Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Broadcom B43 wireless driver |
| 4 | |
| 5 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de> |
Stefano Brivio | 1f21ad2 | 2007-11-06 22:49:20 +0100 | [diff] [blame] | 6 | Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it> |
Michael Büsch | eb032b9 | 2011-07-04 20:50:05 +0200 | [diff] [blame] | 7 | Copyright (c) 2005-2009 Michael Buesch <m@bues.ch> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 8 | Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> |
| 9 | Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> |
Rafał Miłecki | 108f4f3 | 2011-09-03 21:01:02 +0200 | [diff] [blame] | 10 | Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 11 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 12 | SDIO support |
| 13 | Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es> |
| 14 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 15 | Some parts of the code in this file are derived from the ipw2200 |
| 16 | driver Copyright(c) 2003 - 2004 Intel Corporation. |
| 17 | |
| 18 | This program is free software; you can redistribute it and/or modify |
| 19 | it under the terms of the GNU General Public License as published by |
| 20 | the Free Software Foundation; either version 2 of the License, or |
| 21 | (at your option) any later version. |
| 22 | |
| 23 | This program is distributed in the hope that it will be useful, |
| 24 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | GNU General Public License for more details. |
| 27 | |
| 28 | You should have received a copy of the GNU General Public License |
| 29 | along with this program; see the file COPYING. If not, write to |
| 30 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 31 | Boston, MA 02110-1301, USA. |
| 32 | |
| 33 | */ |
| 34 | |
| 35 | #include <linux/delay.h> |
| 36 | #include <linux/init.h> |
Paul Gortmaker | ac5c24e9 | 2011-08-30 14:18:44 -0400 | [diff] [blame] | 37 | #include <linux/module.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 38 | #include <linux/if_arp.h> |
| 39 | #include <linux/etherdevice.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 40 | #include <linux/firmware.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 41 | #include <linux/workqueue.h> |
| 42 | #include <linux/skbuff.h> |
Andrew Morton | 96cf49a | 2008-02-04 22:27:19 -0800 | [diff] [blame] | 43 | #include <linux/io.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 44 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 45 | #include <linux/slab.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 46 | #include <asm/unaligned.h> |
| 47 | |
| 48 | #include "b43.h" |
| 49 | #include "main.h" |
| 50 | #include "debugfs.h" |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 51 | #include "phy_common.h" |
| 52 | #include "phy_g.h" |
Michael Buesch | 3d0da75 | 2008-08-30 02:27:19 +0200 | [diff] [blame] | 53 | #include "phy_n.h" |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 54 | #include "dma.h" |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 55 | #include "pio.h" |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 56 | #include "sysfs.h" |
| 57 | #include "xmit.h" |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 58 | #include "lo.h" |
| 59 | #include "pcmcia.h" |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 60 | #include "sdio.h" |
| 61 | #include <linux/mmc/sdio_func.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 62 | |
| 63 | MODULE_DESCRIPTION("Broadcom B43 wireless driver"); |
| 64 | MODULE_AUTHOR("Martin Langer"); |
| 65 | MODULE_AUTHOR("Stefano Brivio"); |
| 66 | MODULE_AUTHOR("Michael Buesch"); |
Gábor Stefanik | 0136e51 | 2009-08-28 22:32:17 +0200 | [diff] [blame] | 67 | MODULE_AUTHOR("Gábor Stefanik"); |
Rafał Miłecki | 108f4f3 | 2011-09-03 21:01:02 +0200 | [diff] [blame] | 68 | MODULE_AUTHOR("Rafał Miłecki"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 69 | MODULE_LICENSE("GPL"); |
| 70 | |
Tim Gardner | 6021e08 | 2010-01-07 11:10:38 -0700 | [diff] [blame] | 71 | MODULE_FIRMWARE("b43/ucode11.fw"); |
| 72 | MODULE_FIRMWARE("b43/ucode13.fw"); |
| 73 | MODULE_FIRMWARE("b43/ucode14.fw"); |
| 74 | MODULE_FIRMWARE("b43/ucode15.fw"); |
Rafał Miłecki | f615839 | 2011-04-19 22:49:29 +0200 | [diff] [blame] | 75 | MODULE_FIRMWARE("b43/ucode16_mimo.fw"); |
Tim Gardner | 6021e08 | 2010-01-07 11:10:38 -0700 | [diff] [blame] | 76 | MODULE_FIRMWARE("b43/ucode5.fw"); |
| 77 | MODULE_FIRMWARE("b43/ucode9.fw"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 78 | |
| 79 | static int modparam_bad_frames_preempt; |
| 80 | module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); |
| 81 | MODULE_PARM_DESC(bad_frames_preempt, |
| 82 | "enable(1) / disable(0) Bad Frames Preemption"); |
| 83 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 84 | static char modparam_fwpostfix[16]; |
| 85 | module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); |
| 86 | MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load."); |
| 87 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 88 | static int modparam_hwpctl; |
| 89 | module_param_named(hwpctl, modparam_hwpctl, int, 0444); |
| 90 | MODULE_PARM_DESC(hwpctl, "Enable hardware-side power control (default off)"); |
| 91 | |
| 92 | static int modparam_nohwcrypt; |
| 93 | module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); |
| 94 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 95 | |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 96 | static int modparam_hwtkip; |
| 97 | module_param_named(hwtkip, modparam_hwtkip, int, 0444); |
| 98 | MODULE_PARM_DESC(hwtkip, "Enable hardware tkip."); |
| 99 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 100 | static int modparam_qos = 1; |
| 101 | module_param_named(qos, modparam_qos, int, 0444); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 102 | MODULE_PARM_DESC(qos, "Enable QOS support (default on)"); |
| 103 | |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 104 | static int modparam_btcoex = 1; |
| 105 | module_param_named(btcoex, modparam_btcoex, int, 0444); |
Gábor Stefanik | c71dbd3 | 2009-08-28 22:34:21 +0200 | [diff] [blame] | 106 | MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)"); |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 107 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 108 | int b43_modparam_verbose = B43_VERBOSITY_DEFAULT; |
| 109 | module_param_named(verbose, b43_modparam_verbose, int, 0644); |
| 110 | MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug"); |
| 111 | |
Rafał Miłecki | df76626 | 2011-08-16 12:14:07 +0200 | [diff] [blame] | 112 | static int b43_modparam_pio = 0; |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 113 | module_param_named(pio, b43_modparam_pio, int, 0644); |
| 114 | MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO"); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 115 | |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 116 | #ifdef CONFIG_B43_BCMA |
| 117 | static const struct bcma_device_id b43_bcma_tbl[] = { |
Hauke Mehrtens | c027ed4 | 2011-07-23 13:57:34 +0200 | [diff] [blame] | 118 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x11, BCMA_ANY_CLASS), |
John W. Linville | 4f3d09d | 2012-01-11 15:50:15 -0500 | [diff] [blame] | 119 | #ifdef CONFIG_B43_BCMA_EXTRA |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 120 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x17, BCMA_ANY_CLASS), |
| 121 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x18, BCMA_ANY_CLASS), |
John W. Linville | 4f3d09d | 2012-01-11 15:50:15 -0500 | [diff] [blame] | 122 | #endif |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 123 | BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1D, BCMA_ANY_CLASS), |
| 124 | BCMA_CORETABLE_END |
| 125 | }; |
| 126 | MODULE_DEVICE_TABLE(bcma, b43_bcma_tbl); |
| 127 | #endif |
| 128 | |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 129 | #ifdef CONFIG_B43_SSB |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 130 | static const struct ssb_device_id b43_ssb_tbl[] = { |
| 131 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), |
| 132 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6), |
| 133 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7), |
| 134 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9), |
| 135 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10), |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 136 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11), |
Rafał Miłecki | 003d6d2 | 2010-01-15 12:10:53 +0100 | [diff] [blame] | 137 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12), |
Larry Finger | 013978b | 2007-11-26 10:29:47 -0600 | [diff] [blame] | 138 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13), |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 139 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15), |
Johannes Berg | 92d6128 | 2008-12-24 12:44:09 +0100 | [diff] [blame] | 140 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 141 | SSB_DEVTABLE_END |
| 142 | }; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 143 | MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl); |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 144 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 145 | |
| 146 | /* Channel and ratetables are shared for all devices. |
| 147 | * They can't be const, because ieee80211 puts some precalculated |
| 148 | * data in there. This data is the same for all devices, so we don't |
| 149 | * get concurrency issues */ |
| 150 | #define RATETAB_ENT(_rateid, _flags) \ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 151 | { \ |
| 152 | .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \ |
| 153 | .hw_value = (_rateid), \ |
| 154 | .flags = (_flags), \ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 155 | } |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 156 | |
| 157 | /* |
| 158 | * NOTE: When changing this, sync with xmit.c's |
| 159 | * b43_plcp_get_bitrate_idx_* functions! |
| 160 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 161 | static struct ieee80211_rate __b43_ratetable[] = { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 162 | RATETAB_ENT(B43_CCK_RATE_1MB, 0), |
| 163 | RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE), |
| 164 | RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE), |
| 165 | RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE), |
| 166 | RATETAB_ENT(B43_OFDM_RATE_6MB, 0), |
| 167 | RATETAB_ENT(B43_OFDM_RATE_9MB, 0), |
| 168 | RATETAB_ENT(B43_OFDM_RATE_12MB, 0), |
| 169 | RATETAB_ENT(B43_OFDM_RATE_18MB, 0), |
| 170 | RATETAB_ENT(B43_OFDM_RATE_24MB, 0), |
| 171 | RATETAB_ENT(B43_OFDM_RATE_36MB, 0), |
| 172 | RATETAB_ENT(B43_OFDM_RATE_48MB, 0), |
| 173 | RATETAB_ENT(B43_OFDM_RATE_54MB, 0), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 174 | }; |
| 175 | |
| 176 | #define b43_a_ratetable (__b43_ratetable + 4) |
| 177 | #define b43_a_ratetable_size 8 |
| 178 | #define b43_b_ratetable (__b43_ratetable + 0) |
| 179 | #define b43_b_ratetable_size 4 |
| 180 | #define b43_g_ratetable (__b43_ratetable + 0) |
| 181 | #define b43_g_ratetable_size 12 |
| 182 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 183 | #define CHAN4G(_channel, _freq, _flags) { \ |
| 184 | .band = IEEE80211_BAND_2GHZ, \ |
| 185 | .center_freq = (_freq), \ |
| 186 | .hw_value = (_channel), \ |
| 187 | .flags = (_flags), \ |
| 188 | .max_antenna_gain = 0, \ |
| 189 | .max_power = 30, \ |
| 190 | } |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 191 | static struct ieee80211_channel b43_2ghz_chantable[] = { |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 192 | CHAN4G(1, 2412, 0), |
| 193 | CHAN4G(2, 2417, 0), |
| 194 | CHAN4G(3, 2422, 0), |
| 195 | CHAN4G(4, 2427, 0), |
| 196 | CHAN4G(5, 2432, 0), |
| 197 | CHAN4G(6, 2437, 0), |
| 198 | CHAN4G(7, 2442, 0), |
| 199 | CHAN4G(8, 2447, 0), |
| 200 | CHAN4G(9, 2452, 0), |
| 201 | CHAN4G(10, 2457, 0), |
| 202 | CHAN4G(11, 2462, 0), |
| 203 | CHAN4G(12, 2467, 0), |
| 204 | CHAN4G(13, 2472, 0), |
| 205 | CHAN4G(14, 2484, 0), |
| 206 | }; |
| 207 | #undef CHAN4G |
| 208 | |
| 209 | #define CHAN5G(_channel, _flags) { \ |
| 210 | .band = IEEE80211_BAND_5GHZ, \ |
| 211 | .center_freq = 5000 + (5 * (_channel)), \ |
| 212 | .hw_value = (_channel), \ |
| 213 | .flags = (_flags), \ |
| 214 | .max_antenna_gain = 0, \ |
| 215 | .max_power = 30, \ |
| 216 | } |
| 217 | static struct ieee80211_channel b43_5ghz_nphy_chantable[] = { |
| 218 | CHAN5G(32, 0), CHAN5G(34, 0), |
| 219 | CHAN5G(36, 0), CHAN5G(38, 0), |
| 220 | CHAN5G(40, 0), CHAN5G(42, 0), |
| 221 | CHAN5G(44, 0), CHAN5G(46, 0), |
| 222 | CHAN5G(48, 0), CHAN5G(50, 0), |
| 223 | CHAN5G(52, 0), CHAN5G(54, 0), |
| 224 | CHAN5G(56, 0), CHAN5G(58, 0), |
| 225 | CHAN5G(60, 0), CHAN5G(62, 0), |
| 226 | CHAN5G(64, 0), CHAN5G(66, 0), |
| 227 | CHAN5G(68, 0), CHAN5G(70, 0), |
| 228 | CHAN5G(72, 0), CHAN5G(74, 0), |
| 229 | CHAN5G(76, 0), CHAN5G(78, 0), |
| 230 | CHAN5G(80, 0), CHAN5G(82, 0), |
| 231 | CHAN5G(84, 0), CHAN5G(86, 0), |
| 232 | CHAN5G(88, 0), CHAN5G(90, 0), |
| 233 | CHAN5G(92, 0), CHAN5G(94, 0), |
| 234 | CHAN5G(96, 0), CHAN5G(98, 0), |
| 235 | CHAN5G(100, 0), CHAN5G(102, 0), |
| 236 | CHAN5G(104, 0), CHAN5G(106, 0), |
| 237 | CHAN5G(108, 0), CHAN5G(110, 0), |
| 238 | CHAN5G(112, 0), CHAN5G(114, 0), |
| 239 | CHAN5G(116, 0), CHAN5G(118, 0), |
| 240 | CHAN5G(120, 0), CHAN5G(122, 0), |
| 241 | CHAN5G(124, 0), CHAN5G(126, 0), |
| 242 | CHAN5G(128, 0), CHAN5G(130, 0), |
| 243 | CHAN5G(132, 0), CHAN5G(134, 0), |
| 244 | CHAN5G(136, 0), CHAN5G(138, 0), |
| 245 | CHAN5G(140, 0), CHAN5G(142, 0), |
| 246 | CHAN5G(144, 0), CHAN5G(145, 0), |
| 247 | CHAN5G(146, 0), CHAN5G(147, 0), |
| 248 | CHAN5G(148, 0), CHAN5G(149, 0), |
| 249 | CHAN5G(150, 0), CHAN5G(151, 0), |
| 250 | CHAN5G(152, 0), CHAN5G(153, 0), |
| 251 | CHAN5G(154, 0), CHAN5G(155, 0), |
| 252 | CHAN5G(156, 0), CHAN5G(157, 0), |
| 253 | CHAN5G(158, 0), CHAN5G(159, 0), |
| 254 | CHAN5G(160, 0), CHAN5G(161, 0), |
| 255 | CHAN5G(162, 0), CHAN5G(163, 0), |
| 256 | CHAN5G(164, 0), CHAN5G(165, 0), |
| 257 | CHAN5G(166, 0), CHAN5G(168, 0), |
| 258 | CHAN5G(170, 0), CHAN5G(172, 0), |
| 259 | CHAN5G(174, 0), CHAN5G(176, 0), |
| 260 | CHAN5G(178, 0), CHAN5G(180, 0), |
| 261 | CHAN5G(182, 0), CHAN5G(184, 0), |
| 262 | CHAN5G(186, 0), CHAN5G(188, 0), |
| 263 | CHAN5G(190, 0), CHAN5G(192, 0), |
| 264 | CHAN5G(194, 0), CHAN5G(196, 0), |
| 265 | CHAN5G(198, 0), CHAN5G(200, 0), |
| 266 | CHAN5G(202, 0), CHAN5G(204, 0), |
| 267 | CHAN5G(206, 0), CHAN5G(208, 0), |
| 268 | CHAN5G(210, 0), CHAN5G(212, 0), |
| 269 | CHAN5G(214, 0), CHAN5G(216, 0), |
| 270 | CHAN5G(218, 0), CHAN5G(220, 0), |
| 271 | CHAN5G(222, 0), CHAN5G(224, 0), |
| 272 | CHAN5G(226, 0), CHAN5G(228, 0), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 273 | }; |
| 274 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 275 | static struct ieee80211_channel b43_5ghz_aphy_chantable[] = { |
| 276 | CHAN5G(34, 0), CHAN5G(36, 0), |
| 277 | CHAN5G(38, 0), CHAN5G(40, 0), |
| 278 | CHAN5G(42, 0), CHAN5G(44, 0), |
| 279 | CHAN5G(46, 0), CHAN5G(48, 0), |
| 280 | CHAN5G(52, 0), CHAN5G(56, 0), |
| 281 | CHAN5G(60, 0), CHAN5G(64, 0), |
| 282 | CHAN5G(100, 0), CHAN5G(104, 0), |
| 283 | CHAN5G(108, 0), CHAN5G(112, 0), |
| 284 | CHAN5G(116, 0), CHAN5G(120, 0), |
| 285 | CHAN5G(124, 0), CHAN5G(128, 0), |
| 286 | CHAN5G(132, 0), CHAN5G(136, 0), |
| 287 | CHAN5G(140, 0), CHAN5G(149, 0), |
| 288 | CHAN5G(153, 0), CHAN5G(157, 0), |
| 289 | CHAN5G(161, 0), CHAN5G(165, 0), |
| 290 | CHAN5G(184, 0), CHAN5G(188, 0), |
| 291 | CHAN5G(192, 0), CHAN5G(196, 0), |
| 292 | CHAN5G(200, 0), CHAN5G(204, 0), |
| 293 | CHAN5G(208, 0), CHAN5G(212, 0), |
| 294 | CHAN5G(216, 0), |
| 295 | }; |
| 296 | #undef CHAN5G |
| 297 | |
| 298 | static struct ieee80211_supported_band b43_band_5GHz_nphy = { |
| 299 | .band = IEEE80211_BAND_5GHZ, |
| 300 | .channels = b43_5ghz_nphy_chantable, |
| 301 | .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable), |
| 302 | .bitrates = b43_a_ratetable, |
| 303 | .n_bitrates = b43_a_ratetable_size, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 304 | }; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 305 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 306 | static struct ieee80211_supported_band b43_band_5GHz_aphy = { |
| 307 | .band = IEEE80211_BAND_5GHZ, |
| 308 | .channels = b43_5ghz_aphy_chantable, |
| 309 | .n_channels = ARRAY_SIZE(b43_5ghz_aphy_chantable), |
| 310 | .bitrates = b43_a_ratetable, |
| 311 | .n_bitrates = b43_a_ratetable_size, |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 312 | }; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 313 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 314 | static struct ieee80211_supported_band b43_band_2GHz = { |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 315 | .band = IEEE80211_BAND_2GHZ, |
| 316 | .channels = b43_2ghz_chantable, |
| 317 | .n_channels = ARRAY_SIZE(b43_2ghz_chantable), |
| 318 | .bitrates = b43_g_ratetable, |
| 319 | .n_bitrates = b43_g_ratetable_size, |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 320 | }; |
| 321 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 322 | static void b43_wireless_core_exit(struct b43_wldev *dev); |
| 323 | static int b43_wireless_core_init(struct b43_wldev *dev); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 324 | static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 325 | static int b43_wireless_core_start(struct b43_wldev *dev); |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 326 | static void b43_op_bss_info_changed(struct ieee80211_hw *hw, |
| 327 | struct ieee80211_vif *vif, |
| 328 | struct ieee80211_bss_conf *conf, |
| 329 | u32 changed); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 330 | |
| 331 | static int b43_ratelimit(struct b43_wl *wl) |
| 332 | { |
| 333 | if (!wl || !wl->current_dev) |
| 334 | return 1; |
| 335 | if (b43_status(wl->current_dev) < B43_STAT_STARTED) |
| 336 | return 1; |
| 337 | /* We are up and running. |
| 338 | * Ratelimit the messages to avoid DoS over the net. */ |
| 339 | return net_ratelimit(); |
| 340 | } |
| 341 | |
| 342 | void b43info(struct b43_wl *wl, const char *fmt, ...) |
| 343 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 344 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 345 | va_list args; |
| 346 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 347 | if (b43_modparam_verbose < B43_VERBOSITY_INFO) |
| 348 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 349 | if (!b43_ratelimit(wl)) |
| 350 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 351 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 352 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 353 | |
| 354 | vaf.fmt = fmt; |
| 355 | vaf.va = &args; |
| 356 | |
| 357 | printk(KERN_INFO "b43-%s: %pV", |
| 358 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 359 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 360 | va_end(args); |
| 361 | } |
| 362 | |
| 363 | void b43err(struct b43_wl *wl, const char *fmt, ...) |
| 364 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 365 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 366 | va_list args; |
| 367 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 368 | if (b43_modparam_verbose < B43_VERBOSITY_ERROR) |
| 369 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 370 | if (!b43_ratelimit(wl)) |
| 371 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 372 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 373 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 374 | |
| 375 | vaf.fmt = fmt; |
| 376 | vaf.va = &args; |
| 377 | |
| 378 | printk(KERN_ERR "b43-%s ERROR: %pV", |
| 379 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 380 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 381 | va_end(args); |
| 382 | } |
| 383 | |
| 384 | void b43warn(struct b43_wl *wl, const char *fmt, ...) |
| 385 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 386 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 387 | va_list args; |
| 388 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 389 | if (b43_modparam_verbose < B43_VERBOSITY_WARN) |
| 390 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 391 | if (!b43_ratelimit(wl)) |
| 392 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 393 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 394 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 395 | |
| 396 | vaf.fmt = fmt; |
| 397 | vaf.va = &args; |
| 398 | |
| 399 | printk(KERN_WARNING "b43-%s warning: %pV", |
| 400 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 401 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 402 | va_end(args); |
| 403 | } |
| 404 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 405 | void b43dbg(struct b43_wl *wl, const char *fmt, ...) |
| 406 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 407 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 408 | va_list args; |
| 409 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 410 | if (b43_modparam_verbose < B43_VERBOSITY_DEBUG) |
| 411 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 412 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 413 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame] | 414 | |
| 415 | vaf.fmt = fmt; |
| 416 | vaf.va = &args; |
| 417 | |
| 418 | printk(KERN_DEBUG "b43-%s debug: %pV", |
| 419 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 420 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 421 | va_end(args); |
| 422 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 423 | |
| 424 | static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val) |
| 425 | { |
| 426 | u32 macctl; |
| 427 | |
| 428 | B43_WARN_ON(offset % 4 != 0); |
| 429 | |
| 430 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 431 | if (macctl & B43_MACCTL_BE) |
| 432 | val = swab32(val); |
| 433 | |
| 434 | b43_write32(dev, B43_MMIO_RAM_CONTROL, offset); |
| 435 | mmiowb(); |
| 436 | b43_write32(dev, B43_MMIO_RAM_DATA, val); |
| 437 | } |
| 438 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 439 | static inline void b43_shm_control_word(struct b43_wldev *dev, |
| 440 | u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 441 | { |
| 442 | u32 control; |
| 443 | |
| 444 | /* "offset" is the WORD offset. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 445 | control = routing; |
| 446 | control <<= 16; |
| 447 | control |= offset; |
| 448 | b43_write32(dev, B43_MMIO_SHM_CONTROL, control); |
| 449 | } |
| 450 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 451 | u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 452 | { |
| 453 | u32 ret; |
| 454 | |
| 455 | if (routing == B43_SHM_SHARED) { |
| 456 | B43_WARN_ON(offset & 0x0001); |
| 457 | if (offset & 0x0003) { |
| 458 | /* Unaligned access */ |
| 459 | b43_shm_control_word(dev, routing, offset >> 2); |
| 460 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 461 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 462 | ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 463 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 464 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 465 | } |
| 466 | offset >>= 2; |
| 467 | } |
| 468 | b43_shm_control_word(dev, routing, offset); |
| 469 | ret = b43_read32(dev, B43_MMIO_SHM_DATA); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 470 | out: |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 471 | return ret; |
| 472 | } |
| 473 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 474 | u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 475 | { |
| 476 | u16 ret; |
| 477 | |
| 478 | if (routing == B43_SHM_SHARED) { |
| 479 | B43_WARN_ON(offset & 0x0001); |
| 480 | if (offset & 0x0003) { |
| 481 | /* Unaligned access */ |
| 482 | b43_shm_control_word(dev, routing, offset >> 2); |
| 483 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); |
| 484 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 485 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 486 | } |
| 487 | offset >>= 2; |
| 488 | } |
| 489 | b43_shm_control_word(dev, routing, offset); |
| 490 | ret = b43_read16(dev, B43_MMIO_SHM_DATA); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 491 | out: |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 492 | return ret; |
| 493 | } |
| 494 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 495 | void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 496 | { |
| 497 | if (routing == B43_SHM_SHARED) { |
| 498 | B43_WARN_ON(offset & 0x0001); |
| 499 | if (offset & 0x0003) { |
| 500 | /* Unaligned access */ |
| 501 | b43_shm_control_word(dev, routing, offset >> 2); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 502 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 503 | value & 0xFFFF); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 504 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 505 | b43_write16(dev, B43_MMIO_SHM_DATA, |
| 506 | (value >> 16) & 0xFFFF); |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 507 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 508 | } |
| 509 | offset >>= 2; |
| 510 | } |
| 511 | b43_shm_control_word(dev, routing, offset); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 512 | b43_write32(dev, B43_MMIO_SHM_DATA, value); |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 513 | } |
| 514 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 515 | void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value) |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 516 | { |
| 517 | if (routing == B43_SHM_SHARED) { |
| 518 | B43_WARN_ON(offset & 0x0001); |
| 519 | if (offset & 0x0003) { |
| 520 | /* Unaligned access */ |
| 521 | b43_shm_control_word(dev, routing, offset >> 2); |
| 522 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value); |
| 523 | return; |
| 524 | } |
| 525 | offset >>= 2; |
| 526 | } |
| 527 | b43_shm_control_word(dev, routing, offset); |
| 528 | b43_write16(dev, B43_MMIO_SHM_DATA, value); |
| 529 | } |
| 530 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 531 | /* Read HostFlags */ |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 532 | u64 b43_hf_read(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 533 | { |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 534 | u64 ret; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 535 | |
| 536 | ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI); |
| 537 | ret <<= 16; |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 538 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI); |
| 539 | ret <<= 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 540 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO); |
| 541 | |
| 542 | return ret; |
| 543 | } |
| 544 | |
| 545 | /* Write HostFlags */ |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 546 | void b43_hf_write(struct b43_wldev *dev, u64 value) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 547 | { |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 548 | u16 lo, mi, hi; |
| 549 | |
| 550 | lo = (value & 0x00000000FFFFULL); |
| 551 | mi = (value & 0x0000FFFF0000ULL) >> 16; |
| 552 | hi = (value & 0xFFFF00000000ULL) >> 32; |
| 553 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO, lo); |
| 554 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI, mi); |
| 555 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 556 | } |
| 557 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 558 | /* Read the firmware capabilities bitmask (Opensource firmware only) */ |
| 559 | static u16 b43_fwcapa_read(struct b43_wldev *dev) |
| 560 | { |
| 561 | B43_WARN_ON(!dev->fw.opensource); |
| 562 | return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA); |
| 563 | } |
| 564 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 565 | void b43_tsf_read(struct b43_wldev *dev, u64 *tsf) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 566 | { |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 567 | u32 low, high; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 568 | |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 569 | B43_WARN_ON(dev->dev->core_rev < 3); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 570 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 571 | /* The hardware guarantees us an atomic read, if we |
| 572 | * read the low register first. */ |
| 573 | low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW); |
| 574 | high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 575 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 576 | *tsf = high; |
| 577 | *tsf <<= 32; |
| 578 | *tsf |= low; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 579 | } |
| 580 | |
| 581 | static void b43_time_lock(struct b43_wldev *dev) |
| 582 | { |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 583 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_TBTTHOLD); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 584 | /* Commit the write */ |
| 585 | b43_read32(dev, B43_MMIO_MACCTL); |
| 586 | } |
| 587 | |
| 588 | static void b43_time_unlock(struct b43_wldev *dev) |
| 589 | { |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 590 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_TBTTHOLD, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 591 | /* Commit the write */ |
| 592 | b43_read32(dev, B43_MMIO_MACCTL); |
| 593 | } |
| 594 | |
| 595 | static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf) |
| 596 | { |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 597 | u32 low, high; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 598 | |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 599 | B43_WARN_ON(dev->dev->core_rev < 3); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 600 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 601 | low = tsf; |
| 602 | high = (tsf >> 32); |
| 603 | /* The hardware guarantees us an atomic write, if we |
| 604 | * write the low register first. */ |
| 605 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low); |
| 606 | mmiowb(); |
| 607 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high); |
| 608 | mmiowb(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 609 | } |
| 610 | |
| 611 | void b43_tsf_write(struct b43_wldev *dev, u64 tsf) |
| 612 | { |
| 613 | b43_time_lock(dev); |
| 614 | b43_tsf_write_locked(dev, tsf); |
| 615 | b43_time_unlock(dev); |
| 616 | } |
| 617 | |
| 618 | static |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 619 | void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 *mac) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 620 | { |
| 621 | static const u8 zero_addr[ETH_ALEN] = { 0 }; |
| 622 | u16 data; |
| 623 | |
| 624 | if (!mac) |
| 625 | mac = zero_addr; |
| 626 | |
| 627 | offset |= 0x0020; |
| 628 | b43_write16(dev, B43_MMIO_MACFILTER_CONTROL, offset); |
| 629 | |
| 630 | data = mac[0]; |
| 631 | data |= mac[1] << 8; |
| 632 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 633 | data = mac[2]; |
| 634 | data |= mac[3] << 8; |
| 635 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 636 | data = mac[4]; |
| 637 | data |= mac[5] << 8; |
| 638 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 639 | } |
| 640 | |
| 641 | static void b43_write_mac_bssid_templates(struct b43_wldev *dev) |
| 642 | { |
| 643 | const u8 *mac; |
| 644 | const u8 *bssid; |
| 645 | u8 mac_bssid[ETH_ALEN * 2]; |
| 646 | int i; |
| 647 | u32 tmp; |
| 648 | |
| 649 | bssid = dev->wl->bssid; |
| 650 | mac = dev->wl->mac_addr; |
| 651 | |
| 652 | b43_macfilter_set(dev, B43_MACFILTER_BSSID, bssid); |
| 653 | |
| 654 | memcpy(mac_bssid, mac, ETH_ALEN); |
| 655 | memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); |
| 656 | |
| 657 | /* Write our MAC address and BSSID to template ram */ |
| 658 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) { |
| 659 | tmp = (u32) (mac_bssid[i + 0]); |
| 660 | tmp |= (u32) (mac_bssid[i + 1]) << 8; |
| 661 | tmp |= (u32) (mac_bssid[i + 2]) << 16; |
| 662 | tmp |= (u32) (mac_bssid[i + 3]) << 24; |
| 663 | b43_ram_write(dev, 0x20 + i, tmp); |
| 664 | } |
| 665 | } |
| 666 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 667 | static void b43_upload_card_macaddress(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 668 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 669 | b43_write_mac_bssid_templates(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 670 | b43_macfilter_set(dev, B43_MACFILTER_SELF, dev->wl->mac_addr); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time) |
| 674 | { |
| 675 | /* slot_time is in usec. */ |
Larry Finger | b6c3f5b | 2010-02-02 10:08:19 -0600 | [diff] [blame] | 676 | /* This test used to exit for all but a G PHY. */ |
| 677 | if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 678 | return; |
Larry Finger | b6c3f5b | 2010-02-02 10:08:19 -0600 | [diff] [blame] | 679 | b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time); |
| 680 | /* Shared memory location 0x0010 is the slot time and should be |
| 681 | * set to slot_time; however, this register is initially 0 and changing |
| 682 | * the value adversely affects the transmit rate for BCM4311 |
| 683 | * devices. Until this behavior is unterstood, delete this step |
| 684 | * |
| 685 | * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time); |
| 686 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | static void b43_short_slot_timing_enable(struct b43_wldev *dev) |
| 690 | { |
| 691 | b43_set_slot_time(dev, 9); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | static void b43_short_slot_timing_disable(struct b43_wldev *dev) |
| 695 | { |
| 696 | b43_set_slot_time(dev, 20); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 697 | } |
| 698 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 699 | /* DummyTransmission function, as documented on |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 700 | * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 701 | */ |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 702 | void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 703 | { |
| 704 | struct b43_phy *phy = &dev->phy; |
| 705 | unsigned int i, max_loop; |
| 706 | u16 value; |
| 707 | u32 buffer[5] = { |
| 708 | 0x00000000, |
| 709 | 0x00D40000, |
| 710 | 0x00000000, |
| 711 | 0x01000000, |
| 712 | 0x00000000, |
| 713 | }; |
| 714 | |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 715 | if (ofdm) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 716 | max_loop = 0x1E; |
| 717 | buffer[0] = 0x000201CC; |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 718 | } else { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 719 | max_loop = 0xFA; |
| 720 | buffer[0] = 0x000B846E; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 721 | } |
| 722 | |
| 723 | for (i = 0; i < 5; i++) |
| 724 | b43_ram_write(dev, i * 4, buffer[i]); |
| 725 | |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 726 | b43_write16(dev, B43_MMIO_XMTSEL, 0x0000); |
| 727 | |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 728 | if (dev->dev->core_rev < 11) |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 729 | b43_write16(dev, B43_MMIO_WEPCTL, 0x0000); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 730 | else |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 731 | b43_write16(dev, B43_MMIO_WEPCTL, 0x0100); |
| 732 | |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 733 | value = (ofdm ? 0x41 : 0x40); |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 734 | b43_write16(dev, B43_MMIO_TXE0_PHYCTL, value); |
Rafał Miłecki | 93dbd82 | 2011-09-21 21:44:14 +0200 | [diff] [blame] | 735 | if (phy->type == B43_PHYTYPE_N || phy->type == B43_PHYTYPE_LP || |
| 736 | phy->type == B43_PHYTYPE_LCN) |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 737 | b43_write16(dev, B43_MMIO_TXE0_PHYCTL1, 0x1A02); |
| 738 | |
| 739 | b43_write16(dev, B43_MMIO_TXE0_WM_0, 0x0000); |
| 740 | b43_write16(dev, B43_MMIO_TXE0_WM_1, 0x0000); |
| 741 | |
| 742 | b43_write16(dev, B43_MMIO_XMTTPLATETXPTR, 0x0000); |
| 743 | b43_write16(dev, B43_MMIO_XMTTXCNT, 0x0014); |
| 744 | b43_write16(dev, B43_MMIO_XMTSEL, 0x0826); |
| 745 | b43_write16(dev, B43_MMIO_TXE0_CTL, 0x0000); |
Rafał Miłecki | 93dbd82 | 2011-09-21 21:44:14 +0200 | [diff] [blame] | 746 | |
| 747 | if (!pa_on && phy->type == B43_PHYTYPE_N) |
| 748 | ; /*b43_nphy_pa_override(dev, false) */ |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 749 | |
| 750 | switch (phy->type) { |
| 751 | case B43_PHYTYPE_N: |
Rafał Miłecki | 93dbd82 | 2011-09-21 21:44:14 +0200 | [diff] [blame] | 752 | case B43_PHYTYPE_LCN: |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 753 | b43_write16(dev, B43_MMIO_TXE0_AUX, 0x00D0); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 754 | break; |
| 755 | case B43_PHYTYPE_LP: |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 756 | b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0050); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 757 | break; |
| 758 | default: |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 759 | b43_write16(dev, B43_MMIO_TXE0_AUX, 0x0030); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 760 | } |
Rafał Miłecki | 93dbd82 | 2011-09-21 21:44:14 +0200 | [diff] [blame] | 761 | b43_read16(dev, B43_MMIO_TXE0_AUX); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 762 | |
| 763 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) |
| 764 | b43_radio_write16(dev, 0x0051, 0x0017); |
| 765 | for (i = 0x00; i < max_loop; i++) { |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 766 | value = b43_read16(dev, B43_MMIO_TXE0_STATUS); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 767 | if (value & 0x0080) |
| 768 | break; |
| 769 | udelay(10); |
| 770 | } |
| 771 | for (i = 0x00; i < 0x0A; i++) { |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 772 | value = b43_read16(dev, B43_MMIO_TXE0_STATUS); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 773 | if (value & 0x0400) |
| 774 | break; |
| 775 | udelay(10); |
| 776 | } |
Larry Finger | 1d280dd | 2008-09-29 14:19:29 -0500 | [diff] [blame] | 777 | for (i = 0x00; i < 0x19; i++) { |
Rafał Miłecki | 7955d87 | 2011-09-21 21:44:13 +0200 | [diff] [blame] | 778 | value = b43_read16(dev, B43_MMIO_IFSSTAT); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 779 | if (!(value & 0x0100)) |
| 780 | break; |
| 781 | udelay(10); |
| 782 | } |
| 783 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) |
| 784 | b43_radio_write16(dev, 0x0051, 0x0037); |
| 785 | } |
| 786 | |
| 787 | static void key_write(struct b43_wldev *dev, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 788 | u8 index, u8 algorithm, const u8 *key) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 789 | { |
| 790 | unsigned int i; |
| 791 | u32 offset; |
| 792 | u16 value; |
| 793 | u16 kidx; |
| 794 | |
| 795 | /* Key index/algo block */ |
| 796 | kidx = b43_kidx_to_fw(dev, index); |
| 797 | value = ((kidx << 4) | algorithm); |
| 798 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 799 | B43_SHM_SH_KEYIDXBLOCK + (kidx * 2), value); |
| 800 | |
| 801 | /* Write the key to the Key Table Pointer offset */ |
| 802 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); |
| 803 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { |
| 804 | value = key[i]; |
| 805 | value |= (u16) (key[i + 1]) << 8; |
| 806 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, value); |
| 807 | } |
| 808 | } |
| 809 | |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 810 | static void keymac_write(struct b43_wldev *dev, u8 index, const u8 *addr) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 811 | { |
| 812 | u32 addrtmp[2] = { 0, 0, }; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 813 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 814 | |
| 815 | if (b43_new_kidx_api(dev)) |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 816 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 817 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 818 | B43_WARN_ON(index < pairwise_keys_start); |
| 819 | /* We have four default TX keys and possibly four default RX keys. |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 820 | * Physical mac 0 is mapped to physical key 4 or 8, depending |
| 821 | * on the firmware version. |
| 822 | * So we must adjust the index here. |
| 823 | */ |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 824 | index -= pairwise_keys_start; |
| 825 | B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 826 | |
| 827 | if (addr) { |
| 828 | addrtmp[0] = addr[0]; |
| 829 | addrtmp[0] |= ((u32) (addr[1]) << 8); |
| 830 | addrtmp[0] |= ((u32) (addr[2]) << 16); |
| 831 | addrtmp[0] |= ((u32) (addr[3]) << 24); |
| 832 | addrtmp[1] = addr[4]; |
| 833 | addrtmp[1] |= ((u32) (addr[5]) << 8); |
| 834 | } |
| 835 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 836 | /* Receive match transmitter address (RCMTA) mechanism */ |
| 837 | b43_shm_write32(dev, B43_SHM_RCMTA, |
| 838 | (index * 2) + 0, addrtmp[0]); |
| 839 | b43_shm_write16(dev, B43_SHM_RCMTA, |
| 840 | (index * 2) + 1, addrtmp[1]); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 841 | } |
| 842 | |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 843 | /* The ucode will use phase1 key with TEK key to decrypt rx packets. |
| 844 | * When a packet is received, the iv32 is checked. |
| 845 | * - if it doesn't the packet is returned without modification (and software |
| 846 | * decryption can be done). That's what happen when iv16 wrap. |
| 847 | * - if it does, the rc4 key is computed, and decryption is tried. |
| 848 | * Either it will success and B43_RX_MAC_DEC is returned, |
| 849 | * either it fails and B43_RX_MAC_DEC|B43_RX_MAC_DECERR is returned |
| 850 | * and the packet is not usable (it got modified by the ucode). |
| 851 | * So in order to never have B43_RX_MAC_DECERR, we should provide |
| 852 | * a iv32 and phase1key that match. Because we drop packets in case of |
| 853 | * B43_RX_MAC_DECERR, if we have a correct iv32 but a wrong phase1key, all |
| 854 | * packets will be lost without higher layer knowing (ie no resync possible |
| 855 | * until next wrap). |
| 856 | * |
| 857 | * NOTE : this should support 50 key like RCMTA because |
| 858 | * (B43_SHM_SH_KEYIDXBLOCK - B43_SHM_SH_TKIPTSCTTAK)/14 = 50 |
| 859 | */ |
| 860 | static void rx_tkip_phase1_write(struct b43_wldev *dev, u8 index, u32 iv32, |
| 861 | u16 *phase1key) |
| 862 | { |
| 863 | unsigned int i; |
| 864 | u32 offset; |
| 865 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
| 866 | |
| 867 | if (!modparam_hwtkip) |
| 868 | return; |
| 869 | |
| 870 | if (b43_new_kidx_api(dev)) |
| 871 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
| 872 | |
| 873 | B43_WARN_ON(index < pairwise_keys_start); |
| 874 | /* We have four default TX keys and possibly four default RX keys. |
| 875 | * Physical mac 0 is mapped to physical key 4 or 8, depending |
| 876 | * on the firmware version. |
| 877 | * So we must adjust the index here. |
| 878 | */ |
| 879 | index -= pairwise_keys_start; |
| 880 | B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS); |
| 881 | |
| 882 | if (b43_debug(dev, B43_DBG_KEYS)) { |
| 883 | b43dbg(dev->wl, "rx_tkip_phase1_write : idx 0x%x, iv32 0x%x\n", |
| 884 | index, iv32); |
| 885 | } |
| 886 | /* Write the key to the RX tkip shared mem */ |
| 887 | offset = B43_SHM_SH_TKIPTSCTTAK + index * (10 + 4); |
| 888 | for (i = 0; i < 10; i += 2) { |
| 889 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, |
| 890 | phase1key ? phase1key[i / 2] : 0); |
| 891 | } |
| 892 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, iv32); |
| 893 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i + 2, iv32 >> 16); |
| 894 | } |
| 895 | |
| 896 | static void b43_op_update_tkip_key(struct ieee80211_hw *hw, |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 897 | struct ieee80211_vif *vif, |
| 898 | struct ieee80211_key_conf *keyconf, |
| 899 | struct ieee80211_sta *sta, |
| 900 | u32 iv32, u16 *phase1key) |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 901 | { |
| 902 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 903 | struct b43_wldev *dev; |
| 904 | int index = keyconf->hw_key_idx; |
| 905 | |
| 906 | if (B43_WARN_ON(!modparam_hwtkip)) |
| 907 | return; |
| 908 | |
Michael Buesch | 96869a3 | 2010-01-24 13:13:32 +0100 | [diff] [blame] | 909 | /* This is only called from the RX path through mac80211, where |
| 910 | * our mutex is already locked. */ |
| 911 | B43_WARN_ON(!mutex_is_locked(&wl->mutex)); |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 912 | dev = wl->current_dev; |
Michael Buesch | 96869a3 | 2010-01-24 13:13:32 +0100 | [diff] [blame] | 913 | B43_WARN_ON(!dev || b43_status(dev) < B43_STAT_INITIALIZED); |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 914 | |
| 915 | keymac_write(dev, index, NULL); /* First zero out mac to avoid race */ |
| 916 | |
| 917 | rx_tkip_phase1_write(dev, index, iv32, phase1key); |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 918 | /* only pairwise TKIP keys are supported right now */ |
| 919 | if (WARN_ON(!sta)) |
Michael Buesch | 96869a3 | 2010-01-24 13:13:32 +0100 | [diff] [blame] | 920 | return; |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 921 | keymac_write(dev, index, sta->addr); |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 922 | } |
| 923 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 924 | static void do_key_write(struct b43_wldev *dev, |
| 925 | u8 index, u8 algorithm, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 926 | const u8 *key, size_t key_len, const u8 *mac_addr) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 927 | { |
| 928 | u8 buf[B43_SEC_KEYSIZE] = { 0, }; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 929 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 930 | |
| 931 | if (b43_new_kidx_api(dev)) |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 932 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 933 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 934 | B43_WARN_ON(index >= ARRAY_SIZE(dev->key)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 935 | B43_WARN_ON(key_len > B43_SEC_KEYSIZE); |
| 936 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 937 | if (index >= pairwise_keys_start) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 938 | keymac_write(dev, index, NULL); /* First zero out mac. */ |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 939 | if (algorithm == B43_SEC_ALGO_TKIP) { |
| 940 | /* |
| 941 | * We should provide an initial iv32, phase1key pair. |
| 942 | * We could start with iv32=0 and compute the corresponding |
| 943 | * phase1key, but this means calling ieee80211_get_tkip_key |
| 944 | * with a fake skb (or export other tkip function). |
| 945 | * Because we are lazy we hope iv32 won't start with |
| 946 | * 0xffffffff and let's b43_op_update_tkip_key provide a |
| 947 | * correct pair. |
| 948 | */ |
| 949 | rx_tkip_phase1_write(dev, index, 0xffffffff, (u16*)buf); |
| 950 | } else if (index >= pairwise_keys_start) /* clear it */ |
| 951 | rx_tkip_phase1_write(dev, index, 0, NULL); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 952 | if (key) |
| 953 | memcpy(buf, key, key_len); |
| 954 | key_write(dev, index, algorithm, buf); |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 955 | if (index >= pairwise_keys_start) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 956 | keymac_write(dev, index, mac_addr); |
| 957 | |
| 958 | dev->key[index].algorithm = algorithm; |
| 959 | } |
| 960 | |
| 961 | static int b43_key_write(struct b43_wldev *dev, |
| 962 | int index, u8 algorithm, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 963 | const u8 *key, size_t key_len, |
| 964 | const u8 *mac_addr, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 965 | struct ieee80211_key_conf *keyconf) |
| 966 | { |
| 967 | int i; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 968 | int pairwise_keys_start; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 969 | |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 970 | /* For ALG_TKIP the key is encoded as a 256-bit (32 byte) data block: |
| 971 | * - Temporal Encryption Key (128 bits) |
| 972 | * - Temporal Authenticator Tx MIC Key (64 bits) |
| 973 | * - Temporal Authenticator Rx MIC Key (64 bits) |
| 974 | * |
| 975 | * Hardware only store TEK |
| 976 | */ |
| 977 | if (algorithm == B43_SEC_ALGO_TKIP && key_len == 32) |
| 978 | key_len = 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 979 | if (key_len > B43_SEC_KEYSIZE) |
| 980 | return -EINVAL; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 981 | for (i = 0; i < ARRAY_SIZE(dev->key); i++) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 982 | /* Check that we don't already have this key. */ |
| 983 | B43_WARN_ON(dev->key[i].keyconf == keyconf); |
| 984 | } |
| 985 | if (index < 0) { |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 986 | /* Pairwise key. Get an empty slot for the key. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 987 | if (b43_new_kidx_api(dev)) |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 988 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 989 | else |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 990 | pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
| 991 | for (i = pairwise_keys_start; |
| 992 | i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS; |
| 993 | i++) { |
| 994 | B43_WARN_ON(i >= ARRAY_SIZE(dev->key)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 995 | if (!dev->key[i].keyconf) { |
| 996 | /* found empty */ |
| 997 | index = i; |
| 998 | break; |
| 999 | } |
| 1000 | } |
| 1001 | if (index < 0) { |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 1002 | b43warn(dev->wl, "Out of hardware key memory\n"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1003 | return -ENOSPC; |
| 1004 | } |
| 1005 | } else |
| 1006 | B43_WARN_ON(index > 3); |
| 1007 | |
| 1008 | do_key_write(dev, index, algorithm, key, key_len, mac_addr); |
| 1009 | if ((index <= 3) && !b43_new_kidx_api(dev)) { |
| 1010 | /* Default RX key */ |
| 1011 | B43_WARN_ON(mac_addr); |
| 1012 | do_key_write(dev, index + 4, algorithm, key, key_len, NULL); |
| 1013 | } |
| 1014 | keyconf->hw_key_idx = index; |
| 1015 | dev->key[index].keyconf = keyconf; |
| 1016 | |
| 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | static int b43_key_clear(struct b43_wldev *dev, int index) |
| 1021 | { |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1022 | if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key)))) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1023 | return -EINVAL; |
| 1024 | do_key_write(dev, index, B43_SEC_ALGO_NONE, |
| 1025 | NULL, B43_SEC_KEYSIZE, NULL); |
| 1026 | if ((index <= 3) && !b43_new_kidx_api(dev)) { |
| 1027 | do_key_write(dev, index + 4, B43_SEC_ALGO_NONE, |
| 1028 | NULL, B43_SEC_KEYSIZE, NULL); |
| 1029 | } |
| 1030 | dev->key[index].keyconf = NULL; |
| 1031 | |
| 1032 | return 0; |
| 1033 | } |
| 1034 | |
| 1035 | static void b43_clear_keys(struct b43_wldev *dev) |
| 1036 | { |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1037 | int i, count; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1038 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1039 | if (b43_new_kidx_api(dev)) |
| 1040 | count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS; |
| 1041 | else |
| 1042 | count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS; |
| 1043 | for (i = 0; i < count; i++) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1044 | b43_key_clear(dev, i); |
| 1045 | } |
| 1046 | |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1047 | static void b43_dump_keymemory(struct b43_wldev *dev) |
| 1048 | { |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1049 | unsigned int i, index, count, offset, pairwise_keys_start; |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1050 | u8 mac[ETH_ALEN]; |
| 1051 | u16 algo; |
| 1052 | u32 rcmta0; |
| 1053 | u16 rcmta1; |
| 1054 | u64 hf; |
| 1055 | struct b43_key *key; |
| 1056 | |
| 1057 | if (!b43_debug(dev, B43_DBG_KEYS)) |
| 1058 | return; |
| 1059 | |
| 1060 | hf = b43_hf_read(dev); |
| 1061 | b43dbg(dev->wl, "Hardware key memory dump: USEDEFKEYS=%u\n", |
| 1062 | !!(hf & B43_HF_USEDEFKEYS)); |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1063 | if (b43_new_kidx_api(dev)) { |
| 1064 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
| 1065 | count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS; |
| 1066 | } else { |
| 1067 | pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
| 1068 | count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS; |
| 1069 | } |
| 1070 | for (index = 0; index < count; index++) { |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1071 | key = &(dev->key[index]); |
| 1072 | printk(KERN_DEBUG "Key slot %02u: %s", |
| 1073 | index, (key->keyconf == NULL) ? " " : "*"); |
| 1074 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); |
| 1075 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { |
| 1076 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i); |
| 1077 | printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF)); |
| 1078 | } |
| 1079 | |
| 1080 | algo = b43_shm_read16(dev, B43_SHM_SHARED, |
| 1081 | B43_SHM_SH_KEYIDXBLOCK + (index * 2)); |
| 1082 | printk(" Algo: %04X/%02X", algo, key->algorithm); |
| 1083 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1084 | if (index >= pairwise_keys_start) { |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 1085 | if (key->algorithm == B43_SEC_ALGO_TKIP) { |
| 1086 | printk(" TKIP: "); |
| 1087 | offset = B43_SHM_SH_TKIPTSCTTAK + (index - 4) * (10 + 4); |
| 1088 | for (i = 0; i < 14; i += 2) { |
| 1089 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i); |
| 1090 | printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF)); |
| 1091 | } |
| 1092 | } |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1093 | rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA, |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1094 | ((index - pairwise_keys_start) * 2) + 0); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1095 | rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA, |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1096 | ((index - pairwise_keys_start) * 2) + 1); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1097 | *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0); |
| 1098 | *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1); |
Johannes Berg | e91d833 | 2009-07-15 17:21:41 +0200 | [diff] [blame] | 1099 | printk(" MAC: %pM", mac); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1100 | } else |
| 1101 | printk(" DEFAULT KEY"); |
| 1102 | printk("\n"); |
| 1103 | } |
| 1104 | } |
| 1105 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1106 | void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) |
| 1107 | { |
| 1108 | u32 macctl; |
| 1109 | u16 ucstat; |
| 1110 | bool hwps; |
| 1111 | bool awake; |
| 1112 | int i; |
| 1113 | |
| 1114 | B43_WARN_ON((ps_flags & B43_PS_ENABLED) && |
| 1115 | (ps_flags & B43_PS_DISABLED)); |
| 1116 | B43_WARN_ON((ps_flags & B43_PS_AWAKE) && (ps_flags & B43_PS_ASLEEP)); |
| 1117 | |
| 1118 | if (ps_flags & B43_PS_ENABLED) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1119 | hwps = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1120 | } else if (ps_flags & B43_PS_DISABLED) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1121 | hwps = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1122 | } else { |
| 1123 | //TODO: If powersave is not off and FIXME is not set and we are not in adhoc |
| 1124 | // and thus is not an AP and we are associated, set bit 25 |
| 1125 | } |
| 1126 | if (ps_flags & B43_PS_AWAKE) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1127 | awake = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1128 | } else if (ps_flags & B43_PS_ASLEEP) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1129 | awake = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1130 | } else { |
| 1131 | //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME, |
| 1132 | // or we are associated, or FIXME, or the latest PS-Poll packet sent was |
| 1133 | // successful, set bit26 |
| 1134 | } |
| 1135 | |
| 1136 | /* FIXME: For now we force awake-on and hwps-off */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1137 | hwps = false; |
| 1138 | awake = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1139 | |
| 1140 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1141 | if (hwps) |
| 1142 | macctl |= B43_MACCTL_HWPS; |
| 1143 | else |
| 1144 | macctl &= ~B43_MACCTL_HWPS; |
| 1145 | if (awake) |
| 1146 | macctl |= B43_MACCTL_AWAKE; |
| 1147 | else |
| 1148 | macctl &= ~B43_MACCTL_AWAKE; |
| 1149 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 1150 | /* Commit write */ |
| 1151 | b43_read32(dev, B43_MMIO_MACCTL); |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 1152 | if (awake && dev->dev->core_rev >= 5) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1153 | /* Wait for the microcode to wake up. */ |
| 1154 | for (i = 0; i < 100; i++) { |
| 1155 | ucstat = b43_shm_read16(dev, B43_SHM_SHARED, |
| 1156 | B43_SHM_SH_UCODESTAT); |
| 1157 | if (ucstat != B43_SHM_SH_UCODESTAT_SLEEP) |
| 1158 | break; |
| 1159 | udelay(10); |
| 1160 | } |
| 1161 | } |
| 1162 | } |
| 1163 | |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 1164 | #ifdef CONFIG_B43_BCMA |
Rafał Miłecki | 4917359 | 2011-07-17 01:06:06 +0200 | [diff] [blame] | 1165 | static void b43_bcma_phy_reset(struct b43_wldev *dev) |
| 1166 | { |
| 1167 | u32 flags; |
| 1168 | |
| 1169 | /* Put PHY into reset */ |
| 1170 | flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); |
| 1171 | flags |= B43_BCMA_IOCTL_PHY_RESET; |
| 1172 | flags |= B43_BCMA_IOCTL_PHY_BW_20MHZ; /* Make 20 MHz def */ |
| 1173 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags); |
| 1174 | udelay(2); |
| 1175 | |
| 1176 | /* Take PHY out of reset */ |
| 1177 | flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); |
| 1178 | flags &= ~B43_BCMA_IOCTL_PHY_RESET; |
| 1179 | flags |= BCMA_IOCTL_FGC; |
| 1180 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags); |
| 1181 | udelay(1); |
| 1182 | |
| 1183 | /* Do not force clock anymore */ |
| 1184 | flags = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); |
| 1185 | flags &= ~BCMA_IOCTL_FGC; |
| 1186 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, flags); |
| 1187 | udelay(1); |
| 1188 | } |
| 1189 | |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 1190 | static void b43_bcma_wireless_core_reset(struct b43_wldev *dev, bool gmode) |
| 1191 | { |
Rafał Miłecki | 4917359 | 2011-07-17 01:06:06 +0200 | [diff] [blame] | 1192 | b43_device_enable(dev, B43_BCMA_IOCTL_PHY_CLKEN); |
| 1193 | bcma_core_set_clockmode(dev->dev->bdev, BCMA_CLKMODE_FAST); |
| 1194 | b43_bcma_phy_reset(dev); |
| 1195 | bcma_core_pll_ctl(dev->dev->bdev, 0x300, 0x3000000, true); |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 1196 | } |
| 1197 | #endif |
| 1198 | |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 1199 | static void b43_ssb_wireless_core_reset(struct b43_wldev *dev, bool gmode) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1200 | { |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 1201 | struct ssb_device *sdev = dev->dev->sdev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1202 | u32 tmslow; |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 1203 | u32 flags = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1204 | |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 1205 | if (gmode) |
| 1206 | flags |= B43_TMSLOW_GMODE; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1207 | flags |= B43_TMSLOW_PHYCLKEN; |
| 1208 | flags |= B43_TMSLOW_PHYRESET; |
Rafał Miłecki | 42ab135 | 2010-12-09 20:56:01 +0100 | [diff] [blame] | 1209 | if (dev->phy.type == B43_PHYTYPE_N) |
| 1210 | flags |= B43_TMSLOW_PHY_BANDWIDTH_20MHZ; /* Make 20 MHz def */ |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 1211 | b43_device_enable(dev, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1212 | msleep(2); /* Wait for the PLL to turn on. */ |
| 1213 | |
| 1214 | /* Now take the PHY out of Reset again */ |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 1215 | tmslow = ssb_read32(sdev, SSB_TMSLOW); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1216 | tmslow |= SSB_TMSLOW_FGC; |
| 1217 | tmslow &= ~B43_TMSLOW_PHYRESET; |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 1218 | ssb_write32(sdev, SSB_TMSLOW, tmslow); |
| 1219 | ssb_read32(sdev, SSB_TMSLOW); /* flush */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1220 | msleep(1); |
| 1221 | tmslow &= ~SSB_TMSLOW_FGC; |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 1222 | ssb_write32(sdev, SSB_TMSLOW, tmslow); |
| 1223 | ssb_read32(sdev, SSB_TMSLOW); /* flush */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1224 | msleep(1); |
Rafał Miłecki | 1495298 | 2011-05-17 18:57:28 +0200 | [diff] [blame] | 1225 | } |
| 1226 | |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 1227 | void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode) |
Rafał Miłecki | 1495298 | 2011-05-17 18:57:28 +0200 | [diff] [blame] | 1228 | { |
| 1229 | u32 macctl; |
| 1230 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 1231 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 1232 | #ifdef CONFIG_B43_BCMA |
| 1233 | case B43_BUS_BCMA: |
| 1234 | b43_bcma_wireless_core_reset(dev, gmode); |
| 1235 | break; |
| 1236 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 1237 | #ifdef CONFIG_B43_SSB |
| 1238 | case B43_BUS_SSB: |
| 1239 | b43_ssb_wireless_core_reset(dev, gmode); |
| 1240 | break; |
| 1241 | #endif |
| 1242 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1243 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 1244 | /* Turn Analog ON, but only if we already know the PHY-type. |
| 1245 | * This protects against very early setup where we don't know the |
| 1246 | * PHY-type, yet. wireless_core_reset will be called once again later, |
| 1247 | * when we know the PHY-type. */ |
| 1248 | if (dev->phy.ops) |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 1249 | dev->phy.ops->switch_analog(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1250 | |
| 1251 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1252 | macctl &= ~B43_MACCTL_GMODE; |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 1253 | if (gmode) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1254 | macctl |= B43_MACCTL_GMODE; |
| 1255 | macctl |= B43_MACCTL_IHR_ENABLED; |
| 1256 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 1257 | } |
| 1258 | |
| 1259 | static void handle_irq_transmit_status(struct b43_wldev *dev) |
| 1260 | { |
| 1261 | u32 v0, v1; |
| 1262 | u16 tmp; |
| 1263 | struct b43_txstatus stat; |
| 1264 | |
| 1265 | while (1) { |
| 1266 | v0 = b43_read32(dev, B43_MMIO_XMITSTAT_0); |
| 1267 | if (!(v0 & 0x00000001)) |
| 1268 | break; |
| 1269 | v1 = b43_read32(dev, B43_MMIO_XMITSTAT_1); |
| 1270 | |
| 1271 | stat.cookie = (v0 >> 16); |
| 1272 | stat.seq = (v1 & 0x0000FFFF); |
| 1273 | stat.phy_stat = ((v1 & 0x00FF0000) >> 16); |
| 1274 | tmp = (v0 & 0x0000FFFF); |
| 1275 | stat.frame_count = ((tmp & 0xF000) >> 12); |
| 1276 | stat.rts_count = ((tmp & 0x0F00) >> 8); |
| 1277 | stat.supp_reason = ((tmp & 0x001C) >> 2); |
| 1278 | stat.pm_indicated = !!(tmp & 0x0080); |
| 1279 | stat.intermediate = !!(tmp & 0x0040); |
| 1280 | stat.for_ampdu = !!(tmp & 0x0020); |
| 1281 | stat.acked = !!(tmp & 0x0002); |
| 1282 | |
| 1283 | b43_handle_txstatus(dev, &stat); |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | static void drain_txstatus_queue(struct b43_wldev *dev) |
| 1288 | { |
| 1289 | u32 dummy; |
| 1290 | |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 1291 | if (dev->dev->core_rev < 5) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1292 | return; |
| 1293 | /* Read all entries from the microcode TXstatus FIFO |
| 1294 | * and throw them away. |
| 1295 | */ |
| 1296 | while (1) { |
| 1297 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_0); |
| 1298 | if (!(dummy & 0x00000001)) |
| 1299 | break; |
| 1300 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_1); |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | static u32 b43_jssi_read(struct b43_wldev *dev) |
| 1305 | { |
| 1306 | u32 val = 0; |
| 1307 | |
| 1308 | val = b43_shm_read16(dev, B43_SHM_SHARED, 0x08A); |
| 1309 | val <<= 16; |
| 1310 | val |= b43_shm_read16(dev, B43_SHM_SHARED, 0x088); |
| 1311 | |
| 1312 | return val; |
| 1313 | } |
| 1314 | |
| 1315 | static void b43_jssi_write(struct b43_wldev *dev, u32 jssi) |
| 1316 | { |
| 1317 | b43_shm_write16(dev, B43_SHM_SHARED, 0x088, (jssi & 0x0000FFFF)); |
| 1318 | b43_shm_write16(dev, B43_SHM_SHARED, 0x08A, (jssi & 0xFFFF0000) >> 16); |
| 1319 | } |
| 1320 | |
| 1321 | static void b43_generate_noise_sample(struct b43_wldev *dev) |
| 1322 | { |
| 1323 | b43_jssi_write(dev, 0x7F7F7F7F); |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1324 | b43_write32(dev, B43_MMIO_MACCMD, |
| 1325 | b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1326 | } |
| 1327 | |
| 1328 | static void b43_calculate_link_quality(struct b43_wldev *dev) |
| 1329 | { |
| 1330 | /* Top half of Link Quality calculation. */ |
| 1331 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1332 | if (dev->phy.type != B43_PHYTYPE_G) |
| 1333 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1334 | if (dev->noisecalc.calculation_running) |
| 1335 | return; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1336 | dev->noisecalc.calculation_running = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1337 | dev->noisecalc.nr_samples = 0; |
| 1338 | |
| 1339 | b43_generate_noise_sample(dev); |
| 1340 | } |
| 1341 | |
| 1342 | static void handle_irq_noise(struct b43_wldev *dev) |
| 1343 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1344 | struct b43_phy_g *phy = dev->phy.g; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1345 | u16 tmp; |
| 1346 | u8 noise[4]; |
| 1347 | u8 i, j; |
| 1348 | s32 average; |
| 1349 | |
| 1350 | /* Bottom half of Link Quality calculation. */ |
| 1351 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1352 | if (dev->phy.type != B43_PHYTYPE_G) |
| 1353 | return; |
| 1354 | |
Michael Buesch | 98a3b2f | 2008-06-12 12:36:29 +0200 | [diff] [blame] | 1355 | /* Possible race condition: It might be possible that the user |
| 1356 | * changed to a different channel in the meantime since we |
| 1357 | * started the calculation. We ignore that fact, since it's |
| 1358 | * not really that much of a problem. The background noise is |
| 1359 | * an estimation only anyway. Slightly wrong results will get damped |
| 1360 | * by the averaging of the 8 sample rounds. Additionally the |
| 1361 | * value is shortlived. So it will be replaced by the next noise |
| 1362 | * calculation round soon. */ |
| 1363 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1364 | B43_WARN_ON(!dev->noisecalc.calculation_running); |
Michael Buesch | 1a09404 | 2007-09-20 11:13:40 -0700 | [diff] [blame] | 1365 | *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1366 | if (noise[0] == 0x7F || noise[1] == 0x7F || |
| 1367 | noise[2] == 0x7F || noise[3] == 0x7F) |
| 1368 | goto generate_new; |
| 1369 | |
| 1370 | /* Get the noise samples. */ |
| 1371 | B43_WARN_ON(dev->noisecalc.nr_samples >= 8); |
| 1372 | i = dev->noisecalc.nr_samples; |
Harvey Harrison | cdbf084 | 2008-05-02 13:47:48 -0700 | [diff] [blame] | 1373 | noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1374 | noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1375 | noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1376 | noise[3] = clamp_val(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1377 | dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]]; |
| 1378 | dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]]; |
| 1379 | dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]]; |
| 1380 | dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]]; |
| 1381 | dev->noisecalc.nr_samples++; |
| 1382 | if (dev->noisecalc.nr_samples == 8) { |
| 1383 | /* Calculate the Link Quality by the noise samples. */ |
| 1384 | average = 0; |
| 1385 | for (i = 0; i < 8; i++) { |
| 1386 | for (j = 0; j < 4; j++) |
| 1387 | average += dev->noisecalc.samples[i][j]; |
| 1388 | } |
| 1389 | average /= (8 * 4); |
| 1390 | average *= 125; |
| 1391 | average += 64; |
| 1392 | average /= 128; |
| 1393 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x40C); |
| 1394 | tmp = (tmp / 128) & 0x1F; |
| 1395 | if (tmp >= 8) |
| 1396 | average += 2; |
| 1397 | else |
| 1398 | average -= 25; |
| 1399 | if (tmp == 8) |
| 1400 | average -= 72; |
| 1401 | else |
| 1402 | average -= 48; |
| 1403 | |
| 1404 | dev->stats.link_noise = average; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1405 | dev->noisecalc.calculation_running = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1406 | return; |
| 1407 | } |
Michael Buesch | 98a3b2f | 2008-06-12 12:36:29 +0200 | [diff] [blame] | 1408 | generate_new: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1409 | b43_generate_noise_sample(dev); |
| 1410 | } |
| 1411 | |
| 1412 | static void handle_irq_tbtt_indication(struct b43_wldev *dev) |
| 1413 | { |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1414 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_AP)) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1415 | ///TODO: PS TBTT |
| 1416 | } else { |
| 1417 | if (1 /*FIXME: the last PSpoll frame was sent successfully */ ) |
| 1418 | b43_power_saving_ctl_bits(dev, 0); |
| 1419 | } |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1420 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1421 | dev->dfq_valid = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1422 | } |
| 1423 | |
| 1424 | static void handle_irq_atim_end(struct b43_wldev *dev) |
| 1425 | { |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1426 | if (dev->dfq_valid) { |
| 1427 | b43_write32(dev, B43_MMIO_MACCMD, |
| 1428 | b43_read32(dev, B43_MMIO_MACCMD) |
| 1429 | | B43_MACCMD_DFQ_VALID); |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1430 | dev->dfq_valid = false; |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1431 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1432 | } |
| 1433 | |
| 1434 | static void handle_irq_pmq(struct b43_wldev *dev) |
| 1435 | { |
| 1436 | u32 tmp; |
| 1437 | |
| 1438 | //TODO: AP mode. |
| 1439 | |
| 1440 | while (1) { |
| 1441 | tmp = b43_read32(dev, B43_MMIO_PS_STATUS); |
| 1442 | if (!(tmp & 0x00000008)) |
| 1443 | break; |
| 1444 | } |
| 1445 | /* 16bit write is odd, but correct. */ |
| 1446 | b43_write16(dev, B43_MMIO_PS_STATUS, 0x0002); |
| 1447 | } |
| 1448 | |
| 1449 | static void b43_write_template_common(struct b43_wldev *dev, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 1450 | const u8 *data, u16 size, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1451 | u16 ram_offset, |
| 1452 | u16 shm_size_offset, u8 rate) |
| 1453 | { |
| 1454 | u32 i, tmp; |
| 1455 | struct b43_plcp_hdr4 plcp; |
| 1456 | |
| 1457 | plcp.data = 0; |
| 1458 | b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); |
| 1459 | b43_ram_write(dev, ram_offset, le32_to_cpu(plcp.data)); |
| 1460 | ram_offset += sizeof(u32); |
| 1461 | /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet. |
| 1462 | * So leave the first two bytes of the next write blank. |
| 1463 | */ |
| 1464 | tmp = (u32) (data[0]) << 16; |
| 1465 | tmp |= (u32) (data[1]) << 24; |
| 1466 | b43_ram_write(dev, ram_offset, tmp); |
| 1467 | ram_offset += sizeof(u32); |
| 1468 | for (i = 2; i < size; i += sizeof(u32)) { |
| 1469 | tmp = (u32) (data[i + 0]); |
| 1470 | if (i + 1 < size) |
| 1471 | tmp |= (u32) (data[i + 1]) << 8; |
| 1472 | if (i + 2 < size) |
| 1473 | tmp |= (u32) (data[i + 2]) << 16; |
| 1474 | if (i + 3 < size) |
| 1475 | tmp |= (u32) (data[i + 3]) << 24; |
| 1476 | b43_ram_write(dev, ram_offset + i - 2, tmp); |
| 1477 | } |
| 1478 | b43_shm_write16(dev, B43_SHM_SHARED, shm_size_offset, |
| 1479 | size + sizeof(struct b43_plcp_hdr6)); |
| 1480 | } |
| 1481 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1482 | /* Check if the use of the antenna that ieee80211 told us to |
| 1483 | * use is possible. This will fall back to DEFAULT. |
| 1484 | * "antenna_nr" is the antenna identifier we got from ieee80211. */ |
| 1485 | u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev, |
| 1486 | u8 antenna_nr) |
| 1487 | { |
| 1488 | u8 antenna_mask; |
| 1489 | |
| 1490 | if (antenna_nr == 0) { |
| 1491 | /* Zero means "use default antenna". That's always OK. */ |
| 1492 | return 0; |
| 1493 | } |
| 1494 | |
| 1495 | /* Get the mask of available antennas. */ |
| 1496 | if (dev->phy.gmode) |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame] | 1497 | antenna_mask = dev->dev->bus_sprom->ant_available_bg; |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1498 | else |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame] | 1499 | antenna_mask = dev->dev->bus_sprom->ant_available_a; |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1500 | |
| 1501 | if (!(antenna_mask & (1 << (antenna_nr - 1)))) { |
| 1502 | /* This antenna is not available. Fall back to default. */ |
| 1503 | return 0; |
| 1504 | } |
| 1505 | |
| 1506 | return antenna_nr; |
| 1507 | } |
| 1508 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1509 | /* Convert a b43 antenna number value to the PHY TX control value. */ |
| 1510 | static u16 b43_antenna_to_phyctl(int antenna) |
| 1511 | { |
| 1512 | switch (antenna) { |
| 1513 | case B43_ANTENNA0: |
| 1514 | return B43_TXH_PHY_ANT0; |
| 1515 | case B43_ANTENNA1: |
| 1516 | return B43_TXH_PHY_ANT1; |
| 1517 | case B43_ANTENNA2: |
| 1518 | return B43_TXH_PHY_ANT2; |
| 1519 | case B43_ANTENNA3: |
| 1520 | return B43_TXH_PHY_ANT3; |
Gábor Stefanik | 64e368b | 2009-08-27 22:49:49 +0200 | [diff] [blame] | 1521 | case B43_ANTENNA_AUTO0: |
| 1522 | case B43_ANTENNA_AUTO1: |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1523 | return B43_TXH_PHY_ANT01AUTO; |
| 1524 | } |
| 1525 | B43_WARN_ON(1); |
| 1526 | return 0; |
| 1527 | } |
| 1528 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1529 | static void b43_write_beacon_template(struct b43_wldev *dev, |
| 1530 | u16 ram_offset, |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1531 | u16 shm_size_offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1532 | { |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1533 | unsigned int i, len, variable_len; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1534 | const struct ieee80211_mgmt *bcn; |
| 1535 | const u8 *ie; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1536 | bool tim_found = false; |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1537 | unsigned int rate; |
| 1538 | u16 ctl; |
| 1539 | int antenna; |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1540 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1541 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1542 | bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data); |
| 1543 | len = min((size_t) dev->wl->current_beacon->len, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1544 | 0x200 - sizeof(struct b43_plcp_hdr6)); |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1545 | rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1546 | |
| 1547 | b43_write_template_common(dev, (const u8 *)bcn, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1548 | len, ram_offset, shm_size_offset, rate); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1549 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1550 | /* Write the PHY TX control parameters. */ |
Johannes Berg | 0f4ac38 | 2008-10-09 12:18:04 +0200 | [diff] [blame] | 1551 | antenna = B43_ANTENNA_DEFAULT; |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1552 | antenna = b43_antenna_to_phyctl(antenna); |
| 1553 | ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); |
| 1554 | /* We can't send beacons with short preamble. Would get PHY errors. */ |
| 1555 | ctl &= ~B43_TXH_PHY_SHORTPRMBL; |
| 1556 | ctl &= ~B43_TXH_PHY_ANT; |
| 1557 | ctl &= ~B43_TXH_PHY_ENC; |
| 1558 | ctl |= antenna; |
| 1559 | if (b43_is_cck_rate(rate)) |
| 1560 | ctl |= B43_TXH_PHY_ENC_CCK; |
| 1561 | else |
| 1562 | ctl |= B43_TXH_PHY_ENC_OFDM; |
| 1563 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); |
| 1564 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1565 | /* Find the position of the TIM and the DTIM_period value |
| 1566 | * and write them to SHM. */ |
| 1567 | ie = bcn->u.beacon.variable; |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1568 | variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable); |
| 1569 | for (i = 0; i < variable_len - 2; ) { |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1570 | uint8_t ie_id, ie_len; |
| 1571 | |
| 1572 | ie_id = ie[i]; |
| 1573 | ie_len = ie[i + 1]; |
| 1574 | if (ie_id == 5) { |
| 1575 | u16 tim_position; |
| 1576 | u16 dtim_period; |
| 1577 | /* This is the TIM Information Element */ |
| 1578 | |
| 1579 | /* Check whether the ie_len is in the beacon data range. */ |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1580 | if (variable_len < ie_len + 2 + i) |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1581 | break; |
| 1582 | /* A valid TIM is at least 4 bytes long. */ |
| 1583 | if (ie_len < 4) |
| 1584 | break; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1585 | tim_found = true; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1586 | |
| 1587 | tim_position = sizeof(struct b43_plcp_hdr6); |
| 1588 | tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable); |
| 1589 | tim_position += i; |
| 1590 | |
| 1591 | dtim_period = ie[i + 3]; |
| 1592 | |
| 1593 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1594 | B43_SHM_SH_TIMBPOS, tim_position); |
| 1595 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1596 | B43_SHM_SH_DTIMPER, dtim_period); |
| 1597 | break; |
| 1598 | } |
| 1599 | i += ie_len + 2; |
| 1600 | } |
| 1601 | if (!tim_found) { |
Johannes Berg | 04dea13 | 2008-05-20 12:10:49 +0200 | [diff] [blame] | 1602 | /* |
| 1603 | * If ucode wants to modify TIM do it behind the beacon, this |
| 1604 | * will happen, for example, when doing mesh networking. |
| 1605 | */ |
| 1606 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1607 | B43_SHM_SH_TIMBPOS, |
| 1608 | len + sizeof(struct b43_plcp_hdr6)); |
| 1609 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1610 | B43_SHM_SH_DTIMPER, 0); |
| 1611 | } |
| 1612 | b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1613 | } |
| 1614 | |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1615 | static void b43_upload_beacon0(struct b43_wldev *dev) |
| 1616 | { |
| 1617 | struct b43_wl *wl = dev->wl; |
| 1618 | |
| 1619 | if (wl->beacon0_uploaded) |
| 1620 | return; |
| 1621 | b43_write_beacon_template(dev, 0x68, 0x18); |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1622 | wl->beacon0_uploaded = true; |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1623 | } |
| 1624 | |
| 1625 | static void b43_upload_beacon1(struct b43_wldev *dev) |
| 1626 | { |
| 1627 | struct b43_wl *wl = dev->wl; |
| 1628 | |
| 1629 | if (wl->beacon1_uploaded) |
| 1630 | return; |
| 1631 | b43_write_beacon_template(dev, 0x468, 0x1A); |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1632 | wl->beacon1_uploaded = true; |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1633 | } |
| 1634 | |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1635 | static void handle_irq_beacon(struct b43_wldev *dev) |
| 1636 | { |
| 1637 | struct b43_wl *wl = dev->wl; |
| 1638 | u32 cmd, beacon0_valid, beacon1_valid; |
| 1639 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1640 | if (!b43_is_mode(wl, NL80211_IFTYPE_AP) && |
Manual Munz | 8c23516 | 2011-09-18 18:24:03 -0500 | [diff] [blame] | 1641 | !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) && |
| 1642 | !b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1643 | return; |
| 1644 | |
| 1645 | /* This is the bottom half of the asynchronous beacon update. */ |
| 1646 | |
| 1647 | /* Ignore interrupt in the future. */ |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1648 | dev->irq_mask &= ~B43_IRQ_BEACON; |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1649 | |
| 1650 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1651 | beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID); |
| 1652 | beacon1_valid = (cmd & B43_MACCMD_BEACON1_VALID); |
| 1653 | |
| 1654 | /* Schedule interrupt manually, if busy. */ |
| 1655 | if (beacon0_valid && beacon1_valid) { |
| 1656 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON); |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1657 | dev->irq_mask |= B43_IRQ_BEACON; |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1658 | return; |
| 1659 | } |
| 1660 | |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1661 | if (unlikely(wl->beacon_templates_virgin)) { |
| 1662 | /* We never uploaded a beacon before. |
| 1663 | * Upload both templates now, but only mark one valid. */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1664 | wl->beacon_templates_virgin = false; |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1665 | b43_upload_beacon0(dev); |
| 1666 | b43_upload_beacon1(dev); |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1667 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1668 | cmd |= B43_MACCMD_BEACON0_VALID; |
| 1669 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1670 | } else { |
| 1671 | if (!beacon0_valid) { |
| 1672 | b43_upload_beacon0(dev); |
| 1673 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1674 | cmd |= B43_MACCMD_BEACON0_VALID; |
| 1675 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
| 1676 | } else if (!beacon1_valid) { |
| 1677 | b43_upload_beacon1(dev); |
| 1678 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1679 | cmd |= B43_MACCMD_BEACON1_VALID; |
| 1680 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1681 | } |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1682 | } |
| 1683 | } |
| 1684 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1685 | static void b43_do_beacon_update_trigger_work(struct b43_wldev *dev) |
| 1686 | { |
| 1687 | u32 old_irq_mask = dev->irq_mask; |
| 1688 | |
| 1689 | /* update beacon right away or defer to irq */ |
| 1690 | handle_irq_beacon(dev); |
| 1691 | if (old_irq_mask != dev->irq_mask) { |
| 1692 | /* The handler updated the IRQ mask. */ |
| 1693 | B43_WARN_ON(!dev->irq_mask); |
| 1694 | if (b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)) { |
| 1695 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
| 1696 | } else { |
| 1697 | /* Device interrupts are currently disabled. That means |
| 1698 | * we just ran the hardirq handler and scheduled the |
| 1699 | * IRQ thread. The thread will write the IRQ mask when |
| 1700 | * it finished, so there's nothing to do here. Writing |
| 1701 | * the mask _here_ would incorrectly re-enable IRQs. */ |
| 1702 | } |
| 1703 | } |
| 1704 | } |
| 1705 | |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1706 | static void b43_beacon_update_trigger_work(struct work_struct *work) |
| 1707 | { |
| 1708 | struct b43_wl *wl = container_of(work, struct b43_wl, |
| 1709 | beacon_update_trigger); |
| 1710 | struct b43_wldev *dev; |
| 1711 | |
| 1712 | mutex_lock(&wl->mutex); |
| 1713 | dev = wl->current_dev; |
| 1714 | if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) { |
Rafał Miłecki | 505fb01 | 2011-05-19 15:11:27 +0200 | [diff] [blame] | 1715 | if (b43_bus_host_is_sdio(dev->dev)) { |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1716 | /* wl->mutex is enough. */ |
| 1717 | b43_do_beacon_update_trigger_work(dev); |
| 1718 | mmiowb(); |
| 1719 | } else { |
| 1720 | spin_lock_irq(&wl->hardirq_lock); |
| 1721 | b43_do_beacon_update_trigger_work(dev); |
| 1722 | mmiowb(); |
| 1723 | spin_unlock_irq(&wl->hardirq_lock); |
| 1724 | } |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1725 | } |
| 1726 | mutex_unlock(&wl->mutex); |
| 1727 | } |
| 1728 | |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 1729 | /* Asynchronously update the packet templates in template RAM. |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1730 | * Locking: Requires wl->mutex to be locked. */ |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 1731 | static void b43_update_templates(struct b43_wl *wl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1732 | { |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 1733 | struct sk_buff *beacon; |
| 1734 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1735 | /* This is the top half of the ansynchronous beacon update. |
| 1736 | * The bottom half is the beacon IRQ. |
| 1737 | * Beacon update must be asynchronous to avoid sending an |
| 1738 | * invalid beacon. This can happen for example, if the firmware |
| 1739 | * transmits a beacon while we are updating it. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1740 | |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 1741 | /* We could modify the existing beacon and set the aid bit in |
| 1742 | * the TIM field, but that would probably require resizing and |
| 1743 | * moving of data within the beacon template. |
| 1744 | * Simply request a new beacon and let mac80211 do the hard work. */ |
| 1745 | beacon = ieee80211_beacon_get(wl->hw, wl->vif); |
| 1746 | if (unlikely(!beacon)) |
| 1747 | return; |
| 1748 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1749 | if (wl->current_beacon) |
| 1750 | dev_kfree_skb_any(wl->current_beacon); |
| 1751 | wl->current_beacon = beacon; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1752 | wl->beacon0_uploaded = false; |
| 1753 | wl->beacon1_uploaded = false; |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 1754 | ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1755 | } |
| 1756 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1757 | static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int) |
| 1758 | { |
| 1759 | b43_time_lock(dev); |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 1760 | if (dev->dev->core_rev >= 3) { |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1761 | b43_write32(dev, B43_MMIO_TSF_CFP_REP, (beacon_int << 16)); |
| 1762 | b43_write32(dev, B43_MMIO_TSF_CFP_START, (beacon_int << 10)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1763 | } else { |
| 1764 | b43_write16(dev, 0x606, (beacon_int >> 6)); |
| 1765 | b43_write16(dev, 0x610, beacon_int); |
| 1766 | } |
| 1767 | b43_time_unlock(dev); |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1768 | b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1769 | } |
| 1770 | |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1771 | static void b43_handle_firmware_panic(struct b43_wldev *dev) |
| 1772 | { |
| 1773 | u16 reason; |
| 1774 | |
| 1775 | /* Read the register that contains the reason code for the panic. */ |
| 1776 | reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_FWPANIC_REASON_REG); |
| 1777 | b43err(dev->wl, "Whoopsy, firmware panic! Reason: %u\n", reason); |
| 1778 | |
| 1779 | switch (reason) { |
| 1780 | default: |
| 1781 | b43dbg(dev->wl, "The panic reason is unknown.\n"); |
| 1782 | /* fallthrough */ |
| 1783 | case B43_FWPANIC_DIE: |
| 1784 | /* Do not restart the controller or firmware. |
| 1785 | * The device is nonfunctional from now on. |
| 1786 | * Restarting would result in this panic to trigger again, |
| 1787 | * so we avoid that recursion. */ |
| 1788 | break; |
| 1789 | case B43_FWPANIC_RESTART: |
| 1790 | b43_controller_restart(dev, "Microcode panic"); |
| 1791 | break; |
| 1792 | } |
| 1793 | } |
| 1794 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1795 | static void handle_irq_ucode_debug(struct b43_wldev *dev) |
| 1796 | { |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1797 | unsigned int i, cnt; |
Michael Buesch | 53c0685 | 2008-05-20 00:24:36 +0200 | [diff] [blame] | 1798 | u16 reason, marker_id, marker_line; |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1799 | __le16 *buf; |
| 1800 | |
| 1801 | /* The proprietary firmware doesn't have this IRQ. */ |
| 1802 | if (!dev->fw.opensource) |
| 1803 | return; |
| 1804 | |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1805 | /* Read the register that contains the reason code for this IRQ. */ |
| 1806 | reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_DEBUGIRQ_REASON_REG); |
| 1807 | |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1808 | switch (reason) { |
| 1809 | case B43_DEBUGIRQ_PANIC: |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1810 | b43_handle_firmware_panic(dev); |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1811 | break; |
| 1812 | case B43_DEBUGIRQ_DUMP_SHM: |
| 1813 | if (!B43_DEBUG) |
| 1814 | break; /* Only with driver debugging enabled. */ |
| 1815 | buf = kmalloc(4096, GFP_ATOMIC); |
| 1816 | if (!buf) { |
| 1817 | b43dbg(dev->wl, "SHM-dump: Failed to allocate memory\n"); |
| 1818 | goto out; |
| 1819 | } |
| 1820 | for (i = 0; i < 4096; i += 2) { |
| 1821 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, i); |
| 1822 | buf[i / 2] = cpu_to_le16(tmp); |
| 1823 | } |
| 1824 | b43info(dev->wl, "Shared memory dump:\n"); |
| 1825 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, |
| 1826 | 16, 2, buf, 4096, 1); |
| 1827 | kfree(buf); |
| 1828 | break; |
| 1829 | case B43_DEBUGIRQ_DUMP_REGS: |
| 1830 | if (!B43_DEBUG) |
| 1831 | break; /* Only with driver debugging enabled. */ |
| 1832 | b43info(dev->wl, "Microcode register dump:\n"); |
| 1833 | for (i = 0, cnt = 0; i < 64; i++) { |
| 1834 | u16 tmp = b43_shm_read16(dev, B43_SHM_SCRATCH, i); |
| 1835 | if (cnt == 0) |
| 1836 | printk(KERN_INFO); |
| 1837 | printk("r%02u: 0x%04X ", i, tmp); |
| 1838 | cnt++; |
| 1839 | if (cnt == 6) { |
| 1840 | printk("\n"); |
| 1841 | cnt = 0; |
| 1842 | } |
| 1843 | } |
| 1844 | printk("\n"); |
| 1845 | break; |
Michael Buesch | 53c0685 | 2008-05-20 00:24:36 +0200 | [diff] [blame] | 1846 | case B43_DEBUGIRQ_MARKER: |
| 1847 | if (!B43_DEBUG) |
| 1848 | break; /* Only with driver debugging enabled. */ |
| 1849 | marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH, |
| 1850 | B43_MARKER_ID_REG); |
| 1851 | marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH, |
| 1852 | B43_MARKER_LINE_REG); |
| 1853 | b43info(dev->wl, "The firmware just executed the MARKER(%u) " |
| 1854 | "at line number %u\n", |
| 1855 | marker_id, marker_line); |
| 1856 | break; |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1857 | default: |
| 1858 | b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n", |
| 1859 | reason); |
| 1860 | } |
| 1861 | out: |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1862 | /* Acknowledge the debug-IRQ, so the firmware can continue. */ |
| 1863 | b43_shm_write16(dev, B43_SHM_SCRATCH, |
| 1864 | B43_DEBUGIRQ_REASON_REG, B43_DEBUGIRQ_ACK); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1865 | } |
| 1866 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1867 | static void b43_do_interrupt_thread(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1868 | { |
| 1869 | u32 reason; |
| 1870 | u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; |
| 1871 | u32 merged_dma_reason = 0; |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1872 | int i; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1873 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1874 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) |
| 1875 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1876 | |
| 1877 | reason = dev->irq_reason; |
| 1878 | for (i = 0; i < ARRAY_SIZE(dma_reason); i++) { |
| 1879 | dma_reason[i] = dev->dma_reason[i]; |
| 1880 | merged_dma_reason |= dma_reason[i]; |
| 1881 | } |
| 1882 | |
| 1883 | if (unlikely(reason & B43_IRQ_MAC_TXERR)) |
| 1884 | b43err(dev->wl, "MAC transmission error\n"); |
| 1885 | |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 1886 | if (unlikely(reason & B43_IRQ_PHY_TXERR)) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1887 | b43err(dev->wl, "PHY transmission error\n"); |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 1888 | rmb(); |
| 1889 | if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) { |
| 1890 | atomic_set(&dev->phy.txerr_cnt, |
| 1891 | B43_PHY_TX_BADNESS_LIMIT); |
| 1892 | b43err(dev->wl, "Too many PHY TX errors, " |
| 1893 | "restarting the controller\n"); |
| 1894 | b43_controller_restart(dev, "PHY TX errors"); |
| 1895 | } |
| 1896 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1897 | |
| 1898 | if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK | |
| 1899 | B43_DMAIRQ_NONFATALMASK))) { |
| 1900 | if (merged_dma_reason & B43_DMAIRQ_FATALMASK) { |
| 1901 | b43err(dev->wl, "Fatal DMA error: " |
| 1902 | "0x%08X, 0x%08X, 0x%08X, " |
| 1903 | "0x%08X, 0x%08X, 0x%08X\n", |
| 1904 | dma_reason[0], dma_reason[1], |
| 1905 | dma_reason[2], dma_reason[3], |
| 1906 | dma_reason[4], dma_reason[5]); |
Larry Finger | 214ac9a | 2009-12-09 13:25:56 -0600 | [diff] [blame] | 1907 | b43err(dev->wl, "This device does not support DMA " |
Larry Finger | bb64d95 | 2010-06-19 08:29:08 -0500 | [diff] [blame] | 1908 | "on your system. It will now be switched to PIO.\n"); |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 1909 | /* Fall back to PIO transfers if we get fatal DMA errors! */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 1910 | dev->use_pio = true; |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 1911 | b43_controller_restart(dev, "DMA error"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1912 | return; |
| 1913 | } |
| 1914 | if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) { |
| 1915 | b43err(dev->wl, "DMA error: " |
| 1916 | "0x%08X, 0x%08X, 0x%08X, " |
| 1917 | "0x%08X, 0x%08X, 0x%08X\n", |
| 1918 | dma_reason[0], dma_reason[1], |
| 1919 | dma_reason[2], dma_reason[3], |
| 1920 | dma_reason[4], dma_reason[5]); |
| 1921 | } |
| 1922 | } |
| 1923 | |
| 1924 | if (unlikely(reason & B43_IRQ_UCODE_DEBUG)) |
| 1925 | handle_irq_ucode_debug(dev); |
| 1926 | if (reason & B43_IRQ_TBTT_INDI) |
| 1927 | handle_irq_tbtt_indication(dev); |
| 1928 | if (reason & B43_IRQ_ATIM_END) |
| 1929 | handle_irq_atim_end(dev); |
| 1930 | if (reason & B43_IRQ_BEACON) |
| 1931 | handle_irq_beacon(dev); |
| 1932 | if (reason & B43_IRQ_PMQ) |
| 1933 | handle_irq_pmq(dev); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1934 | if (reason & B43_IRQ_TXFIFO_FLUSH_OK) |
| 1935 | ;/* TODO */ |
| 1936 | if (reason & B43_IRQ_NOISESAMPLE_OK) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1937 | handle_irq_noise(dev); |
| 1938 | |
| 1939 | /* Check the DMA reason registers for received data. */ |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 1940 | if (dma_reason[0] & B43_DMAIRQ_RX_DONE) { |
| 1941 | if (b43_using_pio_transfers(dev)) |
| 1942 | b43_pio_rx(dev->pio.rx_queue); |
| 1943 | else |
| 1944 | b43_dma_rx(dev->dma.rx_ring); |
| 1945 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1946 | B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE); |
| 1947 | B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE); |
Michael Buesch | b27faf8 | 2008-03-06 16:32:46 +0100 | [diff] [blame] | 1948 | B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1949 | B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE); |
| 1950 | B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE); |
| 1951 | |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1952 | if (reason & B43_IRQ_TX_OK) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1953 | handle_irq_transmit_status(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1954 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1955 | /* Re-enable interrupts on the device by restoring the current interrupt mask. */ |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1956 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
Michael Buesch | 990b86f | 2009-09-12 00:48:03 +0200 | [diff] [blame] | 1957 | |
| 1958 | #if B43_DEBUG |
| 1959 | if (b43_debug(dev, B43_DBG_VERBOSESTATS)) { |
| 1960 | dev->irq_count++; |
| 1961 | for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) { |
| 1962 | if (reason & (1 << i)) |
| 1963 | dev->irq_bit_count[i]++; |
| 1964 | } |
| 1965 | } |
| 1966 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1967 | } |
| 1968 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1969 | /* Interrupt thread handler. Handles device interrupts in thread context. */ |
| 1970 | static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1971 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1972 | struct b43_wldev *dev = dev_id; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1973 | |
| 1974 | mutex_lock(&dev->wl->mutex); |
| 1975 | b43_do_interrupt_thread(dev); |
| 1976 | mmiowb(); |
| 1977 | mutex_unlock(&dev->wl->mutex); |
| 1978 | |
| 1979 | return IRQ_HANDLED; |
| 1980 | } |
| 1981 | |
| 1982 | static irqreturn_t b43_do_interrupt(struct b43_wldev *dev) |
| 1983 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1984 | u32 reason; |
| 1985 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1986 | /* This code runs under wl->hardirq_lock, but _only_ on non-SDIO busses. |
| 1987 | * On SDIO, this runs under wl->mutex. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1988 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1989 | reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 1990 | if (reason == 0xffffffff) /* shared IRQ */ |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1991 | return IRQ_NONE; |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1992 | reason &= dev->irq_mask; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1993 | if (!reason) |
Sebastian Andrzej Siewior | cae5614 | 2011-07-07 21:58:10 +0200 | [diff] [blame] | 1994 | return IRQ_NONE; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1995 | |
| 1996 | dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON) |
| 1997 | & 0x0001DC00; |
| 1998 | dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON) |
| 1999 | & 0x0000DC00; |
| 2000 | dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON) |
| 2001 | & 0x0000DC00; |
| 2002 | dev->dma_reason[3] = b43_read32(dev, B43_MMIO_DMA3_REASON) |
| 2003 | & 0x0001DC00; |
| 2004 | dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON) |
| 2005 | & 0x0000DC00; |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 2006 | /* Unused ring |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2007 | dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON) |
| 2008 | & 0x0000DC00; |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 2009 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2010 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 2011 | /* ACK the interrupt. */ |
| 2012 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason); |
| 2013 | b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]); |
| 2014 | b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]); |
| 2015 | b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]); |
| 2016 | b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]); |
| 2017 | b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]); |
| 2018 | /* Unused ring |
| 2019 | b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]); |
| 2020 | */ |
| 2021 | |
| 2022 | /* Disable IRQs on the device. The IRQ thread handler will re-enable them. */ |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 2023 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 2024 | /* Save the reason bitmasks for the IRQ thread handler. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2025 | dev->irq_reason = reason; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 2026 | |
| 2027 | return IRQ_WAKE_THREAD; |
| 2028 | } |
| 2029 | |
| 2030 | /* Interrupt handler top-half. This runs with interrupts disabled. */ |
| 2031 | static irqreturn_t b43_interrupt_handler(int irq, void *dev_id) |
| 2032 | { |
| 2033 | struct b43_wldev *dev = dev_id; |
| 2034 | irqreturn_t ret; |
| 2035 | |
| 2036 | if (unlikely(b43_status(dev) < B43_STAT_STARTED)) |
| 2037 | return IRQ_NONE; |
| 2038 | |
| 2039 | spin_lock(&dev->wl->hardirq_lock); |
| 2040 | ret = b43_do_interrupt(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2041 | mmiowb(); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 2042 | spin_unlock(&dev->wl->hardirq_lock); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2043 | |
| 2044 | return ret; |
| 2045 | } |
| 2046 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 2047 | /* SDIO interrupt handler. This runs in process context. */ |
| 2048 | static void b43_sdio_interrupt_handler(struct b43_wldev *dev) |
| 2049 | { |
| 2050 | struct b43_wl *wl = dev->wl; |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 2051 | irqreturn_t ret; |
| 2052 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 2053 | mutex_lock(&wl->mutex); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 2054 | |
| 2055 | ret = b43_do_interrupt(dev); |
| 2056 | if (ret == IRQ_WAKE_THREAD) |
| 2057 | b43_do_interrupt_thread(dev); |
| 2058 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 2059 | mutex_unlock(&wl->mutex); |
| 2060 | } |
| 2061 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2062 | void b43_do_release_fw(struct b43_firmware_file *fw) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2063 | { |
| 2064 | release_firmware(fw->data); |
| 2065 | fw->data = NULL; |
| 2066 | fw->filename = NULL; |
| 2067 | } |
| 2068 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2069 | static void b43_release_firmware(struct b43_wldev *dev) |
| 2070 | { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2071 | b43_do_release_fw(&dev->fw.ucode); |
| 2072 | b43_do_release_fw(&dev->fw.pcm); |
| 2073 | b43_do_release_fw(&dev->fw.initvals); |
| 2074 | b43_do_release_fw(&dev->fw.initvals_band); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2075 | } |
| 2076 | |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2077 | static void b43_print_fw_helptext(struct b43_wl *wl, bool error) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2078 | { |
Hannes Eder | fc68ed4 | 2009-02-14 11:50:06 +0000 | [diff] [blame] | 2079 | const char text[] = |
| 2080 | "You must go to " \ |
| 2081 | "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \ |
| 2082 | "and download the correct firmware for this driver version. " \ |
| 2083 | "Please carefully read all instructions on this website.\n"; |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2084 | |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2085 | if (error) |
| 2086 | b43err(wl, text); |
| 2087 | else |
| 2088 | b43warn(wl, text); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2089 | } |
| 2090 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2091 | int b43_do_request_fw(struct b43_request_fw_context *ctx, |
| 2092 | const char *name, |
| 2093 | struct b43_firmware_file *fw) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2094 | { |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2095 | const struct firmware *blob; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2096 | struct b43_fw_header *hdr; |
| 2097 | u32 size; |
| 2098 | int err; |
| 2099 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2100 | if (!name) { |
| 2101 | /* Don't fetch anything. Free possibly cached firmware. */ |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2102 | /* FIXME: We should probably keep it anyway, to save some headache |
| 2103 | * on suspend/resume with multiband devices. */ |
| 2104 | b43_do_release_fw(fw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2105 | return 0; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2106 | } |
| 2107 | if (fw->filename) { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2108 | if ((fw->type == ctx->req_type) && |
| 2109 | (strcmp(fw->filename, name) == 0)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2110 | return 0; /* Already have this fw. */ |
| 2111 | /* Free the cached firmware first. */ |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2112 | /* FIXME: We should probably do this later after we successfully |
| 2113 | * got the new fw. This could reduce headache with multiband devices. |
| 2114 | * We could also redesign this to cache the firmware for all possible |
| 2115 | * bands all the time. */ |
| 2116 | b43_do_release_fw(fw); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2117 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2118 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2119 | switch (ctx->req_type) { |
| 2120 | case B43_FWTYPE_PROPRIETARY: |
| 2121 | snprintf(ctx->fwname, sizeof(ctx->fwname), |
| 2122 | "b43%s/%s.fw", |
| 2123 | modparam_fwpostfix, name); |
| 2124 | break; |
| 2125 | case B43_FWTYPE_OPENSOURCE: |
| 2126 | snprintf(ctx->fwname, sizeof(ctx->fwname), |
| 2127 | "b43-open%s/%s.fw", |
| 2128 | modparam_fwpostfix, name); |
| 2129 | break; |
| 2130 | default: |
| 2131 | B43_WARN_ON(1); |
| 2132 | return -ENOSYS; |
| 2133 | } |
Rafał Miłecki | a18c715 | 2011-05-18 02:06:40 +0200 | [diff] [blame] | 2134 | err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2135 | if (err == -ENOENT) { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2136 | snprintf(ctx->errors[ctx->req_type], |
| 2137 | sizeof(ctx->errors[ctx->req_type]), |
| 2138 | "Firmware file \"%s\" not found\n", ctx->fwname); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2139 | return err; |
| 2140 | } else if (err) { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2141 | snprintf(ctx->errors[ctx->req_type], |
| 2142 | sizeof(ctx->errors[ctx->req_type]), |
| 2143 | "Firmware file \"%s\" request failed (err=%d)\n", |
| 2144 | ctx->fwname, err); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2145 | return err; |
| 2146 | } |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2147 | if (blob->size < sizeof(struct b43_fw_header)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2148 | goto err_format; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2149 | hdr = (struct b43_fw_header *)(blob->data); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2150 | switch (hdr->type) { |
| 2151 | case B43_FW_TYPE_UCODE: |
| 2152 | case B43_FW_TYPE_PCM: |
| 2153 | size = be32_to_cpu(hdr->size); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2154 | if (size != blob->size - sizeof(struct b43_fw_header)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2155 | goto err_format; |
| 2156 | /* fallthrough */ |
| 2157 | case B43_FW_TYPE_IV: |
| 2158 | if (hdr->ver != 1) |
| 2159 | goto err_format; |
| 2160 | break; |
| 2161 | default: |
| 2162 | goto err_format; |
| 2163 | } |
| 2164 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2165 | fw->data = blob; |
| 2166 | fw->filename = name; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2167 | fw->type = ctx->req_type; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2168 | |
| 2169 | return 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2170 | |
| 2171 | err_format: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2172 | snprintf(ctx->errors[ctx->req_type], |
| 2173 | sizeof(ctx->errors[ctx->req_type]), |
| 2174 | "Firmware file \"%s\" format error.\n", ctx->fwname); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2175 | release_firmware(blob); |
| 2176 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2177 | return -EPROTO; |
| 2178 | } |
| 2179 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2180 | static int b43_try_request_fw(struct b43_request_fw_context *ctx) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2181 | { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2182 | struct b43_wldev *dev = ctx->dev; |
| 2183 | struct b43_firmware *fw = &ctx->dev->fw; |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 2184 | const u8 rev = ctx->dev->dev->core_rev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2185 | const char *filename; |
| 2186 | u32 tmshigh; |
| 2187 | int err; |
| 2188 | |
Rafał Miłecki | 8b9bda7 | 2011-07-07 18:58:24 +0200 | [diff] [blame] | 2189 | /* Files for HT and LCN were found by trying one by one */ |
| 2190 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2191 | /* Get microcode */ |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2192 | if ((rev >= 5) && (rev <= 10)) { |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2193 | filename = "ucode5"; |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2194 | } else if ((rev >= 11) && (rev <= 12)) { |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2195 | filename = "ucode11"; |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2196 | } else if (rev == 13) { |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2197 | filename = "ucode13"; |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2198 | } else if (rev == 14) { |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2199 | filename = "ucode14"; |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2200 | } else if (rev == 15) { |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2201 | filename = "ucode15"; |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2202 | } else { |
| 2203 | switch (dev->phy.type) { |
| 2204 | case B43_PHYTYPE_N: |
| 2205 | if (rev >= 16) |
| 2206 | filename = "ucode16_mimo"; |
| 2207 | else |
| 2208 | goto err_no_ucode; |
| 2209 | break; |
Rafał Miłecki | 8b9bda7 | 2011-07-07 18:58:24 +0200 | [diff] [blame] | 2210 | case B43_PHYTYPE_HT: |
| 2211 | if (rev == 29) |
| 2212 | filename = "ucode29_mimo"; |
| 2213 | else |
| 2214 | goto err_no_ucode; |
| 2215 | break; |
| 2216 | case B43_PHYTYPE_LCN: |
| 2217 | if (rev == 24) |
| 2218 | filename = "ucode24_mimo"; |
| 2219 | else |
| 2220 | goto err_no_ucode; |
| 2221 | break; |
Rafał Miłecki | 6ff1e5c | 2011-07-06 17:41:55 +0200 | [diff] [blame] | 2222 | default: |
| 2223 | goto err_no_ucode; |
| 2224 | } |
| 2225 | } |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2226 | err = b43_do_request_fw(ctx, filename, &fw->ucode); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2227 | if (err) |
| 2228 | goto err_load; |
| 2229 | |
| 2230 | /* Get PCM code */ |
| 2231 | if ((rev >= 5) && (rev <= 10)) |
| 2232 | filename = "pcm5"; |
| 2233 | else if (rev >= 11) |
| 2234 | filename = NULL; |
| 2235 | else |
| 2236 | goto err_no_pcm; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 2237 | fw->pcm_request_failed = false; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2238 | err = b43_do_request_fw(ctx, filename, &fw->pcm); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2239 | if (err == -ENOENT) { |
| 2240 | /* We did not find a PCM file? Not fatal, but |
| 2241 | * core rev <= 10 must do without hwcrypto then. */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 2242 | fw->pcm_request_failed = true; |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2243 | } else if (err) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2244 | goto err_load; |
| 2245 | |
| 2246 | /* Get initvals */ |
| 2247 | switch (dev->phy.type) { |
| 2248 | case B43_PHYTYPE_A: |
| 2249 | if ((rev >= 5) && (rev <= 10)) { |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 2250 | tmshigh = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2251 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
| 2252 | filename = "a0g1initvals5"; |
| 2253 | else |
| 2254 | filename = "a0g0initvals5"; |
| 2255 | } else |
| 2256 | goto err_no_initvals; |
| 2257 | break; |
| 2258 | case B43_PHYTYPE_G: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2259 | if ((rev >= 5) && (rev <= 10)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2260 | filename = "b0g0initvals5"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2261 | else if (rev >= 13) |
Larry.Finger@lwfinger.net | e930488 | 2008-05-15 14:07:36 -0500 | [diff] [blame] | 2262 | filename = "b0g0initvals13"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2263 | else |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2264 | goto err_no_initvals; |
| 2265 | break; |
| 2266 | case B43_PHYTYPE_N: |
Rafał Miłecki | e41596a | 2010-12-21 11:50:19 +0100 | [diff] [blame] | 2267 | if (rev >= 16) |
| 2268 | filename = "n0initvals16"; |
| 2269 | else if ((rev >= 11) && (rev <= 12)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2270 | filename = "n0initvals11"; |
| 2271 | else |
| 2272 | goto err_no_initvals; |
| 2273 | break; |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2274 | case B43_PHYTYPE_LP: |
| 2275 | if (rev == 13) |
| 2276 | filename = "lp0initvals13"; |
| 2277 | else if (rev == 14) |
| 2278 | filename = "lp0initvals14"; |
| 2279 | else if (rev >= 15) |
| 2280 | filename = "lp0initvals15"; |
| 2281 | else |
| 2282 | goto err_no_initvals; |
| 2283 | break; |
Rafał Miłecki | 8b9bda7 | 2011-07-07 18:58:24 +0200 | [diff] [blame] | 2284 | case B43_PHYTYPE_HT: |
| 2285 | if (rev == 29) |
| 2286 | filename = "ht0initvals29"; |
| 2287 | else |
| 2288 | goto err_no_initvals; |
| 2289 | break; |
| 2290 | case B43_PHYTYPE_LCN: |
| 2291 | if (rev == 24) |
| 2292 | filename = "lcn0initvals24"; |
| 2293 | else |
| 2294 | goto err_no_initvals; |
| 2295 | break; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2296 | default: |
| 2297 | goto err_no_initvals; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2298 | } |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2299 | err = b43_do_request_fw(ctx, filename, &fw->initvals); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2300 | if (err) |
| 2301 | goto err_load; |
| 2302 | |
| 2303 | /* Get bandswitch initvals */ |
| 2304 | switch (dev->phy.type) { |
| 2305 | case B43_PHYTYPE_A: |
| 2306 | if ((rev >= 5) && (rev <= 10)) { |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 2307 | tmshigh = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2308 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
| 2309 | filename = "a0g1bsinitvals5"; |
| 2310 | else |
| 2311 | filename = "a0g0bsinitvals5"; |
| 2312 | } else if (rev >= 11) |
| 2313 | filename = NULL; |
| 2314 | else |
| 2315 | goto err_no_initvals; |
| 2316 | break; |
| 2317 | case B43_PHYTYPE_G: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2318 | if ((rev >= 5) && (rev <= 10)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2319 | filename = "b0g0bsinitvals5"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2320 | else if (rev >= 11) |
| 2321 | filename = NULL; |
| 2322 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2323 | goto err_no_initvals; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2324 | break; |
| 2325 | case B43_PHYTYPE_N: |
Rafał Miłecki | e41596a | 2010-12-21 11:50:19 +0100 | [diff] [blame] | 2326 | if (rev >= 16) |
| 2327 | filename = "n0bsinitvals16"; |
| 2328 | else if ((rev >= 11) && (rev <= 12)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2329 | filename = "n0bsinitvals11"; |
| 2330 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2331 | goto err_no_initvals; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2332 | break; |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2333 | case B43_PHYTYPE_LP: |
| 2334 | if (rev == 13) |
| 2335 | filename = "lp0bsinitvals13"; |
| 2336 | else if (rev == 14) |
| 2337 | filename = "lp0bsinitvals14"; |
| 2338 | else if (rev >= 15) |
| 2339 | filename = "lp0bsinitvals15"; |
| 2340 | else |
| 2341 | goto err_no_initvals; |
| 2342 | break; |
Rafał Miłecki | 8b9bda7 | 2011-07-07 18:58:24 +0200 | [diff] [blame] | 2343 | case B43_PHYTYPE_HT: |
| 2344 | if (rev == 29) |
| 2345 | filename = "ht0bsinitvals29"; |
| 2346 | else |
| 2347 | goto err_no_initvals; |
| 2348 | break; |
| 2349 | case B43_PHYTYPE_LCN: |
| 2350 | if (rev == 24) |
| 2351 | filename = "lcn0bsinitvals24"; |
| 2352 | else |
| 2353 | goto err_no_initvals; |
| 2354 | break; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2355 | default: |
| 2356 | goto err_no_initvals; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2357 | } |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2358 | err = b43_do_request_fw(ctx, filename, &fw->initvals_band); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2359 | if (err) |
| 2360 | goto err_load; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2361 | |
| 2362 | return 0; |
| 2363 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2364 | err_no_ucode: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2365 | err = ctx->fatal_failure = -EOPNOTSUPP; |
| 2366 | b43err(dev->wl, "The driver does not know which firmware (ucode) " |
| 2367 | "is required for your device (wl-core rev %u)\n", rev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2368 | goto error; |
| 2369 | |
| 2370 | err_no_pcm: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2371 | err = ctx->fatal_failure = -EOPNOTSUPP; |
| 2372 | b43err(dev->wl, "The driver does not know which firmware (PCM) " |
| 2373 | "is required for your device (wl-core rev %u)\n", rev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2374 | goto error; |
| 2375 | |
| 2376 | err_no_initvals: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2377 | err = ctx->fatal_failure = -EOPNOTSUPP; |
| 2378 | b43err(dev->wl, "The driver does not know which firmware (initvals) " |
| 2379 | "is required for your device (wl-core rev %u)\n", rev); |
| 2380 | goto error; |
| 2381 | |
| 2382 | err_load: |
| 2383 | /* We failed to load this firmware image. The error message |
| 2384 | * already is in ctx->errors. Return and let our caller decide |
| 2385 | * what to do. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2386 | goto error; |
| 2387 | |
| 2388 | error: |
| 2389 | b43_release_firmware(dev); |
| 2390 | return err; |
| 2391 | } |
| 2392 | |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2393 | static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl); |
| 2394 | static void b43_one_core_detach(struct b43_bus_dev *dev); |
| 2395 | |
| 2396 | static void b43_request_firmware(struct work_struct *work) |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2397 | { |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2398 | struct b43_wl *wl = container_of(work, |
| 2399 | struct b43_wl, firmware_load); |
| 2400 | struct b43_wldev *dev = wl->current_dev; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2401 | struct b43_request_fw_context *ctx; |
| 2402 | unsigned int i; |
| 2403 | int err; |
| 2404 | const char *errmsg; |
| 2405 | |
| 2406 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
| 2407 | if (!ctx) |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2408 | return; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2409 | ctx->dev = dev; |
| 2410 | |
| 2411 | ctx->req_type = B43_FWTYPE_PROPRIETARY; |
| 2412 | err = b43_try_request_fw(ctx); |
| 2413 | if (!err) |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2414 | goto start_ieee80211; /* Successfully loaded it. */ |
| 2415 | /* Was fw version known? */ |
| 2416 | if (ctx->fatal_failure) |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2417 | goto out; |
| 2418 | |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2419 | /* proprietary fw not found, try open source */ |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2420 | ctx->req_type = B43_FWTYPE_OPENSOURCE; |
| 2421 | err = b43_try_request_fw(ctx); |
| 2422 | if (!err) |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2423 | goto start_ieee80211; /* Successfully loaded it. */ |
| 2424 | if(ctx->fatal_failure) |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2425 | goto out; |
| 2426 | |
| 2427 | /* Could not find a usable firmware. Print the errors. */ |
| 2428 | for (i = 0; i < B43_NR_FWTYPES; i++) { |
| 2429 | errmsg = ctx->errors[i]; |
| 2430 | if (strlen(errmsg)) |
| 2431 | b43err(dev->wl, errmsg); |
| 2432 | } |
| 2433 | b43_print_fw_helptext(dev->wl, 1); |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 2434 | goto out; |
| 2435 | |
| 2436 | start_ieee80211: |
| 2437 | err = ieee80211_register_hw(wl->hw); |
| 2438 | if (err) |
| 2439 | goto err_one_core_detach; |
| 2440 | b43_leds_register(wl->current_dev); |
| 2441 | goto out; |
| 2442 | |
| 2443 | err_one_core_detach: |
| 2444 | b43_one_core_detach(dev->dev); |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2445 | |
| 2446 | out: |
| 2447 | kfree(ctx); |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2448 | } |
| 2449 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2450 | static int b43_upload_microcode(struct b43_wldev *dev) |
| 2451 | { |
John W. Linville | 652caa5 | 2010-07-29 13:27:28 -0400 | [diff] [blame] | 2452 | struct wiphy *wiphy = dev->wl->hw->wiphy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2453 | const size_t hdr_len = sizeof(struct b43_fw_header); |
| 2454 | const __be32 *data; |
| 2455 | unsigned int i, len; |
| 2456 | u16 fwrev, fwpatch, fwdate, fwtime; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2457 | u32 tmp, macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2458 | int err = 0; |
| 2459 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2460 | /* Jump the microcode PSM to offset 0 */ |
| 2461 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2462 | B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN); |
| 2463 | macctl |= B43_MACCTL_PSM_JMP0; |
| 2464 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 2465 | /* Zero out all microcode PSM registers and shared memory. */ |
| 2466 | for (i = 0; i < 64; i++) |
| 2467 | b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0); |
| 2468 | for (i = 0; i < 4096; i += 2) |
| 2469 | b43_shm_write16(dev, B43_SHM_SHARED, i, 0); |
| 2470 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2471 | /* Upload Microcode. */ |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2472 | data = (__be32 *) (dev->fw.ucode.data->data + hdr_len); |
| 2473 | len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2474 | b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000); |
| 2475 | for (i = 0; i < len; i++) { |
| 2476 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); |
| 2477 | udelay(10); |
| 2478 | } |
| 2479 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2480 | if (dev->fw.pcm.data) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2481 | /* Upload PCM data. */ |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2482 | data = (__be32 *) (dev->fw.pcm.data->data + hdr_len); |
| 2483 | len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2484 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EA); |
| 2485 | b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000); |
| 2486 | /* No need for autoinc bit in SHM_HW */ |
| 2487 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EB); |
| 2488 | for (i = 0; i < len; i++) { |
| 2489 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); |
| 2490 | udelay(10); |
| 2491 | } |
| 2492 | } |
| 2493 | |
| 2494 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL); |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2495 | |
| 2496 | /* Start the microcode PSM */ |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 2497 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_JMP0, |
| 2498 | B43_MACCTL_PSM_RUN); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2499 | |
| 2500 | /* Wait for the microcode to load and respond */ |
| 2501 | i = 0; |
| 2502 | while (1) { |
| 2503 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2504 | if (tmp == B43_IRQ_MAC_SUSPENDED) |
| 2505 | break; |
| 2506 | i++; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2507 | if (i >= 20) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2508 | b43err(dev->wl, "Microcode not responding\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2509 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2510 | err = -ENODEV; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2511 | goto error; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2512 | } |
Michael Buesch | e175e99 | 2009-09-11 18:31:32 +0200 | [diff] [blame] | 2513 | msleep(50); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2514 | } |
| 2515 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */ |
| 2516 | |
| 2517 | /* Get and check the revisions. */ |
| 2518 | fwrev = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEREV); |
| 2519 | fwpatch = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEPATCH); |
| 2520 | fwdate = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEDATE); |
| 2521 | fwtime = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODETIME); |
| 2522 | |
| 2523 | if (fwrev <= 0x128) { |
| 2524 | b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from " |
| 2525 | "binary drivers older than version 4.x is unsupported. " |
| 2526 | "You must upgrade your firmware files.\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2527 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2528 | err = -EOPNOTSUPP; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2529 | goto error; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2530 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2531 | dev->fw.rev = fwrev; |
| 2532 | dev->fw.patch = fwpatch; |
Rafał Miłecki | 5d85290 | 2011-08-11 15:07:16 +0200 | [diff] [blame] | 2533 | if (dev->fw.rev >= 598) |
| 2534 | dev->fw.hdr_format = B43_FW_HDR_598; |
| 2535 | else if (dev->fw.rev >= 410) |
Rafał Miłecki | efe0249 | 2011-08-11 15:07:15 +0200 | [diff] [blame] | 2536 | dev->fw.hdr_format = B43_FW_HDR_410; |
| 2537 | else |
| 2538 | dev->fw.hdr_format = B43_FW_HDR_351; |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2539 | dev->fw.opensource = (fwdate == 0xFFFF); |
| 2540 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2541 | /* Default to use-all-queues. */ |
| 2542 | dev->wl->hw->queues = dev->wl->mac80211_initially_registered_queues; |
| 2543 | dev->qos_enabled = !!modparam_qos; |
| 2544 | /* Default to firmware/hardware crypto acceleration. */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 2545 | dev->hwcrypto_enabled = true; |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2546 | |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2547 | if (dev->fw.opensource) { |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2548 | u16 fwcapa; |
| 2549 | |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2550 | /* Patchlevel info is encoded in the "time" field. */ |
| 2551 | dev->fw.patch = fwtime; |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2552 | b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n", |
| 2553 | dev->fw.rev, dev->fw.patch); |
| 2554 | |
| 2555 | fwcapa = b43_fwcapa_read(dev); |
| 2556 | if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) { |
| 2557 | b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n"); |
| 2558 | /* Disable hardware crypto and fall back to software crypto. */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 2559 | dev->hwcrypto_enabled = false; |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2560 | } |
| 2561 | if (!(fwcapa & B43_FWCAPA_QOS)) { |
| 2562 | b43info(dev->wl, "QoS not supported by firmware\n"); |
| 2563 | /* Disable QoS. Tweak hw->queues to 1. It will be restored before |
| 2564 | * ieee80211_unregister to make sure the networking core can |
| 2565 | * properly free possible resources. */ |
| 2566 | dev->wl->hw->queues = 1; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 2567 | dev->qos_enabled = false; |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2568 | } |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2569 | } else { |
| 2570 | b43info(dev->wl, "Loading firmware version %u.%u " |
| 2571 | "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", |
| 2572 | fwrev, fwpatch, |
| 2573 | (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, |
| 2574 | (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2575 | if (dev->fw.pcm_request_failed) { |
| 2576 | b43warn(dev->wl, "No \"pcm5.fw\" firmware file found. " |
| 2577 | "Hardware accelerated cryptography is disabled.\n"); |
| 2578 | b43_print_fw_helptext(dev->wl, 0); |
| 2579 | } |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2580 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2581 | |
John W. Linville | 652caa5 | 2010-07-29 13:27:28 -0400 | [diff] [blame] | 2582 | snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "%u.%u", |
| 2583 | dev->fw.rev, dev->fw.patch); |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 2584 | wiphy->hw_version = dev->dev->core_id; |
John W. Linville | 652caa5 | 2010-07-29 13:27:28 -0400 | [diff] [blame] | 2585 | |
Rafał Miłecki | efe0249 | 2011-08-11 15:07:15 +0200 | [diff] [blame] | 2586 | if (dev->fw.hdr_format == B43_FW_HDR_351) { |
Michael Buesch | c557289 | 2008-12-27 18:26:39 +0100 | [diff] [blame] | 2587 | /* We're over the deadline, but we keep support for old fw |
| 2588 | * until it turns out to be in major conflict with something new. */ |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2589 | b43warn(dev->wl, "You are using an old firmware image. " |
Michael Buesch | c557289 | 2008-12-27 18:26:39 +0100 | [diff] [blame] | 2590 | "Support for old firmware will be removed soon " |
| 2591 | "(official deadline was July 2008).\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2592 | b43_print_fw_helptext(dev->wl, 0); |
| 2593 | } |
| 2594 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2595 | return 0; |
| 2596 | |
| 2597 | error: |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 2598 | /* Stop the microcode PSM. */ |
| 2599 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN, |
| 2600 | B43_MACCTL_PSM_JMP0); |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2601 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2602 | return err; |
| 2603 | } |
| 2604 | |
| 2605 | static int b43_write_initvals(struct b43_wldev *dev, |
| 2606 | const struct b43_iv *ivals, |
| 2607 | size_t count, |
| 2608 | size_t array_size) |
| 2609 | { |
| 2610 | const struct b43_iv *iv; |
| 2611 | u16 offset; |
| 2612 | size_t i; |
| 2613 | bool bit32; |
| 2614 | |
| 2615 | BUILD_BUG_ON(sizeof(struct b43_iv) != 6); |
| 2616 | iv = ivals; |
| 2617 | for (i = 0; i < count; i++) { |
| 2618 | if (array_size < sizeof(iv->offset_size)) |
| 2619 | goto err_format; |
| 2620 | array_size -= sizeof(iv->offset_size); |
| 2621 | offset = be16_to_cpu(iv->offset_size); |
| 2622 | bit32 = !!(offset & B43_IV_32BIT); |
| 2623 | offset &= B43_IV_OFFSET_MASK; |
| 2624 | if (offset >= 0x1000) |
| 2625 | goto err_format; |
| 2626 | if (bit32) { |
| 2627 | u32 value; |
| 2628 | |
| 2629 | if (array_size < sizeof(iv->data.d32)) |
| 2630 | goto err_format; |
| 2631 | array_size -= sizeof(iv->data.d32); |
| 2632 | |
Harvey Harrison | 533dd1b | 2008-04-29 01:03:36 -0700 | [diff] [blame] | 2633 | value = get_unaligned_be32(&iv->data.d32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2634 | b43_write32(dev, offset, value); |
| 2635 | |
| 2636 | iv = (const struct b43_iv *)((const uint8_t *)iv + |
| 2637 | sizeof(__be16) + |
| 2638 | sizeof(__be32)); |
| 2639 | } else { |
| 2640 | u16 value; |
| 2641 | |
| 2642 | if (array_size < sizeof(iv->data.d16)) |
| 2643 | goto err_format; |
| 2644 | array_size -= sizeof(iv->data.d16); |
| 2645 | |
| 2646 | value = be16_to_cpu(iv->data.d16); |
| 2647 | b43_write16(dev, offset, value); |
| 2648 | |
| 2649 | iv = (const struct b43_iv *)((const uint8_t *)iv + |
| 2650 | sizeof(__be16) + |
| 2651 | sizeof(__be16)); |
| 2652 | } |
| 2653 | } |
| 2654 | if (array_size) |
| 2655 | goto err_format; |
| 2656 | |
| 2657 | return 0; |
| 2658 | |
| 2659 | err_format: |
| 2660 | b43err(dev->wl, "Initial Values Firmware file-format error.\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2661 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2662 | |
| 2663 | return -EPROTO; |
| 2664 | } |
| 2665 | |
| 2666 | static int b43_upload_initvals(struct b43_wldev *dev) |
| 2667 | { |
| 2668 | const size_t hdr_len = sizeof(struct b43_fw_header); |
| 2669 | const struct b43_fw_header *hdr; |
| 2670 | struct b43_firmware *fw = &dev->fw; |
| 2671 | const struct b43_iv *ivals; |
| 2672 | size_t count; |
| 2673 | int err; |
| 2674 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2675 | hdr = (const struct b43_fw_header *)(fw->initvals.data->data); |
| 2676 | ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2677 | count = be32_to_cpu(hdr->size); |
| 2678 | err = b43_write_initvals(dev, ivals, count, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2679 | fw->initvals.data->size - hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2680 | if (err) |
| 2681 | goto out; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2682 | if (fw->initvals_band.data) { |
| 2683 | hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data); |
| 2684 | ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2685 | count = be32_to_cpu(hdr->size); |
| 2686 | err = b43_write_initvals(dev, ivals, count, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2687 | fw->initvals_band.data->size - hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2688 | if (err) |
| 2689 | goto out; |
| 2690 | } |
| 2691 | out: |
| 2692 | |
| 2693 | return err; |
| 2694 | } |
| 2695 | |
| 2696 | /* Initialize the GPIOs |
| 2697 | * http://bcm-specs.sipsolutions.net/GPIO |
| 2698 | */ |
Rafał Miłecki | c4a2a08 | 2011-05-17 18:57:27 +0200 | [diff] [blame] | 2699 | static struct ssb_device *b43_ssb_gpio_dev(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2700 | { |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 2701 | struct ssb_bus *bus = dev->dev->sdev->bus; |
Rafał Miłecki | c4a2a08 | 2011-05-17 18:57:27 +0200 | [diff] [blame] | 2702 | |
| 2703 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 2704 | return (bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev); |
| 2705 | #else |
| 2706 | return bus->chipco.dev; |
| 2707 | #endif |
| 2708 | } |
| 2709 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2710 | static int b43_gpio_init(struct b43_wldev *dev) |
| 2711 | { |
Rafał Miłecki | c4a2a08 | 2011-05-17 18:57:27 +0200 | [diff] [blame] | 2712 | struct ssb_device *gpiodev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2713 | u32 mask, set; |
| 2714 | |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 2715 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0); |
| 2716 | b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xF); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2717 | |
| 2718 | mask = 0x0000001F; |
| 2719 | set = 0x0000000F; |
Rafał Miłecki | c244e08 | 2011-05-18 02:06:41 +0200 | [diff] [blame] | 2720 | if (dev->dev->chip_id == 0x4301) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2721 | mask |= 0x0060; |
| 2722 | set |= 0x0060; |
| 2723 | } |
Hauke Mehrtens | 5809802 | 2012-02-28 20:45:06 +0100 | [diff] [blame] | 2724 | if (dev->dev->chip_id == 0x5354) |
| 2725 | set &= 0xff02; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2726 | if (0 /* FIXME: conditional unknown */ ) { |
| 2727 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
| 2728 | b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2729 | | 0x0100); |
| 2730 | mask |= 0x0180; |
| 2731 | set |= 0x0180; |
| 2732 | } |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame] | 2733 | if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2734 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
| 2735 | b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2736 | | 0x0200); |
| 2737 | mask |= 0x0200; |
| 2738 | set |= 0x0200; |
| 2739 | } |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 2740 | if (dev->dev->core_rev >= 2) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2741 | mask |= 0x0010; /* FIXME: This is redundant. */ |
| 2742 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 2743 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 2744 | #ifdef CONFIG_B43_BCMA |
| 2745 | case B43_BUS_BCMA: |
| 2746 | bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL, |
| 2747 | (bcma_cc_read32(&dev->dev->bdev->bus->drv_cc, |
| 2748 | BCMA_CC_GPIOCTL) & mask) | set); |
| 2749 | break; |
| 2750 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 2751 | #ifdef CONFIG_B43_SSB |
| 2752 | case B43_BUS_SSB: |
| 2753 | gpiodev = b43_ssb_gpio_dev(dev); |
| 2754 | if (gpiodev) |
| 2755 | ssb_write32(gpiodev, B43_GPIO_CONTROL, |
| 2756 | (ssb_read32(gpiodev, B43_GPIO_CONTROL) |
| 2757 | & mask) | set); |
| 2758 | break; |
| 2759 | #endif |
| 2760 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2761 | |
| 2762 | return 0; |
| 2763 | } |
| 2764 | |
| 2765 | /* Turn off all GPIO stuff. Call this on module unload, for example. */ |
| 2766 | static void b43_gpio_cleanup(struct b43_wldev *dev) |
| 2767 | { |
Rafał Miłecki | c4a2a08 | 2011-05-17 18:57:27 +0200 | [diff] [blame] | 2768 | struct ssb_device *gpiodev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2769 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 2770 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 2771 | #ifdef CONFIG_B43_BCMA |
| 2772 | case B43_BUS_BCMA: |
| 2773 | bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL, |
| 2774 | 0); |
| 2775 | break; |
| 2776 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 2777 | #ifdef CONFIG_B43_SSB |
| 2778 | case B43_BUS_SSB: |
| 2779 | gpiodev = b43_ssb_gpio_dev(dev); |
| 2780 | if (gpiodev) |
| 2781 | ssb_write32(gpiodev, B43_GPIO_CONTROL, 0); |
| 2782 | break; |
| 2783 | #endif |
| 2784 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2785 | } |
| 2786 | |
| 2787 | /* http://bcm-specs.sipsolutions.net/EnableMac */ |
Michael Buesch | f5eda47 | 2008-04-20 16:03:32 +0200 | [diff] [blame] | 2788 | void b43_mac_enable(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2789 | { |
Michael Buesch | 923fd70 | 2008-06-20 18:02:08 +0200 | [diff] [blame] | 2790 | if (b43_debug(dev, B43_DBG_FIRMWARE)) { |
| 2791 | u16 fwstate; |
| 2792 | |
| 2793 | fwstate = b43_shm_read16(dev, B43_SHM_SHARED, |
| 2794 | B43_SHM_SH_UCODESTAT); |
| 2795 | if ((fwstate != B43_SHM_SH_UCODESTAT_SUSP) && |
| 2796 | (fwstate != B43_SHM_SH_UCODESTAT_SLEEP)) { |
| 2797 | b43err(dev->wl, "b43_mac_enable(): The firmware " |
| 2798 | "should be suspended, but current state is %u\n", |
| 2799 | fwstate); |
| 2800 | } |
| 2801 | } |
| 2802 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2803 | dev->mac_suspended--; |
| 2804 | B43_WARN_ON(dev->mac_suspended < 0); |
| 2805 | if (dev->mac_suspended == 0) { |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 2806 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_ENABLED); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2807 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, |
| 2808 | B43_IRQ_MAC_SUSPENDED); |
| 2809 | /* Commit writes */ |
| 2810 | b43_read32(dev, B43_MMIO_MACCTL); |
| 2811 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2812 | b43_power_saving_ctl_bits(dev, 0); |
| 2813 | } |
| 2814 | } |
| 2815 | |
| 2816 | /* http://bcm-specs.sipsolutions.net/SuspendMAC */ |
Michael Buesch | f5eda47 | 2008-04-20 16:03:32 +0200 | [diff] [blame] | 2817 | void b43_mac_suspend(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2818 | { |
| 2819 | int i; |
| 2820 | u32 tmp; |
| 2821 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2822 | might_sleep(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2823 | B43_WARN_ON(dev->mac_suspended < 0); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2824 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2825 | if (dev->mac_suspended == 0) { |
| 2826 | b43_power_saving_ctl_bits(dev, B43_PS_AWAKE); |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 2827 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_ENABLED, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2828 | /* force pci to flush the write */ |
| 2829 | b43_read32(dev, B43_MMIO_MACCTL); |
Michael Buesch | ba38001 | 2008-04-15 21:13:36 +0200 | [diff] [blame] | 2830 | for (i = 35; i; i--) { |
| 2831 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2832 | if (tmp & B43_IRQ_MAC_SUSPENDED) |
| 2833 | goto out; |
| 2834 | udelay(10); |
| 2835 | } |
| 2836 | /* Hm, it seems this will take some time. Use msleep(). */ |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2837 | for (i = 40; i; i--) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2838 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2839 | if (tmp & B43_IRQ_MAC_SUSPENDED) |
| 2840 | goto out; |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2841 | msleep(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2842 | } |
| 2843 | b43err(dev->wl, "MAC suspend failed\n"); |
| 2844 | } |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2845 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2846 | dev->mac_suspended++; |
| 2847 | } |
| 2848 | |
Rafał Miłecki | 858a165 | 2011-05-10 16:05:33 +0200 | [diff] [blame] | 2849 | /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */ |
| 2850 | void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on) |
| 2851 | { |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 2852 | u32 tmp; |
| 2853 | |
| 2854 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 2855 | #ifdef CONFIG_B43_BCMA |
| 2856 | case B43_BUS_BCMA: |
Rafał Miłecki | 3667787 | 2011-07-16 18:27:55 +0200 | [diff] [blame] | 2857 | tmp = bcma_aread32(dev->dev->bdev, BCMA_IOCTL); |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 2858 | if (on) |
| 2859 | tmp |= B43_BCMA_IOCTL_MACPHYCLKEN; |
| 2860 | else |
| 2861 | tmp &= ~B43_BCMA_IOCTL_MACPHYCLKEN; |
Rafał Miłecki | 3667787 | 2011-07-16 18:27:55 +0200 | [diff] [blame] | 2862 | bcma_awrite32(dev->dev->bdev, BCMA_IOCTL, tmp); |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 2863 | break; |
| 2864 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 2865 | #ifdef CONFIG_B43_SSB |
| 2866 | case B43_BUS_SSB: |
| 2867 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); |
| 2868 | if (on) |
| 2869 | tmp |= B43_TMSLOW_MACPHYCLKEN; |
| 2870 | else |
| 2871 | tmp &= ~B43_TMSLOW_MACPHYCLKEN; |
| 2872 | ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); |
| 2873 | break; |
| 2874 | #endif |
| 2875 | } |
Rafał Miłecki | 858a165 | 2011-05-10 16:05:33 +0200 | [diff] [blame] | 2876 | } |
| 2877 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2878 | static void b43_adjust_opmode(struct b43_wldev *dev) |
| 2879 | { |
| 2880 | struct b43_wl *wl = dev->wl; |
| 2881 | u32 ctl; |
| 2882 | u16 cfp_pretbtt; |
| 2883 | |
| 2884 | ctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2885 | /* Reset status to STA infrastructure mode. */ |
| 2886 | ctl &= ~B43_MACCTL_AP; |
| 2887 | ctl &= ~B43_MACCTL_KEEP_CTL; |
| 2888 | ctl &= ~B43_MACCTL_KEEP_BADPLCP; |
| 2889 | ctl &= ~B43_MACCTL_KEEP_BAD; |
| 2890 | ctl &= ~B43_MACCTL_PROMISC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2891 | ctl &= ~B43_MACCTL_BEACPROMISC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2892 | ctl |= B43_MACCTL_INFRA; |
| 2893 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2894 | if (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
| 2895 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2896 | ctl |= B43_MACCTL_AP; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2897 | else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2898 | ctl &= ~B43_MACCTL_INFRA; |
| 2899 | |
| 2900 | if (wl->filter_flags & FIF_CONTROL) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2901 | ctl |= B43_MACCTL_KEEP_CTL; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2902 | if (wl->filter_flags & FIF_FCSFAIL) |
| 2903 | ctl |= B43_MACCTL_KEEP_BAD; |
| 2904 | if (wl->filter_flags & FIF_PLCPFAIL) |
| 2905 | ctl |= B43_MACCTL_KEEP_BADPLCP; |
| 2906 | if (wl->filter_flags & FIF_PROMISC_IN_BSS) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2907 | ctl |= B43_MACCTL_PROMISC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2908 | if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC) |
| 2909 | ctl |= B43_MACCTL_BEACPROMISC; |
| 2910 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2911 | /* Workaround: On old hardware the HW-MAC-address-filter |
| 2912 | * doesn't work properly, so always run promisc in filter |
| 2913 | * it in software. */ |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 2914 | if (dev->dev->core_rev <= 4) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2915 | ctl |= B43_MACCTL_PROMISC; |
| 2916 | |
| 2917 | b43_write32(dev, B43_MMIO_MACCTL, ctl); |
| 2918 | |
| 2919 | cfp_pretbtt = 2; |
| 2920 | if ((ctl & B43_MACCTL_INFRA) && !(ctl & B43_MACCTL_AP)) { |
Rafał Miłecki | c244e08 | 2011-05-18 02:06:41 +0200 | [diff] [blame] | 2921 | if (dev->dev->chip_id == 0x4306 && |
| 2922 | dev->dev->chip_rev == 3) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2923 | cfp_pretbtt = 100; |
| 2924 | else |
| 2925 | cfp_pretbtt = 50; |
| 2926 | } |
| 2927 | b43_write16(dev, 0x612, cfp_pretbtt); |
Michael Buesch | 09ebe2f | 2009-09-12 00:52:48 +0200 | [diff] [blame] | 2928 | |
| 2929 | /* FIXME: We don't currently implement the PMQ mechanism, |
| 2930 | * so always disable it. If we want to implement PMQ, |
| 2931 | * we need to enable it here (clear DISCPMQ) in AP mode. |
| 2932 | */ |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 2933 | if (0 /* ctl & B43_MACCTL_AP */) |
| 2934 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_DISCPMQ, 0); |
| 2935 | else |
| 2936 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_DISCPMQ); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2937 | } |
| 2938 | |
| 2939 | static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm) |
| 2940 | { |
| 2941 | u16 offset; |
| 2942 | |
| 2943 | if (is_ofdm) { |
| 2944 | offset = 0x480; |
| 2945 | offset += (b43_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; |
| 2946 | } else { |
| 2947 | offset = 0x4C0; |
| 2948 | offset += (b43_plcp_get_ratecode_cck(rate) & 0x000F) * 2; |
| 2949 | } |
| 2950 | b43_shm_write16(dev, B43_SHM_SHARED, offset + 0x20, |
| 2951 | b43_shm_read16(dev, B43_SHM_SHARED, offset)); |
| 2952 | } |
| 2953 | |
| 2954 | static void b43_rate_memory_init(struct b43_wldev *dev) |
| 2955 | { |
| 2956 | switch (dev->phy.type) { |
| 2957 | case B43_PHYTYPE_A: |
| 2958 | case B43_PHYTYPE_G: |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame] | 2959 | case B43_PHYTYPE_N: |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 2960 | case B43_PHYTYPE_LP: |
Rafał Miłecki | 6a461c2 | 2011-08-12 00:03:25 +0200 | [diff] [blame] | 2961 | case B43_PHYTYPE_HT: |
Rafał Miłecki | 0b4ff45 | 2011-08-31 23:36:16 +0200 | [diff] [blame] | 2962 | case B43_PHYTYPE_LCN: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2963 | b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1); |
| 2964 | b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1); |
| 2965 | b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1); |
| 2966 | b43_rate_memory_write(dev, B43_OFDM_RATE_24MB, 1); |
| 2967 | b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1); |
| 2968 | b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1); |
| 2969 | b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1); |
| 2970 | if (dev->phy.type == B43_PHYTYPE_A) |
| 2971 | break; |
| 2972 | /* fallthrough */ |
| 2973 | case B43_PHYTYPE_B: |
| 2974 | b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0); |
| 2975 | b43_rate_memory_write(dev, B43_CCK_RATE_2MB, 0); |
| 2976 | b43_rate_memory_write(dev, B43_CCK_RATE_5MB, 0); |
| 2977 | b43_rate_memory_write(dev, B43_CCK_RATE_11MB, 0); |
| 2978 | break; |
| 2979 | default: |
| 2980 | B43_WARN_ON(1); |
| 2981 | } |
| 2982 | } |
| 2983 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 2984 | /* Set the default values for the PHY TX Control Words. */ |
| 2985 | static void b43_set_phytxctl_defaults(struct b43_wldev *dev) |
| 2986 | { |
| 2987 | u16 ctl = 0; |
| 2988 | |
| 2989 | ctl |= B43_TXH_PHY_ENC_CCK; |
| 2990 | ctl |= B43_TXH_PHY_ANT01AUTO; |
| 2991 | ctl |= B43_TXH_PHY_TXPWR; |
| 2992 | |
| 2993 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); |
| 2994 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, ctl); |
| 2995 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, ctl); |
| 2996 | } |
| 2997 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2998 | /* Set the TX-Antenna for management frames sent by firmware. */ |
| 2999 | static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna) |
| 3000 | { |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 3001 | u16 ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3002 | u16 tmp; |
| 3003 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 3004 | ant = b43_antenna_to_phyctl(antenna); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3005 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3006 | /* For ACK/CTS */ |
| 3007 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 3008 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3009 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp); |
| 3010 | /* For Probe Resposes */ |
| 3011 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 3012 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3013 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp); |
| 3014 | } |
| 3015 | |
| 3016 | /* This is the opposite of b43_chip_init() */ |
| 3017 | static void b43_chip_exit(struct b43_wldev *dev) |
| 3018 | { |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 3019 | b43_phy_exit(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3020 | b43_gpio_cleanup(dev); |
| 3021 | /* firmware is released later */ |
| 3022 | } |
| 3023 | |
| 3024 | /* Initialize the chip |
| 3025 | * http://bcm-specs.sipsolutions.net/ChipInit |
| 3026 | */ |
| 3027 | static int b43_chip_init(struct b43_wldev *dev) |
| 3028 | { |
| 3029 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3030 | int err; |
Rafał Miłecki | 858a165 | 2011-05-10 16:05:33 +0200 | [diff] [blame] | 3031 | u32 macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3032 | u16 value16; |
| 3033 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 3034 | /* Initialize the MAC control */ |
| 3035 | macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED; |
| 3036 | if (dev->phy.gmode) |
| 3037 | macctl |= B43_MACCTL_GMODE; |
| 3038 | macctl |= B43_MACCTL_INFRA; |
| 3039 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3040 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3041 | err = b43_upload_microcode(dev); |
| 3042 | if (err) |
| 3043 | goto out; /* firmware is released later */ |
| 3044 | |
| 3045 | err = b43_gpio_init(dev); |
| 3046 | if (err) |
| 3047 | goto out; /* firmware is released later */ |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 3048 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3049 | err = b43_upload_initvals(dev); |
| 3050 | if (err) |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 3051 | goto err_gpio_clean; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3052 | |
Michael Buesch | 0b7dcd9 | 2008-09-03 12:31:54 +0200 | [diff] [blame] | 3053 | /* Turn the Analog on and initialize the PHY. */ |
| 3054 | phy->ops->switch_analog(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3055 | err = b43_phy_init(dev); |
| 3056 | if (err) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3057 | goto err_gpio_clean; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3058 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3059 | /* Disable Interference Mitigation. */ |
| 3060 | if (phy->ops->interf_mitigation) |
| 3061 | phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3062 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3063 | /* Select the antennae */ |
| 3064 | if (phy->ops->set_rx_antenna) |
| 3065 | phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3066 | b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT); |
| 3067 | |
| 3068 | if (phy->type == B43_PHYTYPE_B) { |
| 3069 | value16 = b43_read16(dev, 0x005E); |
| 3070 | value16 |= 0x0004; |
| 3071 | b43_write16(dev, 0x005E, value16); |
| 3072 | } |
| 3073 | b43_write32(dev, 0x0100, 0x01000000); |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 3074 | if (dev->dev->core_rev < 5) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3075 | b43_write32(dev, 0x010C, 0x01000000); |
| 3076 | |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 3077 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_INFRA, 0); |
| 3078 | b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_INFRA); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3079 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3080 | /* Probe Response Timeout value */ |
| 3081 | /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ |
| 3082 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0074, 0x0000); |
| 3083 | |
| 3084 | /* Initially set the wireless operation mode. */ |
| 3085 | b43_adjust_opmode(dev); |
| 3086 | |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 3087 | if (dev->dev->core_rev < 3) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3088 | b43_write16(dev, 0x060E, 0x0000); |
| 3089 | b43_write16(dev, 0x0610, 0x8000); |
| 3090 | b43_write16(dev, 0x0604, 0x0000); |
| 3091 | b43_write16(dev, 0x0606, 0x0200); |
| 3092 | } else { |
| 3093 | b43_write32(dev, 0x0188, 0x80000000); |
| 3094 | b43_write32(dev, 0x018C, 0x02000000); |
| 3095 | } |
| 3096 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000); |
| 3097 | b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00); |
| 3098 | b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00); |
| 3099 | b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00); |
| 3100 | b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00); |
| 3101 | b43_write32(dev, B43_MMIO_DMA4_IRQ_MASK, 0x0000DC00); |
| 3102 | b43_write32(dev, B43_MMIO_DMA5_IRQ_MASK, 0x0000DC00); |
| 3103 | |
Rafał Miłecki | 858a165 | 2011-05-10 16:05:33 +0200 | [diff] [blame] | 3104 | b43_mac_phy_clock_set(dev, true); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3105 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 3106 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 3107 | #ifdef CONFIG_B43_BCMA |
| 3108 | case B43_BUS_BCMA: |
| 3109 | /* FIXME: 0xE74 is quite common, but should be read from CC */ |
| 3110 | b43_write16(dev, B43_MMIO_POWERUP_DELAY, 0xE74); |
| 3111 | break; |
| 3112 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 3113 | #ifdef CONFIG_B43_SSB |
| 3114 | case B43_BUS_SSB: |
| 3115 | b43_write16(dev, B43_MMIO_POWERUP_DELAY, |
| 3116 | dev->dev->sdev->bus->chipco.fast_pwrup_delay); |
| 3117 | break; |
| 3118 | #endif |
| 3119 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3120 | |
| 3121 | err = 0; |
| 3122 | b43dbg(dev->wl, "Chip initialized\n"); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 3123 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3124 | return err; |
| 3125 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 3126 | err_gpio_clean: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3127 | b43_gpio_cleanup(dev); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 3128 | return err; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3129 | } |
| 3130 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3131 | static void b43_periodic_every60sec(struct b43_wldev *dev) |
| 3132 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3133 | const struct b43_phy_operations *ops = dev->phy.ops; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3134 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3135 | if (ops->pwork_60sec) |
| 3136 | ops->pwork_60sec(dev); |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 3137 | |
| 3138 | /* Force check the TX power emission now. */ |
| 3139 | b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3140 | } |
| 3141 | |
| 3142 | static void b43_periodic_every30sec(struct b43_wldev *dev) |
| 3143 | { |
| 3144 | /* Update device statistics. */ |
| 3145 | b43_calculate_link_quality(dev); |
| 3146 | } |
| 3147 | |
| 3148 | static void b43_periodic_every15sec(struct b43_wldev *dev) |
| 3149 | { |
| 3150 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | 9b839a7 | 2008-06-20 17:44:02 +0200 | [diff] [blame] | 3151 | u16 wdr; |
| 3152 | |
| 3153 | if (dev->fw.opensource) { |
| 3154 | /* Check if the firmware is still alive. |
| 3155 | * It will reset the watchdog counter to 0 in its idle loop. */ |
| 3156 | wdr = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_WATCHDOG_REG); |
| 3157 | if (unlikely(wdr)) { |
| 3158 | b43err(dev->wl, "Firmware watchdog: The firmware died!\n"); |
| 3159 | b43_controller_restart(dev, "Firmware watchdog"); |
| 3160 | return; |
| 3161 | } else { |
| 3162 | b43_shm_write16(dev, B43_SHM_SCRATCH, |
| 3163 | B43_WATCHDOG_REG, 1); |
| 3164 | } |
| 3165 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3166 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3167 | if (phy->ops->pwork_15sec) |
| 3168 | phy->ops->pwork_15sec(dev); |
| 3169 | |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 3170 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
| 3171 | wmb(); |
Michael Buesch | 990b86f | 2009-09-12 00:48:03 +0200 | [diff] [blame] | 3172 | |
| 3173 | #if B43_DEBUG |
| 3174 | if (b43_debug(dev, B43_DBG_VERBOSESTATS)) { |
| 3175 | unsigned int i; |
| 3176 | |
| 3177 | b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n", |
| 3178 | dev->irq_count / 15, |
| 3179 | dev->tx_count / 15, |
| 3180 | dev->rx_count / 15); |
| 3181 | dev->irq_count = 0; |
| 3182 | dev->tx_count = 0; |
| 3183 | dev->rx_count = 0; |
| 3184 | for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) { |
| 3185 | if (dev->irq_bit_count[i]) { |
| 3186 | b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n", |
| 3187 | dev->irq_bit_count[i] / 15, i, (1 << i)); |
| 3188 | dev->irq_bit_count[i] = 0; |
| 3189 | } |
| 3190 | } |
| 3191 | } |
| 3192 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3193 | } |
| 3194 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3195 | static void do_periodic_work(struct b43_wldev *dev) |
| 3196 | { |
| 3197 | unsigned int state; |
| 3198 | |
| 3199 | state = dev->periodic_state; |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3200 | if (state % 4 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3201 | b43_periodic_every60sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3202 | if (state % 2 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3203 | b43_periodic_every30sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3204 | b43_periodic_every15sec(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3205 | } |
| 3206 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3207 | /* Periodic work locking policy: |
| 3208 | * The whole periodic work handler is protected by |
| 3209 | * wl->mutex. If another lock is needed somewhere in the |
Uwe Kleine-König | 21ae295 | 2009-10-07 15:21:09 +0200 | [diff] [blame] | 3210 | * pwork callchain, it's acquired in-place, where it's needed. |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3211 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3212 | static void b43_periodic_work_handler(struct work_struct *work) |
| 3213 | { |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3214 | struct b43_wldev *dev = container_of(work, struct b43_wldev, |
| 3215 | periodic_work.work); |
| 3216 | struct b43_wl *wl = dev->wl; |
| 3217 | unsigned long delay; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3218 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3219 | mutex_lock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3220 | |
| 3221 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) |
| 3222 | goto out; |
| 3223 | if (b43_debug(dev, B43_DBG_PWORK_STOP)) |
| 3224 | goto out_requeue; |
| 3225 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3226 | do_periodic_work(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3227 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3228 | dev->periodic_state++; |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3229 | out_requeue: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3230 | if (b43_debug(dev, B43_DBG_PWORK_FAST)) |
| 3231 | delay = msecs_to_jiffies(50); |
| 3232 | else |
Anton Blanchard | 82cd682 | 2007-10-15 00:42:23 -0500 | [diff] [blame] | 3233 | delay = round_jiffies_relative(HZ * 15); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 3234 | ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3235 | out: |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3236 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3237 | } |
| 3238 | |
| 3239 | static void b43_periodic_tasks_setup(struct b43_wldev *dev) |
| 3240 | { |
| 3241 | struct delayed_work *work = &dev->periodic_work; |
| 3242 | |
| 3243 | dev->periodic_state = 0; |
| 3244 | INIT_DELAYED_WORK(work, b43_periodic_work_handler); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 3245 | ieee80211_queue_delayed_work(dev->wl->hw, work, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3246 | } |
| 3247 | |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3248 | /* Check if communication with the device works correctly. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3249 | static int b43_validate_chipaccess(struct b43_wldev *dev) |
| 3250 | { |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 3251 | u32 v, backup0, backup4; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3252 | |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 3253 | backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0); |
| 3254 | backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4); |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3255 | |
| 3256 | /* Check for read/write and endianness problems. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3257 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55); |
| 3258 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55) |
| 3259 | goto error; |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3260 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA); |
| 3261 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3262 | goto error; |
| 3263 | |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 3264 | /* Check if unaligned 32bit SHM_SHARED access works properly. |
| 3265 | * However, don't bail out on failure, because it's noncritical. */ |
| 3266 | b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122); |
| 3267 | b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344); |
| 3268 | b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566); |
| 3269 | b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788); |
| 3270 | if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344) |
| 3271 | b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n"); |
| 3272 | b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD); |
| 3273 | if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 || |
| 3274 | b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD || |
| 3275 | b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB || |
| 3276 | b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788) |
| 3277 | b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n"); |
| 3278 | |
| 3279 | b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0); |
| 3280 | b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4); |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3281 | |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 3282 | if ((dev->dev->core_rev >= 3) && (dev->dev->core_rev <= 10)) { |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3283 | /* The 32bit register shadows the two 16bit registers |
| 3284 | * with update sideeffects. Validate this. */ |
| 3285 | b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA); |
| 3286 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB); |
| 3287 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB) |
| 3288 | goto error; |
| 3289 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC) |
| 3290 | goto error; |
| 3291 | } |
| 3292 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0); |
| 3293 | |
| 3294 | v = b43_read32(dev, B43_MMIO_MACCTL); |
| 3295 | v |= B43_MACCTL_GMODE; |
| 3296 | if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3297 | goto error; |
| 3298 | |
| 3299 | return 0; |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3300 | error: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3301 | b43err(dev->wl, "Failed to validate the chipaccess\n"); |
| 3302 | return -ENODEV; |
| 3303 | } |
| 3304 | |
| 3305 | static void b43_security_init(struct b43_wldev *dev) |
| 3306 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3307 | dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP); |
| 3308 | /* KTP is a word address, but we address SHM bytewise. |
| 3309 | * So multiply by two. |
| 3310 | */ |
| 3311 | dev->ktp *= 2; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 3312 | /* Number of RCMTA address slots */ |
| 3313 | b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS); |
| 3314 | /* Clear the key memory. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3315 | b43_clear_keys(dev); |
| 3316 | } |
| 3317 | |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3318 | #ifdef CONFIG_B43_HWRNG |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 3319 | static int b43_rng_read(struct hwrng *rng, u32 *data) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3320 | { |
| 3321 | struct b43_wl *wl = (struct b43_wl *)rng->priv; |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3322 | struct b43_wldev *dev; |
| 3323 | int count = -ENODEV; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3324 | |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3325 | mutex_lock(&wl->mutex); |
| 3326 | dev = wl->current_dev; |
| 3327 | if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) { |
| 3328 | *data = b43_read16(dev, B43_MMIO_RNG); |
| 3329 | count = sizeof(u16); |
| 3330 | } |
| 3331 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3332 | |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3333 | return count; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3334 | } |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3335 | #endif /* CONFIG_B43_HWRNG */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3336 | |
Rafael J. Wysocki | b844eba | 2008-03-23 20:28:24 +0100 | [diff] [blame] | 3337 | static void b43_rng_exit(struct b43_wl *wl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3338 | { |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3339 | #ifdef CONFIG_B43_HWRNG |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3340 | if (wl->rng_initialized) |
Rafael J. Wysocki | b844eba | 2008-03-23 20:28:24 +0100 | [diff] [blame] | 3341 | hwrng_unregister(&wl->rng); |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3342 | #endif /* CONFIG_B43_HWRNG */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3343 | } |
| 3344 | |
| 3345 | static int b43_rng_init(struct b43_wl *wl) |
| 3346 | { |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3347 | int err = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3348 | |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3349 | #ifdef CONFIG_B43_HWRNG |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3350 | snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name), |
| 3351 | "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy)); |
| 3352 | wl->rng.name = wl->rng_name; |
| 3353 | wl->rng.data_read = b43_rng_read; |
| 3354 | wl->rng.priv = (unsigned long)wl; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 3355 | wl->rng_initialized = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3356 | err = hwrng_register(&wl->rng); |
| 3357 | if (err) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 3358 | wl->rng_initialized = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3359 | b43err(wl, "Failed to register the random " |
| 3360 | "number generator (%d)\n", err); |
| 3361 | } |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3362 | #endif /* CONFIG_B43_HWRNG */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3363 | |
| 3364 | return err; |
| 3365 | } |
| 3366 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3367 | static void b43_tx_work(struct work_struct *work) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3368 | { |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3369 | struct b43_wl *wl = container_of(work, struct b43_wl, tx_work); |
| 3370 | struct b43_wldev *dev; |
| 3371 | struct sk_buff *skb; |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 3372 | int queue_num; |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3373 | int err = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3374 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3375 | mutex_lock(&wl->mutex); |
| 3376 | dev = wl->current_dev; |
| 3377 | if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) { |
| 3378 | mutex_unlock(&wl->mutex); |
| 3379 | return; |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 3380 | } |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3381 | |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 3382 | for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { |
| 3383 | while (skb_queue_len(&wl->tx_queue[queue_num])) { |
| 3384 | skb = skb_dequeue(&wl->tx_queue[queue_num]); |
| 3385 | if (b43_using_pio_transfers(dev)) |
| 3386 | err = b43_pio_tx(dev, skb); |
| 3387 | else |
| 3388 | err = b43_dma_tx(dev, skb); |
| 3389 | if (err == -ENOSPC) { |
| 3390 | wl->tx_queue_stopped[queue_num] = 1; |
| 3391 | ieee80211_stop_queue(wl->hw, queue_num); |
| 3392 | skb_queue_head(&wl->tx_queue[queue_num], skb); |
| 3393 | break; |
| 3394 | } |
| 3395 | if (unlikely(err)) |
| 3396 | dev_kfree_skb(skb); /* Drop it */ |
| 3397 | err = 0; |
| 3398 | } |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3399 | |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 3400 | if (!err) |
| 3401 | wl->tx_queue_stopped[queue_num] = 0; |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3402 | } |
| 3403 | |
Michael Buesch | 990b86f | 2009-09-12 00:48:03 +0200 | [diff] [blame] | 3404 | #if B43_DEBUG |
| 3405 | dev->tx_count++; |
| 3406 | #endif |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3407 | mutex_unlock(&wl->mutex); |
| 3408 | } |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3409 | |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 3410 | static void b43_op_tx(struct ieee80211_hw *hw, |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3411 | struct sk_buff *skb) |
| 3412 | { |
| 3413 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | c9e8eae | 2008-06-15 15:17:29 +0200 | [diff] [blame] | 3414 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3415 | if (unlikely(skb->len < 2 + 2 + 6)) { |
| 3416 | /* Too short, this can't be a valid frame. */ |
| 3417 | dev_kfree_skb_any(skb); |
Johannes Berg | 7bb4568 | 2011-02-24 14:42:06 +0100 | [diff] [blame] | 3418 | return; |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3419 | } |
| 3420 | B43_WARN_ON(skb_shinfo(skb)->nr_frags); |
| 3421 | |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 3422 | skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb); |
| 3423 | if (!wl->tx_queue_stopped[skb->queue_mapping]) { |
| 3424 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 3425 | } else { |
| 3426 | ieee80211_stop_queue(wl->hw, skb->queue_mapping); |
| 3427 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3428 | } |
| 3429 | |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3430 | static void b43_qos_params_upload(struct b43_wldev *dev, |
| 3431 | const struct ieee80211_tx_queue_params *p, |
| 3432 | u16 shm_offset) |
| 3433 | { |
| 3434 | u16 params[B43_NR_QOSPARAMS]; |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3435 | int bslots, tmp; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3436 | unsigned int i; |
| 3437 | |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3438 | if (!dev->qos_enabled) |
| 3439 | return; |
| 3440 | |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3441 | bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3442 | |
| 3443 | memset(¶ms, 0, sizeof(params)); |
| 3444 | |
| 3445 | params[B43_QOSPARAM_TXOP] = p->txop * 32; |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3446 | params[B43_QOSPARAM_CWMIN] = p->cw_min; |
| 3447 | params[B43_QOSPARAM_CWMAX] = p->cw_max; |
| 3448 | params[B43_QOSPARAM_CWCUR] = p->cw_min; |
| 3449 | params[B43_QOSPARAM_AIFS] = p->aifs; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3450 | params[B43_QOSPARAM_BSLOTS] = bslots; |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3451 | params[B43_QOSPARAM_REGGAP] = bslots + p->aifs; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3452 | |
| 3453 | for (i = 0; i < ARRAY_SIZE(params); i++) { |
| 3454 | if (i == B43_QOSPARAM_STATUS) { |
| 3455 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, |
| 3456 | shm_offset + (i * 2)); |
| 3457 | /* Mark the parameters as updated. */ |
| 3458 | tmp |= 0x100; |
| 3459 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 3460 | shm_offset + (i * 2), |
| 3461 | tmp); |
| 3462 | } else { |
| 3463 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 3464 | shm_offset + (i * 2), |
| 3465 | params[i]); |
| 3466 | } |
| 3467 | } |
| 3468 | } |
| 3469 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3470 | /* Mapping of mac80211 queue numbers to b43 QoS SHM offsets. */ |
| 3471 | static const u16 b43_qos_shm_offsets[] = { |
| 3472 | /* [mac80211-queue-nr] = SHM_OFFSET, */ |
| 3473 | [0] = B43_QOS_VOICE, |
| 3474 | [1] = B43_QOS_VIDEO, |
| 3475 | [2] = B43_QOS_BESTEFFORT, |
| 3476 | [3] = B43_QOS_BACKGROUND, |
| 3477 | }; |
| 3478 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3479 | /* Update all QOS parameters in hardware. */ |
| 3480 | static void b43_qos_upload_all(struct b43_wldev *dev) |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3481 | { |
| 3482 | struct b43_wl *wl = dev->wl; |
| 3483 | struct b43_qos_params *params; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3484 | unsigned int i; |
| 3485 | |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3486 | if (!dev->qos_enabled) |
| 3487 | return; |
| 3488 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3489 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
| 3490 | ARRAY_SIZE(wl->qos_params)); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3491 | |
| 3492 | b43_mac_suspend(dev); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3493 | for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { |
| 3494 | params = &(wl->qos_params[i]); |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3495 | b43_qos_params_upload(dev, &(params->p), |
| 3496 | b43_qos_shm_offsets[i]); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3497 | } |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3498 | b43_mac_enable(dev); |
| 3499 | } |
| 3500 | |
| 3501 | static void b43_qos_clear(struct b43_wl *wl) |
| 3502 | { |
| 3503 | struct b43_qos_params *params; |
| 3504 | unsigned int i; |
| 3505 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3506 | /* Initialize QoS parameters to sane defaults. */ |
| 3507 | |
| 3508 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
| 3509 | ARRAY_SIZE(wl->qos_params)); |
| 3510 | |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3511 | for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { |
| 3512 | params = &(wl->qos_params[i]); |
| 3513 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3514 | switch (b43_qos_shm_offsets[i]) { |
| 3515 | case B43_QOS_VOICE: |
| 3516 | params->p.txop = 0; |
| 3517 | params->p.aifs = 2; |
| 3518 | params->p.cw_min = 0x0001; |
| 3519 | params->p.cw_max = 0x0001; |
| 3520 | break; |
| 3521 | case B43_QOS_VIDEO: |
| 3522 | params->p.txop = 0; |
| 3523 | params->p.aifs = 2; |
| 3524 | params->p.cw_min = 0x0001; |
| 3525 | params->p.cw_max = 0x0001; |
| 3526 | break; |
| 3527 | case B43_QOS_BESTEFFORT: |
| 3528 | params->p.txop = 0; |
| 3529 | params->p.aifs = 3; |
| 3530 | params->p.cw_min = 0x0001; |
| 3531 | params->p.cw_max = 0x03FF; |
| 3532 | break; |
| 3533 | case B43_QOS_BACKGROUND: |
| 3534 | params->p.txop = 0; |
| 3535 | params->p.aifs = 7; |
| 3536 | params->p.cw_min = 0x0001; |
| 3537 | params->p.cw_max = 0x03FF; |
| 3538 | break; |
| 3539 | default: |
| 3540 | B43_WARN_ON(1); |
| 3541 | } |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3542 | } |
| 3543 | } |
| 3544 | |
| 3545 | /* Initialize the core's QOS capabilities */ |
| 3546 | static void b43_qos_init(struct b43_wldev *dev) |
| 3547 | { |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3548 | if (!dev->qos_enabled) { |
| 3549 | /* Disable QOS support. */ |
| 3550 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF); |
| 3551 | b43_write16(dev, B43_MMIO_IFSCTL, |
| 3552 | b43_read16(dev, B43_MMIO_IFSCTL) |
| 3553 | & ~B43_MMIO_IFSCTL_USE_EDCF); |
| 3554 | b43dbg(dev->wl, "QoS disabled\n"); |
| 3555 | return; |
| 3556 | } |
| 3557 | |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3558 | /* Upload the current QOS parameters. */ |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3559 | b43_qos_upload_all(dev); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3560 | |
| 3561 | /* Enable QOS support. */ |
| 3562 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF); |
| 3563 | b43_write16(dev, B43_MMIO_IFSCTL, |
| 3564 | b43_read16(dev, B43_MMIO_IFSCTL) |
| 3565 | | B43_MMIO_IFSCTL_USE_EDCF); |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3566 | b43dbg(dev->wl, "QoS enabled\n"); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3567 | } |
| 3568 | |
Eliad Peller | 8a3a3c8 | 2011-10-02 10:15:52 +0200 | [diff] [blame] | 3569 | static int b43_op_conf_tx(struct ieee80211_hw *hw, |
| 3570 | struct ieee80211_vif *vif, u16 _queue, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3571 | const struct ieee80211_tx_queue_params *params) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3572 | { |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3573 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3574 | struct b43_wldev *dev; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3575 | unsigned int queue = (unsigned int)_queue; |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3576 | int err = -ENODEV; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3577 | |
| 3578 | if (queue >= ARRAY_SIZE(wl->qos_params)) { |
| 3579 | /* Queue not available or don't support setting |
| 3580 | * params on this queue. Return success to not |
| 3581 | * confuse mac80211. */ |
| 3582 | return 0; |
| 3583 | } |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3584 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
| 3585 | ARRAY_SIZE(wl->qos_params)); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3586 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3587 | mutex_lock(&wl->mutex); |
| 3588 | dev = wl->current_dev; |
| 3589 | if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) |
| 3590 | goto out_unlock; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3591 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3592 | memcpy(&(wl->qos_params[queue].p), params, sizeof(*params)); |
| 3593 | b43_mac_suspend(dev); |
| 3594 | b43_qos_params_upload(dev, &(wl->qos_params[queue].p), |
| 3595 | b43_qos_shm_offsets[queue]); |
| 3596 | b43_mac_enable(dev); |
| 3597 | err = 0; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3598 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3599 | out_unlock: |
| 3600 | mutex_unlock(&wl->mutex); |
| 3601 | |
| 3602 | return err; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3603 | } |
| 3604 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3605 | static int b43_op_get_stats(struct ieee80211_hw *hw, |
| 3606 | struct ieee80211_low_level_stats *stats) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3607 | { |
| 3608 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3609 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3610 | mutex_lock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3611 | memcpy(stats, &wl->ieee_stats, sizeof(*stats)); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3612 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3613 | |
| 3614 | return 0; |
| 3615 | } |
| 3616 | |
Eliad Peller | 37a41b4 | 2011-09-21 14:06:11 +0300 | [diff] [blame] | 3617 | static u64 b43_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3618 | { |
| 3619 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3620 | struct b43_wldev *dev; |
| 3621 | u64 tsf; |
| 3622 | |
| 3623 | mutex_lock(&wl->mutex); |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3624 | dev = wl->current_dev; |
| 3625 | |
| 3626 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) |
| 3627 | b43_tsf_read(dev, &tsf); |
| 3628 | else |
| 3629 | tsf = 0; |
| 3630 | |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3631 | mutex_unlock(&wl->mutex); |
| 3632 | |
| 3633 | return tsf; |
| 3634 | } |
| 3635 | |
Eliad Peller | 37a41b4 | 2011-09-21 14:06:11 +0300 | [diff] [blame] | 3636 | static void b43_op_set_tsf(struct ieee80211_hw *hw, |
| 3637 | struct ieee80211_vif *vif, u64 tsf) |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3638 | { |
| 3639 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3640 | struct b43_wldev *dev; |
| 3641 | |
| 3642 | mutex_lock(&wl->mutex); |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3643 | dev = wl->current_dev; |
| 3644 | |
| 3645 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) |
| 3646 | b43_tsf_write(dev, tsf); |
| 3647 | |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3648 | mutex_unlock(&wl->mutex); |
| 3649 | } |
| 3650 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3651 | static void b43_put_phy_into_reset(struct b43_wldev *dev) |
| 3652 | { |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 3653 | u32 tmp; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3654 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 3655 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 3656 | #ifdef CONFIG_B43_BCMA |
| 3657 | case B43_BUS_BCMA: |
| 3658 | b43err(dev->wl, |
| 3659 | "Putting PHY into reset not supported on BCMA\n"); |
| 3660 | break; |
| 3661 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 3662 | #ifdef CONFIG_B43_SSB |
| 3663 | case B43_BUS_SSB: |
| 3664 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); |
| 3665 | tmp &= ~B43_TMSLOW_GMODE; |
| 3666 | tmp |= B43_TMSLOW_PHYRESET; |
| 3667 | tmp |= SSB_TMSLOW_FGC; |
| 3668 | ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); |
| 3669 | msleep(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3670 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 3671 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSLOW); |
| 3672 | tmp &= ~SSB_TMSLOW_FGC; |
| 3673 | tmp |= B43_TMSLOW_PHYRESET; |
| 3674 | ssb_write32(dev->dev->sdev, SSB_TMSLOW, tmp); |
| 3675 | msleep(1); |
| 3676 | |
| 3677 | break; |
| 3678 | #endif |
| 3679 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3680 | } |
| 3681 | |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 3682 | static const char *band_to_string(enum ieee80211_band band) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3683 | { |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3684 | switch (band) { |
| 3685 | case IEEE80211_BAND_5GHZ: |
| 3686 | return "5"; |
| 3687 | case IEEE80211_BAND_2GHZ: |
| 3688 | return "2.4"; |
| 3689 | default: |
| 3690 | break; |
| 3691 | } |
| 3692 | B43_WARN_ON(1); |
| 3693 | return ""; |
| 3694 | } |
| 3695 | |
| 3696 | /* Expects wl->mutex locked */ |
| 3697 | static int b43_switch_band(struct b43_wl *wl, struct ieee80211_channel *chan) |
| 3698 | { |
| 3699 | struct b43_wldev *up_dev = NULL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3700 | struct b43_wldev *down_dev; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3701 | struct b43_wldev *d; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3702 | int err; |
John W. Linville | 922d8a0 | 2009-01-12 14:40:20 -0500 | [diff] [blame] | 3703 | bool uninitialized_var(gmode); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3704 | int prev_status; |
| 3705 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3706 | /* Find a device and PHY which supports the band. */ |
| 3707 | list_for_each_entry(d, &wl->devlist, list) { |
| 3708 | switch (chan->band) { |
| 3709 | case IEEE80211_BAND_5GHZ: |
| 3710 | if (d->phy.supports_5ghz) { |
| 3711 | up_dev = d; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 3712 | gmode = false; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3713 | } |
| 3714 | break; |
| 3715 | case IEEE80211_BAND_2GHZ: |
| 3716 | if (d->phy.supports_2ghz) { |
| 3717 | up_dev = d; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 3718 | gmode = true; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3719 | } |
| 3720 | break; |
| 3721 | default: |
| 3722 | B43_WARN_ON(1); |
| 3723 | return -EINVAL; |
| 3724 | } |
| 3725 | if (up_dev) |
| 3726 | break; |
| 3727 | } |
| 3728 | if (!up_dev) { |
| 3729 | b43err(wl, "Could not find a device for %s-GHz band operation\n", |
| 3730 | band_to_string(chan->band)); |
| 3731 | return -ENODEV; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3732 | } |
| 3733 | if ((up_dev == wl->current_dev) && |
| 3734 | (!!wl->current_dev->phy.gmode == !!gmode)) { |
| 3735 | /* This device is already running. */ |
| 3736 | return 0; |
| 3737 | } |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3738 | b43dbg(wl, "Switching to %s-GHz band\n", |
| 3739 | band_to_string(chan->band)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3740 | down_dev = wl->current_dev; |
| 3741 | |
| 3742 | prev_status = b43_status(down_dev); |
| 3743 | /* Shutdown the currently running core. */ |
| 3744 | if (prev_status >= B43_STAT_STARTED) |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3745 | down_dev = b43_wireless_core_stop(down_dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3746 | if (prev_status >= B43_STAT_INITIALIZED) |
| 3747 | b43_wireless_core_exit(down_dev); |
| 3748 | |
| 3749 | if (down_dev != up_dev) { |
| 3750 | /* We switch to a different core, so we put PHY into |
| 3751 | * RESET on the old core. */ |
| 3752 | b43_put_phy_into_reset(down_dev); |
| 3753 | } |
| 3754 | |
| 3755 | /* Now start the new core. */ |
| 3756 | up_dev->phy.gmode = gmode; |
| 3757 | if (prev_status >= B43_STAT_INITIALIZED) { |
| 3758 | err = b43_wireless_core_init(up_dev); |
| 3759 | if (err) { |
| 3760 | b43err(wl, "Fatal: Could not initialize device for " |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3761 | "selected %s-GHz band\n", |
| 3762 | band_to_string(chan->band)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3763 | goto init_failure; |
| 3764 | } |
| 3765 | } |
| 3766 | if (prev_status >= B43_STAT_STARTED) { |
| 3767 | err = b43_wireless_core_start(up_dev); |
| 3768 | if (err) { |
| 3769 | b43err(wl, "Fatal: Coult not start device for " |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3770 | "selected %s-GHz band\n", |
| 3771 | band_to_string(chan->band)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3772 | b43_wireless_core_exit(up_dev); |
| 3773 | goto init_failure; |
| 3774 | } |
| 3775 | } |
| 3776 | B43_WARN_ON(b43_status(up_dev) != prev_status); |
| 3777 | |
| 3778 | wl->current_dev = up_dev; |
| 3779 | |
| 3780 | return 0; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3781 | init_failure: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3782 | /* Whoops, failed to init the new core. No core is operating now. */ |
| 3783 | wl->current_dev = NULL; |
| 3784 | return err; |
| 3785 | } |
| 3786 | |
Johannes Berg | 9124b07 | 2008-10-14 19:17:54 +0200 | [diff] [blame] | 3787 | /* Write the short and long frame retry limit values. */ |
| 3788 | static void b43_set_retry_limits(struct b43_wldev *dev, |
| 3789 | unsigned int short_retry, |
| 3790 | unsigned int long_retry) |
| 3791 | { |
| 3792 | /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing |
| 3793 | * the chip-internal counter. */ |
| 3794 | short_retry = min(short_retry, (unsigned int)0xF); |
| 3795 | long_retry = min(long_retry, (unsigned int)0xF); |
| 3796 | |
| 3797 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, |
| 3798 | short_retry); |
| 3799 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, |
| 3800 | long_retry); |
| 3801 | } |
| 3802 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 3803 | static int b43_op_config(struct ieee80211_hw *hw, u32 changed) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3804 | { |
| 3805 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3806 | struct b43_wldev *dev; |
| 3807 | struct b43_phy *phy; |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 3808 | struct ieee80211_conf *conf = &hw->conf; |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 3809 | int antenna; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3810 | int err = 0; |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 3811 | bool reload_bss = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3812 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3813 | mutex_lock(&wl->mutex); |
| 3814 | |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 3815 | dev = wl->current_dev; |
| 3816 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3817 | /* Switch the band (if necessary). This might change the active core. */ |
| 3818 | err = b43_switch_band(wl, conf->channel); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3819 | if (err) |
| 3820 | goto out_unlock_mutex; |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 3821 | |
| 3822 | /* Need to reload all settings if the core changed */ |
| 3823 | if (dev != wl->current_dev) { |
| 3824 | dev = wl->current_dev; |
| 3825 | changed = ~0; |
| 3826 | reload_bss = true; |
| 3827 | } |
| 3828 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3829 | phy = &dev->phy; |
| 3830 | |
Rafał Miłecki | aa4c7b2 | 2010-01-22 01:53:12 +0100 | [diff] [blame] | 3831 | if (conf_is_ht(conf)) |
| 3832 | phy->is_40mhz = |
| 3833 | (conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf)); |
| 3834 | else |
| 3835 | phy->is_40mhz = false; |
| 3836 | |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3837 | b43_mac_suspend(dev); |
| 3838 | |
Johannes Berg | 9124b07 | 2008-10-14 19:17:54 +0200 | [diff] [blame] | 3839 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) |
| 3840 | b43_set_retry_limits(dev, conf->short_frame_max_tx_count, |
| 3841 | conf->long_frame_max_tx_count); |
| 3842 | changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS; |
| 3843 | if (!changed) |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3844 | goto out_mac_enable; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3845 | |
| 3846 | /* Switch to the requested channel. |
| 3847 | * The firmware takes care of races with the TX handler. */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 3848 | if (conf->channel->hw_value != phy->channel) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3849 | b43_switch_channel(dev, conf->channel->hw_value); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3850 | |
Johannes Berg | 0869aea | 2009-10-28 10:03:35 +0100 | [diff] [blame] | 3851 | dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR); |
Johannes Berg | d42ce84 | 2007-11-23 14:50:51 +0100 | [diff] [blame] | 3852 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3853 | /* Adjust the desired TX power level. */ |
| 3854 | if (conf->power_level != 0) { |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 3855 | if (conf->power_level != phy->desired_txpower) { |
| 3856 | phy->desired_txpower = conf->power_level; |
| 3857 | b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME | |
| 3858 | B43_TXPWR_IGNORE_TSSI); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3859 | } |
| 3860 | } |
| 3861 | |
| 3862 | /* Antennas for RX and management frame TX. */ |
Johannes Berg | 0f4ac38 | 2008-10-09 12:18:04 +0200 | [diff] [blame] | 3863 | antenna = B43_ANTENNA_DEFAULT; |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 3864 | b43_mgmtframe_txantenna(dev, antenna); |
Johannes Berg | 0f4ac38 | 2008-10-09 12:18:04 +0200 | [diff] [blame] | 3865 | antenna = B43_ANTENNA_DEFAULT; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3866 | if (phy->ops->set_rx_antenna) |
| 3867 | phy->ops->set_rx_antenna(dev, antenna); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3868 | |
Larry Finger | fd4973c | 2009-06-20 12:58:11 -0500 | [diff] [blame] | 3869 | if (wl->radio_enabled != phy->radio_on) { |
| 3870 | if (wl->radio_enabled) { |
Johannes Berg | 19d337d | 2009-06-02 13:01:37 +0200 | [diff] [blame] | 3871 | b43_software_rfkill(dev, false); |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 3872 | b43info(dev->wl, "Radio turned on by software\n"); |
| 3873 | if (!dev->radio_hw_enable) { |
| 3874 | b43info(dev->wl, "The hardware RF-kill button " |
| 3875 | "still turns the radio physically off. " |
| 3876 | "Press the button to turn it on.\n"); |
| 3877 | } |
| 3878 | } else { |
Johannes Berg | 19d337d | 2009-06-02 13:01:37 +0200 | [diff] [blame] | 3879 | b43_software_rfkill(dev, true); |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 3880 | b43info(dev->wl, "Radio turned off by software\n"); |
| 3881 | } |
| 3882 | } |
| 3883 | |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3884 | out_mac_enable: |
| 3885 | b43_mac_enable(dev); |
| 3886 | out_unlock_mutex: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3887 | mutex_unlock(&wl->mutex); |
| 3888 | |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 3889 | if (wl->vif && reload_bss) |
| 3890 | b43_op_bss_info_changed(hw, wl->vif, &wl->vif->bss_conf, ~0); |
| 3891 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3892 | return err; |
| 3893 | } |
| 3894 | |
Johannes Berg | 881d948 | 2009-01-21 15:13:48 +0100 | [diff] [blame] | 3895 | static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates) |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3896 | { |
| 3897 | struct ieee80211_supported_band *sband = |
| 3898 | dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)]; |
| 3899 | struct ieee80211_rate *rate; |
| 3900 | int i; |
| 3901 | u16 basic, direct, offset, basic_offset, rateptr; |
| 3902 | |
| 3903 | for (i = 0; i < sband->n_bitrates; i++) { |
| 3904 | rate = &sband->bitrates[i]; |
| 3905 | |
| 3906 | if (b43_is_cck_rate(rate->hw_value)) { |
| 3907 | direct = B43_SHM_SH_CCKDIRECT; |
| 3908 | basic = B43_SHM_SH_CCKBASIC; |
| 3909 | offset = b43_plcp_get_ratecode_cck(rate->hw_value); |
| 3910 | offset &= 0xF; |
| 3911 | } else { |
| 3912 | direct = B43_SHM_SH_OFDMDIRECT; |
| 3913 | basic = B43_SHM_SH_OFDMBASIC; |
| 3914 | offset = b43_plcp_get_ratecode_ofdm(rate->hw_value); |
| 3915 | offset &= 0xF; |
| 3916 | } |
| 3917 | |
| 3918 | rate = ieee80211_get_response_rate(sband, brates, rate->bitrate); |
| 3919 | |
| 3920 | if (b43_is_cck_rate(rate->hw_value)) { |
| 3921 | basic_offset = b43_plcp_get_ratecode_cck(rate->hw_value); |
| 3922 | basic_offset &= 0xF; |
| 3923 | } else { |
| 3924 | basic_offset = b43_plcp_get_ratecode_ofdm(rate->hw_value); |
| 3925 | basic_offset &= 0xF; |
| 3926 | } |
| 3927 | |
| 3928 | /* |
| 3929 | * Get the pointer that we need to point to |
| 3930 | * from the direct map |
| 3931 | */ |
| 3932 | rateptr = b43_shm_read16(dev, B43_SHM_SHARED, |
| 3933 | direct + 2 * basic_offset); |
| 3934 | /* and write it to the basic map */ |
| 3935 | b43_shm_write16(dev, B43_SHM_SHARED, basic + 2 * offset, |
| 3936 | rateptr); |
| 3937 | } |
| 3938 | } |
| 3939 | |
| 3940 | static void b43_op_bss_info_changed(struct ieee80211_hw *hw, |
| 3941 | struct ieee80211_vif *vif, |
| 3942 | struct ieee80211_bss_conf *conf, |
| 3943 | u32 changed) |
| 3944 | { |
| 3945 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3946 | struct b43_wldev *dev; |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3947 | |
| 3948 | mutex_lock(&wl->mutex); |
| 3949 | |
| 3950 | dev = wl->current_dev; |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3951 | if (!dev || b43_status(dev) < B43_STAT_STARTED) |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3952 | goto out_unlock_mutex; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 3953 | |
| 3954 | B43_WARN_ON(wl->vif != vif); |
| 3955 | |
| 3956 | if (changed & BSS_CHANGED_BSSID) { |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 3957 | if (conf->bssid) |
| 3958 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); |
| 3959 | else |
| 3960 | memset(wl->bssid, 0, ETH_ALEN); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 3961 | } |
| 3962 | |
Johannes Berg | 3f0d843 | 2009-05-18 10:53:18 +0200 | [diff] [blame] | 3963 | if (b43_status(dev) >= B43_STAT_INITIALIZED) { |
| 3964 | if (changed & BSS_CHANGED_BEACON && |
| 3965 | (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
| 3966 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) || |
| 3967 | b43_is_mode(wl, NL80211_IFTYPE_ADHOC))) |
| 3968 | b43_update_templates(wl); |
| 3969 | |
| 3970 | if (changed & BSS_CHANGED_BSSID) |
| 3971 | b43_write_mac_bssid_templates(dev); |
| 3972 | } |
Johannes Berg | 3f0d843 | 2009-05-18 10:53:18 +0200 | [diff] [blame] | 3973 | |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3974 | b43_mac_suspend(dev); |
| 3975 | |
Johannes Berg | 57c4d7b | 2009-04-23 16:10:04 +0200 | [diff] [blame] | 3976 | /* Update templates for AP/mesh mode. */ |
| 3977 | if (changed & BSS_CHANGED_BEACON_INT && |
| 3978 | (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
| 3979 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) || |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 3980 | b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) && |
| 3981 | conf->beacon_int) |
Johannes Berg | 57c4d7b | 2009-04-23 16:10:04 +0200 | [diff] [blame] | 3982 | b43_set_beacon_int(dev, conf->beacon_int); |
| 3983 | |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3984 | if (changed & BSS_CHANGED_BASIC_RATES) |
| 3985 | b43_update_basic_rates(dev, conf->basic_rates); |
| 3986 | |
| 3987 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 3988 | if (conf->use_short_slot) |
| 3989 | b43_short_slot_timing_enable(dev); |
| 3990 | else |
| 3991 | b43_short_slot_timing_disable(dev); |
| 3992 | } |
| 3993 | |
| 3994 | b43_mac_enable(dev); |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3995 | out_unlock_mutex: |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3996 | mutex_unlock(&wl->mutex); |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3997 | } |
| 3998 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3999 | static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 4000 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 4001 | struct ieee80211_key_conf *key) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4002 | { |
| 4003 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 4004 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4005 | u8 algorithm; |
| 4006 | u8 index; |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 4007 | int err; |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 4008 | static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4009 | |
| 4010 | if (modparam_nohwcrypt) |
| 4011 | return -ENOSPC; /* User disabled HW-crypto */ |
| 4012 | |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 4013 | mutex_lock(&wl->mutex); |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 4014 | |
| 4015 | dev = wl->current_dev; |
| 4016 | err = -ENODEV; |
| 4017 | if (!dev || b43_status(dev) < B43_STAT_INITIALIZED) |
| 4018 | goto out_unlock; |
| 4019 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 4020 | if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) { |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 4021 | /* We don't have firmware for the crypto engine. |
| 4022 | * Must use software-crypto. */ |
| 4023 | err = -EOPNOTSUPP; |
| 4024 | goto out_unlock; |
| 4025 | } |
| 4026 | |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 4027 | err = -EINVAL; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 4028 | switch (key->cipher) { |
| 4029 | case WLAN_CIPHER_SUITE_WEP40: |
| 4030 | algorithm = B43_SEC_ALGO_WEP40; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4031 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 4032 | case WLAN_CIPHER_SUITE_WEP104: |
| 4033 | algorithm = B43_SEC_ALGO_WEP104; |
| 4034 | break; |
| 4035 | case WLAN_CIPHER_SUITE_TKIP: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4036 | algorithm = B43_SEC_ALGO_TKIP; |
| 4037 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 4038 | case WLAN_CIPHER_SUITE_CCMP: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4039 | algorithm = B43_SEC_ALGO_AES; |
| 4040 | break; |
| 4041 | default: |
| 4042 | B43_WARN_ON(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4043 | goto out_unlock; |
| 4044 | } |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 4045 | index = (u8) (key->keyidx); |
| 4046 | if (index > 3) |
| 4047 | goto out_unlock; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4048 | |
| 4049 | switch (cmd) { |
| 4050 | case SET_KEY: |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 4051 | if (algorithm == B43_SEC_ALGO_TKIP && |
| 4052 | (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) || |
| 4053 | !modparam_hwtkip)) { |
| 4054 | /* We support only pairwise key */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4055 | err = -EOPNOTSUPP; |
| 4056 | goto out_unlock; |
| 4057 | } |
| 4058 | |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 4059 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 4060 | if (WARN_ON(!sta)) { |
| 4061 | err = -EOPNOTSUPP; |
| 4062 | goto out_unlock; |
| 4063 | } |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 4064 | /* Pairwise key with an assigned MAC address. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4065 | err = b43_key_write(dev, -1, algorithm, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 4066 | key->key, key->keylen, |
| 4067 | sta->addr, key); |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 4068 | } else { |
| 4069 | /* Group key */ |
| 4070 | err = b43_key_write(dev, index, algorithm, |
| 4071 | key->key, key->keylen, NULL, key); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4072 | } |
| 4073 | if (err) |
| 4074 | goto out_unlock; |
| 4075 | |
| 4076 | if (algorithm == B43_SEC_ALGO_WEP40 || |
| 4077 | algorithm == B43_SEC_ALGO_WEP104) { |
| 4078 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_USEDEFKEYS); |
| 4079 | } else { |
| 4080 | b43_hf_write(dev, |
| 4081 | b43_hf_read(dev) & ~B43_HF_USEDEFKEYS); |
| 4082 | } |
| 4083 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 4084 | if (algorithm == B43_SEC_ALGO_TKIP) |
| 4085 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4086 | break; |
| 4087 | case DISABLE_KEY: { |
| 4088 | err = b43_key_clear(dev, key->hw_key_idx); |
| 4089 | if (err) |
| 4090 | goto out_unlock; |
| 4091 | break; |
| 4092 | } |
| 4093 | default: |
| 4094 | B43_WARN_ON(1); |
| 4095 | } |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 4096 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4097 | out_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4098 | if (!err) { |
| 4099 | b43dbg(wl, "%s hardware based encryption for keyidx: %d, " |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 4100 | "mac: %pM\n", |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4101 | cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, |
Larry Finger | a1d88210 | 2009-01-14 11:15:25 -0600 | [diff] [blame] | 4102 | sta ? sta->addr : bcast_addr); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 4103 | b43_dump_keymemory(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4104 | } |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 4105 | mutex_unlock(&wl->mutex); |
| 4106 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4107 | return err; |
| 4108 | } |
| 4109 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4110 | static void b43_op_configure_filter(struct ieee80211_hw *hw, |
| 4111 | unsigned int changed, unsigned int *fflags, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 4112 | u64 multicast) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4113 | { |
| 4114 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4115 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4116 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4117 | mutex_lock(&wl->mutex); |
| 4118 | dev = wl->current_dev; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4119 | if (!dev) { |
| 4120 | *fflags = 0; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4121 | goto out_unlock; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4122 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4123 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4124 | *fflags &= FIF_PROMISC_IN_BSS | |
| 4125 | FIF_ALLMULTI | |
| 4126 | FIF_FCSFAIL | |
| 4127 | FIF_PLCPFAIL | |
| 4128 | FIF_CONTROL | |
| 4129 | FIF_OTHER_BSS | |
| 4130 | FIF_BCN_PRBRESP_PROMISC; |
| 4131 | |
| 4132 | changed &= FIF_PROMISC_IN_BSS | |
| 4133 | FIF_ALLMULTI | |
| 4134 | FIF_FCSFAIL | |
| 4135 | FIF_PLCPFAIL | |
| 4136 | FIF_CONTROL | |
| 4137 | FIF_OTHER_BSS | |
| 4138 | FIF_BCN_PRBRESP_PROMISC; |
| 4139 | |
| 4140 | wl->filter_flags = *fflags; |
| 4141 | |
| 4142 | if (changed && b43_status(dev) >= B43_STAT_INITIALIZED) |
| 4143 | b43_adjust_opmode(dev); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4144 | |
| 4145 | out_unlock: |
| 4146 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4147 | } |
| 4148 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4149 | /* Locking: wl->mutex |
| 4150 | * Returns the current dev. This might be different from the passed in dev, |
| 4151 | * because the core might be gone away while we unlocked the mutex. */ |
| 4152 | static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4153 | { |
Larry Finger | 9a53bf5 | 2011-08-27 15:53:42 -0500 | [diff] [blame] | 4154 | struct b43_wl *wl; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4155 | struct b43_wldev *orig_dev; |
Michael Buesch | 49d965c | 2009-10-03 00:57:58 +0200 | [diff] [blame] | 4156 | u32 mask; |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 4157 | int queue_num; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4158 | |
Larry Finger | 9a53bf5 | 2011-08-27 15:53:42 -0500 | [diff] [blame] | 4159 | if (!dev) |
| 4160 | return NULL; |
| 4161 | wl = dev->wl; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4162 | redo: |
| 4163 | if (!dev || b43_status(dev) < B43_STAT_STARTED) |
| 4164 | return dev; |
Stefano Brivio | a19d12d | 2007-11-07 18:16:11 +0100 | [diff] [blame] | 4165 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 4166 | /* Cancel work. Unlock to avoid deadlocks. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4167 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4168 | cancel_delayed_work_sync(&dev->periodic_work); |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 4169 | cancel_work_sync(&wl->tx_work); |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 4170 | cancel_work_sync(&wl->firmware_load); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4171 | mutex_lock(&wl->mutex); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4172 | dev = wl->current_dev; |
| 4173 | if (!dev || b43_status(dev) < B43_STAT_STARTED) { |
| 4174 | /* Whoops, aliens ate up the device while we were unlocked. */ |
| 4175 | return dev; |
| 4176 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4177 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4178 | /* Disable interrupts on the device. */ |
| 4179 | b43_set_status(dev, B43_STAT_INITIALIZED); |
Rafał Miłecki | 505fb01 | 2011-05-19 15:11:27 +0200 | [diff] [blame] | 4180 | if (b43_bus_host_is_sdio(dev->dev)) { |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4181 | /* wl->mutex is locked. That is enough. */ |
| 4182 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
| 4183 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */ |
| 4184 | } else { |
| 4185 | spin_lock_irq(&wl->hardirq_lock); |
| 4186 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
| 4187 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */ |
| 4188 | spin_unlock_irq(&wl->hardirq_lock); |
| 4189 | } |
Michael Buesch | 176e9f6 | 2009-09-11 23:04:04 +0200 | [diff] [blame] | 4190 | /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */ |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4191 | orig_dev = dev; |
| 4192 | mutex_unlock(&wl->mutex); |
Rafał Miłecki | 505fb01 | 2011-05-19 15:11:27 +0200 | [diff] [blame] | 4193 | if (b43_bus_host_is_sdio(dev->dev)) { |
Michael Buesch | 176e9f6 | 2009-09-11 23:04:04 +0200 | [diff] [blame] | 4194 | b43_sdio_free_irq(dev); |
| 4195 | } else { |
Rafał Miłecki | a18c715 | 2011-05-18 02:06:40 +0200 | [diff] [blame] | 4196 | synchronize_irq(dev->dev->irq); |
| 4197 | free_irq(dev->dev->irq, dev); |
Michael Buesch | 176e9f6 | 2009-09-11 23:04:04 +0200 | [diff] [blame] | 4198 | } |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4199 | mutex_lock(&wl->mutex); |
| 4200 | dev = wl->current_dev; |
| 4201 | if (!dev) |
| 4202 | return dev; |
| 4203 | if (dev != orig_dev) { |
| 4204 | if (b43_status(dev) >= B43_STAT_STARTED) |
| 4205 | goto redo; |
| 4206 | return dev; |
| 4207 | } |
Michael Buesch | 49d965c | 2009-10-03 00:57:58 +0200 | [diff] [blame] | 4208 | mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); |
| 4209 | B43_WARN_ON(mask != 0xFFFFFFFF && mask); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4210 | |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 4211 | /* Drain all TX queues. */ |
| 4212 | for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { |
| 4213 | while (skb_queue_len(&wl->tx_queue[queue_num])) |
| 4214 | dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num])); |
| 4215 | } |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 4216 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4217 | b43_mac_suspend(dev); |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 4218 | b43_leds_exit(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4219 | b43dbg(wl, "Wireless interface stopped\n"); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4220 | |
| 4221 | return dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4222 | } |
| 4223 | |
| 4224 | /* Locking: wl->mutex */ |
| 4225 | static int b43_wireless_core_start(struct b43_wldev *dev) |
| 4226 | { |
| 4227 | int err; |
| 4228 | |
| 4229 | B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED); |
| 4230 | |
| 4231 | drain_txstatus_queue(dev); |
Rafał Miłecki | 505fb01 | 2011-05-19 15:11:27 +0200 | [diff] [blame] | 4232 | if (b43_bus_host_is_sdio(dev->dev)) { |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 4233 | err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler); |
| 4234 | if (err) { |
| 4235 | b43err(dev->wl, "Cannot request SDIO IRQ\n"); |
| 4236 | goto out; |
| 4237 | } |
| 4238 | } else { |
Rafał Miłecki | a18c715 | 2011-05-18 02:06:40 +0200 | [diff] [blame] | 4239 | err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler, |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 4240 | b43_interrupt_thread_handler, |
| 4241 | IRQF_SHARED, KBUILD_MODNAME, dev); |
| 4242 | if (err) { |
Rafał Miłecki | dedb1eb | 2011-05-14 00:04:38 +0200 | [diff] [blame] | 4243 | b43err(dev->wl, "Cannot request IRQ-%d\n", |
Rafał Miłecki | a18c715 | 2011-05-18 02:06:40 +0200 | [diff] [blame] | 4244 | dev->dev->irq); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 4245 | goto out; |
| 4246 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4247 | } |
| 4248 | |
| 4249 | /* We are ready to run. */ |
Larry Finger | 0866b03 | 2010-02-03 13:33:44 -0600 | [diff] [blame] | 4250 | ieee80211_wake_queues(dev->wl->hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4251 | b43_set_status(dev, B43_STAT_STARTED); |
| 4252 | |
| 4253 | /* Start data flow (TX/RX). */ |
| 4254 | b43_mac_enable(dev); |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 4255 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4256 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 4257 | /* Start maintenance work */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4258 | b43_periodic_tasks_setup(dev); |
| 4259 | |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 4260 | b43_leds_init(dev); |
| 4261 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4262 | b43dbg(dev->wl, "Wireless interface started\n"); |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 4263 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4264 | return err; |
| 4265 | } |
| 4266 | |
| 4267 | /* Get PHY and RADIO versioning numbers */ |
| 4268 | static int b43_phy_versioning(struct b43_wldev *dev) |
| 4269 | { |
| 4270 | struct b43_phy *phy = &dev->phy; |
| 4271 | u32 tmp; |
| 4272 | u8 analog_type; |
| 4273 | u8 phy_type; |
| 4274 | u8 phy_rev; |
| 4275 | u16 radio_manuf; |
| 4276 | u16 radio_ver; |
| 4277 | u16 radio_rev; |
| 4278 | int unsupported = 0; |
| 4279 | |
| 4280 | /* Get PHY versioning */ |
| 4281 | tmp = b43_read16(dev, B43_MMIO_PHY_VER); |
| 4282 | analog_type = (tmp & B43_PHYVER_ANALOG) >> B43_PHYVER_ANALOG_SHIFT; |
| 4283 | phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT; |
| 4284 | phy_rev = (tmp & B43_PHYVER_VERSION); |
| 4285 | switch (phy_type) { |
| 4286 | case B43_PHYTYPE_A: |
| 4287 | if (phy_rev >= 4) |
| 4288 | unsupported = 1; |
| 4289 | break; |
| 4290 | case B43_PHYTYPE_B: |
| 4291 | if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 |
| 4292 | && phy_rev != 7) |
| 4293 | unsupported = 1; |
| 4294 | break; |
| 4295 | case B43_PHYTYPE_G: |
Larry Finger | 013978b | 2007-11-26 10:29:47 -0600 | [diff] [blame] | 4296 | if (phy_rev > 9) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4297 | unsupported = 1; |
| 4298 | break; |
Rafał Miłecki | 692d2c0 | 2010-12-07 21:56:00 +0100 | [diff] [blame] | 4299 | #ifdef CONFIG_B43_PHY_N |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 4300 | case B43_PHYTYPE_N: |
Rafał Miłecki | ab72efd | 2010-12-21 21:29:44 +0100 | [diff] [blame] | 4301 | if (phy_rev > 9) |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 4302 | unsupported = 1; |
| 4303 | break; |
| 4304 | #endif |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4305 | #ifdef CONFIG_B43_PHY_LP |
| 4306 | case B43_PHYTYPE_LP: |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4307 | if (phy_rev > 2) |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4308 | unsupported = 1; |
| 4309 | break; |
| 4310 | #endif |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 4311 | #ifdef CONFIG_B43_PHY_HT |
| 4312 | case B43_PHYTYPE_HT: |
| 4313 | if (phy_rev > 1) |
| 4314 | unsupported = 1; |
| 4315 | break; |
| 4316 | #endif |
Rafał Miłecki | 1d738e6 | 2011-07-07 15:25:27 +0200 | [diff] [blame] | 4317 | #ifdef CONFIG_B43_PHY_LCN |
| 4318 | case B43_PHYTYPE_LCN: |
| 4319 | if (phy_rev > 1) |
| 4320 | unsupported = 1; |
| 4321 | break; |
| 4322 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4323 | default: |
| 4324 | unsupported = 1; |
Joe Perches | 6403eab | 2011-06-03 11:51:20 +0000 | [diff] [blame] | 4325 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4326 | if (unsupported) { |
| 4327 | b43err(dev->wl, "FOUND UNSUPPORTED PHY " |
| 4328 | "(Analog %u, Type %u, Revision %u)\n", |
| 4329 | analog_type, phy_type, phy_rev); |
| 4330 | return -EOPNOTSUPP; |
| 4331 | } |
| 4332 | b43dbg(dev->wl, "Found PHY: Analog %u, Type %u, Revision %u\n", |
| 4333 | analog_type, phy_type, phy_rev); |
| 4334 | |
| 4335 | /* Get RADIO versioning */ |
Rafał Miłecki | 3fd4850 | 2011-07-06 20:27:24 +0200 | [diff] [blame] | 4336 | if (dev->dev->core_rev >= 24) { |
Rafał Miłecki | 544e5d8 | 2011-07-06 20:27:25 +0200 | [diff] [blame] | 4337 | u16 radio24[3]; |
| 4338 | |
| 4339 | for (tmp = 0; tmp < 3; tmp++) { |
| 4340 | b43_write16(dev, B43_MMIO_RADIO24_CONTROL, tmp); |
| 4341 | radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA); |
| 4342 | } |
| 4343 | |
| 4344 | /* Broadcom uses "id" for our "ver" and has separated "ver" */ |
| 4345 | /* radio_ver = (radio24[0] & 0xF0) >> 4; */ |
| 4346 | |
| 4347 | radio_manuf = 0x17F; |
| 4348 | radio_ver = (radio24[2] << 8) | radio24[1]; |
| 4349 | radio_rev = (radio24[0] & 0xF); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4350 | } else { |
Rafał Miłecki | 3fd4850 | 2011-07-06 20:27:24 +0200 | [diff] [blame] | 4351 | if (dev->dev->chip_id == 0x4317) { |
| 4352 | if (dev->dev->chip_rev == 0) |
| 4353 | tmp = 0x3205017F; |
| 4354 | else if (dev->dev->chip_rev == 1) |
| 4355 | tmp = 0x4205017F; |
| 4356 | else |
| 4357 | tmp = 0x5205017F; |
| 4358 | } else { |
| 4359 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, |
| 4360 | B43_RADIOCTL_ID); |
| 4361 | tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); |
| 4362 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, |
| 4363 | B43_RADIOCTL_ID); |
| 4364 | tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) |
| 4365 | << 16; |
| 4366 | } |
| 4367 | radio_manuf = (tmp & 0x00000FFF); |
| 4368 | radio_ver = (tmp & 0x0FFFF000) >> 12; |
| 4369 | radio_rev = (tmp & 0xF0000000) >> 28; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4370 | } |
Rafał Miłecki | 3fd4850 | 2011-07-06 20:27:24 +0200 | [diff] [blame] | 4371 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4372 | if (radio_manuf != 0x17F /* Broadcom */) |
| 4373 | unsupported = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4374 | switch (phy_type) { |
| 4375 | case B43_PHYTYPE_A: |
| 4376 | if (radio_ver != 0x2060) |
| 4377 | unsupported = 1; |
| 4378 | if (radio_rev != 1) |
| 4379 | unsupported = 1; |
| 4380 | if (radio_manuf != 0x17F) |
| 4381 | unsupported = 1; |
| 4382 | break; |
| 4383 | case B43_PHYTYPE_B: |
| 4384 | if ((radio_ver & 0xFFF0) != 0x2050) |
| 4385 | unsupported = 1; |
| 4386 | break; |
| 4387 | case B43_PHYTYPE_G: |
| 4388 | if (radio_ver != 0x2050) |
| 4389 | unsupported = 1; |
| 4390 | break; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4391 | case B43_PHYTYPE_N: |
Johannes Berg | bb519be | 2008-12-24 15:26:40 +0100 | [diff] [blame] | 4392 | if (radio_ver != 0x2055 && radio_ver != 0x2056) |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4393 | unsupported = 1; |
| 4394 | break; |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4395 | case B43_PHYTYPE_LP: |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4396 | if (radio_ver != 0x2062 && radio_ver != 0x2063) |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4397 | unsupported = 1; |
| 4398 | break; |
Rafał Miłecki | d7520b1 | 2011-06-13 16:20:06 +0200 | [diff] [blame] | 4399 | case B43_PHYTYPE_HT: |
| 4400 | if (radio_ver != 0x2059) |
| 4401 | unsupported = 1; |
| 4402 | break; |
Rafał Miłecki | 1d738e6 | 2011-07-07 15:25:27 +0200 | [diff] [blame] | 4403 | case B43_PHYTYPE_LCN: |
| 4404 | if (radio_ver != 0x2064) |
| 4405 | unsupported = 1; |
| 4406 | break; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4407 | default: |
| 4408 | B43_WARN_ON(1); |
| 4409 | } |
| 4410 | if (unsupported) { |
| 4411 | b43err(dev->wl, "FOUND UNSUPPORTED RADIO " |
| 4412 | "(Manuf 0x%X, Version 0x%X, Revision %u)\n", |
| 4413 | radio_manuf, radio_ver, radio_rev); |
| 4414 | return -EOPNOTSUPP; |
| 4415 | } |
| 4416 | b43dbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n", |
| 4417 | radio_manuf, radio_ver, radio_rev); |
| 4418 | |
| 4419 | phy->radio_manuf = radio_manuf; |
| 4420 | phy->radio_ver = radio_ver; |
| 4421 | phy->radio_rev = radio_rev; |
| 4422 | |
| 4423 | phy->analog = analog_type; |
| 4424 | phy->type = phy_type; |
| 4425 | phy->rev = phy_rev; |
| 4426 | |
| 4427 | return 0; |
| 4428 | } |
| 4429 | |
| 4430 | static void setup_struct_phy_for_init(struct b43_wldev *dev, |
| 4431 | struct b43_phy *phy) |
| 4432 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4433 | phy->hardware_power_control = !!modparam_hwpctl; |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 4434 | phy->next_txpwr_check_time = jiffies; |
Michael Buesch | 8ed7fc4 | 2007-12-09 22:34:59 +0100 | [diff] [blame] | 4435 | /* PHY TX errors counter. */ |
| 4436 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
Michael Buesch | 591f3dc | 2009-03-31 12:27:32 +0200 | [diff] [blame] | 4437 | |
| 4438 | #if B43_DEBUG |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4439 | phy->phy_locked = false; |
| 4440 | phy->radio_locked = false; |
Michael Buesch | 591f3dc | 2009-03-31 12:27:32 +0200 | [diff] [blame] | 4441 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4442 | } |
| 4443 | |
| 4444 | static void setup_struct_wldev_for_init(struct b43_wldev *dev) |
| 4445 | { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4446 | dev->dfq_valid = false; |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 4447 | |
Michael Buesch | 6a724d6 | 2007-09-20 22:12:58 +0200 | [diff] [blame] | 4448 | /* Assume the radio is enabled. If it's not enabled, the state will |
| 4449 | * immediately get fixed on the first periodic work run. */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4450 | dev->radio_hw_enable = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4451 | |
| 4452 | /* Stats */ |
| 4453 | memset(&dev->stats, 0, sizeof(dev->stats)); |
| 4454 | |
| 4455 | setup_struct_phy_for_init(dev, &dev->phy); |
| 4456 | |
| 4457 | /* IRQ related flags */ |
| 4458 | dev->irq_reason = 0; |
| 4459 | memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 4460 | dev->irq_mask = B43_IRQ_MASKTEMPLATE; |
Michael Buesch | 3e3ccb3 | 2009-03-19 19:27:21 +0100 | [diff] [blame] | 4461 | if (b43_modparam_verbose < B43_VERBOSITY_DEBUG) |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 4462 | dev->irq_mask &= ~B43_IRQ_PHY_TXERR; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4463 | |
| 4464 | dev->mac_suspended = 1; |
| 4465 | |
| 4466 | /* Noise calculation context */ |
| 4467 | memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); |
| 4468 | } |
| 4469 | |
| 4470 | static void b43_bluetooth_coext_enable(struct b43_wldev *dev) |
| 4471 | { |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame] | 4472 | struct ssb_sprom *sprom = dev->dev->bus_sprom; |
Michael Buesch | a259d6a | 2008-04-18 21:06:37 +0200 | [diff] [blame] | 4473 | u64 hf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4474 | |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4475 | if (!modparam_btcoex) |
| 4476 | return; |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4477 | if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4478 | return; |
| 4479 | if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode) |
| 4480 | return; |
| 4481 | |
| 4482 | hf = b43_hf_read(dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4483 | if (sprom->boardflags_lo & B43_BFL_BTCMOD) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4484 | hf |= B43_HF_BTCOEXALT; |
| 4485 | else |
| 4486 | hf |= B43_HF_BTCOEX; |
| 4487 | b43_hf_write(dev, hf); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4488 | } |
| 4489 | |
| 4490 | static void b43_bluetooth_coext_disable(struct b43_wldev *dev) |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4491 | { |
| 4492 | if (!modparam_btcoex) |
| 4493 | return; |
| 4494 | //TODO |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4495 | } |
| 4496 | |
| 4497 | static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev) |
| 4498 | { |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 4499 | struct ssb_bus *bus; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4500 | u32 tmp; |
| 4501 | |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 4502 | if (dev->dev->bus_type != B43_BUS_SSB) |
| 4503 | return; |
| 4504 | |
| 4505 | bus = dev->dev->sdev->bus; |
| 4506 | |
Rafał Miłecki | 0fd82ea | 2011-05-11 02:10:59 +0200 | [diff] [blame] | 4507 | if ((bus->chip_id == 0x4311 && bus->chip_rev == 2) || |
| 4508 | (bus->chip_id == 0x4312)) { |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 4509 | tmp = ssb_read32(dev->dev->sdev, SSB_IMCFGLO); |
Rafał Miłecki | 0fd82ea | 2011-05-11 02:10:59 +0200 | [diff] [blame] | 4510 | tmp &= ~SSB_IMCFGLO_REQTO; |
| 4511 | tmp &= ~SSB_IMCFGLO_SERTO; |
| 4512 | tmp |= 0x3; |
Rafał Miłecki | d48ae5c | 2011-05-19 15:11:26 +0200 | [diff] [blame] | 4513 | ssb_write32(dev->dev->sdev, SSB_IMCFGLO, tmp); |
Rafał Miłecki | 0fd82ea | 2011-05-11 02:10:59 +0200 | [diff] [blame] | 4514 | ssb_commit_settings(bus); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4515 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4516 | } |
| 4517 | |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4518 | static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle) |
| 4519 | { |
| 4520 | u16 pu_delay; |
| 4521 | |
| 4522 | /* The time value is in microseconds. */ |
| 4523 | if (dev->phy.type == B43_PHYTYPE_A) |
| 4524 | pu_delay = 3700; |
| 4525 | else |
| 4526 | pu_delay = 1050; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 4527 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle) |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4528 | pu_delay = 500; |
| 4529 | if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8)) |
| 4530 | pu_delay = max(pu_delay, (u16)2400); |
| 4531 | |
| 4532 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay); |
| 4533 | } |
| 4534 | |
| 4535 | /* Set the TSF CFP pre-TargetBeaconTransmissionTime. */ |
| 4536 | static void b43_set_pretbtt(struct b43_wldev *dev) |
| 4537 | { |
| 4538 | u16 pretbtt; |
| 4539 | |
| 4540 | /* The time value is in microseconds. */ |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 4541 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) { |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4542 | pretbtt = 2; |
| 4543 | } else { |
| 4544 | if (dev->phy.type == B43_PHYTYPE_A) |
| 4545 | pretbtt = 120; |
| 4546 | else |
| 4547 | pretbtt = 250; |
| 4548 | } |
| 4549 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt); |
| 4550 | b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt); |
| 4551 | } |
| 4552 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4553 | /* Shutdown a wireless core */ |
| 4554 | /* Locking: wl->mutex */ |
| 4555 | static void b43_wireless_core_exit(struct b43_wldev *dev) |
| 4556 | { |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4557 | B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED); |
| 4558 | if (!dev || b43_status(dev) != B43_STAT_INITIALIZED) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4559 | return; |
John W. Linville | 84c164a | 2010-08-06 15:31:45 -0400 | [diff] [blame] | 4560 | |
| 4561 | /* Unregister HW RNG driver */ |
| 4562 | b43_rng_exit(dev->wl); |
| 4563 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4564 | b43_set_status(dev, B43_STAT_UNINIT); |
| 4565 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 4566 | /* Stop the microcode PSM. */ |
Rafał Miłecki | 5056635 | 2012-01-02 19:31:21 +0100 | [diff] [blame] | 4567 | b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PSM_RUN, |
| 4568 | B43_MACCTL_PSM_JMP0); |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 4569 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4570 | b43_dma_free(dev); |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 4571 | b43_pio_free(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4572 | b43_chip_exit(dev); |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 4573 | dev->phy.ops->switch_analog(dev, 0); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4574 | if (dev->wl->current_beacon) { |
| 4575 | dev_kfree_skb_any(dev->wl->current_beacon); |
| 4576 | dev->wl->current_beacon = NULL; |
| 4577 | } |
| 4578 | |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 4579 | b43_device_disable(dev, 0); |
| 4580 | b43_bus_may_powerdown(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4581 | } |
| 4582 | |
| 4583 | /* Initialize a wireless core */ |
| 4584 | static int b43_wireless_core_init(struct b43_wldev *dev) |
| 4585 | { |
Rafał Miłecki | 0581483 | 2011-05-18 02:06:39 +0200 | [diff] [blame] | 4586 | struct ssb_sprom *sprom = dev->dev->bus_sprom; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4587 | struct b43_phy *phy = &dev->phy; |
| 4588 | int err; |
Michael Buesch | a259d6a | 2008-04-18 21:06:37 +0200 | [diff] [blame] | 4589 | u64 hf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4590 | |
| 4591 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
| 4592 | |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 4593 | err = b43_bus_powerup(dev, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4594 | if (err) |
| 4595 | goto out; |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 4596 | if (!b43_device_is_enabled(dev)) |
| 4597 | b43_wireless_core_reset(dev, phy->gmode); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4598 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4599 | /* Reset all data structures. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4600 | setup_struct_wldev_for_init(dev); |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4601 | phy->ops->prepare_structs(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4602 | |
| 4603 | /* Enable IRQ routing to this device. */ |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 4604 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 4605 | #ifdef CONFIG_B43_BCMA |
| 4606 | case B43_BUS_BCMA: |
| 4607 | bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci, |
| 4608 | dev->dev->bdev, true); |
| 4609 | break; |
| 4610 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 4611 | #ifdef CONFIG_B43_SSB |
| 4612 | case B43_BUS_SSB: |
| 4613 | ssb_pcicore_dev_irqvecs_enable(&dev->dev->sdev->bus->pcicore, |
| 4614 | dev->dev->sdev); |
| 4615 | break; |
| 4616 | #endif |
| 4617 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4618 | |
| 4619 | b43_imcfglo_timeouts_workaround(dev); |
| 4620 | b43_bluetooth_coext_disable(dev); |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4621 | if (phy->ops->prepare_hardware) { |
| 4622 | err = phy->ops->prepare_hardware(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4623 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4624 | goto err_busdown; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4625 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4626 | err = b43_chip_init(dev); |
| 4627 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4628 | goto err_busdown; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4629 | b43_shm_write16(dev, B43_SHM_SHARED, |
Rafał Miłecki | 21d889d | 2011-05-18 02:06:38 +0200 | [diff] [blame] | 4630 | B43_SHM_SH_WLCOREREV, dev->dev->core_rev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4631 | hf = b43_hf_read(dev); |
| 4632 | if (phy->type == B43_PHYTYPE_G) { |
| 4633 | hf |= B43_HF_SYMW; |
| 4634 | if (phy->rev == 1) |
| 4635 | hf |= B43_HF_GDCW; |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4636 | if (sprom->boardflags_lo & B43_BFL_PACTRL) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4637 | hf |= B43_HF_OFDMPABOOST; |
Michael Buesch | 969d15c | 2009-02-20 14:27:15 +0100 | [diff] [blame] | 4638 | } |
| 4639 | if (phy->radio_ver == 0x2050) { |
| 4640 | if (phy->radio_rev == 6) |
| 4641 | hf |= B43_HF_4318TSSI; |
| 4642 | if (phy->radio_rev < 6) |
| 4643 | hf |= B43_HF_VCORECALC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4644 | } |
Michael Buesch | 1cc8f47 | 2009-02-20 14:47:56 +0100 | [diff] [blame] | 4645 | if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW) |
| 4646 | hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */ |
Michael Buesch | 1a77733 | 2009-03-04 16:41:10 +0100 | [diff] [blame] | 4647 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 4648 | if (dev->dev->bus_type == B43_BUS_SSB && |
| 4649 | dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI && |
| 4650 | dev->dev->sdev->bus->pcicore.dev->id.revision <= 10) |
Michael Buesch | 8821905 | 2009-02-20 14:58:59 +0100 | [diff] [blame] | 4651 | hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */ |
Michael Buesch | 1a77733 | 2009-03-04 16:41:10 +0100 | [diff] [blame] | 4652 | #endif |
Michael Buesch | 25d3ef5 | 2009-02-20 15:39:21 +0100 | [diff] [blame] | 4653 | hf &= ~B43_HF_SKCFPUP; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4654 | b43_hf_write(dev, hf); |
| 4655 | |
Michael Buesch | 74cfdba | 2007-10-28 16:19:44 +0100 | [diff] [blame] | 4656 | b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT, |
| 4657 | B43_DEFAULT_LONG_RETRY_LIMIT); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4658 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3); |
| 4659 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2); |
| 4660 | |
| 4661 | /* Disable sending probe responses from firmware. |
| 4662 | * Setting the MaxTime to one usec will always trigger |
| 4663 | * a timeout, so we never send any probe resp. |
| 4664 | * A timeout of zero is infinite. */ |
| 4665 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1); |
| 4666 | |
| 4667 | b43_rate_memory_init(dev); |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 4668 | b43_set_phytxctl_defaults(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4669 | |
| 4670 | /* Minimum Contention Window */ |
Daniel Ngu | c5a079f | 2010-03-23 00:52:44 +1300 | [diff] [blame] | 4671 | if (phy->type == B43_PHYTYPE_B) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4672 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0x1F); |
Daniel Ngu | c5a079f | 2010-03-23 00:52:44 +1300 | [diff] [blame] | 4673 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4674 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0xF); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4675 | /* Maximum Contention Window */ |
| 4676 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF); |
| 4677 | |
Rafał Miłecki | 505fb01 | 2011-05-19 15:11:27 +0200 | [diff] [blame] | 4678 | if (b43_bus_host_is_pcmcia(dev->dev) || |
Rafał Miłecki | cbe1e82 | 2011-08-16 21:44:21 +0200 | [diff] [blame] | 4679 | b43_bus_host_is_sdio(dev->dev)) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4680 | dev->__using_pio_transfers = true; |
Rafał Miłecki | cbe1e82 | 2011-08-16 21:44:21 +0200 | [diff] [blame] | 4681 | err = b43_pio_init(dev); |
| 4682 | } else if (dev->use_pio) { |
| 4683 | b43warn(dev->wl, "Forced PIO by use_pio module parameter. " |
| 4684 | "This should not be needed and will result in lower " |
| 4685 | "performance.\n"); |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4686 | dev->__using_pio_transfers = true; |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 4687 | err = b43_pio_init(dev); |
| 4688 | } else { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4689 | dev->__using_pio_transfers = false; |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 4690 | err = b43_dma_init(dev); |
| 4691 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4692 | if (err) |
| 4693 | goto err_chip_exit; |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 4694 | b43_qos_init(dev); |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4695 | b43_set_synth_pu_delay(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4696 | b43_bluetooth_coext_enable(dev); |
| 4697 | |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 4698 | b43_bus_powerup(dev, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4699 | b43_upload_card_macaddress(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4700 | b43_security_init(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4701 | |
Michael Buesch | 5ab9549 | 2009-09-10 20:31:46 +0200 | [diff] [blame] | 4702 | ieee80211_wake_queues(dev->wl->hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4703 | |
| 4704 | b43_set_status(dev, B43_STAT_INITIALIZED); |
| 4705 | |
John W. Linville | 84c164a | 2010-08-06 15:31:45 -0400 | [diff] [blame] | 4706 | /* Register HW RNG driver */ |
| 4707 | b43_rng_init(dev->wl); |
| 4708 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 4709 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4710 | return err; |
| 4711 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4712 | err_chip_exit: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4713 | b43_chip_exit(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4714 | err_busdown: |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 4715 | b43_bus_may_powerdown(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4716 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
| 4717 | return err; |
| 4718 | } |
| 4719 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4720 | static int b43_op_add_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4721 | struct ieee80211_vif *vif) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4722 | { |
| 4723 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4724 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4725 | int err = -EOPNOTSUPP; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4726 | |
| 4727 | /* TODO: allow WDS/AP devices to coexist */ |
| 4728 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4729 | if (vif->type != NL80211_IFTYPE_AP && |
| 4730 | vif->type != NL80211_IFTYPE_MESH_POINT && |
| 4731 | vif->type != NL80211_IFTYPE_STATION && |
| 4732 | vif->type != NL80211_IFTYPE_WDS && |
| 4733 | vif->type != NL80211_IFTYPE_ADHOC) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4734 | return -EOPNOTSUPP; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4735 | |
| 4736 | mutex_lock(&wl->mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4737 | if (wl->operating) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4738 | goto out_mutex_unlock; |
| 4739 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4740 | b43dbg(wl, "Adding Interface type %d\n", vif->type); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4741 | |
| 4742 | dev = wl->current_dev; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4743 | wl->operating = true; |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4744 | wl->vif = vif; |
| 4745 | wl->if_type = vif->type; |
| 4746 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4747 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4748 | b43_adjust_opmode(dev); |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4749 | b43_set_pretbtt(dev); |
| 4750 | b43_set_synth_pu_delay(dev, 0); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4751 | b43_upload_card_macaddress(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4752 | |
| 4753 | err = 0; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4754 | out_mutex_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4755 | mutex_unlock(&wl->mutex); |
| 4756 | |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 4757 | if (err == 0) |
| 4758 | b43_op_bss_info_changed(hw, vif, &vif->bss_conf, ~0); |
| 4759 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4760 | return err; |
| 4761 | } |
| 4762 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4763 | static void b43_op_remove_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4764 | struct ieee80211_vif *vif) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4765 | { |
| 4766 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4767 | struct b43_wldev *dev = wl->current_dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4768 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4769 | b43dbg(wl, "Removing Interface type %d\n", vif->type); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4770 | |
| 4771 | mutex_lock(&wl->mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4772 | |
| 4773 | B43_WARN_ON(!wl->operating); |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4774 | B43_WARN_ON(wl->vif != vif); |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 4775 | wl->vif = NULL; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4776 | |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4777 | wl->operating = false; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4778 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4779 | b43_adjust_opmode(dev); |
| 4780 | memset(wl->mac_addr, 0, ETH_ALEN); |
| 4781 | b43_upload_card_macaddress(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4782 | |
| 4783 | mutex_unlock(&wl->mutex); |
| 4784 | } |
| 4785 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4786 | static int b43_op_start(struct ieee80211_hw *hw) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4787 | { |
| 4788 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4789 | struct b43_wldev *dev = wl->current_dev; |
| 4790 | int did_init = 0; |
WANG Cong | 923403b | 2007-10-16 14:29:38 -0700 | [diff] [blame] | 4791 | int err = 0; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4792 | |
Michael Buesch | 7be1bb6 | 2008-01-23 21:10:56 +0100 | [diff] [blame] | 4793 | /* Kill all old instance specific information to make sure |
| 4794 | * the card won't use it in the short timeframe between start |
| 4795 | * and mac80211 reconfiguring it. */ |
| 4796 | memset(wl->bssid, 0, ETH_ALEN); |
| 4797 | memset(wl->mac_addr, 0, ETH_ALEN); |
| 4798 | wl->filter_flags = 0; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4799 | wl->radiotap_enabled = false; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 4800 | b43_qos_clear(wl); |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4801 | wl->beacon0_uploaded = false; |
| 4802 | wl->beacon1_uploaded = false; |
| 4803 | wl->beacon_templates_virgin = true; |
| 4804 | wl->radio_enabled = true; |
Michael Buesch | 7be1bb6 | 2008-01-23 21:10:56 +0100 | [diff] [blame] | 4805 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4806 | mutex_lock(&wl->mutex); |
| 4807 | |
| 4808 | if (b43_status(dev) < B43_STAT_INITIALIZED) { |
| 4809 | err = b43_wireless_core_init(dev); |
Johannes Berg | f41f3f3 | 2009-06-07 12:30:34 -0500 | [diff] [blame] | 4810 | if (err) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4811 | goto out_mutex_unlock; |
| 4812 | did_init = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4813 | } |
| 4814 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4815 | if (b43_status(dev) < B43_STAT_STARTED) { |
| 4816 | err = b43_wireless_core_start(dev); |
| 4817 | if (err) { |
| 4818 | if (did_init) |
| 4819 | b43_wireless_core_exit(dev); |
| 4820 | goto out_mutex_unlock; |
| 4821 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4822 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4823 | |
Johannes Berg | f41f3f3 | 2009-06-07 12:30:34 -0500 | [diff] [blame] | 4824 | /* XXX: only do if device doesn't support rfkill irq */ |
| 4825 | wiphy_rfkill_start_polling(hw->wiphy); |
| 4826 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4827 | out_mutex_unlock: |
| 4828 | mutex_unlock(&wl->mutex); |
| 4829 | |
Seth Forshee | dbdedbd | 2012-04-25 17:28:00 -0500 | [diff] [blame] | 4830 | /* |
| 4831 | * Configuration may have been overwritten during initialization. |
| 4832 | * Reload the configuration, but only if initialization was |
| 4833 | * successful. Reloading the configuration after a failed init |
| 4834 | * may hang the system. |
| 4835 | */ |
| 4836 | if (!err) |
| 4837 | b43_op_config(hw, ~0); |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 4838 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4839 | return err; |
| 4840 | } |
| 4841 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4842 | static void b43_op_stop(struct ieee80211_hw *hw) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4843 | { |
| 4844 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4845 | struct b43_wldev *dev = wl->current_dev; |
| 4846 | |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 4847 | cancel_work_sync(&(wl->beacon_update_trigger)); |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 4848 | |
Guennadi Liakhovetski | ccde8a4 | 2012-01-06 12:58:16 +0100 | [diff] [blame] | 4849 | if (!dev) |
| 4850 | goto out; |
| 4851 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4852 | mutex_lock(&wl->mutex); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4853 | if (b43_status(dev) >= B43_STAT_STARTED) { |
| 4854 | dev = b43_wireless_core_stop(dev); |
| 4855 | if (!dev) |
| 4856 | goto out_unlock; |
| 4857 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4858 | b43_wireless_core_exit(dev); |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 4859 | wl->radio_enabled = false; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4860 | |
| 4861 | out_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4862 | mutex_unlock(&wl->mutex); |
Guennadi Liakhovetski | ccde8a4 | 2012-01-06 12:58:16 +0100 | [diff] [blame] | 4863 | out: |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 4864 | cancel_work_sync(&(wl->txpower_adjust_work)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4865 | } |
| 4866 | |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 4867 | static int b43_op_beacon_set_tim(struct ieee80211_hw *hw, |
| 4868 | struct ieee80211_sta *sta, bool set) |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4869 | { |
| 4870 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4871 | |
Felix Fietkau | 8f61128 | 2009-11-07 18:37:37 +0100 | [diff] [blame] | 4872 | /* FIXME: add locking */ |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 4873 | b43_update_templates(wl); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4874 | |
| 4875 | return 0; |
| 4876 | } |
| 4877 | |
Johannes Berg | 38968d0 | 2008-02-25 16:27:50 +0100 | [diff] [blame] | 4878 | static void b43_op_sta_notify(struct ieee80211_hw *hw, |
| 4879 | struct ieee80211_vif *vif, |
| 4880 | enum sta_notify_cmd notify_cmd, |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 4881 | struct ieee80211_sta *sta) |
Johannes Berg | 38968d0 | 2008-02-25 16:27:50 +0100 | [diff] [blame] | 4882 | { |
| 4883 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4884 | |
| 4885 | B43_WARN_ON(!vif || wl->vif != vif); |
| 4886 | } |
| 4887 | |
Michael Buesch | 25d3ef5 | 2009-02-20 15:39:21 +0100 | [diff] [blame] | 4888 | static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw) |
| 4889 | { |
| 4890 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4891 | struct b43_wldev *dev; |
| 4892 | |
| 4893 | mutex_lock(&wl->mutex); |
| 4894 | dev = wl->current_dev; |
| 4895 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { |
| 4896 | /* Disable CFP update during scan on other channels. */ |
| 4897 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP); |
| 4898 | } |
| 4899 | mutex_unlock(&wl->mutex); |
| 4900 | } |
| 4901 | |
| 4902 | static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw) |
| 4903 | { |
| 4904 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4905 | struct b43_wldev *dev; |
| 4906 | |
| 4907 | mutex_lock(&wl->mutex); |
| 4908 | dev = wl->current_dev; |
| 4909 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { |
| 4910 | /* Re-enable CFP update. */ |
| 4911 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP); |
| 4912 | } |
| 4913 | mutex_unlock(&wl->mutex); |
| 4914 | } |
| 4915 | |
John W. Linville | 354b4f0 | 2010-04-29 15:56:06 -0400 | [diff] [blame] | 4916 | static int b43_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 4917 | struct survey_info *survey) |
| 4918 | { |
| 4919 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4920 | struct b43_wldev *dev = wl->current_dev; |
| 4921 | struct ieee80211_conf *conf = &hw->conf; |
| 4922 | |
| 4923 | if (idx != 0) |
| 4924 | return -ENOENT; |
| 4925 | |
| 4926 | survey->channel = conf->channel; |
| 4927 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 4928 | survey->noise = dev->stats.link_noise; |
| 4929 | |
| 4930 | return 0; |
| 4931 | } |
| 4932 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4933 | static const struct ieee80211_ops b43_hw_ops = { |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4934 | .tx = b43_op_tx, |
| 4935 | .conf_tx = b43_op_conf_tx, |
| 4936 | .add_interface = b43_op_add_interface, |
| 4937 | .remove_interface = b43_op_remove_interface, |
| 4938 | .config = b43_op_config, |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 4939 | .bss_info_changed = b43_op_bss_info_changed, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4940 | .configure_filter = b43_op_configure_filter, |
| 4941 | .set_key = b43_op_set_key, |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 4942 | .update_tkip_key = b43_op_update_tkip_key, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4943 | .get_stats = b43_op_get_stats, |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 4944 | .get_tsf = b43_op_get_tsf, |
| 4945 | .set_tsf = b43_op_set_tsf, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4946 | .start = b43_op_start, |
| 4947 | .stop = b43_op_stop, |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4948 | .set_tim = b43_op_beacon_set_tim, |
Johannes Berg | 38968d0 | 2008-02-25 16:27:50 +0100 | [diff] [blame] | 4949 | .sta_notify = b43_op_sta_notify, |
Michael Buesch | 25d3ef5 | 2009-02-20 15:39:21 +0100 | [diff] [blame] | 4950 | .sw_scan_start = b43_op_sw_scan_start_notifier, |
| 4951 | .sw_scan_complete = b43_op_sw_scan_complete_notifier, |
John W. Linville | 354b4f0 | 2010-04-29 15:56:06 -0400 | [diff] [blame] | 4952 | .get_survey = b43_op_get_survey, |
Johannes Berg | f41f3f3 | 2009-06-07 12:30:34 -0500 | [diff] [blame] | 4953 | .rfkill_poll = b43_rfkill_poll, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4954 | }; |
| 4955 | |
| 4956 | /* Hard-reset the chip. Do not call this directly. |
| 4957 | * Use b43_controller_restart() |
| 4958 | */ |
| 4959 | static void b43_chip_reset(struct work_struct *work) |
| 4960 | { |
| 4961 | struct b43_wldev *dev = |
| 4962 | container_of(work, struct b43_wldev, restart_work); |
| 4963 | struct b43_wl *wl = dev->wl; |
| 4964 | int err = 0; |
| 4965 | int prev_status; |
| 4966 | |
| 4967 | mutex_lock(&wl->mutex); |
| 4968 | |
| 4969 | prev_status = b43_status(dev); |
| 4970 | /* Bring the device down... */ |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4971 | if (prev_status >= B43_STAT_STARTED) { |
| 4972 | dev = b43_wireless_core_stop(dev); |
| 4973 | if (!dev) { |
| 4974 | err = -ENODEV; |
| 4975 | goto out; |
| 4976 | } |
| 4977 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4978 | if (prev_status >= B43_STAT_INITIALIZED) |
| 4979 | b43_wireless_core_exit(dev); |
| 4980 | |
| 4981 | /* ...and up again. */ |
| 4982 | if (prev_status >= B43_STAT_INITIALIZED) { |
| 4983 | err = b43_wireless_core_init(dev); |
| 4984 | if (err) |
| 4985 | goto out; |
| 4986 | } |
| 4987 | if (prev_status >= B43_STAT_STARTED) { |
| 4988 | err = b43_wireless_core_start(dev); |
| 4989 | if (err) { |
| 4990 | b43_wireless_core_exit(dev); |
| 4991 | goto out; |
| 4992 | } |
| 4993 | } |
Michael Buesch | 3bf0a32 | 2008-05-22 16:32:16 +0200 | [diff] [blame] | 4994 | out: |
| 4995 | if (err) |
| 4996 | wl->current_dev = NULL; /* Failed to init the dev. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4997 | mutex_unlock(&wl->mutex); |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 4998 | |
| 4999 | if (err) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5000 | b43err(wl, "Controller restart FAILED\n"); |
Felix Fietkau | 2a19032 | 2011-08-10 13:50:30 -0600 | [diff] [blame] | 5001 | return; |
| 5002 | } |
| 5003 | |
| 5004 | /* reload configuration */ |
| 5005 | b43_op_config(wl->hw, ~0); |
| 5006 | if (wl->vif) |
| 5007 | b43_op_bss_info_changed(wl->hw, wl->vif, &wl->vif->bss_conf, ~0); |
| 5008 | |
| 5009 | b43info(wl, "Controller restarted\n"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5010 | } |
| 5011 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 5012 | static int b43_setup_bands(struct b43_wldev *dev, |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 5013 | bool have_2ghz_phy, bool have_5ghz_phy) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5014 | { |
| 5015 | struct ieee80211_hw *hw = dev->wl->hw; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5016 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 5017 | if (have_2ghz_phy) |
| 5018 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &b43_band_2GHz; |
| 5019 | if (dev->phy.type == B43_PHYTYPE_N) { |
| 5020 | if (have_5ghz_phy) |
| 5021 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_nphy; |
| 5022 | } else { |
| 5023 | if (have_5ghz_phy) |
| 5024 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy; |
| 5025 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5026 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 5027 | dev->phy.supports_2ghz = have_2ghz_phy; |
| 5028 | dev->phy.supports_5ghz = have_5ghz_phy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5029 | |
| 5030 | return 0; |
| 5031 | } |
| 5032 | |
| 5033 | static void b43_wireless_core_detach(struct b43_wldev *dev) |
| 5034 | { |
| 5035 | /* We release firmware that late to not be required to re-request |
| 5036 | * is all the time when we reinit the core. */ |
| 5037 | b43_release_firmware(dev); |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 5038 | b43_phy_free(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5039 | } |
| 5040 | |
| 5041 | static int b43_wireless_core_attach(struct b43_wldev *dev) |
| 5042 | { |
| 5043 | struct b43_wl *wl = dev->wl; |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 5044 | struct pci_dev *pdev = NULL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5045 | int err; |
Rafał Miłecki | 40c6226 | 2011-07-18 02:01:30 +0200 | [diff] [blame] | 5046 | u32 tmp; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 5047 | bool have_2ghz_phy = false, have_5ghz_phy = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5048 | |
| 5049 | /* Do NOT do any device initialization here. |
| 5050 | * Do it in wireless_core_init() instead. |
| 5051 | * This function is for gathering basic information about the HW, only. |
| 5052 | * Also some structs may be set up here. But most likely you want to have |
| 5053 | * that in core_init(), too. |
| 5054 | */ |
| 5055 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 5056 | #ifdef CONFIG_B43_SSB |
| 5057 | if (dev->dev->bus_type == B43_BUS_SSB && |
| 5058 | dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) |
| 5059 | pdev = dev->dev->sdev->bus->host_pci; |
| 5060 | #endif |
| 5061 | |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 5062 | err = b43_bus_powerup(dev, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5063 | if (err) { |
| 5064 | b43err(wl, "Bus powerup failed\n"); |
| 5065 | goto out; |
| 5066 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5067 | |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 5068 | /* Get the PHY type. */ |
| 5069 | switch (dev->dev->bus_type) { |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 5070 | #ifdef CONFIG_B43_BCMA |
| 5071 | case B43_BUS_BCMA: |
Rafał Miłecki | 40c6226 | 2011-07-18 02:01:30 +0200 | [diff] [blame] | 5072 | tmp = bcma_aread32(dev->dev->bdev, BCMA_IOST); |
| 5073 | have_2ghz_phy = !!(tmp & B43_BCMA_IOST_2G_PHY); |
| 5074 | have_5ghz_phy = !!(tmp & B43_BCMA_IOST_5G_PHY); |
Rafał Miłecki | 42c9a45 | 2011-07-06 15:45:27 +0200 | [diff] [blame] | 5075 | break; |
| 5076 | #endif |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 5077 | #ifdef CONFIG_B43_SSB |
| 5078 | case B43_BUS_SSB: |
| 5079 | if (dev->dev->core_rev >= 5) { |
Rafał Miłecki | 40c6226 | 2011-07-18 02:01:30 +0200 | [diff] [blame] | 5080 | tmp = ssb_read32(dev->dev->sdev, SSB_TMSHIGH); |
| 5081 | have_2ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_2GHZ_PHY); |
| 5082 | have_5ghz_phy = !!(tmp & B43_TMSHIGH_HAVE_5GHZ_PHY); |
Rafał Miłecki | 6cbab0d | 2011-07-06 15:45:26 +0200 | [diff] [blame] | 5083 | } else |
| 5084 | B43_WARN_ON(1); |
| 5085 | break; |
| 5086 | #endif |
| 5087 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5088 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 5089 | dev->phy.gmode = have_2ghz_phy; |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 5090 | dev->phy.radio_on = true; |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 5091 | b43_wireless_core_reset(dev, dev->phy.gmode); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5092 | |
| 5093 | err = b43_phy_versioning(dev); |
| 5094 | if (err) |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 5095 | goto err_powerdown; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5096 | /* Check if this device supports multiband. */ |
| 5097 | if (!pdev || |
| 5098 | (pdev->device != 0x4312 && |
| 5099 | pdev->device != 0x4319 && pdev->device != 0x4324)) { |
| 5100 | /* No multiband support. */ |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 5101 | have_2ghz_phy = false; |
| 5102 | have_5ghz_phy = false; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5103 | switch (dev->phy.type) { |
| 5104 | case B43_PHYTYPE_A: |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 5105 | have_5ghz_phy = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5106 | break; |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 5107 | case B43_PHYTYPE_LP: //FIXME not always! |
Gábor Stefanik | 86b2892 | 2009-08-16 20:22:41 +0200 | [diff] [blame] | 5108 | #if 0 //FIXME enabling 5GHz causes a NULL pointer dereference |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 5109 | have_5ghz_phy = 1; |
Gábor Stefanik | 86b2892 | 2009-08-16 20:22:41 +0200 | [diff] [blame] | 5110 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5111 | case B43_PHYTYPE_G: |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 5112 | case B43_PHYTYPE_N: |
Rafał Miłecki | 8b9bda7 | 2011-07-07 18:58:24 +0200 | [diff] [blame] | 5113 | case B43_PHYTYPE_HT: |
| 5114 | case B43_PHYTYPE_LCN: |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 5115 | have_2ghz_phy = true; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5116 | break; |
| 5117 | default: |
| 5118 | B43_WARN_ON(1); |
| 5119 | } |
| 5120 | } |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 5121 | if (dev->phy.type == B43_PHYTYPE_A) { |
| 5122 | /* FIXME */ |
| 5123 | b43err(wl, "IEEE 802.11a devices are unsupported\n"); |
| 5124 | err = -EOPNOTSUPP; |
| 5125 | goto err_powerdown; |
| 5126 | } |
Michael Buesch | 2e35af1 | 2008-04-27 19:06:18 +0200 | [diff] [blame] | 5127 | if (1 /* disable A-PHY */) { |
| 5128 | /* FIXME: For now we disable the A-PHY on multi-PHY devices. */ |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 5129 | if (dev->phy.type != B43_PHYTYPE_N && |
| 5130 | dev->phy.type != B43_PHYTYPE_LP) { |
Rusty Russell | 3db1cd5 | 2011-12-19 13:56:45 +0000 | [diff] [blame] | 5131 | have_2ghz_phy = true; |
| 5132 | have_5ghz_phy = false; |
Michael Buesch | 2e35af1 | 2008-04-27 19:06:18 +0200 | [diff] [blame] | 5133 | } |
| 5134 | } |
| 5135 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 5136 | err = b43_phy_allocate(dev); |
| 5137 | if (err) |
| 5138 | goto err_powerdown; |
| 5139 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 5140 | dev->phy.gmode = have_2ghz_phy; |
Rafał Miłecki | 4da909e | 2011-06-02 01:07:12 +0200 | [diff] [blame] | 5141 | b43_wireless_core_reset(dev, dev->phy.gmode); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5142 | |
| 5143 | err = b43_validate_chipaccess(dev); |
| 5144 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 5145 | goto err_phy_free; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 5146 | err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5147 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 5148 | goto err_phy_free; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5149 | |
| 5150 | /* Now set some default "current_dev" */ |
| 5151 | if (!wl->current_dev) |
| 5152 | wl->current_dev = dev; |
| 5153 | INIT_WORK(&dev->restart_work, b43_chip_reset); |
| 5154 | |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 5155 | dev->phy.ops->switch_analog(dev, 0); |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 5156 | b43_device_disable(dev, 0); |
| 5157 | b43_bus_may_powerdown(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5158 | |
| 5159 | out: |
| 5160 | return err; |
| 5161 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 5162 | err_phy_free: |
| 5163 | b43_phy_free(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5164 | err_powerdown: |
Rafał Miłecki | 24ca39d | 2011-05-18 02:06:43 +0200 | [diff] [blame] | 5165 | b43_bus_may_powerdown(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5166 | return err; |
| 5167 | } |
| 5168 | |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5169 | static void b43_one_core_detach(struct b43_bus_dev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5170 | { |
| 5171 | struct b43_wldev *wldev; |
| 5172 | struct b43_wl *wl; |
| 5173 | |
Michael Buesch | 3bf0a32 | 2008-05-22 16:32:16 +0200 | [diff] [blame] | 5174 | /* Do not cancel ieee80211-workqueue based work here. |
| 5175 | * See comment in b43_remove(). */ |
| 5176 | |
Rafał Miłecki | 74abacb | 2011-07-06 15:45:28 +0200 | [diff] [blame] | 5177 | wldev = b43_bus_get_wldev(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5178 | wl = wldev->wl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5179 | b43_debugfs_remove_device(wldev); |
| 5180 | b43_wireless_core_detach(wldev); |
| 5181 | list_del(&wldev->list); |
| 5182 | wl->nr_devs--; |
Rafał Miłecki | 74abacb | 2011-07-06 15:45:28 +0200 | [diff] [blame] | 5183 | b43_bus_set_wldev(dev, NULL); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5184 | kfree(wldev); |
| 5185 | } |
| 5186 | |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5187 | static int b43_one_core_attach(struct b43_bus_dev *dev, struct b43_wl *wl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5188 | { |
| 5189 | struct b43_wldev *wldev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5190 | int err = -ENOMEM; |
| 5191 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5192 | wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); |
| 5193 | if (!wldev) |
| 5194 | goto out; |
| 5195 | |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 5196 | wldev->use_pio = b43_modparam_pio; |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5197 | wldev->dev = dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5198 | wldev->wl = wl; |
| 5199 | b43_set_status(wldev, B43_STAT_UNINIT); |
| 5200 | wldev->bad_frames_preempt = modparam_bad_frames_preempt; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5201 | INIT_LIST_HEAD(&wldev->list); |
| 5202 | |
| 5203 | err = b43_wireless_core_attach(wldev); |
| 5204 | if (err) |
| 5205 | goto err_kfree_wldev; |
| 5206 | |
| 5207 | list_add(&wldev->list, &wl->devlist); |
| 5208 | wl->nr_devs++; |
Rafał Miłecki | 74abacb | 2011-07-06 15:45:28 +0200 | [diff] [blame] | 5209 | b43_bus_set_wldev(dev, wldev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5210 | b43_debugfs_add_device(wldev); |
| 5211 | |
| 5212 | out: |
| 5213 | return err; |
| 5214 | |
| 5215 | err_kfree_wldev: |
| 5216 | kfree(wldev); |
| 5217 | return err; |
| 5218 | } |
| 5219 | |
Michael Buesch | 9fc3845 | 2008-04-19 16:53:00 +0200 | [diff] [blame] | 5220 | #define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice) ( \ |
| 5221 | (pdev->vendor == PCI_VENDOR_ID_##_vendor) && \ |
| 5222 | (pdev->device == _device) && \ |
| 5223 | (pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) && \ |
| 5224 | (pdev->subsystem_device == _subdevice) ) |
| 5225 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5226 | static void b43_sprom_fixup(struct ssb_bus *bus) |
| 5227 | { |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 5228 | struct pci_dev *pdev; |
| 5229 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5230 | /* boardflags workarounds */ |
| 5231 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL && |
| 5232 | bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74) |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 5233 | bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5234 | if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && |
| 5235 | bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40) |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 5236 | bus->sprom.boardflags_lo |= B43_BFL_PACTRL; |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 5237 | if (bus->bustype == SSB_BUSTYPE_PCI) { |
| 5238 | pdev = bus->host_pci; |
Michael Buesch | 9fc3845 | 2008-04-19 16:53:00 +0200 | [diff] [blame] | 5239 | if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) || |
Larry Finger | 430cd47 | 2008-08-14 18:57:11 -0500 | [diff] [blame] | 5240 | IS_PDEV(pdev, BROADCOM, 0x4320, DELL, 0x0003) || |
Larry Finger | 570bdfb | 2008-09-26 08:23:00 -0500 | [diff] [blame] | 5241 | IS_PDEV(pdev, BROADCOM, 0x4320, HP, 0x12f8) || |
Michael Buesch | 9fc3845 | 2008-04-19 16:53:00 +0200 | [diff] [blame] | 5242 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) || |
Larry Finger | a58d452 | 2008-08-10 10:19:33 -0500 | [diff] [blame] | 5243 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0014) || |
Larry Finger | 3bb91bf | 2008-09-19 14:47:38 -0500 | [diff] [blame] | 5244 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013) || |
| 5245 | IS_PDEV(pdev, BROADCOM, 0x4320, MOTOROLA, 0x7010)) |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 5246 | bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST; |
| 5247 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5248 | } |
| 5249 | |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5250 | static void b43_wireless_exit(struct b43_bus_dev *dev, struct b43_wl *wl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5251 | { |
| 5252 | struct ieee80211_hw *hw = wl->hw; |
| 5253 | |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5254 | ssb_set_devtypedata(dev->sdev, NULL); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5255 | ieee80211_free_hw(hw); |
| 5256 | } |
| 5257 | |
Rafał Miłecki | d150705 | 2011-07-05 23:54:07 +0200 | [diff] [blame] | 5258 | static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5259 | { |
Rafał Miłecki | d150705 | 2011-07-05 23:54:07 +0200 | [diff] [blame] | 5260 | struct ssb_sprom *sprom = dev->bus_sprom; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5261 | struct ieee80211_hw *hw; |
| 5262 | struct b43_wl *wl; |
Rafał Miłecki | 2729df2 | 2011-07-18 22:45:58 +0200 | [diff] [blame] | 5263 | char chip_name[6]; |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 5264 | int queue_num; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5265 | |
| 5266 | hw = ieee80211_alloc_hw(sizeof(*wl), &b43_hw_ops); |
| 5267 | if (!hw) { |
| 5268 | b43err(NULL, "Could not allocate ieee80211 device\n"); |
Rafał Miłecki | 0355a34 | 2011-05-17 14:00:01 +0200 | [diff] [blame] | 5269 | return ERR_PTR(-ENOMEM); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5270 | } |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5271 | wl = hw_to_b43_wl(hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5272 | |
| 5273 | /* fill hw info */ |
Johannes Berg | 605a0bd | 2008-07-15 10:10:01 +0200 | [diff] [blame] | 5274 | hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | |
John W. Linville | f5c044e | 2010-04-30 15:37:00 -0400 | [diff] [blame] | 5275 | IEEE80211_HW_SIGNAL_DBM; |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 5276 | |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 5277 | hw->wiphy->interface_modes = |
| 5278 | BIT(NL80211_IFTYPE_AP) | |
| 5279 | BIT(NL80211_IFTYPE_MESH_POINT) | |
| 5280 | BIT(NL80211_IFTYPE_STATION) | |
| 5281 | BIT(NL80211_IFTYPE_WDS) | |
| 5282 | BIT(NL80211_IFTYPE_ADHOC); |
| 5283 | |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 5284 | hw->queues = modparam_qos ? B43_QOS_QUEUE_NUM : 1; |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5285 | wl->mac80211_initially_registered_queues = hw->queues; |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 5286 | hw->max_rates = 2; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5287 | SET_IEEE80211_DEV(hw, dev->dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 5288 | if (is_valid_ether_addr(sprom->et1mac)) |
| 5289 | SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5290 | else |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 5291 | SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5292 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5293 | /* Initialize struct b43_wl */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5294 | wl->hw = hw; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5295 | mutex_init(&wl->mutex); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 5296 | spin_lock_init(&wl->hardirq_lock); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5297 | INIT_LIST_HEAD(&wl->devlist); |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 5298 | INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work); |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 5299 | INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work); |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 5300 | INIT_WORK(&wl->tx_work, b43_tx_work); |
francesco.gringoli@ing.unibs.it | bad6919 | 2011-12-16 18:34:56 +0100 | [diff] [blame] | 5301 | |
| 5302 | /* Initialize queues and flags. */ |
| 5303 | for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { |
| 5304 | skb_queue_head_init(&wl->tx_queue[queue_num]); |
| 5305 | wl->tx_queue_stopped[queue_num] = 0; |
| 5306 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5307 | |
Rafał Miłecki | 2729df2 | 2011-07-18 22:45:58 +0200 | [diff] [blame] | 5308 | snprintf(chip_name, ARRAY_SIZE(chip_name), |
| 5309 | (dev->chip_id > 0x9999) ? "%d" : "%04X", dev->chip_id); |
| 5310 | b43info(wl, "Broadcom %s WLAN found (core revision %u)\n", chip_name, |
| 5311 | dev->core_rev); |
Rafał Miłecki | 0355a34 | 2011-05-17 14:00:01 +0200 | [diff] [blame] | 5312 | return wl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5313 | } |
| 5314 | |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5315 | #ifdef CONFIG_B43_BCMA |
| 5316 | static int b43_bcma_probe(struct bcma_device *core) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5317 | { |
Rafał Miłecki | 397915c | 2011-07-06 19:03:46 +0200 | [diff] [blame] | 5318 | struct b43_bus_dev *dev; |
Rafał Miłecki | 24aad3f | 2011-07-20 20:02:39 +0200 | [diff] [blame] | 5319 | struct b43_wl *wl; |
| 5320 | int err; |
Rafał Miłecki | 397915c | 2011-07-06 19:03:46 +0200 | [diff] [blame] | 5321 | |
| 5322 | dev = b43_bus_dev_bcma_init(core); |
| 5323 | if (!dev) |
| 5324 | return -ENODEV; |
| 5325 | |
Rafał Miłecki | 24aad3f | 2011-07-20 20:02:39 +0200 | [diff] [blame] | 5326 | wl = b43_wireless_init(dev); |
| 5327 | if (IS_ERR(wl)) { |
| 5328 | err = PTR_ERR(wl); |
| 5329 | goto bcma_out; |
| 5330 | } |
| 5331 | |
| 5332 | err = b43_one_core_attach(dev, wl); |
| 5333 | if (err) |
| 5334 | goto bcma_err_wireless_exit; |
| 5335 | |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 5336 | /* setup and start work to load firmware */ |
| 5337 | INIT_WORK(&wl->firmware_load, b43_request_firmware); |
| 5338 | schedule_work(&wl->firmware_load); |
Rafał Miłecki | 24aad3f | 2011-07-20 20:02:39 +0200 | [diff] [blame] | 5339 | |
| 5340 | bcma_out: |
| 5341 | return err; |
| 5342 | |
Rafał Miłecki | 24aad3f | 2011-07-20 20:02:39 +0200 | [diff] [blame] | 5343 | bcma_err_wireless_exit: |
| 5344 | ieee80211_free_hw(wl->hw); |
| 5345 | return err; |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5346 | } |
| 5347 | |
| 5348 | static void b43_bcma_remove(struct bcma_device *core) |
| 5349 | { |
Rafał Miłecki | 24aad3f | 2011-07-20 20:02:39 +0200 | [diff] [blame] | 5350 | struct b43_wldev *wldev = bcma_get_drvdata(core); |
| 5351 | struct b43_wl *wl = wldev->wl; |
| 5352 | |
| 5353 | /* We must cancel any work here before unregistering from ieee80211, |
| 5354 | * as the ieee80211 unreg will destroy the workqueue. */ |
| 5355 | cancel_work_sync(&wldev->restart_work); |
| 5356 | |
| 5357 | /* Restore the queues count before unregistering, because firmware detect |
| 5358 | * might have modified it. Restoring is important, so the networking |
| 5359 | * stack can properly free resources. */ |
| 5360 | wl->hw->queues = wl->mac80211_initially_registered_queues; |
| 5361 | b43_leds_stop(wldev); |
| 5362 | ieee80211_unregister_hw(wl->hw); |
| 5363 | |
| 5364 | b43_one_core_detach(wldev->dev); |
| 5365 | |
| 5366 | b43_leds_unregister(wl); |
| 5367 | |
| 5368 | ieee80211_free_hw(wl->hw); |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5369 | } |
| 5370 | |
| 5371 | static struct bcma_driver b43_bcma_driver = { |
| 5372 | .name = KBUILD_MODNAME, |
| 5373 | .id_table = b43_bcma_tbl, |
| 5374 | .probe = b43_bcma_probe, |
| 5375 | .remove = b43_bcma_remove, |
| 5376 | }; |
| 5377 | #endif |
| 5378 | |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5379 | #ifdef CONFIG_B43_SSB |
Rafał Miłecki | aa63418 | 2011-05-18 02:06:35 +0200 | [diff] [blame] | 5380 | static |
| 5381 | int b43_ssb_probe(struct ssb_device *sdev, const struct ssb_device_id *id) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5382 | { |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5383 | struct b43_bus_dev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5384 | struct b43_wl *wl; |
| 5385 | int err; |
| 5386 | int first = 0; |
| 5387 | |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5388 | dev = b43_bus_dev_ssb_init(sdev); |
Dan Carpenter | 5b49b35 | 2011-06-09 10:09:34 +0300 | [diff] [blame] | 5389 | if (!dev) |
| 5390 | return -ENOMEM; |
Rafał Miłecki | 482f053 | 2011-05-18 02:06:36 +0200 | [diff] [blame] | 5391 | |
Rafał Miłecki | aa63418 | 2011-05-18 02:06:35 +0200 | [diff] [blame] | 5392 | wl = ssb_get_devtypedata(sdev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5393 | if (!wl) { |
| 5394 | /* Probing the first core. Must setup common struct b43_wl */ |
| 5395 | first = 1; |
Rafał Miłecki | aa63418 | 2011-05-18 02:06:35 +0200 | [diff] [blame] | 5396 | b43_sprom_fixup(sdev->bus); |
Rafał Miłecki | d150705 | 2011-07-05 23:54:07 +0200 | [diff] [blame] | 5397 | wl = b43_wireless_init(dev); |
Rafał Miłecki | 0355a34 | 2011-05-17 14:00:01 +0200 | [diff] [blame] | 5398 | if (IS_ERR(wl)) { |
| 5399 | err = PTR_ERR(wl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5400 | goto out; |
Rafał Miłecki | 0355a34 | 2011-05-17 14:00:01 +0200 | [diff] [blame] | 5401 | } |
Rafał Miłecki | aa63418 | 2011-05-18 02:06:35 +0200 | [diff] [blame] | 5402 | ssb_set_devtypedata(sdev, wl); |
| 5403 | B43_WARN_ON(ssb_get_devtypedata(sdev) != wl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5404 | } |
| 5405 | err = b43_one_core_attach(dev, wl); |
| 5406 | if (err) |
| 5407 | goto err_wireless_exit; |
| 5408 | |
Larry Finger | 6b6fa58 | 2012-03-08 22:27:46 -0600 | [diff] [blame] | 5409 | /* setup and start work to load firmware */ |
| 5410 | INIT_WORK(&wl->firmware_load, b43_request_firmware); |
| 5411 | schedule_work(&wl->firmware_load); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5412 | |
| 5413 | out: |
| 5414 | return err; |
| 5415 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5416 | err_wireless_exit: |
| 5417 | if (first) |
| 5418 | b43_wireless_exit(dev, wl); |
| 5419 | return err; |
| 5420 | } |
| 5421 | |
Rafał Miłecki | aa63418 | 2011-05-18 02:06:35 +0200 | [diff] [blame] | 5422 | static void b43_ssb_remove(struct ssb_device *sdev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5423 | { |
Rafał Miłecki | aa63418 | 2011-05-18 02:06:35 +0200 | [diff] [blame] | 5424 | struct b43_wl *wl = ssb_get_devtypedata(sdev); |
| 5425 | struct b43_wldev *wldev = ssb_get_drvdata(sdev); |
Pavel Roskin | e61b52d | 2011-07-22 18:07:13 -0400 | [diff] [blame] | 5426 | struct b43_bus_dev *dev = wldev->dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5427 | |
Michael Buesch | 3bf0a32 | 2008-05-22 16:32:16 +0200 | [diff] [blame] | 5428 | /* We must cancel any work here before unregistering from ieee80211, |
| 5429 | * as the ieee80211 unreg will destroy the workqueue. */ |
| 5430 | cancel_work_sync(&wldev->restart_work); |
| 5431 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5432 | B43_WARN_ON(!wl); |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5433 | if (wl->current_dev == wldev) { |
| 5434 | /* Restore the queues count before unregistering, because firmware detect |
| 5435 | * might have modified it. Restoring is important, so the networking |
| 5436 | * stack can properly free resources. */ |
| 5437 | wl->hw->queues = wl->mac80211_initially_registered_queues; |
Albert Herranz | 82905ac | 2009-09-16 00:26:19 +0200 | [diff] [blame] | 5438 | b43_leds_stop(wldev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5439 | ieee80211_unregister_hw(wl->hw); |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5440 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5441 | |
Pavel Roskin | e61b52d | 2011-07-22 18:07:13 -0400 | [diff] [blame] | 5442 | b43_one_core_detach(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5443 | |
| 5444 | if (list_empty(&wl->devlist)) { |
Michael Buesch | 727c988 | 2009-10-01 15:54:32 +0200 | [diff] [blame] | 5445 | b43_leds_unregister(wl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5446 | /* Last core on the chip unregistered. |
| 5447 | * We can destroy common struct b43_wl. |
| 5448 | */ |
Pavel Roskin | e61b52d | 2011-07-22 18:07:13 -0400 | [diff] [blame] | 5449 | b43_wireless_exit(dev, wl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5450 | } |
| 5451 | } |
| 5452 | |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5453 | static struct ssb_driver b43_ssb_driver = { |
| 5454 | .name = KBUILD_MODNAME, |
| 5455 | .id_table = b43_ssb_tbl, |
| 5456 | .probe = b43_ssb_probe, |
| 5457 | .remove = b43_ssb_remove, |
| 5458 | }; |
| 5459 | #endif /* CONFIG_B43_SSB */ |
| 5460 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5461 | /* Perform a hardware reset. This can be called from any context. */ |
| 5462 | void b43_controller_restart(struct b43_wldev *dev, const char *reason) |
| 5463 | { |
| 5464 | /* Must avoid requeueing, if we are in shutdown. */ |
| 5465 | if (b43_status(dev) < B43_STAT_INITIALIZED) |
| 5466 | return; |
| 5467 | b43info(dev->wl, "Controller RESET (%s) ...\n", reason); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 5468 | ieee80211_queue_work(dev->wl->hw, &dev->restart_work); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5469 | } |
| 5470 | |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5471 | static void b43_print_driverinfo(void) |
| 5472 | { |
| 5473 | const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "", |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5474 | *feat_leds = "", *feat_sdio = ""; |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5475 | |
| 5476 | #ifdef CONFIG_B43_PCI_AUTOSELECT |
| 5477 | feat_pci = "P"; |
| 5478 | #endif |
| 5479 | #ifdef CONFIG_B43_PCMCIA |
| 5480 | feat_pcmcia = "M"; |
| 5481 | #endif |
Rafał Miłecki | 692d2c0 | 2010-12-07 21:56:00 +0100 | [diff] [blame] | 5482 | #ifdef CONFIG_B43_PHY_N |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5483 | feat_nphy = "N"; |
| 5484 | #endif |
| 5485 | #ifdef CONFIG_B43_LEDS |
| 5486 | feat_leds = "L"; |
| 5487 | #endif |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5488 | #ifdef CONFIG_B43_SDIO |
| 5489 | feat_sdio = "S"; |
| 5490 | #endif |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5491 | printk(KERN_INFO "Broadcom 43xx driver loaded " |
Michael Büsch | 8b0be90 | 2011-08-21 17:24:47 +0200 | [diff] [blame] | 5492 | "[ Features: %s%s%s%s%s ]\n", |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5493 | feat_pci, feat_pcmcia, feat_nphy, |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5494 | feat_leds, feat_sdio); |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5495 | } |
| 5496 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5497 | static int __init b43_init(void) |
| 5498 | { |
| 5499 | int err; |
| 5500 | |
| 5501 | b43_debugfs_init(); |
| 5502 | err = b43_pcmcia_init(); |
| 5503 | if (err) |
| 5504 | goto err_dfs_exit; |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5505 | err = b43_sdio_init(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5506 | if (err) |
| 5507 | goto err_pcmcia_exit; |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5508 | #ifdef CONFIG_B43_BCMA |
| 5509 | err = bcma_driver_register(&b43_bcma_driver); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5510 | if (err) |
| 5511 | goto err_sdio_exit; |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5512 | #endif |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5513 | #ifdef CONFIG_B43_SSB |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5514 | err = ssb_driver_register(&b43_ssb_driver); |
| 5515 | if (err) |
| 5516 | goto err_bcma_driver_exit; |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5517 | #endif |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5518 | b43_print_driverinfo(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5519 | |
| 5520 | return err; |
| 5521 | |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5522 | #ifdef CONFIG_B43_SSB |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5523 | err_bcma_driver_exit: |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5524 | #endif |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5525 | #ifdef CONFIG_B43_BCMA |
| 5526 | bcma_driver_unregister(&b43_bcma_driver); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5527 | err_sdio_exit: |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5528 | #endif |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5529 | b43_sdio_exit(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5530 | err_pcmcia_exit: |
| 5531 | b43_pcmcia_exit(); |
| 5532 | err_dfs_exit: |
| 5533 | b43_debugfs_exit(); |
| 5534 | return err; |
| 5535 | } |
| 5536 | |
| 5537 | static void __exit b43_exit(void) |
| 5538 | { |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5539 | #ifdef CONFIG_B43_SSB |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5540 | ssb_driver_unregister(&b43_ssb_driver); |
Rafał Miłecki | aec7ffd | 2011-06-14 08:18:59 +0200 | [diff] [blame] | 5541 | #endif |
Rafał Miłecki | 3c65ab6 | 2011-06-02 09:56:04 +0200 | [diff] [blame] | 5542 | #ifdef CONFIG_B43_BCMA |
| 5543 | bcma_driver_unregister(&b43_bcma_driver); |
| 5544 | #endif |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5545 | b43_sdio_exit(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5546 | b43_pcmcia_exit(); |
| 5547 | b43_debugfs_exit(); |
| 5548 | } |
| 5549 | |
| 5550 | module_init(b43_init) |
| 5551 | module_exit(b43_exit) |