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 Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 7 | Copyright (c) 2005-2009 Michael Buesch <mb@bu3sch.de> |
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> |
| 10 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 11 | SDIO support |
| 12 | Copyright (c) 2009 Albert Herranz <albert_herranz@yahoo.es> |
| 13 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 14 | Some parts of the code in this file are derived from the ipw2200 |
| 15 | driver Copyright(c) 2003 - 2004 Intel Corporation. |
| 16 | |
| 17 | This program is free software; you can redistribute it and/or modify |
| 18 | it under the terms of the GNU General Public License as published by |
| 19 | the Free Software Foundation; either version 2 of the License, or |
| 20 | (at your option) any later version. |
| 21 | |
| 22 | This program is distributed in the hope that it will be useful, |
| 23 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 25 | GNU General Public License for more details. |
| 26 | |
| 27 | You should have received a copy of the GNU General Public License |
| 28 | along with this program; see the file COPYING. If not, write to |
| 29 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 30 | Boston, MA 02110-1301, USA. |
| 31 | |
| 32 | */ |
| 33 | |
| 34 | #include <linux/delay.h> |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/moduleparam.h> |
| 37 | #include <linux/if_arp.h> |
| 38 | #include <linux/etherdevice.h> |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 39 | #include <linux/firmware.h> |
| 40 | #include <linux/wireless.h> |
| 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"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 68 | MODULE_LICENSE("GPL"); |
| 69 | |
Michael Buesch | 9c7d99d | 2008-02-09 10:23:49 +0100 | [diff] [blame] | 70 | MODULE_FIRMWARE(B43_SUPPORTED_FIRMWARE_ID); |
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"); |
| 75 | MODULE_FIRMWARE("b43/ucode5.fw"); |
| 76 | MODULE_FIRMWARE("b43/ucode9.fw"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 77 | |
| 78 | static int modparam_bad_frames_preempt; |
| 79 | module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); |
| 80 | MODULE_PARM_DESC(bad_frames_preempt, |
| 81 | "enable(1) / disable(0) Bad Frames Preemption"); |
| 82 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 83 | static char modparam_fwpostfix[16]; |
| 84 | module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); |
| 85 | MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load."); |
| 86 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 87 | static int modparam_hwpctl; |
| 88 | module_param_named(hwpctl, modparam_hwpctl, int, 0444); |
| 89 | MODULE_PARM_DESC(hwpctl, "Enable hardware-side power control (default off)"); |
| 90 | |
| 91 | static int modparam_nohwcrypt; |
| 92 | module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); |
| 93 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 94 | |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 95 | static int modparam_hwtkip; |
| 96 | module_param_named(hwtkip, modparam_hwtkip, int, 0444); |
| 97 | MODULE_PARM_DESC(hwtkip, "Enable hardware tkip."); |
| 98 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 99 | static int modparam_qos = 1; |
| 100 | module_param_named(qos, modparam_qos, int, 0444); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 101 | MODULE_PARM_DESC(qos, "Enable QOS support (default on)"); |
| 102 | |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 103 | static int modparam_btcoex = 1; |
| 104 | module_param_named(btcoex, modparam_btcoex, int, 0444); |
Gábor Stefanik | c71dbd3 | 2009-08-28 22:34:21 +0200 | [diff] [blame] | 105 | MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistence (default on)"); |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 106 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 107 | int b43_modparam_verbose = B43_VERBOSITY_DEFAULT; |
| 108 | module_param_named(verbose, b43_modparam_verbose, int, 0644); |
| 109 | MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug"); |
| 110 | |
John W. Linville | 41950bd | 2010-07-21 11:37:19 -0400 | [diff] [blame] | 111 | static int b43_modparam_pio = B43_PIO_DEFAULT; |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 112 | module_param_named(pio, b43_modparam_pio, int, 0644); |
| 113 | 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] | 114 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 115 | static const struct ssb_device_id b43_ssb_tbl[] = { |
| 116 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), |
| 117 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6), |
| 118 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7), |
| 119 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9), |
| 120 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10), |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 121 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11), |
Rafał Miłecki | 003d6d2 | 2010-01-15 12:10:53 +0100 | [diff] [blame] | 122 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 12), |
Larry Finger | 013978b | 2007-11-26 10:29:47 -0600 | [diff] [blame] | 123 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13), |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 124 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 15), |
Johannes Berg | 92d6128 | 2008-12-24 12:44:09 +0100 | [diff] [blame] | 125 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 16), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 126 | SSB_DEVTABLE_END |
| 127 | }; |
| 128 | |
| 129 | MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl); |
| 130 | |
| 131 | /* Channel and ratetables are shared for all devices. |
| 132 | * They can't be const, because ieee80211 puts some precalculated |
| 133 | * data in there. This data is the same for all devices, so we don't |
| 134 | * get concurrency issues */ |
| 135 | #define RATETAB_ENT(_rateid, _flags) \ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 136 | { \ |
| 137 | .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \ |
| 138 | .hw_value = (_rateid), \ |
| 139 | .flags = (_flags), \ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 140 | } |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 141 | |
| 142 | /* |
| 143 | * NOTE: When changing this, sync with xmit.c's |
| 144 | * b43_plcp_get_bitrate_idx_* functions! |
| 145 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 146 | static struct ieee80211_rate __b43_ratetable[] = { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 147 | RATETAB_ENT(B43_CCK_RATE_1MB, 0), |
| 148 | RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE), |
| 149 | RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE), |
| 150 | RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE), |
| 151 | RATETAB_ENT(B43_OFDM_RATE_6MB, 0), |
| 152 | RATETAB_ENT(B43_OFDM_RATE_9MB, 0), |
| 153 | RATETAB_ENT(B43_OFDM_RATE_12MB, 0), |
| 154 | RATETAB_ENT(B43_OFDM_RATE_18MB, 0), |
| 155 | RATETAB_ENT(B43_OFDM_RATE_24MB, 0), |
| 156 | RATETAB_ENT(B43_OFDM_RATE_36MB, 0), |
| 157 | RATETAB_ENT(B43_OFDM_RATE_48MB, 0), |
| 158 | RATETAB_ENT(B43_OFDM_RATE_54MB, 0), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 159 | }; |
| 160 | |
| 161 | #define b43_a_ratetable (__b43_ratetable + 4) |
| 162 | #define b43_a_ratetable_size 8 |
| 163 | #define b43_b_ratetable (__b43_ratetable + 0) |
| 164 | #define b43_b_ratetable_size 4 |
| 165 | #define b43_g_ratetable (__b43_ratetable + 0) |
| 166 | #define b43_g_ratetable_size 12 |
| 167 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 168 | #define CHAN4G(_channel, _freq, _flags) { \ |
| 169 | .band = IEEE80211_BAND_2GHZ, \ |
| 170 | .center_freq = (_freq), \ |
| 171 | .hw_value = (_channel), \ |
| 172 | .flags = (_flags), \ |
| 173 | .max_antenna_gain = 0, \ |
| 174 | .max_power = 30, \ |
| 175 | } |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 176 | static struct ieee80211_channel b43_2ghz_chantable[] = { |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 177 | CHAN4G(1, 2412, 0), |
| 178 | CHAN4G(2, 2417, 0), |
| 179 | CHAN4G(3, 2422, 0), |
| 180 | CHAN4G(4, 2427, 0), |
| 181 | CHAN4G(5, 2432, 0), |
| 182 | CHAN4G(6, 2437, 0), |
| 183 | CHAN4G(7, 2442, 0), |
| 184 | CHAN4G(8, 2447, 0), |
| 185 | CHAN4G(9, 2452, 0), |
| 186 | CHAN4G(10, 2457, 0), |
| 187 | CHAN4G(11, 2462, 0), |
| 188 | CHAN4G(12, 2467, 0), |
| 189 | CHAN4G(13, 2472, 0), |
| 190 | CHAN4G(14, 2484, 0), |
| 191 | }; |
| 192 | #undef CHAN4G |
| 193 | |
| 194 | #define CHAN5G(_channel, _flags) { \ |
| 195 | .band = IEEE80211_BAND_5GHZ, \ |
| 196 | .center_freq = 5000 + (5 * (_channel)), \ |
| 197 | .hw_value = (_channel), \ |
| 198 | .flags = (_flags), \ |
| 199 | .max_antenna_gain = 0, \ |
| 200 | .max_power = 30, \ |
| 201 | } |
| 202 | static struct ieee80211_channel b43_5ghz_nphy_chantable[] = { |
| 203 | CHAN5G(32, 0), CHAN5G(34, 0), |
| 204 | CHAN5G(36, 0), CHAN5G(38, 0), |
| 205 | CHAN5G(40, 0), CHAN5G(42, 0), |
| 206 | CHAN5G(44, 0), CHAN5G(46, 0), |
| 207 | CHAN5G(48, 0), CHAN5G(50, 0), |
| 208 | CHAN5G(52, 0), CHAN5G(54, 0), |
| 209 | CHAN5G(56, 0), CHAN5G(58, 0), |
| 210 | CHAN5G(60, 0), CHAN5G(62, 0), |
| 211 | CHAN5G(64, 0), CHAN5G(66, 0), |
| 212 | CHAN5G(68, 0), CHAN5G(70, 0), |
| 213 | CHAN5G(72, 0), CHAN5G(74, 0), |
| 214 | CHAN5G(76, 0), CHAN5G(78, 0), |
| 215 | CHAN5G(80, 0), CHAN5G(82, 0), |
| 216 | CHAN5G(84, 0), CHAN5G(86, 0), |
| 217 | CHAN5G(88, 0), CHAN5G(90, 0), |
| 218 | CHAN5G(92, 0), CHAN5G(94, 0), |
| 219 | CHAN5G(96, 0), CHAN5G(98, 0), |
| 220 | CHAN5G(100, 0), CHAN5G(102, 0), |
| 221 | CHAN5G(104, 0), CHAN5G(106, 0), |
| 222 | CHAN5G(108, 0), CHAN5G(110, 0), |
| 223 | CHAN5G(112, 0), CHAN5G(114, 0), |
| 224 | CHAN5G(116, 0), CHAN5G(118, 0), |
| 225 | CHAN5G(120, 0), CHAN5G(122, 0), |
| 226 | CHAN5G(124, 0), CHAN5G(126, 0), |
| 227 | CHAN5G(128, 0), CHAN5G(130, 0), |
| 228 | CHAN5G(132, 0), CHAN5G(134, 0), |
| 229 | CHAN5G(136, 0), CHAN5G(138, 0), |
| 230 | CHAN5G(140, 0), CHAN5G(142, 0), |
| 231 | CHAN5G(144, 0), CHAN5G(145, 0), |
| 232 | CHAN5G(146, 0), CHAN5G(147, 0), |
| 233 | CHAN5G(148, 0), CHAN5G(149, 0), |
| 234 | CHAN5G(150, 0), CHAN5G(151, 0), |
| 235 | CHAN5G(152, 0), CHAN5G(153, 0), |
| 236 | CHAN5G(154, 0), CHAN5G(155, 0), |
| 237 | CHAN5G(156, 0), CHAN5G(157, 0), |
| 238 | CHAN5G(158, 0), CHAN5G(159, 0), |
| 239 | CHAN5G(160, 0), CHAN5G(161, 0), |
| 240 | CHAN5G(162, 0), CHAN5G(163, 0), |
| 241 | CHAN5G(164, 0), CHAN5G(165, 0), |
| 242 | CHAN5G(166, 0), CHAN5G(168, 0), |
| 243 | CHAN5G(170, 0), CHAN5G(172, 0), |
| 244 | CHAN5G(174, 0), CHAN5G(176, 0), |
| 245 | CHAN5G(178, 0), CHAN5G(180, 0), |
| 246 | CHAN5G(182, 0), CHAN5G(184, 0), |
| 247 | CHAN5G(186, 0), CHAN5G(188, 0), |
| 248 | CHAN5G(190, 0), CHAN5G(192, 0), |
| 249 | CHAN5G(194, 0), CHAN5G(196, 0), |
| 250 | CHAN5G(198, 0), CHAN5G(200, 0), |
| 251 | CHAN5G(202, 0), CHAN5G(204, 0), |
| 252 | CHAN5G(206, 0), CHAN5G(208, 0), |
| 253 | CHAN5G(210, 0), CHAN5G(212, 0), |
| 254 | CHAN5G(214, 0), CHAN5G(216, 0), |
| 255 | CHAN5G(218, 0), CHAN5G(220, 0), |
| 256 | CHAN5G(222, 0), CHAN5G(224, 0), |
| 257 | CHAN5G(226, 0), CHAN5G(228, 0), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 258 | }; |
| 259 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 260 | static struct ieee80211_channel b43_5ghz_aphy_chantable[] = { |
| 261 | CHAN5G(34, 0), CHAN5G(36, 0), |
| 262 | CHAN5G(38, 0), CHAN5G(40, 0), |
| 263 | CHAN5G(42, 0), CHAN5G(44, 0), |
| 264 | CHAN5G(46, 0), CHAN5G(48, 0), |
| 265 | CHAN5G(52, 0), CHAN5G(56, 0), |
| 266 | CHAN5G(60, 0), CHAN5G(64, 0), |
| 267 | CHAN5G(100, 0), CHAN5G(104, 0), |
| 268 | CHAN5G(108, 0), CHAN5G(112, 0), |
| 269 | CHAN5G(116, 0), CHAN5G(120, 0), |
| 270 | CHAN5G(124, 0), CHAN5G(128, 0), |
| 271 | CHAN5G(132, 0), CHAN5G(136, 0), |
| 272 | CHAN5G(140, 0), CHAN5G(149, 0), |
| 273 | CHAN5G(153, 0), CHAN5G(157, 0), |
| 274 | CHAN5G(161, 0), CHAN5G(165, 0), |
| 275 | CHAN5G(184, 0), CHAN5G(188, 0), |
| 276 | CHAN5G(192, 0), CHAN5G(196, 0), |
| 277 | CHAN5G(200, 0), CHAN5G(204, 0), |
| 278 | CHAN5G(208, 0), CHAN5G(212, 0), |
| 279 | CHAN5G(216, 0), |
| 280 | }; |
| 281 | #undef CHAN5G |
| 282 | |
| 283 | static struct ieee80211_supported_band b43_band_5GHz_nphy = { |
| 284 | .band = IEEE80211_BAND_5GHZ, |
| 285 | .channels = b43_5ghz_nphy_chantable, |
| 286 | .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable), |
| 287 | .bitrates = b43_a_ratetable, |
| 288 | .n_bitrates = b43_a_ratetable_size, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 289 | }; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 290 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 291 | static struct ieee80211_supported_band b43_band_5GHz_aphy = { |
| 292 | .band = IEEE80211_BAND_5GHZ, |
| 293 | .channels = b43_5ghz_aphy_chantable, |
| 294 | .n_channels = ARRAY_SIZE(b43_5ghz_aphy_chantable), |
| 295 | .bitrates = b43_a_ratetable, |
| 296 | .n_bitrates = b43_a_ratetable_size, |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 297 | }; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 298 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 299 | static struct ieee80211_supported_band b43_band_2GHz = { |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 300 | .band = IEEE80211_BAND_2GHZ, |
| 301 | .channels = b43_2ghz_chantable, |
| 302 | .n_channels = ARRAY_SIZE(b43_2ghz_chantable), |
| 303 | .bitrates = b43_g_ratetable, |
| 304 | .n_bitrates = b43_g_ratetable_size, |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 305 | }; |
| 306 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 307 | static void b43_wireless_core_exit(struct b43_wldev *dev); |
| 308 | static int b43_wireless_core_init(struct b43_wldev *dev); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 309 | static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 310 | static int b43_wireless_core_start(struct b43_wldev *dev); |
| 311 | |
| 312 | static int b43_ratelimit(struct b43_wl *wl) |
| 313 | { |
| 314 | if (!wl || !wl->current_dev) |
| 315 | return 1; |
| 316 | if (b43_status(wl->current_dev) < B43_STAT_STARTED) |
| 317 | return 1; |
| 318 | /* We are up and running. |
| 319 | * Ratelimit the messages to avoid DoS over the net. */ |
| 320 | return net_ratelimit(); |
| 321 | } |
| 322 | |
| 323 | void b43info(struct b43_wl *wl, const char *fmt, ...) |
| 324 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 325 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 326 | va_list args; |
| 327 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 328 | if (b43_modparam_verbose < B43_VERBOSITY_INFO) |
| 329 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 330 | if (!b43_ratelimit(wl)) |
| 331 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 332 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 333 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 334 | |
| 335 | vaf.fmt = fmt; |
| 336 | vaf.va = &args; |
| 337 | |
| 338 | printk(KERN_INFO "b43-%s: %pV", |
| 339 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 340 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 341 | va_end(args); |
| 342 | } |
| 343 | |
| 344 | void b43err(struct b43_wl *wl, const char *fmt, ...) |
| 345 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 346 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 347 | va_list args; |
| 348 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 349 | if (b43_modparam_verbose < B43_VERBOSITY_ERROR) |
| 350 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 351 | if (!b43_ratelimit(wl)) |
| 352 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 353 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 354 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 355 | |
| 356 | vaf.fmt = fmt; |
| 357 | vaf.va = &args; |
| 358 | |
| 359 | printk(KERN_ERR "b43-%s ERROR: %pV", |
| 360 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 361 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 362 | va_end(args); |
| 363 | } |
| 364 | |
| 365 | void b43warn(struct b43_wl *wl, const char *fmt, ...) |
| 366 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 367 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 368 | va_list args; |
| 369 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 370 | if (b43_modparam_verbose < B43_VERBOSITY_WARN) |
| 371 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 372 | if (!b43_ratelimit(wl)) |
| 373 | return; |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 374 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 375 | va_start(args, fmt); |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 376 | |
| 377 | vaf.fmt = fmt; |
| 378 | vaf.va = &args; |
| 379 | |
| 380 | printk(KERN_WARNING "b43-%s warning: %pV", |
| 381 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan", &vaf); |
| 382 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 383 | va_end(args); |
| 384 | } |
| 385 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 386 | void b43dbg(struct b43_wl *wl, const char *fmt, ...) |
| 387 | { |
Joe Perches | 5b736d4 | 2010-11-09 16:35:18 -0800 | [diff] [blame^] | 388 | struct va_format vaf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 389 | va_list args; |
| 390 | |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 391 | if (b43_modparam_verbose < B43_VERBOSITY_DEBUG) |
| 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_DEBUG "b43-%s debug: %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 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 404 | |
| 405 | static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val) |
| 406 | { |
| 407 | u32 macctl; |
| 408 | |
| 409 | B43_WARN_ON(offset % 4 != 0); |
| 410 | |
| 411 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 412 | if (macctl & B43_MACCTL_BE) |
| 413 | val = swab32(val); |
| 414 | |
| 415 | b43_write32(dev, B43_MMIO_RAM_CONTROL, offset); |
| 416 | mmiowb(); |
| 417 | b43_write32(dev, B43_MMIO_RAM_DATA, val); |
| 418 | } |
| 419 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 420 | static inline void b43_shm_control_word(struct b43_wldev *dev, |
| 421 | u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 422 | { |
| 423 | u32 control; |
| 424 | |
| 425 | /* "offset" is the WORD offset. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 426 | control = routing; |
| 427 | control <<= 16; |
| 428 | control |= offset; |
| 429 | b43_write32(dev, B43_MMIO_SHM_CONTROL, control); |
| 430 | } |
| 431 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 432 | u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 433 | { |
| 434 | u32 ret; |
| 435 | |
| 436 | if (routing == B43_SHM_SHARED) { |
| 437 | B43_WARN_ON(offset & 0x0001); |
| 438 | if (offset & 0x0003) { |
| 439 | /* Unaligned access */ |
| 440 | b43_shm_control_word(dev, routing, offset >> 2); |
| 441 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 442 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 443 | ret |= ((u32)b43_read16(dev, B43_MMIO_SHM_DATA)) << 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 444 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 445 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 446 | } |
| 447 | offset >>= 2; |
| 448 | } |
| 449 | b43_shm_control_word(dev, routing, offset); |
| 450 | ret = b43_read32(dev, B43_MMIO_SHM_DATA); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 451 | out: |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 452 | return ret; |
| 453 | } |
| 454 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 455 | u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 456 | { |
| 457 | u16 ret; |
| 458 | |
| 459 | if (routing == B43_SHM_SHARED) { |
| 460 | B43_WARN_ON(offset & 0x0001); |
| 461 | if (offset & 0x0003) { |
| 462 | /* Unaligned access */ |
| 463 | b43_shm_control_word(dev, routing, offset >> 2); |
| 464 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); |
| 465 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 466 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 467 | } |
| 468 | offset >>= 2; |
| 469 | } |
| 470 | b43_shm_control_word(dev, routing, offset); |
| 471 | ret = b43_read16(dev, B43_MMIO_SHM_DATA); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 472 | out: |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 473 | return ret; |
| 474 | } |
| 475 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 476 | 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] | 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); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 483 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 484 | value & 0xFFFF); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 485 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 486 | b43_write16(dev, B43_MMIO_SHM_DATA, |
| 487 | (value >> 16) & 0xFFFF); |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 488 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 489 | } |
| 490 | offset >>= 2; |
| 491 | } |
| 492 | b43_shm_control_word(dev, routing, offset); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 493 | b43_write32(dev, B43_MMIO_SHM_DATA, value); |
Michael Buesch | 6bbc321 | 2008-06-19 19:33:51 +0200 | [diff] [blame] | 494 | } |
| 495 | |
Michael Buesch | 69eddc8 | 2009-09-04 22:57:26 +0200 | [diff] [blame] | 496 | 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] | 497 | { |
| 498 | if (routing == B43_SHM_SHARED) { |
| 499 | B43_WARN_ON(offset & 0x0001); |
| 500 | if (offset & 0x0003) { |
| 501 | /* Unaligned access */ |
| 502 | b43_shm_control_word(dev, routing, offset >> 2); |
| 503 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value); |
| 504 | return; |
| 505 | } |
| 506 | offset >>= 2; |
| 507 | } |
| 508 | b43_shm_control_word(dev, routing, offset); |
| 509 | b43_write16(dev, B43_MMIO_SHM_DATA, value); |
| 510 | } |
| 511 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 512 | /* Read HostFlags */ |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 513 | u64 b43_hf_read(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 514 | { |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 515 | u64 ret; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 516 | |
| 517 | ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI); |
| 518 | ret <<= 16; |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 519 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI); |
| 520 | ret <<= 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 521 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO); |
| 522 | |
| 523 | return ret; |
| 524 | } |
| 525 | |
| 526 | /* Write HostFlags */ |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 527 | void b43_hf_write(struct b43_wldev *dev, u64 value) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 528 | { |
Michael Buesch | 35f0d35 | 2008-02-13 14:31:08 +0100 | [diff] [blame] | 529 | u16 lo, mi, hi; |
| 530 | |
| 531 | lo = (value & 0x00000000FFFFULL); |
| 532 | mi = (value & 0x0000FFFF0000ULL) >> 16; |
| 533 | hi = (value & 0xFFFF00000000ULL) >> 32; |
| 534 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO, lo); |
| 535 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI, mi); |
| 536 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 537 | } |
| 538 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 539 | /* Read the firmware capabilities bitmask (Opensource firmware only) */ |
| 540 | static u16 b43_fwcapa_read(struct b43_wldev *dev) |
| 541 | { |
| 542 | B43_WARN_ON(!dev->fw.opensource); |
| 543 | return b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_FWCAPA); |
| 544 | } |
| 545 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 546 | void b43_tsf_read(struct b43_wldev *dev, u64 *tsf) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 547 | { |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 548 | u32 low, high; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 549 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 550 | B43_WARN_ON(dev->dev->id.revision < 3); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 551 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 552 | /* The hardware guarantees us an atomic read, if we |
| 553 | * read the low register first. */ |
| 554 | low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW); |
| 555 | high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 556 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 557 | *tsf = high; |
| 558 | *tsf <<= 32; |
| 559 | *tsf |= low; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 560 | } |
| 561 | |
| 562 | static void b43_time_lock(struct b43_wldev *dev) |
| 563 | { |
| 564 | u32 macctl; |
| 565 | |
| 566 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 567 | macctl |= B43_MACCTL_TBTTHOLD; |
| 568 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 569 | /* Commit the write */ |
| 570 | b43_read32(dev, B43_MMIO_MACCTL); |
| 571 | } |
| 572 | |
| 573 | static void b43_time_unlock(struct b43_wldev *dev) |
| 574 | { |
| 575 | u32 macctl; |
| 576 | |
| 577 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 578 | macctl &= ~B43_MACCTL_TBTTHOLD; |
| 579 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 580 | /* Commit the write */ |
| 581 | b43_read32(dev, B43_MMIO_MACCTL); |
| 582 | } |
| 583 | |
| 584 | static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf) |
| 585 | { |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 586 | u32 low, high; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 587 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 588 | B43_WARN_ON(dev->dev->id.revision < 3); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 589 | |
Michael Buesch | 3ebbbb5 | 2008-12-19 22:51:57 +0100 | [diff] [blame] | 590 | low = tsf; |
| 591 | high = (tsf >> 32); |
| 592 | /* The hardware guarantees us an atomic write, if we |
| 593 | * write the low register first. */ |
| 594 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, low); |
| 595 | mmiowb(); |
| 596 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, high); |
| 597 | mmiowb(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | void b43_tsf_write(struct b43_wldev *dev, u64 tsf) |
| 601 | { |
| 602 | b43_time_lock(dev); |
| 603 | b43_tsf_write_locked(dev, tsf); |
| 604 | b43_time_unlock(dev); |
| 605 | } |
| 606 | |
| 607 | static |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 608 | 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] | 609 | { |
| 610 | static const u8 zero_addr[ETH_ALEN] = { 0 }; |
| 611 | u16 data; |
| 612 | |
| 613 | if (!mac) |
| 614 | mac = zero_addr; |
| 615 | |
| 616 | offset |= 0x0020; |
| 617 | b43_write16(dev, B43_MMIO_MACFILTER_CONTROL, offset); |
| 618 | |
| 619 | data = mac[0]; |
| 620 | data |= mac[1] << 8; |
| 621 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 622 | data = mac[2]; |
| 623 | data |= mac[3] << 8; |
| 624 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 625 | data = mac[4]; |
| 626 | data |= mac[5] << 8; |
| 627 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 628 | } |
| 629 | |
| 630 | static void b43_write_mac_bssid_templates(struct b43_wldev *dev) |
| 631 | { |
| 632 | const u8 *mac; |
| 633 | const u8 *bssid; |
| 634 | u8 mac_bssid[ETH_ALEN * 2]; |
| 635 | int i; |
| 636 | u32 tmp; |
| 637 | |
| 638 | bssid = dev->wl->bssid; |
| 639 | mac = dev->wl->mac_addr; |
| 640 | |
| 641 | b43_macfilter_set(dev, B43_MACFILTER_BSSID, bssid); |
| 642 | |
| 643 | memcpy(mac_bssid, mac, ETH_ALEN); |
| 644 | memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); |
| 645 | |
| 646 | /* Write our MAC address and BSSID to template ram */ |
| 647 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) { |
| 648 | tmp = (u32) (mac_bssid[i + 0]); |
| 649 | tmp |= (u32) (mac_bssid[i + 1]) << 8; |
| 650 | tmp |= (u32) (mac_bssid[i + 2]) << 16; |
| 651 | tmp |= (u32) (mac_bssid[i + 3]) << 24; |
| 652 | b43_ram_write(dev, 0x20 + i, tmp); |
| 653 | } |
| 654 | } |
| 655 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 656 | static void b43_upload_card_macaddress(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 657 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 658 | b43_write_mac_bssid_templates(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 659 | b43_macfilter_set(dev, B43_MACFILTER_SELF, dev->wl->mac_addr); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time) |
| 663 | { |
| 664 | /* slot_time is in usec. */ |
Larry Finger | b6c3f5b | 2010-02-02 10:08:19 -0600 | [diff] [blame] | 665 | /* This test used to exit for all but a G PHY. */ |
| 666 | if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 667 | return; |
Larry Finger | b6c3f5b | 2010-02-02 10:08:19 -0600 | [diff] [blame] | 668 | b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time); |
| 669 | /* Shared memory location 0x0010 is the slot time and should be |
| 670 | * set to slot_time; however, this register is initially 0 and changing |
| 671 | * the value adversely affects the transmit rate for BCM4311 |
| 672 | * devices. Until this behavior is unterstood, delete this step |
| 673 | * |
| 674 | * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time); |
| 675 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | static void b43_short_slot_timing_enable(struct b43_wldev *dev) |
| 679 | { |
| 680 | b43_set_slot_time(dev, 9); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 681 | } |
| 682 | |
| 683 | static void b43_short_slot_timing_disable(struct b43_wldev *dev) |
| 684 | { |
| 685 | b43_set_slot_time(dev, 20); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 686 | } |
| 687 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 688 | /* DummyTransmission function, as documented on |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 689 | * http://bcm-v4.sipsolutions.net/802.11/DummyTransmission |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 690 | */ |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 691 | 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] | 692 | { |
| 693 | struct b43_phy *phy = &dev->phy; |
| 694 | unsigned int i, max_loop; |
| 695 | u16 value; |
| 696 | u32 buffer[5] = { |
| 697 | 0x00000000, |
| 698 | 0x00D40000, |
| 699 | 0x00000000, |
| 700 | 0x01000000, |
| 701 | 0x00000000, |
| 702 | }; |
| 703 | |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 704 | if (ofdm) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 705 | max_loop = 0x1E; |
| 706 | buffer[0] = 0x000201CC; |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 707 | } else { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 708 | max_loop = 0xFA; |
| 709 | buffer[0] = 0x000B846E; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 710 | } |
| 711 | |
| 712 | for (i = 0; i < 5; i++) |
| 713 | b43_ram_write(dev, i * 4, buffer[i]); |
| 714 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 715 | b43_write16(dev, 0x0568, 0x0000); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 716 | if (dev->dev->id.revision < 11) |
| 717 | b43_write16(dev, 0x07C0, 0x0000); |
| 718 | else |
| 719 | b43_write16(dev, 0x07C0, 0x0100); |
| 720 | value = (ofdm ? 0x41 : 0x40); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 721 | b43_write16(dev, 0x050C, value); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 722 | if ((phy->type == B43_PHYTYPE_N) || (phy->type == B43_PHYTYPE_LP)) |
| 723 | b43_write16(dev, 0x0514, 0x1A02); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 724 | b43_write16(dev, 0x0508, 0x0000); |
| 725 | b43_write16(dev, 0x050A, 0x0000); |
| 726 | b43_write16(dev, 0x054C, 0x0000); |
| 727 | b43_write16(dev, 0x056A, 0x0014); |
| 728 | b43_write16(dev, 0x0568, 0x0826); |
| 729 | b43_write16(dev, 0x0500, 0x0000); |
Gábor Stefanik | 2f19c28 | 2009-08-13 16:51:51 +0200 | [diff] [blame] | 730 | if (!pa_on && (phy->type == B43_PHYTYPE_N)) { |
| 731 | //SPEC TODO |
| 732 | } |
| 733 | |
| 734 | switch (phy->type) { |
| 735 | case B43_PHYTYPE_N: |
| 736 | b43_write16(dev, 0x0502, 0x00D0); |
| 737 | break; |
| 738 | case B43_PHYTYPE_LP: |
| 739 | b43_write16(dev, 0x0502, 0x0050); |
| 740 | break; |
| 741 | default: |
| 742 | b43_write16(dev, 0x0502, 0x0030); |
| 743 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 744 | |
| 745 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) |
| 746 | b43_radio_write16(dev, 0x0051, 0x0017); |
| 747 | for (i = 0x00; i < max_loop; i++) { |
| 748 | value = b43_read16(dev, 0x050E); |
| 749 | if (value & 0x0080) |
| 750 | break; |
| 751 | udelay(10); |
| 752 | } |
| 753 | for (i = 0x00; i < 0x0A; i++) { |
| 754 | value = b43_read16(dev, 0x050E); |
| 755 | if (value & 0x0400) |
| 756 | break; |
| 757 | udelay(10); |
| 758 | } |
Larry Finger | 1d280dd | 2008-09-29 14:19:29 -0500 | [diff] [blame] | 759 | for (i = 0x00; i < 0x19; i++) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 760 | value = b43_read16(dev, 0x0690); |
| 761 | if (!(value & 0x0100)) |
| 762 | break; |
| 763 | udelay(10); |
| 764 | } |
| 765 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) |
| 766 | b43_radio_write16(dev, 0x0051, 0x0037); |
| 767 | } |
| 768 | |
| 769 | static void key_write(struct b43_wldev *dev, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 770 | u8 index, u8 algorithm, const u8 *key) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 771 | { |
| 772 | unsigned int i; |
| 773 | u32 offset; |
| 774 | u16 value; |
| 775 | u16 kidx; |
| 776 | |
| 777 | /* Key index/algo block */ |
| 778 | kidx = b43_kidx_to_fw(dev, index); |
| 779 | value = ((kidx << 4) | algorithm); |
| 780 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 781 | B43_SHM_SH_KEYIDXBLOCK + (kidx * 2), value); |
| 782 | |
| 783 | /* Write the key to the Key Table Pointer offset */ |
| 784 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); |
| 785 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { |
| 786 | value = key[i]; |
| 787 | value |= (u16) (key[i + 1]) << 8; |
| 788 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, value); |
| 789 | } |
| 790 | } |
| 791 | |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 792 | 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] | 793 | { |
| 794 | u32 addrtmp[2] = { 0, 0, }; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 795 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 796 | |
| 797 | if (b43_new_kidx_api(dev)) |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 798 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 799 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 800 | B43_WARN_ON(index < pairwise_keys_start); |
| 801 | /* We have four default TX keys and possibly four default RX keys. |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 802 | * Physical mac 0 is mapped to physical key 4 or 8, depending |
| 803 | * on the firmware version. |
| 804 | * So we must adjust the index here. |
| 805 | */ |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 806 | index -= pairwise_keys_start; |
| 807 | B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 808 | |
| 809 | if (addr) { |
| 810 | addrtmp[0] = addr[0]; |
| 811 | addrtmp[0] |= ((u32) (addr[1]) << 8); |
| 812 | addrtmp[0] |= ((u32) (addr[2]) << 16); |
| 813 | addrtmp[0] |= ((u32) (addr[3]) << 24); |
| 814 | addrtmp[1] = addr[4]; |
| 815 | addrtmp[1] |= ((u32) (addr[5]) << 8); |
| 816 | } |
| 817 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 818 | /* Receive match transmitter address (RCMTA) mechanism */ |
| 819 | b43_shm_write32(dev, B43_SHM_RCMTA, |
| 820 | (index * 2) + 0, addrtmp[0]); |
| 821 | b43_shm_write16(dev, B43_SHM_RCMTA, |
| 822 | (index * 2) + 1, addrtmp[1]); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 823 | } |
| 824 | |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 825 | /* The ucode will use phase1 key with TEK key to decrypt rx packets. |
| 826 | * When a packet is received, the iv32 is checked. |
| 827 | * - if it doesn't the packet is returned without modification (and software |
| 828 | * decryption can be done). That's what happen when iv16 wrap. |
| 829 | * - if it does, the rc4 key is computed, and decryption is tried. |
| 830 | * Either it will success and B43_RX_MAC_DEC is returned, |
| 831 | * either it fails and B43_RX_MAC_DEC|B43_RX_MAC_DECERR is returned |
| 832 | * and the packet is not usable (it got modified by the ucode). |
| 833 | * So in order to never have B43_RX_MAC_DECERR, we should provide |
| 834 | * a iv32 and phase1key that match. Because we drop packets in case of |
| 835 | * B43_RX_MAC_DECERR, if we have a correct iv32 but a wrong phase1key, all |
| 836 | * packets will be lost without higher layer knowing (ie no resync possible |
| 837 | * until next wrap). |
| 838 | * |
| 839 | * NOTE : this should support 50 key like RCMTA because |
| 840 | * (B43_SHM_SH_KEYIDXBLOCK - B43_SHM_SH_TKIPTSCTTAK)/14 = 50 |
| 841 | */ |
| 842 | static void rx_tkip_phase1_write(struct b43_wldev *dev, u8 index, u32 iv32, |
| 843 | u16 *phase1key) |
| 844 | { |
| 845 | unsigned int i; |
| 846 | u32 offset; |
| 847 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
| 848 | |
| 849 | if (!modparam_hwtkip) |
| 850 | return; |
| 851 | |
| 852 | if (b43_new_kidx_api(dev)) |
| 853 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
| 854 | |
| 855 | B43_WARN_ON(index < pairwise_keys_start); |
| 856 | /* We have four default TX keys and possibly four default RX keys. |
| 857 | * Physical mac 0 is mapped to physical key 4 or 8, depending |
| 858 | * on the firmware version. |
| 859 | * So we must adjust the index here. |
| 860 | */ |
| 861 | index -= pairwise_keys_start; |
| 862 | B43_WARN_ON(index >= B43_NR_PAIRWISE_KEYS); |
| 863 | |
| 864 | if (b43_debug(dev, B43_DBG_KEYS)) { |
| 865 | b43dbg(dev->wl, "rx_tkip_phase1_write : idx 0x%x, iv32 0x%x\n", |
| 866 | index, iv32); |
| 867 | } |
| 868 | /* Write the key to the RX tkip shared mem */ |
| 869 | offset = B43_SHM_SH_TKIPTSCTTAK + index * (10 + 4); |
| 870 | for (i = 0; i < 10; i += 2) { |
| 871 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, |
| 872 | phase1key ? phase1key[i / 2] : 0); |
| 873 | } |
| 874 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, iv32); |
| 875 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i + 2, iv32 >> 16); |
| 876 | } |
| 877 | |
| 878 | static void b43_op_update_tkip_key(struct ieee80211_hw *hw, |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 879 | struct ieee80211_vif *vif, |
| 880 | struct ieee80211_key_conf *keyconf, |
| 881 | struct ieee80211_sta *sta, |
| 882 | u32 iv32, u16 *phase1key) |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 883 | { |
| 884 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 885 | struct b43_wldev *dev; |
| 886 | int index = keyconf->hw_key_idx; |
| 887 | |
| 888 | if (B43_WARN_ON(!modparam_hwtkip)) |
| 889 | return; |
| 890 | |
Michael Buesch | 96869a3 | 2010-01-24 13:13:32 +0100 | [diff] [blame] | 891 | /* This is only called from the RX path through mac80211, where |
| 892 | * our mutex is already locked. */ |
| 893 | B43_WARN_ON(!mutex_is_locked(&wl->mutex)); |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 894 | dev = wl->current_dev; |
Michael Buesch | 96869a3 | 2010-01-24 13:13:32 +0100 | [diff] [blame] | 895 | B43_WARN_ON(!dev || b43_status(dev) < B43_STAT_INITIALIZED); |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 896 | |
| 897 | keymac_write(dev, index, NULL); /* First zero out mac to avoid race */ |
| 898 | |
| 899 | rx_tkip_phase1_write(dev, index, iv32, phase1key); |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 900 | /* only pairwise TKIP keys are supported right now */ |
| 901 | if (WARN_ON(!sta)) |
Michael Buesch | 96869a3 | 2010-01-24 13:13:32 +0100 | [diff] [blame] | 902 | return; |
Johannes Berg | b3fbdcf | 2010-01-21 11:40:47 +0100 | [diff] [blame] | 903 | keymac_write(dev, index, sta->addr); |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 904 | } |
| 905 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 906 | static void do_key_write(struct b43_wldev *dev, |
| 907 | u8 index, u8 algorithm, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 908 | const u8 *key, size_t key_len, const u8 *mac_addr) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 909 | { |
| 910 | u8 buf[B43_SEC_KEYSIZE] = { 0, }; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 911 | u8 pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 912 | |
| 913 | if (b43_new_kidx_api(dev)) |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 914 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 915 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 916 | B43_WARN_ON(index >= ARRAY_SIZE(dev->key)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 917 | B43_WARN_ON(key_len > B43_SEC_KEYSIZE); |
| 918 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 919 | if (index >= pairwise_keys_start) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 920 | keymac_write(dev, index, NULL); /* First zero out mac. */ |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 921 | if (algorithm == B43_SEC_ALGO_TKIP) { |
| 922 | /* |
| 923 | * We should provide an initial iv32, phase1key pair. |
| 924 | * We could start with iv32=0 and compute the corresponding |
| 925 | * phase1key, but this means calling ieee80211_get_tkip_key |
| 926 | * with a fake skb (or export other tkip function). |
| 927 | * Because we are lazy we hope iv32 won't start with |
| 928 | * 0xffffffff and let's b43_op_update_tkip_key provide a |
| 929 | * correct pair. |
| 930 | */ |
| 931 | rx_tkip_phase1_write(dev, index, 0xffffffff, (u16*)buf); |
| 932 | } else if (index >= pairwise_keys_start) /* clear it */ |
| 933 | rx_tkip_phase1_write(dev, index, 0, NULL); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 934 | if (key) |
| 935 | memcpy(buf, key, key_len); |
| 936 | key_write(dev, index, algorithm, buf); |
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, mac_addr); |
| 939 | |
| 940 | dev->key[index].algorithm = algorithm; |
| 941 | } |
| 942 | |
| 943 | static int b43_key_write(struct b43_wldev *dev, |
| 944 | int index, u8 algorithm, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 945 | const u8 *key, size_t key_len, |
| 946 | const u8 *mac_addr, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 947 | struct ieee80211_key_conf *keyconf) |
| 948 | { |
| 949 | int i; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 950 | int pairwise_keys_start; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 951 | |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 952 | /* For ALG_TKIP the key is encoded as a 256-bit (32 byte) data block: |
| 953 | * - Temporal Encryption Key (128 bits) |
| 954 | * - Temporal Authenticator Tx MIC Key (64 bits) |
| 955 | * - Temporal Authenticator Rx MIC Key (64 bits) |
| 956 | * |
| 957 | * Hardware only store TEK |
| 958 | */ |
| 959 | if (algorithm == B43_SEC_ALGO_TKIP && key_len == 32) |
| 960 | key_len = 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 961 | if (key_len > B43_SEC_KEYSIZE) |
| 962 | return -EINVAL; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 963 | for (i = 0; i < ARRAY_SIZE(dev->key); i++) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 964 | /* Check that we don't already have this key. */ |
| 965 | B43_WARN_ON(dev->key[i].keyconf == keyconf); |
| 966 | } |
| 967 | if (index < 0) { |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 968 | /* Pairwise key. Get an empty slot for the key. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 969 | if (b43_new_kidx_api(dev)) |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 970 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 971 | else |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 972 | pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
| 973 | for (i = pairwise_keys_start; |
| 974 | i < pairwise_keys_start + B43_NR_PAIRWISE_KEYS; |
| 975 | i++) { |
| 976 | B43_WARN_ON(i >= ARRAY_SIZE(dev->key)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 977 | if (!dev->key[i].keyconf) { |
| 978 | /* found empty */ |
| 979 | index = i; |
| 980 | break; |
| 981 | } |
| 982 | } |
| 983 | if (index < 0) { |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 984 | b43warn(dev->wl, "Out of hardware key memory\n"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 985 | return -ENOSPC; |
| 986 | } |
| 987 | } else |
| 988 | B43_WARN_ON(index > 3); |
| 989 | |
| 990 | do_key_write(dev, index, algorithm, key, key_len, mac_addr); |
| 991 | if ((index <= 3) && !b43_new_kidx_api(dev)) { |
| 992 | /* Default RX key */ |
| 993 | B43_WARN_ON(mac_addr); |
| 994 | do_key_write(dev, index + 4, algorithm, key, key_len, NULL); |
| 995 | } |
| 996 | keyconf->hw_key_idx = index; |
| 997 | dev->key[index].keyconf = keyconf; |
| 998 | |
| 999 | return 0; |
| 1000 | } |
| 1001 | |
| 1002 | static int b43_key_clear(struct b43_wldev *dev, int index) |
| 1003 | { |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1004 | if (B43_WARN_ON((index < 0) || (index >= ARRAY_SIZE(dev->key)))) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1005 | return -EINVAL; |
| 1006 | do_key_write(dev, index, B43_SEC_ALGO_NONE, |
| 1007 | NULL, B43_SEC_KEYSIZE, NULL); |
| 1008 | if ((index <= 3) && !b43_new_kidx_api(dev)) { |
| 1009 | do_key_write(dev, index + 4, B43_SEC_ALGO_NONE, |
| 1010 | NULL, B43_SEC_KEYSIZE, NULL); |
| 1011 | } |
| 1012 | dev->key[index].keyconf = NULL; |
| 1013 | |
| 1014 | return 0; |
| 1015 | } |
| 1016 | |
| 1017 | static void b43_clear_keys(struct b43_wldev *dev) |
| 1018 | { |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1019 | int i, count; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1020 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1021 | if (b43_new_kidx_api(dev)) |
| 1022 | count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS; |
| 1023 | else |
| 1024 | count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS; |
| 1025 | for (i = 0; i < count; i++) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1026 | b43_key_clear(dev, i); |
| 1027 | } |
| 1028 | |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1029 | static void b43_dump_keymemory(struct b43_wldev *dev) |
| 1030 | { |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1031 | unsigned int i, index, count, offset, pairwise_keys_start; |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1032 | u8 mac[ETH_ALEN]; |
| 1033 | u16 algo; |
| 1034 | u32 rcmta0; |
| 1035 | u16 rcmta1; |
| 1036 | u64 hf; |
| 1037 | struct b43_key *key; |
| 1038 | |
| 1039 | if (!b43_debug(dev, B43_DBG_KEYS)) |
| 1040 | return; |
| 1041 | |
| 1042 | hf = b43_hf_read(dev); |
| 1043 | b43dbg(dev->wl, "Hardware key memory dump: USEDEFKEYS=%u\n", |
| 1044 | !!(hf & B43_HF_USEDEFKEYS)); |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1045 | if (b43_new_kidx_api(dev)) { |
| 1046 | pairwise_keys_start = B43_NR_GROUP_KEYS; |
| 1047 | count = B43_NR_GROUP_KEYS + B43_NR_PAIRWISE_KEYS; |
| 1048 | } else { |
| 1049 | pairwise_keys_start = B43_NR_GROUP_KEYS * 2; |
| 1050 | count = B43_NR_GROUP_KEYS * 2 + B43_NR_PAIRWISE_KEYS; |
| 1051 | } |
| 1052 | for (index = 0; index < count; index++) { |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1053 | key = &(dev->key[index]); |
| 1054 | printk(KERN_DEBUG "Key slot %02u: %s", |
| 1055 | index, (key->keyconf == NULL) ? " " : "*"); |
| 1056 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); |
| 1057 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { |
| 1058 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i); |
| 1059 | printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF)); |
| 1060 | } |
| 1061 | |
| 1062 | algo = b43_shm_read16(dev, B43_SHM_SHARED, |
| 1063 | B43_SHM_SH_KEYIDXBLOCK + (index * 2)); |
| 1064 | printk(" Algo: %04X/%02X", algo, key->algorithm); |
| 1065 | |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1066 | if (index >= pairwise_keys_start) { |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 1067 | if (key->algorithm == B43_SEC_ALGO_TKIP) { |
| 1068 | printk(" TKIP: "); |
| 1069 | offset = B43_SHM_SH_TKIPTSCTTAK + (index - 4) * (10 + 4); |
| 1070 | for (i = 0; i < 14; i += 2) { |
| 1071 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, offset + i); |
| 1072 | printk("%02X%02X", (tmp & 0xFF), ((tmp >> 8) & 0xFF)); |
| 1073 | } |
| 1074 | } |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1075 | rcmta0 = b43_shm_read32(dev, B43_SHM_RCMTA, |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1076 | ((index - pairwise_keys_start) * 2) + 0); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1077 | rcmta1 = b43_shm_read16(dev, B43_SHM_RCMTA, |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 1078 | ((index - pairwise_keys_start) * 2) + 1); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1079 | *((__le32 *)(&mac[0])) = cpu_to_le32(rcmta0); |
| 1080 | *((__le16 *)(&mac[4])) = cpu_to_le16(rcmta1); |
Johannes Berg | e91d833 | 2009-07-15 17:21:41 +0200 | [diff] [blame] | 1081 | printk(" MAC: %pM", mac); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 1082 | } else |
| 1083 | printk(" DEFAULT KEY"); |
| 1084 | printk("\n"); |
| 1085 | } |
| 1086 | } |
| 1087 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1088 | void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) |
| 1089 | { |
| 1090 | u32 macctl; |
| 1091 | u16 ucstat; |
| 1092 | bool hwps; |
| 1093 | bool awake; |
| 1094 | int i; |
| 1095 | |
| 1096 | B43_WARN_ON((ps_flags & B43_PS_ENABLED) && |
| 1097 | (ps_flags & B43_PS_DISABLED)); |
| 1098 | B43_WARN_ON((ps_flags & B43_PS_AWAKE) && (ps_flags & B43_PS_ASLEEP)); |
| 1099 | |
| 1100 | if (ps_flags & B43_PS_ENABLED) { |
| 1101 | hwps = 1; |
| 1102 | } else if (ps_flags & B43_PS_DISABLED) { |
| 1103 | hwps = 0; |
| 1104 | } else { |
| 1105 | //TODO: If powersave is not off and FIXME is not set and we are not in adhoc |
| 1106 | // and thus is not an AP and we are associated, set bit 25 |
| 1107 | } |
| 1108 | if (ps_flags & B43_PS_AWAKE) { |
| 1109 | awake = 1; |
| 1110 | } else if (ps_flags & B43_PS_ASLEEP) { |
| 1111 | awake = 0; |
| 1112 | } else { |
| 1113 | //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME, |
| 1114 | // or we are associated, or FIXME, or the latest PS-Poll packet sent was |
| 1115 | // successful, set bit26 |
| 1116 | } |
| 1117 | |
| 1118 | /* FIXME: For now we force awake-on and hwps-off */ |
| 1119 | hwps = 0; |
| 1120 | awake = 1; |
| 1121 | |
| 1122 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1123 | if (hwps) |
| 1124 | macctl |= B43_MACCTL_HWPS; |
| 1125 | else |
| 1126 | macctl &= ~B43_MACCTL_HWPS; |
| 1127 | if (awake) |
| 1128 | macctl |= B43_MACCTL_AWAKE; |
| 1129 | else |
| 1130 | macctl &= ~B43_MACCTL_AWAKE; |
| 1131 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 1132 | /* Commit write */ |
| 1133 | b43_read32(dev, B43_MMIO_MACCTL); |
| 1134 | if (awake && dev->dev->id.revision >= 5) { |
| 1135 | /* Wait for the microcode to wake up. */ |
| 1136 | for (i = 0; i < 100; i++) { |
| 1137 | ucstat = b43_shm_read16(dev, B43_SHM_SHARED, |
| 1138 | B43_SHM_SH_UCODESTAT); |
| 1139 | if (ucstat != B43_SHM_SH_UCODESTAT_SLEEP) |
| 1140 | break; |
| 1141 | udelay(10); |
| 1142 | } |
| 1143 | } |
| 1144 | } |
| 1145 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1146 | void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags) |
| 1147 | { |
| 1148 | u32 tmslow; |
| 1149 | u32 macctl; |
| 1150 | |
| 1151 | flags |= B43_TMSLOW_PHYCLKEN; |
| 1152 | flags |= B43_TMSLOW_PHYRESET; |
| 1153 | ssb_device_enable(dev->dev, flags); |
| 1154 | msleep(2); /* Wait for the PLL to turn on. */ |
| 1155 | |
| 1156 | /* Now take the PHY out of Reset again */ |
| 1157 | tmslow = ssb_read32(dev->dev, SSB_TMSLOW); |
| 1158 | tmslow |= SSB_TMSLOW_FGC; |
| 1159 | tmslow &= ~B43_TMSLOW_PHYRESET; |
| 1160 | ssb_write32(dev->dev, SSB_TMSLOW, tmslow); |
| 1161 | ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ |
| 1162 | msleep(1); |
| 1163 | tmslow &= ~SSB_TMSLOW_FGC; |
| 1164 | ssb_write32(dev->dev, SSB_TMSLOW, tmslow); |
| 1165 | ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ |
| 1166 | msleep(1); |
| 1167 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 1168 | /* Turn Analog ON, but only if we already know the PHY-type. |
| 1169 | * This protects against very early setup where we don't know the |
| 1170 | * PHY-type, yet. wireless_core_reset will be called once again later, |
| 1171 | * when we know the PHY-type. */ |
| 1172 | if (dev->phy.ops) |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 1173 | dev->phy.ops->switch_analog(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1174 | |
| 1175 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1176 | macctl &= ~B43_MACCTL_GMODE; |
| 1177 | if (flags & B43_TMSLOW_GMODE) |
| 1178 | macctl |= B43_MACCTL_GMODE; |
| 1179 | macctl |= B43_MACCTL_IHR_ENABLED; |
| 1180 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 1181 | } |
| 1182 | |
| 1183 | static void handle_irq_transmit_status(struct b43_wldev *dev) |
| 1184 | { |
| 1185 | u32 v0, v1; |
| 1186 | u16 tmp; |
| 1187 | struct b43_txstatus stat; |
| 1188 | |
| 1189 | while (1) { |
| 1190 | v0 = b43_read32(dev, B43_MMIO_XMITSTAT_0); |
| 1191 | if (!(v0 & 0x00000001)) |
| 1192 | break; |
| 1193 | v1 = b43_read32(dev, B43_MMIO_XMITSTAT_1); |
| 1194 | |
| 1195 | stat.cookie = (v0 >> 16); |
| 1196 | stat.seq = (v1 & 0x0000FFFF); |
| 1197 | stat.phy_stat = ((v1 & 0x00FF0000) >> 16); |
| 1198 | tmp = (v0 & 0x0000FFFF); |
| 1199 | stat.frame_count = ((tmp & 0xF000) >> 12); |
| 1200 | stat.rts_count = ((tmp & 0x0F00) >> 8); |
| 1201 | stat.supp_reason = ((tmp & 0x001C) >> 2); |
| 1202 | stat.pm_indicated = !!(tmp & 0x0080); |
| 1203 | stat.intermediate = !!(tmp & 0x0040); |
| 1204 | stat.for_ampdu = !!(tmp & 0x0020); |
| 1205 | stat.acked = !!(tmp & 0x0002); |
| 1206 | |
| 1207 | b43_handle_txstatus(dev, &stat); |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | static void drain_txstatus_queue(struct b43_wldev *dev) |
| 1212 | { |
| 1213 | u32 dummy; |
| 1214 | |
| 1215 | if (dev->dev->id.revision < 5) |
| 1216 | return; |
| 1217 | /* Read all entries from the microcode TXstatus FIFO |
| 1218 | * and throw them away. |
| 1219 | */ |
| 1220 | while (1) { |
| 1221 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_0); |
| 1222 | if (!(dummy & 0x00000001)) |
| 1223 | break; |
| 1224 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_1); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | static u32 b43_jssi_read(struct b43_wldev *dev) |
| 1229 | { |
| 1230 | u32 val = 0; |
| 1231 | |
| 1232 | val = b43_shm_read16(dev, B43_SHM_SHARED, 0x08A); |
| 1233 | val <<= 16; |
| 1234 | val |= b43_shm_read16(dev, B43_SHM_SHARED, 0x088); |
| 1235 | |
| 1236 | return val; |
| 1237 | } |
| 1238 | |
| 1239 | static void b43_jssi_write(struct b43_wldev *dev, u32 jssi) |
| 1240 | { |
| 1241 | b43_shm_write16(dev, B43_SHM_SHARED, 0x088, (jssi & 0x0000FFFF)); |
| 1242 | b43_shm_write16(dev, B43_SHM_SHARED, 0x08A, (jssi & 0xFFFF0000) >> 16); |
| 1243 | } |
| 1244 | |
| 1245 | static void b43_generate_noise_sample(struct b43_wldev *dev) |
| 1246 | { |
| 1247 | b43_jssi_write(dev, 0x7F7F7F7F); |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1248 | b43_write32(dev, B43_MMIO_MACCMD, |
| 1249 | b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1250 | } |
| 1251 | |
| 1252 | static void b43_calculate_link_quality(struct b43_wldev *dev) |
| 1253 | { |
| 1254 | /* Top half of Link Quality calculation. */ |
| 1255 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1256 | if (dev->phy.type != B43_PHYTYPE_G) |
| 1257 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1258 | if (dev->noisecalc.calculation_running) |
| 1259 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1260 | dev->noisecalc.calculation_running = 1; |
| 1261 | dev->noisecalc.nr_samples = 0; |
| 1262 | |
| 1263 | b43_generate_noise_sample(dev); |
| 1264 | } |
| 1265 | |
| 1266 | static void handle_irq_noise(struct b43_wldev *dev) |
| 1267 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1268 | struct b43_phy_g *phy = dev->phy.g; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1269 | u16 tmp; |
| 1270 | u8 noise[4]; |
| 1271 | u8 i, j; |
| 1272 | s32 average; |
| 1273 | |
| 1274 | /* Bottom half of Link Quality calculation. */ |
| 1275 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 1276 | if (dev->phy.type != B43_PHYTYPE_G) |
| 1277 | return; |
| 1278 | |
Michael Buesch | 98a3b2f | 2008-06-12 12:36:29 +0200 | [diff] [blame] | 1279 | /* Possible race condition: It might be possible that the user |
| 1280 | * changed to a different channel in the meantime since we |
| 1281 | * started the calculation. We ignore that fact, since it's |
| 1282 | * not really that much of a problem. The background noise is |
| 1283 | * an estimation only anyway. Slightly wrong results will get damped |
| 1284 | * by the averaging of the 8 sample rounds. Additionally the |
| 1285 | * value is shortlived. So it will be replaced by the next noise |
| 1286 | * calculation round soon. */ |
| 1287 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1288 | B43_WARN_ON(!dev->noisecalc.calculation_running); |
Michael Buesch | 1a09404 | 2007-09-20 11:13:40 -0700 | [diff] [blame] | 1289 | *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1290 | if (noise[0] == 0x7F || noise[1] == 0x7F || |
| 1291 | noise[2] == 0x7F || noise[3] == 0x7F) |
| 1292 | goto generate_new; |
| 1293 | |
| 1294 | /* Get the noise samples. */ |
| 1295 | B43_WARN_ON(dev->noisecalc.nr_samples >= 8); |
| 1296 | i = dev->noisecalc.nr_samples; |
Harvey Harrison | cdbf084 | 2008-05-02 13:47:48 -0700 | [diff] [blame] | 1297 | noise[0] = clamp_val(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1298 | noise[1] = clamp_val(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1299 | noise[2] = clamp_val(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1300 | 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] | 1301 | dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]]; |
| 1302 | dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]]; |
| 1303 | dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]]; |
| 1304 | dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]]; |
| 1305 | dev->noisecalc.nr_samples++; |
| 1306 | if (dev->noisecalc.nr_samples == 8) { |
| 1307 | /* Calculate the Link Quality by the noise samples. */ |
| 1308 | average = 0; |
| 1309 | for (i = 0; i < 8; i++) { |
| 1310 | for (j = 0; j < 4; j++) |
| 1311 | average += dev->noisecalc.samples[i][j]; |
| 1312 | } |
| 1313 | average /= (8 * 4); |
| 1314 | average *= 125; |
| 1315 | average += 64; |
| 1316 | average /= 128; |
| 1317 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x40C); |
| 1318 | tmp = (tmp / 128) & 0x1F; |
| 1319 | if (tmp >= 8) |
| 1320 | average += 2; |
| 1321 | else |
| 1322 | average -= 25; |
| 1323 | if (tmp == 8) |
| 1324 | average -= 72; |
| 1325 | else |
| 1326 | average -= 48; |
| 1327 | |
| 1328 | dev->stats.link_noise = average; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1329 | dev->noisecalc.calculation_running = 0; |
| 1330 | return; |
| 1331 | } |
Michael Buesch | 98a3b2f | 2008-06-12 12:36:29 +0200 | [diff] [blame] | 1332 | generate_new: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1333 | b43_generate_noise_sample(dev); |
| 1334 | } |
| 1335 | |
| 1336 | static void handle_irq_tbtt_indication(struct b43_wldev *dev) |
| 1337 | { |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1338 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_AP)) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1339 | ///TODO: PS TBTT |
| 1340 | } else { |
| 1341 | if (1 /*FIXME: the last PSpoll frame was sent successfully */ ) |
| 1342 | b43_power_saving_ctl_bits(dev, 0); |
| 1343 | } |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1344 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1345 | dev->dfq_valid = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1346 | } |
| 1347 | |
| 1348 | static void handle_irq_atim_end(struct b43_wldev *dev) |
| 1349 | { |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1350 | if (dev->dfq_valid) { |
| 1351 | b43_write32(dev, B43_MMIO_MACCMD, |
| 1352 | b43_read32(dev, B43_MMIO_MACCMD) |
| 1353 | | B43_MACCMD_DFQ_VALID); |
| 1354 | dev->dfq_valid = 0; |
| 1355 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1356 | } |
| 1357 | |
| 1358 | static void handle_irq_pmq(struct b43_wldev *dev) |
| 1359 | { |
| 1360 | u32 tmp; |
| 1361 | |
| 1362 | //TODO: AP mode. |
| 1363 | |
| 1364 | while (1) { |
| 1365 | tmp = b43_read32(dev, B43_MMIO_PS_STATUS); |
| 1366 | if (!(tmp & 0x00000008)) |
| 1367 | break; |
| 1368 | } |
| 1369 | /* 16bit write is odd, but correct. */ |
| 1370 | b43_write16(dev, B43_MMIO_PS_STATUS, 0x0002); |
| 1371 | } |
| 1372 | |
| 1373 | static void b43_write_template_common(struct b43_wldev *dev, |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 1374 | const u8 *data, u16 size, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1375 | u16 ram_offset, |
| 1376 | u16 shm_size_offset, u8 rate) |
| 1377 | { |
| 1378 | u32 i, tmp; |
| 1379 | struct b43_plcp_hdr4 plcp; |
| 1380 | |
| 1381 | plcp.data = 0; |
| 1382 | b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); |
| 1383 | b43_ram_write(dev, ram_offset, le32_to_cpu(plcp.data)); |
| 1384 | ram_offset += sizeof(u32); |
| 1385 | /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet. |
| 1386 | * So leave the first two bytes of the next write blank. |
| 1387 | */ |
| 1388 | tmp = (u32) (data[0]) << 16; |
| 1389 | tmp |= (u32) (data[1]) << 24; |
| 1390 | b43_ram_write(dev, ram_offset, tmp); |
| 1391 | ram_offset += sizeof(u32); |
| 1392 | for (i = 2; i < size; i += sizeof(u32)) { |
| 1393 | tmp = (u32) (data[i + 0]); |
| 1394 | if (i + 1 < size) |
| 1395 | tmp |= (u32) (data[i + 1]) << 8; |
| 1396 | if (i + 2 < size) |
| 1397 | tmp |= (u32) (data[i + 2]) << 16; |
| 1398 | if (i + 3 < size) |
| 1399 | tmp |= (u32) (data[i + 3]) << 24; |
| 1400 | b43_ram_write(dev, ram_offset + i - 2, tmp); |
| 1401 | } |
| 1402 | b43_shm_write16(dev, B43_SHM_SHARED, shm_size_offset, |
| 1403 | size + sizeof(struct b43_plcp_hdr6)); |
| 1404 | } |
| 1405 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1406 | /* Check if the use of the antenna that ieee80211 told us to |
| 1407 | * use is possible. This will fall back to DEFAULT. |
| 1408 | * "antenna_nr" is the antenna identifier we got from ieee80211. */ |
| 1409 | u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev, |
| 1410 | u8 antenna_nr) |
| 1411 | { |
| 1412 | u8 antenna_mask; |
| 1413 | |
| 1414 | if (antenna_nr == 0) { |
| 1415 | /* Zero means "use default antenna". That's always OK. */ |
| 1416 | return 0; |
| 1417 | } |
| 1418 | |
| 1419 | /* Get the mask of available antennas. */ |
| 1420 | if (dev->phy.gmode) |
| 1421 | antenna_mask = dev->dev->bus->sprom.ant_available_bg; |
| 1422 | else |
| 1423 | antenna_mask = dev->dev->bus->sprom.ant_available_a; |
| 1424 | |
| 1425 | if (!(antenna_mask & (1 << (antenna_nr - 1)))) { |
| 1426 | /* This antenna is not available. Fall back to default. */ |
| 1427 | return 0; |
| 1428 | } |
| 1429 | |
| 1430 | return antenna_nr; |
| 1431 | } |
| 1432 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1433 | /* Convert a b43 antenna number value to the PHY TX control value. */ |
| 1434 | static u16 b43_antenna_to_phyctl(int antenna) |
| 1435 | { |
| 1436 | switch (antenna) { |
| 1437 | case B43_ANTENNA0: |
| 1438 | return B43_TXH_PHY_ANT0; |
| 1439 | case B43_ANTENNA1: |
| 1440 | return B43_TXH_PHY_ANT1; |
| 1441 | case B43_ANTENNA2: |
| 1442 | return B43_TXH_PHY_ANT2; |
| 1443 | case B43_ANTENNA3: |
| 1444 | return B43_TXH_PHY_ANT3; |
Gábor Stefanik | 64e368b | 2009-08-27 22:49:49 +0200 | [diff] [blame] | 1445 | case B43_ANTENNA_AUTO0: |
| 1446 | case B43_ANTENNA_AUTO1: |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1447 | return B43_TXH_PHY_ANT01AUTO; |
| 1448 | } |
| 1449 | B43_WARN_ON(1); |
| 1450 | return 0; |
| 1451 | } |
| 1452 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1453 | static void b43_write_beacon_template(struct b43_wldev *dev, |
| 1454 | u16 ram_offset, |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1455 | u16 shm_size_offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1456 | { |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1457 | unsigned int i, len, variable_len; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1458 | const struct ieee80211_mgmt *bcn; |
| 1459 | const u8 *ie; |
| 1460 | bool tim_found = 0; |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1461 | unsigned int rate; |
| 1462 | u16 ctl; |
| 1463 | int antenna; |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1464 | struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1465 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1466 | bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data); |
| 1467 | len = min((size_t) dev->wl->current_beacon->len, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1468 | 0x200 - sizeof(struct b43_plcp_hdr6)); |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1469 | rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1470 | |
| 1471 | b43_write_template_common(dev, (const u8 *)bcn, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1472 | len, ram_offset, shm_size_offset, rate); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1473 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1474 | /* Write the PHY TX control parameters. */ |
Johannes Berg | 0f4ac38 | 2008-10-09 12:18:04 +0200 | [diff] [blame] | 1475 | antenna = B43_ANTENNA_DEFAULT; |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 1476 | antenna = b43_antenna_to_phyctl(antenna); |
| 1477 | ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); |
| 1478 | /* We can't send beacons with short preamble. Would get PHY errors. */ |
| 1479 | ctl &= ~B43_TXH_PHY_SHORTPRMBL; |
| 1480 | ctl &= ~B43_TXH_PHY_ANT; |
| 1481 | ctl &= ~B43_TXH_PHY_ENC; |
| 1482 | ctl |= antenna; |
| 1483 | if (b43_is_cck_rate(rate)) |
| 1484 | ctl |= B43_TXH_PHY_ENC_CCK; |
| 1485 | else |
| 1486 | ctl |= B43_TXH_PHY_ENC_OFDM; |
| 1487 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); |
| 1488 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1489 | /* Find the position of the TIM and the DTIM_period value |
| 1490 | * and write them to SHM. */ |
| 1491 | ie = bcn->u.beacon.variable; |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1492 | variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable); |
| 1493 | for (i = 0; i < variable_len - 2; ) { |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1494 | uint8_t ie_id, ie_len; |
| 1495 | |
| 1496 | ie_id = ie[i]; |
| 1497 | ie_len = ie[i + 1]; |
| 1498 | if (ie_id == 5) { |
| 1499 | u16 tim_position; |
| 1500 | u16 dtim_period; |
| 1501 | /* This is the TIM Information Element */ |
| 1502 | |
| 1503 | /* Check whether the ie_len is in the beacon data range. */ |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1504 | if (variable_len < ie_len + 2 + i) |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1505 | break; |
| 1506 | /* A valid TIM is at least 4 bytes long. */ |
| 1507 | if (ie_len < 4) |
| 1508 | break; |
| 1509 | tim_found = 1; |
| 1510 | |
| 1511 | tim_position = sizeof(struct b43_plcp_hdr6); |
| 1512 | tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable); |
| 1513 | tim_position += i; |
| 1514 | |
| 1515 | dtim_period = ie[i + 3]; |
| 1516 | |
| 1517 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1518 | B43_SHM_SH_TIMBPOS, tim_position); |
| 1519 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1520 | B43_SHM_SH_DTIMPER, dtim_period); |
| 1521 | break; |
| 1522 | } |
| 1523 | i += ie_len + 2; |
| 1524 | } |
| 1525 | if (!tim_found) { |
Johannes Berg | 04dea13 | 2008-05-20 12:10:49 +0200 | [diff] [blame] | 1526 | /* |
| 1527 | * If ucode wants to modify TIM do it behind the beacon, this |
| 1528 | * will happen, for example, when doing mesh networking. |
| 1529 | */ |
| 1530 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1531 | B43_SHM_SH_TIMBPOS, |
| 1532 | len + sizeof(struct b43_plcp_hdr6)); |
| 1533 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1534 | B43_SHM_SH_DTIMPER, 0); |
| 1535 | } |
| 1536 | b43dbg(dev->wl, "Updated beacon template at 0x%x\n", ram_offset); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1537 | } |
| 1538 | |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1539 | static void b43_upload_beacon0(struct b43_wldev *dev) |
| 1540 | { |
| 1541 | struct b43_wl *wl = dev->wl; |
| 1542 | |
| 1543 | if (wl->beacon0_uploaded) |
| 1544 | return; |
| 1545 | b43_write_beacon_template(dev, 0x68, 0x18); |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1546 | wl->beacon0_uploaded = 1; |
| 1547 | } |
| 1548 | |
| 1549 | static void b43_upload_beacon1(struct b43_wldev *dev) |
| 1550 | { |
| 1551 | struct b43_wl *wl = dev->wl; |
| 1552 | |
| 1553 | if (wl->beacon1_uploaded) |
| 1554 | return; |
| 1555 | b43_write_beacon_template(dev, 0x468, 0x1A); |
| 1556 | wl->beacon1_uploaded = 1; |
| 1557 | } |
| 1558 | |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1559 | static void handle_irq_beacon(struct b43_wldev *dev) |
| 1560 | { |
| 1561 | struct b43_wl *wl = dev->wl; |
| 1562 | u32 cmd, beacon0_valid, beacon1_valid; |
| 1563 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 1564 | if (!b43_is_mode(wl, NL80211_IFTYPE_AP) && |
| 1565 | !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1566 | return; |
| 1567 | |
| 1568 | /* This is the bottom half of the asynchronous beacon update. */ |
| 1569 | |
| 1570 | /* Ignore interrupt in the future. */ |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1571 | dev->irq_mask &= ~B43_IRQ_BEACON; |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1572 | |
| 1573 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1574 | beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID); |
| 1575 | beacon1_valid = (cmd & B43_MACCMD_BEACON1_VALID); |
| 1576 | |
| 1577 | /* Schedule interrupt manually, if busy. */ |
| 1578 | if (beacon0_valid && beacon1_valid) { |
| 1579 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON); |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1580 | dev->irq_mask |= B43_IRQ_BEACON; |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1581 | return; |
| 1582 | } |
| 1583 | |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1584 | if (unlikely(wl->beacon_templates_virgin)) { |
| 1585 | /* We never uploaded a beacon before. |
| 1586 | * Upload both templates now, but only mark one valid. */ |
| 1587 | wl->beacon_templates_virgin = 0; |
| 1588 | b43_upload_beacon0(dev); |
| 1589 | b43_upload_beacon1(dev); |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1590 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1591 | cmd |= B43_MACCMD_BEACON0_VALID; |
| 1592 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 1593 | } else { |
| 1594 | if (!beacon0_valid) { |
| 1595 | b43_upload_beacon0(dev); |
| 1596 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1597 | cmd |= B43_MACCMD_BEACON0_VALID; |
| 1598 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
| 1599 | } else if (!beacon1_valid) { |
| 1600 | b43_upload_beacon1(dev); |
| 1601 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1602 | cmd |= B43_MACCMD_BEACON1_VALID; |
| 1603 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1604 | } |
Michael Buesch | c97a4cc | 2008-04-05 15:02:09 +0200 | [diff] [blame] | 1605 | } |
| 1606 | } |
| 1607 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1608 | static void b43_do_beacon_update_trigger_work(struct b43_wldev *dev) |
| 1609 | { |
| 1610 | u32 old_irq_mask = dev->irq_mask; |
| 1611 | |
| 1612 | /* update beacon right away or defer to irq */ |
| 1613 | handle_irq_beacon(dev); |
| 1614 | if (old_irq_mask != dev->irq_mask) { |
| 1615 | /* The handler updated the IRQ mask. */ |
| 1616 | B43_WARN_ON(!dev->irq_mask); |
| 1617 | if (b43_read32(dev, B43_MMIO_GEN_IRQ_MASK)) { |
| 1618 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
| 1619 | } else { |
| 1620 | /* Device interrupts are currently disabled. That means |
| 1621 | * we just ran the hardirq handler and scheduled the |
| 1622 | * IRQ thread. The thread will write the IRQ mask when |
| 1623 | * it finished, so there's nothing to do here. Writing |
| 1624 | * the mask _here_ would incorrectly re-enable IRQs. */ |
| 1625 | } |
| 1626 | } |
| 1627 | } |
| 1628 | |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1629 | static void b43_beacon_update_trigger_work(struct work_struct *work) |
| 1630 | { |
| 1631 | struct b43_wl *wl = container_of(work, struct b43_wl, |
| 1632 | beacon_update_trigger); |
| 1633 | struct b43_wldev *dev; |
| 1634 | |
| 1635 | mutex_lock(&wl->mutex); |
| 1636 | dev = wl->current_dev; |
| 1637 | if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) { |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 1638 | if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) { |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1639 | /* wl->mutex is enough. */ |
| 1640 | b43_do_beacon_update_trigger_work(dev); |
| 1641 | mmiowb(); |
| 1642 | } else { |
| 1643 | spin_lock_irq(&wl->hardirq_lock); |
| 1644 | b43_do_beacon_update_trigger_work(dev); |
| 1645 | mmiowb(); |
| 1646 | spin_unlock_irq(&wl->hardirq_lock); |
| 1647 | } |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1648 | } |
| 1649 | mutex_unlock(&wl->mutex); |
| 1650 | } |
| 1651 | |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 1652 | /* Asynchronously update the packet templates in template RAM. |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1653 | * Locking: Requires wl->mutex to be locked. */ |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 1654 | static void b43_update_templates(struct b43_wl *wl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1655 | { |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 1656 | struct sk_buff *beacon; |
| 1657 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1658 | /* This is the top half of the ansynchronous beacon update. |
| 1659 | * The bottom half is the beacon IRQ. |
| 1660 | * Beacon update must be asynchronous to avoid sending an |
| 1661 | * invalid beacon. This can happen for example, if the firmware |
| 1662 | * transmits a beacon while we are updating it. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1663 | |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 1664 | /* We could modify the existing beacon and set the aid bit in |
| 1665 | * the TIM field, but that would probably require resizing and |
| 1666 | * moving of data within the beacon template. |
| 1667 | * Simply request a new beacon and let mac80211 do the hard work. */ |
| 1668 | beacon = ieee80211_beacon_get(wl->hw, wl->vif); |
| 1669 | if (unlikely(!beacon)) |
| 1670 | return; |
| 1671 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1672 | if (wl->current_beacon) |
| 1673 | dev_kfree_skb_any(wl->current_beacon); |
| 1674 | wl->current_beacon = beacon; |
| 1675 | wl->beacon0_uploaded = 0; |
| 1676 | wl->beacon1_uploaded = 0; |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 1677 | ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1678 | } |
| 1679 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1680 | static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int) |
| 1681 | { |
| 1682 | b43_time_lock(dev); |
| 1683 | if (dev->dev->id.revision >= 3) { |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1684 | b43_write32(dev, B43_MMIO_TSF_CFP_REP, (beacon_int << 16)); |
| 1685 | b43_write32(dev, B43_MMIO_TSF_CFP_START, (beacon_int << 10)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1686 | } else { |
| 1687 | b43_write16(dev, 0x606, (beacon_int >> 6)); |
| 1688 | b43_write16(dev, 0x610, beacon_int); |
| 1689 | } |
| 1690 | b43_time_unlock(dev); |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 1691 | b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1692 | } |
| 1693 | |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1694 | static void b43_handle_firmware_panic(struct b43_wldev *dev) |
| 1695 | { |
| 1696 | u16 reason; |
| 1697 | |
| 1698 | /* Read the register that contains the reason code for the panic. */ |
| 1699 | reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_FWPANIC_REASON_REG); |
| 1700 | b43err(dev->wl, "Whoopsy, firmware panic! Reason: %u\n", reason); |
| 1701 | |
| 1702 | switch (reason) { |
| 1703 | default: |
| 1704 | b43dbg(dev->wl, "The panic reason is unknown.\n"); |
| 1705 | /* fallthrough */ |
| 1706 | case B43_FWPANIC_DIE: |
| 1707 | /* Do not restart the controller or firmware. |
| 1708 | * The device is nonfunctional from now on. |
| 1709 | * Restarting would result in this panic to trigger again, |
| 1710 | * so we avoid that recursion. */ |
| 1711 | break; |
| 1712 | case B43_FWPANIC_RESTART: |
| 1713 | b43_controller_restart(dev, "Microcode panic"); |
| 1714 | break; |
| 1715 | } |
| 1716 | } |
| 1717 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1718 | static void handle_irq_ucode_debug(struct b43_wldev *dev) |
| 1719 | { |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1720 | unsigned int i, cnt; |
Michael Buesch | 53c0685 | 2008-05-20 00:24:36 +0200 | [diff] [blame] | 1721 | u16 reason, marker_id, marker_line; |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1722 | __le16 *buf; |
| 1723 | |
| 1724 | /* The proprietary firmware doesn't have this IRQ. */ |
| 1725 | if (!dev->fw.opensource) |
| 1726 | return; |
| 1727 | |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1728 | /* Read the register that contains the reason code for this IRQ. */ |
| 1729 | reason = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_DEBUGIRQ_REASON_REG); |
| 1730 | |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1731 | switch (reason) { |
| 1732 | case B43_DEBUGIRQ_PANIC: |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1733 | b43_handle_firmware_panic(dev); |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1734 | break; |
| 1735 | case B43_DEBUGIRQ_DUMP_SHM: |
| 1736 | if (!B43_DEBUG) |
| 1737 | break; /* Only with driver debugging enabled. */ |
| 1738 | buf = kmalloc(4096, GFP_ATOMIC); |
| 1739 | if (!buf) { |
| 1740 | b43dbg(dev->wl, "SHM-dump: Failed to allocate memory\n"); |
| 1741 | goto out; |
| 1742 | } |
| 1743 | for (i = 0; i < 4096; i += 2) { |
| 1744 | u16 tmp = b43_shm_read16(dev, B43_SHM_SHARED, i); |
| 1745 | buf[i / 2] = cpu_to_le16(tmp); |
| 1746 | } |
| 1747 | b43info(dev->wl, "Shared memory dump:\n"); |
| 1748 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, |
| 1749 | 16, 2, buf, 4096, 1); |
| 1750 | kfree(buf); |
| 1751 | break; |
| 1752 | case B43_DEBUGIRQ_DUMP_REGS: |
| 1753 | if (!B43_DEBUG) |
| 1754 | break; /* Only with driver debugging enabled. */ |
| 1755 | b43info(dev->wl, "Microcode register dump:\n"); |
| 1756 | for (i = 0, cnt = 0; i < 64; i++) { |
| 1757 | u16 tmp = b43_shm_read16(dev, B43_SHM_SCRATCH, i); |
| 1758 | if (cnt == 0) |
| 1759 | printk(KERN_INFO); |
| 1760 | printk("r%02u: 0x%04X ", i, tmp); |
| 1761 | cnt++; |
| 1762 | if (cnt == 6) { |
| 1763 | printk("\n"); |
| 1764 | cnt = 0; |
| 1765 | } |
| 1766 | } |
| 1767 | printk("\n"); |
| 1768 | break; |
Michael Buesch | 53c0685 | 2008-05-20 00:24:36 +0200 | [diff] [blame] | 1769 | case B43_DEBUGIRQ_MARKER: |
| 1770 | if (!B43_DEBUG) |
| 1771 | break; /* Only with driver debugging enabled. */ |
| 1772 | marker_id = b43_shm_read16(dev, B43_SHM_SCRATCH, |
| 1773 | B43_MARKER_ID_REG); |
| 1774 | marker_line = b43_shm_read16(dev, B43_SHM_SCRATCH, |
| 1775 | B43_MARKER_LINE_REG); |
| 1776 | b43info(dev->wl, "The firmware just executed the MARKER(%u) " |
| 1777 | "at line number %u\n", |
| 1778 | marker_id, marker_line); |
| 1779 | break; |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 1780 | default: |
| 1781 | b43dbg(dev->wl, "Debug-IRQ triggered for unknown reason: %u\n", |
| 1782 | reason); |
| 1783 | } |
| 1784 | out: |
Michael Buesch | afa83e2 | 2008-05-19 23:51:37 +0200 | [diff] [blame] | 1785 | /* Acknowledge the debug-IRQ, so the firmware can continue. */ |
| 1786 | b43_shm_write16(dev, B43_SHM_SCRATCH, |
| 1787 | B43_DEBUGIRQ_REASON_REG, B43_DEBUGIRQ_ACK); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1788 | } |
| 1789 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1790 | static void b43_do_interrupt_thread(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1791 | { |
| 1792 | u32 reason; |
| 1793 | u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; |
| 1794 | u32 merged_dma_reason = 0; |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1795 | int i; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1796 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1797 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) |
| 1798 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1799 | |
| 1800 | reason = dev->irq_reason; |
| 1801 | for (i = 0; i < ARRAY_SIZE(dma_reason); i++) { |
| 1802 | dma_reason[i] = dev->dma_reason[i]; |
| 1803 | merged_dma_reason |= dma_reason[i]; |
| 1804 | } |
| 1805 | |
| 1806 | if (unlikely(reason & B43_IRQ_MAC_TXERR)) |
| 1807 | b43err(dev->wl, "MAC transmission error\n"); |
| 1808 | |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 1809 | if (unlikely(reason & B43_IRQ_PHY_TXERR)) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1810 | b43err(dev->wl, "PHY transmission error\n"); |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 1811 | rmb(); |
| 1812 | if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) { |
| 1813 | atomic_set(&dev->phy.txerr_cnt, |
| 1814 | B43_PHY_TX_BADNESS_LIMIT); |
| 1815 | b43err(dev->wl, "Too many PHY TX errors, " |
| 1816 | "restarting the controller\n"); |
| 1817 | b43_controller_restart(dev, "PHY TX errors"); |
| 1818 | } |
| 1819 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1820 | |
| 1821 | if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK | |
| 1822 | B43_DMAIRQ_NONFATALMASK))) { |
| 1823 | if (merged_dma_reason & B43_DMAIRQ_FATALMASK) { |
| 1824 | b43err(dev->wl, "Fatal DMA error: " |
| 1825 | "0x%08X, 0x%08X, 0x%08X, " |
| 1826 | "0x%08X, 0x%08X, 0x%08X\n", |
| 1827 | dma_reason[0], dma_reason[1], |
| 1828 | dma_reason[2], dma_reason[3], |
| 1829 | dma_reason[4], dma_reason[5]); |
Larry Finger | 214ac9a | 2009-12-09 13:25:56 -0600 | [diff] [blame] | 1830 | b43err(dev->wl, "This device does not support DMA " |
Larry Finger | bb64d95 | 2010-06-19 08:29:08 -0500 | [diff] [blame] | 1831 | "on your system. It will now be switched to PIO.\n"); |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 1832 | /* Fall back to PIO transfers if we get fatal DMA errors! */ |
| 1833 | dev->use_pio = 1; |
| 1834 | b43_controller_restart(dev, "DMA error"); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1835 | return; |
| 1836 | } |
| 1837 | if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) { |
| 1838 | b43err(dev->wl, "DMA error: " |
| 1839 | "0x%08X, 0x%08X, 0x%08X, " |
| 1840 | "0x%08X, 0x%08X, 0x%08X\n", |
| 1841 | dma_reason[0], dma_reason[1], |
| 1842 | dma_reason[2], dma_reason[3], |
| 1843 | dma_reason[4], dma_reason[5]); |
| 1844 | } |
| 1845 | } |
| 1846 | |
| 1847 | if (unlikely(reason & B43_IRQ_UCODE_DEBUG)) |
| 1848 | handle_irq_ucode_debug(dev); |
| 1849 | if (reason & B43_IRQ_TBTT_INDI) |
| 1850 | handle_irq_tbtt_indication(dev); |
| 1851 | if (reason & B43_IRQ_ATIM_END) |
| 1852 | handle_irq_atim_end(dev); |
| 1853 | if (reason & B43_IRQ_BEACON) |
| 1854 | handle_irq_beacon(dev); |
| 1855 | if (reason & B43_IRQ_PMQ) |
| 1856 | handle_irq_pmq(dev); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1857 | if (reason & B43_IRQ_TXFIFO_FLUSH_OK) |
| 1858 | ;/* TODO */ |
| 1859 | if (reason & B43_IRQ_NOISESAMPLE_OK) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1860 | handle_irq_noise(dev); |
| 1861 | |
| 1862 | /* Check the DMA reason registers for received data. */ |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 1863 | if (dma_reason[0] & B43_DMAIRQ_RX_DONE) { |
| 1864 | if (b43_using_pio_transfers(dev)) |
| 1865 | b43_pio_rx(dev->pio.rx_queue); |
| 1866 | else |
| 1867 | b43_dma_rx(dev->dma.rx_ring); |
| 1868 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1869 | B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE); |
| 1870 | B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE); |
Michael Buesch | b27faf8 | 2008-03-06 16:32:46 +0100 | [diff] [blame] | 1871 | B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1872 | B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE); |
| 1873 | B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE); |
| 1874 | |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1875 | if (reason & B43_IRQ_TX_OK) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1876 | handle_irq_transmit_status(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1877 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1878 | /* Re-enable interrupts on the device by restoring the current interrupt mask. */ |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1879 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
Michael Buesch | 990b86f | 2009-09-12 00:48:03 +0200 | [diff] [blame] | 1880 | |
| 1881 | #if B43_DEBUG |
| 1882 | if (b43_debug(dev, B43_DBG_VERBOSESTATS)) { |
| 1883 | dev->irq_count++; |
| 1884 | for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) { |
| 1885 | if (reason & (1 << i)) |
| 1886 | dev->irq_bit_count[i]++; |
| 1887 | } |
| 1888 | } |
| 1889 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1890 | } |
| 1891 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1892 | /* Interrupt thread handler. Handles device interrupts in thread context. */ |
| 1893 | static irqreturn_t b43_interrupt_thread_handler(int irq, void *dev_id) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1894 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1895 | struct b43_wldev *dev = dev_id; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1896 | |
| 1897 | mutex_lock(&dev->wl->mutex); |
| 1898 | b43_do_interrupt_thread(dev); |
| 1899 | mmiowb(); |
| 1900 | mutex_unlock(&dev->wl->mutex); |
| 1901 | |
| 1902 | return IRQ_HANDLED; |
| 1903 | } |
| 1904 | |
| 1905 | static irqreturn_t b43_do_interrupt(struct b43_wldev *dev) |
| 1906 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1907 | u32 reason; |
| 1908 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1909 | /* This code runs under wl->hardirq_lock, but _only_ on non-SDIO busses. |
| 1910 | * On SDIO, this runs under wl->mutex. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1911 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1912 | reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 1913 | if (reason == 0xffffffff) /* shared IRQ */ |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1914 | return IRQ_NONE; |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1915 | reason &= dev->irq_mask; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1916 | if (!reason) |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1917 | return IRQ_HANDLED; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1918 | |
| 1919 | dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON) |
| 1920 | & 0x0001DC00; |
| 1921 | dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON) |
| 1922 | & 0x0000DC00; |
| 1923 | dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON) |
| 1924 | & 0x0000DC00; |
| 1925 | dev->dma_reason[3] = b43_read32(dev, B43_MMIO_DMA3_REASON) |
| 1926 | & 0x0001DC00; |
| 1927 | dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON) |
| 1928 | & 0x0000DC00; |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1929 | /* Unused ring |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1930 | dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON) |
| 1931 | & 0x0000DC00; |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 1932 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1933 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1934 | /* ACK the interrupt. */ |
| 1935 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason); |
| 1936 | b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]); |
| 1937 | b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]); |
| 1938 | b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]); |
| 1939 | b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]); |
| 1940 | b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]); |
| 1941 | /* Unused ring |
| 1942 | b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]); |
| 1943 | */ |
| 1944 | |
| 1945 | /* 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] | 1946 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1947 | /* Save the reason bitmasks for the IRQ thread handler. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1948 | dev->irq_reason = reason; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1949 | |
| 1950 | return IRQ_WAKE_THREAD; |
| 1951 | } |
| 1952 | |
| 1953 | /* Interrupt handler top-half. This runs with interrupts disabled. */ |
| 1954 | static irqreturn_t b43_interrupt_handler(int irq, void *dev_id) |
| 1955 | { |
| 1956 | struct b43_wldev *dev = dev_id; |
| 1957 | irqreturn_t ret; |
| 1958 | |
| 1959 | if (unlikely(b43_status(dev) < B43_STAT_STARTED)) |
| 1960 | return IRQ_NONE; |
| 1961 | |
| 1962 | spin_lock(&dev->wl->hardirq_lock); |
| 1963 | ret = b43_do_interrupt(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1964 | mmiowb(); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 1965 | spin_unlock(&dev->wl->hardirq_lock); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1966 | |
| 1967 | return ret; |
| 1968 | } |
| 1969 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 1970 | /* SDIO interrupt handler. This runs in process context. */ |
| 1971 | static void b43_sdio_interrupt_handler(struct b43_wldev *dev) |
| 1972 | { |
| 1973 | struct b43_wl *wl = dev->wl; |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 1974 | irqreturn_t ret; |
| 1975 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 1976 | mutex_lock(&wl->mutex); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 1977 | |
| 1978 | ret = b43_do_interrupt(dev); |
| 1979 | if (ret == IRQ_WAKE_THREAD) |
| 1980 | b43_do_interrupt_thread(dev); |
| 1981 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 1982 | mutex_unlock(&wl->mutex); |
| 1983 | } |
| 1984 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 1985 | void b43_do_release_fw(struct b43_firmware_file *fw) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1986 | { |
| 1987 | release_firmware(fw->data); |
| 1988 | fw->data = NULL; |
| 1989 | fw->filename = NULL; |
| 1990 | } |
| 1991 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1992 | static void b43_release_firmware(struct b43_wldev *dev) |
| 1993 | { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 1994 | b43_do_release_fw(&dev->fw.ucode); |
| 1995 | b43_do_release_fw(&dev->fw.pcm); |
| 1996 | b43_do_release_fw(&dev->fw.initvals); |
| 1997 | b43_do_release_fw(&dev->fw.initvals_band); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1998 | } |
| 1999 | |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2000 | static void b43_print_fw_helptext(struct b43_wl *wl, bool error) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2001 | { |
Hannes Eder | fc68ed4 | 2009-02-14 11:50:06 +0000 | [diff] [blame] | 2002 | const char text[] = |
| 2003 | "You must go to " \ |
| 2004 | "http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware " \ |
| 2005 | "and download the correct firmware for this driver version. " \ |
| 2006 | "Please carefully read all instructions on this website.\n"; |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2007 | |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2008 | if (error) |
| 2009 | b43err(wl, text); |
| 2010 | else |
| 2011 | b43warn(wl, text); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2012 | } |
| 2013 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2014 | int b43_do_request_fw(struct b43_request_fw_context *ctx, |
| 2015 | const char *name, |
| 2016 | struct b43_firmware_file *fw) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2017 | { |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2018 | const struct firmware *blob; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2019 | struct b43_fw_header *hdr; |
| 2020 | u32 size; |
| 2021 | int err; |
| 2022 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2023 | if (!name) { |
| 2024 | /* Don't fetch anything. Free possibly cached firmware. */ |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2025 | /* FIXME: We should probably keep it anyway, to save some headache |
| 2026 | * on suspend/resume with multiband devices. */ |
| 2027 | b43_do_release_fw(fw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2028 | return 0; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2029 | } |
| 2030 | if (fw->filename) { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2031 | if ((fw->type == ctx->req_type) && |
| 2032 | (strcmp(fw->filename, name) == 0)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2033 | return 0; /* Already have this fw. */ |
| 2034 | /* Free the cached firmware first. */ |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2035 | /* FIXME: We should probably do this later after we successfully |
| 2036 | * got the new fw. This could reduce headache with multiband devices. |
| 2037 | * We could also redesign this to cache the firmware for all possible |
| 2038 | * bands all the time. */ |
| 2039 | b43_do_release_fw(fw); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2040 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2041 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2042 | switch (ctx->req_type) { |
| 2043 | case B43_FWTYPE_PROPRIETARY: |
| 2044 | snprintf(ctx->fwname, sizeof(ctx->fwname), |
| 2045 | "b43%s/%s.fw", |
| 2046 | modparam_fwpostfix, name); |
| 2047 | break; |
| 2048 | case B43_FWTYPE_OPENSOURCE: |
| 2049 | snprintf(ctx->fwname, sizeof(ctx->fwname), |
| 2050 | "b43-open%s/%s.fw", |
| 2051 | modparam_fwpostfix, name); |
| 2052 | break; |
| 2053 | default: |
| 2054 | B43_WARN_ON(1); |
| 2055 | return -ENOSYS; |
| 2056 | } |
| 2057 | err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2058 | if (err == -ENOENT) { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2059 | snprintf(ctx->errors[ctx->req_type], |
| 2060 | sizeof(ctx->errors[ctx->req_type]), |
| 2061 | "Firmware file \"%s\" not found\n", ctx->fwname); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2062 | return err; |
| 2063 | } else if (err) { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2064 | snprintf(ctx->errors[ctx->req_type], |
| 2065 | sizeof(ctx->errors[ctx->req_type]), |
| 2066 | "Firmware file \"%s\" request failed (err=%d)\n", |
| 2067 | ctx->fwname, err); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2068 | return err; |
| 2069 | } |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2070 | if (blob->size < sizeof(struct b43_fw_header)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2071 | goto err_format; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2072 | hdr = (struct b43_fw_header *)(blob->data); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2073 | switch (hdr->type) { |
| 2074 | case B43_FW_TYPE_UCODE: |
| 2075 | case B43_FW_TYPE_PCM: |
| 2076 | size = be32_to_cpu(hdr->size); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2077 | if (size != blob->size - sizeof(struct b43_fw_header)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2078 | goto err_format; |
| 2079 | /* fallthrough */ |
| 2080 | case B43_FW_TYPE_IV: |
| 2081 | if (hdr->ver != 1) |
| 2082 | goto err_format; |
| 2083 | break; |
| 2084 | default: |
| 2085 | goto err_format; |
| 2086 | } |
| 2087 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2088 | fw->data = blob; |
| 2089 | fw->filename = name; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2090 | fw->type = ctx->req_type; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2091 | |
| 2092 | return 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2093 | |
| 2094 | err_format: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2095 | snprintf(ctx->errors[ctx->req_type], |
| 2096 | sizeof(ctx->errors[ctx->req_type]), |
| 2097 | "Firmware file \"%s\" format error.\n", ctx->fwname); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2098 | release_firmware(blob); |
| 2099 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2100 | return -EPROTO; |
| 2101 | } |
| 2102 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2103 | static int b43_try_request_fw(struct b43_request_fw_context *ctx) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2104 | { |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2105 | struct b43_wldev *dev = ctx->dev; |
| 2106 | struct b43_firmware *fw = &ctx->dev->fw; |
| 2107 | const u8 rev = ctx->dev->dev->id.revision; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2108 | const char *filename; |
| 2109 | u32 tmshigh; |
| 2110 | int err; |
| 2111 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2112 | /* Get microcode */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2113 | tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2114 | if ((rev >= 5) && (rev <= 10)) |
| 2115 | filename = "ucode5"; |
| 2116 | else if ((rev >= 11) && (rev <= 12)) |
| 2117 | filename = "ucode11"; |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2118 | else if (rev == 13) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2119 | filename = "ucode13"; |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2120 | else if (rev == 14) |
| 2121 | filename = "ucode14"; |
| 2122 | else if (rev >= 15) |
| 2123 | filename = "ucode15"; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2124 | else |
| 2125 | goto err_no_ucode; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2126 | err = b43_do_request_fw(ctx, filename, &fw->ucode); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2127 | if (err) |
| 2128 | goto err_load; |
| 2129 | |
| 2130 | /* Get PCM code */ |
| 2131 | if ((rev >= 5) && (rev <= 10)) |
| 2132 | filename = "pcm5"; |
| 2133 | else if (rev >= 11) |
| 2134 | filename = NULL; |
| 2135 | else |
| 2136 | goto err_no_pcm; |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2137 | fw->pcm_request_failed = 0; |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2138 | err = b43_do_request_fw(ctx, filename, &fw->pcm); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2139 | if (err == -ENOENT) { |
| 2140 | /* We did not find a PCM file? Not fatal, but |
| 2141 | * core rev <= 10 must do without hwcrypto then. */ |
| 2142 | fw->pcm_request_failed = 1; |
| 2143 | } else if (err) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2144 | goto err_load; |
| 2145 | |
| 2146 | /* Get initvals */ |
| 2147 | switch (dev->phy.type) { |
| 2148 | case B43_PHYTYPE_A: |
| 2149 | if ((rev >= 5) && (rev <= 10)) { |
| 2150 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
| 2151 | filename = "a0g1initvals5"; |
| 2152 | else |
| 2153 | filename = "a0g0initvals5"; |
| 2154 | } else |
| 2155 | goto err_no_initvals; |
| 2156 | break; |
| 2157 | case B43_PHYTYPE_G: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2158 | if ((rev >= 5) && (rev <= 10)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2159 | filename = "b0g0initvals5"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2160 | else if (rev >= 13) |
Larry.Finger@lwfinger.net | e930488 | 2008-05-15 14:07:36 -0500 | [diff] [blame] | 2161 | filename = "b0g0initvals13"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2162 | else |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2163 | goto err_no_initvals; |
| 2164 | break; |
| 2165 | case B43_PHYTYPE_N: |
| 2166 | if ((rev >= 11) && (rev <= 12)) |
| 2167 | filename = "n0initvals11"; |
| 2168 | else |
| 2169 | goto err_no_initvals; |
| 2170 | break; |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2171 | case B43_PHYTYPE_LP: |
| 2172 | if (rev == 13) |
| 2173 | filename = "lp0initvals13"; |
| 2174 | else if (rev == 14) |
| 2175 | filename = "lp0initvals14"; |
| 2176 | else if (rev >= 15) |
| 2177 | filename = "lp0initvals15"; |
| 2178 | else |
| 2179 | goto err_no_initvals; |
| 2180 | break; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2181 | default: |
| 2182 | goto err_no_initvals; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2183 | } |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2184 | err = b43_do_request_fw(ctx, filename, &fw->initvals); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2185 | if (err) |
| 2186 | goto err_load; |
| 2187 | |
| 2188 | /* Get bandswitch initvals */ |
| 2189 | switch (dev->phy.type) { |
| 2190 | case B43_PHYTYPE_A: |
| 2191 | if ((rev >= 5) && (rev <= 10)) { |
| 2192 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
| 2193 | filename = "a0g1bsinitvals5"; |
| 2194 | else |
| 2195 | filename = "a0g0bsinitvals5"; |
| 2196 | } else if (rev >= 11) |
| 2197 | filename = NULL; |
| 2198 | else |
| 2199 | goto err_no_initvals; |
| 2200 | break; |
| 2201 | case B43_PHYTYPE_G: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2202 | if ((rev >= 5) && (rev <= 10)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2203 | filename = "b0g0bsinitvals5"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2204 | else if (rev >= 11) |
| 2205 | filename = NULL; |
| 2206 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2207 | goto err_no_initvals; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2208 | break; |
| 2209 | case B43_PHYTYPE_N: |
| 2210 | if ((rev >= 11) && (rev <= 12)) |
| 2211 | filename = "n0bsinitvals11"; |
| 2212 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2213 | goto err_no_initvals; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2214 | break; |
Gábor Stefanik | 759b973 | 2009-08-14 14:39:53 +0200 | [diff] [blame] | 2215 | case B43_PHYTYPE_LP: |
| 2216 | if (rev == 13) |
| 2217 | filename = "lp0bsinitvals13"; |
| 2218 | else if (rev == 14) |
| 2219 | filename = "lp0bsinitvals14"; |
| 2220 | else if (rev >= 15) |
| 2221 | filename = "lp0bsinitvals15"; |
| 2222 | else |
| 2223 | goto err_no_initvals; |
| 2224 | break; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2225 | default: |
| 2226 | goto err_no_initvals; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2227 | } |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2228 | err = b43_do_request_fw(ctx, filename, &fw->initvals_band); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2229 | if (err) |
| 2230 | goto err_load; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2231 | |
| 2232 | return 0; |
| 2233 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2234 | err_no_ucode: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2235 | err = ctx->fatal_failure = -EOPNOTSUPP; |
| 2236 | b43err(dev->wl, "The driver does not know which firmware (ucode) " |
| 2237 | "is required for your device (wl-core rev %u)\n", rev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2238 | goto error; |
| 2239 | |
| 2240 | err_no_pcm: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2241 | err = ctx->fatal_failure = -EOPNOTSUPP; |
| 2242 | b43err(dev->wl, "The driver does not know which firmware (PCM) " |
| 2243 | "is required for your device (wl-core rev %u)\n", rev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2244 | goto error; |
| 2245 | |
| 2246 | err_no_initvals: |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2247 | err = ctx->fatal_failure = -EOPNOTSUPP; |
| 2248 | b43err(dev->wl, "The driver does not know which firmware (initvals) " |
| 2249 | "is required for your device (wl-core rev %u)\n", rev); |
| 2250 | goto error; |
| 2251 | |
| 2252 | err_load: |
| 2253 | /* We failed to load this firmware image. The error message |
| 2254 | * already is in ctx->errors. Return and let our caller decide |
| 2255 | * what to do. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2256 | goto error; |
| 2257 | |
| 2258 | error: |
| 2259 | b43_release_firmware(dev); |
| 2260 | return err; |
| 2261 | } |
| 2262 | |
Michael Buesch | 1a9f509 | 2009-01-23 21:21:51 +0100 | [diff] [blame] | 2263 | static int b43_request_firmware(struct b43_wldev *dev) |
| 2264 | { |
| 2265 | struct b43_request_fw_context *ctx; |
| 2266 | unsigned int i; |
| 2267 | int err; |
| 2268 | const char *errmsg; |
| 2269 | |
| 2270 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
| 2271 | if (!ctx) |
| 2272 | return -ENOMEM; |
| 2273 | ctx->dev = dev; |
| 2274 | |
| 2275 | ctx->req_type = B43_FWTYPE_PROPRIETARY; |
| 2276 | err = b43_try_request_fw(ctx); |
| 2277 | if (!err) |
| 2278 | goto out; /* Successfully loaded it. */ |
| 2279 | err = ctx->fatal_failure; |
| 2280 | if (err) |
| 2281 | goto out; |
| 2282 | |
| 2283 | ctx->req_type = B43_FWTYPE_OPENSOURCE; |
| 2284 | err = b43_try_request_fw(ctx); |
| 2285 | if (!err) |
| 2286 | goto out; /* Successfully loaded it. */ |
| 2287 | err = ctx->fatal_failure; |
| 2288 | if (err) |
| 2289 | goto out; |
| 2290 | |
| 2291 | /* Could not find a usable firmware. Print the errors. */ |
| 2292 | for (i = 0; i < B43_NR_FWTYPES; i++) { |
| 2293 | errmsg = ctx->errors[i]; |
| 2294 | if (strlen(errmsg)) |
| 2295 | b43err(dev->wl, errmsg); |
| 2296 | } |
| 2297 | b43_print_fw_helptext(dev->wl, 1); |
| 2298 | err = -ENOENT; |
| 2299 | |
| 2300 | out: |
| 2301 | kfree(ctx); |
| 2302 | return err; |
| 2303 | } |
| 2304 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2305 | static int b43_upload_microcode(struct b43_wldev *dev) |
| 2306 | { |
John W. Linville | 652caa5 | 2010-07-29 13:27:28 -0400 | [diff] [blame] | 2307 | struct wiphy *wiphy = dev->wl->hw->wiphy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2308 | const size_t hdr_len = sizeof(struct b43_fw_header); |
| 2309 | const __be32 *data; |
| 2310 | unsigned int i, len; |
| 2311 | u16 fwrev, fwpatch, fwdate, fwtime; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2312 | u32 tmp, macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2313 | int err = 0; |
| 2314 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2315 | /* Jump the microcode PSM to offset 0 */ |
| 2316 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2317 | B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN); |
| 2318 | macctl |= B43_MACCTL_PSM_JMP0; |
| 2319 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 2320 | /* Zero out all microcode PSM registers and shared memory. */ |
| 2321 | for (i = 0; i < 64; i++) |
| 2322 | b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0); |
| 2323 | for (i = 0; i < 4096; i += 2) |
| 2324 | b43_shm_write16(dev, B43_SHM_SHARED, i, 0); |
| 2325 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2326 | /* Upload Microcode. */ |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2327 | data = (__be32 *) (dev->fw.ucode.data->data + hdr_len); |
| 2328 | len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2329 | b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000); |
| 2330 | for (i = 0; i < len; i++) { |
| 2331 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); |
| 2332 | udelay(10); |
| 2333 | } |
| 2334 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2335 | if (dev->fw.pcm.data) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2336 | /* Upload PCM data. */ |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2337 | data = (__be32 *) (dev->fw.pcm.data->data + hdr_len); |
| 2338 | len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2339 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EA); |
| 2340 | b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000); |
| 2341 | /* No need for autoinc bit in SHM_HW */ |
| 2342 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EB); |
| 2343 | for (i = 0; i < len; i++) { |
| 2344 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); |
| 2345 | udelay(10); |
| 2346 | } |
| 2347 | } |
| 2348 | |
| 2349 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL); |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2350 | |
| 2351 | /* Start the microcode PSM */ |
| 2352 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2353 | macctl &= ~B43_MACCTL_PSM_JMP0; |
| 2354 | macctl |= B43_MACCTL_PSM_RUN; |
| 2355 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2356 | |
| 2357 | /* Wait for the microcode to load and respond */ |
| 2358 | i = 0; |
| 2359 | while (1) { |
| 2360 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2361 | if (tmp == B43_IRQ_MAC_SUSPENDED) |
| 2362 | break; |
| 2363 | i++; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2364 | if (i >= 20) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2365 | b43err(dev->wl, "Microcode not responding\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2366 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2367 | err = -ENODEV; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2368 | goto error; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2369 | } |
Michael Buesch | e175e99 | 2009-09-11 18:31:32 +0200 | [diff] [blame] | 2370 | msleep(50); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2371 | } |
| 2372 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */ |
| 2373 | |
| 2374 | /* Get and check the revisions. */ |
| 2375 | fwrev = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEREV); |
| 2376 | fwpatch = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEPATCH); |
| 2377 | fwdate = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEDATE); |
| 2378 | fwtime = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODETIME); |
| 2379 | |
| 2380 | if (fwrev <= 0x128) { |
| 2381 | b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from " |
| 2382 | "binary drivers older than version 4.x is unsupported. " |
| 2383 | "You must upgrade your firmware files.\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2384 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2385 | err = -EOPNOTSUPP; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2386 | goto error; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2387 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2388 | dev->fw.rev = fwrev; |
| 2389 | dev->fw.patch = fwpatch; |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2390 | dev->fw.opensource = (fwdate == 0xFFFF); |
| 2391 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2392 | /* Default to use-all-queues. */ |
| 2393 | dev->wl->hw->queues = dev->wl->mac80211_initially_registered_queues; |
| 2394 | dev->qos_enabled = !!modparam_qos; |
| 2395 | /* Default to firmware/hardware crypto acceleration. */ |
| 2396 | dev->hwcrypto_enabled = 1; |
| 2397 | |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2398 | if (dev->fw.opensource) { |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2399 | u16 fwcapa; |
| 2400 | |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2401 | /* Patchlevel info is encoded in the "time" field. */ |
| 2402 | dev->fw.patch = fwtime; |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 2403 | b43info(dev->wl, "Loading OpenSource firmware version %u.%u\n", |
| 2404 | dev->fw.rev, dev->fw.patch); |
| 2405 | |
| 2406 | fwcapa = b43_fwcapa_read(dev); |
| 2407 | if (!(fwcapa & B43_FWCAPA_HWCRYPTO) || dev->fw.pcm_request_failed) { |
| 2408 | b43info(dev->wl, "Hardware crypto acceleration not supported by firmware\n"); |
| 2409 | /* Disable hardware crypto and fall back to software crypto. */ |
| 2410 | dev->hwcrypto_enabled = 0; |
| 2411 | } |
| 2412 | if (!(fwcapa & B43_FWCAPA_QOS)) { |
| 2413 | b43info(dev->wl, "QoS not supported by firmware\n"); |
| 2414 | /* Disable QoS. Tweak hw->queues to 1. It will be restored before |
| 2415 | * ieee80211_unregister to make sure the networking core can |
| 2416 | * properly free possible resources. */ |
| 2417 | dev->wl->hw->queues = 1; |
| 2418 | dev->qos_enabled = 0; |
| 2419 | } |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2420 | } else { |
| 2421 | b43info(dev->wl, "Loading firmware version %u.%u " |
| 2422 | "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", |
| 2423 | fwrev, fwpatch, |
| 2424 | (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, |
| 2425 | (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 2426 | if (dev->fw.pcm_request_failed) { |
| 2427 | b43warn(dev->wl, "No \"pcm5.fw\" firmware file found. " |
| 2428 | "Hardware accelerated cryptography is disabled.\n"); |
| 2429 | b43_print_fw_helptext(dev->wl, 0); |
| 2430 | } |
Michael Buesch | e48b0ee | 2008-05-17 22:44:35 +0200 | [diff] [blame] | 2431 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2432 | |
John W. Linville | 652caa5 | 2010-07-29 13:27:28 -0400 | [diff] [blame] | 2433 | snprintf(wiphy->fw_version, sizeof(wiphy->fw_version), "%u.%u", |
| 2434 | dev->fw.rev, dev->fw.patch); |
| 2435 | wiphy->hw_version = dev->dev->id.coreid; |
| 2436 | |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2437 | if (b43_is_old_txhdr_format(dev)) { |
Michael Buesch | c557289 | 2008-12-27 18:26:39 +0100 | [diff] [blame] | 2438 | /* We're over the deadline, but we keep support for old fw |
| 2439 | * until it turns out to be in major conflict with something new. */ |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2440 | b43warn(dev->wl, "You are using an old firmware image. " |
Michael Buesch | c557289 | 2008-12-27 18:26:39 +0100 | [diff] [blame] | 2441 | "Support for old firmware will be removed soon " |
| 2442 | "(official deadline was July 2008).\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2443 | b43_print_fw_helptext(dev->wl, 0); |
| 2444 | } |
| 2445 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2446 | return 0; |
| 2447 | |
| 2448 | error: |
| 2449 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2450 | macctl &= ~B43_MACCTL_PSM_RUN; |
| 2451 | macctl |= B43_MACCTL_PSM_JMP0; |
| 2452 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 2453 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2454 | return err; |
| 2455 | } |
| 2456 | |
| 2457 | static int b43_write_initvals(struct b43_wldev *dev, |
| 2458 | const struct b43_iv *ivals, |
| 2459 | size_t count, |
| 2460 | size_t array_size) |
| 2461 | { |
| 2462 | const struct b43_iv *iv; |
| 2463 | u16 offset; |
| 2464 | size_t i; |
| 2465 | bool bit32; |
| 2466 | |
| 2467 | BUILD_BUG_ON(sizeof(struct b43_iv) != 6); |
| 2468 | iv = ivals; |
| 2469 | for (i = 0; i < count; i++) { |
| 2470 | if (array_size < sizeof(iv->offset_size)) |
| 2471 | goto err_format; |
| 2472 | array_size -= sizeof(iv->offset_size); |
| 2473 | offset = be16_to_cpu(iv->offset_size); |
| 2474 | bit32 = !!(offset & B43_IV_32BIT); |
| 2475 | offset &= B43_IV_OFFSET_MASK; |
| 2476 | if (offset >= 0x1000) |
| 2477 | goto err_format; |
| 2478 | if (bit32) { |
| 2479 | u32 value; |
| 2480 | |
| 2481 | if (array_size < sizeof(iv->data.d32)) |
| 2482 | goto err_format; |
| 2483 | array_size -= sizeof(iv->data.d32); |
| 2484 | |
Harvey Harrison | 533dd1b | 2008-04-29 01:03:36 -0700 | [diff] [blame] | 2485 | value = get_unaligned_be32(&iv->data.d32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2486 | b43_write32(dev, offset, value); |
| 2487 | |
| 2488 | iv = (const struct b43_iv *)((const uint8_t *)iv + |
| 2489 | sizeof(__be16) + |
| 2490 | sizeof(__be32)); |
| 2491 | } else { |
| 2492 | u16 value; |
| 2493 | |
| 2494 | if (array_size < sizeof(iv->data.d16)) |
| 2495 | goto err_format; |
| 2496 | array_size -= sizeof(iv->data.d16); |
| 2497 | |
| 2498 | value = be16_to_cpu(iv->data.d16); |
| 2499 | b43_write16(dev, offset, value); |
| 2500 | |
| 2501 | iv = (const struct b43_iv *)((const uint8_t *)iv + |
| 2502 | sizeof(__be16) + |
| 2503 | sizeof(__be16)); |
| 2504 | } |
| 2505 | } |
| 2506 | if (array_size) |
| 2507 | goto err_format; |
| 2508 | |
| 2509 | return 0; |
| 2510 | |
| 2511 | err_format: |
| 2512 | b43err(dev->wl, "Initial Values Firmware file-format error.\n"); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2513 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2514 | |
| 2515 | return -EPROTO; |
| 2516 | } |
| 2517 | |
| 2518 | static int b43_upload_initvals(struct b43_wldev *dev) |
| 2519 | { |
| 2520 | const size_t hdr_len = sizeof(struct b43_fw_header); |
| 2521 | const struct b43_fw_header *hdr; |
| 2522 | struct b43_firmware *fw = &dev->fw; |
| 2523 | const struct b43_iv *ivals; |
| 2524 | size_t count; |
| 2525 | int err; |
| 2526 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2527 | hdr = (const struct b43_fw_header *)(fw->initvals.data->data); |
| 2528 | ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2529 | count = be32_to_cpu(hdr->size); |
| 2530 | err = b43_write_initvals(dev, ivals, count, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2531 | fw->initvals.data->size - hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2532 | if (err) |
| 2533 | goto out; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2534 | if (fw->initvals_band.data) { |
| 2535 | hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data); |
| 2536 | ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2537 | count = be32_to_cpu(hdr->size); |
| 2538 | err = b43_write_initvals(dev, ivals, count, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 2539 | fw->initvals_band.data->size - hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2540 | if (err) |
| 2541 | goto out; |
| 2542 | } |
| 2543 | out: |
| 2544 | |
| 2545 | return err; |
| 2546 | } |
| 2547 | |
| 2548 | /* Initialize the GPIOs |
| 2549 | * http://bcm-specs.sipsolutions.net/GPIO |
| 2550 | */ |
| 2551 | static int b43_gpio_init(struct b43_wldev *dev) |
| 2552 | { |
| 2553 | struct ssb_bus *bus = dev->dev->bus; |
| 2554 | struct ssb_device *gpiodev, *pcidev = NULL; |
| 2555 | u32 mask, set; |
| 2556 | |
| 2557 | b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) |
| 2558 | & ~B43_MACCTL_GPOUTSMSK); |
| 2559 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2560 | b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2561 | | 0x000F); |
| 2562 | |
| 2563 | mask = 0x0000001F; |
| 2564 | set = 0x0000000F; |
| 2565 | if (dev->dev->bus->chip_id == 0x4301) { |
| 2566 | mask |= 0x0060; |
| 2567 | set |= 0x0060; |
| 2568 | } |
| 2569 | if (0 /* FIXME: conditional unknown */ ) { |
| 2570 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
| 2571 | b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2572 | | 0x0100); |
| 2573 | mask |= 0x0180; |
| 2574 | set |= 0x0180; |
| 2575 | } |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 2576 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2577 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
| 2578 | b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2579 | | 0x0200); |
| 2580 | mask |= 0x0200; |
| 2581 | set |= 0x0200; |
| 2582 | } |
| 2583 | if (dev->dev->id.revision >= 2) |
| 2584 | mask |= 0x0010; /* FIXME: This is redundant. */ |
| 2585 | |
| 2586 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 2587 | pcidev = bus->pcicore.dev; |
| 2588 | #endif |
| 2589 | gpiodev = bus->chipco.dev ? : pcidev; |
| 2590 | if (!gpiodev) |
| 2591 | return 0; |
| 2592 | ssb_write32(gpiodev, B43_GPIO_CONTROL, |
| 2593 | (ssb_read32(gpiodev, B43_GPIO_CONTROL) |
| 2594 | & mask) | set); |
| 2595 | |
| 2596 | return 0; |
| 2597 | } |
| 2598 | |
| 2599 | /* Turn off all GPIO stuff. Call this on module unload, for example. */ |
| 2600 | static void b43_gpio_cleanup(struct b43_wldev *dev) |
| 2601 | { |
| 2602 | struct ssb_bus *bus = dev->dev->bus; |
| 2603 | struct ssb_device *gpiodev, *pcidev = NULL; |
| 2604 | |
| 2605 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 2606 | pcidev = bus->pcicore.dev; |
| 2607 | #endif |
| 2608 | gpiodev = bus->chipco.dev ? : pcidev; |
| 2609 | if (!gpiodev) |
| 2610 | return; |
| 2611 | ssb_write32(gpiodev, B43_GPIO_CONTROL, 0); |
| 2612 | } |
| 2613 | |
| 2614 | /* http://bcm-specs.sipsolutions.net/EnableMac */ |
Michael Buesch | f5eda47 | 2008-04-20 16:03:32 +0200 | [diff] [blame] | 2615 | void b43_mac_enable(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2616 | { |
Michael Buesch | 923fd70 | 2008-06-20 18:02:08 +0200 | [diff] [blame] | 2617 | if (b43_debug(dev, B43_DBG_FIRMWARE)) { |
| 2618 | u16 fwstate; |
| 2619 | |
| 2620 | fwstate = b43_shm_read16(dev, B43_SHM_SHARED, |
| 2621 | B43_SHM_SH_UCODESTAT); |
| 2622 | if ((fwstate != B43_SHM_SH_UCODESTAT_SUSP) && |
| 2623 | (fwstate != B43_SHM_SH_UCODESTAT_SLEEP)) { |
| 2624 | b43err(dev->wl, "b43_mac_enable(): The firmware " |
| 2625 | "should be suspended, but current state is %u\n", |
| 2626 | fwstate); |
| 2627 | } |
| 2628 | } |
| 2629 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2630 | dev->mac_suspended--; |
| 2631 | B43_WARN_ON(dev->mac_suspended < 0); |
| 2632 | if (dev->mac_suspended == 0) { |
| 2633 | b43_write32(dev, B43_MMIO_MACCTL, |
| 2634 | b43_read32(dev, B43_MMIO_MACCTL) |
| 2635 | | B43_MACCTL_ENABLED); |
| 2636 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, |
| 2637 | B43_IRQ_MAC_SUSPENDED); |
| 2638 | /* Commit writes */ |
| 2639 | b43_read32(dev, B43_MMIO_MACCTL); |
| 2640 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2641 | b43_power_saving_ctl_bits(dev, 0); |
| 2642 | } |
| 2643 | } |
| 2644 | |
| 2645 | /* http://bcm-specs.sipsolutions.net/SuspendMAC */ |
Michael Buesch | f5eda47 | 2008-04-20 16:03:32 +0200 | [diff] [blame] | 2646 | void b43_mac_suspend(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2647 | { |
| 2648 | int i; |
| 2649 | u32 tmp; |
| 2650 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2651 | might_sleep(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2652 | B43_WARN_ON(dev->mac_suspended < 0); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2653 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2654 | if (dev->mac_suspended == 0) { |
| 2655 | b43_power_saving_ctl_bits(dev, B43_PS_AWAKE); |
| 2656 | b43_write32(dev, B43_MMIO_MACCTL, |
| 2657 | b43_read32(dev, B43_MMIO_MACCTL) |
| 2658 | & ~B43_MACCTL_ENABLED); |
| 2659 | /* force pci to flush the write */ |
| 2660 | b43_read32(dev, B43_MMIO_MACCTL); |
Michael Buesch | ba38001 | 2008-04-15 21:13:36 +0200 | [diff] [blame] | 2661 | for (i = 35; i; i--) { |
| 2662 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2663 | if (tmp & B43_IRQ_MAC_SUSPENDED) |
| 2664 | goto out; |
| 2665 | udelay(10); |
| 2666 | } |
| 2667 | /* Hm, it seems this will take some time. Use msleep(). */ |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2668 | for (i = 40; i; i--) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2669 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2670 | if (tmp & B43_IRQ_MAC_SUSPENDED) |
| 2671 | goto out; |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2672 | msleep(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2673 | } |
| 2674 | b43err(dev->wl, "MAC suspend failed\n"); |
| 2675 | } |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2676 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2677 | dev->mac_suspended++; |
| 2678 | } |
| 2679 | |
| 2680 | static void b43_adjust_opmode(struct b43_wldev *dev) |
| 2681 | { |
| 2682 | struct b43_wl *wl = dev->wl; |
| 2683 | u32 ctl; |
| 2684 | u16 cfp_pretbtt; |
| 2685 | |
| 2686 | ctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2687 | /* Reset status to STA infrastructure mode. */ |
| 2688 | ctl &= ~B43_MACCTL_AP; |
| 2689 | ctl &= ~B43_MACCTL_KEEP_CTL; |
| 2690 | ctl &= ~B43_MACCTL_KEEP_BADPLCP; |
| 2691 | ctl &= ~B43_MACCTL_KEEP_BAD; |
| 2692 | ctl &= ~B43_MACCTL_PROMISC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2693 | ctl &= ~B43_MACCTL_BEACPROMISC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2694 | ctl |= B43_MACCTL_INFRA; |
| 2695 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2696 | if (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
| 2697 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2698 | ctl |= B43_MACCTL_AP; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 2699 | else if (b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2700 | ctl &= ~B43_MACCTL_INFRA; |
| 2701 | |
| 2702 | if (wl->filter_flags & FIF_CONTROL) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2703 | ctl |= B43_MACCTL_KEEP_CTL; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2704 | if (wl->filter_flags & FIF_FCSFAIL) |
| 2705 | ctl |= B43_MACCTL_KEEP_BAD; |
| 2706 | if (wl->filter_flags & FIF_PLCPFAIL) |
| 2707 | ctl |= B43_MACCTL_KEEP_BADPLCP; |
| 2708 | if (wl->filter_flags & FIF_PROMISC_IN_BSS) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2709 | ctl |= B43_MACCTL_PROMISC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2710 | if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC) |
| 2711 | ctl |= B43_MACCTL_BEACPROMISC; |
| 2712 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2713 | /* Workaround: On old hardware the HW-MAC-address-filter |
| 2714 | * doesn't work properly, so always run promisc in filter |
| 2715 | * it in software. */ |
| 2716 | if (dev->dev->id.revision <= 4) |
| 2717 | ctl |= B43_MACCTL_PROMISC; |
| 2718 | |
| 2719 | b43_write32(dev, B43_MMIO_MACCTL, ctl); |
| 2720 | |
| 2721 | cfp_pretbtt = 2; |
| 2722 | if ((ctl & B43_MACCTL_INFRA) && !(ctl & B43_MACCTL_AP)) { |
| 2723 | if (dev->dev->bus->chip_id == 0x4306 && |
| 2724 | dev->dev->bus->chip_rev == 3) |
| 2725 | cfp_pretbtt = 100; |
| 2726 | else |
| 2727 | cfp_pretbtt = 50; |
| 2728 | } |
| 2729 | b43_write16(dev, 0x612, cfp_pretbtt); |
Michael Buesch | 09ebe2f | 2009-09-12 00:52:48 +0200 | [diff] [blame] | 2730 | |
| 2731 | /* FIXME: We don't currently implement the PMQ mechanism, |
| 2732 | * so always disable it. If we want to implement PMQ, |
| 2733 | * we need to enable it here (clear DISCPMQ) in AP mode. |
| 2734 | */ |
| 2735 | if (0 /* ctl & B43_MACCTL_AP */) { |
| 2736 | b43_write32(dev, B43_MMIO_MACCTL, |
| 2737 | b43_read32(dev, B43_MMIO_MACCTL) |
| 2738 | & ~B43_MACCTL_DISCPMQ); |
| 2739 | } else { |
| 2740 | b43_write32(dev, B43_MMIO_MACCTL, |
| 2741 | b43_read32(dev, B43_MMIO_MACCTL) |
| 2742 | | B43_MACCTL_DISCPMQ); |
| 2743 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2744 | } |
| 2745 | |
| 2746 | static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm) |
| 2747 | { |
| 2748 | u16 offset; |
| 2749 | |
| 2750 | if (is_ofdm) { |
| 2751 | offset = 0x480; |
| 2752 | offset += (b43_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; |
| 2753 | } else { |
| 2754 | offset = 0x4C0; |
| 2755 | offset += (b43_plcp_get_ratecode_cck(rate) & 0x000F) * 2; |
| 2756 | } |
| 2757 | b43_shm_write16(dev, B43_SHM_SHARED, offset + 0x20, |
| 2758 | b43_shm_read16(dev, B43_SHM_SHARED, offset)); |
| 2759 | } |
| 2760 | |
| 2761 | static void b43_rate_memory_init(struct b43_wldev *dev) |
| 2762 | { |
| 2763 | switch (dev->phy.type) { |
| 2764 | case B43_PHYTYPE_A: |
| 2765 | case B43_PHYTYPE_G: |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame] | 2766 | case B43_PHYTYPE_N: |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 2767 | case B43_PHYTYPE_LP: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2768 | b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1); |
| 2769 | b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1); |
| 2770 | b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1); |
| 2771 | b43_rate_memory_write(dev, B43_OFDM_RATE_24MB, 1); |
| 2772 | b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1); |
| 2773 | b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1); |
| 2774 | b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1); |
| 2775 | if (dev->phy.type == B43_PHYTYPE_A) |
| 2776 | break; |
| 2777 | /* fallthrough */ |
| 2778 | case B43_PHYTYPE_B: |
| 2779 | b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0); |
| 2780 | b43_rate_memory_write(dev, B43_CCK_RATE_2MB, 0); |
| 2781 | b43_rate_memory_write(dev, B43_CCK_RATE_5MB, 0); |
| 2782 | b43_rate_memory_write(dev, B43_CCK_RATE_11MB, 0); |
| 2783 | break; |
| 2784 | default: |
| 2785 | B43_WARN_ON(1); |
| 2786 | } |
| 2787 | } |
| 2788 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 2789 | /* Set the default values for the PHY TX Control Words. */ |
| 2790 | static void b43_set_phytxctl_defaults(struct b43_wldev *dev) |
| 2791 | { |
| 2792 | u16 ctl = 0; |
| 2793 | |
| 2794 | ctl |= B43_TXH_PHY_ENC_CCK; |
| 2795 | ctl |= B43_TXH_PHY_ANT01AUTO; |
| 2796 | ctl |= B43_TXH_PHY_TXPWR; |
| 2797 | |
| 2798 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); |
| 2799 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, ctl); |
| 2800 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, ctl); |
| 2801 | } |
| 2802 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2803 | /* Set the TX-Antenna for management frames sent by firmware. */ |
| 2804 | static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna) |
| 2805 | { |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 2806 | u16 ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2807 | u16 tmp; |
| 2808 | |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 2809 | ant = b43_antenna_to_phyctl(antenna); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2810 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2811 | /* For ACK/CTS */ |
| 2812 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2813 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2814 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp); |
| 2815 | /* For Probe Resposes */ |
| 2816 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL); |
Michael Buesch | eb189d8b | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2817 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2818 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp); |
| 2819 | } |
| 2820 | |
| 2821 | /* This is the opposite of b43_chip_init() */ |
| 2822 | static void b43_chip_exit(struct b43_wldev *dev) |
| 2823 | { |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 2824 | b43_phy_exit(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2825 | b43_gpio_cleanup(dev); |
| 2826 | /* firmware is released later */ |
| 2827 | } |
| 2828 | |
| 2829 | /* Initialize the chip |
| 2830 | * http://bcm-specs.sipsolutions.net/ChipInit |
| 2831 | */ |
| 2832 | static int b43_chip_init(struct b43_wldev *dev) |
| 2833 | { |
| 2834 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2835 | int err; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2836 | u32 value32, macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2837 | u16 value16; |
| 2838 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2839 | /* Initialize the MAC control */ |
| 2840 | macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED; |
| 2841 | if (dev->phy.gmode) |
| 2842 | macctl |= B43_MACCTL_GMODE; |
| 2843 | macctl |= B43_MACCTL_INFRA; |
| 2844 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2845 | |
| 2846 | err = b43_request_firmware(dev); |
| 2847 | if (err) |
| 2848 | goto out; |
| 2849 | err = b43_upload_microcode(dev); |
| 2850 | if (err) |
| 2851 | goto out; /* firmware is released later */ |
| 2852 | |
| 2853 | err = b43_gpio_init(dev); |
| 2854 | if (err) |
| 2855 | goto out; /* firmware is released later */ |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2856 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2857 | err = b43_upload_initvals(dev); |
| 2858 | if (err) |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 2859 | goto err_gpio_clean; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2860 | |
Michael Buesch | 0b7dcd9 | 2008-09-03 12:31:54 +0200 | [diff] [blame] | 2861 | /* Turn the Analog on and initialize the PHY. */ |
| 2862 | phy->ops->switch_analog(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2863 | err = b43_phy_init(dev); |
| 2864 | if (err) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2865 | goto err_gpio_clean; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2866 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2867 | /* Disable Interference Mitigation. */ |
| 2868 | if (phy->ops->interf_mitigation) |
| 2869 | phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2870 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2871 | /* Select the antennae */ |
| 2872 | if (phy->ops->set_rx_antenna) |
| 2873 | phy->ops->set_rx_antenna(dev, B43_ANTENNA_DEFAULT); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2874 | b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT); |
| 2875 | |
| 2876 | if (phy->type == B43_PHYTYPE_B) { |
| 2877 | value16 = b43_read16(dev, 0x005E); |
| 2878 | value16 |= 0x0004; |
| 2879 | b43_write16(dev, 0x005E, value16); |
| 2880 | } |
| 2881 | b43_write32(dev, 0x0100, 0x01000000); |
| 2882 | if (dev->dev->id.revision < 5) |
| 2883 | b43_write32(dev, 0x010C, 0x01000000); |
| 2884 | |
| 2885 | b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) |
| 2886 | & ~B43_MACCTL_INFRA); |
| 2887 | b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) |
| 2888 | | B43_MACCTL_INFRA); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2889 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2890 | /* Probe Response Timeout value */ |
| 2891 | /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ |
| 2892 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0074, 0x0000); |
| 2893 | |
| 2894 | /* Initially set the wireless operation mode. */ |
| 2895 | b43_adjust_opmode(dev); |
| 2896 | |
| 2897 | if (dev->dev->id.revision < 3) { |
| 2898 | b43_write16(dev, 0x060E, 0x0000); |
| 2899 | b43_write16(dev, 0x0610, 0x8000); |
| 2900 | b43_write16(dev, 0x0604, 0x0000); |
| 2901 | b43_write16(dev, 0x0606, 0x0200); |
| 2902 | } else { |
| 2903 | b43_write32(dev, 0x0188, 0x80000000); |
| 2904 | b43_write32(dev, 0x018C, 0x02000000); |
| 2905 | } |
| 2906 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000); |
| 2907 | b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00); |
| 2908 | b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00); |
| 2909 | b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00); |
| 2910 | b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00); |
| 2911 | b43_write32(dev, B43_MMIO_DMA4_IRQ_MASK, 0x0000DC00); |
| 2912 | b43_write32(dev, B43_MMIO_DMA5_IRQ_MASK, 0x0000DC00); |
| 2913 | |
| 2914 | value32 = ssb_read32(dev->dev, SSB_TMSLOW); |
| 2915 | value32 |= 0x00100000; |
| 2916 | ssb_write32(dev->dev, SSB_TMSLOW, value32); |
| 2917 | |
| 2918 | b43_write16(dev, B43_MMIO_POWERUP_DELAY, |
| 2919 | dev->dev->bus->chipco.fast_pwrup_delay); |
| 2920 | |
| 2921 | err = 0; |
| 2922 | b43dbg(dev->wl, "Chip initialized\n"); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2923 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2924 | return err; |
| 2925 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 2926 | err_gpio_clean: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2927 | b43_gpio_cleanup(dev); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2928 | return err; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2929 | } |
| 2930 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2931 | static void b43_periodic_every60sec(struct b43_wldev *dev) |
| 2932 | { |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2933 | const struct b43_phy_operations *ops = dev->phy.ops; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2934 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2935 | if (ops->pwork_60sec) |
| 2936 | ops->pwork_60sec(dev); |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 2937 | |
| 2938 | /* Force check the TX power emission now. */ |
| 2939 | b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2940 | } |
| 2941 | |
| 2942 | static void b43_periodic_every30sec(struct b43_wldev *dev) |
| 2943 | { |
| 2944 | /* Update device statistics. */ |
| 2945 | b43_calculate_link_quality(dev); |
| 2946 | } |
| 2947 | |
| 2948 | static void b43_periodic_every15sec(struct b43_wldev *dev) |
| 2949 | { |
| 2950 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | 9b839a7 | 2008-06-20 17:44:02 +0200 | [diff] [blame] | 2951 | u16 wdr; |
| 2952 | |
| 2953 | if (dev->fw.opensource) { |
| 2954 | /* Check if the firmware is still alive. |
| 2955 | * It will reset the watchdog counter to 0 in its idle loop. */ |
| 2956 | wdr = b43_shm_read16(dev, B43_SHM_SCRATCH, B43_WATCHDOG_REG); |
| 2957 | if (unlikely(wdr)) { |
| 2958 | b43err(dev->wl, "Firmware watchdog: The firmware died!\n"); |
| 2959 | b43_controller_restart(dev, "Firmware watchdog"); |
| 2960 | return; |
| 2961 | } else { |
| 2962 | b43_shm_write16(dev, B43_SHM_SCRATCH, |
| 2963 | B43_WATCHDOG_REG, 1); |
| 2964 | } |
| 2965 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2966 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 2967 | if (phy->ops->pwork_15sec) |
| 2968 | phy->ops->pwork_15sec(dev); |
| 2969 | |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 2970 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
| 2971 | wmb(); |
Michael Buesch | 990b86f | 2009-09-12 00:48:03 +0200 | [diff] [blame] | 2972 | |
| 2973 | #if B43_DEBUG |
| 2974 | if (b43_debug(dev, B43_DBG_VERBOSESTATS)) { |
| 2975 | unsigned int i; |
| 2976 | |
| 2977 | b43dbg(dev->wl, "Stats: %7u IRQs/sec, %7u TX/sec, %7u RX/sec\n", |
| 2978 | dev->irq_count / 15, |
| 2979 | dev->tx_count / 15, |
| 2980 | dev->rx_count / 15); |
| 2981 | dev->irq_count = 0; |
| 2982 | dev->tx_count = 0; |
| 2983 | dev->rx_count = 0; |
| 2984 | for (i = 0; i < ARRAY_SIZE(dev->irq_bit_count); i++) { |
| 2985 | if (dev->irq_bit_count[i]) { |
| 2986 | b43dbg(dev->wl, "Stats: %7u IRQ-%02u/sec (0x%08X)\n", |
| 2987 | dev->irq_bit_count[i] / 15, i, (1 << i)); |
| 2988 | dev->irq_bit_count[i] = 0; |
| 2989 | } |
| 2990 | } |
| 2991 | } |
| 2992 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2993 | } |
| 2994 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2995 | static void do_periodic_work(struct b43_wldev *dev) |
| 2996 | { |
| 2997 | unsigned int state; |
| 2998 | |
| 2999 | state = dev->periodic_state; |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3000 | if (state % 4 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3001 | b43_periodic_every60sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3002 | if (state % 2 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3003 | b43_periodic_every30sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3004 | b43_periodic_every15sec(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3005 | } |
| 3006 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3007 | /* Periodic work locking policy: |
| 3008 | * The whole periodic work handler is protected by |
| 3009 | * wl->mutex. If another lock is needed somewhere in the |
Uwe Kleine-König | 21ae295 | 2009-10-07 15:21:09 +0200 | [diff] [blame] | 3010 | * pwork callchain, it's acquired in-place, where it's needed. |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3011 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3012 | static void b43_periodic_work_handler(struct work_struct *work) |
| 3013 | { |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3014 | struct b43_wldev *dev = container_of(work, struct b43_wldev, |
| 3015 | periodic_work.work); |
| 3016 | struct b43_wl *wl = dev->wl; |
| 3017 | unsigned long delay; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3018 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3019 | mutex_lock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3020 | |
| 3021 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) |
| 3022 | goto out; |
| 3023 | if (b43_debug(dev, B43_DBG_PWORK_STOP)) |
| 3024 | goto out_requeue; |
| 3025 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3026 | do_periodic_work(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3027 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3028 | dev->periodic_state++; |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3029 | out_requeue: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3030 | if (b43_debug(dev, B43_DBG_PWORK_FAST)) |
| 3031 | delay = msecs_to_jiffies(50); |
| 3032 | else |
Anton Blanchard | 82cd682 | 2007-10-15 00:42:23 -0500 | [diff] [blame] | 3033 | delay = round_jiffies_relative(HZ * 15); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 3034 | ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 3035 | out: |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 3036 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3037 | } |
| 3038 | |
| 3039 | static void b43_periodic_tasks_setup(struct b43_wldev *dev) |
| 3040 | { |
| 3041 | struct delayed_work *work = &dev->periodic_work; |
| 3042 | |
| 3043 | dev->periodic_state = 0; |
| 3044 | INIT_DELAYED_WORK(work, b43_periodic_work_handler); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 3045 | ieee80211_queue_delayed_work(dev->wl->hw, work, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3046 | } |
| 3047 | |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3048 | /* Check if communication with the device works correctly. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3049 | static int b43_validate_chipaccess(struct b43_wldev *dev) |
| 3050 | { |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 3051 | u32 v, backup0, backup4; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3052 | |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 3053 | backup0 = b43_shm_read32(dev, B43_SHM_SHARED, 0); |
| 3054 | backup4 = b43_shm_read32(dev, B43_SHM_SHARED, 4); |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3055 | |
| 3056 | /* Check for read/write and endianness problems. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3057 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55); |
| 3058 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55) |
| 3059 | goto error; |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3060 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA); |
| 3061 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3062 | goto error; |
| 3063 | |
Michael Buesch | f62ae6c | 2009-07-31 20:51:41 +0200 | [diff] [blame] | 3064 | /* Check if unaligned 32bit SHM_SHARED access works properly. |
| 3065 | * However, don't bail out on failure, because it's noncritical. */ |
| 3066 | b43_shm_write16(dev, B43_SHM_SHARED, 0, 0x1122); |
| 3067 | b43_shm_write16(dev, B43_SHM_SHARED, 2, 0x3344); |
| 3068 | b43_shm_write16(dev, B43_SHM_SHARED, 4, 0x5566); |
| 3069 | b43_shm_write16(dev, B43_SHM_SHARED, 6, 0x7788); |
| 3070 | if (b43_shm_read32(dev, B43_SHM_SHARED, 2) != 0x55663344) |
| 3071 | b43warn(dev->wl, "Unaligned 32bit SHM read access is broken\n"); |
| 3072 | b43_shm_write32(dev, B43_SHM_SHARED, 2, 0xAABBCCDD); |
| 3073 | if (b43_shm_read16(dev, B43_SHM_SHARED, 0) != 0x1122 || |
| 3074 | b43_shm_read16(dev, B43_SHM_SHARED, 2) != 0xCCDD || |
| 3075 | b43_shm_read16(dev, B43_SHM_SHARED, 4) != 0xAABB || |
| 3076 | b43_shm_read16(dev, B43_SHM_SHARED, 6) != 0x7788) |
| 3077 | b43warn(dev->wl, "Unaligned 32bit SHM write access is broken\n"); |
| 3078 | |
| 3079 | b43_shm_write32(dev, B43_SHM_SHARED, 0, backup0); |
| 3080 | b43_shm_write32(dev, B43_SHM_SHARED, 4, backup4); |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3081 | |
| 3082 | if ((dev->dev->id.revision >= 3) && (dev->dev->id.revision <= 10)) { |
| 3083 | /* The 32bit register shadows the two 16bit registers |
| 3084 | * with update sideeffects. Validate this. */ |
| 3085 | b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA); |
| 3086 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB); |
| 3087 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB) |
| 3088 | goto error; |
| 3089 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC) |
| 3090 | goto error; |
| 3091 | } |
| 3092 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0); |
| 3093 | |
| 3094 | v = b43_read32(dev, B43_MMIO_MACCTL); |
| 3095 | v |= B43_MACCTL_GMODE; |
| 3096 | if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3097 | goto error; |
| 3098 | |
| 3099 | return 0; |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 3100 | error: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3101 | b43err(dev->wl, "Failed to validate the chipaccess\n"); |
| 3102 | return -ENODEV; |
| 3103 | } |
| 3104 | |
| 3105 | static void b43_security_init(struct b43_wldev *dev) |
| 3106 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3107 | dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP); |
| 3108 | /* KTP is a word address, but we address SHM bytewise. |
| 3109 | * So multiply by two. |
| 3110 | */ |
| 3111 | dev->ktp *= 2; |
Michael Buesch | 66d2d08 | 2009-08-06 10:36:50 +0200 | [diff] [blame] | 3112 | /* Number of RCMTA address slots */ |
| 3113 | b43_write16(dev, B43_MMIO_RCMTA_COUNT, B43_NR_PAIRWISE_KEYS); |
| 3114 | /* Clear the key memory. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3115 | b43_clear_keys(dev); |
| 3116 | } |
| 3117 | |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3118 | #ifdef CONFIG_B43_HWRNG |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 3119 | static int b43_rng_read(struct hwrng *rng, u32 *data) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3120 | { |
| 3121 | struct b43_wl *wl = (struct b43_wl *)rng->priv; |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3122 | struct b43_wldev *dev; |
| 3123 | int count = -ENODEV; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3124 | |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3125 | mutex_lock(&wl->mutex); |
| 3126 | dev = wl->current_dev; |
| 3127 | if (likely(dev && b43_status(dev) >= B43_STAT_INITIALIZED)) { |
| 3128 | *data = b43_read16(dev, B43_MMIO_RNG); |
| 3129 | count = sizeof(u16); |
| 3130 | } |
| 3131 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3132 | |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3133 | return count; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3134 | } |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3135 | #endif /* CONFIG_B43_HWRNG */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3136 | |
Rafael J. Wysocki | b844eba | 2008-03-23 20:28:24 +0100 | [diff] [blame] | 3137 | static void b43_rng_exit(struct b43_wl *wl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3138 | { |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3139 | #ifdef CONFIG_B43_HWRNG |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3140 | if (wl->rng_initialized) |
Rafael J. Wysocki | b844eba | 2008-03-23 20:28:24 +0100 | [diff] [blame] | 3141 | hwrng_unregister(&wl->rng); |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3142 | #endif /* CONFIG_B43_HWRNG */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3143 | } |
| 3144 | |
| 3145 | static int b43_rng_init(struct b43_wl *wl) |
| 3146 | { |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3147 | int err = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3148 | |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3149 | #ifdef CONFIG_B43_HWRNG |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3150 | snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name), |
| 3151 | "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy)); |
| 3152 | wl->rng.name = wl->rng_name; |
| 3153 | wl->rng.data_read = b43_rng_read; |
| 3154 | wl->rng.priv = (unsigned long)wl; |
| 3155 | wl->rng_initialized = 1; |
| 3156 | err = hwrng_register(&wl->rng); |
| 3157 | if (err) { |
| 3158 | wl->rng_initialized = 0; |
| 3159 | b43err(wl, "Failed to register the random " |
| 3160 | "number generator (%d)\n", err); |
| 3161 | } |
Michael Buesch | 616de35 | 2009-03-29 13:19:31 +0200 | [diff] [blame] | 3162 | #endif /* CONFIG_B43_HWRNG */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3163 | |
| 3164 | return err; |
| 3165 | } |
| 3166 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3167 | static void b43_tx_work(struct work_struct *work) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3168 | { |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3169 | struct b43_wl *wl = container_of(work, struct b43_wl, tx_work); |
| 3170 | struct b43_wldev *dev; |
| 3171 | struct sk_buff *skb; |
| 3172 | int err = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3173 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3174 | mutex_lock(&wl->mutex); |
| 3175 | dev = wl->current_dev; |
| 3176 | if (unlikely(!dev || b43_status(dev) < B43_STAT_STARTED)) { |
| 3177 | mutex_unlock(&wl->mutex); |
| 3178 | return; |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 3179 | } |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3180 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3181 | while (skb_queue_len(&wl->tx_queue)) { |
| 3182 | skb = skb_dequeue(&wl->tx_queue); |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3183 | |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3184 | if (b43_using_pio_transfers(dev)) |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 3185 | err = b43_pio_tx(dev, skb); |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3186 | else |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 3187 | err = b43_dma_tx(dev, skb); |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3188 | if (unlikely(err)) |
| 3189 | dev_kfree_skb(skb); /* Drop it */ |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3190 | } |
| 3191 | |
Michael Buesch | 990b86f | 2009-09-12 00:48:03 +0200 | [diff] [blame] | 3192 | #if B43_DEBUG |
| 3193 | dev->tx_count++; |
| 3194 | #endif |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3195 | mutex_unlock(&wl->mutex); |
| 3196 | } |
Michael Buesch | 21a75d7 | 2008-04-25 19:29:08 +0200 | [diff] [blame] | 3197 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3198 | static int b43_op_tx(struct ieee80211_hw *hw, |
| 3199 | struct sk_buff *skb) |
| 3200 | { |
| 3201 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | c9e8eae | 2008-06-15 15:17:29 +0200 | [diff] [blame] | 3202 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3203 | if (unlikely(skb->len < 2 + 2 + 6)) { |
| 3204 | /* Too short, this can't be a valid frame. */ |
| 3205 | dev_kfree_skb_any(skb); |
| 3206 | return NETDEV_TX_OK; |
| 3207 | } |
| 3208 | B43_WARN_ON(skb_shinfo(skb)->nr_frags); |
| 3209 | |
| 3210 | skb_queue_tail(&wl->tx_queue, skb); |
| 3211 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
| 3212 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3213 | return NETDEV_TX_OK; |
| 3214 | } |
| 3215 | |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3216 | static void b43_qos_params_upload(struct b43_wldev *dev, |
| 3217 | const struct ieee80211_tx_queue_params *p, |
| 3218 | u16 shm_offset) |
| 3219 | { |
| 3220 | u16 params[B43_NR_QOSPARAMS]; |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3221 | int bslots, tmp; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3222 | unsigned int i; |
| 3223 | |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3224 | if (!dev->qos_enabled) |
| 3225 | return; |
| 3226 | |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3227 | bslots = b43_read16(dev, B43_MMIO_RNG) & p->cw_min; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3228 | |
| 3229 | memset(¶ms, 0, sizeof(params)); |
| 3230 | |
| 3231 | params[B43_QOSPARAM_TXOP] = p->txop * 32; |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3232 | params[B43_QOSPARAM_CWMIN] = p->cw_min; |
| 3233 | params[B43_QOSPARAM_CWMAX] = p->cw_max; |
| 3234 | params[B43_QOSPARAM_CWCUR] = p->cw_min; |
| 3235 | params[B43_QOSPARAM_AIFS] = p->aifs; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3236 | params[B43_QOSPARAM_BSLOTS] = bslots; |
Johannes Berg | 0b57664 | 2008-07-15 02:08:24 -0700 | [diff] [blame] | 3237 | params[B43_QOSPARAM_REGGAP] = bslots + p->aifs; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3238 | |
| 3239 | for (i = 0; i < ARRAY_SIZE(params); i++) { |
| 3240 | if (i == B43_QOSPARAM_STATUS) { |
| 3241 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, |
| 3242 | shm_offset + (i * 2)); |
| 3243 | /* Mark the parameters as updated. */ |
| 3244 | tmp |= 0x100; |
| 3245 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 3246 | shm_offset + (i * 2), |
| 3247 | tmp); |
| 3248 | } else { |
| 3249 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 3250 | shm_offset + (i * 2), |
| 3251 | params[i]); |
| 3252 | } |
| 3253 | } |
| 3254 | } |
| 3255 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3256 | /* Mapping of mac80211 queue numbers to b43 QoS SHM offsets. */ |
| 3257 | static const u16 b43_qos_shm_offsets[] = { |
| 3258 | /* [mac80211-queue-nr] = SHM_OFFSET, */ |
| 3259 | [0] = B43_QOS_VOICE, |
| 3260 | [1] = B43_QOS_VIDEO, |
| 3261 | [2] = B43_QOS_BESTEFFORT, |
| 3262 | [3] = B43_QOS_BACKGROUND, |
| 3263 | }; |
| 3264 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3265 | /* Update all QOS parameters in hardware. */ |
| 3266 | static void b43_qos_upload_all(struct b43_wldev *dev) |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3267 | { |
| 3268 | struct b43_wl *wl = dev->wl; |
| 3269 | struct b43_qos_params *params; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3270 | unsigned int i; |
| 3271 | |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3272 | if (!dev->qos_enabled) |
| 3273 | return; |
| 3274 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3275 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
| 3276 | ARRAY_SIZE(wl->qos_params)); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3277 | |
| 3278 | b43_mac_suspend(dev); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3279 | for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { |
| 3280 | params = &(wl->qos_params[i]); |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3281 | b43_qos_params_upload(dev, &(params->p), |
| 3282 | b43_qos_shm_offsets[i]); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3283 | } |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3284 | b43_mac_enable(dev); |
| 3285 | } |
| 3286 | |
| 3287 | static void b43_qos_clear(struct b43_wl *wl) |
| 3288 | { |
| 3289 | struct b43_qos_params *params; |
| 3290 | unsigned int i; |
| 3291 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3292 | /* Initialize QoS parameters to sane defaults. */ |
| 3293 | |
| 3294 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
| 3295 | ARRAY_SIZE(wl->qos_params)); |
| 3296 | |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3297 | for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { |
| 3298 | params = &(wl->qos_params[i]); |
| 3299 | |
Michael Buesch | c40c112 | 2008-09-06 16:21:47 +0200 | [diff] [blame] | 3300 | switch (b43_qos_shm_offsets[i]) { |
| 3301 | case B43_QOS_VOICE: |
| 3302 | params->p.txop = 0; |
| 3303 | params->p.aifs = 2; |
| 3304 | params->p.cw_min = 0x0001; |
| 3305 | params->p.cw_max = 0x0001; |
| 3306 | break; |
| 3307 | case B43_QOS_VIDEO: |
| 3308 | params->p.txop = 0; |
| 3309 | params->p.aifs = 2; |
| 3310 | params->p.cw_min = 0x0001; |
| 3311 | params->p.cw_max = 0x0001; |
| 3312 | break; |
| 3313 | case B43_QOS_BESTEFFORT: |
| 3314 | params->p.txop = 0; |
| 3315 | params->p.aifs = 3; |
| 3316 | params->p.cw_min = 0x0001; |
| 3317 | params->p.cw_max = 0x03FF; |
| 3318 | break; |
| 3319 | case B43_QOS_BACKGROUND: |
| 3320 | params->p.txop = 0; |
| 3321 | params->p.aifs = 7; |
| 3322 | params->p.cw_min = 0x0001; |
| 3323 | params->p.cw_max = 0x03FF; |
| 3324 | break; |
| 3325 | default: |
| 3326 | B43_WARN_ON(1); |
| 3327 | } |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3328 | } |
| 3329 | } |
| 3330 | |
| 3331 | /* Initialize the core's QOS capabilities */ |
| 3332 | static void b43_qos_init(struct b43_wldev *dev) |
| 3333 | { |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3334 | if (!dev->qos_enabled) { |
| 3335 | /* Disable QOS support. */ |
| 3336 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_EDCF); |
| 3337 | b43_write16(dev, B43_MMIO_IFSCTL, |
| 3338 | b43_read16(dev, B43_MMIO_IFSCTL) |
| 3339 | & ~B43_MMIO_IFSCTL_USE_EDCF); |
| 3340 | b43dbg(dev->wl, "QoS disabled\n"); |
| 3341 | return; |
| 3342 | } |
| 3343 | |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3344 | /* Upload the current QOS parameters. */ |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3345 | b43_qos_upload_all(dev); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3346 | |
| 3347 | /* Enable QOS support. */ |
| 3348 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF); |
| 3349 | b43_write16(dev, B43_MMIO_IFSCTL, |
| 3350 | b43_read16(dev, B43_MMIO_IFSCTL) |
| 3351 | | B43_MMIO_IFSCTL_USE_EDCF); |
Michael Buesch | b0544eb | 2009-09-06 15:42:45 +0200 | [diff] [blame] | 3352 | b43dbg(dev->wl, "QoS enabled\n"); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3353 | } |
| 3354 | |
Johannes Berg | e100bb6 | 2008-04-30 18:51:21 +0200 | [diff] [blame] | 3355 | static int b43_op_conf_tx(struct ieee80211_hw *hw, u16 _queue, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3356 | const struct ieee80211_tx_queue_params *params) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3357 | { |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3358 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3359 | struct b43_wldev *dev; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3360 | unsigned int queue = (unsigned int)_queue; |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3361 | int err = -ENODEV; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3362 | |
| 3363 | if (queue >= ARRAY_SIZE(wl->qos_params)) { |
| 3364 | /* Queue not available or don't support setting |
| 3365 | * params on this queue. Return success to not |
| 3366 | * confuse mac80211. */ |
| 3367 | return 0; |
| 3368 | } |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3369 | BUILD_BUG_ON(ARRAY_SIZE(b43_qos_shm_offsets) != |
| 3370 | ARRAY_SIZE(wl->qos_params)); |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3371 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3372 | mutex_lock(&wl->mutex); |
| 3373 | dev = wl->current_dev; |
| 3374 | if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) |
| 3375 | goto out_unlock; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3376 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3377 | memcpy(&(wl->qos_params[queue].p), params, sizeof(*params)); |
| 3378 | b43_mac_suspend(dev); |
| 3379 | b43_qos_params_upload(dev, &(wl->qos_params[queue].p), |
| 3380 | b43_qos_shm_offsets[queue]); |
| 3381 | b43_mac_enable(dev); |
| 3382 | err = 0; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 3383 | |
Michael Buesch | 5a5f3b4 | 2008-09-06 20:07:31 +0200 | [diff] [blame] | 3384 | out_unlock: |
| 3385 | mutex_unlock(&wl->mutex); |
| 3386 | |
| 3387 | return err; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3388 | } |
| 3389 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3390 | static int b43_op_get_stats(struct ieee80211_hw *hw, |
| 3391 | struct ieee80211_low_level_stats *stats) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3392 | { |
| 3393 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3394 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3395 | mutex_lock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3396 | memcpy(stats, &wl->ieee_stats, sizeof(*stats)); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3397 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3398 | |
| 3399 | return 0; |
| 3400 | } |
| 3401 | |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3402 | static u64 b43_op_get_tsf(struct ieee80211_hw *hw) |
| 3403 | { |
| 3404 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3405 | struct b43_wldev *dev; |
| 3406 | u64 tsf; |
| 3407 | |
| 3408 | mutex_lock(&wl->mutex); |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3409 | dev = wl->current_dev; |
| 3410 | |
| 3411 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) |
| 3412 | b43_tsf_read(dev, &tsf); |
| 3413 | else |
| 3414 | tsf = 0; |
| 3415 | |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3416 | mutex_unlock(&wl->mutex); |
| 3417 | |
| 3418 | return tsf; |
| 3419 | } |
| 3420 | |
| 3421 | static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf) |
| 3422 | { |
| 3423 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3424 | struct b43_wldev *dev; |
| 3425 | |
| 3426 | mutex_lock(&wl->mutex); |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3427 | dev = wl->current_dev; |
| 3428 | |
| 3429 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) |
| 3430 | b43_tsf_write(dev, tsf); |
| 3431 | |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 3432 | mutex_unlock(&wl->mutex); |
| 3433 | } |
| 3434 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3435 | static void b43_put_phy_into_reset(struct b43_wldev *dev) |
| 3436 | { |
| 3437 | struct ssb_device *sdev = dev->dev; |
| 3438 | u32 tmslow; |
| 3439 | |
| 3440 | tmslow = ssb_read32(sdev, SSB_TMSLOW); |
| 3441 | tmslow &= ~B43_TMSLOW_GMODE; |
| 3442 | tmslow |= B43_TMSLOW_PHYRESET; |
| 3443 | tmslow |= SSB_TMSLOW_FGC; |
| 3444 | ssb_write32(sdev, SSB_TMSLOW, tmslow); |
| 3445 | msleep(1); |
| 3446 | |
| 3447 | tmslow = ssb_read32(sdev, SSB_TMSLOW); |
| 3448 | tmslow &= ~SSB_TMSLOW_FGC; |
| 3449 | tmslow |= B43_TMSLOW_PHYRESET; |
| 3450 | ssb_write32(sdev, SSB_TMSLOW, tmslow); |
| 3451 | msleep(1); |
| 3452 | } |
| 3453 | |
John Daiker | 99da185 | 2009-02-24 02:16:42 -0800 | [diff] [blame] | 3454 | static const char *band_to_string(enum ieee80211_band band) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3455 | { |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3456 | switch (band) { |
| 3457 | case IEEE80211_BAND_5GHZ: |
| 3458 | return "5"; |
| 3459 | case IEEE80211_BAND_2GHZ: |
| 3460 | return "2.4"; |
| 3461 | default: |
| 3462 | break; |
| 3463 | } |
| 3464 | B43_WARN_ON(1); |
| 3465 | return ""; |
| 3466 | } |
| 3467 | |
| 3468 | /* Expects wl->mutex locked */ |
| 3469 | static int b43_switch_band(struct b43_wl *wl, struct ieee80211_channel *chan) |
| 3470 | { |
| 3471 | struct b43_wldev *up_dev = NULL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3472 | struct b43_wldev *down_dev; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3473 | struct b43_wldev *d; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3474 | int err; |
John W. Linville | 922d8a0 | 2009-01-12 14:40:20 -0500 | [diff] [blame] | 3475 | bool uninitialized_var(gmode); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3476 | int prev_status; |
| 3477 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3478 | /* Find a device and PHY which supports the band. */ |
| 3479 | list_for_each_entry(d, &wl->devlist, list) { |
| 3480 | switch (chan->band) { |
| 3481 | case IEEE80211_BAND_5GHZ: |
| 3482 | if (d->phy.supports_5ghz) { |
| 3483 | up_dev = d; |
| 3484 | gmode = 0; |
| 3485 | } |
| 3486 | break; |
| 3487 | case IEEE80211_BAND_2GHZ: |
| 3488 | if (d->phy.supports_2ghz) { |
| 3489 | up_dev = d; |
| 3490 | gmode = 1; |
| 3491 | } |
| 3492 | break; |
| 3493 | default: |
| 3494 | B43_WARN_ON(1); |
| 3495 | return -EINVAL; |
| 3496 | } |
| 3497 | if (up_dev) |
| 3498 | break; |
| 3499 | } |
| 3500 | if (!up_dev) { |
| 3501 | b43err(wl, "Could not find a device for %s-GHz band operation\n", |
| 3502 | band_to_string(chan->band)); |
| 3503 | return -ENODEV; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3504 | } |
| 3505 | if ((up_dev == wl->current_dev) && |
| 3506 | (!!wl->current_dev->phy.gmode == !!gmode)) { |
| 3507 | /* This device is already running. */ |
| 3508 | return 0; |
| 3509 | } |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3510 | b43dbg(wl, "Switching to %s-GHz band\n", |
| 3511 | band_to_string(chan->band)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3512 | down_dev = wl->current_dev; |
| 3513 | |
| 3514 | prev_status = b43_status(down_dev); |
| 3515 | /* Shutdown the currently running core. */ |
| 3516 | if (prev_status >= B43_STAT_STARTED) |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3517 | down_dev = b43_wireless_core_stop(down_dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3518 | if (prev_status >= B43_STAT_INITIALIZED) |
| 3519 | b43_wireless_core_exit(down_dev); |
| 3520 | |
| 3521 | if (down_dev != up_dev) { |
| 3522 | /* We switch to a different core, so we put PHY into |
| 3523 | * RESET on the old core. */ |
| 3524 | b43_put_phy_into_reset(down_dev); |
| 3525 | } |
| 3526 | |
| 3527 | /* Now start the new core. */ |
| 3528 | up_dev->phy.gmode = gmode; |
| 3529 | if (prev_status >= B43_STAT_INITIALIZED) { |
| 3530 | err = b43_wireless_core_init(up_dev); |
| 3531 | if (err) { |
| 3532 | b43err(wl, "Fatal: Could not initialize device for " |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3533 | "selected %s-GHz band\n", |
| 3534 | band_to_string(chan->band)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3535 | goto init_failure; |
| 3536 | } |
| 3537 | } |
| 3538 | if (prev_status >= B43_STAT_STARTED) { |
| 3539 | err = b43_wireless_core_start(up_dev); |
| 3540 | if (err) { |
| 3541 | b43err(wl, "Fatal: Coult not start device for " |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3542 | "selected %s-GHz band\n", |
| 3543 | band_to_string(chan->band)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3544 | b43_wireless_core_exit(up_dev); |
| 3545 | goto init_failure; |
| 3546 | } |
| 3547 | } |
| 3548 | B43_WARN_ON(b43_status(up_dev) != prev_status); |
| 3549 | |
| 3550 | wl->current_dev = up_dev; |
| 3551 | |
| 3552 | return 0; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3553 | init_failure: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3554 | /* Whoops, failed to init the new core. No core is operating now. */ |
| 3555 | wl->current_dev = NULL; |
| 3556 | return err; |
| 3557 | } |
| 3558 | |
Johannes Berg | 9124b07 | 2008-10-14 19:17:54 +0200 | [diff] [blame] | 3559 | /* Write the short and long frame retry limit values. */ |
| 3560 | static void b43_set_retry_limits(struct b43_wldev *dev, |
| 3561 | unsigned int short_retry, |
| 3562 | unsigned int long_retry) |
| 3563 | { |
| 3564 | /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing |
| 3565 | * the chip-internal counter. */ |
| 3566 | short_retry = min(short_retry, (unsigned int)0xF); |
| 3567 | long_retry = min(long_retry, (unsigned int)0xF); |
| 3568 | |
| 3569 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, |
| 3570 | short_retry); |
| 3571 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, |
| 3572 | long_retry); |
| 3573 | } |
| 3574 | |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 3575 | static int b43_op_config(struct ieee80211_hw *hw, u32 changed) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3576 | { |
| 3577 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3578 | struct b43_wldev *dev; |
| 3579 | struct b43_phy *phy; |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 3580 | struct ieee80211_conf *conf = &hw->conf; |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 3581 | int antenna; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3582 | int err = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3583 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3584 | mutex_lock(&wl->mutex); |
| 3585 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 3586 | /* Switch the band (if necessary). This might change the active core. */ |
| 3587 | err = b43_switch_band(wl, conf->channel); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3588 | if (err) |
| 3589 | goto out_unlock_mutex; |
| 3590 | dev = wl->current_dev; |
| 3591 | phy = &dev->phy; |
| 3592 | |
Rafał Miłecki | aa4c7b2 | 2010-01-22 01:53:12 +0100 | [diff] [blame] | 3593 | if (conf_is_ht(conf)) |
| 3594 | phy->is_40mhz = |
| 3595 | (conf_is_ht40_minus(conf) || conf_is_ht40_plus(conf)); |
| 3596 | else |
| 3597 | phy->is_40mhz = false; |
| 3598 | |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3599 | b43_mac_suspend(dev); |
| 3600 | |
Johannes Berg | 9124b07 | 2008-10-14 19:17:54 +0200 | [diff] [blame] | 3601 | if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) |
| 3602 | b43_set_retry_limits(dev, conf->short_frame_max_tx_count, |
| 3603 | conf->long_frame_max_tx_count); |
| 3604 | changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS; |
| 3605 | if (!changed) |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3606 | goto out_mac_enable; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3607 | |
| 3608 | /* Switch to the requested channel. |
| 3609 | * The firmware takes care of races with the TX handler. */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 3610 | if (conf->channel->hw_value != phy->channel) |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3611 | b43_switch_channel(dev, conf->channel->hw_value); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3612 | |
Johannes Berg | 0869aea | 2009-10-28 10:03:35 +0100 | [diff] [blame] | 3613 | dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR); |
Johannes Berg | d42ce84 | 2007-11-23 14:50:51 +0100 | [diff] [blame] | 3614 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3615 | /* Adjust the desired TX power level. */ |
| 3616 | if (conf->power_level != 0) { |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 3617 | if (conf->power_level != phy->desired_txpower) { |
| 3618 | phy->desired_txpower = conf->power_level; |
| 3619 | b43_phy_txpower_check(dev, B43_TXPWR_IGNORE_TIME | |
| 3620 | B43_TXPWR_IGNORE_TSSI); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3621 | } |
| 3622 | } |
| 3623 | |
| 3624 | /* Antennas for RX and management frame TX. */ |
Johannes Berg | 0f4ac38 | 2008-10-09 12:18:04 +0200 | [diff] [blame] | 3625 | antenna = B43_ANTENNA_DEFAULT; |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 3626 | b43_mgmtframe_txantenna(dev, antenna); |
Johannes Berg | 0f4ac38 | 2008-10-09 12:18:04 +0200 | [diff] [blame] | 3627 | antenna = B43_ANTENNA_DEFAULT; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 3628 | if (phy->ops->set_rx_antenna) |
| 3629 | phy->ops->set_rx_antenna(dev, antenna); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3630 | |
Larry Finger | fd4973c | 2009-06-20 12:58:11 -0500 | [diff] [blame] | 3631 | if (wl->radio_enabled != phy->radio_on) { |
| 3632 | if (wl->radio_enabled) { |
Johannes Berg | 19d337d | 2009-06-02 13:01:37 +0200 | [diff] [blame] | 3633 | b43_software_rfkill(dev, false); |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 3634 | b43info(dev->wl, "Radio turned on by software\n"); |
| 3635 | if (!dev->radio_hw_enable) { |
| 3636 | b43info(dev->wl, "The hardware RF-kill button " |
| 3637 | "still turns the radio physically off. " |
| 3638 | "Press the button to turn it on.\n"); |
| 3639 | } |
| 3640 | } else { |
Johannes Berg | 19d337d | 2009-06-02 13:01:37 +0200 | [diff] [blame] | 3641 | b43_software_rfkill(dev, true); |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 3642 | b43info(dev->wl, "Radio turned off by software\n"); |
| 3643 | } |
| 3644 | } |
| 3645 | |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3646 | out_mac_enable: |
| 3647 | b43_mac_enable(dev); |
| 3648 | out_unlock_mutex: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3649 | mutex_unlock(&wl->mutex); |
| 3650 | |
| 3651 | return err; |
| 3652 | } |
| 3653 | |
Johannes Berg | 881d948 | 2009-01-21 15:13:48 +0100 | [diff] [blame] | 3654 | static void b43_update_basic_rates(struct b43_wldev *dev, u32 brates) |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3655 | { |
| 3656 | struct ieee80211_supported_band *sband = |
| 3657 | dev->wl->hw->wiphy->bands[b43_current_band(dev->wl)]; |
| 3658 | struct ieee80211_rate *rate; |
| 3659 | int i; |
| 3660 | u16 basic, direct, offset, basic_offset, rateptr; |
| 3661 | |
| 3662 | for (i = 0; i < sband->n_bitrates; i++) { |
| 3663 | rate = &sband->bitrates[i]; |
| 3664 | |
| 3665 | if (b43_is_cck_rate(rate->hw_value)) { |
| 3666 | direct = B43_SHM_SH_CCKDIRECT; |
| 3667 | basic = B43_SHM_SH_CCKBASIC; |
| 3668 | offset = b43_plcp_get_ratecode_cck(rate->hw_value); |
| 3669 | offset &= 0xF; |
| 3670 | } else { |
| 3671 | direct = B43_SHM_SH_OFDMDIRECT; |
| 3672 | basic = B43_SHM_SH_OFDMBASIC; |
| 3673 | offset = b43_plcp_get_ratecode_ofdm(rate->hw_value); |
| 3674 | offset &= 0xF; |
| 3675 | } |
| 3676 | |
| 3677 | rate = ieee80211_get_response_rate(sband, brates, rate->bitrate); |
| 3678 | |
| 3679 | if (b43_is_cck_rate(rate->hw_value)) { |
| 3680 | basic_offset = b43_plcp_get_ratecode_cck(rate->hw_value); |
| 3681 | basic_offset &= 0xF; |
| 3682 | } else { |
| 3683 | basic_offset = b43_plcp_get_ratecode_ofdm(rate->hw_value); |
| 3684 | basic_offset &= 0xF; |
| 3685 | } |
| 3686 | |
| 3687 | /* |
| 3688 | * Get the pointer that we need to point to |
| 3689 | * from the direct map |
| 3690 | */ |
| 3691 | rateptr = b43_shm_read16(dev, B43_SHM_SHARED, |
| 3692 | direct + 2 * basic_offset); |
| 3693 | /* and write it to the basic map */ |
| 3694 | b43_shm_write16(dev, B43_SHM_SHARED, basic + 2 * offset, |
| 3695 | rateptr); |
| 3696 | } |
| 3697 | } |
| 3698 | |
| 3699 | static void b43_op_bss_info_changed(struct ieee80211_hw *hw, |
| 3700 | struct ieee80211_vif *vif, |
| 3701 | struct ieee80211_bss_conf *conf, |
| 3702 | u32 changed) |
| 3703 | { |
| 3704 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3705 | struct b43_wldev *dev; |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3706 | |
| 3707 | mutex_lock(&wl->mutex); |
| 3708 | |
| 3709 | dev = wl->current_dev; |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3710 | if (!dev || b43_status(dev) < B43_STAT_STARTED) |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3711 | goto out_unlock_mutex; |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 3712 | |
| 3713 | B43_WARN_ON(wl->vif != vif); |
| 3714 | |
| 3715 | if (changed & BSS_CHANGED_BSSID) { |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 3716 | if (conf->bssid) |
| 3717 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); |
| 3718 | else |
| 3719 | memset(wl->bssid, 0, ETH_ALEN); |
Johannes Berg | 2d0ddec | 2009-04-23 16:13:26 +0200 | [diff] [blame] | 3720 | } |
| 3721 | |
Johannes Berg | 3f0d843 | 2009-05-18 10:53:18 +0200 | [diff] [blame] | 3722 | if (b43_status(dev) >= B43_STAT_INITIALIZED) { |
| 3723 | if (changed & BSS_CHANGED_BEACON && |
| 3724 | (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
| 3725 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) || |
| 3726 | b43_is_mode(wl, NL80211_IFTYPE_ADHOC))) |
| 3727 | b43_update_templates(wl); |
| 3728 | |
| 3729 | if (changed & BSS_CHANGED_BSSID) |
| 3730 | b43_write_mac_bssid_templates(dev); |
| 3731 | } |
Johannes Berg | 3f0d843 | 2009-05-18 10:53:18 +0200 | [diff] [blame] | 3732 | |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3733 | b43_mac_suspend(dev); |
| 3734 | |
Johannes Berg | 57c4d7b | 2009-04-23 16:10:04 +0200 | [diff] [blame] | 3735 | /* Update templates for AP/mesh mode. */ |
| 3736 | if (changed & BSS_CHANGED_BEACON_INT && |
| 3737 | (b43_is_mode(wl, NL80211_IFTYPE_AP) || |
| 3738 | b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) || |
| 3739 | b43_is_mode(wl, NL80211_IFTYPE_ADHOC))) |
| 3740 | b43_set_beacon_int(dev, conf->beacon_int); |
| 3741 | |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3742 | if (changed & BSS_CHANGED_BASIC_RATES) |
| 3743 | b43_update_basic_rates(dev, conf->basic_rates); |
| 3744 | |
| 3745 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 3746 | if (conf->use_short_slot) |
| 3747 | b43_short_slot_timing_enable(dev); |
| 3748 | else |
| 3749 | b43_short_slot_timing_disable(dev); |
| 3750 | } |
| 3751 | |
| 3752 | b43_mac_enable(dev); |
Michael Buesch | d10d0e5 | 2008-12-18 22:13:39 +0100 | [diff] [blame] | 3753 | out_unlock_mutex: |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3754 | mutex_unlock(&wl->mutex); |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 3755 | } |
| 3756 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3757 | 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] | 3758 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 3759 | struct ieee80211_key_conf *key) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3760 | { |
| 3761 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 3762 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3763 | u8 algorithm; |
| 3764 | u8 index; |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 3765 | int err; |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 3766 | 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] | 3767 | |
| 3768 | if (modparam_nohwcrypt) |
| 3769 | return -ENOSPC; /* User disabled HW-crypto */ |
| 3770 | |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 3771 | mutex_lock(&wl->mutex); |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 3772 | |
| 3773 | dev = wl->current_dev; |
| 3774 | err = -ENODEV; |
| 3775 | if (!dev || b43_status(dev) < B43_STAT_INITIALIZED) |
| 3776 | goto out_unlock; |
| 3777 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 3778 | if (dev->fw.pcm_request_failed || !dev->hwcrypto_enabled) { |
Michael Buesch | 6821783 | 2008-05-17 23:43:57 +0200 | [diff] [blame] | 3779 | /* We don't have firmware for the crypto engine. |
| 3780 | * Must use software-crypto. */ |
| 3781 | err = -EOPNOTSUPP; |
| 3782 | goto out_unlock; |
| 3783 | } |
| 3784 | |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 3785 | err = -EINVAL; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3786 | switch (key->cipher) { |
| 3787 | case WLAN_CIPHER_SUITE_WEP40: |
| 3788 | algorithm = B43_SEC_ALGO_WEP40; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3789 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3790 | case WLAN_CIPHER_SUITE_WEP104: |
| 3791 | algorithm = B43_SEC_ALGO_WEP104; |
| 3792 | break; |
| 3793 | case WLAN_CIPHER_SUITE_TKIP: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3794 | algorithm = B43_SEC_ALGO_TKIP; |
| 3795 | break; |
Johannes Berg | 97359d1 | 2010-08-10 09:46:38 +0200 | [diff] [blame] | 3796 | case WLAN_CIPHER_SUITE_CCMP: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3797 | algorithm = B43_SEC_ALGO_AES; |
| 3798 | break; |
| 3799 | default: |
| 3800 | B43_WARN_ON(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3801 | goto out_unlock; |
| 3802 | } |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 3803 | index = (u8) (key->keyidx); |
| 3804 | if (index > 3) |
| 3805 | goto out_unlock; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3806 | |
| 3807 | switch (cmd) { |
| 3808 | case SET_KEY: |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 3809 | if (algorithm == B43_SEC_ALGO_TKIP && |
| 3810 | (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) || |
| 3811 | !modparam_hwtkip)) { |
| 3812 | /* We support only pairwise key */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3813 | err = -EOPNOTSUPP; |
| 3814 | goto out_unlock; |
| 3815 | } |
| 3816 | |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 3817 | if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) { |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 3818 | if (WARN_ON(!sta)) { |
| 3819 | err = -EOPNOTSUPP; |
| 3820 | goto out_unlock; |
| 3821 | } |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 3822 | /* Pairwise key with an assigned MAC address. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3823 | err = b43_key_write(dev, -1, algorithm, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 3824 | key->key, key->keylen, |
| 3825 | sta->addr, key); |
Michael Buesch | e808e58 | 2008-12-19 21:30:52 +0100 | [diff] [blame] | 3826 | } else { |
| 3827 | /* Group key */ |
| 3828 | err = b43_key_write(dev, index, algorithm, |
| 3829 | key->key, key->keylen, NULL, key); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3830 | } |
| 3831 | if (err) |
| 3832 | goto out_unlock; |
| 3833 | |
| 3834 | if (algorithm == B43_SEC_ALGO_WEP40 || |
| 3835 | algorithm == B43_SEC_ALGO_WEP104) { |
| 3836 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_USEDEFKEYS); |
| 3837 | } else { |
| 3838 | b43_hf_write(dev, |
| 3839 | b43_hf_read(dev) & ~B43_HF_USEDEFKEYS); |
| 3840 | } |
| 3841 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 3842 | if (algorithm == B43_SEC_ALGO_TKIP) |
| 3843 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3844 | break; |
| 3845 | case DISABLE_KEY: { |
| 3846 | err = b43_key_clear(dev, key->hw_key_idx); |
| 3847 | if (err) |
| 3848 | goto out_unlock; |
| 3849 | break; |
| 3850 | } |
| 3851 | default: |
| 3852 | B43_WARN_ON(1); |
| 3853 | } |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 3854 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3855 | out_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3856 | if (!err) { |
| 3857 | b43dbg(wl, "%s hardware based encryption for keyidx: %d, " |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 3858 | "mac: %pM\n", |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3859 | cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, |
Larry Finger | a1d88210 | 2009-01-14 11:15:25 -0600 | [diff] [blame] | 3860 | sta ? sta->addr : bcast_addr); |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 3861 | b43_dump_keymemory(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3862 | } |
Michael Buesch | 9cf7f24 | 2008-12-19 20:24:30 +0100 | [diff] [blame] | 3863 | mutex_unlock(&wl->mutex); |
| 3864 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3865 | return err; |
| 3866 | } |
| 3867 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3868 | static void b43_op_configure_filter(struct ieee80211_hw *hw, |
| 3869 | unsigned int changed, unsigned int *fflags, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 3870 | u64 multicast) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3871 | { |
| 3872 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3873 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3874 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3875 | mutex_lock(&wl->mutex); |
| 3876 | dev = wl->current_dev; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3877 | if (!dev) { |
| 3878 | *fflags = 0; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3879 | goto out_unlock; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3880 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3881 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3882 | *fflags &= FIF_PROMISC_IN_BSS | |
| 3883 | FIF_ALLMULTI | |
| 3884 | FIF_FCSFAIL | |
| 3885 | FIF_PLCPFAIL | |
| 3886 | FIF_CONTROL | |
| 3887 | FIF_OTHER_BSS | |
| 3888 | FIF_BCN_PRBRESP_PROMISC; |
| 3889 | |
| 3890 | changed &= FIF_PROMISC_IN_BSS | |
| 3891 | FIF_ALLMULTI | |
| 3892 | FIF_FCSFAIL | |
| 3893 | FIF_PLCPFAIL | |
| 3894 | FIF_CONTROL | |
| 3895 | FIF_OTHER_BSS | |
| 3896 | FIF_BCN_PRBRESP_PROMISC; |
| 3897 | |
| 3898 | wl->filter_flags = *fflags; |
| 3899 | |
| 3900 | if (changed && b43_status(dev) >= B43_STAT_INITIALIZED) |
| 3901 | b43_adjust_opmode(dev); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3902 | |
| 3903 | out_unlock: |
| 3904 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3905 | } |
| 3906 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3907 | /* Locking: wl->mutex |
| 3908 | * Returns the current dev. This might be different from the passed in dev, |
| 3909 | * because the core might be gone away while we unlocked the mutex. */ |
| 3910 | static struct b43_wldev * b43_wireless_core_stop(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3911 | { |
| 3912 | struct b43_wl *wl = dev->wl; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3913 | struct b43_wldev *orig_dev; |
Michael Buesch | 49d965c | 2009-10-03 00:57:58 +0200 | [diff] [blame] | 3914 | u32 mask; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3915 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3916 | redo: |
| 3917 | if (!dev || b43_status(dev) < B43_STAT_STARTED) |
| 3918 | return dev; |
Stefano Brivio | a19d12d | 2007-11-07 18:16:11 +0100 | [diff] [blame] | 3919 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3920 | /* Cancel work. Unlock to avoid deadlocks. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3921 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3922 | cancel_delayed_work_sync(&dev->periodic_work); |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3923 | cancel_work_sync(&wl->tx_work); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3924 | mutex_lock(&wl->mutex); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3925 | dev = wl->current_dev; |
| 3926 | if (!dev || b43_status(dev) < B43_STAT_STARTED) { |
| 3927 | /* Whoops, aliens ate up the device while we were unlocked. */ |
| 3928 | return dev; |
| 3929 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3930 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3931 | /* Disable interrupts on the device. */ |
| 3932 | b43_set_status(dev, B43_STAT_INITIALIZED); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 3933 | if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) { |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3934 | /* wl->mutex is locked. That is enough. */ |
| 3935 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
| 3936 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */ |
| 3937 | } else { |
| 3938 | spin_lock_irq(&wl->hardirq_lock); |
| 3939 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, 0); |
| 3940 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* Flush */ |
| 3941 | spin_unlock_irq(&wl->hardirq_lock); |
| 3942 | } |
Michael Buesch | 176e9f6 | 2009-09-11 23:04:04 +0200 | [diff] [blame] | 3943 | /* Synchronize and free the interrupt handlers. Unlock to avoid deadlocks. */ |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3944 | orig_dev = dev; |
| 3945 | mutex_unlock(&wl->mutex); |
Michael Buesch | 176e9f6 | 2009-09-11 23:04:04 +0200 | [diff] [blame] | 3946 | if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) { |
| 3947 | b43_sdio_free_irq(dev); |
| 3948 | } else { |
| 3949 | synchronize_irq(dev->dev->irq); |
| 3950 | free_irq(dev->dev->irq, dev); |
| 3951 | } |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3952 | mutex_lock(&wl->mutex); |
| 3953 | dev = wl->current_dev; |
| 3954 | if (!dev) |
| 3955 | return dev; |
| 3956 | if (dev != orig_dev) { |
| 3957 | if (b43_status(dev) >= B43_STAT_STARTED) |
| 3958 | goto redo; |
| 3959 | return dev; |
| 3960 | } |
Michael Buesch | 49d965c | 2009-10-03 00:57:58 +0200 | [diff] [blame] | 3961 | mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); |
| 3962 | B43_WARN_ON(mask != 0xFFFFFFFF && mask); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3963 | |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 3964 | /* Drain the TX queue */ |
| 3965 | while (skb_queue_len(&wl->tx_queue)) |
| 3966 | dev_kfree_skb(skb_dequeue(&wl->tx_queue)); |
| 3967 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3968 | b43_mac_suspend(dev); |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 3969 | b43_leds_exit(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3970 | b43dbg(wl, "Wireless interface stopped\n"); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 3971 | |
| 3972 | return dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3973 | } |
| 3974 | |
| 3975 | /* Locking: wl->mutex */ |
| 3976 | static int b43_wireless_core_start(struct b43_wldev *dev) |
| 3977 | { |
| 3978 | int err; |
| 3979 | |
| 3980 | B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED); |
| 3981 | |
| 3982 | drain_txstatus_queue(dev); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 3983 | if (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) { |
| 3984 | err = b43_sdio_request_irq(dev, b43_sdio_interrupt_handler); |
| 3985 | if (err) { |
| 3986 | b43err(dev->wl, "Cannot request SDIO IRQ\n"); |
| 3987 | goto out; |
| 3988 | } |
| 3989 | } else { |
| 3990 | err = request_threaded_irq(dev->dev->irq, b43_interrupt_handler, |
| 3991 | b43_interrupt_thread_handler, |
| 3992 | IRQF_SHARED, KBUILD_MODNAME, dev); |
| 3993 | if (err) { |
| 3994 | b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq); |
| 3995 | goto out; |
| 3996 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3997 | } |
| 3998 | |
| 3999 | /* We are ready to run. */ |
Larry Finger | 0866b03 | 2010-02-03 13:33:44 -0600 | [diff] [blame] | 4000 | ieee80211_wake_queues(dev->wl->hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4001 | b43_set_status(dev, B43_STAT_STARTED); |
| 4002 | |
| 4003 | /* Start data flow (TX/RX). */ |
| 4004 | b43_mac_enable(dev); |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 4005 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, dev->irq_mask); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4006 | |
| 4007 | /* Start maintainance work */ |
| 4008 | b43_periodic_tasks_setup(dev); |
| 4009 | |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 4010 | b43_leds_init(dev); |
| 4011 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4012 | b43dbg(dev->wl, "Wireless interface started\n"); |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 4013 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4014 | return err; |
| 4015 | } |
| 4016 | |
| 4017 | /* Get PHY and RADIO versioning numbers */ |
| 4018 | static int b43_phy_versioning(struct b43_wldev *dev) |
| 4019 | { |
| 4020 | struct b43_phy *phy = &dev->phy; |
| 4021 | u32 tmp; |
| 4022 | u8 analog_type; |
| 4023 | u8 phy_type; |
| 4024 | u8 phy_rev; |
| 4025 | u16 radio_manuf; |
| 4026 | u16 radio_ver; |
| 4027 | u16 radio_rev; |
| 4028 | int unsupported = 0; |
| 4029 | |
| 4030 | /* Get PHY versioning */ |
| 4031 | tmp = b43_read16(dev, B43_MMIO_PHY_VER); |
| 4032 | analog_type = (tmp & B43_PHYVER_ANALOG) >> B43_PHYVER_ANALOG_SHIFT; |
| 4033 | phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT; |
| 4034 | phy_rev = (tmp & B43_PHYVER_VERSION); |
| 4035 | switch (phy_type) { |
| 4036 | case B43_PHYTYPE_A: |
| 4037 | if (phy_rev >= 4) |
| 4038 | unsupported = 1; |
| 4039 | break; |
| 4040 | case B43_PHYTYPE_B: |
| 4041 | if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 |
| 4042 | && phy_rev != 7) |
| 4043 | unsupported = 1; |
| 4044 | break; |
| 4045 | case B43_PHYTYPE_G: |
Larry Finger | 013978b | 2007-11-26 10:29:47 -0600 | [diff] [blame] | 4046 | if (phy_rev > 9) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4047 | unsupported = 1; |
| 4048 | break; |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 4049 | #ifdef CONFIG_B43_NPHY |
| 4050 | case B43_PHYTYPE_N: |
Johannes Berg | bb519be | 2008-12-24 15:26:40 +0100 | [diff] [blame] | 4051 | if (phy_rev > 4) |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 4052 | unsupported = 1; |
| 4053 | break; |
| 4054 | #endif |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4055 | #ifdef CONFIG_B43_PHY_LP |
| 4056 | case B43_PHYTYPE_LP: |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4057 | if (phy_rev > 2) |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4058 | unsupported = 1; |
| 4059 | break; |
| 4060 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4061 | default: |
| 4062 | unsupported = 1; |
| 4063 | }; |
| 4064 | if (unsupported) { |
| 4065 | b43err(dev->wl, "FOUND UNSUPPORTED PHY " |
| 4066 | "(Analog %u, Type %u, Revision %u)\n", |
| 4067 | analog_type, phy_type, phy_rev); |
| 4068 | return -EOPNOTSUPP; |
| 4069 | } |
| 4070 | b43dbg(dev->wl, "Found PHY: Analog %u, Type %u, Revision %u\n", |
| 4071 | analog_type, phy_type, phy_rev); |
| 4072 | |
| 4073 | /* Get RADIO versioning */ |
| 4074 | if (dev->dev->bus->chip_id == 0x4317) { |
| 4075 | if (dev->dev->bus->chip_rev == 0) |
| 4076 | tmp = 0x3205017F; |
| 4077 | else if (dev->dev->bus->chip_rev == 1) |
| 4078 | tmp = 0x4205017F; |
| 4079 | else |
| 4080 | tmp = 0x5205017F; |
| 4081 | } else { |
| 4082 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID); |
Michael Buesch | 243dcfc | 2008-01-13 14:12:44 +0100 | [diff] [blame] | 4083 | tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4084 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID); |
Michael Buesch | 243dcfc | 2008-01-13 14:12:44 +0100 | [diff] [blame] | 4085 | tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) << 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4086 | } |
| 4087 | radio_manuf = (tmp & 0x00000FFF); |
| 4088 | radio_ver = (tmp & 0x0FFFF000) >> 12; |
| 4089 | radio_rev = (tmp & 0xF0000000) >> 28; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4090 | if (radio_manuf != 0x17F /* Broadcom */) |
| 4091 | unsupported = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4092 | switch (phy_type) { |
| 4093 | case B43_PHYTYPE_A: |
| 4094 | if (radio_ver != 0x2060) |
| 4095 | unsupported = 1; |
| 4096 | if (radio_rev != 1) |
| 4097 | unsupported = 1; |
| 4098 | if (radio_manuf != 0x17F) |
| 4099 | unsupported = 1; |
| 4100 | break; |
| 4101 | case B43_PHYTYPE_B: |
| 4102 | if ((radio_ver & 0xFFF0) != 0x2050) |
| 4103 | unsupported = 1; |
| 4104 | break; |
| 4105 | case B43_PHYTYPE_G: |
| 4106 | if (radio_ver != 0x2050) |
| 4107 | unsupported = 1; |
| 4108 | break; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4109 | case B43_PHYTYPE_N: |
Johannes Berg | bb519be | 2008-12-24 15:26:40 +0100 | [diff] [blame] | 4110 | if (radio_ver != 0x2055 && radio_ver != 0x2056) |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4111 | unsupported = 1; |
| 4112 | break; |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4113 | case B43_PHYTYPE_LP: |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4114 | if (radio_ver != 0x2062 && radio_ver != 0x2063) |
Michael Buesch | 6b1c7c6 | 2008-12-25 00:39:28 +0100 | [diff] [blame] | 4115 | unsupported = 1; |
| 4116 | break; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4117 | default: |
| 4118 | B43_WARN_ON(1); |
| 4119 | } |
| 4120 | if (unsupported) { |
| 4121 | b43err(dev->wl, "FOUND UNSUPPORTED RADIO " |
| 4122 | "(Manuf 0x%X, Version 0x%X, Revision %u)\n", |
| 4123 | radio_manuf, radio_ver, radio_rev); |
| 4124 | return -EOPNOTSUPP; |
| 4125 | } |
| 4126 | b43dbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n", |
| 4127 | radio_manuf, radio_ver, radio_rev); |
| 4128 | |
| 4129 | phy->radio_manuf = radio_manuf; |
| 4130 | phy->radio_ver = radio_ver; |
| 4131 | phy->radio_rev = radio_rev; |
| 4132 | |
| 4133 | phy->analog = analog_type; |
| 4134 | phy->type = phy_type; |
| 4135 | phy->rev = phy_rev; |
| 4136 | |
| 4137 | return 0; |
| 4138 | } |
| 4139 | |
| 4140 | static void setup_struct_phy_for_init(struct b43_wldev *dev, |
| 4141 | struct b43_phy *phy) |
| 4142 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4143 | phy->hardware_power_control = !!modparam_hwpctl; |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 4144 | phy->next_txpwr_check_time = jiffies; |
Michael Buesch | 8ed7fc4 | 2007-12-09 22:34:59 +0100 | [diff] [blame] | 4145 | /* PHY TX errors counter. */ |
| 4146 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
Michael Buesch | 591f3dc | 2009-03-31 12:27:32 +0200 | [diff] [blame] | 4147 | |
| 4148 | #if B43_DEBUG |
| 4149 | phy->phy_locked = 0; |
| 4150 | phy->radio_locked = 0; |
| 4151 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4152 | } |
| 4153 | |
| 4154 | static void setup_struct_wldev_for_init(struct b43_wldev *dev) |
| 4155 | { |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 4156 | dev->dfq_valid = 0; |
| 4157 | |
Michael Buesch | 6a724d6 | 2007-09-20 22:12:58 +0200 | [diff] [blame] | 4158 | /* Assume the radio is enabled. If it's not enabled, the state will |
| 4159 | * immediately get fixed on the first periodic work run. */ |
| 4160 | dev->radio_hw_enable = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4161 | |
| 4162 | /* Stats */ |
| 4163 | memset(&dev->stats, 0, sizeof(dev->stats)); |
| 4164 | |
| 4165 | setup_struct_phy_for_init(dev, &dev->phy); |
| 4166 | |
| 4167 | /* IRQ related flags */ |
| 4168 | dev->irq_reason = 0; |
| 4169 | memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 4170 | dev->irq_mask = B43_IRQ_MASKTEMPLATE; |
Michael Buesch | 3e3ccb3 | 2009-03-19 19:27:21 +0100 | [diff] [blame] | 4171 | if (b43_modparam_verbose < B43_VERBOSITY_DEBUG) |
Michael Buesch | 1379072 | 2009-04-08 21:26:27 +0200 | [diff] [blame] | 4172 | dev->irq_mask &= ~B43_IRQ_PHY_TXERR; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4173 | |
| 4174 | dev->mac_suspended = 1; |
| 4175 | |
| 4176 | /* Noise calculation context */ |
| 4177 | memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); |
| 4178 | } |
| 4179 | |
| 4180 | static void b43_bluetooth_coext_enable(struct b43_wldev *dev) |
| 4181 | { |
| 4182 | struct ssb_sprom *sprom = &dev->dev->bus->sprom; |
Michael Buesch | a259d6a | 2008-04-18 21:06:37 +0200 | [diff] [blame] | 4183 | u64 hf; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4184 | |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4185 | if (!modparam_btcoex) |
| 4186 | return; |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4187 | if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4188 | return; |
| 4189 | if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode) |
| 4190 | return; |
| 4191 | |
| 4192 | hf = b43_hf_read(dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4193 | if (sprom->boardflags_lo & B43_BFL_BTCMOD) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4194 | hf |= B43_HF_BTCOEXALT; |
| 4195 | else |
| 4196 | hf |= B43_HF_BTCOEX; |
| 4197 | b43_hf_write(dev, hf); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4198 | } |
| 4199 | |
| 4200 | static void b43_bluetooth_coext_disable(struct b43_wldev *dev) |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4201 | { |
| 4202 | if (!modparam_btcoex) |
| 4203 | return; |
| 4204 | //TODO |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4205 | } |
| 4206 | |
| 4207 | static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev) |
| 4208 | { |
| 4209 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 4210 | struct ssb_bus *bus = dev->dev->bus; |
| 4211 | u32 tmp; |
| 4212 | |
| 4213 | if (bus->pcicore.dev && |
| 4214 | bus->pcicore.dev->id.coreid == SSB_DEV_PCI && |
| 4215 | bus->pcicore.dev->id.revision <= 5) { |
| 4216 | /* IMCFGLO timeouts workaround. */ |
| 4217 | tmp = ssb_read32(dev->dev, SSB_IMCFGLO); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4218 | switch (bus->bustype) { |
| 4219 | case SSB_BUSTYPE_PCI: |
| 4220 | case SSB_BUSTYPE_PCMCIA: |
Michael Buesch | 98a1e2a | 2009-09-08 19:33:31 +0200 | [diff] [blame] | 4221 | tmp &= ~SSB_IMCFGLO_REQTO; |
| 4222 | tmp &= ~SSB_IMCFGLO_SERTO; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4223 | tmp |= 0x32; |
| 4224 | break; |
| 4225 | case SSB_BUSTYPE_SSB: |
Michael Buesch | 98a1e2a | 2009-09-08 19:33:31 +0200 | [diff] [blame] | 4226 | tmp &= ~SSB_IMCFGLO_REQTO; |
| 4227 | tmp &= ~SSB_IMCFGLO_SERTO; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4228 | tmp |= 0x53; |
| 4229 | break; |
Michael Buesch | 98a1e2a | 2009-09-08 19:33:31 +0200 | [diff] [blame] | 4230 | default: |
| 4231 | break; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4232 | } |
| 4233 | ssb_write32(dev->dev, SSB_IMCFGLO, tmp); |
| 4234 | } |
| 4235 | #endif /* CONFIG_SSB_DRIVER_PCICORE */ |
| 4236 | } |
| 4237 | |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4238 | static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle) |
| 4239 | { |
| 4240 | u16 pu_delay; |
| 4241 | |
| 4242 | /* The time value is in microseconds. */ |
| 4243 | if (dev->phy.type == B43_PHYTYPE_A) |
| 4244 | pu_delay = 3700; |
| 4245 | else |
| 4246 | pu_delay = 1050; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 4247 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle) |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4248 | pu_delay = 500; |
| 4249 | if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8)) |
| 4250 | pu_delay = max(pu_delay, (u16)2400); |
| 4251 | |
| 4252 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay); |
| 4253 | } |
| 4254 | |
| 4255 | /* Set the TSF CFP pre-TargetBeaconTransmissionTime. */ |
| 4256 | static void b43_set_pretbtt(struct b43_wldev *dev) |
| 4257 | { |
| 4258 | u16 pretbtt; |
| 4259 | |
| 4260 | /* The time value is in microseconds. */ |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 4261 | if (b43_is_mode(dev->wl, NL80211_IFTYPE_ADHOC)) { |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4262 | pretbtt = 2; |
| 4263 | } else { |
| 4264 | if (dev->phy.type == B43_PHYTYPE_A) |
| 4265 | pretbtt = 120; |
| 4266 | else |
| 4267 | pretbtt = 250; |
| 4268 | } |
| 4269 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt); |
| 4270 | b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt); |
| 4271 | } |
| 4272 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4273 | /* Shutdown a wireless core */ |
| 4274 | /* Locking: wl->mutex */ |
| 4275 | static void b43_wireless_core_exit(struct b43_wldev *dev) |
| 4276 | { |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 4277 | u32 macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4278 | |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4279 | B43_WARN_ON(dev && b43_status(dev) > B43_STAT_INITIALIZED); |
| 4280 | if (!dev || b43_status(dev) != B43_STAT_INITIALIZED) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4281 | return; |
John W. Linville | 84c164a | 2010-08-06 15:31:45 -0400 | [diff] [blame] | 4282 | |
| 4283 | /* Unregister HW RNG driver */ |
| 4284 | b43_rng_exit(dev->wl); |
| 4285 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4286 | b43_set_status(dev, B43_STAT_UNINIT); |
| 4287 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 4288 | /* Stop the microcode PSM. */ |
| 4289 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 4290 | macctl &= ~B43_MACCTL_PSM_RUN; |
| 4291 | macctl |= B43_MACCTL_PSM_JMP0; |
| 4292 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 4293 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4294 | b43_dma_free(dev); |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 4295 | b43_pio_free(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4296 | b43_chip_exit(dev); |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 4297 | dev->phy.ops->switch_analog(dev, 0); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4298 | if (dev->wl->current_beacon) { |
| 4299 | dev_kfree_skb_any(dev->wl->current_beacon); |
| 4300 | dev->wl->current_beacon = NULL; |
| 4301 | } |
| 4302 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4303 | ssb_device_disable(dev->dev, 0); |
| 4304 | ssb_bus_may_powerdown(dev->dev->bus); |
| 4305 | } |
| 4306 | |
| 4307 | /* Initialize a wireless core */ |
| 4308 | static int b43_wireless_core_init(struct b43_wldev *dev) |
| 4309 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4310 | struct ssb_bus *bus = dev->dev->bus; |
| 4311 | struct ssb_sprom *sprom = &bus->sprom; |
| 4312 | struct b43_phy *phy = &dev->phy; |
| 4313 | int err; |
Michael Buesch | a259d6a | 2008-04-18 21:06:37 +0200 | [diff] [blame] | 4314 | u64 hf; |
| 4315 | u32 tmp; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4316 | |
| 4317 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
| 4318 | |
| 4319 | err = ssb_bus_powerup(bus, 0); |
| 4320 | if (err) |
| 4321 | goto out; |
| 4322 | if (!ssb_device_is_enabled(dev->dev)) { |
| 4323 | tmp = phy->gmode ? B43_TMSLOW_GMODE : 0; |
| 4324 | b43_wireless_core_reset(dev, tmp); |
| 4325 | } |
| 4326 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4327 | /* Reset all data structures. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4328 | setup_struct_wldev_for_init(dev); |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4329 | phy->ops->prepare_structs(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4330 | |
| 4331 | /* Enable IRQ routing to this device. */ |
| 4332 | ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev); |
| 4333 | |
| 4334 | b43_imcfglo_timeouts_workaround(dev); |
| 4335 | b43_bluetooth_coext_disable(dev); |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4336 | if (phy->ops->prepare_hardware) { |
| 4337 | err = phy->ops->prepare_hardware(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4338 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4339 | goto err_busdown; |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4340 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4341 | err = b43_chip_init(dev); |
| 4342 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4343 | goto err_busdown; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4344 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 4345 | B43_SHM_SH_WLCOREREV, dev->dev->id.revision); |
| 4346 | hf = b43_hf_read(dev); |
| 4347 | if (phy->type == B43_PHYTYPE_G) { |
| 4348 | hf |= B43_HF_SYMW; |
| 4349 | if (phy->rev == 1) |
| 4350 | hf |= B43_HF_GDCW; |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4351 | if (sprom->boardflags_lo & B43_BFL_PACTRL) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4352 | hf |= B43_HF_OFDMPABOOST; |
Michael Buesch | 969d15c | 2009-02-20 14:27:15 +0100 | [diff] [blame] | 4353 | } |
| 4354 | if (phy->radio_ver == 0x2050) { |
| 4355 | if (phy->radio_rev == 6) |
| 4356 | hf |= B43_HF_4318TSSI; |
| 4357 | if (phy->radio_rev < 6) |
| 4358 | hf |= B43_HF_VCORECALC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4359 | } |
Michael Buesch | 1cc8f47 | 2009-02-20 14:47:56 +0100 | [diff] [blame] | 4360 | if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW) |
| 4361 | hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */ |
Michael Buesch | 1a77733 | 2009-03-04 16:41:10 +0100 | [diff] [blame] | 4362 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
Michael Buesch | 8821905 | 2009-02-20 14:58:59 +0100 | [diff] [blame] | 4363 | if ((bus->bustype == SSB_BUSTYPE_PCI) && |
| 4364 | (bus->pcicore.dev->id.revision <= 10)) |
| 4365 | hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */ |
Michael Buesch | 1a77733 | 2009-03-04 16:41:10 +0100 | [diff] [blame] | 4366 | #endif |
Michael Buesch | 25d3ef5 | 2009-02-20 15:39:21 +0100 | [diff] [blame] | 4367 | hf &= ~B43_HF_SKCFPUP; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4368 | b43_hf_write(dev, hf); |
| 4369 | |
Michael Buesch | 74cfdba | 2007-10-28 16:19:44 +0100 | [diff] [blame] | 4370 | b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT, |
| 4371 | B43_DEFAULT_LONG_RETRY_LIMIT); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4372 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3); |
| 4373 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2); |
| 4374 | |
| 4375 | /* Disable sending probe responses from firmware. |
| 4376 | * Setting the MaxTime to one usec will always trigger |
| 4377 | * a timeout, so we never send any probe resp. |
| 4378 | * A timeout of zero is infinite. */ |
| 4379 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1); |
| 4380 | |
| 4381 | b43_rate_memory_init(dev); |
Michael Buesch | 5042c50 | 2008-04-05 15:05:00 +0200 | [diff] [blame] | 4382 | b43_set_phytxctl_defaults(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4383 | |
| 4384 | /* Minimum Contention Window */ |
Daniel Ngu | c5a079f | 2010-03-23 00:52:44 +1300 | [diff] [blame] | 4385 | if (phy->type == B43_PHYTYPE_B) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4386 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0x1F); |
Daniel Ngu | c5a079f | 2010-03-23 00:52:44 +1300 | [diff] [blame] | 4387 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4388 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0xF); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4389 | /* Maximum Contention Window */ |
| 4390 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF); |
| 4391 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 4392 | if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || |
| 4393 | (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) || |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 4394 | dev->use_pio) { |
Michael Buesch | 5100d5a | 2008-03-29 21:01:16 +0100 | [diff] [blame] | 4395 | dev->__using_pio_transfers = 1; |
| 4396 | err = b43_pio_init(dev); |
| 4397 | } else { |
| 4398 | dev->__using_pio_transfers = 0; |
| 4399 | err = b43_dma_init(dev); |
| 4400 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4401 | if (err) |
| 4402 | goto err_chip_exit; |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 4403 | b43_qos_init(dev); |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4404 | b43_set_synth_pu_delay(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4405 | b43_bluetooth_coext_enable(dev); |
| 4406 | |
Michael Buesch | 1cc8f47 | 2009-02-20 14:47:56 +0100 | [diff] [blame] | 4407 | ssb_bus_powerup(bus, !(sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4408 | b43_upload_card_macaddress(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4409 | b43_security_init(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4410 | |
Michael Buesch | 5ab9549 | 2009-09-10 20:31:46 +0200 | [diff] [blame] | 4411 | ieee80211_wake_queues(dev->wl->hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4412 | |
| 4413 | b43_set_status(dev, B43_STAT_INITIALIZED); |
| 4414 | |
John W. Linville | 84c164a | 2010-08-06 15:31:45 -0400 | [diff] [blame] | 4415 | /* Register HW RNG driver */ |
| 4416 | b43_rng_init(dev->wl); |
| 4417 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 4418 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4419 | return err; |
| 4420 | |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4421 | err_chip_exit: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4422 | b43_chip_exit(dev); |
Michael Buesch | ef1a628 | 2008-08-27 18:53:02 +0200 | [diff] [blame] | 4423 | err_busdown: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4424 | ssb_bus_may_powerdown(bus); |
| 4425 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
| 4426 | return err; |
| 4427 | } |
| 4428 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4429 | static int b43_op_add_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4430 | struct ieee80211_vif *vif) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4431 | { |
| 4432 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4433 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4434 | int err = -EOPNOTSUPP; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4435 | |
| 4436 | /* TODO: allow WDS/AP devices to coexist */ |
| 4437 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4438 | if (vif->type != NL80211_IFTYPE_AP && |
| 4439 | vif->type != NL80211_IFTYPE_MESH_POINT && |
| 4440 | vif->type != NL80211_IFTYPE_STATION && |
| 4441 | vif->type != NL80211_IFTYPE_WDS && |
| 4442 | vif->type != NL80211_IFTYPE_ADHOC) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4443 | return -EOPNOTSUPP; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4444 | |
| 4445 | mutex_lock(&wl->mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4446 | if (wl->operating) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4447 | goto out_mutex_unlock; |
| 4448 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4449 | b43dbg(wl, "Adding Interface type %d\n", vif->type); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4450 | |
| 4451 | dev = wl->current_dev; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4452 | wl->operating = 1; |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4453 | wl->vif = vif; |
| 4454 | wl->if_type = vif->type; |
| 4455 | memcpy(wl->mac_addr, vif->addr, ETH_ALEN); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4456 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4457 | b43_adjust_opmode(dev); |
Michael Buesch | d59f720 | 2008-04-03 18:56:19 +0200 | [diff] [blame] | 4458 | b43_set_pretbtt(dev); |
| 4459 | b43_set_synth_pu_delay(dev, 0); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4460 | b43_upload_card_macaddress(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4461 | |
| 4462 | err = 0; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4463 | out_mutex_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4464 | mutex_unlock(&wl->mutex); |
| 4465 | |
| 4466 | return err; |
| 4467 | } |
| 4468 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4469 | static void b43_op_remove_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4470 | struct ieee80211_vif *vif) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4471 | { |
| 4472 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4473 | struct b43_wldev *dev = wl->current_dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4474 | |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4475 | b43dbg(wl, "Removing Interface type %d\n", vif->type); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4476 | |
| 4477 | mutex_lock(&wl->mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4478 | |
| 4479 | B43_WARN_ON(!wl->operating); |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 4480 | B43_WARN_ON(wl->vif != vif); |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 4481 | wl->vif = NULL; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4482 | |
| 4483 | wl->operating = 0; |
| 4484 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4485 | b43_adjust_opmode(dev); |
| 4486 | memset(wl->mac_addr, 0, ETH_ALEN); |
| 4487 | b43_upload_card_macaddress(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4488 | |
| 4489 | mutex_unlock(&wl->mutex); |
| 4490 | } |
| 4491 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4492 | static int b43_op_start(struct ieee80211_hw *hw) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4493 | { |
| 4494 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4495 | struct b43_wldev *dev = wl->current_dev; |
| 4496 | int did_init = 0; |
WANG Cong | 923403b | 2007-10-16 14:29:38 -0700 | [diff] [blame] | 4497 | int err = 0; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4498 | |
Michael Buesch | 7be1bb6 | 2008-01-23 21:10:56 +0100 | [diff] [blame] | 4499 | /* Kill all old instance specific information to make sure |
| 4500 | * the card won't use it in the short timeframe between start |
| 4501 | * and mac80211 reconfiguring it. */ |
| 4502 | memset(wl->bssid, 0, ETH_ALEN); |
| 4503 | memset(wl->mac_addr, 0, ETH_ALEN); |
| 4504 | wl->filter_flags = 0; |
| 4505 | wl->radiotap_enabled = 0; |
Michael Buesch | e6f5b93 | 2008-03-05 21:18:49 +0100 | [diff] [blame] | 4506 | b43_qos_clear(wl); |
Michael Buesch | 6b4bec01 | 2008-05-20 12:16:28 +0200 | [diff] [blame] | 4507 | wl->beacon0_uploaded = 0; |
| 4508 | wl->beacon1_uploaded = 0; |
| 4509 | wl->beacon_templates_virgin = 1; |
Larry Finger | fd4973c | 2009-06-20 12:58:11 -0500 | [diff] [blame] | 4510 | wl->radio_enabled = 1; |
Michael Buesch | 7be1bb6 | 2008-01-23 21:10:56 +0100 | [diff] [blame] | 4511 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4512 | mutex_lock(&wl->mutex); |
| 4513 | |
| 4514 | if (b43_status(dev) < B43_STAT_INITIALIZED) { |
| 4515 | err = b43_wireless_core_init(dev); |
Johannes Berg | f41f3f3 | 2009-06-07 12:30:34 -0500 | [diff] [blame] | 4516 | if (err) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4517 | goto out_mutex_unlock; |
| 4518 | did_init = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4519 | } |
| 4520 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4521 | if (b43_status(dev) < B43_STAT_STARTED) { |
| 4522 | err = b43_wireless_core_start(dev); |
| 4523 | if (err) { |
| 4524 | if (did_init) |
| 4525 | b43_wireless_core_exit(dev); |
| 4526 | goto out_mutex_unlock; |
| 4527 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4528 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4529 | |
Johannes Berg | f41f3f3 | 2009-06-07 12:30:34 -0500 | [diff] [blame] | 4530 | /* XXX: only do if device doesn't support rfkill irq */ |
| 4531 | wiphy_rfkill_start_polling(hw->wiphy); |
| 4532 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4533 | out_mutex_unlock: |
| 4534 | mutex_unlock(&wl->mutex); |
| 4535 | |
| 4536 | return err; |
| 4537 | } |
| 4538 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4539 | static void b43_op_stop(struct ieee80211_hw *hw) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4540 | { |
| 4541 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4542 | struct b43_wldev *dev = wl->current_dev; |
| 4543 | |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 4544 | cancel_work_sync(&(wl->beacon_update_trigger)); |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 4545 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4546 | mutex_lock(&wl->mutex); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4547 | if (b43_status(dev) >= B43_STAT_STARTED) { |
| 4548 | dev = b43_wireless_core_stop(dev); |
| 4549 | if (!dev) |
| 4550 | goto out_unlock; |
| 4551 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 4552 | b43_wireless_core_exit(dev); |
Larry Finger | fd4973c | 2009-06-20 12:58:11 -0500 | [diff] [blame] | 4553 | wl->radio_enabled = 0; |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4554 | |
| 4555 | out_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4556 | mutex_unlock(&wl->mutex); |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 4557 | |
| 4558 | cancel_work_sync(&(wl->txpower_adjust_work)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4559 | } |
| 4560 | |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 4561 | static int b43_op_beacon_set_tim(struct ieee80211_hw *hw, |
| 4562 | struct ieee80211_sta *sta, bool set) |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4563 | { |
| 4564 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4565 | |
Felix Fietkau | 8f61128 | 2009-11-07 18:37:37 +0100 | [diff] [blame] | 4566 | /* FIXME: add locking */ |
Johannes Berg | 9d139c8 | 2008-07-09 14:40:37 +0200 | [diff] [blame] | 4567 | b43_update_templates(wl); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4568 | |
| 4569 | return 0; |
| 4570 | } |
| 4571 | |
Johannes Berg | 38968d0 | 2008-02-25 16:27:50 +0100 | [diff] [blame] | 4572 | static void b43_op_sta_notify(struct ieee80211_hw *hw, |
| 4573 | struct ieee80211_vif *vif, |
| 4574 | enum sta_notify_cmd notify_cmd, |
Johannes Berg | 17741cd | 2008-09-11 00:02:02 +0200 | [diff] [blame] | 4575 | struct ieee80211_sta *sta) |
Johannes Berg | 38968d0 | 2008-02-25 16:27:50 +0100 | [diff] [blame] | 4576 | { |
| 4577 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4578 | |
| 4579 | B43_WARN_ON(!vif || wl->vif != vif); |
| 4580 | } |
| 4581 | |
Michael Buesch | 25d3ef5 | 2009-02-20 15:39:21 +0100 | [diff] [blame] | 4582 | static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw) |
| 4583 | { |
| 4584 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4585 | struct b43_wldev *dev; |
| 4586 | |
| 4587 | mutex_lock(&wl->mutex); |
| 4588 | dev = wl->current_dev; |
| 4589 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { |
| 4590 | /* Disable CFP update during scan on other channels. */ |
| 4591 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP); |
| 4592 | } |
| 4593 | mutex_unlock(&wl->mutex); |
| 4594 | } |
| 4595 | |
| 4596 | static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw) |
| 4597 | { |
| 4598 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4599 | struct b43_wldev *dev; |
| 4600 | |
| 4601 | mutex_lock(&wl->mutex); |
| 4602 | dev = wl->current_dev; |
| 4603 | if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { |
| 4604 | /* Re-enable CFP update. */ |
| 4605 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP); |
| 4606 | } |
| 4607 | mutex_unlock(&wl->mutex); |
| 4608 | } |
| 4609 | |
John W. Linville | 354b4f0 | 2010-04-29 15:56:06 -0400 | [diff] [blame] | 4610 | static int b43_op_get_survey(struct ieee80211_hw *hw, int idx, |
| 4611 | struct survey_info *survey) |
| 4612 | { |
| 4613 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 4614 | struct b43_wldev *dev = wl->current_dev; |
| 4615 | struct ieee80211_conf *conf = &hw->conf; |
| 4616 | |
| 4617 | if (idx != 0) |
| 4618 | return -ENOENT; |
| 4619 | |
| 4620 | survey->channel = conf->channel; |
| 4621 | survey->filled = SURVEY_INFO_NOISE_DBM; |
| 4622 | survey->noise = dev->stats.link_noise; |
| 4623 | |
| 4624 | return 0; |
| 4625 | } |
| 4626 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4627 | static const struct ieee80211_ops b43_hw_ops = { |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4628 | .tx = b43_op_tx, |
| 4629 | .conf_tx = b43_op_conf_tx, |
| 4630 | .add_interface = b43_op_add_interface, |
| 4631 | .remove_interface = b43_op_remove_interface, |
| 4632 | .config = b43_op_config, |
Johannes Berg | c7ab5ef | 2008-10-29 20:02:12 +0100 | [diff] [blame] | 4633 | .bss_info_changed = b43_op_bss_info_changed, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4634 | .configure_filter = b43_op_configure_filter, |
| 4635 | .set_key = b43_op_set_key, |
gregor kowski | 035d024 | 2009-08-19 22:35:45 +0200 | [diff] [blame] | 4636 | .update_tkip_key = b43_op_update_tkip_key, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4637 | .get_stats = b43_op_get_stats, |
Alina Friedrichsen | 08e87a8 | 2009-01-25 15:28:28 +0100 | [diff] [blame] | 4638 | .get_tsf = b43_op_get_tsf, |
| 4639 | .set_tsf = b43_op_set_tsf, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 4640 | .start = b43_op_start, |
| 4641 | .stop = b43_op_stop, |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 4642 | .set_tim = b43_op_beacon_set_tim, |
Johannes Berg | 38968d0 | 2008-02-25 16:27:50 +0100 | [diff] [blame] | 4643 | .sta_notify = b43_op_sta_notify, |
Michael Buesch | 25d3ef5 | 2009-02-20 15:39:21 +0100 | [diff] [blame] | 4644 | .sw_scan_start = b43_op_sw_scan_start_notifier, |
| 4645 | .sw_scan_complete = b43_op_sw_scan_complete_notifier, |
John W. Linville | 354b4f0 | 2010-04-29 15:56:06 -0400 | [diff] [blame] | 4646 | .get_survey = b43_op_get_survey, |
Johannes Berg | f41f3f3 | 2009-06-07 12:30:34 -0500 | [diff] [blame] | 4647 | .rfkill_poll = b43_rfkill_poll, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4648 | }; |
| 4649 | |
| 4650 | /* Hard-reset the chip. Do not call this directly. |
| 4651 | * Use b43_controller_restart() |
| 4652 | */ |
| 4653 | static void b43_chip_reset(struct work_struct *work) |
| 4654 | { |
| 4655 | struct b43_wldev *dev = |
| 4656 | container_of(work, struct b43_wldev, restart_work); |
| 4657 | struct b43_wl *wl = dev->wl; |
| 4658 | int err = 0; |
| 4659 | int prev_status; |
| 4660 | |
| 4661 | mutex_lock(&wl->mutex); |
| 4662 | |
| 4663 | prev_status = b43_status(dev); |
| 4664 | /* Bring the device down... */ |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4665 | if (prev_status >= B43_STAT_STARTED) { |
| 4666 | dev = b43_wireless_core_stop(dev); |
| 4667 | if (!dev) { |
| 4668 | err = -ENODEV; |
| 4669 | goto out; |
| 4670 | } |
| 4671 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4672 | if (prev_status >= B43_STAT_INITIALIZED) |
| 4673 | b43_wireless_core_exit(dev); |
| 4674 | |
| 4675 | /* ...and up again. */ |
| 4676 | if (prev_status >= B43_STAT_INITIALIZED) { |
| 4677 | err = b43_wireless_core_init(dev); |
| 4678 | if (err) |
| 4679 | goto out; |
| 4680 | } |
| 4681 | if (prev_status >= B43_STAT_STARTED) { |
| 4682 | err = b43_wireless_core_start(dev); |
| 4683 | if (err) { |
| 4684 | b43_wireless_core_exit(dev); |
| 4685 | goto out; |
| 4686 | } |
| 4687 | } |
Michael Buesch | 3bf0a32 | 2008-05-22 16:32:16 +0200 | [diff] [blame] | 4688 | out: |
| 4689 | if (err) |
| 4690 | wl->current_dev = NULL; /* Failed to init the dev. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4691 | mutex_unlock(&wl->mutex); |
| 4692 | if (err) |
| 4693 | b43err(wl, "Controller restart FAILED\n"); |
| 4694 | else |
| 4695 | b43info(wl, "Controller restarted\n"); |
| 4696 | } |
| 4697 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 4698 | static int b43_setup_bands(struct b43_wldev *dev, |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4699 | bool have_2ghz_phy, bool have_5ghz_phy) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4700 | { |
| 4701 | struct ieee80211_hw *hw = dev->wl->hw; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4702 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 4703 | if (have_2ghz_phy) |
| 4704 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &b43_band_2GHz; |
| 4705 | if (dev->phy.type == B43_PHYTYPE_N) { |
| 4706 | if (have_5ghz_phy) |
| 4707 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_nphy; |
| 4708 | } else { |
| 4709 | if (have_5ghz_phy) |
| 4710 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy; |
| 4711 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4712 | |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 4713 | dev->phy.supports_2ghz = have_2ghz_phy; |
| 4714 | dev->phy.supports_5ghz = have_5ghz_phy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4715 | |
| 4716 | return 0; |
| 4717 | } |
| 4718 | |
| 4719 | static void b43_wireless_core_detach(struct b43_wldev *dev) |
| 4720 | { |
| 4721 | /* We release firmware that late to not be required to re-request |
| 4722 | * is all the time when we reinit the core. */ |
| 4723 | b43_release_firmware(dev); |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4724 | b43_phy_free(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4725 | } |
| 4726 | |
| 4727 | static int b43_wireless_core_attach(struct b43_wldev *dev) |
| 4728 | { |
| 4729 | struct b43_wl *wl = dev->wl; |
| 4730 | struct ssb_bus *bus = dev->dev->bus; |
Michael Buesch | 899110f | 2009-10-09 20:30:10 +0200 | [diff] [blame] | 4731 | struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4732 | int err; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4733 | bool have_2ghz_phy = 0, have_5ghz_phy = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4734 | u32 tmp; |
| 4735 | |
| 4736 | /* Do NOT do any device initialization here. |
| 4737 | * Do it in wireless_core_init() instead. |
| 4738 | * This function is for gathering basic information about the HW, only. |
| 4739 | * Also some structs may be set up here. But most likely you want to have |
| 4740 | * that in core_init(), too. |
| 4741 | */ |
| 4742 | |
| 4743 | err = ssb_bus_powerup(bus, 0); |
| 4744 | if (err) { |
| 4745 | b43err(wl, "Bus powerup failed\n"); |
| 4746 | goto out; |
| 4747 | } |
| 4748 | /* Get the PHY type. */ |
| 4749 | if (dev->dev->id.revision >= 5) { |
| 4750 | u32 tmshigh; |
| 4751 | |
| 4752 | tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH); |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4753 | have_2ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY); |
| 4754 | have_5ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_5GHZ_PHY); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4755 | } else |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4756 | B43_WARN_ON(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4757 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4758 | dev->phy.gmode = have_2ghz_phy; |
Larry Finger | fd4973c | 2009-06-20 12:58:11 -0500 | [diff] [blame] | 4759 | dev->phy.radio_on = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4760 | tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0; |
| 4761 | b43_wireless_core_reset(dev, tmp); |
| 4762 | |
| 4763 | err = b43_phy_versioning(dev); |
| 4764 | if (err) |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 4765 | goto err_powerdown; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4766 | /* Check if this device supports multiband. */ |
| 4767 | if (!pdev || |
| 4768 | (pdev->device != 0x4312 && |
| 4769 | pdev->device != 0x4319 && pdev->device != 0x4324)) { |
| 4770 | /* No multiband support. */ |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4771 | have_2ghz_phy = 0; |
| 4772 | have_5ghz_phy = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4773 | switch (dev->phy.type) { |
| 4774 | case B43_PHYTYPE_A: |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4775 | have_5ghz_phy = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4776 | break; |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4777 | case B43_PHYTYPE_LP: //FIXME not always! |
Gábor Stefanik | 86b2892 | 2009-08-16 20:22:41 +0200 | [diff] [blame] | 4778 | #if 0 //FIXME enabling 5GHz causes a NULL pointer dereference |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4779 | have_5ghz_phy = 1; |
Gábor Stefanik | 86b2892 | 2009-08-16 20:22:41 +0200 | [diff] [blame] | 4780 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4781 | case B43_PHYTYPE_G: |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4782 | case B43_PHYTYPE_N: |
| 4783 | have_2ghz_phy = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4784 | break; |
| 4785 | default: |
| 4786 | B43_WARN_ON(1); |
| 4787 | } |
| 4788 | } |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4789 | if (dev->phy.type == B43_PHYTYPE_A) { |
| 4790 | /* FIXME */ |
| 4791 | b43err(wl, "IEEE 802.11a devices are unsupported\n"); |
| 4792 | err = -EOPNOTSUPP; |
| 4793 | goto err_powerdown; |
| 4794 | } |
Michael Buesch | 2e35af1 | 2008-04-27 19:06:18 +0200 | [diff] [blame] | 4795 | if (1 /* disable A-PHY */) { |
| 4796 | /* FIXME: For now we disable the A-PHY on multi-PHY devices. */ |
Gábor Stefanik | 9d86a2d | 2009-08-14 14:54:46 +0200 | [diff] [blame] | 4797 | if (dev->phy.type != B43_PHYTYPE_N && |
| 4798 | dev->phy.type != B43_PHYTYPE_LP) { |
Michael Buesch | 2e35af1 | 2008-04-27 19:06:18 +0200 | [diff] [blame] | 4799 | have_2ghz_phy = 1; |
| 4800 | have_5ghz_phy = 0; |
| 4801 | } |
| 4802 | } |
| 4803 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4804 | err = b43_phy_allocate(dev); |
| 4805 | if (err) |
| 4806 | goto err_powerdown; |
| 4807 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 4808 | dev->phy.gmode = have_2ghz_phy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4809 | tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0; |
| 4810 | b43_wireless_core_reset(dev, tmp); |
| 4811 | |
| 4812 | err = b43_validate_chipaccess(dev); |
| 4813 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4814 | goto err_phy_free; |
Michael Buesch | bb1eeff | 2008-02-09 12:08:58 +0100 | [diff] [blame] | 4815 | err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4816 | if (err) |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4817 | goto err_phy_free; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4818 | |
| 4819 | /* Now set some default "current_dev" */ |
| 4820 | if (!wl->current_dev) |
| 4821 | wl->current_dev = dev; |
| 4822 | INIT_WORK(&dev->restart_work, b43_chip_reset); |
| 4823 | |
Michael Buesch | cb24f57 | 2008-09-03 12:12:20 +0200 | [diff] [blame] | 4824 | dev->phy.ops->switch_analog(dev, 0); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4825 | ssb_device_disable(dev->dev, 0); |
| 4826 | ssb_bus_may_powerdown(bus); |
| 4827 | |
| 4828 | out: |
| 4829 | return err; |
| 4830 | |
Michael Buesch | fb11137 | 2008-09-02 13:00:34 +0200 | [diff] [blame] | 4831 | err_phy_free: |
| 4832 | b43_phy_free(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4833 | err_powerdown: |
| 4834 | ssb_bus_may_powerdown(bus); |
| 4835 | return err; |
| 4836 | } |
| 4837 | |
| 4838 | static void b43_one_core_detach(struct ssb_device *dev) |
| 4839 | { |
| 4840 | struct b43_wldev *wldev; |
| 4841 | struct b43_wl *wl; |
| 4842 | |
Michael Buesch | 3bf0a32 | 2008-05-22 16:32:16 +0200 | [diff] [blame] | 4843 | /* Do not cancel ieee80211-workqueue based work here. |
| 4844 | * See comment in b43_remove(). */ |
| 4845 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4846 | wldev = ssb_get_drvdata(dev); |
| 4847 | wl = wldev->wl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4848 | b43_debugfs_remove_device(wldev); |
| 4849 | b43_wireless_core_detach(wldev); |
| 4850 | list_del(&wldev->list); |
| 4851 | wl->nr_devs--; |
| 4852 | ssb_set_drvdata(dev, NULL); |
| 4853 | kfree(wldev); |
| 4854 | } |
| 4855 | |
| 4856 | static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl) |
| 4857 | { |
| 4858 | struct b43_wldev *wldev; |
| 4859 | struct pci_dev *pdev; |
| 4860 | int err = -ENOMEM; |
| 4861 | |
| 4862 | if (!list_empty(&wl->devlist)) { |
| 4863 | /* We are not the first core on this chip. */ |
Michael Buesch | 899110f | 2009-10-09 20:30:10 +0200 | [diff] [blame] | 4864 | pdev = (dev->bus->bustype == SSB_BUSTYPE_PCI) ? dev->bus->host_pci : NULL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4865 | /* Only special chips support more than one wireless |
| 4866 | * core, although some of the other chips have more than |
| 4867 | * one wireless core as well. Check for this and |
| 4868 | * bail out early. |
| 4869 | */ |
| 4870 | if (!pdev || |
| 4871 | ((pdev->device != 0x4321) && |
| 4872 | (pdev->device != 0x4313) && (pdev->device != 0x431A))) { |
| 4873 | b43dbg(wl, "Ignoring unconnected 802.11 core\n"); |
| 4874 | return -ENODEV; |
| 4875 | } |
| 4876 | } |
| 4877 | |
| 4878 | wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); |
| 4879 | if (!wldev) |
| 4880 | goto out; |
| 4881 | |
Linus Torvalds | 9e3bd91 | 2010-02-26 10:34:27 -0800 | [diff] [blame] | 4882 | wldev->use_pio = b43_modparam_pio; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4883 | wldev->dev = dev; |
| 4884 | wldev->wl = wl; |
| 4885 | b43_set_status(wldev, B43_STAT_UNINIT); |
| 4886 | wldev->bad_frames_preempt = modparam_bad_frames_preempt; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4887 | INIT_LIST_HEAD(&wldev->list); |
| 4888 | |
| 4889 | err = b43_wireless_core_attach(wldev); |
| 4890 | if (err) |
| 4891 | goto err_kfree_wldev; |
| 4892 | |
| 4893 | list_add(&wldev->list, &wl->devlist); |
| 4894 | wl->nr_devs++; |
| 4895 | ssb_set_drvdata(dev, wldev); |
| 4896 | b43_debugfs_add_device(wldev); |
| 4897 | |
| 4898 | out: |
| 4899 | return err; |
| 4900 | |
| 4901 | err_kfree_wldev: |
| 4902 | kfree(wldev); |
| 4903 | return err; |
| 4904 | } |
| 4905 | |
Michael Buesch | 9fc3845 | 2008-04-19 16:53:00 +0200 | [diff] [blame] | 4906 | #define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice) ( \ |
| 4907 | (pdev->vendor == PCI_VENDOR_ID_##_vendor) && \ |
| 4908 | (pdev->device == _device) && \ |
| 4909 | (pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) && \ |
| 4910 | (pdev->subsystem_device == _subdevice) ) |
| 4911 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4912 | static void b43_sprom_fixup(struct ssb_bus *bus) |
| 4913 | { |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4914 | struct pci_dev *pdev; |
| 4915 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4916 | /* boardflags workarounds */ |
| 4917 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL && |
| 4918 | bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74) |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4919 | bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4920 | if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && |
| 4921 | bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40) |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4922 | bus->sprom.boardflags_lo |= B43_BFL_PACTRL; |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4923 | if (bus->bustype == SSB_BUSTYPE_PCI) { |
| 4924 | pdev = bus->host_pci; |
Michael Buesch | 9fc3845 | 2008-04-19 16:53:00 +0200 | [diff] [blame] | 4925 | if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) || |
Larry Finger | 430cd47 | 2008-08-14 18:57:11 -0500 | [diff] [blame] | 4926 | IS_PDEV(pdev, BROADCOM, 0x4320, DELL, 0x0003) || |
Larry Finger | 570bdfb | 2008-09-26 08:23:00 -0500 | [diff] [blame] | 4927 | IS_PDEV(pdev, BROADCOM, 0x4320, HP, 0x12f8) || |
Michael Buesch | 9fc3845 | 2008-04-19 16:53:00 +0200 | [diff] [blame] | 4928 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) || |
Larry Finger | a58d452 | 2008-08-10 10:19:33 -0500 | [diff] [blame] | 4929 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0014) || |
Larry Finger | 3bb91bf | 2008-09-19 14:47:38 -0500 | [diff] [blame] | 4930 | IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013) || |
| 4931 | IS_PDEV(pdev, BROADCOM, 0x4320, MOTOROLA, 0x7010)) |
Michael Buesch | 1855ba7 | 2008-04-18 20:51:41 +0200 | [diff] [blame] | 4932 | bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST; |
| 4933 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4934 | } |
| 4935 | |
| 4936 | static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl) |
| 4937 | { |
| 4938 | struct ieee80211_hw *hw = wl->hw; |
| 4939 | |
| 4940 | ssb_set_devtypedata(dev, NULL); |
| 4941 | ieee80211_free_hw(hw); |
| 4942 | } |
| 4943 | |
| 4944 | static int b43_wireless_init(struct ssb_device *dev) |
| 4945 | { |
| 4946 | struct ssb_sprom *sprom = &dev->bus->sprom; |
| 4947 | struct ieee80211_hw *hw; |
| 4948 | struct b43_wl *wl; |
| 4949 | int err = -ENOMEM; |
| 4950 | |
| 4951 | b43_sprom_fixup(dev->bus); |
| 4952 | |
| 4953 | hw = ieee80211_alloc_hw(sizeof(*wl), &b43_hw_ops); |
| 4954 | if (!hw) { |
| 4955 | b43err(NULL, "Could not allocate ieee80211 device\n"); |
| 4956 | goto out; |
| 4957 | } |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 4958 | wl = hw_to_b43_wl(hw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4959 | |
| 4960 | /* fill hw info */ |
Johannes Berg | 605a0bd | 2008-07-15 10:10:01 +0200 | [diff] [blame] | 4961 | hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | |
John W. Linville | f5c044e | 2010-04-30 15:37:00 -0400 | [diff] [blame] | 4962 | IEEE80211_HW_SIGNAL_DBM; |
Bruno Randolf | 566bfe5 | 2008-05-08 19:15:40 +0200 | [diff] [blame] | 4963 | |
Luis R. Rodriguez | f59ac04 | 2008-08-29 16:26:43 -0700 | [diff] [blame] | 4964 | hw->wiphy->interface_modes = |
| 4965 | BIT(NL80211_IFTYPE_AP) | |
| 4966 | BIT(NL80211_IFTYPE_MESH_POINT) | |
| 4967 | BIT(NL80211_IFTYPE_STATION) | |
| 4968 | BIT(NL80211_IFTYPE_WDS) | |
| 4969 | BIT(NL80211_IFTYPE_ADHOC); |
| 4970 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 4971 | hw->queues = modparam_qos ? 4 : 1; |
| 4972 | wl->mac80211_initially_registered_queues = hw->queues; |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 4973 | hw->max_rates = 2; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4974 | SET_IEEE80211_DEV(hw, dev->dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4975 | if (is_valid_ether_addr(sprom->et1mac)) |
| 4976 | SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4977 | else |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4978 | SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4979 | |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 4980 | /* Initialize struct b43_wl */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4981 | wl->hw = hw; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4982 | mutex_init(&wl->mutex); |
Michael Buesch | 36dbd95 | 2009-09-04 22:51:29 +0200 | [diff] [blame] | 4983 | spin_lock_init(&wl->hardirq_lock); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4984 | INIT_LIST_HEAD(&wl->devlist); |
Michael Buesch | a82d992 | 2008-04-04 21:40:06 +0200 | [diff] [blame] | 4985 | INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work); |
Michael Buesch | 18c8ade | 2008-08-28 19:33:40 +0200 | [diff] [blame] | 4986 | INIT_WORK(&wl->txpower_adjust_work, b43_phy_txpower_adjust_work); |
Michael Buesch | f5d40ee | 2009-09-04 22:53:18 +0200 | [diff] [blame] | 4987 | INIT_WORK(&wl->tx_work, b43_tx_work); |
| 4988 | skb_queue_head_init(&wl->tx_queue); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4989 | |
| 4990 | ssb_set_devtypedata(dev, wl); |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 4991 | b43info(wl, "Broadcom %04X WLAN found (core revision %u)\n", |
| 4992 | dev->bus->chip_id, dev->id.revision); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4993 | err = 0; |
Michael Buesch | 060210f | 2009-01-25 15:49:59 +0100 | [diff] [blame] | 4994 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4995 | return err; |
| 4996 | } |
| 4997 | |
| 4998 | static int b43_probe(struct ssb_device *dev, const struct ssb_device_id *id) |
| 4999 | { |
| 5000 | struct b43_wl *wl; |
| 5001 | int err; |
| 5002 | int first = 0; |
| 5003 | |
| 5004 | wl = ssb_get_devtypedata(dev); |
| 5005 | if (!wl) { |
| 5006 | /* Probing the first core. Must setup common struct b43_wl */ |
| 5007 | first = 1; |
| 5008 | err = b43_wireless_init(dev); |
| 5009 | if (err) |
| 5010 | goto out; |
| 5011 | wl = ssb_get_devtypedata(dev); |
| 5012 | B43_WARN_ON(!wl); |
| 5013 | } |
| 5014 | err = b43_one_core_attach(dev, wl); |
| 5015 | if (err) |
| 5016 | goto err_wireless_exit; |
| 5017 | |
| 5018 | if (first) { |
| 5019 | err = ieee80211_register_hw(wl->hw); |
| 5020 | if (err) |
| 5021 | goto err_one_core_detach; |
Michael Buesch | a78b3bb | 2009-09-11 21:44:05 +0200 | [diff] [blame] | 5022 | b43_leds_register(wl->current_dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5023 | } |
| 5024 | |
| 5025 | out: |
| 5026 | return err; |
| 5027 | |
| 5028 | err_one_core_detach: |
| 5029 | b43_one_core_detach(dev); |
| 5030 | err_wireless_exit: |
| 5031 | if (first) |
| 5032 | b43_wireless_exit(dev, wl); |
| 5033 | return err; |
| 5034 | } |
| 5035 | |
| 5036 | static void b43_remove(struct ssb_device *dev) |
| 5037 | { |
| 5038 | struct b43_wl *wl = ssb_get_devtypedata(dev); |
| 5039 | struct b43_wldev *wldev = ssb_get_drvdata(dev); |
| 5040 | |
Michael Buesch | 3bf0a32 | 2008-05-22 16:32:16 +0200 | [diff] [blame] | 5041 | /* We must cancel any work here before unregistering from ieee80211, |
| 5042 | * as the ieee80211 unreg will destroy the workqueue. */ |
| 5043 | cancel_work_sync(&wldev->restart_work); |
| 5044 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5045 | B43_WARN_ON(!wl); |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5046 | if (wl->current_dev == wldev) { |
| 5047 | /* Restore the queues count before unregistering, because firmware detect |
| 5048 | * might have modified it. Restoring is important, so the networking |
| 5049 | * stack can properly free resources. */ |
| 5050 | wl->hw->queues = wl->mac80211_initially_registered_queues; |
Albert Herranz | 82905ac | 2009-09-16 00:26:19 +0200 | [diff] [blame] | 5051 | b43_leds_stop(wldev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5052 | ieee80211_unregister_hw(wl->hw); |
Michael Buesch | 403a3a1 | 2009-06-08 21:04:57 +0200 | [diff] [blame] | 5053 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5054 | |
| 5055 | b43_one_core_detach(dev); |
| 5056 | |
| 5057 | if (list_empty(&wl->devlist)) { |
Michael Buesch | 727c988 | 2009-10-01 15:54:32 +0200 | [diff] [blame] | 5058 | b43_leds_unregister(wl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5059 | /* Last core on the chip unregistered. |
| 5060 | * We can destroy common struct b43_wl. |
| 5061 | */ |
| 5062 | b43_wireless_exit(dev, wl); |
| 5063 | } |
| 5064 | } |
| 5065 | |
| 5066 | /* Perform a hardware reset. This can be called from any context. */ |
| 5067 | void b43_controller_restart(struct b43_wldev *dev, const char *reason) |
| 5068 | { |
| 5069 | /* Must avoid requeueing, if we are in shutdown. */ |
| 5070 | if (b43_status(dev) < B43_STAT_INITIALIZED) |
| 5071 | return; |
| 5072 | b43info(dev->wl, "Controller RESET (%s) ...\n", reason); |
Luis R. Rodriguez | 42935ec | 2009-07-29 20:08:07 -0400 | [diff] [blame] | 5073 | ieee80211_queue_work(dev->wl->hw, &dev->restart_work); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5074 | } |
| 5075 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5076 | static struct ssb_driver b43_ssb_driver = { |
| 5077 | .name = KBUILD_MODNAME, |
| 5078 | .id_table = b43_ssb_tbl, |
| 5079 | .probe = b43_probe, |
| 5080 | .remove = b43_remove, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5081 | }; |
| 5082 | |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5083 | static void b43_print_driverinfo(void) |
| 5084 | { |
| 5085 | const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "", |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5086 | *feat_leds = "", *feat_sdio = ""; |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5087 | |
| 5088 | #ifdef CONFIG_B43_PCI_AUTOSELECT |
| 5089 | feat_pci = "P"; |
| 5090 | #endif |
| 5091 | #ifdef CONFIG_B43_PCMCIA |
| 5092 | feat_pcmcia = "M"; |
| 5093 | #endif |
| 5094 | #ifdef CONFIG_B43_NPHY |
| 5095 | feat_nphy = "N"; |
| 5096 | #endif |
| 5097 | #ifdef CONFIG_B43_LEDS |
| 5098 | feat_leds = "L"; |
| 5099 | #endif |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5100 | #ifdef CONFIG_B43_SDIO |
| 5101 | feat_sdio = "S"; |
| 5102 | #endif |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5103 | printk(KERN_INFO "Broadcom 43xx driver loaded " |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5104 | "[ Features: %s%s%s%s%s, Firmware-ID: " |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5105 | B43_SUPPORTED_FIRMWARE_ID " ]\n", |
| 5106 | feat_pci, feat_pcmcia, feat_nphy, |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5107 | feat_leds, feat_sdio); |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5108 | } |
| 5109 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5110 | static int __init b43_init(void) |
| 5111 | { |
| 5112 | int err; |
| 5113 | |
| 5114 | b43_debugfs_init(); |
| 5115 | err = b43_pcmcia_init(); |
| 5116 | if (err) |
| 5117 | goto err_dfs_exit; |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5118 | err = b43_sdio_init(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5119 | if (err) |
| 5120 | goto err_pcmcia_exit; |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5121 | err = ssb_driver_register(&b43_ssb_driver); |
| 5122 | if (err) |
| 5123 | goto err_sdio_exit; |
Michael Buesch | 26bc783 | 2008-02-09 00:18:35 +0100 | [diff] [blame] | 5124 | b43_print_driverinfo(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5125 | |
| 5126 | return err; |
| 5127 | |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5128 | err_sdio_exit: |
| 5129 | b43_sdio_exit(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5130 | err_pcmcia_exit: |
| 5131 | b43_pcmcia_exit(); |
| 5132 | err_dfs_exit: |
| 5133 | b43_debugfs_exit(); |
| 5134 | return err; |
| 5135 | } |
| 5136 | |
| 5137 | static void __exit b43_exit(void) |
| 5138 | { |
| 5139 | ssb_driver_unregister(&b43_ssb_driver); |
Albert Herranz | 3dbba8e | 2009-09-10 19:34:49 +0200 | [diff] [blame] | 5140 | b43_sdio_exit(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 5141 | b43_pcmcia_exit(); |
| 5142 | b43_debugfs_exit(); |
| 5143 | } |
| 5144 | |
| 5145 | module_init(b43_init) |
| 5146 | module_exit(b43_exit) |