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 | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 7 | Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de> |
| 8 | Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org> |
| 9 | Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch> |
| 10 | |
| 11 | Some parts of the code in this file are derived from the ipw2200 |
| 12 | driver Copyright(c) 2003 - 2004 Intel Corporation. |
| 13 | |
| 14 | This program is free software; you can redistribute it and/or modify |
| 15 | it under the terms of the GNU General Public License as published by |
| 16 | the Free Software Foundation; either version 2 of the License, or |
| 17 | (at your option) any later version. |
| 18 | |
| 19 | This program is distributed in the hope that it will be useful, |
| 20 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | GNU General Public License for more details. |
| 23 | |
| 24 | You should have received a copy of the GNU General Public License |
| 25 | along with this program; see the file COPYING. If not, write to |
| 26 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| 27 | Boston, MA 02110-1301, USA. |
| 28 | |
| 29 | */ |
| 30 | |
| 31 | #include <linux/delay.h> |
| 32 | #include <linux/init.h> |
| 33 | #include <linux/moduleparam.h> |
| 34 | #include <linux/if_arp.h> |
| 35 | #include <linux/etherdevice.h> |
| 36 | #include <linux/version.h> |
| 37 | #include <linux/firmware.h> |
| 38 | #include <linux/wireless.h> |
| 39 | #include <linux/workqueue.h> |
| 40 | #include <linux/skbuff.h> |
| 41 | #include <linux/dma-mapping.h> |
| 42 | #include <asm/unaligned.h> |
| 43 | |
| 44 | #include "b43.h" |
| 45 | #include "main.h" |
| 46 | #include "debugfs.h" |
| 47 | #include "phy.h" |
| 48 | #include "dma.h" |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 49 | #include "sysfs.h" |
| 50 | #include "xmit.h" |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 51 | #include "lo.h" |
| 52 | #include "pcmcia.h" |
| 53 | |
| 54 | MODULE_DESCRIPTION("Broadcom B43 wireless driver"); |
| 55 | MODULE_AUTHOR("Martin Langer"); |
| 56 | MODULE_AUTHOR("Stefano Brivio"); |
| 57 | MODULE_AUTHOR("Michael Buesch"); |
| 58 | MODULE_LICENSE("GPL"); |
| 59 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 60 | |
| 61 | static int modparam_bad_frames_preempt; |
| 62 | module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); |
| 63 | MODULE_PARM_DESC(bad_frames_preempt, |
| 64 | "enable(1) / disable(0) Bad Frames Preemption"); |
| 65 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 66 | static char modparam_fwpostfix[16]; |
| 67 | module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444); |
| 68 | MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load."); |
| 69 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 70 | static int modparam_hwpctl; |
| 71 | module_param_named(hwpctl, modparam_hwpctl, int, 0444); |
| 72 | MODULE_PARM_DESC(hwpctl, "Enable hardware-side power control (default off)"); |
| 73 | |
| 74 | static int modparam_nohwcrypt; |
| 75 | module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); |
| 76 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); |
| 77 | |
| 78 | static const struct ssb_device_id b43_ssb_tbl[] = { |
| 79 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), |
| 80 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6), |
| 81 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7), |
| 82 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9), |
| 83 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10), |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 84 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 11), |
Larry Finger | 013978b | 2007-11-26 10:29:47 -0600 | [diff] [blame] | 85 | SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13), |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 86 | SSB_DEVTABLE_END |
| 87 | }; |
| 88 | |
| 89 | MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl); |
| 90 | |
| 91 | /* Channel and ratetables are shared for all devices. |
| 92 | * They can't be const, because ieee80211 puts some precalculated |
| 93 | * data in there. This data is the same for all devices, so we don't |
| 94 | * get concurrency issues */ |
| 95 | #define RATETAB_ENT(_rateid, _flags) \ |
| 96 | { \ |
| 97 | .rate = B43_RATE_TO_BASE100KBPS(_rateid), \ |
| 98 | .val = (_rateid), \ |
| 99 | .val2 = (_rateid), \ |
| 100 | .flags = (_flags), \ |
| 101 | } |
| 102 | static struct ieee80211_rate __b43_ratetable[] = { |
| 103 | RATETAB_ENT(B43_CCK_RATE_1MB, IEEE80211_RATE_CCK), |
| 104 | RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_CCK_2), |
| 105 | RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_CCK_2), |
| 106 | RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_CCK_2), |
| 107 | RATETAB_ENT(B43_OFDM_RATE_6MB, IEEE80211_RATE_OFDM), |
| 108 | RATETAB_ENT(B43_OFDM_RATE_9MB, IEEE80211_RATE_OFDM), |
| 109 | RATETAB_ENT(B43_OFDM_RATE_12MB, IEEE80211_RATE_OFDM), |
| 110 | RATETAB_ENT(B43_OFDM_RATE_18MB, IEEE80211_RATE_OFDM), |
| 111 | RATETAB_ENT(B43_OFDM_RATE_24MB, IEEE80211_RATE_OFDM), |
| 112 | RATETAB_ENT(B43_OFDM_RATE_36MB, IEEE80211_RATE_OFDM), |
| 113 | RATETAB_ENT(B43_OFDM_RATE_48MB, IEEE80211_RATE_OFDM), |
| 114 | RATETAB_ENT(B43_OFDM_RATE_54MB, IEEE80211_RATE_OFDM), |
| 115 | }; |
| 116 | |
| 117 | #define b43_a_ratetable (__b43_ratetable + 4) |
| 118 | #define b43_a_ratetable_size 8 |
| 119 | #define b43_b_ratetable (__b43_ratetable + 0) |
| 120 | #define b43_b_ratetable_size 4 |
| 121 | #define b43_g_ratetable (__b43_ratetable + 0) |
| 122 | #define b43_g_ratetable_size 12 |
| 123 | |
| 124 | #define CHANTAB_ENT(_chanid, _freq) \ |
| 125 | { \ |
| 126 | .chan = (_chanid), \ |
| 127 | .freq = (_freq), \ |
| 128 | .val = (_chanid), \ |
| 129 | .flag = IEEE80211_CHAN_W_SCAN | \ |
| 130 | IEEE80211_CHAN_W_ACTIVE_SCAN | \ |
| 131 | IEEE80211_CHAN_W_IBSS, \ |
| 132 | .power_level = 0xFF, \ |
| 133 | .antenna_max = 0xFF, \ |
| 134 | } |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 135 | static struct ieee80211_channel b43_2ghz_chantable[] = { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 136 | CHANTAB_ENT(1, 2412), |
| 137 | CHANTAB_ENT(2, 2417), |
| 138 | CHANTAB_ENT(3, 2422), |
| 139 | CHANTAB_ENT(4, 2427), |
| 140 | CHANTAB_ENT(5, 2432), |
| 141 | CHANTAB_ENT(6, 2437), |
| 142 | CHANTAB_ENT(7, 2442), |
| 143 | CHANTAB_ENT(8, 2447), |
| 144 | CHANTAB_ENT(9, 2452), |
| 145 | CHANTAB_ENT(10, 2457), |
| 146 | CHANTAB_ENT(11, 2462), |
| 147 | CHANTAB_ENT(12, 2467), |
| 148 | CHANTAB_ENT(13, 2472), |
| 149 | CHANTAB_ENT(14, 2484), |
| 150 | }; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 151 | #define b43_2ghz_chantable_size ARRAY_SIZE(b43_2ghz_chantable) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 152 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 153 | #if 0 |
| 154 | static struct ieee80211_channel b43_5ghz_chantable[] = { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 155 | CHANTAB_ENT(36, 5180), |
| 156 | CHANTAB_ENT(40, 5200), |
| 157 | CHANTAB_ENT(44, 5220), |
| 158 | CHANTAB_ENT(48, 5240), |
| 159 | CHANTAB_ENT(52, 5260), |
| 160 | CHANTAB_ENT(56, 5280), |
| 161 | CHANTAB_ENT(60, 5300), |
| 162 | CHANTAB_ENT(64, 5320), |
| 163 | CHANTAB_ENT(149, 5745), |
| 164 | CHANTAB_ENT(153, 5765), |
| 165 | CHANTAB_ENT(157, 5785), |
| 166 | CHANTAB_ENT(161, 5805), |
| 167 | CHANTAB_ENT(165, 5825), |
| 168 | }; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 169 | #define b43_5ghz_chantable_size ARRAY_SIZE(b43_5ghz_chantable) |
| 170 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 171 | |
| 172 | static void b43_wireless_core_exit(struct b43_wldev *dev); |
| 173 | static int b43_wireless_core_init(struct b43_wldev *dev); |
| 174 | static void b43_wireless_core_stop(struct b43_wldev *dev); |
| 175 | static int b43_wireless_core_start(struct b43_wldev *dev); |
| 176 | |
| 177 | static int b43_ratelimit(struct b43_wl *wl) |
| 178 | { |
| 179 | if (!wl || !wl->current_dev) |
| 180 | return 1; |
| 181 | if (b43_status(wl->current_dev) < B43_STAT_STARTED) |
| 182 | return 1; |
| 183 | /* We are up and running. |
| 184 | * Ratelimit the messages to avoid DoS over the net. */ |
| 185 | return net_ratelimit(); |
| 186 | } |
| 187 | |
| 188 | void b43info(struct b43_wl *wl, const char *fmt, ...) |
| 189 | { |
| 190 | va_list args; |
| 191 | |
| 192 | if (!b43_ratelimit(wl)) |
| 193 | return; |
| 194 | va_start(args, fmt); |
| 195 | printk(KERN_INFO "b43-%s: ", |
| 196 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); |
| 197 | vprintk(fmt, args); |
| 198 | va_end(args); |
| 199 | } |
| 200 | |
| 201 | void b43err(struct b43_wl *wl, const char *fmt, ...) |
| 202 | { |
| 203 | va_list args; |
| 204 | |
| 205 | if (!b43_ratelimit(wl)) |
| 206 | return; |
| 207 | va_start(args, fmt); |
| 208 | printk(KERN_ERR "b43-%s ERROR: ", |
| 209 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); |
| 210 | vprintk(fmt, args); |
| 211 | va_end(args); |
| 212 | } |
| 213 | |
| 214 | void b43warn(struct b43_wl *wl, const char *fmt, ...) |
| 215 | { |
| 216 | va_list args; |
| 217 | |
| 218 | if (!b43_ratelimit(wl)) |
| 219 | return; |
| 220 | va_start(args, fmt); |
| 221 | printk(KERN_WARNING "b43-%s warning: ", |
| 222 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); |
| 223 | vprintk(fmt, args); |
| 224 | va_end(args); |
| 225 | } |
| 226 | |
| 227 | #if B43_DEBUG |
| 228 | void b43dbg(struct b43_wl *wl, const char *fmt, ...) |
| 229 | { |
| 230 | va_list args; |
| 231 | |
| 232 | va_start(args, fmt); |
| 233 | printk(KERN_DEBUG "b43-%s debug: ", |
| 234 | (wl && wl->hw) ? wiphy_name(wl->hw->wiphy) : "wlan"); |
| 235 | vprintk(fmt, args); |
| 236 | va_end(args); |
| 237 | } |
| 238 | #endif /* DEBUG */ |
| 239 | |
| 240 | static void b43_ram_write(struct b43_wldev *dev, u16 offset, u32 val) |
| 241 | { |
| 242 | u32 macctl; |
| 243 | |
| 244 | B43_WARN_ON(offset % 4 != 0); |
| 245 | |
| 246 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 247 | if (macctl & B43_MACCTL_BE) |
| 248 | val = swab32(val); |
| 249 | |
| 250 | b43_write32(dev, B43_MMIO_RAM_CONTROL, offset); |
| 251 | mmiowb(); |
| 252 | b43_write32(dev, B43_MMIO_RAM_DATA, val); |
| 253 | } |
| 254 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 255 | static inline void b43_shm_control_word(struct b43_wldev *dev, |
| 256 | u16 routing, u16 offset) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 257 | { |
| 258 | u32 control; |
| 259 | |
| 260 | /* "offset" is the WORD offset. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 261 | control = routing; |
| 262 | control <<= 16; |
| 263 | control |= offset; |
| 264 | b43_write32(dev, B43_MMIO_SHM_CONTROL, control); |
| 265 | } |
| 266 | |
| 267 | u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset) |
| 268 | { |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 269 | struct b43_wl *wl = dev->wl; |
| 270 | unsigned long flags; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 271 | u32 ret; |
| 272 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 273 | spin_lock_irqsave(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 274 | if (routing == B43_SHM_SHARED) { |
| 275 | B43_WARN_ON(offset & 0x0001); |
| 276 | if (offset & 0x0003) { |
| 277 | /* Unaligned access */ |
| 278 | b43_shm_control_word(dev, routing, offset >> 2); |
| 279 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); |
| 280 | ret <<= 16; |
| 281 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
| 282 | ret |= b43_read16(dev, B43_MMIO_SHM_DATA); |
| 283 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 284 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 285 | } |
| 286 | offset >>= 2; |
| 287 | } |
| 288 | b43_shm_control_word(dev, routing, offset); |
| 289 | ret = b43_read32(dev, B43_MMIO_SHM_DATA); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 290 | out: |
| 291 | spin_unlock_irqrestore(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 292 | |
| 293 | return ret; |
| 294 | } |
| 295 | |
| 296 | u16 b43_shm_read16(struct b43_wldev * dev, u16 routing, u16 offset) |
| 297 | { |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 298 | struct b43_wl *wl = dev->wl; |
| 299 | unsigned long flags; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 300 | u16 ret; |
| 301 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 302 | spin_lock_irqsave(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 303 | if (routing == B43_SHM_SHARED) { |
| 304 | B43_WARN_ON(offset & 0x0001); |
| 305 | if (offset & 0x0003) { |
| 306 | /* Unaligned access */ |
| 307 | b43_shm_control_word(dev, routing, offset >> 2); |
| 308 | ret = b43_read16(dev, B43_MMIO_SHM_DATA_UNALIGNED); |
| 309 | |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 310 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 311 | } |
| 312 | offset >>= 2; |
| 313 | } |
| 314 | b43_shm_control_word(dev, routing, offset); |
| 315 | ret = b43_read16(dev, B43_MMIO_SHM_DATA); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 316 | out: |
| 317 | spin_unlock_irqrestore(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 318 | |
| 319 | return ret; |
| 320 | } |
| 321 | |
| 322 | void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value) |
| 323 | { |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 324 | struct b43_wl *wl = dev->wl; |
| 325 | unsigned long flags; |
| 326 | |
| 327 | spin_lock_irqsave(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 328 | if (routing == B43_SHM_SHARED) { |
| 329 | B43_WARN_ON(offset & 0x0001); |
| 330 | if (offset & 0x0003) { |
| 331 | /* Unaligned access */ |
| 332 | b43_shm_control_word(dev, routing, offset >> 2); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 333 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, |
| 334 | (value >> 16) & 0xffff); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 335 | b43_shm_control_word(dev, routing, (offset >> 2) + 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 336 | b43_write16(dev, B43_MMIO_SHM_DATA, value & 0xffff); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 337 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 338 | } |
| 339 | offset >>= 2; |
| 340 | } |
| 341 | b43_shm_control_word(dev, routing, offset); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 342 | b43_write32(dev, B43_MMIO_SHM_DATA, value); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 343 | out: |
| 344 | spin_unlock_irqrestore(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value) |
| 348 | { |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 349 | struct b43_wl *wl = dev->wl; |
| 350 | unsigned long flags; |
| 351 | |
| 352 | spin_lock_irqsave(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 353 | if (routing == B43_SHM_SHARED) { |
| 354 | B43_WARN_ON(offset & 0x0001); |
| 355 | if (offset & 0x0003) { |
| 356 | /* Unaligned access */ |
| 357 | b43_shm_control_word(dev, routing, offset >> 2); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 358 | b43_write16(dev, B43_MMIO_SHM_DATA_UNALIGNED, value); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 359 | goto out; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 360 | } |
| 361 | offset >>= 2; |
| 362 | } |
| 363 | b43_shm_control_word(dev, routing, offset); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 364 | b43_write16(dev, B43_MMIO_SHM_DATA, value); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 365 | out: |
| 366 | spin_unlock_irqrestore(&wl->shm_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | /* Read HostFlags */ |
| 370 | u32 b43_hf_read(struct b43_wldev * dev) |
| 371 | { |
| 372 | u32 ret; |
| 373 | |
| 374 | ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI); |
| 375 | ret <<= 16; |
| 376 | ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO); |
| 377 | |
| 378 | return ret; |
| 379 | } |
| 380 | |
| 381 | /* Write HostFlags */ |
| 382 | void b43_hf_write(struct b43_wldev *dev, u32 value) |
| 383 | { |
| 384 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 385 | B43_SHM_SH_HOSTFLO, (value & 0x0000FFFF)); |
| 386 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 387 | B43_SHM_SH_HOSTFHI, ((value & 0xFFFF0000) >> 16)); |
| 388 | } |
| 389 | |
| 390 | void b43_tsf_read(struct b43_wldev *dev, u64 * tsf) |
| 391 | { |
| 392 | /* We need to be careful. As we read the TSF from multiple |
| 393 | * registers, we should take care of register overflows. |
| 394 | * In theory, the whole tsf read process should be atomic. |
| 395 | * We try to be atomic here, by restaring the read process, |
| 396 | * if any of the high registers changed (overflew). |
| 397 | */ |
| 398 | if (dev->dev->id.revision >= 3) { |
| 399 | u32 low, high, high2; |
| 400 | |
| 401 | do { |
| 402 | high = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH); |
| 403 | low = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_LOW); |
| 404 | high2 = b43_read32(dev, B43_MMIO_REV3PLUS_TSF_HIGH); |
| 405 | } while (unlikely(high != high2)); |
| 406 | |
| 407 | *tsf = high; |
| 408 | *tsf <<= 32; |
| 409 | *tsf |= low; |
| 410 | } else { |
| 411 | u64 tmp; |
| 412 | u16 v0, v1, v2, v3; |
| 413 | u16 test1, test2, test3; |
| 414 | |
| 415 | do { |
| 416 | v3 = b43_read16(dev, B43_MMIO_TSF_3); |
| 417 | v2 = b43_read16(dev, B43_MMIO_TSF_2); |
| 418 | v1 = b43_read16(dev, B43_MMIO_TSF_1); |
| 419 | v0 = b43_read16(dev, B43_MMIO_TSF_0); |
| 420 | |
| 421 | test3 = b43_read16(dev, B43_MMIO_TSF_3); |
| 422 | test2 = b43_read16(dev, B43_MMIO_TSF_2); |
| 423 | test1 = b43_read16(dev, B43_MMIO_TSF_1); |
| 424 | } while (v3 != test3 || v2 != test2 || v1 != test1); |
| 425 | |
| 426 | *tsf = v3; |
| 427 | *tsf <<= 48; |
| 428 | tmp = v2; |
| 429 | tmp <<= 32; |
| 430 | *tsf |= tmp; |
| 431 | tmp = v1; |
| 432 | tmp <<= 16; |
| 433 | *tsf |= tmp; |
| 434 | *tsf |= v0; |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | static void b43_time_lock(struct b43_wldev *dev) |
| 439 | { |
| 440 | u32 macctl; |
| 441 | |
| 442 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 443 | macctl |= B43_MACCTL_TBTTHOLD; |
| 444 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 445 | /* Commit the write */ |
| 446 | b43_read32(dev, B43_MMIO_MACCTL); |
| 447 | } |
| 448 | |
| 449 | static void b43_time_unlock(struct b43_wldev *dev) |
| 450 | { |
| 451 | u32 macctl; |
| 452 | |
| 453 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 454 | macctl &= ~B43_MACCTL_TBTTHOLD; |
| 455 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 456 | /* Commit the write */ |
| 457 | b43_read32(dev, B43_MMIO_MACCTL); |
| 458 | } |
| 459 | |
| 460 | static void b43_tsf_write_locked(struct b43_wldev *dev, u64 tsf) |
| 461 | { |
| 462 | /* Be careful with the in-progress timer. |
| 463 | * First zero out the low register, so we have a full |
| 464 | * register-overflow duration to complete the operation. |
| 465 | */ |
| 466 | if (dev->dev->id.revision >= 3) { |
| 467 | u32 lo = (tsf & 0x00000000FFFFFFFFULL); |
| 468 | u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; |
| 469 | |
| 470 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, 0); |
| 471 | mmiowb(); |
| 472 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_HIGH, hi); |
| 473 | mmiowb(); |
| 474 | b43_write32(dev, B43_MMIO_REV3PLUS_TSF_LOW, lo); |
| 475 | } else { |
| 476 | u16 v0 = (tsf & 0x000000000000FFFFULL); |
| 477 | u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16; |
| 478 | u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32; |
| 479 | u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48; |
| 480 | |
| 481 | b43_write16(dev, B43_MMIO_TSF_0, 0); |
| 482 | mmiowb(); |
| 483 | b43_write16(dev, B43_MMIO_TSF_3, v3); |
| 484 | mmiowb(); |
| 485 | b43_write16(dev, B43_MMIO_TSF_2, v2); |
| 486 | mmiowb(); |
| 487 | b43_write16(dev, B43_MMIO_TSF_1, v1); |
| 488 | mmiowb(); |
| 489 | b43_write16(dev, B43_MMIO_TSF_0, v0); |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | void b43_tsf_write(struct b43_wldev *dev, u64 tsf) |
| 494 | { |
| 495 | b43_time_lock(dev); |
| 496 | b43_tsf_write_locked(dev, tsf); |
| 497 | b43_time_unlock(dev); |
| 498 | } |
| 499 | |
| 500 | static |
| 501 | void b43_macfilter_set(struct b43_wldev *dev, u16 offset, const u8 * mac) |
| 502 | { |
| 503 | static const u8 zero_addr[ETH_ALEN] = { 0 }; |
| 504 | u16 data; |
| 505 | |
| 506 | if (!mac) |
| 507 | mac = zero_addr; |
| 508 | |
| 509 | offset |= 0x0020; |
| 510 | b43_write16(dev, B43_MMIO_MACFILTER_CONTROL, offset); |
| 511 | |
| 512 | data = mac[0]; |
| 513 | data |= mac[1] << 8; |
| 514 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 515 | data = mac[2]; |
| 516 | data |= mac[3] << 8; |
| 517 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 518 | data = mac[4]; |
| 519 | data |= mac[5] << 8; |
| 520 | b43_write16(dev, B43_MMIO_MACFILTER_DATA, data); |
| 521 | } |
| 522 | |
| 523 | static void b43_write_mac_bssid_templates(struct b43_wldev *dev) |
| 524 | { |
| 525 | const u8 *mac; |
| 526 | const u8 *bssid; |
| 527 | u8 mac_bssid[ETH_ALEN * 2]; |
| 528 | int i; |
| 529 | u32 tmp; |
| 530 | |
| 531 | bssid = dev->wl->bssid; |
| 532 | mac = dev->wl->mac_addr; |
| 533 | |
| 534 | b43_macfilter_set(dev, B43_MACFILTER_BSSID, bssid); |
| 535 | |
| 536 | memcpy(mac_bssid, mac, ETH_ALEN); |
| 537 | memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); |
| 538 | |
| 539 | /* Write our MAC address and BSSID to template ram */ |
| 540 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) { |
| 541 | tmp = (u32) (mac_bssid[i + 0]); |
| 542 | tmp |= (u32) (mac_bssid[i + 1]) << 8; |
| 543 | tmp |= (u32) (mac_bssid[i + 2]) << 16; |
| 544 | tmp |= (u32) (mac_bssid[i + 3]) << 24; |
| 545 | b43_ram_write(dev, 0x20 + i, tmp); |
| 546 | } |
| 547 | } |
| 548 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 549 | static void b43_upload_card_macaddress(struct b43_wldev *dev) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 550 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 551 | b43_write_mac_bssid_templates(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 552 | b43_macfilter_set(dev, B43_MACFILTER_SELF, dev->wl->mac_addr); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 553 | } |
| 554 | |
| 555 | static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time) |
| 556 | { |
| 557 | /* slot_time is in usec. */ |
| 558 | if (dev->phy.type != B43_PHYTYPE_G) |
| 559 | return; |
| 560 | b43_write16(dev, 0x684, 510 + slot_time); |
| 561 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time); |
| 562 | } |
| 563 | |
| 564 | static void b43_short_slot_timing_enable(struct b43_wldev *dev) |
| 565 | { |
| 566 | b43_set_slot_time(dev, 9); |
| 567 | dev->short_slot = 1; |
| 568 | } |
| 569 | |
| 570 | static void b43_short_slot_timing_disable(struct b43_wldev *dev) |
| 571 | { |
| 572 | b43_set_slot_time(dev, 20); |
| 573 | dev->short_slot = 0; |
| 574 | } |
| 575 | |
| 576 | /* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable. |
| 577 | * Returns the _previously_ enabled IRQ mask. |
| 578 | */ |
| 579 | static inline u32 b43_interrupt_enable(struct b43_wldev *dev, u32 mask) |
| 580 | { |
| 581 | u32 old_mask; |
| 582 | |
| 583 | old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); |
| 584 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask | mask); |
| 585 | |
| 586 | return old_mask; |
| 587 | } |
| 588 | |
| 589 | /* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable. |
| 590 | * Returns the _previously_ enabled IRQ mask. |
| 591 | */ |
| 592 | static inline u32 b43_interrupt_disable(struct b43_wldev *dev, u32 mask) |
| 593 | { |
| 594 | u32 old_mask; |
| 595 | |
| 596 | old_mask = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); |
| 597 | b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, old_mask & ~mask); |
| 598 | |
| 599 | return old_mask; |
| 600 | } |
| 601 | |
| 602 | /* Synchronize IRQ top- and bottom-half. |
| 603 | * IRQs must be masked before calling this. |
| 604 | * This must not be called with the irq_lock held. |
| 605 | */ |
| 606 | static void b43_synchronize_irq(struct b43_wldev *dev) |
| 607 | { |
| 608 | synchronize_irq(dev->dev->irq); |
| 609 | tasklet_kill(&dev->isr_tasklet); |
| 610 | } |
| 611 | |
| 612 | /* DummyTransmission function, as documented on |
| 613 | * http://bcm-specs.sipsolutions.net/DummyTransmission |
| 614 | */ |
| 615 | void b43_dummy_transmission(struct b43_wldev *dev) |
| 616 | { |
| 617 | struct b43_phy *phy = &dev->phy; |
| 618 | unsigned int i, max_loop; |
| 619 | u16 value; |
| 620 | u32 buffer[5] = { |
| 621 | 0x00000000, |
| 622 | 0x00D40000, |
| 623 | 0x00000000, |
| 624 | 0x01000000, |
| 625 | 0x00000000, |
| 626 | }; |
| 627 | |
| 628 | switch (phy->type) { |
| 629 | case B43_PHYTYPE_A: |
| 630 | max_loop = 0x1E; |
| 631 | buffer[0] = 0x000201CC; |
| 632 | break; |
| 633 | case B43_PHYTYPE_B: |
| 634 | case B43_PHYTYPE_G: |
| 635 | max_loop = 0xFA; |
| 636 | buffer[0] = 0x000B846E; |
| 637 | break; |
| 638 | default: |
| 639 | B43_WARN_ON(1); |
| 640 | return; |
| 641 | } |
| 642 | |
| 643 | for (i = 0; i < 5; i++) |
| 644 | b43_ram_write(dev, i * 4, buffer[i]); |
| 645 | |
| 646 | /* Commit writes */ |
| 647 | b43_read32(dev, B43_MMIO_MACCTL); |
| 648 | |
| 649 | b43_write16(dev, 0x0568, 0x0000); |
| 650 | b43_write16(dev, 0x07C0, 0x0000); |
| 651 | value = ((phy->type == B43_PHYTYPE_A) ? 1 : 0); |
| 652 | b43_write16(dev, 0x050C, value); |
| 653 | b43_write16(dev, 0x0508, 0x0000); |
| 654 | b43_write16(dev, 0x050A, 0x0000); |
| 655 | b43_write16(dev, 0x054C, 0x0000); |
| 656 | b43_write16(dev, 0x056A, 0x0014); |
| 657 | b43_write16(dev, 0x0568, 0x0826); |
| 658 | b43_write16(dev, 0x0500, 0x0000); |
| 659 | b43_write16(dev, 0x0502, 0x0030); |
| 660 | |
| 661 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) |
| 662 | b43_radio_write16(dev, 0x0051, 0x0017); |
| 663 | for (i = 0x00; i < max_loop; i++) { |
| 664 | value = b43_read16(dev, 0x050E); |
| 665 | if (value & 0x0080) |
| 666 | break; |
| 667 | udelay(10); |
| 668 | } |
| 669 | for (i = 0x00; i < 0x0A; i++) { |
| 670 | value = b43_read16(dev, 0x050E); |
| 671 | if (value & 0x0400) |
| 672 | break; |
| 673 | udelay(10); |
| 674 | } |
| 675 | for (i = 0x00; i < 0x0A; i++) { |
| 676 | value = b43_read16(dev, 0x0690); |
| 677 | if (!(value & 0x0100)) |
| 678 | break; |
| 679 | udelay(10); |
| 680 | } |
| 681 | if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5) |
| 682 | b43_radio_write16(dev, 0x0051, 0x0037); |
| 683 | } |
| 684 | |
| 685 | static void key_write(struct b43_wldev *dev, |
| 686 | u8 index, u8 algorithm, const u8 * key) |
| 687 | { |
| 688 | unsigned int i; |
| 689 | u32 offset; |
| 690 | u16 value; |
| 691 | u16 kidx; |
| 692 | |
| 693 | /* Key index/algo block */ |
| 694 | kidx = b43_kidx_to_fw(dev, index); |
| 695 | value = ((kidx << 4) | algorithm); |
| 696 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 697 | B43_SHM_SH_KEYIDXBLOCK + (kidx * 2), value); |
| 698 | |
| 699 | /* Write the key to the Key Table Pointer offset */ |
| 700 | offset = dev->ktp + (index * B43_SEC_KEYSIZE); |
| 701 | for (i = 0; i < B43_SEC_KEYSIZE; i += 2) { |
| 702 | value = key[i]; |
| 703 | value |= (u16) (key[i + 1]) << 8; |
| 704 | b43_shm_write16(dev, B43_SHM_SHARED, offset + i, value); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | static void keymac_write(struct b43_wldev *dev, u8 index, const u8 * addr) |
| 709 | { |
| 710 | u32 addrtmp[2] = { 0, 0, }; |
| 711 | u8 per_sta_keys_start = 8; |
| 712 | |
| 713 | if (b43_new_kidx_api(dev)) |
| 714 | per_sta_keys_start = 4; |
| 715 | |
| 716 | B43_WARN_ON(index < per_sta_keys_start); |
| 717 | /* We have two default TX keys and possibly two default RX keys. |
| 718 | * Physical mac 0 is mapped to physical key 4 or 8, depending |
| 719 | * on the firmware version. |
| 720 | * So we must adjust the index here. |
| 721 | */ |
| 722 | index -= per_sta_keys_start; |
| 723 | |
| 724 | if (addr) { |
| 725 | addrtmp[0] = addr[0]; |
| 726 | addrtmp[0] |= ((u32) (addr[1]) << 8); |
| 727 | addrtmp[0] |= ((u32) (addr[2]) << 16); |
| 728 | addrtmp[0] |= ((u32) (addr[3]) << 24); |
| 729 | addrtmp[1] = addr[4]; |
| 730 | addrtmp[1] |= ((u32) (addr[5]) << 8); |
| 731 | } |
| 732 | |
| 733 | if (dev->dev->id.revision >= 5) { |
| 734 | /* Receive match transmitter address mechanism */ |
| 735 | b43_shm_write32(dev, B43_SHM_RCMTA, |
| 736 | (index * 2) + 0, addrtmp[0]); |
| 737 | b43_shm_write16(dev, B43_SHM_RCMTA, |
| 738 | (index * 2) + 1, addrtmp[1]); |
| 739 | } else { |
| 740 | /* RXE (Receive Engine) and |
| 741 | * PSM (Programmable State Machine) mechanism |
| 742 | */ |
| 743 | if (index < 8) { |
| 744 | /* TODO write to RCM 16, 19, 22 and 25 */ |
| 745 | } else { |
| 746 | b43_shm_write32(dev, B43_SHM_SHARED, |
| 747 | B43_SHM_SH_PSM + (index * 6) + 0, |
| 748 | addrtmp[0]); |
| 749 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 750 | B43_SHM_SH_PSM + (index * 6) + 4, |
| 751 | addrtmp[1]); |
| 752 | } |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | static void do_key_write(struct b43_wldev *dev, |
| 757 | u8 index, u8 algorithm, |
| 758 | const u8 * key, size_t key_len, const u8 * mac_addr) |
| 759 | { |
| 760 | u8 buf[B43_SEC_KEYSIZE] = { 0, }; |
| 761 | u8 per_sta_keys_start = 8; |
| 762 | |
| 763 | if (b43_new_kidx_api(dev)) |
| 764 | per_sta_keys_start = 4; |
| 765 | |
| 766 | B43_WARN_ON(index >= dev->max_nr_keys); |
| 767 | B43_WARN_ON(key_len > B43_SEC_KEYSIZE); |
| 768 | |
| 769 | if (index >= per_sta_keys_start) |
| 770 | keymac_write(dev, index, NULL); /* First zero out mac. */ |
| 771 | if (key) |
| 772 | memcpy(buf, key, key_len); |
| 773 | key_write(dev, index, algorithm, buf); |
| 774 | if (index >= per_sta_keys_start) |
| 775 | keymac_write(dev, index, mac_addr); |
| 776 | |
| 777 | dev->key[index].algorithm = algorithm; |
| 778 | } |
| 779 | |
| 780 | static int b43_key_write(struct b43_wldev *dev, |
| 781 | int index, u8 algorithm, |
| 782 | const u8 * key, size_t key_len, |
| 783 | const u8 * mac_addr, |
| 784 | struct ieee80211_key_conf *keyconf) |
| 785 | { |
| 786 | int i; |
| 787 | int sta_keys_start; |
| 788 | |
| 789 | if (key_len > B43_SEC_KEYSIZE) |
| 790 | return -EINVAL; |
| 791 | for (i = 0; i < dev->max_nr_keys; i++) { |
| 792 | /* Check that we don't already have this key. */ |
| 793 | B43_WARN_ON(dev->key[i].keyconf == keyconf); |
| 794 | } |
| 795 | if (index < 0) { |
| 796 | /* Either pairwise key or address is 00:00:00:00:00:00 |
| 797 | * for transmit-only keys. Search the index. */ |
| 798 | if (b43_new_kidx_api(dev)) |
| 799 | sta_keys_start = 4; |
| 800 | else |
| 801 | sta_keys_start = 8; |
| 802 | for (i = sta_keys_start; i < dev->max_nr_keys; i++) { |
| 803 | if (!dev->key[i].keyconf) { |
| 804 | /* found empty */ |
| 805 | index = i; |
| 806 | break; |
| 807 | } |
| 808 | } |
| 809 | if (index < 0) { |
| 810 | b43err(dev->wl, "Out of hardware key memory\n"); |
| 811 | return -ENOSPC; |
| 812 | } |
| 813 | } else |
| 814 | B43_WARN_ON(index > 3); |
| 815 | |
| 816 | do_key_write(dev, index, algorithm, key, key_len, mac_addr); |
| 817 | if ((index <= 3) && !b43_new_kidx_api(dev)) { |
| 818 | /* Default RX key */ |
| 819 | B43_WARN_ON(mac_addr); |
| 820 | do_key_write(dev, index + 4, algorithm, key, key_len, NULL); |
| 821 | } |
| 822 | keyconf->hw_key_idx = index; |
| 823 | dev->key[index].keyconf = keyconf; |
| 824 | |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | static int b43_key_clear(struct b43_wldev *dev, int index) |
| 829 | { |
| 830 | if (B43_WARN_ON((index < 0) || (index >= dev->max_nr_keys))) |
| 831 | return -EINVAL; |
| 832 | do_key_write(dev, index, B43_SEC_ALGO_NONE, |
| 833 | NULL, B43_SEC_KEYSIZE, NULL); |
| 834 | if ((index <= 3) && !b43_new_kidx_api(dev)) { |
| 835 | do_key_write(dev, index + 4, B43_SEC_ALGO_NONE, |
| 836 | NULL, B43_SEC_KEYSIZE, NULL); |
| 837 | } |
| 838 | dev->key[index].keyconf = NULL; |
| 839 | |
| 840 | return 0; |
| 841 | } |
| 842 | |
| 843 | static void b43_clear_keys(struct b43_wldev *dev) |
| 844 | { |
| 845 | int i; |
| 846 | |
| 847 | for (i = 0; i < dev->max_nr_keys; i++) |
| 848 | b43_key_clear(dev, i); |
| 849 | } |
| 850 | |
| 851 | void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) |
| 852 | { |
| 853 | u32 macctl; |
| 854 | u16 ucstat; |
| 855 | bool hwps; |
| 856 | bool awake; |
| 857 | int i; |
| 858 | |
| 859 | B43_WARN_ON((ps_flags & B43_PS_ENABLED) && |
| 860 | (ps_flags & B43_PS_DISABLED)); |
| 861 | B43_WARN_ON((ps_flags & B43_PS_AWAKE) && (ps_flags & B43_PS_ASLEEP)); |
| 862 | |
| 863 | if (ps_flags & B43_PS_ENABLED) { |
| 864 | hwps = 1; |
| 865 | } else if (ps_flags & B43_PS_DISABLED) { |
| 866 | hwps = 0; |
| 867 | } else { |
| 868 | //TODO: If powersave is not off and FIXME is not set and we are not in adhoc |
| 869 | // and thus is not an AP and we are associated, set bit 25 |
| 870 | } |
| 871 | if (ps_flags & B43_PS_AWAKE) { |
| 872 | awake = 1; |
| 873 | } else if (ps_flags & B43_PS_ASLEEP) { |
| 874 | awake = 0; |
| 875 | } else { |
| 876 | //TODO: If the device is awake or this is an AP, or we are scanning, or FIXME, |
| 877 | // or we are associated, or FIXME, or the latest PS-Poll packet sent was |
| 878 | // successful, set bit26 |
| 879 | } |
| 880 | |
| 881 | /* FIXME: For now we force awake-on and hwps-off */ |
| 882 | hwps = 0; |
| 883 | awake = 1; |
| 884 | |
| 885 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 886 | if (hwps) |
| 887 | macctl |= B43_MACCTL_HWPS; |
| 888 | else |
| 889 | macctl &= ~B43_MACCTL_HWPS; |
| 890 | if (awake) |
| 891 | macctl |= B43_MACCTL_AWAKE; |
| 892 | else |
| 893 | macctl &= ~B43_MACCTL_AWAKE; |
| 894 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 895 | /* Commit write */ |
| 896 | b43_read32(dev, B43_MMIO_MACCTL); |
| 897 | if (awake && dev->dev->id.revision >= 5) { |
| 898 | /* Wait for the microcode to wake up. */ |
| 899 | for (i = 0; i < 100; i++) { |
| 900 | ucstat = b43_shm_read16(dev, B43_SHM_SHARED, |
| 901 | B43_SHM_SH_UCODESTAT); |
| 902 | if (ucstat != B43_SHM_SH_UCODESTAT_SLEEP) |
| 903 | break; |
| 904 | udelay(10); |
| 905 | } |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | /* Turn the Analog ON/OFF */ |
| 910 | static void b43_switch_analog(struct b43_wldev *dev, int on) |
| 911 | { |
| 912 | b43_write16(dev, B43_MMIO_PHY0, on ? 0 : 0xF4); |
| 913 | } |
| 914 | |
| 915 | void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags) |
| 916 | { |
| 917 | u32 tmslow; |
| 918 | u32 macctl; |
| 919 | |
| 920 | flags |= B43_TMSLOW_PHYCLKEN; |
| 921 | flags |= B43_TMSLOW_PHYRESET; |
| 922 | ssb_device_enable(dev->dev, flags); |
| 923 | msleep(2); /* Wait for the PLL to turn on. */ |
| 924 | |
| 925 | /* Now take the PHY out of Reset again */ |
| 926 | tmslow = ssb_read32(dev->dev, SSB_TMSLOW); |
| 927 | tmslow |= SSB_TMSLOW_FGC; |
| 928 | tmslow &= ~B43_TMSLOW_PHYRESET; |
| 929 | ssb_write32(dev->dev, SSB_TMSLOW, tmslow); |
| 930 | ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ |
| 931 | msleep(1); |
| 932 | tmslow &= ~SSB_TMSLOW_FGC; |
| 933 | ssb_write32(dev->dev, SSB_TMSLOW, tmslow); |
| 934 | ssb_read32(dev->dev, SSB_TMSLOW); /* flush */ |
| 935 | msleep(1); |
| 936 | |
| 937 | /* Turn Analog ON */ |
| 938 | b43_switch_analog(dev, 1); |
| 939 | |
| 940 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 941 | macctl &= ~B43_MACCTL_GMODE; |
| 942 | if (flags & B43_TMSLOW_GMODE) |
| 943 | macctl |= B43_MACCTL_GMODE; |
| 944 | macctl |= B43_MACCTL_IHR_ENABLED; |
| 945 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 946 | } |
| 947 | |
| 948 | static void handle_irq_transmit_status(struct b43_wldev *dev) |
| 949 | { |
| 950 | u32 v0, v1; |
| 951 | u16 tmp; |
| 952 | struct b43_txstatus stat; |
| 953 | |
| 954 | while (1) { |
| 955 | v0 = b43_read32(dev, B43_MMIO_XMITSTAT_0); |
| 956 | if (!(v0 & 0x00000001)) |
| 957 | break; |
| 958 | v1 = b43_read32(dev, B43_MMIO_XMITSTAT_1); |
| 959 | |
| 960 | stat.cookie = (v0 >> 16); |
| 961 | stat.seq = (v1 & 0x0000FFFF); |
| 962 | stat.phy_stat = ((v1 & 0x00FF0000) >> 16); |
| 963 | tmp = (v0 & 0x0000FFFF); |
| 964 | stat.frame_count = ((tmp & 0xF000) >> 12); |
| 965 | stat.rts_count = ((tmp & 0x0F00) >> 8); |
| 966 | stat.supp_reason = ((tmp & 0x001C) >> 2); |
| 967 | stat.pm_indicated = !!(tmp & 0x0080); |
| 968 | stat.intermediate = !!(tmp & 0x0040); |
| 969 | stat.for_ampdu = !!(tmp & 0x0020); |
| 970 | stat.acked = !!(tmp & 0x0002); |
| 971 | |
| 972 | b43_handle_txstatus(dev, &stat); |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | static void drain_txstatus_queue(struct b43_wldev *dev) |
| 977 | { |
| 978 | u32 dummy; |
| 979 | |
| 980 | if (dev->dev->id.revision < 5) |
| 981 | return; |
| 982 | /* Read all entries from the microcode TXstatus FIFO |
| 983 | * and throw them away. |
| 984 | */ |
| 985 | while (1) { |
| 986 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_0); |
| 987 | if (!(dummy & 0x00000001)) |
| 988 | break; |
| 989 | dummy = b43_read32(dev, B43_MMIO_XMITSTAT_1); |
| 990 | } |
| 991 | } |
| 992 | |
| 993 | static u32 b43_jssi_read(struct b43_wldev *dev) |
| 994 | { |
| 995 | u32 val = 0; |
| 996 | |
| 997 | val = b43_shm_read16(dev, B43_SHM_SHARED, 0x08A); |
| 998 | val <<= 16; |
| 999 | val |= b43_shm_read16(dev, B43_SHM_SHARED, 0x088); |
| 1000 | |
| 1001 | return val; |
| 1002 | } |
| 1003 | |
| 1004 | static void b43_jssi_write(struct b43_wldev *dev, u32 jssi) |
| 1005 | { |
| 1006 | b43_shm_write16(dev, B43_SHM_SHARED, 0x088, (jssi & 0x0000FFFF)); |
| 1007 | b43_shm_write16(dev, B43_SHM_SHARED, 0x08A, (jssi & 0xFFFF0000) >> 16); |
| 1008 | } |
| 1009 | |
| 1010 | static void b43_generate_noise_sample(struct b43_wldev *dev) |
| 1011 | { |
| 1012 | b43_jssi_write(dev, 0x7F7F7F7F); |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1013 | b43_write32(dev, B43_MMIO_MACCMD, |
| 1014 | b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1015 | B43_WARN_ON(dev->noisecalc.channel_at_start != dev->phy.channel); |
| 1016 | } |
| 1017 | |
| 1018 | static void b43_calculate_link_quality(struct b43_wldev *dev) |
| 1019 | { |
| 1020 | /* Top half of Link Quality calculation. */ |
| 1021 | |
| 1022 | if (dev->noisecalc.calculation_running) |
| 1023 | return; |
| 1024 | dev->noisecalc.channel_at_start = dev->phy.channel; |
| 1025 | dev->noisecalc.calculation_running = 1; |
| 1026 | dev->noisecalc.nr_samples = 0; |
| 1027 | |
| 1028 | b43_generate_noise_sample(dev); |
| 1029 | } |
| 1030 | |
| 1031 | static void handle_irq_noise(struct b43_wldev *dev) |
| 1032 | { |
| 1033 | struct b43_phy *phy = &dev->phy; |
| 1034 | u16 tmp; |
| 1035 | u8 noise[4]; |
| 1036 | u8 i, j; |
| 1037 | s32 average; |
| 1038 | |
| 1039 | /* Bottom half of Link Quality calculation. */ |
| 1040 | |
| 1041 | B43_WARN_ON(!dev->noisecalc.calculation_running); |
| 1042 | if (dev->noisecalc.channel_at_start != phy->channel) |
| 1043 | goto drop_calculation; |
Michael Buesch | 1a09404 | 2007-09-20 11:13:40 -0700 | [diff] [blame] | 1044 | *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1045 | if (noise[0] == 0x7F || noise[1] == 0x7F || |
| 1046 | noise[2] == 0x7F || noise[3] == 0x7F) |
| 1047 | goto generate_new; |
| 1048 | |
| 1049 | /* Get the noise samples. */ |
| 1050 | B43_WARN_ON(dev->noisecalc.nr_samples >= 8); |
| 1051 | i = dev->noisecalc.nr_samples; |
| 1052 | noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1053 | noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1054 | noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1055 | noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(phy->nrssi_lt) - 1); |
| 1056 | dev->noisecalc.samples[i][0] = phy->nrssi_lt[noise[0]]; |
| 1057 | dev->noisecalc.samples[i][1] = phy->nrssi_lt[noise[1]]; |
| 1058 | dev->noisecalc.samples[i][2] = phy->nrssi_lt[noise[2]]; |
| 1059 | dev->noisecalc.samples[i][3] = phy->nrssi_lt[noise[3]]; |
| 1060 | dev->noisecalc.nr_samples++; |
| 1061 | if (dev->noisecalc.nr_samples == 8) { |
| 1062 | /* Calculate the Link Quality by the noise samples. */ |
| 1063 | average = 0; |
| 1064 | for (i = 0; i < 8; i++) { |
| 1065 | for (j = 0; j < 4; j++) |
| 1066 | average += dev->noisecalc.samples[i][j]; |
| 1067 | } |
| 1068 | average /= (8 * 4); |
| 1069 | average *= 125; |
| 1070 | average += 64; |
| 1071 | average /= 128; |
| 1072 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x40C); |
| 1073 | tmp = (tmp / 128) & 0x1F; |
| 1074 | if (tmp >= 8) |
| 1075 | average += 2; |
| 1076 | else |
| 1077 | average -= 25; |
| 1078 | if (tmp == 8) |
| 1079 | average -= 72; |
| 1080 | else |
| 1081 | average -= 48; |
| 1082 | |
| 1083 | dev->stats.link_noise = average; |
| 1084 | drop_calculation: |
| 1085 | dev->noisecalc.calculation_running = 0; |
| 1086 | return; |
| 1087 | } |
| 1088 | generate_new: |
| 1089 | b43_generate_noise_sample(dev); |
| 1090 | } |
| 1091 | |
| 1092 | static void handle_irq_tbtt_indication(struct b43_wldev *dev) |
| 1093 | { |
| 1094 | if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) { |
| 1095 | ///TODO: PS TBTT |
| 1096 | } else { |
| 1097 | if (1 /*FIXME: the last PSpoll frame was sent successfully */ ) |
| 1098 | b43_power_saving_ctl_bits(dev, 0); |
| 1099 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1100 | if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS)) |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1101 | dev->dfq_valid = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1102 | } |
| 1103 | |
| 1104 | static void handle_irq_atim_end(struct b43_wldev *dev) |
| 1105 | { |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 1106 | if (dev->dfq_valid) { |
| 1107 | b43_write32(dev, B43_MMIO_MACCMD, |
| 1108 | b43_read32(dev, B43_MMIO_MACCMD) |
| 1109 | | B43_MACCMD_DFQ_VALID); |
| 1110 | dev->dfq_valid = 0; |
| 1111 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | static void handle_irq_pmq(struct b43_wldev *dev) |
| 1115 | { |
| 1116 | u32 tmp; |
| 1117 | |
| 1118 | //TODO: AP mode. |
| 1119 | |
| 1120 | while (1) { |
| 1121 | tmp = b43_read32(dev, B43_MMIO_PS_STATUS); |
| 1122 | if (!(tmp & 0x00000008)) |
| 1123 | break; |
| 1124 | } |
| 1125 | /* 16bit write is odd, but correct. */ |
| 1126 | b43_write16(dev, B43_MMIO_PS_STATUS, 0x0002); |
| 1127 | } |
| 1128 | |
| 1129 | static void b43_write_template_common(struct b43_wldev *dev, |
| 1130 | const u8 * data, u16 size, |
| 1131 | u16 ram_offset, |
| 1132 | u16 shm_size_offset, u8 rate) |
| 1133 | { |
| 1134 | u32 i, tmp; |
| 1135 | struct b43_plcp_hdr4 plcp; |
| 1136 | |
| 1137 | plcp.data = 0; |
| 1138 | b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); |
| 1139 | b43_ram_write(dev, ram_offset, le32_to_cpu(plcp.data)); |
| 1140 | ram_offset += sizeof(u32); |
| 1141 | /* The PLCP is 6 bytes long, but we only wrote 4 bytes, yet. |
| 1142 | * So leave the first two bytes of the next write blank. |
| 1143 | */ |
| 1144 | tmp = (u32) (data[0]) << 16; |
| 1145 | tmp |= (u32) (data[1]) << 24; |
| 1146 | b43_ram_write(dev, ram_offset, tmp); |
| 1147 | ram_offset += sizeof(u32); |
| 1148 | for (i = 2; i < size; i += sizeof(u32)) { |
| 1149 | tmp = (u32) (data[i + 0]); |
| 1150 | if (i + 1 < size) |
| 1151 | tmp |= (u32) (data[i + 1]) << 8; |
| 1152 | if (i + 2 < size) |
| 1153 | tmp |= (u32) (data[i + 2]) << 16; |
| 1154 | if (i + 3 < size) |
| 1155 | tmp |= (u32) (data[i + 3]) << 24; |
| 1156 | b43_ram_write(dev, ram_offset + i - 2, tmp); |
| 1157 | } |
| 1158 | b43_shm_write16(dev, B43_SHM_SHARED, shm_size_offset, |
| 1159 | size + sizeof(struct b43_plcp_hdr6)); |
| 1160 | } |
| 1161 | |
| 1162 | static void b43_write_beacon_template(struct b43_wldev *dev, |
| 1163 | u16 ram_offset, |
| 1164 | u16 shm_size_offset, u8 rate) |
| 1165 | { |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1166 | unsigned int i, len, variable_len; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1167 | const struct ieee80211_mgmt *bcn; |
| 1168 | const u8 *ie; |
| 1169 | bool tim_found = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1170 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1171 | bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data); |
| 1172 | len = min((size_t) dev->wl->current_beacon->len, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1173 | 0x200 - sizeof(struct b43_plcp_hdr6)); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1174 | |
| 1175 | b43_write_template_common(dev, (const u8 *)bcn, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1176 | len, ram_offset, shm_size_offset, rate); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1177 | |
| 1178 | /* Find the position of the TIM and the DTIM_period value |
| 1179 | * and write them to SHM. */ |
| 1180 | ie = bcn->u.beacon.variable; |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1181 | variable_len = len - offsetof(struct ieee80211_mgmt, u.beacon.variable); |
| 1182 | for (i = 0; i < variable_len - 2; ) { |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1183 | uint8_t ie_id, ie_len; |
| 1184 | |
| 1185 | ie_id = ie[i]; |
| 1186 | ie_len = ie[i + 1]; |
| 1187 | if (ie_id == 5) { |
| 1188 | u16 tim_position; |
| 1189 | u16 dtim_period; |
| 1190 | /* This is the TIM Information Element */ |
| 1191 | |
| 1192 | /* Check whether the ie_len is in the beacon data range. */ |
Michael Buesch | 47f76ca | 2007-12-27 22:15:11 +0100 | [diff] [blame] | 1193 | if (variable_len < ie_len + 2 + i) |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1194 | break; |
| 1195 | /* A valid TIM is at least 4 bytes long. */ |
| 1196 | if (ie_len < 4) |
| 1197 | break; |
| 1198 | tim_found = 1; |
| 1199 | |
| 1200 | tim_position = sizeof(struct b43_plcp_hdr6); |
| 1201 | tim_position += offsetof(struct ieee80211_mgmt, u.beacon.variable); |
| 1202 | tim_position += i; |
| 1203 | |
| 1204 | dtim_period = ie[i + 3]; |
| 1205 | |
| 1206 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1207 | B43_SHM_SH_TIMBPOS, tim_position); |
| 1208 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 1209 | B43_SHM_SH_DTIMPER, dtim_period); |
| 1210 | break; |
| 1211 | } |
| 1212 | i += ie_len + 2; |
| 1213 | } |
| 1214 | if (!tim_found) { |
| 1215 | b43warn(dev->wl, "Did not find a valid TIM IE in " |
| 1216 | "the beacon template packet. AP or IBSS operation " |
| 1217 | "may be broken.\n"); |
| 1218 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1219 | } |
| 1220 | |
| 1221 | static void b43_write_probe_resp_plcp(struct b43_wldev *dev, |
| 1222 | u16 shm_offset, u16 size, u8 rate) |
| 1223 | { |
| 1224 | struct b43_plcp_hdr4 plcp; |
| 1225 | u32 tmp; |
| 1226 | __le16 dur; |
| 1227 | |
| 1228 | plcp.data = 0; |
| 1229 | b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); |
| 1230 | dur = ieee80211_generic_frame_duration(dev->wl->hw, |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 1231 | dev->wl->vif, size, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1232 | B43_RATE_TO_BASE100KBPS(rate)); |
| 1233 | /* Write PLCP in two parts and timing for packet transfer */ |
| 1234 | tmp = le32_to_cpu(plcp.data); |
| 1235 | b43_shm_write16(dev, B43_SHM_SHARED, shm_offset, tmp & 0xFFFF); |
| 1236 | b43_shm_write16(dev, B43_SHM_SHARED, shm_offset + 2, tmp >> 16); |
| 1237 | b43_shm_write16(dev, B43_SHM_SHARED, shm_offset + 6, le16_to_cpu(dur)); |
| 1238 | } |
| 1239 | |
| 1240 | /* Instead of using custom probe response template, this function |
| 1241 | * just patches custom beacon template by: |
| 1242 | * 1) Changing packet type |
| 1243 | * 2) Patching duration field |
| 1244 | * 3) Stripping TIM |
| 1245 | */ |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1246 | static const u8 * b43_generate_probe_resp(struct b43_wldev *dev, |
| 1247 | u16 *dest_size, u8 rate) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1248 | { |
| 1249 | const u8 *src_data; |
| 1250 | u8 *dest_data; |
| 1251 | u16 src_size, elem_size, src_pos, dest_pos; |
| 1252 | __le16 dur; |
| 1253 | struct ieee80211_hdr *hdr; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1254 | size_t ie_start; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1255 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1256 | src_size = dev->wl->current_beacon->len; |
| 1257 | src_data = (const u8 *)dev->wl->current_beacon->data; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1258 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1259 | /* Get the start offset of the variable IEs in the packet. */ |
| 1260 | ie_start = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); |
| 1261 | B43_WARN_ON(ie_start != offsetof(struct ieee80211_mgmt, u.beacon.variable)); |
| 1262 | |
| 1263 | if (B43_WARN_ON(src_size < ie_start)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1264 | return NULL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1265 | |
| 1266 | dest_data = kmalloc(src_size, GFP_ATOMIC); |
| 1267 | if (unlikely(!dest_data)) |
| 1268 | return NULL; |
| 1269 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1270 | /* Copy the static data and all Information Elements, except the TIM. */ |
| 1271 | memcpy(dest_data, src_data, ie_start); |
| 1272 | src_pos = ie_start; |
| 1273 | dest_pos = ie_start; |
| 1274 | for ( ; src_pos < src_size - 2; src_pos += elem_size) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1275 | elem_size = src_data[src_pos + 1] + 2; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1276 | if (src_data[src_pos] == 5) { |
| 1277 | /* This is the TIM. */ |
| 1278 | continue; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1279 | } |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1280 | memcpy(dest_data + dest_pos, src_data + src_pos, |
| 1281 | elem_size); |
| 1282 | dest_pos += elem_size; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1283 | } |
| 1284 | *dest_size = dest_pos; |
| 1285 | hdr = (struct ieee80211_hdr *)dest_data; |
| 1286 | |
| 1287 | /* Set the frame control. */ |
| 1288 | hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | |
| 1289 | IEEE80211_STYPE_PROBE_RESP); |
| 1290 | dur = ieee80211_generic_frame_duration(dev->wl->hw, |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 1291 | dev->wl->vif, *dest_size, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1292 | B43_RATE_TO_BASE100KBPS(rate)); |
| 1293 | hdr->duration_id = dur; |
| 1294 | |
| 1295 | return dest_data; |
| 1296 | } |
| 1297 | |
| 1298 | static void b43_write_probe_resp_template(struct b43_wldev *dev, |
| 1299 | u16 ram_offset, |
| 1300 | u16 shm_size_offset, u8 rate) |
| 1301 | { |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1302 | const u8 *probe_resp_data; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1303 | u16 size; |
| 1304 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1305 | size = dev->wl->current_beacon->len; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1306 | probe_resp_data = b43_generate_probe_resp(dev, &size, rate); |
| 1307 | if (unlikely(!probe_resp_data)) |
| 1308 | return; |
| 1309 | |
| 1310 | /* Looks like PLCP headers plus packet timings are stored for |
| 1311 | * all possible basic rates |
| 1312 | */ |
| 1313 | b43_write_probe_resp_plcp(dev, 0x31A, size, B43_CCK_RATE_1MB); |
| 1314 | b43_write_probe_resp_plcp(dev, 0x32C, size, B43_CCK_RATE_2MB); |
| 1315 | b43_write_probe_resp_plcp(dev, 0x33E, size, B43_CCK_RATE_5MB); |
| 1316 | b43_write_probe_resp_plcp(dev, 0x350, size, B43_CCK_RATE_11MB); |
| 1317 | |
| 1318 | size = min((size_t) size, 0x200 - sizeof(struct b43_plcp_hdr6)); |
| 1319 | b43_write_template_common(dev, probe_resp_data, |
| 1320 | size, ram_offset, shm_size_offset, rate); |
| 1321 | kfree(probe_resp_data); |
| 1322 | } |
| 1323 | |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 1324 | /* Asynchronously update the packet templates in template RAM. |
| 1325 | * Locking: Requires wl->irq_lock to be locked. */ |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1326 | static void b43_update_templates(struct b43_wl *wl, struct sk_buff *beacon) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1327 | { |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1328 | /* This is the top half of the ansynchronous beacon update. |
| 1329 | * The bottom half is the beacon IRQ. |
| 1330 | * Beacon update must be asynchronous to avoid sending an |
| 1331 | * invalid beacon. This can happen for example, if the firmware |
| 1332 | * transmits a beacon while we are updating it. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1333 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1334 | if (wl->current_beacon) |
| 1335 | dev_kfree_skb_any(wl->current_beacon); |
| 1336 | wl->current_beacon = beacon; |
| 1337 | wl->beacon0_uploaded = 0; |
| 1338 | wl->beacon1_uploaded = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1339 | } |
| 1340 | |
| 1341 | static void b43_set_ssid(struct b43_wldev *dev, const u8 * ssid, u8 ssid_len) |
| 1342 | { |
| 1343 | u32 tmp; |
| 1344 | u16 i, len; |
| 1345 | |
| 1346 | len = min((u16) ssid_len, (u16) 0x100); |
| 1347 | for (i = 0; i < len; i += sizeof(u32)) { |
| 1348 | tmp = (u32) (ssid[i + 0]); |
| 1349 | if (i + 1 < len) |
| 1350 | tmp |= (u32) (ssid[i + 1]) << 8; |
| 1351 | if (i + 2 < len) |
| 1352 | tmp |= (u32) (ssid[i + 2]) << 16; |
| 1353 | if (i + 3 < len) |
| 1354 | tmp |= (u32) (ssid[i + 3]) << 24; |
| 1355 | b43_shm_write32(dev, B43_SHM_SHARED, 0x380 + i, tmp); |
| 1356 | } |
| 1357 | b43_shm_write16(dev, B43_SHM_SHARED, 0x48, len); |
| 1358 | } |
| 1359 | |
| 1360 | static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int) |
| 1361 | { |
| 1362 | b43_time_lock(dev); |
| 1363 | if (dev->dev->id.revision >= 3) { |
| 1364 | b43_write32(dev, 0x188, (beacon_int << 16)); |
| 1365 | } else { |
| 1366 | b43_write16(dev, 0x606, (beacon_int >> 6)); |
| 1367 | b43_write16(dev, 0x610, beacon_int); |
| 1368 | } |
| 1369 | b43_time_unlock(dev); |
| 1370 | } |
| 1371 | |
| 1372 | static void handle_irq_beacon(struct b43_wldev *dev) |
| 1373 | { |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1374 | struct b43_wl *wl = dev->wl; |
| 1375 | u32 cmd; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1376 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1377 | if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1378 | return; |
| 1379 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1380 | /* This is the bottom half of the asynchronous beacon update. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1381 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1382 | cmd = b43_read32(dev, B43_MMIO_MACCMD); |
| 1383 | if (!(cmd & B43_MACCMD_BEACON0_VALID)) { |
| 1384 | if (!wl->beacon0_uploaded) { |
| 1385 | b43_write_beacon_template(dev, 0x68, 0x18, |
| 1386 | B43_CCK_RATE_1MB); |
| 1387 | b43_write_probe_resp_template(dev, 0x268, 0x4A, |
| 1388 | B43_CCK_RATE_11MB); |
| 1389 | wl->beacon0_uploaded = 1; |
| 1390 | } |
| 1391 | cmd |= B43_MACCMD_BEACON0_VALID; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1392 | } |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1393 | if (!(cmd & B43_MACCMD_BEACON1_VALID)) { |
| 1394 | if (!wl->beacon1_uploaded) { |
| 1395 | b43_write_beacon_template(dev, 0x468, 0x1A, |
| 1396 | B43_CCK_RATE_1MB); |
| 1397 | wl->beacon1_uploaded = 1; |
| 1398 | } |
| 1399 | cmd |= B43_MACCMD_BEACON1_VALID; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1400 | } |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 1401 | b43_write32(dev, B43_MMIO_MACCMD, cmd); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1402 | } |
| 1403 | |
| 1404 | static void handle_irq_ucode_debug(struct b43_wldev *dev) |
| 1405 | { |
| 1406 | //TODO |
| 1407 | } |
| 1408 | |
| 1409 | /* Interrupt handler bottom-half */ |
| 1410 | static void b43_interrupt_tasklet(struct b43_wldev *dev) |
| 1411 | { |
| 1412 | u32 reason; |
| 1413 | u32 dma_reason[ARRAY_SIZE(dev->dma_reason)]; |
| 1414 | u32 merged_dma_reason = 0; |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1415 | int i; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1416 | unsigned long flags; |
| 1417 | |
| 1418 | spin_lock_irqsave(&dev->wl->irq_lock, flags); |
| 1419 | |
| 1420 | B43_WARN_ON(b43_status(dev) != B43_STAT_STARTED); |
| 1421 | |
| 1422 | reason = dev->irq_reason; |
| 1423 | for (i = 0; i < ARRAY_SIZE(dma_reason); i++) { |
| 1424 | dma_reason[i] = dev->dma_reason[i]; |
| 1425 | merged_dma_reason |= dma_reason[i]; |
| 1426 | } |
| 1427 | |
| 1428 | if (unlikely(reason & B43_IRQ_MAC_TXERR)) |
| 1429 | b43err(dev->wl, "MAC transmission error\n"); |
| 1430 | |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 1431 | if (unlikely(reason & B43_IRQ_PHY_TXERR)) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1432 | b43err(dev->wl, "PHY transmission error\n"); |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 1433 | rmb(); |
| 1434 | if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) { |
| 1435 | atomic_set(&dev->phy.txerr_cnt, |
| 1436 | B43_PHY_TX_BADNESS_LIMIT); |
| 1437 | b43err(dev->wl, "Too many PHY TX errors, " |
| 1438 | "restarting the controller\n"); |
| 1439 | b43_controller_restart(dev, "PHY TX errors"); |
| 1440 | } |
| 1441 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1442 | |
| 1443 | if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK | |
| 1444 | B43_DMAIRQ_NONFATALMASK))) { |
| 1445 | if (merged_dma_reason & B43_DMAIRQ_FATALMASK) { |
| 1446 | b43err(dev->wl, "Fatal DMA error: " |
| 1447 | "0x%08X, 0x%08X, 0x%08X, " |
| 1448 | "0x%08X, 0x%08X, 0x%08X\n", |
| 1449 | dma_reason[0], dma_reason[1], |
| 1450 | dma_reason[2], dma_reason[3], |
| 1451 | dma_reason[4], dma_reason[5]); |
| 1452 | b43_controller_restart(dev, "DMA error"); |
| 1453 | mmiowb(); |
| 1454 | spin_unlock_irqrestore(&dev->wl->irq_lock, flags); |
| 1455 | return; |
| 1456 | } |
| 1457 | if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) { |
| 1458 | b43err(dev->wl, "DMA error: " |
| 1459 | "0x%08X, 0x%08X, 0x%08X, " |
| 1460 | "0x%08X, 0x%08X, 0x%08X\n", |
| 1461 | dma_reason[0], dma_reason[1], |
| 1462 | dma_reason[2], dma_reason[3], |
| 1463 | dma_reason[4], dma_reason[5]); |
| 1464 | } |
| 1465 | } |
| 1466 | |
| 1467 | if (unlikely(reason & B43_IRQ_UCODE_DEBUG)) |
| 1468 | handle_irq_ucode_debug(dev); |
| 1469 | if (reason & B43_IRQ_TBTT_INDI) |
| 1470 | handle_irq_tbtt_indication(dev); |
| 1471 | if (reason & B43_IRQ_ATIM_END) |
| 1472 | handle_irq_atim_end(dev); |
| 1473 | if (reason & B43_IRQ_BEACON) |
| 1474 | handle_irq_beacon(dev); |
| 1475 | if (reason & B43_IRQ_PMQ) |
| 1476 | handle_irq_pmq(dev); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1477 | if (reason & B43_IRQ_TXFIFO_FLUSH_OK) |
| 1478 | ;/* TODO */ |
| 1479 | if (reason & B43_IRQ_NOISESAMPLE_OK) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1480 | handle_irq_noise(dev); |
| 1481 | |
| 1482 | /* Check the DMA reason registers for received data. */ |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 1483 | if (dma_reason[0] & B43_DMAIRQ_RX_DONE) |
| 1484 | b43_dma_rx(dev->dma.rx_ring0); |
| 1485 | if (dma_reason[3] & B43_DMAIRQ_RX_DONE) |
| 1486 | b43_dma_rx(dev->dma.rx_ring3); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1487 | B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE); |
| 1488 | B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1489 | B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE); |
| 1490 | B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE); |
| 1491 | |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 1492 | if (reason & B43_IRQ_TX_OK) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1493 | handle_irq_transmit_status(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1494 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1495 | b43_interrupt_enable(dev, dev->irq_savedstate); |
| 1496 | mmiowb(); |
| 1497 | spin_unlock_irqrestore(&dev->wl->irq_lock, flags); |
| 1498 | } |
| 1499 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1500 | static void b43_interrupt_ack(struct b43_wldev *dev, u32 reason) |
| 1501 | { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1502 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, reason); |
| 1503 | |
| 1504 | b43_write32(dev, B43_MMIO_DMA0_REASON, dev->dma_reason[0]); |
| 1505 | b43_write32(dev, B43_MMIO_DMA1_REASON, dev->dma_reason[1]); |
| 1506 | b43_write32(dev, B43_MMIO_DMA2_REASON, dev->dma_reason[2]); |
| 1507 | b43_write32(dev, B43_MMIO_DMA3_REASON, dev->dma_reason[3]); |
| 1508 | b43_write32(dev, B43_MMIO_DMA4_REASON, dev->dma_reason[4]); |
| 1509 | b43_write32(dev, B43_MMIO_DMA5_REASON, dev->dma_reason[5]); |
| 1510 | } |
| 1511 | |
| 1512 | /* Interrupt handler top-half */ |
| 1513 | static irqreturn_t b43_interrupt_handler(int irq, void *dev_id) |
| 1514 | { |
| 1515 | irqreturn_t ret = IRQ_NONE; |
| 1516 | struct b43_wldev *dev = dev_id; |
| 1517 | u32 reason; |
| 1518 | |
| 1519 | if (!dev) |
| 1520 | return IRQ_NONE; |
| 1521 | |
| 1522 | spin_lock(&dev->wl->irq_lock); |
| 1523 | |
| 1524 | if (b43_status(dev) < B43_STAT_STARTED) |
| 1525 | goto out; |
| 1526 | reason = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 1527 | if (reason == 0xffffffff) /* shared IRQ */ |
| 1528 | goto out; |
| 1529 | ret = IRQ_HANDLED; |
| 1530 | reason &= b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); |
| 1531 | if (!reason) |
| 1532 | goto out; |
| 1533 | |
| 1534 | dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON) |
| 1535 | & 0x0001DC00; |
| 1536 | dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON) |
| 1537 | & 0x0000DC00; |
| 1538 | dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON) |
| 1539 | & 0x0000DC00; |
| 1540 | dev->dma_reason[3] = b43_read32(dev, B43_MMIO_DMA3_REASON) |
| 1541 | & 0x0001DC00; |
| 1542 | dev->dma_reason[4] = b43_read32(dev, B43_MMIO_DMA4_REASON) |
| 1543 | & 0x0000DC00; |
| 1544 | dev->dma_reason[5] = b43_read32(dev, B43_MMIO_DMA5_REASON) |
| 1545 | & 0x0000DC00; |
| 1546 | |
| 1547 | b43_interrupt_ack(dev, reason); |
| 1548 | /* disable all IRQs. They are enabled again in the bottom half. */ |
| 1549 | dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL); |
| 1550 | /* save the reason code and call our bottom half. */ |
| 1551 | dev->irq_reason = reason; |
| 1552 | tasklet_schedule(&dev->isr_tasklet); |
| 1553 | out: |
| 1554 | mmiowb(); |
| 1555 | spin_unlock(&dev->wl->irq_lock); |
| 1556 | |
| 1557 | return ret; |
| 1558 | } |
| 1559 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1560 | static void do_release_fw(struct b43_firmware_file *fw) |
| 1561 | { |
| 1562 | release_firmware(fw->data); |
| 1563 | fw->data = NULL; |
| 1564 | fw->filename = NULL; |
| 1565 | } |
| 1566 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1567 | static void b43_release_firmware(struct b43_wldev *dev) |
| 1568 | { |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1569 | do_release_fw(&dev->fw.ucode); |
| 1570 | do_release_fw(&dev->fw.pcm); |
| 1571 | do_release_fw(&dev->fw.initvals); |
| 1572 | do_release_fw(&dev->fw.initvals_band); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1573 | } |
| 1574 | |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1575 | static void b43_print_fw_helptext(struct b43_wl *wl, bool error) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1576 | { |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1577 | const char *text; |
| 1578 | |
| 1579 | text = "You must go to " |
Stefano Brivio | 354807e | 2007-11-19 20:21:31 +0100 | [diff] [blame] | 1580 | "http://linuxwireless.org/en/users/Drivers/b43#devicefirmware " |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1581 | "and download the latest firmware (version 4).\n"; |
| 1582 | if (error) |
| 1583 | b43err(wl, text); |
| 1584 | else |
| 1585 | b43warn(wl, text); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1586 | } |
| 1587 | |
| 1588 | static int do_request_fw(struct b43_wldev *dev, |
| 1589 | const char *name, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1590 | struct b43_firmware_file *fw) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1591 | { |
Michael Buesch | 1a09404 | 2007-09-20 11:13:40 -0700 | [diff] [blame] | 1592 | char path[sizeof(modparam_fwpostfix) + 32]; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1593 | const struct firmware *blob; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1594 | struct b43_fw_header *hdr; |
| 1595 | u32 size; |
| 1596 | int err; |
| 1597 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1598 | if (!name) { |
| 1599 | /* Don't fetch anything. Free possibly cached firmware. */ |
| 1600 | do_release_fw(fw); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1601 | return 0; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1602 | } |
| 1603 | if (fw->filename) { |
| 1604 | if (strcmp(fw->filename, name) == 0) |
| 1605 | return 0; /* Already have this fw. */ |
| 1606 | /* Free the cached firmware first. */ |
| 1607 | do_release_fw(fw); |
| 1608 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1609 | |
| 1610 | snprintf(path, ARRAY_SIZE(path), |
| 1611 | "b43%s/%s.fw", |
| 1612 | modparam_fwpostfix, name); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1613 | err = request_firmware(&blob, path, dev->dev->dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1614 | if (err) { |
| 1615 | b43err(dev->wl, "Firmware file \"%s\" not found " |
| 1616 | "or load failed.\n", path); |
| 1617 | return err; |
| 1618 | } |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1619 | if (blob->size < sizeof(struct b43_fw_header)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1620 | goto err_format; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1621 | hdr = (struct b43_fw_header *)(blob->data); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1622 | switch (hdr->type) { |
| 1623 | case B43_FW_TYPE_UCODE: |
| 1624 | case B43_FW_TYPE_PCM: |
| 1625 | size = be32_to_cpu(hdr->size); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1626 | if (size != blob->size - sizeof(struct b43_fw_header)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1627 | goto err_format; |
| 1628 | /* fallthrough */ |
| 1629 | case B43_FW_TYPE_IV: |
| 1630 | if (hdr->ver != 1) |
| 1631 | goto err_format; |
| 1632 | break; |
| 1633 | default: |
| 1634 | goto err_format; |
| 1635 | } |
| 1636 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1637 | fw->data = blob; |
| 1638 | fw->filename = name; |
| 1639 | |
| 1640 | return 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1641 | |
| 1642 | err_format: |
| 1643 | b43err(dev->wl, "Firmware file \"%s\" format error.\n", path); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1644 | release_firmware(blob); |
| 1645 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1646 | return -EPROTO; |
| 1647 | } |
| 1648 | |
| 1649 | static int b43_request_firmware(struct b43_wldev *dev) |
| 1650 | { |
| 1651 | struct b43_firmware *fw = &dev->fw; |
| 1652 | const u8 rev = dev->dev->id.revision; |
| 1653 | const char *filename; |
| 1654 | u32 tmshigh; |
| 1655 | int err; |
| 1656 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1657 | /* Get microcode */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1658 | tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH); |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1659 | if ((rev >= 5) && (rev <= 10)) |
| 1660 | filename = "ucode5"; |
| 1661 | else if ((rev >= 11) && (rev <= 12)) |
| 1662 | filename = "ucode11"; |
| 1663 | else if (rev >= 13) |
| 1664 | filename = "ucode13"; |
| 1665 | else |
| 1666 | goto err_no_ucode; |
| 1667 | err = do_request_fw(dev, filename, &fw->ucode); |
| 1668 | if (err) |
| 1669 | goto err_load; |
| 1670 | |
| 1671 | /* Get PCM code */ |
| 1672 | if ((rev >= 5) && (rev <= 10)) |
| 1673 | filename = "pcm5"; |
| 1674 | else if (rev >= 11) |
| 1675 | filename = NULL; |
| 1676 | else |
| 1677 | goto err_no_pcm; |
| 1678 | err = do_request_fw(dev, filename, &fw->pcm); |
| 1679 | if (err) |
| 1680 | goto err_load; |
| 1681 | |
| 1682 | /* Get initvals */ |
| 1683 | switch (dev->phy.type) { |
| 1684 | case B43_PHYTYPE_A: |
| 1685 | if ((rev >= 5) && (rev <= 10)) { |
| 1686 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
| 1687 | filename = "a0g1initvals5"; |
| 1688 | else |
| 1689 | filename = "a0g0initvals5"; |
| 1690 | } else |
| 1691 | goto err_no_initvals; |
| 1692 | break; |
| 1693 | case B43_PHYTYPE_G: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1694 | if ((rev >= 5) && (rev <= 10)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1695 | filename = "b0g0initvals5"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1696 | else if (rev >= 13) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1697 | filename = "lp0initvals13"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1698 | else |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1699 | goto err_no_initvals; |
| 1700 | break; |
| 1701 | case B43_PHYTYPE_N: |
| 1702 | if ((rev >= 11) && (rev <= 12)) |
| 1703 | filename = "n0initvals11"; |
| 1704 | else |
| 1705 | goto err_no_initvals; |
| 1706 | break; |
| 1707 | default: |
| 1708 | goto err_no_initvals; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1709 | } |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1710 | err = do_request_fw(dev, filename, &fw->initvals); |
| 1711 | if (err) |
| 1712 | goto err_load; |
| 1713 | |
| 1714 | /* Get bandswitch initvals */ |
| 1715 | switch (dev->phy.type) { |
| 1716 | case B43_PHYTYPE_A: |
| 1717 | if ((rev >= 5) && (rev <= 10)) { |
| 1718 | if (tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY) |
| 1719 | filename = "a0g1bsinitvals5"; |
| 1720 | else |
| 1721 | filename = "a0g0bsinitvals5"; |
| 1722 | } else if (rev >= 11) |
| 1723 | filename = NULL; |
| 1724 | else |
| 1725 | goto err_no_initvals; |
| 1726 | break; |
| 1727 | case B43_PHYTYPE_G: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1728 | if ((rev >= 5) && (rev <= 10)) |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1729 | filename = "b0g0bsinitvals5"; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1730 | else if (rev >= 11) |
| 1731 | filename = NULL; |
| 1732 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1733 | goto err_no_initvals; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1734 | break; |
| 1735 | case B43_PHYTYPE_N: |
| 1736 | if ((rev >= 11) && (rev <= 12)) |
| 1737 | filename = "n0bsinitvals11"; |
| 1738 | else |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1739 | goto err_no_initvals; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1740 | break; |
| 1741 | default: |
| 1742 | goto err_no_initvals; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1743 | } |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1744 | err = do_request_fw(dev, filename, &fw->initvals_band); |
| 1745 | if (err) |
| 1746 | goto err_load; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1747 | |
| 1748 | return 0; |
| 1749 | |
| 1750 | err_load: |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1751 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1752 | goto error; |
| 1753 | |
| 1754 | err_no_ucode: |
| 1755 | err = -ENODEV; |
| 1756 | b43err(dev->wl, "No microcode available for core rev %u\n", rev); |
| 1757 | goto error; |
| 1758 | |
| 1759 | err_no_pcm: |
| 1760 | err = -ENODEV; |
| 1761 | b43err(dev->wl, "No PCM available for core rev %u\n", rev); |
| 1762 | goto error; |
| 1763 | |
| 1764 | err_no_initvals: |
| 1765 | err = -ENODEV; |
| 1766 | b43err(dev->wl, "No Initial Values firmware file for PHY %u, " |
| 1767 | "core rev %u\n", dev->phy.type, rev); |
| 1768 | goto error; |
| 1769 | |
| 1770 | error: |
| 1771 | b43_release_firmware(dev); |
| 1772 | return err; |
| 1773 | } |
| 1774 | |
| 1775 | static int b43_upload_microcode(struct b43_wldev *dev) |
| 1776 | { |
| 1777 | const size_t hdr_len = sizeof(struct b43_fw_header); |
| 1778 | const __be32 *data; |
| 1779 | unsigned int i, len; |
| 1780 | u16 fwrev, fwpatch, fwdate, fwtime; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1781 | u32 tmp, macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1782 | int err = 0; |
| 1783 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1784 | /* Jump the microcode PSM to offset 0 */ |
| 1785 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1786 | B43_WARN_ON(macctl & B43_MACCTL_PSM_RUN); |
| 1787 | macctl |= B43_MACCTL_PSM_JMP0; |
| 1788 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 1789 | /* Zero out all microcode PSM registers and shared memory. */ |
| 1790 | for (i = 0; i < 64; i++) |
| 1791 | b43_shm_write16(dev, B43_SHM_SCRATCH, i, 0); |
| 1792 | for (i = 0; i < 4096; i += 2) |
| 1793 | b43_shm_write16(dev, B43_SHM_SHARED, i, 0); |
| 1794 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1795 | /* Upload Microcode. */ |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1796 | data = (__be32 *) (dev->fw.ucode.data->data + hdr_len); |
| 1797 | len = (dev->fw.ucode.data->size - hdr_len) / sizeof(__be32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1798 | b43_shm_control_word(dev, B43_SHM_UCODE | B43_SHM_AUTOINC_W, 0x0000); |
| 1799 | for (i = 0; i < len; i++) { |
| 1800 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); |
| 1801 | udelay(10); |
| 1802 | } |
| 1803 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1804 | if (dev->fw.pcm.data) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1805 | /* Upload PCM data. */ |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1806 | data = (__be32 *) (dev->fw.pcm.data->data + hdr_len); |
| 1807 | len = (dev->fw.pcm.data->size - hdr_len) / sizeof(__be32); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1808 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EA); |
| 1809 | b43_write32(dev, B43_MMIO_SHM_DATA, 0x00004000); |
| 1810 | /* No need for autoinc bit in SHM_HW */ |
| 1811 | b43_shm_control_word(dev, B43_SHM_HW, 0x01EB); |
| 1812 | for (i = 0; i < len; i++) { |
| 1813 | b43_write32(dev, B43_MMIO_SHM_DATA, be32_to_cpu(data[i])); |
| 1814 | udelay(10); |
| 1815 | } |
| 1816 | } |
| 1817 | |
| 1818 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_ALL); |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1819 | |
| 1820 | /* Start the microcode PSM */ |
| 1821 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1822 | macctl &= ~B43_MACCTL_PSM_JMP0; |
| 1823 | macctl |= B43_MACCTL_PSM_RUN; |
| 1824 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1825 | |
| 1826 | /* Wait for the microcode to load and respond */ |
| 1827 | i = 0; |
| 1828 | while (1) { |
| 1829 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 1830 | if (tmp == B43_IRQ_MAC_SUSPENDED) |
| 1831 | break; |
| 1832 | i++; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1833 | if (i >= 20) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1834 | b43err(dev->wl, "Microcode not responding\n"); |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1835 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1836 | err = -ENODEV; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1837 | goto error; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1838 | } |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1839 | msleep_interruptible(50); |
| 1840 | if (signal_pending(current)) { |
| 1841 | err = -EINTR; |
| 1842 | goto error; |
| 1843 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1844 | } |
| 1845 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */ |
| 1846 | |
| 1847 | /* Get and check the revisions. */ |
| 1848 | fwrev = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEREV); |
| 1849 | fwpatch = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEPATCH); |
| 1850 | fwdate = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODEDATE); |
| 1851 | fwtime = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_UCODETIME); |
| 1852 | |
| 1853 | if (fwrev <= 0x128) { |
| 1854 | b43err(dev->wl, "YOUR FIRMWARE IS TOO OLD. Firmware from " |
| 1855 | "binary drivers older than version 4.x is unsupported. " |
| 1856 | "You must upgrade your firmware files.\n"); |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1857 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1858 | err = -EOPNOTSUPP; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1859 | goto error; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1860 | } |
| 1861 | b43dbg(dev->wl, "Loading firmware version %u.%u " |
| 1862 | "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", |
| 1863 | fwrev, fwpatch, |
| 1864 | (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF, |
| 1865 | (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F); |
| 1866 | |
| 1867 | dev->fw.rev = fwrev; |
| 1868 | dev->fw.patch = fwpatch; |
| 1869 | |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1870 | if (b43_is_old_txhdr_format(dev)) { |
| 1871 | b43warn(dev->wl, "You are using an old firmware image. " |
| 1872 | "Support for old firmware will be removed in July 2008.\n"); |
| 1873 | b43_print_fw_helptext(dev->wl, 0); |
| 1874 | } |
| 1875 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 1876 | return 0; |
| 1877 | |
| 1878 | error: |
| 1879 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 1880 | macctl &= ~B43_MACCTL_PSM_RUN; |
| 1881 | macctl |= B43_MACCTL_PSM_JMP0; |
| 1882 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 1883 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1884 | return err; |
| 1885 | } |
| 1886 | |
| 1887 | static int b43_write_initvals(struct b43_wldev *dev, |
| 1888 | const struct b43_iv *ivals, |
| 1889 | size_t count, |
| 1890 | size_t array_size) |
| 1891 | { |
| 1892 | const struct b43_iv *iv; |
| 1893 | u16 offset; |
| 1894 | size_t i; |
| 1895 | bool bit32; |
| 1896 | |
| 1897 | BUILD_BUG_ON(sizeof(struct b43_iv) != 6); |
| 1898 | iv = ivals; |
| 1899 | for (i = 0; i < count; i++) { |
| 1900 | if (array_size < sizeof(iv->offset_size)) |
| 1901 | goto err_format; |
| 1902 | array_size -= sizeof(iv->offset_size); |
| 1903 | offset = be16_to_cpu(iv->offset_size); |
| 1904 | bit32 = !!(offset & B43_IV_32BIT); |
| 1905 | offset &= B43_IV_OFFSET_MASK; |
| 1906 | if (offset >= 0x1000) |
| 1907 | goto err_format; |
| 1908 | if (bit32) { |
| 1909 | u32 value; |
| 1910 | |
| 1911 | if (array_size < sizeof(iv->data.d32)) |
| 1912 | goto err_format; |
| 1913 | array_size -= sizeof(iv->data.d32); |
| 1914 | |
| 1915 | value = be32_to_cpu(get_unaligned(&iv->data.d32)); |
| 1916 | b43_write32(dev, offset, value); |
| 1917 | |
| 1918 | iv = (const struct b43_iv *)((const uint8_t *)iv + |
| 1919 | sizeof(__be16) + |
| 1920 | sizeof(__be32)); |
| 1921 | } else { |
| 1922 | u16 value; |
| 1923 | |
| 1924 | if (array_size < sizeof(iv->data.d16)) |
| 1925 | goto err_format; |
| 1926 | array_size -= sizeof(iv->data.d16); |
| 1927 | |
| 1928 | value = be16_to_cpu(iv->data.d16); |
| 1929 | b43_write16(dev, offset, value); |
| 1930 | |
| 1931 | iv = (const struct b43_iv *)((const uint8_t *)iv + |
| 1932 | sizeof(__be16) + |
| 1933 | sizeof(__be16)); |
| 1934 | } |
| 1935 | } |
| 1936 | if (array_size) |
| 1937 | goto err_format; |
| 1938 | |
| 1939 | return 0; |
| 1940 | |
| 1941 | err_format: |
| 1942 | b43err(dev->wl, "Initial Values Firmware file-format error.\n"); |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 1943 | b43_print_fw_helptext(dev->wl, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1944 | |
| 1945 | return -EPROTO; |
| 1946 | } |
| 1947 | |
| 1948 | static int b43_upload_initvals(struct b43_wldev *dev) |
| 1949 | { |
| 1950 | const size_t hdr_len = sizeof(struct b43_fw_header); |
| 1951 | const struct b43_fw_header *hdr; |
| 1952 | struct b43_firmware *fw = &dev->fw; |
| 1953 | const struct b43_iv *ivals; |
| 1954 | size_t count; |
| 1955 | int err; |
| 1956 | |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1957 | hdr = (const struct b43_fw_header *)(fw->initvals.data->data); |
| 1958 | ivals = (const struct b43_iv *)(fw->initvals.data->data + hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1959 | count = be32_to_cpu(hdr->size); |
| 1960 | err = b43_write_initvals(dev, ivals, count, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1961 | fw->initvals.data->size - hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1962 | if (err) |
| 1963 | goto out; |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1964 | if (fw->initvals_band.data) { |
| 1965 | hdr = (const struct b43_fw_header *)(fw->initvals_band.data->data); |
| 1966 | ivals = (const struct b43_iv *)(fw->initvals_band.data->data + hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1967 | count = be32_to_cpu(hdr->size); |
| 1968 | err = b43_write_initvals(dev, ivals, count, |
Michael Buesch | 61cb5dd | 2008-01-21 19:55:09 +0100 | [diff] [blame] | 1969 | fw->initvals_band.data->size - hdr_len); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1970 | if (err) |
| 1971 | goto out; |
| 1972 | } |
| 1973 | out: |
| 1974 | |
| 1975 | return err; |
| 1976 | } |
| 1977 | |
| 1978 | /* Initialize the GPIOs |
| 1979 | * http://bcm-specs.sipsolutions.net/GPIO |
| 1980 | */ |
| 1981 | static int b43_gpio_init(struct b43_wldev *dev) |
| 1982 | { |
| 1983 | struct ssb_bus *bus = dev->dev->bus; |
| 1984 | struct ssb_device *gpiodev, *pcidev = NULL; |
| 1985 | u32 mask, set; |
| 1986 | |
| 1987 | b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) |
| 1988 | & ~B43_MACCTL_GPOUTSMSK); |
| 1989 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 1990 | b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 1991 | | 0x000F); |
| 1992 | |
| 1993 | mask = 0x0000001F; |
| 1994 | set = 0x0000000F; |
| 1995 | if (dev->dev->bus->chip_id == 0x4301) { |
| 1996 | mask |= 0x0060; |
| 1997 | set |= 0x0060; |
| 1998 | } |
| 1999 | if (0 /* FIXME: conditional unknown */ ) { |
| 2000 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
| 2001 | b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2002 | | 0x0100); |
| 2003 | mask |= 0x0180; |
| 2004 | set |= 0x0180; |
| 2005 | } |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 2006 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2007 | b43_write16(dev, B43_MMIO_GPIO_MASK, |
| 2008 | b43_read16(dev, B43_MMIO_GPIO_MASK) |
| 2009 | | 0x0200); |
| 2010 | mask |= 0x0200; |
| 2011 | set |= 0x0200; |
| 2012 | } |
| 2013 | if (dev->dev->id.revision >= 2) |
| 2014 | mask |= 0x0010; /* FIXME: This is redundant. */ |
| 2015 | |
| 2016 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 2017 | pcidev = bus->pcicore.dev; |
| 2018 | #endif |
| 2019 | gpiodev = bus->chipco.dev ? : pcidev; |
| 2020 | if (!gpiodev) |
| 2021 | return 0; |
| 2022 | ssb_write32(gpiodev, B43_GPIO_CONTROL, |
| 2023 | (ssb_read32(gpiodev, B43_GPIO_CONTROL) |
| 2024 | & mask) | set); |
| 2025 | |
| 2026 | return 0; |
| 2027 | } |
| 2028 | |
| 2029 | /* Turn off all GPIO stuff. Call this on module unload, for example. */ |
| 2030 | static void b43_gpio_cleanup(struct b43_wldev *dev) |
| 2031 | { |
| 2032 | struct ssb_bus *bus = dev->dev->bus; |
| 2033 | struct ssb_device *gpiodev, *pcidev = NULL; |
| 2034 | |
| 2035 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 2036 | pcidev = bus->pcicore.dev; |
| 2037 | #endif |
| 2038 | gpiodev = bus->chipco.dev ? : pcidev; |
| 2039 | if (!gpiodev) |
| 2040 | return; |
| 2041 | ssb_write32(gpiodev, B43_GPIO_CONTROL, 0); |
| 2042 | } |
| 2043 | |
| 2044 | /* http://bcm-specs.sipsolutions.net/EnableMac */ |
| 2045 | void b43_mac_enable(struct b43_wldev *dev) |
| 2046 | { |
| 2047 | dev->mac_suspended--; |
| 2048 | B43_WARN_ON(dev->mac_suspended < 0); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2049 | B43_WARN_ON(irqs_disabled()); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2050 | if (dev->mac_suspended == 0) { |
| 2051 | b43_write32(dev, B43_MMIO_MACCTL, |
| 2052 | b43_read32(dev, B43_MMIO_MACCTL) |
| 2053 | | B43_MACCTL_ENABLED); |
| 2054 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, |
| 2055 | B43_IRQ_MAC_SUSPENDED); |
| 2056 | /* Commit writes */ |
| 2057 | b43_read32(dev, B43_MMIO_MACCTL); |
| 2058 | b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2059 | b43_power_saving_ctl_bits(dev, 0); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2060 | |
| 2061 | /* Re-enable IRQs. */ |
| 2062 | spin_lock_irq(&dev->wl->irq_lock); |
| 2063 | b43_interrupt_enable(dev, dev->irq_savedstate); |
| 2064 | spin_unlock_irq(&dev->wl->irq_lock); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2065 | } |
| 2066 | } |
| 2067 | |
| 2068 | /* http://bcm-specs.sipsolutions.net/SuspendMAC */ |
| 2069 | void b43_mac_suspend(struct b43_wldev *dev) |
| 2070 | { |
| 2071 | int i; |
| 2072 | u32 tmp; |
| 2073 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2074 | might_sleep(); |
| 2075 | B43_WARN_ON(irqs_disabled()); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2076 | B43_WARN_ON(dev->mac_suspended < 0); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2077 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2078 | if (dev->mac_suspended == 0) { |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2079 | /* Mask IRQs before suspending MAC. Otherwise |
| 2080 | * the MAC stays busy and won't suspend. */ |
| 2081 | spin_lock_irq(&dev->wl->irq_lock); |
| 2082 | tmp = b43_interrupt_disable(dev, B43_IRQ_ALL); |
| 2083 | spin_unlock_irq(&dev->wl->irq_lock); |
| 2084 | b43_synchronize_irq(dev); |
| 2085 | dev->irq_savedstate = tmp; |
| 2086 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2087 | b43_power_saving_ctl_bits(dev, B43_PS_AWAKE); |
| 2088 | b43_write32(dev, B43_MMIO_MACCTL, |
| 2089 | b43_read32(dev, B43_MMIO_MACCTL) |
| 2090 | & ~B43_MACCTL_ENABLED); |
| 2091 | /* force pci to flush the write */ |
| 2092 | b43_read32(dev, B43_MMIO_MACCTL); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2093 | for (i = 40; i; i--) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2094 | tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); |
| 2095 | if (tmp & B43_IRQ_MAC_SUSPENDED) |
| 2096 | goto out; |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2097 | msleep(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2098 | } |
| 2099 | b43err(dev->wl, "MAC suspend failed\n"); |
| 2100 | } |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2101 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2102 | dev->mac_suspended++; |
| 2103 | } |
| 2104 | |
| 2105 | static void b43_adjust_opmode(struct b43_wldev *dev) |
| 2106 | { |
| 2107 | struct b43_wl *wl = dev->wl; |
| 2108 | u32 ctl; |
| 2109 | u16 cfp_pretbtt; |
| 2110 | |
| 2111 | ctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 2112 | /* Reset status to STA infrastructure mode. */ |
| 2113 | ctl &= ~B43_MACCTL_AP; |
| 2114 | ctl &= ~B43_MACCTL_KEEP_CTL; |
| 2115 | ctl &= ~B43_MACCTL_KEEP_BADPLCP; |
| 2116 | ctl &= ~B43_MACCTL_KEEP_BAD; |
| 2117 | ctl &= ~B43_MACCTL_PROMISC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2118 | ctl &= ~B43_MACCTL_BEACPROMISC; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2119 | ctl |= B43_MACCTL_INFRA; |
| 2120 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2121 | if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) |
| 2122 | ctl |= B43_MACCTL_AP; |
| 2123 | else if (b43_is_mode(wl, IEEE80211_IF_TYPE_IBSS)) |
| 2124 | ctl &= ~B43_MACCTL_INFRA; |
| 2125 | |
| 2126 | if (wl->filter_flags & FIF_CONTROL) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2127 | ctl |= B43_MACCTL_KEEP_CTL; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2128 | if (wl->filter_flags & FIF_FCSFAIL) |
| 2129 | ctl |= B43_MACCTL_KEEP_BAD; |
| 2130 | if (wl->filter_flags & FIF_PLCPFAIL) |
| 2131 | ctl |= B43_MACCTL_KEEP_BADPLCP; |
| 2132 | if (wl->filter_flags & FIF_PROMISC_IN_BSS) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2133 | ctl |= B43_MACCTL_PROMISC; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2134 | if (wl->filter_flags & FIF_BCN_PRBRESP_PROMISC) |
| 2135 | ctl |= B43_MACCTL_BEACPROMISC; |
| 2136 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2137 | /* Workaround: On old hardware the HW-MAC-address-filter |
| 2138 | * doesn't work properly, so always run promisc in filter |
| 2139 | * it in software. */ |
| 2140 | if (dev->dev->id.revision <= 4) |
| 2141 | ctl |= B43_MACCTL_PROMISC; |
| 2142 | |
| 2143 | b43_write32(dev, B43_MMIO_MACCTL, ctl); |
| 2144 | |
| 2145 | cfp_pretbtt = 2; |
| 2146 | if ((ctl & B43_MACCTL_INFRA) && !(ctl & B43_MACCTL_AP)) { |
| 2147 | if (dev->dev->bus->chip_id == 0x4306 && |
| 2148 | dev->dev->bus->chip_rev == 3) |
| 2149 | cfp_pretbtt = 100; |
| 2150 | else |
| 2151 | cfp_pretbtt = 50; |
| 2152 | } |
| 2153 | b43_write16(dev, 0x612, cfp_pretbtt); |
| 2154 | } |
| 2155 | |
| 2156 | static void b43_rate_memory_write(struct b43_wldev *dev, u16 rate, int is_ofdm) |
| 2157 | { |
| 2158 | u16 offset; |
| 2159 | |
| 2160 | if (is_ofdm) { |
| 2161 | offset = 0x480; |
| 2162 | offset += (b43_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; |
| 2163 | } else { |
| 2164 | offset = 0x4C0; |
| 2165 | offset += (b43_plcp_get_ratecode_cck(rate) & 0x000F) * 2; |
| 2166 | } |
| 2167 | b43_shm_write16(dev, B43_SHM_SHARED, offset + 0x20, |
| 2168 | b43_shm_read16(dev, B43_SHM_SHARED, offset)); |
| 2169 | } |
| 2170 | |
| 2171 | static void b43_rate_memory_init(struct b43_wldev *dev) |
| 2172 | { |
| 2173 | switch (dev->phy.type) { |
| 2174 | case B43_PHYTYPE_A: |
| 2175 | case B43_PHYTYPE_G: |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame] | 2176 | case B43_PHYTYPE_N: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2177 | b43_rate_memory_write(dev, B43_OFDM_RATE_6MB, 1); |
| 2178 | b43_rate_memory_write(dev, B43_OFDM_RATE_12MB, 1); |
| 2179 | b43_rate_memory_write(dev, B43_OFDM_RATE_18MB, 1); |
| 2180 | b43_rate_memory_write(dev, B43_OFDM_RATE_24MB, 1); |
| 2181 | b43_rate_memory_write(dev, B43_OFDM_RATE_36MB, 1); |
| 2182 | b43_rate_memory_write(dev, B43_OFDM_RATE_48MB, 1); |
| 2183 | b43_rate_memory_write(dev, B43_OFDM_RATE_54MB, 1); |
| 2184 | if (dev->phy.type == B43_PHYTYPE_A) |
| 2185 | break; |
| 2186 | /* fallthrough */ |
| 2187 | case B43_PHYTYPE_B: |
| 2188 | b43_rate_memory_write(dev, B43_CCK_RATE_1MB, 0); |
| 2189 | b43_rate_memory_write(dev, B43_CCK_RATE_2MB, 0); |
| 2190 | b43_rate_memory_write(dev, B43_CCK_RATE_5MB, 0); |
| 2191 | b43_rate_memory_write(dev, B43_CCK_RATE_11MB, 0); |
| 2192 | break; |
| 2193 | default: |
| 2194 | B43_WARN_ON(1); |
| 2195 | } |
| 2196 | } |
| 2197 | |
| 2198 | /* Set the TX-Antenna for management frames sent by firmware. */ |
| 2199 | static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna) |
| 2200 | { |
| 2201 | u16 ant = 0; |
| 2202 | u16 tmp; |
| 2203 | |
| 2204 | switch (antenna) { |
| 2205 | case B43_ANTENNA0: |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2206 | ant |= B43_TXH_PHY_ANT0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2207 | break; |
| 2208 | case B43_ANTENNA1: |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2209 | ant |= B43_TXH_PHY_ANT1; |
| 2210 | break; |
| 2211 | case B43_ANTENNA2: |
| 2212 | ant |= B43_TXH_PHY_ANT2; |
| 2213 | break; |
| 2214 | case B43_ANTENNA3: |
| 2215 | ant |= B43_TXH_PHY_ANT3; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2216 | break; |
| 2217 | case B43_ANTENNA_AUTO: |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2218 | ant |= B43_TXH_PHY_ANT01AUTO; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2219 | break; |
| 2220 | default: |
| 2221 | B43_WARN_ON(1); |
| 2222 | } |
| 2223 | |
| 2224 | /* FIXME We also need to set the other flags of the PHY control field somewhere. */ |
| 2225 | |
| 2226 | /* For Beacons */ |
| 2227 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2228 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2229 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, tmp); |
| 2230 | /* For ACK/CTS */ |
| 2231 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL); |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2232 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2233 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, tmp); |
| 2234 | /* For Probe Resposes */ |
| 2235 | tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL); |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2236 | tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2237 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, tmp); |
| 2238 | } |
| 2239 | |
| 2240 | /* This is the opposite of b43_chip_init() */ |
| 2241 | static void b43_chip_exit(struct b43_wldev *dev) |
| 2242 | { |
Michael Buesch | 8e9f752 | 2007-09-27 21:35:34 +0200 | [diff] [blame] | 2243 | b43_radio_turn_off(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2244 | b43_gpio_cleanup(dev); |
| 2245 | /* firmware is released later */ |
| 2246 | } |
| 2247 | |
| 2248 | /* Initialize the chip |
| 2249 | * http://bcm-specs.sipsolutions.net/ChipInit |
| 2250 | */ |
| 2251 | static int b43_chip_init(struct b43_wldev *dev) |
| 2252 | { |
| 2253 | struct b43_phy *phy = &dev->phy; |
| 2254 | int err, tmp; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2255 | u32 value32, macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2256 | u16 value16; |
| 2257 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 2258 | /* Initialize the MAC control */ |
| 2259 | macctl = B43_MACCTL_IHR_ENABLED | B43_MACCTL_SHM_ENABLED; |
| 2260 | if (dev->phy.gmode) |
| 2261 | macctl |= B43_MACCTL_GMODE; |
| 2262 | macctl |= B43_MACCTL_INFRA; |
| 2263 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2264 | |
| 2265 | err = b43_request_firmware(dev); |
| 2266 | if (err) |
| 2267 | goto out; |
| 2268 | err = b43_upload_microcode(dev); |
| 2269 | if (err) |
| 2270 | goto out; /* firmware is released later */ |
| 2271 | |
| 2272 | err = b43_gpio_init(dev); |
| 2273 | if (err) |
| 2274 | goto out; /* firmware is released later */ |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2275 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2276 | err = b43_upload_initvals(dev); |
| 2277 | if (err) |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 2278 | goto err_gpio_clean; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2279 | b43_radio_turn_on(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2280 | |
| 2281 | b43_write16(dev, 0x03E6, 0x0000); |
| 2282 | err = b43_phy_init(dev); |
| 2283 | if (err) |
| 2284 | goto err_radio_off; |
| 2285 | |
| 2286 | /* Select initial Interference Mitigation. */ |
| 2287 | tmp = phy->interfmode; |
| 2288 | phy->interfmode = B43_INTERFMODE_NONE; |
| 2289 | b43_radio_set_interference_mitigation(dev, tmp); |
| 2290 | |
| 2291 | b43_set_rx_antenna(dev, B43_ANTENNA_DEFAULT); |
| 2292 | b43_mgmtframe_txantenna(dev, B43_ANTENNA_DEFAULT); |
| 2293 | |
| 2294 | if (phy->type == B43_PHYTYPE_B) { |
| 2295 | value16 = b43_read16(dev, 0x005E); |
| 2296 | value16 |= 0x0004; |
| 2297 | b43_write16(dev, 0x005E, value16); |
| 2298 | } |
| 2299 | b43_write32(dev, 0x0100, 0x01000000); |
| 2300 | if (dev->dev->id.revision < 5) |
| 2301 | b43_write32(dev, 0x010C, 0x01000000); |
| 2302 | |
| 2303 | b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) |
| 2304 | & ~B43_MACCTL_INFRA); |
| 2305 | b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) |
| 2306 | | B43_MACCTL_INFRA); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2307 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2308 | /* Probe Response Timeout value */ |
| 2309 | /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ |
| 2310 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0074, 0x0000); |
| 2311 | |
| 2312 | /* Initially set the wireless operation mode. */ |
| 2313 | b43_adjust_opmode(dev); |
| 2314 | |
| 2315 | if (dev->dev->id.revision < 3) { |
| 2316 | b43_write16(dev, 0x060E, 0x0000); |
| 2317 | b43_write16(dev, 0x0610, 0x8000); |
| 2318 | b43_write16(dev, 0x0604, 0x0000); |
| 2319 | b43_write16(dev, 0x0606, 0x0200); |
| 2320 | } else { |
| 2321 | b43_write32(dev, 0x0188, 0x80000000); |
| 2322 | b43_write32(dev, 0x018C, 0x02000000); |
| 2323 | } |
| 2324 | b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000); |
| 2325 | b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00); |
| 2326 | b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00); |
| 2327 | b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00); |
| 2328 | b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00); |
| 2329 | b43_write32(dev, B43_MMIO_DMA4_IRQ_MASK, 0x0000DC00); |
| 2330 | b43_write32(dev, B43_MMIO_DMA5_IRQ_MASK, 0x0000DC00); |
| 2331 | |
| 2332 | value32 = ssb_read32(dev->dev, SSB_TMSLOW); |
| 2333 | value32 |= 0x00100000; |
| 2334 | ssb_write32(dev->dev, SSB_TMSLOW, value32); |
| 2335 | |
| 2336 | b43_write16(dev, B43_MMIO_POWERUP_DELAY, |
| 2337 | dev->dev->bus->chipco.fast_pwrup_delay); |
| 2338 | |
| 2339 | err = 0; |
| 2340 | b43dbg(dev->wl, "Chip initialized\n"); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2341 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2342 | return err; |
| 2343 | |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2344 | err_radio_off: |
Michael Buesch | 8e9f752 | 2007-09-27 21:35:34 +0200 | [diff] [blame] | 2345 | b43_radio_turn_off(dev, 1); |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 2346 | err_gpio_clean: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2347 | b43_gpio_cleanup(dev); |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 2348 | return err; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2349 | } |
| 2350 | |
| 2351 | static void b43_periodic_every120sec(struct b43_wldev *dev) |
| 2352 | { |
| 2353 | struct b43_phy *phy = &dev->phy; |
| 2354 | |
| 2355 | if (phy->type != B43_PHYTYPE_G || phy->rev < 2) |
| 2356 | return; |
| 2357 | |
| 2358 | b43_mac_suspend(dev); |
| 2359 | b43_lo_g_measure(dev); |
| 2360 | b43_mac_enable(dev); |
| 2361 | if (b43_has_hardware_pctl(phy)) |
| 2362 | b43_lo_g_ctl_mark_all_unused(dev); |
| 2363 | } |
| 2364 | |
| 2365 | static void b43_periodic_every60sec(struct b43_wldev *dev) |
| 2366 | { |
| 2367 | struct b43_phy *phy = &dev->phy; |
| 2368 | |
Michael Buesch | 53a6e23 | 2008-01-13 21:23:44 +0100 | [diff] [blame] | 2369 | if (phy->type != B43_PHYTYPE_G) |
| 2370 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2371 | if (!b43_has_hardware_pctl(phy)) |
| 2372 | b43_lo_g_ctl_mark_all_unused(dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 2373 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2374 | b43_mac_suspend(dev); |
| 2375 | b43_calc_nrssi_slope(dev); |
| 2376 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) { |
| 2377 | u8 old_chan = phy->channel; |
| 2378 | |
| 2379 | /* VCO Calibration */ |
| 2380 | if (old_chan >= 8) |
| 2381 | b43_radio_selectchannel(dev, 1, 0); |
| 2382 | else |
| 2383 | b43_radio_selectchannel(dev, 13, 0); |
| 2384 | b43_radio_selectchannel(dev, old_chan, 0); |
| 2385 | } |
| 2386 | b43_mac_enable(dev); |
| 2387 | } |
| 2388 | } |
| 2389 | |
| 2390 | static void b43_periodic_every30sec(struct b43_wldev *dev) |
| 2391 | { |
| 2392 | /* Update device statistics. */ |
| 2393 | b43_calculate_link_quality(dev); |
| 2394 | } |
| 2395 | |
| 2396 | static void b43_periodic_every15sec(struct b43_wldev *dev) |
| 2397 | { |
| 2398 | struct b43_phy *phy = &dev->phy; |
| 2399 | |
| 2400 | if (phy->type == B43_PHYTYPE_G) { |
| 2401 | //TODO: update_aci_moving_average |
| 2402 | if (phy->aci_enable && phy->aci_wlan_automatic) { |
| 2403 | b43_mac_suspend(dev); |
| 2404 | if (!phy->aci_enable && 1 /*TODO: not scanning? */ ) { |
| 2405 | if (0 /*TODO: bunch of conditions */ ) { |
| 2406 | b43_radio_set_interference_mitigation |
| 2407 | (dev, B43_INTERFMODE_MANUALWLAN); |
| 2408 | } |
| 2409 | } else if (1 /*TODO*/) { |
| 2410 | /* |
| 2411 | if ((aci_average > 1000) && !(b43_radio_aci_scan(dev))) { |
| 2412 | b43_radio_set_interference_mitigation(dev, |
| 2413 | B43_INTERFMODE_NONE); |
| 2414 | } |
| 2415 | */ |
| 2416 | } |
| 2417 | b43_mac_enable(dev); |
| 2418 | } else if (phy->interfmode == B43_INTERFMODE_NONWLAN && |
| 2419 | phy->rev == 1) { |
| 2420 | //TODO: implement rev1 workaround |
| 2421 | } |
| 2422 | } |
| 2423 | b43_phy_xmitpower(dev); //FIXME: unless scanning? |
| 2424 | //TODO for APHY (temperature?) |
Stefano Brivio | 00e0b8c | 2007-11-25 11:10:33 +0100 | [diff] [blame] | 2425 | |
| 2426 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
| 2427 | wmb(); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2428 | } |
| 2429 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2430 | static void do_periodic_work(struct b43_wldev *dev) |
| 2431 | { |
| 2432 | unsigned int state; |
| 2433 | |
| 2434 | state = dev->periodic_state; |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 2435 | if (state % 8 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2436 | b43_periodic_every120sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 2437 | if (state % 4 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2438 | b43_periodic_every60sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 2439 | if (state % 2 == 0) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2440 | b43_periodic_every30sec(dev); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 2441 | b43_periodic_every15sec(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2442 | } |
| 2443 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2444 | /* Periodic work locking policy: |
| 2445 | * The whole periodic work handler is protected by |
| 2446 | * wl->mutex. If another lock is needed somewhere in the |
| 2447 | * pwork callchain, it's aquired in-place, where it's needed. |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2448 | */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2449 | static void b43_periodic_work_handler(struct work_struct *work) |
| 2450 | { |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2451 | struct b43_wldev *dev = container_of(work, struct b43_wldev, |
| 2452 | periodic_work.work); |
| 2453 | struct b43_wl *wl = dev->wl; |
| 2454 | unsigned long delay; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2455 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2456 | mutex_lock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2457 | |
| 2458 | if (unlikely(b43_status(dev) != B43_STAT_STARTED)) |
| 2459 | goto out; |
| 2460 | if (b43_debug(dev, B43_DBG_PWORK_STOP)) |
| 2461 | goto out_requeue; |
| 2462 | |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2463 | do_periodic_work(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2464 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2465 | dev->periodic_state++; |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 2466 | out_requeue: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2467 | if (b43_debug(dev, B43_DBG_PWORK_FAST)) |
| 2468 | delay = msecs_to_jiffies(50); |
| 2469 | else |
Anton Blanchard | 82cd682 | 2007-10-15 00:42:23 -0500 | [diff] [blame] | 2470 | delay = round_jiffies_relative(HZ * 15); |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2471 | queue_delayed_work(wl->hw->workqueue, &dev->periodic_work, delay); |
Michael Buesch | 42bb4cd | 2007-09-28 14:22:33 +0200 | [diff] [blame] | 2472 | out: |
Michael Buesch | 05b64b3 | 2007-09-28 16:19:03 +0200 | [diff] [blame] | 2473 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2474 | } |
| 2475 | |
| 2476 | static void b43_periodic_tasks_setup(struct b43_wldev *dev) |
| 2477 | { |
| 2478 | struct delayed_work *work = &dev->periodic_work; |
| 2479 | |
| 2480 | dev->periodic_state = 0; |
| 2481 | INIT_DELAYED_WORK(work, b43_periodic_work_handler); |
| 2482 | queue_delayed_work(dev->wl->hw->workqueue, work, 0); |
| 2483 | } |
| 2484 | |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 2485 | /* Check if communication with the device works correctly. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2486 | static int b43_validate_chipaccess(struct b43_wldev *dev) |
| 2487 | { |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 2488 | u32 v, backup; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2489 | |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 2490 | backup = b43_shm_read32(dev, B43_SHM_SHARED, 0); |
| 2491 | |
| 2492 | /* Check for read/write and endianness problems. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2493 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0x55AAAA55); |
| 2494 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0x55AAAA55) |
| 2495 | goto error; |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 2496 | b43_shm_write32(dev, B43_SHM_SHARED, 0, 0xAA5555AA); |
| 2497 | if (b43_shm_read32(dev, B43_SHM_SHARED, 0) != 0xAA5555AA) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2498 | goto error; |
| 2499 | |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 2500 | b43_shm_write32(dev, B43_SHM_SHARED, 0, backup); |
| 2501 | |
| 2502 | if ((dev->dev->id.revision >= 3) && (dev->dev->id.revision <= 10)) { |
| 2503 | /* The 32bit register shadows the two 16bit registers |
| 2504 | * with update sideeffects. Validate this. */ |
| 2505 | b43_write16(dev, B43_MMIO_TSF_CFP_START, 0xAAAA); |
| 2506 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0xCCCCBBBB); |
| 2507 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_LOW) != 0xBBBB) |
| 2508 | goto error; |
| 2509 | if (b43_read16(dev, B43_MMIO_TSF_CFP_START_HIGH) != 0xCCCC) |
| 2510 | goto error; |
| 2511 | } |
| 2512 | b43_write32(dev, B43_MMIO_TSF_CFP_START, 0); |
| 2513 | |
| 2514 | v = b43_read32(dev, B43_MMIO_MACCTL); |
| 2515 | v |= B43_MACCTL_GMODE; |
| 2516 | if (v != (B43_MACCTL_GMODE | B43_MACCTL_IHR_ENABLED)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2517 | goto error; |
| 2518 | |
| 2519 | return 0; |
Michael Buesch | f3dd3fc | 2007-12-22 21:56:30 +0100 | [diff] [blame] | 2520 | error: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2521 | b43err(dev->wl, "Failed to validate the chipaccess\n"); |
| 2522 | return -ENODEV; |
| 2523 | } |
| 2524 | |
| 2525 | static void b43_security_init(struct b43_wldev *dev) |
| 2526 | { |
| 2527 | dev->max_nr_keys = (dev->dev->id.revision >= 5) ? 58 : 20; |
| 2528 | B43_WARN_ON(dev->max_nr_keys > ARRAY_SIZE(dev->key)); |
| 2529 | dev->ktp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_KTP); |
| 2530 | /* KTP is a word address, but we address SHM bytewise. |
| 2531 | * So multiply by two. |
| 2532 | */ |
| 2533 | dev->ktp *= 2; |
| 2534 | if (dev->dev->id.revision >= 5) { |
| 2535 | /* Number of RCMTA address slots */ |
| 2536 | b43_write16(dev, B43_MMIO_RCMTA_COUNT, dev->max_nr_keys - 8); |
| 2537 | } |
| 2538 | b43_clear_keys(dev); |
| 2539 | } |
| 2540 | |
| 2541 | static int b43_rng_read(struct hwrng *rng, u32 * data) |
| 2542 | { |
| 2543 | struct b43_wl *wl = (struct b43_wl *)rng->priv; |
| 2544 | unsigned long flags; |
| 2545 | |
| 2546 | /* Don't take wl->mutex here, as it could deadlock with |
| 2547 | * hwrng internal locking. It's not needed to take |
| 2548 | * wl->mutex here, anyway. */ |
| 2549 | |
| 2550 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 2551 | *data = b43_read16(wl->current_dev, B43_MMIO_RNG); |
| 2552 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 2553 | |
| 2554 | return (sizeof(u16)); |
| 2555 | } |
| 2556 | |
| 2557 | static void b43_rng_exit(struct b43_wl *wl) |
| 2558 | { |
| 2559 | if (wl->rng_initialized) |
| 2560 | hwrng_unregister(&wl->rng); |
| 2561 | } |
| 2562 | |
| 2563 | static int b43_rng_init(struct b43_wl *wl) |
| 2564 | { |
| 2565 | int err; |
| 2566 | |
| 2567 | snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name), |
| 2568 | "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy)); |
| 2569 | wl->rng.name = wl->rng_name; |
| 2570 | wl->rng.data_read = b43_rng_read; |
| 2571 | wl->rng.priv = (unsigned long)wl; |
| 2572 | wl->rng_initialized = 1; |
| 2573 | err = hwrng_register(&wl->rng); |
| 2574 | if (err) { |
| 2575 | wl->rng_initialized = 0; |
| 2576 | b43err(wl, "Failed to register the random " |
| 2577 | "number generator (%d)\n", err); |
| 2578 | } |
| 2579 | |
| 2580 | return err; |
| 2581 | } |
| 2582 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2583 | static int b43_op_tx(struct ieee80211_hw *hw, |
| 2584 | struct sk_buff *skb, |
| 2585 | struct ieee80211_tx_control *ctl) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2586 | { |
| 2587 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 2588 | struct b43_wldev *dev = wl->current_dev; |
| 2589 | int err = -ENODEV; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2590 | |
| 2591 | if (unlikely(!dev)) |
| 2592 | goto out; |
| 2593 | if (unlikely(b43_status(dev) < B43_STAT_STARTED)) |
| 2594 | goto out; |
| 2595 | /* DMA-TX is done without a global lock. */ |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 2596 | err = b43_dma_tx(dev, skb, ctl); |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2597 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2598 | if (unlikely(err)) |
| 2599 | return NETDEV_TX_BUSY; |
| 2600 | return NETDEV_TX_OK; |
| 2601 | } |
| 2602 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2603 | static int b43_op_conf_tx(struct ieee80211_hw *hw, |
| 2604 | int queue, |
| 2605 | const struct ieee80211_tx_queue_params *params) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2606 | { |
| 2607 | return 0; |
| 2608 | } |
| 2609 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2610 | static int b43_op_get_tx_stats(struct ieee80211_hw *hw, |
| 2611 | struct ieee80211_tx_queue_stats *stats) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2612 | { |
| 2613 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 2614 | struct b43_wldev *dev = wl->current_dev; |
| 2615 | unsigned long flags; |
| 2616 | int err = -ENODEV; |
| 2617 | |
| 2618 | if (!dev) |
| 2619 | goto out; |
| 2620 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 2621 | if (likely(b43_status(dev) >= B43_STAT_STARTED)) { |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 2622 | b43_dma_get_tx_stats(dev, stats); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2623 | err = 0; |
| 2624 | } |
| 2625 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2626 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2627 | return err; |
| 2628 | } |
| 2629 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2630 | static int b43_op_get_stats(struct ieee80211_hw *hw, |
| 2631 | struct ieee80211_low_level_stats *stats) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2632 | { |
| 2633 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 2634 | unsigned long flags; |
| 2635 | |
| 2636 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 2637 | memcpy(stats, &wl->ieee_stats, sizeof(*stats)); |
| 2638 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 2639 | |
| 2640 | return 0; |
| 2641 | } |
| 2642 | |
| 2643 | static const char *phymode_to_string(unsigned int phymode) |
| 2644 | { |
| 2645 | switch (phymode) { |
| 2646 | case B43_PHYMODE_A: |
| 2647 | return "A"; |
| 2648 | case B43_PHYMODE_B: |
| 2649 | return "B"; |
| 2650 | case B43_PHYMODE_G: |
| 2651 | return "G"; |
| 2652 | default: |
| 2653 | B43_WARN_ON(1); |
| 2654 | } |
| 2655 | return ""; |
| 2656 | } |
| 2657 | |
| 2658 | static int find_wldev_for_phymode(struct b43_wl *wl, |
| 2659 | unsigned int phymode, |
| 2660 | struct b43_wldev **dev, bool * gmode) |
| 2661 | { |
| 2662 | struct b43_wldev *d; |
| 2663 | |
| 2664 | list_for_each_entry(d, &wl->devlist, list) { |
| 2665 | if (d->phy.possible_phymodes & phymode) { |
| 2666 | /* Ok, this device supports the PHY-mode. |
| 2667 | * Now figure out how the gmode bit has to be |
| 2668 | * set to support it. */ |
| 2669 | if (phymode == B43_PHYMODE_A) |
| 2670 | *gmode = 0; |
| 2671 | else |
| 2672 | *gmode = 1; |
| 2673 | *dev = d; |
| 2674 | |
| 2675 | return 0; |
| 2676 | } |
| 2677 | } |
| 2678 | |
| 2679 | return -ESRCH; |
| 2680 | } |
| 2681 | |
| 2682 | static void b43_put_phy_into_reset(struct b43_wldev *dev) |
| 2683 | { |
| 2684 | struct ssb_device *sdev = dev->dev; |
| 2685 | u32 tmslow; |
| 2686 | |
| 2687 | tmslow = ssb_read32(sdev, SSB_TMSLOW); |
| 2688 | tmslow &= ~B43_TMSLOW_GMODE; |
| 2689 | tmslow |= B43_TMSLOW_PHYRESET; |
| 2690 | tmslow |= SSB_TMSLOW_FGC; |
| 2691 | ssb_write32(sdev, SSB_TMSLOW, tmslow); |
| 2692 | msleep(1); |
| 2693 | |
| 2694 | tmslow = ssb_read32(sdev, SSB_TMSLOW); |
| 2695 | tmslow &= ~SSB_TMSLOW_FGC; |
| 2696 | tmslow |= B43_TMSLOW_PHYRESET; |
| 2697 | ssb_write32(sdev, SSB_TMSLOW, tmslow); |
| 2698 | msleep(1); |
| 2699 | } |
| 2700 | |
| 2701 | /* Expects wl->mutex locked */ |
| 2702 | static int b43_switch_phymode(struct b43_wl *wl, unsigned int new_mode) |
| 2703 | { |
| 2704 | struct b43_wldev *up_dev; |
| 2705 | struct b43_wldev *down_dev; |
| 2706 | int err; |
| 2707 | bool gmode = 0; |
| 2708 | int prev_status; |
| 2709 | |
| 2710 | err = find_wldev_for_phymode(wl, new_mode, &up_dev, &gmode); |
| 2711 | if (err) { |
| 2712 | b43err(wl, "Could not find a device for %s-PHY mode\n", |
| 2713 | phymode_to_string(new_mode)); |
| 2714 | return err; |
| 2715 | } |
| 2716 | if ((up_dev == wl->current_dev) && |
| 2717 | (!!wl->current_dev->phy.gmode == !!gmode)) { |
| 2718 | /* This device is already running. */ |
| 2719 | return 0; |
| 2720 | } |
| 2721 | b43dbg(wl, "Reconfiguring PHYmode to %s-PHY\n", |
| 2722 | phymode_to_string(new_mode)); |
| 2723 | down_dev = wl->current_dev; |
| 2724 | |
| 2725 | prev_status = b43_status(down_dev); |
| 2726 | /* Shutdown the currently running core. */ |
| 2727 | if (prev_status >= B43_STAT_STARTED) |
| 2728 | b43_wireless_core_stop(down_dev); |
| 2729 | if (prev_status >= B43_STAT_INITIALIZED) |
| 2730 | b43_wireless_core_exit(down_dev); |
| 2731 | |
| 2732 | if (down_dev != up_dev) { |
| 2733 | /* We switch to a different core, so we put PHY into |
| 2734 | * RESET on the old core. */ |
| 2735 | b43_put_phy_into_reset(down_dev); |
| 2736 | } |
| 2737 | |
| 2738 | /* Now start the new core. */ |
| 2739 | up_dev->phy.gmode = gmode; |
| 2740 | if (prev_status >= B43_STAT_INITIALIZED) { |
| 2741 | err = b43_wireless_core_init(up_dev); |
| 2742 | if (err) { |
| 2743 | b43err(wl, "Fatal: Could not initialize device for " |
| 2744 | "newly selected %s-PHY mode\n", |
| 2745 | phymode_to_string(new_mode)); |
| 2746 | goto init_failure; |
| 2747 | } |
| 2748 | } |
| 2749 | if (prev_status >= B43_STAT_STARTED) { |
| 2750 | err = b43_wireless_core_start(up_dev); |
| 2751 | if (err) { |
| 2752 | b43err(wl, "Fatal: Coult not start device for " |
| 2753 | "newly selected %s-PHY mode\n", |
| 2754 | phymode_to_string(new_mode)); |
| 2755 | b43_wireless_core_exit(up_dev); |
| 2756 | goto init_failure; |
| 2757 | } |
| 2758 | } |
| 2759 | B43_WARN_ON(b43_status(up_dev) != prev_status); |
| 2760 | |
| 2761 | wl->current_dev = up_dev; |
| 2762 | |
| 2763 | return 0; |
| 2764 | init_failure: |
| 2765 | /* Whoops, failed to init the new core. No core is operating now. */ |
| 2766 | wl->current_dev = NULL; |
| 2767 | return err; |
| 2768 | } |
| 2769 | |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 2770 | /* Check if the use of the antenna that ieee80211 told us to |
| 2771 | * use is possible. This will fall back to DEFAULT. |
| 2772 | * "antenna_nr" is the antenna identifier we got from ieee80211. */ |
| 2773 | u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev, |
| 2774 | u8 antenna_nr) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2775 | { |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 2776 | u8 antenna_mask; |
| 2777 | |
| 2778 | if (antenna_nr == 0) { |
| 2779 | /* Zero means "use default antenna". That's always OK. */ |
| 2780 | return 0; |
| 2781 | } |
| 2782 | |
| 2783 | /* Get the mask of available antennas. */ |
| 2784 | if (dev->phy.gmode) |
| 2785 | antenna_mask = dev->dev->bus->sprom.ant_available_bg; |
| 2786 | else |
| 2787 | antenna_mask = dev->dev->bus->sprom.ant_available_a; |
| 2788 | |
| 2789 | if (!(antenna_mask & (1 << (antenna_nr - 1)))) { |
| 2790 | /* This antenna is not available. Fall back to default. */ |
| 2791 | return 0; |
| 2792 | } |
| 2793 | |
| 2794 | return antenna_nr; |
| 2795 | } |
| 2796 | |
| 2797 | static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna) |
| 2798 | { |
| 2799 | antenna = b43_ieee80211_antenna_sanitize(dev, antenna); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2800 | switch (antenna) { |
| 2801 | case 0: /* default/diversity */ |
| 2802 | return B43_ANTENNA_DEFAULT; |
| 2803 | case 1: /* Antenna 0 */ |
| 2804 | return B43_ANTENNA0; |
| 2805 | case 2: /* Antenna 1 */ |
| 2806 | return B43_ANTENNA1; |
Michael Buesch | eb189d8 | 2008-01-28 14:47:41 -0800 | [diff] [blame] | 2807 | case 3: /* Antenna 2 */ |
| 2808 | return B43_ANTENNA2; |
| 2809 | case 4: /* Antenna 3 */ |
| 2810 | return B43_ANTENNA3; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2811 | default: |
| 2812 | return B43_ANTENNA_DEFAULT; |
| 2813 | } |
| 2814 | } |
| 2815 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2816 | static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2817 | { |
| 2818 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 2819 | struct b43_wldev *dev; |
| 2820 | struct b43_phy *phy; |
| 2821 | unsigned long flags; |
| 2822 | unsigned int new_phymode = 0xFFFF; |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 2823 | int antenna; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2824 | int err = 0; |
| 2825 | u32 savedirqs; |
| 2826 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2827 | mutex_lock(&wl->mutex); |
| 2828 | |
| 2829 | /* Switch the PHY mode (if necessary). */ |
| 2830 | switch (conf->phymode) { |
| 2831 | case MODE_IEEE80211A: |
| 2832 | new_phymode = B43_PHYMODE_A; |
| 2833 | break; |
| 2834 | case MODE_IEEE80211B: |
| 2835 | new_phymode = B43_PHYMODE_B; |
| 2836 | break; |
| 2837 | case MODE_IEEE80211G: |
| 2838 | new_phymode = B43_PHYMODE_G; |
| 2839 | break; |
| 2840 | default: |
| 2841 | B43_WARN_ON(1); |
| 2842 | } |
| 2843 | err = b43_switch_phymode(wl, new_phymode); |
| 2844 | if (err) |
| 2845 | goto out_unlock_mutex; |
| 2846 | dev = wl->current_dev; |
| 2847 | phy = &dev->phy; |
| 2848 | |
| 2849 | /* Disable IRQs while reconfiguring the device. |
| 2850 | * This makes it possible to drop the spinlock throughout |
| 2851 | * the reconfiguration process. */ |
| 2852 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 2853 | if (b43_status(dev) < B43_STAT_STARTED) { |
| 2854 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 2855 | goto out_unlock_mutex; |
| 2856 | } |
| 2857 | savedirqs = b43_interrupt_disable(dev, B43_IRQ_ALL); |
| 2858 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 2859 | b43_synchronize_irq(dev); |
| 2860 | |
| 2861 | /* Switch to the requested channel. |
| 2862 | * The firmware takes care of races with the TX handler. */ |
| 2863 | if (conf->channel_val != phy->channel) |
| 2864 | b43_radio_selectchannel(dev, conf->channel_val, 0); |
| 2865 | |
| 2866 | /* Enable/Disable ShortSlot timing. */ |
| 2867 | if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) != |
| 2868 | dev->short_slot) { |
| 2869 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); |
| 2870 | if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) |
| 2871 | b43_short_slot_timing_enable(dev); |
| 2872 | else |
| 2873 | b43_short_slot_timing_disable(dev); |
| 2874 | } |
| 2875 | |
Johannes Berg | d42ce84 | 2007-11-23 14:50:51 +0100 | [diff] [blame] | 2876 | dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP); |
| 2877 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2878 | /* Adjust the desired TX power level. */ |
| 2879 | if (conf->power_level != 0) { |
| 2880 | if (conf->power_level != phy->power_level) { |
| 2881 | phy->power_level = conf->power_level; |
| 2882 | b43_phy_xmitpower(dev); |
| 2883 | } |
| 2884 | } |
| 2885 | |
| 2886 | /* Antennas for RX and management frame TX. */ |
Michael Buesch | 9db1f6d | 2007-12-22 21:54:20 +0100 | [diff] [blame] | 2887 | antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_tx); |
| 2888 | b43_mgmtframe_txantenna(dev, antenna); |
| 2889 | antenna = b43_antenna_from_ieee80211(dev, conf->antenna_sel_rx); |
| 2890 | b43_set_rx_antenna(dev, antenna); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2891 | |
| 2892 | /* Update templates for AP mode. */ |
| 2893 | if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) |
| 2894 | b43_set_beacon_int(dev, conf->beacon_int); |
| 2895 | |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 2896 | if (!!conf->radio_enabled != phy->radio_on) { |
| 2897 | if (conf->radio_enabled) { |
| 2898 | b43_radio_turn_on(dev); |
| 2899 | b43info(dev->wl, "Radio turned on by software\n"); |
| 2900 | if (!dev->radio_hw_enable) { |
| 2901 | b43info(dev->wl, "The hardware RF-kill button " |
| 2902 | "still turns the radio physically off. " |
| 2903 | "Press the button to turn it on.\n"); |
| 2904 | } |
| 2905 | } else { |
Michael Buesch | 8e9f752 | 2007-09-27 21:35:34 +0200 | [diff] [blame] | 2906 | b43_radio_turn_off(dev, 0); |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 2907 | b43info(dev->wl, "Radio turned off by software\n"); |
| 2908 | } |
| 2909 | } |
| 2910 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2911 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 2912 | b43_interrupt_enable(dev, savedirqs); |
| 2913 | mmiowb(); |
| 2914 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 2915 | out_unlock_mutex: |
| 2916 | mutex_unlock(&wl->mutex); |
| 2917 | |
| 2918 | return err; |
| 2919 | } |
| 2920 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 2921 | static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 2922 | const u8 *local_addr, const u8 *addr, |
| 2923 | struct ieee80211_key_conf *key) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2924 | { |
| 2925 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 2926 | struct b43_wldev *dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2927 | unsigned long flags; |
| 2928 | u8 algorithm; |
| 2929 | u8 index; |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 2930 | int err; |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 2931 | DECLARE_MAC_BUF(mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2932 | |
| 2933 | if (modparam_nohwcrypt) |
| 2934 | return -ENOSPC; /* User disabled HW-crypto */ |
| 2935 | |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 2936 | mutex_lock(&wl->mutex); |
| 2937 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 2938 | |
| 2939 | dev = wl->current_dev; |
| 2940 | err = -ENODEV; |
| 2941 | if (!dev || b43_status(dev) < B43_STAT_INITIALIZED) |
| 2942 | goto out_unlock; |
| 2943 | |
| 2944 | err = -EINVAL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2945 | switch (key->alg) { |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2946 | case ALG_WEP: |
| 2947 | if (key->keylen == 5) |
| 2948 | algorithm = B43_SEC_ALGO_WEP40; |
| 2949 | else |
| 2950 | algorithm = B43_SEC_ALGO_WEP104; |
| 2951 | break; |
| 2952 | case ALG_TKIP: |
| 2953 | algorithm = B43_SEC_ALGO_TKIP; |
| 2954 | break; |
| 2955 | case ALG_CCMP: |
| 2956 | algorithm = B43_SEC_ALGO_AES; |
| 2957 | break; |
| 2958 | default: |
| 2959 | B43_WARN_ON(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2960 | goto out_unlock; |
| 2961 | } |
Michael Buesch | c6dfc9a | 2007-10-28 15:59:58 +0100 | [diff] [blame] | 2962 | index = (u8) (key->keyidx); |
| 2963 | if (index > 3) |
| 2964 | goto out_unlock; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 2965 | |
| 2966 | switch (cmd) { |
| 2967 | case SET_KEY: |
| 2968 | if (algorithm == B43_SEC_ALGO_TKIP) { |
| 2969 | /* FIXME: No TKIP hardware encryption for now. */ |
| 2970 | err = -EOPNOTSUPP; |
| 2971 | goto out_unlock; |
| 2972 | } |
| 2973 | |
| 2974 | if (is_broadcast_ether_addr(addr)) { |
| 2975 | /* addr is FF:FF:FF:FF:FF:FF for default keys */ |
| 2976 | err = b43_key_write(dev, index, algorithm, |
| 2977 | key->key, key->keylen, NULL, key); |
| 2978 | } else { |
| 2979 | /* |
| 2980 | * either pairwise key or address is 00:00:00:00:00:00 |
| 2981 | * for transmit-only keys |
| 2982 | */ |
| 2983 | err = b43_key_write(dev, -1, algorithm, |
| 2984 | key->key, key->keylen, addr, key); |
| 2985 | } |
| 2986 | if (err) |
| 2987 | goto out_unlock; |
| 2988 | |
| 2989 | if (algorithm == B43_SEC_ALGO_WEP40 || |
| 2990 | algorithm == B43_SEC_ALGO_WEP104) { |
| 2991 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_USEDEFKEYS); |
| 2992 | } else { |
| 2993 | b43_hf_write(dev, |
| 2994 | b43_hf_read(dev) & ~B43_HF_USEDEFKEYS); |
| 2995 | } |
| 2996 | key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; |
| 2997 | break; |
| 2998 | case DISABLE_KEY: { |
| 2999 | err = b43_key_clear(dev, key->hw_key_idx); |
| 3000 | if (err) |
| 3001 | goto out_unlock; |
| 3002 | break; |
| 3003 | } |
| 3004 | default: |
| 3005 | B43_WARN_ON(1); |
| 3006 | } |
| 3007 | out_unlock: |
| 3008 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 3009 | mutex_unlock(&wl->mutex); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3010 | if (!err) { |
| 3011 | b43dbg(wl, "%s hardware based encryption for keyidx: %d, " |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 3012 | "mac: %s\n", |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3013 | cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 3014 | print_mac(mac, addr)); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3015 | } |
| 3016 | return err; |
| 3017 | } |
| 3018 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3019 | static void b43_op_configure_filter(struct ieee80211_hw *hw, |
| 3020 | unsigned int changed, unsigned int *fflags, |
| 3021 | int mc_count, struct dev_addr_list *mc_list) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3022 | { |
| 3023 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3024 | struct b43_wldev *dev = wl->current_dev; |
| 3025 | unsigned long flags; |
| 3026 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3027 | if (!dev) { |
| 3028 | *fflags = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3029 | return; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3030 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3031 | |
| 3032 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 3033 | *fflags &= FIF_PROMISC_IN_BSS | |
| 3034 | FIF_ALLMULTI | |
| 3035 | FIF_FCSFAIL | |
| 3036 | FIF_PLCPFAIL | |
| 3037 | FIF_CONTROL | |
| 3038 | FIF_OTHER_BSS | |
| 3039 | FIF_BCN_PRBRESP_PROMISC; |
| 3040 | |
| 3041 | changed &= FIF_PROMISC_IN_BSS | |
| 3042 | FIF_ALLMULTI | |
| 3043 | FIF_FCSFAIL | |
| 3044 | FIF_PLCPFAIL | |
| 3045 | FIF_CONTROL | |
| 3046 | FIF_OTHER_BSS | |
| 3047 | FIF_BCN_PRBRESP_PROMISC; |
| 3048 | |
| 3049 | wl->filter_flags = *fflags; |
| 3050 | |
| 3051 | if (changed && b43_status(dev) >= B43_STAT_INITIALIZED) |
| 3052 | b43_adjust_opmode(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3053 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 3054 | } |
| 3055 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3056 | static int b43_op_config_interface(struct ieee80211_hw *hw, |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 3057 | struct ieee80211_vif *vif, |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3058 | struct ieee80211_if_conf *conf) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3059 | { |
| 3060 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3061 | struct b43_wldev *dev = wl->current_dev; |
| 3062 | unsigned long flags; |
| 3063 | |
| 3064 | if (!dev) |
| 3065 | return -ENODEV; |
| 3066 | mutex_lock(&wl->mutex); |
| 3067 | spin_lock_irqsave(&wl->irq_lock, flags); |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 3068 | B43_WARN_ON(wl->vif != vif); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3069 | if (conf->bssid) |
| 3070 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); |
| 3071 | else |
| 3072 | memset(wl->bssid, 0, ETH_ALEN); |
| 3073 | if (b43_status(dev) >= B43_STAT_INITIALIZED) { |
| 3074 | if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) { |
| 3075 | B43_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP); |
| 3076 | b43_set_ssid(dev, conf->ssid, conf->ssid_len); |
| 3077 | if (conf->beacon) |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3078 | b43_update_templates(wl, conf->beacon); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3079 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3080 | b43_write_mac_bssid_templates(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3081 | } |
| 3082 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 3083 | mutex_unlock(&wl->mutex); |
| 3084 | |
| 3085 | return 0; |
| 3086 | } |
| 3087 | |
| 3088 | /* Locking: wl->mutex */ |
| 3089 | static void b43_wireless_core_stop(struct b43_wldev *dev) |
| 3090 | { |
| 3091 | struct b43_wl *wl = dev->wl; |
| 3092 | unsigned long flags; |
| 3093 | |
| 3094 | if (b43_status(dev) < B43_STAT_STARTED) |
| 3095 | return; |
Stefano Brivio | a19d12d | 2007-11-07 18:16:11 +0100 | [diff] [blame] | 3096 | |
| 3097 | /* Disable and sync interrupts. We must do this before than |
| 3098 | * setting the status to INITIALIZED, as the interrupt handler |
| 3099 | * won't care about IRQs then. */ |
| 3100 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 3101 | dev->irq_savedstate = b43_interrupt_disable(dev, B43_IRQ_ALL); |
| 3102 | b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); /* flush */ |
| 3103 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 3104 | b43_synchronize_irq(dev); |
| 3105 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3106 | b43_set_status(dev, B43_STAT_INITIALIZED); |
| 3107 | |
| 3108 | mutex_unlock(&wl->mutex); |
| 3109 | /* Must unlock as it would otherwise deadlock. No races here. |
| 3110 | * Cancel the possibly running self-rearming periodic work. */ |
| 3111 | cancel_delayed_work_sync(&dev->periodic_work); |
| 3112 | mutex_lock(&wl->mutex); |
| 3113 | |
| 3114 | ieee80211_stop_queues(wl->hw); //FIXME this could cause a deadlock, as mac80211 seems buggy. |
| 3115 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3116 | b43_mac_suspend(dev); |
| 3117 | free_irq(dev->dev->irq, dev); |
| 3118 | b43dbg(wl, "Wireless interface stopped\n"); |
| 3119 | } |
| 3120 | |
| 3121 | /* Locking: wl->mutex */ |
| 3122 | static int b43_wireless_core_start(struct b43_wldev *dev) |
| 3123 | { |
| 3124 | int err; |
| 3125 | |
| 3126 | B43_WARN_ON(b43_status(dev) != B43_STAT_INITIALIZED); |
| 3127 | |
| 3128 | drain_txstatus_queue(dev); |
| 3129 | err = request_irq(dev->dev->irq, b43_interrupt_handler, |
| 3130 | IRQF_SHARED, KBUILD_MODNAME, dev); |
| 3131 | if (err) { |
| 3132 | b43err(dev->wl, "Cannot request IRQ-%d\n", dev->dev->irq); |
| 3133 | goto out; |
| 3134 | } |
| 3135 | |
| 3136 | /* We are ready to run. */ |
| 3137 | b43_set_status(dev, B43_STAT_STARTED); |
| 3138 | |
| 3139 | /* Start data flow (TX/RX). */ |
| 3140 | b43_mac_enable(dev); |
| 3141 | b43_interrupt_enable(dev, dev->irq_savedstate); |
| 3142 | ieee80211_start_queues(dev->wl->hw); |
| 3143 | |
| 3144 | /* Start maintainance work */ |
| 3145 | b43_periodic_tasks_setup(dev); |
| 3146 | |
| 3147 | b43dbg(dev->wl, "Wireless interface started\n"); |
| 3148 | out: |
| 3149 | return err; |
| 3150 | } |
| 3151 | |
| 3152 | /* Get PHY and RADIO versioning numbers */ |
| 3153 | static int b43_phy_versioning(struct b43_wldev *dev) |
| 3154 | { |
| 3155 | struct b43_phy *phy = &dev->phy; |
| 3156 | u32 tmp; |
| 3157 | u8 analog_type; |
| 3158 | u8 phy_type; |
| 3159 | u8 phy_rev; |
| 3160 | u16 radio_manuf; |
| 3161 | u16 radio_ver; |
| 3162 | u16 radio_rev; |
| 3163 | int unsupported = 0; |
| 3164 | |
| 3165 | /* Get PHY versioning */ |
| 3166 | tmp = b43_read16(dev, B43_MMIO_PHY_VER); |
| 3167 | analog_type = (tmp & B43_PHYVER_ANALOG) >> B43_PHYVER_ANALOG_SHIFT; |
| 3168 | phy_type = (tmp & B43_PHYVER_TYPE) >> B43_PHYVER_TYPE_SHIFT; |
| 3169 | phy_rev = (tmp & B43_PHYVER_VERSION); |
| 3170 | switch (phy_type) { |
| 3171 | case B43_PHYTYPE_A: |
| 3172 | if (phy_rev >= 4) |
| 3173 | unsupported = 1; |
| 3174 | break; |
| 3175 | case B43_PHYTYPE_B: |
| 3176 | if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 |
| 3177 | && phy_rev != 7) |
| 3178 | unsupported = 1; |
| 3179 | break; |
| 3180 | case B43_PHYTYPE_G: |
Larry Finger | 013978b | 2007-11-26 10:29:47 -0600 | [diff] [blame] | 3181 | if (phy_rev > 9) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3182 | unsupported = 1; |
| 3183 | break; |
Michael Buesch | d5c71e4 | 2008-01-04 17:06:29 +0100 | [diff] [blame] | 3184 | #ifdef CONFIG_B43_NPHY |
| 3185 | case B43_PHYTYPE_N: |
| 3186 | if (phy_rev > 1) |
| 3187 | unsupported = 1; |
| 3188 | break; |
| 3189 | #endif |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3190 | default: |
| 3191 | unsupported = 1; |
| 3192 | }; |
| 3193 | if (unsupported) { |
| 3194 | b43err(dev->wl, "FOUND UNSUPPORTED PHY " |
| 3195 | "(Analog %u, Type %u, Revision %u)\n", |
| 3196 | analog_type, phy_type, phy_rev); |
| 3197 | return -EOPNOTSUPP; |
| 3198 | } |
| 3199 | b43dbg(dev->wl, "Found PHY: Analog %u, Type %u, Revision %u\n", |
| 3200 | analog_type, phy_type, phy_rev); |
| 3201 | |
| 3202 | /* Get RADIO versioning */ |
| 3203 | if (dev->dev->bus->chip_id == 0x4317) { |
| 3204 | if (dev->dev->bus->chip_rev == 0) |
| 3205 | tmp = 0x3205017F; |
| 3206 | else if (dev->dev->bus->chip_rev == 1) |
| 3207 | tmp = 0x4205017F; |
| 3208 | else |
| 3209 | tmp = 0x5205017F; |
| 3210 | } else { |
| 3211 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID); |
Michael Buesch | 243dcfc | 2008-01-13 14:12:44 +0100 | [diff] [blame] | 3212 | tmp = b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3213 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, B43_RADIOCTL_ID); |
Michael Buesch | 243dcfc | 2008-01-13 14:12:44 +0100 | [diff] [blame] | 3214 | tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) << 16; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3215 | } |
| 3216 | radio_manuf = (tmp & 0x00000FFF); |
| 3217 | radio_ver = (tmp & 0x0FFFF000) >> 12; |
| 3218 | radio_rev = (tmp & 0xF0000000) >> 28; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3219 | if (radio_manuf != 0x17F /* Broadcom */) |
| 3220 | unsupported = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3221 | switch (phy_type) { |
| 3222 | case B43_PHYTYPE_A: |
| 3223 | if (radio_ver != 0x2060) |
| 3224 | unsupported = 1; |
| 3225 | if (radio_rev != 1) |
| 3226 | unsupported = 1; |
| 3227 | if (radio_manuf != 0x17F) |
| 3228 | unsupported = 1; |
| 3229 | break; |
| 3230 | case B43_PHYTYPE_B: |
| 3231 | if ((radio_ver & 0xFFF0) != 0x2050) |
| 3232 | unsupported = 1; |
| 3233 | break; |
| 3234 | case B43_PHYTYPE_G: |
| 3235 | if (radio_ver != 0x2050) |
| 3236 | unsupported = 1; |
| 3237 | break; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3238 | case B43_PHYTYPE_N: |
Michael Buesch | 243dcfc | 2008-01-13 14:12:44 +0100 | [diff] [blame] | 3239 | if (radio_ver != 0x2055) |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3240 | unsupported = 1; |
| 3241 | break; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3242 | default: |
| 3243 | B43_WARN_ON(1); |
| 3244 | } |
| 3245 | if (unsupported) { |
| 3246 | b43err(dev->wl, "FOUND UNSUPPORTED RADIO " |
| 3247 | "(Manuf 0x%X, Version 0x%X, Revision %u)\n", |
| 3248 | radio_manuf, radio_ver, radio_rev); |
| 3249 | return -EOPNOTSUPP; |
| 3250 | } |
| 3251 | b43dbg(dev->wl, "Found Radio: Manuf 0x%X, Version 0x%X, Revision %u\n", |
| 3252 | radio_manuf, radio_ver, radio_rev); |
| 3253 | |
| 3254 | phy->radio_manuf = radio_manuf; |
| 3255 | phy->radio_ver = radio_ver; |
| 3256 | phy->radio_rev = radio_rev; |
| 3257 | |
| 3258 | phy->analog = analog_type; |
| 3259 | phy->type = phy_type; |
| 3260 | phy->rev = phy_rev; |
| 3261 | |
| 3262 | return 0; |
| 3263 | } |
| 3264 | |
| 3265 | static void setup_struct_phy_for_init(struct b43_wldev *dev, |
| 3266 | struct b43_phy *phy) |
| 3267 | { |
| 3268 | struct b43_txpower_lo_control *lo; |
| 3269 | int i; |
| 3270 | |
| 3271 | memset(phy->minlowsig, 0xFF, sizeof(phy->minlowsig)); |
| 3272 | memset(phy->minlowsigpos, 0, sizeof(phy->minlowsigpos)); |
| 3273 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3274 | phy->aci_enable = 0; |
| 3275 | phy->aci_wlan_automatic = 0; |
| 3276 | phy->aci_hw_rssi = 0; |
| 3277 | |
Michael Buesch | fda9abc | 2007-09-20 22:14:18 +0200 | [diff] [blame] | 3278 | phy->radio_off_context.valid = 0; |
| 3279 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3280 | lo = phy->lo_control; |
| 3281 | if (lo) { |
| 3282 | memset(lo, 0, sizeof(*(phy->lo_control))); |
| 3283 | lo->rebuild = 1; |
| 3284 | lo->tx_bias = 0xFF; |
| 3285 | } |
| 3286 | phy->max_lb_gain = 0; |
| 3287 | phy->trsw_rx_gain = 0; |
| 3288 | phy->txpwr_offset = 0; |
| 3289 | |
| 3290 | /* NRSSI */ |
| 3291 | phy->nrssislope = 0; |
| 3292 | for (i = 0; i < ARRAY_SIZE(phy->nrssi); i++) |
| 3293 | phy->nrssi[i] = -1000; |
| 3294 | for (i = 0; i < ARRAY_SIZE(phy->nrssi_lt); i++) |
| 3295 | phy->nrssi_lt[i] = i; |
| 3296 | |
| 3297 | phy->lofcal = 0xFFFF; |
| 3298 | phy->initval = 0xFFFF; |
| 3299 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3300 | phy->interfmode = B43_INTERFMODE_NONE; |
| 3301 | phy->channel = 0xFF; |
| 3302 | |
| 3303 | phy->hardware_power_control = !!modparam_hwpctl; |
Michael Buesch | 8ed7fc4 | 2007-12-09 22:34:59 +0100 | [diff] [blame] | 3304 | |
| 3305 | /* PHY TX errors counter. */ |
| 3306 | atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); |
| 3307 | |
| 3308 | /* OFDM-table address caching. */ |
| 3309 | phy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3310 | } |
| 3311 | |
| 3312 | static void setup_struct_wldev_for_init(struct b43_wldev *dev) |
| 3313 | { |
Michael Buesch | aa6c7ae | 2007-12-26 16:26:36 +0100 | [diff] [blame] | 3314 | dev->dfq_valid = 0; |
| 3315 | |
Michael Buesch | 6a724d6 | 2007-09-20 22:12:58 +0200 | [diff] [blame] | 3316 | /* Assume the radio is enabled. If it's not enabled, the state will |
| 3317 | * immediately get fixed on the first periodic work run. */ |
| 3318 | dev->radio_hw_enable = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3319 | |
| 3320 | /* Stats */ |
| 3321 | memset(&dev->stats, 0, sizeof(dev->stats)); |
| 3322 | |
| 3323 | setup_struct_phy_for_init(dev, &dev->phy); |
| 3324 | |
| 3325 | /* IRQ related flags */ |
| 3326 | dev->irq_reason = 0; |
| 3327 | memset(dev->dma_reason, 0, sizeof(dev->dma_reason)); |
| 3328 | dev->irq_savedstate = B43_IRQ_MASKTEMPLATE; |
| 3329 | |
| 3330 | dev->mac_suspended = 1; |
| 3331 | |
| 3332 | /* Noise calculation context */ |
| 3333 | memset(&dev->noisecalc, 0, sizeof(dev->noisecalc)); |
| 3334 | } |
| 3335 | |
| 3336 | static void b43_bluetooth_coext_enable(struct b43_wldev *dev) |
| 3337 | { |
| 3338 | struct ssb_sprom *sprom = &dev->dev->bus->sprom; |
| 3339 | u32 hf; |
| 3340 | |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 3341 | if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST)) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3342 | return; |
| 3343 | if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode) |
| 3344 | return; |
| 3345 | |
| 3346 | hf = b43_hf_read(dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 3347 | if (sprom->boardflags_lo & B43_BFL_BTCMOD) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3348 | hf |= B43_HF_BTCOEXALT; |
| 3349 | else |
| 3350 | hf |= B43_HF_BTCOEX; |
| 3351 | b43_hf_write(dev, hf); |
| 3352 | //TODO |
| 3353 | } |
| 3354 | |
| 3355 | static void b43_bluetooth_coext_disable(struct b43_wldev *dev) |
| 3356 | { //TODO |
| 3357 | } |
| 3358 | |
| 3359 | static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev) |
| 3360 | { |
| 3361 | #ifdef CONFIG_SSB_DRIVER_PCICORE |
| 3362 | struct ssb_bus *bus = dev->dev->bus; |
| 3363 | u32 tmp; |
| 3364 | |
| 3365 | if (bus->pcicore.dev && |
| 3366 | bus->pcicore.dev->id.coreid == SSB_DEV_PCI && |
| 3367 | bus->pcicore.dev->id.revision <= 5) { |
| 3368 | /* IMCFGLO timeouts workaround. */ |
| 3369 | tmp = ssb_read32(dev->dev, SSB_IMCFGLO); |
| 3370 | tmp &= ~SSB_IMCFGLO_REQTO; |
| 3371 | tmp &= ~SSB_IMCFGLO_SERTO; |
| 3372 | switch (bus->bustype) { |
| 3373 | case SSB_BUSTYPE_PCI: |
| 3374 | case SSB_BUSTYPE_PCMCIA: |
| 3375 | tmp |= 0x32; |
| 3376 | break; |
| 3377 | case SSB_BUSTYPE_SSB: |
| 3378 | tmp |= 0x53; |
| 3379 | break; |
| 3380 | } |
| 3381 | ssb_write32(dev->dev, SSB_IMCFGLO, tmp); |
| 3382 | } |
| 3383 | #endif /* CONFIG_SSB_DRIVER_PCICORE */ |
| 3384 | } |
| 3385 | |
Michael Buesch | 74cfdba | 2007-10-28 16:19:44 +0100 | [diff] [blame] | 3386 | /* Write the short and long frame retry limit values. */ |
| 3387 | static void b43_set_retry_limits(struct b43_wldev *dev, |
| 3388 | unsigned int short_retry, |
| 3389 | unsigned int long_retry) |
| 3390 | { |
| 3391 | /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing |
| 3392 | * the chip-internal counter. */ |
| 3393 | short_retry = min(short_retry, (unsigned int)0xF); |
| 3394 | long_retry = min(long_retry, (unsigned int)0xF); |
| 3395 | |
| 3396 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, |
| 3397 | short_retry); |
| 3398 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, |
| 3399 | long_retry); |
| 3400 | } |
| 3401 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3402 | /* Shutdown a wireless core */ |
| 3403 | /* Locking: wl->mutex */ |
| 3404 | static void b43_wireless_core_exit(struct b43_wldev *dev) |
| 3405 | { |
| 3406 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 3407 | u32 macctl; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3408 | |
| 3409 | B43_WARN_ON(b43_status(dev) > B43_STAT_INITIALIZED); |
| 3410 | if (b43_status(dev) != B43_STAT_INITIALIZED) |
| 3411 | return; |
| 3412 | b43_set_status(dev, B43_STAT_UNINIT); |
| 3413 | |
Michael Buesch | 1f7d87b | 2008-01-22 20:23:34 +0100 | [diff] [blame] | 3414 | /* Stop the microcode PSM. */ |
| 3415 | macctl = b43_read32(dev, B43_MMIO_MACCTL); |
| 3416 | macctl &= ~B43_MACCTL_PSM_RUN; |
| 3417 | macctl |= B43_MACCTL_PSM_JMP0; |
| 3418 | b43_write32(dev, B43_MMIO_MACCTL, macctl); |
| 3419 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 3420 | b43_leds_exit(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3421 | b43_rng_exit(dev->wl); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3422 | b43_dma_free(dev); |
| 3423 | b43_chip_exit(dev); |
Michael Buesch | 8e9f752 | 2007-09-27 21:35:34 +0200 | [diff] [blame] | 3424 | b43_radio_turn_off(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3425 | b43_switch_analog(dev, 0); |
| 3426 | if (phy->dyn_tssi_tbl) |
| 3427 | kfree(phy->tssi2dbm); |
| 3428 | kfree(phy->lo_control); |
| 3429 | phy->lo_control = NULL; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3430 | if (dev->wl->current_beacon) { |
| 3431 | dev_kfree_skb_any(dev->wl->current_beacon); |
| 3432 | dev->wl->current_beacon = NULL; |
| 3433 | } |
| 3434 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3435 | ssb_device_disable(dev->dev, 0); |
| 3436 | ssb_bus_may_powerdown(dev->dev->bus); |
| 3437 | } |
| 3438 | |
| 3439 | /* Initialize a wireless core */ |
| 3440 | static int b43_wireless_core_init(struct b43_wldev *dev) |
| 3441 | { |
| 3442 | struct b43_wl *wl = dev->wl; |
| 3443 | struct ssb_bus *bus = dev->dev->bus; |
| 3444 | struct ssb_sprom *sprom = &bus->sprom; |
| 3445 | struct b43_phy *phy = &dev->phy; |
| 3446 | int err; |
| 3447 | u32 hf, tmp; |
| 3448 | |
| 3449 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
| 3450 | |
| 3451 | err = ssb_bus_powerup(bus, 0); |
| 3452 | if (err) |
| 3453 | goto out; |
| 3454 | if (!ssb_device_is_enabled(dev->dev)) { |
| 3455 | tmp = phy->gmode ? B43_TMSLOW_GMODE : 0; |
| 3456 | b43_wireless_core_reset(dev, tmp); |
| 3457 | } |
| 3458 | |
| 3459 | if ((phy->type == B43_PHYTYPE_B) || (phy->type == B43_PHYTYPE_G)) { |
| 3460 | phy->lo_control = |
| 3461 | kzalloc(sizeof(*(phy->lo_control)), GFP_KERNEL); |
| 3462 | if (!phy->lo_control) { |
| 3463 | err = -ENOMEM; |
| 3464 | goto err_busdown; |
| 3465 | } |
| 3466 | } |
| 3467 | setup_struct_wldev_for_init(dev); |
| 3468 | |
| 3469 | err = b43_phy_init_tssi2dbm_table(dev); |
| 3470 | if (err) |
| 3471 | goto err_kfree_lo_control; |
| 3472 | |
| 3473 | /* Enable IRQ routing to this device. */ |
| 3474 | ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev); |
| 3475 | |
| 3476 | b43_imcfglo_timeouts_workaround(dev); |
| 3477 | b43_bluetooth_coext_disable(dev); |
| 3478 | b43_phy_early_init(dev); |
| 3479 | err = b43_chip_init(dev); |
| 3480 | if (err) |
| 3481 | goto err_kfree_tssitbl; |
| 3482 | b43_shm_write16(dev, B43_SHM_SHARED, |
| 3483 | B43_SHM_SH_WLCOREREV, dev->dev->id.revision); |
| 3484 | hf = b43_hf_read(dev); |
| 3485 | if (phy->type == B43_PHYTYPE_G) { |
| 3486 | hf |= B43_HF_SYMW; |
| 3487 | if (phy->rev == 1) |
| 3488 | hf |= B43_HF_GDCW; |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 3489 | if (sprom->boardflags_lo & B43_BFL_PACTRL) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3490 | hf |= B43_HF_OFDMPABOOST; |
| 3491 | } else if (phy->type == B43_PHYTYPE_B) { |
| 3492 | hf |= B43_HF_SYMW; |
| 3493 | if (phy->rev >= 2 && phy->radio_ver == 0x2050) |
| 3494 | hf &= ~B43_HF_GDCW; |
| 3495 | } |
| 3496 | b43_hf_write(dev, hf); |
| 3497 | |
Michael Buesch | 74cfdba | 2007-10-28 16:19:44 +0100 | [diff] [blame] | 3498 | b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT, |
| 3499 | B43_DEFAULT_LONG_RETRY_LIMIT); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3500 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3); |
| 3501 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2); |
| 3502 | |
| 3503 | /* Disable sending probe responses from firmware. |
| 3504 | * Setting the MaxTime to one usec will always trigger |
| 3505 | * a timeout, so we never send any probe resp. |
| 3506 | * A timeout of zero is infinite. */ |
| 3507 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1); |
| 3508 | |
| 3509 | b43_rate_memory_init(dev); |
| 3510 | |
| 3511 | /* Minimum Contention Window */ |
| 3512 | if (phy->type == B43_PHYTYPE_B) { |
| 3513 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0x1F); |
| 3514 | } else { |
| 3515 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MINCONT, 0xF); |
| 3516 | } |
| 3517 | /* Maximum Contention Window */ |
| 3518 | b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF); |
| 3519 | |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 3520 | err = b43_dma_init(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3521 | if (err) |
| 3522 | goto err_chip_exit; |
Michael Buesch | 03b2977 | 2007-12-26 14:41:30 +0100 | [diff] [blame] | 3523 | b43_qos_init(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3524 | |
| 3525 | //FIXME |
| 3526 | #if 1 |
| 3527 | b43_write16(dev, 0x0612, 0x0050); |
| 3528 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0416, 0x0050); |
| 3529 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0414, 0x01F4); |
| 3530 | #endif |
| 3531 | |
| 3532 | b43_bluetooth_coext_enable(dev); |
| 3533 | |
| 3534 | ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */ |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3535 | b43_upload_card_macaddress(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3536 | b43_security_init(dev); |
| 3537 | b43_rng_init(wl); |
| 3538 | |
| 3539 | b43_set_status(dev, B43_STAT_INITIALIZED); |
| 3540 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 3541 | b43_leds_init(dev); |
| 3542 | out: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3543 | return err; |
| 3544 | |
| 3545 | err_chip_exit: |
| 3546 | b43_chip_exit(dev); |
| 3547 | err_kfree_tssitbl: |
| 3548 | if (phy->dyn_tssi_tbl) |
| 3549 | kfree(phy->tssi2dbm); |
| 3550 | err_kfree_lo_control: |
| 3551 | kfree(phy->lo_control); |
| 3552 | phy->lo_control = NULL; |
| 3553 | err_busdown: |
| 3554 | ssb_bus_may_powerdown(bus); |
| 3555 | B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT); |
| 3556 | return err; |
| 3557 | } |
| 3558 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3559 | static int b43_op_add_interface(struct ieee80211_hw *hw, |
| 3560 | struct ieee80211_if_init_conf *conf) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3561 | { |
| 3562 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3563 | struct b43_wldev *dev; |
| 3564 | unsigned long flags; |
| 3565 | int err = -EOPNOTSUPP; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3566 | |
| 3567 | /* TODO: allow WDS/AP devices to coexist */ |
| 3568 | |
| 3569 | if (conf->type != IEEE80211_IF_TYPE_AP && |
| 3570 | conf->type != IEEE80211_IF_TYPE_STA && |
| 3571 | conf->type != IEEE80211_IF_TYPE_WDS && |
| 3572 | conf->type != IEEE80211_IF_TYPE_IBSS) |
| 3573 | return -EOPNOTSUPP; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3574 | |
| 3575 | mutex_lock(&wl->mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3576 | if (wl->operating) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3577 | goto out_mutex_unlock; |
| 3578 | |
| 3579 | b43dbg(wl, "Adding Interface type %d\n", conf->type); |
| 3580 | |
| 3581 | dev = wl->current_dev; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3582 | wl->operating = 1; |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 3583 | wl->vif = conf->vif; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3584 | wl->if_type = conf->type; |
| 3585 | memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3586 | |
| 3587 | spin_lock_irqsave(&wl->irq_lock, flags); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3588 | b43_adjust_opmode(dev); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3589 | b43_upload_card_macaddress(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3590 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 3591 | |
| 3592 | err = 0; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3593 | out_mutex_unlock: |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3594 | mutex_unlock(&wl->mutex); |
| 3595 | |
| 3596 | return err; |
| 3597 | } |
| 3598 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3599 | static void b43_op_remove_interface(struct ieee80211_hw *hw, |
| 3600 | struct ieee80211_if_init_conf *conf) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3601 | { |
| 3602 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3603 | struct b43_wldev *dev = wl->current_dev; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3604 | unsigned long flags; |
| 3605 | |
| 3606 | b43dbg(wl, "Removing Interface type %d\n", conf->type); |
| 3607 | |
| 3608 | mutex_lock(&wl->mutex); |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3609 | |
| 3610 | B43_WARN_ON(!wl->operating); |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 3611 | B43_WARN_ON(wl->vif != conf->vif); |
| 3612 | wl->vif = NULL; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3613 | |
| 3614 | wl->operating = 0; |
| 3615 | |
| 3616 | spin_lock_irqsave(&wl->irq_lock, flags); |
| 3617 | b43_adjust_opmode(dev); |
| 3618 | memset(wl->mac_addr, 0, ETH_ALEN); |
| 3619 | b43_upload_card_macaddress(dev); |
| 3620 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
| 3621 | |
| 3622 | mutex_unlock(&wl->mutex); |
| 3623 | } |
| 3624 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3625 | static int b43_op_start(struct ieee80211_hw *hw) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3626 | { |
| 3627 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3628 | struct b43_wldev *dev = wl->current_dev; |
| 3629 | int did_init = 0; |
WANG Cong | 923403b | 2007-10-16 14:29:38 -0700 | [diff] [blame] | 3630 | int err = 0; |
Michael Buesch | 1946a2c | 2008-01-23 12:02:35 +0100 | [diff] [blame] | 3631 | bool do_rfkill_exit = 0; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3632 | |
Michael Buesch | 7be1bb6 | 2008-01-23 21:10:56 +0100 | [diff] [blame] | 3633 | /* Kill all old instance specific information to make sure |
| 3634 | * the card won't use it in the short timeframe between start |
| 3635 | * and mac80211 reconfiguring it. */ |
| 3636 | memset(wl->bssid, 0, ETH_ALEN); |
| 3637 | memset(wl->mac_addr, 0, ETH_ALEN); |
| 3638 | wl->filter_flags = 0; |
| 3639 | wl->radiotap_enabled = 0; |
| 3640 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 3641 | /* First register RFkill. |
| 3642 | * LEDs that are registered later depend on it. */ |
| 3643 | b43_rfkill_init(dev); |
| 3644 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3645 | mutex_lock(&wl->mutex); |
| 3646 | |
| 3647 | if (b43_status(dev) < B43_STAT_INITIALIZED) { |
| 3648 | err = b43_wireless_core_init(dev); |
Michael Buesch | 1946a2c | 2008-01-23 12:02:35 +0100 | [diff] [blame] | 3649 | if (err) { |
| 3650 | do_rfkill_exit = 1; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3651 | goto out_mutex_unlock; |
Michael Buesch | 1946a2c | 2008-01-23 12:02:35 +0100 | [diff] [blame] | 3652 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3653 | did_init = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3654 | } |
| 3655 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3656 | if (b43_status(dev) < B43_STAT_STARTED) { |
| 3657 | err = b43_wireless_core_start(dev); |
| 3658 | if (err) { |
| 3659 | if (did_init) |
| 3660 | b43_wireless_core_exit(dev); |
Michael Buesch | 1946a2c | 2008-01-23 12:02:35 +0100 | [diff] [blame] | 3661 | do_rfkill_exit = 1; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3662 | goto out_mutex_unlock; |
| 3663 | } |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3664 | } |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3665 | |
| 3666 | out_mutex_unlock: |
| 3667 | mutex_unlock(&wl->mutex); |
| 3668 | |
Michael Buesch | 1946a2c | 2008-01-23 12:02:35 +0100 | [diff] [blame] | 3669 | if (do_rfkill_exit) |
| 3670 | b43_rfkill_exit(dev); |
| 3671 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3672 | return err; |
| 3673 | } |
| 3674 | |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3675 | static void b43_op_stop(struct ieee80211_hw *hw) |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3676 | { |
| 3677 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3678 | struct b43_wldev *dev = wl->current_dev; |
| 3679 | |
Larry Finger | 1a8d122 | 2007-12-14 13:59:11 +0100 | [diff] [blame] | 3680 | b43_rfkill_exit(dev); |
| 3681 | |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 3682 | mutex_lock(&wl->mutex); |
| 3683 | if (b43_status(dev) >= B43_STAT_STARTED) |
| 3684 | b43_wireless_core_stop(dev); |
| 3685 | b43_wireless_core_exit(dev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3686 | mutex_unlock(&wl->mutex); |
| 3687 | } |
| 3688 | |
Michael Buesch | 74cfdba | 2007-10-28 16:19:44 +0100 | [diff] [blame] | 3689 | static int b43_op_set_retry_limit(struct ieee80211_hw *hw, |
| 3690 | u32 short_retry_limit, u32 long_retry_limit) |
| 3691 | { |
| 3692 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3693 | struct b43_wldev *dev; |
| 3694 | int err = 0; |
| 3695 | |
| 3696 | mutex_lock(&wl->mutex); |
| 3697 | dev = wl->current_dev; |
| 3698 | if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) { |
| 3699 | err = -ENODEV; |
| 3700 | goto out_unlock; |
| 3701 | } |
| 3702 | b43_set_retry_limits(dev, short_retry_limit, long_retry_limit); |
| 3703 | out_unlock: |
| 3704 | mutex_unlock(&wl->mutex); |
| 3705 | |
| 3706 | return err; |
| 3707 | } |
| 3708 | |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3709 | static int b43_op_beacon_set_tim(struct ieee80211_hw *hw, int aid, int set) |
| 3710 | { |
| 3711 | struct b43_wl *wl = hw_to_b43_wl(hw); |
| 3712 | struct sk_buff *beacon; |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 3713 | unsigned long flags; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3714 | |
| 3715 | /* We could modify the existing beacon and set the aid bit in |
| 3716 | * the TIM field, but that would probably require resizing and |
| 3717 | * moving of data within the beacon template. |
| 3718 | * Simply request a new beacon and let mac80211 do the hard work. */ |
| 3719 | beacon = ieee80211_beacon_get(hw, wl->vif, NULL); |
| 3720 | if (unlikely(!beacon)) |
| 3721 | return -ENOMEM; |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 3722 | spin_lock_irqsave(&wl->irq_lock, flags); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3723 | b43_update_templates(wl, beacon); |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 3724 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3725 | |
| 3726 | return 0; |
| 3727 | } |
| 3728 | |
| 3729 | static int b43_op_ibss_beacon_update(struct ieee80211_hw *hw, |
| 3730 | struct sk_buff *beacon, |
| 3731 | struct ieee80211_tx_control *ctl) |
| 3732 | { |
| 3733 | struct b43_wl *wl = hw_to_b43_wl(hw); |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 3734 | unsigned long flags; |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3735 | |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 3736 | spin_lock_irqsave(&wl->irq_lock, flags); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3737 | b43_update_templates(wl, beacon); |
Michael Buesch | d4df6f1 | 2007-12-26 18:04:14 +0100 | [diff] [blame] | 3738 | spin_unlock_irqrestore(&wl->irq_lock, flags); |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3739 | |
| 3740 | return 0; |
| 3741 | } |
| 3742 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3743 | static const struct ieee80211_ops b43_hw_ops = { |
Michael Buesch | 40faacc | 2007-10-28 16:29:32 +0100 | [diff] [blame] | 3744 | .tx = b43_op_tx, |
| 3745 | .conf_tx = b43_op_conf_tx, |
| 3746 | .add_interface = b43_op_add_interface, |
| 3747 | .remove_interface = b43_op_remove_interface, |
| 3748 | .config = b43_op_config, |
| 3749 | .config_interface = b43_op_config_interface, |
| 3750 | .configure_filter = b43_op_configure_filter, |
| 3751 | .set_key = b43_op_set_key, |
| 3752 | .get_stats = b43_op_get_stats, |
| 3753 | .get_tx_stats = b43_op_get_tx_stats, |
| 3754 | .start = b43_op_start, |
| 3755 | .stop = b43_op_stop, |
Michael Buesch | 74cfdba | 2007-10-28 16:19:44 +0100 | [diff] [blame] | 3756 | .set_retry_limit = b43_op_set_retry_limit, |
Michael Buesch | e66fee6 | 2007-12-26 17:47:10 +0100 | [diff] [blame] | 3757 | .set_tim = b43_op_beacon_set_tim, |
| 3758 | .beacon_update = b43_op_ibss_beacon_update, |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3759 | }; |
| 3760 | |
| 3761 | /* Hard-reset the chip. Do not call this directly. |
| 3762 | * Use b43_controller_restart() |
| 3763 | */ |
| 3764 | static void b43_chip_reset(struct work_struct *work) |
| 3765 | { |
| 3766 | struct b43_wldev *dev = |
| 3767 | container_of(work, struct b43_wldev, restart_work); |
| 3768 | struct b43_wl *wl = dev->wl; |
| 3769 | int err = 0; |
| 3770 | int prev_status; |
| 3771 | |
| 3772 | mutex_lock(&wl->mutex); |
| 3773 | |
| 3774 | prev_status = b43_status(dev); |
| 3775 | /* Bring the device down... */ |
| 3776 | if (prev_status >= B43_STAT_STARTED) |
| 3777 | b43_wireless_core_stop(dev); |
| 3778 | if (prev_status >= B43_STAT_INITIALIZED) |
| 3779 | b43_wireless_core_exit(dev); |
| 3780 | |
| 3781 | /* ...and up again. */ |
| 3782 | if (prev_status >= B43_STAT_INITIALIZED) { |
| 3783 | err = b43_wireless_core_init(dev); |
| 3784 | if (err) |
| 3785 | goto out; |
| 3786 | } |
| 3787 | if (prev_status >= B43_STAT_STARTED) { |
| 3788 | err = b43_wireless_core_start(dev); |
| 3789 | if (err) { |
| 3790 | b43_wireless_core_exit(dev); |
| 3791 | goto out; |
| 3792 | } |
| 3793 | } |
| 3794 | out: |
| 3795 | mutex_unlock(&wl->mutex); |
| 3796 | if (err) |
| 3797 | b43err(wl, "Controller restart FAILED\n"); |
| 3798 | else |
| 3799 | b43info(wl, "Controller restarted\n"); |
| 3800 | } |
| 3801 | |
| 3802 | static int b43_setup_modes(struct b43_wldev *dev, |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3803 | bool have_2ghz_phy, bool have_5ghz_phy) |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3804 | { |
| 3805 | struct ieee80211_hw *hw = dev->wl->hw; |
| 3806 | struct ieee80211_hw_mode *mode; |
| 3807 | struct b43_phy *phy = &dev->phy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3808 | int err; |
| 3809 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3810 | /* XXX: This function will go away soon, when mac80211 |
| 3811 | * band stuff is rewritten. So this is just a hack. |
| 3812 | * For now we always claim GPHY mode, as there is no |
| 3813 | * support for NPHY and APHY in the device, yet. |
| 3814 | * This assumption is OK, as any B, N or A PHY will already |
| 3815 | * have died a horrible sanity check death earlier. */ |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3816 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3817 | mode = &phy->hwmodes[0]; |
| 3818 | mode->mode = MODE_IEEE80211G; |
| 3819 | mode->num_channels = b43_2ghz_chantable_size; |
| 3820 | mode->channels = b43_2ghz_chantable; |
| 3821 | mode->num_rates = b43_g_ratetable_size; |
| 3822 | mode->rates = b43_g_ratetable; |
| 3823 | err = ieee80211_register_hwmode(hw, mode); |
| 3824 | if (err) |
| 3825 | return err; |
| 3826 | phy->possible_phymodes |= B43_PHYMODE_G; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3827 | |
| 3828 | return 0; |
| 3829 | } |
| 3830 | |
| 3831 | static void b43_wireless_core_detach(struct b43_wldev *dev) |
| 3832 | { |
| 3833 | /* We release firmware that late to not be required to re-request |
| 3834 | * is all the time when we reinit the core. */ |
| 3835 | b43_release_firmware(dev); |
| 3836 | } |
| 3837 | |
| 3838 | static int b43_wireless_core_attach(struct b43_wldev *dev) |
| 3839 | { |
| 3840 | struct b43_wl *wl = dev->wl; |
| 3841 | struct ssb_bus *bus = dev->dev->bus; |
| 3842 | struct pci_dev *pdev = bus->host_pci; |
| 3843 | int err; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3844 | bool have_2ghz_phy = 0, have_5ghz_phy = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3845 | u32 tmp; |
| 3846 | |
| 3847 | /* Do NOT do any device initialization here. |
| 3848 | * Do it in wireless_core_init() instead. |
| 3849 | * This function is for gathering basic information about the HW, only. |
| 3850 | * Also some structs may be set up here. But most likely you want to have |
| 3851 | * that in core_init(), too. |
| 3852 | */ |
| 3853 | |
| 3854 | err = ssb_bus_powerup(bus, 0); |
| 3855 | if (err) { |
| 3856 | b43err(wl, "Bus powerup failed\n"); |
| 3857 | goto out; |
| 3858 | } |
| 3859 | /* Get the PHY type. */ |
| 3860 | if (dev->dev->id.revision >= 5) { |
| 3861 | u32 tmshigh; |
| 3862 | |
| 3863 | tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH); |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3864 | have_2ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_2GHZ_PHY); |
| 3865 | have_5ghz_phy = !!(tmshigh & B43_TMSHIGH_HAVE_5GHZ_PHY); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3866 | } else |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3867 | B43_WARN_ON(1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3868 | |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3869 | dev->phy.gmode = have_2ghz_phy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3870 | tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0; |
| 3871 | b43_wireless_core_reset(dev, tmp); |
| 3872 | |
| 3873 | err = b43_phy_versioning(dev); |
| 3874 | if (err) |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 3875 | goto err_powerdown; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3876 | /* Check if this device supports multiband. */ |
| 3877 | if (!pdev || |
| 3878 | (pdev->device != 0x4312 && |
| 3879 | pdev->device != 0x4319 && pdev->device != 0x4324)) { |
| 3880 | /* No multiband support. */ |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3881 | have_2ghz_phy = 0; |
| 3882 | have_5ghz_phy = 0; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3883 | switch (dev->phy.type) { |
| 3884 | case B43_PHYTYPE_A: |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3885 | have_5ghz_phy = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3886 | break; |
| 3887 | case B43_PHYTYPE_G: |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3888 | case B43_PHYTYPE_N: |
| 3889 | have_2ghz_phy = 1; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3890 | break; |
| 3891 | default: |
| 3892 | B43_WARN_ON(1); |
| 3893 | } |
| 3894 | } |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3895 | if (dev->phy.type == B43_PHYTYPE_A) { |
| 3896 | /* FIXME */ |
| 3897 | b43err(wl, "IEEE 802.11a devices are unsupported\n"); |
| 3898 | err = -EOPNOTSUPP; |
| 3899 | goto err_powerdown; |
| 3900 | } |
| 3901 | dev->phy.gmode = have_2ghz_phy; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3902 | tmp = dev->phy.gmode ? B43_TMSLOW_GMODE : 0; |
| 3903 | b43_wireless_core_reset(dev, tmp); |
| 3904 | |
| 3905 | err = b43_validate_chipaccess(dev); |
| 3906 | if (err) |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 3907 | goto err_powerdown; |
Michael Buesch | 96c755a | 2008-01-06 00:09:46 +0100 | [diff] [blame] | 3908 | err = b43_setup_modes(dev, have_2ghz_phy, have_5ghz_phy); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3909 | if (err) |
Michael Buesch | 21954c3 | 2007-09-27 15:31:40 +0200 | [diff] [blame] | 3910 | goto err_powerdown; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3911 | |
| 3912 | /* Now set some default "current_dev" */ |
| 3913 | if (!wl->current_dev) |
| 3914 | wl->current_dev = dev; |
| 3915 | INIT_WORK(&dev->restart_work, b43_chip_reset); |
| 3916 | |
Michael Buesch | 8e9f752 | 2007-09-27 21:35:34 +0200 | [diff] [blame] | 3917 | b43_radio_turn_off(dev, 1); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3918 | b43_switch_analog(dev, 0); |
| 3919 | ssb_device_disable(dev->dev, 0); |
| 3920 | ssb_bus_may_powerdown(bus); |
| 3921 | |
| 3922 | out: |
| 3923 | return err; |
| 3924 | |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3925 | err_powerdown: |
| 3926 | ssb_bus_may_powerdown(bus); |
| 3927 | return err; |
| 3928 | } |
| 3929 | |
| 3930 | static void b43_one_core_detach(struct ssb_device *dev) |
| 3931 | { |
| 3932 | struct b43_wldev *wldev; |
| 3933 | struct b43_wl *wl; |
| 3934 | |
| 3935 | wldev = ssb_get_drvdata(dev); |
| 3936 | wl = wldev->wl; |
| 3937 | cancel_work_sync(&wldev->restart_work); |
| 3938 | b43_debugfs_remove_device(wldev); |
| 3939 | b43_wireless_core_detach(wldev); |
| 3940 | list_del(&wldev->list); |
| 3941 | wl->nr_devs--; |
| 3942 | ssb_set_drvdata(dev, NULL); |
| 3943 | kfree(wldev); |
| 3944 | } |
| 3945 | |
| 3946 | static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl) |
| 3947 | { |
| 3948 | struct b43_wldev *wldev; |
| 3949 | struct pci_dev *pdev; |
| 3950 | int err = -ENOMEM; |
| 3951 | |
| 3952 | if (!list_empty(&wl->devlist)) { |
| 3953 | /* We are not the first core on this chip. */ |
| 3954 | pdev = dev->bus->host_pci; |
| 3955 | /* Only special chips support more than one wireless |
| 3956 | * core, although some of the other chips have more than |
| 3957 | * one wireless core as well. Check for this and |
| 3958 | * bail out early. |
| 3959 | */ |
| 3960 | if (!pdev || |
| 3961 | ((pdev->device != 0x4321) && |
| 3962 | (pdev->device != 0x4313) && (pdev->device != 0x431A))) { |
| 3963 | b43dbg(wl, "Ignoring unconnected 802.11 core\n"); |
| 3964 | return -ENODEV; |
| 3965 | } |
| 3966 | } |
| 3967 | |
| 3968 | wldev = kzalloc(sizeof(*wldev), GFP_KERNEL); |
| 3969 | if (!wldev) |
| 3970 | goto out; |
| 3971 | |
| 3972 | wldev->dev = dev; |
| 3973 | wldev->wl = wl; |
| 3974 | b43_set_status(wldev, B43_STAT_UNINIT); |
| 3975 | wldev->bad_frames_preempt = modparam_bad_frames_preempt; |
| 3976 | tasklet_init(&wldev->isr_tasklet, |
| 3977 | (void (*)(unsigned long))b43_interrupt_tasklet, |
| 3978 | (unsigned long)wldev); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 3979 | INIT_LIST_HEAD(&wldev->list); |
| 3980 | |
| 3981 | err = b43_wireless_core_attach(wldev); |
| 3982 | if (err) |
| 3983 | goto err_kfree_wldev; |
| 3984 | |
| 3985 | list_add(&wldev->list, &wl->devlist); |
| 3986 | wl->nr_devs++; |
| 3987 | ssb_set_drvdata(dev, wldev); |
| 3988 | b43_debugfs_add_device(wldev); |
| 3989 | |
| 3990 | out: |
| 3991 | return err; |
| 3992 | |
| 3993 | err_kfree_wldev: |
| 3994 | kfree(wldev); |
| 3995 | return err; |
| 3996 | } |
| 3997 | |
| 3998 | static void b43_sprom_fixup(struct ssb_bus *bus) |
| 3999 | { |
| 4000 | /* boardflags workarounds */ |
| 4001 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL && |
| 4002 | bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74) |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4003 | bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4004 | if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && |
| 4005 | bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40) |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4006 | bus->sprom.boardflags_lo |= B43_BFL_PACTRL; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4007 | } |
| 4008 | |
| 4009 | static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl) |
| 4010 | { |
| 4011 | struct ieee80211_hw *hw = wl->hw; |
| 4012 | |
| 4013 | ssb_set_devtypedata(dev, NULL); |
| 4014 | ieee80211_free_hw(hw); |
| 4015 | } |
| 4016 | |
| 4017 | static int b43_wireless_init(struct ssb_device *dev) |
| 4018 | { |
| 4019 | struct ssb_sprom *sprom = &dev->bus->sprom; |
| 4020 | struct ieee80211_hw *hw; |
| 4021 | struct b43_wl *wl; |
| 4022 | int err = -ENOMEM; |
| 4023 | |
| 4024 | b43_sprom_fixup(dev->bus); |
| 4025 | |
| 4026 | hw = ieee80211_alloc_hw(sizeof(*wl), &b43_hw_ops); |
| 4027 | if (!hw) { |
| 4028 | b43err(NULL, "Could not allocate ieee80211 device\n"); |
| 4029 | goto out; |
| 4030 | } |
| 4031 | |
| 4032 | /* fill hw info */ |
Johannes Berg | d8be11e | 2007-11-24 15:06:33 +0100 | [diff] [blame] | 4033 | hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | |
| 4034 | IEEE80211_HW_RX_INCLUDES_FCS; |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4035 | hw->max_signal = 100; |
| 4036 | hw->max_rssi = -110; |
| 4037 | hw->max_noise = -110; |
| 4038 | hw->queues = 1; /* FIXME: hardware has more queues */ |
| 4039 | SET_IEEE80211_DEV(hw, dev->dev); |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4040 | if (is_valid_ether_addr(sprom->et1mac)) |
| 4041 | SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4042 | else |
Larry Finger | 95de284 | 2007-11-09 16:57:18 -0600 | [diff] [blame] | 4043 | SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4044 | |
| 4045 | /* Get and initialize struct b43_wl */ |
| 4046 | wl = hw_to_b43_wl(hw); |
| 4047 | memset(wl, 0, sizeof(*wl)); |
| 4048 | wl->hw = hw; |
| 4049 | spin_lock_init(&wl->irq_lock); |
| 4050 | spin_lock_init(&wl->leds_lock); |
Michael Buesch | 280d0e1 | 2007-12-26 18:26:17 +0100 | [diff] [blame] | 4051 | spin_lock_init(&wl->shm_lock); |
Michael Buesch | e4d6b79 | 2007-09-18 15:39:42 -0400 | [diff] [blame] | 4052 | mutex_init(&wl->mutex); |
| 4053 | INIT_LIST_HEAD(&wl->devlist); |
| 4054 | |
| 4055 | ssb_set_devtypedata(dev, wl); |
| 4056 | b43info(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id); |
| 4057 | err = 0; |
| 4058 | out: |
| 4059 | return err; |
| 4060 | } |
| 4061 | |
| 4062 | static int b43_probe(struct ssb_device *dev, const struct ssb_device_id *id) |
| 4063 | { |
| 4064 | struct b43_wl *wl; |
| 4065 | int err; |
| 4066 | int first = 0; |
| 4067 | |
| 4068 | wl = ssb_get_devtypedata(dev); |
| 4069 | if (!wl) { |
| 4070 | /* Probing the first core. Must setup common struct b43_wl */ |
| 4071 | first = 1; |
| 4072 | err = b43_wireless_init(dev); |
| 4073 | if (err) |
| 4074 | goto out; |
| 4075 | wl = ssb_get_devtypedata(dev); |
| 4076 | B43_WARN_ON(!wl); |
| 4077 | } |
| 4078 | err = b43_one_core_attach(dev, wl); |
| 4079 | if (err) |
| 4080 | goto err_wireless_exit; |
| 4081 | |
| 4082 | if (first) { |
| 4083 | err = ieee80211_register_hw(wl->hw); |
| 4084 | if (err) |
| 4085 | goto err_one_core_detach; |
| 4086 | } |
| 4087 | |
| 4088 | out: |
| 4089 | return err; |
| 4090 | |
| 4091 | err_one_core_detach: |
| 4092 | b43_one_core_detach(dev); |
| 4093 | err_wireless_exit: |
| 4094 | if (first) |
| 4095 | b43_wireless_exit(dev, wl); |
| 4096 | return err; |
| 4097 | } |
| 4098 | |
| 4099 | static void b43_remove(struct ssb_device *dev) |
| 4100 | { |
| 4101 | struct b43_wl *wl = ssb_get_devtypedata(dev); |
| 4102 | struct b43_wldev *wldev = ssb_get_drvdata(dev); |
| 4103 | |
| 4104 | B43_WARN_ON(!wl); |
| 4105 | if (wl->current_dev == wldev) |
| 4106 | ieee80211_unregister_hw(wl->hw); |
| 4107 | |
| 4108 | b43_one_core_detach(dev); |
| 4109 | |
| 4110 | if (list_empty(&wl->devlist)) { |
| 4111 | /* Last core on the chip unregistered. |
| 4112 | * We can destroy common struct b43_wl. |
| 4113 | */ |
| 4114 | b43_wireless_exit(dev, wl); |
| 4115 | } |
| 4116 | } |
| 4117 | |
| 4118 | /* Perform a hardware reset. This can be called from any context. */ |
| 4119 | void b43_controller_restart(struct b43_wldev *dev, const char *reason) |
| 4120 | { |
| 4121 | /* Must avoid requeueing, if we are in shutdown. */ |
| 4122 | if (b43_status(dev) < B43_STAT_INITIALIZED) |
| 4123 | return; |
| 4124 | b43info(dev->wl, "Controller RESET (%s) ...\n", reason); |
| 4125 | queue_work(dev->wl->hw->workqueue, &dev->restart_work); |
| 4126 | } |
| 4127 | |
| 4128 | #ifdef CONFIG_PM |
| 4129 | |
| 4130 | static int b43_suspend(struct ssb_device *dev, pm_message_t state) |
| 4131 | { |
| 4132 | struct b43_wldev *wldev = ssb_get_drvdata(dev); |
| 4133 | struct b43_wl *wl = wldev->wl; |
| 4134 | |
| 4135 | b43dbg(wl, "Suspending...\n"); |
| 4136 | |
| 4137 | mutex_lock(&wl->mutex); |
| 4138 | wldev->suspend_init_status = b43_status(wldev); |
| 4139 | if (wldev->suspend_init_status >= B43_STAT_STARTED) |
| 4140 | b43_wireless_core_stop(wldev); |
| 4141 | if (wldev->suspend_init_status >= B43_STAT_INITIALIZED) |
| 4142 | b43_wireless_core_exit(wldev); |
| 4143 | mutex_unlock(&wl->mutex); |
| 4144 | |
| 4145 | b43dbg(wl, "Device suspended.\n"); |
| 4146 | |
| 4147 | return 0; |
| 4148 | } |
| 4149 | |
| 4150 | static int b43_resume(struct ssb_device *dev) |
| 4151 | { |
| 4152 | struct b43_wldev *wldev = ssb_get_drvdata(dev); |
| 4153 | struct b43_wl *wl = wldev->wl; |
| 4154 | int err = 0; |
| 4155 | |
| 4156 | b43dbg(wl, "Resuming...\n"); |
| 4157 | |
| 4158 | mutex_lock(&wl->mutex); |
| 4159 | if (wldev->suspend_init_status >= B43_STAT_INITIALIZED) { |
| 4160 | err = b43_wireless_core_init(wldev); |
| 4161 | if (err) { |
| 4162 | b43err(wl, "Resume failed at core init\n"); |
| 4163 | goto out; |
| 4164 | } |
| 4165 | } |
| 4166 | if (wldev->suspend_init_status >= B43_STAT_STARTED) { |
| 4167 | err = b43_wireless_core_start(wldev); |
| 4168 | if (err) { |
| 4169 | b43_wireless_core_exit(wldev); |
| 4170 | b43err(wl, "Resume failed at core start\n"); |
| 4171 | goto out; |
| 4172 | } |
| 4173 | } |
| 4174 | mutex_unlock(&wl->mutex); |
| 4175 | |
| 4176 | b43dbg(wl, "Device resumed.\n"); |
| 4177 | out: |
| 4178 | return err; |
| 4179 | } |
| 4180 | |
| 4181 | #else /* CONFIG_PM */ |
| 4182 | # define b43_suspend NULL |
| 4183 | # define b43_resume NULL |
| 4184 | #endif /* CONFIG_PM */ |
| 4185 | |
| 4186 | static struct ssb_driver b43_ssb_driver = { |
| 4187 | .name = KBUILD_MODNAME, |
| 4188 | .id_table = b43_ssb_tbl, |
| 4189 | .probe = b43_probe, |
| 4190 | .remove = b43_remove, |
| 4191 | .suspend = b43_suspend, |
| 4192 | .resume = b43_resume, |
| 4193 | }; |
| 4194 | |
| 4195 | static int __init b43_init(void) |
| 4196 | { |
| 4197 | int err; |
| 4198 | |
| 4199 | b43_debugfs_init(); |
| 4200 | err = b43_pcmcia_init(); |
| 4201 | if (err) |
| 4202 | goto err_dfs_exit; |
| 4203 | err = ssb_driver_register(&b43_ssb_driver); |
| 4204 | if (err) |
| 4205 | goto err_pcmcia_exit; |
| 4206 | |
| 4207 | return err; |
| 4208 | |
| 4209 | err_pcmcia_exit: |
| 4210 | b43_pcmcia_exit(); |
| 4211 | err_dfs_exit: |
| 4212 | b43_debugfs_exit(); |
| 4213 | return err; |
| 4214 | } |
| 4215 | |
| 4216 | static void __exit b43_exit(void) |
| 4217 | { |
| 4218 | ssb_driver_unregister(&b43_ssb_driver); |
| 4219 | b43_pcmcia_exit(); |
| 4220 | b43_debugfs_exit(); |
| 4221 | } |
| 4222 | |
| 4223 | module_init(b43_init) |
| 4224 | module_exit(b43_exit) |