John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1 | /* |
| 2 | |
| 3 | Broadcom BCM43xx wireless driver |
| 4 | |
| 5 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, |
| 6 | Stefano Brivio <st3@riseup.net> |
| 7 | Michael Buesch <mbuesch@freenet.de> |
| 8 | Danny van Dyk <kugelfang@gentoo.org> |
| 9 | 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> |
Michael Buesch | d1ca6c4 | 2006-03-25 15:43:18 +0100 | [diff] [blame] | 41 | #include <linux/dma-mapping.h> |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 42 | #include <net/iw_handler.h> |
| 43 | |
| 44 | #include "bcm43xx.h" |
| 45 | #include "bcm43xx_main.h" |
| 46 | #include "bcm43xx_debugfs.h" |
| 47 | #include "bcm43xx_radio.h" |
| 48 | #include "bcm43xx_phy.h" |
| 49 | #include "bcm43xx_dma.h" |
| 50 | #include "bcm43xx_pio.h" |
| 51 | #include "bcm43xx_power.h" |
| 52 | #include "bcm43xx_wx.h" |
Michael Buesch | 6465ce1 | 2006-02-02 19:11:08 +0100 | [diff] [blame] | 53 | #include "bcm43xx_ethtool.h" |
Michael Buesch | f398f02 | 2006-02-23 21:15:39 +0100 | [diff] [blame] | 54 | #include "bcm43xx_xmit.h" |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 55 | |
| 56 | |
| 57 | MODULE_DESCRIPTION("Broadcom BCM43xx wireless driver"); |
| 58 | MODULE_AUTHOR("Martin Langer"); |
| 59 | MODULE_AUTHOR("Stefano Brivio"); |
| 60 | MODULE_AUTHOR("Michael Buesch"); |
| 61 | MODULE_LICENSE("GPL"); |
| 62 | |
| 63 | #ifdef CONFIG_BCM947XX |
| 64 | extern char *nvram_get(char *name); |
| 65 | #endif |
| 66 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 67 | #if defined(CONFIG_BCM43XX_DMA) && defined(CONFIG_BCM43XX_PIO) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 68 | static int modparam_pio; |
| 69 | module_param_named(pio, modparam_pio, int, 0444); |
| 70 | MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode"); |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 71 | #elif defined(CONFIG_BCM43XX_DMA) |
| 72 | # define modparam_pio 0 |
| 73 | #elif defined(CONFIG_BCM43XX_PIO) |
| 74 | # define modparam_pio 1 |
| 75 | #endif |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 76 | |
| 77 | static int modparam_bad_frames_preempt; |
| 78 | module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444); |
| 79 | MODULE_PARM_DESC(bad_frames_preempt, "enable(1) / disable(0) Bad Frames Preemption"); |
| 80 | |
| 81 | static int modparam_short_retry = BCM43xx_DEFAULT_SHORT_RETRY_LIMIT; |
| 82 | module_param_named(short_retry, modparam_short_retry, int, 0444); |
| 83 | MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)"); |
| 84 | |
| 85 | static int modparam_long_retry = BCM43xx_DEFAULT_LONG_RETRY_LIMIT; |
| 86 | module_param_named(long_retry, modparam_long_retry, int, 0444); |
| 87 | MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)"); |
| 88 | |
| 89 | static int modparam_locale = -1; |
| 90 | module_param_named(locale, modparam_locale, int, 0444); |
| 91 | MODULE_PARM_DESC(country, "Select LocaleCode 0-11 (For travelers)"); |
| 92 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 93 | static int modparam_noleds; |
| 94 | module_param_named(noleds, modparam_noleds, int, 0444); |
| 95 | MODULE_PARM_DESC(noleds, "Turn off all LED activity"); |
| 96 | |
| 97 | #ifdef CONFIG_BCM43XX_DEBUG |
| 98 | static char modparam_fwpostfix[64]; |
| 99 | module_param_string(fwpostfix, modparam_fwpostfix, 64, 0444); |
| 100 | MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for debugging."); |
| 101 | #else |
| 102 | # define modparam_fwpostfix "" |
| 103 | #endif /* CONFIG_BCM43XX_DEBUG*/ |
| 104 | |
| 105 | |
| 106 | /* If you want to debug with just a single device, enable this, |
| 107 | * where the string is the pci device ID (as given by the kernel's |
| 108 | * pci_name function) of the device to be used. |
| 109 | */ |
| 110 | //#define DEBUG_SINGLE_DEVICE_ONLY "0001:11:00.0" |
| 111 | |
| 112 | /* If you want to enable printing of each MMIO access, enable this. */ |
| 113 | //#define DEBUG_ENABLE_MMIO_PRINT |
| 114 | |
| 115 | /* If you want to enable printing of MMIO access within |
| 116 | * ucode/pcm upload, initvals write, enable this. |
| 117 | */ |
| 118 | //#define DEBUG_ENABLE_UCODE_MMIO_PRINT |
| 119 | |
| 120 | /* If you want to enable printing of PCI Config Space access, enable this */ |
| 121 | //#define DEBUG_ENABLE_PCILOG |
| 122 | |
| 123 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 124 | /* Detailed list maintained at: |
| 125 | * http://openfacts.berlios.de/index-en.phtml?title=Bcm43xxDevices |
| 126 | */ |
| 127 | static struct pci_device_id bcm43xx_pci_tbl[] = { |
| 128 | /* Broadcom 4303 802.11b */ |
| 129 | { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 130 | /* Broadcom 4307 802.11b */ |
| 131 | { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 132 | /* Broadcom 4318 802.11b/g */ |
| 133 | { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 134 | /* Broadcom 4306 802.11b/g */ |
| 135 | { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 136 | /* Broadcom 4306 802.11a */ |
| 137 | // { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 138 | /* Broadcom 4309 802.11a/b/g */ |
| 139 | { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 140 | /* Broadcom 43XG 802.11b/g */ |
| 141 | { PCI_VENDOR_ID_BROADCOM, 0x4325, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 142 | #ifdef CONFIG_BCM947XX |
| 143 | /* SB bus on BCM947xx */ |
| 144 | { PCI_VENDOR_ID_BROADCOM, 0x0800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, |
| 145 | #endif |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 146 | { 0 }, |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 147 | }; |
| 148 | MODULE_DEVICE_TABLE(pci, bcm43xx_pci_tbl); |
| 149 | |
| 150 | static void bcm43xx_ram_write(struct bcm43xx_private *bcm, u16 offset, u32 val) |
| 151 | { |
| 152 | u32 status; |
| 153 | |
| 154 | status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| 155 | if (!(status & BCM43xx_SBF_XFER_REG_BYTESWAP)) |
| 156 | val = swab32(val); |
| 157 | |
| 158 | bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_CONTROL, offset); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 159 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 160 | bcm43xx_write32(bcm, BCM43xx_MMIO_RAM_DATA, val); |
| 161 | } |
| 162 | |
| 163 | static inline |
| 164 | void bcm43xx_shm_control_word(struct bcm43xx_private *bcm, |
| 165 | u16 routing, u16 offset) |
| 166 | { |
| 167 | u32 control; |
| 168 | |
| 169 | /* "offset" is the WORD offset. */ |
| 170 | |
| 171 | control = routing; |
| 172 | control <<= 16; |
| 173 | control |= offset; |
| 174 | bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_CONTROL, control); |
| 175 | } |
| 176 | |
| 177 | u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm, |
| 178 | u16 routing, u16 offset) |
| 179 | { |
| 180 | u32 ret; |
| 181 | |
| 182 | if (routing == BCM43xx_SHM_SHARED) { |
| 183 | if (offset & 0x0003) { |
| 184 | /* Unaligned access */ |
| 185 | bcm43xx_shm_control_word(bcm, routing, offset >> 2); |
| 186 | ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); |
| 187 | ret <<= 16; |
| 188 | bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); |
| 189 | ret |= bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); |
| 190 | |
| 191 | return ret; |
| 192 | } |
| 193 | offset >>= 2; |
| 194 | } |
| 195 | bcm43xx_shm_control_word(bcm, routing, offset); |
| 196 | ret = bcm43xx_read32(bcm, BCM43xx_MMIO_SHM_DATA); |
| 197 | |
| 198 | return ret; |
| 199 | } |
| 200 | |
| 201 | u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm, |
| 202 | u16 routing, u16 offset) |
| 203 | { |
| 204 | u16 ret; |
| 205 | |
| 206 | if (routing == BCM43xx_SHM_SHARED) { |
| 207 | if (offset & 0x0003) { |
| 208 | /* Unaligned access */ |
| 209 | bcm43xx_shm_control_word(bcm, routing, offset >> 2); |
| 210 | ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED); |
| 211 | |
| 212 | return ret; |
| 213 | } |
| 214 | offset >>= 2; |
| 215 | } |
| 216 | bcm43xx_shm_control_word(bcm, routing, offset); |
| 217 | ret = bcm43xx_read16(bcm, BCM43xx_MMIO_SHM_DATA); |
| 218 | |
| 219 | return ret; |
| 220 | } |
| 221 | |
| 222 | void bcm43xx_shm_write32(struct bcm43xx_private *bcm, |
| 223 | u16 routing, u16 offset, |
| 224 | u32 value) |
| 225 | { |
| 226 | if (routing == BCM43xx_SHM_SHARED) { |
| 227 | if (offset & 0x0003) { |
| 228 | /* Unaligned access */ |
| 229 | bcm43xx_shm_control_word(bcm, routing, offset >> 2); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 230 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 231 | bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, |
| 232 | (value >> 16) & 0xffff); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 233 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 234 | bcm43xx_shm_control_word(bcm, routing, (offset >> 2) + 1); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 235 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 236 | bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, |
| 237 | value & 0xffff); |
| 238 | return; |
| 239 | } |
| 240 | offset >>= 2; |
| 241 | } |
| 242 | bcm43xx_shm_control_word(bcm, routing, offset); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 243 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 244 | bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, value); |
| 245 | } |
| 246 | |
| 247 | void bcm43xx_shm_write16(struct bcm43xx_private *bcm, |
| 248 | u16 routing, u16 offset, |
| 249 | u16 value) |
| 250 | { |
| 251 | if (routing == BCM43xx_SHM_SHARED) { |
| 252 | if (offset & 0x0003) { |
| 253 | /* Unaligned access */ |
| 254 | bcm43xx_shm_control_word(bcm, routing, offset >> 2); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 255 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 256 | bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA_UNALIGNED, |
| 257 | value); |
| 258 | return; |
| 259 | } |
| 260 | offset >>= 2; |
| 261 | } |
| 262 | bcm43xx_shm_control_word(bcm, routing, offset); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 263 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 264 | bcm43xx_write16(bcm, BCM43xx_MMIO_SHM_DATA, value); |
| 265 | } |
| 266 | |
| 267 | void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf) |
| 268 | { |
| 269 | /* We need to be careful. As we read the TSF from multiple |
| 270 | * registers, we should take care of register overflows. |
| 271 | * In theory, the whole tsf read process should be atomic. |
| 272 | * We try to be atomic here, by restaring the read process, |
| 273 | * if any of the high registers changed (overflew). |
| 274 | */ |
| 275 | if (bcm->current_core->rev >= 3) { |
| 276 | u32 low, high, high2; |
| 277 | |
| 278 | do { |
| 279 | high = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); |
| 280 | low = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW); |
| 281 | high2 = bcm43xx_read32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH); |
| 282 | } while (unlikely(high != high2)); |
| 283 | |
| 284 | *tsf = high; |
| 285 | *tsf <<= 32; |
| 286 | *tsf |= low; |
| 287 | } else { |
| 288 | u64 tmp; |
| 289 | u16 v0, v1, v2, v3; |
| 290 | u16 test1, test2, test3; |
| 291 | |
| 292 | do { |
| 293 | v3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); |
| 294 | v2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); |
| 295 | v1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); |
| 296 | v0 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_0); |
| 297 | |
| 298 | test3 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_3); |
| 299 | test2 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_2); |
| 300 | test1 = bcm43xx_read16(bcm, BCM43xx_MMIO_TSF_1); |
| 301 | } while (v3 != test3 || v2 != test2 || v1 != test1); |
| 302 | |
| 303 | *tsf = v3; |
| 304 | *tsf <<= 48; |
| 305 | tmp = v2; |
| 306 | tmp <<= 32; |
| 307 | *tsf |= tmp; |
| 308 | tmp = v1; |
| 309 | tmp <<= 16; |
| 310 | *tsf |= tmp; |
| 311 | *tsf |= v0; |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf) |
| 316 | { |
| 317 | u32 status; |
| 318 | |
| 319 | status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| 320 | status |= BCM43xx_SBF_TIME_UPDATE; |
| 321 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 322 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 323 | |
| 324 | /* Be careful with the in-progress timer. |
| 325 | * First zero out the low register, so we have a full |
| 326 | * register-overflow duration to complete the operation. |
| 327 | */ |
| 328 | if (bcm->current_core->rev >= 3) { |
| 329 | u32 lo = (tsf & 0x00000000FFFFFFFFULL); |
| 330 | u32 hi = (tsf & 0xFFFFFFFF00000000ULL) >> 32; |
| 331 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 332 | bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, 0); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 333 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 334 | bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_HIGH, hi); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 335 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 336 | bcm43xx_write32(bcm, BCM43xx_MMIO_REV3PLUS_TSF_LOW, lo); |
| 337 | } else { |
| 338 | u16 v0 = (tsf & 0x000000000000FFFFULL); |
| 339 | u16 v1 = (tsf & 0x00000000FFFF0000ULL) >> 16; |
| 340 | u16 v2 = (tsf & 0x0000FFFF00000000ULL) >> 32; |
| 341 | u16 v3 = (tsf & 0xFFFF000000000000ULL) >> 48; |
| 342 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 343 | bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, 0); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 344 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 345 | bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_3, v3); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 346 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 347 | bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_2, v2); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 348 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 349 | bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_1, v1); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 350 | mmiowb(); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 351 | bcm43xx_write16(bcm, BCM43xx_MMIO_TSF_0, v0); |
| 352 | } |
| 353 | |
| 354 | status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| 355 | status &= ~BCM43xx_SBF_TIME_UPDATE; |
| 356 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); |
| 357 | } |
| 358 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 359 | static |
| 360 | void bcm43xx_macfilter_set(struct bcm43xx_private *bcm, |
| 361 | u16 offset, |
| 362 | const u8 *mac) |
| 363 | { |
| 364 | u16 data; |
| 365 | |
| 366 | offset |= 0x0020; |
| 367 | bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_CONTROL, offset); |
| 368 | |
| 369 | data = mac[0]; |
| 370 | data |= mac[1] << 8; |
| 371 | bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); |
| 372 | data = mac[2]; |
| 373 | data |= mac[3] << 8; |
| 374 | bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); |
| 375 | data = mac[4]; |
| 376 | data |= mac[5] << 8; |
| 377 | bcm43xx_write16(bcm, BCM43xx_MMIO_MACFILTER_DATA, data); |
| 378 | } |
| 379 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 380 | static void bcm43xx_macfilter_clear(struct bcm43xx_private *bcm, |
| 381 | u16 offset) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 382 | { |
| 383 | const u8 zero_addr[ETH_ALEN] = { 0 }; |
| 384 | |
| 385 | bcm43xx_macfilter_set(bcm, offset, zero_addr); |
| 386 | } |
| 387 | |
| 388 | static void bcm43xx_write_mac_bssid_templates(struct bcm43xx_private *bcm) |
| 389 | { |
| 390 | const u8 *mac = (const u8 *)(bcm->net_dev->dev_addr); |
| 391 | const u8 *bssid = (const u8 *)(bcm->ieee->bssid); |
| 392 | u8 mac_bssid[ETH_ALEN * 2]; |
| 393 | int i; |
| 394 | |
| 395 | memcpy(mac_bssid, mac, ETH_ALEN); |
| 396 | memcpy(mac_bssid + ETH_ALEN, bssid, ETH_ALEN); |
| 397 | |
| 398 | /* Write our MAC address and BSSID to template ram */ |
| 399 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) |
| 400 | bcm43xx_ram_write(bcm, 0x20 + i, *((u32 *)(mac_bssid + i))); |
| 401 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) |
| 402 | bcm43xx_ram_write(bcm, 0x78 + i, *((u32 *)(mac_bssid + i))); |
| 403 | for (i = 0; i < ARRAY_SIZE(mac_bssid); i += sizeof(u32)) |
| 404 | bcm43xx_ram_write(bcm, 0x478 + i, *((u32 *)(mac_bssid + i))); |
| 405 | } |
| 406 | |
Michael Buesch | b5e868e | 2006-03-25 16:27:32 +0100 | [diff] [blame] | 407 | //FIXME: Well, we should probably call them from somewhere. |
| 408 | #if 0 |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 409 | static void bcm43xx_set_slot_time(struct bcm43xx_private *bcm, u16 slot_time) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 410 | { |
| 411 | /* slot_time is in usec. */ |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 412 | if (bcm43xx_current_phy(bcm)->type != BCM43xx_PHYTYPE_G) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 413 | return; |
| 414 | bcm43xx_write16(bcm, 0x684, 510 + slot_time); |
| 415 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0010, slot_time); |
| 416 | } |
| 417 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 418 | static void bcm43xx_short_slot_timing_enable(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 419 | { |
| 420 | bcm43xx_set_slot_time(bcm, 9); |
| 421 | } |
| 422 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 423 | static void bcm43xx_short_slot_timing_disable(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 424 | { |
| 425 | bcm43xx_set_slot_time(bcm, 20); |
| 426 | } |
Michael Buesch | b5e868e | 2006-03-25 16:27:32 +0100 | [diff] [blame] | 427 | #endif |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 428 | |
Michael Buesch | b5e868e | 2006-03-25 16:27:32 +0100 | [diff] [blame] | 429 | /* FIXME: To get the MAC-filter working, we need to implement the |
| 430 | * following functions (and rename them :) |
| 431 | */ |
| 432 | #if 0 |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 433 | static void bcm43xx_disassociate(struct bcm43xx_private *bcm) |
| 434 | { |
| 435 | bcm43xx_mac_suspend(bcm); |
| 436 | bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); |
| 437 | |
| 438 | bcm43xx_ram_write(bcm, 0x0026, 0x0000); |
| 439 | bcm43xx_ram_write(bcm, 0x0028, 0x0000); |
| 440 | bcm43xx_ram_write(bcm, 0x007E, 0x0000); |
| 441 | bcm43xx_ram_write(bcm, 0x0080, 0x0000); |
| 442 | bcm43xx_ram_write(bcm, 0x047E, 0x0000); |
| 443 | bcm43xx_ram_write(bcm, 0x0480, 0x0000); |
| 444 | |
| 445 | if (bcm->current_core->rev < 3) { |
| 446 | bcm43xx_write16(bcm, 0x0610, 0x8000); |
| 447 | bcm43xx_write16(bcm, 0x060E, 0x0000); |
| 448 | } else |
| 449 | bcm43xx_write32(bcm, 0x0188, 0x80000000); |
| 450 | |
| 451 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); |
| 452 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 453 | if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G && |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 454 | ieee80211_is_ofdm_rate(bcm->softmac->txrates.default_rate)) |
| 455 | bcm43xx_short_slot_timing_enable(bcm); |
| 456 | |
| 457 | bcm43xx_mac_enable(bcm); |
| 458 | } |
| 459 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 460 | static void bcm43xx_associate(struct bcm43xx_private *bcm, |
| 461 | const u8 *mac) |
| 462 | { |
| 463 | memcpy(bcm->ieee->bssid, mac, ETH_ALEN); |
| 464 | |
| 465 | bcm43xx_mac_suspend(bcm); |
| 466 | bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_ASSOC, mac); |
| 467 | bcm43xx_write_mac_bssid_templates(bcm); |
| 468 | bcm43xx_mac_enable(bcm); |
| 469 | } |
Michael Buesch | b5e868e | 2006-03-25 16:27:32 +0100 | [diff] [blame] | 470 | #endif |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 471 | |
| 472 | /* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable. |
| 473 | * Returns the _previously_ enabled IRQ mask. |
| 474 | */ |
| 475 | static inline u32 bcm43xx_interrupt_enable(struct bcm43xx_private *bcm, u32 mask) |
| 476 | { |
| 477 | u32 old_mask; |
| 478 | |
| 479 | old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); |
| 480 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask | mask); |
| 481 | |
| 482 | return old_mask; |
| 483 | } |
| 484 | |
| 485 | /* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable. |
| 486 | * Returns the _previously_ enabled IRQ mask. |
| 487 | */ |
| 488 | static inline u32 bcm43xx_interrupt_disable(struct bcm43xx_private *bcm, u32 mask) |
| 489 | { |
| 490 | u32 old_mask; |
| 491 | |
| 492 | old_mask = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); |
| 493 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK, old_mask & ~mask); |
| 494 | |
| 495 | return old_mask; |
| 496 | } |
| 497 | |
| 498 | /* Make sure we don't receive more data from the device. */ |
| 499 | static int bcm43xx_disable_interrupts_sync(struct bcm43xx_private *bcm, u32 *oldstate) |
| 500 | { |
| 501 | u32 old; |
| 502 | unsigned long flags; |
| 503 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 504 | bcm43xx_lock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 505 | if (bcm43xx_is_initializing(bcm) || bcm->shutting_down) { |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 506 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 507 | return -EBUSY; |
| 508 | } |
| 509 | old = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); |
| 510 | tasklet_disable(&bcm->isr_tasklet); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 511 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 512 | if (oldstate) |
| 513 | *oldstate = old; |
| 514 | |
| 515 | return 0; |
| 516 | } |
| 517 | |
| 518 | static int bcm43xx_read_radioinfo(struct bcm43xx_private *bcm) |
| 519 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 520 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| 521 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 522 | u32 radio_id; |
| 523 | u16 manufact; |
| 524 | u16 version; |
| 525 | u8 revision; |
| 526 | s8 i; |
| 527 | |
| 528 | if (bcm->chip_id == 0x4317) { |
| 529 | if (bcm->chip_rev == 0x00) |
| 530 | radio_id = 0x3205017F; |
| 531 | else if (bcm->chip_rev == 0x01) |
| 532 | radio_id = 0x4205017F; |
| 533 | else |
| 534 | radio_id = 0x5205017F; |
| 535 | } else { |
| 536 | bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); |
| 537 | radio_id = bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_HIGH); |
| 538 | radio_id <<= 16; |
| 539 | bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, BCM43xx_RADIOCTL_ID); |
| 540 | radio_id |= bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW); |
| 541 | } |
| 542 | |
| 543 | manufact = (radio_id & 0x00000FFF); |
| 544 | version = (radio_id & 0x0FFFF000) >> 12; |
| 545 | revision = (radio_id & 0xF0000000) >> 28; |
| 546 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 547 | dprintk(KERN_INFO PFX "Detected Radio: ID: %x (Manuf: %x Ver: %x Rev: %x)\n", |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 548 | radio_id, manufact, version, revision); |
| 549 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 550 | switch (phy->type) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 551 | case BCM43xx_PHYTYPE_A: |
| 552 | if ((version != 0x2060) || (revision != 1) || (manufact != 0x17f)) |
| 553 | goto err_unsupported_radio; |
| 554 | break; |
| 555 | case BCM43xx_PHYTYPE_B: |
| 556 | if ((version & 0xFFF0) != 0x2050) |
| 557 | goto err_unsupported_radio; |
| 558 | break; |
| 559 | case BCM43xx_PHYTYPE_G: |
| 560 | if (version != 0x2050) |
| 561 | goto err_unsupported_radio; |
| 562 | break; |
| 563 | } |
| 564 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 565 | radio->manufact = manufact; |
| 566 | radio->version = version; |
| 567 | radio->revision = revision; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 568 | |
| 569 | /* Set default attenuation values. */ |
Michael Buesch | 6ecb269 | 2006-03-20 00:01:04 +0100 | [diff] [blame] | 570 | radio->baseband_atten = bcm43xx_default_baseband_attenuation(bcm); |
| 571 | radio->radio_atten = bcm43xx_default_radio_attenuation(bcm); |
| 572 | radio->txctl1 = bcm43xx_default_txctl1(bcm); |
Michael Buesch | adc40e9 | 2006-03-25 20:36:57 +0100 | [diff] [blame] | 573 | radio->txctl2 = 0xFFFF; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 574 | if (phy->type == BCM43xx_PHYTYPE_A) |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 575 | radio->txpower_desired = bcm->sprom.maxpower_aphy; |
Michael Buesch | 393344f | 2006-02-05 15:28:20 +0100 | [diff] [blame] | 576 | else |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 577 | radio->txpower_desired = bcm->sprom.maxpower_bgphy; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 578 | |
| 579 | /* Initialize the in-memory nrssi Lookup Table. */ |
| 580 | for (i = 0; i < 64; i++) |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 581 | radio->nrssi_lt[i] = i; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 582 | |
| 583 | return 0; |
| 584 | |
| 585 | err_unsupported_radio: |
| 586 | printk(KERN_ERR PFX "Unsupported Radio connected to the PHY!\n"); |
| 587 | return -ENODEV; |
| 588 | } |
| 589 | |
| 590 | static const char * bcm43xx_locale_iso(u8 locale) |
| 591 | { |
| 592 | /* ISO 3166-1 country codes. |
| 593 | * Note that there aren't ISO 3166-1 codes for |
| 594 | * all or locales. (Not all locales are countries) |
| 595 | */ |
| 596 | switch (locale) { |
| 597 | case BCM43xx_LOCALE_WORLD: |
| 598 | case BCM43xx_LOCALE_ALL: |
| 599 | return "XX"; |
| 600 | case BCM43xx_LOCALE_THAILAND: |
| 601 | return "TH"; |
| 602 | case BCM43xx_LOCALE_ISRAEL: |
| 603 | return "IL"; |
| 604 | case BCM43xx_LOCALE_JORDAN: |
| 605 | return "JO"; |
| 606 | case BCM43xx_LOCALE_CHINA: |
| 607 | return "CN"; |
| 608 | case BCM43xx_LOCALE_JAPAN: |
| 609 | case BCM43xx_LOCALE_JAPAN_HIGH: |
| 610 | return "JP"; |
| 611 | case BCM43xx_LOCALE_USA_CANADA_ANZ: |
| 612 | case BCM43xx_LOCALE_USA_LOW: |
| 613 | return "US"; |
| 614 | case BCM43xx_LOCALE_EUROPE: |
| 615 | return "EU"; |
| 616 | case BCM43xx_LOCALE_NONE: |
| 617 | return " "; |
| 618 | } |
| 619 | assert(0); |
| 620 | return " "; |
| 621 | } |
| 622 | |
| 623 | static const char * bcm43xx_locale_string(u8 locale) |
| 624 | { |
| 625 | switch (locale) { |
| 626 | case BCM43xx_LOCALE_WORLD: |
| 627 | return "World"; |
| 628 | case BCM43xx_LOCALE_THAILAND: |
| 629 | return "Thailand"; |
| 630 | case BCM43xx_LOCALE_ISRAEL: |
| 631 | return "Israel"; |
| 632 | case BCM43xx_LOCALE_JORDAN: |
| 633 | return "Jordan"; |
| 634 | case BCM43xx_LOCALE_CHINA: |
| 635 | return "China"; |
| 636 | case BCM43xx_LOCALE_JAPAN: |
| 637 | return "Japan"; |
| 638 | case BCM43xx_LOCALE_USA_CANADA_ANZ: |
| 639 | return "USA/Canada/ANZ"; |
| 640 | case BCM43xx_LOCALE_EUROPE: |
| 641 | return "Europe"; |
| 642 | case BCM43xx_LOCALE_USA_LOW: |
| 643 | return "USAlow"; |
| 644 | case BCM43xx_LOCALE_JAPAN_HIGH: |
| 645 | return "JapanHigh"; |
| 646 | case BCM43xx_LOCALE_ALL: |
| 647 | return "All"; |
| 648 | case BCM43xx_LOCALE_NONE: |
| 649 | return "None"; |
| 650 | } |
| 651 | assert(0); |
| 652 | return ""; |
| 653 | } |
| 654 | |
| 655 | static inline u8 bcm43xx_crc8(u8 crc, u8 data) |
| 656 | { |
| 657 | static const u8 t[] = { |
| 658 | 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, |
| 659 | 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, |
| 660 | 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, |
| 661 | 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, |
| 662 | 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, |
| 663 | 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, |
| 664 | 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, |
| 665 | 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, |
| 666 | 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, |
| 667 | 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, |
| 668 | 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, |
| 669 | 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, |
| 670 | 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, |
| 671 | 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, |
| 672 | 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, |
| 673 | 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, |
| 674 | 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, |
| 675 | 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, |
| 676 | 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, |
| 677 | 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, |
| 678 | 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, |
| 679 | 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, |
| 680 | 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, |
| 681 | 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, |
| 682 | 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, |
| 683 | 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, |
| 684 | 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, |
| 685 | 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, |
| 686 | 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, |
| 687 | 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, |
| 688 | 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, |
| 689 | 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, |
| 690 | }; |
| 691 | return t[crc ^ data]; |
| 692 | } |
| 693 | |
Michael Buesch | ad3f086 | 2006-02-19 14:12:22 +0100 | [diff] [blame] | 694 | static u8 bcm43xx_sprom_crc(const u16 *sprom) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 695 | { |
| 696 | int word; |
| 697 | u8 crc = 0xFF; |
| 698 | |
| 699 | for (word = 0; word < BCM43xx_SPROM_SIZE - 1; word++) { |
| 700 | crc = bcm43xx_crc8(crc, sprom[word] & 0x00FF); |
| 701 | crc = bcm43xx_crc8(crc, (sprom[word] & 0xFF00) >> 8); |
| 702 | } |
| 703 | crc = bcm43xx_crc8(crc, sprom[BCM43xx_SPROM_VERSION] & 0x00FF); |
| 704 | crc ^= 0xFF; |
| 705 | |
| 706 | return crc; |
| 707 | } |
| 708 | |
Michael Buesch | ea0922b | 2006-02-19 14:09:20 +0100 | [diff] [blame] | 709 | int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 710 | { |
| 711 | int i; |
Michael Buesch | ea0922b | 2006-02-19 14:09:20 +0100 | [diff] [blame] | 712 | u8 crc, expected_crc; |
| 713 | |
| 714 | for (i = 0; i < BCM43xx_SPROM_SIZE; i++) |
| 715 | sprom[i] = bcm43xx_read16(bcm, BCM43xx_SPROM_BASE + (i * 2)); |
| 716 | /* CRC-8 check. */ |
| 717 | crc = bcm43xx_sprom_crc(sprom); |
| 718 | expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; |
| 719 | if (crc != expected_crc) { |
| 720 | printk(KERN_WARNING PFX "WARNING: Invalid SPROM checksum " |
| 721 | "(0x%02X, expected: 0x%02X)\n", |
| 722 | crc, expected_crc); |
| 723 | return -EINVAL; |
| 724 | } |
| 725 | |
| 726 | return 0; |
| 727 | } |
| 728 | |
| 729 | int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom) |
| 730 | { |
| 731 | int i, err; |
| 732 | u8 crc, expected_crc; |
| 733 | u32 spromctl; |
| 734 | |
| 735 | /* CRC-8 validation of the input data. */ |
| 736 | crc = bcm43xx_sprom_crc(sprom); |
| 737 | expected_crc = (sprom[BCM43xx_SPROM_VERSION] & 0xFF00) >> 8; |
| 738 | if (crc != expected_crc) { |
| 739 | printk(KERN_ERR PFX "SPROM input data: Invalid CRC\n"); |
| 740 | return -EINVAL; |
| 741 | } |
| 742 | |
| 743 | printk(KERN_INFO PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); |
| 744 | err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_SPROMCTL, &spromctl); |
| 745 | if (err) |
| 746 | goto err_ctlreg; |
| 747 | spromctl |= 0x10; /* SPROM WRITE enable. */ |
| 748 | bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); |
| 749 | if (err) |
| 750 | goto err_ctlreg; |
| 751 | /* We must burn lots of CPU cycles here, but that does not |
| 752 | * really matter as one does not write the SPROM every other minute... |
| 753 | */ |
| 754 | printk(KERN_INFO PFX "[ 0%%"); |
| 755 | mdelay(500); |
| 756 | for (i = 0; i < BCM43xx_SPROM_SIZE; i++) { |
| 757 | if (i == 16) |
| 758 | printk("25%%"); |
| 759 | else if (i == 32) |
| 760 | printk("50%%"); |
| 761 | else if (i == 48) |
| 762 | printk("75%%"); |
| 763 | else if (i % 2) |
| 764 | printk("."); |
| 765 | bcm43xx_write16(bcm, BCM43xx_SPROM_BASE + (i * 2), sprom[i]); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 766 | mmiowb(); |
Michael Buesch | ea0922b | 2006-02-19 14:09:20 +0100 | [diff] [blame] | 767 | mdelay(20); |
| 768 | } |
| 769 | spromctl &= ~0x10; /* SPROM WRITE enable. */ |
| 770 | bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_SPROMCTL, spromctl); |
| 771 | if (err) |
| 772 | goto err_ctlreg; |
| 773 | mdelay(500); |
| 774 | printk("100%% ]\n"); |
| 775 | printk(KERN_INFO PFX "SPROM written.\n"); |
| 776 | bcm43xx_controller_restart(bcm, "SPROM update"); |
| 777 | |
| 778 | return 0; |
| 779 | err_ctlreg: |
| 780 | printk(KERN_ERR PFX "Could not access SPROM control register.\n"); |
| 781 | return -ENODEV; |
| 782 | } |
| 783 | |
| 784 | static int bcm43xx_sprom_extract(struct bcm43xx_private *bcm) |
| 785 | { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 786 | u16 value; |
| 787 | u16 *sprom; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 788 | #ifdef CONFIG_BCM947XX |
| 789 | char *c; |
| 790 | #endif |
| 791 | |
| 792 | sprom = kzalloc(BCM43xx_SPROM_SIZE * sizeof(u16), |
| 793 | GFP_KERNEL); |
| 794 | if (!sprom) { |
Michael Buesch | ea0922b | 2006-02-19 14:09:20 +0100 | [diff] [blame] | 795 | printk(KERN_ERR PFX "sprom_extract OOM\n"); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 796 | return -ENOMEM; |
| 797 | } |
| 798 | #ifdef CONFIG_BCM947XX |
| 799 | sprom[BCM43xx_SPROM_BOARDFLAGS2] = atoi(nvram_get("boardflags2")); |
| 800 | sprom[BCM43xx_SPROM_BOARDFLAGS] = atoi(nvram_get("boardflags")); |
| 801 | |
| 802 | if ((c = nvram_get("il0macaddr")) != NULL) |
| 803 | e_aton(c, (char *) &(sprom[BCM43xx_SPROM_IL0MACADDR])); |
| 804 | |
| 805 | if ((c = nvram_get("et1macaddr")) != NULL) |
| 806 | e_aton(c, (char *) &(sprom[BCM43xx_SPROM_ET1MACADDR])); |
| 807 | |
| 808 | sprom[BCM43xx_SPROM_PA0B0] = atoi(nvram_get("pa0b0")); |
| 809 | sprom[BCM43xx_SPROM_PA0B1] = atoi(nvram_get("pa0b1")); |
| 810 | sprom[BCM43xx_SPROM_PA0B2] = atoi(nvram_get("pa0b2")); |
| 811 | |
| 812 | sprom[BCM43xx_SPROM_PA1B0] = atoi(nvram_get("pa1b0")); |
| 813 | sprom[BCM43xx_SPROM_PA1B1] = atoi(nvram_get("pa1b1")); |
| 814 | sprom[BCM43xx_SPROM_PA1B2] = atoi(nvram_get("pa1b2")); |
| 815 | |
| 816 | sprom[BCM43xx_SPROM_BOARDREV] = atoi(nvram_get("boardrev")); |
| 817 | #else |
Michael Buesch | ea0922b | 2006-02-19 14:09:20 +0100 | [diff] [blame] | 818 | bcm43xx_sprom_read(bcm, sprom); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 819 | #endif |
| 820 | |
| 821 | /* boardflags2 */ |
| 822 | value = sprom[BCM43xx_SPROM_BOARDFLAGS2]; |
| 823 | bcm->sprom.boardflags2 = value; |
| 824 | |
| 825 | /* il0macaddr */ |
| 826 | value = sprom[BCM43xx_SPROM_IL0MACADDR + 0]; |
| 827 | *(((u16 *)bcm->sprom.il0macaddr) + 0) = cpu_to_be16(value); |
| 828 | value = sprom[BCM43xx_SPROM_IL0MACADDR + 1]; |
| 829 | *(((u16 *)bcm->sprom.il0macaddr) + 1) = cpu_to_be16(value); |
| 830 | value = sprom[BCM43xx_SPROM_IL0MACADDR + 2]; |
| 831 | *(((u16 *)bcm->sprom.il0macaddr) + 2) = cpu_to_be16(value); |
| 832 | |
| 833 | /* et0macaddr */ |
| 834 | value = sprom[BCM43xx_SPROM_ET0MACADDR + 0]; |
| 835 | *(((u16 *)bcm->sprom.et0macaddr) + 0) = cpu_to_be16(value); |
| 836 | value = sprom[BCM43xx_SPROM_ET0MACADDR + 1]; |
| 837 | *(((u16 *)bcm->sprom.et0macaddr) + 1) = cpu_to_be16(value); |
| 838 | value = sprom[BCM43xx_SPROM_ET0MACADDR + 2]; |
| 839 | *(((u16 *)bcm->sprom.et0macaddr) + 2) = cpu_to_be16(value); |
| 840 | |
| 841 | /* et1macaddr */ |
| 842 | value = sprom[BCM43xx_SPROM_ET1MACADDR + 0]; |
| 843 | *(((u16 *)bcm->sprom.et1macaddr) + 0) = cpu_to_be16(value); |
| 844 | value = sprom[BCM43xx_SPROM_ET1MACADDR + 1]; |
| 845 | *(((u16 *)bcm->sprom.et1macaddr) + 1) = cpu_to_be16(value); |
| 846 | value = sprom[BCM43xx_SPROM_ET1MACADDR + 2]; |
| 847 | *(((u16 *)bcm->sprom.et1macaddr) + 2) = cpu_to_be16(value); |
| 848 | |
| 849 | /* ethernet phy settings */ |
| 850 | value = sprom[BCM43xx_SPROM_ETHPHY]; |
| 851 | bcm->sprom.et0phyaddr = (value & 0x001F); |
| 852 | bcm->sprom.et1phyaddr = (value & 0x03E0) >> 5; |
| 853 | bcm->sprom.et0mdcport = (value & (1 << 14)) >> 14; |
| 854 | bcm->sprom.et1mdcport = (value & (1 << 15)) >> 15; |
| 855 | |
| 856 | /* boardrev, antennas, locale */ |
| 857 | value = sprom[BCM43xx_SPROM_BOARDREV]; |
| 858 | bcm->sprom.boardrev = (value & 0x00FF); |
| 859 | bcm->sprom.locale = (value & 0x0F00) >> 8; |
| 860 | bcm->sprom.antennas_aphy = (value & 0x3000) >> 12; |
| 861 | bcm->sprom.antennas_bgphy = (value & 0xC000) >> 14; |
| 862 | if (modparam_locale != -1) { |
| 863 | if (modparam_locale >= 0 && modparam_locale <= 11) { |
| 864 | bcm->sprom.locale = modparam_locale; |
| 865 | printk(KERN_WARNING PFX "Operating with modified " |
| 866 | "LocaleCode %u (%s)\n", |
| 867 | bcm->sprom.locale, |
| 868 | bcm43xx_locale_string(bcm->sprom.locale)); |
| 869 | } else { |
| 870 | printk(KERN_WARNING PFX "Module parameter \"locale\" " |
| 871 | "invalid value. (0 - 11)\n"); |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | /* pa0b* */ |
| 876 | value = sprom[BCM43xx_SPROM_PA0B0]; |
| 877 | bcm->sprom.pa0b0 = value; |
| 878 | value = sprom[BCM43xx_SPROM_PA0B1]; |
| 879 | bcm->sprom.pa0b1 = value; |
| 880 | value = sprom[BCM43xx_SPROM_PA0B2]; |
| 881 | bcm->sprom.pa0b2 = value; |
| 882 | |
| 883 | /* wl0gpio* */ |
| 884 | value = sprom[BCM43xx_SPROM_WL0GPIO0]; |
| 885 | if (value == 0x0000) |
| 886 | value = 0xFFFF; |
| 887 | bcm->sprom.wl0gpio0 = value & 0x00FF; |
| 888 | bcm->sprom.wl0gpio1 = (value & 0xFF00) >> 8; |
| 889 | value = sprom[BCM43xx_SPROM_WL0GPIO2]; |
| 890 | if (value == 0x0000) |
| 891 | value = 0xFFFF; |
| 892 | bcm->sprom.wl0gpio2 = value & 0x00FF; |
| 893 | bcm->sprom.wl0gpio3 = (value & 0xFF00) >> 8; |
| 894 | |
| 895 | /* maxpower */ |
| 896 | value = sprom[BCM43xx_SPROM_MAXPWR]; |
| 897 | bcm->sprom.maxpower_aphy = (value & 0xFF00) >> 8; |
| 898 | bcm->sprom.maxpower_bgphy = value & 0x00FF; |
| 899 | |
| 900 | /* pa1b* */ |
| 901 | value = sprom[BCM43xx_SPROM_PA1B0]; |
| 902 | bcm->sprom.pa1b0 = value; |
| 903 | value = sprom[BCM43xx_SPROM_PA1B1]; |
| 904 | bcm->sprom.pa1b1 = value; |
| 905 | value = sprom[BCM43xx_SPROM_PA1B2]; |
| 906 | bcm->sprom.pa1b2 = value; |
| 907 | |
| 908 | /* idle tssi target */ |
| 909 | value = sprom[BCM43xx_SPROM_IDL_TSSI_TGT]; |
| 910 | bcm->sprom.idle_tssi_tgt_aphy = value & 0x00FF; |
| 911 | bcm->sprom.idle_tssi_tgt_bgphy = (value & 0xFF00) >> 8; |
| 912 | |
| 913 | /* boardflags */ |
| 914 | value = sprom[BCM43xx_SPROM_BOARDFLAGS]; |
| 915 | if (value == 0xFFFF) |
| 916 | value = 0x0000; |
| 917 | bcm->sprom.boardflags = value; |
Michael Buesch | b3db5e5 | 2006-03-15 16:31:45 +0100 | [diff] [blame] | 918 | /* boardflags workarounds */ |
| 919 | if (bcm->board_vendor == PCI_VENDOR_ID_DELL && |
| 920 | bcm->chip_id == 0x4301 && |
| 921 | bcm->board_revision == 0x74) |
| 922 | bcm->sprom.boardflags |= BCM43xx_BFL_BTCOEXIST; |
| 923 | if (bcm->board_vendor == PCI_VENDOR_ID_APPLE && |
| 924 | bcm->board_type == 0x4E && |
| 925 | bcm->board_revision > 0x40) |
| 926 | bcm->sprom.boardflags |= BCM43xx_BFL_PACTRL; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 927 | |
| 928 | /* antenna gain */ |
| 929 | value = sprom[BCM43xx_SPROM_ANTENNA_GAIN]; |
| 930 | if (value == 0x0000 || value == 0xFFFF) |
| 931 | value = 0x0202; |
| 932 | /* convert values to Q5.2 */ |
| 933 | bcm->sprom.antennagain_aphy = ((value & 0xFF00) >> 8) * 4; |
| 934 | bcm->sprom.antennagain_bgphy = (value & 0x00FF) * 4; |
| 935 | |
| 936 | kfree(sprom); |
| 937 | |
| 938 | return 0; |
| 939 | } |
| 940 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 941 | static void bcm43xx_geo_init(struct bcm43xx_private *bcm) |
| 942 | { |
| 943 | struct ieee80211_geo geo; |
| 944 | struct ieee80211_channel *chan; |
| 945 | int have_a = 0, have_bg = 0; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 946 | int i; |
Michael Buesch | 9e4a375 | 2006-02-02 18:43:25 +0100 | [diff] [blame] | 947 | u8 channel; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 948 | struct bcm43xx_phyinfo *phy; |
| 949 | const char *iso_country; |
| 950 | |
| 951 | memset(&geo, 0, sizeof(geo)); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 952 | for (i = 0; i < bcm->nr_80211_available; i++) { |
| 953 | phy = &(bcm->core_80211_ext[i].phy); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 954 | switch (phy->type) { |
| 955 | case BCM43xx_PHYTYPE_B: |
| 956 | case BCM43xx_PHYTYPE_G: |
| 957 | have_bg = 1; |
| 958 | break; |
| 959 | case BCM43xx_PHYTYPE_A: |
| 960 | have_a = 1; |
| 961 | break; |
| 962 | default: |
| 963 | assert(0); |
| 964 | } |
| 965 | } |
| 966 | iso_country = bcm43xx_locale_iso(bcm->sprom.locale); |
| 967 | |
| 968 | if (have_a) { |
| 969 | for (i = 0, channel = 0; channel < 201; channel++) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 970 | chan = &geo.a[i++]; |
Michael Buesch | 10d8dd8 | 2006-02-19 22:08:48 +0100 | [diff] [blame] | 971 | chan->freq = bcm43xx_channel_to_freq_a(channel); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 972 | chan->channel = channel; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 973 | } |
| 974 | geo.a_channels = i; |
| 975 | } |
| 976 | if (have_bg) { |
| 977 | for (i = 0, channel = 1; channel < 15; channel++) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 978 | chan = &geo.bg[i++]; |
Michael Buesch | 10d8dd8 | 2006-02-19 22:08:48 +0100 | [diff] [blame] | 979 | chan->freq = bcm43xx_channel_to_freq_bg(channel); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 980 | chan->channel = channel; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 981 | } |
| 982 | geo.bg_channels = i; |
| 983 | } |
| 984 | memcpy(geo.name, iso_country, 2); |
| 985 | if (0 /*TODO: Outdoor use only */) |
| 986 | geo.name[2] = 'O'; |
| 987 | else if (0 /*TODO: Indoor use only */) |
| 988 | geo.name[2] = 'I'; |
| 989 | else |
| 990 | geo.name[2] = ' '; |
| 991 | geo.name[3] = '\0'; |
| 992 | |
| 993 | ieee80211_set_geo(bcm->ieee, &geo); |
| 994 | } |
| 995 | |
| 996 | /* DummyTransmission function, as documented on |
| 997 | * http://bcm-specs.sipsolutions.net/DummyTransmission |
| 998 | */ |
| 999 | void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm) |
| 1000 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1001 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| 1002 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1003 | unsigned int i, max_loop; |
| 1004 | u16 value = 0; |
| 1005 | u32 buffer[5] = { |
| 1006 | 0x00000000, |
| 1007 | 0x0000D400, |
| 1008 | 0x00000000, |
| 1009 | 0x00000001, |
| 1010 | 0x00000000, |
| 1011 | }; |
| 1012 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1013 | switch (phy->type) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1014 | case BCM43xx_PHYTYPE_A: |
| 1015 | max_loop = 0x1E; |
| 1016 | buffer[0] = 0xCC010200; |
| 1017 | break; |
| 1018 | case BCM43xx_PHYTYPE_B: |
| 1019 | case BCM43xx_PHYTYPE_G: |
| 1020 | max_loop = 0xFA; |
| 1021 | buffer[0] = 0x6E840B00; |
| 1022 | break; |
| 1023 | default: |
| 1024 | assert(0); |
| 1025 | return; |
| 1026 | } |
| 1027 | |
| 1028 | for (i = 0; i < 5; i++) |
| 1029 | bcm43xx_ram_write(bcm, i * 4, buffer[i]); |
| 1030 | |
| 1031 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ |
| 1032 | |
| 1033 | bcm43xx_write16(bcm, 0x0568, 0x0000); |
| 1034 | bcm43xx_write16(bcm, 0x07C0, 0x0000); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1035 | bcm43xx_write16(bcm, 0x050C, ((phy->type == BCM43xx_PHYTYPE_A) ? 1 : 0)); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1036 | bcm43xx_write16(bcm, 0x0508, 0x0000); |
| 1037 | bcm43xx_write16(bcm, 0x050A, 0x0000); |
| 1038 | bcm43xx_write16(bcm, 0x054C, 0x0000); |
| 1039 | bcm43xx_write16(bcm, 0x056A, 0x0014); |
| 1040 | bcm43xx_write16(bcm, 0x0568, 0x0826); |
| 1041 | bcm43xx_write16(bcm, 0x0500, 0x0000); |
| 1042 | bcm43xx_write16(bcm, 0x0502, 0x0030); |
| 1043 | |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1044 | if (radio->version == 0x2050 && radio->revision <= 0x5) |
| 1045 | bcm43xx_radio_write16(bcm, 0x0051, 0x0017); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1046 | for (i = 0x00; i < max_loop; i++) { |
| 1047 | value = bcm43xx_read16(bcm, 0x050E); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1048 | if (value & 0x0080) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1049 | break; |
| 1050 | udelay(10); |
| 1051 | } |
| 1052 | for (i = 0x00; i < 0x0A; i++) { |
| 1053 | value = bcm43xx_read16(bcm, 0x050E); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1054 | if (value & 0x0400) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1055 | break; |
| 1056 | udelay(10); |
| 1057 | } |
| 1058 | for (i = 0x00; i < 0x0A; i++) { |
| 1059 | value = bcm43xx_read16(bcm, 0x0690); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1060 | if (!(value & 0x0100)) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1061 | break; |
| 1062 | udelay(10); |
| 1063 | } |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1064 | if (radio->version == 0x2050 && radio->revision <= 0x5) |
| 1065 | bcm43xx_radio_write16(bcm, 0x0051, 0x0037); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1066 | } |
| 1067 | |
| 1068 | static void key_write(struct bcm43xx_private *bcm, |
| 1069 | u8 index, u8 algorithm, const u16 *key) |
| 1070 | { |
| 1071 | unsigned int i, basic_wep = 0; |
| 1072 | u32 offset; |
| 1073 | u16 value; |
| 1074 | |
| 1075 | /* Write associated key information */ |
| 1076 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x100 + (index * 2), |
| 1077 | ((index << 4) | (algorithm & 0x0F))); |
| 1078 | |
| 1079 | /* The first 4 WEP keys need extra love */ |
| 1080 | if (((algorithm == BCM43xx_SEC_ALGO_WEP) || |
| 1081 | (algorithm == BCM43xx_SEC_ALGO_WEP104)) && (index < 4)) |
| 1082 | basic_wep = 1; |
| 1083 | |
| 1084 | /* Write key payload, 8 little endian words */ |
| 1085 | offset = bcm->security_offset + (index * BCM43xx_SEC_KEYSIZE); |
| 1086 | for (i = 0; i < (BCM43xx_SEC_KEYSIZE / sizeof(u16)); i++) { |
| 1087 | value = cpu_to_le16(key[i]); |
| 1088 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, |
| 1089 | offset + (i * 2), value); |
| 1090 | |
| 1091 | if (!basic_wep) |
| 1092 | continue; |
| 1093 | |
| 1094 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, |
| 1095 | offset + (i * 2) + 4 * BCM43xx_SEC_KEYSIZE, |
| 1096 | value); |
| 1097 | } |
| 1098 | } |
| 1099 | |
| 1100 | static void keymac_write(struct bcm43xx_private *bcm, |
| 1101 | u8 index, const u32 *addr) |
| 1102 | { |
| 1103 | /* for keys 0-3 there is no associated mac address */ |
| 1104 | if (index < 4) |
| 1105 | return; |
| 1106 | |
| 1107 | index -= 4; |
| 1108 | if (bcm->current_core->rev >= 5) { |
| 1109 | bcm43xx_shm_write32(bcm, |
| 1110 | BCM43xx_SHM_HWMAC, |
| 1111 | index * 2, |
| 1112 | cpu_to_be32(*addr)); |
| 1113 | bcm43xx_shm_write16(bcm, |
| 1114 | BCM43xx_SHM_HWMAC, |
| 1115 | (index * 2) + 1, |
| 1116 | cpu_to_be16(*((u16 *)(addr + 1)))); |
| 1117 | } else { |
| 1118 | if (index < 8) { |
| 1119 | TODO(); /* Put them in the macaddress filter */ |
| 1120 | } else { |
| 1121 | TODO(); |
| 1122 | /* Put them BCM43xx_SHM_SHARED, stating index 0x0120. |
| 1123 | Keep in mind to update the count of keymacs in 0x003E as well! */ |
| 1124 | } |
| 1125 | } |
| 1126 | } |
| 1127 | |
| 1128 | static int bcm43xx_key_write(struct bcm43xx_private *bcm, |
| 1129 | u8 index, u8 algorithm, |
| 1130 | const u8 *_key, int key_len, |
| 1131 | const u8 *mac_addr) |
| 1132 | { |
| 1133 | u8 key[BCM43xx_SEC_KEYSIZE] = { 0 }; |
| 1134 | |
| 1135 | if (index >= ARRAY_SIZE(bcm->key)) |
| 1136 | return -EINVAL; |
| 1137 | if (key_len > ARRAY_SIZE(key)) |
| 1138 | return -EINVAL; |
| 1139 | if (algorithm < 1 || algorithm > 5) |
| 1140 | return -EINVAL; |
| 1141 | |
| 1142 | memcpy(key, _key, key_len); |
| 1143 | key_write(bcm, index, algorithm, (const u16 *)key); |
| 1144 | keymac_write(bcm, index, (const u32 *)mac_addr); |
| 1145 | |
| 1146 | bcm->key[index].algorithm = algorithm; |
| 1147 | |
| 1148 | return 0; |
| 1149 | } |
| 1150 | |
| 1151 | static void bcm43xx_clear_keys(struct bcm43xx_private *bcm) |
| 1152 | { |
| 1153 | static const u32 zero_mac[2] = { 0 }; |
| 1154 | unsigned int i,j, nr_keys = 54; |
| 1155 | u16 offset; |
| 1156 | |
| 1157 | if (bcm->current_core->rev < 5) |
| 1158 | nr_keys = 16; |
| 1159 | assert(nr_keys <= ARRAY_SIZE(bcm->key)); |
| 1160 | |
| 1161 | for (i = 0; i < nr_keys; i++) { |
| 1162 | bcm->key[i].enabled = 0; |
| 1163 | /* returns for i < 4 immediately */ |
| 1164 | keymac_write(bcm, i, zero_mac); |
| 1165 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, |
| 1166 | 0x100 + (i * 2), 0x0000); |
| 1167 | for (j = 0; j < 8; j++) { |
| 1168 | offset = bcm->security_offset + (j * 4) + (i * BCM43xx_SEC_KEYSIZE); |
| 1169 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, |
| 1170 | offset, 0x0000); |
| 1171 | } |
| 1172 | } |
| 1173 | dprintk(KERN_INFO PFX "Keys cleared\n"); |
| 1174 | } |
| 1175 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1176 | /* Lowlevel core-switch function. This is only to be used in |
| 1177 | * bcm43xx_switch_core() and bcm43xx_probe_cores() |
| 1178 | */ |
| 1179 | static int _switch_core(struct bcm43xx_private *bcm, int core) |
| 1180 | { |
| 1181 | int err; |
| 1182 | int attempts = 0; |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1183 | u32 current_core; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1184 | |
| 1185 | assert(core >= 0); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1186 | while (1) { |
| 1187 | err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1188 | (core * 0x1000) + 0x18000000); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1189 | if (unlikely(err)) |
| 1190 | goto error; |
| 1191 | err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ACTIVE_CORE, |
| 1192 | ¤t_core); |
| 1193 | if (unlikely(err)) |
| 1194 | goto error; |
| 1195 | current_core = (current_core - 0x18000000) / 0x1000; |
| 1196 | if (current_core == core) |
| 1197 | break; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1198 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1199 | if (unlikely(attempts++ > BCM43xx_SWITCH_CORE_MAX_RETRIES)) |
| 1200 | goto error; |
| 1201 | udelay(10); |
| 1202 | } |
| 1203 | #ifdef CONFIG_BCM947XX |
| 1204 | if (bcm->pci_dev->bus->number == 0) |
| 1205 | bcm->current_core_offset = 0x1000 * core; |
| 1206 | else |
| 1207 | bcm->current_core_offset = 0; |
| 1208 | #endif |
| 1209 | |
| 1210 | return 0; |
| 1211 | error: |
| 1212 | printk(KERN_ERR PFX "Failed to switch to core %d\n", core); |
| 1213 | return -ENODEV; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1214 | } |
| 1215 | |
| 1216 | int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core) |
| 1217 | { |
| 1218 | int err; |
| 1219 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1220 | if (unlikely(!new_core)) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1221 | return 0; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1222 | if (!new_core->available) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1223 | return -ENODEV; |
| 1224 | if (bcm->current_core == new_core) |
| 1225 | return 0; |
| 1226 | err = _switch_core(bcm, new_core->index); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1227 | if (unlikely(err)) |
| 1228 | goto out; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1229 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1230 | bcm->current_core = new_core; |
| 1231 | bcm->current_80211_core_idx = -1; |
| 1232 | if (new_core->id == BCM43xx_COREID_80211) |
| 1233 | bcm->current_80211_core_idx = (int)(new_core - &(bcm->core_80211[0])); |
| 1234 | |
| 1235 | out: |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1236 | return err; |
| 1237 | } |
| 1238 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1239 | static int bcm43xx_core_enabled(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1240 | { |
| 1241 | u32 value; |
| 1242 | |
| 1243 | value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 1244 | value &= BCM43xx_SBTMSTATELOW_CLOCK | BCM43xx_SBTMSTATELOW_RESET |
| 1245 | | BCM43xx_SBTMSTATELOW_REJECT; |
| 1246 | |
| 1247 | return (value == BCM43xx_SBTMSTATELOW_CLOCK); |
| 1248 | } |
| 1249 | |
| 1250 | /* disable current core */ |
| 1251 | static int bcm43xx_core_disable(struct bcm43xx_private *bcm, u32 core_flags) |
| 1252 | { |
| 1253 | u32 sbtmstatelow; |
| 1254 | u32 sbtmstatehigh; |
| 1255 | int i; |
| 1256 | |
| 1257 | /* fetch sbtmstatelow from core information registers */ |
| 1258 | sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 1259 | |
| 1260 | /* core is already in reset */ |
| 1261 | if (sbtmstatelow & BCM43xx_SBTMSTATELOW_RESET) |
| 1262 | goto out; |
| 1263 | |
| 1264 | if (sbtmstatelow & BCM43xx_SBTMSTATELOW_CLOCK) { |
| 1265 | sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | |
| 1266 | BCM43xx_SBTMSTATELOW_REJECT; |
| 1267 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1268 | |
| 1269 | for (i = 0; i < 1000; i++) { |
| 1270 | sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 1271 | if (sbtmstatelow & BCM43xx_SBTMSTATELOW_REJECT) { |
| 1272 | i = -1; |
| 1273 | break; |
| 1274 | } |
| 1275 | udelay(10); |
| 1276 | } |
| 1277 | if (i != -1) { |
| 1278 | printk(KERN_ERR PFX "Error: core_disable() REJECT timeout!\n"); |
| 1279 | return -EBUSY; |
| 1280 | } |
| 1281 | |
| 1282 | for (i = 0; i < 1000; i++) { |
| 1283 | sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); |
| 1284 | if (!(sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_BUSY)) { |
| 1285 | i = -1; |
| 1286 | break; |
| 1287 | } |
| 1288 | udelay(10); |
| 1289 | } |
| 1290 | if (i != -1) { |
| 1291 | printk(KERN_ERR PFX "Error: core_disable() BUSY timeout!\n"); |
| 1292 | return -EBUSY; |
| 1293 | } |
| 1294 | |
| 1295 | sbtmstatelow = BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | |
| 1296 | BCM43xx_SBTMSTATELOW_REJECT | |
| 1297 | BCM43xx_SBTMSTATELOW_RESET | |
| 1298 | BCM43xx_SBTMSTATELOW_CLOCK | |
| 1299 | core_flags; |
| 1300 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1301 | udelay(10); |
| 1302 | } |
| 1303 | |
| 1304 | sbtmstatelow = BCM43xx_SBTMSTATELOW_RESET | |
| 1305 | BCM43xx_SBTMSTATELOW_REJECT | |
| 1306 | core_flags; |
| 1307 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1308 | |
| 1309 | out: |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1310 | bcm->current_core->enabled = 0; |
| 1311 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1312 | return 0; |
| 1313 | } |
| 1314 | |
| 1315 | /* enable (reset) current core */ |
| 1316 | static int bcm43xx_core_enable(struct bcm43xx_private *bcm, u32 core_flags) |
| 1317 | { |
| 1318 | u32 sbtmstatelow; |
| 1319 | u32 sbtmstatehigh; |
| 1320 | u32 sbimstate; |
| 1321 | int err; |
| 1322 | |
| 1323 | err = bcm43xx_core_disable(bcm, core_flags); |
| 1324 | if (err) |
| 1325 | goto out; |
| 1326 | |
| 1327 | sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | |
| 1328 | BCM43xx_SBTMSTATELOW_RESET | |
| 1329 | BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | |
| 1330 | core_flags; |
| 1331 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1332 | udelay(1); |
| 1333 | |
| 1334 | sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); |
| 1335 | if (sbtmstatehigh & BCM43xx_SBTMSTATEHIGH_SERROR) { |
| 1336 | sbtmstatehigh = 0x00000000; |
| 1337 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATEHIGH, sbtmstatehigh); |
| 1338 | } |
| 1339 | |
| 1340 | sbimstate = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMSTATE); |
| 1341 | if (sbimstate & (BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT)) { |
| 1342 | sbimstate &= ~(BCM43xx_SBIMSTATE_IB_ERROR | BCM43xx_SBIMSTATE_TIMEOUT); |
| 1343 | bcm43xx_write32(bcm, BCM43xx_CIR_SBIMSTATE, sbimstate); |
| 1344 | } |
| 1345 | |
| 1346 | sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | |
| 1347 | BCM43xx_SBTMSTATELOW_FORCE_GATE_CLOCK | |
| 1348 | core_flags; |
| 1349 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1350 | udelay(1); |
| 1351 | |
| 1352 | sbtmstatelow = BCM43xx_SBTMSTATELOW_CLOCK | core_flags; |
| 1353 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1354 | udelay(1); |
| 1355 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1356 | bcm->current_core->enabled = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1357 | assert(err == 0); |
| 1358 | out: |
| 1359 | return err; |
| 1360 | } |
| 1361 | |
| 1362 | /* http://bcm-specs.sipsolutions.net/80211CoreReset */ |
| 1363 | void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy) |
| 1364 | { |
| 1365 | u32 flags = 0x00040000; |
| 1366 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 1367 | if ((bcm43xx_core_enabled(bcm)) && |
| 1368 | !bcm43xx_using_pio(bcm)) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1369 | //FIXME: Do we _really_ want #ifndef CONFIG_BCM947XX here? |
| 1370 | #ifndef CONFIG_BCM947XX |
| 1371 | /* reset all used DMA controllers. */ |
| 1372 | bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA1_BASE); |
| 1373 | bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA2_BASE); |
| 1374 | bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA3_BASE); |
| 1375 | bcm43xx_dmacontroller_tx_reset(bcm, BCM43xx_MMIO_DMA4_BASE); |
| 1376 | bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA1_BASE); |
| 1377 | if (bcm->current_core->rev < 5) |
| 1378 | bcm43xx_dmacontroller_rx_reset(bcm, BCM43xx_MMIO_DMA4_BASE); |
| 1379 | #endif |
| 1380 | } |
| 1381 | if (bcm->shutting_down) { |
| 1382 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, |
| 1383 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) |
| 1384 | & ~(BCM43xx_SBF_MAC_ENABLED | 0x00000002)); |
| 1385 | } else { |
| 1386 | if (connect_phy) |
| 1387 | flags |= 0x20000000; |
| 1388 | bcm43xx_phy_connect(bcm, connect_phy); |
| 1389 | bcm43xx_core_enable(bcm, flags); |
| 1390 | bcm43xx_write16(bcm, 0x03E6, 0x0000); |
| 1391 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, |
| 1392 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) |
| 1393 | | BCM43xx_SBF_400); |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | static void bcm43xx_wireless_core_disable(struct bcm43xx_private *bcm) |
| 1398 | { |
| 1399 | bcm43xx_radio_turn_off(bcm); |
| 1400 | bcm43xx_write16(bcm, 0x03E6, 0x00F4); |
| 1401 | bcm43xx_core_disable(bcm, 0); |
| 1402 | } |
| 1403 | |
| 1404 | /* Mark the current 80211 core inactive. |
| 1405 | * "active_80211_core" is the other 80211 core, which is used. |
| 1406 | */ |
| 1407 | static int bcm43xx_wireless_core_mark_inactive(struct bcm43xx_private *bcm, |
| 1408 | struct bcm43xx_coreinfo *active_80211_core) |
| 1409 | { |
| 1410 | u32 sbtmstatelow; |
| 1411 | struct bcm43xx_coreinfo *old_core; |
| 1412 | int err = 0; |
| 1413 | |
| 1414 | bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); |
| 1415 | bcm43xx_radio_turn_off(bcm); |
| 1416 | sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 1417 | sbtmstatelow &= ~0x200a0000; |
| 1418 | sbtmstatelow |= 0xa0000; |
| 1419 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1420 | udelay(1); |
| 1421 | sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 1422 | sbtmstatelow &= ~0xa0000; |
| 1423 | sbtmstatelow |= 0x80000; |
| 1424 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1425 | udelay(1); |
| 1426 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1427 | if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_G) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1428 | old_core = bcm->current_core; |
| 1429 | err = bcm43xx_switch_core(bcm, active_80211_core); |
| 1430 | if (err) |
| 1431 | goto out; |
| 1432 | sbtmstatelow = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 1433 | sbtmstatelow &= ~0x20000000; |
| 1434 | sbtmstatelow |= 0x20000000; |
| 1435 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, sbtmstatelow); |
| 1436 | err = bcm43xx_switch_core(bcm, old_core); |
| 1437 | } |
| 1438 | |
| 1439 | out: |
| 1440 | return err; |
| 1441 | } |
| 1442 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1443 | static void handle_irq_transmit_status(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1444 | { |
| 1445 | u32 v0, v1; |
| 1446 | u16 tmp; |
| 1447 | struct bcm43xx_xmitstatus stat; |
| 1448 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1449 | while (1) { |
| 1450 | v0 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0); |
| 1451 | if (!v0) |
| 1452 | break; |
| 1453 | v1 = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1); |
| 1454 | |
| 1455 | stat.cookie = (v0 >> 16) & 0x0000FFFF; |
| 1456 | tmp = (u16)((v0 & 0xFFF0) | ((v0 & 0xF) >> 1)); |
| 1457 | stat.flags = tmp & 0xFF; |
| 1458 | stat.cnt1 = (tmp & 0x0F00) >> 8; |
| 1459 | stat.cnt2 = (tmp & 0xF000) >> 12; |
| 1460 | stat.seq = (u16)(v1 & 0xFFFF); |
| 1461 | stat.unknown = (u16)((v1 >> 16) & 0xFF); |
| 1462 | |
| 1463 | bcm43xx_debugfs_log_txstat(bcm, &stat); |
| 1464 | |
| 1465 | if (stat.flags & BCM43xx_TXSTAT_FLAG_IGNORE) |
| 1466 | continue; |
| 1467 | if (!(stat.flags & BCM43xx_TXSTAT_FLAG_ACK)) { |
| 1468 | //TODO: packet was not acked (was lost) |
| 1469 | } |
| 1470 | //TODO: There are more (unknown) flags to test. see bcm43xx_main.h |
| 1471 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 1472 | if (bcm43xx_using_pio(bcm)) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1473 | bcm43xx_pio_handle_xmitstatus(bcm, &stat); |
| 1474 | else |
| 1475 | bcm43xx_dma_handle_xmitstatus(bcm, &stat); |
| 1476 | } |
| 1477 | } |
| 1478 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1479 | static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1480 | { |
| 1481 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F); |
| 1482 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x40A, 0x7F7F); |
| 1483 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, |
| 1484 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) | (1 << 4)); |
| 1485 | assert(bcm->noisecalc.core_at_start == bcm->current_core); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1486 | assert(bcm->noisecalc.channel_at_start == bcm43xx_current_radio(bcm)->channel); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1487 | } |
| 1488 | |
| 1489 | static void bcm43xx_calculate_link_quality(struct bcm43xx_private *bcm) |
| 1490 | { |
| 1491 | /* Top half of Link Quality calculation. */ |
| 1492 | |
| 1493 | if (bcm->noisecalc.calculation_running) |
| 1494 | return; |
| 1495 | bcm->noisecalc.core_at_start = bcm->current_core; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1496 | bcm->noisecalc.channel_at_start = bcm43xx_current_radio(bcm)->channel; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1497 | bcm->noisecalc.calculation_running = 1; |
| 1498 | bcm->noisecalc.nr_samples = 0; |
| 1499 | |
| 1500 | bcm43xx_generate_noise_sample(bcm); |
| 1501 | } |
| 1502 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1503 | static void handle_irq_noise(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1504 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1505 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1506 | u16 tmp; |
| 1507 | u8 noise[4]; |
| 1508 | u8 i, j; |
| 1509 | s32 average; |
| 1510 | |
| 1511 | /* Bottom half of Link Quality calculation. */ |
| 1512 | |
| 1513 | assert(bcm->noisecalc.calculation_running); |
| 1514 | if (bcm->noisecalc.core_at_start != bcm->current_core || |
| 1515 | bcm->noisecalc.channel_at_start != radio->channel) |
| 1516 | goto drop_calculation; |
| 1517 | tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x408); |
| 1518 | noise[0] = (tmp & 0x00FF); |
| 1519 | noise[1] = (tmp & 0xFF00) >> 8; |
| 1520 | tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40A); |
| 1521 | noise[2] = (tmp & 0x00FF); |
| 1522 | noise[3] = (tmp & 0xFF00) >> 8; |
| 1523 | if (noise[0] == 0x7F || noise[1] == 0x7F || |
| 1524 | noise[2] == 0x7F || noise[3] == 0x7F) |
| 1525 | goto generate_new; |
| 1526 | |
| 1527 | /* Get the noise samples. */ |
| 1528 | assert(bcm->noisecalc.nr_samples <= 8); |
| 1529 | i = bcm->noisecalc.nr_samples; |
| 1530 | noise[0] = limit_value(noise[0], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); |
| 1531 | noise[1] = limit_value(noise[1], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); |
| 1532 | noise[2] = limit_value(noise[2], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); |
| 1533 | noise[3] = limit_value(noise[3], 0, ARRAY_SIZE(radio->nrssi_lt) - 1); |
| 1534 | bcm->noisecalc.samples[i][0] = radio->nrssi_lt[noise[0]]; |
| 1535 | bcm->noisecalc.samples[i][1] = radio->nrssi_lt[noise[1]]; |
| 1536 | bcm->noisecalc.samples[i][2] = radio->nrssi_lt[noise[2]]; |
| 1537 | bcm->noisecalc.samples[i][3] = radio->nrssi_lt[noise[3]]; |
| 1538 | bcm->noisecalc.nr_samples++; |
| 1539 | if (bcm->noisecalc.nr_samples == 8) { |
| 1540 | /* Calculate the Link Quality by the noise samples. */ |
| 1541 | average = 0; |
| 1542 | for (i = 0; i < 8; i++) { |
| 1543 | for (j = 0; j < 4; j++) |
| 1544 | average += bcm->noisecalc.samples[i][j]; |
| 1545 | } |
| 1546 | average /= (8 * 4); |
| 1547 | average *= 125; |
| 1548 | average += 64; |
| 1549 | average /= 128; |
Michael Buesch | 72fb851 | 2006-03-22 18:10:19 +0100 | [diff] [blame] | 1550 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1551 | tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x40C); |
| 1552 | tmp = (tmp / 128) & 0x1F; |
| 1553 | if (tmp >= 8) |
| 1554 | average += 2; |
| 1555 | else |
| 1556 | average -= 25; |
| 1557 | if (tmp == 8) |
| 1558 | average -= 72; |
| 1559 | else |
| 1560 | average -= 48; |
| 1561 | |
Michael Buesch | 72fb851 | 2006-03-22 18:10:19 +0100 | [diff] [blame] | 1562 | /* FIXME: This is wrong, but people want fancy stats. well... */ |
| 1563 | bcm->stats.noise = average; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1564 | if (average > -65) |
| 1565 | bcm->stats.link_quality = 0; |
| 1566 | else if (average > -75) |
| 1567 | bcm->stats.link_quality = 1; |
| 1568 | else if (average > -85) |
| 1569 | bcm->stats.link_quality = 2; |
| 1570 | else |
| 1571 | bcm->stats.link_quality = 3; |
| 1572 | // dprintk(KERN_INFO PFX "Link Quality: %u (avg was %d)\n", bcm->stats.link_quality, average); |
| 1573 | drop_calculation: |
| 1574 | bcm->noisecalc.calculation_running = 0; |
| 1575 | return; |
| 1576 | } |
| 1577 | generate_new: |
| 1578 | bcm43xx_generate_noise_sample(bcm); |
| 1579 | } |
| 1580 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1581 | static void handle_irq_ps(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1582 | { |
| 1583 | if (bcm->ieee->iw_mode == IW_MODE_MASTER) { |
| 1584 | ///TODO: PS TBTT |
| 1585 | } else { |
| 1586 | if (1/*FIXME: the last PSpoll frame was sent successfully */) |
| 1587 | bcm43xx_power_saving_ctl_bits(bcm, -1, -1); |
| 1588 | } |
| 1589 | if (bcm->ieee->iw_mode == IW_MODE_ADHOC) |
| 1590 | bcm->reg124_set_0x4 = 1; |
| 1591 | //FIXME else set to false? |
| 1592 | } |
| 1593 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1594 | static void handle_irq_reg124(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1595 | { |
| 1596 | if (!bcm->reg124_set_0x4) |
| 1597 | return; |
| 1598 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, |
| 1599 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD) |
| 1600 | | 0x4); |
| 1601 | //FIXME: reset reg124_set_0x4 to false? |
| 1602 | } |
| 1603 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1604 | static void handle_irq_pmq(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1605 | { |
| 1606 | u32 tmp; |
| 1607 | |
| 1608 | //TODO: AP mode. |
| 1609 | |
| 1610 | while (1) { |
| 1611 | tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_PS_STATUS); |
| 1612 | if (!(tmp & 0x00000008)) |
| 1613 | break; |
| 1614 | } |
| 1615 | /* 16bit write is odd, but correct. */ |
| 1616 | bcm43xx_write16(bcm, BCM43xx_MMIO_PS_STATUS, 0x0002); |
| 1617 | } |
| 1618 | |
| 1619 | static void bcm43xx_generate_beacon_template(struct bcm43xx_private *bcm, |
| 1620 | u16 ram_offset, u16 shm_size_offset) |
| 1621 | { |
| 1622 | u32 value; |
| 1623 | u16 size = 0; |
| 1624 | |
| 1625 | /* Timestamp. */ |
| 1626 | //FIXME: assumption: The chip sets the timestamp |
| 1627 | value = 0; |
| 1628 | bcm43xx_ram_write(bcm, ram_offset++, value); |
| 1629 | bcm43xx_ram_write(bcm, ram_offset++, value); |
| 1630 | size += 8; |
| 1631 | |
| 1632 | /* Beacon Interval / Capability Information */ |
| 1633 | value = 0x0000;//FIXME: Which interval? |
| 1634 | value |= (1 << 0) << 16; /* ESS */ |
| 1635 | value |= (1 << 2) << 16; /* CF Pollable */ //FIXME? |
| 1636 | value |= (1 << 3) << 16; /* CF Poll Request */ //FIXME? |
| 1637 | if (!bcm->ieee->open_wep) |
| 1638 | value |= (1 << 4) << 16; /* Privacy */ |
| 1639 | bcm43xx_ram_write(bcm, ram_offset++, value); |
| 1640 | size += 4; |
| 1641 | |
| 1642 | /* SSID */ |
| 1643 | //TODO |
| 1644 | |
| 1645 | /* FH Parameter Set */ |
| 1646 | //TODO |
| 1647 | |
| 1648 | /* DS Parameter Set */ |
| 1649 | //TODO |
| 1650 | |
| 1651 | /* CF Parameter Set */ |
| 1652 | //TODO |
| 1653 | |
| 1654 | /* TIM */ |
| 1655 | //TODO |
| 1656 | |
| 1657 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, shm_size_offset, size); |
| 1658 | } |
| 1659 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 1660 | static void handle_irq_beacon(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1661 | { |
| 1662 | u32 status; |
| 1663 | |
| 1664 | bcm->irq_savedstate &= ~BCM43xx_IRQ_BEACON; |
| 1665 | status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD); |
| 1666 | |
| 1667 | if ((status & 0x1) && (status & 0x2)) { |
| 1668 | /* ACK beacon IRQ. */ |
| 1669 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, |
| 1670 | BCM43xx_IRQ_BEACON); |
| 1671 | bcm->irq_savedstate |= BCM43xx_IRQ_BEACON; |
| 1672 | return; |
| 1673 | } |
| 1674 | if (!(status & 0x1)) { |
| 1675 | bcm43xx_generate_beacon_template(bcm, 0x68, 0x18); |
| 1676 | status |= 0x1; |
| 1677 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); |
| 1678 | } |
| 1679 | if (!(status & 0x2)) { |
| 1680 | bcm43xx_generate_beacon_template(bcm, 0x468, 0x1A); |
| 1681 | status |= 0x2; |
| 1682 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS2_BITFIELD, status); |
| 1683 | } |
| 1684 | } |
| 1685 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1686 | /* Interrupt handler bottom-half */ |
| 1687 | static void bcm43xx_interrupt_tasklet(struct bcm43xx_private *bcm) |
| 1688 | { |
| 1689 | u32 reason; |
| 1690 | u32 dma_reason[4]; |
| 1691 | int activity = 0; |
| 1692 | unsigned long flags; |
| 1693 | |
| 1694 | #ifdef CONFIG_BCM43XX_DEBUG |
| 1695 | u32 _handled = 0x00000000; |
| 1696 | # define bcmirq_handled(irq) do { _handled |= (irq); } while (0) |
| 1697 | #else |
| 1698 | # define bcmirq_handled(irq) do { /* nothing */ } while (0) |
| 1699 | #endif /* CONFIG_BCM43XX_DEBUG*/ |
| 1700 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1701 | bcm43xx_lock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1702 | reason = bcm->irq_reason; |
| 1703 | dma_reason[0] = bcm->dma_reason[0]; |
| 1704 | dma_reason[1] = bcm->dma_reason[1]; |
| 1705 | dma_reason[2] = bcm->dma_reason[2]; |
| 1706 | dma_reason[3] = bcm->dma_reason[3]; |
| 1707 | |
| 1708 | if (unlikely(reason & BCM43xx_IRQ_XMIT_ERROR)) { |
| 1709 | /* TX error. We get this when Template Ram is written in wrong endianess |
| 1710 | * in dummy_tx(). We also get this if something is wrong with the TX header |
| 1711 | * on DMA or PIO queues. |
| 1712 | * Maybe we get this in other error conditions, too. |
| 1713 | */ |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1714 | printkl(KERN_ERR PFX "FATAL ERROR: BCM43xx_IRQ_XMIT_ERROR\n"); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1715 | bcmirq_handled(BCM43xx_IRQ_XMIT_ERROR); |
| 1716 | } |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 1717 | if (unlikely((dma_reason[0] & BCM43xx_DMAIRQ_FATALMASK) | |
| 1718 | (dma_reason[1] & BCM43xx_DMAIRQ_FATALMASK) | |
| 1719 | (dma_reason[2] & BCM43xx_DMAIRQ_FATALMASK) | |
| 1720 | (dma_reason[3] & BCM43xx_DMAIRQ_FATALMASK))) { |
| 1721 | printkl(KERN_ERR PFX "FATAL ERROR: Fatal DMA error: " |
| 1722 | "0x%08X, 0x%08X, 0x%08X, 0x%08X\n", |
| 1723 | dma_reason[0], dma_reason[1], |
| 1724 | dma_reason[2], dma_reason[3]); |
| 1725 | bcm43xx_controller_restart(bcm, "DMA error"); |
| 1726 | bcm43xx_unlock_mmio(bcm, flags); |
| 1727 | return; |
| 1728 | } |
| 1729 | if (unlikely((dma_reason[0] & BCM43xx_DMAIRQ_NONFATALMASK) | |
| 1730 | (dma_reason[1] & BCM43xx_DMAIRQ_NONFATALMASK) | |
| 1731 | (dma_reason[2] & BCM43xx_DMAIRQ_NONFATALMASK) | |
| 1732 | (dma_reason[3] & BCM43xx_DMAIRQ_NONFATALMASK))) { |
| 1733 | printkl(KERN_ERR PFX "DMA error: " |
| 1734 | "0x%08X, 0x%08X, 0x%08X, 0x%08X\n", |
| 1735 | dma_reason[0], dma_reason[1], |
| 1736 | dma_reason[2], dma_reason[3]); |
| 1737 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1738 | |
| 1739 | if (reason & BCM43xx_IRQ_PS) { |
| 1740 | handle_irq_ps(bcm); |
| 1741 | bcmirq_handled(BCM43xx_IRQ_PS); |
| 1742 | } |
| 1743 | |
| 1744 | if (reason & BCM43xx_IRQ_REG124) { |
| 1745 | handle_irq_reg124(bcm); |
| 1746 | bcmirq_handled(BCM43xx_IRQ_REG124); |
| 1747 | } |
| 1748 | |
| 1749 | if (reason & BCM43xx_IRQ_BEACON) { |
| 1750 | if (bcm->ieee->iw_mode == IW_MODE_MASTER) |
| 1751 | handle_irq_beacon(bcm); |
| 1752 | bcmirq_handled(BCM43xx_IRQ_BEACON); |
| 1753 | } |
| 1754 | |
| 1755 | if (reason & BCM43xx_IRQ_PMQ) { |
| 1756 | handle_irq_pmq(bcm); |
| 1757 | bcmirq_handled(BCM43xx_IRQ_PMQ); |
| 1758 | } |
| 1759 | |
| 1760 | if (reason & BCM43xx_IRQ_SCAN) { |
| 1761 | /*TODO*/ |
| 1762 | //bcmirq_handled(BCM43xx_IRQ_SCAN); |
| 1763 | } |
| 1764 | |
| 1765 | if (reason & BCM43xx_IRQ_NOISE) { |
| 1766 | handle_irq_noise(bcm); |
| 1767 | bcmirq_handled(BCM43xx_IRQ_NOISE); |
| 1768 | } |
| 1769 | |
| 1770 | /* Check the DMA reason registers for received data. */ |
| 1771 | assert(!(dma_reason[1] & BCM43xx_DMAIRQ_RX_DONE)); |
| 1772 | assert(!(dma_reason[2] & BCM43xx_DMAIRQ_RX_DONE)); |
| 1773 | if (dma_reason[0] & BCM43xx_DMAIRQ_RX_DONE) { |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 1774 | if (bcm43xx_using_pio(bcm)) |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1775 | bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue0); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1776 | else |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1777 | bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring0); |
Michael Buesch | dcfd720 | 2006-02-12 20:25:55 +0100 | [diff] [blame] | 1778 | /* We intentionally don't set "activity" to 1, here. */ |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1779 | } |
| 1780 | if (dma_reason[3] & BCM43xx_DMAIRQ_RX_DONE) { |
Michael Buesch | e1b1b58 | 2006-03-13 15:20:05 +0100 | [diff] [blame] | 1781 | if (bcm43xx_using_pio(bcm)) |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1782 | bcm43xx_pio_rx(bcm43xx_current_pio(bcm)->queue3); |
Michael Buesch | e1b1b58 | 2006-03-13 15:20:05 +0100 | [diff] [blame] | 1783 | else |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1784 | bcm43xx_dma_rx(bcm43xx_current_dma(bcm)->rx_ring1); |
Michael Buesch | e1b1b58 | 2006-03-13 15:20:05 +0100 | [diff] [blame] | 1785 | activity = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1786 | } |
| 1787 | bcmirq_handled(BCM43xx_IRQ_RX); |
| 1788 | |
| 1789 | if (reason & BCM43xx_IRQ_XMIT_STATUS) { |
Michael Buesch | e1b1b58 | 2006-03-13 15:20:05 +0100 | [diff] [blame] | 1790 | handle_irq_transmit_status(bcm); |
| 1791 | activity = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1792 | //TODO: In AP mode, this also causes sending of powersave responses. |
| 1793 | bcmirq_handled(BCM43xx_IRQ_XMIT_STATUS); |
| 1794 | } |
| 1795 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1796 | /* IRQ_PIO_WORKAROUND is handled in the top-half. */ |
| 1797 | bcmirq_handled(BCM43xx_IRQ_PIO_WORKAROUND); |
| 1798 | #ifdef CONFIG_BCM43XX_DEBUG |
| 1799 | if (unlikely(reason & ~_handled)) { |
| 1800 | printkl(KERN_WARNING PFX |
| 1801 | "Unhandled IRQ! Reason: 0x%08x, Unhandled: 0x%08x, " |
| 1802 | "DMA: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", |
| 1803 | reason, (reason & ~_handled), |
| 1804 | dma_reason[0], dma_reason[1], |
| 1805 | dma_reason[2], dma_reason[3]); |
| 1806 | } |
| 1807 | #endif |
| 1808 | #undef bcmirq_handled |
| 1809 | |
| 1810 | if (!modparam_noleds) |
| 1811 | bcm43xx_leds_update(bcm, activity); |
| 1812 | bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1813 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1814 | } |
| 1815 | |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1816 | static void pio_irq_workaround(struct bcm43xx_private *bcm, |
| 1817 | u16 base, int queueidx) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1818 | { |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1819 | u16 rxctl; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1820 | |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1821 | rxctl = bcm43xx_read16(bcm, base + BCM43xx_PIO_RXCTL); |
| 1822 | if (rxctl & BCM43xx_PIO_RXCTL_DATAAVAILABLE) |
| 1823 | bcm->dma_reason[queueidx] |= BCM43xx_DMAIRQ_RX_DONE; |
| 1824 | else |
| 1825 | bcm->dma_reason[queueidx] &= ~BCM43xx_DMAIRQ_RX_DONE; |
| 1826 | } |
| 1827 | |
| 1828 | static void bcm43xx_interrupt_ack(struct bcm43xx_private *bcm, u32 reason) |
| 1829 | { |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 1830 | if (bcm43xx_using_pio(bcm) && |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1831 | (bcm->current_core->rev < 3) && |
| 1832 | (!(reason & BCM43xx_IRQ_PIO_WORKAROUND))) { |
| 1833 | /* Apply a PIO specific workaround to the dma_reasons */ |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1834 | pio_irq_workaround(bcm, BCM43xx_MMIO_PIO1_BASE, 0); |
| 1835 | pio_irq_workaround(bcm, BCM43xx_MMIO_PIO2_BASE, 1); |
| 1836 | pio_irq_workaround(bcm, BCM43xx_MMIO_PIO3_BASE, 2); |
| 1837 | pio_irq_workaround(bcm, BCM43xx_MMIO_PIO4_BASE, 3); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1838 | } |
| 1839 | |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1840 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, reason); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1841 | |
| 1842 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_REASON, |
| 1843 | bcm->dma_reason[0]); |
| 1844 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_REASON, |
| 1845 | bcm->dma_reason[1]); |
| 1846 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_REASON, |
| 1847 | bcm->dma_reason[2]); |
| 1848 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_REASON, |
| 1849 | bcm->dma_reason[3]); |
| 1850 | } |
| 1851 | |
| 1852 | /* Interrupt handler top-half */ |
| 1853 | static irqreturn_t bcm43xx_interrupt_handler(int irq, void *dev_id, struct pt_regs *regs) |
| 1854 | { |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1855 | irqreturn_t ret = IRQ_HANDLED; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1856 | struct bcm43xx_private *bcm = dev_id; |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1857 | u32 reason; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1858 | |
| 1859 | if (!bcm) |
| 1860 | return IRQ_NONE; |
| 1861 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1862 | spin_lock(&bcm->_lock); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1863 | |
| 1864 | reason = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); |
| 1865 | if (reason == 0xffffffff) { |
| 1866 | /* irq not for us (shared irq) */ |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1867 | ret = IRQ_NONE; |
| 1868 | goto out; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1869 | } |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1870 | reason &= bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_MASK); |
| 1871 | if (!reason) |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1872 | goto out; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1873 | |
Michael Buesch | 0ac59da | 2006-03-19 21:43:40 +0100 | [diff] [blame] | 1874 | bcm->dma_reason[0] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA1_REASON) |
| 1875 | & 0x0001dc00; |
| 1876 | bcm->dma_reason[1] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA2_REASON) |
| 1877 | & 0x0000dc00; |
| 1878 | bcm->dma_reason[2] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA3_REASON) |
| 1879 | & 0x0000dc00; |
| 1880 | bcm->dma_reason[3] = bcm43xx_read32(bcm, BCM43xx_MMIO_DMA4_REASON) |
| 1881 | & 0x0001dc00; |
| 1882 | |
| 1883 | bcm43xx_interrupt_ack(bcm, reason); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1884 | |
Michael Buesch | bf7b876 | 2006-02-21 17:58:18 +0100 | [diff] [blame] | 1885 | /* Only accept IRQs, if we are initialized properly. |
| 1886 | * This avoids an RX race while initializing. |
| 1887 | * We should probably not enable IRQs before we are initialized |
| 1888 | * completely, but some careful work is needed to fix this. I think it |
| 1889 | * is best to stay with this cheap workaround for now... . |
| 1890 | */ |
| 1891 | if (likely(bcm->initialized)) { |
| 1892 | /* disable all IRQs. They are enabled again in the bottom half. */ |
| 1893 | bcm->irq_savedstate = bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); |
| 1894 | /* save the reason code and call our bottom half. */ |
| 1895 | bcm->irq_reason = reason; |
| 1896 | tasklet_schedule(&bcm->isr_tasklet); |
| 1897 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1898 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1899 | out: |
| 1900 | mmiowb(); |
| 1901 | spin_unlock(&bcm->_lock); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1902 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 1903 | return ret; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1904 | } |
| 1905 | |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 1906 | static void bcm43xx_release_firmware(struct bcm43xx_private *bcm, int force) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1907 | { |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 1908 | if (bcm->firmware_norelease && !force) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1909 | return; /* Suspending or controller reset. */ |
| 1910 | release_firmware(bcm->ucode); |
| 1911 | bcm->ucode = NULL; |
| 1912 | release_firmware(bcm->pcm); |
| 1913 | bcm->pcm = NULL; |
| 1914 | release_firmware(bcm->initvals0); |
| 1915 | bcm->initvals0 = NULL; |
| 1916 | release_firmware(bcm->initvals1); |
| 1917 | bcm->initvals1 = NULL; |
| 1918 | } |
| 1919 | |
| 1920 | static int bcm43xx_request_firmware(struct bcm43xx_private *bcm) |
| 1921 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 1922 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 1923 | u8 rev = bcm->current_core->rev; |
| 1924 | int err = 0; |
| 1925 | int nr; |
| 1926 | char buf[22 + sizeof(modparam_fwpostfix) - 1] = { 0 }; |
| 1927 | |
| 1928 | if (!bcm->ucode) { |
| 1929 | snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_microcode%d%s.fw", |
| 1930 | (rev >= 5 ? 5 : rev), |
| 1931 | modparam_fwpostfix); |
| 1932 | err = request_firmware(&bcm->ucode, buf, &bcm->pci_dev->dev); |
| 1933 | if (err) { |
| 1934 | printk(KERN_ERR PFX |
| 1935 | "Error: Microcode \"%s\" not available or load failed.\n", |
| 1936 | buf); |
| 1937 | goto error; |
| 1938 | } |
| 1939 | } |
| 1940 | |
| 1941 | if (!bcm->pcm) { |
| 1942 | snprintf(buf, ARRAY_SIZE(buf), |
| 1943 | "bcm43xx_pcm%d%s.fw", |
| 1944 | (rev < 5 ? 4 : 5), |
| 1945 | modparam_fwpostfix); |
| 1946 | err = request_firmware(&bcm->pcm, buf, &bcm->pci_dev->dev); |
| 1947 | if (err) { |
| 1948 | printk(KERN_ERR PFX |
| 1949 | "Error: PCM \"%s\" not available or load failed.\n", |
| 1950 | buf); |
| 1951 | goto error; |
| 1952 | } |
| 1953 | } |
| 1954 | |
| 1955 | if (!bcm->initvals0) { |
| 1956 | if (rev == 2 || rev == 4) { |
| 1957 | switch (phy->type) { |
| 1958 | case BCM43xx_PHYTYPE_A: |
| 1959 | nr = 3; |
| 1960 | break; |
| 1961 | case BCM43xx_PHYTYPE_B: |
| 1962 | case BCM43xx_PHYTYPE_G: |
| 1963 | nr = 1; |
| 1964 | break; |
| 1965 | default: |
| 1966 | goto err_noinitval; |
| 1967 | } |
| 1968 | |
| 1969 | } else if (rev >= 5) { |
| 1970 | switch (phy->type) { |
| 1971 | case BCM43xx_PHYTYPE_A: |
| 1972 | nr = 7; |
| 1973 | break; |
| 1974 | case BCM43xx_PHYTYPE_B: |
| 1975 | case BCM43xx_PHYTYPE_G: |
| 1976 | nr = 5; |
| 1977 | break; |
| 1978 | default: |
| 1979 | goto err_noinitval; |
| 1980 | } |
| 1981 | } else |
| 1982 | goto err_noinitval; |
| 1983 | snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", |
| 1984 | nr, modparam_fwpostfix); |
| 1985 | |
| 1986 | err = request_firmware(&bcm->initvals0, buf, &bcm->pci_dev->dev); |
| 1987 | if (err) { |
| 1988 | printk(KERN_ERR PFX |
| 1989 | "Error: InitVals \"%s\" not available or load failed.\n", |
| 1990 | buf); |
| 1991 | goto error; |
| 1992 | } |
| 1993 | if (bcm->initvals0->size % sizeof(struct bcm43xx_initval)) { |
| 1994 | printk(KERN_ERR PFX "InitVals fileformat error.\n"); |
| 1995 | goto error; |
| 1996 | } |
| 1997 | } |
| 1998 | |
| 1999 | if (!bcm->initvals1) { |
| 2000 | if (rev >= 5) { |
| 2001 | u32 sbtmstatehigh; |
| 2002 | |
| 2003 | switch (phy->type) { |
| 2004 | case BCM43xx_PHYTYPE_A: |
| 2005 | sbtmstatehigh = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH); |
| 2006 | if (sbtmstatehigh & 0x00010000) |
| 2007 | nr = 9; |
| 2008 | else |
| 2009 | nr = 10; |
| 2010 | break; |
| 2011 | case BCM43xx_PHYTYPE_B: |
| 2012 | case BCM43xx_PHYTYPE_G: |
| 2013 | nr = 6; |
| 2014 | break; |
| 2015 | default: |
| 2016 | goto err_noinitval; |
| 2017 | } |
| 2018 | snprintf(buf, ARRAY_SIZE(buf), "bcm43xx_initval%02d%s.fw", |
| 2019 | nr, modparam_fwpostfix); |
| 2020 | |
| 2021 | err = request_firmware(&bcm->initvals1, buf, &bcm->pci_dev->dev); |
| 2022 | if (err) { |
| 2023 | printk(KERN_ERR PFX |
| 2024 | "Error: InitVals \"%s\" not available or load failed.\n", |
| 2025 | buf); |
| 2026 | goto error; |
| 2027 | } |
| 2028 | if (bcm->initvals1->size % sizeof(struct bcm43xx_initval)) { |
| 2029 | printk(KERN_ERR PFX "InitVals fileformat error.\n"); |
| 2030 | goto error; |
| 2031 | } |
| 2032 | } |
| 2033 | } |
| 2034 | |
| 2035 | out: |
| 2036 | return err; |
| 2037 | error: |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2038 | bcm43xx_release_firmware(bcm, 1); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2039 | goto out; |
| 2040 | err_noinitval: |
| 2041 | printk(KERN_ERR PFX "Error: No InitVals available!\n"); |
| 2042 | err = -ENOENT; |
| 2043 | goto error; |
| 2044 | } |
| 2045 | |
| 2046 | static void bcm43xx_upload_microcode(struct bcm43xx_private *bcm) |
| 2047 | { |
| 2048 | const u32 *data; |
| 2049 | unsigned int i, len; |
| 2050 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2051 | /* Upload Microcode. */ |
| 2052 | data = (u32 *)(bcm->ucode->data); |
| 2053 | len = bcm->ucode->size / sizeof(u32); |
| 2054 | bcm43xx_shm_control_word(bcm, BCM43xx_SHM_UCODE, 0x0000); |
| 2055 | for (i = 0; i < len; i++) { |
| 2056 | bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, |
| 2057 | be32_to_cpu(data[i])); |
| 2058 | udelay(10); |
| 2059 | } |
| 2060 | |
| 2061 | /* Upload PCM data. */ |
| 2062 | data = (u32 *)(bcm->pcm->data); |
| 2063 | len = bcm->pcm->size / sizeof(u32); |
| 2064 | bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01ea); |
| 2065 | bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, 0x00004000); |
| 2066 | bcm43xx_shm_control_word(bcm, BCM43xx_SHM_PCM, 0x01eb); |
| 2067 | for (i = 0; i < len; i++) { |
| 2068 | bcm43xx_write32(bcm, BCM43xx_MMIO_SHM_DATA, |
| 2069 | be32_to_cpu(data[i])); |
| 2070 | udelay(10); |
| 2071 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2072 | } |
| 2073 | |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2074 | static int bcm43xx_write_initvals(struct bcm43xx_private *bcm, |
| 2075 | const struct bcm43xx_initval *data, |
| 2076 | const unsigned int len) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2077 | { |
| 2078 | u16 offset, size; |
| 2079 | u32 value; |
| 2080 | unsigned int i; |
| 2081 | |
| 2082 | for (i = 0; i < len; i++) { |
| 2083 | offset = be16_to_cpu(data[i].offset); |
| 2084 | size = be16_to_cpu(data[i].size); |
| 2085 | value = be32_to_cpu(data[i].value); |
| 2086 | |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2087 | if (unlikely(offset >= 0x1000)) |
| 2088 | goto err_format; |
| 2089 | if (size == 2) { |
| 2090 | if (unlikely(value & 0xFFFF0000)) |
| 2091 | goto err_format; |
| 2092 | bcm43xx_write16(bcm, offset, (u16)value); |
| 2093 | } else if (size == 4) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2094 | bcm43xx_write32(bcm, offset, value); |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2095 | } else |
| 2096 | goto err_format; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2097 | } |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2098 | |
| 2099 | return 0; |
| 2100 | |
| 2101 | err_format: |
| 2102 | printk(KERN_ERR PFX "InitVals (bcm43xx_initvalXX.fw) file-format error. " |
| 2103 | "Please fix your bcm43xx firmware files.\n"); |
| 2104 | return -EPROTO; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2105 | } |
| 2106 | |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2107 | static int bcm43xx_upload_initvals(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2108 | { |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2109 | int err; |
| 2110 | |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2111 | err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)bcm->initvals0->data, |
| 2112 | bcm->initvals0->size / sizeof(struct bcm43xx_initval)); |
| 2113 | if (err) |
| 2114 | goto out; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2115 | if (bcm->initvals1) { |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2116 | err = bcm43xx_write_initvals(bcm, (struct bcm43xx_initval *)bcm->initvals1->data, |
| 2117 | bcm->initvals1->size / sizeof(struct bcm43xx_initval)); |
| 2118 | if (err) |
| 2119 | goto out; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2120 | } |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2121 | out: |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2122 | return err; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2123 | } |
| 2124 | |
| 2125 | static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm) |
| 2126 | { |
| 2127 | int res; |
| 2128 | unsigned int i; |
| 2129 | u32 data; |
| 2130 | |
| 2131 | bcm->irq = bcm->pci_dev->irq; |
| 2132 | #ifdef CONFIG_BCM947XX |
| 2133 | if (bcm->pci_dev->bus->number == 0) { |
| 2134 | struct pci_dev *d = NULL; |
| 2135 | /* FIXME: we will probably need more device IDs here... */ |
| 2136 | d = pci_find_device(PCI_VENDOR_ID_BROADCOM, 0x4324, NULL); |
| 2137 | if (d != NULL) { |
| 2138 | bcm->irq = d->irq; |
| 2139 | } |
| 2140 | } |
| 2141 | #endif |
| 2142 | res = request_irq(bcm->irq, bcm43xx_interrupt_handler, |
Michael Buesch | 65f3f19 | 2006-01-31 20:11:38 +0100 | [diff] [blame] | 2143 | SA_SHIRQ, KBUILD_MODNAME, bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2144 | if (res) { |
| 2145 | printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2146 | return -ENODEV; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2147 | } |
| 2148 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0xffffffff); |
| 2149 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, 0x00020402); |
| 2150 | i = 0; |
| 2151 | while (1) { |
| 2152 | data = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); |
| 2153 | if (data == BCM43xx_IRQ_READY) |
| 2154 | break; |
| 2155 | i++; |
| 2156 | if (i >= BCM43xx_IRQWAIT_MAX_RETRIES) { |
| 2157 | printk(KERN_ERR PFX "Card IRQ register not responding. " |
| 2158 | "Giving up.\n"); |
| 2159 | free_irq(bcm->irq, bcm); |
| 2160 | return -ENODEV; |
| 2161 | } |
| 2162 | udelay(10); |
| 2163 | } |
| 2164 | // dummy read |
| 2165 | bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); |
| 2166 | |
| 2167 | return 0; |
| 2168 | } |
| 2169 | |
| 2170 | /* Switch to the core used to write the GPIO register. |
| 2171 | * This is either the ChipCommon, or the PCI core. |
| 2172 | */ |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2173 | static int switch_to_gpio_core(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2174 | { |
| 2175 | int err; |
| 2176 | |
| 2177 | /* Where to find the GPIO register depends on the chipset. |
| 2178 | * If it has a ChipCommon, its register at offset 0x6c is the GPIO |
| 2179 | * control register. Otherwise the register at offset 0x6c in the |
| 2180 | * PCI core is the GPIO control register. |
| 2181 | */ |
| 2182 | err = bcm43xx_switch_core(bcm, &bcm->core_chipcommon); |
| 2183 | if (err == -ENODEV) { |
| 2184 | err = bcm43xx_switch_core(bcm, &bcm->core_pci); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2185 | if (unlikely(err == -ENODEV)) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2186 | printk(KERN_ERR PFX "gpio error: " |
| 2187 | "Neither ChipCommon nor PCI core available!\n"); |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2188 | } |
| 2189 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2190 | |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2191 | return err; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2192 | } |
| 2193 | |
| 2194 | /* Initialize the GPIOs |
| 2195 | * http://bcm-specs.sipsolutions.net/GPIO |
| 2196 | */ |
| 2197 | static int bcm43xx_gpio_init(struct bcm43xx_private *bcm) |
| 2198 | { |
| 2199 | struct bcm43xx_coreinfo *old_core; |
| 2200 | int err; |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2201 | u32 mask, set; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2202 | |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2203 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, |
| 2204 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) |
| 2205 | & 0xFFFF3FFF); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2206 | |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2207 | bcm43xx_leds_switch_all(bcm, 0); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2208 | bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, |
| 2209 | bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) | 0x000F); |
| 2210 | |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2211 | mask = 0x0000001F; |
| 2212 | set = 0x0000000F; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2213 | if (bcm->chip_id == 0x4301) { |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2214 | mask |= 0x0060; |
| 2215 | set |= 0x0060; |
| 2216 | } |
| 2217 | if (0 /* FIXME: conditional unknown */) { |
| 2218 | bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, |
| 2219 | bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) |
| 2220 | | 0x0100); |
| 2221 | mask |= 0x0180; |
| 2222 | set |= 0x0180; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2223 | } |
| 2224 | if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) { |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2225 | bcm43xx_write16(bcm, BCM43xx_MMIO_GPIO_MASK, |
| 2226 | bcm43xx_read16(bcm, BCM43xx_MMIO_GPIO_MASK) |
| 2227 | | 0x0200); |
| 2228 | mask |= 0x0200; |
| 2229 | set |= 0x0200; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2230 | } |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2231 | if (bcm->current_core->rev >= 2) |
| 2232 | mask |= 0x0010; /* FIXME: This is redundant. */ |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2233 | |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2234 | old_core = bcm->current_core; |
| 2235 | err = switch_to_gpio_core(bcm); |
| 2236 | if (err) |
| 2237 | goto out; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2238 | bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2239 | (bcm43xx_read32(bcm, BCM43xx_GPIO_CONTROL) & mask) | set); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2240 | err = bcm43xx_switch_core(bcm, old_core); |
Michael Buesch | 714eece | 2006-03-18 21:28:46 +0100 | [diff] [blame] | 2241 | out: |
| 2242 | return err; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2243 | } |
| 2244 | |
| 2245 | /* Turn off all GPIO stuff. Call this on module unload, for example. */ |
| 2246 | static int bcm43xx_gpio_cleanup(struct bcm43xx_private *bcm) |
| 2247 | { |
| 2248 | struct bcm43xx_coreinfo *old_core; |
| 2249 | int err; |
| 2250 | |
| 2251 | old_core = bcm->current_core; |
| 2252 | err = switch_to_gpio_core(bcm); |
| 2253 | if (err) |
| 2254 | return err; |
| 2255 | bcm43xx_write32(bcm, BCM43xx_GPIO_CONTROL, 0x00000000); |
| 2256 | err = bcm43xx_switch_core(bcm, old_core); |
| 2257 | assert(err == 0); |
| 2258 | |
| 2259 | return 0; |
| 2260 | } |
| 2261 | |
| 2262 | /* http://bcm-specs.sipsolutions.net/EnableMac */ |
| 2263 | void bcm43xx_mac_enable(struct bcm43xx_private *bcm) |
| 2264 | { |
| 2265 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, |
| 2266 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) |
| 2267 | | BCM43xx_SBF_MAC_ENABLED); |
| 2268 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, BCM43xx_IRQ_READY); |
| 2269 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ |
| 2270 | bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ |
| 2271 | bcm43xx_power_saving_ctl_bits(bcm, -1, -1); |
| 2272 | } |
| 2273 | |
| 2274 | /* http://bcm-specs.sipsolutions.net/SuspendMAC */ |
| 2275 | void bcm43xx_mac_suspend(struct bcm43xx_private *bcm) |
| 2276 | { |
| 2277 | int i; |
| 2278 | u32 tmp; |
| 2279 | |
| 2280 | bcm43xx_power_saving_ctl_bits(bcm, -1, 1); |
| 2281 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, |
| 2282 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) |
| 2283 | & ~BCM43xx_SBF_MAC_ENABLED); |
| 2284 | bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); /* dummy read */ |
Michael Buesch | 921e485 | 2006-02-08 17:55:55 +0100 | [diff] [blame] | 2285 | for (i = 100000; i; i--) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2286 | tmp = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); |
Michael Buesch | 921e485 | 2006-02-08 17:55:55 +0100 | [diff] [blame] | 2287 | if (tmp & BCM43xx_IRQ_READY) |
| 2288 | return; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2289 | udelay(10); |
| 2290 | } |
Michael Buesch | 921e485 | 2006-02-08 17:55:55 +0100 | [diff] [blame] | 2291 | printkl(KERN_ERR PFX "MAC suspend failed\n"); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2292 | } |
| 2293 | |
| 2294 | void bcm43xx_set_iwmode(struct bcm43xx_private *bcm, |
| 2295 | int iw_mode) |
| 2296 | { |
| 2297 | unsigned long flags; |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2298 | struct net_device *net_dev = bcm->net_dev; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2299 | u32 status; |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2300 | u16 value; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2301 | |
| 2302 | spin_lock_irqsave(&bcm->ieee->lock, flags); |
| 2303 | bcm->ieee->iw_mode = iw_mode; |
| 2304 | spin_unlock_irqrestore(&bcm->ieee->lock, flags); |
| 2305 | if (iw_mode == IW_MODE_MONITOR) |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2306 | net_dev->type = ARPHRD_IEEE80211; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2307 | else |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2308 | net_dev->type = ARPHRD_ETHER; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2309 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2310 | status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| 2311 | /* Reset status to infrastructured mode */ |
| 2312 | status &= ~(BCM43xx_SBF_MODE_AP | BCM43xx_SBF_MODE_MONITOR); |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2313 | status &= ~BCM43xx_SBF_MODE_PROMISC; |
| 2314 | status |= BCM43xx_SBF_MODE_NOTADHOC; |
| 2315 | |
| 2316 | /* FIXME: Always enable promisc mode, until we get the MAC filters working correctly. */ |
| 2317 | status |= BCM43xx_SBF_MODE_PROMISC; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2318 | |
| 2319 | switch (iw_mode) { |
| 2320 | case IW_MODE_MONITOR: |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2321 | status |= BCM43xx_SBF_MODE_MONITOR; |
| 2322 | status |= BCM43xx_SBF_MODE_PROMISC; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2323 | break; |
| 2324 | case IW_MODE_ADHOC: |
| 2325 | status &= ~BCM43xx_SBF_MODE_NOTADHOC; |
| 2326 | break; |
| 2327 | case IW_MODE_MASTER: |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2328 | status |= BCM43xx_SBF_MODE_AP; |
| 2329 | break; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2330 | case IW_MODE_SECOND: |
| 2331 | case IW_MODE_REPEAT: |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2332 | TODO(); /* TODO */ |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2333 | break; |
| 2334 | case IW_MODE_INFRA: |
| 2335 | /* nothing to be done here... */ |
| 2336 | break; |
| 2337 | default: |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2338 | dprintk(KERN_ERR PFX "Unknown mode in set_iwmode: %d\n", iw_mode); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2339 | } |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2340 | if (net_dev->flags & IFF_PROMISC) |
| 2341 | status |= BCM43xx_SBF_MODE_PROMISC; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2342 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status); |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2343 | |
| 2344 | value = 0x0002; |
| 2345 | if (iw_mode != IW_MODE_ADHOC && iw_mode != IW_MODE_MASTER) { |
| 2346 | if (bcm->chip_id == 0x4306 && bcm->chip_rev == 3) |
| 2347 | value = 0x0064; |
| 2348 | else |
| 2349 | value = 0x0032; |
| 2350 | } |
| 2351 | bcm43xx_write16(bcm, 0x0612, value); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2352 | } |
| 2353 | |
| 2354 | /* This is the opposite of bcm43xx_chip_init() */ |
| 2355 | static void bcm43xx_chip_cleanup(struct bcm43xx_private *bcm) |
| 2356 | { |
| 2357 | bcm43xx_radio_turn_off(bcm); |
| 2358 | if (!modparam_noleds) |
| 2359 | bcm43xx_leds_exit(bcm); |
| 2360 | bcm43xx_gpio_cleanup(bcm); |
| 2361 | free_irq(bcm->irq, bcm); |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2362 | bcm43xx_release_firmware(bcm, 0); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2363 | } |
| 2364 | |
| 2365 | /* Initialize the chip |
| 2366 | * http://bcm-specs.sipsolutions.net/ChipInit |
| 2367 | */ |
| 2368 | static int bcm43xx_chip_init(struct bcm43xx_private *bcm) |
| 2369 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2370 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
| 2371 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2372 | int err; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2373 | int tmp; |
| 2374 | u32 value32; |
| 2375 | u16 value16; |
| 2376 | |
| 2377 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, |
| 2378 | BCM43xx_SBF_CORE_READY |
| 2379 | | BCM43xx_SBF_400); |
| 2380 | |
| 2381 | err = bcm43xx_request_firmware(bcm); |
| 2382 | if (err) |
| 2383 | goto out; |
| 2384 | bcm43xx_upload_microcode(bcm); |
| 2385 | |
| 2386 | err = bcm43xx_initialize_irq(bcm); |
| 2387 | if (err) |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2388 | goto err_release_fw; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2389 | |
| 2390 | err = bcm43xx_gpio_init(bcm); |
| 2391 | if (err) |
| 2392 | goto err_free_irq; |
| 2393 | |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2394 | err = bcm43xx_upload_initvals(bcm); |
| 2395 | if (err) |
| 2396 | goto err_gpio_cleanup; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2397 | bcm43xx_radio_turn_on(bcm); |
| 2398 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2399 | bcm43xx_write16(bcm, 0x03E6, 0x0000); |
| 2400 | err = bcm43xx_phy_init(bcm); |
| 2401 | if (err) |
| 2402 | goto err_radio_off; |
| 2403 | |
| 2404 | /* Select initial Interference Mitigation. */ |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2405 | tmp = radio->interfmode; |
| 2406 | radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2407 | bcm43xx_radio_set_interference_mitigation(bcm, tmp); |
| 2408 | |
| 2409 | bcm43xx_phy_set_antenna_diversity(bcm); |
| 2410 | bcm43xx_radio_set_txantenna(bcm, BCM43xx_RADIO_TXANTENNA_DEFAULT); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2411 | if (phy->type == BCM43xx_PHYTYPE_B) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2412 | value16 = bcm43xx_read16(bcm, 0x005E); |
| 2413 | value16 |= 0x0004; |
| 2414 | bcm43xx_write16(bcm, 0x005E, value16); |
| 2415 | } |
| 2416 | bcm43xx_write32(bcm, 0x0100, 0x01000000); |
| 2417 | if (bcm->current_core->rev < 5) |
| 2418 | bcm43xx_write32(bcm, 0x010C, 0x01000000); |
| 2419 | |
| 2420 | value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| 2421 | value32 &= ~ BCM43xx_SBF_MODE_NOTADHOC; |
| 2422 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); |
| 2423 | value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
| 2424 | value32 |= BCM43xx_SBF_MODE_NOTADHOC; |
| 2425 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2426 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2427 | value32 = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2428 | value32 |= 0x100000; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2429 | bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, value32); |
| 2430 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 2431 | if (bcm43xx_using_pio(bcm)) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2432 | bcm43xx_write32(bcm, 0x0210, 0x00000100); |
| 2433 | bcm43xx_write32(bcm, 0x0230, 0x00000100); |
| 2434 | bcm43xx_write32(bcm, 0x0250, 0x00000100); |
| 2435 | bcm43xx_write32(bcm, 0x0270, 0x00000100); |
| 2436 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0034, 0x0000); |
| 2437 | } |
| 2438 | |
| 2439 | /* Probe Response Timeout value */ |
| 2440 | /* FIXME: Default to 0, has to be set by ioctl probably... :-/ */ |
| 2441 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0074, 0x0000); |
| 2442 | |
Michael Buesch | 6ab5b8e | 2006-03-19 17:18:48 +0100 | [diff] [blame] | 2443 | /* Initially set the wireless operation mode. */ |
| 2444 | bcm43xx_set_iwmode(bcm, bcm->ieee->iw_mode); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2445 | |
| 2446 | if (bcm->current_core->rev < 3) { |
| 2447 | bcm43xx_write16(bcm, 0x060E, 0x0000); |
| 2448 | bcm43xx_write16(bcm, 0x0610, 0x8000); |
| 2449 | bcm43xx_write16(bcm, 0x0604, 0x0000); |
| 2450 | bcm43xx_write16(bcm, 0x0606, 0x0200); |
| 2451 | } else { |
| 2452 | bcm43xx_write32(bcm, 0x0188, 0x80000000); |
| 2453 | bcm43xx_write32(bcm, 0x018C, 0x02000000); |
| 2454 | } |
| 2455 | bcm43xx_write32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON, 0x00004000); |
| 2456 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA1_IRQ_MASK, 0x0001DC00); |
| 2457 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA2_IRQ_MASK, 0x0000DC00); |
| 2458 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA3_IRQ_MASK, 0x0000DC00); |
| 2459 | bcm43xx_write32(bcm, BCM43xx_MMIO_DMA4_IRQ_MASK, 0x0001DC00); |
| 2460 | |
| 2461 | value32 = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW); |
| 2462 | value32 |= 0x00100000; |
| 2463 | bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, value32); |
| 2464 | |
| 2465 | bcm43xx_write16(bcm, BCM43xx_MMIO_POWERUP_DELAY, bcm43xx_pctl_powerup_delay(bcm)); |
| 2466 | |
| 2467 | assert(err == 0); |
| 2468 | dprintk(KERN_INFO PFX "Chip initialized\n"); |
| 2469 | out: |
| 2470 | return err; |
| 2471 | |
| 2472 | err_radio_off: |
| 2473 | bcm43xx_radio_turn_off(bcm); |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2474 | err_gpio_cleanup: |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2475 | bcm43xx_gpio_cleanup(bcm); |
| 2476 | err_free_irq: |
| 2477 | free_irq(bcm->irq, bcm); |
Michael Buesch | a4a600d | 2006-02-01 22:09:52 +0100 | [diff] [blame] | 2478 | err_release_fw: |
| 2479 | bcm43xx_release_firmware(bcm, 1); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2480 | goto out; |
| 2481 | } |
| 2482 | |
| 2483 | /* Validate chip access |
| 2484 | * http://bcm-specs.sipsolutions.net/ValidateChipAccess */ |
| 2485 | static int bcm43xx_validate_chip(struct bcm43xx_private *bcm) |
| 2486 | { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2487 | u32 value; |
| 2488 | u32 shm_backup; |
| 2489 | |
| 2490 | shm_backup = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000); |
| 2491 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0xAA5555AA); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2492 | if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0xAA5555AA) |
| 2493 | goto error; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2494 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, 0x55AAAA55); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2495 | if (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, 0x0000) != 0x55AAAA55) |
| 2496 | goto error; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2497 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, 0x0000, shm_backup); |
| 2498 | |
| 2499 | value = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2500 | if ((value | 0x80000000) != 0x80000400) |
| 2501 | goto error; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2502 | |
| 2503 | value = bcm43xx_read32(bcm, BCM43xx_MMIO_GEN_IRQ_REASON); |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2504 | if (value != 0x00000000) |
| 2505 | goto error; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2506 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2507 | return 0; |
| 2508 | error: |
| 2509 | printk(KERN_ERR PFX "Failed to validate the chipaccess\n"); |
| 2510 | return -ENODEV; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2511 | } |
| 2512 | |
Michael Buesch | 8afceb1 | 2006-03-25 17:04:41 +0100 | [diff] [blame] | 2513 | static void bcm43xx_init_struct_phyinfo(struct bcm43xx_phyinfo *phy) |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2514 | { |
| 2515 | /* Initialize a "phyinfo" structure. The structure is already |
| 2516 | * zeroed out. |
| 2517 | */ |
| 2518 | phy->antenna_diversity = 0xFFFF; |
| 2519 | phy->savedpctlreg = 0xFFFF; |
| 2520 | phy->minlowsig[0] = 0xFFFF; |
| 2521 | phy->minlowsig[1] = 0xFFFF; |
| 2522 | spin_lock_init(&phy->lock); |
| 2523 | } |
| 2524 | |
Michael Buesch | 8afceb1 | 2006-03-25 17:04:41 +0100 | [diff] [blame] | 2525 | static void bcm43xx_init_struct_radioinfo(struct bcm43xx_radioinfo *radio) |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2526 | { |
| 2527 | /* Initialize a "radioinfo" structure. The structure is already |
| 2528 | * zeroed out. |
| 2529 | */ |
| 2530 | radio->interfmode = BCM43xx_RADIO_INTERFMODE_NONE; |
| 2531 | radio->channel = 0xFF; |
| 2532 | radio->initial_channel = 0xFF; |
| 2533 | radio->lofcal = 0xFFFF; |
| 2534 | radio->initval = 0xFFFF; |
| 2535 | radio->nrssi[0] = -1000; |
| 2536 | radio->nrssi[1] = -1000; |
| 2537 | } |
| 2538 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2539 | static int bcm43xx_probe_cores(struct bcm43xx_private *bcm) |
| 2540 | { |
| 2541 | int err, i; |
| 2542 | int current_core; |
| 2543 | u32 core_vendor, core_id, core_rev; |
| 2544 | u32 sb_id_hi, chip_id_32 = 0; |
| 2545 | u16 pci_device, chip_id_16; |
| 2546 | u8 core_count; |
| 2547 | |
| 2548 | memset(&bcm->core_chipcommon, 0, sizeof(struct bcm43xx_coreinfo)); |
| 2549 | memset(&bcm->core_pci, 0, sizeof(struct bcm43xx_coreinfo)); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2550 | memset(&bcm->core_80211, 0, sizeof(struct bcm43xx_coreinfo) |
| 2551 | * BCM43xx_MAX_80211_CORES); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2552 | memset(&bcm->core_80211_ext, 0, sizeof(struct bcm43xx_coreinfo_80211) |
| 2553 | * BCM43xx_MAX_80211_CORES); |
| 2554 | bcm->current_80211_core_idx = -1; |
| 2555 | bcm->nr_80211_available = 0; |
| 2556 | bcm->current_core = NULL; |
| 2557 | bcm->active_80211_core = NULL; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2558 | |
| 2559 | /* map core 0 */ |
| 2560 | err = _switch_core(bcm, 0); |
| 2561 | if (err) |
| 2562 | goto out; |
| 2563 | |
| 2564 | /* fetch sb_id_hi from core information registers */ |
| 2565 | sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); |
| 2566 | |
| 2567 | core_id = (sb_id_hi & 0xFFF0) >> 4; |
| 2568 | core_rev = (sb_id_hi & 0xF); |
| 2569 | core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; |
| 2570 | |
| 2571 | /* if present, chipcommon is always core 0; read the chipid from it */ |
| 2572 | if (core_id == BCM43xx_COREID_CHIPCOMMON) { |
| 2573 | chip_id_32 = bcm43xx_read32(bcm, 0); |
| 2574 | chip_id_16 = chip_id_32 & 0xFFFF; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2575 | bcm->core_chipcommon.available = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2576 | bcm->core_chipcommon.id = core_id; |
| 2577 | bcm->core_chipcommon.rev = core_rev; |
| 2578 | bcm->core_chipcommon.index = 0; |
| 2579 | /* While we are at it, also read the capabilities. */ |
| 2580 | bcm->chipcommon_capabilities = bcm43xx_read32(bcm, BCM43xx_CHIPCOMMON_CAPABILITIES); |
| 2581 | } else { |
| 2582 | /* without a chipCommon, use a hard coded table. */ |
| 2583 | pci_device = bcm->pci_dev->device; |
| 2584 | if (pci_device == 0x4301) |
| 2585 | chip_id_16 = 0x4301; |
| 2586 | else if ((pci_device >= 0x4305) && (pci_device <= 0x4307)) |
| 2587 | chip_id_16 = 0x4307; |
| 2588 | else if ((pci_device >= 0x4402) && (pci_device <= 0x4403)) |
| 2589 | chip_id_16 = 0x4402; |
| 2590 | else if ((pci_device >= 0x4610) && (pci_device <= 0x4615)) |
| 2591 | chip_id_16 = 0x4610; |
| 2592 | else if ((pci_device >= 0x4710) && (pci_device <= 0x4715)) |
| 2593 | chip_id_16 = 0x4710; |
| 2594 | #ifdef CONFIG_BCM947XX |
| 2595 | else if ((pci_device >= 0x4320) && (pci_device <= 0x4325)) |
| 2596 | chip_id_16 = 0x4309; |
| 2597 | #endif |
| 2598 | else { |
| 2599 | printk(KERN_ERR PFX "Could not determine Chip ID\n"); |
| 2600 | return -ENODEV; |
| 2601 | } |
| 2602 | } |
| 2603 | |
| 2604 | /* ChipCommon with Core Rev >=4 encodes number of cores, |
| 2605 | * otherwise consult hardcoded table */ |
| 2606 | if ((core_id == BCM43xx_COREID_CHIPCOMMON) && (core_rev >= 4)) { |
| 2607 | core_count = (chip_id_32 & 0x0F000000) >> 24; |
| 2608 | } else { |
| 2609 | switch (chip_id_16) { |
| 2610 | case 0x4610: |
| 2611 | case 0x4704: |
| 2612 | case 0x4710: |
| 2613 | core_count = 9; |
| 2614 | break; |
| 2615 | case 0x4310: |
| 2616 | core_count = 8; |
| 2617 | break; |
| 2618 | case 0x5365: |
| 2619 | core_count = 7; |
| 2620 | break; |
| 2621 | case 0x4306: |
| 2622 | core_count = 6; |
| 2623 | break; |
| 2624 | case 0x4301: |
| 2625 | case 0x4307: |
| 2626 | core_count = 5; |
| 2627 | break; |
| 2628 | case 0x4402: |
| 2629 | core_count = 3; |
| 2630 | break; |
| 2631 | default: |
| 2632 | /* SOL if we get here */ |
| 2633 | assert(0); |
| 2634 | core_count = 1; |
| 2635 | } |
| 2636 | } |
| 2637 | |
| 2638 | bcm->chip_id = chip_id_16; |
Michael Buesch | adc40e9 | 2006-03-25 20:36:57 +0100 | [diff] [blame] | 2639 | bcm->chip_rev = (chip_id_32 & 0x000F0000) >> 16; |
| 2640 | bcm->chip_package = (chip_id_32 & 0x00F00000) >> 20; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2641 | |
| 2642 | dprintk(KERN_INFO PFX "Chip ID 0x%x, rev 0x%x\n", |
| 2643 | bcm->chip_id, bcm->chip_rev); |
| 2644 | dprintk(KERN_INFO PFX "Number of cores: %d\n", core_count); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2645 | if (bcm->core_chipcommon.available) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2646 | dprintk(KERN_INFO PFX "Core 0: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n", |
| 2647 | core_id, core_rev, core_vendor, |
| 2648 | bcm43xx_core_enabled(bcm) ? "enabled" : "disabled"); |
| 2649 | } |
| 2650 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2651 | if (bcm->core_chipcommon.available) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2652 | current_core = 1; |
| 2653 | else |
| 2654 | current_core = 0; |
| 2655 | for ( ; current_core < core_count; current_core++) { |
| 2656 | struct bcm43xx_coreinfo *core; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2657 | struct bcm43xx_coreinfo_80211 *ext_80211; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2658 | |
| 2659 | err = _switch_core(bcm, current_core); |
| 2660 | if (err) |
| 2661 | goto out; |
| 2662 | /* Gather information */ |
| 2663 | /* fetch sb_id_hi from core information registers */ |
| 2664 | sb_id_hi = bcm43xx_read32(bcm, BCM43xx_CIR_SB_ID_HI); |
| 2665 | |
| 2666 | /* extract core_id, core_rev, core_vendor */ |
| 2667 | core_id = (sb_id_hi & 0xFFF0) >> 4; |
| 2668 | core_rev = (sb_id_hi & 0xF); |
| 2669 | core_vendor = (sb_id_hi & 0xFFFF0000) >> 16; |
| 2670 | |
| 2671 | dprintk(KERN_INFO PFX "Core %d: ID 0x%x, rev 0x%x, vendor 0x%x, %s\n", |
| 2672 | current_core, core_id, core_rev, core_vendor, |
| 2673 | bcm43xx_core_enabled(bcm) ? "enabled" : "disabled" ); |
| 2674 | |
| 2675 | core = NULL; |
| 2676 | switch (core_id) { |
| 2677 | case BCM43xx_COREID_PCI: |
| 2678 | core = &bcm->core_pci; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2679 | if (core->available) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2680 | printk(KERN_WARNING PFX "Multiple PCI cores found.\n"); |
| 2681 | continue; |
| 2682 | } |
| 2683 | break; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2684 | case BCM43xx_COREID_80211: |
| 2685 | for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { |
| 2686 | core = &(bcm->core_80211[i]); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2687 | ext_80211 = &(bcm->core_80211_ext[i]); |
| 2688 | if (!core->available) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2689 | break; |
| 2690 | core = NULL; |
| 2691 | } |
| 2692 | if (!core) { |
| 2693 | printk(KERN_WARNING PFX "More than %d cores of type 802.11 found.\n", |
| 2694 | BCM43xx_MAX_80211_CORES); |
| 2695 | continue; |
| 2696 | } |
| 2697 | if (i != 0) { |
| 2698 | /* More than one 80211 core is only supported |
| 2699 | * by special chips. |
| 2700 | * There are chips with two 80211 cores, but with |
| 2701 | * dangling pins on the second core. Be careful |
| 2702 | * and ignore these cores here. |
| 2703 | */ |
| 2704 | if (bcm->pci_dev->device != 0x4324) { |
| 2705 | dprintk(KERN_INFO PFX "Ignoring additional 802.11 core.\n"); |
| 2706 | continue; |
| 2707 | } |
| 2708 | } |
| 2709 | switch (core_rev) { |
| 2710 | case 2: |
| 2711 | case 4: |
| 2712 | case 5: |
| 2713 | case 6: |
| 2714 | case 7: |
| 2715 | case 9: |
| 2716 | break; |
| 2717 | default: |
| 2718 | printk(KERN_ERR PFX "Error: Unsupported 80211 core revision %u\n", |
| 2719 | core_rev); |
| 2720 | err = -ENODEV; |
| 2721 | goto out; |
| 2722 | } |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2723 | bcm->nr_80211_available++; |
| 2724 | bcm43xx_init_struct_phyinfo(&ext_80211->phy); |
| 2725 | bcm43xx_init_struct_radioinfo(&ext_80211->radio); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2726 | break; |
| 2727 | case BCM43xx_COREID_CHIPCOMMON: |
| 2728 | printk(KERN_WARNING PFX "Multiple CHIPCOMMON cores found.\n"); |
| 2729 | break; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2730 | } |
| 2731 | if (core) { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2732 | core->available = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2733 | core->id = core_id; |
| 2734 | core->rev = core_rev; |
| 2735 | core->index = current_core; |
| 2736 | } |
| 2737 | } |
| 2738 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2739 | if (!bcm->core_80211[0].available) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2740 | printk(KERN_ERR PFX "Error: No 80211 core found!\n"); |
| 2741 | err = -ENODEV; |
| 2742 | goto out; |
| 2743 | } |
| 2744 | |
| 2745 | err = bcm43xx_switch_core(bcm, &bcm->core_80211[0]); |
| 2746 | |
| 2747 | assert(err == 0); |
| 2748 | out: |
| 2749 | return err; |
| 2750 | } |
| 2751 | |
| 2752 | static void bcm43xx_gen_bssid(struct bcm43xx_private *bcm) |
| 2753 | { |
| 2754 | const u8 *mac = (const u8*)(bcm->net_dev->dev_addr); |
| 2755 | u8 *bssid = bcm->ieee->bssid; |
| 2756 | |
| 2757 | switch (bcm->ieee->iw_mode) { |
| 2758 | case IW_MODE_ADHOC: |
| 2759 | random_ether_addr(bssid); |
| 2760 | break; |
| 2761 | case IW_MODE_MASTER: |
| 2762 | case IW_MODE_INFRA: |
| 2763 | case IW_MODE_REPEAT: |
| 2764 | case IW_MODE_SECOND: |
| 2765 | case IW_MODE_MONITOR: |
| 2766 | memcpy(bssid, mac, ETH_ALEN); |
| 2767 | break; |
| 2768 | default: |
| 2769 | assert(0); |
| 2770 | } |
| 2771 | } |
| 2772 | |
| 2773 | static void bcm43xx_rate_memory_write(struct bcm43xx_private *bcm, |
| 2774 | u16 rate, |
| 2775 | int is_ofdm) |
| 2776 | { |
| 2777 | u16 offset; |
| 2778 | |
| 2779 | if (is_ofdm) { |
| 2780 | offset = 0x480; |
| 2781 | offset += (bcm43xx_plcp_get_ratecode_ofdm(rate) & 0x000F) * 2; |
| 2782 | } |
| 2783 | else { |
| 2784 | offset = 0x4C0; |
| 2785 | offset += (bcm43xx_plcp_get_ratecode_cck(rate) & 0x000F) * 2; |
| 2786 | } |
| 2787 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, offset + 0x20, |
| 2788 | bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, offset)); |
| 2789 | } |
| 2790 | |
| 2791 | static void bcm43xx_rate_memory_init(struct bcm43xx_private *bcm) |
| 2792 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2793 | switch (bcm43xx_current_phy(bcm)->type) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2794 | case BCM43xx_PHYTYPE_A: |
| 2795 | case BCM43xx_PHYTYPE_G: |
| 2796 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_6MB, 1); |
| 2797 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_12MB, 1); |
| 2798 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_18MB, 1); |
| 2799 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_24MB, 1); |
| 2800 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_36MB, 1); |
| 2801 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_48MB, 1); |
| 2802 | bcm43xx_rate_memory_write(bcm, IEEE80211_OFDM_RATE_54MB, 1); |
| 2803 | case BCM43xx_PHYTYPE_B: |
| 2804 | bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_1MB, 0); |
| 2805 | bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_2MB, 0); |
| 2806 | bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_5MB, 0); |
| 2807 | bcm43xx_rate_memory_write(bcm, IEEE80211_CCK_RATE_11MB, 0); |
| 2808 | break; |
| 2809 | default: |
| 2810 | assert(0); |
| 2811 | } |
| 2812 | } |
| 2813 | |
| 2814 | static void bcm43xx_wireless_core_cleanup(struct bcm43xx_private *bcm) |
| 2815 | { |
| 2816 | bcm43xx_chip_cleanup(bcm); |
| 2817 | bcm43xx_pio_free(bcm); |
| 2818 | bcm43xx_dma_free(bcm); |
| 2819 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2820 | bcm->current_core->initialized = 0; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2821 | } |
| 2822 | |
| 2823 | /* http://bcm-specs.sipsolutions.net/80211Init */ |
| 2824 | static int bcm43xx_wireless_core_init(struct bcm43xx_private *bcm) |
| 2825 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2826 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| 2827 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2828 | u32 ucodeflags; |
| 2829 | int err; |
| 2830 | u32 sbimconfiglow; |
| 2831 | u8 limit; |
| 2832 | |
| 2833 | if (bcm->chip_rev < 5) { |
| 2834 | sbimconfiglow = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); |
| 2835 | sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; |
| 2836 | sbimconfiglow &= ~ BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; |
| 2837 | if (bcm->bustype == BCM43xx_BUSTYPE_PCI) |
| 2838 | sbimconfiglow |= 0x32; |
| 2839 | else if (bcm->bustype == BCM43xx_BUSTYPE_SB) |
| 2840 | sbimconfiglow |= 0x53; |
| 2841 | else |
| 2842 | assert(0); |
| 2843 | bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, sbimconfiglow); |
| 2844 | } |
| 2845 | |
| 2846 | bcm43xx_phy_calibrate(bcm); |
| 2847 | err = bcm43xx_chip_init(bcm); |
| 2848 | if (err) |
| 2849 | goto out; |
| 2850 | |
| 2851 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0016, bcm->current_core->rev); |
| 2852 | ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, BCM43xx_UCODEFLAGS_OFFSET); |
| 2853 | |
| 2854 | if (0 /*FIXME: which condition has to be used here? */) |
| 2855 | ucodeflags |= 0x00000010; |
| 2856 | |
| 2857 | /* HW decryption needs to be set now */ |
| 2858 | ucodeflags |= 0x40000000; |
| 2859 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2860 | if (phy->type == BCM43xx_PHYTYPE_G) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2861 | ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2862 | if (phy->rev == 1) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2863 | ucodeflags |= BCM43xx_UCODEFLAG_UNKGPHY; |
| 2864 | if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) |
| 2865 | ucodeflags |= BCM43xx_UCODEFLAG_UNKPACTRL; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2866 | } else if (phy->type == BCM43xx_PHYTYPE_B) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2867 | ucodeflags |= BCM43xx_UCODEFLAG_UNKBGPHY; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2868 | if (phy->rev >= 2 && radio->version == 0x2050) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2869 | ucodeflags &= ~BCM43xx_UCODEFLAG_UNKGPHY; |
| 2870 | } |
| 2871 | |
| 2872 | if (ucodeflags != bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, |
| 2873 | BCM43xx_UCODEFLAGS_OFFSET)) { |
| 2874 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, |
| 2875 | BCM43xx_UCODEFLAGS_OFFSET, ucodeflags); |
| 2876 | } |
| 2877 | |
| 2878 | /* Short/Long Retry Limit. |
| 2879 | * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing |
| 2880 | * the chip-internal counter. |
| 2881 | */ |
| 2882 | limit = limit_value(modparam_short_retry, 0, 0xF); |
| 2883 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0006, limit); |
| 2884 | limit = limit_value(modparam_long_retry, 0, 0xF); |
| 2885 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0007, limit); |
| 2886 | |
| 2887 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0044, 3); |
| 2888 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0046, 2); |
| 2889 | |
| 2890 | bcm43xx_rate_memory_init(bcm); |
| 2891 | |
| 2892 | /* Minimum Contention Window */ |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2893 | if (phy->type == BCM43xx_PHYTYPE_B) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2894 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000001f); |
| 2895 | else |
| 2896 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0003, 0x0000000f); |
| 2897 | /* Maximum Contention Window */ |
| 2898 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_WIRELESS, 0x0004, 0x000003ff); |
| 2899 | |
| 2900 | bcm43xx_gen_bssid(bcm); |
| 2901 | bcm43xx_write_mac_bssid_templates(bcm); |
| 2902 | |
| 2903 | if (bcm->current_core->rev >= 5) |
| 2904 | bcm43xx_write16(bcm, 0x043C, 0x000C); |
| 2905 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 2906 | if (bcm43xx_using_pio(bcm)) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2907 | err = bcm43xx_pio_init(bcm); |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 2908 | else |
| 2909 | err = bcm43xx_dma_init(bcm); |
| 2910 | if (err) |
| 2911 | goto err_chip_cleanup; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2912 | bcm43xx_write16(bcm, 0x0612, 0x0050); |
| 2913 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0416, 0x0050); |
| 2914 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0414, 0x01F4); |
| 2915 | |
| 2916 | bcm43xx_mac_enable(bcm); |
| 2917 | bcm43xx_interrupt_enable(bcm, bcm->irq_savedstate); |
| 2918 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 2919 | bcm->current_core->initialized = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2920 | out: |
| 2921 | return err; |
| 2922 | |
| 2923 | err_chip_cleanup: |
| 2924 | bcm43xx_chip_cleanup(bcm); |
| 2925 | goto out; |
| 2926 | } |
| 2927 | |
| 2928 | static int bcm43xx_chipset_attach(struct bcm43xx_private *bcm) |
| 2929 | { |
| 2930 | int err; |
| 2931 | u16 pci_status; |
| 2932 | |
| 2933 | err = bcm43xx_pctl_set_crystal(bcm, 1); |
| 2934 | if (err) |
| 2935 | goto out; |
| 2936 | bcm43xx_pci_read_config16(bcm, PCI_STATUS, &pci_status); |
| 2937 | bcm43xx_pci_write_config16(bcm, PCI_STATUS, pci_status & ~PCI_STATUS_SIG_TARGET_ABORT); |
| 2938 | |
| 2939 | out: |
| 2940 | return err; |
| 2941 | } |
| 2942 | |
| 2943 | static void bcm43xx_chipset_detach(struct bcm43xx_private *bcm) |
| 2944 | { |
| 2945 | bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_SLOW); |
| 2946 | bcm43xx_pctl_set_crystal(bcm, 0); |
| 2947 | } |
| 2948 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 2949 | static void bcm43xx_pcicore_broadcast_value(struct bcm43xx_private *bcm, |
| 2950 | u32 address, |
| 2951 | u32 data) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 2952 | { |
| 2953 | bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_ADDR, address); |
| 2954 | bcm43xx_write32(bcm, BCM43xx_PCICORE_BCAST_DATA, data); |
| 2955 | } |
| 2956 | |
| 2957 | static int bcm43xx_pcicore_commit_settings(struct bcm43xx_private *bcm) |
| 2958 | { |
| 2959 | int err; |
| 2960 | struct bcm43xx_coreinfo *old_core; |
| 2961 | |
| 2962 | old_core = bcm->current_core; |
| 2963 | err = bcm43xx_switch_core(bcm, &bcm->core_pci); |
| 2964 | if (err) |
| 2965 | goto out; |
| 2966 | |
| 2967 | bcm43xx_pcicore_broadcast_value(bcm, 0xfd8, 0x00000000); |
| 2968 | |
| 2969 | bcm43xx_switch_core(bcm, old_core); |
| 2970 | assert(err == 0); |
| 2971 | out: |
| 2972 | return err; |
| 2973 | } |
| 2974 | |
| 2975 | /* Make an I/O Core usable. "core_mask" is the bitmask of the cores to enable. |
| 2976 | * To enable core 0, pass a core_mask of 1<<0 |
| 2977 | */ |
| 2978 | static int bcm43xx_setup_backplane_pci_connection(struct bcm43xx_private *bcm, |
| 2979 | u32 core_mask) |
| 2980 | { |
| 2981 | u32 backplane_flag_nr; |
| 2982 | u32 value; |
| 2983 | struct bcm43xx_coreinfo *old_core; |
| 2984 | int err = 0; |
| 2985 | |
| 2986 | value = bcm43xx_read32(bcm, BCM43xx_CIR_SBTPSFLAG); |
| 2987 | backplane_flag_nr = value & BCM43xx_BACKPLANE_FLAG_NR_MASK; |
| 2988 | |
| 2989 | old_core = bcm->current_core; |
| 2990 | err = bcm43xx_switch_core(bcm, &bcm->core_pci); |
| 2991 | if (err) |
| 2992 | goto out; |
| 2993 | |
| 2994 | if (bcm->core_pci.rev < 6) { |
| 2995 | value = bcm43xx_read32(bcm, BCM43xx_CIR_SBINTVEC); |
| 2996 | value |= (1 << backplane_flag_nr); |
| 2997 | bcm43xx_write32(bcm, BCM43xx_CIR_SBINTVEC, value); |
| 2998 | } else { |
| 2999 | err = bcm43xx_pci_read_config32(bcm, BCM43xx_PCICFG_ICR, &value); |
| 3000 | if (err) { |
| 3001 | printk(KERN_ERR PFX "Error: ICR setup failure!\n"); |
| 3002 | goto out_switch_back; |
| 3003 | } |
| 3004 | value |= core_mask << 8; |
| 3005 | err = bcm43xx_pci_write_config32(bcm, BCM43xx_PCICFG_ICR, value); |
| 3006 | if (err) { |
| 3007 | printk(KERN_ERR PFX "Error: ICR setup failure!\n"); |
| 3008 | goto out_switch_back; |
| 3009 | } |
| 3010 | } |
| 3011 | |
| 3012 | value = bcm43xx_read32(bcm, BCM43xx_PCICORE_SBTOPCI2); |
| 3013 | value |= BCM43xx_SBTOPCI2_PREFETCH | BCM43xx_SBTOPCI2_BURST; |
| 3014 | bcm43xx_write32(bcm, BCM43xx_PCICORE_SBTOPCI2, value); |
| 3015 | |
| 3016 | if (bcm->core_pci.rev < 5) { |
| 3017 | value = bcm43xx_read32(bcm, BCM43xx_CIR_SBIMCONFIGLOW); |
| 3018 | value |= (2 << BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_SHIFT) |
| 3019 | & BCM43xx_SBIMCONFIGLOW_SERVICE_TOUT_MASK; |
| 3020 | value |= (3 << BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_SHIFT) |
| 3021 | & BCM43xx_SBIMCONFIGLOW_REQUEST_TOUT_MASK; |
| 3022 | bcm43xx_write32(bcm, BCM43xx_CIR_SBIMCONFIGLOW, value); |
| 3023 | err = bcm43xx_pcicore_commit_settings(bcm); |
| 3024 | assert(err == 0); |
| 3025 | } |
| 3026 | |
| 3027 | out_switch_back: |
| 3028 | err = bcm43xx_switch_core(bcm, old_core); |
| 3029 | out: |
| 3030 | return err; |
| 3031 | } |
| 3032 | |
| 3033 | static void bcm43xx_softmac_init(struct bcm43xx_private *bcm) |
| 3034 | { |
| 3035 | ieee80211softmac_start(bcm->net_dev); |
| 3036 | } |
| 3037 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3038 | static void bcm43xx_periodic_every120sec(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3039 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3040 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3041 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3042 | if (phy->type != BCM43xx_PHYTYPE_G || phy->rev < 2) |
| 3043 | return; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3044 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3045 | bcm43xx_mac_suspend(bcm); |
| 3046 | bcm43xx_phy_lo_g_measure(bcm); |
| 3047 | bcm43xx_mac_enable(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3048 | } |
| 3049 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3050 | static void bcm43xx_periodic_every60sec(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3051 | { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3052 | bcm43xx_phy_lo_mark_all_unused(bcm); |
| 3053 | if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) { |
| 3054 | bcm43xx_mac_suspend(bcm); |
| 3055 | bcm43xx_calc_nrssi_slope(bcm); |
| 3056 | bcm43xx_mac_enable(bcm); |
| 3057 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3058 | } |
| 3059 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3060 | static void bcm43xx_periodic_every30sec(struct bcm43xx_private *bcm) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3061 | { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3062 | /* Update device statistics. */ |
| 3063 | bcm43xx_calculate_link_quality(bcm); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3064 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3065 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3066 | static void bcm43xx_periodic_every15sec(struct bcm43xx_private *bcm) |
| 3067 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3068 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
| 3069 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3070 | |
| 3071 | if (phy->type == BCM43xx_PHYTYPE_G) { |
| 3072 | //TODO: update_aci_moving_average |
| 3073 | if (radio->aci_enable && radio->aci_wlan_automatic) { |
| 3074 | bcm43xx_mac_suspend(bcm); |
| 3075 | if (!radio->aci_enable && 1 /*TODO: not scanning? */) { |
| 3076 | if (0 /*TODO: bunch of conditions*/) { |
| 3077 | bcm43xx_radio_set_interference_mitigation(bcm, |
| 3078 | BCM43xx_RADIO_INTERFMODE_MANUALWLAN); |
| 3079 | } |
| 3080 | } else if (1/*TODO*/) { |
| 3081 | /* |
| 3082 | if ((aci_average > 1000) && !(bcm43xx_radio_aci_scan(bcm))) { |
| 3083 | bcm43xx_radio_set_interference_mitigation(bcm, |
| 3084 | BCM43xx_RADIO_INTERFMODE_NONE); |
| 3085 | } |
| 3086 | */ |
| 3087 | } |
| 3088 | bcm43xx_mac_enable(bcm); |
| 3089 | } else if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN && |
| 3090 | phy->rev == 1) { |
| 3091 | //TODO: implement rev1 workaround |
| 3092 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3093 | } |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3094 | bcm43xx_phy_xmitpower(bcm); //FIXME: unless scanning? |
| 3095 | //TODO for APHY (temperature?) |
| 3096 | } |
| 3097 | |
| 3098 | static void bcm43xx_periodic_task_handler(unsigned long d) |
| 3099 | { |
| 3100 | struct bcm43xx_private *bcm = (struct bcm43xx_private *)d; |
| 3101 | unsigned long flags; |
| 3102 | unsigned int state; |
| 3103 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3104 | bcm43xx_lock_mmio(bcm, flags); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3105 | |
| 3106 | assert(bcm->initialized); |
| 3107 | state = bcm->periodic_state; |
| 3108 | if (state % 8 == 0) |
| 3109 | bcm43xx_periodic_every120sec(bcm); |
| 3110 | if (state % 4 == 0) |
| 3111 | bcm43xx_periodic_every60sec(bcm); |
| 3112 | if (state % 2 == 0) |
| 3113 | bcm43xx_periodic_every30sec(bcm); |
| 3114 | bcm43xx_periodic_every15sec(bcm); |
| 3115 | bcm->periodic_state = state + 1; |
| 3116 | |
| 3117 | mod_timer(&bcm->periodic_tasks, jiffies + (HZ * 15)); |
| 3118 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3119 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3120 | } |
| 3121 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3122 | static void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm) |
| 3123 | { |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3124 | del_timer_sync(&bcm->periodic_tasks); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3125 | } |
| 3126 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3127 | static void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm) |
| 3128 | { |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3129 | struct timer_list *timer = &(bcm->periodic_tasks); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3130 | |
Michael Buesch | 1d1a73c | 2006-02-21 18:19:59 +0100 | [diff] [blame] | 3131 | assert(bcm->initialized); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3132 | setup_timer(timer, |
| 3133 | bcm43xx_periodic_task_handler, |
| 3134 | (unsigned long)bcm); |
| 3135 | timer->expires = jiffies; |
| 3136 | add_timer(timer); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3137 | } |
| 3138 | |
| 3139 | static void bcm43xx_security_init(struct bcm43xx_private *bcm) |
| 3140 | { |
| 3141 | bcm->security_offset = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, |
| 3142 | 0x0056) * 2; |
| 3143 | bcm43xx_clear_keys(bcm); |
| 3144 | } |
| 3145 | |
| 3146 | /* This is the opposite of bcm43xx_init_board() */ |
| 3147 | static void bcm43xx_free_board(struct bcm43xx_private *bcm) |
| 3148 | { |
| 3149 | int i, err; |
| 3150 | unsigned long flags; |
| 3151 | |
Michael Buesch | 367f899 | 2006-02-28 15:32:19 +0100 | [diff] [blame] | 3152 | bcm43xx_sysfs_unregister(bcm); |
| 3153 | |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3154 | bcm43xx_periodic_tasks_delete(bcm); |
| 3155 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3156 | bcm43xx_lock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3157 | bcm->initialized = 0; |
| 3158 | bcm->shutting_down = 1; |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3159 | bcm43xx_unlock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3160 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3161 | for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3162 | if (!bcm->core_80211[i].available) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3163 | continue; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3164 | if (!bcm->core_80211[i].initialized) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3165 | continue; |
| 3166 | |
| 3167 | err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); |
| 3168 | assert(err == 0); |
| 3169 | bcm43xx_wireless_core_cleanup(bcm); |
| 3170 | } |
| 3171 | |
| 3172 | bcm43xx_pctl_set_crystal(bcm, 0); |
| 3173 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3174 | bcm43xx_lock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3175 | bcm->shutting_down = 0; |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3176 | bcm43xx_unlock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3177 | } |
| 3178 | |
| 3179 | static int bcm43xx_init_board(struct bcm43xx_private *bcm) |
| 3180 | { |
| 3181 | int i, err; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3182 | int connect_phy; |
| 3183 | unsigned long flags; |
| 3184 | |
| 3185 | might_sleep(); |
| 3186 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3187 | bcm43xx_lock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3188 | bcm->initialized = 0; |
| 3189 | bcm->shutting_down = 0; |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3190 | bcm43xx_unlock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3191 | |
| 3192 | err = bcm43xx_pctl_set_crystal(bcm, 1); |
| 3193 | if (err) |
| 3194 | goto out; |
| 3195 | err = bcm43xx_pctl_init(bcm); |
| 3196 | if (err) |
| 3197 | goto err_crystal_off; |
| 3198 | err = bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_FAST); |
| 3199 | if (err) |
| 3200 | goto err_crystal_off; |
| 3201 | |
| 3202 | tasklet_enable(&bcm->isr_tasklet); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3203 | for (i = 0; i < bcm->nr_80211_available; i++) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3204 | err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); |
| 3205 | assert(err != -ENODEV); |
| 3206 | if (err) |
| 3207 | goto err_80211_unwind; |
| 3208 | |
| 3209 | /* Enable the selected wireless core. |
| 3210 | * Connect PHY only on the first core. |
| 3211 | */ |
| 3212 | if (!bcm43xx_core_enabled(bcm)) { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3213 | if (bcm->nr_80211_available == 1) { |
| 3214 | connect_phy = bcm43xx_current_phy(bcm)->connected; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3215 | } else { |
| 3216 | if (i == 0) |
| 3217 | connect_phy = 1; |
| 3218 | else |
| 3219 | connect_phy = 0; |
| 3220 | } |
| 3221 | bcm43xx_wireless_core_reset(bcm, connect_phy); |
| 3222 | } |
| 3223 | |
| 3224 | if (i != 0) |
| 3225 | bcm43xx_wireless_core_mark_inactive(bcm, &bcm->core_80211[0]); |
| 3226 | |
| 3227 | err = bcm43xx_wireless_core_init(bcm); |
| 3228 | if (err) |
| 3229 | goto err_80211_unwind; |
| 3230 | |
| 3231 | if (i != 0) { |
| 3232 | bcm43xx_mac_suspend(bcm); |
| 3233 | bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); |
| 3234 | bcm43xx_radio_turn_off(bcm); |
| 3235 | } |
| 3236 | } |
| 3237 | bcm->active_80211_core = &bcm->core_80211[0]; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3238 | if (bcm->nr_80211_available >= 2) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3239 | bcm43xx_switch_core(bcm, &bcm->core_80211[0]); |
| 3240 | bcm43xx_mac_enable(bcm); |
| 3241 | } |
| 3242 | bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC); |
| 3243 | bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr)); |
| 3244 | dprintk(KERN_INFO PFX "80211 cores initialized\n"); |
| 3245 | bcm43xx_security_init(bcm); |
| 3246 | bcm43xx_softmac_init(bcm); |
| 3247 | |
| 3248 | bcm43xx_pctl_set_clock(bcm, BCM43xx_PCTL_CLK_DYNAMIC); |
| 3249 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3250 | if (bcm43xx_current_radio(bcm)->initial_channel != 0xFF) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3251 | bcm43xx_mac_suspend(bcm); |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3252 | bcm43xx_radio_selectchannel(bcm, bcm43xx_current_radio(bcm)->initial_channel, 0); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3253 | bcm43xx_mac_enable(bcm); |
| 3254 | } |
Michael Buesch | cad2b31 | 2006-02-21 18:08:55 +0100 | [diff] [blame] | 3255 | |
| 3256 | /* Initialization of the board is done. Flag it as such. */ |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3257 | bcm43xx_lock(bcm, flags); |
Michael Buesch | cad2b31 | 2006-02-21 18:08:55 +0100 | [diff] [blame] | 3258 | bcm->initialized = 1; |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3259 | bcm43xx_unlock(bcm, flags); |
Michael Buesch | cad2b31 | 2006-02-21 18:08:55 +0100 | [diff] [blame] | 3260 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3261 | bcm43xx_periodic_tasks_setup(bcm); |
Michael Buesch | 367f899 | 2006-02-28 15:32:19 +0100 | [diff] [blame] | 3262 | bcm43xx_sysfs_register(bcm); |
| 3263 | //FIXME: check for bcm43xx_sysfs_register failure. This function is a bit messy regarding unwinding, though... |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3264 | |
| 3265 | assert(err == 0); |
| 3266 | out: |
| 3267 | return err; |
| 3268 | |
| 3269 | err_80211_unwind: |
| 3270 | tasklet_disable(&bcm->isr_tasklet); |
| 3271 | /* unwind all 80211 initialization */ |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3272 | for (i = 0; i < bcm->nr_80211_available; i++) { |
| 3273 | if (!bcm->core_80211[i].initialized) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3274 | continue; |
| 3275 | bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); |
| 3276 | bcm43xx_wireless_core_cleanup(bcm); |
| 3277 | } |
| 3278 | err_crystal_off: |
| 3279 | bcm43xx_pctl_set_crystal(bcm, 0); |
| 3280 | goto out; |
| 3281 | } |
| 3282 | |
| 3283 | static void bcm43xx_detach_board(struct bcm43xx_private *bcm) |
| 3284 | { |
| 3285 | struct pci_dev *pci_dev = bcm->pci_dev; |
| 3286 | int i; |
| 3287 | |
| 3288 | bcm43xx_chipset_detach(bcm); |
| 3289 | /* Do _not_ access the chip, after it is detached. */ |
| 3290 | iounmap(bcm->mmio_addr); |
| 3291 | |
| 3292 | pci_release_regions(pci_dev); |
| 3293 | pci_disable_device(pci_dev); |
| 3294 | |
| 3295 | /* Free allocated structures/fields */ |
| 3296 | for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3297 | kfree(bcm->core_80211_ext[i].phy._lo_pairs); |
| 3298 | if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) |
| 3299 | kfree(bcm->core_80211_ext[i].phy.tssi2dbm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3300 | } |
| 3301 | } |
| 3302 | |
| 3303 | static int bcm43xx_read_phyinfo(struct bcm43xx_private *bcm) |
| 3304 | { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3305 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3306 | u16 value; |
| 3307 | u8 phy_version; |
| 3308 | u8 phy_type; |
| 3309 | u8 phy_rev; |
| 3310 | int phy_rev_ok = 1; |
| 3311 | void *p; |
| 3312 | |
| 3313 | value = bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); |
| 3314 | |
| 3315 | phy_version = (value & 0xF000) >> 12; |
| 3316 | phy_type = (value & 0x0F00) >> 8; |
| 3317 | phy_rev = (value & 0x000F); |
| 3318 | |
| 3319 | dprintk(KERN_INFO PFX "Detected PHY: Version: %x, Type %x, Revision %x\n", |
| 3320 | phy_version, phy_type, phy_rev); |
| 3321 | |
| 3322 | switch (phy_type) { |
| 3323 | case BCM43xx_PHYTYPE_A: |
| 3324 | if (phy_rev >= 4) |
| 3325 | phy_rev_ok = 0; |
| 3326 | /*FIXME: We need to switch the ieee->modulation, etc.. flags, |
| 3327 | * if we switch 80211 cores after init is done. |
| 3328 | * As we do not implement on the fly switching between |
| 3329 | * wireless cores, I will leave this as a future task. |
| 3330 | */ |
| 3331 | bcm->ieee->modulation = IEEE80211_OFDM_MODULATION; |
| 3332 | bcm->ieee->mode = IEEE_A; |
| 3333 | bcm->ieee->freq_band = IEEE80211_52GHZ_BAND | |
| 3334 | IEEE80211_24GHZ_BAND; |
| 3335 | break; |
| 3336 | case BCM43xx_PHYTYPE_B: |
| 3337 | if (phy_rev != 2 && phy_rev != 4 && phy_rev != 6 && phy_rev != 7) |
| 3338 | phy_rev_ok = 0; |
| 3339 | bcm->ieee->modulation = IEEE80211_CCK_MODULATION; |
| 3340 | bcm->ieee->mode = IEEE_B; |
| 3341 | bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; |
| 3342 | break; |
| 3343 | case BCM43xx_PHYTYPE_G: |
| 3344 | if (phy_rev > 7) |
| 3345 | phy_rev_ok = 0; |
| 3346 | bcm->ieee->modulation = IEEE80211_OFDM_MODULATION | |
| 3347 | IEEE80211_CCK_MODULATION; |
| 3348 | bcm->ieee->mode = IEEE_G; |
| 3349 | bcm->ieee->freq_band = IEEE80211_24GHZ_BAND; |
| 3350 | break; |
| 3351 | default: |
| 3352 | printk(KERN_ERR PFX "Error: Unknown PHY Type %x\n", |
| 3353 | phy_type); |
| 3354 | return -ENODEV; |
| 3355 | }; |
| 3356 | if (!phy_rev_ok) { |
| 3357 | printk(KERN_WARNING PFX "Invalid PHY Revision %x\n", |
| 3358 | phy_rev); |
| 3359 | } |
| 3360 | |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 3361 | phy->version = phy_version; |
| 3362 | phy->type = phy_type; |
| 3363 | phy->rev = phy_rev; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3364 | if ((phy_type == BCM43xx_PHYTYPE_B) || (phy_type == BCM43xx_PHYTYPE_G)) { |
| 3365 | p = kzalloc(sizeof(struct bcm43xx_lopair) * BCM43xx_LO_COUNT, |
| 3366 | GFP_KERNEL); |
| 3367 | if (!p) |
| 3368 | return -ENOMEM; |
Michael Buesch | 489423c | 2006-02-13 00:11:07 +0100 | [diff] [blame] | 3369 | phy->_lo_pairs = p; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3370 | } |
| 3371 | |
| 3372 | return 0; |
| 3373 | } |
| 3374 | |
| 3375 | static int bcm43xx_attach_board(struct bcm43xx_private *bcm) |
| 3376 | { |
| 3377 | struct pci_dev *pci_dev = bcm->pci_dev; |
| 3378 | struct net_device *net_dev = bcm->net_dev; |
| 3379 | int err; |
| 3380 | int i; |
Michael Buesch | 4a1821e | 2006-03-18 20:19:12 +0100 | [diff] [blame] | 3381 | unsigned long mmio_start, mmio_flags, mmio_len; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3382 | u32 coremask; |
| 3383 | |
| 3384 | err = pci_enable_device(pci_dev); |
| 3385 | if (err) { |
| 3386 | printk(KERN_ERR PFX "unable to wake up pci device (%i)\n", err); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3387 | goto out; |
| 3388 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3389 | mmio_start = pci_resource_start(pci_dev, 0); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3390 | mmio_flags = pci_resource_flags(pci_dev, 0); |
| 3391 | mmio_len = pci_resource_len(pci_dev, 0); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3392 | if (!(mmio_flags & IORESOURCE_MEM)) { |
| 3393 | printk(KERN_ERR PFX |
| 3394 | "%s, region #0 not an MMIO resource, aborting\n", |
| 3395 | pci_name(pci_dev)); |
| 3396 | err = -ENODEV; |
| 3397 | goto err_pci_disable; |
| 3398 | } |
Michael Buesch | 65f3f19 | 2006-01-31 20:11:38 +0100 | [diff] [blame] | 3399 | err = pci_request_regions(pci_dev, KBUILD_MODNAME); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3400 | if (err) { |
| 3401 | printk(KERN_ERR PFX |
| 3402 | "could not access PCI resources (%i)\n", err); |
| 3403 | goto err_pci_disable; |
| 3404 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3405 | /* enable PCI bus-mastering */ |
| 3406 | pci_set_master(pci_dev); |
Michael Buesch | 4a1821e | 2006-03-18 20:19:12 +0100 | [diff] [blame] | 3407 | bcm->mmio_addr = ioremap(mmio_start, mmio_len); |
| 3408 | if (!bcm->mmio_addr) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3409 | printk(KERN_ERR PFX "%s: cannot remap MMIO, aborting\n", |
| 3410 | pci_name(pci_dev)); |
| 3411 | err = -EIO; |
| 3412 | goto err_pci_release; |
| 3413 | } |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3414 | bcm->mmio_len = mmio_len; |
Michael Buesch | 4a1821e | 2006-03-18 20:19:12 +0100 | [diff] [blame] | 3415 | net_dev->base_addr = (unsigned long)bcm->mmio_addr; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3416 | |
| 3417 | bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID, |
| 3418 | &bcm->board_vendor); |
| 3419 | bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_ID, |
| 3420 | &bcm->board_type); |
| 3421 | bcm43xx_pci_read_config16(bcm, PCI_REVISION_ID, |
| 3422 | &bcm->board_revision); |
| 3423 | |
| 3424 | err = bcm43xx_chipset_attach(bcm); |
| 3425 | if (err) |
| 3426 | goto err_iounmap; |
| 3427 | err = bcm43xx_pctl_init(bcm); |
| 3428 | if (err) |
| 3429 | goto err_chipset_detach; |
| 3430 | err = bcm43xx_probe_cores(bcm); |
| 3431 | if (err) |
| 3432 | goto err_chipset_detach; |
| 3433 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3434 | /* Attach all IO cores to the backplane. */ |
| 3435 | coremask = 0; |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3436 | for (i = 0; i < bcm->nr_80211_available; i++) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3437 | coremask |= (1 << bcm->core_80211[i].index); |
| 3438 | //FIXME: Also attach some non80211 cores? |
| 3439 | err = bcm43xx_setup_backplane_pci_connection(bcm, coremask); |
| 3440 | if (err) { |
| 3441 | printk(KERN_ERR PFX "Backplane->PCI connection failed!\n"); |
| 3442 | goto err_chipset_detach; |
| 3443 | } |
| 3444 | |
Michael Buesch | ea0922b | 2006-02-19 14:09:20 +0100 | [diff] [blame] | 3445 | err = bcm43xx_sprom_extract(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3446 | if (err) |
| 3447 | goto err_chipset_detach; |
| 3448 | err = bcm43xx_leds_init(bcm); |
| 3449 | if (err) |
| 3450 | goto err_chipset_detach; |
| 3451 | |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3452 | for (i = 0; i < bcm->nr_80211_available; i++) { |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3453 | err = bcm43xx_switch_core(bcm, &bcm->core_80211[i]); |
| 3454 | assert(err != -ENODEV); |
| 3455 | if (err) |
| 3456 | goto err_80211_unwind; |
| 3457 | |
| 3458 | /* Enable the selected wireless core. |
| 3459 | * Connect PHY only on the first core. |
| 3460 | */ |
| 3461 | bcm43xx_wireless_core_reset(bcm, (i == 0)); |
| 3462 | |
| 3463 | err = bcm43xx_read_phyinfo(bcm); |
| 3464 | if (err && (i == 0)) |
| 3465 | goto err_80211_unwind; |
| 3466 | |
| 3467 | err = bcm43xx_read_radioinfo(bcm); |
| 3468 | if (err && (i == 0)) |
| 3469 | goto err_80211_unwind; |
| 3470 | |
| 3471 | err = bcm43xx_validate_chip(bcm); |
| 3472 | if (err && (i == 0)) |
| 3473 | goto err_80211_unwind; |
| 3474 | |
| 3475 | bcm43xx_radio_turn_off(bcm); |
| 3476 | err = bcm43xx_phy_init_tssi2dbm_table(bcm); |
| 3477 | if (err) |
| 3478 | goto err_80211_unwind; |
| 3479 | bcm43xx_wireless_core_disable(bcm); |
| 3480 | } |
| 3481 | bcm43xx_pctl_set_crystal(bcm, 0); |
| 3482 | |
| 3483 | /* Set the MAC address in the networking subsystem */ |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3484 | if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3485 | memcpy(bcm->net_dev->dev_addr, bcm->sprom.et1macaddr, 6); |
| 3486 | else |
| 3487 | memcpy(bcm->net_dev->dev_addr, bcm->sprom.il0macaddr, 6); |
| 3488 | |
| 3489 | bcm43xx_geo_init(bcm); |
| 3490 | |
| 3491 | snprintf(bcm->nick, IW_ESSID_MAX_SIZE, |
| 3492 | "Broadcom %04X", bcm->chip_id); |
| 3493 | |
| 3494 | assert(err == 0); |
| 3495 | out: |
| 3496 | return err; |
| 3497 | |
| 3498 | err_80211_unwind: |
| 3499 | for (i = 0; i < BCM43xx_MAX_80211_CORES; i++) { |
Michael Buesch | e9357c0 | 2006-03-13 19:27:34 +0100 | [diff] [blame] | 3500 | kfree(bcm->core_80211_ext[i].phy._lo_pairs); |
| 3501 | if (bcm->core_80211_ext[i].phy.dyn_tssi_tbl) |
| 3502 | kfree(bcm->core_80211_ext[i].phy.tssi2dbm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3503 | } |
| 3504 | err_chipset_detach: |
| 3505 | bcm43xx_chipset_detach(bcm); |
| 3506 | err_iounmap: |
| 3507 | iounmap(bcm->mmio_addr); |
| 3508 | err_pci_release: |
| 3509 | pci_release_regions(pci_dev); |
| 3510 | err_pci_disable: |
| 3511 | pci_disable_device(pci_dev); |
| 3512 | goto out; |
| 3513 | } |
| 3514 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3515 | /* Do the Hardware IO operations to send the txb */ |
| 3516 | static inline int bcm43xx_tx(struct bcm43xx_private *bcm, |
| 3517 | struct ieee80211_txb *txb) |
| 3518 | { |
| 3519 | int err = -ENODEV; |
| 3520 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3521 | if (bcm43xx_using_pio(bcm)) |
| 3522 | err = bcm43xx_pio_tx(bcm, txb); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3523 | else |
Michael Buesch | ea72ab2 | 2006-01-27 17:26:20 +0100 | [diff] [blame] | 3524 | err = bcm43xx_dma_tx(bcm, txb); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3525 | |
| 3526 | return err; |
| 3527 | } |
| 3528 | |
| 3529 | static void bcm43xx_ieee80211_set_chan(struct net_device *net_dev, |
| 3530 | u8 channel) |
| 3531 | { |
| 3532 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
Michael Buesch | ec48378 | 2006-03-27 11:49:51 +0200 | [diff] [blame] | 3533 | struct bcm43xx_radioinfo *radio; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3534 | unsigned long flags; |
| 3535 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3536 | bcm43xx_lock_mmio(bcm, flags); |
Michael Buesch | ec48378 | 2006-03-27 11:49:51 +0200 | [diff] [blame] | 3537 | if (bcm->initialized) { |
| 3538 | bcm43xx_mac_suspend(bcm); |
| 3539 | bcm43xx_radio_selectchannel(bcm, channel, 0); |
| 3540 | bcm43xx_mac_enable(bcm); |
| 3541 | } else { |
| 3542 | radio = bcm43xx_current_radio(bcm); |
| 3543 | radio->initial_channel = channel; |
| 3544 | } |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3545 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3546 | } |
| 3547 | |
| 3548 | /* set_security() callback in struct ieee80211_device */ |
| 3549 | static void bcm43xx_ieee80211_set_security(struct net_device *net_dev, |
| 3550 | struct ieee80211_security *sec) |
| 3551 | { |
| 3552 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3553 | struct ieee80211_security *secinfo = &bcm->ieee->sec; |
| 3554 | unsigned long flags; |
| 3555 | int keyidx; |
| 3556 | |
| 3557 | dprintk(KERN_INFO PFX "set security called\n"); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3558 | |
| 3559 | bcm43xx_lock_mmio(bcm, flags); |
| 3560 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3561 | for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) |
| 3562 | if (sec->flags & (1<<keyidx)) { |
| 3563 | secinfo->encode_alg[keyidx] = sec->encode_alg[keyidx]; |
| 3564 | secinfo->key_sizes[keyidx] = sec->key_sizes[keyidx]; |
| 3565 | memcpy(secinfo->keys[keyidx], sec->keys[keyidx], SCM_KEY_LEN); |
| 3566 | } |
| 3567 | |
| 3568 | if (sec->flags & SEC_ACTIVE_KEY) { |
| 3569 | secinfo->active_key = sec->active_key; |
| 3570 | dprintk(KERN_INFO PFX " .active_key = %d\n", sec->active_key); |
| 3571 | } |
| 3572 | if (sec->flags & SEC_UNICAST_GROUP) { |
| 3573 | secinfo->unicast_uses_group = sec->unicast_uses_group; |
| 3574 | dprintk(KERN_INFO PFX " .unicast_uses_group = %d\n", sec->unicast_uses_group); |
| 3575 | } |
| 3576 | if (sec->flags & SEC_LEVEL) { |
| 3577 | secinfo->level = sec->level; |
| 3578 | dprintk(KERN_INFO PFX " .level = %d\n", sec->level); |
| 3579 | } |
| 3580 | if (sec->flags & SEC_ENABLED) { |
| 3581 | secinfo->enabled = sec->enabled; |
| 3582 | dprintk(KERN_INFO PFX " .enabled = %d\n", sec->enabled); |
| 3583 | } |
| 3584 | if (sec->flags & SEC_ENCRYPT) { |
| 3585 | secinfo->encrypt = sec->encrypt; |
| 3586 | dprintk(KERN_INFO PFX " .encrypt = %d\n", sec->encrypt); |
| 3587 | } |
| 3588 | if (bcm->initialized && !bcm->ieee->host_encrypt) { |
| 3589 | if (secinfo->enabled) { |
| 3590 | /* upload WEP keys to hardware */ |
| 3591 | char null_address[6] = { 0 }; |
| 3592 | u8 algorithm = 0; |
| 3593 | for (keyidx = 0; keyidx<WEP_KEYS; keyidx++) { |
| 3594 | if (!(sec->flags & (1<<keyidx))) |
| 3595 | continue; |
| 3596 | switch (sec->encode_alg[keyidx]) { |
| 3597 | case SEC_ALG_NONE: algorithm = BCM43xx_SEC_ALGO_NONE; break; |
| 3598 | case SEC_ALG_WEP: |
| 3599 | algorithm = BCM43xx_SEC_ALGO_WEP; |
| 3600 | if (secinfo->key_sizes[keyidx] == 13) |
| 3601 | algorithm = BCM43xx_SEC_ALGO_WEP104; |
| 3602 | break; |
| 3603 | case SEC_ALG_TKIP: |
| 3604 | FIXME(); |
| 3605 | algorithm = BCM43xx_SEC_ALGO_TKIP; |
| 3606 | break; |
| 3607 | case SEC_ALG_CCMP: |
| 3608 | FIXME(); |
| 3609 | algorithm = BCM43xx_SEC_ALGO_AES; |
| 3610 | break; |
| 3611 | default: |
| 3612 | assert(0); |
| 3613 | break; |
| 3614 | } |
| 3615 | bcm43xx_key_write(bcm, keyidx, algorithm, sec->keys[keyidx], secinfo->key_sizes[keyidx], &null_address[0]); |
| 3616 | bcm->key[keyidx].enabled = 1; |
| 3617 | bcm->key[keyidx].algorithm = algorithm; |
| 3618 | } |
| 3619 | } else |
| 3620 | bcm43xx_clear_keys(bcm); |
| 3621 | } |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3622 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3623 | } |
| 3624 | |
| 3625 | /* hard_start_xmit() callback in struct ieee80211_device */ |
| 3626 | static int bcm43xx_ieee80211_hard_start_xmit(struct ieee80211_txb *txb, |
| 3627 | struct net_device *net_dev, |
| 3628 | int pri) |
| 3629 | { |
| 3630 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3631 | int err = -ENODEV; |
| 3632 | unsigned long flags; |
| 3633 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3634 | bcm43xx_lock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3635 | if (likely(bcm->initialized)) |
| 3636 | err = bcm43xx_tx(bcm, txb); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3637 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3638 | |
| 3639 | return err; |
| 3640 | } |
| 3641 | |
| 3642 | static struct net_device_stats * bcm43xx_net_get_stats(struct net_device *net_dev) |
| 3643 | { |
| 3644 | return &(bcm43xx_priv(net_dev)->ieee->stats); |
| 3645 | } |
| 3646 | |
| 3647 | static void bcm43xx_net_tx_timeout(struct net_device *net_dev) |
| 3648 | { |
| 3649 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3650 | unsigned long flags; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3651 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3652 | bcm43xx_lock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3653 | bcm43xx_controller_restart(bcm, "TX timeout"); |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3654 | bcm43xx_unlock_mmio(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3655 | } |
| 3656 | |
| 3657 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3658 | static void bcm43xx_net_poll_controller(struct net_device *net_dev) |
| 3659 | { |
| 3660 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3661 | unsigned long flags; |
| 3662 | |
| 3663 | local_irq_save(flags); |
| 3664 | bcm43xx_interrupt_handler(bcm->irq, bcm, NULL); |
| 3665 | local_irq_restore(flags); |
| 3666 | } |
| 3667 | #endif /* CONFIG_NET_POLL_CONTROLLER */ |
| 3668 | |
| 3669 | static int bcm43xx_net_open(struct net_device *net_dev) |
| 3670 | { |
| 3671 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3672 | |
| 3673 | return bcm43xx_init_board(bcm); |
| 3674 | } |
| 3675 | |
| 3676 | static int bcm43xx_net_stop(struct net_device *net_dev) |
| 3677 | { |
| 3678 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3679 | |
| 3680 | ieee80211softmac_stop(net_dev); |
| 3681 | bcm43xx_disable_interrupts_sync(bcm, NULL); |
| 3682 | bcm43xx_free_board(bcm); |
| 3683 | |
| 3684 | return 0; |
| 3685 | } |
| 3686 | |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3687 | static int bcm43xx_init_private(struct bcm43xx_private *bcm, |
| 3688 | struct net_device *net_dev, |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3689 | struct pci_dev *pci_dev) |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3690 | { |
Michael Buesch | 4d5a9e0e | 2006-03-11 13:15:02 +0100 | [diff] [blame] | 3691 | int err; |
| 3692 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3693 | bcm->ieee = netdev_priv(net_dev); |
| 3694 | bcm->softmac = ieee80211_priv(net_dev); |
| 3695 | bcm->softmac->set_channel = bcm43xx_ieee80211_set_chan; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3696 | |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3697 | bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; |
| 3698 | bcm->pci_dev = pci_dev; |
| 3699 | bcm->net_dev = net_dev; |
Michael Buesch | 4d5a9e0e | 2006-03-11 13:15:02 +0100 | [diff] [blame] | 3700 | bcm->bad_frames_preempt = modparam_bad_frames_preempt; |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3701 | spin_lock_init(&bcm->_lock); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3702 | tasklet_init(&bcm->isr_tasklet, |
| 3703 | (void (*)(unsigned long))bcm43xx_interrupt_tasklet, |
| 3704 | (unsigned long)bcm); |
| 3705 | tasklet_disable_nosync(&bcm->isr_tasklet); |
| 3706 | if (modparam_pio) { |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3707 | bcm->__using_pio = 1; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3708 | } else { |
Michael Buesch | 4d5a9e0e | 2006-03-11 13:15:02 +0100 | [diff] [blame] | 3709 | err = pci_set_dma_mask(pci_dev, DMA_30BIT_MASK); |
| 3710 | err |= pci_set_consistent_dma_mask(pci_dev, DMA_30BIT_MASK); |
| 3711 | if (err) { |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3712 | #ifdef CONFIG_BCM43XX_PIO |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3713 | printk(KERN_WARNING PFX "DMA not supported. Falling back to PIO.\n"); |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3714 | bcm->__using_pio = 1; |
| 3715 | #else |
| 3716 | printk(KERN_ERR PFX "FATAL: DMA not supported and PIO not configured. " |
| 3717 | "Recompile the driver with PIO support, please.\n"); |
| 3718 | return -ENODEV; |
| 3719 | #endif /* CONFIG_BCM43XX_PIO */ |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3720 | } |
| 3721 | } |
| 3722 | bcm->rts_threshold = BCM43xx_DEFAULT_RTS_THRESHOLD; |
| 3723 | |
| 3724 | /* default to sw encryption for now */ |
| 3725 | bcm->ieee->host_build_iv = 0; |
| 3726 | bcm->ieee->host_encrypt = 1; |
| 3727 | bcm->ieee->host_decrypt = 1; |
| 3728 | |
| 3729 | bcm->ieee->iw_mode = BCM43xx_INITIAL_IWMODE; |
| 3730 | bcm->ieee->tx_headroom = sizeof(struct bcm43xx_txhdr); |
| 3731 | bcm->ieee->set_security = bcm43xx_ieee80211_set_security; |
| 3732 | bcm->ieee->hard_start_xmit = bcm43xx_ieee80211_hard_start_xmit; |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3733 | |
| 3734 | return 0; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3735 | } |
| 3736 | |
| 3737 | static int __devinit bcm43xx_init_one(struct pci_dev *pdev, |
| 3738 | const struct pci_device_id *ent) |
| 3739 | { |
| 3740 | struct net_device *net_dev; |
| 3741 | struct bcm43xx_private *bcm; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3742 | int err; |
| 3743 | |
| 3744 | #ifdef CONFIG_BCM947XX |
| 3745 | if ((pdev->bus->number == 0) && (pdev->device != 0x0800)) |
| 3746 | return -ENODEV; |
| 3747 | #endif |
| 3748 | |
| 3749 | #ifdef DEBUG_SINGLE_DEVICE_ONLY |
| 3750 | if (strcmp(pci_name(pdev), DEBUG_SINGLE_DEVICE_ONLY)) |
| 3751 | return -ENODEV; |
| 3752 | #endif |
| 3753 | |
| 3754 | net_dev = alloc_ieee80211softmac(sizeof(*bcm)); |
| 3755 | if (!net_dev) { |
| 3756 | printk(KERN_ERR PFX |
| 3757 | "could not allocate ieee80211 device %s\n", |
| 3758 | pci_name(pdev)); |
| 3759 | err = -ENOMEM; |
| 3760 | goto out; |
| 3761 | } |
| 3762 | /* initialize the net_device struct */ |
| 3763 | SET_MODULE_OWNER(net_dev); |
| 3764 | SET_NETDEV_DEV(net_dev, &pdev->dev); |
| 3765 | |
| 3766 | net_dev->open = bcm43xx_net_open; |
| 3767 | net_dev->stop = bcm43xx_net_stop; |
| 3768 | net_dev->get_stats = bcm43xx_net_get_stats; |
| 3769 | net_dev->tx_timeout = bcm43xx_net_tx_timeout; |
| 3770 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 3771 | net_dev->poll_controller = bcm43xx_net_poll_controller; |
| 3772 | #endif |
| 3773 | net_dev->wireless_handlers = &bcm43xx_wx_handlers_def; |
| 3774 | net_dev->irq = pdev->irq; |
Michael Buesch | 6465ce1 | 2006-02-02 19:11:08 +0100 | [diff] [blame] | 3775 | SET_ETHTOOL_OPS(net_dev, &bcm43xx_ethtool_ops); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3776 | |
| 3777 | /* initialize the bcm43xx_private struct */ |
| 3778 | bcm = bcm43xx_priv(net_dev); |
| 3779 | memset(bcm, 0, sizeof(*bcm)); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3780 | err = bcm43xx_init_private(bcm, net_dev, pdev); |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3781 | if (err) |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3782 | goto err_free_netdev; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3783 | |
| 3784 | pci_set_drvdata(pdev, net_dev); |
| 3785 | |
| 3786 | err = bcm43xx_attach_board(bcm); |
| 3787 | if (err) |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3788 | goto err_free_netdev; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3789 | |
| 3790 | err = register_netdev(net_dev); |
| 3791 | if (err) { |
| 3792 | printk(KERN_ERR PFX "Cannot register net device, " |
| 3793 | "aborting.\n"); |
| 3794 | err = -ENOMEM; |
| 3795 | goto err_detach_board; |
| 3796 | } |
| 3797 | |
| 3798 | bcm43xx_debugfs_add_device(bcm); |
| 3799 | |
| 3800 | assert(err == 0); |
| 3801 | out: |
| 3802 | return err; |
| 3803 | |
| 3804 | err_detach_board: |
| 3805 | bcm43xx_detach_board(bcm); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3806 | err_free_netdev: |
| 3807 | free_ieee80211softmac(net_dev); |
| 3808 | goto out; |
| 3809 | } |
| 3810 | |
| 3811 | static void __devexit bcm43xx_remove_one(struct pci_dev *pdev) |
| 3812 | { |
| 3813 | struct net_device *net_dev = pci_get_drvdata(pdev); |
| 3814 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3815 | |
| 3816 | bcm43xx_debugfs_remove_device(bcm); |
| 3817 | unregister_netdev(net_dev); |
| 3818 | bcm43xx_detach_board(bcm); |
| 3819 | assert(bcm->ucode == NULL); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3820 | free_ieee80211softmac(net_dev); |
| 3821 | } |
| 3822 | |
| 3823 | /* Hard-reset the chip. Do not call this directly. |
| 3824 | * Use bcm43xx_controller_restart() |
| 3825 | */ |
| 3826 | static void bcm43xx_chip_reset(void *_bcm) |
| 3827 | { |
| 3828 | struct bcm43xx_private *bcm = _bcm; |
| 3829 | struct net_device *net_dev = bcm->net_dev; |
| 3830 | struct pci_dev *pci_dev = bcm->pci_dev; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3831 | int err; |
| 3832 | int was_initialized = bcm->initialized; |
| 3833 | |
| 3834 | netif_stop_queue(bcm->net_dev); |
| 3835 | tasklet_disable(&bcm->isr_tasklet); |
| 3836 | |
| 3837 | bcm->firmware_norelease = 1; |
| 3838 | if (was_initialized) |
| 3839 | bcm43xx_free_board(bcm); |
| 3840 | bcm->firmware_norelease = 0; |
| 3841 | bcm43xx_detach_board(bcm); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3842 | err = bcm43xx_init_private(bcm, net_dev, pci_dev); |
Michael Buesch | 77db31e | 2006-02-12 16:47:44 +0100 | [diff] [blame] | 3843 | if (err) |
| 3844 | goto failure; |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3845 | err = bcm43xx_attach_board(bcm); |
| 3846 | if (err) |
| 3847 | goto failure; |
| 3848 | if (was_initialized) { |
| 3849 | err = bcm43xx_init_board(bcm); |
| 3850 | if (err) |
| 3851 | goto failure; |
| 3852 | } |
| 3853 | netif_wake_queue(bcm->net_dev); |
| 3854 | printk(KERN_INFO PFX "Controller restarted\n"); |
| 3855 | |
| 3856 | return; |
| 3857 | failure: |
| 3858 | printk(KERN_ERR PFX "Controller restart failed\n"); |
| 3859 | } |
| 3860 | |
| 3861 | /* Hard-reset the chip. |
| 3862 | * This can be called from interrupt or process context. |
| 3863 | * Make sure to _not_ re-enable device interrupts after this has been called. |
| 3864 | */ |
| 3865 | void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason) |
| 3866 | { |
| 3867 | bcm43xx_interrupt_disable(bcm, BCM43xx_IRQ_ALL); |
Michael Buesch | 7373384 | 2006-03-12 19:44:29 +0100 | [diff] [blame] | 3868 | bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* dummy read */ |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3869 | printk(KERN_ERR PFX "Controller RESET (%s) ...\n", reason); |
| 3870 | INIT_WORK(&bcm->restart_work, bcm43xx_chip_reset, bcm); |
Michael Buesch | ab4977f | 2006-02-12 22:40:39 +0100 | [diff] [blame] | 3871 | schedule_work(&bcm->restart_work); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3872 | } |
| 3873 | |
| 3874 | #ifdef CONFIG_PM |
| 3875 | |
| 3876 | static int bcm43xx_suspend(struct pci_dev *pdev, pm_message_t state) |
| 3877 | { |
| 3878 | struct net_device *net_dev = pci_get_drvdata(pdev); |
| 3879 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3880 | unsigned long flags; |
| 3881 | int try_to_shutdown = 0, err; |
| 3882 | |
| 3883 | dprintk(KERN_INFO PFX "Suspending...\n"); |
| 3884 | |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3885 | bcm43xx_lock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3886 | bcm->was_initialized = bcm->initialized; |
| 3887 | if (bcm->initialized) |
| 3888 | try_to_shutdown = 1; |
Michael Buesch | efccb64 | 2006-03-11 13:39:14 +0100 | [diff] [blame] | 3889 | bcm43xx_unlock(bcm, flags); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3890 | |
| 3891 | netif_device_detach(net_dev); |
| 3892 | if (try_to_shutdown) { |
| 3893 | ieee80211softmac_stop(net_dev); |
| 3894 | err = bcm43xx_disable_interrupts_sync(bcm, &bcm->irq_savedstate); |
| 3895 | if (unlikely(err)) { |
| 3896 | dprintk(KERN_ERR PFX "Suspend failed.\n"); |
| 3897 | return -EAGAIN; |
| 3898 | } |
| 3899 | bcm->firmware_norelease = 1; |
| 3900 | bcm43xx_free_board(bcm); |
| 3901 | bcm->firmware_norelease = 0; |
| 3902 | } |
| 3903 | bcm43xx_chipset_detach(bcm); |
| 3904 | |
| 3905 | pci_save_state(pdev); |
| 3906 | pci_disable_device(pdev); |
| 3907 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 3908 | |
| 3909 | dprintk(KERN_INFO PFX "Device suspended.\n"); |
| 3910 | |
| 3911 | return 0; |
| 3912 | } |
| 3913 | |
| 3914 | static int bcm43xx_resume(struct pci_dev *pdev) |
| 3915 | { |
| 3916 | struct net_device *net_dev = pci_get_drvdata(pdev); |
| 3917 | struct bcm43xx_private *bcm = bcm43xx_priv(net_dev); |
| 3918 | int err = 0; |
| 3919 | |
| 3920 | dprintk(KERN_INFO PFX "Resuming...\n"); |
| 3921 | |
| 3922 | pci_set_power_state(pdev, 0); |
| 3923 | pci_enable_device(pdev); |
| 3924 | pci_restore_state(pdev); |
| 3925 | |
| 3926 | bcm43xx_chipset_attach(bcm); |
| 3927 | if (bcm->was_initialized) { |
| 3928 | bcm->irq_savedstate = BCM43xx_IRQ_INITIAL; |
| 3929 | err = bcm43xx_init_board(bcm); |
| 3930 | } |
| 3931 | if (err) { |
| 3932 | printk(KERN_ERR PFX "Resume failed!\n"); |
| 3933 | return err; |
| 3934 | } |
| 3935 | |
| 3936 | netif_device_attach(net_dev); |
| 3937 | |
| 3938 | /*FIXME: This should be handled by softmac instead. */ |
| 3939 | schedule_work(&bcm->softmac->associnfo.work); |
| 3940 | |
| 3941 | dprintk(KERN_INFO PFX "Device resumed.\n"); |
| 3942 | |
| 3943 | return 0; |
| 3944 | } |
| 3945 | |
| 3946 | #endif /* CONFIG_PM */ |
| 3947 | |
| 3948 | static struct pci_driver bcm43xx_pci_driver = { |
Michael Buesch | 65f3f19 | 2006-01-31 20:11:38 +0100 | [diff] [blame] | 3949 | .name = KBUILD_MODNAME, |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3950 | .id_table = bcm43xx_pci_tbl, |
| 3951 | .probe = bcm43xx_init_one, |
| 3952 | .remove = __devexit_p(bcm43xx_remove_one), |
| 3953 | #ifdef CONFIG_PM |
| 3954 | .suspend = bcm43xx_suspend, |
| 3955 | .resume = bcm43xx_resume, |
| 3956 | #endif /* CONFIG_PM */ |
| 3957 | }; |
| 3958 | |
| 3959 | static int __init bcm43xx_init(void) |
| 3960 | { |
Michael Buesch | 65f3f19 | 2006-01-31 20:11:38 +0100 | [diff] [blame] | 3961 | printk(KERN_INFO KBUILD_MODNAME " driver\n"); |
John W. Linville | f222313 | 2006-01-23 16:59:58 -0500 | [diff] [blame] | 3962 | bcm43xx_debugfs_init(); |
| 3963 | return pci_register_driver(&bcm43xx_pci_driver); |
| 3964 | } |
| 3965 | |
| 3966 | static void __exit bcm43xx_exit(void) |
| 3967 | { |
| 3968 | pci_unregister_driver(&bcm43xx_pci_driver); |
| 3969 | bcm43xx_debugfs_exit(); |
| 3970 | } |
| 3971 | |
| 3972 | module_init(bcm43xx_init) |
| 3973 | module_exit(bcm43xx_exit) |