Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2011 Atheros Communications Inc. |
| 3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/module.h> |
| 19 | #include <linux/firmware.h> |
| 20 | |
| 21 | #include "core.h" |
| 22 | #include "mac.h" |
| 23 | #include "htc.h" |
| 24 | #include "hif.h" |
| 25 | #include "wmi.h" |
| 26 | #include "bmi.h" |
| 27 | #include "debug.h" |
| 28 | #include "htt.h" |
| 29 | |
| 30 | unsigned int ath10k_debug_mask; |
| 31 | static bool uart_print; |
| 32 | static unsigned int ath10k_p2p; |
| 33 | module_param_named(debug_mask, ath10k_debug_mask, uint, 0644); |
| 34 | module_param(uart_print, bool, 0644); |
| 35 | module_param_named(p2p, ath10k_p2p, uint, 0644); |
| 36 | MODULE_PARM_DESC(debug_mask, "Debugging mask"); |
| 37 | MODULE_PARM_DESC(uart_print, "Uart target debugging"); |
| 38 | MODULE_PARM_DESC(p2p, "Enable ath10k P2P support"); |
| 39 | |
| 40 | static const struct ath10k_hw_params ath10k_hw_params_list[] = { |
| 41 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 42 | .id = QCA988X_HW_2_0_VERSION, |
| 43 | .name = "qca988x hw2.0", |
| 44 | .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR, |
| 45 | .fw = { |
| 46 | .dir = QCA988X_HW_2_0_FW_DIR, |
| 47 | .fw = QCA988X_HW_2_0_FW_FILE, |
| 48 | .otp = QCA988X_HW_2_0_OTP_FILE, |
| 49 | .board = QCA988X_HW_2_0_BOARD_DATA_FILE, |
| 50 | }, |
| 51 | }, |
| 52 | }; |
| 53 | |
| 54 | static void ath10k_send_suspend_complete(struct ath10k *ar) |
| 55 | { |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 56 | ath10k_dbg(ATH10K_DBG_BOOT, "boot suspend complete\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 57 | |
| 58 | ar->is_target_paused = true; |
| 59 | wake_up(&ar->event_queue); |
| 60 | } |
| 61 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 62 | static int ath10k_init_connect_htc(struct ath10k *ar) |
| 63 | { |
| 64 | int status; |
| 65 | |
| 66 | status = ath10k_wmi_connect_htc_service(ar); |
| 67 | if (status) |
| 68 | goto conn_fail; |
| 69 | |
| 70 | /* Start HTC */ |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 71 | status = ath10k_htc_start(&ar->htc); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 72 | if (status) |
| 73 | goto conn_fail; |
| 74 | |
| 75 | /* Wait for WMI event to be ready */ |
| 76 | status = ath10k_wmi_wait_for_service_ready(ar); |
| 77 | if (status <= 0) { |
| 78 | ath10k_warn("wmi service ready event not received"); |
| 79 | status = -ETIMEDOUT; |
| 80 | goto timeout; |
| 81 | } |
| 82 | |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 83 | ath10k_dbg(ATH10K_DBG_BOOT, "boot wmi ready\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 84 | return 0; |
| 85 | |
| 86 | timeout: |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 87 | ath10k_htc_stop(&ar->htc); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 88 | conn_fail: |
| 89 | return status; |
| 90 | } |
| 91 | |
| 92 | static int ath10k_init_configure_target(struct ath10k *ar) |
| 93 | { |
| 94 | u32 param_host; |
| 95 | int ret; |
| 96 | |
| 97 | /* tell target which HTC version it is used*/ |
| 98 | ret = ath10k_bmi_write32(ar, hi_app_host_interest, |
| 99 | HTC_PROTOCOL_VERSION); |
| 100 | if (ret) { |
| 101 | ath10k_err("settings HTC version failed\n"); |
| 102 | return ret; |
| 103 | } |
| 104 | |
| 105 | /* set the firmware mode to STA/IBSS/AP */ |
| 106 | ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host); |
| 107 | if (ret) { |
| 108 | ath10k_err("setting firmware mode (1/2) failed\n"); |
| 109 | return ret; |
| 110 | } |
| 111 | |
| 112 | /* TODO following parameters need to be re-visited. */ |
| 113 | /* num_device */ |
| 114 | param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT); |
| 115 | /* Firmware mode */ |
| 116 | /* FIXME: Why FW_MODE_AP ??.*/ |
| 117 | param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT); |
| 118 | /* mac_addr_method */ |
| 119 | param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); |
| 120 | /* firmware_bridge */ |
| 121 | param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); |
| 122 | /* fwsubmode */ |
| 123 | param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT); |
| 124 | |
| 125 | ret = ath10k_bmi_write32(ar, hi_option_flag, param_host); |
| 126 | if (ret) { |
| 127 | ath10k_err("setting firmware mode (2/2) failed\n"); |
| 128 | return ret; |
| 129 | } |
| 130 | |
| 131 | /* We do all byte-swapping on the host */ |
| 132 | ret = ath10k_bmi_write32(ar, hi_be, 0); |
| 133 | if (ret) { |
| 134 | ath10k_err("setting host CPU BE mode failed\n"); |
| 135 | return ret; |
| 136 | } |
| 137 | |
| 138 | /* FW descriptor/Data swap flags */ |
| 139 | ret = ath10k_bmi_write32(ar, hi_fw_swap, 0); |
| 140 | |
| 141 | if (ret) { |
| 142 | ath10k_err("setting FW data/desc swap flags failed\n"); |
| 143 | return ret; |
| 144 | } |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, |
| 150 | const char *dir, |
| 151 | const char *file) |
| 152 | { |
| 153 | char filename[100]; |
| 154 | const struct firmware *fw; |
| 155 | int ret; |
| 156 | |
| 157 | if (file == NULL) |
| 158 | return ERR_PTR(-ENOENT); |
| 159 | |
| 160 | if (dir == NULL) |
| 161 | dir = "."; |
| 162 | |
| 163 | snprintf(filename, sizeof(filename), "%s/%s", dir, file); |
| 164 | ret = request_firmware(&fw, filename, ar->dev); |
| 165 | if (ret) |
| 166 | return ERR_PTR(ret); |
| 167 | |
| 168 | return fw; |
| 169 | } |
| 170 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 171 | static int ath10k_push_board_ext_data(struct ath10k *ar) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 172 | { |
| 173 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 174 | u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ; |
| 175 | u32 board_ext_data_addr; |
| 176 | int ret; |
| 177 | |
| 178 | ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr); |
| 179 | if (ret) { |
| 180 | ath10k_err("could not read board ext data addr (%d)\n", ret); |
| 181 | return ret; |
| 182 | } |
| 183 | |
Kalle Valo | b52b768 | 2013-09-08 17:55:38 +0300 | [diff] [blame] | 184 | ath10k_dbg(ATH10K_DBG_BOOT, |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 185 | "boot push board extended data addr 0x%x\n", |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 186 | board_ext_data_addr); |
| 187 | |
| 188 | if (board_ext_data_addr == 0) |
| 189 | return 0; |
| 190 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 191 | if (ar->board_len != (board_data_size + board_ext_data_size)) { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 192 | ath10k_err("invalid board (ext) data sizes %zu != %d+%d\n", |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 193 | ar->board_len, board_data_size, board_ext_data_size); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 194 | return -EINVAL; |
| 195 | } |
| 196 | |
| 197 | ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 198 | ar->board_data + board_data_size, |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 199 | board_ext_data_size); |
| 200 | if (ret) { |
| 201 | ath10k_err("could not write board ext data (%d)\n", ret); |
| 202 | return ret; |
| 203 | } |
| 204 | |
| 205 | ret = ath10k_bmi_write32(ar, hi_board_ext_data_config, |
| 206 | (board_ext_data_size << 16) | 1); |
| 207 | if (ret) { |
| 208 | ath10k_err("could not write board ext data bit (%d)\n", ret); |
| 209 | return ret; |
| 210 | } |
| 211 | |
| 212 | return 0; |
| 213 | } |
| 214 | |
| 215 | static int ath10k_download_board_data(struct ath10k *ar) |
| 216 | { |
| 217 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 218 | u32 address; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 219 | int ret; |
| 220 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 221 | ret = ath10k_push_board_ext_data(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 222 | if (ret) { |
| 223 | ath10k_err("could not push board ext data (%d)\n", ret); |
| 224 | goto exit; |
| 225 | } |
| 226 | |
| 227 | ret = ath10k_bmi_read32(ar, hi_board_data, &address); |
| 228 | if (ret) { |
| 229 | ath10k_err("could not read board data addr (%d)\n", ret); |
| 230 | goto exit; |
| 231 | } |
| 232 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 233 | ret = ath10k_bmi_write_memory(ar, address, ar->board_data, |
| 234 | min_t(u32, board_data_size, |
| 235 | ar->board_len)); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 236 | if (ret) { |
| 237 | ath10k_err("could not write board data (%d)\n", ret); |
| 238 | goto exit; |
| 239 | } |
| 240 | |
| 241 | ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1); |
| 242 | if (ret) { |
| 243 | ath10k_err("could not write board data bit (%d)\n", ret); |
| 244 | goto exit; |
| 245 | } |
| 246 | |
| 247 | exit: |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 248 | return ret; |
| 249 | } |
| 250 | |
| 251 | static int ath10k_download_and_run_otp(struct ath10k *ar) |
| 252 | { |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 253 | u32 address = ar->hw_params.patch_load_addr; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 254 | u32 exec_param; |
| 255 | int ret; |
| 256 | |
| 257 | /* OTP is optional */ |
| 258 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 259 | if (!ar->otp_data || !ar->otp_len) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 260 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 261 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 262 | ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 263 | if (ret) { |
| 264 | ath10k_err("could not write otp (%d)\n", ret); |
| 265 | goto exit; |
| 266 | } |
| 267 | |
| 268 | exec_param = 0; |
| 269 | ret = ath10k_bmi_execute(ar, address, &exec_param); |
| 270 | if (ret) { |
| 271 | ath10k_err("could not execute otp (%d)\n", ret); |
| 272 | goto exit; |
| 273 | } |
| 274 | |
| 275 | exit: |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 276 | return ret; |
| 277 | } |
| 278 | |
| 279 | static int ath10k_download_fw(struct ath10k *ar) |
| 280 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 281 | u32 address; |
| 282 | int ret; |
| 283 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 284 | address = ar->hw_params.patch_load_addr; |
| 285 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 286 | ret = ath10k_bmi_fast_download(ar, address, ar->firmware_data, |
| 287 | ar->firmware_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 288 | if (ret) { |
| 289 | ath10k_err("could not write fw (%d)\n", ret); |
| 290 | goto exit; |
| 291 | } |
| 292 | |
| 293 | exit: |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 294 | return ret; |
| 295 | } |
| 296 | |
| 297 | static void ath10k_core_free_firmware_files(struct ath10k *ar) |
| 298 | { |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 299 | if (ar->board && !IS_ERR(ar->board)) |
| 300 | release_firmware(ar->board); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 301 | |
| 302 | if (ar->otp && !IS_ERR(ar->otp)) |
| 303 | release_firmware(ar->otp); |
| 304 | |
| 305 | if (ar->firmware && !IS_ERR(ar->firmware)) |
| 306 | release_firmware(ar->firmware); |
| 307 | |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 308 | ar->board = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 309 | ar->board_data = NULL; |
| 310 | ar->board_len = 0; |
| 311 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 312 | ar->otp = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 313 | ar->otp_data = NULL; |
| 314 | ar->otp_len = 0; |
| 315 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 316 | ar->firmware = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 317 | ar->firmware_data = NULL; |
| 318 | ar->firmware_len = 0; |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 319 | } |
| 320 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 321 | static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar) |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 322 | { |
| 323 | int ret = 0; |
| 324 | |
| 325 | if (ar->hw_params.fw.fw == NULL) { |
| 326 | ath10k_err("firmware file not defined\n"); |
| 327 | return -EINVAL; |
| 328 | } |
| 329 | |
| 330 | if (ar->hw_params.fw.board == NULL) { |
| 331 | ath10k_err("board data file not defined"); |
| 332 | return -EINVAL; |
| 333 | } |
| 334 | |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 335 | ar->board = ath10k_fetch_fw_file(ar, |
| 336 | ar->hw_params.fw.dir, |
| 337 | ar->hw_params.fw.board); |
| 338 | if (IS_ERR(ar->board)) { |
| 339 | ret = PTR_ERR(ar->board); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 340 | ath10k_err("could not fetch board data (%d)\n", ret); |
| 341 | goto err; |
| 342 | } |
| 343 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 344 | ar->board_data = ar->board->data; |
| 345 | ar->board_len = ar->board->size; |
| 346 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 347 | ar->firmware = ath10k_fetch_fw_file(ar, |
| 348 | ar->hw_params.fw.dir, |
| 349 | ar->hw_params.fw.fw); |
| 350 | if (IS_ERR(ar->firmware)) { |
| 351 | ret = PTR_ERR(ar->firmware); |
| 352 | ath10k_err("could not fetch firmware (%d)\n", ret); |
| 353 | goto err; |
| 354 | } |
| 355 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 356 | ar->firmware_data = ar->firmware->data; |
| 357 | ar->firmware_len = ar->firmware->size; |
| 358 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 359 | /* OTP may be undefined. If so, don't fetch it at all */ |
| 360 | if (ar->hw_params.fw.otp == NULL) |
| 361 | return 0; |
| 362 | |
| 363 | ar->otp = ath10k_fetch_fw_file(ar, |
| 364 | ar->hw_params.fw.dir, |
| 365 | ar->hw_params.fw.otp); |
| 366 | if (IS_ERR(ar->otp)) { |
| 367 | ret = PTR_ERR(ar->otp); |
| 368 | ath10k_err("could not fetch otp (%d)\n", ret); |
| 369 | goto err; |
| 370 | } |
| 371 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 372 | ar->otp_data = ar->otp->data; |
| 373 | ar->otp_len = ar->otp->size; |
| 374 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 375 | return 0; |
| 376 | |
| 377 | err: |
| 378 | ath10k_core_free_firmware_files(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 379 | return ret; |
| 380 | } |
| 381 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 382 | static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name) |
| 383 | { |
| 384 | size_t magic_len, len, ie_len; |
| 385 | int ie_id, i, index, bit, ret; |
| 386 | struct ath10k_fw_ie *hdr; |
| 387 | const u8 *data; |
| 388 | __le32 *timestamp; |
| 389 | |
| 390 | /* first fetch the firmware file (firmware-*.bin) */ |
| 391 | ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name); |
| 392 | if (IS_ERR(ar->firmware)) { |
| 393 | ath10k_err("Could not fetch firmware file '%s': %ld\n", |
| 394 | name, PTR_ERR(ar->firmware)); |
| 395 | return PTR_ERR(ar->firmware); |
| 396 | } |
| 397 | |
| 398 | data = ar->firmware->data; |
| 399 | len = ar->firmware->size; |
| 400 | |
| 401 | /* magic also includes the null byte, check that as well */ |
| 402 | magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; |
| 403 | |
| 404 | if (len < magic_len) { |
Michal Kazior | fd9c486 | 2013-10-04 08:13:19 +0200 | [diff] [blame] | 405 | ath10k_err("firmware image too small to contain magic: %zu\n", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 406 | len); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 407 | ret = -EINVAL; |
| 408 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 409 | } |
| 410 | |
| 411 | if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { |
| 412 | ath10k_err("Invalid firmware magic\n"); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 413 | ret = -EINVAL; |
| 414 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | /* jump over the padding */ |
| 418 | magic_len = ALIGN(magic_len, 4); |
| 419 | |
| 420 | len -= magic_len; |
| 421 | data += magic_len; |
| 422 | |
| 423 | /* loop elements */ |
| 424 | while (len > sizeof(struct ath10k_fw_ie)) { |
| 425 | hdr = (struct ath10k_fw_ie *)data; |
| 426 | |
| 427 | ie_id = le32_to_cpu(hdr->id); |
| 428 | ie_len = le32_to_cpu(hdr->len); |
| 429 | |
| 430 | len -= sizeof(*hdr); |
| 431 | data += sizeof(*hdr); |
| 432 | |
| 433 | if (len < ie_len) { |
Michal Kazior | fd9c486 | 2013-10-04 08:13:19 +0200 | [diff] [blame] | 434 | ath10k_err("Invalid length for FW IE %d (%zu < %zu)\n", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 435 | ie_id, len, ie_len); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 436 | ret = -EINVAL; |
| 437 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | switch (ie_id) { |
| 441 | case ATH10K_FW_IE_FW_VERSION: |
| 442 | if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1) |
| 443 | break; |
| 444 | |
| 445 | memcpy(ar->hw->wiphy->fw_version, data, ie_len); |
| 446 | ar->hw->wiphy->fw_version[ie_len] = '\0'; |
| 447 | |
| 448 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 449 | "found fw version %s\n", |
| 450 | ar->hw->wiphy->fw_version); |
| 451 | break; |
| 452 | case ATH10K_FW_IE_TIMESTAMP: |
| 453 | if (ie_len != sizeof(u32)) |
| 454 | break; |
| 455 | |
| 456 | timestamp = (__le32 *)data; |
| 457 | |
| 458 | ath10k_dbg(ATH10K_DBG_BOOT, "found fw timestamp %d\n", |
| 459 | le32_to_cpup(timestamp)); |
| 460 | break; |
| 461 | case ATH10K_FW_IE_FEATURES: |
| 462 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 463 | "found firmware features ie (%zd B)\n", |
| 464 | ie_len); |
| 465 | |
| 466 | for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { |
| 467 | index = i / 8; |
| 468 | bit = i % 8; |
| 469 | |
| 470 | if (index == ie_len) |
| 471 | break; |
| 472 | |
| 473 | if (data[index] & (1 << bit)) |
| 474 | __set_bit(i, ar->fw_features); |
| 475 | } |
| 476 | |
| 477 | ath10k_dbg_dump(ATH10K_DBG_BOOT, "features", "", |
| 478 | ar->fw_features, |
| 479 | sizeof(ar->fw_features)); |
| 480 | break; |
| 481 | case ATH10K_FW_IE_FW_IMAGE: |
| 482 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 483 | "found fw image ie (%zd B)\n", |
| 484 | ie_len); |
| 485 | |
| 486 | ar->firmware_data = data; |
| 487 | ar->firmware_len = ie_len; |
| 488 | |
| 489 | break; |
| 490 | case ATH10K_FW_IE_OTP_IMAGE: |
| 491 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 492 | "found otp image ie (%zd B)\n", |
| 493 | ie_len); |
| 494 | |
| 495 | ar->otp_data = data; |
| 496 | ar->otp_len = ie_len; |
| 497 | |
| 498 | break; |
| 499 | default: |
| 500 | ath10k_warn("Unknown FW IE: %u\n", |
| 501 | le32_to_cpu(hdr->id)); |
| 502 | break; |
| 503 | } |
| 504 | |
| 505 | /* jump over the padding */ |
| 506 | ie_len = ALIGN(ie_len, 4); |
| 507 | |
| 508 | len -= ie_len; |
| 509 | data += ie_len; |
Fengguang Wu | e05634e | 2013-10-08 21:48:15 +0300 | [diff] [blame] | 510 | } |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 511 | |
| 512 | if (!ar->firmware_data || !ar->firmware_len) { |
| 513 | ath10k_warn("No ATH10K_FW_IE_FW_IMAGE found from %s, skipping\n", |
| 514 | name); |
| 515 | ret = -ENOMEDIUM; |
| 516 | goto err; |
| 517 | } |
| 518 | |
| 519 | /* now fetch the board file */ |
| 520 | if (ar->hw_params.fw.board == NULL) { |
| 521 | ath10k_err("board data file not defined"); |
| 522 | ret = -EINVAL; |
| 523 | goto err; |
| 524 | } |
| 525 | |
| 526 | ar->board = ath10k_fetch_fw_file(ar, |
| 527 | ar->hw_params.fw.dir, |
| 528 | ar->hw_params.fw.board); |
| 529 | if (IS_ERR(ar->board)) { |
| 530 | ret = PTR_ERR(ar->board); |
| 531 | ath10k_err("could not fetch board data (%d)\n", ret); |
| 532 | goto err; |
| 533 | } |
| 534 | |
| 535 | ar->board_data = ar->board->data; |
| 536 | ar->board_len = ar->board->size; |
| 537 | |
| 538 | return 0; |
| 539 | |
| 540 | err: |
| 541 | ath10k_core_free_firmware_files(ar); |
| 542 | return ret; |
| 543 | } |
| 544 | |
| 545 | static int ath10k_core_fetch_firmware_files(struct ath10k *ar) |
| 546 | { |
| 547 | int ret; |
| 548 | |
| 549 | ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE); |
| 550 | if (ret == 0) { |
| 551 | ar->fw_api = 2; |
| 552 | goto out; |
| 553 | } |
| 554 | |
| 555 | ret = ath10k_core_fetch_firmware_api_1(ar); |
| 556 | if (ret) |
| 557 | return ret; |
| 558 | |
| 559 | ar->fw_api = 1; |
| 560 | |
| 561 | out: |
| 562 | ath10k_dbg(ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api); |
| 563 | |
| 564 | return 0; |
| 565 | } |
| 566 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 567 | static int ath10k_init_download_firmware(struct ath10k *ar) |
| 568 | { |
| 569 | int ret; |
| 570 | |
| 571 | ret = ath10k_download_board_data(ar); |
| 572 | if (ret) |
| 573 | return ret; |
| 574 | |
| 575 | ret = ath10k_download_and_run_otp(ar); |
| 576 | if (ret) |
| 577 | return ret; |
| 578 | |
| 579 | ret = ath10k_download_fw(ar); |
| 580 | if (ret) |
| 581 | return ret; |
| 582 | |
| 583 | return ret; |
| 584 | } |
| 585 | |
| 586 | static int ath10k_init_uart(struct ath10k *ar) |
| 587 | { |
| 588 | int ret; |
| 589 | |
| 590 | /* |
| 591 | * Explicitly setting UART prints to zero as target turns it on |
| 592 | * based on scratch registers. |
| 593 | */ |
| 594 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 0); |
| 595 | if (ret) { |
| 596 | ath10k_warn("could not disable UART prints (%d)\n", ret); |
| 597 | return ret; |
| 598 | } |
| 599 | |
| 600 | if (!uart_print) { |
| 601 | ath10k_info("UART prints disabled\n"); |
| 602 | return 0; |
| 603 | } |
| 604 | |
| 605 | ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7); |
| 606 | if (ret) { |
| 607 | ath10k_warn("could not enable UART prints (%d)\n", ret); |
| 608 | return ret; |
| 609 | } |
| 610 | |
| 611 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 1); |
| 612 | if (ret) { |
| 613 | ath10k_warn("could not enable UART prints (%d)\n", ret); |
| 614 | return ret; |
| 615 | } |
| 616 | |
Bartosz Markowski | 03fc137 | 2013-09-03 14:24:02 +0200 | [diff] [blame] | 617 | /* Set the UART baud rate to 19200. */ |
| 618 | ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200); |
| 619 | if (ret) { |
| 620 | ath10k_warn("could not set the baud rate (%d)\n", ret); |
| 621 | return ret; |
| 622 | } |
| 623 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 624 | ath10k_info("UART prints enabled\n"); |
| 625 | return 0; |
| 626 | } |
| 627 | |
| 628 | static int ath10k_init_hw_params(struct ath10k *ar) |
| 629 | { |
| 630 | const struct ath10k_hw_params *uninitialized_var(hw_params); |
| 631 | int i; |
| 632 | |
| 633 | for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { |
| 634 | hw_params = &ath10k_hw_params_list[i]; |
| 635 | |
| 636 | if (hw_params->id == ar->target_version) |
| 637 | break; |
| 638 | } |
| 639 | |
| 640 | if (i == ARRAY_SIZE(ath10k_hw_params_list)) { |
| 641 | ath10k_err("Unsupported hardware version: 0x%x\n", |
| 642 | ar->target_version); |
| 643 | return -EINVAL; |
| 644 | } |
| 645 | |
| 646 | ar->hw_params = *hw_params; |
| 647 | |
| 648 | ath10k_info("Hardware name %s version 0x%x\n", |
| 649 | ar->hw_params.name, ar->target_version); |
| 650 | |
| 651 | return 0; |
| 652 | } |
| 653 | |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 654 | static void ath10k_core_restart(struct work_struct *work) |
| 655 | { |
| 656 | struct ath10k *ar = container_of(work, struct ath10k, restart_work); |
| 657 | |
| 658 | mutex_lock(&ar->conf_mutex); |
| 659 | |
| 660 | switch (ar->state) { |
| 661 | case ATH10K_STATE_ON: |
| 662 | ath10k_halt(ar); |
| 663 | ar->state = ATH10K_STATE_RESTARTING; |
| 664 | ieee80211_restart_hw(ar->hw); |
| 665 | break; |
| 666 | case ATH10K_STATE_OFF: |
| 667 | /* this can happen if driver is being unloaded */ |
| 668 | ath10k_warn("cannot restart a device that hasn't been started\n"); |
| 669 | break; |
| 670 | case ATH10K_STATE_RESTARTING: |
| 671 | case ATH10K_STATE_RESTARTED: |
| 672 | ar->state = ATH10K_STATE_WEDGED; |
| 673 | /* fall through */ |
| 674 | case ATH10K_STATE_WEDGED: |
| 675 | ath10k_warn("device is wedged, will not restart\n"); |
| 676 | break; |
| 677 | } |
| 678 | |
| 679 | mutex_unlock(&ar->conf_mutex); |
| 680 | } |
| 681 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 682 | struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev, |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 683 | const struct ath10k_hif_ops *hif_ops) |
| 684 | { |
| 685 | struct ath10k *ar; |
| 686 | |
| 687 | ar = ath10k_mac_create(); |
| 688 | if (!ar) |
| 689 | return NULL; |
| 690 | |
| 691 | ar->ath_common.priv = ar; |
| 692 | ar->ath_common.hw = ar->hw; |
| 693 | |
| 694 | ar->p2p = !!ath10k_p2p; |
| 695 | ar->dev = dev; |
| 696 | |
| 697 | ar->hif.priv = hif_priv; |
| 698 | ar->hif.ops = hif_ops; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 699 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 700 | init_completion(&ar->scan.started); |
| 701 | init_completion(&ar->scan.completed); |
| 702 | init_completion(&ar->scan.on_channel); |
| 703 | |
| 704 | init_completion(&ar->install_key_done); |
| 705 | init_completion(&ar->vdev_setup_done); |
| 706 | |
| 707 | setup_timer(&ar->scan.timeout, ath10k_reset_scan, (unsigned long)ar); |
| 708 | |
| 709 | ar->workqueue = create_singlethread_workqueue("ath10k_wq"); |
| 710 | if (!ar->workqueue) |
| 711 | goto err_wq; |
| 712 | |
| 713 | mutex_init(&ar->conf_mutex); |
| 714 | spin_lock_init(&ar->data_lock); |
| 715 | |
| 716 | INIT_LIST_HEAD(&ar->peers); |
| 717 | init_waitqueue_head(&ar->peer_mapping_wq); |
| 718 | |
| 719 | init_completion(&ar->offchan_tx_completed); |
| 720 | INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); |
| 721 | skb_queue_head_init(&ar->offchan_tx_queue); |
| 722 | |
Bartosz Markowski | 5e00d31 | 2013-09-26 17:47:12 +0200 | [diff] [blame] | 723 | INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work); |
| 724 | skb_queue_head_init(&ar->wmi_mgmt_tx_queue); |
| 725 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 726 | init_waitqueue_head(&ar->event_queue); |
| 727 | |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 728 | INIT_WORK(&ar->restart_work, ath10k_core_restart); |
| 729 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 730 | return ar; |
| 731 | |
| 732 | err_wq: |
| 733 | ath10k_mac_destroy(ar); |
| 734 | return NULL; |
| 735 | } |
| 736 | EXPORT_SYMBOL(ath10k_core_create); |
| 737 | |
| 738 | void ath10k_core_destroy(struct ath10k *ar) |
| 739 | { |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 740 | ath10k_debug_destroy(ar); |
| 741 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 742 | flush_workqueue(ar->workqueue); |
| 743 | destroy_workqueue(ar->workqueue); |
| 744 | |
| 745 | ath10k_mac_destroy(ar); |
| 746 | } |
| 747 | EXPORT_SYMBOL(ath10k_core_destroy); |
| 748 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 749 | int ath10k_core_start(struct ath10k *ar) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 750 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 751 | int status; |
| 752 | |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 753 | lockdep_assert_held(&ar->conf_mutex); |
| 754 | |
Michal Kazior | 64d151d | 2013-07-16 09:38:53 +0200 | [diff] [blame] | 755 | ath10k_bmi_start(ar); |
| 756 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 757 | if (ath10k_init_configure_target(ar)) { |
| 758 | status = -EINVAL; |
| 759 | goto err; |
| 760 | } |
| 761 | |
| 762 | status = ath10k_init_download_firmware(ar); |
| 763 | if (status) |
| 764 | goto err; |
| 765 | |
| 766 | status = ath10k_init_uart(ar); |
| 767 | if (status) |
| 768 | goto err; |
| 769 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 770 | ar->htc.htc_ops.target_send_suspend_complete = |
| 771 | ath10k_send_suspend_complete; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 772 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 773 | status = ath10k_htc_init(ar); |
| 774 | if (status) { |
| 775 | ath10k_err("could not init HTC (%d)\n", status); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 776 | goto err; |
| 777 | } |
| 778 | |
| 779 | status = ath10k_bmi_done(ar); |
| 780 | if (status) |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 781 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 782 | |
| 783 | status = ath10k_wmi_attach(ar); |
| 784 | if (status) { |
| 785 | ath10k_err("WMI attach failed: %d\n", status); |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 786 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 787 | } |
| 788 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 789 | status = ath10k_htc_wait_target(&ar->htc); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 790 | if (status) |
| 791 | goto err_wmi_detach; |
| 792 | |
Michal Kazior | edb8236 | 2013-07-05 16:15:14 +0300 | [diff] [blame] | 793 | status = ath10k_htt_attach(ar); |
| 794 | if (status) { |
| 795 | ath10k_err("could not attach htt (%d)\n", status); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 796 | goto err_wmi_detach; |
| 797 | } |
| 798 | |
| 799 | status = ath10k_init_connect_htc(ar); |
| 800 | if (status) |
| 801 | goto err_htt_detach; |
| 802 | |
| 803 | ath10k_info("firmware %s booted\n", ar->hw->wiphy->fw_version); |
| 804 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 805 | status = ath10k_wmi_cmd_init(ar); |
| 806 | if (status) { |
| 807 | ath10k_err("could not send WMI init command (%d)\n", status); |
| 808 | goto err_disconnect_htc; |
| 809 | } |
| 810 | |
| 811 | status = ath10k_wmi_wait_for_unified_ready(ar); |
| 812 | if (status <= 0) { |
| 813 | ath10k_err("wmi unified ready event not received\n"); |
| 814 | status = -ETIMEDOUT; |
| 815 | goto err_disconnect_htc; |
| 816 | } |
| 817 | |
Michal Kazior | edb8236 | 2013-07-05 16:15:14 +0300 | [diff] [blame] | 818 | status = ath10k_htt_attach_target(&ar->htt); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 819 | if (status) |
| 820 | goto err_disconnect_htc; |
| 821 | |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 822 | status = ath10k_debug_start(ar); |
| 823 | if (status) |
| 824 | goto err_disconnect_htc; |
| 825 | |
Michal Kazior | 1a1b8a8 | 2013-07-16 09:38:55 +0200 | [diff] [blame] | 826 | ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; |
Michal Kazior | 0579119 | 2013-10-16 15:44:45 +0300 | [diff] [blame^] | 827 | INIT_LIST_HEAD(&ar->arvifs); |
Michal Kazior | 1a1b8a8 | 2013-07-16 09:38:55 +0200 | [diff] [blame] | 828 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 829 | return 0; |
| 830 | |
| 831 | err_disconnect_htc: |
| 832 | ath10k_htc_stop(&ar->htc); |
| 833 | err_htt_detach: |
| 834 | ath10k_htt_detach(&ar->htt); |
| 835 | err_wmi_detach: |
| 836 | ath10k_wmi_detach(ar); |
| 837 | err: |
| 838 | return status; |
| 839 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 840 | EXPORT_SYMBOL(ath10k_core_start); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 841 | |
| 842 | void ath10k_core_stop(struct ath10k *ar) |
| 843 | { |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 844 | lockdep_assert_held(&ar->conf_mutex); |
| 845 | |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 846 | ath10k_debug_stop(ar); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 847 | ath10k_htc_stop(&ar->htc); |
| 848 | ath10k_htt_detach(&ar->htt); |
| 849 | ath10k_wmi_detach(ar); |
| 850 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 851 | EXPORT_SYMBOL(ath10k_core_stop); |
| 852 | |
| 853 | /* mac80211 manages fw/hw initialization through start/stop hooks. However in |
| 854 | * order to know what hw capabilities should be advertised to mac80211 it is |
| 855 | * necessary to load the firmware (and tear it down immediately since start |
| 856 | * hook will try to init it again) before registering */ |
| 857 | static int ath10k_core_probe_fw(struct ath10k *ar) |
| 858 | { |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 859 | struct bmi_target_info target_info; |
| 860 | int ret = 0; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 861 | |
| 862 | ret = ath10k_hif_power_up(ar); |
| 863 | if (ret) { |
| 864 | ath10k_err("could not start pci hif (%d)\n", ret); |
| 865 | return ret; |
| 866 | } |
| 867 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 868 | memset(&target_info, 0, sizeof(target_info)); |
| 869 | ret = ath10k_bmi_get_target_info(ar, &target_info); |
| 870 | if (ret) { |
| 871 | ath10k_err("could not get target info (%d)\n", ret); |
| 872 | ath10k_hif_power_down(ar); |
| 873 | return ret; |
| 874 | } |
| 875 | |
| 876 | ar->target_version = target_info.version; |
| 877 | ar->hw->wiphy->hw_version = target_info.version; |
| 878 | |
| 879 | ret = ath10k_init_hw_params(ar); |
| 880 | if (ret) { |
| 881 | ath10k_err("could not get hw params (%d)\n", ret); |
| 882 | ath10k_hif_power_down(ar); |
| 883 | return ret; |
| 884 | } |
| 885 | |
| 886 | ret = ath10k_core_fetch_firmware_files(ar); |
| 887 | if (ret) { |
| 888 | ath10k_err("could not fetch firmware files (%d)\n", ret); |
| 889 | ath10k_hif_power_down(ar); |
| 890 | return ret; |
| 891 | } |
| 892 | |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 893 | mutex_lock(&ar->conf_mutex); |
| 894 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 895 | ret = ath10k_core_start(ar); |
| 896 | if (ret) { |
| 897 | ath10k_err("could not init core (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 898 | ath10k_core_free_firmware_files(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 899 | ath10k_hif_power_down(ar); |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 900 | mutex_unlock(&ar->conf_mutex); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 901 | return ret; |
| 902 | } |
| 903 | |
| 904 | ath10k_core_stop(ar); |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 905 | |
| 906 | mutex_unlock(&ar->conf_mutex); |
| 907 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 908 | ath10k_hif_power_down(ar); |
| 909 | return 0; |
| 910 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 911 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 912 | static int ath10k_core_check_chip_id(struct ath10k *ar) |
| 913 | { |
| 914 | u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV); |
| 915 | |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 916 | ath10k_dbg(ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n", |
| 917 | ar->chip_id, hw_revision); |
| 918 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 919 | /* Check that we are not using hw1.0 (some of them have same pci id |
| 920 | * as hw2.0) before doing anything else as ath10k crashes horribly |
| 921 | * due to missing hw1.0 workarounds. */ |
| 922 | switch (hw_revision) { |
| 923 | case QCA988X_HW_1_0_CHIP_ID_REV: |
| 924 | ath10k_err("ERROR: qca988x hw1.0 is not supported\n"); |
| 925 | return -EOPNOTSUPP; |
| 926 | |
| 927 | case QCA988X_HW_2_0_CHIP_ID_REV: |
| 928 | /* known hardware revision, continue normally */ |
| 929 | return 0; |
| 930 | |
| 931 | default: |
| 932 | ath10k_warn("Warning: hardware revision unknown (0x%x), expect problems\n", |
| 933 | ar->chip_id); |
| 934 | return 0; |
| 935 | } |
| 936 | |
| 937 | return 0; |
| 938 | } |
| 939 | |
| 940 | int ath10k_core_register(struct ath10k *ar, u32 chip_id) |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 941 | { |
| 942 | int status; |
| 943 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 944 | ar->chip_id = chip_id; |
| 945 | |
| 946 | status = ath10k_core_check_chip_id(ar); |
| 947 | if (status) { |
| 948 | ath10k_err("Unsupported chip id 0x%08x\n", ar->chip_id); |
| 949 | return status; |
| 950 | } |
| 951 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 952 | status = ath10k_core_probe_fw(ar); |
| 953 | if (status) { |
| 954 | ath10k_err("could not probe fw (%d)\n", status); |
| 955 | return status; |
| 956 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 957 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 958 | status = ath10k_mac_register(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 959 | if (status) { |
| 960 | ath10k_err("could not register to mac80211 (%d)\n", status); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 961 | goto err_release_fw; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 962 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 963 | |
| 964 | status = ath10k_debug_create(ar); |
| 965 | if (status) { |
| 966 | ath10k_err("unable to initialize debugfs\n"); |
| 967 | goto err_unregister_mac; |
| 968 | } |
| 969 | |
| 970 | return 0; |
| 971 | |
| 972 | err_unregister_mac: |
| 973 | ath10k_mac_unregister(ar); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 974 | err_release_fw: |
| 975 | ath10k_core_free_firmware_files(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 976 | return status; |
| 977 | } |
| 978 | EXPORT_SYMBOL(ath10k_core_register); |
| 979 | |
| 980 | void ath10k_core_unregister(struct ath10k *ar) |
| 981 | { |
| 982 | /* We must unregister from mac80211 before we stop HTC and HIF. |
| 983 | * Otherwise we will fail to submit commands to FW and mac80211 will be |
| 984 | * unhappy about callback failures. */ |
| 985 | ath10k_mac_unregister(ar); |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 986 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 987 | ath10k_core_free_firmware_files(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 988 | } |
| 989 | EXPORT_SYMBOL(ath10k_core_unregister); |
| 990 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 991 | MODULE_AUTHOR("Qualcomm Atheros"); |
| 992 | MODULE_DESCRIPTION("Core module for QCA988X PCIe devices."); |
| 993 | MODULE_LICENSE("Dual BSD/GPL"); |