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 | |
Marek Puzyniak | 9042e17 | 2014-02-10 17:14:23 +0100 | [diff] [blame] | 58 | complete(&ar->target_suspend); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 59 | } |
| 60 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 61 | static int ath10k_init_configure_target(struct ath10k *ar) |
| 62 | { |
| 63 | u32 param_host; |
| 64 | int ret; |
| 65 | |
| 66 | /* tell target which HTC version it is used*/ |
| 67 | ret = ath10k_bmi_write32(ar, hi_app_host_interest, |
| 68 | HTC_PROTOCOL_VERSION); |
| 69 | if (ret) { |
| 70 | ath10k_err("settings HTC version failed\n"); |
| 71 | return ret; |
| 72 | } |
| 73 | |
| 74 | /* set the firmware mode to STA/IBSS/AP */ |
| 75 | ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host); |
| 76 | if (ret) { |
| 77 | ath10k_err("setting firmware mode (1/2) failed\n"); |
| 78 | return ret; |
| 79 | } |
| 80 | |
| 81 | /* TODO following parameters need to be re-visited. */ |
| 82 | /* num_device */ |
| 83 | param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT); |
| 84 | /* Firmware mode */ |
| 85 | /* FIXME: Why FW_MODE_AP ??.*/ |
| 86 | param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT); |
| 87 | /* mac_addr_method */ |
| 88 | param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); |
| 89 | /* firmware_bridge */ |
| 90 | param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); |
| 91 | /* fwsubmode */ |
| 92 | param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT); |
| 93 | |
| 94 | ret = ath10k_bmi_write32(ar, hi_option_flag, param_host); |
| 95 | if (ret) { |
| 96 | ath10k_err("setting firmware mode (2/2) failed\n"); |
| 97 | return ret; |
| 98 | } |
| 99 | |
| 100 | /* We do all byte-swapping on the host */ |
| 101 | ret = ath10k_bmi_write32(ar, hi_be, 0); |
| 102 | if (ret) { |
| 103 | ath10k_err("setting host CPU BE mode failed\n"); |
| 104 | return ret; |
| 105 | } |
| 106 | |
| 107 | /* FW descriptor/Data swap flags */ |
| 108 | ret = ath10k_bmi_write32(ar, hi_fw_swap, 0); |
| 109 | |
| 110 | if (ret) { |
| 111 | ath10k_err("setting FW data/desc swap flags failed\n"); |
| 112 | return ret; |
| 113 | } |
| 114 | |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar, |
| 119 | const char *dir, |
| 120 | const char *file) |
| 121 | { |
| 122 | char filename[100]; |
| 123 | const struct firmware *fw; |
| 124 | int ret; |
| 125 | |
| 126 | if (file == NULL) |
| 127 | return ERR_PTR(-ENOENT); |
| 128 | |
| 129 | if (dir == NULL) |
| 130 | dir = "."; |
| 131 | |
| 132 | snprintf(filename, sizeof(filename), "%s/%s", dir, file); |
| 133 | ret = request_firmware(&fw, filename, ar->dev); |
| 134 | if (ret) |
| 135 | return ERR_PTR(ret); |
| 136 | |
| 137 | return fw; |
| 138 | } |
| 139 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 140 | static int ath10k_push_board_ext_data(struct ath10k *ar) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 141 | { |
| 142 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 143 | u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ; |
| 144 | u32 board_ext_data_addr; |
| 145 | int ret; |
| 146 | |
| 147 | ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr); |
| 148 | if (ret) { |
| 149 | ath10k_err("could not read board ext data addr (%d)\n", ret); |
| 150 | return ret; |
| 151 | } |
| 152 | |
Kalle Valo | b52b768 | 2013-09-08 17:55:38 +0300 | [diff] [blame] | 153 | ath10k_dbg(ATH10K_DBG_BOOT, |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 154 | "boot push board extended data addr 0x%x\n", |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 155 | board_ext_data_addr); |
| 156 | |
| 157 | if (board_ext_data_addr == 0) |
| 158 | return 0; |
| 159 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 160 | if (ar->board_len != (board_data_size + board_ext_data_size)) { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 161 | ath10k_err("invalid board (ext) data sizes %zu != %d+%d\n", |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 162 | ar->board_len, board_data_size, board_ext_data_size); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 163 | return -EINVAL; |
| 164 | } |
| 165 | |
| 166 | ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 167 | ar->board_data + board_data_size, |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 168 | board_ext_data_size); |
| 169 | if (ret) { |
| 170 | ath10k_err("could not write board ext data (%d)\n", ret); |
| 171 | return ret; |
| 172 | } |
| 173 | |
| 174 | ret = ath10k_bmi_write32(ar, hi_board_ext_data_config, |
| 175 | (board_ext_data_size << 16) | 1); |
| 176 | if (ret) { |
| 177 | ath10k_err("could not write board ext data bit (%d)\n", ret); |
| 178 | return ret; |
| 179 | } |
| 180 | |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | static int ath10k_download_board_data(struct ath10k *ar) |
| 185 | { |
| 186 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 187 | u32 address; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 188 | int ret; |
| 189 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 190 | ret = ath10k_push_board_ext_data(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 191 | if (ret) { |
| 192 | ath10k_err("could not push board ext data (%d)\n", ret); |
| 193 | goto exit; |
| 194 | } |
| 195 | |
| 196 | ret = ath10k_bmi_read32(ar, hi_board_data, &address); |
| 197 | if (ret) { |
| 198 | ath10k_err("could not read board data addr (%d)\n", ret); |
| 199 | goto exit; |
| 200 | } |
| 201 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 202 | ret = ath10k_bmi_write_memory(ar, address, ar->board_data, |
| 203 | min_t(u32, board_data_size, |
| 204 | ar->board_len)); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 205 | if (ret) { |
| 206 | ath10k_err("could not write board data (%d)\n", ret); |
| 207 | goto exit; |
| 208 | } |
| 209 | |
| 210 | ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1); |
| 211 | if (ret) { |
| 212 | ath10k_err("could not write board data bit (%d)\n", ret); |
| 213 | goto exit; |
| 214 | } |
| 215 | |
| 216 | exit: |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 217 | return ret; |
| 218 | } |
| 219 | |
| 220 | static int ath10k_download_and_run_otp(struct ath10k *ar) |
| 221 | { |
Kalle Valo | d6d4a58 | 2014-03-11 17:33:19 +0200 | [diff] [blame] | 222 | u32 result, address = ar->hw_params.patch_load_addr; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 223 | int ret; |
| 224 | |
| 225 | /* OTP is optional */ |
| 226 | |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 227 | if (!ar->otp_data || !ar->otp_len) { |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 228 | ath10k_warn("Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n", |
| 229 | ar->otp_data, ar->otp_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 230 | return 0; |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | ath10k_dbg(ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n", |
| 234 | address, ar->otp_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 235 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 236 | 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] | 237 | if (ret) { |
| 238 | ath10k_err("could not write otp (%d)\n", ret); |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 239 | return ret; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 240 | } |
| 241 | |
Kalle Valo | d6d4a58 | 2014-03-11 17:33:19 +0200 | [diff] [blame] | 242 | ret = ath10k_bmi_execute(ar, address, 0, &result); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 243 | if (ret) { |
| 244 | ath10k_err("could not execute otp (%d)\n", ret); |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 245 | return ret; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 246 | } |
| 247 | |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 248 | ath10k_dbg(ATH10K_DBG_BOOT, "boot otp execute result %d\n", result); |
| 249 | |
| 250 | if (result != 0) { |
| 251 | ath10k_err("otp calibration failed: %d", result); |
| 252 | return -EINVAL; |
| 253 | } |
| 254 | |
| 255 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | static int ath10k_download_fw(struct ath10k *ar) |
| 259 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 260 | u32 address; |
| 261 | int ret; |
| 262 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 263 | address = ar->hw_params.patch_load_addr; |
| 264 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 265 | ret = ath10k_bmi_fast_download(ar, address, ar->firmware_data, |
| 266 | ar->firmware_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 267 | if (ret) { |
| 268 | ath10k_err("could not write fw (%d)\n", ret); |
| 269 | goto exit; |
| 270 | } |
| 271 | |
| 272 | exit: |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 273 | return ret; |
| 274 | } |
| 275 | |
| 276 | static void ath10k_core_free_firmware_files(struct ath10k *ar) |
| 277 | { |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 278 | if (ar->board && !IS_ERR(ar->board)) |
| 279 | release_firmware(ar->board); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 280 | |
| 281 | if (ar->otp && !IS_ERR(ar->otp)) |
| 282 | release_firmware(ar->otp); |
| 283 | |
| 284 | if (ar->firmware && !IS_ERR(ar->firmware)) |
| 285 | release_firmware(ar->firmware); |
| 286 | |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 287 | ar->board = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 288 | ar->board_data = NULL; |
| 289 | ar->board_len = 0; |
| 290 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 291 | ar->otp = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 292 | ar->otp_data = NULL; |
| 293 | ar->otp_len = 0; |
| 294 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 295 | ar->firmware = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 296 | ar->firmware_data = NULL; |
| 297 | ar->firmware_len = 0; |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 298 | } |
| 299 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 300 | static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar) |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 301 | { |
| 302 | int ret = 0; |
| 303 | |
| 304 | if (ar->hw_params.fw.fw == NULL) { |
| 305 | ath10k_err("firmware file not defined\n"); |
| 306 | return -EINVAL; |
| 307 | } |
| 308 | |
| 309 | if (ar->hw_params.fw.board == NULL) { |
| 310 | ath10k_err("board data file not defined"); |
| 311 | return -EINVAL; |
| 312 | } |
| 313 | |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 314 | ar->board = ath10k_fetch_fw_file(ar, |
| 315 | ar->hw_params.fw.dir, |
| 316 | ar->hw_params.fw.board); |
| 317 | if (IS_ERR(ar->board)) { |
| 318 | ret = PTR_ERR(ar->board); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 319 | ath10k_err("could not fetch board data (%d)\n", ret); |
| 320 | goto err; |
| 321 | } |
| 322 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 323 | ar->board_data = ar->board->data; |
| 324 | ar->board_len = ar->board->size; |
| 325 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 326 | ar->firmware = ath10k_fetch_fw_file(ar, |
| 327 | ar->hw_params.fw.dir, |
| 328 | ar->hw_params.fw.fw); |
| 329 | if (IS_ERR(ar->firmware)) { |
| 330 | ret = PTR_ERR(ar->firmware); |
| 331 | ath10k_err("could not fetch firmware (%d)\n", ret); |
| 332 | goto err; |
| 333 | } |
| 334 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 335 | ar->firmware_data = ar->firmware->data; |
| 336 | ar->firmware_len = ar->firmware->size; |
| 337 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 338 | /* OTP may be undefined. If so, don't fetch it at all */ |
| 339 | if (ar->hw_params.fw.otp == NULL) |
| 340 | return 0; |
| 341 | |
| 342 | ar->otp = ath10k_fetch_fw_file(ar, |
| 343 | ar->hw_params.fw.dir, |
| 344 | ar->hw_params.fw.otp); |
| 345 | if (IS_ERR(ar->otp)) { |
| 346 | ret = PTR_ERR(ar->otp); |
| 347 | ath10k_err("could not fetch otp (%d)\n", ret); |
| 348 | goto err; |
| 349 | } |
| 350 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 351 | ar->otp_data = ar->otp->data; |
| 352 | ar->otp_len = ar->otp->size; |
| 353 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 354 | return 0; |
| 355 | |
| 356 | err: |
| 357 | ath10k_core_free_firmware_files(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 358 | return ret; |
| 359 | } |
| 360 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 361 | static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name) |
| 362 | { |
| 363 | size_t magic_len, len, ie_len; |
| 364 | int ie_id, i, index, bit, ret; |
| 365 | struct ath10k_fw_ie *hdr; |
| 366 | const u8 *data; |
| 367 | __le32 *timestamp; |
| 368 | |
| 369 | /* first fetch the firmware file (firmware-*.bin) */ |
| 370 | ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name); |
| 371 | if (IS_ERR(ar->firmware)) { |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 372 | ath10k_err("could not fetch firmware file '%s/%s': %ld\n", |
| 373 | ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware)); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 374 | return PTR_ERR(ar->firmware); |
| 375 | } |
| 376 | |
| 377 | data = ar->firmware->data; |
| 378 | len = ar->firmware->size; |
| 379 | |
| 380 | /* magic also includes the null byte, check that as well */ |
| 381 | magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; |
| 382 | |
| 383 | if (len < magic_len) { |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 384 | ath10k_err("firmware file '%s/%s' too small to contain magic: %zu\n", |
| 385 | ar->hw_params.fw.dir, name, len); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 386 | ret = -EINVAL; |
| 387 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 391 | ath10k_err("invalid firmware magic\n"); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 392 | ret = -EINVAL; |
| 393 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | /* jump over the padding */ |
| 397 | magic_len = ALIGN(magic_len, 4); |
| 398 | |
| 399 | len -= magic_len; |
| 400 | data += magic_len; |
| 401 | |
| 402 | /* loop elements */ |
| 403 | while (len > sizeof(struct ath10k_fw_ie)) { |
| 404 | hdr = (struct ath10k_fw_ie *)data; |
| 405 | |
| 406 | ie_id = le32_to_cpu(hdr->id); |
| 407 | ie_len = le32_to_cpu(hdr->len); |
| 408 | |
| 409 | len -= sizeof(*hdr); |
| 410 | data += sizeof(*hdr); |
| 411 | |
| 412 | if (len < ie_len) { |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 413 | ath10k_err("invalid length for FW IE %d (%zu < %zu)\n", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 414 | ie_id, len, ie_len); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 415 | ret = -EINVAL; |
| 416 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | switch (ie_id) { |
| 420 | case ATH10K_FW_IE_FW_VERSION: |
| 421 | if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1) |
| 422 | break; |
| 423 | |
| 424 | memcpy(ar->hw->wiphy->fw_version, data, ie_len); |
| 425 | ar->hw->wiphy->fw_version[ie_len] = '\0'; |
| 426 | |
| 427 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 428 | "found fw version %s\n", |
| 429 | ar->hw->wiphy->fw_version); |
| 430 | break; |
| 431 | case ATH10K_FW_IE_TIMESTAMP: |
| 432 | if (ie_len != sizeof(u32)) |
| 433 | break; |
| 434 | |
| 435 | timestamp = (__le32 *)data; |
| 436 | |
| 437 | ath10k_dbg(ATH10K_DBG_BOOT, "found fw timestamp %d\n", |
| 438 | le32_to_cpup(timestamp)); |
| 439 | break; |
| 440 | case ATH10K_FW_IE_FEATURES: |
| 441 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 442 | "found firmware features ie (%zd B)\n", |
| 443 | ie_len); |
| 444 | |
| 445 | for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { |
| 446 | index = i / 8; |
| 447 | bit = i % 8; |
| 448 | |
| 449 | if (index == ie_len) |
| 450 | break; |
| 451 | |
Ben Greear | f591a1a | 2014-02-04 19:51:38 +0200 | [diff] [blame] | 452 | if (data[index] & (1 << bit)) { |
| 453 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 454 | "Enabling feature bit: %i\n", |
| 455 | i); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 456 | __set_bit(i, ar->fw_features); |
Ben Greear | f591a1a | 2014-02-04 19:51:38 +0200 | [diff] [blame] | 457 | } |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | ath10k_dbg_dump(ATH10K_DBG_BOOT, "features", "", |
| 461 | ar->fw_features, |
| 462 | sizeof(ar->fw_features)); |
| 463 | break; |
| 464 | case ATH10K_FW_IE_FW_IMAGE: |
| 465 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 466 | "found fw image ie (%zd B)\n", |
| 467 | ie_len); |
| 468 | |
| 469 | ar->firmware_data = data; |
| 470 | ar->firmware_len = ie_len; |
| 471 | |
| 472 | break; |
| 473 | case ATH10K_FW_IE_OTP_IMAGE: |
| 474 | ath10k_dbg(ATH10K_DBG_BOOT, |
| 475 | "found otp image ie (%zd B)\n", |
| 476 | ie_len); |
| 477 | |
| 478 | ar->otp_data = data; |
| 479 | ar->otp_len = ie_len; |
| 480 | |
| 481 | break; |
| 482 | default: |
| 483 | ath10k_warn("Unknown FW IE: %u\n", |
| 484 | le32_to_cpu(hdr->id)); |
| 485 | break; |
| 486 | } |
| 487 | |
| 488 | /* jump over the padding */ |
| 489 | ie_len = ALIGN(ie_len, 4); |
| 490 | |
| 491 | len -= ie_len; |
| 492 | data += ie_len; |
Fengguang Wu | e05634e | 2013-10-08 21:48:15 +0300 | [diff] [blame] | 493 | } |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 494 | |
| 495 | if (!ar->firmware_data || !ar->firmware_len) { |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 496 | ath10k_warn("No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n", |
| 497 | ar->hw_params.fw.dir, name); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 498 | ret = -ENOMEDIUM; |
| 499 | goto err; |
| 500 | } |
| 501 | |
Michal Kazior | 24c88f7 | 2014-07-25 13:32:17 +0200 | [diff] [blame] | 502 | if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) && |
| 503 | !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { |
| 504 | ath10k_err("feature bits corrupted: 10.2 feature requires 10.x feature to be set as well"); |
| 505 | ret = -EINVAL; |
| 506 | goto err; |
| 507 | } |
| 508 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 509 | /* now fetch the board file */ |
| 510 | if (ar->hw_params.fw.board == NULL) { |
| 511 | ath10k_err("board data file not defined"); |
| 512 | ret = -EINVAL; |
| 513 | goto err; |
| 514 | } |
| 515 | |
| 516 | ar->board = ath10k_fetch_fw_file(ar, |
| 517 | ar->hw_params.fw.dir, |
| 518 | ar->hw_params.fw.board); |
| 519 | if (IS_ERR(ar->board)) { |
| 520 | ret = PTR_ERR(ar->board); |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 521 | ath10k_err("could not fetch board data '%s/%s' (%d)\n", |
| 522 | ar->hw_params.fw.dir, ar->hw_params.fw.board, |
| 523 | ret); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 524 | goto err; |
| 525 | } |
| 526 | |
| 527 | ar->board_data = ar->board->data; |
| 528 | ar->board_len = ar->board->size; |
| 529 | |
| 530 | return 0; |
| 531 | |
| 532 | err: |
| 533 | ath10k_core_free_firmware_files(ar); |
| 534 | return ret; |
| 535 | } |
| 536 | |
| 537 | static int ath10k_core_fetch_firmware_files(struct ath10k *ar) |
| 538 | { |
| 539 | int ret; |
| 540 | |
Michal Kazior | 24c88f7 | 2014-07-25 13:32:17 +0200 | [diff] [blame] | 541 | ar->fw_api = 3; |
| 542 | ath10k_dbg(ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); |
| 543 | |
| 544 | ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE); |
| 545 | if (ret == 0) |
| 546 | goto success; |
| 547 | |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 548 | ar->fw_api = 2; |
| 549 | ath10k_dbg(ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); |
| 550 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 551 | ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE); |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 552 | if (ret == 0) |
| 553 | goto success; |
| 554 | |
| 555 | ar->fw_api = 1; |
| 556 | ath10k_dbg(ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 557 | |
| 558 | ret = ath10k_core_fetch_firmware_api_1(ar); |
| 559 | if (ret) |
| 560 | return ret; |
| 561 | |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 562 | success: |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 563 | ath10k_dbg(ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api); |
| 564 | |
| 565 | return 0; |
| 566 | } |
| 567 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 568 | static int ath10k_init_download_firmware(struct ath10k *ar) |
| 569 | { |
| 570 | int ret; |
| 571 | |
| 572 | ret = ath10k_download_board_data(ar); |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 573 | if (ret) { |
| 574 | ath10k_err("failed to download board data: %d\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 575 | return ret; |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 576 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 577 | |
| 578 | ret = ath10k_download_and_run_otp(ar); |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 579 | if (ret) { |
| 580 | ath10k_err("failed to run otp: %d\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 581 | return ret; |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 582 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 583 | |
| 584 | ret = ath10k_download_fw(ar); |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 585 | if (ret) { |
| 586 | ath10k_err("failed to download firmware: %d\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 587 | return ret; |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 588 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 589 | |
| 590 | return ret; |
| 591 | } |
| 592 | |
| 593 | static int ath10k_init_uart(struct ath10k *ar) |
| 594 | { |
| 595 | int ret; |
| 596 | |
| 597 | /* |
| 598 | * Explicitly setting UART prints to zero as target turns it on |
| 599 | * based on scratch registers. |
| 600 | */ |
| 601 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 0); |
| 602 | if (ret) { |
| 603 | ath10k_warn("could not disable UART prints (%d)\n", ret); |
| 604 | return ret; |
| 605 | } |
| 606 | |
Kalle Valo | c8c39af | 2013-11-20 10:00:41 +0200 | [diff] [blame] | 607 | if (!uart_print) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 608 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 609 | |
| 610 | ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7); |
| 611 | if (ret) { |
| 612 | ath10k_warn("could not enable UART prints (%d)\n", ret); |
| 613 | return ret; |
| 614 | } |
| 615 | |
| 616 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 1); |
| 617 | if (ret) { |
| 618 | ath10k_warn("could not enable UART prints (%d)\n", ret); |
| 619 | return ret; |
| 620 | } |
| 621 | |
Bartosz Markowski | 03fc137 | 2013-09-03 14:24:02 +0200 | [diff] [blame] | 622 | /* Set the UART baud rate to 19200. */ |
| 623 | ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200); |
| 624 | if (ret) { |
| 625 | ath10k_warn("could not set the baud rate (%d)\n", ret); |
| 626 | return ret; |
| 627 | } |
| 628 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 629 | ath10k_info("UART prints enabled\n"); |
| 630 | return 0; |
| 631 | } |
| 632 | |
| 633 | static int ath10k_init_hw_params(struct ath10k *ar) |
| 634 | { |
| 635 | const struct ath10k_hw_params *uninitialized_var(hw_params); |
| 636 | int i; |
| 637 | |
| 638 | for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { |
| 639 | hw_params = &ath10k_hw_params_list[i]; |
| 640 | |
| 641 | if (hw_params->id == ar->target_version) |
| 642 | break; |
| 643 | } |
| 644 | |
| 645 | if (i == ARRAY_SIZE(ath10k_hw_params_list)) { |
| 646 | ath10k_err("Unsupported hardware version: 0x%x\n", |
| 647 | ar->target_version); |
| 648 | return -EINVAL; |
| 649 | } |
| 650 | |
| 651 | ar->hw_params = *hw_params; |
| 652 | |
Kalle Valo | c8c39af | 2013-11-20 10:00:41 +0200 | [diff] [blame] | 653 | ath10k_dbg(ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n", |
| 654 | ar->hw_params.name, ar->target_version); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 655 | |
| 656 | return 0; |
| 657 | } |
| 658 | |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 659 | static void ath10k_core_restart(struct work_struct *work) |
| 660 | { |
| 661 | struct ath10k *ar = container_of(work, struct ath10k, restart_work); |
| 662 | |
| 663 | mutex_lock(&ar->conf_mutex); |
| 664 | |
| 665 | switch (ar->state) { |
| 666 | case ATH10K_STATE_ON: |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 667 | ar->state = ATH10K_STATE_RESTARTING; |
Michal Kazior | 61e9aab | 2014-08-22 14:33:18 +0200 | [diff] [blame^] | 668 | ath10k_hif_stop(ar); |
Michal Kazior | 5c81c7f | 2014-08-05 14:54:44 +0200 | [diff] [blame] | 669 | ath10k_scan_finish(ar); |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 670 | ieee80211_restart_hw(ar->hw); |
| 671 | break; |
| 672 | case ATH10K_STATE_OFF: |
Michal Kazior | 5e90de8 | 2013-10-16 16:46:05 +0300 | [diff] [blame] | 673 | /* this can happen if driver is being unloaded |
| 674 | * or if the crash happens during FW probing */ |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 675 | ath10k_warn("cannot restart a device that hasn't been started\n"); |
| 676 | break; |
| 677 | case ATH10K_STATE_RESTARTING: |
Michal Kazior | c5058f5 | 2014-05-26 12:46:03 +0300 | [diff] [blame] | 678 | /* hw restart might be requested from multiple places */ |
| 679 | break; |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 680 | case ATH10K_STATE_RESTARTED: |
| 681 | ar->state = ATH10K_STATE_WEDGED; |
| 682 | /* fall through */ |
| 683 | case ATH10K_STATE_WEDGED: |
| 684 | ath10k_warn("device is wedged, will not restart\n"); |
| 685 | break; |
| 686 | } |
| 687 | |
| 688 | mutex_unlock(&ar->conf_mutex); |
| 689 | } |
| 690 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 691 | int ath10k_core_start(struct ath10k *ar) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 692 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 693 | int status; |
| 694 | |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 695 | lockdep_assert_held(&ar->conf_mutex); |
| 696 | |
Michal Kazior | 64d151d | 2013-07-16 09:38:53 +0200 | [diff] [blame] | 697 | ath10k_bmi_start(ar); |
| 698 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 699 | if (ath10k_init_configure_target(ar)) { |
| 700 | status = -EINVAL; |
| 701 | goto err; |
| 702 | } |
| 703 | |
| 704 | status = ath10k_init_download_firmware(ar); |
| 705 | if (status) |
| 706 | goto err; |
| 707 | |
| 708 | status = ath10k_init_uart(ar); |
| 709 | if (status) |
| 710 | goto err; |
| 711 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 712 | ar->htc.htc_ops.target_send_suspend_complete = |
| 713 | ath10k_send_suspend_complete; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 714 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 715 | status = ath10k_htc_init(ar); |
| 716 | if (status) { |
| 717 | ath10k_err("could not init HTC (%d)\n", status); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 718 | goto err; |
| 719 | } |
| 720 | |
| 721 | status = ath10k_bmi_done(ar); |
| 722 | if (status) |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 723 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 724 | |
| 725 | status = ath10k_wmi_attach(ar); |
| 726 | if (status) { |
| 727 | ath10k_err("WMI attach failed: %d\n", status); |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 728 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 729 | } |
| 730 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 731 | status = ath10k_htt_init(ar); |
| 732 | if (status) { |
| 733 | ath10k_err("failed to init htt: %d\n", status); |
| 734 | goto err_wmi_detach; |
| 735 | } |
| 736 | |
| 737 | status = ath10k_htt_tx_alloc(&ar->htt); |
| 738 | if (status) { |
| 739 | ath10k_err("failed to alloc htt tx: %d\n", status); |
| 740 | goto err_wmi_detach; |
| 741 | } |
| 742 | |
| 743 | status = ath10k_htt_rx_alloc(&ar->htt); |
| 744 | if (status) { |
| 745 | ath10k_err("failed to alloc htt rx: %d\n", status); |
| 746 | goto err_htt_tx_detach; |
| 747 | } |
| 748 | |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 749 | status = ath10k_hif_start(ar); |
| 750 | if (status) { |
| 751 | ath10k_err("could not start HIF: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 752 | goto err_htt_rx_detach; |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 753 | } |
| 754 | |
| 755 | status = ath10k_htc_wait_target(&ar->htc); |
| 756 | if (status) { |
| 757 | ath10k_err("failed to connect to HTC: %d\n", status); |
| 758 | goto err_hif_stop; |
| 759 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 760 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 761 | status = ath10k_htt_connect(&ar->htt); |
Michal Kazior | edb8236 | 2013-07-05 16:15:14 +0300 | [diff] [blame] | 762 | if (status) { |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 763 | ath10k_err("failed to connect htt (%d)\n", status); |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 764 | goto err_hif_stop; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 765 | } |
| 766 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 767 | status = ath10k_wmi_connect(ar); |
| 768 | if (status) { |
| 769 | ath10k_err("could not connect wmi: %d\n", status); |
| 770 | goto err_hif_stop; |
| 771 | } |
| 772 | |
| 773 | status = ath10k_htc_start(&ar->htc); |
| 774 | if (status) { |
| 775 | ath10k_err("failed to start htc: %d\n", status); |
| 776 | goto err_hif_stop; |
| 777 | } |
| 778 | |
| 779 | status = ath10k_wmi_wait_for_service_ready(ar); |
| 780 | if (status <= 0) { |
| 781 | ath10k_warn("wmi service ready event not received"); |
| 782 | status = -ETIMEDOUT; |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 783 | goto err_hif_stop; |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 784 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 785 | |
Kalle Valo | c8c39af | 2013-11-20 10:00:41 +0200 | [diff] [blame] | 786 | ath10k_dbg(ATH10K_DBG_BOOT, "firmware %s booted\n", |
| 787 | ar->hw->wiphy->fw_version); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 788 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 789 | status = ath10k_wmi_cmd_init(ar); |
| 790 | if (status) { |
| 791 | ath10k_err("could not send WMI init command (%d)\n", status); |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 792 | goto err_hif_stop; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | status = ath10k_wmi_wait_for_unified_ready(ar); |
| 796 | if (status <= 0) { |
| 797 | ath10k_err("wmi unified ready event not received\n"); |
| 798 | status = -ETIMEDOUT; |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 799 | goto err_hif_stop; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 800 | } |
| 801 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 802 | status = ath10k_htt_setup(&ar->htt); |
| 803 | if (status) { |
| 804 | ath10k_err("failed to setup htt: %d\n", status); |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 805 | goto err_hif_stop; |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 806 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 807 | |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 808 | status = ath10k_debug_start(ar); |
| 809 | if (status) |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 810 | goto err_hif_stop; |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 811 | |
Bartosz Markowski | dfa413d | 2014-06-02 21:19:45 +0300 | [diff] [blame] | 812 | if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) |
| 813 | ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1; |
| 814 | else |
| 815 | ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; |
| 816 | |
Michal Kazior | 0579119 | 2013-10-16 15:44:45 +0300 | [diff] [blame] | 817 | INIT_LIST_HEAD(&ar->arvifs); |
Michal Kazior | 1a1b8a8 | 2013-07-16 09:38:55 +0200 | [diff] [blame] | 818 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 819 | return 0; |
| 820 | |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 821 | err_hif_stop: |
| 822 | ath10k_hif_stop(ar); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 823 | err_htt_rx_detach: |
| 824 | ath10k_htt_rx_free(&ar->htt); |
| 825 | err_htt_tx_detach: |
| 826 | ath10k_htt_tx_free(&ar->htt); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 827 | err_wmi_detach: |
| 828 | ath10k_wmi_detach(ar); |
| 829 | err: |
| 830 | return status; |
| 831 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 832 | EXPORT_SYMBOL(ath10k_core_start); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 833 | |
Marek Puzyniak | 00f5482 | 2014-02-10 17:14:24 +0100 | [diff] [blame] | 834 | int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt) |
| 835 | { |
| 836 | int ret; |
| 837 | |
| 838 | reinit_completion(&ar->target_suspend); |
| 839 | |
| 840 | ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt); |
| 841 | if (ret) { |
| 842 | ath10k_warn("could not suspend target (%d)\n", ret); |
| 843 | return ret; |
| 844 | } |
| 845 | |
| 846 | ret = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ); |
| 847 | |
| 848 | if (ret == 0) { |
| 849 | ath10k_warn("suspend timed out - target pause event never came\n"); |
| 850 | return -ETIMEDOUT; |
| 851 | } |
| 852 | |
| 853 | return 0; |
| 854 | } |
| 855 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 856 | void ath10k_core_stop(struct ath10k *ar) |
| 857 | { |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 858 | lockdep_assert_held(&ar->conf_mutex); |
| 859 | |
Marek Puzyniak | 00f5482 | 2014-02-10 17:14:24 +0100 | [diff] [blame] | 860 | /* try to suspend target */ |
Michal Kazior | 216a183 | 2014-04-23 19:30:04 +0300 | [diff] [blame] | 861 | if (ar->state != ATH10K_STATE_RESTARTING) |
| 862 | ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR); |
| 863 | |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 864 | ath10k_debug_stop(ar); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 865 | ath10k_hif_stop(ar); |
| 866 | ath10k_htt_tx_free(&ar->htt); |
| 867 | ath10k_htt_rx_free(&ar->htt); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 868 | ath10k_wmi_detach(ar); |
| 869 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 870 | EXPORT_SYMBOL(ath10k_core_stop); |
| 871 | |
| 872 | /* mac80211 manages fw/hw initialization through start/stop hooks. However in |
| 873 | * order to know what hw capabilities should be advertised to mac80211 it is |
| 874 | * necessary to load the firmware (and tear it down immediately since start |
| 875 | * hook will try to init it again) before registering */ |
| 876 | static int ath10k_core_probe_fw(struct ath10k *ar) |
| 877 | { |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 878 | struct bmi_target_info target_info; |
| 879 | int ret = 0; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 880 | |
| 881 | ret = ath10k_hif_power_up(ar); |
| 882 | if (ret) { |
| 883 | ath10k_err("could not start pci hif (%d)\n", ret); |
| 884 | return ret; |
| 885 | } |
| 886 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 887 | memset(&target_info, 0, sizeof(target_info)); |
| 888 | ret = ath10k_bmi_get_target_info(ar, &target_info); |
| 889 | if (ret) { |
| 890 | ath10k_err("could not get target info (%d)\n", ret); |
| 891 | ath10k_hif_power_down(ar); |
| 892 | return ret; |
| 893 | } |
| 894 | |
| 895 | ar->target_version = target_info.version; |
| 896 | ar->hw->wiphy->hw_version = target_info.version; |
| 897 | |
| 898 | ret = ath10k_init_hw_params(ar); |
| 899 | if (ret) { |
| 900 | ath10k_err("could not get hw params (%d)\n", ret); |
| 901 | ath10k_hif_power_down(ar); |
| 902 | return ret; |
| 903 | } |
| 904 | |
| 905 | ret = ath10k_core_fetch_firmware_files(ar); |
| 906 | if (ret) { |
| 907 | ath10k_err("could not fetch firmware files (%d)\n", ret); |
| 908 | ath10k_hif_power_down(ar); |
| 909 | return ret; |
| 910 | } |
| 911 | |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 912 | mutex_lock(&ar->conf_mutex); |
| 913 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 914 | ret = ath10k_core_start(ar); |
| 915 | if (ret) { |
| 916 | ath10k_err("could not init core (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 917 | ath10k_core_free_firmware_files(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 918 | ath10k_hif_power_down(ar); |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 919 | mutex_unlock(&ar->conf_mutex); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 920 | return ret; |
| 921 | } |
| 922 | |
Michal Kazior | 8079de0 | 2014-08-22 14:23:29 +0200 | [diff] [blame] | 923 | ath10k_print_driver_info(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 924 | ath10k_core_stop(ar); |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 925 | |
| 926 | mutex_unlock(&ar->conf_mutex); |
| 927 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 928 | ath10k_hif_power_down(ar); |
| 929 | return 0; |
| 930 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 931 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 932 | static int ath10k_core_check_chip_id(struct ath10k *ar) |
| 933 | { |
| 934 | u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV); |
| 935 | |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 936 | ath10k_dbg(ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n", |
| 937 | ar->chip_id, hw_revision); |
| 938 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 939 | /* Check that we are not using hw1.0 (some of them have same pci id |
| 940 | * as hw2.0) before doing anything else as ath10k crashes horribly |
| 941 | * due to missing hw1.0 workarounds. */ |
| 942 | switch (hw_revision) { |
| 943 | case QCA988X_HW_1_0_CHIP_ID_REV: |
| 944 | ath10k_err("ERROR: qca988x hw1.0 is not supported\n"); |
| 945 | return -EOPNOTSUPP; |
| 946 | |
| 947 | case QCA988X_HW_2_0_CHIP_ID_REV: |
| 948 | /* known hardware revision, continue normally */ |
| 949 | return 0; |
| 950 | |
| 951 | default: |
| 952 | ath10k_warn("Warning: hardware revision unknown (0x%x), expect problems\n", |
| 953 | ar->chip_id); |
| 954 | return 0; |
| 955 | } |
| 956 | |
| 957 | return 0; |
| 958 | } |
| 959 | |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 960 | static void ath10k_core_register_work(struct work_struct *work) |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 961 | { |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 962 | struct ath10k *ar = container_of(work, struct ath10k, register_work); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 963 | int status; |
| 964 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 965 | status = ath10k_core_probe_fw(ar); |
| 966 | if (status) { |
| 967 | ath10k_err("could not probe fw (%d)\n", status); |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 968 | goto err; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 969 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 970 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 971 | status = ath10k_mac_register(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 972 | if (status) { |
| 973 | ath10k_err("could not register to mac80211 (%d)\n", status); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 974 | goto err_release_fw; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 975 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 976 | |
| 977 | status = ath10k_debug_create(ar); |
| 978 | if (status) { |
| 979 | ath10k_err("unable to initialize debugfs\n"); |
| 980 | goto err_unregister_mac; |
| 981 | } |
| 982 | |
Simon Wunderlich | 855aed1 | 2014-08-02 09:12:54 +0300 | [diff] [blame] | 983 | status = ath10k_spectral_create(ar); |
| 984 | if (status) { |
| 985 | ath10k_err("failed to initialize spectral\n"); |
| 986 | goto err_debug_destroy; |
| 987 | } |
| 988 | |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 989 | set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags); |
| 990 | return; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 991 | |
Simon Wunderlich | 855aed1 | 2014-08-02 09:12:54 +0300 | [diff] [blame] | 992 | err_debug_destroy: |
| 993 | ath10k_debug_destroy(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 994 | err_unregister_mac: |
| 995 | ath10k_mac_unregister(ar); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 996 | err_release_fw: |
| 997 | ath10k_core_free_firmware_files(ar); |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 998 | err: |
Michal Kazior | a491a92 | 2014-07-14 16:07:29 +0300 | [diff] [blame] | 999 | /* TODO: It's probably a good idea to release device from the driver |
| 1000 | * but calling device_release_driver() here will cause a deadlock. |
| 1001 | */ |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1002 | return; |
| 1003 | } |
| 1004 | |
| 1005 | int ath10k_core_register(struct ath10k *ar, u32 chip_id) |
| 1006 | { |
| 1007 | int status; |
| 1008 | |
| 1009 | ar->chip_id = chip_id; |
| 1010 | |
| 1011 | status = ath10k_core_check_chip_id(ar); |
| 1012 | if (status) { |
| 1013 | ath10k_err("Unsupported chip id 0x%08x\n", ar->chip_id); |
| 1014 | return status; |
| 1015 | } |
| 1016 | |
| 1017 | queue_work(ar->workqueue, &ar->register_work); |
| 1018 | |
| 1019 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1020 | } |
| 1021 | EXPORT_SYMBOL(ath10k_core_register); |
| 1022 | |
| 1023 | void ath10k_core_unregister(struct ath10k *ar) |
| 1024 | { |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1025 | cancel_work_sync(&ar->register_work); |
| 1026 | |
| 1027 | if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags)) |
| 1028 | return; |
| 1029 | |
Simon Wunderlich | 804eef147 | 2014-08-12 17:12:17 +0200 | [diff] [blame] | 1030 | /* Stop spectral before unregistering from mac80211 to remove the |
| 1031 | * relayfs debugfs file cleanly. Otherwise the parent debugfs tree |
| 1032 | * would be already be free'd recursively, leading to a double free. |
| 1033 | */ |
| 1034 | ath10k_spectral_destroy(ar); |
| 1035 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1036 | /* We must unregister from mac80211 before we stop HTC and HIF. |
| 1037 | * Otherwise we will fail to submit commands to FW and mac80211 will be |
| 1038 | * unhappy about callback failures. */ |
| 1039 | ath10k_mac_unregister(ar); |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 1040 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 1041 | ath10k_core_free_firmware_files(ar); |
Ben Greear | 6f1f56e | 2013-11-04 09:18:16 -0800 | [diff] [blame] | 1042 | |
| 1043 | ath10k_debug_destroy(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1044 | } |
| 1045 | EXPORT_SYMBOL(ath10k_core_unregister); |
| 1046 | |
Michal Kazior | e7b5419 | 2014-08-07 11:03:27 +0200 | [diff] [blame] | 1047 | struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1048 | const struct ath10k_hif_ops *hif_ops) |
| 1049 | { |
| 1050 | struct ath10k *ar; |
| 1051 | |
Michal Kazior | e7b5419 | 2014-08-07 11:03:27 +0200 | [diff] [blame] | 1052 | ar = ath10k_mac_create(priv_size); |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1053 | if (!ar) |
| 1054 | return NULL; |
| 1055 | |
| 1056 | ar->ath_common.priv = ar; |
| 1057 | ar->ath_common.hw = ar->hw; |
| 1058 | |
| 1059 | ar->p2p = !!ath10k_p2p; |
| 1060 | ar->dev = dev; |
| 1061 | |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1062 | ar->hif.ops = hif_ops; |
| 1063 | |
| 1064 | init_completion(&ar->scan.started); |
| 1065 | init_completion(&ar->scan.completed); |
| 1066 | init_completion(&ar->scan.on_channel); |
| 1067 | init_completion(&ar->target_suspend); |
| 1068 | |
| 1069 | init_completion(&ar->install_key_done); |
| 1070 | init_completion(&ar->vdev_setup_done); |
| 1071 | |
Michal Kazior | 5c81c7f | 2014-08-05 14:54:44 +0200 | [diff] [blame] | 1072 | INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work); |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1073 | |
| 1074 | ar->workqueue = create_singlethread_workqueue("ath10k_wq"); |
| 1075 | if (!ar->workqueue) |
| 1076 | goto err_wq; |
| 1077 | |
| 1078 | mutex_init(&ar->conf_mutex); |
| 1079 | spin_lock_init(&ar->data_lock); |
| 1080 | |
| 1081 | INIT_LIST_HEAD(&ar->peers); |
| 1082 | init_waitqueue_head(&ar->peer_mapping_wq); |
| 1083 | |
| 1084 | init_completion(&ar->offchan_tx_completed); |
| 1085 | INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); |
| 1086 | skb_queue_head_init(&ar->offchan_tx_queue); |
| 1087 | |
| 1088 | INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work); |
| 1089 | skb_queue_head_init(&ar->wmi_mgmt_tx_queue); |
| 1090 | |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1091 | INIT_WORK(&ar->register_work, ath10k_core_register_work); |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1092 | INIT_WORK(&ar->restart_work, ath10k_core_restart); |
| 1093 | |
| 1094 | return ar; |
| 1095 | |
| 1096 | err_wq: |
| 1097 | ath10k_mac_destroy(ar); |
| 1098 | return NULL; |
| 1099 | } |
| 1100 | EXPORT_SYMBOL(ath10k_core_create); |
| 1101 | |
| 1102 | void ath10k_core_destroy(struct ath10k *ar) |
| 1103 | { |
| 1104 | flush_workqueue(ar->workqueue); |
| 1105 | destroy_workqueue(ar->workqueue); |
| 1106 | |
| 1107 | ath10k_mac_destroy(ar); |
| 1108 | } |
| 1109 | EXPORT_SYMBOL(ath10k_core_destroy); |
| 1110 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1111 | MODULE_AUTHOR("Qualcomm Atheros"); |
| 1112 | MODULE_DESCRIPTION("Core module for QCA988X PCIe devices."); |
| 1113 | MODULE_LICENSE("Dual BSD/GPL"); |