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 | { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 56 | ath10k_dbg(ar, 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) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 70 | ath10k_err(ar, "settings HTC version failed\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 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) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 77 | ath10k_err(ar, "setting firmware mode (1/2) failed\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 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) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 96 | ath10k_err(ar, "setting firmware mode (2/2) failed\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 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) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 103 | ath10k_err(ar, "setting host CPU BE mode failed\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 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) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 111 | ath10k_err(ar, "setting FW data/desc swap flags failed\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 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) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 149 | ath10k_err(ar, "could not read board ext data addr (%d)\n", |
| 150 | ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 151 | return ret; |
| 152 | } |
| 153 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 154 | ath10k_dbg(ar, ATH10K_DBG_BOOT, |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 155 | "boot push board extended data addr 0x%x\n", |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 156 | board_ext_data_addr); |
| 157 | |
| 158 | if (board_ext_data_addr == 0) |
| 159 | return 0; |
| 160 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 161 | if (ar->board_len != (board_data_size + board_ext_data_size)) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 162 | ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n", |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 163 | ar->board_len, board_data_size, board_ext_data_size); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 164 | return -EINVAL; |
| 165 | } |
| 166 | |
| 167 | ret = ath10k_bmi_write_memory(ar, board_ext_data_addr, |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 168 | ar->board_data + board_data_size, |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 169 | board_ext_data_size); |
| 170 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 171 | ath10k_err(ar, "could not write board ext data (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 172 | return ret; |
| 173 | } |
| 174 | |
| 175 | ret = ath10k_bmi_write32(ar, hi_board_ext_data_config, |
| 176 | (board_ext_data_size << 16) | 1); |
| 177 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 178 | ath10k_err(ar, "could not write board ext data bit (%d)\n", |
| 179 | ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 180 | return ret; |
| 181 | } |
| 182 | |
| 183 | return 0; |
| 184 | } |
| 185 | |
| 186 | static int ath10k_download_board_data(struct ath10k *ar) |
| 187 | { |
| 188 | u32 board_data_size = QCA988X_BOARD_DATA_SZ; |
| 189 | u32 address; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 190 | int ret; |
| 191 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 192 | ret = ath10k_push_board_ext_data(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 193 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 194 | ath10k_err(ar, "could not push board ext data (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 195 | goto exit; |
| 196 | } |
| 197 | |
| 198 | ret = ath10k_bmi_read32(ar, hi_board_data, &address); |
| 199 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 200 | ath10k_err(ar, "could not read board data addr (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 201 | goto exit; |
| 202 | } |
| 203 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 204 | ret = ath10k_bmi_write_memory(ar, address, ar->board_data, |
| 205 | min_t(u32, board_data_size, |
| 206 | ar->board_len)); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 207 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 208 | ath10k_err(ar, "could not write board data (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 209 | goto exit; |
| 210 | } |
| 211 | |
| 212 | ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1); |
| 213 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 214 | ath10k_err(ar, "could not write board data bit (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 215 | goto exit; |
| 216 | } |
| 217 | |
| 218 | exit: |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 219 | return ret; |
| 220 | } |
| 221 | |
| 222 | static int ath10k_download_and_run_otp(struct ath10k *ar) |
| 223 | { |
Kalle Valo | d6d4a58 | 2014-03-11 17:33:19 +0200 | [diff] [blame] | 224 | u32 result, address = ar->hw_params.patch_load_addr; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 225 | int ret; |
| 226 | |
| 227 | /* OTP is optional */ |
| 228 | |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 229 | if (!ar->otp_data || !ar->otp_len) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 230 | ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n", |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 231 | ar->otp_data, ar->otp_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 232 | return 0; |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 233 | } |
| 234 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 235 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n", |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 236 | address, ar->otp_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 237 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 238 | 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] | 239 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 240 | ath10k_err(ar, "could not write otp (%d)\n", ret); |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 241 | return ret; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 242 | } |
| 243 | |
Kalle Valo | d6d4a58 | 2014-03-11 17:33:19 +0200 | [diff] [blame] | 244 | ret = ath10k_bmi_execute(ar, address, 0, &result); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 245 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 246 | ath10k_err(ar, "could not execute otp (%d)\n", ret); |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 247 | return ret; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 248 | } |
| 249 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 250 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result); |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 251 | |
| 252 | if (result != 0) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 253 | ath10k_err(ar, "otp calibration failed: %d", result); |
Kalle Valo | 7f06ea1 | 2014-03-11 17:33:28 +0200 | [diff] [blame] | 254 | return -EINVAL; |
| 255 | } |
| 256 | |
| 257 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | static int ath10k_download_fw(struct ath10k *ar) |
| 261 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 262 | u32 address; |
| 263 | int ret; |
| 264 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 265 | address = ar->hw_params.patch_load_addr; |
| 266 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 267 | ret = ath10k_bmi_fast_download(ar, address, ar->firmware_data, |
| 268 | ar->firmware_len); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 269 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 270 | ath10k_err(ar, "could not write fw (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 271 | goto exit; |
| 272 | } |
| 273 | |
| 274 | exit: |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 275 | return ret; |
| 276 | } |
| 277 | |
| 278 | static void ath10k_core_free_firmware_files(struct ath10k *ar) |
| 279 | { |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 280 | if (ar->board && !IS_ERR(ar->board)) |
| 281 | release_firmware(ar->board); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 282 | |
| 283 | if (ar->otp && !IS_ERR(ar->otp)) |
| 284 | release_firmware(ar->otp); |
| 285 | |
| 286 | if (ar->firmware && !IS_ERR(ar->firmware)) |
| 287 | release_firmware(ar->firmware); |
| 288 | |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 289 | ar->board = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 290 | ar->board_data = NULL; |
| 291 | ar->board_len = 0; |
| 292 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 293 | ar->otp = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 294 | ar->otp_data = NULL; |
| 295 | ar->otp_len = 0; |
| 296 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 297 | ar->firmware = NULL; |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 298 | ar->firmware_data = NULL; |
| 299 | ar->firmware_len = 0; |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 300 | } |
| 301 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 302 | static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar) |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 303 | { |
| 304 | int ret = 0; |
| 305 | |
| 306 | if (ar->hw_params.fw.fw == NULL) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 307 | ath10k_err(ar, "firmware file not defined\n"); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 308 | return -EINVAL; |
| 309 | } |
| 310 | |
| 311 | if (ar->hw_params.fw.board == NULL) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 312 | ath10k_err(ar, "board data file not defined"); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 313 | return -EINVAL; |
| 314 | } |
| 315 | |
Kalle Valo | 3652791 | 2013-09-27 19:54:55 +0300 | [diff] [blame] | 316 | ar->board = ath10k_fetch_fw_file(ar, |
| 317 | ar->hw_params.fw.dir, |
| 318 | ar->hw_params.fw.board); |
| 319 | if (IS_ERR(ar->board)) { |
| 320 | ret = PTR_ERR(ar->board); |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 321 | ath10k_err(ar, "could not fetch board data (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 322 | goto err; |
| 323 | } |
| 324 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 325 | ar->board_data = ar->board->data; |
| 326 | ar->board_len = ar->board->size; |
| 327 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 328 | ar->firmware = ath10k_fetch_fw_file(ar, |
| 329 | ar->hw_params.fw.dir, |
| 330 | ar->hw_params.fw.fw); |
| 331 | if (IS_ERR(ar->firmware)) { |
| 332 | ret = PTR_ERR(ar->firmware); |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 333 | ath10k_err(ar, "could not fetch firmware (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 334 | goto err; |
| 335 | } |
| 336 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 337 | ar->firmware_data = ar->firmware->data; |
| 338 | ar->firmware_len = ar->firmware->size; |
| 339 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 340 | /* OTP may be undefined. If so, don't fetch it at all */ |
| 341 | if (ar->hw_params.fw.otp == NULL) |
| 342 | return 0; |
| 343 | |
| 344 | ar->otp = ath10k_fetch_fw_file(ar, |
| 345 | ar->hw_params.fw.dir, |
| 346 | ar->hw_params.fw.otp); |
| 347 | if (IS_ERR(ar->otp)) { |
| 348 | ret = PTR_ERR(ar->otp); |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 349 | ath10k_err(ar, "could not fetch otp (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 350 | goto err; |
| 351 | } |
| 352 | |
Kalle Valo | 958df3a | 2013-09-27 19:55:01 +0300 | [diff] [blame] | 353 | ar->otp_data = ar->otp->data; |
| 354 | ar->otp_len = ar->otp->size; |
| 355 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 356 | return 0; |
| 357 | |
| 358 | err: |
| 359 | ath10k_core_free_firmware_files(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 360 | return ret; |
| 361 | } |
| 362 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 363 | static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name) |
| 364 | { |
| 365 | size_t magic_len, len, ie_len; |
| 366 | int ie_id, i, index, bit, ret; |
| 367 | struct ath10k_fw_ie *hdr; |
| 368 | const u8 *data; |
| 369 | __le32 *timestamp; |
| 370 | |
| 371 | /* first fetch the firmware file (firmware-*.bin) */ |
| 372 | ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name); |
| 373 | if (IS_ERR(ar->firmware)) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 374 | ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n", |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 375 | ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware)); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 376 | return PTR_ERR(ar->firmware); |
| 377 | } |
| 378 | |
| 379 | data = ar->firmware->data; |
| 380 | len = ar->firmware->size; |
| 381 | |
| 382 | /* magic also includes the null byte, check that as well */ |
| 383 | magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1; |
| 384 | |
| 385 | if (len < magic_len) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 386 | ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n", |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 387 | ar->hw_params.fw.dir, name, len); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 388 | ret = -EINVAL; |
| 389 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 393 | ath10k_err(ar, "invalid firmware magic\n"); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 394 | ret = -EINVAL; |
| 395 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | /* jump over the padding */ |
| 399 | magic_len = ALIGN(magic_len, 4); |
| 400 | |
| 401 | len -= magic_len; |
| 402 | data += magic_len; |
| 403 | |
| 404 | /* loop elements */ |
| 405 | while (len > sizeof(struct ath10k_fw_ie)) { |
| 406 | hdr = (struct ath10k_fw_ie *)data; |
| 407 | |
| 408 | ie_id = le32_to_cpu(hdr->id); |
| 409 | ie_len = le32_to_cpu(hdr->len); |
| 410 | |
| 411 | len -= sizeof(*hdr); |
| 412 | data += sizeof(*hdr); |
| 413 | |
| 414 | if (len < ie_len) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 415 | ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 416 | ie_id, len, ie_len); |
Michal Kazior | 9bab1cc | 2013-10-04 08:13:20 +0200 | [diff] [blame] | 417 | ret = -EINVAL; |
| 418 | goto err; |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 419 | } |
| 420 | |
| 421 | switch (ie_id) { |
| 422 | case ATH10K_FW_IE_FW_VERSION: |
| 423 | if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1) |
| 424 | break; |
| 425 | |
| 426 | memcpy(ar->hw->wiphy->fw_version, data, ie_len); |
| 427 | ar->hw->wiphy->fw_version[ie_len] = '\0'; |
| 428 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 429 | ath10k_dbg(ar, ATH10K_DBG_BOOT, |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 430 | "found fw version %s\n", |
| 431 | ar->hw->wiphy->fw_version); |
| 432 | break; |
| 433 | case ATH10K_FW_IE_TIMESTAMP: |
| 434 | if (ie_len != sizeof(u32)) |
| 435 | break; |
| 436 | |
| 437 | timestamp = (__le32 *)data; |
| 438 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 439 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 440 | le32_to_cpup(timestamp)); |
| 441 | break; |
| 442 | case ATH10K_FW_IE_FEATURES: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 443 | ath10k_dbg(ar, ATH10K_DBG_BOOT, |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 444 | "found firmware features ie (%zd B)\n", |
| 445 | ie_len); |
| 446 | |
| 447 | for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) { |
| 448 | index = i / 8; |
| 449 | bit = i % 8; |
| 450 | |
| 451 | if (index == ie_len) |
| 452 | break; |
| 453 | |
Ben Greear | f591a1a | 2014-02-04 19:51:38 +0200 | [diff] [blame] | 454 | if (data[index] & (1 << bit)) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 455 | ath10k_dbg(ar, ATH10K_DBG_BOOT, |
Ben Greear | f591a1a | 2014-02-04 19:51:38 +0200 | [diff] [blame] | 456 | "Enabling feature bit: %i\n", |
| 457 | i); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 458 | __set_bit(i, ar->fw_features); |
Ben Greear | f591a1a | 2014-02-04 19:51:38 +0200 | [diff] [blame] | 459 | } |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 460 | } |
| 461 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 462 | ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 463 | ar->fw_features, |
| 464 | sizeof(ar->fw_features)); |
| 465 | break; |
| 466 | case ATH10K_FW_IE_FW_IMAGE: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 467 | ath10k_dbg(ar, ATH10K_DBG_BOOT, |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 468 | "found fw image ie (%zd B)\n", |
| 469 | ie_len); |
| 470 | |
| 471 | ar->firmware_data = data; |
| 472 | ar->firmware_len = ie_len; |
| 473 | |
| 474 | break; |
| 475 | case ATH10K_FW_IE_OTP_IMAGE: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 476 | ath10k_dbg(ar, ATH10K_DBG_BOOT, |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 477 | "found otp image ie (%zd B)\n", |
| 478 | ie_len); |
| 479 | |
| 480 | ar->otp_data = data; |
| 481 | ar->otp_len = ie_len; |
| 482 | |
| 483 | break; |
| 484 | default: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 485 | ath10k_warn(ar, "Unknown FW IE: %u\n", |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 486 | le32_to_cpu(hdr->id)); |
| 487 | break; |
| 488 | } |
| 489 | |
| 490 | /* jump over the padding */ |
| 491 | ie_len = ALIGN(ie_len, 4); |
| 492 | |
| 493 | len -= ie_len; |
| 494 | data += ie_len; |
Fengguang Wu | e05634e | 2013-10-08 21:48:15 +0300 | [diff] [blame] | 495 | } |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 496 | |
| 497 | if (!ar->firmware_data || !ar->firmware_len) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 498 | ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n", |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 499 | ar->hw_params.fw.dir, name); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 500 | ret = -ENOMEDIUM; |
| 501 | goto err; |
| 502 | } |
| 503 | |
Michal Kazior | 24c88f7 | 2014-07-25 13:32:17 +0200 | [diff] [blame] | 504 | if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) && |
| 505 | !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 506 | ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well"); |
Michal Kazior | 24c88f7 | 2014-07-25 13:32:17 +0200 | [diff] [blame] | 507 | ret = -EINVAL; |
| 508 | goto err; |
| 509 | } |
| 510 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 511 | /* now fetch the board file */ |
| 512 | if (ar->hw_params.fw.board == NULL) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 513 | ath10k_err(ar, "board data file not defined"); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 514 | ret = -EINVAL; |
| 515 | goto err; |
| 516 | } |
| 517 | |
| 518 | ar->board = ath10k_fetch_fw_file(ar, |
| 519 | ar->hw_params.fw.dir, |
| 520 | ar->hw_params.fw.board); |
| 521 | if (IS_ERR(ar->board)) { |
| 522 | ret = PTR_ERR(ar->board); |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 523 | ath10k_err(ar, "could not fetch board data '%s/%s' (%d)\n", |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 524 | ar->hw_params.fw.dir, ar->hw_params.fw.board, |
| 525 | ret); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 526 | goto err; |
| 527 | } |
| 528 | |
| 529 | ar->board_data = ar->board->data; |
| 530 | ar->board_len = ar->board->size; |
| 531 | |
| 532 | return 0; |
| 533 | |
| 534 | err: |
| 535 | ath10k_core_free_firmware_files(ar); |
| 536 | return ret; |
| 537 | } |
| 538 | |
| 539 | static int ath10k_core_fetch_firmware_files(struct ath10k *ar) |
| 540 | { |
| 541 | int ret; |
| 542 | |
Michal Kazior | 24c88f7 | 2014-07-25 13:32:17 +0200 | [diff] [blame] | 543 | ar->fw_api = 3; |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 544 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); |
Michal Kazior | 24c88f7 | 2014-07-25 13:32:17 +0200 | [diff] [blame] | 545 | |
| 546 | ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE); |
| 547 | if (ret == 0) |
| 548 | goto success; |
| 549 | |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 550 | ar->fw_api = 2; |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 551 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 552 | |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 553 | ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE); |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 554 | if (ret == 0) |
| 555 | goto success; |
| 556 | |
| 557 | ar->fw_api = 1; |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 558 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 559 | |
| 560 | ret = ath10k_core_fetch_firmware_api_1(ar); |
| 561 | if (ret) |
| 562 | return ret; |
| 563 | |
Ben Greear | 53c0228 | 2014-03-24 12:20:41 -0700 | [diff] [blame] | 564 | success: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 565 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api); |
Kalle Valo | 1a22243 | 2013-09-27 19:55:07 +0300 | [diff] [blame] | 566 | |
| 567 | return 0; |
| 568 | } |
| 569 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 570 | static int ath10k_init_download_firmware(struct ath10k *ar) |
| 571 | { |
| 572 | int ret; |
| 573 | |
| 574 | ret = ath10k_download_board_data(ar); |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 575 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 576 | ath10k_err(ar, "failed to download board data: %d\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 577 | return ret; |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 578 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 579 | |
| 580 | ret = ath10k_download_and_run_otp(ar); |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 581 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 582 | ath10k_err(ar, "failed to run otp: %d\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 583 | return ret; |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 584 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 585 | |
| 586 | ret = ath10k_download_fw(ar); |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 587 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 588 | ath10k_err(ar, "failed to download firmware: %d\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 589 | return ret; |
Ben Greear | 36a8f41 | 2014-03-24 12:20:42 -0700 | [diff] [blame] | 590 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 591 | |
| 592 | return ret; |
| 593 | } |
| 594 | |
| 595 | static int ath10k_init_uart(struct ath10k *ar) |
| 596 | { |
| 597 | int ret; |
| 598 | |
| 599 | /* |
| 600 | * Explicitly setting UART prints to zero as target turns it on |
| 601 | * based on scratch registers. |
| 602 | */ |
| 603 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 0); |
| 604 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 605 | ath10k_warn(ar, "could not disable UART prints (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 606 | return ret; |
| 607 | } |
| 608 | |
Kalle Valo | c8c39af | 2013-11-20 10:00:41 +0200 | [diff] [blame] | 609 | if (!uart_print) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 610 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 611 | |
| 612 | ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7); |
| 613 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 614 | ath10k_warn(ar, "could not enable UART prints (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 615 | return ret; |
| 616 | } |
| 617 | |
| 618 | ret = ath10k_bmi_write32(ar, hi_serial_enable, 1); |
| 619 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 620 | ath10k_warn(ar, "could not enable UART prints (%d)\n", ret); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 621 | return ret; |
| 622 | } |
| 623 | |
Bartosz Markowski | 03fc137 | 2013-09-03 14:24:02 +0200 | [diff] [blame] | 624 | /* Set the UART baud rate to 19200. */ |
| 625 | ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200); |
| 626 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 627 | ath10k_warn(ar, "could not set the baud rate (%d)\n", ret); |
Bartosz Markowski | 03fc137 | 2013-09-03 14:24:02 +0200 | [diff] [blame] | 628 | return ret; |
| 629 | } |
| 630 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 631 | ath10k_info(ar, "UART prints enabled\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 632 | return 0; |
| 633 | } |
| 634 | |
| 635 | static int ath10k_init_hw_params(struct ath10k *ar) |
| 636 | { |
| 637 | const struct ath10k_hw_params *uninitialized_var(hw_params); |
| 638 | int i; |
| 639 | |
| 640 | for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) { |
| 641 | hw_params = &ath10k_hw_params_list[i]; |
| 642 | |
| 643 | if (hw_params->id == ar->target_version) |
| 644 | break; |
| 645 | } |
| 646 | |
| 647 | if (i == ARRAY_SIZE(ath10k_hw_params_list)) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 648 | ath10k_err(ar, "Unsupported hardware version: 0x%x\n", |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 649 | ar->target_version); |
| 650 | return -EINVAL; |
| 651 | } |
| 652 | |
| 653 | ar->hw_params = *hw_params; |
| 654 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 655 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n", |
Kalle Valo | c8c39af | 2013-11-20 10:00:41 +0200 | [diff] [blame] | 656 | ar->hw_params.name, ar->target_version); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 657 | |
| 658 | return 0; |
| 659 | } |
| 660 | |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 661 | static void ath10k_core_restart(struct work_struct *work) |
| 662 | { |
| 663 | struct ath10k *ar = container_of(work, struct ath10k, restart_work); |
| 664 | |
| 665 | mutex_lock(&ar->conf_mutex); |
| 666 | |
| 667 | switch (ar->state) { |
| 668 | case ATH10K_STATE_ON: |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 669 | ar->state = ATH10K_STATE_RESTARTING; |
Michal Kazior | 61e9aab | 2014-08-22 14:33:18 +0200 | [diff] [blame] | 670 | ath10k_hif_stop(ar); |
Michal Kazior | 5c81c7f | 2014-08-05 14:54:44 +0200 | [diff] [blame] | 671 | ath10k_scan_finish(ar); |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 672 | ieee80211_restart_hw(ar->hw); |
| 673 | break; |
| 674 | case ATH10K_STATE_OFF: |
Michal Kazior | 5e90de8 | 2013-10-16 16:46:05 +0300 | [diff] [blame] | 675 | /* this can happen if driver is being unloaded |
| 676 | * or if the crash happens during FW probing */ |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 677 | ath10k_warn(ar, "cannot restart a device that hasn't been started\n"); |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 678 | break; |
| 679 | case ATH10K_STATE_RESTARTING: |
Michal Kazior | c5058f5 | 2014-05-26 12:46:03 +0300 | [diff] [blame] | 680 | /* hw restart might be requested from multiple places */ |
| 681 | break; |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 682 | case ATH10K_STATE_RESTARTED: |
| 683 | ar->state = ATH10K_STATE_WEDGED; |
| 684 | /* fall through */ |
| 685 | case ATH10K_STATE_WEDGED: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 686 | ath10k_warn(ar, "device is wedged, will not restart\n"); |
Michal Kazior | affd321 | 2013-07-16 09:54:35 +0200 | [diff] [blame] | 687 | break; |
| 688 | } |
| 689 | |
| 690 | mutex_unlock(&ar->conf_mutex); |
| 691 | } |
| 692 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 693 | int ath10k_core_start(struct ath10k *ar) |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 694 | { |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 695 | int status; |
| 696 | |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 697 | lockdep_assert_held(&ar->conf_mutex); |
| 698 | |
Michal Kazior | 64d151d | 2013-07-16 09:38:53 +0200 | [diff] [blame] | 699 | ath10k_bmi_start(ar); |
| 700 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 701 | if (ath10k_init_configure_target(ar)) { |
| 702 | status = -EINVAL; |
| 703 | goto err; |
| 704 | } |
| 705 | |
| 706 | status = ath10k_init_download_firmware(ar); |
| 707 | if (status) |
| 708 | goto err; |
| 709 | |
| 710 | status = ath10k_init_uart(ar); |
| 711 | if (status) |
| 712 | goto err; |
| 713 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 714 | ar->htc.htc_ops.target_send_suspend_complete = |
| 715 | ath10k_send_suspend_complete; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 716 | |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 717 | status = ath10k_htc_init(ar); |
| 718 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 719 | ath10k_err(ar, "could not init HTC (%d)\n", status); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 720 | goto err; |
| 721 | } |
| 722 | |
| 723 | status = ath10k_bmi_done(ar); |
| 724 | if (status) |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 725 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 726 | |
| 727 | status = ath10k_wmi_attach(ar); |
| 728 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 729 | ath10k_err(ar, "WMI attach failed: %d\n", status); |
Michal Kazior | cd003fa | 2013-07-05 16:15:13 +0300 | [diff] [blame] | 730 | goto err; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 731 | } |
| 732 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 733 | status = ath10k_htt_init(ar); |
| 734 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 735 | ath10k_err(ar, "failed to init htt: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 736 | goto err_wmi_detach; |
| 737 | } |
| 738 | |
| 739 | status = ath10k_htt_tx_alloc(&ar->htt); |
| 740 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 741 | ath10k_err(ar, "failed to alloc htt tx: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 742 | goto err_wmi_detach; |
| 743 | } |
| 744 | |
| 745 | status = ath10k_htt_rx_alloc(&ar->htt); |
| 746 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 747 | ath10k_err(ar, "failed to alloc htt rx: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 748 | goto err_htt_tx_detach; |
| 749 | } |
| 750 | |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 751 | status = ath10k_hif_start(ar); |
| 752 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 753 | ath10k_err(ar, "could not start HIF: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 754 | goto err_htt_rx_detach; |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | status = ath10k_htc_wait_target(&ar->htc); |
| 758 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 759 | ath10k_err(ar, "failed to connect to HTC: %d\n", status); |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 760 | goto err_hif_stop; |
| 761 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 762 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 763 | status = ath10k_htt_connect(&ar->htt); |
Michal Kazior | edb8236 | 2013-07-05 16:15:14 +0300 | [diff] [blame] | 764 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 765 | ath10k_err(ar, "failed to connect htt (%d)\n", status); |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 766 | goto err_hif_stop; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 767 | } |
| 768 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 769 | status = ath10k_wmi_connect(ar); |
| 770 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 771 | ath10k_err(ar, "could not connect wmi: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 772 | goto err_hif_stop; |
| 773 | } |
| 774 | |
| 775 | status = ath10k_htc_start(&ar->htc); |
| 776 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 777 | ath10k_err(ar, "failed to start htc: %d\n", status); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 778 | goto err_hif_stop; |
| 779 | } |
| 780 | |
| 781 | status = ath10k_wmi_wait_for_service_ready(ar); |
| 782 | if (status <= 0) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 783 | ath10k_warn(ar, "wmi service ready event not received"); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 784 | status = -ETIMEDOUT; |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 785 | goto err_hif_stop; |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 786 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 787 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 788 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n", |
Kalle Valo | c8c39af | 2013-11-20 10:00:41 +0200 | [diff] [blame] | 789 | ar->hw->wiphy->fw_version); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 790 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 791 | status = ath10k_wmi_cmd_init(ar); |
| 792 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 793 | ath10k_err(ar, "could not send WMI init command (%d)\n", |
| 794 | status); |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 795 | goto err_hif_stop; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 796 | } |
| 797 | |
| 798 | status = ath10k_wmi_wait_for_unified_ready(ar); |
| 799 | if (status <= 0) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 800 | ath10k_err(ar, "wmi unified ready event not received\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 801 | status = -ETIMEDOUT; |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 802 | goto err_hif_stop; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 803 | } |
| 804 | |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 805 | status = ath10k_htt_setup(&ar->htt); |
| 806 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 807 | ath10k_err(ar, "failed to setup htt: %d\n", status); |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 808 | goto err_hif_stop; |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 809 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 810 | |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 811 | status = ath10k_debug_start(ar); |
| 812 | if (status) |
Michal Kazior | b7967dc | 2014-08-07 11:03:31 +0200 | [diff] [blame] | 813 | goto err_hif_stop; |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 814 | |
Bartosz Markowski | dfa413d | 2014-06-02 21:19:45 +0300 | [diff] [blame] | 815 | if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) |
| 816 | ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1; |
| 817 | else |
| 818 | ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; |
| 819 | |
Michal Kazior | 0579119 | 2013-10-16 15:44:45 +0300 | [diff] [blame] | 820 | INIT_LIST_HEAD(&ar->arvifs); |
Michal Kazior | 1a1b8a8 | 2013-07-16 09:38:55 +0200 | [diff] [blame] | 821 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 822 | return 0; |
| 823 | |
Michal Kazior | 67e3c63 | 2013-11-08 08:05:18 +0100 | [diff] [blame] | 824 | err_hif_stop: |
| 825 | ath10k_hif_stop(ar); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 826 | err_htt_rx_detach: |
| 827 | ath10k_htt_rx_free(&ar->htt); |
| 828 | err_htt_tx_detach: |
| 829 | ath10k_htt_tx_free(&ar->htt); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 830 | err_wmi_detach: |
| 831 | ath10k_wmi_detach(ar); |
| 832 | err: |
| 833 | return status; |
| 834 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 835 | EXPORT_SYMBOL(ath10k_core_start); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 836 | |
Marek Puzyniak | 00f5482 | 2014-02-10 17:14:24 +0100 | [diff] [blame] | 837 | int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt) |
| 838 | { |
| 839 | int ret; |
| 840 | |
| 841 | reinit_completion(&ar->target_suspend); |
| 842 | |
| 843 | ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt); |
| 844 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 845 | ath10k_warn(ar, "could not suspend target (%d)\n", ret); |
Marek Puzyniak | 00f5482 | 2014-02-10 17:14:24 +0100 | [diff] [blame] | 846 | return ret; |
| 847 | } |
| 848 | |
| 849 | ret = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ); |
| 850 | |
| 851 | if (ret == 0) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 852 | ath10k_warn(ar, "suspend timed out - target pause event never came\n"); |
Marek Puzyniak | 00f5482 | 2014-02-10 17:14:24 +0100 | [diff] [blame] | 853 | return -ETIMEDOUT; |
| 854 | } |
| 855 | |
| 856 | return 0; |
| 857 | } |
| 858 | |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 859 | void ath10k_core_stop(struct ath10k *ar) |
| 860 | { |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 861 | lockdep_assert_held(&ar->conf_mutex); |
| 862 | |
Marek Puzyniak | 00f5482 | 2014-02-10 17:14:24 +0100 | [diff] [blame] | 863 | /* try to suspend target */ |
Michal Kazior | 216a183 | 2014-04-23 19:30:04 +0300 | [diff] [blame] | 864 | if (ar->state != ATH10K_STATE_RESTARTING) |
| 865 | ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR); |
| 866 | |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 867 | ath10k_debug_stop(ar); |
Michal Kazior | 95bf21f | 2014-05-16 17:15:39 +0300 | [diff] [blame] | 868 | ath10k_hif_stop(ar); |
| 869 | ath10k_htt_tx_free(&ar->htt); |
| 870 | ath10k_htt_rx_free(&ar->htt); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 871 | ath10k_wmi_detach(ar); |
| 872 | } |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 873 | EXPORT_SYMBOL(ath10k_core_stop); |
| 874 | |
| 875 | /* mac80211 manages fw/hw initialization through start/stop hooks. However in |
| 876 | * order to know what hw capabilities should be advertised to mac80211 it is |
| 877 | * necessary to load the firmware (and tear it down immediately since start |
| 878 | * hook will try to init it again) before registering */ |
| 879 | static int ath10k_core_probe_fw(struct ath10k *ar) |
| 880 | { |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 881 | struct bmi_target_info target_info; |
| 882 | int ret = 0; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 883 | |
| 884 | ret = ath10k_hif_power_up(ar); |
| 885 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 886 | ath10k_err(ar, "could not start pci hif (%d)\n", ret); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 887 | return ret; |
| 888 | } |
| 889 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 890 | memset(&target_info, 0, sizeof(target_info)); |
| 891 | ret = ath10k_bmi_get_target_info(ar, &target_info); |
| 892 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 893 | ath10k_err(ar, "could not get target info (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 894 | ath10k_hif_power_down(ar); |
| 895 | return ret; |
| 896 | } |
| 897 | |
| 898 | ar->target_version = target_info.version; |
| 899 | ar->hw->wiphy->hw_version = target_info.version; |
| 900 | |
| 901 | ret = ath10k_init_hw_params(ar); |
| 902 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 903 | ath10k_err(ar, "could not get hw params (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 904 | ath10k_hif_power_down(ar); |
| 905 | return ret; |
| 906 | } |
| 907 | |
| 908 | ret = ath10k_core_fetch_firmware_files(ar); |
| 909 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 910 | ath10k_err(ar, "could not fetch firmware files (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 911 | ath10k_hif_power_down(ar); |
| 912 | return ret; |
| 913 | } |
| 914 | |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 915 | mutex_lock(&ar->conf_mutex); |
| 916 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 917 | ret = ath10k_core_start(ar); |
| 918 | if (ret) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 919 | ath10k_err(ar, "could not init core (%d)\n", ret); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 920 | ath10k_core_free_firmware_files(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 921 | ath10k_hif_power_down(ar); |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 922 | mutex_unlock(&ar->conf_mutex); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 923 | return ret; |
| 924 | } |
| 925 | |
Michal Kazior | 8079de0 | 2014-08-22 14:23:29 +0200 | [diff] [blame] | 926 | ath10k_print_driver_info(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 927 | ath10k_core_stop(ar); |
Kalle Valo | 60631c5 | 2013-10-08 21:45:25 +0300 | [diff] [blame] | 928 | |
| 929 | mutex_unlock(&ar->conf_mutex); |
| 930 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 931 | ath10k_hif_power_down(ar); |
| 932 | return 0; |
| 933 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 934 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 935 | static int ath10k_core_check_chip_id(struct ath10k *ar) |
| 936 | { |
| 937 | u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV); |
| 938 | |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 939 | ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n", |
Kalle Valo | effea96 | 2013-09-08 17:55:44 +0300 | [diff] [blame] | 940 | ar->chip_id, hw_revision); |
| 941 | |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 942 | /* Check that we are not using hw1.0 (some of them have same pci id |
| 943 | * as hw2.0) before doing anything else as ath10k crashes horribly |
| 944 | * due to missing hw1.0 workarounds. */ |
| 945 | switch (hw_revision) { |
| 946 | case QCA988X_HW_1_0_CHIP_ID_REV: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 947 | ath10k_err(ar, "ERROR: qca988x hw1.0 is not supported\n"); |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 948 | return -EOPNOTSUPP; |
| 949 | |
| 950 | case QCA988X_HW_2_0_CHIP_ID_REV: |
| 951 | /* known hardware revision, continue normally */ |
| 952 | return 0; |
| 953 | |
| 954 | default: |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 955 | ath10k_warn(ar, "Warning: hardware revision unknown (0x%x), expect problems\n", |
Kalle Valo | e01ae68 | 2013-09-01 11:22:14 +0300 | [diff] [blame] | 956 | ar->chip_id); |
| 957 | return 0; |
| 958 | } |
| 959 | |
| 960 | return 0; |
| 961 | } |
| 962 | |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 963 | static void ath10k_core_register_work(struct work_struct *work) |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 964 | { |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 965 | struct ath10k *ar = container_of(work, struct ath10k, register_work); |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 966 | int status; |
| 967 | |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 968 | status = ath10k_core_probe_fw(ar); |
| 969 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 970 | ath10k_err(ar, "could not probe fw (%d)\n", status); |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 971 | goto err; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 972 | } |
Michal Kazior | dd30a36 | 2013-07-16 09:38:51 +0200 | [diff] [blame] | 973 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 974 | status = ath10k_mac_register(ar); |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 975 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 976 | ath10k_err(ar, "could not register to mac80211 (%d)\n", status); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 977 | goto err_release_fw; |
Michal Kazior | 818bdd1 | 2013-07-16 09:38:57 +0200 | [diff] [blame] | 978 | } |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 979 | |
| 980 | status = ath10k_debug_create(ar); |
| 981 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 982 | ath10k_err(ar, "unable to initialize debugfs\n"); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 983 | goto err_unregister_mac; |
| 984 | } |
| 985 | |
Simon Wunderlich | 855aed1 | 2014-08-02 09:12:54 +0300 | [diff] [blame] | 986 | status = ath10k_spectral_create(ar); |
| 987 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 988 | ath10k_err(ar, "failed to initialize spectral\n"); |
Simon Wunderlich | 855aed1 | 2014-08-02 09:12:54 +0300 | [diff] [blame] | 989 | goto err_debug_destroy; |
| 990 | } |
| 991 | |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 992 | set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags); |
| 993 | return; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 994 | |
Simon Wunderlich | 855aed1 | 2014-08-02 09:12:54 +0300 | [diff] [blame] | 995 | err_debug_destroy: |
| 996 | ath10k_debug_destroy(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 997 | err_unregister_mac: |
| 998 | ath10k_mac_unregister(ar); |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 999 | err_release_fw: |
| 1000 | ath10k_core_free_firmware_files(ar); |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1001 | err: |
Michal Kazior | a491a92 | 2014-07-14 16:07:29 +0300 | [diff] [blame] | 1002 | /* TODO: It's probably a good idea to release device from the driver |
| 1003 | * but calling device_release_driver() here will cause a deadlock. |
| 1004 | */ |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1005 | return; |
| 1006 | } |
| 1007 | |
| 1008 | int ath10k_core_register(struct ath10k *ar, u32 chip_id) |
| 1009 | { |
| 1010 | int status; |
| 1011 | |
| 1012 | ar->chip_id = chip_id; |
| 1013 | |
| 1014 | status = ath10k_core_check_chip_id(ar); |
| 1015 | if (status) { |
Michal Kazior | 7aa7a72 | 2014-08-25 12:09:38 +0200 | [diff] [blame^] | 1016 | ath10k_err(ar, "Unsupported chip id 0x%08x\n", ar->chip_id); |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1017 | return status; |
| 1018 | } |
| 1019 | |
| 1020 | queue_work(ar->workqueue, &ar->register_work); |
| 1021 | |
| 1022 | return 0; |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1023 | } |
| 1024 | EXPORT_SYMBOL(ath10k_core_register); |
| 1025 | |
| 1026 | void ath10k_core_unregister(struct ath10k *ar) |
| 1027 | { |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1028 | cancel_work_sync(&ar->register_work); |
| 1029 | |
| 1030 | if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags)) |
| 1031 | return; |
| 1032 | |
Simon Wunderlich | 804eef147 | 2014-08-12 17:12:17 +0200 | [diff] [blame] | 1033 | /* Stop spectral before unregistering from mac80211 to remove the |
| 1034 | * relayfs debugfs file cleanly. Otherwise the parent debugfs tree |
| 1035 | * would be already be free'd recursively, leading to a double free. |
| 1036 | */ |
| 1037 | ath10k_spectral_destroy(ar); |
| 1038 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1039 | /* We must unregister from mac80211 before we stop HTC and HIF. |
| 1040 | * Otherwise we will fail to submit commands to FW and mac80211 will be |
| 1041 | * unhappy about callback failures. */ |
| 1042 | ath10k_mac_unregister(ar); |
Kalle Valo | db66ea0 | 2013-09-03 11:44:03 +0300 | [diff] [blame] | 1043 | |
Michal Kazior | 2938505 | 2013-07-16 09:38:58 +0200 | [diff] [blame] | 1044 | ath10k_core_free_firmware_files(ar); |
Ben Greear | 6f1f56e | 2013-11-04 09:18:16 -0800 | [diff] [blame] | 1045 | |
| 1046 | ath10k_debug_destroy(ar); |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1047 | } |
| 1048 | EXPORT_SYMBOL(ath10k_core_unregister); |
| 1049 | |
Michal Kazior | e7b5419 | 2014-08-07 11:03:27 +0200 | [diff] [blame] | 1050 | struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev, |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1051 | const struct ath10k_hif_ops *hif_ops) |
| 1052 | { |
| 1053 | struct ath10k *ar; |
| 1054 | |
Michal Kazior | e7b5419 | 2014-08-07 11:03:27 +0200 | [diff] [blame] | 1055 | ar = ath10k_mac_create(priv_size); |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1056 | if (!ar) |
| 1057 | return NULL; |
| 1058 | |
| 1059 | ar->ath_common.priv = ar; |
| 1060 | ar->ath_common.hw = ar->hw; |
| 1061 | |
| 1062 | ar->p2p = !!ath10k_p2p; |
| 1063 | ar->dev = dev; |
| 1064 | |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1065 | ar->hif.ops = hif_ops; |
| 1066 | |
| 1067 | init_completion(&ar->scan.started); |
| 1068 | init_completion(&ar->scan.completed); |
| 1069 | init_completion(&ar->scan.on_channel); |
| 1070 | init_completion(&ar->target_suspend); |
| 1071 | |
| 1072 | init_completion(&ar->install_key_done); |
| 1073 | init_completion(&ar->vdev_setup_done); |
| 1074 | |
Michal Kazior | 5c81c7f | 2014-08-05 14:54:44 +0200 | [diff] [blame] | 1075 | INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work); |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1076 | |
| 1077 | ar->workqueue = create_singlethread_workqueue("ath10k_wq"); |
| 1078 | if (!ar->workqueue) |
| 1079 | goto err_wq; |
| 1080 | |
| 1081 | mutex_init(&ar->conf_mutex); |
| 1082 | spin_lock_init(&ar->data_lock); |
| 1083 | |
| 1084 | INIT_LIST_HEAD(&ar->peers); |
| 1085 | init_waitqueue_head(&ar->peer_mapping_wq); |
| 1086 | |
| 1087 | init_completion(&ar->offchan_tx_completed); |
| 1088 | INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work); |
| 1089 | skb_queue_head_init(&ar->offchan_tx_queue); |
| 1090 | |
| 1091 | INIT_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work); |
| 1092 | skb_queue_head_init(&ar->wmi_mgmt_tx_queue); |
| 1093 | |
Michal Kazior | 6782cb6 | 2014-05-23 12:28:47 +0200 | [diff] [blame] | 1094 | INIT_WORK(&ar->register_work, ath10k_core_register_work); |
Michal Kazior | 0d0a693 | 2014-05-23 12:28:45 +0200 | [diff] [blame] | 1095 | INIT_WORK(&ar->restart_work, ath10k_core_restart); |
| 1096 | |
| 1097 | return ar; |
| 1098 | |
| 1099 | err_wq: |
| 1100 | ath10k_mac_destroy(ar); |
| 1101 | return NULL; |
| 1102 | } |
| 1103 | EXPORT_SYMBOL(ath10k_core_create); |
| 1104 | |
| 1105 | void ath10k_core_destroy(struct ath10k *ar) |
| 1106 | { |
| 1107 | flush_workqueue(ar->workqueue); |
| 1108 | destroy_workqueue(ar->workqueue); |
| 1109 | |
| 1110 | ath10k_mac_destroy(ar); |
| 1111 | } |
| 1112 | EXPORT_SYMBOL(ath10k_core_destroy); |
| 1113 | |
Kalle Valo | 5e3dd15 | 2013-06-12 20:52:10 +0300 | [diff] [blame] | 1114 | MODULE_AUTHOR("Qualcomm Atheros"); |
| 1115 | MODULE_DESCRIPTION("Core module for QCA988X PCIe devices."); |
| 1116 | MODULE_LICENSE("Dual BSD/GPL"); |