diff options
| author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
|---|---|---|
| committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
| commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
| tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /drivers/net/wireless/wl1251/init.c | |
| parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) | |
Diffstat (limited to 'drivers/net/wireless/wl1251/init.c')
| -rw-r--r-- | drivers/net/wireless/wl1251/init.c | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl1251/init.c b/drivers/net/wireless/wl1251/init.c new file mode 100644 index 00000000000..89b43d35473 --- /dev/null +++ b/drivers/net/wireless/wl1251/init.c | |||
| @@ -0,0 +1,423 @@ | |||
| 1 | /* | ||
| 2 | * This file is part of wl1251 | ||
| 3 | * | ||
| 4 | * Copyright (C) 2009 Nokia Corporation | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU General Public License | ||
| 8 | * version 2 as published by the Free Software Foundation. | ||
| 9 | * | ||
| 10 | * This program is distributed in the hope that it will be useful, but | ||
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 13 | * General Public License for more details. | ||
| 14 | * | ||
| 15 | * You should have received a copy of the GNU General Public License | ||
| 16 | * along with this program; if not, write to the Free Software | ||
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
| 18 | * 02110-1301 USA | ||
| 19 | * | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include <linux/kernel.h> | ||
| 23 | #include <linux/module.h> | ||
| 24 | #include <linux/slab.h> | ||
| 25 | |||
| 26 | #include "init.h" | ||
| 27 | #include "wl12xx_80211.h" | ||
| 28 | #include "acx.h" | ||
| 29 | #include "cmd.h" | ||
| 30 | #include "reg.h" | ||
| 31 | |||
| 32 | int wl1251_hw_init_hwenc_config(struct wl1251 *wl) | ||
| 33 | { | ||
| 34 | int ret; | ||
| 35 | |||
| 36 | ret = wl1251_acx_feature_cfg(wl); | ||
| 37 | if (ret < 0) { | ||
| 38 | wl1251_warning("couldn't set feature config"); | ||
| 39 | return ret; | ||
| 40 | } | ||
| 41 | |||
| 42 | ret = wl1251_acx_default_key(wl, wl->default_key); | ||
| 43 | if (ret < 0) { | ||
| 44 | wl1251_warning("couldn't set default key"); | ||
| 45 | return ret; | ||
| 46 | } | ||
| 47 | |||
| 48 | return 0; | ||
| 49 | } | ||
| 50 | |||
| 51 | int wl1251_hw_init_templates_config(struct wl1251 *wl) | ||
| 52 | { | ||
| 53 | int ret; | ||
| 54 | u8 partial_vbm[PARTIAL_VBM_MAX]; | ||
| 55 | |||
| 56 | /* send empty templates for fw memory reservation */ | ||
| 57 | ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, NULL, | ||
| 58 | sizeof(struct wl12xx_probe_req_template)); | ||
| 59 | if (ret < 0) | ||
| 60 | return ret; | ||
| 61 | |||
| 62 | ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, NULL, | ||
| 63 | sizeof(struct wl12xx_null_data_template)); | ||
| 64 | if (ret < 0) | ||
| 65 | return ret; | ||
| 66 | |||
| 67 | ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, NULL, | ||
| 68 | sizeof(struct wl12xx_ps_poll_template)); | ||
| 69 | if (ret < 0) | ||
| 70 | return ret; | ||
| 71 | |||
| 72 | ret = wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, NULL, | ||
| 73 | sizeof | ||
| 74 | (struct wl12xx_qos_null_data_template)); | ||
| 75 | if (ret < 0) | ||
| 76 | return ret; | ||
| 77 | |||
| 78 | ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, NULL, | ||
| 79 | sizeof | ||
| 80 | (struct wl12xx_probe_resp_template)); | ||
| 81 | if (ret < 0) | ||
| 82 | return ret; | ||
| 83 | |||
| 84 | ret = wl1251_cmd_template_set(wl, CMD_BEACON, NULL, | ||
| 85 | sizeof | ||
| 86 | (struct wl12xx_beacon_template)); | ||
| 87 | if (ret < 0) | ||
| 88 | return ret; | ||
| 89 | |||
| 90 | /* tim templates, first reserve space then allocate an empty one */ | ||
| 91 | memset(partial_vbm, 0, PARTIAL_VBM_MAX); | ||
| 92 | ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, PARTIAL_VBM_MAX, 0); | ||
| 93 | if (ret < 0) | ||
| 94 | return ret; | ||
| 95 | |||
| 96 | ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, partial_vbm, 1, 0); | ||
| 97 | if (ret < 0) | ||
| 98 | return ret; | ||
| 99 | |||
| 100 | return 0; | ||
| 101 | } | ||
| 102 | |||
| 103 | int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter) | ||
| 104 | { | ||
| 105 | int ret; | ||
| 106 | |||
| 107 | ret = wl1251_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); | ||
| 108 | if (ret < 0) | ||
| 109 | return ret; | ||
| 110 | |||
| 111 | ret = wl1251_acx_rx_config(wl, config, filter); | ||
| 112 | if (ret < 0) | ||
| 113 | return ret; | ||
| 114 | |||
| 115 | return 0; | ||
| 116 | } | ||
| 117 | |||
| 118 | int wl1251_hw_init_phy_config(struct wl1251 *wl) | ||
| 119 | { | ||
| 120 | int ret; | ||
| 121 | |||
| 122 | ret = wl1251_acx_pd_threshold(wl); | ||
| 123 | if (ret < 0) | ||
| 124 | return ret; | ||
| 125 | |||
| 126 | ret = wl1251_acx_slot(wl, DEFAULT_SLOT_TIME); | ||
| 127 | if (ret < 0) | ||
| 128 | return ret; | ||
| 129 | |||
| 130 | ret = wl1251_acx_group_address_tbl(wl); | ||
| 131 | if (ret < 0) | ||
| 132 | return ret; | ||
| 133 | |||
| 134 | ret = wl1251_acx_service_period_timeout(wl); | ||
| 135 | if (ret < 0) | ||
| 136 | return ret; | ||
| 137 | |||
| 138 | ret = wl1251_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); | ||
| 139 | if (ret < 0) | ||
| 140 | return ret; | ||
| 141 | |||
| 142 | return 0; | ||
| 143 | } | ||
| 144 | |||
| 145 | int wl1251_hw_init_beacon_filter(struct wl1251 *wl) | ||
| 146 | { | ||
| 147 | int ret; | ||
| 148 | |||
| 149 | /* disable beacon filtering at this stage */ | ||
| 150 | ret = wl1251_acx_beacon_filter_opt(wl, false); | ||
| 151 | if (ret < 0) | ||
| 152 | return ret; | ||
| 153 | |||
| 154 | ret = wl1251_acx_beacon_filter_table(wl); | ||
| 155 | if (ret < 0) | ||
| 156 | return ret; | ||
| 157 | |||
| 158 | return 0; | ||
| 159 | } | ||
| 160 | |||
| 161 | int wl1251_hw_init_pta(struct wl1251 *wl) | ||
| 162 | { | ||
| 163 | int ret; | ||
| 164 | |||
| 165 | ret = wl1251_acx_sg_enable(wl); | ||
| 166 | if (ret < 0) | ||
| 167 | return ret; | ||
| 168 | |||
| 169 | ret = wl1251_acx_sg_cfg(wl); | ||
| 170 | if (ret < 0) | ||
| 171 | return ret; | ||
| 172 | |||
| 173 | return 0; | ||
| 174 | } | ||
| 175 | |||
| 176 | int wl1251_hw_init_energy_detection(struct wl1251 *wl) | ||
| 177 | { | ||
| 178 | int ret; | ||
| 179 | |||
| 180 | ret = wl1251_acx_cca_threshold(wl); | ||
| 181 | if (ret < 0) | ||
| 182 | return ret; | ||
| 183 | |||
| 184 | return 0; | ||
| 185 | } | ||
| 186 | |||
| 187 | int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl) | ||
| 188 | { | ||
| 189 | int ret; | ||
| 190 | |||
| 191 | ret = wl1251_acx_bcn_dtim_options(wl); | ||
| 192 | if (ret < 0) | ||
| 193 | return ret; | ||
| 194 | |||
| 195 | return 0; | ||
| 196 | } | ||
| 197 | |||
| 198 | int wl1251_hw_init_power_auth(struct wl1251 *wl) | ||
| 199 | { | ||
| 200 | return wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM); | ||
| 201 | } | ||
| 202 | |||
| 203 | int wl1251_hw_init_mem_config(struct wl1251 *wl) | ||
| 204 | { | ||
| 205 | int ret; | ||
| 206 | |||
| 207 | ret = wl1251_acx_mem_cfg(wl); | ||
| 208 | if (ret < 0) | ||
| 209 | return ret; | ||
| 210 | |||
| 211 | wl->target_mem_map = kzalloc(sizeof(struct wl1251_acx_mem_map), | ||
| 212 | GFP_KERNEL); | ||
| 213 | if (!wl->target_mem_map) { | ||
| 214 | wl1251_error("couldn't allocate target memory map"); | ||
| 215 | return -ENOMEM; | ||
| 216 | } | ||
| 217 | |||
| 218 | /* we now ask for the firmware built memory map */ | ||
| 219 | ret = wl1251_acx_mem_map(wl, wl->target_mem_map, | ||
| 220 | sizeof(struct wl1251_acx_mem_map)); | ||
| 221 | if (ret < 0) { | ||
| 222 | wl1251_error("couldn't retrieve firmware memory map"); | ||
| 223 | kfree(wl->target_mem_map); | ||
| 224 | wl->target_mem_map = NULL; | ||
| 225 | return ret; | ||
| 226 | } | ||
| 227 | |||
| 228 | return 0; | ||
| 229 | } | ||
| 230 | |||
| 231 | static int wl1251_hw_init_txq_fill(u8 qid, | ||
| 232 | struct acx_tx_queue_qos_config *config, | ||
| 233 | u32 num_blocks) | ||
| 234 | { | ||
| 235 | config->qid = qid; | ||
| 236 | |||
| 237 | switch (qid) { | ||
| 238 | case QOS_AC_BE: | ||
| 239 | config->high_threshold = | ||
| 240 | (QOS_TX_HIGH_BE_DEF * num_blocks) / 100; | ||
| 241 | config->low_threshold = | ||
| 242 | (QOS_TX_LOW_BE_DEF * num_blocks) / 100; | ||
| 243 | break; | ||
| 244 | case QOS_AC_BK: | ||
| 245 | config->high_threshold = | ||
| 246 | (QOS_TX_HIGH_BK_DEF * num_blocks) / 100; | ||
| 247 | config->low_threshold = | ||
| 248 | (QOS_TX_LOW_BK_DEF * num_blocks) / 100; | ||
| 249 | break; | ||
| 250 | case QOS_AC_VI: | ||
| 251 | config->high_threshold = | ||
| 252 | (QOS_TX_HIGH_VI_DEF * num_blocks) / 100; | ||
| 253 | config->low_threshold = | ||
| 254 | (QOS_TX_LOW_VI_DEF * num_blocks) / 100; | ||
| 255 | break; | ||
| 256 | case QOS_AC_VO: | ||
| 257 | config->high_threshold = | ||
| 258 | (QOS_TX_HIGH_VO_DEF * num_blocks) / 100; | ||
| 259 | config->low_threshold = | ||
| 260 | (QOS_TX_LOW_VO_DEF * num_blocks) / 100; | ||
| 261 | break; | ||
| 262 | default: | ||
| 263 | wl1251_error("Invalid TX queue id: %d", qid); | ||
| 264 | return -EINVAL; | ||
| 265 | } | ||
| 266 | |||
| 267 | return 0; | ||
| 268 | } | ||
| 269 | |||
| 270 | static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl) | ||
| 271 | { | ||
| 272 | struct acx_tx_queue_qos_config *config; | ||
| 273 | struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map; | ||
| 274 | int ret, i; | ||
| 275 | |||
| 276 | wl1251_debug(DEBUG_ACX, "acx tx queue config"); | ||
| 277 | |||
| 278 | config = kzalloc(sizeof(*config), GFP_KERNEL); | ||
| 279 | if (!config) { | ||
| 280 | ret = -ENOMEM; | ||
| 281 | goto out; | ||
| 282 | } | ||
| 283 | |||
| 284 | for (i = 0; i < MAX_NUM_OF_AC; i++) { | ||
| 285 | ret = wl1251_hw_init_txq_fill(i, config, | ||
| 286 | wl_mem_map->num_tx_mem_blocks); | ||
| 287 | if (ret < 0) | ||
| 288 | goto out; | ||
| 289 | |||
| 290 | ret = wl1251_cmd_configure(wl, ACX_TX_QUEUE_CFG, | ||
| 291 | config, sizeof(*config)); | ||
| 292 | if (ret < 0) | ||
| 293 | goto out; | ||
| 294 | } | ||
| 295 | |||
| 296 | wl1251_acx_ac_cfg(wl, AC_BE, CWMIN_BE, CWMAX_BE, AIFS_DIFS, TXOP_BE); | ||
| 297 | wl1251_acx_ac_cfg(wl, AC_BK, CWMIN_BK, CWMAX_BK, AIFS_DIFS, TXOP_BK); | ||
| 298 | wl1251_acx_ac_cfg(wl, AC_VI, CWMIN_VI, CWMAX_VI, AIFS_DIFS, TXOP_VI); | ||
| 299 | wl1251_acx_ac_cfg(wl, AC_VO, CWMIN_VO, CWMAX_VO, AIFS_DIFS, TXOP_VO); | ||
| 300 | |||
| 301 | out: | ||
| 302 | kfree(config); | ||
| 303 | return ret; | ||
| 304 | } | ||
| 305 | |||
| 306 | static int wl1251_hw_init_data_path_config(struct wl1251 *wl) | ||
| 307 | { | ||
| 308 | int ret; | ||
| 309 | |||
| 310 | /* asking for the data path parameters */ | ||
| 311 | wl->data_path = kzalloc(sizeof(struct acx_data_path_params_resp), | ||
| 312 | GFP_KERNEL); | ||
| 313 | if (!wl->data_path) { | ||
| 314 | wl1251_error("Couldnt allocate data path parameters"); | ||
| 315 | return -ENOMEM; | ||
| 316 | } | ||
| 317 | |||
| 318 | ret = wl1251_acx_data_path_params(wl, wl->data_path); | ||
| 319 | if (ret < 0) { | ||
| 320 | kfree(wl->data_path); | ||
| 321 | wl->data_path = NULL; | ||
| 322 | return ret; | ||
| 323 | } | ||
| 324 | |||
| 325 | return 0; | ||
| 326 | } | ||
| 327 | |||
| 328 | |||
| 329 | int wl1251_hw_init(struct wl1251 *wl) | ||
| 330 | { | ||
| 331 | struct wl1251_acx_mem_map *wl_mem_map; | ||
| 332 | int ret; | ||
| 333 | |||
| 334 | ret = wl1251_hw_init_hwenc_config(wl); | ||
| 335 | if (ret < 0) | ||
| 336 | return ret; | ||
| 337 | |||
| 338 | /* Template settings */ | ||
| 339 | ret = wl1251_hw_init_templates_config(wl); | ||
| 340 | if (ret < 0) | ||
| 341 | return ret; | ||
| 342 | |||
| 343 | /* Default memory configuration */ | ||
| 344 | ret = wl1251_hw_init_mem_config(wl); | ||
| 345 | if (ret < 0) | ||
| 346 | return ret; | ||
| 347 | |||
| 348 | /* Default data path configuration */ | ||
| 349 | ret = wl1251_hw_init_data_path_config(wl); | ||
| 350 | if (ret < 0) | ||
| 351 | goto out_free_memmap; | ||
| 352 | |||
| 353 | /* RX config */ | ||
| 354 | ret = wl1251_hw_init_rx_config(wl, | ||
| 355 | RX_CFG_PROMISCUOUS | RX_CFG_TSF, | ||
| 356 | RX_FILTER_OPTION_DEF); | ||
| 357 | /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, | ||
| 358 | RX_FILTER_OPTION_FILTER_ALL); */ | ||
| 359 | if (ret < 0) | ||
| 360 | goto out_free_data_path; | ||
| 361 | |||
| 362 | /* TX queues config */ | ||
| 363 | ret = wl1251_hw_init_tx_queue_config(wl); | ||
| 364 | if (ret < 0) | ||
| 365 | goto out_free_data_path; | ||
| 366 | |||
| 367 | /* PHY layer config */ | ||
| 368 | ret = wl1251_hw_init_phy_config(wl); | ||
| 369 | if (ret < 0) | ||
| 370 | goto out_free_data_path; | ||
| 371 | |||
| 372 | /* Initialize connection monitoring thresholds */ | ||
| 373 | ret = wl1251_acx_conn_monit_params(wl); | ||
| 374 | if (ret < 0) | ||
| 375 | goto out_free_data_path; | ||
| 376 | |||
| 377 | /* Beacon filtering */ | ||
| 378 | ret = wl1251_hw_init_beacon_filter(wl); | ||
| 379 | if (ret < 0) | ||
| 380 | goto out_free_data_path; | ||
| 381 | |||
| 382 | /* Bluetooth WLAN coexistence */ | ||
| 383 | ret = wl1251_hw_init_pta(wl); | ||
| 384 | if (ret < 0) | ||
| 385 | goto out_free_data_path; | ||
| 386 | |||
| 387 | /* Energy detection */ | ||
| 388 | ret = wl1251_hw_init_energy_detection(wl); | ||
| 389 | if (ret < 0) | ||
| 390 | goto out_free_data_path; | ||
| 391 | |||
| 392 | /* Beacons and boradcast settings */ | ||
| 393 | ret = wl1251_hw_init_beacon_broadcast(wl); | ||
| 394 | if (ret < 0) | ||
| 395 | goto out_free_data_path; | ||
| 396 | |||
| 397 | /* Enable data path */ | ||
| 398 | ret = wl1251_cmd_data_path(wl, wl->channel, 1); | ||
| 399 | if (ret < 0) | ||
| 400 | goto out_free_data_path; | ||
| 401 | |||
| 402 | /* Default power state */ | ||
| 403 | ret = wl1251_hw_init_power_auth(wl); | ||
| 404 | if (ret < 0) | ||
| 405 | goto out_free_data_path; | ||
| 406 | |||
| 407 | wl_mem_map = wl->target_mem_map; | ||
| 408 | wl1251_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x", | ||
| 409 | wl_mem_map->num_tx_mem_blocks, | ||
| 410 | wl->data_path->tx_control_addr, | ||
| 411 | wl_mem_map->num_rx_mem_blocks, | ||
| 412 | wl->data_path->rx_control_addr); | ||
| 413 | |||
| 414 | return 0; | ||
| 415 | |||
| 416 | out_free_data_path: | ||
| 417 | kfree(wl->data_path); | ||
| 418 | |||
| 419 | out_free_memmap: | ||
| 420 | kfree(wl->target_mem_map); | ||
| 421 | |||
| 422 | return ret; | ||
| 423 | } | ||
