Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1 | /* |
Sujith Manoharan | 5b68138 | 2011-05-17 13:36:18 +0530 | [diff] [blame] | 2 | * Copyright (c) 2010-2011 Atheros Communications Inc. |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
Joe Perches | 516304b | 2012-03-18 17:30:52 -0700 | [diff] [blame] | 17 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 18 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 19 | #include "htc.h" |
| 20 | |
| 21 | MODULE_AUTHOR("Atheros Communications"); |
| 22 | MODULE_LICENSE("Dual BSD/GPL"); |
| 23 | MODULE_DESCRIPTION("Atheros driver 802.11n HTC based wireless devices"); |
| 24 | |
| 25 | static unsigned int ath9k_debug = ATH_DBG_DEFAULT; |
| 26 | module_param_named(debug, ath9k_debug, uint, 0); |
| 27 | MODULE_PARM_DESC(debug, "Debugging mask"); |
| 28 | |
Sujith | e1572c5 | 2010-03-24 13:42:13 +0530 | [diff] [blame] | 29 | int htc_modparam_nohwcrypt; |
| 30 | module_param_named(nohwcrypt, htc_modparam_nohwcrypt, int, 0444); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 31 | MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption"); |
| 32 | |
| 33 | #define CHAN2G(_freq, _idx) { \ |
| 34 | .center_freq = (_freq), \ |
| 35 | .hw_value = (_idx), \ |
| 36 | .max_power = 20, \ |
| 37 | } |
| 38 | |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 39 | #define CHAN5G(_freq, _idx) { \ |
| 40 | .band = IEEE80211_BAND_5GHZ, \ |
| 41 | .center_freq = (_freq), \ |
| 42 | .hw_value = (_idx), \ |
| 43 | .max_power = 20, \ |
| 44 | } |
| 45 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 46 | static struct ieee80211_channel ath9k_2ghz_channels[] = { |
| 47 | CHAN2G(2412, 0), /* Channel 1 */ |
| 48 | CHAN2G(2417, 1), /* Channel 2 */ |
| 49 | CHAN2G(2422, 2), /* Channel 3 */ |
| 50 | CHAN2G(2427, 3), /* Channel 4 */ |
| 51 | CHAN2G(2432, 4), /* Channel 5 */ |
| 52 | CHAN2G(2437, 5), /* Channel 6 */ |
| 53 | CHAN2G(2442, 6), /* Channel 7 */ |
| 54 | CHAN2G(2447, 7), /* Channel 8 */ |
| 55 | CHAN2G(2452, 8), /* Channel 9 */ |
| 56 | CHAN2G(2457, 9), /* Channel 10 */ |
| 57 | CHAN2G(2462, 10), /* Channel 11 */ |
| 58 | CHAN2G(2467, 11), /* Channel 12 */ |
| 59 | CHAN2G(2472, 12), /* Channel 13 */ |
| 60 | CHAN2G(2484, 13), /* Channel 14 */ |
| 61 | }; |
| 62 | |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 63 | static struct ieee80211_channel ath9k_5ghz_channels[] = { |
| 64 | /* _We_ call this UNII 1 */ |
| 65 | CHAN5G(5180, 14), /* Channel 36 */ |
| 66 | CHAN5G(5200, 15), /* Channel 40 */ |
| 67 | CHAN5G(5220, 16), /* Channel 44 */ |
| 68 | CHAN5G(5240, 17), /* Channel 48 */ |
| 69 | /* _We_ call this UNII 2 */ |
| 70 | CHAN5G(5260, 18), /* Channel 52 */ |
| 71 | CHAN5G(5280, 19), /* Channel 56 */ |
| 72 | CHAN5G(5300, 20), /* Channel 60 */ |
| 73 | CHAN5G(5320, 21), /* Channel 64 */ |
| 74 | /* _We_ call this "Middle band" */ |
| 75 | CHAN5G(5500, 22), /* Channel 100 */ |
| 76 | CHAN5G(5520, 23), /* Channel 104 */ |
| 77 | CHAN5G(5540, 24), /* Channel 108 */ |
| 78 | CHAN5G(5560, 25), /* Channel 112 */ |
| 79 | CHAN5G(5580, 26), /* Channel 116 */ |
| 80 | CHAN5G(5600, 27), /* Channel 120 */ |
| 81 | CHAN5G(5620, 28), /* Channel 124 */ |
| 82 | CHAN5G(5640, 29), /* Channel 128 */ |
| 83 | CHAN5G(5660, 30), /* Channel 132 */ |
| 84 | CHAN5G(5680, 31), /* Channel 136 */ |
| 85 | CHAN5G(5700, 32), /* Channel 140 */ |
| 86 | /* _We_ call this UNII 3 */ |
| 87 | CHAN5G(5745, 33), /* Channel 149 */ |
| 88 | CHAN5G(5765, 34), /* Channel 153 */ |
| 89 | CHAN5G(5785, 35), /* Channel 157 */ |
| 90 | CHAN5G(5805, 36), /* Channel 161 */ |
| 91 | CHAN5G(5825, 37), /* Channel 165 */ |
| 92 | }; |
| 93 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 94 | /* Atheros hardware rate code addition for short premble */ |
| 95 | #define SHPCHECK(__hw_rate, __flags) \ |
| 96 | ((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04) : 0) |
| 97 | |
| 98 | #define RATE(_bitrate, _hw_rate, _flags) { \ |
| 99 | .bitrate = (_bitrate), \ |
| 100 | .flags = (_flags), \ |
| 101 | .hw_value = (_hw_rate), \ |
| 102 | .hw_value_short = (SHPCHECK(_hw_rate, _flags)) \ |
| 103 | } |
| 104 | |
| 105 | static struct ieee80211_rate ath9k_legacy_rates[] = { |
| 106 | RATE(10, 0x1b, 0), |
| 107 | RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp : 0x1e */ |
| 108 | RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp: 0x1d */ |
| 109 | RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE), /* short: 0x1c */ |
| 110 | RATE(60, 0x0b, 0), |
| 111 | RATE(90, 0x0f, 0), |
| 112 | RATE(120, 0x0a, 0), |
| 113 | RATE(180, 0x0e, 0), |
| 114 | RATE(240, 0x09, 0), |
| 115 | RATE(360, 0x0d, 0), |
| 116 | RATE(480, 0x08, 0), |
| 117 | RATE(540, 0x0c, 0), |
| 118 | }; |
| 119 | |
Sujith Manoharan | d244f21 | 2011-04-28 16:14:05 +0530 | [diff] [blame] | 120 | #ifdef CONFIG_MAC80211_LEDS |
| 121 | static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = { |
| 122 | { .throughput = 0 * 1024, .blink_time = 334 }, |
| 123 | { .throughput = 1 * 1024, .blink_time = 260 }, |
| 124 | { .throughput = 5 * 1024, .blink_time = 220 }, |
| 125 | { .throughput = 10 * 1024, .blink_time = 190 }, |
| 126 | { .throughput = 20 * 1024, .blink_time = 170 }, |
| 127 | { .throughput = 50 * 1024, .blink_time = 150 }, |
| 128 | { .throughput = 70 * 1024, .blink_time = 130 }, |
| 129 | { .throughput = 100 * 1024, .blink_time = 110 }, |
| 130 | { .throughput = 200 * 1024, .blink_time = 80 }, |
| 131 | { .throughput = 300 * 1024, .blink_time = 50 }, |
| 132 | }; |
| 133 | #endif |
| 134 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 135 | static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv) |
| 136 | { |
| 137 | int time_left; |
| 138 | |
Sujith.Manoharan@atheros.com | d8c49ff | 2010-05-11 16:24:43 +0530 | [diff] [blame] | 139 | if (atomic_read(&priv->htc->tgt_ready) > 0) { |
| 140 | atomic_dec(&priv->htc->tgt_ready); |
| 141 | return 0; |
| 142 | } |
| 143 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 144 | /* Firmware can take up to 50ms to get ready, to be safe use 1 second */ |
| 145 | time_left = wait_for_completion_timeout(&priv->htc->target_wait, HZ); |
| 146 | if (!time_left) { |
| 147 | dev_err(priv->dev, "ath9k_htc: Target is unresponsive\n"); |
| 148 | return -ETIMEDOUT; |
| 149 | } |
| 150 | |
Sujith.Manoharan@atheros.com | d8c49ff | 2010-05-11 16:24:43 +0530 | [diff] [blame] | 151 | atomic_dec(&priv->htc->tgt_ready); |
| 152 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 153 | return 0; |
| 154 | } |
| 155 | |
| 156 | static void ath9k_deinit_priv(struct ath9k_htc_priv *priv) |
| 157 | { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 158 | ath9k_hw_deinit(priv->ah); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 159 | kfree(priv->ah); |
| 160 | priv->ah = NULL; |
| 161 | } |
| 162 | |
| 163 | static void ath9k_deinit_device(struct ath9k_htc_priv *priv) |
| 164 | { |
| 165 | struct ieee80211_hw *hw = priv->hw; |
| 166 | |
| 167 | wiphy_rfkill_stop_polling(hw->wiphy); |
| 168 | ath9k_deinit_leds(priv); |
| 169 | ieee80211_unregister_hw(hw); |
| 170 | ath9k_rx_cleanup(priv); |
| 171 | ath9k_tx_cleanup(priv); |
| 172 | ath9k_deinit_priv(priv); |
| 173 | } |
| 174 | |
| 175 | static inline int ath9k_htc_connect_svc(struct ath9k_htc_priv *priv, |
| 176 | u16 service_id, |
| 177 | void (*tx) (void *, |
| 178 | struct sk_buff *, |
| 179 | enum htc_endpoint_id, |
| 180 | bool txok), |
| 181 | enum htc_endpoint_id *ep_id) |
| 182 | { |
| 183 | struct htc_service_connreq req; |
| 184 | |
| 185 | memset(&req, 0, sizeof(struct htc_service_connreq)); |
| 186 | |
| 187 | req.service_id = service_id; |
| 188 | req.ep_callbacks.priv = priv; |
| 189 | req.ep_callbacks.rx = ath9k_htc_rxep; |
| 190 | req.ep_callbacks.tx = tx; |
| 191 | |
| 192 | return htc_connect_service(priv->htc, &req, ep_id); |
| 193 | } |
| 194 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 195 | static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid, |
| 196 | u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 197 | { |
| 198 | int ret; |
| 199 | |
| 200 | /* WMI CMD*/ |
| 201 | ret = ath9k_wmi_connect(priv->htc, priv->wmi, &priv->wmi_cmd_ep); |
| 202 | if (ret) |
| 203 | goto err; |
| 204 | |
| 205 | /* Beacon */ |
Sujith | 9c6dda4 | 2010-05-06 14:45:47 +0530 | [diff] [blame] | 206 | ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, ath9k_htc_beaconep, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 207 | &priv->beacon_ep); |
| 208 | if (ret) |
| 209 | goto err; |
| 210 | |
| 211 | /* CAB */ |
| 212 | ret = ath9k_htc_connect_svc(priv, WMI_CAB_SVC, ath9k_htc_txep, |
| 213 | &priv->cab_ep); |
| 214 | if (ret) |
| 215 | goto err; |
| 216 | |
| 217 | |
| 218 | /* UAPSD */ |
| 219 | ret = ath9k_htc_connect_svc(priv, WMI_UAPSD_SVC, ath9k_htc_txep, |
| 220 | &priv->uapsd_ep); |
| 221 | if (ret) |
| 222 | goto err; |
| 223 | |
| 224 | /* MGMT */ |
| 225 | ret = ath9k_htc_connect_svc(priv, WMI_MGMT_SVC, ath9k_htc_txep, |
| 226 | &priv->mgmt_ep); |
| 227 | if (ret) |
| 228 | goto err; |
| 229 | |
| 230 | /* DATA BE */ |
| 231 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_BE_SVC, ath9k_htc_txep, |
| 232 | &priv->data_be_ep); |
| 233 | if (ret) |
| 234 | goto err; |
| 235 | |
| 236 | /* DATA BK */ |
| 237 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_BK_SVC, ath9k_htc_txep, |
| 238 | &priv->data_bk_ep); |
| 239 | if (ret) |
| 240 | goto err; |
| 241 | |
| 242 | /* DATA VI */ |
| 243 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_VI_SVC, ath9k_htc_txep, |
| 244 | &priv->data_vi_ep); |
| 245 | if (ret) |
| 246 | goto err; |
| 247 | |
| 248 | /* DATA VO */ |
| 249 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_VO_SVC, ath9k_htc_txep, |
| 250 | &priv->data_vo_ep); |
| 251 | if (ret) |
| 252 | goto err; |
| 253 | |
Sujith | 6267dc7 | 2010-06-02 15:53:54 +0530 | [diff] [blame] | 254 | /* |
| 255 | * Setup required credits before initializing HTC. |
| 256 | * This is a bit hacky, but, since queuing is done in |
| 257 | * the HIF layer, shouldn't matter much. |
| 258 | */ |
| 259 | |
Sujith Manoharan | 0b5ead9 | 2010-12-07 16:31:38 +0530 | [diff] [blame] | 260 | if (IS_AR7010_DEVICE(drv_info)) |
Sujith Manoharan | d108e8b | 2011-05-17 12:42:24 +0530 | [diff] [blame] | 261 | priv->htc->credits = 45; |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 262 | else |
Sujith | 4e63f76 | 2010-06-17 10:29:01 +0530 | [diff] [blame] | 263 | priv->htc->credits = 33; |
Sujith | 6267dc7 | 2010-06-02 15:53:54 +0530 | [diff] [blame] | 264 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 265 | ret = htc_init(priv->htc); |
| 266 | if (ret) |
| 267 | goto err; |
| 268 | |
Sujith | 6267dc7 | 2010-06-02 15:53:54 +0530 | [diff] [blame] | 269 | dev_info(priv->dev, "ath9k_htc: HTC initialized with %d credits\n", |
| 270 | priv->htc->credits); |
| 271 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 272 | return 0; |
| 273 | |
| 274 | err: |
| 275 | dev_err(priv->dev, "ath9k_htc: Unable to initialize HTC services\n"); |
| 276 | return ret; |
| 277 | } |
| 278 | |
| 279 | static int ath9k_reg_notifier(struct wiphy *wiphy, |
| 280 | struct regulatory_request *request) |
| 281 | { |
| 282 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| 283 | struct ath9k_htc_priv *priv = hw->priv; |
| 284 | |
| 285 | return ath_reg_notifier_apply(wiphy, request, |
| 286 | ath9k_hw_regulatory(priv->ah)); |
| 287 | } |
| 288 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 289 | static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 290 | { |
| 291 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 292 | struct ath_common *common = ath9k_hw_common(ah); |
| 293 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 294 | __be32 val, reg = cpu_to_be32(reg_offset); |
| 295 | int r; |
| 296 | |
| 297 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID, |
| 298 | (u8 *) ®, sizeof(reg), |
| 299 | (u8 *) &val, sizeof(val), |
| 300 | 100); |
| 301 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 302 | ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n", |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 303 | reg_offset, r); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 304 | return -EIO; |
| 305 | } |
| 306 | |
| 307 | return be32_to_cpu(val); |
| 308 | } |
| 309 | |
Sujith Manoharan | 09a525d | 2011-01-04 13:17:18 +0530 | [diff] [blame] | 310 | static void ath9k_multi_regread(void *hw_priv, u32 *addr, |
| 311 | u32 *val, u16 count) |
| 312 | { |
| 313 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 314 | struct ath_common *common = ath9k_hw_common(ah); |
| 315 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 316 | __be32 tmpaddr[8]; |
| 317 | __be32 tmpval[8]; |
| 318 | int i, ret; |
| 319 | |
| 320 | for (i = 0; i < count; i++) { |
| 321 | tmpaddr[i] = cpu_to_be32(addr[i]); |
| 322 | } |
| 323 | |
| 324 | ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID, |
| 325 | (u8 *)tmpaddr , sizeof(u32) * count, |
| 326 | (u8 *)tmpval, sizeof(u32) * count, |
| 327 | 100); |
| 328 | if (unlikely(ret)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 329 | ath_dbg(common, WMI, |
Sujith Manoharan | 09a525d | 2011-01-04 13:17:18 +0530 | [diff] [blame] | 330 | "Multiple REGISTER READ FAILED (count: %d)\n", count); |
| 331 | } |
| 332 | |
| 333 | for (i = 0; i < count; i++) { |
| 334 | val[i] = be32_to_cpu(tmpval[i]); |
| 335 | } |
| 336 | } |
| 337 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 338 | static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 339 | { |
| 340 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 341 | struct ath_common *common = ath9k_hw_common(ah); |
| 342 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
Joe Perches | 07b2fa5 | 2010-11-20 18:38:53 -0800 | [diff] [blame] | 343 | const __be32 buf[2] = { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 344 | cpu_to_be32(reg_offset), |
| 345 | cpu_to_be32(val), |
| 346 | }; |
| 347 | int r; |
| 348 | |
| 349 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, |
| 350 | (u8 *) &buf, sizeof(buf), |
| 351 | (u8 *) &val, sizeof(val), |
| 352 | 100); |
| 353 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 354 | ath_dbg(common, WMI, "REGISTER WRITE FAILED:(0x%04x, %d)\n", |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 355 | reg_offset, r); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 356 | } |
| 357 | } |
| 358 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 359 | static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset) |
| 360 | { |
| 361 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 362 | struct ath_common *common = ath9k_hw_common(ah); |
| 363 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 364 | u32 rsp_status; |
| 365 | int r; |
| 366 | |
| 367 | mutex_lock(&priv->wmi->multi_write_mutex); |
| 368 | |
| 369 | /* Store the register/value */ |
| 370 | priv->wmi->multi_write[priv->wmi->multi_write_idx].reg = |
| 371 | cpu_to_be32(reg_offset); |
| 372 | priv->wmi->multi_write[priv->wmi->multi_write_idx].val = |
| 373 | cpu_to_be32(val); |
| 374 | |
| 375 | priv->wmi->multi_write_idx++; |
| 376 | |
| 377 | /* If the buffer is full, send it out. */ |
| 378 | if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER) { |
| 379 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, |
| 380 | (u8 *) &priv->wmi->multi_write, |
| 381 | sizeof(struct register_write) * priv->wmi->multi_write_idx, |
| 382 | (u8 *) &rsp_status, sizeof(rsp_status), |
| 383 | 100); |
| 384 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 385 | ath_dbg(common, WMI, |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 386 | "REGISTER WRITE FAILED, multi len: %d\n", |
| 387 | priv->wmi->multi_write_idx); |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 388 | } |
| 389 | priv->wmi->multi_write_idx = 0; |
| 390 | } |
| 391 | |
| 392 | mutex_unlock(&priv->wmi->multi_write_mutex); |
| 393 | } |
| 394 | |
| 395 | static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset) |
| 396 | { |
| 397 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 398 | struct ath_common *common = ath9k_hw_common(ah); |
| 399 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 400 | |
| 401 | if (atomic_read(&priv->wmi->mwrite_cnt)) |
| 402 | ath9k_regwrite_buffer(hw_priv, val, reg_offset); |
| 403 | else |
| 404 | ath9k_regwrite_single(hw_priv, val, reg_offset); |
| 405 | } |
| 406 | |
| 407 | static void ath9k_enable_regwrite_buffer(void *hw_priv) |
| 408 | { |
| 409 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 410 | struct ath_common *common = ath9k_hw_common(ah); |
| 411 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 412 | |
| 413 | atomic_inc(&priv->wmi->mwrite_cnt); |
| 414 | } |
| 415 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 416 | static void ath9k_regwrite_flush(void *hw_priv) |
| 417 | { |
| 418 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 419 | struct ath_common *common = ath9k_hw_common(ah); |
| 420 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 421 | u32 rsp_status; |
| 422 | int r; |
| 423 | |
Felix Fietkau | 435c161 | 2010-10-05 12:03:42 +0200 | [diff] [blame] | 424 | atomic_dec(&priv->wmi->mwrite_cnt); |
| 425 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 426 | mutex_lock(&priv->wmi->multi_write_mutex); |
| 427 | |
| 428 | if (priv->wmi->multi_write_idx) { |
| 429 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, |
| 430 | (u8 *) &priv->wmi->multi_write, |
| 431 | sizeof(struct register_write) * priv->wmi->multi_write_idx, |
| 432 | (u8 *) &rsp_status, sizeof(rsp_status), |
| 433 | 100); |
| 434 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 435 | ath_dbg(common, WMI, |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 436 | "REGISTER WRITE FAILED, multi len: %d\n", |
| 437 | priv->wmi->multi_write_idx); |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 438 | } |
| 439 | priv->wmi->multi_write_idx = 0; |
| 440 | } |
| 441 | |
| 442 | mutex_unlock(&priv->wmi->multi_write_mutex); |
| 443 | } |
| 444 | |
Felix Fietkau | 845e03c | 2011-03-23 20:57:25 +0100 | [diff] [blame] | 445 | static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr) |
| 446 | { |
| 447 | u32 val; |
| 448 | |
| 449 | val = ath9k_regread(hw_priv, reg_offset); |
| 450 | val &= ~clr; |
| 451 | val |= set; |
| 452 | ath9k_regwrite(hw_priv, val, reg_offset); |
| 453 | return val; |
| 454 | } |
| 455 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 456 | static void ath_usb_read_cachesize(struct ath_common *common, int *csz) |
| 457 | { |
| 458 | *csz = L1_CACHE_BYTES >> 2; |
| 459 | } |
| 460 | |
| 461 | static bool ath_usb_eeprom_read(struct ath_common *common, u32 off, u16 *data) |
| 462 | { |
| 463 | struct ath_hw *ah = (struct ath_hw *) common->ah; |
| 464 | |
| 465 | (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); |
| 466 | |
| 467 | if (!ath9k_hw_wait(ah, |
| 468 | AR_EEPROM_STATUS_DATA, |
| 469 | AR_EEPROM_STATUS_DATA_BUSY | |
| 470 | AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, |
| 471 | AH_WAIT_TIMEOUT)) |
| 472 | return false; |
| 473 | |
| 474 | *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA), |
| 475 | AR_EEPROM_STATUS_DATA_VAL); |
| 476 | |
| 477 | return true; |
| 478 | } |
| 479 | |
| 480 | static const struct ath_bus_ops ath9k_usb_bus_ops = { |
Sujith | 497ad9a | 2010-04-01 10:28:20 +0530 | [diff] [blame] | 481 | .ath_bus_type = ATH_USB, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 482 | .read_cachesize = ath_usb_read_cachesize, |
| 483 | .eeprom_read = ath_usb_eeprom_read, |
| 484 | }; |
| 485 | |
| 486 | static void setup_ht_cap(struct ath9k_htc_priv *priv, |
| 487 | struct ieee80211_sta_ht_cap *ht_info) |
| 488 | { |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 489 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 490 | u8 tx_streams, rx_streams; |
| 491 | int i; |
| 492 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 493 | ht_info->ht_supported = true; |
| 494 | ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | |
| 495 | IEEE80211_HT_CAP_SM_PS | |
| 496 | IEEE80211_HT_CAP_SGI_40 | |
| 497 | IEEE80211_HT_CAP_DSSSCCK40; |
| 498 | |
Sujith | b4dec5e | 2010-05-17 12:01:19 +0530 | [diff] [blame] | 499 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) |
| 500 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 501 | |
Sujith | 17525f9 | 2010-05-17 12:01:21 +0530 | [diff] [blame] | 502 | ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); |
| 503 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 504 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| 505 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; |
| 506 | |
| 507 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 508 | |
| 509 | /* ath9k_htc supports only 1 or 2 stream devices */ |
Felix Fietkau | 82b2d33 | 2011-09-03 01:40:23 +0200 | [diff] [blame] | 510 | tx_streams = ath9k_cmn_count_streams(priv->ah->txchainmask, 2); |
| 511 | rx_streams = ath9k_cmn_count_streams(priv->ah->rxchainmask, 2); |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 512 | |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 513 | ath_dbg(common, CONFIG, "TX streams %d, RX streams: %d\n", |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 514 | tx_streams, rx_streams); |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 515 | |
| 516 | if (tx_streams != rx_streams) { |
| 517 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; |
| 518 | ht_info->mcs.tx_params |= ((tx_streams - 1) << |
| 519 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); |
| 520 | } |
| 521 | |
| 522 | for (i = 0; i < rx_streams; i++) |
| 523 | ht_info->mcs.rx_mask[i] = 0xff; |
| 524 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 525 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; |
| 526 | } |
| 527 | |
| 528 | static int ath9k_init_queues(struct ath9k_htc_priv *priv) |
| 529 | { |
| 530 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 531 | int i; |
| 532 | |
| 533 | for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++) |
| 534 | priv->hwq_map[i] = -1; |
| 535 | |
Sujith | ca74b83 | 2010-05-14 11:18:56 +0530 | [diff] [blame] | 536 | priv->beaconq = ath9k_hw_beaconq_setup(priv->ah); |
| 537 | if (priv->beaconq == -1) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 538 | ath_err(common, "Unable to setup BEACON xmit queue\n"); |
Sujith | ca74b83 | 2010-05-14 11:18:56 +0530 | [diff] [blame] | 539 | goto err; |
| 540 | } |
| 541 | |
| 542 | priv->cabq = ath9k_htc_cabq_setup(priv); |
| 543 | if (priv->cabq == -1) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 544 | ath_err(common, "Unable to setup CAB xmit queue\n"); |
Sujith | ca74b83 | 2010-05-14 11:18:56 +0530 | [diff] [blame] | 545 | goto err; |
| 546 | } |
| 547 | |
Felix Fietkau | e8c35a7 | 2010-06-12 00:33:50 -0400 | [diff] [blame] | 548 | if (!ath9k_htc_txq_setup(priv, WME_AC_BE)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 549 | ath_err(common, "Unable to setup xmit queue for BE traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 550 | goto err; |
| 551 | } |
| 552 | |
Felix Fietkau | e8c35a7 | 2010-06-12 00:33:50 -0400 | [diff] [blame] | 553 | if (!ath9k_htc_txq_setup(priv, WME_AC_BK)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 554 | ath_err(common, "Unable to setup xmit queue for BK traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 555 | goto err; |
| 556 | } |
Felix Fietkau | e8c35a7 | 2010-06-12 00:33:50 -0400 | [diff] [blame] | 557 | if (!ath9k_htc_txq_setup(priv, WME_AC_VI)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 558 | ath_err(common, "Unable to setup xmit queue for VI traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 559 | goto err; |
| 560 | } |
Felix Fietkau | e8c35a7 | 2010-06-12 00:33:50 -0400 | [diff] [blame] | 561 | if (!ath9k_htc_txq_setup(priv, WME_AC_VO)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 562 | ath_err(common, "Unable to setup xmit queue for VO traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 563 | goto err; |
| 564 | } |
| 565 | |
| 566 | return 0; |
| 567 | |
| 568 | err: |
| 569 | return -EINVAL; |
| 570 | } |
| 571 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 572 | static void ath9k_init_channels_rates(struct ath9k_htc_priv *priv) |
| 573 | { |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 574 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 575 | priv->sbands[IEEE80211_BAND_2GHZ].channels = |
| 576 | ath9k_2ghz_channels; |
| 577 | priv->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ; |
| 578 | priv->sbands[IEEE80211_BAND_2GHZ].n_channels = |
| 579 | ARRAY_SIZE(ath9k_2ghz_channels); |
| 580 | priv->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates; |
| 581 | priv->sbands[IEEE80211_BAND_2GHZ].n_bitrates = |
| 582 | ARRAY_SIZE(ath9k_legacy_rates); |
| 583 | } |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 584 | |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 585 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) { |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 586 | priv->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_channels; |
| 587 | priv->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ; |
| 588 | priv->sbands[IEEE80211_BAND_5GHZ].n_channels = |
| 589 | ARRAY_SIZE(ath9k_5ghz_channels); |
| 590 | priv->sbands[IEEE80211_BAND_5GHZ].bitrates = |
| 591 | ath9k_legacy_rates + 4; |
| 592 | priv->sbands[IEEE80211_BAND_5GHZ].n_bitrates = |
| 593 | ARRAY_SIZE(ath9k_legacy_rates) - 4; |
| 594 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 595 | } |
| 596 | |
| 597 | static void ath9k_init_misc(struct ath9k_htc_priv *priv) |
| 598 | { |
| 599 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 600 | |
Felix Fietkau | 364734f | 2010-09-14 20:22:44 +0200 | [diff] [blame] | 601 | memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 602 | |
Sujith | 9f01a84 | 2010-03-29 16:07:20 +0530 | [diff] [blame] | 603 | priv->ah->opmode = NL80211_IFTYPE_STATION; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 604 | } |
| 605 | |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 606 | static int ath9k_init_priv(struct ath9k_htc_priv *priv, |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 607 | u16 devid, char *product, |
| 608 | u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 609 | { |
| 610 | struct ath_hw *ah = NULL; |
| 611 | struct ath_common *common; |
Sujith Manoharan | 832f6a1 | 2011-04-13 11:23:08 +0530 | [diff] [blame] | 612 | int i, ret = 0, csz = 0; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 613 | |
| 614 | priv->op_flags |= OP_INVALID; |
| 615 | |
| 616 | ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL); |
| 617 | if (!ah) |
| 618 | return -ENOMEM; |
| 619 | |
| 620 | ah->hw_version.devid = devid; |
Sujith Manoharan | 0b5ead9 | 2010-12-07 16:31:38 +0530 | [diff] [blame] | 621 | ah->hw_version.usbdev = drv_info; |
Felix Fietkau | f8afa42 | 2010-11-22 18:26:51 +0100 | [diff] [blame] | 622 | ah->ah_flags |= AH_USE_EEPROM; |
Felix Fietkau | f9f84e9 | 2011-03-23 20:57:24 +0100 | [diff] [blame] | 623 | ah->reg_ops.read = ath9k_regread; |
| 624 | ah->reg_ops.multi_read = ath9k_multi_regread; |
| 625 | ah->reg_ops.write = ath9k_regwrite; |
| 626 | ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer; |
| 627 | ah->reg_ops.write_flush = ath9k_regwrite_flush; |
Felix Fietkau | 845e03c | 2011-03-23 20:57:25 +0100 | [diff] [blame] | 628 | ah->reg_ops.rmw = ath9k_reg_rmw; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 629 | priv->ah = ah; |
| 630 | |
| 631 | common = ath9k_hw_common(ah); |
Felix Fietkau | f9f84e9 | 2011-03-23 20:57:24 +0100 | [diff] [blame] | 632 | common->ops = &ah->reg_ops; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 633 | common->bus_ops = &ath9k_usb_bus_ops; |
| 634 | common->ah = ah; |
| 635 | common->hw = priv->hw; |
| 636 | common->priv = priv; |
| 637 | common->debug_mask = ath9k_debug; |
| 638 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 639 | spin_lock_init(&priv->beacon_lock); |
Sujith Manoharan | 658ef04 | 2011-04-13 11:25:00 +0530 | [diff] [blame] | 640 | spin_lock_init(&priv->tx.tx_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 641 | mutex_init(&priv->mutex); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 642 | mutex_init(&priv->htc_pm_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 643 | tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet, |
| 644 | (unsigned long)priv); |
Sujith Manoharan | 27876a2 | 2011-04-13 11:26:18 +0530 | [diff] [blame] | 645 | tasklet_init(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet, |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 646 | (unsigned long)priv); |
Sujith Manoharan | a236254 | 2011-02-21 07:49:38 +0530 | [diff] [blame] | 647 | INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 648 | INIT_WORK(&priv->ps_work, ath9k_ps_work); |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 649 | INIT_WORK(&priv->fatal_work, ath9k_fatal_work); |
Sujith Manoharan | 859c3ca | 2011-04-13 11:26:39 +0530 | [diff] [blame] | 650 | setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer, |
| 651 | (unsigned long)priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 652 | |
| 653 | /* |
| 654 | * Cache line size is used to size and align various |
| 655 | * structures used to communicate with the hardware. |
| 656 | */ |
| 657 | ath_read_cachesize(common, &csz); |
| 658 | common->cachelsz = csz << 2; /* convert to bytes */ |
| 659 | |
| 660 | ret = ath9k_hw_init(ah); |
| 661 | if (ret) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 662 | ath_err(common, |
| 663 | "Unable to initialize hardware; initialization status: %d\n", |
| 664 | ret); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 665 | goto err_hw; |
| 666 | } |
| 667 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 668 | ret = ath9k_init_queues(priv); |
| 669 | if (ret) |
| 670 | goto err_queues; |
| 671 | |
Sujith Manoharan | 832f6a1 | 2011-04-13 11:23:08 +0530 | [diff] [blame] | 672 | for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++) |
| 673 | priv->cur_beacon_conf.bslot[i] = NULL; |
| 674 | |
Rajkumar Manoharan | f82b4bd | 2011-08-13 10:28:15 +0530 | [diff] [blame] | 675 | ath9k_cmn_init_crypto(ah); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 676 | ath9k_init_channels_rates(priv); |
| 677 | ath9k_init_misc(priv); |
Sujith Manoharan | cee5341 | 2012-02-22 12:41:41 +0530 | [diff] [blame] | 678 | ath9k_htc_init_btcoex(priv, product); |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 679 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 680 | return 0; |
| 681 | |
| 682 | err_queues: |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 683 | ath9k_hw_deinit(ah); |
| 684 | err_hw: |
| 685 | |
| 686 | kfree(ah); |
| 687 | priv->ah = NULL; |
| 688 | |
| 689 | return ret; |
| 690 | } |
| 691 | |
| 692 | static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, |
| 693 | struct ieee80211_hw *hw) |
| 694 | { |
| 695 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 696 | |
| 697 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
| 698 | IEEE80211_HW_AMPDU_AGGREGATION | |
| 699 | IEEE80211_HW_SPECTRUM_MGMT | |
Sujith | 32fbcca | 2010-03-30 08:48:27 +0530 | [diff] [blame] | 700 | IEEE80211_HW_HAS_RATE_CONTROL | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 701 | IEEE80211_HW_RX_INCLUDES_FCS | |
| 702 | IEEE80211_HW_SUPPORTS_PS | |
Sujith Manoharan | 7d547eb | 2011-04-13 11:23:34 +0530 | [diff] [blame] | 703 | IEEE80211_HW_PS_NULLFUNC_STACK | |
Rajkumar Manoharan | 8ae2e12 | 2011-07-08 18:12:03 +0530 | [diff] [blame] | 704 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
Sujith Manoharan | 7d547eb | 2011-04-13 11:23:34 +0530 | [diff] [blame] | 705 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 706 | |
| 707 | hw->wiphy->interface_modes = |
| 708 | BIT(NL80211_IFTYPE_STATION) | |
Sujith Manoharan | 09d5b94 | 2011-04-13 11:27:06 +0530 | [diff] [blame] | 709 | BIT(NL80211_IFTYPE_ADHOC) | |
| 710 | BIT(NL80211_IFTYPE_AP) | |
| 711 | BIT(NL80211_IFTYPE_P2P_GO) | |
| 712 | BIT(NL80211_IFTYPE_P2P_CLIENT); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 713 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 714 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 715 | |
Johannes Berg | 81ddbb5 | 2012-03-26 18:47:18 +0200 | [diff] [blame] | 716 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN | |
| 717 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
Antonio Quartulli | d7d312c | 2012-01-17 23:13:30 +0100 | [diff] [blame] | 718 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 719 | hw->queues = 4; |
| 720 | hw->channel_change_time = 5000; |
| 721 | hw->max_listen_interval = 10; |
Sujith Manoharan | 3a0593e | 2011-04-20 14:33:28 +0530 | [diff] [blame] | 722 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 723 | hw->vif_data_size = sizeof(struct ath9k_htc_vif); |
| 724 | hw->sta_data_size = sizeof(struct ath9k_htc_sta); |
| 725 | |
| 726 | /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */ |
| 727 | hw->extra_tx_headroom = sizeof(struct tx_frame_hdr) + |
| 728 | sizeof(struct htc_frame_hdr) + 4; |
| 729 | |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 730 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 731 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 732 | &priv->sbands[IEEE80211_BAND_2GHZ]; |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 733 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 734 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 735 | &priv->sbands[IEEE80211_BAND_5GHZ]; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 736 | |
| 737 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_HT) { |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 738 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 739 | setup_ht_cap(priv, |
| 740 | &priv->sbands[IEEE80211_BAND_2GHZ].ht_cap); |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 741 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 742 | setup_ht_cap(priv, |
| 743 | &priv->sbands[IEEE80211_BAND_5GHZ].ht_cap); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 744 | } |
| 745 | |
| 746 | SET_IEEE80211_PERM_ADDR(hw, common->macaddr); |
| 747 | } |
| 748 | |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 749 | static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv) |
| 750 | { |
| 751 | struct ieee80211_hw *hw = priv->hw; |
| 752 | struct wmi_fw_version cmd_rsp; |
| 753 | int ret; |
| 754 | |
| 755 | memset(&cmd_rsp, 0, sizeof(cmd_rsp)); |
| 756 | |
| 757 | WMI_CMD(WMI_GET_FW_VERSION); |
| 758 | if (ret) |
| 759 | return -EINVAL; |
| 760 | |
| 761 | priv->fw_version_major = be16_to_cpu(cmd_rsp.major); |
| 762 | priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor); |
| 763 | |
| 764 | snprintf(hw->wiphy->fw_version, ETHTOOL_BUSINFO_LEN, "%d.%d", |
| 765 | priv->fw_version_major, |
| 766 | priv->fw_version_minor); |
| 767 | |
| 768 | dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n", |
| 769 | priv->fw_version_major, |
| 770 | priv->fw_version_minor); |
| 771 | |
Sujith Manoharan | 3a0593e | 2011-04-20 14:33:28 +0530 | [diff] [blame] | 772 | /* |
| 773 | * Check if the available FW matches the driver's |
| 774 | * required version. |
| 775 | */ |
| 776 | if (priv->fw_version_major != MAJOR_VERSION_REQ || |
| 777 | priv->fw_version_minor != MINOR_VERSION_REQ) { |
| 778 | dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n", |
| 779 | MAJOR_VERSION_REQ, MINOR_VERSION_REQ); |
| 780 | return -EINVAL; |
| 781 | } |
| 782 | |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 783 | return 0; |
| 784 | } |
| 785 | |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 786 | static int ath9k_init_device(struct ath9k_htc_priv *priv, |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 787 | u16 devid, char *product, u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 788 | { |
| 789 | struct ieee80211_hw *hw = priv->hw; |
| 790 | struct ath_common *common; |
| 791 | struct ath_hw *ah; |
| 792 | int error = 0; |
| 793 | struct ath_regulatory *reg; |
Sujith Manoharan | 3e3f1d1 | 2011-02-21 07:50:30 +0530 | [diff] [blame] | 794 | char hw_name[64]; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 795 | |
| 796 | /* Bring up device */ |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 797 | error = ath9k_init_priv(priv, devid, product, drv_info); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 798 | if (error != 0) |
| 799 | goto err_init; |
| 800 | |
| 801 | ah = priv->ah; |
| 802 | common = ath9k_hw_common(ah); |
| 803 | ath9k_set_hw_capab(priv, hw); |
| 804 | |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 805 | error = ath9k_init_firmware_version(priv); |
| 806 | if (error != 0) |
| 807 | goto err_fw; |
| 808 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 809 | /* Initialize regulatory */ |
| 810 | error = ath_regd_init(&common->regulatory, priv->hw->wiphy, |
| 811 | ath9k_reg_notifier); |
| 812 | if (error) |
| 813 | goto err_regd; |
| 814 | |
| 815 | reg = &common->regulatory; |
| 816 | |
| 817 | /* Setup TX */ |
| 818 | error = ath9k_tx_init(priv); |
| 819 | if (error != 0) |
| 820 | goto err_tx; |
| 821 | |
| 822 | /* Setup RX */ |
| 823 | error = ath9k_rx_init(priv); |
| 824 | if (error != 0) |
| 825 | goto err_rx; |
| 826 | |
Sujith Manoharan | d244f21 | 2011-04-28 16:14:05 +0530 | [diff] [blame] | 827 | #ifdef CONFIG_MAC80211_LEDS |
| 828 | /* must be initialized before ieee80211_register_hw */ |
| 829 | priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw, |
| 830 | IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink, |
| 831 | ARRAY_SIZE(ath9k_htc_tpt_blink)); |
| 832 | #endif |
| 833 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 834 | /* Register with mac80211 */ |
| 835 | error = ieee80211_register_hw(hw); |
| 836 | if (error) |
| 837 | goto err_register; |
| 838 | |
| 839 | /* Handle world regulatory */ |
| 840 | if (!ath_is_world_regd(reg)) { |
| 841 | error = regulatory_hint(hw->wiphy, reg->alpha2); |
| 842 | if (error) |
| 843 | goto err_world; |
| 844 | } |
| 845 | |
Rajkumar Manoharan | e5facc7 | 2011-04-15 15:42:24 +0530 | [diff] [blame] | 846 | error = ath9k_htc_init_debug(priv->ah); |
| 847 | if (error) { |
| 848 | ath_err(common, "Unable to create debugfs files\n"); |
| 849 | goto err_world; |
| 850 | } |
| 851 | |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 852 | ath_dbg(common, CONFIG, |
| 853 | "WMI:%d, BCN:%d, CAB:%d, UAPSD:%d, MGMT:%d, BE:%d, BK:%d, VI:%d, VO:%d\n", |
Sujith Manoharan | 3e3f1d1 | 2011-02-21 07:50:30 +0530 | [diff] [blame] | 854 | priv->wmi_cmd_ep, |
| 855 | priv->beacon_ep, |
| 856 | priv->cab_ep, |
| 857 | priv->uapsd_ep, |
| 858 | priv->mgmt_ep, |
| 859 | priv->data_be_ep, |
| 860 | priv->data_bk_ep, |
| 861 | priv->data_vi_ep, |
| 862 | priv->data_vo_ep); |
| 863 | |
| 864 | ath9k_hw_name(priv->ah, hw_name, sizeof(hw_name)); |
| 865 | wiphy_info(hw->wiphy, "%s\n", hw_name); |
| 866 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 867 | ath9k_init_leds(priv); |
| 868 | ath9k_start_rfkill_poll(priv); |
| 869 | |
| 870 | return 0; |
| 871 | |
| 872 | err_world: |
| 873 | ieee80211_unregister_hw(hw); |
| 874 | err_register: |
| 875 | ath9k_rx_cleanup(priv); |
| 876 | err_rx: |
| 877 | ath9k_tx_cleanup(priv); |
| 878 | err_tx: |
| 879 | /* Nothing */ |
| 880 | err_regd: |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 881 | /* Nothing */ |
| 882 | err_fw: |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 883 | ath9k_deinit_priv(priv); |
| 884 | err_init: |
| 885 | return error; |
| 886 | } |
| 887 | |
| 888 | int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 889 | u16 devid, char *product, u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 890 | { |
| 891 | struct ieee80211_hw *hw; |
| 892 | struct ath9k_htc_priv *priv; |
| 893 | int ret; |
| 894 | |
| 895 | hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops); |
| 896 | if (!hw) |
| 897 | return -ENOMEM; |
| 898 | |
| 899 | priv = hw->priv; |
| 900 | priv->hw = hw; |
| 901 | priv->htc = htc_handle; |
| 902 | priv->dev = dev; |
| 903 | htc_handle->drv_priv = priv; |
| 904 | SET_IEEE80211_DEV(hw, priv->dev); |
| 905 | |
| 906 | ret = ath9k_htc_wait_for_target(priv); |
| 907 | if (ret) |
| 908 | goto err_free; |
| 909 | |
| 910 | priv->wmi = ath9k_init_wmi(priv); |
| 911 | if (!priv->wmi) { |
| 912 | ret = -EINVAL; |
| 913 | goto err_free; |
| 914 | } |
| 915 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 916 | ret = ath9k_init_htc_services(priv, devid, drv_info); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 917 | if (ret) |
| 918 | goto err_init; |
| 919 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 920 | ret = ath9k_init_device(priv, devid, product, drv_info); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 921 | if (ret) |
| 922 | goto err_init; |
| 923 | |
| 924 | return 0; |
| 925 | |
| 926 | err_init: |
| 927 | ath9k_deinit_wmi(priv); |
| 928 | err_free: |
| 929 | ieee80211_free_hw(hw); |
| 930 | return ret; |
| 931 | } |
| 932 | |
| 933 | void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) |
| 934 | { |
| 935 | if (htc_handle->drv_priv) { |
Sujith | a3be14b | 2010-04-23 10:28:10 +0530 | [diff] [blame] | 936 | |
| 937 | /* Check if the device has been yanked out. */ |
| 938 | if (hotunplug) |
Sujith Manoharan | 97dcec5 | 2010-12-20 08:02:42 +0530 | [diff] [blame] | 939 | htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; |
Sujith | a3be14b | 2010-04-23 10:28:10 +0530 | [diff] [blame] | 940 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 941 | ath9k_deinit_device(htc_handle->drv_priv); |
| 942 | ath9k_deinit_wmi(htc_handle->drv_priv); |
| 943 | ieee80211_free_hw(htc_handle->drv_priv->hw); |
| 944 | } |
| 945 | } |
| 946 | |
| 947 | #ifdef CONFIG_PM |
Sujith Manoharan | f933ebe | 2010-12-01 12:30:27 +0530 | [diff] [blame] | 948 | |
| 949 | void ath9k_htc_suspend(struct htc_target *htc_handle) |
| 950 | { |
| 951 | ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP); |
| 952 | } |
| 953 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 954 | int ath9k_htc_resume(struct htc_target *htc_handle) |
| 955 | { |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 956 | struct ath9k_htc_priv *priv = htc_handle->drv_priv; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 957 | int ret; |
| 958 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 959 | ret = ath9k_htc_wait_for_target(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 960 | if (ret) |
| 961 | return ret; |
| 962 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 963 | ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid, |
Sujith Manoharan | 0b5ead9 | 2010-12-07 16:31:38 +0530 | [diff] [blame] | 964 | priv->ah->hw_version.usbdev); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 965 | return ret; |
| 966 | } |
| 967 | #endif |
| 968 | |
| 969 | static int __init ath9k_htc_init(void) |
| 970 | { |
Rajkumar Manoharan | e5facc7 | 2011-04-15 15:42:24 +0530 | [diff] [blame] | 971 | if (ath9k_hif_usb_init() < 0) { |
Joe Perches | 516304b | 2012-03-18 17:30:52 -0700 | [diff] [blame] | 972 | pr_err("No USB devices found, driver not installed\n"); |
Rajkumar Manoharan | e5facc7 | 2011-04-15 15:42:24 +0530 | [diff] [blame] | 973 | return -ENODEV; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 974 | } |
| 975 | |
| 976 | return 0; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 977 | } |
| 978 | module_init(ath9k_htc_init); |
| 979 | |
| 980 | static void __exit ath9k_htc_exit(void) |
| 981 | { |
| 982 | ath9k_hif_usb_exit(); |
Joe Perches | 516304b | 2012-03-18 17:30:52 -0700 | [diff] [blame] | 983 | pr_info("Driver unloaded\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 984 | } |
| 985 | module_exit(ath9k_htc_exit); |