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 | |
Mohammed Shafi Shajakhan | 7f34778e | 2012-09-04 19:33:38 +0530 | [diff] [blame] | 33 | static int ath9k_htc_btcoex_enable; |
| 34 | module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444); |
| 35 | MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence"); |
| 36 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 37 | #define CHAN2G(_freq, _idx) { \ |
| 38 | .center_freq = (_freq), \ |
| 39 | .hw_value = (_idx), \ |
| 40 | .max_power = 20, \ |
| 41 | } |
| 42 | |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 43 | #define CHAN5G(_freq, _idx) { \ |
| 44 | .band = IEEE80211_BAND_5GHZ, \ |
| 45 | .center_freq = (_freq), \ |
| 46 | .hw_value = (_idx), \ |
| 47 | .max_power = 20, \ |
| 48 | } |
| 49 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 50 | static struct ieee80211_channel ath9k_2ghz_channels[] = { |
| 51 | CHAN2G(2412, 0), /* Channel 1 */ |
| 52 | CHAN2G(2417, 1), /* Channel 2 */ |
| 53 | CHAN2G(2422, 2), /* Channel 3 */ |
| 54 | CHAN2G(2427, 3), /* Channel 4 */ |
| 55 | CHAN2G(2432, 4), /* Channel 5 */ |
| 56 | CHAN2G(2437, 5), /* Channel 6 */ |
| 57 | CHAN2G(2442, 6), /* Channel 7 */ |
| 58 | CHAN2G(2447, 7), /* Channel 8 */ |
| 59 | CHAN2G(2452, 8), /* Channel 9 */ |
| 60 | CHAN2G(2457, 9), /* Channel 10 */ |
| 61 | CHAN2G(2462, 10), /* Channel 11 */ |
| 62 | CHAN2G(2467, 11), /* Channel 12 */ |
| 63 | CHAN2G(2472, 12), /* Channel 13 */ |
| 64 | CHAN2G(2484, 13), /* Channel 14 */ |
| 65 | }; |
| 66 | |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 67 | static struct ieee80211_channel ath9k_5ghz_channels[] = { |
| 68 | /* _We_ call this UNII 1 */ |
| 69 | CHAN5G(5180, 14), /* Channel 36 */ |
| 70 | CHAN5G(5200, 15), /* Channel 40 */ |
| 71 | CHAN5G(5220, 16), /* Channel 44 */ |
| 72 | CHAN5G(5240, 17), /* Channel 48 */ |
| 73 | /* _We_ call this UNII 2 */ |
| 74 | CHAN5G(5260, 18), /* Channel 52 */ |
| 75 | CHAN5G(5280, 19), /* Channel 56 */ |
| 76 | CHAN5G(5300, 20), /* Channel 60 */ |
| 77 | CHAN5G(5320, 21), /* Channel 64 */ |
| 78 | /* _We_ call this "Middle band" */ |
| 79 | CHAN5G(5500, 22), /* Channel 100 */ |
| 80 | CHAN5G(5520, 23), /* Channel 104 */ |
| 81 | CHAN5G(5540, 24), /* Channel 108 */ |
| 82 | CHAN5G(5560, 25), /* Channel 112 */ |
| 83 | CHAN5G(5580, 26), /* Channel 116 */ |
| 84 | CHAN5G(5600, 27), /* Channel 120 */ |
| 85 | CHAN5G(5620, 28), /* Channel 124 */ |
| 86 | CHAN5G(5640, 29), /* Channel 128 */ |
| 87 | CHAN5G(5660, 30), /* Channel 132 */ |
| 88 | CHAN5G(5680, 31), /* Channel 136 */ |
| 89 | CHAN5G(5700, 32), /* Channel 140 */ |
| 90 | /* _We_ call this UNII 3 */ |
| 91 | CHAN5G(5745, 33), /* Channel 149 */ |
| 92 | CHAN5G(5765, 34), /* Channel 153 */ |
| 93 | CHAN5G(5785, 35), /* Channel 157 */ |
| 94 | CHAN5G(5805, 36), /* Channel 161 */ |
| 95 | CHAN5G(5825, 37), /* Channel 165 */ |
| 96 | }; |
| 97 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 98 | /* Atheros hardware rate code addition for short premble */ |
| 99 | #define SHPCHECK(__hw_rate, __flags) \ |
| 100 | ((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04) : 0) |
| 101 | |
| 102 | #define RATE(_bitrate, _hw_rate, _flags) { \ |
| 103 | .bitrate = (_bitrate), \ |
| 104 | .flags = (_flags), \ |
| 105 | .hw_value = (_hw_rate), \ |
| 106 | .hw_value_short = (SHPCHECK(_hw_rate, _flags)) \ |
| 107 | } |
| 108 | |
| 109 | static struct ieee80211_rate ath9k_legacy_rates[] = { |
| 110 | RATE(10, 0x1b, 0), |
| 111 | RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp : 0x1e */ |
| 112 | RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE), /* shortp: 0x1d */ |
| 113 | RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE), /* short: 0x1c */ |
| 114 | RATE(60, 0x0b, 0), |
| 115 | RATE(90, 0x0f, 0), |
| 116 | RATE(120, 0x0a, 0), |
| 117 | RATE(180, 0x0e, 0), |
| 118 | RATE(240, 0x09, 0), |
| 119 | RATE(360, 0x0d, 0), |
| 120 | RATE(480, 0x08, 0), |
| 121 | RATE(540, 0x0c, 0), |
| 122 | }; |
| 123 | |
Sujith Manoharan | d244f21 | 2011-04-28 16:14:05 +0530 | [diff] [blame] | 124 | #ifdef CONFIG_MAC80211_LEDS |
| 125 | static const struct ieee80211_tpt_blink ath9k_htc_tpt_blink[] = { |
| 126 | { .throughput = 0 * 1024, .blink_time = 334 }, |
| 127 | { .throughput = 1 * 1024, .blink_time = 260 }, |
| 128 | { .throughput = 5 * 1024, .blink_time = 220 }, |
| 129 | { .throughput = 10 * 1024, .blink_time = 190 }, |
| 130 | { .throughput = 20 * 1024, .blink_time = 170 }, |
| 131 | { .throughput = 50 * 1024, .blink_time = 150 }, |
| 132 | { .throughput = 70 * 1024, .blink_time = 130 }, |
| 133 | { .throughput = 100 * 1024, .blink_time = 110 }, |
| 134 | { .throughput = 200 * 1024, .blink_time = 80 }, |
| 135 | { .throughput = 300 * 1024, .blink_time = 50 }, |
| 136 | }; |
| 137 | #endif |
| 138 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 139 | static int ath9k_htc_wait_for_target(struct ath9k_htc_priv *priv) |
| 140 | { |
| 141 | int time_left; |
| 142 | |
Sujith.Manoharan@atheros.com | d8c49ff | 2010-05-11 16:24:43 +0530 | [diff] [blame] | 143 | if (atomic_read(&priv->htc->tgt_ready) > 0) { |
| 144 | atomic_dec(&priv->htc->tgt_ready); |
| 145 | return 0; |
| 146 | } |
| 147 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 148 | /* Firmware can take up to 50ms to get ready, to be safe use 1 second */ |
| 149 | time_left = wait_for_completion_timeout(&priv->htc->target_wait, HZ); |
| 150 | if (!time_left) { |
| 151 | dev_err(priv->dev, "ath9k_htc: Target is unresponsive\n"); |
| 152 | return -ETIMEDOUT; |
| 153 | } |
| 154 | |
Sujith.Manoharan@atheros.com | d8c49ff | 2010-05-11 16:24:43 +0530 | [diff] [blame] | 155 | atomic_dec(&priv->htc->tgt_ready); |
| 156 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | static void ath9k_deinit_priv(struct ath9k_htc_priv *priv) |
| 161 | { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 162 | ath9k_hw_deinit(priv->ah); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 163 | kfree(priv->ah); |
| 164 | priv->ah = NULL; |
| 165 | } |
| 166 | |
| 167 | static void ath9k_deinit_device(struct ath9k_htc_priv *priv) |
| 168 | { |
| 169 | struct ieee80211_hw *hw = priv->hw; |
| 170 | |
| 171 | wiphy_rfkill_stop_polling(hw->wiphy); |
| 172 | ath9k_deinit_leds(priv); |
| 173 | ieee80211_unregister_hw(hw); |
| 174 | ath9k_rx_cleanup(priv); |
| 175 | ath9k_tx_cleanup(priv); |
| 176 | ath9k_deinit_priv(priv); |
| 177 | } |
| 178 | |
| 179 | static inline int ath9k_htc_connect_svc(struct ath9k_htc_priv *priv, |
| 180 | u16 service_id, |
| 181 | void (*tx) (void *, |
| 182 | struct sk_buff *, |
| 183 | enum htc_endpoint_id, |
| 184 | bool txok), |
| 185 | enum htc_endpoint_id *ep_id) |
| 186 | { |
| 187 | struct htc_service_connreq req; |
| 188 | |
| 189 | memset(&req, 0, sizeof(struct htc_service_connreq)); |
| 190 | |
| 191 | req.service_id = service_id; |
| 192 | req.ep_callbacks.priv = priv; |
| 193 | req.ep_callbacks.rx = ath9k_htc_rxep; |
| 194 | req.ep_callbacks.tx = tx; |
| 195 | |
| 196 | return htc_connect_service(priv->htc, &req, ep_id); |
| 197 | } |
| 198 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 199 | static int ath9k_init_htc_services(struct ath9k_htc_priv *priv, u16 devid, |
| 200 | u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 201 | { |
| 202 | int ret; |
| 203 | |
| 204 | /* WMI CMD*/ |
| 205 | ret = ath9k_wmi_connect(priv->htc, priv->wmi, &priv->wmi_cmd_ep); |
| 206 | if (ret) |
| 207 | goto err; |
| 208 | |
| 209 | /* Beacon */ |
Sujith | 9c6dda4 | 2010-05-06 14:45:47 +0530 | [diff] [blame] | 210 | ret = ath9k_htc_connect_svc(priv, WMI_BEACON_SVC, ath9k_htc_beaconep, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 211 | &priv->beacon_ep); |
| 212 | if (ret) |
| 213 | goto err; |
| 214 | |
| 215 | /* CAB */ |
| 216 | ret = ath9k_htc_connect_svc(priv, WMI_CAB_SVC, ath9k_htc_txep, |
| 217 | &priv->cab_ep); |
| 218 | if (ret) |
| 219 | goto err; |
| 220 | |
| 221 | |
| 222 | /* UAPSD */ |
| 223 | ret = ath9k_htc_connect_svc(priv, WMI_UAPSD_SVC, ath9k_htc_txep, |
| 224 | &priv->uapsd_ep); |
| 225 | if (ret) |
| 226 | goto err; |
| 227 | |
| 228 | /* MGMT */ |
| 229 | ret = ath9k_htc_connect_svc(priv, WMI_MGMT_SVC, ath9k_htc_txep, |
| 230 | &priv->mgmt_ep); |
| 231 | if (ret) |
| 232 | goto err; |
| 233 | |
| 234 | /* DATA BE */ |
| 235 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_BE_SVC, ath9k_htc_txep, |
| 236 | &priv->data_be_ep); |
| 237 | if (ret) |
| 238 | goto err; |
| 239 | |
| 240 | /* DATA BK */ |
| 241 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_BK_SVC, ath9k_htc_txep, |
| 242 | &priv->data_bk_ep); |
| 243 | if (ret) |
| 244 | goto err; |
| 245 | |
| 246 | /* DATA VI */ |
| 247 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_VI_SVC, ath9k_htc_txep, |
| 248 | &priv->data_vi_ep); |
| 249 | if (ret) |
| 250 | goto err; |
| 251 | |
| 252 | /* DATA VO */ |
| 253 | ret = ath9k_htc_connect_svc(priv, WMI_DATA_VO_SVC, ath9k_htc_txep, |
| 254 | &priv->data_vo_ep); |
| 255 | if (ret) |
| 256 | goto err; |
| 257 | |
Sujith | 6267dc7 | 2010-06-02 15:53:54 +0530 | [diff] [blame] | 258 | /* |
| 259 | * Setup required credits before initializing HTC. |
| 260 | * This is a bit hacky, but, since queuing is done in |
| 261 | * the HIF layer, shouldn't matter much. |
| 262 | */ |
| 263 | |
Sujith Manoharan | 0b5ead9 | 2010-12-07 16:31:38 +0530 | [diff] [blame] | 264 | if (IS_AR7010_DEVICE(drv_info)) |
Sujith Manoharan | d108e8b | 2011-05-17 12:42:24 +0530 | [diff] [blame] | 265 | priv->htc->credits = 45; |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 266 | else |
Sujith | 4e63f76 | 2010-06-17 10:29:01 +0530 | [diff] [blame] | 267 | priv->htc->credits = 33; |
Sujith | 6267dc7 | 2010-06-02 15:53:54 +0530 | [diff] [blame] | 268 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 269 | ret = htc_init(priv->htc); |
| 270 | if (ret) |
| 271 | goto err; |
| 272 | |
Sujith | 6267dc7 | 2010-06-02 15:53:54 +0530 | [diff] [blame] | 273 | dev_info(priv->dev, "ath9k_htc: HTC initialized with %d credits\n", |
| 274 | priv->htc->credits); |
| 275 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 276 | return 0; |
| 277 | |
| 278 | err: |
| 279 | dev_err(priv->dev, "ath9k_htc: Unable to initialize HTC services\n"); |
| 280 | return ret; |
| 281 | } |
| 282 | |
Luis R. Rodriguez | 0c0280b | 2013-01-11 18:39:36 +0000 | [diff] [blame] | 283 | static void ath9k_reg_notifier(struct wiphy *wiphy, |
| 284 | struct regulatory_request *request) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 285 | { |
| 286 | struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); |
| 287 | struct ath9k_htc_priv *priv = hw->priv; |
| 288 | |
Luis R. Rodriguez | 0c0280b | 2013-01-11 18:39:36 +0000 | [diff] [blame] | 289 | ath_reg_notifier_apply(wiphy, request, |
| 290 | ath9k_hw_regulatory(priv->ah)); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 291 | } |
| 292 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 293 | static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 294 | { |
| 295 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 296 | struct ath_common *common = ath9k_hw_common(ah); |
| 297 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 298 | __be32 val, reg = cpu_to_be32(reg_offset); |
| 299 | int r; |
| 300 | |
| 301 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID, |
| 302 | (u8 *) ®, sizeof(reg), |
| 303 | (u8 *) &val, sizeof(val), |
| 304 | 100); |
| 305 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 306 | ath_dbg(common, WMI, "REGISTER READ FAILED: (0x%04x, %d)\n", |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 307 | reg_offset, r); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 308 | return -EIO; |
| 309 | } |
| 310 | |
| 311 | return be32_to_cpu(val); |
| 312 | } |
| 313 | |
Sujith Manoharan | 09a525d | 2011-01-04 13:17:18 +0530 | [diff] [blame] | 314 | static void ath9k_multi_regread(void *hw_priv, u32 *addr, |
| 315 | u32 *val, u16 count) |
| 316 | { |
| 317 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 318 | struct ath_common *common = ath9k_hw_common(ah); |
| 319 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 320 | __be32 tmpaddr[8]; |
| 321 | __be32 tmpval[8]; |
| 322 | int i, ret; |
| 323 | |
| 324 | for (i = 0; i < count; i++) { |
| 325 | tmpaddr[i] = cpu_to_be32(addr[i]); |
| 326 | } |
| 327 | |
| 328 | ret = ath9k_wmi_cmd(priv->wmi, WMI_REG_READ_CMDID, |
| 329 | (u8 *)tmpaddr , sizeof(u32) * count, |
| 330 | (u8 *)tmpval, sizeof(u32) * count, |
| 331 | 100); |
| 332 | if (unlikely(ret)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 333 | ath_dbg(common, WMI, |
Sujith Manoharan | 09a525d | 2011-01-04 13:17:18 +0530 | [diff] [blame] | 334 | "Multiple REGISTER READ FAILED (count: %d)\n", count); |
| 335 | } |
| 336 | |
| 337 | for (i = 0; i < count; i++) { |
| 338 | val[i] = be32_to_cpu(tmpval[i]); |
| 339 | } |
| 340 | } |
| 341 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 342 | static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 343 | { |
| 344 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 345 | struct ath_common *common = ath9k_hw_common(ah); |
| 346 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
Joe Perches | 07b2fa5 | 2010-11-20 18:38:53 -0800 | [diff] [blame] | 347 | const __be32 buf[2] = { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 348 | cpu_to_be32(reg_offset), |
| 349 | cpu_to_be32(val), |
| 350 | }; |
| 351 | int r; |
| 352 | |
| 353 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, |
| 354 | (u8 *) &buf, sizeof(buf), |
| 355 | (u8 *) &val, sizeof(val), |
| 356 | 100); |
| 357 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 358 | ath_dbg(common, WMI, "REGISTER WRITE FAILED:(0x%04x, %d)\n", |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 359 | reg_offset, r); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 360 | } |
| 361 | } |
| 362 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 363 | static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset) |
| 364 | { |
| 365 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 366 | struct ath_common *common = ath9k_hw_common(ah); |
| 367 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 368 | u32 rsp_status; |
| 369 | int r; |
| 370 | |
| 371 | mutex_lock(&priv->wmi->multi_write_mutex); |
| 372 | |
| 373 | /* Store the register/value */ |
| 374 | priv->wmi->multi_write[priv->wmi->multi_write_idx].reg = |
| 375 | cpu_to_be32(reg_offset); |
| 376 | priv->wmi->multi_write[priv->wmi->multi_write_idx].val = |
| 377 | cpu_to_be32(val); |
| 378 | |
| 379 | priv->wmi->multi_write_idx++; |
| 380 | |
| 381 | /* If the buffer is full, send it out. */ |
| 382 | if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER) { |
| 383 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, |
| 384 | (u8 *) &priv->wmi->multi_write, |
| 385 | sizeof(struct register_write) * priv->wmi->multi_write_idx, |
| 386 | (u8 *) &rsp_status, sizeof(rsp_status), |
| 387 | 100); |
| 388 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 389 | ath_dbg(common, WMI, |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 390 | "REGISTER WRITE FAILED, multi len: %d\n", |
| 391 | priv->wmi->multi_write_idx); |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 392 | } |
| 393 | priv->wmi->multi_write_idx = 0; |
| 394 | } |
| 395 | |
| 396 | mutex_unlock(&priv->wmi->multi_write_mutex); |
| 397 | } |
| 398 | |
| 399 | static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset) |
| 400 | { |
| 401 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 402 | struct ath_common *common = ath9k_hw_common(ah); |
| 403 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 404 | |
| 405 | if (atomic_read(&priv->wmi->mwrite_cnt)) |
| 406 | ath9k_regwrite_buffer(hw_priv, val, reg_offset); |
| 407 | else |
| 408 | ath9k_regwrite_single(hw_priv, val, reg_offset); |
| 409 | } |
| 410 | |
| 411 | static void ath9k_enable_regwrite_buffer(void *hw_priv) |
| 412 | { |
| 413 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 414 | struct ath_common *common = ath9k_hw_common(ah); |
| 415 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 416 | |
| 417 | atomic_inc(&priv->wmi->mwrite_cnt); |
| 418 | } |
| 419 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 420 | static void ath9k_regwrite_flush(void *hw_priv) |
| 421 | { |
| 422 | struct ath_hw *ah = (struct ath_hw *) hw_priv; |
| 423 | struct ath_common *common = ath9k_hw_common(ah); |
| 424 | struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; |
| 425 | u32 rsp_status; |
| 426 | int r; |
| 427 | |
Felix Fietkau | 435c161 | 2010-10-05 12:03:42 +0200 | [diff] [blame] | 428 | atomic_dec(&priv->wmi->mwrite_cnt); |
| 429 | |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 430 | mutex_lock(&priv->wmi->multi_write_mutex); |
| 431 | |
| 432 | if (priv->wmi->multi_write_idx) { |
| 433 | r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, |
| 434 | (u8 *) &priv->wmi->multi_write, |
| 435 | sizeof(struct register_write) * priv->wmi->multi_write_idx, |
| 436 | (u8 *) &rsp_status, sizeof(rsp_status), |
| 437 | 100); |
| 438 | if (unlikely(r)) { |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 439 | ath_dbg(common, WMI, |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 440 | "REGISTER WRITE FAILED, multi len: %d\n", |
| 441 | priv->wmi->multi_write_idx); |
Sujith | 4a22fe1 | 2010-04-16 11:53:53 +0530 | [diff] [blame] | 442 | } |
| 443 | priv->wmi->multi_write_idx = 0; |
| 444 | } |
| 445 | |
| 446 | mutex_unlock(&priv->wmi->multi_write_mutex); |
| 447 | } |
| 448 | |
Felix Fietkau | 845e03c | 2011-03-23 20:57:25 +0100 | [diff] [blame] | 449 | static u32 ath9k_reg_rmw(void *hw_priv, u32 reg_offset, u32 set, u32 clr) |
| 450 | { |
| 451 | u32 val; |
| 452 | |
| 453 | val = ath9k_regread(hw_priv, reg_offset); |
| 454 | val &= ~clr; |
| 455 | val |= set; |
| 456 | ath9k_regwrite(hw_priv, val, reg_offset); |
| 457 | return val; |
| 458 | } |
| 459 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 460 | static void ath_usb_read_cachesize(struct ath_common *common, int *csz) |
| 461 | { |
| 462 | *csz = L1_CACHE_BYTES >> 2; |
| 463 | } |
| 464 | |
| 465 | static bool ath_usb_eeprom_read(struct ath_common *common, u32 off, u16 *data) |
| 466 | { |
| 467 | struct ath_hw *ah = (struct ath_hw *) common->ah; |
| 468 | |
| 469 | (void)REG_READ(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S)); |
| 470 | |
| 471 | if (!ath9k_hw_wait(ah, |
| 472 | AR_EEPROM_STATUS_DATA, |
| 473 | AR_EEPROM_STATUS_DATA_BUSY | |
| 474 | AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0, |
| 475 | AH_WAIT_TIMEOUT)) |
| 476 | return false; |
| 477 | |
| 478 | *data = MS(REG_READ(ah, AR_EEPROM_STATUS_DATA), |
| 479 | AR_EEPROM_STATUS_DATA_VAL); |
| 480 | |
| 481 | return true; |
| 482 | } |
| 483 | |
| 484 | static const struct ath_bus_ops ath9k_usb_bus_ops = { |
Sujith | 497ad9a | 2010-04-01 10:28:20 +0530 | [diff] [blame] | 485 | .ath_bus_type = ATH_USB, |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 486 | .read_cachesize = ath_usb_read_cachesize, |
| 487 | .eeprom_read = ath_usb_eeprom_read, |
| 488 | }; |
| 489 | |
| 490 | static void setup_ht_cap(struct ath9k_htc_priv *priv, |
| 491 | struct ieee80211_sta_ht_cap *ht_info) |
| 492 | { |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 493 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 494 | u8 tx_streams, rx_streams; |
| 495 | int i; |
| 496 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 497 | ht_info->ht_supported = true; |
| 498 | ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | |
| 499 | IEEE80211_HT_CAP_SM_PS | |
| 500 | IEEE80211_HT_CAP_SGI_40 | |
| 501 | IEEE80211_HT_CAP_DSSSCCK40; |
| 502 | |
Sujith | b4dec5e | 2010-05-17 12:01:19 +0530 | [diff] [blame] | 503 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) |
| 504 | ht_info->cap |= IEEE80211_HT_CAP_SGI_20; |
| 505 | |
Sujith | 17525f9 | 2010-05-17 12:01:21 +0530 | [diff] [blame] | 506 | ht_info->cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); |
| 507 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 508 | ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; |
| 509 | ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_8; |
| 510 | |
| 511 | memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 512 | |
| 513 | /* ath9k_htc supports only 1 or 2 stream devices */ |
Felix Fietkau | 82b2d33 | 2011-09-03 01:40:23 +0200 | [diff] [blame] | 514 | tx_streams = ath9k_cmn_count_streams(priv->ah->txchainmask, 2); |
| 515 | rx_streams = ath9k_cmn_count_streams(priv->ah->rxchainmask, 2); |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 516 | |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 517 | ath_dbg(common, CONFIG, "TX streams %d, RX streams: %d\n", |
Joe Perches | 226afe6 | 2010-12-02 19:12:37 -0800 | [diff] [blame] | 518 | tx_streams, rx_streams); |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 519 | |
Oleksij Rempel | a226c3d | 2013-06-09 18:51:24 +0200 | [diff] [blame] | 520 | if (tx_streams >= 2) |
| 521 | ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; |
| 522 | |
Sujith | 6debeca | 2010-06-02 15:53:40 +0530 | [diff] [blame] | 523 | if (tx_streams != rx_streams) { |
| 524 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; |
| 525 | ht_info->mcs.tx_params |= ((tx_streams - 1) << |
| 526 | IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); |
| 527 | } |
| 528 | |
| 529 | for (i = 0; i < rx_streams; i++) |
| 530 | ht_info->mcs.rx_mask[i] = 0xff; |
| 531 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 532 | ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; |
| 533 | } |
| 534 | |
| 535 | static int ath9k_init_queues(struct ath9k_htc_priv *priv) |
| 536 | { |
| 537 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 538 | int i; |
| 539 | |
| 540 | for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++) |
| 541 | priv->hwq_map[i] = -1; |
| 542 | |
Sujith | ca74b83 | 2010-05-14 11:18:56 +0530 | [diff] [blame] | 543 | priv->beaconq = ath9k_hw_beaconq_setup(priv->ah); |
| 544 | if (priv->beaconq == -1) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 545 | ath_err(common, "Unable to setup BEACON xmit queue\n"); |
Sujith | ca74b83 | 2010-05-14 11:18:56 +0530 | [diff] [blame] | 546 | goto err; |
| 547 | } |
| 548 | |
| 549 | priv->cabq = ath9k_htc_cabq_setup(priv); |
| 550 | if (priv->cabq == -1) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 551 | ath_err(common, "Unable to setup CAB xmit queue\n"); |
Sujith | ca74b83 | 2010-05-14 11:18:56 +0530 | [diff] [blame] | 552 | goto err; |
| 553 | } |
| 554 | |
Sujith Manoharan | bea843c | 2012-11-21 18:13:10 +0530 | [diff] [blame] | 555 | if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BE)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 556 | ath_err(common, "Unable to setup xmit queue for BE traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 557 | goto err; |
| 558 | } |
| 559 | |
Sujith Manoharan | bea843c | 2012-11-21 18:13:10 +0530 | [diff] [blame] | 560 | if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_BK)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 561 | ath_err(common, "Unable to setup xmit queue for BK traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 562 | goto err; |
| 563 | } |
Sujith Manoharan | bea843c | 2012-11-21 18:13:10 +0530 | [diff] [blame] | 564 | if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VI)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 565 | ath_err(common, "Unable to setup xmit queue for VI traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 566 | goto err; |
| 567 | } |
Sujith Manoharan | bea843c | 2012-11-21 18:13:10 +0530 | [diff] [blame] | 568 | if (!ath9k_htc_txq_setup(priv, IEEE80211_AC_VO)) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 569 | ath_err(common, "Unable to setup xmit queue for VO traffic\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 570 | goto err; |
| 571 | } |
| 572 | |
| 573 | return 0; |
| 574 | |
| 575 | err: |
| 576 | return -EINVAL; |
| 577 | } |
| 578 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 579 | static void ath9k_init_channels_rates(struct ath9k_htc_priv *priv) |
| 580 | { |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 581 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) { |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 582 | priv->sbands[IEEE80211_BAND_2GHZ].channels = |
| 583 | ath9k_2ghz_channels; |
| 584 | priv->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ; |
| 585 | priv->sbands[IEEE80211_BAND_2GHZ].n_channels = |
| 586 | ARRAY_SIZE(ath9k_2ghz_channels); |
| 587 | priv->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates; |
| 588 | priv->sbands[IEEE80211_BAND_2GHZ].n_bitrates = |
| 589 | ARRAY_SIZE(ath9k_legacy_rates); |
| 590 | } |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 591 | |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 592 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) { |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 593 | priv->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_channels; |
| 594 | priv->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ; |
| 595 | priv->sbands[IEEE80211_BAND_5GHZ].n_channels = |
| 596 | ARRAY_SIZE(ath9k_5ghz_channels); |
| 597 | priv->sbands[IEEE80211_BAND_5GHZ].bitrates = |
| 598 | ath9k_legacy_rates + 4; |
| 599 | priv->sbands[IEEE80211_BAND_5GHZ].n_bitrates = |
| 600 | ARRAY_SIZE(ath9k_legacy_rates) - 4; |
| 601 | } |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | static void ath9k_init_misc(struct ath9k_htc_priv *priv) |
| 605 | { |
| 606 | struct ath_common *common = ath9k_hw_common(priv->ah); |
| 607 | |
Felix Fietkau | 364734f | 2010-09-14 20:22:44 +0200 | [diff] [blame] | 608 | memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 609 | |
Sujith | 9f01a84 | 2010-03-29 16:07:20 +0530 | [diff] [blame] | 610 | priv->ah->opmode = NL80211_IFTYPE_STATION; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 611 | } |
| 612 | |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 613 | static int ath9k_init_priv(struct ath9k_htc_priv *priv, |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 614 | u16 devid, char *product, |
| 615 | u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 616 | { |
| 617 | struct ath_hw *ah = NULL; |
| 618 | struct ath_common *common; |
Sujith Manoharan | 832f6a1 | 2011-04-13 11:23:08 +0530 | [diff] [blame] | 619 | int i, ret = 0, csz = 0; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 620 | |
Sujith Manoharan | d8a2c51 | 2012-06-25 13:54:41 +0530 | [diff] [blame] | 621 | set_bit(OP_INVALID, &priv->op_flags); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 622 | |
| 623 | ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL); |
| 624 | if (!ah) |
| 625 | return -ENOMEM; |
| 626 | |
| 627 | ah->hw_version.devid = devid; |
Sujith Manoharan | 0b5ead9 | 2010-12-07 16:31:38 +0530 | [diff] [blame] | 628 | ah->hw_version.usbdev = drv_info; |
Felix Fietkau | f8afa42 | 2010-11-22 18:26:51 +0100 | [diff] [blame] | 629 | ah->ah_flags |= AH_USE_EEPROM; |
Felix Fietkau | f9f84e9 | 2011-03-23 20:57:24 +0100 | [diff] [blame] | 630 | ah->reg_ops.read = ath9k_regread; |
| 631 | ah->reg_ops.multi_read = ath9k_multi_regread; |
| 632 | ah->reg_ops.write = ath9k_regwrite; |
| 633 | ah->reg_ops.enable_write_buffer = ath9k_enable_regwrite_buffer; |
| 634 | ah->reg_ops.write_flush = ath9k_regwrite_flush; |
Felix Fietkau | 845e03c | 2011-03-23 20:57:25 +0100 | [diff] [blame] | 635 | ah->reg_ops.rmw = ath9k_reg_rmw; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 636 | priv->ah = ah; |
| 637 | |
| 638 | common = ath9k_hw_common(ah); |
Felix Fietkau | f9f84e9 | 2011-03-23 20:57:24 +0100 | [diff] [blame] | 639 | common->ops = &ah->reg_ops; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 640 | common->bus_ops = &ath9k_usb_bus_ops; |
| 641 | common->ah = ah; |
| 642 | common->hw = priv->hw; |
| 643 | common->priv = priv; |
| 644 | common->debug_mask = ath9k_debug; |
Mohammed Shafi Shajakhan | 7f34778e | 2012-09-04 19:33:38 +0530 | [diff] [blame] | 645 | common->btcoex_enabled = ath9k_htc_btcoex_enable == 1; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 646 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 647 | spin_lock_init(&priv->beacon_lock); |
Sujith Manoharan | 658ef04 | 2011-04-13 11:25:00 +0530 | [diff] [blame] | 648 | spin_lock_init(&priv->tx.tx_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 649 | mutex_init(&priv->mutex); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 650 | mutex_init(&priv->htc_pm_lock); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 651 | tasklet_init(&priv->rx_tasklet, ath9k_rx_tasklet, |
| 652 | (unsigned long)priv); |
Sujith Manoharan | 27876a2 | 2011-04-13 11:26:18 +0530 | [diff] [blame] | 653 | tasklet_init(&priv->tx_failed_tasklet, ath9k_tx_failed_tasklet, |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 654 | (unsigned long)priv); |
Sujith Manoharan | a236254 | 2011-02-21 07:49:38 +0530 | [diff] [blame] | 655 | INIT_DELAYED_WORK(&priv->ani_work, ath9k_htc_ani_work); |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 656 | INIT_WORK(&priv->ps_work, ath9k_ps_work); |
Sujith Manoharan | 7390867 | 2010-12-28 14:28:27 +0530 | [diff] [blame] | 657 | INIT_WORK(&priv->fatal_work, ath9k_fatal_work); |
Sujith Manoharan | 859c3ca | 2011-04-13 11:26:39 +0530 | [diff] [blame] | 658 | setup_timer(&priv->tx.cleanup_timer, ath9k_htc_tx_cleanup_timer, |
| 659 | (unsigned long)priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 660 | |
| 661 | /* |
| 662 | * Cache line size is used to size and align various |
| 663 | * structures used to communicate with the hardware. |
| 664 | */ |
| 665 | ath_read_cachesize(common, &csz); |
| 666 | common->cachelsz = csz << 2; /* convert to bytes */ |
| 667 | |
| 668 | ret = ath9k_hw_init(ah); |
| 669 | if (ret) { |
Joe Perches | 3800276 | 2010-12-02 19:12:36 -0800 | [diff] [blame] | 670 | ath_err(common, |
| 671 | "Unable to initialize hardware; initialization status: %d\n", |
| 672 | ret); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 673 | goto err_hw; |
| 674 | } |
| 675 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 676 | ret = ath9k_init_queues(priv); |
| 677 | if (ret) |
| 678 | goto err_queues; |
| 679 | |
Sujith Manoharan | 832f6a1 | 2011-04-13 11:23:08 +0530 | [diff] [blame] | 680 | for (i = 0; i < ATH9K_HTC_MAX_BCN_VIF; i++) |
| 681 | priv->cur_beacon_conf.bslot[i] = NULL; |
| 682 | |
Rajkumar Manoharan | f82b4bd | 2011-08-13 10:28:15 +0530 | [diff] [blame] | 683 | ath9k_cmn_init_crypto(ah); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 684 | ath9k_init_channels_rates(priv); |
| 685 | ath9k_init_misc(priv); |
Sujith Manoharan | cee5341 | 2012-02-22 12:41:41 +0530 | [diff] [blame] | 686 | ath9k_htc_init_btcoex(priv, product); |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 687 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 688 | return 0; |
| 689 | |
| 690 | err_queues: |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 691 | ath9k_hw_deinit(ah); |
| 692 | err_hw: |
| 693 | |
| 694 | kfree(ah); |
| 695 | priv->ah = NULL; |
| 696 | |
| 697 | return ret; |
| 698 | } |
| 699 | |
Mohammed Shafi Shajakhan | 8b0b6be | 2012-10-08 21:30:52 +0530 | [diff] [blame] | 700 | static const struct ieee80211_iface_limit if_limits[] = { |
| 701 | { .max = 2, .types = BIT(NL80211_IFTYPE_STATION) | |
| 702 | BIT(NL80211_IFTYPE_P2P_CLIENT) }, |
| 703 | { .max = 2, .types = BIT(NL80211_IFTYPE_AP) | |
Thomas Pedersen | 0c9acaa | 2013-06-26 15:06:58 -0700 | [diff] [blame] | 704 | #ifdef CONFIG_MAC80211_MESH |
| 705 | BIT(NL80211_IFTYPE_MESH_POINT) | |
| 706 | #endif |
| 707 | BIT(NL80211_IFTYPE_P2P_GO) }, |
Mohammed Shafi Shajakhan | 8b0b6be | 2012-10-08 21:30:52 +0530 | [diff] [blame] | 708 | }; |
| 709 | |
| 710 | static const struct ieee80211_iface_combination if_comb = { |
| 711 | .limits = if_limits, |
| 712 | .n_limits = ARRAY_SIZE(if_limits), |
| 713 | .max_interfaces = 2, |
| 714 | .num_different_channels = 1, |
| 715 | }; |
| 716 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 717 | static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, |
| 718 | struct ieee80211_hw *hw) |
| 719 | { |
| 720 | struct ath_common *common = ath9k_hw_common(priv->ah); |
Ben Greear | 156652b | 2013-06-19 14:02:14 -0700 | [diff] [blame] | 721 | struct base_eep_header *pBase; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 722 | |
| 723 | hw->flags = IEEE80211_HW_SIGNAL_DBM | |
| 724 | IEEE80211_HW_AMPDU_AGGREGATION | |
| 725 | IEEE80211_HW_SPECTRUM_MGMT | |
Sujith | 32fbcca | 2010-03-30 08:48:27 +0530 | [diff] [blame] | 726 | IEEE80211_HW_HAS_RATE_CONTROL | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 727 | IEEE80211_HW_RX_INCLUDES_FCS | |
| 728 | IEEE80211_HW_SUPPORTS_PS | |
Sujith Manoharan | 7d547eb | 2011-04-13 11:23:34 +0530 | [diff] [blame] | 729 | IEEE80211_HW_PS_NULLFUNC_STACK | |
Rajkumar Manoharan | 8ae2e12 | 2011-07-08 18:12:03 +0530 | [diff] [blame] | 730 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
Javier Cardona | bd4a85e | 2013-05-08 10:16:47 -0700 | [diff] [blame] | 731 | IEEE80211_HW_MFP_CAPABLE | |
Sujith Manoharan | 7d547eb | 2011-04-13 11:23:34 +0530 | [diff] [blame] | 732 | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 733 | |
| 734 | hw->wiphy->interface_modes = |
| 735 | BIT(NL80211_IFTYPE_STATION) | |
Sujith Manoharan | 09d5b94 | 2011-04-13 11:27:06 +0530 | [diff] [blame] | 736 | BIT(NL80211_IFTYPE_ADHOC) | |
| 737 | BIT(NL80211_IFTYPE_AP) | |
| 738 | BIT(NL80211_IFTYPE_P2P_GO) | |
Javier Cardona | 594e65b | 2013-05-08 10:16:46 -0700 | [diff] [blame] | 739 | BIT(NL80211_IFTYPE_P2P_CLIENT) | |
| 740 | BIT(NL80211_IFTYPE_MESH_POINT); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 741 | |
Mohammed Shafi Shajakhan | 8b0b6be | 2012-10-08 21:30:52 +0530 | [diff] [blame] | 742 | hw->wiphy->iface_combinations = &if_comb; |
| 743 | hw->wiphy->n_iface_combinations = 1; |
| 744 | |
Vivek Natarajan | bde748a | 2010-04-05 14:48:05 +0530 | [diff] [blame] | 745 | hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; |
| 746 | |
Johannes Berg | 81ddbb5 | 2012-03-26 18:47:18 +0200 | [diff] [blame] | 747 | hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN | |
| 748 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; |
Antonio Quartulli | d7d312c | 2012-01-17 23:13:30 +0100 | [diff] [blame] | 749 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 750 | hw->queues = 4; |
Sujith Manoharan | fb1c078 | 2012-06-25 13:54:30 +0530 | [diff] [blame] | 751 | hw->max_listen_interval = 1; |
Sujith Manoharan | 3a0593e | 2011-04-20 14:33:28 +0530 | [diff] [blame] | 752 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 753 | hw->vif_data_size = sizeof(struct ath9k_htc_vif); |
| 754 | hw->sta_data_size = sizeof(struct ath9k_htc_sta); |
| 755 | |
| 756 | /* tx_frame_hdr is larger than tx_mgmt_hdr anyway */ |
| 757 | hw->extra_tx_headroom = sizeof(struct tx_frame_hdr) + |
| 758 | sizeof(struct htc_frame_hdr) + 4; |
| 759 | |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 760 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 761 | hw->wiphy->bands[IEEE80211_BAND_2GHZ] = |
| 762 | &priv->sbands[IEEE80211_BAND_2GHZ]; |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 763 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 764 | hw->wiphy->bands[IEEE80211_BAND_5GHZ] = |
| 765 | &priv->sbands[IEEE80211_BAND_5GHZ]; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 766 | |
| 767 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_HT) { |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 768 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 769 | setup_ht_cap(priv, |
| 770 | &priv->sbands[IEEE80211_BAND_2GHZ].ht_cap); |
Felix Fietkau | d465991 | 2010-10-14 16:02:39 +0200 | [diff] [blame] | 771 | if (priv->ah->caps.hw_caps & ATH9K_HW_CAP_5GHZ) |
Sujith | ea46e64 | 2010-06-02 15:53:50 +0530 | [diff] [blame] | 772 | setup_ht_cap(priv, |
| 773 | &priv->sbands[IEEE80211_BAND_5GHZ].ht_cap); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 774 | } |
| 775 | |
Ben Greear | 156652b | 2013-06-19 14:02:14 -0700 | [diff] [blame] | 776 | pBase = ath9k_htc_get_eeprom_base(priv); |
| 777 | if (pBase) { |
| 778 | hw->wiphy->available_antennas_rx = pBase->rxMask; |
| 779 | hw->wiphy->available_antennas_tx = pBase->txMask; |
| 780 | } |
| 781 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 782 | SET_IEEE80211_PERM_ADDR(hw, common->macaddr); |
| 783 | } |
| 784 | |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 785 | static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv) |
| 786 | { |
| 787 | struct ieee80211_hw *hw = priv->hw; |
| 788 | struct wmi_fw_version cmd_rsp; |
| 789 | int ret; |
| 790 | |
| 791 | memset(&cmd_rsp, 0, sizeof(cmd_rsp)); |
| 792 | |
| 793 | WMI_CMD(WMI_GET_FW_VERSION); |
| 794 | if (ret) |
| 795 | return -EINVAL; |
| 796 | |
| 797 | priv->fw_version_major = be16_to_cpu(cmd_rsp.major); |
| 798 | priv->fw_version_minor = be16_to_cpu(cmd_rsp.minor); |
| 799 | |
Jiri Pirko | 8113554 | 2013-01-06 02:12:51 +0000 | [diff] [blame] | 800 | snprintf(hw->wiphy->fw_version, sizeof(hw->wiphy->fw_version), "%d.%d", |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 801 | priv->fw_version_major, |
| 802 | priv->fw_version_minor); |
| 803 | |
| 804 | dev_info(priv->dev, "ath9k_htc: FW Version: %d.%d\n", |
| 805 | priv->fw_version_major, |
| 806 | priv->fw_version_minor); |
| 807 | |
Sujith Manoharan | 3a0593e | 2011-04-20 14:33:28 +0530 | [diff] [blame] | 808 | /* |
| 809 | * Check if the available FW matches the driver's |
| 810 | * required version. |
| 811 | */ |
| 812 | if (priv->fw_version_major != MAJOR_VERSION_REQ || |
Felix Fietkau | 319e7bd | 2013-04-07 21:10:48 +0200 | [diff] [blame] | 813 | priv->fw_version_minor < MINOR_VERSION_REQ) { |
Sujith Manoharan | 3a0593e | 2011-04-20 14:33:28 +0530 | [diff] [blame] | 814 | dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n", |
| 815 | MAJOR_VERSION_REQ, MINOR_VERSION_REQ); |
| 816 | return -EINVAL; |
| 817 | } |
| 818 | |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 819 | return 0; |
| 820 | } |
| 821 | |
Vivek Natarajan | 21cb987 | 2010-08-18 19:57:49 +0530 | [diff] [blame] | 822 | static int ath9k_init_device(struct ath9k_htc_priv *priv, |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 823 | u16 devid, char *product, u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 824 | { |
| 825 | struct ieee80211_hw *hw = priv->hw; |
| 826 | struct ath_common *common; |
| 827 | struct ath_hw *ah; |
| 828 | int error = 0; |
| 829 | struct ath_regulatory *reg; |
Sujith Manoharan | 3e3f1d1 | 2011-02-21 07:50:30 +0530 | [diff] [blame] | 830 | char hw_name[64]; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 831 | |
| 832 | /* Bring up device */ |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 833 | error = ath9k_init_priv(priv, devid, product, drv_info); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 834 | if (error != 0) |
| 835 | goto err_init; |
| 836 | |
| 837 | ah = priv->ah; |
| 838 | common = ath9k_hw_common(ah); |
| 839 | ath9k_set_hw_capab(priv, hw); |
| 840 | |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 841 | error = ath9k_init_firmware_version(priv); |
| 842 | if (error != 0) |
| 843 | goto err_fw; |
| 844 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 845 | /* Initialize regulatory */ |
| 846 | error = ath_regd_init(&common->regulatory, priv->hw->wiphy, |
| 847 | ath9k_reg_notifier); |
| 848 | if (error) |
| 849 | goto err_regd; |
| 850 | |
| 851 | reg = &common->regulatory; |
| 852 | |
| 853 | /* Setup TX */ |
| 854 | error = ath9k_tx_init(priv); |
| 855 | if (error != 0) |
| 856 | goto err_tx; |
| 857 | |
| 858 | /* Setup RX */ |
| 859 | error = ath9k_rx_init(priv); |
| 860 | if (error != 0) |
| 861 | goto err_rx; |
| 862 | |
Oleksij Rempel | dc2a87f | 2013-07-19 20:16:17 +0200 | [diff] [blame] | 863 | ath9k_hw_disable(priv->ah); |
Sujith Manoharan | d244f21 | 2011-04-28 16:14:05 +0530 | [diff] [blame] | 864 | #ifdef CONFIG_MAC80211_LEDS |
| 865 | /* must be initialized before ieee80211_register_hw */ |
| 866 | priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw, |
| 867 | IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_htc_tpt_blink, |
| 868 | ARRAY_SIZE(ath9k_htc_tpt_blink)); |
| 869 | #endif |
| 870 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 871 | /* Register with mac80211 */ |
| 872 | error = ieee80211_register_hw(hw); |
| 873 | if (error) |
| 874 | goto err_register; |
| 875 | |
| 876 | /* Handle world regulatory */ |
| 877 | if (!ath_is_world_regd(reg)) { |
| 878 | error = regulatory_hint(hw->wiphy, reg->alpha2); |
| 879 | if (error) |
| 880 | goto err_world; |
| 881 | } |
| 882 | |
Rajkumar Manoharan | e5facc7 | 2011-04-15 15:42:24 +0530 | [diff] [blame] | 883 | error = ath9k_htc_init_debug(priv->ah); |
| 884 | if (error) { |
| 885 | ath_err(common, "Unable to create debugfs files\n"); |
| 886 | goto err_world; |
| 887 | } |
| 888 | |
Joe Perches | d2182b6 | 2011-12-15 14:55:53 -0800 | [diff] [blame] | 889 | ath_dbg(common, CONFIG, |
| 890 | "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] | 891 | priv->wmi_cmd_ep, |
| 892 | priv->beacon_ep, |
| 893 | priv->cab_ep, |
| 894 | priv->uapsd_ep, |
| 895 | priv->mgmt_ep, |
| 896 | priv->data_be_ep, |
| 897 | priv->data_bk_ep, |
| 898 | priv->data_vi_ep, |
| 899 | priv->data_vo_ep); |
| 900 | |
| 901 | ath9k_hw_name(priv->ah, hw_name, sizeof(hw_name)); |
| 902 | wiphy_info(hw->wiphy, "%s\n", hw_name); |
| 903 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 904 | ath9k_init_leds(priv); |
| 905 | ath9k_start_rfkill_poll(priv); |
| 906 | |
| 907 | return 0; |
| 908 | |
| 909 | err_world: |
| 910 | ieee80211_unregister_hw(hw); |
| 911 | err_register: |
| 912 | ath9k_rx_cleanup(priv); |
| 913 | err_rx: |
| 914 | ath9k_tx_cleanup(priv); |
| 915 | err_tx: |
| 916 | /* Nothing */ |
| 917 | err_regd: |
Sujith Manoharan | 29bbfb2 | 2011-04-13 11:22:51 +0530 | [diff] [blame] | 918 | /* Nothing */ |
| 919 | err_fw: |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 920 | ath9k_deinit_priv(priv); |
| 921 | err_init: |
| 922 | return error; |
| 923 | } |
| 924 | |
| 925 | 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] | 926 | u16 devid, char *product, u32 drv_info) |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 927 | { |
| 928 | struct ieee80211_hw *hw; |
| 929 | struct ath9k_htc_priv *priv; |
| 930 | int ret; |
| 931 | |
| 932 | hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops); |
| 933 | if (!hw) |
| 934 | return -ENOMEM; |
| 935 | |
| 936 | priv = hw->priv; |
| 937 | priv->hw = hw; |
| 938 | priv->htc = htc_handle; |
| 939 | priv->dev = dev; |
| 940 | htc_handle->drv_priv = priv; |
| 941 | SET_IEEE80211_DEV(hw, priv->dev); |
| 942 | |
| 943 | ret = ath9k_htc_wait_for_target(priv); |
| 944 | if (ret) |
| 945 | goto err_free; |
| 946 | |
| 947 | priv->wmi = ath9k_init_wmi(priv); |
| 948 | if (!priv->wmi) { |
| 949 | ret = -EINVAL; |
| 950 | goto err_free; |
| 951 | } |
| 952 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 953 | ret = ath9k_init_htc_services(priv, devid, drv_info); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 954 | if (ret) |
| 955 | goto err_init; |
| 956 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 957 | ret = ath9k_init_device(priv, devid, product, drv_info); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 958 | if (ret) |
| 959 | goto err_init; |
| 960 | |
| 961 | return 0; |
| 962 | |
| 963 | err_init: |
| 964 | ath9k_deinit_wmi(priv); |
| 965 | err_free: |
| 966 | ieee80211_free_hw(hw); |
| 967 | return ret; |
| 968 | } |
| 969 | |
| 970 | void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug) |
| 971 | { |
| 972 | if (htc_handle->drv_priv) { |
Sujith | a3be14b | 2010-04-23 10:28:10 +0530 | [diff] [blame] | 973 | |
| 974 | /* Check if the device has been yanked out. */ |
| 975 | if (hotunplug) |
Sujith Manoharan | 97dcec5 | 2010-12-20 08:02:42 +0530 | [diff] [blame] | 976 | htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED; |
Sujith | a3be14b | 2010-04-23 10:28:10 +0530 | [diff] [blame] | 977 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 978 | ath9k_deinit_device(htc_handle->drv_priv); |
| 979 | ath9k_deinit_wmi(htc_handle->drv_priv); |
| 980 | ieee80211_free_hw(htc_handle->drv_priv->hw); |
| 981 | } |
| 982 | } |
| 983 | |
| 984 | #ifdef CONFIG_PM |
Sujith Manoharan | f933ebe | 2010-12-01 12:30:27 +0530 | [diff] [blame] | 985 | |
| 986 | void ath9k_htc_suspend(struct htc_target *htc_handle) |
| 987 | { |
| 988 | ath9k_htc_setpower(htc_handle->drv_priv, ATH9K_PM_FULL_SLEEP); |
| 989 | } |
| 990 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 991 | int ath9k_htc_resume(struct htc_target *htc_handle) |
| 992 | { |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 993 | struct ath9k_htc_priv *priv = htc_handle->drv_priv; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 994 | int ret; |
| 995 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 996 | ret = ath9k_htc_wait_for_target(priv); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 997 | if (ret) |
| 998 | return ret; |
| 999 | |
Rajkumar Manoharan | fa6e15e | 2010-11-19 16:53:22 +0530 | [diff] [blame] | 1000 | ret = ath9k_init_htc_services(priv, priv->ah->hw_version.devid, |
Sujith Manoharan | 0b5ead9 | 2010-12-07 16:31:38 +0530 | [diff] [blame] | 1001 | priv->ah->hw_version.usbdev); |
Oleksij Rempel | 1e51aca | 2013-12-12 15:30:36 +0100 | [diff] [blame] | 1002 | ath9k_configure_leds(priv); |
| 1003 | |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1004 | return ret; |
| 1005 | } |
| 1006 | #endif |
| 1007 | |
| 1008 | static int __init ath9k_htc_init(void) |
| 1009 | { |
Rajkumar Manoharan | e5facc7 | 2011-04-15 15:42:24 +0530 | [diff] [blame] | 1010 | if (ath9k_hif_usb_init() < 0) { |
Joe Perches | 516304b | 2012-03-18 17:30:52 -0700 | [diff] [blame] | 1011 | pr_err("No USB devices found, driver not installed\n"); |
Rajkumar Manoharan | e5facc7 | 2011-04-15 15:42:24 +0530 | [diff] [blame] | 1012 | return -ENODEV; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1013 | } |
| 1014 | |
| 1015 | return 0; |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1016 | } |
| 1017 | module_init(ath9k_htc_init); |
| 1018 | |
| 1019 | static void __exit ath9k_htc_exit(void) |
| 1020 | { |
| 1021 | ath9k_hif_usb_exit(); |
Joe Perches | 516304b | 2012-03-18 17:30:52 -0700 | [diff] [blame] | 1022 | pr_info("Driver unloaded\n"); |
Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame] | 1023 | } |
| 1024 | module_exit(ath9k_htc_exit); |