1 /* 2 * Copyright (c) 2014 Redpine Signals Inc. 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 17 #include <linux/firmware.h> 18 #include <net/bluetooth/bluetooth.h> 19 #include "rsi_mgmt.h" 20 #include "rsi_hal.h" 21 #include "rsi_sdio.h" 22 #include "rsi_common.h" 23 24 /* FLASH Firmware */ 25 static struct ta_metadata metadata_flash_content[] = { 26 {"flash_content", 0x00010000}, 27 {"rsi/rs9113_wlan_qspi.rps", 0x00010000}, 28 {"rsi/rs9113_wlan_bt_dual_mode.rps", 0x00010000}, 29 {"flash_content", 0x00010000}, 30 {"rsi/rs9113_ap_bt_dual_mode.rps", 0x00010000}, 31 32 }; 33 34 static struct ta_metadata metadata[] = {{"pmemdata_dummy", 0x00000000}, 35 {"rsi/rs9116_wlan.rps", 0x00000000}, 36 {"rsi/rs9116_wlan_bt_classic.rps", 0x00000000}, 37 {"rsi/pmemdata_dummy", 0x00000000}, 38 {"rsi/rs9116_wlan_bt_classic.rps", 0x00000000} 39 }; 40 41 int rsi_send_pkt_to_bus(struct rsi_common *common, struct sk_buff *skb) 42 { 43 struct rsi_hw *adapter = common->priv; 44 int status; 45 46 if (common->coex_mode > 1) 47 mutex_lock(&common->tx_bus_mutex); 48 49 status = adapter->host_intf_ops->write_pkt(common->priv, 50 skb->data, skb->len); 51 52 if (common->coex_mode > 1) 53 mutex_unlock(&common->tx_bus_mutex); 54 55 return status; 56 } 57 58 int rsi_prepare_mgmt_desc(struct rsi_common *common, struct sk_buff *skb) 59 { 60 struct rsi_hw *adapter = common->priv; 61 struct ieee80211_hdr *wh = NULL; 62 struct ieee80211_tx_info *info; 63 struct ieee80211_conf *conf = &adapter->hw->conf; 64 struct ieee80211_vif *vif; 65 struct rsi_mgmt_desc *mgmt_desc; 66 struct skb_info *tx_params; 67 struct rsi_xtended_desc *xtend_desc = NULL; 68 u8 header_size; 69 u32 dword_align_bytes = 0; 70 71 if (skb->len > MAX_MGMT_PKT_SIZE) { 72 rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__); 73 return -EINVAL; 74 } 75 76 info = IEEE80211_SKB_CB(skb); 77 tx_params = (struct skb_info *)info->driver_data; 78 vif = tx_params->vif; 79 80 /* Update header size */ 81 header_size = FRAME_DESC_SZ + sizeof(struct rsi_xtended_desc); 82 if (header_size > skb_headroom(skb)) { 83 rsi_dbg(ERR_ZONE, 84 "%s: Failed to add extended descriptor\n", 85 __func__); 86 return -ENOSPC; 87 } 88 skb_push(skb, header_size); 89 dword_align_bytes = ((unsigned long)skb->data & 0x3f); 90 if (dword_align_bytes > skb_headroom(skb)) { 91 rsi_dbg(ERR_ZONE, 92 "%s: Failed to add dword align\n", __func__); 93 return -ENOSPC; 94 } 95 skb_push(skb, dword_align_bytes); 96 header_size += dword_align_bytes; 97 98 tx_params->internal_hdr_size = header_size; 99 memset(&skb->data[0], 0, header_size); 100 wh = (struct ieee80211_hdr *)&skb->data[header_size]; 101 102 mgmt_desc = (struct rsi_mgmt_desc *)skb->data; 103 xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; 104 105 rsi_set_len_qno(&mgmt_desc->len_qno, (skb->len - FRAME_DESC_SZ), 106 RSI_WIFI_MGMT_Q); 107 mgmt_desc->frame_type = TX_DOT11_MGMT; 108 mgmt_desc->header_len = MIN_802_11_HDR_LEN; 109 mgmt_desc->xtend_desc_size = header_size - FRAME_DESC_SZ; 110 111 if (ieee80211_is_probe_req(wh->frame_control)) 112 mgmt_desc->frame_info = cpu_to_le16(RSI_INSERT_SEQ_IN_FW); 113 mgmt_desc->frame_info |= cpu_to_le16(RATE_INFO_ENABLE); 114 if (is_broadcast_ether_addr(wh->addr1)) 115 mgmt_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); 116 117 mgmt_desc->seq_ctrl = 118 cpu_to_le16(IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl))); 119 if ((common->band == NL80211_BAND_2GHZ) && !common->p2p_enabled) 120 mgmt_desc->rate_info = cpu_to_le16(RSI_RATE_1); 121 else 122 mgmt_desc->rate_info = cpu_to_le16(RSI_RATE_6); 123 124 if (conf_is_ht40(conf)) 125 mgmt_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); 126 127 if (ieee80211_is_probe_resp(wh->frame_control)) { 128 mgmt_desc->misc_flags |= (RSI_ADD_DELTA_TSF_VAP_ID | 129 RSI_FETCH_RETRY_CNT_FRM_HST); 130 #define PROBE_RESP_RETRY_CNT 3 131 xtend_desc->retry_cnt = PROBE_RESP_RETRY_CNT; 132 } 133 134 if (((vif->type == NL80211_IFTYPE_AP) || 135 (vif->type == NL80211_IFTYPE_P2P_GO)) && 136 (ieee80211_is_action(wh->frame_control))) { 137 struct rsi_sta *rsta = rsi_find_sta(common, wh->addr1); 138 139 if (rsta) 140 mgmt_desc->sta_id = tx_params->sta_id; 141 else 142 return -EINVAL; 143 } 144 mgmt_desc->rate_info |= 145 cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) & 146 RSI_DESC_VAP_ID_MASK); 147 148 return 0; 149 } 150 151 /* This function prepares descriptor for given data packet */ 152 int rsi_prepare_data_desc(struct rsi_common *common, struct sk_buff *skb) 153 { 154 struct rsi_hw *adapter = common->priv; 155 struct ieee80211_vif *vif; 156 struct ieee80211_hdr *wh = NULL; 157 struct ieee80211_tx_info *info; 158 struct skb_info *tx_params; 159 struct rsi_data_desc *data_desc; 160 struct rsi_xtended_desc *xtend_desc; 161 u8 ieee80211_size = MIN_802_11_HDR_LEN; 162 u8 header_size; 163 u8 vap_id = 0; 164 u8 dword_align_bytes; 165 u16 seq_num; 166 167 info = IEEE80211_SKB_CB(skb); 168 vif = info->control.vif; 169 tx_params = (struct skb_info *)info->driver_data; 170 171 header_size = FRAME_DESC_SZ + sizeof(struct rsi_xtended_desc); 172 if (header_size > skb_headroom(skb)) { 173 rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__); 174 return -ENOSPC; 175 } 176 skb_push(skb, header_size); 177 dword_align_bytes = ((unsigned long)skb->data & 0x3f); 178 if (header_size > skb_headroom(skb)) { 179 rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); 180 return -ENOSPC; 181 } 182 skb_push(skb, dword_align_bytes); 183 header_size += dword_align_bytes; 184 185 tx_params->internal_hdr_size = header_size; 186 data_desc = (struct rsi_data_desc *)skb->data; 187 memset(data_desc, 0, header_size); 188 189 xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; 190 wh = (struct ieee80211_hdr *)&skb->data[header_size]; 191 seq_num = IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl)); 192 193 data_desc->xtend_desc_size = header_size - FRAME_DESC_SZ; 194 195 if (ieee80211_is_data_qos(wh->frame_control)) { 196 ieee80211_size += 2; 197 data_desc->mac_flags |= cpu_to_le16(RSI_QOS_ENABLE); 198 } 199 200 if (((vif->type == NL80211_IFTYPE_STATION) || 201 (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && 202 (adapter->ps_state == PS_ENABLED)) 203 wh->frame_control |= cpu_to_le16(RSI_SET_PS_ENABLE); 204 205 if ((!(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) && 206 tx_params->have_key) { 207 if (rsi_is_cipher_wep(common)) 208 ieee80211_size += 4; 209 else 210 ieee80211_size += 8; 211 data_desc->mac_flags |= cpu_to_le16(RSI_ENCRYPT_PKT); 212 } 213 rsi_set_len_qno(&data_desc->len_qno, (skb->len - FRAME_DESC_SZ), 214 RSI_WIFI_DATA_Q); 215 data_desc->header_len = ieee80211_size; 216 217 if (common->rate_config[common->band].fixed_enabled) { 218 /* Send fixed rate */ 219 u16 fixed_rate = common->rate_config[common->band].fixed_hw_rate; 220 221 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 222 data_desc->rate_info = cpu_to_le16(fixed_rate); 223 224 if (conf_is_ht40(&common->priv->hw->conf)) 225 data_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); 226 227 if (common->vif_info[0].sgi && (fixed_rate & 0x100)) { 228 /* Only MCS rates */ 229 data_desc->rate_info |= 230 cpu_to_le16(ENABLE_SHORTGI_RATE); 231 } 232 } 233 234 if (skb->protocol == cpu_to_be16(ETH_P_PAE)) { 235 rsi_dbg(INFO_ZONE, "*** Tx EAPOL ***\n"); 236 237 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 238 if (common->band == NL80211_BAND_5GHZ) 239 data_desc->rate_info = cpu_to_le16(RSI_RATE_6); 240 else 241 data_desc->rate_info = cpu_to_le16(RSI_RATE_1); 242 data_desc->mac_flags |= cpu_to_le16(RSI_REKEY_PURPOSE); 243 data_desc->misc_flags |= RSI_FETCH_RETRY_CNT_FRM_HST; 244 #define EAPOL_RETRY_CNT 15 245 xtend_desc->retry_cnt = EAPOL_RETRY_CNT; 246 247 if (common->eapol4_confirm) 248 skb->priority = VO_Q; 249 else 250 rsi_set_len_qno(&data_desc->len_qno, 251 (skb->len - FRAME_DESC_SZ), 252 RSI_WIFI_MGMT_Q); 253 if (((skb->len - header_size) == EAPOL4_PACKET_LEN) || 254 ((skb->len - header_size) == EAPOL4_PACKET_LEN - 2)) { 255 data_desc->misc_flags |= 256 RSI_DESC_REQUIRE_CFM_TO_HOST; 257 xtend_desc->confirm_frame_type = EAPOL4_CONFIRM; 258 } 259 } 260 261 data_desc->mac_flags |= cpu_to_le16(seq_num & 0xfff); 262 data_desc->qid_tid = ((skb->priority & 0xf) | 263 ((tx_params->tid & 0xf) << 4)); 264 data_desc->sta_id = tx_params->sta_id; 265 266 if ((is_broadcast_ether_addr(wh->addr1)) || 267 (is_multicast_ether_addr(wh->addr1))) { 268 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 269 data_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); 270 data_desc->sta_id = vap_id; 271 272 if ((vif->type == NL80211_IFTYPE_AP) || 273 (vif->type == NL80211_IFTYPE_P2P_GO)) { 274 if (common->band == NL80211_BAND_5GHZ) 275 data_desc->rate_info = cpu_to_le16(RSI_RATE_6); 276 else 277 data_desc->rate_info = cpu_to_le16(RSI_RATE_1); 278 } 279 } 280 if (((vif->type == NL80211_IFTYPE_AP) || 281 (vif->type == NL80211_IFTYPE_P2P_GO)) && 282 (ieee80211_has_moredata(wh->frame_control))) 283 data_desc->frame_info |= cpu_to_le16(MORE_DATA_PRESENT); 284 285 data_desc->rate_info |= 286 cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) & 287 RSI_DESC_VAP_ID_MASK); 288 289 return 0; 290 } 291 292 /* This function sends received data packet from driver to device */ 293 int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) 294 { 295 struct rsi_hw *adapter = common->priv; 296 struct ieee80211_vif *vif; 297 struct ieee80211_tx_info *info; 298 int status = -EINVAL; 299 300 if (!skb) 301 return 0; 302 if (common->iface_down) 303 goto err; 304 305 info = IEEE80211_SKB_CB(skb); 306 if (!info->control.vif) 307 goto err; 308 vif = info->control.vif; 309 310 if (((vif->type == NL80211_IFTYPE_STATION) || 311 (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && 312 (!vif->cfg.assoc)) 313 goto err; 314 315 status = rsi_send_pkt_to_bus(common, skb); 316 if (status) 317 rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", __func__); 318 319 err: 320 ++common->tx_stats.total_tx_pkt_freed[skb->priority]; 321 rsi_indicate_tx_status(adapter, skb, status); 322 return status; 323 } 324 325 /** 326 * rsi_send_mgmt_pkt() - This functions sends the received management packet 327 * from driver to device. 328 * @common: Pointer to the driver private structure. 329 * @skb: Pointer to the socket buffer structure. 330 * 331 * Return: status: 0 on success, -1 on failure. 332 */ 333 int rsi_send_mgmt_pkt(struct rsi_common *common, 334 struct sk_buff *skb) 335 { 336 struct rsi_hw *adapter = common->priv; 337 struct ieee80211_bss_conf *bss; 338 struct ieee80211_hdr *wh; 339 struct ieee80211_tx_info *info; 340 struct skb_info *tx_params; 341 struct rsi_mgmt_desc *mgmt_desc; 342 struct rsi_xtended_desc *xtend_desc; 343 int status = -E2BIG; 344 u8 header_size; 345 346 info = IEEE80211_SKB_CB(skb); 347 tx_params = (struct skb_info *)info->driver_data; 348 header_size = tx_params->internal_hdr_size; 349 350 if (tx_params->flags & INTERNAL_MGMT_PKT) { 351 status = adapter->host_intf_ops->write_pkt(common->priv, 352 (u8 *)skb->data, 353 skb->len); 354 if (status) { 355 rsi_dbg(ERR_ZONE, 356 "%s: Failed to write the packet\n", __func__); 357 } 358 dev_kfree_skb(skb); 359 return status; 360 } 361 362 bss = &info->control.vif->bss_conf; 363 wh = (struct ieee80211_hdr *)&skb->data[header_size]; 364 mgmt_desc = (struct rsi_mgmt_desc *)skb->data; 365 xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; 366 367 /* Indicate to firmware to give cfm for probe */ 368 if (ieee80211_is_probe_req(wh->frame_control) && 369 !info->control.vif->cfg.assoc) { 370 rsi_dbg(INFO_ZONE, 371 "%s: blocking mgmt queue\n", __func__); 372 mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST; 373 xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM; 374 common->mgmt_q_block = true; 375 rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n"); 376 } 377 378 status = rsi_send_pkt_to_bus(common, skb); 379 if (status) 380 rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); 381 382 rsi_indicate_tx_status(common->priv, skb, status); 383 return status; 384 } 385 386 int rsi_send_bt_pkt(struct rsi_common *common, struct sk_buff *skb) 387 { 388 int status = -EINVAL; 389 u8 header_size = 0; 390 struct rsi_bt_desc *bt_desc; 391 u8 queueno = ((skb->data[1] >> 4) & 0xf); 392 393 if (queueno == RSI_BT_MGMT_Q) { 394 status = rsi_send_pkt_to_bus(common, skb); 395 if (status) 396 rsi_dbg(ERR_ZONE, "%s: Failed to write bt mgmt pkt\n", 397 __func__); 398 goto out; 399 } 400 header_size = FRAME_DESC_SZ; 401 if (header_size > skb_headroom(skb)) { 402 rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); 403 status = -ENOSPC; 404 goto out; 405 } 406 skb_push(skb, header_size); 407 memset(skb->data, 0, header_size); 408 bt_desc = (struct rsi_bt_desc *)skb->data; 409 410 rsi_set_len_qno(&bt_desc->len_qno, (skb->len - FRAME_DESC_SZ), 411 RSI_BT_DATA_Q); 412 bt_desc->bt_pkt_type = cpu_to_le16(bt_cb(skb)->pkt_type); 413 414 status = rsi_send_pkt_to_bus(common, skb); 415 if (status) 416 rsi_dbg(ERR_ZONE, "%s: Failed to write bt pkt\n", __func__); 417 418 out: 419 dev_kfree_skb(skb); 420 return status; 421 } 422 423 int rsi_prepare_beacon(struct rsi_common *common, struct sk_buff *skb) 424 { 425 struct rsi_hw *adapter = (struct rsi_hw *)common->priv; 426 struct rsi_data_desc *bcn_frm; 427 struct ieee80211_hw *hw = common->priv->hw; 428 struct ieee80211_conf *conf = &hw->conf; 429 struct ieee80211_vif *vif; 430 struct sk_buff *mac_bcn; 431 u8 vap_id = 0, i; 432 u16 tim_offset = 0; 433 434 for (i = 0; i < RSI_MAX_VIFS; i++) { 435 vif = adapter->vifs[i]; 436 if (!vif) 437 continue; 438 if ((vif->type == NL80211_IFTYPE_AP) || 439 (vif->type == NL80211_IFTYPE_P2P_GO)) 440 break; 441 } 442 if (!vif) 443 return -EINVAL; 444 mac_bcn = ieee80211_beacon_get_tim(adapter->hw, 445 vif, 446 &tim_offset, NULL, 0); 447 if (!mac_bcn) { 448 rsi_dbg(ERR_ZONE, "Failed to get beacon from mac80211\n"); 449 return -EINVAL; 450 } 451 452 common->beacon_cnt++; 453 bcn_frm = (struct rsi_data_desc *)skb->data; 454 rsi_set_len_qno(&bcn_frm->len_qno, mac_bcn->len, RSI_WIFI_DATA_Q); 455 bcn_frm->header_len = MIN_802_11_HDR_LEN; 456 bcn_frm->frame_info = cpu_to_le16(RSI_DATA_DESC_MAC_BBP_INFO | 457 RSI_DATA_DESC_NO_ACK_IND | 458 RSI_DATA_DESC_BEACON_FRAME | 459 RSI_DATA_DESC_INSERT_TSF | 460 RSI_DATA_DESC_INSERT_SEQ_NO | 461 RATE_INFO_ENABLE); 462 bcn_frm->rate_info = cpu_to_le16(vap_id << 14); 463 bcn_frm->qid_tid = BEACON_HW_Q; 464 465 if (conf_is_ht40_plus(conf)) { 466 bcn_frm->bbp_info = cpu_to_le16(LOWER_20_ENABLE); 467 bcn_frm->bbp_info |= cpu_to_le16(LOWER_20_ENABLE >> 12); 468 } else if (conf_is_ht40_minus(conf)) { 469 bcn_frm->bbp_info = cpu_to_le16(UPPER_20_ENABLE); 470 bcn_frm->bbp_info |= cpu_to_le16(UPPER_20_ENABLE >> 12); 471 } 472 473 if (common->band == NL80211_BAND_2GHZ) 474 bcn_frm->rate_info |= cpu_to_le16(RSI_RATE_1); 475 else 476 bcn_frm->rate_info |= cpu_to_le16(RSI_RATE_6); 477 478 if (mac_bcn->data[tim_offset + 2] == 0) 479 bcn_frm->frame_info |= cpu_to_le16(RSI_DATA_DESC_DTIM_BEACON); 480 481 memcpy(&skb->data[FRAME_DESC_SZ], mac_bcn->data, mac_bcn->len); 482 skb_put(skb, mac_bcn->len + FRAME_DESC_SZ); 483 484 dev_kfree_skb(mac_bcn); 485 486 return 0; 487 } 488 489 static void bl_cmd_timeout(struct timer_list *t) 490 { 491 struct rsi_hw *adapter = from_timer(adapter, t, bl_cmd_timer); 492 493 adapter->blcmd_timer_expired = true; 494 del_timer(&adapter->bl_cmd_timer); 495 } 496 497 static int bl_start_cmd_timer(struct rsi_hw *adapter, u32 timeout) 498 { 499 timer_setup(&adapter->bl_cmd_timer, bl_cmd_timeout, 0); 500 adapter->bl_cmd_timer.expires = (msecs_to_jiffies(timeout) + jiffies); 501 502 adapter->blcmd_timer_expired = false; 503 add_timer(&adapter->bl_cmd_timer); 504 505 return 0; 506 } 507 508 static int bl_stop_cmd_timer(struct rsi_hw *adapter) 509 { 510 adapter->blcmd_timer_expired = false; 511 if (timer_pending(&adapter->bl_cmd_timer)) 512 del_timer(&adapter->bl_cmd_timer); 513 514 return 0; 515 } 516 517 static int bl_write_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, 518 u16 *cmd_resp) 519 { 520 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 521 u32 regin_val = 0, regout_val = 0; 522 u32 regin_input = 0; 523 u8 output = 0; 524 int status; 525 526 regin_input = (REGIN_INPUT | adapter->priv->coex_mode); 527 528 while (!adapter->blcmd_timer_expired) { 529 regin_val = 0; 530 status = hif_ops->master_reg_read(adapter, SWBL_REGIN, 531 ®in_val, 2); 532 if (status < 0) { 533 rsi_dbg(ERR_ZONE, 534 "%s: Command %0x REGIN reading failed..\n", 535 __func__, cmd); 536 return status; 537 } 538 mdelay(1); 539 if ((regin_val >> 12) != REGIN_VALID) 540 break; 541 } 542 if (adapter->blcmd_timer_expired) { 543 rsi_dbg(ERR_ZONE, 544 "%s: Command %0x REGIN reading timed out..\n", 545 __func__, cmd); 546 return -ETIMEDOUT; 547 } 548 549 rsi_dbg(INFO_ZONE, 550 "Issuing write to Regin val:%0x sending cmd:%0x\n", 551 regin_val, (cmd | regin_input << 8)); 552 status = hif_ops->master_reg_write(adapter, SWBL_REGIN, 553 (cmd | regin_input << 8), 2); 554 if (status < 0) 555 return status; 556 mdelay(1); 557 558 if (cmd == LOAD_HOSTED_FW || cmd == JUMP_TO_ZERO_PC) { 559 /* JUMP_TO_ZERO_PC doesn't expect 560 * any response. So return from here 561 */ 562 return 0; 563 } 564 565 while (!adapter->blcmd_timer_expired) { 566 regout_val = 0; 567 status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, 568 ®out_val, 2); 569 if (status < 0) { 570 rsi_dbg(ERR_ZONE, 571 "%s: Command %0x REGOUT reading failed..\n", 572 __func__, cmd); 573 return status; 574 } 575 mdelay(1); 576 if ((regout_val >> 8) == REGOUT_VALID) 577 break; 578 } 579 if (adapter->blcmd_timer_expired) { 580 rsi_dbg(ERR_ZONE, 581 "%s: Command %0x REGOUT reading timed out..\n", 582 __func__, cmd); 583 return status; 584 } 585 586 *cmd_resp = ((u16 *)®out_val)[0] & 0xffff; 587 588 output = ((u8 *)®out_val)[0] & 0xff; 589 590 status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, 591 (cmd | REGOUT_INVALID << 8), 2); 592 if (status < 0) { 593 rsi_dbg(ERR_ZONE, 594 "%s: Command %0x REGOUT writing failed..\n", 595 __func__, cmd); 596 return status; 597 } 598 mdelay(1); 599 600 if (output != exp_resp) { 601 rsi_dbg(ERR_ZONE, 602 "%s: Recvd resp %x for cmd %0x\n", 603 __func__, output, cmd); 604 return -EINVAL; 605 } 606 rsi_dbg(INFO_ZONE, 607 "%s: Recvd Expected resp %x for cmd %0x\n", 608 __func__, output, cmd); 609 610 return 0; 611 } 612 613 static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str) 614 { 615 u16 regout_val = 0; 616 u32 timeout; 617 int status; 618 619 if ((cmd == EOF_REACHED) || (cmd == PING_VALID) || (cmd == PONG_VALID)) 620 timeout = BL_BURN_TIMEOUT; 621 else 622 timeout = BL_CMD_TIMEOUT; 623 624 bl_start_cmd_timer(adapter, timeout); 625 status = bl_write_cmd(adapter, cmd, exp_resp, ®out_val); 626 if (status < 0) { 627 bl_stop_cmd_timer(adapter); 628 rsi_dbg(ERR_ZONE, 629 "%s: Command %s (%0x) writing failed..\n", 630 __func__, str, cmd); 631 return status; 632 } 633 bl_stop_cmd_timer(adapter); 634 return 0; 635 } 636 637 #define CHECK_SUM_OFFSET 20 638 #define LEN_OFFSET 8 639 #define ADDR_OFFSET 16 640 static int bl_write_header(struct rsi_hw *adapter, u8 *flash_content, 641 u32 content_size) 642 { 643 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 644 struct bl_header *bl_hdr; 645 u32 write_addr, write_len; 646 int status; 647 648 bl_hdr = kzalloc(sizeof(*bl_hdr), GFP_KERNEL); 649 if (!bl_hdr) 650 return -ENOMEM; 651 652 bl_hdr->flags = 0; 653 bl_hdr->image_no = cpu_to_le32(adapter->priv->coex_mode); 654 bl_hdr->check_sum = 655 cpu_to_le32(*(u32 *)&flash_content[CHECK_SUM_OFFSET]); 656 bl_hdr->flash_start_address = 657 cpu_to_le32(*(u32 *)&flash_content[ADDR_OFFSET]); 658 bl_hdr->flash_len = cpu_to_le32(*(u32 *)&flash_content[LEN_OFFSET]); 659 write_len = sizeof(struct bl_header); 660 661 if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { 662 write_addr = PING_BUFFER_ADDRESS; 663 status = hif_ops->write_reg_multiple(adapter, write_addr, 664 (u8 *)bl_hdr, write_len); 665 if (status < 0) { 666 rsi_dbg(ERR_ZONE, 667 "%s: Failed to load Version/CRC structure\n", 668 __func__); 669 goto fail; 670 } 671 } else { 672 write_addr = PING_BUFFER_ADDRESS >> 16; 673 status = hif_ops->master_access_msword(adapter, write_addr); 674 if (status < 0) { 675 rsi_dbg(ERR_ZONE, 676 "%s: Unable to set ms word to common reg\n", 677 __func__); 678 goto fail; 679 } 680 write_addr = RSI_SD_REQUEST_MASTER | 681 (PING_BUFFER_ADDRESS & 0xFFFF); 682 status = hif_ops->write_reg_multiple(adapter, write_addr, 683 (u8 *)bl_hdr, write_len); 684 if (status < 0) { 685 rsi_dbg(ERR_ZONE, 686 "%s: Failed to load Version/CRC structure\n", 687 __func__); 688 goto fail; 689 } 690 } 691 status = 0; 692 fail: 693 kfree(bl_hdr); 694 return status; 695 } 696 697 static u32 read_flash_capacity(struct rsi_hw *adapter) 698 { 699 u32 flash_sz = 0; 700 701 if ((adapter->host_intf_ops->master_reg_read(adapter, FLASH_SIZE_ADDR, 702 &flash_sz, 2)) < 0) { 703 rsi_dbg(ERR_ZONE, 704 "%s: Flash size reading failed..\n", 705 __func__); 706 return 0; 707 } 708 rsi_dbg(INIT_ZONE, "Flash capacity: %d KiloBytes\n", flash_sz); 709 710 return (flash_sz * 1024); /* Return size in kbytes */ 711 } 712 713 static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size) 714 { 715 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 716 u32 block_size = adapter->block_size; 717 u32 cmd_addr; 718 u16 cmd_resp, cmd_req; 719 u8 *str; 720 int status; 721 722 if (cmd == PING_WRITE) { 723 cmd_addr = PING_BUFFER_ADDRESS; 724 cmd_resp = PONG_AVAIL; 725 cmd_req = PING_VALID; 726 str = "PING_VALID"; 727 } else { 728 cmd_addr = PONG_BUFFER_ADDRESS; 729 cmd_resp = PING_AVAIL; 730 cmd_req = PONG_VALID; 731 str = "PONG_VALID"; 732 } 733 734 status = hif_ops->load_data_master_write(adapter, cmd_addr, size, 735 block_size, addr); 736 if (status) { 737 rsi_dbg(ERR_ZONE, "%s: Unable to write blk at addr %0x\n", 738 __func__, *addr); 739 return status; 740 } 741 742 status = bl_cmd(adapter, cmd_req, cmd_resp, str); 743 if (status) 744 return status; 745 746 return 0; 747 } 748 749 static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content, 750 u32 content_size) 751 { 752 u8 cmd; 753 u32 temp_content_size, num_flash, index; 754 u32 flash_start_address; 755 int status; 756 757 if (content_size > MAX_FLASH_FILE_SIZE) { 758 rsi_dbg(ERR_ZONE, 759 "%s: Flash Content size is more than 400K %u\n", 760 __func__, MAX_FLASH_FILE_SIZE); 761 return -EINVAL; 762 } 763 764 flash_start_address = *(u32 *)&flash_content[FLASH_START_ADDRESS]; 765 rsi_dbg(INFO_ZONE, "flash start address: %08x\n", flash_start_address); 766 767 if (flash_start_address < FW_IMAGE_MIN_ADDRESS) { 768 rsi_dbg(ERR_ZONE, 769 "%s: Fw image Flash Start Address is less than 64K\n", 770 __func__); 771 return -EINVAL; 772 } 773 774 if (flash_start_address % FLASH_SECTOR_SIZE) { 775 rsi_dbg(ERR_ZONE, 776 "%s: Flash Start Address is not multiple of 4K\n", 777 __func__); 778 return -EINVAL; 779 } 780 781 if ((flash_start_address + content_size) > adapter->flash_capacity) { 782 rsi_dbg(ERR_ZONE, 783 "%s: Flash Content will cross max flash size\n", 784 __func__); 785 return -EINVAL; 786 } 787 788 temp_content_size = content_size; 789 num_flash = content_size / FLASH_WRITE_CHUNK_SIZE; 790 791 rsi_dbg(INFO_ZONE, "content_size: %d, num_flash: %d\n", 792 content_size, num_flash); 793 794 for (index = 0; index <= num_flash; index++) { 795 rsi_dbg(INFO_ZONE, "flash index: %d\n", index); 796 if (index != num_flash) { 797 content_size = FLASH_WRITE_CHUNK_SIZE; 798 rsi_dbg(INFO_ZONE, "QSPI content_size:%d\n", 799 content_size); 800 } else { 801 content_size = 802 temp_content_size % FLASH_WRITE_CHUNK_SIZE; 803 rsi_dbg(INFO_ZONE, 804 "Writing last sector content_size:%d\n", 805 content_size); 806 if (!content_size) { 807 rsi_dbg(INFO_ZONE, "instruction size zero\n"); 808 break; 809 } 810 } 811 812 if (index % 2) 813 cmd = PING_WRITE; 814 else 815 cmd = PONG_WRITE; 816 817 status = ping_pong_write(adapter, cmd, flash_content, 818 content_size); 819 if (status) { 820 rsi_dbg(ERR_ZONE, "%s: Unable to load %d block\n", 821 __func__, index); 822 return status; 823 } 824 825 rsi_dbg(INFO_ZONE, 826 "%s: Successfully loaded %d instructions\n", 827 __func__, index); 828 flash_content += content_size; 829 } 830 831 status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL, 832 "EOF_REACHED"); 833 if (status) 834 return status; 835 836 rsi_dbg(INFO_ZONE, "FW loading is done and FW is running..\n"); 837 return 0; 838 } 839 840 static int rsi_hal_prepare_fwload(struct rsi_hw *adapter) 841 { 842 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 843 u32 regout_val = 0; 844 int status; 845 846 bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); 847 848 while (!adapter->blcmd_timer_expired) { 849 status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, 850 ®out_val, 851 RSI_COMMON_REG_SIZE); 852 if (status < 0) { 853 bl_stop_cmd_timer(adapter); 854 rsi_dbg(ERR_ZONE, 855 "%s: REGOUT read failed\n", __func__); 856 return status; 857 } 858 mdelay(1); 859 if ((regout_val >> 8) == REGOUT_VALID) 860 break; 861 } 862 if (adapter->blcmd_timer_expired) { 863 rsi_dbg(ERR_ZONE, "%s: REGOUT read timedout\n", __func__); 864 rsi_dbg(ERR_ZONE, 865 "%s: Soft boot loader not present\n", __func__); 866 return -ETIMEDOUT; 867 } 868 bl_stop_cmd_timer(adapter); 869 870 rsi_dbg(INFO_ZONE, "Received Board Version Number: %x\n", 871 (regout_val & 0xff)); 872 873 status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, 874 (REGOUT_INVALID | 875 REGOUT_INVALID << 8), 876 RSI_COMMON_REG_SIZE); 877 if (status < 0) 878 rsi_dbg(ERR_ZONE, "%s: REGOUT writing failed..\n", __func__); 879 else 880 rsi_dbg(INFO_ZONE, 881 "===> Device is ready to load firmware <===\n"); 882 883 return status; 884 } 885 886 static int rsi_load_9113_firmware(struct rsi_hw *adapter) 887 { 888 struct rsi_common *common = adapter->priv; 889 const struct firmware *fw_entry = NULL; 890 u32 content_size; 891 u16 tmp_regout_val = 0; 892 struct ta_metadata *metadata_p; 893 int status; 894 895 status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, 896 "AUTO_READ_CMD"); 897 if (status < 0) 898 return status; 899 900 adapter->flash_capacity = read_flash_capacity(adapter); 901 if (adapter->flash_capacity <= 0) { 902 rsi_dbg(ERR_ZONE, 903 "%s: Unable to read flash size from EEPROM\n", 904 __func__); 905 return -EINVAL; 906 } 907 908 metadata_p = &metadata_flash_content[adapter->priv->coex_mode]; 909 910 rsi_dbg(INIT_ZONE, "%s: Loading file %s\n", __func__, metadata_p->name); 911 adapter->fw_file_name = metadata_p->name; 912 913 status = request_firmware(&fw_entry, metadata_p->name, adapter->device); 914 if (status < 0) { 915 rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", 916 __func__, metadata_p->name); 917 return status; 918 } 919 content_size = fw_entry->size; 920 rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size); 921 922 /* Get the firmware version */ 923 common->lmac_ver.ver.info.fw_ver[0] = 924 fw_entry->data[LMAC_VER_OFFSET_9113] & 0xFF; 925 common->lmac_ver.ver.info.fw_ver[1] = 926 fw_entry->data[LMAC_VER_OFFSET_9113 + 1] & 0xFF; 927 common->lmac_ver.major = 928 fw_entry->data[LMAC_VER_OFFSET_9113 + 2] & 0xFF; 929 common->lmac_ver.release_num = 930 fw_entry->data[LMAC_VER_OFFSET_9113 + 3] & 0xFF; 931 common->lmac_ver.minor = 932 fw_entry->data[LMAC_VER_OFFSET_9113 + 4] & 0xFF; 933 common->lmac_ver.patch_num = 0; 934 rsi_print_version(common); 935 936 status = bl_write_header(adapter, (u8 *)fw_entry->data, content_size); 937 if (status) { 938 rsi_dbg(ERR_ZONE, 939 "%s: RPS Image header loading failed\n", 940 __func__); 941 goto fail; 942 } 943 944 bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); 945 status = bl_write_cmd(adapter, CHECK_CRC, CMD_PASS, &tmp_regout_val); 946 if (status) { 947 bl_stop_cmd_timer(adapter); 948 rsi_dbg(ERR_ZONE, 949 "%s: CHECK_CRC Command writing failed..\n", 950 __func__); 951 if ((tmp_regout_val & 0xff) == CMD_FAIL) { 952 rsi_dbg(ERR_ZONE, 953 "CRC Fail.. Proceeding to Upgrade mode\n"); 954 goto fw_upgrade; 955 } 956 } 957 bl_stop_cmd_timer(adapter); 958 959 status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, "POLLING_MODE"); 960 if (status) 961 goto fail; 962 963 load_image_cmd: 964 status = bl_cmd(adapter, LOAD_HOSTED_FW, LOADING_INITIATED, 965 "LOAD_HOSTED_FW"); 966 if (status) 967 goto fail; 968 rsi_dbg(INFO_ZONE, "Load Image command passed..\n"); 969 goto success; 970 971 fw_upgrade: 972 status = bl_cmd(adapter, BURN_HOSTED_FW, SEND_RPS_FILE, "FW_UPGRADE"); 973 if (status) 974 goto fail; 975 976 rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n"); 977 978 status = auto_fw_upgrade(adapter, (u8 *)fw_entry->data, content_size); 979 if (status == 0) { 980 rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n"); 981 goto load_image_cmd; 982 } 983 rsi_dbg(ERR_ZONE, "Firmware upgrade failed\n"); 984 985 status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, 986 "AUTO_READ_MODE"); 987 if (status) 988 goto fail; 989 990 success: 991 rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n"); 992 release_firmware(fw_entry); 993 return 0; 994 995 fail: 996 rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n"); 997 release_firmware(fw_entry); 998 return status; 999 } 1000 1001 static int rsi_load_9116_firmware(struct rsi_hw *adapter) 1002 { 1003 struct rsi_common *common = adapter->priv; 1004 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 1005 const struct firmware *fw_entry; 1006 struct ta_metadata *metadata_p; 1007 u8 *ta_firmware, *fw_p; 1008 struct bootload_ds bootload_ds; 1009 u32 instructions_sz, base_address; 1010 u16 block_size = adapter->block_size; 1011 u32 dest, len; 1012 int status, cnt; 1013 1014 rsi_dbg(INIT_ZONE, "***** Load 9116 TA Instructions *****\n"); 1015 1016 if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { 1017 status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, 1018 "POLLING_MODE"); 1019 if (status < 0) 1020 return status; 1021 } 1022 1023 status = hif_ops->master_reg_write(adapter, MEM_ACCESS_CTRL_FROM_HOST, 1024 RAM_384K_ACCESS_FROM_TA, 1025 RSI_9116_REG_SIZE); 1026 if (status < 0) { 1027 rsi_dbg(ERR_ZONE, "%s: Unable to access full RAM memory\n", 1028 __func__); 1029 return status; 1030 } 1031 1032 metadata_p = &metadata[adapter->priv->coex_mode]; 1033 rsi_dbg(INIT_ZONE, "%s: loading file %s\n", __func__, metadata_p->name); 1034 status = request_firmware(&fw_entry, metadata_p->name, adapter->device); 1035 if (status < 0) { 1036 rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", 1037 __func__, metadata_p->name); 1038 return status; 1039 } 1040 1041 ta_firmware = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); 1042 if (!ta_firmware) { 1043 status = -ENOMEM; 1044 goto fail_release_fw; 1045 } 1046 fw_p = ta_firmware; 1047 instructions_sz = fw_entry->size; 1048 rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", instructions_sz); 1049 1050 common->lmac_ver.major = ta_firmware[LMAC_VER_OFFSET_9116]; 1051 common->lmac_ver.minor = ta_firmware[LMAC_VER_OFFSET_9116 + 1]; 1052 common->lmac_ver.release_num = ta_firmware[LMAC_VER_OFFSET_9116 + 2]; 1053 common->lmac_ver.patch_num = ta_firmware[LMAC_VER_OFFSET_9116 + 3]; 1054 common->lmac_ver.ver.info.fw_ver[0] = 1055 ta_firmware[LMAC_VER_OFFSET_9116 + 4]; 1056 1057 if (instructions_sz % FW_ALIGN_SIZE) 1058 instructions_sz += 1059 (FW_ALIGN_SIZE - (instructions_sz % FW_ALIGN_SIZE)); 1060 rsi_dbg(INFO_ZONE, "instructions_sz : %d\n", instructions_sz); 1061 1062 if (*(u16 *)fw_p == RSI_9116_FW_MAGIC_WORD) { 1063 memcpy(&bootload_ds, fw_p, sizeof(struct bootload_ds)); 1064 fw_p += le16_to_cpu(bootload_ds.offset); 1065 rsi_dbg(INFO_ZONE, "FW start = %x\n", *(u32 *)fw_p); 1066 1067 cnt = 0; 1068 do { 1069 rsi_dbg(ERR_ZONE, "%s: Loading chunk %d\n", 1070 __func__, cnt); 1071 1072 dest = le32_to_cpu(bootload_ds.bl_entry[cnt].dst_addr); 1073 len = le32_to_cpu(bootload_ds.bl_entry[cnt].control) & 1074 RSI_BL_CTRL_LEN_MASK; 1075 rsi_dbg(INFO_ZONE, "length %d destination %x\n", 1076 len, dest); 1077 1078 status = hif_ops->load_data_master_write(adapter, dest, 1079 len, 1080 block_size, 1081 fw_p); 1082 if (status < 0) { 1083 rsi_dbg(ERR_ZONE, 1084 "Failed to load chunk %d\n", cnt); 1085 break; 1086 } 1087 fw_p += len; 1088 if (le32_to_cpu(bootload_ds.bl_entry[cnt].control) & 1089 RSI_BL_CTRL_LAST_ENTRY) 1090 break; 1091 cnt++; 1092 } while (1); 1093 } else { 1094 base_address = metadata_p->address; 1095 status = hif_ops->load_data_master_write(adapter, 1096 base_address, 1097 instructions_sz, 1098 block_size, 1099 ta_firmware); 1100 } 1101 if (status) { 1102 rsi_dbg(ERR_ZONE, 1103 "%s: Unable to load %s blk\n", 1104 __func__, metadata_p->name); 1105 goto fail_free_fw; 1106 } 1107 1108 rsi_dbg(INIT_ZONE, "%s: Successfully loaded %s instructions\n", 1109 __func__, metadata_p->name); 1110 1111 if (adapter->rsi_host_intf == RSI_HOST_INTF_SDIO) { 1112 if (hif_ops->ta_reset(adapter)) 1113 rsi_dbg(ERR_ZONE, "Unable to put ta in reset\n"); 1114 } else { 1115 if (bl_cmd(adapter, JUMP_TO_ZERO_PC, 1116 CMD_PASS, "JUMP_TO_ZERO") < 0) 1117 rsi_dbg(INFO_ZONE, "Jump to zero command failed\n"); 1118 else 1119 rsi_dbg(INFO_ZONE, "Jump to zero command successful\n"); 1120 } 1121 1122 fail_free_fw: 1123 kfree(ta_firmware); 1124 fail_release_fw: 1125 release_firmware(fw_entry); 1126 1127 return status; 1128 } 1129 1130 int rsi_hal_device_init(struct rsi_hw *adapter) 1131 { 1132 struct rsi_common *common = adapter->priv; 1133 int status; 1134 1135 switch (adapter->device_model) { 1136 case RSI_DEV_9113: 1137 status = rsi_hal_prepare_fwload(adapter); 1138 if (status < 0) 1139 return status; 1140 if (rsi_load_9113_firmware(adapter)) { 1141 rsi_dbg(ERR_ZONE, 1142 "%s: Failed to load TA instructions\n", 1143 __func__); 1144 return -EINVAL; 1145 } 1146 break; 1147 case RSI_DEV_9116: 1148 status = rsi_hal_prepare_fwload(adapter); 1149 if (status < 0) 1150 return status; 1151 if (rsi_load_9116_firmware(adapter)) { 1152 rsi_dbg(ERR_ZONE, 1153 "%s: Failed to load firmware to 9116 device\n", 1154 __func__); 1155 return -EINVAL; 1156 } 1157 break; 1158 default: 1159 return -EINVAL; 1160 } 1161 common->fsm_state = FSM_CARD_NOT_READY; 1162 1163 return 0; 1164 } 1165 EXPORT_SYMBOL_GPL(rsi_hal_device_init); 1166 1167