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 info->control.hw_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->min_rate != RSI_RATE_AUTO) { 218 /* Send fixed rate */ 219 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 220 data_desc->rate_info = cpu_to_le16(common->min_rate); 221 222 if (conf_is_ht40(&common->priv->hw->conf)) 223 data_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); 224 225 if ((common->vif_info[0].sgi) && (common->min_rate & 0x100)) { 226 /* Only MCS rates */ 227 data_desc->rate_info |= 228 cpu_to_le16(ENABLE_SHORTGI_RATE); 229 } 230 } 231 232 if (skb->protocol == cpu_to_be16(ETH_P_PAE)) { 233 rsi_dbg(INFO_ZONE, "*** Tx EAPOL ***\n"); 234 235 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 236 if (common->band == NL80211_BAND_5GHZ) 237 data_desc->rate_info = cpu_to_le16(RSI_RATE_6); 238 else 239 data_desc->rate_info = cpu_to_le16(RSI_RATE_1); 240 data_desc->mac_flags |= cpu_to_le16(RSI_REKEY_PURPOSE); 241 data_desc->misc_flags |= RSI_FETCH_RETRY_CNT_FRM_HST; 242 #define EAPOL_RETRY_CNT 15 243 xtend_desc->retry_cnt = EAPOL_RETRY_CNT; 244 245 if (common->eapol4_confirm) 246 skb->priority = VO_Q; 247 else 248 rsi_set_len_qno(&data_desc->len_qno, 249 (skb->len - FRAME_DESC_SZ), 250 RSI_WIFI_MGMT_Q); 251 if (((skb->len - header_size) == EAPOL4_PACKET_LEN) || 252 ((skb->len - header_size) == EAPOL4_PACKET_LEN - 2)) { 253 data_desc->misc_flags |= 254 RSI_DESC_REQUIRE_CFM_TO_HOST; 255 xtend_desc->confirm_frame_type = EAPOL4_CONFIRM; 256 } 257 } 258 259 data_desc->mac_flags |= cpu_to_le16(seq_num & 0xfff); 260 data_desc->qid_tid = ((skb->priority & 0xf) | 261 ((tx_params->tid & 0xf) << 4)); 262 data_desc->sta_id = tx_params->sta_id; 263 264 if ((is_broadcast_ether_addr(wh->addr1)) || 265 (is_multicast_ether_addr(wh->addr1))) { 266 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 267 data_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); 268 data_desc->sta_id = vap_id; 269 270 if ((vif->type == NL80211_IFTYPE_AP) || 271 (vif->type == NL80211_IFTYPE_P2P_GO)) { 272 if (common->band == NL80211_BAND_5GHZ) 273 data_desc->rate_info = cpu_to_le16(RSI_RATE_6); 274 else 275 data_desc->rate_info = cpu_to_le16(RSI_RATE_1); 276 } 277 } 278 if (((vif->type == NL80211_IFTYPE_AP) || 279 (vif->type == NL80211_IFTYPE_P2P_GO)) && 280 (ieee80211_has_moredata(wh->frame_control))) 281 data_desc->frame_info |= cpu_to_le16(MORE_DATA_PRESENT); 282 283 data_desc->rate_info |= 284 cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) & 285 RSI_DESC_VAP_ID_MASK); 286 287 return 0; 288 } 289 290 /* This function sends received data packet from driver to device */ 291 int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) 292 { 293 struct rsi_hw *adapter = common->priv; 294 struct ieee80211_vif *vif; 295 struct ieee80211_tx_info *info; 296 struct ieee80211_bss_conf *bss; 297 int status = -EINVAL; 298 299 if (!skb) 300 return 0; 301 if (common->iface_down) 302 goto err; 303 304 info = IEEE80211_SKB_CB(skb); 305 if (!info->control.vif) 306 goto err; 307 vif = info->control.vif; 308 bss = &vif->bss_conf; 309 310 if (((vif->type == NL80211_IFTYPE_STATION) || 311 (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && 312 (!bss->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) && !bss->assoc) { 369 rsi_dbg(INFO_ZONE, 370 "%s: blocking mgmt queue\n", __func__); 371 mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST; 372 xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM; 373 common->mgmt_q_block = true; 374 rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n"); 375 } 376 377 status = rsi_send_pkt_to_bus(common, skb); 378 if (status) 379 rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); 380 381 rsi_indicate_tx_status(common->priv, skb, status); 382 return status; 383 } 384 385 int rsi_send_bt_pkt(struct rsi_common *common, struct sk_buff *skb) 386 { 387 int status = -EINVAL; 388 u8 header_size = 0; 389 struct rsi_bt_desc *bt_desc; 390 u8 queueno = ((skb->data[1] >> 4) & 0xf); 391 392 if (queueno == RSI_BT_MGMT_Q) { 393 status = rsi_send_pkt_to_bus(common, skb); 394 if (status) 395 rsi_dbg(ERR_ZONE, "%s: Failed to write bt mgmt pkt\n", 396 __func__); 397 goto out; 398 } 399 header_size = FRAME_DESC_SZ; 400 if (header_size > skb_headroom(skb)) { 401 rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); 402 status = -ENOSPC; 403 goto out; 404 } 405 skb_push(skb, header_size); 406 memset(skb->data, 0, header_size); 407 bt_desc = (struct rsi_bt_desc *)skb->data; 408 409 rsi_set_len_qno(&bt_desc->len_qno, (skb->len - FRAME_DESC_SZ), 410 RSI_BT_DATA_Q); 411 bt_desc->bt_pkt_type = cpu_to_le16(bt_cb(skb)->pkt_type); 412 413 status = rsi_send_pkt_to_bus(common, skb); 414 if (status) 415 rsi_dbg(ERR_ZONE, "%s: Failed to write bt pkt\n", __func__); 416 417 out: 418 dev_kfree_skb(skb); 419 return status; 420 } 421 422 int rsi_prepare_beacon(struct rsi_common *common, struct sk_buff *skb) 423 { 424 struct rsi_hw *adapter = (struct rsi_hw *)common->priv; 425 struct rsi_data_desc *bcn_frm; 426 struct ieee80211_hw *hw = common->priv->hw; 427 struct ieee80211_conf *conf = &hw->conf; 428 struct ieee80211_vif *vif; 429 struct sk_buff *mac_bcn; 430 u8 vap_id = 0, i; 431 u16 tim_offset = 0; 432 433 for (i = 0; i < RSI_MAX_VIFS; i++) { 434 vif = adapter->vifs[i]; 435 if (!vif) 436 continue; 437 if ((vif->type == NL80211_IFTYPE_AP) || 438 (vif->type == NL80211_IFTYPE_P2P_GO)) 439 break; 440 } 441 if (!vif) 442 return -EINVAL; 443 mac_bcn = ieee80211_beacon_get_tim(adapter->hw, 444 vif, 445 &tim_offset, NULL); 446 if (!mac_bcn) { 447 rsi_dbg(ERR_ZONE, "Failed to get beacon from mac80211\n"); 448 return -EINVAL; 449 } 450 451 common->beacon_cnt++; 452 bcn_frm = (struct rsi_data_desc *)skb->data; 453 rsi_set_len_qno(&bcn_frm->len_qno, mac_bcn->len, RSI_WIFI_DATA_Q); 454 bcn_frm->header_len = MIN_802_11_HDR_LEN; 455 bcn_frm->frame_info = cpu_to_le16(RSI_DATA_DESC_MAC_BBP_INFO | 456 RSI_DATA_DESC_NO_ACK_IND | 457 RSI_DATA_DESC_BEACON_FRAME | 458 RSI_DATA_DESC_INSERT_TSF | 459 RSI_DATA_DESC_INSERT_SEQ_NO | 460 RATE_INFO_ENABLE); 461 bcn_frm->rate_info = cpu_to_le16(vap_id << 14); 462 bcn_frm->qid_tid = BEACON_HW_Q; 463 464 if (conf_is_ht40_plus(conf)) { 465 bcn_frm->bbp_info = cpu_to_le16(LOWER_20_ENABLE); 466 bcn_frm->bbp_info |= cpu_to_le16(LOWER_20_ENABLE >> 12); 467 } else if (conf_is_ht40_minus(conf)) { 468 bcn_frm->bbp_info = cpu_to_le16(UPPER_20_ENABLE); 469 bcn_frm->bbp_info |= cpu_to_le16(UPPER_20_ENABLE >> 12); 470 } 471 472 if (common->band == NL80211_BAND_2GHZ) 473 bcn_frm->rate_info |= cpu_to_le16(RSI_RATE_1); 474 else 475 bcn_frm->rate_info |= cpu_to_le16(RSI_RATE_6); 476 477 if (mac_bcn->data[tim_offset + 2] == 0) 478 bcn_frm->frame_info |= cpu_to_le16(RSI_DATA_DESC_DTIM_BEACON); 479 480 memcpy(&skb->data[FRAME_DESC_SZ], mac_bcn->data, mac_bcn->len); 481 skb_put(skb, mac_bcn->len + FRAME_DESC_SZ); 482 483 dev_kfree_skb(mac_bcn); 484 485 return 0; 486 } 487 488 static void bl_cmd_timeout(struct timer_list *t) 489 { 490 struct rsi_hw *adapter = from_timer(adapter, t, bl_cmd_timer); 491 492 adapter->blcmd_timer_expired = true; 493 del_timer(&adapter->bl_cmd_timer); 494 } 495 496 static int bl_start_cmd_timer(struct rsi_hw *adapter, u32 timeout) 497 { 498 timer_setup(&adapter->bl_cmd_timer, bl_cmd_timeout, 0); 499 adapter->bl_cmd_timer.expires = (msecs_to_jiffies(timeout) + jiffies); 500 501 adapter->blcmd_timer_expired = false; 502 add_timer(&adapter->bl_cmd_timer); 503 504 return 0; 505 } 506 507 static int bl_stop_cmd_timer(struct rsi_hw *adapter) 508 { 509 adapter->blcmd_timer_expired = false; 510 if (timer_pending(&adapter->bl_cmd_timer)) 511 del_timer(&adapter->bl_cmd_timer); 512 513 return 0; 514 } 515 516 static int bl_write_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, 517 u16 *cmd_resp) 518 { 519 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 520 u32 regin_val = 0, regout_val = 0; 521 u32 regin_input = 0; 522 u8 output = 0; 523 int status; 524 525 regin_input = (REGIN_INPUT | adapter->priv->coex_mode); 526 527 while (!adapter->blcmd_timer_expired) { 528 regin_val = 0; 529 status = hif_ops->master_reg_read(adapter, SWBL_REGIN, 530 ®in_val, 2); 531 if (status < 0) { 532 rsi_dbg(ERR_ZONE, 533 "%s: Command %0x REGIN reading failed..\n", 534 __func__, cmd); 535 return status; 536 } 537 mdelay(1); 538 if ((regin_val >> 12) != REGIN_VALID) 539 break; 540 } 541 if (adapter->blcmd_timer_expired) { 542 rsi_dbg(ERR_ZONE, 543 "%s: Command %0x REGIN reading timed out..\n", 544 __func__, cmd); 545 return -ETIMEDOUT; 546 } 547 548 rsi_dbg(INFO_ZONE, 549 "Issuing write to Regin val:%0x sending cmd:%0x\n", 550 regin_val, (cmd | regin_input << 8)); 551 status = hif_ops->master_reg_write(adapter, SWBL_REGIN, 552 (cmd | regin_input << 8), 2); 553 if (status < 0) 554 return status; 555 mdelay(1); 556 557 if (cmd == LOAD_HOSTED_FW || cmd == JUMP_TO_ZERO_PC) { 558 /* JUMP_TO_ZERO_PC doesn't expect 559 * any response. So return from here 560 */ 561 return 0; 562 } 563 564 while (!adapter->blcmd_timer_expired) { 565 regout_val = 0; 566 status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, 567 ®out_val, 2); 568 if (status < 0) { 569 rsi_dbg(ERR_ZONE, 570 "%s: Command %0x REGOUT reading failed..\n", 571 __func__, cmd); 572 return status; 573 } 574 mdelay(1); 575 if ((regout_val >> 8) == REGOUT_VALID) 576 break; 577 } 578 if (adapter->blcmd_timer_expired) { 579 rsi_dbg(ERR_ZONE, 580 "%s: Command %0x REGOUT reading timed out..\n", 581 __func__, cmd); 582 return status; 583 } 584 585 *cmd_resp = ((u16 *)®out_val)[0] & 0xffff; 586 587 output = ((u8 *)®out_val)[0] & 0xff; 588 589 status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, 590 (cmd | REGOUT_INVALID << 8), 2); 591 if (status < 0) { 592 rsi_dbg(ERR_ZONE, 593 "%s: Command %0x REGOUT writing failed..\n", 594 __func__, cmd); 595 return status; 596 } 597 mdelay(1); 598 599 if (output != exp_resp) { 600 rsi_dbg(ERR_ZONE, 601 "%s: Recvd resp %x for cmd %0x\n", 602 __func__, output, cmd); 603 return -EINVAL; 604 } 605 rsi_dbg(INFO_ZONE, 606 "%s: Recvd Expected resp %x for cmd %0x\n", 607 __func__, output, cmd); 608 609 return 0; 610 } 611 612 static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str) 613 { 614 u16 regout_val = 0; 615 u32 timeout; 616 int status; 617 618 if ((cmd == EOF_REACHED) || (cmd == PING_VALID) || (cmd == PONG_VALID)) 619 timeout = BL_BURN_TIMEOUT; 620 else 621 timeout = BL_CMD_TIMEOUT; 622 623 bl_start_cmd_timer(adapter, timeout); 624 status = bl_write_cmd(adapter, cmd, exp_resp, ®out_val); 625 if (status < 0) { 626 bl_stop_cmd_timer(adapter); 627 rsi_dbg(ERR_ZONE, 628 "%s: Command %s (%0x) writing failed..\n", 629 __func__, str, cmd); 630 return status; 631 } 632 bl_stop_cmd_timer(adapter); 633 return 0; 634 } 635 636 #define CHECK_SUM_OFFSET 20 637 #define LEN_OFFSET 8 638 #define ADDR_OFFSET 16 639 static int bl_write_header(struct rsi_hw *adapter, u8 *flash_content, 640 u32 content_size) 641 { 642 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 643 struct bl_header *bl_hdr; 644 u32 write_addr, write_len; 645 int status; 646 647 bl_hdr = kzalloc(sizeof(*bl_hdr), GFP_KERNEL); 648 if (!bl_hdr) 649 return -ENOMEM; 650 651 bl_hdr->flags = 0; 652 bl_hdr->image_no = cpu_to_le32(adapter->priv->coex_mode); 653 bl_hdr->check_sum = 654 cpu_to_le32(*(u32 *)&flash_content[CHECK_SUM_OFFSET]); 655 bl_hdr->flash_start_address = 656 cpu_to_le32(*(u32 *)&flash_content[ADDR_OFFSET]); 657 bl_hdr->flash_len = cpu_to_le32(*(u32 *)&flash_content[LEN_OFFSET]); 658 write_len = sizeof(struct bl_header); 659 660 if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { 661 write_addr = PING_BUFFER_ADDRESS; 662 status = hif_ops->write_reg_multiple(adapter, write_addr, 663 (u8 *)bl_hdr, write_len); 664 if (status < 0) { 665 rsi_dbg(ERR_ZONE, 666 "%s: Failed to load Version/CRC structure\n", 667 __func__); 668 goto fail; 669 } 670 } else { 671 write_addr = PING_BUFFER_ADDRESS >> 16; 672 status = hif_ops->master_access_msword(adapter, write_addr); 673 if (status < 0) { 674 rsi_dbg(ERR_ZONE, 675 "%s: Unable to set ms word to common reg\n", 676 __func__); 677 goto fail; 678 } 679 write_addr = RSI_SD_REQUEST_MASTER | 680 (PING_BUFFER_ADDRESS & 0xFFFF); 681 status = hif_ops->write_reg_multiple(adapter, write_addr, 682 (u8 *)bl_hdr, write_len); 683 if (status < 0) { 684 rsi_dbg(ERR_ZONE, 685 "%s: Failed to load Version/CRC structure\n", 686 __func__); 687 goto fail; 688 } 689 } 690 status = 0; 691 fail: 692 kfree(bl_hdr); 693 return status; 694 } 695 696 static u32 read_flash_capacity(struct rsi_hw *adapter) 697 { 698 u32 flash_sz = 0; 699 700 if ((adapter->host_intf_ops->master_reg_read(adapter, FLASH_SIZE_ADDR, 701 &flash_sz, 2)) < 0) { 702 rsi_dbg(ERR_ZONE, 703 "%s: Flash size reading failed..\n", 704 __func__); 705 return 0; 706 } 707 rsi_dbg(INIT_ZONE, "Flash capacity: %d KiloBytes\n", flash_sz); 708 709 return (flash_sz * 1024); /* Return size in kbytes */ 710 } 711 712 static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size) 713 { 714 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 715 u32 block_size = adapter->block_size; 716 u32 cmd_addr; 717 u16 cmd_resp, cmd_req; 718 u8 *str; 719 int status; 720 721 if (cmd == PING_WRITE) { 722 cmd_addr = PING_BUFFER_ADDRESS; 723 cmd_resp = PONG_AVAIL; 724 cmd_req = PING_VALID; 725 str = "PING_VALID"; 726 } else { 727 cmd_addr = PONG_BUFFER_ADDRESS; 728 cmd_resp = PING_AVAIL; 729 cmd_req = PONG_VALID; 730 str = "PONG_VALID"; 731 } 732 733 status = hif_ops->load_data_master_write(adapter, cmd_addr, size, 734 block_size, addr); 735 if (status) { 736 rsi_dbg(ERR_ZONE, "%s: Unable to write blk at addr %0x\n", 737 __func__, *addr); 738 return status; 739 } 740 741 status = bl_cmd(adapter, cmd_req, cmd_resp, str); 742 if (status) 743 return status; 744 745 return 0; 746 } 747 748 static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content, 749 u32 content_size) 750 { 751 u8 cmd; 752 u32 temp_content_size, num_flash, index; 753 u32 flash_start_address; 754 int status; 755 756 if (content_size > MAX_FLASH_FILE_SIZE) { 757 rsi_dbg(ERR_ZONE, 758 "%s: Flash Content size is more than 400K %u\n", 759 __func__, MAX_FLASH_FILE_SIZE); 760 return -EINVAL; 761 } 762 763 flash_start_address = *(u32 *)&flash_content[FLASH_START_ADDRESS]; 764 rsi_dbg(INFO_ZONE, "flash start address: %08x\n", flash_start_address); 765 766 if (flash_start_address < FW_IMAGE_MIN_ADDRESS) { 767 rsi_dbg(ERR_ZONE, 768 "%s: Fw image Flash Start Address is less than 64K\n", 769 __func__); 770 return -EINVAL; 771 } 772 773 if (flash_start_address % FLASH_SECTOR_SIZE) { 774 rsi_dbg(ERR_ZONE, 775 "%s: Flash Start Address is not multiple of 4K\n", 776 __func__); 777 return -EINVAL; 778 } 779 780 if ((flash_start_address + content_size) > adapter->flash_capacity) { 781 rsi_dbg(ERR_ZONE, 782 "%s: Flash Content will cross max flash size\n", 783 __func__); 784 return -EINVAL; 785 } 786 787 temp_content_size = content_size; 788 num_flash = content_size / FLASH_WRITE_CHUNK_SIZE; 789 790 rsi_dbg(INFO_ZONE, "content_size: %d, num_flash: %d\n", 791 content_size, num_flash); 792 793 for (index = 0; index <= num_flash; index++) { 794 rsi_dbg(INFO_ZONE, "flash index: %d\n", index); 795 if (index != num_flash) { 796 content_size = FLASH_WRITE_CHUNK_SIZE; 797 rsi_dbg(INFO_ZONE, "QSPI content_size:%d\n", 798 content_size); 799 } else { 800 content_size = 801 temp_content_size % FLASH_WRITE_CHUNK_SIZE; 802 rsi_dbg(INFO_ZONE, 803 "Writing last sector content_size:%d\n", 804 content_size); 805 if (!content_size) { 806 rsi_dbg(INFO_ZONE, "instruction size zero\n"); 807 break; 808 } 809 } 810 811 if (index % 2) 812 cmd = PING_WRITE; 813 else 814 cmd = PONG_WRITE; 815 816 status = ping_pong_write(adapter, cmd, flash_content, 817 content_size); 818 if (status) { 819 rsi_dbg(ERR_ZONE, "%s: Unable to load %d block\n", 820 __func__, index); 821 return status; 822 } 823 824 rsi_dbg(INFO_ZONE, 825 "%s: Successfully loaded %d instructions\n", 826 __func__, index); 827 flash_content += content_size; 828 } 829 830 status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL, 831 "EOF_REACHED"); 832 if (status) 833 return status; 834 835 rsi_dbg(INFO_ZONE, "FW loading is done and FW is running..\n"); 836 return 0; 837 } 838 839 static int rsi_hal_prepare_fwload(struct rsi_hw *adapter) 840 { 841 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 842 u32 regout_val = 0; 843 int status; 844 845 bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); 846 847 while (!adapter->blcmd_timer_expired) { 848 status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, 849 ®out_val, 850 RSI_COMMON_REG_SIZE); 851 if (status < 0) { 852 bl_stop_cmd_timer(adapter); 853 rsi_dbg(ERR_ZONE, 854 "%s: REGOUT read failed\n", __func__); 855 return status; 856 } 857 mdelay(1); 858 if ((regout_val >> 8) == REGOUT_VALID) 859 break; 860 } 861 if (adapter->blcmd_timer_expired) { 862 rsi_dbg(ERR_ZONE, "%s: REGOUT read timedout\n", __func__); 863 rsi_dbg(ERR_ZONE, 864 "%s: Soft boot loader not present\n", __func__); 865 return -ETIMEDOUT; 866 } 867 bl_stop_cmd_timer(adapter); 868 869 rsi_dbg(INFO_ZONE, "Received Board Version Number: %x\n", 870 (regout_val & 0xff)); 871 872 status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, 873 (REGOUT_INVALID | 874 REGOUT_INVALID << 8), 875 RSI_COMMON_REG_SIZE); 876 if (status < 0) 877 rsi_dbg(ERR_ZONE, "%s: REGOUT writing failed..\n", __func__); 878 else 879 rsi_dbg(INFO_ZONE, 880 "===> Device is ready to load firmware <===\n"); 881 882 return status; 883 } 884 885 static int rsi_load_9113_firmware(struct rsi_hw *adapter) 886 { 887 struct rsi_common *common = adapter->priv; 888 const struct firmware *fw_entry = NULL; 889 u32 content_size; 890 u16 tmp_regout_val = 0; 891 struct ta_metadata *metadata_p; 892 int status; 893 894 status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, 895 "AUTO_READ_CMD"); 896 if (status < 0) 897 return status; 898 899 adapter->flash_capacity = read_flash_capacity(adapter); 900 if (adapter->flash_capacity <= 0) { 901 rsi_dbg(ERR_ZONE, 902 "%s: Unable to read flash size from EEPROM\n", 903 __func__); 904 return -EINVAL; 905 } 906 907 metadata_p = &metadata_flash_content[adapter->priv->coex_mode]; 908 909 rsi_dbg(INIT_ZONE, "%s: Loading file %s\n", __func__, metadata_p->name); 910 adapter->fw_file_name = metadata_p->name; 911 912 status = request_firmware(&fw_entry, metadata_p->name, adapter->device); 913 if (status < 0) { 914 rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", 915 __func__, metadata_p->name); 916 return status; 917 } 918 content_size = fw_entry->size; 919 rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size); 920 921 /* Get the firmware version */ 922 common->lmac_ver.ver.info.fw_ver[0] = 923 fw_entry->data[LMAC_VER_OFFSET_9113] & 0xFF; 924 common->lmac_ver.ver.info.fw_ver[1] = 925 fw_entry->data[LMAC_VER_OFFSET_9113 + 1] & 0xFF; 926 common->lmac_ver.major = 927 fw_entry->data[LMAC_VER_OFFSET_9113 + 2] & 0xFF; 928 common->lmac_ver.release_num = 929 fw_entry->data[LMAC_VER_OFFSET_9113 + 3] & 0xFF; 930 common->lmac_ver.minor = 931 fw_entry->data[LMAC_VER_OFFSET_9113 + 4] & 0xFF; 932 common->lmac_ver.patch_num = 0; 933 rsi_print_version(common); 934 935 status = bl_write_header(adapter, (u8 *)fw_entry->data, content_size); 936 if (status) { 937 rsi_dbg(ERR_ZONE, 938 "%s: RPS Image header loading failed\n", 939 __func__); 940 goto fail; 941 } 942 943 bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); 944 status = bl_write_cmd(adapter, CHECK_CRC, CMD_PASS, &tmp_regout_val); 945 if (status) { 946 bl_stop_cmd_timer(adapter); 947 rsi_dbg(ERR_ZONE, 948 "%s: CHECK_CRC Command writing failed..\n", 949 __func__); 950 if ((tmp_regout_val & 0xff) == CMD_FAIL) { 951 rsi_dbg(ERR_ZONE, 952 "CRC Fail.. Proceeding to Upgrade mode\n"); 953 goto fw_upgrade; 954 } 955 } 956 bl_stop_cmd_timer(adapter); 957 958 status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, "POLLING_MODE"); 959 if (status) 960 goto fail; 961 962 load_image_cmd: 963 status = bl_cmd(adapter, LOAD_HOSTED_FW, LOADING_INITIATED, 964 "LOAD_HOSTED_FW"); 965 if (status) 966 goto fail; 967 rsi_dbg(INFO_ZONE, "Load Image command passed..\n"); 968 goto success; 969 970 fw_upgrade: 971 status = bl_cmd(adapter, BURN_HOSTED_FW, SEND_RPS_FILE, "FW_UPGRADE"); 972 if (status) 973 goto fail; 974 975 rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n"); 976 977 status = auto_fw_upgrade(adapter, (u8 *)fw_entry->data, content_size); 978 if (status == 0) { 979 rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n"); 980 goto load_image_cmd; 981 } 982 rsi_dbg(ERR_ZONE, "Firmware upgrade failed\n"); 983 984 status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, 985 "AUTO_READ_MODE"); 986 if (status) 987 goto fail; 988 989 success: 990 rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n"); 991 release_firmware(fw_entry); 992 return 0; 993 994 fail: 995 rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n"); 996 release_firmware(fw_entry); 997 return status; 998 } 999 1000 static int rsi_load_9116_firmware(struct rsi_hw *adapter) 1001 { 1002 struct rsi_common *common = adapter->priv; 1003 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 1004 const struct firmware *fw_entry; 1005 struct ta_metadata *metadata_p; 1006 u8 *ta_firmware, *fw_p; 1007 struct bootload_ds bootload_ds; 1008 u32 instructions_sz, base_address; 1009 u16 block_size = adapter->block_size; 1010 u32 dest, len; 1011 int status, cnt; 1012 1013 rsi_dbg(INIT_ZONE, "***** Load 9116 TA Instructions *****\n"); 1014 1015 if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { 1016 status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, 1017 "POLLING_MODE"); 1018 if (status < 0) 1019 return status; 1020 } 1021 1022 status = hif_ops->master_reg_write(adapter, MEM_ACCESS_CTRL_FROM_HOST, 1023 RAM_384K_ACCESS_FROM_TA, 1024 RSI_9116_REG_SIZE); 1025 if (status < 0) { 1026 rsi_dbg(ERR_ZONE, "%s: Unable to access full RAM memory\n", 1027 __func__); 1028 return status; 1029 } 1030 1031 metadata_p = &metadata[adapter->priv->coex_mode]; 1032 rsi_dbg(INIT_ZONE, "%s: loading file %s\n", __func__, metadata_p->name); 1033 status = request_firmware(&fw_entry, metadata_p->name, adapter->device); 1034 if (status < 0) { 1035 rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", 1036 __func__, metadata_p->name); 1037 return status; 1038 } 1039 1040 ta_firmware = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); 1041 if (!ta_firmware) 1042 goto fail_release_fw; 1043 fw_p = ta_firmware; 1044 instructions_sz = fw_entry->size; 1045 rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", instructions_sz); 1046 1047 common->lmac_ver.major = ta_firmware[LMAC_VER_OFFSET_9116]; 1048 common->lmac_ver.minor = ta_firmware[LMAC_VER_OFFSET_9116 + 1]; 1049 common->lmac_ver.release_num = ta_firmware[LMAC_VER_OFFSET_9116 + 2]; 1050 common->lmac_ver.patch_num = ta_firmware[LMAC_VER_OFFSET_9116 + 3]; 1051 common->lmac_ver.ver.info.fw_ver[0] = 1052 ta_firmware[LMAC_VER_OFFSET_9116 + 4]; 1053 1054 if (instructions_sz % FW_ALIGN_SIZE) 1055 instructions_sz += 1056 (FW_ALIGN_SIZE - (instructions_sz % FW_ALIGN_SIZE)); 1057 rsi_dbg(INFO_ZONE, "instructions_sz : %d\n", instructions_sz); 1058 1059 if (*(u16 *)fw_p == RSI_9116_FW_MAGIC_WORD) { 1060 memcpy(&bootload_ds, fw_p, sizeof(struct bootload_ds)); 1061 fw_p += le16_to_cpu(bootload_ds.offset); 1062 rsi_dbg(INFO_ZONE, "FW start = %x\n", *(u32 *)fw_p); 1063 1064 cnt = 0; 1065 do { 1066 rsi_dbg(ERR_ZONE, "%s: Loading chunk %d\n", 1067 __func__, cnt); 1068 1069 dest = le32_to_cpu(bootload_ds.bl_entry[cnt].dst_addr); 1070 len = le32_to_cpu(bootload_ds.bl_entry[cnt].control) & 1071 RSI_BL_CTRL_LEN_MASK; 1072 rsi_dbg(INFO_ZONE, "length %d destination %x\n", 1073 len, dest); 1074 1075 status = hif_ops->load_data_master_write(adapter, dest, 1076 len, 1077 block_size, 1078 fw_p); 1079 if (status < 0) { 1080 rsi_dbg(ERR_ZONE, 1081 "Failed to load chunk %d\n", cnt); 1082 break; 1083 } 1084 fw_p += len; 1085 if (le32_to_cpu(bootload_ds.bl_entry[cnt].control) & 1086 RSI_BL_CTRL_LAST_ENTRY) 1087 break; 1088 cnt++; 1089 } while (1); 1090 } else { 1091 base_address = metadata_p->address; 1092 status = hif_ops->load_data_master_write(adapter, 1093 base_address, 1094 instructions_sz, 1095 block_size, 1096 ta_firmware); 1097 } 1098 if (status) { 1099 rsi_dbg(ERR_ZONE, 1100 "%s: Unable to load %s blk\n", 1101 __func__, metadata_p->name); 1102 goto fail_free_fw; 1103 } 1104 1105 rsi_dbg(INIT_ZONE, "%s: Successfully loaded %s instructions\n", 1106 __func__, metadata_p->name); 1107 1108 if (adapter->rsi_host_intf == RSI_HOST_INTF_SDIO) { 1109 if (hif_ops->ta_reset(adapter)) 1110 rsi_dbg(ERR_ZONE, "Unable to put ta in reset\n"); 1111 } else { 1112 if (bl_cmd(adapter, JUMP_TO_ZERO_PC, 1113 CMD_PASS, "JUMP_TO_ZERO") < 0) 1114 rsi_dbg(INFO_ZONE, "Jump to zero command failed\n"); 1115 else 1116 rsi_dbg(INFO_ZONE, "Jump to zero command successful\n"); 1117 } 1118 1119 fail_free_fw: 1120 kfree(ta_firmware); 1121 fail_release_fw: 1122 release_firmware(fw_entry); 1123 1124 return status; 1125 } 1126 1127 int rsi_hal_device_init(struct rsi_hw *adapter) 1128 { 1129 struct rsi_common *common = adapter->priv; 1130 int status; 1131 1132 switch (adapter->device_model) { 1133 case RSI_DEV_9113: 1134 status = rsi_hal_prepare_fwload(adapter); 1135 if (status < 0) 1136 return status; 1137 if (rsi_load_9113_firmware(adapter)) { 1138 rsi_dbg(ERR_ZONE, 1139 "%s: Failed to load TA instructions\n", 1140 __func__); 1141 return -EINVAL; 1142 } 1143 break; 1144 case RSI_DEV_9116: 1145 status = rsi_hal_prepare_fwload(adapter); 1146 if (status < 0) 1147 return status; 1148 if (rsi_load_9116_firmware(adapter)) { 1149 rsi_dbg(ERR_ZONE, 1150 "%s: Failed to load firmware to 9116 device\n", 1151 __func__); 1152 return -EINVAL; 1153 } 1154 break; 1155 default: 1156 return -EINVAL; 1157 } 1158 common->fsm_state = FSM_CARD_NOT_READY; 1159 1160 return 0; 1161 } 1162 EXPORT_SYMBOL_GPL(rsi_hal_device_init); 1163 1164