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 (common->secinfo.security_enable)) { 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 data_desc->misc_flags |= 253 RSI_DESC_REQUIRE_CFM_TO_HOST; 254 xtend_desc->confirm_frame_type = EAPOL4_CONFIRM; 255 } 256 } 257 258 data_desc->mac_flags |= cpu_to_le16(seq_num & 0xfff); 259 data_desc->qid_tid = ((skb->priority & 0xf) | 260 ((tx_params->tid & 0xf) << 4)); 261 data_desc->sta_id = tx_params->sta_id; 262 263 if ((is_broadcast_ether_addr(wh->addr1)) || 264 (is_multicast_ether_addr(wh->addr1))) { 265 data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); 266 data_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); 267 data_desc->sta_id = vap_id; 268 269 if ((vif->type == NL80211_IFTYPE_AP) || 270 (vif->type == NL80211_IFTYPE_P2P_GO)) { 271 if (common->band == NL80211_BAND_5GHZ) 272 data_desc->rate_info = cpu_to_le16(RSI_RATE_6); 273 else 274 data_desc->rate_info = cpu_to_le16(RSI_RATE_1); 275 } 276 } 277 if (((vif->type == NL80211_IFTYPE_AP) || 278 (vif->type == NL80211_IFTYPE_P2P_GO)) && 279 (ieee80211_has_moredata(wh->frame_control))) 280 data_desc->frame_info |= cpu_to_le16(MORE_DATA_PRESENT); 281 282 data_desc->rate_info |= 283 cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) & 284 RSI_DESC_VAP_ID_MASK); 285 286 return 0; 287 } 288 289 /* This function sends received data packet from driver to device */ 290 int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) 291 { 292 struct rsi_hw *adapter = common->priv; 293 struct ieee80211_vif *vif; 294 struct ieee80211_tx_info *info; 295 struct ieee80211_bss_conf *bss; 296 int status = -EINVAL; 297 298 if (!skb) 299 return 0; 300 if (common->iface_down) 301 goto err; 302 303 info = IEEE80211_SKB_CB(skb); 304 if (!info->control.vif) 305 goto err; 306 vif = info->control.vif; 307 bss = &vif->bss_conf; 308 309 if (((vif->type == NL80211_IFTYPE_STATION) || 310 (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && 311 (!bss->assoc)) 312 goto err; 313 314 status = rsi_send_pkt_to_bus(common, skb); 315 if (status) 316 rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", __func__); 317 318 err: 319 ++common->tx_stats.total_tx_pkt_freed[skb->priority]; 320 rsi_indicate_tx_status(adapter, skb, status); 321 return status; 322 } 323 324 /** 325 * rsi_send_mgmt_pkt() - This functions sends the received management packet 326 * from driver to device. 327 * @common: Pointer to the driver private structure. 328 * @skb: Pointer to the socket buffer structure. 329 * 330 * Return: status: 0 on success, -1 on failure. 331 */ 332 int rsi_send_mgmt_pkt(struct rsi_common *common, 333 struct sk_buff *skb) 334 { 335 struct rsi_hw *adapter = common->priv; 336 struct ieee80211_bss_conf *bss; 337 struct ieee80211_hdr *wh; 338 struct ieee80211_tx_info *info; 339 struct skb_info *tx_params; 340 struct rsi_mgmt_desc *mgmt_desc; 341 struct rsi_xtended_desc *xtend_desc; 342 int status = -E2BIG; 343 u8 header_size; 344 345 info = IEEE80211_SKB_CB(skb); 346 tx_params = (struct skb_info *)info->driver_data; 347 header_size = tx_params->internal_hdr_size; 348 349 if (tx_params->flags & INTERNAL_MGMT_PKT) { 350 status = adapter->host_intf_ops->write_pkt(common->priv, 351 (u8 *)skb->data, 352 skb->len); 353 if (status) { 354 rsi_dbg(ERR_ZONE, 355 "%s: Failed to write the packet\n", __func__); 356 } 357 dev_kfree_skb(skb); 358 return status; 359 } 360 361 bss = &info->control.vif->bss_conf; 362 wh = (struct ieee80211_hdr *)&skb->data[header_size]; 363 mgmt_desc = (struct rsi_mgmt_desc *)skb->data; 364 xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; 365 366 /* Indicate to firmware to give cfm for probe */ 367 if (ieee80211_is_probe_req(wh->frame_control) && !bss->assoc) { 368 rsi_dbg(INFO_ZONE, 369 "%s: blocking mgmt queue\n", __func__); 370 mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST; 371 xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM; 372 common->mgmt_q_block = true; 373 rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n"); 374 } 375 376 status = rsi_send_pkt_to_bus(common, skb); 377 if (status) 378 rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); 379 380 rsi_indicate_tx_status(common->priv, skb, status); 381 return status; 382 } 383 384 int rsi_send_bt_pkt(struct rsi_common *common, struct sk_buff *skb) 385 { 386 int status = -EINVAL; 387 u8 header_size = 0; 388 struct rsi_bt_desc *bt_desc; 389 u8 queueno = ((skb->data[1] >> 4) & 0xf); 390 391 if (queueno == RSI_BT_MGMT_Q) { 392 status = rsi_send_pkt_to_bus(common, skb); 393 if (status) 394 rsi_dbg(ERR_ZONE, "%s: Failed to write bt mgmt pkt\n", 395 __func__); 396 goto out; 397 } 398 header_size = FRAME_DESC_SZ; 399 if (header_size > skb_headroom(skb)) { 400 rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); 401 status = -ENOSPC; 402 goto out; 403 } 404 skb_push(skb, header_size); 405 memset(skb->data, 0, header_size); 406 bt_desc = (struct rsi_bt_desc *)skb->data; 407 408 rsi_set_len_qno(&bt_desc->len_qno, (skb->len - FRAME_DESC_SZ), 409 RSI_BT_DATA_Q); 410 bt_desc->bt_pkt_type = cpu_to_le16(bt_cb(skb)->pkt_type); 411 412 status = rsi_send_pkt_to_bus(common, skb); 413 if (status) 414 rsi_dbg(ERR_ZONE, "%s: Failed to write bt pkt\n", __func__); 415 416 out: 417 dev_kfree_skb(skb); 418 return status; 419 } 420 421 int rsi_prepare_beacon(struct rsi_common *common, struct sk_buff *skb) 422 { 423 struct rsi_hw *adapter = (struct rsi_hw *)common->priv; 424 struct rsi_data_desc *bcn_frm; 425 struct ieee80211_hw *hw = common->priv->hw; 426 struct ieee80211_conf *conf = &hw->conf; 427 struct ieee80211_vif *vif; 428 struct sk_buff *mac_bcn; 429 u8 vap_id = 0, i; 430 u16 tim_offset = 0; 431 432 for (i = 0; i < RSI_MAX_VIFS; i++) { 433 vif = adapter->vifs[i]; 434 if (!vif) 435 continue; 436 if ((vif->type == NL80211_IFTYPE_AP) || 437 (vif->type == NL80211_IFTYPE_P2P_GO)) 438 break; 439 } 440 if (!vif) 441 return -EINVAL; 442 mac_bcn = ieee80211_beacon_get_tim(adapter->hw, 443 vif, 444 &tim_offset, NULL); 445 if (!mac_bcn) { 446 rsi_dbg(ERR_ZONE, "Failed to get beacon from mac80211\n"); 447 return -EINVAL; 448 } 449 450 common->beacon_cnt++; 451 bcn_frm = (struct rsi_data_desc *)skb->data; 452 rsi_set_len_qno(&bcn_frm->len_qno, mac_bcn->len, RSI_WIFI_DATA_Q); 453 bcn_frm->header_len = MIN_802_11_HDR_LEN; 454 bcn_frm->frame_info = cpu_to_le16(RSI_DATA_DESC_MAC_BBP_INFO | 455 RSI_DATA_DESC_NO_ACK_IND | 456 RSI_DATA_DESC_BEACON_FRAME | 457 RSI_DATA_DESC_INSERT_TSF | 458 RSI_DATA_DESC_INSERT_SEQ_NO | 459 RATE_INFO_ENABLE); 460 bcn_frm->rate_info = cpu_to_le16(vap_id << 14); 461 bcn_frm->qid_tid = BEACON_HW_Q; 462 463 if (conf_is_ht40_plus(conf)) { 464 bcn_frm->bbp_info = cpu_to_le16(LOWER_20_ENABLE); 465 bcn_frm->bbp_info |= cpu_to_le16(LOWER_20_ENABLE >> 12); 466 } else if (conf_is_ht40_minus(conf)) { 467 bcn_frm->bbp_info = cpu_to_le16(UPPER_20_ENABLE); 468 bcn_frm->bbp_info |= cpu_to_le16(UPPER_20_ENABLE >> 12); 469 } 470 471 if (common->band == NL80211_BAND_2GHZ) 472 bcn_frm->bbp_info |= cpu_to_le16(RSI_RATE_1); 473 else 474 bcn_frm->bbp_info |= cpu_to_le16(RSI_RATE_6); 475 476 if (mac_bcn->data[tim_offset + 2] == 0) 477 bcn_frm->frame_info |= cpu_to_le16(RSI_DATA_DESC_DTIM_BEACON); 478 479 memcpy(&skb->data[FRAME_DESC_SZ], mac_bcn->data, mac_bcn->len); 480 skb_put(skb, mac_bcn->len + FRAME_DESC_SZ); 481 482 dev_kfree_skb(mac_bcn); 483 484 return 0; 485 } 486 487 static void bl_cmd_timeout(struct timer_list *t) 488 { 489 struct rsi_hw *adapter = from_timer(adapter, t, bl_cmd_timer); 490 491 adapter->blcmd_timer_expired = true; 492 del_timer(&adapter->bl_cmd_timer); 493 } 494 495 static int bl_start_cmd_timer(struct rsi_hw *adapter, u32 timeout) 496 { 497 timer_setup(&adapter->bl_cmd_timer, bl_cmd_timeout, 0); 498 adapter->bl_cmd_timer.expires = (msecs_to_jiffies(timeout) + jiffies); 499 500 adapter->blcmd_timer_expired = false; 501 add_timer(&adapter->bl_cmd_timer); 502 503 return 0; 504 } 505 506 static int bl_stop_cmd_timer(struct rsi_hw *adapter) 507 { 508 adapter->blcmd_timer_expired = false; 509 if (timer_pending(&adapter->bl_cmd_timer)) 510 del_timer(&adapter->bl_cmd_timer); 511 512 return 0; 513 } 514 515 static int bl_write_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, 516 u16 *cmd_resp) 517 { 518 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 519 u32 regin_val = 0, regout_val = 0; 520 u32 regin_input = 0; 521 u8 output = 0; 522 int status; 523 524 regin_input = (REGIN_INPUT | adapter->priv->coex_mode); 525 526 while (!adapter->blcmd_timer_expired) { 527 regin_val = 0; 528 status = hif_ops->master_reg_read(adapter, SWBL_REGIN, 529 ®in_val, 2); 530 if (status < 0) { 531 rsi_dbg(ERR_ZONE, 532 "%s: Command %0x REGIN reading failed..\n", 533 __func__, cmd); 534 return status; 535 } 536 mdelay(1); 537 if ((regin_val >> 12) != REGIN_VALID) 538 break; 539 } 540 if (adapter->blcmd_timer_expired) { 541 rsi_dbg(ERR_ZONE, 542 "%s: Command %0x REGIN reading timed out..\n", 543 __func__, cmd); 544 return -ETIMEDOUT; 545 } 546 547 rsi_dbg(INFO_ZONE, 548 "Issuing write to Regin val:%0x sending cmd:%0x\n", 549 regin_val, (cmd | regin_input << 8)); 550 status = hif_ops->master_reg_write(adapter, SWBL_REGIN, 551 (cmd | regin_input << 8), 2); 552 if (status < 0) 553 return status; 554 mdelay(1); 555 556 if (cmd == LOAD_HOSTED_FW || cmd == JUMP_TO_ZERO_PC) { 557 /* JUMP_TO_ZERO_PC doesn't expect 558 * any response. So return from here 559 */ 560 return 0; 561 } 562 563 while (!adapter->blcmd_timer_expired) { 564 regout_val = 0; 565 status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, 566 ®out_val, 2); 567 if (status < 0) { 568 rsi_dbg(ERR_ZONE, 569 "%s: Command %0x REGOUT reading failed..\n", 570 __func__, cmd); 571 return status; 572 } 573 mdelay(1); 574 if ((regout_val >> 8) == REGOUT_VALID) 575 break; 576 } 577 if (adapter->blcmd_timer_expired) { 578 rsi_dbg(ERR_ZONE, 579 "%s: Command %0x REGOUT reading timed out..\n", 580 __func__, cmd); 581 return status; 582 } 583 584 *cmd_resp = ((u16 *)®out_val)[0] & 0xffff; 585 586 output = ((u8 *)®out_val)[0] & 0xff; 587 588 status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, 589 (cmd | REGOUT_INVALID << 8), 2); 590 if (status < 0) { 591 rsi_dbg(ERR_ZONE, 592 "%s: Command %0x REGOUT writing failed..\n", 593 __func__, cmd); 594 return status; 595 } 596 mdelay(1); 597 598 if (output != exp_resp) { 599 rsi_dbg(ERR_ZONE, 600 "%s: Recvd resp %x for cmd %0x\n", 601 __func__, output, cmd); 602 return -EINVAL; 603 } 604 rsi_dbg(INFO_ZONE, 605 "%s: Recvd Expected resp %x for cmd %0x\n", 606 __func__, output, cmd); 607 608 return 0; 609 } 610 611 static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str) 612 { 613 u16 regout_val = 0; 614 u32 timeout; 615 int status; 616 617 if ((cmd == EOF_REACHED) || (cmd == PING_VALID) || (cmd == PONG_VALID)) 618 timeout = BL_BURN_TIMEOUT; 619 else 620 timeout = BL_CMD_TIMEOUT; 621 622 bl_start_cmd_timer(adapter, timeout); 623 status = bl_write_cmd(adapter, cmd, exp_resp, ®out_val); 624 if (status < 0) { 625 rsi_dbg(ERR_ZONE, 626 "%s: Command %s (%0x) writing failed..\n", 627 __func__, str, cmd); 628 return status; 629 } 630 bl_stop_cmd_timer(adapter); 631 return 0; 632 } 633 634 #define CHECK_SUM_OFFSET 20 635 #define LEN_OFFSET 8 636 #define ADDR_OFFSET 16 637 static int bl_write_header(struct rsi_hw *adapter, u8 *flash_content, 638 u32 content_size) 639 { 640 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 641 struct bl_header *bl_hdr; 642 u32 write_addr, write_len; 643 int status; 644 645 bl_hdr = kzalloc(sizeof(*bl_hdr), GFP_KERNEL); 646 if (!bl_hdr) 647 return -ENOMEM; 648 649 bl_hdr->flags = 0; 650 bl_hdr->image_no = cpu_to_le32(adapter->priv->coex_mode); 651 bl_hdr->check_sum = 652 cpu_to_le32(*(u32 *)&flash_content[CHECK_SUM_OFFSET]); 653 bl_hdr->flash_start_address = 654 cpu_to_le32(*(u32 *)&flash_content[ADDR_OFFSET]); 655 bl_hdr->flash_len = cpu_to_le32(*(u32 *)&flash_content[LEN_OFFSET]); 656 write_len = sizeof(struct bl_header); 657 658 if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { 659 write_addr = PING_BUFFER_ADDRESS; 660 status = hif_ops->write_reg_multiple(adapter, write_addr, 661 (u8 *)bl_hdr, write_len); 662 if (status < 0) { 663 rsi_dbg(ERR_ZONE, 664 "%s: Failed to load Version/CRC structure\n", 665 __func__); 666 goto fail; 667 } 668 } else { 669 write_addr = PING_BUFFER_ADDRESS >> 16; 670 status = hif_ops->master_access_msword(adapter, write_addr); 671 if (status < 0) { 672 rsi_dbg(ERR_ZONE, 673 "%s: Unable to set ms word to common reg\n", 674 __func__); 675 goto fail; 676 } 677 write_addr = RSI_SD_REQUEST_MASTER | 678 (PING_BUFFER_ADDRESS & 0xFFFF); 679 status = hif_ops->write_reg_multiple(adapter, write_addr, 680 (u8 *)bl_hdr, write_len); 681 if (status < 0) { 682 rsi_dbg(ERR_ZONE, 683 "%s: Failed to load Version/CRC structure\n", 684 __func__); 685 goto fail; 686 } 687 } 688 status = 0; 689 fail: 690 kfree(bl_hdr); 691 return status; 692 } 693 694 static u32 read_flash_capacity(struct rsi_hw *adapter) 695 { 696 u32 flash_sz = 0; 697 698 if ((adapter->host_intf_ops->master_reg_read(adapter, FLASH_SIZE_ADDR, 699 &flash_sz, 2)) < 0) { 700 rsi_dbg(ERR_ZONE, 701 "%s: Flash size reading failed..\n", 702 __func__); 703 return 0; 704 } 705 rsi_dbg(INIT_ZONE, "Flash capacity: %d KiloBytes\n", flash_sz); 706 707 return (flash_sz * 1024); /* Return size in kbytes */ 708 } 709 710 static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size) 711 { 712 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 713 u32 block_size = adapter->block_size; 714 u32 cmd_addr; 715 u16 cmd_resp, cmd_req; 716 u8 *str; 717 int status; 718 719 if (cmd == PING_WRITE) { 720 cmd_addr = PING_BUFFER_ADDRESS; 721 cmd_resp = PONG_AVAIL; 722 cmd_req = PING_VALID; 723 str = "PING_VALID"; 724 } else { 725 cmd_addr = PONG_BUFFER_ADDRESS; 726 cmd_resp = PING_AVAIL; 727 cmd_req = PONG_VALID; 728 str = "PONG_VALID"; 729 } 730 731 status = hif_ops->load_data_master_write(adapter, cmd_addr, size, 732 block_size, addr); 733 if (status) { 734 rsi_dbg(ERR_ZONE, "%s: Unable to write blk at addr %0x\n", 735 __func__, *addr); 736 return status; 737 } 738 739 status = bl_cmd(adapter, cmd_req, cmd_resp, str); 740 if (status) { 741 bl_stop_cmd_timer(adapter); 742 return status; 743 } 744 return 0; 745 } 746 747 static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content, 748 u32 content_size) 749 { 750 u8 cmd; 751 u32 temp_content_size, num_flash, index; 752 u32 flash_start_address; 753 int status; 754 755 if (content_size > MAX_FLASH_FILE_SIZE) { 756 rsi_dbg(ERR_ZONE, 757 "%s: Flash Content size is more than 400K %u\n", 758 __func__, MAX_FLASH_FILE_SIZE); 759 return -EINVAL; 760 } 761 762 flash_start_address = *(u32 *)&flash_content[FLASH_START_ADDRESS]; 763 rsi_dbg(INFO_ZONE, "flash start address: %08x\n", flash_start_address); 764 765 if (flash_start_address < FW_IMAGE_MIN_ADDRESS) { 766 rsi_dbg(ERR_ZONE, 767 "%s: Fw image Flash Start Address is less than 64K\n", 768 __func__); 769 return -EINVAL; 770 } 771 772 if (flash_start_address % FLASH_SECTOR_SIZE) { 773 rsi_dbg(ERR_ZONE, 774 "%s: Flash Start Address is not multiple of 4K\n", 775 __func__); 776 return -EINVAL; 777 } 778 779 if ((flash_start_address + content_size) > adapter->flash_capacity) { 780 rsi_dbg(ERR_ZONE, 781 "%s: Flash Content will cross max flash size\n", 782 __func__); 783 return -EINVAL; 784 } 785 786 temp_content_size = content_size; 787 num_flash = content_size / FLASH_WRITE_CHUNK_SIZE; 788 789 rsi_dbg(INFO_ZONE, "content_size: %d, num_flash: %d\n", 790 content_size, num_flash); 791 792 for (index = 0; index <= num_flash; index++) { 793 rsi_dbg(INFO_ZONE, "flash index: %d\n", index); 794 if (index != num_flash) { 795 content_size = FLASH_WRITE_CHUNK_SIZE; 796 rsi_dbg(INFO_ZONE, "QSPI content_size:%d\n", 797 content_size); 798 } else { 799 content_size = 800 temp_content_size % FLASH_WRITE_CHUNK_SIZE; 801 rsi_dbg(INFO_ZONE, 802 "Writing last sector content_size:%d\n", 803 content_size); 804 if (!content_size) { 805 rsi_dbg(INFO_ZONE, "instruction size zero\n"); 806 break; 807 } 808 } 809 810 if (index % 2) 811 cmd = PING_WRITE; 812 else 813 cmd = PONG_WRITE; 814 815 status = ping_pong_write(adapter, cmd, flash_content, 816 content_size); 817 if (status) { 818 rsi_dbg(ERR_ZONE, "%s: Unable to load %d block\n", 819 __func__, index); 820 return status; 821 } 822 823 rsi_dbg(INFO_ZONE, 824 "%s: Successfully loaded %d instructions\n", 825 __func__, index); 826 flash_content += content_size; 827 } 828 829 status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL, 830 "EOF_REACHED"); 831 if (status) { 832 bl_stop_cmd_timer(adapter); 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 rsi_dbg(ERR_ZONE, 853 "%s: REGOUT read failed\n", __func__); 854 return status; 855 } 856 mdelay(1); 857 if ((regout_val >> 8) == REGOUT_VALID) 858 break; 859 } 860 if (adapter->blcmd_timer_expired) { 861 rsi_dbg(ERR_ZONE, "%s: REGOUT read timedout\n", __func__); 862 rsi_dbg(ERR_ZONE, 863 "%s: Soft boot loader not present\n", __func__); 864 return -ETIMEDOUT; 865 } 866 bl_stop_cmd_timer(adapter); 867 868 rsi_dbg(INFO_ZONE, "Received Board Version Number: %x\n", 869 (regout_val & 0xff)); 870 871 status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, 872 (REGOUT_INVALID | 873 REGOUT_INVALID << 8), 874 RSI_COMMON_REG_SIZE); 875 if (status < 0) 876 rsi_dbg(ERR_ZONE, "%s: REGOUT writing failed..\n", __func__); 877 else 878 rsi_dbg(INFO_ZONE, 879 "===> Device is ready to load firmware <===\n"); 880 881 return status; 882 } 883 884 static int rsi_load_9113_firmware(struct rsi_hw *adapter) 885 { 886 struct rsi_common *common = adapter->priv; 887 const struct firmware *fw_entry = NULL; 888 u32 content_size; 889 u16 tmp_regout_val = 0; 890 struct ta_metadata *metadata_p; 891 int status; 892 893 status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, 894 "AUTO_READ_CMD"); 895 if (status < 0) 896 return status; 897 898 adapter->flash_capacity = read_flash_capacity(adapter); 899 if (adapter->flash_capacity <= 0) { 900 rsi_dbg(ERR_ZONE, 901 "%s: Unable to read flash size from EEPROM\n", 902 __func__); 903 return -EINVAL; 904 } 905 906 metadata_p = &metadata_flash_content[adapter->priv->coex_mode]; 907 908 rsi_dbg(INIT_ZONE, "%s: Loading file %s\n", __func__, metadata_p->name); 909 adapter->fw_file_name = metadata_p->name; 910 911 status = request_firmware(&fw_entry, metadata_p->name, adapter->device); 912 if (status < 0) { 913 rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", 914 __func__, metadata_p->name); 915 return status; 916 } 917 content_size = fw_entry->size; 918 rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size); 919 920 /* Get the firmware version */ 921 common->lmac_ver.ver.info.fw_ver[0] = 922 fw_entry->data[LMAC_VER_OFFSET_9113] & 0xFF; 923 common->lmac_ver.ver.info.fw_ver[1] = 924 fw_entry->data[LMAC_VER_OFFSET_9113 + 1] & 0xFF; 925 common->lmac_ver.major = 926 fw_entry->data[LMAC_VER_OFFSET_9113 + 2] & 0xFF; 927 common->lmac_ver.release_num = 928 fw_entry->data[LMAC_VER_OFFSET_9113 + 3] & 0xFF; 929 common->lmac_ver.minor = 930 fw_entry->data[LMAC_VER_OFFSET_9113 + 4] & 0xFF; 931 common->lmac_ver.patch_num = 0; 932 rsi_print_version(common); 933 934 status = bl_write_header(adapter, (u8 *)fw_entry->data, content_size); 935 if (status) { 936 rsi_dbg(ERR_ZONE, 937 "%s: RPS Image header loading failed\n", 938 __func__); 939 goto fail; 940 } 941 942 bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); 943 status = bl_write_cmd(adapter, CHECK_CRC, CMD_PASS, &tmp_regout_val); 944 if (status) { 945 bl_stop_cmd_timer(adapter); 946 rsi_dbg(ERR_ZONE, 947 "%s: CHECK_CRC Command writing failed..\n", 948 __func__); 949 if ((tmp_regout_val & 0xff) == CMD_FAIL) { 950 rsi_dbg(ERR_ZONE, 951 "CRC Fail.. Proceeding to Upgrade mode\n"); 952 goto fw_upgrade; 953 } 954 } 955 bl_stop_cmd_timer(adapter); 956 957 status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, "POLLING_MODE"); 958 if (status) 959 goto fail; 960 961 load_image_cmd: 962 status = bl_cmd(adapter, LOAD_HOSTED_FW, LOADING_INITIATED, 963 "LOAD_HOSTED_FW"); 964 if (status) 965 goto fail; 966 rsi_dbg(INFO_ZONE, "Load Image command passed..\n"); 967 goto success; 968 969 fw_upgrade: 970 status = bl_cmd(adapter, BURN_HOSTED_FW, SEND_RPS_FILE, "FW_UPGRADE"); 971 if (status) 972 goto fail; 973 974 rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n"); 975 976 status = auto_fw_upgrade(adapter, (u8 *)fw_entry->data, content_size); 977 if (status == 0) { 978 rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n"); 979 goto load_image_cmd; 980 } 981 rsi_dbg(ERR_ZONE, "Firmware upgrade failed\n"); 982 983 status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, 984 "AUTO_READ_MODE"); 985 if (status) 986 goto fail; 987 988 success: 989 rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n"); 990 release_firmware(fw_entry); 991 return 0; 992 993 fail: 994 rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n"); 995 release_firmware(fw_entry); 996 return status; 997 } 998 999 static int rsi_load_9116_firmware(struct rsi_hw *adapter) 1000 { 1001 struct rsi_common *common = adapter->priv; 1002 struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; 1003 const struct firmware *fw_entry; 1004 struct ta_metadata *metadata_p; 1005 u8 *ta_firmware, *fw_p; 1006 struct bootload_ds bootload_ds; 1007 u32 instructions_sz, base_address; 1008 u16 block_size = adapter->block_size; 1009 u32 dest, len; 1010 int status, cnt; 1011 1012 rsi_dbg(INIT_ZONE, "***** Load 9116 TA Instructions *****\n"); 1013 1014 if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { 1015 status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, 1016 "POLLING_MODE"); 1017 if (status < 0) 1018 return status; 1019 } 1020 1021 status = hif_ops->master_reg_write(adapter, MEM_ACCESS_CTRL_FROM_HOST, 1022 RAM_384K_ACCESS_FROM_TA, 1023 RSI_9116_REG_SIZE); 1024 if (status < 0) { 1025 rsi_dbg(ERR_ZONE, "%s: Unable to access full RAM memory\n", 1026 __func__); 1027 return status; 1028 } 1029 1030 metadata_p = &metadata[adapter->priv->coex_mode]; 1031 rsi_dbg(INIT_ZONE, "%s: loading file %s\n", __func__, metadata_p->name); 1032 status = request_firmware(&fw_entry, metadata_p->name, adapter->device); 1033 if (status < 0) { 1034 rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", 1035 __func__, metadata_p->name); 1036 return status; 1037 } 1038 1039 ta_firmware = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); 1040 if (!ta_firmware) 1041 goto fail_release_fw; 1042 fw_p = ta_firmware; 1043 instructions_sz = fw_entry->size; 1044 rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", instructions_sz); 1045 1046 common->lmac_ver.major = ta_firmware[LMAC_VER_OFFSET_9116]; 1047 common->lmac_ver.minor = ta_firmware[LMAC_VER_OFFSET_9116 + 1]; 1048 common->lmac_ver.release_num = ta_firmware[LMAC_VER_OFFSET_9116 + 2]; 1049 common->lmac_ver.patch_num = ta_firmware[LMAC_VER_OFFSET_9116 + 3]; 1050 common->lmac_ver.ver.info.fw_ver[0] = 1051 ta_firmware[LMAC_VER_OFFSET_9116 + 4]; 1052 1053 if (instructions_sz % FW_ALIGN_SIZE) 1054 instructions_sz += 1055 (FW_ALIGN_SIZE - (instructions_sz % FW_ALIGN_SIZE)); 1056 rsi_dbg(INFO_ZONE, "instructions_sz : %d\n", instructions_sz); 1057 1058 if (*(u16 *)fw_p == RSI_9116_FW_MAGIC_WORD) { 1059 memcpy(&bootload_ds, fw_p, sizeof(struct bootload_ds)); 1060 fw_p += le16_to_cpu(bootload_ds.offset); 1061 rsi_dbg(INFO_ZONE, "FW start = %x\n", *(u32 *)fw_p); 1062 1063 cnt = 0; 1064 do { 1065 rsi_dbg(ERR_ZONE, "%s: Loading chunk %d\n", 1066 __func__, cnt); 1067 1068 dest = le32_to_cpu(bootload_ds.bl_entry[cnt].dst_addr); 1069 len = le32_to_cpu(bootload_ds.bl_entry[cnt].control) & 1070 RSI_BL_CTRL_LEN_MASK; 1071 rsi_dbg(INFO_ZONE, "length %d destination %x\n", 1072 len, dest); 1073 1074 status = hif_ops->load_data_master_write(adapter, dest, 1075 len, 1076 block_size, 1077 fw_p); 1078 if (status < 0) { 1079 rsi_dbg(ERR_ZONE, 1080 "Failed to load chunk %d\n", cnt); 1081 break; 1082 } 1083 fw_p += len; 1084 if (le32_to_cpu(bootload_ds.bl_entry[cnt].control) & 1085 RSI_BL_CTRL_LAST_ENTRY) 1086 break; 1087 cnt++; 1088 } while (1); 1089 } else { 1090 base_address = metadata_p->address; 1091 status = hif_ops->load_data_master_write(adapter, 1092 base_address, 1093 instructions_sz, 1094 block_size, 1095 ta_firmware); 1096 } 1097 if (status) { 1098 rsi_dbg(ERR_ZONE, 1099 "%s: Unable to load %s blk\n", 1100 __func__, metadata_p->name); 1101 goto fail_free_fw; 1102 } 1103 1104 rsi_dbg(INIT_ZONE, "%s: Successfully loaded %s instructions\n", 1105 __func__, metadata_p->name); 1106 1107 if (adapter->rsi_host_intf == RSI_HOST_INTF_SDIO) { 1108 if (hif_ops->ta_reset(adapter)) 1109 rsi_dbg(ERR_ZONE, "Unable to put ta in reset\n"); 1110 } else { 1111 if (bl_cmd(adapter, JUMP_TO_ZERO_PC, 1112 CMD_PASS, "JUMP_TO_ZERO") < 0) 1113 rsi_dbg(INFO_ZONE, "Jump to zero command failed\n"); 1114 else 1115 rsi_dbg(INFO_ZONE, "Jump to zero command successful\n"); 1116 } 1117 1118 fail_free_fw: 1119 kfree(ta_firmware); 1120 fail_release_fw: 1121 release_firmware(fw_entry); 1122 1123 return status; 1124 } 1125 1126 int rsi_hal_device_init(struct rsi_hw *adapter) 1127 { 1128 struct rsi_common *common = adapter->priv; 1129 int status; 1130 1131 switch (adapter->device_model) { 1132 case RSI_DEV_9113: 1133 status = rsi_hal_prepare_fwload(adapter); 1134 if (status < 0) 1135 return status; 1136 if (rsi_load_9113_firmware(adapter)) { 1137 rsi_dbg(ERR_ZONE, 1138 "%s: Failed to load TA instructions\n", 1139 __func__); 1140 return -EINVAL; 1141 } 1142 break; 1143 case RSI_DEV_9116: 1144 status = rsi_hal_prepare_fwload(adapter); 1145 if (status < 0) 1146 return status; 1147 if (rsi_load_9116_firmware(adapter)) { 1148 rsi_dbg(ERR_ZONE, 1149 "%s: Failed to load firmware to 9116 device\n", 1150 __func__); 1151 return -EINVAL; 1152 } 1153 break; 1154 default: 1155 return -EINVAL; 1156 } 1157 common->fsm_state = FSM_CARD_NOT_READY; 1158 1159 return 0; 1160 } 1161 EXPORT_SYMBOL_GPL(rsi_hal_device_init); 1162 1163