Lines Matching +full:wifi +full:- +full:firmware
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2011-2020 NXP
9 #include <linux/firmware.h>
183 if (!of_match_node(mwifiex_pcie_of_match_table, dev->of_node)) {
185 return -EINVAL;
199 struct pcie_service_card *card = adapter->card;
202 mapping.addr = dma_map_single(&card->dev->dev, skb->data, size, flags);
203 if (dma_mapping_error(&card->dev->dev, mapping.addr)) {
205 return -1;
215 struct pcie_service_card *card = adapter->card;
219 dma_unmap_single(&card->dev->dev, mapping.addr, mapping.len, flags);
228 struct pcie_service_card *card = adapter->card;
230 iowrite32(data, card->pci_mmap1 + reg);
233 /* Non-void wrapper needed for read_poll_timeout(). */
245 struct pcie_service_card *card = adapter->card;
247 *data = ioread32(card->pci_mmap1 + reg);
258 struct pcie_service_card *card = adapter->card;
260 *data = ioread8(card->pci_mmap1 + reg);
271 struct pcie_service_card *card = adapter->card;
272 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
274 if (!reg->sleep_cookie)
277 if (card->sleep_cookie_vbase) {
278 cookie_value = get_unaligned_le32(card->sleep_cookie_vbase);
296 * sleep activate request to the firmware and turns off the traffic.
304 /* Might still be loading firmware */
305 wait_for_completion(&card->fw_done);
307 adapter = card->adapter;
319 clear_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags);
321 return -EFAULT;
324 flush_workqueue(adapter->workqueue);
327 set_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags);
328 clear_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags);
339 * sends a host sleep cancel request to the firmware.
347 if (!card->adapter) {
352 adapter = card->adapter;
354 if (!test_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags)) {
360 clear_bit(MWIFIEX_IS_SUSPENDED, &adapter->work_flags);
383 pdev->vendor, pdev->device, pdev->revision);
385 card = devm_kzalloc(&pdev->dev, sizeof(*card), GFP_KERNEL);
387 return -ENOMEM;
389 init_completion(&card->fw_done);
391 card->dev = pdev;
393 if (ent->driver_data) {
394 struct mwifiex_pcie_device *data = (void *)ent->driver_data;
395 card->pcie.reg = data->reg;
396 card->pcie.blksz_fw_dl = data->blksz_fw_dl;
397 card->pcie.tx_buf_size = data->tx_buf_size;
398 card->pcie.can_dump_fw = data->can_dump_fw;
399 card->pcie.mem_type_mapping_tbl = data->mem_type_mapping_tbl;
400 card->pcie.num_mem_types = data->num_mem_types;
401 card->pcie.can_ext_scan = data->can_ext_scan;
402 INIT_WORK(&card->work, mwifiex_pcie_work);
406 if (pdev->dev.of_node) {
407 ret = mwifiex_pcie_probe_of(&pdev->dev);
415 if (mwifiex_add_card(card, &card->fw_done, &pcie_ops,
416 MWIFIEX_PCIE, &pdev->dev)) {
418 return -1;
437 wait_for_completion(&card->fw_done);
439 adapter = card->adapter;
440 if (!adapter || !adapter->priv_num)
443 reg = card->pcie.reg;
445 mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
447 fw_status = -1;
449 if (fw_status == FIRMWARE_READY_PCIE && !adapter->mfg_mode) {
478 &card->work_flags))
479 schedule_work(&card->work);
514 struct mwifiex_adapter *adapter = card->adapter;
517 dev_err(&pdev->dev, "%s: adapter structure is not valid\n",
523 "%s: vendor=0x%4.04x device=0x%4.04x rev=%d Pre-FLR\n",
524 __func__, pdev->vendor, pdev->device, pdev->revision);
527 clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
528 clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
531 * hangups, so we power-cycle the card instead.
533 if (card->quirks & QUIRK_FW_RST_D3COLD)
538 card->pci_reset_ongoing = true;
543 * FLR respectively. Reconfigure the software and firmware including firmware
549 struct mwifiex_adapter *adapter = card->adapter;
553 dev_err(&pdev->dev, "%s: adapter structure is not valid\n",
559 "%s: vendor=0x%4.04x device=0x%4.04x rev=%d Post-FLR\n",
560 __func__, pdev->vendor, pdev->device, pdev->revision);
564 dev_err(&pdev->dev, "reinit failed: %d\n", ret);
568 card->pci_reset_ongoing = false;
619 struct pcie_service_card *card = adapter->card;
622 struct sk_buff *cmdrsp = card->cmdrsp_buf;
625 dma_sync_single_for_cpu(&card->dev->dev,
628 buffer = cmdrsp->data;
636 dma_sync_single_for_device(&card->dev->dev,
654 struct pcie_service_card *card = adapter->card;
655 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
661 if (reg->sleep_cookie)
664 /* The 88W8897 PCIe+USB firmware (latest version 15.68.19.p21) sometimes
669 READ_ONCE(adapter->int_status) != 0,
672 adapter, reg->fw_status, FIRMWARE_READY_PCIE)) {
674 READ_ONCE(adapter->int_status) != 0,
677 adapter, reg->fw_status, FIRMWARE_READY_PCIE)) {
679 "Firmware didn't wake up\n");
680 return -EIO;
684 if (reg->sleep_cookie) {
688 adapter->ps_state = PS_STATE_AWAKE;
718 atomic_set(&adapter->tx_hw_pending, 0);
741 struct pcie_service_card *card = adapter->card;
742 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
748 card->tx_buf_list[i] = NULL;
749 if (reg->pfu_enabled) {
750 card->txbd_ring[i] = (void *)card->txbd_ring_vbase +
752 desc2 = card->txbd_ring[i];
755 card->txbd_ring[i] = (void *)card->txbd_ring_vbase +
757 desc = card->txbd_ring[i];
771 struct pcie_service_card *card = adapter->card;
772 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
780 /* Allocate skb here so that firmware can DMA data from it */
786 return -ENOMEM;
793 return -ENOMEM;
800 skb, skb->len, skb->data, (u32)buf_pa,
803 card->rx_buf_list[i] = skb;
804 if (reg->pfu_enabled) {
805 card->rxbd_ring[i] = (void *)card->rxbd_ring_vbase +
807 desc2 = card->rxbd_ring[i];
808 desc2->paddr = buf_pa;
809 desc2->len = (u16)skb->len;
810 desc2->frag_len = (u16)skb->len;
811 desc2->flags = reg->ring_flag_eop | reg->ring_flag_sop;
812 desc2->offset = 0;
814 card->rxbd_ring[i] = (void *)(card->rxbd_ring_vbase +
816 desc = card->rxbd_ring[i];
817 desc->paddr = buf_pa;
818 desc->len = (u16)skb->len;
819 desc->flags = 0;
832 struct pcie_service_card *card = adapter->card;
839 /* Allocate skb here so that firmware can DMA data from it */
844 return -ENOMEM;
851 return -ENOMEM;
858 skb, skb->len, skb->data, (u32)buf_pa,
861 card->evt_buf_list[i] = skb;
862 card->evtbd_ring[i] = (void *)(card->evtbd_ring_vbase +
864 desc = card->evtbd_ring[i];
865 desc->paddr = buf_pa;
866 desc->len = (u16)skb->len;
867 desc->flags = 0;
878 struct pcie_service_card *card = adapter->card;
879 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
886 if (reg->pfu_enabled) {
887 desc2 = card->txbd_ring[i];
888 if (card->tx_buf_list[i]) {
889 skb = card->tx_buf_list[i];
896 desc = card->txbd_ring[i];
897 if (card->tx_buf_list[i]) {
898 skb = card->tx_buf_list[i];
905 card->tx_buf_list[i] = NULL;
908 atomic_set(&adapter->tx_hw_pending, 0);
917 struct pcie_service_card *card = adapter->card;
918 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
925 if (reg->pfu_enabled) {
926 desc2 = card->rxbd_ring[i];
927 if (card->rx_buf_list[i]) {
928 skb = card->rx_buf_list[i];
935 desc = card->rxbd_ring[i];
936 if (card->rx_buf_list[i]) {
937 skb = card->rx_buf_list[i];
944 card->rx_buf_list[i] = NULL;
955 struct pcie_service_card *card = adapter->card;
961 desc = card->evtbd_ring[i];
962 if (card->evt_buf_list[i]) {
963 skb = card->evt_buf_list[i];
968 card->evt_buf_list[i] = NULL;
979 struct pcie_service_card *card = adapter->card;
980 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
983 * driver maintaines the write pointer and firmware maintaines the read
987 card->txbd_wrptr = 0;
989 if (reg->pfu_enabled)
990 card->txbd_rdptr = 0;
992 card->txbd_rdptr |= reg->tx_rollover_ind;
996 if (reg->pfu_enabled)
997 card->txbd_ring_size = sizeof(struct mwifiex_pfu_buf_desc) *
1000 card->txbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
1005 card->txbd_ring_size);
1006 card->txbd_ring_vbase = dma_alloc_coherent(&card->dev->dev,
1007 card->txbd_ring_size,
1008 &card->txbd_ring_pbase,
1010 if (!card->txbd_ring_vbase) {
1013 card->txbd_ring_size);
1014 return -ENOMEM;
1018 "info: txbd_ring - base: %p, pbase: %#x:%x, len: %#x\n",
1019 card->txbd_ring_vbase, (u32)card->txbd_ring_pbase,
1020 (u32)((u64)card->txbd_ring_pbase >> 32),
1021 card->txbd_ring_size);
1028 struct pcie_service_card *card = adapter->card;
1029 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1033 if (card->txbd_ring_vbase)
1034 dma_free_coherent(&card->dev->dev, card->txbd_ring_size,
1035 card->txbd_ring_vbase,
1036 card->txbd_ring_pbase);
1037 card->txbd_ring_size = 0;
1038 card->txbd_wrptr = 0;
1039 card->txbd_rdptr = 0 | reg->tx_rollover_ind;
1040 card->txbd_ring_vbase = NULL;
1041 card->txbd_ring_pbase = 0;
1052 struct pcie_service_card *card = adapter->card;
1053 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1056 * driver maintaines the read pointer and firmware maintaines the write
1060 card->rxbd_wrptr = 0;
1061 card->rxbd_rdptr = reg->rx_rollover_ind;
1063 if (reg->pfu_enabled)
1064 card->rxbd_ring_size = sizeof(struct mwifiex_pfu_buf_desc) *
1067 card->rxbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
1072 card->rxbd_ring_size);
1073 card->rxbd_ring_vbase = dma_alloc_coherent(&card->dev->dev,
1074 card->rxbd_ring_size,
1075 &card->rxbd_ring_pbase,
1077 if (!card->rxbd_ring_vbase) {
1080 card->rxbd_ring_size);
1081 return -ENOMEM;
1085 "info: rxbd_ring - base: %p, pbase: %#x:%x, len: %#x\n",
1086 card->rxbd_ring_vbase, (u32)card->rxbd_ring_pbase,
1087 (u32)((u64)card->rxbd_ring_pbase >> 32),
1088 card->rxbd_ring_size);
1101 struct pcie_service_card *card = adapter->card;
1102 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1106 if (card->rxbd_ring_vbase)
1107 dma_free_coherent(&card->dev->dev, card->rxbd_ring_size,
1108 card->rxbd_ring_vbase,
1109 card->rxbd_ring_pbase);
1110 card->rxbd_ring_size = 0;
1111 card->rxbd_wrptr = 0;
1112 card->rxbd_rdptr = 0 | reg->rx_rollover_ind;
1113 card->rxbd_ring_vbase = NULL;
1114 card->rxbd_ring_pbase = 0;
1125 struct pcie_service_card *card = adapter->card;
1126 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1129 * driver maintaines the read pointer and firmware maintaines the write
1133 card->evtbd_wrptr = 0;
1134 card->evtbd_rdptr = reg->evt_rollover_ind;
1136 card->evtbd_ring_size = sizeof(struct mwifiex_evt_buf_desc) *
1141 card->evtbd_ring_size);
1142 card->evtbd_ring_vbase = dma_alloc_coherent(&card->dev->dev,
1143 card->evtbd_ring_size,
1144 &card->evtbd_ring_pbase,
1146 if (!card->evtbd_ring_vbase) {
1149 card->evtbd_ring_size);
1150 return -ENOMEM;
1154 "info: CMDRSP/EVT bd_ring - base: %p pbase: %#x:%x len: %#x\n",
1155 card->evtbd_ring_vbase, (u32)card->evtbd_ring_pbase,
1156 (u32)((u64)card->evtbd_ring_pbase >> 32),
1157 card->evtbd_ring_size);
1170 struct pcie_service_card *card = adapter->card;
1171 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1175 if (card->evtbd_ring_vbase)
1176 dma_free_coherent(&card->dev->dev, card->evtbd_ring_size,
1177 card->evtbd_ring_vbase,
1178 card->evtbd_ring_pbase);
1179 card->evtbd_wrptr = 0;
1180 card->evtbd_rdptr = 0 | reg->evt_rollover_ind;
1181 card->evtbd_ring_size = 0;
1182 card->evtbd_ring_vbase = NULL;
1183 card->evtbd_ring_pbase = 0;
1193 struct pcie_service_card *card = adapter->card;
1201 return -ENOMEM;
1207 return -1;
1210 card->cmdrsp_buf = skb;
1225 card = adapter->card;
1227 if (card && card->cmdrsp_buf) {
1228 mwifiex_unmap_pci_memory(adapter, card->cmdrsp_buf,
1230 dev_kfree_skb_any(card->cmdrsp_buf);
1231 card->cmdrsp_buf = NULL;
1234 if (card && card->cmd_buf) {
1235 mwifiex_unmap_pci_memory(adapter, card->cmd_buf,
1237 dev_kfree_skb_any(card->cmd_buf);
1238 card->cmd_buf = NULL;
1248 struct pcie_service_card *card = adapter->card;
1251 card->sleep_cookie_vbase = dma_alloc_coherent(&card->dev->dev,
1253 &card->sleep_cookie_pbase,
1255 if (!card->sleep_cookie_vbase) {
1258 return -ENOMEM;
1260 cookie = (u32 *)card->sleep_cookie_vbase;
1279 card = adapter->card;
1281 if (card && card->sleep_cookie_vbase) {
1282 dma_free_coherent(&card->dev->dev, sizeof(u32),
1283 card->sleep_cookie_vbase,
1284 card->sleep_cookie_pbase);
1285 card->sleep_cookie_vbase = NULL;
1297 struct pcie_service_card *card = adapter->card;
1299 if (!mwifiex_pcie_txbd_empty(card, card->txbd_rdptr)) {
1300 card->txbd_flush = 1;
1302 * send dnld-rdy intr again, wait for completion.
1318 struct pcie_service_card *card = adapter->card;
1319 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1324 /* Read the TX ring read pointer set by firmware */
1325 if (mwifiex_read_reg(adapter, reg->tx_rdptr, &rdptr)) {
1327 "SEND COMP: failed to read reg->tx_rdptr\n");
1328 return -1;
1333 card->txbd_rdptr, rdptr);
1335 num_tx_buffs = MWIFIEX_MAX_TXRX_BD << reg->tx_start_ptr;
1337 while (((card->txbd_rdptr & reg->tx_mask) !=
1338 (rdptr & reg->tx_mask)) ||
1339 ((card->txbd_rdptr & reg->tx_rollover_ind) !=
1340 (rdptr & reg->tx_rollover_ind))) {
1341 wrdoneidx = (card->txbd_rdptr & reg->tx_mask) >>
1342 reg->tx_start_ptr;
1344 skb = card->tx_buf_list[wrdoneidx];
1355 if (card->txbd_flush)
1357 -1);
1360 atomic_dec(&adapter->tx_hw_pending);
1363 card->tx_buf_list[wrdoneidx] = NULL;
1365 if (reg->pfu_enabled) {
1366 desc2 = card->txbd_ring[wrdoneidx];
1369 desc = card->txbd_ring[wrdoneidx];
1372 switch (card->dev->device) {
1374 card->txbd_rdptr++;
1378 card->txbd_rdptr += reg->ring_tx_start_ptr;
1383 if ((card->txbd_rdptr & reg->tx_mask) == num_tx_buffs)
1384 card->txbd_rdptr = ((card->txbd_rdptr &
1385 reg->tx_rollover_ind) ^
1386 reg->tx_rollover_ind);
1390 adapter->data_sent = false;
1392 if (card->txbd_flush) {
1393 if (mwifiex_pcie_txbd_empty(card, card->txbd_rdptr))
1394 card->txbd_flush = 0;
1413 struct pcie_service_card *card = adapter->card;
1414 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1420 if (!(skb->data && skb->len)) {
1423 __func__, skb->data, skb->len);
1424 return -1;
1430 num_tx_buffs = MWIFIEX_MAX_TXRX_BD << reg->tx_start_ptr;
1433 card->txbd_rdptr, card->txbd_wrptr);
1437 adapter->data_sent = true;
1438 payload = skb->data;
1439 put_unaligned_le16((u16)skb->len, payload + 0);
1442 if (mwifiex_map_pci_memory(adapter, skb, skb->len,
1444 return -1;
1446 wrindx = (card->txbd_wrptr & reg->tx_mask) >> reg->tx_start_ptr;
1448 card->tx_buf_list[wrindx] = skb;
1449 atomic_inc(&adapter->tx_hw_pending);
1451 if (reg->pfu_enabled) {
1452 desc2 = card->txbd_ring[wrindx];
1453 desc2->paddr = buf_pa;
1454 desc2->len = (u16)skb->len;
1455 desc2->frag_len = (u16)skb->len;
1456 desc2->offset = 0;
1457 desc2->flags = MWIFIEX_BD_FLAG_FIRST_DESC |
1460 desc = card->txbd_ring[wrindx];
1461 desc->paddr = buf_pa;
1462 desc->len = (u16)skb->len;
1463 desc->flags = MWIFIEX_BD_FLAG_FIRST_DESC |
1467 switch (card->dev->device) {
1469 card->txbd_wrptr++;
1473 card->txbd_wrptr += reg->ring_tx_start_ptr;
1477 if ((card->txbd_wrptr & reg->tx_mask) == num_tx_buffs)
1478 card->txbd_wrptr = ((card->txbd_wrptr &
1479 reg->tx_rollover_ind) ^
1480 reg->tx_rollover_ind);
1482 rx_val = card->rxbd_rdptr & reg->rx_wrap_mask;
1483 /* Write the TX ring write pointer in to reg->tx_wrptr */
1484 mwifiex_write_reg(adapter, reg->tx_wrptr,
1485 card->txbd_wrptr | rx_val);
1487 /* The firmware (latest version 15.68.19.p21) of the 88W8897 PCIe+USB card
1495 tx_param->next_pkt_len) {
1498 "SEND DATA: delay dnld-rdy interrupt.\n");
1499 adapter->data_sent = false;
1507 "%#x> and sent packet to firmware successfully\n",
1508 card->txbd_rdptr, card->txbd_wrptr);
1512 adapter->data_sent = true;
1516 return -EBUSY;
1519 return -EINPROGRESS;
1528 struct pcie_service_card *card = adapter->card;
1529 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1540 /* Read the RX ring Write pointer set by firmware */
1541 if (mwifiex_read_reg(adapter, reg->rx_wrptr, &wrptr)) {
1543 "RECV DATA: failed to read reg->rx_wrptr\n");
1544 ret = -1;
1547 card->rxbd_wrptr = wrptr;
1549 while (((wrptr & reg->rx_mask) !=
1550 (card->rxbd_rdptr & reg->rx_mask)) ||
1551 ((wrptr & reg->rx_rollover_ind) ==
1552 (card->rxbd_rdptr & reg->rx_rollover_ind))) {
1556 rd_index = card->rxbd_rdptr & reg->rx_mask;
1557 skb_data = card->rx_buf_list[rd_index];
1563 return -ENOMEM;
1566 card->rx_buf_list[rd_index] = NULL;
1568 /* Get data length from interface header -
1571 rx_len = get_unaligned_le16(skb_data->data);
1572 if (WARN_ON(rx_len <= adapter->intf_hdr_len ||
1576 rx_len, card->rxbd_rdptr, wrptr);
1582 card->rxbd_rdptr, wrptr, rx_len);
1583 skb_pull(skb_data, adapter->intf_hdr_len);
1584 if (adapter->rx_work_enabled) {
1585 skb_queue_tail(&adapter->rx_data_q, skb_data);
1586 adapter->data_received = true;
1587 atomic_inc(&adapter->rx_pending);
1598 return -ENOMEM;
1604 return -1;
1611 card->rx_buf_list[rd_index] = skb_tmp;
1613 if (reg->pfu_enabled) {
1614 desc2 = card->rxbd_ring[rd_index];
1615 desc2->paddr = buf_pa;
1616 desc2->len = skb_tmp->len;
1617 desc2->frag_len = skb_tmp->len;
1618 desc2->offset = 0;
1619 desc2->flags = reg->ring_flag_sop | reg->ring_flag_eop;
1621 desc = card->rxbd_ring[rd_index];
1622 desc->paddr = buf_pa;
1623 desc->len = skb_tmp->len;
1624 desc->flags = 0;
1627 if ((++card->rxbd_rdptr & reg->rx_mask) ==
1629 card->rxbd_rdptr = ((card->rxbd_rdptr &
1630 reg->rx_rollover_ind) ^
1631 reg->rx_rollover_ind);
1635 card->rxbd_rdptr, wrptr);
1637 tx_val = card->txbd_wrptr & reg->tx_wrap_mask;
1638 /* Write the RX ring read pointer in to reg->rx_rdptr */
1639 mwifiex_write_reg(adapter, reg->rx_rdptr,
1640 card->rxbd_rdptr | tx_val);
1642 /* Read the RX ring Write pointer set by firmware */
1643 if (mwifiex_read_reg(adapter, reg->rx_wrptr, &wrptr)) {
1645 "RECV DATA: failed to read reg->rx_wrptr\n");
1646 ret = -1;
1651 card->rxbd_wrptr = wrptr;
1665 struct pcie_service_card *card = adapter->card;
1666 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1668 if (!(skb->data && skb->len)) {
1671 __func__, skb->data, skb->len);
1672 return -1;
1675 if (mwifiex_map_pci_memory(adapter, skb, skb->len, DMA_TO_DEVICE))
1676 return -1;
1683 mwifiex_write_reg(adapter, reg->cmd_addr_lo, (u32)buf_pa);
1688 mwifiex_write_reg(adapter, reg->cmd_addr_hi, (u32)((u64)buf_pa >> 32));
1691 mwifiex_write_reg(adapter, reg->cmd_size, skb->len);
1699 /* This function init rx port in firmware which in turn enables to receive data
1704 struct pcie_service_card *card = adapter->card;
1705 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1706 int tx_wrap = card->txbd_wrptr & reg->tx_wrap_mask;
1708 /* Write the RX ring read pointer in to reg->rx_rdptr */
1709 mwifiex_write_reg(adapter, reg->rx_rdptr, card->rxbd_rdptr | tx_wrap);
1717 struct pcie_service_card *card = adapter->card;
1718 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1720 u8 *payload = (u8 *)skb->data;
1722 if (!(skb->data && skb->len)) {
1725 __func__, skb->data, skb->len);
1726 return -1;
1730 if (!card->cmdrsp_buf) {
1733 return -EBUSY;
1739 adapter->cmd_sent = true;
1741 put_unaligned_le16((u16)skb->len, &payload[0]);
1744 if (mwifiex_map_pci_memory(adapter, skb, skb->len, DMA_TO_DEVICE))
1745 return -1;
1747 card->cmd_buf = skb;
1759 In response to door bell interrupt, the firmware will perform
1764 if (card->cmdrsp_buf) {
1765 cmdrsp_buf_pa = MWIFIEX_SKB_DMA_ADDR(card->cmdrsp_buf);
1768 mwifiex_write_reg(adapter, reg->cmdrsp_addr_lo,
1773 mwifiex_write_reg(adapter, reg->cmdrsp_addr_hi,
1777 cmd_buf_pa = MWIFIEX_SKB_DMA_ADDR(card->cmd_buf);
1779 /* Write the lower 32bits of the physical address to reg->cmd_addr_lo */
1780 mwifiex_write_reg(adapter, reg->cmd_addr_lo, (u32)cmd_buf_pa);
1782 /* Write the upper 32bits of the physical address to reg->cmd_addr_hi */
1783 mwifiex_write_reg(adapter, reg->cmd_addr_hi,
1786 /* Write the command length to reg->cmd_size */
1787 mwifiex_write_reg(adapter, reg->cmd_size, card->cmd_buf->len);
1800 struct pcie_service_card *card = adapter->card;
1801 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1802 struct sk_buff *skb = card->cmdrsp_buf;
1809 if (adapter->curr_cmd)
1812 dma_sync_single_for_cpu(&card->dev->dev,
1817 if (card->cmd_buf) {
1818 mwifiex_unmap_pci_memory(adapter, card->cmd_buf,
1820 dev_kfree_skb_any(card->cmd_buf);
1821 card->cmd_buf = NULL;
1824 rx_len = get_unaligned_le16(skb->data);
1825 skb_put(skb, MWIFIEX_UPLD_SIZE - skb->len);
1828 if (!adapter->curr_cmd) {
1829 if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
1830 dma_sync_single_for_device(&card->dev->dev,
1841 skb_pull(skb, adapter->intf_hdr_len);
1842 while (reg->sleep_cookie && (count++ < 10) &&
1846 mwifiex_process_sleep_confirm_resp(adapter, skb->data,
1847 skb->len);
1852 memcpy(adapter->upld_buf, skb->data,
1853 min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, skb->len));
1854 skb_push(skb, adapter->intf_hdr_len);
1857 return -1;
1859 skb_pull(skb, adapter->intf_hdr_len);
1860 adapter->curr_cmd->resp_skb = skb;
1861 adapter->cmd_resp_received = true;
1864 card->cmdrsp_buf = NULL;
1866 /* Clear the cmd-rsp buffer address in scratch registers. This
1867 will prevent firmware from writing to the same response
1869 mwifiex_write_reg(adapter, reg->cmdrsp_addr_lo, 0);
1873 mwifiex_write_reg(adapter, reg->cmdrsp_addr_hi, 0);
1885 struct pcie_service_card *card = adapter->card;
1888 card->cmdrsp_buf = skb;
1889 skb_push(card->cmdrsp_buf, adapter->intf_hdr_len);
1892 return -1;
1899 * This function handles firmware event ready interrupt
1903 struct pcie_service_card *card = adapter->card;
1904 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1905 u32 rdptr = card->evtbd_rdptr & MWIFIEX_EVTBD_MASK;
1912 if (adapter->event_received) {
1922 return -1;
1925 /* Read the event ring write pointer set by firmware */
1926 if (mwifiex_read_reg(adapter, reg->evt_wrptr, &wrptr)) {
1928 "EventReady: failed to read reg->evt_wrptr\n");
1929 return -1;
1934 card->evtbd_rdptr, wrptr);
1935 if (((wrptr & MWIFIEX_EVTBD_MASK) != (card->evtbd_rdptr
1937 ((wrptr & reg->evt_rollover_ind) ==
1938 (card->evtbd_rdptr & reg->evt_rollover_ind))) {
1945 skb_cmd = card->evt_buf_list[rdptr];
1950 card->evt_buf_list[rdptr] = NULL;
1951 desc = card->evtbd_ring[rdptr];
1955 &skb_cmd->data[adapter->intf_hdr_len]);
1956 adapter->event_cause = event;
1959 memcpy(&data_len, skb_cmd->data, sizeof(__le16));
1962 skb_pull(skb_cmd, adapter->intf_hdr_len);
1968 memcpy(adapter->event_body, skb_cmd->data +
1969 MWIFIEX_EVENT_HEADER_LEN, evt_len -
1972 adapter->event_received = true;
1973 adapter->event_skb = skb_cmd;
1993 struct pcie_service_card *card = adapter->card;
1994 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
1995 u32 rdptr = card->evtbd_rdptr & MWIFIEX_EVTBD_MASK;
2006 return -EINVAL;
2009 /* Read the event ring write pointer set by firmware */
2010 if (mwifiex_read_reg(adapter, reg->evt_wrptr, &wrptr)) {
2012 "event_complete: failed to read reg->evt_wrptr\n");
2013 return -1;
2016 if (!card->evt_buf_list[rdptr]) {
2017 skb_push(skb, adapter->intf_hdr_len);
2018 skb_put(skb, MAX_EVENT_SIZE - skb->len);
2022 return -1;
2023 card->evt_buf_list[rdptr] = skb;
2024 desc = card->evtbd_ring[rdptr];
2025 desc->paddr = MWIFIEX_SKB_DMA_ADDR(skb);
2026 desc->len = (u16)skb->len;
2027 desc->flags = 0;
2032 rdptr, card->evt_buf_list[rdptr], skb);
2035 if ((++card->evtbd_rdptr & MWIFIEX_EVTBD_MASK) == MWIFIEX_MAX_EVT_BD) {
2036 card->evtbd_rdptr = ((card->evtbd_rdptr &
2037 reg->evt_rollover_ind) ^
2038 reg->evt_rollover_ind);
2043 card->evtbd_rdptr, wrptr);
2045 /* Write the event ring read pointer in to reg->evt_rdptr */
2046 mwifiex_write_reg(adapter, reg->evt_rdptr, card->evtbd_rdptr);
2053 /* Combo firmware image is a combination of
2056 * (3) wifi image.
2059 * the offset of tail wifi-only part. If the image is already wifi-only,
2064 const void *firmware, u32 firmware_len) {
2072 if (offset + sizeof(fwdata->header) < sizeof(fwdata->header) ||
2073 offset + sizeof(fwdata->header) >= firmware_len) {
2075 "extract wifi-only fw failure!\n");
2076 ret = -1;
2080 fwdata = firmware + offset;
2081 dnld_cmd = le32_to_cpu(fwdata->header.dnld_cmd);
2082 data_len = le32_to_cpu(fwdata->header.data_length);
2085 offset += sizeof(fwdata->header);
2091 ret = -1;
2095 /* Image start with cmd1, already wifi-only firmware */
2098 "input wifi-only firmware\n");
2105 ret = -1;
2115 ret = -1;
2125 ret = -1;
2131 "extract wifi-only fw failure!\n");
2132 ret = -1;
2144 ret = -1;
2154 * This function downloads the firmware to the card.
2156 * Firmware is downloaded to the card in blocks. Every block download
2164 u8 *firmware = fw->fw_buf;
2165 u32 firmware_len = fw->fw_len;
2170 struct pcie_service_card *card = adapter->card;
2171 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2173 if (!firmware || !firmware_len) {
2175 "No firmware image found! Terminating download\n");
2176 return -1;
2187 ret = -ENOMEM;
2197 /* PCIE FLR case: extract wifi part from combo firmware*/
2199 ret = mwifiex_extract_wifi_fw(adapter, firmware, firmware_len);
2201 mwifiex_dbg(adapter, ERROR, "Failed to extract wifi fw\n");
2206 "info: dnld wifi firmware from %d bytes\n", offset);
2209 /* Perform firmware data transfer */
2218 ret = mwifiex_read_reg(adapter, reg->cmd_size,
2236 ret = -1;
2248 ret = -1;
2260 /* Set blocksize to transfer - checking for
2262 if (firmware_len - offset < txlen)
2263 txlen = firmware_len - offset;
2265 tx_blocks = (txlen + card->pcie.blksz_fw_dl - 1) /
2266 card->pcie.blksz_fw_dl;
2269 memmove(skb->data, &firmware[offset], txlen);
2272 skb_put(skb, MWIFIEX_UPLD_SIZE - skb->len);
2273 skb_trim(skb, tx_blocks * card->pcie.blksz_fw_dl);
2278 "Failed to send firmware download command\n");
2279 ret = -1;
2293 ret = -1;
2305 ret = -1;
2325 * This function checks the firmware status in card.
2332 struct pcie_service_card *card = adapter->card;
2333 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2342 mwifiex_write_reg(adapter, reg->drv_rdy, FIRMWARE_READY_PCIE);
2344 /* Wait for firmware initialization event */
2346 if (mwifiex_read_reg(adapter, reg->fw_status,
2348 ret = -1;
2362 ret = -1;
2376 struct pcie_service_card *card = adapter->card;
2377 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2379 if (mwifiex_read_reg(adapter, reg->fw_status, &winner)) {
2380 ret = -1;
2382 mwifiex_dbg(adapter, INFO, "PCI-E is the winner\n");
2383 adapter->winner = 1;
2386 "PCI-E is not the winner <%#x>", winner);
2400 struct pcie_service_card *card = adapter->card;
2402 if (card->msi_enable) {
2403 spin_lock_irqsave(&adapter->int_lock, flags);
2404 adapter->int_status = 1;
2405 spin_unlock_irqrestore(&adapter->int_lock, flags);
2412 if (card->msix_enable && msg_id >= 0) {
2431 if (!adapter->pps_uapsd_mode &&
2432 adapter->ps_state == PS_STATE_SLEEP &&
2438 adapter->ps_state = PS_STATE_AWAKE;
2439 adapter->pm_wakeup_fw_try = false;
2440 timer_delete(&adapter->wakeup_timer);
2443 spin_lock_irqsave(&adapter->int_lock, flags);
2444 adapter->int_status |= pcie_ireg;
2445 spin_unlock_irqrestore(&adapter->int_lock, flags);
2452 * This function reads the interrupt status from firmware and assigns
2458 struct pci_dev *pdev = ctx->dev;
2464 if (!card->adapter) {
2466 card ? card->adapter : NULL);
2469 adapter = card->adapter;
2471 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags))
2474 if (card->msix_enable)
2475 mwifiex_interrupt_status(adapter, ctx->msg_id);
2477 mwifiex_interrupt_status(adapter, -1);
2488 * The following interrupts are checked and handled by this function -
2489 * - Data sent
2490 * - Command sent
2491 * - Command received
2492 * - Packets received
2493 * - Events received
2503 struct pcie_service_card *card = adapter->card;
2505 spin_lock_irqsave(&adapter->int_lock, flags);
2506 if (!card->msi_enable) {
2508 pcie_ireg = adapter->int_status;
2510 adapter->int_status = 0;
2511 spin_unlock_irqrestore(&adapter->int_lock, flags);
2513 if (card->msi_enable) {
2519 return -1;
2526 if (!adapter->pps_uapsd_mode &&
2527 adapter->ps_state == PS_STATE_SLEEP) {
2528 adapter->ps_state = PS_STATE_AWAKE;
2529 adapter->pm_wakeup_fw_try = false;
2530 timer_delete(&adapter->wakeup_timer);
2555 if (adapter->cmd_sent) {
2558 adapter->cmd_sent = false;
2568 adapter->cmd_sent, adapter->data_sent);
2569 if (!card->msi_enable && !card->msix_enable &&
2570 adapter->ps_state != PS_STATE_SLEEP)
2584 * the type. The firmware handles the packets based upon this set type.
2593 return -1;
2613 struct pcie_service_card *card = adapter->card;
2614 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2624 if (mwifiex_read_reg(adapter, reg->fw_status, &value)) {
2625 mwifiex_dbg(adapter, ERROR, "failed to read firmware status");
2642 return p - drv_buf;
2645 /* This function read/write firmware */
2652 struct pcie_service_card *card = adapter->card;
2653 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2655 if (mwifiex_read_reg(adapter, reg->fw_status, &fw_status))
2658 mwifiex_write_reg(adapter, reg->fw_dump_ctrl, reg->fw_dump_host_ready);
2661 mwifiex_read_reg_byte(adapter, reg->fw_dump_ctrl, &ctrl_data);
2666 if (ctrl_data != reg->fw_dump_host_ready) {
2668 "The ctrl reg was changed, re-try again!\n");
2669 mwifiex_write_reg(adapter, reg->fw_dump_ctrl,
2670 reg->fw_dump_host_ready);
2679 /* This function dump firmware memory to file */
2682 struct pcie_service_card *card = adapter->card;
2683 const struct mwifiex_pcie_card_reg *creg = card->pcie.reg;
2690 if (!card->pcie.can_dump_fw)
2693 for (idx = 0; idx < adapter->num_mem_types; idx++) {
2695 &adapter->mem_type_mapping_tbl[idx];
2697 if (entry->mem_ptr) {
2698 vfree(entry->mem_ptr);
2699 entry->mem_ptr = NULL;
2701 entry->mem_size = 0;
2704 mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump start ==\n");
2711 reg = creg->fw_dump_start;
2714 /* W8997 chipset firmware dump will be restore in single region*/
2723 &adapter->mem_type_mapping_tbl[idx];
2730 reg = creg->fw_dump_start;
2741 mwifiex_dbg(adapter, MSG, "Firmware dump Finished!\n");
2742 mwifiex_write_reg(adapter, creg->fw_dump_ctrl,
2743 creg->fw_dump_read_done);
2748 "%s_SIZE=0x%x\n", entry->mem_name, memory_size);
2749 entry->mem_ptr = vmalloc(memory_size + 1);
2750 entry->mem_size = memory_size;
2751 if (!entry->mem_ptr) {
2753 "Vmalloc %s failed\n", entry->mem_name);
2756 dbg_ptr = entry->mem_ptr;
2759 doneflag = entry->done_flag;
2761 entry->mem_name);
2768 reg_start = creg->fw_dump_start;
2769 reg_end = creg->fw_dump_end;
2777 "pre-allocated buf not enough\n");
2782 memcpy(tmp_ptr, entry->mem_ptr, memory_size);
2783 vfree(entry->mem_ptr);
2784 entry->mem_ptr = tmp_ptr;
2786 dbg_ptr = entry->mem_ptr + memory_size;
2788 end_ptr = entry->mem_ptr + memory_size;
2796 entry->mem_name, dbg_ptr - entry->mem_ptr);
2800 mwifiex_dbg(adapter, MSG, "== mwifiex firmware dump end ==\n");
2805 adapter->devdump_data = vzalloc(MWIFIEX_FW_DUMP_SIZE);
2806 if (!adapter->devdump_data) {
2820 struct pcie_service_card *card = adapter->card;
2825 pci_try_reset_function(card->dev);
2834 &card->work_flags))
2835 mwifiex_pcie_device_dump_work(card->adapter);
2837 &card->work_flags))
2838 mwifiex_pcie_card_reset_work(card->adapter);
2844 struct pcie_service_card *card = adapter->card;
2847 &card->work_flags))
2848 schedule_work(&card->work);
2853 struct pcie_service_card *card = adapter->card;
2855 if (!test_and_set_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags))
2856 schedule_work(&card->work);
2861 struct pcie_service_card *card = adapter->card;
2862 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2865 card->cmdrsp_buf = NULL;
2890 if (reg->sleep_cookie) {
2897 card->sleep_cookie_vbase = NULL;
2916 struct pcie_service_card *card = adapter->card;
2917 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
2919 if (reg->sleep_cookie)
2929 * This function initializes the PCI-E host memory space, WCB rings, etc.
2933 struct pcie_service_card *card = adapter->card;
2935 struct pci_dev *pdev = card->dev;
2945 ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
2956 card->pci_mmap = pci_iomap(pdev, 0, 0);
2957 if (!card->pci_mmap) {
2959 ret = -EIO;
2967 card->pci_mmap1 = pci_iomap(pdev, 2, 0);
2968 if (!card->pci_mmap1) {
2970 ret = -EIO;
2975 card->pci_mmap, card->pci_mmap1);
2981 if (pdev->device == PCIE_DEVICE_ID_MARVELL_88W8897)
2982 adapter->ignore_btcoex_events = true;
2987 pci_iounmap(pdev, card->pci_mmap1);
2991 pci_iounmap(pdev, card->pci_mmap);
3006 struct pcie_service_card *card = adapter->card;
3007 struct pci_dev *pdev = card->dev;
3008 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
3016 if (!card->pci_reset_ongoing) {
3018 cancel_work_sync(&card->work);
3025 mwifiex_read_reg(adapter, reg->fw_status, &fw_status);
3029 mwifiex_write_reg(adapter, reg->drv_rdy, 0x00000000);
3034 pci_iounmap(pdev, card->pci_mmap);
3035 pci_iounmap(pdev, card->pci_mmap1);
3045 struct pcie_service_card *card = adapter->card;
3046 struct pci_dev *pdev = card->dev;
3048 if (card->pcie.reg->msix_support) {
3050 card->msix_entries[i].entry = i;
3051 ret = pci_enable_msix_exact(pdev, card->msix_entries,
3055 card->msix_ctx[i].dev = pdev;
3056 card->msix_ctx[i].msg_id = i;
3058 ret = request_irq(card->msix_entries[i].vector,
3061 &card->msix_ctx[i]);
3070 free_irq(card->msix_entries[j].vector,
3071 &card->msix_ctx[i]);
3075 card->msix_enable = 1;
3084 card->msi_enable = 1;
3086 mwifiex_dbg(adapter, INFO, "msi_enable = %d\n", card->msi_enable);
3088 card->share_irq_ctx.dev = pdev;
3089 card->share_irq_ctx.msg_id = -1;
3090 ret = request_irq(pdev->irq, mwifiex_pcie_interrupt, IRQF_SHARED,
3091 "MRVL_PCIE", &card->share_irq_ctx);
3094 return -1;
3101 * This function gets the firmware name for downloading by revision id
3109 struct pcie_service_card *card = adapter->card;
3111 switch (card->dev->device) {
3113 strcpy(adapter->fw_name, PCIE8766_DEFAULT_FW_NAME);
3121 strcpy(adapter->fw_name, PCIE8897_A0_FW_NAME);
3124 strcpy(adapter->fw_name, PCIE8897_B0_FW_NAME);
3127 strcpy(adapter->fw_name, PCIE8897_DEFAULT_FW_NAME);
3142 strcpy(adapter->fw_name, PCIEUART8997_FW_NAME_V4);
3144 strcpy(adapter->fw_name, PCIEUSB8997_FW_NAME_V4);
3158 struct pcie_service_card *card = adapter->card;
3161 card->adapter = adapter;
3164 return -1;
3166 adapter->tx_buf_size = card->pcie.tx_buf_size;
3167 adapter->mem_type_mapping_tbl = card->pcie.mem_type_mapping_tbl;
3168 adapter->num_mem_types = card->pcie.num_mem_types;
3169 adapter->ext_scan = card->pcie.can_ext_scan;
3183 struct pcie_service_card *card = adapter->card;
3184 struct pci_dev *pdev = card->dev;
3187 if (card->msix_enable) {
3189 synchronize_irq(card->msix_entries[i].vector);
3192 free_irq(card->msix_entries[i].vector,
3193 &card->msix_ctx[i]);
3195 card->msix_enable = 0;
3200 free_irq(card->dev->irq, &card->share_irq_ctx);
3202 if (card->msi_enable)
3205 card->adapter = NULL;
3209 * This function initializes the PCI-E host memory space, WCB rings, etc.,
3210 * similar to mwifiex_init_pcie(), but without resetting PCI-E state.
3214 struct pcie_service_card *card = adapter->card;
3215 struct pci_dev *pdev = card->dev;
3217 /* tx_buf_size might be changed to 3584 by firmware during
3220 adapter->tx_buf_size = card->pcie.tx_buf_size;
3227 /* This function cleans up the PCI-E host memory space. */
3230 struct pcie_service_card *card = adapter->card;
3231 const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
3232 struct pci_dev *pdev = card->dev;
3234 mwifiex_write_reg(adapter, reg->drv_rdy, 0x00000000);
3238 adapter->seq_num = 0;
3275 MODULE_DESCRIPTION("Marvell WiFi-Ex PCI-Express Driver version " PCIE_VERSION);