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path: root/drivers/net/wireless/mwifiex/pcie.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.c')
-rw-r--r--drivers/net/wireless/mwifiex/pcie.c394
1 files changed, 204 insertions, 190 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 405350940a45..5867facd415d 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -83,13 +83,11 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
struct pcie_service_card *card;
pr_debug("info: vendor=0x%4.04X device=0x%4.04X rev=%d\n",
- pdev->vendor, pdev->device, pdev->revision);
+ pdev->vendor, pdev->device, pdev->revision);
card = kzalloc(sizeof(struct pcie_service_card), GFP_KERNEL);
- if (!card) {
- pr_err("%s: failed to alloc memory\n", __func__);
+ if (!card)
return -ENOMEM;
- }
card->dev = pdev;
@@ -110,6 +108,7 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev)
{
struct pcie_service_card *card;
struct mwifiex_adapter *adapter;
+ struct mwifiex_private *priv;
int i;
card = pci_get_drvdata(pdev);
@@ -128,16 +127,15 @@ static void mwifiex_pcie_remove(struct pci_dev *pdev)
for (i = 0; i < adapter->priv_num; i++)
if ((GET_BSS_ROLE(adapter->priv[i]) ==
- MWIFIEX_BSS_ROLE_STA) &&
- adapter->priv[i]->media_connected)
+ MWIFIEX_BSS_ROLE_STA) &&
+ adapter->priv[i]->media_connected)
mwifiex_deauthenticate(adapter->priv[i], NULL);
- mwifiex_disable_auto_ds(mwifiex_get_priv(adapter,
- MWIFIEX_BSS_ROLE_ANY));
+ priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
+
+ mwifiex_disable_auto_ds(priv);
- mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter,
- MWIFIEX_BSS_ROLE_ANY),
- MWIFIEX_FUNC_SHUTDOWN);
+ mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN);
}
mwifiex_remove_card(card->adapter, &add_remove_card_sem);
@@ -221,7 +219,7 @@ static int mwifiex_pcie_resume(struct pci_dev *pdev)
netif_carrier_on(adapter->priv[i]->netdev);
mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
- MWIFIEX_ASYNC_CMD);
+ MWIFIEX_ASYNC_CMD);
return 0;
}
@@ -288,7 +286,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter)
while (mwifiex_pcie_ok_to_access_hw(adapter)) {
i++;
- udelay(10);
+ usleep_range(10, 20);
/* 50ms max wait */
if (i == 50000)
break;
@@ -380,26 +378,26 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter)
/* allocate shared memory for the BD ring and divide the same in to
several descriptors */
card->txbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
- MWIFIEX_MAX_TXRX_BD;
+ MWIFIEX_MAX_TXRX_BD;
dev_dbg(adapter->dev, "info: txbd_ring: Allocating %d bytes\n",
- card->txbd_ring_size);
+ card->txbd_ring_size);
card->txbd_ring_vbase = kzalloc(card->txbd_ring_size, GFP_KERNEL);
if (!card->txbd_ring_vbase) {
- dev_err(adapter->dev, "Unable to allocate buffer for txbd ring.\n");
+ dev_err(adapter->dev, "Unable to alloc buffer for txbd ring\n");
return -ENOMEM;
}
card->txbd_ring_pbase = virt_to_phys(card->txbd_ring_vbase);
- dev_dbg(adapter->dev, "info: txbd_ring - base: %p, pbase: %#x:%x,"
- "len: %x\n", card->txbd_ring_vbase,
- (u32)card->txbd_ring_pbase,
- (u32)((u64)card->txbd_ring_pbase >> 32),
- card->txbd_ring_size);
+ dev_dbg(adapter->dev,
+ "info: txbd_ring - base: %p, pbase: %#x:%x, len: %x\n",
+ card->txbd_ring_vbase, (u32)card->txbd_ring_pbase,
+ (u32)((u64)card->txbd_ring_pbase >> 32), card->txbd_ring_size);
for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) {
card->txbd_ring[i] = (struct mwifiex_pcie_buf_desc *)
- (card->txbd_ring_vbase +
- (sizeof(struct mwifiex_pcie_buf_desc) * i));
+ (card->txbd_ring_vbase +
+ (sizeof(struct mwifiex_pcie_buf_desc)
+ * i));
/* Allocate buffer here so that firmware can DMA data from it */
skb = dev_alloc_skb(MWIFIEX_RX_DATA_BUF_SIZE);
@@ -412,10 +410,9 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MWIFIEX_RX_DATA_BUF_SIZE);
dev_dbg(adapter->dev, "info: TX ring: add new skb base: %p, "
- "buf_base: %p, buf_pbase: %#x:%x, "
- "buf_len: %#x\n", skb, skb->data,
- (u32)*buf_pa, (u32)(((u64)*buf_pa >> 32)),
- skb->len);
+ "buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n",
+ skb, skb->data, (u32)*buf_pa,
+ (u32)(((u64)*buf_pa >> 32)), skb->len);
card->tx_buf_list[i] = skb;
card->txbd_ring[i]->paddr = *buf_pa;
@@ -469,9 +466,9 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
card->rxbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND;
card->rxbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
- MWIFIEX_MAX_TXRX_BD;
+ MWIFIEX_MAX_TXRX_BD;
dev_dbg(adapter->dev, "info: rxbd_ring: Allocating %d bytes\n",
- card->rxbd_ring_size);
+ card->rxbd_ring_size);
card->rxbd_ring_vbase = kzalloc(card->rxbd_ring_size, GFP_KERNEL);
if (!card->rxbd_ring_vbase) {
dev_err(adapter->dev, "Unable to allocate buffer for "
@@ -480,21 +477,23 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
}
card->rxbd_ring_pbase = virt_to_phys(card->rxbd_ring_vbase);
- dev_dbg(adapter->dev, "info: rxbd_ring - base: %p, pbase: %#x:%x,"
- "len: %#x\n", card->rxbd_ring_vbase,
- (u32)card->rxbd_ring_pbase,
- (u32)((u64)card->rxbd_ring_pbase >> 32),
- card->rxbd_ring_size);
+ dev_dbg(adapter->dev,
+ "info: rxbd_ring - base: %p, pbase: %#x:%x, len: %#x\n",
+ card->rxbd_ring_vbase, (u32)card->rxbd_ring_pbase,
+ (u32)((u64)card->rxbd_ring_pbase >> 32),
+ card->rxbd_ring_size);
for (i = 0; i < MWIFIEX_MAX_TXRX_BD; i++) {
card->rxbd_ring[i] = (struct mwifiex_pcie_buf_desc *)
- (card->rxbd_ring_vbase +
- (sizeof(struct mwifiex_pcie_buf_desc) * i));
+ (card->rxbd_ring_vbase +
+ (sizeof(struct mwifiex_pcie_buf_desc)
+ * i));
/* Allocate skb here so that firmware can DMA data from it */
skb = dev_alloc_skb(MWIFIEX_RX_DATA_BUF_SIZE);
if (!skb) {
- dev_err(adapter->dev, "Unable to allocate skb for RX ring.\n");
+ dev_err(adapter->dev,
+ "Unable to allocate skb for RX ring.\n");
kfree(card->rxbd_ring_vbase);
return -ENOMEM;
}
@@ -502,10 +501,9 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MWIFIEX_RX_DATA_BUF_SIZE);
dev_dbg(adapter->dev, "info: RX ring: add new skb base: %p, "
- "buf_base: %p, buf_pbase: %#x:%x, "
- "buf_len: %#x\n", skb, skb->data,
- (u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
- skb->len);
+ "buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n",
+ skb, skb->data, (u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
+ skb->len);
card->rx_buf_list[i] = skb;
card->rxbd_ring[i]->paddr = *buf_pa;
@@ -562,32 +560,34 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
card->evtbd_rdptr |= MWIFIEX_BD_FLAG_ROLLOVER_IND;
card->evtbd_ring_size = sizeof(struct mwifiex_pcie_buf_desc) *
- MWIFIEX_MAX_EVT_BD;
+ MWIFIEX_MAX_EVT_BD;
dev_dbg(adapter->dev, "info: evtbd_ring: Allocating %d bytes\n",
- card->evtbd_ring_size);
+ card->evtbd_ring_size);
card->evtbd_ring_vbase = kzalloc(card->evtbd_ring_size, GFP_KERNEL);
if (!card->evtbd_ring_vbase) {
- dev_err(adapter->dev, "Unable to allocate buffer. "
- "Terminating download\n");
+ dev_err(adapter->dev,
+ "Unable to allocate buffer. Terminating download\n");
return -ENOMEM;
}
card->evtbd_ring_pbase = virt_to_phys(card->evtbd_ring_vbase);
- dev_dbg(adapter->dev, "info: CMDRSP/EVT bd_ring - base: %p, "
- "pbase: %#x:%x, len: %#x\n", card->evtbd_ring_vbase,
- (u32)card->evtbd_ring_pbase,
- (u32)((u64)card->evtbd_ring_pbase >> 32),
- card->evtbd_ring_size);
+ dev_dbg(adapter->dev,
+ "info: CMDRSP/EVT bd_ring - base: %p pbase: %#x:%x len: %#x\n",
+ card->evtbd_ring_vbase, (u32)card->evtbd_ring_pbase,
+ (u32)((u64)card->evtbd_ring_pbase >> 32),
+ card->evtbd_ring_size);
for (i = 0; i < MWIFIEX_MAX_EVT_BD; i++) {
card->evtbd_ring[i] = (struct mwifiex_pcie_buf_desc *)
- (card->evtbd_ring_vbase +
- (sizeof(struct mwifiex_pcie_buf_desc) * i));
+ (card->evtbd_ring_vbase +
+ (sizeof(struct mwifiex_pcie_buf_desc)
+ * i));
/* Allocate skb here so that firmware can DMA data from it */
skb = dev_alloc_skb(MAX_EVENT_SIZE);
if (!skb) {
- dev_err(adapter->dev, "Unable to allocate skb for EVENT buf.\n");
+ dev_err(adapter->dev,
+ "Unable to allocate skb for EVENT buf.\n");
kfree(card->evtbd_ring_vbase);
return -ENOMEM;
}
@@ -595,10 +595,9 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
skb_put(skb, MAX_EVENT_SIZE);
dev_dbg(adapter->dev, "info: Evt ring: add new skb. base: %p, "
- "buf_base: %p, buf_pbase: %#x:%x, "
- "buf_len: %#x\n", skb, skb->data,
- (u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
- skb->len);
+ "buf_base: %p, buf_pbase: %#x:%x, buf_len: %#x\n",
+ skb, skb->data, (u32)*buf_pa, (u32)((u64)*buf_pa >> 32),
+ skb->len);
card->evt_buf_list[i] = skb;
card->evtbd_ring[i]->paddr = *buf_pa;
@@ -647,8 +646,8 @@ static int mwifiex_pcie_alloc_cmdrsp_buf(struct mwifiex_adapter *adapter)
/* Allocate memory for receiving command response data */
skb = dev_alloc_skb(MWIFIEX_UPLD_SIZE);
if (!skb) {
- dev_err(adapter->dev, "Unable to allocate skb for command "
- "response data.\n");
+ dev_err(adapter->dev,
+ "Unable to allocate skb for command response data.\n");
return -ENOMEM;
}
mwifiex_update_sk_buff_pa(skb);
@@ -659,8 +658,8 @@ static int mwifiex_pcie_alloc_cmdrsp_buf(struct mwifiex_adapter *adapter)
/* Allocate memory for sending command to firmware */
skb = dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER);
if (!skb) {
- dev_err(adapter->dev, "Unable to allocate skb for command "
- "data.\n");
+ dev_err(adapter->dev,
+ "Unable to allocate skb for command data.\n");
return -ENOMEM;
}
mwifiex_update_sk_buff_pa(skb);
@@ -702,8 +701,8 @@ static int mwifiex_pcie_alloc_sleep_cookie_buf(struct mwifiex_adapter *adapter)
/* Allocate memory for sleep cookie */
skb = dev_alloc_skb(sizeof(u32));
if (!skb) {
- dev_err(adapter->dev, "Unable to allocate skb for sleep "
- "cookie!\n");
+ dev_err(adapter->dev,
+ "Unable to allocate skb for sleep cookie!\n");
return -ENOMEM;
}
mwifiex_update_sk_buff_pa(skb);
@@ -713,7 +712,7 @@ static int mwifiex_pcie_alloc_sleep_cookie_buf(struct mwifiex_adapter *adapter)
*(u32 *)skb->data = FW_AWAKE_COOKIE;
dev_dbg(adapter->dev, "alloc_scook: sleep cookie=0x%x\n",
- *((u32 *)skb->data));
+ *((u32 *)skb->data));
/* Save the sleep cookie */
card->sleep_cookie = skb;
@@ -757,15 +756,15 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Read the TX ring read pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_TXBD_RDPTR, &rdptr)) {
- dev_err(adapter->dev, "SEND DATA: failed to read "
- "REG_TXBD_RDPTR\n");
+ dev_err(adapter->dev,
+ "SEND DATA: failed to read REG_TXBD_RDPTR\n");
return -1;
}
wrindx = card->txbd_wrptr & MWIFIEX_TXBD_MASK;
dev_dbg(adapter->dev, "info: SEND DATA: <Rd: %#x, Wr: %#x>\n", rdptr,
- card->txbd_wrptr);
+ card->txbd_wrptr);
if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) !=
(rdptr & MWIFIEX_TXBD_MASK)) ||
((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) !=
@@ -797,32 +796,31 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Write the TX ring write pointer in to REG_TXBD_WRPTR */
if (mwifiex_write_reg(adapter, REG_TXBD_WRPTR,
- card->txbd_wrptr)) {
- dev_err(adapter->dev, "SEND DATA: failed to write "
- "REG_TXBD_WRPTR\n");
+ card->txbd_wrptr)) {
+ dev_err(adapter->dev,
+ "SEND DATA: failed to write REG_TXBD_WRPTR\n");
return 0;
}
/* Send the TX ready interrupt */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DNLD_RDY)) {
- dev_err(adapter->dev, "SEND DATA: failed to assert "
- "door-bell interrupt.\n");
+ dev_err(adapter->dev,
+ "SEND DATA: failed to assert door-bell intr\n");
return -1;
}
dev_dbg(adapter->dev, "info: SEND DATA: Updated <Rd: %#x, Wr: "
- "%#x> and sent packet to firmware "
- "successfully\n", rdptr,
- card->txbd_wrptr);
+ "%#x> and sent packet to firmware successfully\n",
+ rdptr, card->txbd_wrptr);
} else {
- dev_dbg(adapter->dev, "info: TX Ring full, can't send anymore "
- "packets to firmware\n");
+ dev_dbg(adapter->dev,
+ "info: TX Ring full, can't send packets to fw\n");
adapter->data_sent = true;
/* Send the TX ready interrupt */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DNLD_RDY))
- dev_err(adapter->dev, "SEND DATA: failed to assert "
- "door-bell interrupt\n");
+ dev_err(adapter->dev,
+ "SEND DATA: failed to assert door-bell intr\n");
return -EBUSY;
}
@@ -842,8 +840,8 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
/* Read the RX ring Write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_RXBD_WRPTR, &wrptr)) {
- dev_err(adapter->dev, "RECV DATA: failed to read "
- "REG_TXBD_RDPTR\n");
+ dev_err(adapter->dev,
+ "RECV DATA: failed to read REG_TXBD_RDPTR\n");
ret = -1;
goto done;
}
@@ -861,12 +859,13 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
/* Get data length from interface header -
first byte is len, second byte is type */
rx_len = *((u16 *)skb_data->data);
- dev_dbg(adapter->dev, "info: RECV DATA: Rd=%#x, Wr=%#x, "
- "Len=%d\n", card->rxbd_rdptr, wrptr, rx_len);
+ dev_dbg(adapter->dev,
+ "info: RECV DATA: Rd=%#x, Wr=%#x, Len=%d\n",
+ card->rxbd_rdptr, wrptr, rx_len);
skb_tmp = dev_alloc_skb(rx_len);
if (!skb_tmp) {
- dev_dbg(adapter->dev, "info: Failed to alloc skb "
- "for RX\n");
+ dev_dbg(adapter->dev,
+ "info: Failed to alloc skb for RX\n");
ret = -EBUSY;
goto done;
}
@@ -881,26 +880,26 @@ static int mwifiex_pcie_process_recv_data(struct mwifiex_adapter *adapter)
MWIFIEX_BD_FLAG_ROLLOVER_IND);
}
dev_dbg(adapter->dev, "info: RECV DATA: <Rd: %#x, Wr: %#x>\n",
- card->rxbd_rdptr, wrptr);
+ card->rxbd_rdptr, wrptr);
/* Write the RX ring read pointer in to REG_RXBD_RDPTR */
if (mwifiex_write_reg(adapter, REG_RXBD_RDPTR,
card->rxbd_rdptr)) {
- dev_err(adapter->dev, "RECV DATA: failed to "
- "write REG_RXBD_RDPTR\n");
+ dev_err(adapter->dev,
+ "RECV DATA: failed to write REG_RXBD_RDPTR\n");
ret = -1;
goto done;
}
/* Read the RX ring Write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_RXBD_WRPTR, &wrptr)) {
- dev_err(adapter->dev, "RECV DATA: failed to read "
- "REG_TXBD_RDPTR\n");
+ dev_err(adapter->dev,
+ "RECV DATA: failed to read REG_TXBD_RDPTR\n");
ret = -1;
goto done;
}
- dev_dbg(adapter->dev, "info: RECV DATA: Received packet from "
- "firmware successfully\n");
+ dev_dbg(adapter->dev,
+ "info: RECV DATA: Rcvd packet from fw successfully\n");
mwifiex_handle_rx_packet(adapter, skb_tmp);
}
@@ -919,17 +918,19 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
phys_addr_t *buf_pa = MWIFIEX_SKB_PACB(skb);
if (!(skb->data && skb->len && *buf_pa)) {
- dev_err(adapter->dev, "Invalid parameter in %s <%p, %#x:%x, "
- "%x>\n", __func__, skb->data, skb->len,
- (u32)*buf_pa, (u32)((u64)*buf_pa >> 32));
+ dev_err(adapter->dev,
+ "Invalid parameter in %s <%p, %#x:%x, %x>\n",
+ __func__, skb->data, skb->len,
+ (u32)*buf_pa, (u32)((u64)*buf_pa >> 32));
return -1;
}
/* Write the lower 32bits of the physical address to scratch
* register 0 */
if (mwifiex_write_reg(adapter, PCIE_SCRATCH_0_REG, (u32)*buf_pa)) {
- dev_err(adapter->dev, "%s: failed to write download command "
- "to boot code.\n", __func__);
+ dev_err(adapter->dev,
+ "%s: failed to write download command to boot code.\n",
+ __func__);
return -1;
}
@@ -937,23 +938,25 @@ mwifiex_pcie_send_boot_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
* register 1 */
if (mwifiex_write_reg(adapter, PCIE_SCRATCH_1_REG,
(u32)((u64)*buf_pa >> 32))) {
- dev_err(adapter->dev, "%s: failed to write download command "
- "to boot code.\n", __func__);
+ dev_err(adapter->dev,
+ "%s: failed to write download command to boot code.\n",
+ __func__);
return -1;
}
/* Write the command length to scratch register 2 */
if (mwifiex_write_reg(adapter, PCIE_SCRATCH_2_REG, skb->len)) {
- dev_err(adapter->dev, "%s: failed to write command length to "
- "scratch register 2\n", __func__);
+ dev_err(adapter->dev,
+ "%s: failed to write command len to scratch reg 2\n",
+ __func__);
return -1;
}
/* Ring the door bell */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DOOR_BELL)) {
- dev_err(adapter->dev, "%s: failed to assert door-bell "
- "interrupt.\n", __func__);
+ dev_err(adapter->dev,
+ "%s: failed to assert door-bell intr\n", __func__);
return -1;
}
@@ -973,14 +976,14 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
if (!(skb->data && skb->len)) {
dev_err(adapter->dev, "Invalid parameter in %s <%p, %#x>\n",
- __func__, skb->data, skb->len);
+ __func__, skb->data, skb->len);
return -1;
}
/* Make sure a command response buffer is available */
if (!card->cmdrsp_buf) {
- dev_err(adapter->dev, "No response buffer available, send "
- "command failed\n");
+ dev_err(adapter->dev,
+ "No response buffer available, send command failed\n");
return -EBUSY;
}
@@ -1011,17 +1014,18 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Write the lower 32bits of the cmdrsp buffer physical
address */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_LO,
- (u32)*cmdrsp_buf_pa)) {
- dev_err(adapter->dev, "Failed to write download command to boot code.\n");
+ (u32)*cmdrsp_buf_pa)) {
+ dev_err(adapter->dev,
+ "Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
/* Write the upper 32bits of the cmdrsp buffer physical
address */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_HI,
- (u32)((u64)*cmdrsp_buf_pa >> 32))) {
- dev_err(adapter->dev, "Failed to write download command"
- " to boot code.\n");
+ (u32)((u64)*cmdrsp_buf_pa >> 32))) {
+ dev_err(adapter->dev,
+ "Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
@@ -1029,27 +1033,25 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
cmd_buf_pa = MWIFIEX_SKB_PACB(card->cmd_buf);
/* Write the lower 32bits of the physical address to REG_CMD_ADDR_LO */
- if (mwifiex_write_reg(adapter, REG_CMD_ADDR_LO,
- (u32)*cmd_buf_pa)) {
- dev_err(adapter->dev, "Failed to write download command "
- "to boot code.\n");
+ if (mwifiex_write_reg(adapter, REG_CMD_ADDR_LO, (u32)*cmd_buf_pa)) {
+ dev_err(adapter->dev,
+ "Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
/* Write the upper 32bits of the physical address to REG_CMD_ADDR_HI */
if (mwifiex_write_reg(adapter, REG_CMD_ADDR_HI,
- (u32)((u64)*cmd_buf_pa >> 32))) {
- dev_err(adapter->dev, "Failed to write download command "
- "to boot code.\n");
+ (u32)((u64)*cmd_buf_pa >> 32))) {
+ dev_err(adapter->dev,
+ "Failed to write download cmd to boot code.\n");
ret = -1;
goto done;
}
/* Write the command length to REG_CMD_SIZE */
- if (mwifiex_write_reg(adapter, REG_CMD_SIZE,
- card->cmd_buf->len)) {
- dev_err(adapter->dev, "Failed to write command length to "
- "REG_CMD_SIZE\n");
+ if (mwifiex_write_reg(adapter, REG_CMD_SIZE, card->cmd_buf->len)) {
+ dev_err(adapter->dev,
+ "Failed to write cmd len to REG_CMD_SIZE\n");
ret = -1;
goto done;
}
@@ -1057,8 +1059,8 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
/* Ring the door bell */
if (mwifiex_write_reg(adapter, PCIE_CPU_INT_EVENT,
CPU_INTR_DOOR_BELL)) {
- dev_err(adapter->dev, "Failed to assert door-bell "
- "interrupt.\n");
+ dev_err(adapter->dev,
+ "Failed to assert door-bell intr\n");
ret = -1;
goto done;
}
@@ -1076,30 +1078,29 @@ done:
static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
{
struct pcie_service_card *card = adapter->card;
+ struct sk_buff *skb = card->cmdrsp_buf;
int count = 0;
dev_dbg(adapter->dev, "info: Rx CMD Response\n");
if (!adapter->curr_cmd) {
- skb_pull(card->cmdrsp_buf, INTF_HEADER_LEN);
+ skb_pull(skb, INTF_HEADER_LEN);
if (adapter->ps_state == PS_STATE_SLEEP_CFM) {
- mwifiex_process_sleep_confirm_resp(adapter,
- card->cmdrsp_buf->data,
- card->cmdrsp_buf->len);
+ mwifiex_process_sleep_confirm_resp(adapter, skb->data,
+ skb->len);
while (mwifiex_pcie_ok_to_access_hw(adapter) &&
(count++ < 10))
- udelay(50);
+ usleep_range(50, 60);
} else {
- dev_err(adapter->dev, "There is no command but "
- "got cmdrsp\n");
+ dev_err(adapter->dev,
+ "There is no command but got cmdrsp\n");
}
- memcpy(adapter->upld_buf, card->cmdrsp_buf->data,
- min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER,
- card->cmdrsp_buf->len));
- skb_push(card->cmdrsp_buf, INTF_HEADER_LEN);
+ memcpy(adapter->upld_buf, skb->data,
+ min_t(u32, MWIFIEX_SIZE_OF_CMD_BUFFER, skb->len));
+ skb_push(skb, INTF_HEADER_LEN);
} else if (mwifiex_pcie_ok_to_access_hw(adapter)) {
- skb_pull(card->cmdrsp_buf, INTF_HEADER_LEN);
- adapter->curr_cmd->resp_skb = card->cmdrsp_buf;
+ skb_pull(skb, INTF_HEADER_LEN);
+ adapter->curr_cmd->resp_skb = skb;
adapter->cmd_resp_received = true;
/* Take the pointer and set it to CMD node and will
return in the response complete callback */
@@ -1109,15 +1110,15 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
will prevent firmware from writing to the same response
buffer again. */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_LO, 0)) {
- dev_err(adapter->dev, "cmd_done: failed to clear "
- "cmd_rsp address.\n");
+ dev_err(adapter->dev,
+ "cmd_done: failed to clear cmd_rsp_addr_lo\n");
return -1;
}
/* Write the upper 32bits of the cmdrsp buffer physical
address */
if (mwifiex_write_reg(adapter, REG_CMDRSP_ADDR_HI, 0)) {
- dev_err(adapter->dev, "cmd_done: failed to clear "
- "cmd_rsp address.\n");
+ dev_err(adapter->dev,
+ "cmd_done: failed to clear cmd_rsp_addr_hi\n");
return -1;
}
}
@@ -1151,8 +1152,8 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter)
u32 wrptr, event;
if (adapter->event_received) {
- dev_dbg(adapter->dev, "info: Event being processed, "\
- "do not process this interrupt just yet\n");
+ dev_dbg(adapter->dev, "info: Event being processed, "
+ "do not process this interrupt just yet\n");
return 0;
}
@@ -1163,14 +1164,15 @@ static int mwifiex_pcie_process_event_ready(struct mwifiex_adapter *adapter)
/* Read the event ring write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) {
- dev_err(adapter->dev, "EventReady: failed to read REG_EVTBD_WRPTR\n");
+ dev_err(adapter->dev,
+ "EventReady: failed to read REG_EVTBD_WRPTR\n");
return -1;
}
dev_dbg(adapter->dev, "info: EventReady: Initial <Rd: 0x%x, Wr: 0x%x>",
- card->evtbd_rdptr, wrptr);
- if (((wrptr & MWIFIEX_EVTBD_MASK) !=
- (card->evtbd_rdptr & MWIFIEX_EVTBD_MASK)) ||
+ card->evtbd_rdptr, wrptr);
+ if (((wrptr & MWIFIEX_EVTBD_MASK) != (card->evtbd_rdptr
+ & MWIFIEX_EVTBD_MASK)) ||
((wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) ==
(card->evtbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) {
struct sk_buff *skb_cmd;
@@ -1230,13 +1232,14 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
if (rdptr >= MWIFIEX_MAX_EVT_BD) {
dev_err(adapter->dev, "event_complete: Invalid rdptr 0x%x\n",
- rdptr);
+ rdptr);
return -EINVAL;
}
/* Read the event ring write pointer set by firmware */
if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) {
- dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_WRPTR\n");
+ dev_err(adapter->dev,
+ "event_complete: failed to read REG_EVTBD_WRPTR\n");
return -1;
}
@@ -1249,9 +1252,9 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
card->evtbd_ring[rdptr]->flags = 0;
skb = NULL;
} else {
- dev_dbg(adapter->dev, "info: ERROR: Buffer is still valid at "
- "index %d, <%p, %p>\n", rdptr,
- card->evt_buf_list[rdptr], skb);
+ dev_dbg(adapter->dev,
+ "info: ERROR: buf still valid at index %d, <%p, %p>\n",
+ rdptr, card->evt_buf_list[rdptr], skb);
}
if ((++card->evtbd_rdptr & MWIFIEX_EVTBD_MASK) == MWIFIEX_MAX_EVT_BD) {
@@ -1261,11 +1264,12 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
}
dev_dbg(adapter->dev, "info: Updated <Rd: 0x%x, Wr: 0x%x>",
- card->evtbd_rdptr, wrptr);
+ card->evtbd_rdptr, wrptr);
/* Write the event ring read pointer in to REG_EVTBD_RDPTR */
if (mwifiex_write_reg(adapter, REG_EVTBD_RDPTR, card->evtbd_rdptr)) {
- dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_RDPTR\n");
+ dev_err(adapter->dev,
+ "event_complete: failed to read REG_EVTBD_RDPTR\n");
return -1;
}
@@ -1299,17 +1303,17 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
}
if (!firmware || !firmware_len) {
- dev_err(adapter->dev, "No firmware image found! "
- "Terminating download\n");
+ dev_err(adapter->dev,
+ "No firmware image found! Terminating download\n");
return -1;
}
dev_dbg(adapter->dev, "info: Downloading FW image (%d bytes)\n",
- firmware_len);
+ firmware_len);
if (mwifiex_pcie_disable_host_int(adapter)) {
- dev_err(adapter->dev, "%s: Disabling interrupts"
- " failed.\n", __func__);
+ dev_err(adapter->dev,
+ "%s: Disabling interrupts failed.\n", __func__);
return -1;
}
@@ -1332,19 +1336,20 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
ret = mwifiex_read_reg(adapter, PCIE_SCRATCH_2_REG,
&len);
if (ret) {
- dev_warn(adapter->dev, "Failed reading length from boot code\n");
+ dev_warn(adapter->dev,
+ "Failed reading len from boot code\n");
goto done;
}
if (len)
break;
- udelay(10);
+ usleep_range(10, 20);
}
if (!len) {
break;
} else if (len > MWIFIEX_UPLD_SIZE) {
pr_err("FW download failure @ %d, invalid length %d\n",
- offset, len);
+ offset, len);
ret = -1;
goto done;
}
@@ -1360,8 +1365,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
goto done;
}
dev_err(adapter->dev, "FW CRC error indicated by the "
- "helper: len = 0x%04X, txlen = "
- "%d\n", len, txlen);
+ "helper: len = 0x%04X, txlen = %d\n",
+ len, txlen);
len &= ~BIT(0);
/* Setting this to 0 to resend from same offset */
txlen = 0;
@@ -1374,9 +1379,9 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
dev_dbg(adapter->dev, ".");
- tx_blocks =
- (txlen + MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD - 1) /
- MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD;
+ tx_blocks = (txlen +
+ MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD - 1) /
+ MWIFIEX_PCIE_BLOCK_SIZE_FW_DNLD;
/* Copy payload to buffer */
memmove(skb->data, &firmware[offset], txlen);
@@ -1387,7 +1392,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
/* Send the boot command to device */
if (mwifiex_pcie_send_boot_cmd(adapter, skb)) {
- dev_err(adapter->dev, "Failed to send firmware download command\n");
+ dev_err(adapter->dev,
+ "Failed to send firmware download command\n");
ret = -1;
goto done;
}
@@ -1396,8 +1402,8 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
if (mwifiex_read_reg(adapter, PCIE_CPU_INT_STATUS,
&ireg_intr)) {
dev_err(adapter->dev, "%s: Failed to read "
- "interrupt status during "
- "fw dnld.\n", __func__);
+ "interrupt status during fw dnld.\n",
+ __func__);
ret = -1;
goto done;
}
@@ -1407,7 +1413,7 @@ static int mwifiex_prog_fw_w_helper(struct mwifiex_adapter *adapter,
} while (true);
dev_dbg(adapter->dev, "info:\nFW download over, size %d bytes\n",
- offset);
+ offset);
ret = 0;
@@ -1430,14 +1436,15 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num)
/* Mask spurios interrupts */
if (mwifiex_write_reg(adapter, PCIE_HOST_INT_STATUS_MASK,
- HOST_INTR_MASK)) {
+ HOST_INTR_MASK)) {
dev_warn(adapter->dev, "Write register failed\n");
return -1;
}
dev_dbg(adapter->dev, "Setting driver ready signature\n");
if (mwifiex_write_reg(adapter, REG_DRV_READY, FIRMWARE_READY_PCIE)) {
- dev_err(adapter->dev, "Failed to write driver ready signature\n");
+ dev_err(adapter->dev,
+ "Failed to write driver ready signature\n");
return -1;
}
@@ -1468,8 +1475,9 @@ mwifiex_check_fw_status(struct mwifiex_adapter *adapter, u32 poll_num)
adapter->winner = 1;
ret = -1;
} else {
- dev_err(adapter->dev, "PCI-E is not the winner <%#x, %d>, exit download\n",
- ret, adapter->winner);
+ dev_err(adapter->dev,
+ "PCI-E is not the winner <%#x,%d>, exit dnld\n",
+ ret, adapter->winner);
ret = 0;
}
}
@@ -1512,10 +1520,11 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter)
(adapter->ps_state == PS_STATE_SLEEP)) {
mwifiex_pcie_enable_host_int(adapter);
if (mwifiex_write_reg(adapter,
- PCIE_CPU_INT_EVENT,
- CPU_INTR_SLEEP_CFM_DONE)) {
- dev_warn(adapter->dev, "Write register"
- " failed\n");
+ PCIE_CPU_INT_EVENT,
+ CPU_INTR_SLEEP_CFM_DONE)
+ ) {
+ dev_warn(adapter->dev,
+ "Write register failed\n");
return;
}
@@ -1551,7 +1560,7 @@ static irqreturn_t mwifiex_pcie_interrupt(int irq, void *context)
card = (struct pcie_service_card *) pci_get_drvdata(pdev);
if (!card || !card->adapter) {
pr_debug("info: %s: card=%p adapter=%p\n", __func__, card,
- card ? card->adapter : NULL);
+ card ? card->adapter : NULL);
goto exit;
}
adapter = card->adapter;
@@ -1594,7 +1603,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (adapter->int_status & HOST_INTR_DNLD_DONE) {
adapter->int_status &= ~HOST_INTR_DNLD_DONE;
if (adapter->data_sent) {
- dev_dbg(adapter->dev, "info: DATA sent Interrupt\n");
+ dev_dbg(adapter->dev, "info: DATA sent intr\n");
adapter->data_sent = false;
}
}
@@ -1616,7 +1625,8 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (adapter->int_status & HOST_INTR_CMD_DONE) {
adapter->int_status &= ~HOST_INTR_CMD_DONE;
if (adapter->cmd_sent) {
- dev_dbg(adapter->dev, "info: CMD sent Interrupt\n");
+ dev_dbg(adapter->dev,
+ "info: CMD sent Interrupt\n");
adapter->cmd_sent = false;
}
/* Handle command response */
@@ -1628,15 +1638,17 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
if (mwifiex_pcie_ok_to_access_hw(adapter)) {
if (mwifiex_read_reg(adapter, PCIE_HOST_INT_STATUS,
&pcie_ireg)) {
- dev_warn(adapter->dev, "Read register failed\n");
+ dev_warn(adapter->dev,
+ "Read register failed\n");
return -1;
}
if ((pcie_ireg != 0xFFFFFFFF) && (pcie_ireg)) {
if (mwifiex_write_reg(adapter,
- PCIE_HOST_INT_STATUS, ~pcie_ireg)) {
- dev_warn(adapter->dev, "Write register"
- " failed\n");
+ PCIE_HOST_INT_STATUS,
+ ~pcie_ireg)) {
+ dev_warn(adapter->dev,
+ "Write register failed\n");
return -1;
}
adapter->int_status |= pcie_ireg;
@@ -1646,7 +1658,7 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
}
}
dev_dbg(adapter->dev, "info: cmd_sent=%d data_sent=%d\n",
- adapter->cmd_sent, adapter->data_sent);
+ adapter->cmd_sent, adapter->data_sent);
mwifiex_pcie_enable_host_int(adapter);
return 0;
@@ -1737,8 +1749,9 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter)
goto err_iomap2;
}
- dev_dbg(adapter->dev, "PCI memory map Virt0: %p PCI memory map Virt2: "
- "%p\n", card->pci_mmap, card->pci_mmap1);
+ dev_dbg(adapter->dev,
+ "PCI memory map Virt0: %p PCI memory map Virt2: %p\n",
+ card->pci_mmap, card->pci_mmap1);
card->cmdrsp_buf = NULL;
ret = mwifiex_pcie_create_txbd_ring(adapter);
@@ -1808,7 +1821,8 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter)
dev_dbg(adapter->dev, "Clearing driver ready signature\n");
if (user_rmmod) {
if (mwifiex_write_reg(adapter, REG_DRV_READY, 0x00000000))
- dev_err(adapter->dev, "Failed to write driver not-ready signature\n");
+ dev_err(adapter->dev,
+ "Failed to write driver not-ready signature\n");
}
if (pdev) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.