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-rw-r--r--drivers/bluetooth/Kconfig6
-rw-r--r--drivers/bluetooth/btintel.c2
-rw-r--r--drivers/bluetooth/btintel_pcie.c557
-rw-r--r--drivers/bluetooth/btintel_pcie.h6
-rw-r--r--drivers/bluetooth/btmtkuart.c2
-rw-r--r--drivers/bluetooth/btnxpuart.c139
-rw-r--r--drivers/bluetooth/btrtl.c2
-rw-r--r--drivers/bluetooth/btusb.c128
-rw-r--r--drivers/bluetooth/hci_bcm4377.c2
-rw-r--r--drivers/bluetooth/hci_qca.c1
-rw-r--r--drivers/bluetooth/hci_uart.h8
11 files changed, 581 insertions, 272 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 4ab32abf0f48..7df69ccb6600 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -312,7 +312,9 @@ config BT_HCIBCM4377
config BT_HCIBPA10X
tristate "HCI BPA10x USB driver"
+ depends on BT_HCIUART
depends on USB
+ select BT_HCIUART_H4
help
Bluetooth HCI BPA10x USB driver.
This driver provides support for the Digianswer BPA 100/105 Bluetooth
@@ -437,8 +439,10 @@ config BT_MTKSDIO
config BT_MTKUART
tristate "MediaTek HCI UART driver"
+ depends on BT_HCIUART
depends on SERIAL_DEV_BUS
depends on USB || !BT_HCIBTUSB_MTK
+ select BT_HCIUART_H4
select BT_MTK
help
MediaTek Bluetooth HCI UART driver.
@@ -483,7 +487,9 @@ config BT_VIRTIO
config BT_NXPUART
tristate "NXP protocol support"
+ depends on BT_HCIUART
depends on SERIAL_DEV_BUS
+ select BT_HCIUART_H4
select CRC32
select CRC8
help
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 6aceecf5a13d..be69d21c9aa7 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -555,7 +555,7 @@ int btintel_parse_version_tlv(struct hci_dev *hdev,
/* Consume Command Complete Status field */
skb_pull(skb, 1);
- /* Event parameters contatin multiple TLVs. Read each of them
+ /* Event parameters contain multiple TLVs. Read each of them
* and only keep the required data. Also, it use existing legacy
* version field like hw_platform, hw_variant, and fw_variant
* to keep the existing setup flow
diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index 7f789937a764..585de143ab25 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -15,6 +15,7 @@
#include <linux/interrupt.h>
#include <linux/unaligned.h>
+#include <linux/devcoredump.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -35,12 +36,20 @@
/* Intel Bluetooth PCIe device id table */
static const struct pci_device_id btintel_pcie_table[] = {
+ { BTINTEL_PCI_DEVICE(0x4D76, PCI_ANY_ID) },
{ BTINTEL_PCI_DEVICE(0xA876, PCI_ANY_ID) },
{ BTINTEL_PCI_DEVICE(0xE476, PCI_ANY_ID) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, btintel_pcie_table);
+struct btintel_pcie_dev_recovery {
+ struct list_head list;
+ u8 count;
+ time64_t last_error;
+ char name[];
+};
+
/* Intel PCIe uses 4 bytes of HCI type instead of 1 byte BT SIG HCI type */
#define BTINTEL_PCIE_HCI_TYPE_LEN 4
#define BTINTEL_PCIE_HCI_CMD_PKT 0x00000001
@@ -62,6 +71,9 @@ MODULE_DEVICE_TABLE(pci, btintel_pcie_table);
#define BTINTEL_PCIE_TRIGGER_REASON_USER_TRIGGER 0x17A2
#define BTINTEL_PCIE_TRIGGER_REASON_FW_ASSERT 0x1E61
+#define BTINTEL_PCIE_RESET_WINDOW_SECS 5
+#define BTINTEL_PCIE_FLR_MAX_RETRY 1
+
/* Alive interrupt context */
enum {
BTINTEL_PCIE_ROM,
@@ -99,6 +111,36 @@ struct btintel_pcie_dbgc_ctxt {
struct btintel_pcie_dbgc_ctxt_buf bufs[BTINTEL_PCIE_DBGC_BUFFER_COUNT];
};
+struct btintel_pcie_removal {
+ struct pci_dev *pdev;
+ struct work_struct work;
+};
+
+static LIST_HEAD(btintel_pcie_recovery_list);
+static DEFINE_SPINLOCK(btintel_pcie_recovery_lock);
+
+static inline char *btintel_pcie_alivectxt_state2str(u32 alive_intr_ctxt)
+{
+ switch (alive_intr_ctxt) {
+ case BTINTEL_PCIE_ROM:
+ return "rom";
+ case BTINTEL_PCIE_FW_DL:
+ return "fw_dl";
+ case BTINTEL_PCIE_D0:
+ return "d0";
+ case BTINTEL_PCIE_D3:
+ return "d3";
+ case BTINTEL_PCIE_HCI_RESET:
+ return "hci_reset";
+ case BTINTEL_PCIE_INTEL_HCI_RESET1:
+ return "intel_reset1";
+ case BTINTEL_PCIE_INTEL_HCI_RESET2:
+ return "intel_reset2";
+ default:
+ return "unknown";
+ }
+}
+
/* This function initializes the memory for DBGC buffers and formats the
* DBGC fragment which consists header info and DBGC buffer's LSB, MSB and
* size as the payload
@@ -299,10 +341,14 @@ static inline void btintel_pcie_dump_debug_registers(struct hci_dev *hdev)
}
static int btintel_pcie_send_sync(struct btintel_pcie_data *data,
- struct sk_buff *skb)
+ struct sk_buff *skb, u32 pkt_type, u16 opcode)
{
int ret;
u16 tfd_index;
+ u32 old_ctxt;
+ bool wait_on_alive = false;
+ struct hci_dev *hdev = data->hdev;
+
struct txq *txq = &data->txq;
tfd_index = data->ia.tr_hia[BTINTEL_PCIE_TXQ_NUM];
@@ -310,6 +356,26 @@ static int btintel_pcie_send_sync(struct btintel_pcie_data *data,
if (tfd_index > txq->count)
return -ERANGE;
+ /* Firmware raises alive interrupt on HCI_OP_RESET or
+ * BTINTEL_HCI_OP_RESET
+ */
+ wait_on_alive = (pkt_type == BTINTEL_PCIE_HCI_CMD_PKT &&
+ (opcode == BTINTEL_HCI_OP_RESET || opcode == HCI_OP_RESET));
+
+ if (wait_on_alive) {
+ data->gp0_received = false;
+ old_ctxt = data->alive_intr_ctxt;
+ data->alive_intr_ctxt =
+ (opcode == BTINTEL_HCI_OP_RESET ? BTINTEL_PCIE_INTEL_HCI_RESET1 :
+ BTINTEL_PCIE_HCI_RESET);
+ bt_dev_dbg(data->hdev, "sending cmd: 0x%4.4x alive context changed: %s -> %s",
+ opcode, btintel_pcie_alivectxt_state2str(old_ctxt),
+ btintel_pcie_alivectxt_state2str(data->alive_intr_ctxt));
+ }
+
+ memcpy(skb_push(skb, BTINTEL_PCIE_HCI_TYPE_LEN), &pkt_type,
+ BTINTEL_PCIE_HCI_TYPE_LEN);
+
/* Prepare for TX. It updates the TFD with the length of data and
* address of the DMA buffer, and copy the data to the DMA buffer
*/
@@ -328,11 +394,24 @@ static int btintel_pcie_send_sync(struct btintel_pcie_data *data,
ret = wait_event_timeout(data->tx_wait_q, data->tx_wait_done,
msecs_to_jiffies(BTINTEL_PCIE_TX_WAIT_TIMEOUT_MS));
if (!ret) {
- bt_dev_err(data->hdev, "tx completion timeout");
+ bt_dev_err(data->hdev, "Timeout (%u ms) on tx completion",
+ BTINTEL_PCIE_TX_WAIT_TIMEOUT_MS);
btintel_pcie_dump_debug_registers(data->hdev);
return -ETIME;
}
+ if (wait_on_alive) {
+ ret = wait_event_timeout(data->gp0_wait_q,
+ data->gp0_received,
+ msecs_to_jiffies(BTINTEL_DEFAULT_INTR_TIMEOUT_MS));
+ if (!ret) {
+ hdev->stat.err_tx++;
+ bt_dev_err(hdev, "Timeout (%u ms) on alive interrupt, alive context: %s",
+ BTINTEL_DEFAULT_INTR_TIMEOUT_MS,
+ btintel_pcie_alivectxt_state2str(data->alive_intr_ctxt));
+ return -ETIME;
+ }
+ }
return 0;
}
@@ -476,25 +555,6 @@ static void btintel_pcie_mac_init(struct btintel_pcie_data *data)
btintel_pcie_wr_reg32(data, BTINTEL_PCIE_CSR_FUNC_CTRL_REG, reg);
}
-static int btintel_pcie_add_dmp_data(struct hci_dev *hdev, const void *data, int size)
-{
- struct sk_buff *skb;
- int err;
-
- skb = alloc_skb(size, GFP_ATOMIC);
- if (!skb)
- return -ENOMEM;
-
- skb_put_data(skb, data, size);
- err = hci_devcd_append(hdev, skb);
- if (err) {
- bt_dev_err(hdev, "Failed to append data in the coredump");
- return err;
- }
-
- return 0;
-}
-
static int btintel_pcie_get_mac_access(struct btintel_pcie_data *data)
{
u32 reg;
@@ -539,30 +599,35 @@ static void btintel_pcie_release_mac_access(struct btintel_pcie_data *data)
btintel_pcie_wr_reg32(data, BTINTEL_PCIE_CSR_FUNC_CTRL_REG, reg);
}
-static void btintel_pcie_copy_tlv(struct sk_buff *skb, enum btintel_pcie_tlv_type type,
- void *data, int size)
+static void *btintel_pcie_copy_tlv(void *dest, enum btintel_pcie_tlv_type type,
+ void *data, size_t size)
{
struct intel_tlv *tlv;
- tlv = skb_put(skb, sizeof(*tlv) + size);
+ tlv = dest;
tlv->type = type;
tlv->len = size;
memcpy(tlv->val, data, tlv->len);
+ return dest + sizeof(*tlv) + size;
}
static int btintel_pcie_read_dram_buffers(struct btintel_pcie_data *data)
{
- u32 offset, prev_size, wr_ptr_status, dump_size, i;
+ u32 offset, prev_size, wr_ptr_status, dump_size, data_len;
struct btintel_pcie_dbgc *dbgc = &data->dbgc;
- u8 buf_idx, dump_time_len, fw_build;
struct hci_dev *hdev = data->hdev;
+ u8 *pdata, *p, buf_idx;
struct intel_tlv *tlv;
struct timespec64 now;
- struct sk_buff *skb;
struct tm tm_now;
- char buf[256];
- u16 hdr_len;
- int ret;
+ char fw_build[128];
+ char ts[128];
+ char vendor[64];
+ char driver[64];
+
+ if (!IS_ENABLED(CONFIG_DEV_COREDUMP))
+ return -EOPNOTSUPP;
+
wr_ptr_status = btintel_pcie_rd_dev_mem(data, BTINTEL_PCIE_DBGC_CUR_DBGBUFF_STATUS);
offset = wr_ptr_status & BTINTEL_PCIE_DBG_OFFSET_BIT_MASK;
@@ -579,88 +644,84 @@ static int btintel_pcie_read_dram_buffers(struct btintel_pcie_data *data)
else
return -EINVAL;
+ snprintf(vendor, sizeof(vendor), "Vendor: Intel\n");
+ snprintf(driver, sizeof(driver), "Driver: %s\n",
+ data->dmp_hdr.driver_name);
+
ktime_get_real_ts64(&now);
time64_to_tm(now.tv_sec, 0, &tm_now);
- dump_time_len = snprintf(buf, sizeof(buf), "Dump Time: %02d-%02d-%04ld %02d:%02d:%02d",
+ snprintf(ts, sizeof(ts), "Dump Time: %02d-%02d-%04ld %02d:%02d:%02d",
tm_now.tm_mday, tm_now.tm_mon + 1, tm_now.tm_year + 1900,
tm_now.tm_hour, tm_now.tm_min, tm_now.tm_sec);
- fw_build = snprintf(buf + dump_time_len, sizeof(buf) - dump_time_len,
+ snprintf(fw_build, sizeof(fw_build),
"Firmware Timestamp: Year %u WW %02u buildtype %u build %u",
2000 + (data->dmp_hdr.fw_timestamp >> 8),
data->dmp_hdr.fw_timestamp & 0xff, data->dmp_hdr.fw_build_type,
data->dmp_hdr.fw_build_num);
- hdr_len = sizeof(*tlv) + sizeof(data->dmp_hdr.cnvi_bt) +
- sizeof(*tlv) + sizeof(data->dmp_hdr.write_ptr) +
- sizeof(*tlv) + sizeof(data->dmp_hdr.wrap_ctr) +
- sizeof(*tlv) + sizeof(data->dmp_hdr.trigger_reason) +
- sizeof(*tlv) + sizeof(data->dmp_hdr.fw_git_sha1) +
- sizeof(*tlv) + sizeof(data->dmp_hdr.cnvr_top) +
- sizeof(*tlv) + sizeof(data->dmp_hdr.cnvi_top) +
- sizeof(*tlv) + dump_time_len +
- sizeof(*tlv) + fw_build;
+ data_len = sizeof(*tlv) + sizeof(data->dmp_hdr.cnvi_bt) +
+ sizeof(*tlv) + sizeof(data->dmp_hdr.write_ptr) +
+ sizeof(*tlv) + sizeof(data->dmp_hdr.wrap_ctr) +
+ sizeof(*tlv) + sizeof(data->dmp_hdr.trigger_reason) +
+ sizeof(*tlv) + sizeof(data->dmp_hdr.fw_git_sha1) +
+ sizeof(*tlv) + sizeof(data->dmp_hdr.cnvr_top) +
+ sizeof(*tlv) + sizeof(data->dmp_hdr.cnvi_top) +
+ sizeof(*tlv) + strlen(ts) +
+ sizeof(*tlv) + strlen(fw_build) +
+ sizeof(*tlv) + strlen(vendor) +
+ sizeof(*tlv) + strlen(driver);
- dump_size = hdr_len + sizeof(hdr_len);
+ /*
+ * sizeof(u32) - signature
+ * sizeof(data_len) - to store tlv data size
+ * data_len - TLV data
+ */
+ dump_size = sizeof(u32) + sizeof(data_len) + data_len;
- skb = alloc_skb(dump_size, GFP_KERNEL);
- if (!skb)
- return -ENOMEM;
/* Add debug buffers data length to dump size */
dump_size += BTINTEL_PCIE_DBGC_BUFFER_SIZE * dbgc->count;
- ret = hci_devcd_init(hdev, dump_size);
- if (ret) {
- bt_dev_err(hdev, "Failed to init devcoredump, err %d", ret);
- kfree_skb(skb);
- return ret;
- }
+ pdata = vmalloc(dump_size);
+ if (!pdata)
+ return -ENOMEM;
+ p = pdata;
+
+ *(u32 *)p = BTINTEL_PCIE_MAGIC_NUM;
+ p += sizeof(u32);
- skb_put_data(skb, &hdr_len, sizeof(hdr_len));
+ *(u32 *)p = data_len;
+ p += sizeof(u32);
- btintel_pcie_copy_tlv(skb, BTINTEL_CNVI_BT, &data->dmp_hdr.cnvi_bt,
- sizeof(data->dmp_hdr.cnvi_bt));
- btintel_pcie_copy_tlv(skb, BTINTEL_WRITE_PTR, &data->dmp_hdr.write_ptr,
- sizeof(data->dmp_hdr.write_ptr));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_VENDOR, vendor, strlen(vendor));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_DRIVER, driver, strlen(driver));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_DUMP_TIME, ts, strlen(ts));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_FW_BUILD, fw_build,
+ strlen(fw_build));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_CNVI_BT, &data->dmp_hdr.cnvi_bt,
+ sizeof(data->dmp_hdr.cnvi_bt));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_WRITE_PTR, &data->dmp_hdr.write_ptr,
+ sizeof(data->dmp_hdr.write_ptr));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_WRAP_CTR, &data->dmp_hdr.wrap_ctr,
+ sizeof(data->dmp_hdr.wrap_ctr));
data->dmp_hdr.wrap_ctr = btintel_pcie_rd_dev_mem(data,
BTINTEL_PCIE_DBGC_DBGBUFF_WRAP_ARND);
- btintel_pcie_copy_tlv(skb, BTINTEL_WRAP_CTR, &data->dmp_hdr.wrap_ctr,
- sizeof(data->dmp_hdr.wrap_ctr));
-
- btintel_pcie_copy_tlv(skb, BTINTEL_TRIGGER_REASON, &data->dmp_hdr.trigger_reason,
- sizeof(data->dmp_hdr.trigger_reason));
-
- btintel_pcie_copy_tlv(skb, BTINTEL_FW_SHA, &data->dmp_hdr.fw_git_sha1,
- sizeof(data->dmp_hdr.fw_git_sha1));
-
- btintel_pcie_copy_tlv(skb, BTINTEL_CNVR_TOP, &data->dmp_hdr.cnvr_top,
- sizeof(data->dmp_hdr.cnvr_top));
-
- btintel_pcie_copy_tlv(skb, BTINTEL_CNVI_TOP, &data->dmp_hdr.cnvi_top,
- sizeof(data->dmp_hdr.cnvi_top));
-
- btintel_pcie_copy_tlv(skb, BTINTEL_DUMP_TIME, buf, dump_time_len);
-
- btintel_pcie_copy_tlv(skb, BTINTEL_FW_BUILD, buf + dump_time_len, fw_build);
-
- ret = hci_devcd_append(hdev, skb);
- if (ret)
- goto exit_err;
-
- for (i = 0; i < dbgc->count; i++) {
- ret = btintel_pcie_add_dmp_data(hdev, dbgc->bufs[i].data,
- BTINTEL_PCIE_DBGC_BUFFER_SIZE);
- if (ret)
- break;
- }
-
-exit_err:
- hci_devcd_complete(hdev);
- return ret;
+ p = btintel_pcie_copy_tlv(p, BTINTEL_TRIGGER_REASON, &data->dmp_hdr.trigger_reason,
+ sizeof(data->dmp_hdr.trigger_reason));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_FW_SHA, &data->dmp_hdr.fw_git_sha1,
+ sizeof(data->dmp_hdr.fw_git_sha1));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_CNVR_TOP, &data->dmp_hdr.cnvr_top,
+ sizeof(data->dmp_hdr.cnvr_top));
+ p = btintel_pcie_copy_tlv(p, BTINTEL_CNVI_TOP, &data->dmp_hdr.cnvi_top,
+ sizeof(data->dmp_hdr.cnvi_top));
+
+ memcpy(p, dbgc->bufs[0].data, dbgc->count * BTINTEL_PCIE_DBGC_BUFFER_SIZE);
+ dev_coredumpv(&hdev->dev, pdata, dump_size, GFP_KERNEL);
+ return 0;
}
static void btintel_pcie_dump_traces(struct hci_dev *hdev)
@@ -682,51 +743,6 @@ static void btintel_pcie_dump_traces(struct hci_dev *hdev)
bt_dev_err(hdev, "Failed to dump traces: (%d)", ret);
}
-static void btintel_pcie_dump_hdr(struct hci_dev *hdev, struct sk_buff *skb)
-{
- struct btintel_pcie_data *data = hci_get_drvdata(hdev);
- u16 len = skb->len;
- u16 *hdrlen_ptr;
- char buf[80];
-
- hdrlen_ptr = skb_put_zero(skb, sizeof(len));
-
- snprintf(buf, sizeof(buf), "Controller Name: 0x%X\n",
- INTEL_HW_VARIANT(data->dmp_hdr.cnvi_bt));
- skb_put_data(skb, buf, strlen(buf));
-
- snprintf(buf, sizeof(buf), "Firmware Build Number: %u\n",
- data->dmp_hdr.fw_build_num);
- skb_put_data(skb, buf, strlen(buf));
-
- snprintf(buf, sizeof(buf), "Driver: %s\n", data->dmp_hdr.driver_name);
- skb_put_data(skb, buf, strlen(buf));
-
- snprintf(buf, sizeof(buf), "Vendor: Intel\n");
- skb_put_data(skb, buf, strlen(buf));
-
- *hdrlen_ptr = skb->len - len;
-}
-
-static void btintel_pcie_dump_notify(struct hci_dev *hdev, int state)
-{
- struct btintel_pcie_data *data = hci_get_drvdata(hdev);
-
- switch (state) {
- case HCI_DEVCOREDUMP_IDLE:
- data->dmp_hdr.state = HCI_DEVCOREDUMP_IDLE;
- break;
- case HCI_DEVCOREDUMP_ACTIVE:
- data->dmp_hdr.state = HCI_DEVCOREDUMP_ACTIVE;
- break;
- case HCI_DEVCOREDUMP_TIMEOUT:
- case HCI_DEVCOREDUMP_ABORT:
- case HCI_DEVCOREDUMP_DONE:
- data->dmp_hdr.state = HCI_DEVCOREDUMP_IDLE;
- break;
- }
-}
-
/* This function enables BT function by setting BTINTEL_PCIE_CSR_FUNC_CTRL_MAC_INIT bit in
* BTINTEL_PCIE_CSR_FUNC_CTRL_REG register and wait for MSI-X with
* BTINTEL_PCIE_MSIX_HW_INT_CAUSES_GP0.
@@ -811,28 +827,6 @@ static void btintel_pcie_wr_sleep_cntrl(struct btintel_pcie_data *data,
btintel_pcie_wr_reg32(data, BTINTEL_PCIE_CSR_IPC_SLEEP_CTL_REG, dxstate);
}
-static inline char *btintel_pcie_alivectxt_state2str(u32 alive_intr_ctxt)
-{
- switch (alive_intr_ctxt) {
- case BTINTEL_PCIE_ROM:
- return "rom";
- case BTINTEL_PCIE_FW_DL:
- return "fw_dl";
- case BTINTEL_PCIE_D0:
- return "d0";
- case BTINTEL_PCIE_D3:
- return "d3";
- case BTINTEL_PCIE_HCI_RESET:
- return "hci_reset";
- case BTINTEL_PCIE_INTEL_HCI_RESET1:
- return "intel_reset1";
- case BTINTEL_PCIE_INTEL_HCI_RESET2:
- return "intel_reset2";
- default:
- return "unknown";
- }
-}
-
static int btintel_pcie_read_device_mem(struct btintel_pcie_data *data,
void *buf, u32 dev_addr, int len)
{
@@ -1322,6 +1316,11 @@ static void btintel_pcie_rx_work(struct work_struct *work)
struct btintel_pcie_data, rx_work);
struct sk_buff *skb;
+ if (test_bit(BTINTEL_PCIE_COREDUMP_INPROGRESS, &data->flags)) {
+ btintel_pcie_dump_traces(data->hdev);
+ clear_bit(BTINTEL_PCIE_COREDUMP_INPROGRESS, &data->flags);
+ }
+
if (test_bit(BTINTEL_PCIE_HWEXP_INPROGRESS, &data->flags)) {
/* Unlike usb products, controller will not send hardware
* exception event on exception. Instead controller writes the
@@ -1334,11 +1333,6 @@ static void btintel_pcie_rx_work(struct work_struct *work)
clear_bit(BTINTEL_PCIE_HWEXP_INPROGRESS, &data->flags);
}
- if (test_bit(BTINTEL_PCIE_COREDUMP_INPROGRESS, &data->flags)) {
- btintel_pcie_dump_traces(data->hdev);
- clear_bit(BTINTEL_PCIE_COREDUMP_INPROGRESS, &data->flags);
- }
-
/* Process the sk_buf in queue and send to the HCI layer */
while ((skb = skb_dequeue(&data->rx_skb_q))) {
btintel_pcie_recv_frame(data, skb);
@@ -1932,7 +1926,9 @@ static int btintel_pcie_send_frame(struct hci_dev *hdev,
__u16 opcode = ~0;
int ret;
u32 type;
- u32 old_ctxt;
+
+ if (test_bit(BTINTEL_PCIE_CORE_HALTED, &data->flags))
+ return -ENODEV;
/* Due to the fw limitation, the type header of the packet should be
* 4 bytes unlike 1 byte for UART. In UART, the firmware can read
@@ -1966,12 +1962,6 @@ static int btintel_pcie_send_frame(struct hci_dev *hdev,
btintel_pcie_inject_cmd_complete(hdev, opcode);
}
- /* Firmware raises alive interrupt on HCI_OP_RESET or
- * BTINTEL_HCI_OP_RESET
- */
- if (opcode == HCI_OP_RESET || opcode == BTINTEL_HCI_OP_RESET)
- data->gp0_received = false;
-
hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
@@ -1989,37 +1979,14 @@ static int btintel_pcie_send_frame(struct hci_dev *hdev,
bt_dev_err(hdev, "Unknown HCI packet type");
return -EILSEQ;
}
- memcpy(skb_push(skb, BTINTEL_PCIE_HCI_TYPE_LEN), &type,
- BTINTEL_PCIE_HCI_TYPE_LEN);
- ret = btintel_pcie_send_sync(data, skb);
+ ret = btintel_pcie_send_sync(data, skb, type, opcode);
if (ret) {
hdev->stat.err_tx++;
bt_dev_err(hdev, "Failed to send frame (%d)", ret);
goto exit_error;
}
- if (type == BTINTEL_PCIE_HCI_CMD_PKT &&
- (opcode == HCI_OP_RESET || opcode == BTINTEL_HCI_OP_RESET)) {
- old_ctxt = data->alive_intr_ctxt;
- data->alive_intr_ctxt =
- (opcode == BTINTEL_HCI_OP_RESET ? BTINTEL_PCIE_INTEL_HCI_RESET1 :
- BTINTEL_PCIE_HCI_RESET);
- bt_dev_dbg(data->hdev, "sent cmd: 0x%4.4x alive context changed: %s -> %s",
- opcode, btintel_pcie_alivectxt_state2str(old_ctxt),
- btintel_pcie_alivectxt_state2str(data->alive_intr_ctxt));
- ret = wait_event_timeout(data->gp0_wait_q,
- data->gp0_received,
- msecs_to_jiffies(BTINTEL_DEFAULT_INTR_TIMEOUT_MS));
- if (!ret) {
- hdev->stat.err_tx++;
- bt_dev_err(hdev, "Timeout on alive interrupt (%u ms). Alive context: %s",
- BTINTEL_DEFAULT_INTR_TIMEOUT_MS,
- btintel_pcie_alivectxt_state2str(data->alive_intr_ctxt));
- ret = -ETIME;
- goto exit_error;
- }
- }
hdev->stat.byte_tx += skb->len;
kfree_skb(skb);
@@ -2155,13 +2122,6 @@ static int btintel_pcie_setup_internal(struct hci_dev *hdev)
if (ver_tlv.img_type == 0x02 || ver_tlv.img_type == 0x03)
data->dmp_hdr.fw_git_sha1 = ver_tlv.git_sha1;
- err = hci_devcd_register(hdev, btintel_pcie_dump_traces, btintel_pcie_dump_hdr,
- btintel_pcie_dump_notify);
- if (err) {
- bt_dev_err(hdev, "Failed to register coredump (%d)", err);
- goto exit_error;
- }
-
btintel_print_fseq_info(hdev);
exit_error:
kfree_skb(skb);
@@ -2196,9 +2156,190 @@ static int btintel_pcie_setup(struct hci_dev *hdev)
}
btintel_pcie_start_rx(data);
}
+
+ if (!err)
+ set_bit(BTINTEL_PCIE_SETUP_DONE, &data->flags);
return err;
}
+static struct btintel_pcie_dev_recovery *
+btintel_pcie_get_recovery(struct pci_dev *pdev, struct device *dev)
+{
+ struct btintel_pcie_dev_recovery *tmp, *data = NULL;
+ const char *name = pci_name(pdev);
+ struct hci_dev *hdev = to_hci_dev(dev);
+
+ spin_lock(&btintel_pcie_recovery_lock);
+ list_for_each_entry(tmp, &btintel_pcie_recovery_list, list) {
+ if (strcmp(tmp->name, name))
+ continue;
+ data = tmp;
+ break;
+ }
+ spin_unlock(&btintel_pcie_recovery_lock);
+
+ if (data) {
+ bt_dev_dbg(hdev, "Found restart data for BDF: %s", data->name);
+ return data;
+ }
+
+ data = kzalloc(struct_size(data, name, strlen(name) + 1), GFP_ATOMIC);
+ if (!data)
+ return NULL;
+
+ strscpy_pad(data->name, name, strlen(name) + 1);
+ spin_lock(&btintel_pcie_recovery_lock);
+ list_add_tail(&data->list, &btintel_pcie_recovery_list);
+ spin_unlock(&btintel_pcie_recovery_lock);
+
+ return data;
+}
+
+static void btintel_pcie_free_restart_list(void)
+{
+ struct btintel_pcie_dev_recovery *tmp;
+
+ while ((tmp = list_first_entry_or_null(&btintel_pcie_recovery_list,
+ typeof(*tmp), list))) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+}
+
+static void btintel_pcie_inc_recovery_count(struct pci_dev *pdev,
+ struct device *dev)
+{
+ struct btintel_pcie_dev_recovery *data;
+ time64_t retry_window;
+
+ data = btintel_pcie_get_recovery(pdev, dev);
+ if (!data)
+ return;
+
+ retry_window = ktime_get_boottime_seconds() - data->last_error;
+ if (data->count == 0) {
+ data->last_error = ktime_get_boottime_seconds();
+ data->count++;
+ } else if (retry_window < BTINTEL_PCIE_RESET_WINDOW_SECS &&
+ data->count <= BTINTEL_PCIE_FLR_MAX_RETRY) {
+ data->count++;
+ } else if (retry_window > BTINTEL_PCIE_RESET_WINDOW_SECS) {
+ data->last_error = 0;
+ data->count = 0;
+ }
+}
+
+static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data);
+
+static void btintel_pcie_removal_work(struct work_struct *wk)
+{
+ struct btintel_pcie_removal *removal =
+ container_of(wk, struct btintel_pcie_removal, work);
+ struct pci_dev *pdev = removal->pdev;
+ struct btintel_pcie_data *data;
+ int err;
+
+ pci_lock_rescan_remove();
+
+ if (!pdev->bus)
+ goto error;
+
+ data = pci_get_drvdata(pdev);
+
+ btintel_pcie_disable_interrupts(data);
+ btintel_pcie_synchronize_irqs(data);
+
+ flush_work(&data->rx_work);
+
+ bt_dev_dbg(data->hdev, "Release bluetooth interface");
+ btintel_pcie_release_hdev(data);
+
+ err = pci_reset_function(pdev);
+ if (err) {
+ BT_ERR("Failed resetting the pcie device (%d)", err);
+ goto error;
+ }
+
+ btintel_pcie_enable_interrupts(data);
+ btintel_pcie_config_msix(data);
+
+ err = btintel_pcie_enable_bt(data);
+ if (err) {
+ BT_ERR("Failed to enable bluetooth hardware after reset (%d)",
+ err);
+ goto error;
+ }
+
+ btintel_pcie_reset_ia(data);
+ btintel_pcie_start_rx(data);
+ data->flags = 0;
+
+ err = btintel_pcie_setup_hdev(data);
+ if (err) {
+ BT_ERR("Failed registering hdev (%d)", err);
+ goto error;
+ }
+error:
+ pci_dev_put(pdev);
+ pci_unlock_rescan_remove();
+ kfree(removal);
+}
+
+static void btintel_pcie_reset(struct hci_dev *hdev)
+{
+ struct btintel_pcie_removal *removal;
+ struct btintel_pcie_data *data;
+
+ data = hci_get_drvdata(hdev);
+
+ if (!test_bit(BTINTEL_PCIE_SETUP_DONE, &data->flags))
+ return;
+
+ if (test_and_set_bit(BTINTEL_PCIE_RECOVERY_IN_PROGRESS, &data->flags))
+ return;
+
+ removal = kzalloc(sizeof(*removal), GFP_ATOMIC);
+ if (!removal)
+ return;
+
+ removal->pdev = data->pdev;
+ INIT_WORK(&removal->work, btintel_pcie_removal_work);
+ pci_dev_get(removal->pdev);
+ schedule_work(&removal->work);
+}
+
+static void btintel_pcie_hw_error(struct hci_dev *hdev, u8 code)
+{
+ struct btintel_pcie_dev_recovery *data;
+ struct btintel_pcie_data *dev_data = hci_get_drvdata(hdev);
+ struct pci_dev *pdev = dev_data->pdev;
+ time64_t retry_window;
+
+ if (code == 0x13) {
+ bt_dev_err(hdev, "Encountered top exception");
+ return;
+ }
+
+ data = btintel_pcie_get_recovery(pdev, &hdev->dev);
+ if (!data)
+ return;
+
+ retry_window = ktime_get_boottime_seconds() - data->last_error;
+
+ if (retry_window < BTINTEL_PCIE_RESET_WINDOW_SECS &&
+ data->count >= BTINTEL_PCIE_FLR_MAX_RETRY) {
+ bt_dev_err(hdev, "Exhausted maximum: %d recovery attempts: %d",
+ BTINTEL_PCIE_FLR_MAX_RETRY, data->count);
+ bt_dev_dbg(hdev, "Boot time: %lld seconds",
+ ktime_get_boottime_seconds());
+ bt_dev_dbg(hdev, "last error at: %lld seconds",
+ data->last_error);
+ return;
+ }
+ btintel_pcie_inc_recovery_count(pdev, &hdev->dev);
+ btintel_pcie_reset(hdev);
+}
+
static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data)
{
int err;
@@ -2220,9 +2361,10 @@ static int btintel_pcie_setup_hdev(struct btintel_pcie_data *data)
hdev->send = btintel_pcie_send_frame;
hdev->setup = btintel_pcie_setup;
hdev->shutdown = btintel_shutdown_combined;
- hdev->hw_error = btintel_hw_error;
+ hdev->hw_error = btintel_pcie_hw_error;
hdev->set_diag = btintel_set_diag;
hdev->set_bdaddr = btintel_set_bdaddr;
+ hdev->reset = btintel_pcie_reset;
err = hci_register_dev(hdev);
if (err < 0) {
@@ -2370,7 +2512,20 @@ static struct pci_driver btintel_pcie_driver = {
.driver.coredump = btintel_pcie_coredump
#endif
};
-module_pci_driver(btintel_pcie_driver);
+
+static int __init btintel_pcie_init(void)
+{
+ return pci_register_driver(&btintel_pcie_driver);
+}
+
+static void __exit btintel_pcie_exit(void)
+{
+ pci_unregister_driver(&btintel_pcie_driver);
+ btintel_pcie_free_restart_list();
+}
+
+module_init(btintel_pcie_init);
+module_exit(btintel_pcie_exit);
MODULE_AUTHOR("Tedd Ho-Jeong An <tedd.an@intel.com>");
MODULE_DESCRIPTION("Intel Bluetooth PCIe transport driver ver " VERSION);
diff --git a/drivers/bluetooth/btintel_pcie.h b/drivers/bluetooth/btintel_pcie.h
index 7dad4523236c..04b21f968ad3 100644
--- a/drivers/bluetooth/btintel_pcie.h
+++ b/drivers/bluetooth/btintel_pcie.h
@@ -117,7 +117,9 @@ enum {
enum {
BTINTEL_PCIE_CORE_HALTED,
BTINTEL_PCIE_HWEXP_INPROGRESS,
- BTINTEL_PCIE_COREDUMP_INPROGRESS
+ BTINTEL_PCIE_COREDUMP_INPROGRESS,
+ BTINTEL_PCIE_RECOVERY_IN_PROGRESS,
+ BTINTEL_PCIE_SETUP_DONE
};
enum btintel_pcie_tlv_type {
@@ -130,6 +132,8 @@ enum btintel_pcie_tlv_type {
BTINTEL_CNVI_TOP,
BTINTEL_DUMP_TIME,
BTINTEL_FW_BUILD,
+ BTINTEL_VENDOR,
+ BTINTEL_DRIVER
};
/* causes for the MBOX interrupts */
diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c
index 51400a891f6e..76995cfcd534 100644
--- a/drivers/bluetooth/btmtkuart.c
+++ b/drivers/bluetooth/btmtkuart.c
@@ -316,7 +316,7 @@ mtk_stp_split(struct btmtkuart_dev *bdev, const unsigned char *data, int count,
/* Resync STP when unexpected data is being read */
if (shdr->prefix != 0x80 || bdev->stp_dlen > 2048) {
- bt_dev_err(bdev->hdev, "stp format unexpect (%d, %d)",
+ bt_dev_err(bdev->hdev, "stp format unexpected (%d, %d)",
shdr->prefix, bdev->stp_dlen);
bdev->stp_cursor = 2;
bdev->stp_dlen = 0;
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index 24f9b52605a1..76e7f857fb7d 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -18,6 +18,8 @@
#include <linux/string_helpers.h>
#include <linux/gpio/consumer.h>
#include <linux/of_irq.h>
+#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -73,7 +75,8 @@
#define FW_AUTH_ENC 0xc0
#define HCI_NXP_PRI_BAUDRATE 115200
-#define HCI_NXP_SEC_BAUDRATE 3000000
+#define HCI_NXP_SEC_BAUDRATE_3M 3000000
+#define HCI_NXP_SEC_BAUDRATE_4M 4000000
#define MAX_FW_FILE_NAME_LEN 50
@@ -201,12 +204,14 @@ struct btnxpuart_dev {
u32 new_baudrate;
u32 current_baudrate;
u32 fw_init_baudrate;
+ u32 secondary_baudrate;
enum bootloader_param_change timeout_changed;
enum bootloader_param_change baudrate_changed;
bool helper_downloaded;
struct ps_data psdata;
struct btnxpuart_data *nxp_data;
+ struct reset_control *pdn;
};
#define NXP_V1_FW_REQ_PKT 0xa5
@@ -365,17 +370,26 @@ static u8 crc8_table[CRC8_TABLE_SIZE];
static struct sk_buff *nxp_drv_send_cmd(struct hci_dev *hdev, u16 opcode,
u32 plen,
- void *param)
+ void *param,
+ bool resp)
{
struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
struct ps_data *psdata = &nxpdev->psdata;
- struct sk_buff *skb;
+ struct sk_buff *skb = NULL;
/* set flag to prevent nxp_enqueue from parsing values from this command and
* calling hci_cmd_sync_queue() again.
*/
psdata->driver_sent_cmd = true;
- skb = __hci_cmd_sync(hdev, opcode, plen, param, HCI_CMD_TIMEOUT);
+ if (resp) {
+ skb = __hci_cmd_sync(hdev, opcode, plen, param, HCI_CMD_TIMEOUT);
+ } else {
+ __hci_cmd_send(hdev, opcode, plen, param);
+ /* Allow command to be sent before tx_work is cancelled
+ * by btnxpuart_flush()
+ */
+ msleep(20);
+ }
psdata->driver_sent_cmd = false;
return skb;
@@ -529,10 +543,10 @@ static int ps_setup(struct hci_dev *hdev)
}
if (psdata->wakeup_source) {
- ret = devm_request_irq(&serdev->dev, psdata->irq_handler,
- ps_host_wakeup_irq_handler,
- IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
- dev_name(&serdev->dev), nxpdev);
+ ret = devm_request_threaded_irq(&serdev->dev, psdata->irq_handler,
+ NULL, ps_host_wakeup_irq_handler,
+ IRQF_ONESHOT,
+ dev_name(&serdev->dev), nxpdev);
if (ret)
bt_dev_info(hdev, "error setting wakeup IRQ handler, ignoring\n");
disable_irq(psdata->irq_handler);
@@ -595,7 +609,8 @@ static int send_ps_cmd(struct hci_dev *hdev, void *data)
pcmd.ps_cmd = BT_PS_DISABLE;
pcmd.c2h_ps_interval = __cpu_to_le16(psdata->c2h_ps_interval);
- skb = nxp_drv_send_cmd(hdev, HCI_NXP_AUTO_SLEEP_MODE, sizeof(pcmd), &pcmd);
+ skb = nxp_drv_send_cmd(hdev, HCI_NXP_AUTO_SLEEP_MODE, sizeof(pcmd),
+ &pcmd, true);
if (IS_ERR(skb)) {
bt_dev_err(hdev, "Setting Power Save mode failed (%ld)", PTR_ERR(skb));
return PTR_ERR(skb);
@@ -644,7 +659,8 @@ static int send_wakeup_method_cmd(struct hci_dev *hdev, void *data)
break;
}
- skb = nxp_drv_send_cmd(hdev, HCI_NXP_WAKEUP_METHOD, sizeof(pcmd), &pcmd);
+ skb = nxp_drv_send_cmd(hdev, HCI_NXP_WAKEUP_METHOD, sizeof(pcmd),
+ &pcmd, true);
if (IS_ERR(skb)) {
bt_dev_err(hdev, "Setting wake-up method failed (%ld)", PTR_ERR(skb));
return PTR_ERR(skb);
@@ -802,7 +818,10 @@ static bool nxp_fw_change_baudrate(struct hci_dev *hdev, u16 req_len)
nxpdev->fw_v3_offset_correction += req_len;
} else if (req_len == sizeof(uart_config)) {
uart_config.clkdiv.address = __cpu_to_le32(clkdivaddr);
- uart_config.clkdiv.value = __cpu_to_le32(0x00c00000);
+ if (nxpdev->new_baudrate == HCI_NXP_SEC_BAUDRATE_4M)
+ uart_config.clkdiv.value = __cpu_to_le32(0x01000000);
+ else
+ uart_config.clkdiv.value = __cpu_to_le32(0x00c00000);
uart_config.uartdiv.address = __cpu_to_le32(uartdivaddr);
uart_config.uartdiv.value = __cpu_to_le32(1);
uart_config.mcr.address = __cpu_to_le32(uartmcraddr);
@@ -966,12 +985,13 @@ static int nxp_recv_fw_req_v1(struct hci_dev *hdev, struct sk_buff *skb)
goto free_skb;
}
if (nxpdev->baudrate_changed != changed) {
+ nxpdev->new_baudrate = nxpdev->secondary_baudrate;
if (nxp_fw_change_baudrate(hdev, len)) {
nxpdev->baudrate_changed = changed;
serdev_device_set_baudrate(nxpdev->serdev,
- HCI_NXP_SEC_BAUDRATE);
+ nxpdev->secondary_baudrate);
serdev_device_set_flow_control(nxpdev->serdev, true);
- nxpdev->current_baudrate = HCI_NXP_SEC_BAUDRATE;
+ nxpdev->current_baudrate = nxpdev->secondary_baudrate;
}
goto free_skb;
}
@@ -992,7 +1012,7 @@ static int nxp_recv_fw_req_v1(struct hci_dev *hdev, struct sk_buff *skb)
nxpdev->helper_downloaded = true;
serdev_device_wait_until_sent(nxpdev->serdev, 0);
serdev_device_set_baudrate(nxpdev->serdev,
- HCI_NXP_SEC_BAUDRATE);
+ HCI_NXP_SEC_BAUDRATE_3M);
serdev_device_set_flow_control(nxpdev->serdev, true);
} else {
clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);
@@ -1216,12 +1236,13 @@ static int nxp_recv_fw_req_v3(struct hci_dev *hdev, struct sk_buff *skb)
}
if (nxpdev->baudrate_changed != changed) {
+ nxpdev->new_baudrate = nxpdev->secondary_baudrate;
if (nxp_fw_change_baudrate(hdev, len)) {
nxpdev->baudrate_changed = cmd_sent;
serdev_device_set_baudrate(nxpdev->serdev,
- HCI_NXP_SEC_BAUDRATE);
+ nxpdev->secondary_baudrate);
serdev_device_set_flow_control(nxpdev->serdev, true);
- nxpdev->current_baudrate = HCI_NXP_SEC_BAUDRATE;
+ nxpdev->current_baudrate = nxpdev->secondary_baudrate;
}
goto free_skb;
}
@@ -1265,7 +1286,8 @@ static int nxp_set_baudrate_cmd(struct hci_dev *hdev, void *data)
if (!psdata)
return 0;
- skb = nxp_drv_send_cmd(hdev, HCI_NXP_SET_OPER_SPEED, 4, (u8 *)&new_baudrate);
+ skb = nxp_drv_send_cmd(hdev, HCI_NXP_SET_OPER_SPEED, 4,
+ (u8 *)&new_baudrate, true);
if (IS_ERR(skb)) {
bt_dev_err(hdev, "Setting baudrate failed (%ld)", PTR_ERR(skb));
return PTR_ERR(skb);
@@ -1323,7 +1345,7 @@ static void nxp_coredump(struct hci_dev *hdev)
struct sk_buff *skb;
u8 pcmd = 2;
- skb = nxp_drv_send_cmd(hdev, HCI_NXP_TRIGGER_DUMP, 1, &pcmd);
+ skb = nxp_drv_send_cmd(hdev, HCI_NXP_TRIGGER_DUMP, 1, &pcmd, true);
if (IS_ERR(skb))
bt_dev_err(hdev, "Failed to trigger FW Dump. (%ld)", PTR_ERR(skb));
else
@@ -1365,7 +1387,6 @@ static int nxp_process_fw_dump(struct hci_dev *hdev, struct sk_buff *skb)
if (buf_len == 0) {
bt_dev_warn(hdev, "==== FW dump complete ===");
- clear_bit(BTNXPUART_FW_DUMP_IN_PROGRESS, &nxpdev->tx_state);
hci_devcd_complete(hdev);
nxp_set_ind_reset(hdev, NULL);
}
@@ -1419,6 +1440,10 @@ static int nxp_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
static int nxp_setup(struct hci_dev *hdev)
{
struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
+ struct serdev_device *serdev = nxpdev->serdev;
+ char device_string[30];
+ char event_string[50];
+ char *envp[] = {device_string, event_string, NULL};
int err = 0;
if (nxp_check_boot_sign(nxpdev)) {
@@ -1431,6 +1456,12 @@ static int nxp_setup(struct hci_dev *hdev)
clear_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);
}
+ snprintf(device_string, 30, "BTNXPUART_DEV=%s", dev_name(&serdev->dev));
+ snprintf(event_string, 50, "BTNXPUART_STATE=FW_READY");
+ bt_dev_dbg(hdev, "==== Send uevent: %s:%s ===", device_string,
+ event_string);
+ kobject_uevent_env(&serdev->dev.kobj, KOBJ_CHANGE, envp);
+
serdev_device_set_baudrate(nxpdev->serdev, nxpdev->fw_init_baudrate);
nxpdev->current_baudrate = nxpdev->fw_init_baudrate;
@@ -1447,8 +1478,8 @@ static int nxp_post_init(struct hci_dev *hdev)
struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
struct ps_data *psdata = &nxpdev->psdata;
- if (nxpdev->current_baudrate != HCI_NXP_SEC_BAUDRATE) {
- nxpdev->new_baudrate = HCI_NXP_SEC_BAUDRATE;
+ if (nxpdev->current_baudrate != nxpdev->secondary_baudrate) {
+ nxpdev->new_baudrate = nxpdev->secondary_baudrate;
nxp_set_baudrate_cmd(hdev, NULL);
}
if (psdata->cur_h2c_wakeupmode != psdata->h2c_wakeupmode)
@@ -1479,7 +1510,13 @@ static int nxp_shutdown(struct hci_dev *hdev)
u8 pcmd = 0;
if (ind_reset_in_progress(nxpdev)) {
- skb = nxp_drv_send_cmd(hdev, HCI_NXP_IND_RESET, 1, &pcmd);
+ if (test_and_clear_bit(BTNXPUART_FW_DUMP_IN_PROGRESS,
+ &nxpdev->tx_state))
+ skb = nxp_drv_send_cmd(hdev, HCI_NXP_IND_RESET, 1,
+ &pcmd, false);
+ else
+ skb = nxp_drv_send_cmd(hdev, HCI_NXP_IND_RESET, 1,
+ &pcmd, true);
serdev_device_set_flow_control(nxpdev->serdev, false);
set_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);
/* HCI_NXP_IND_RESET command may not returns any response */
@@ -1745,11 +1782,41 @@ static const struct serdev_device_ops btnxpuart_client_ops = {
.write_wakeup = btnxpuart_write_wakeup,
};
+static void nxp_coredump_notify(struct hci_dev *hdev, int state)
+{
+ struct btnxpuart_dev *nxpdev = hci_get_drvdata(hdev);
+ struct serdev_device *serdev = nxpdev->serdev;
+ char device_string[30];
+ char event_string[50];
+ char *envp[] = {device_string, event_string, NULL};
+
+ snprintf(device_string, 30, "BTNXPUART_DEV=%s", dev_name(&serdev->dev));
+ switch (state) {
+ case HCI_DEVCOREDUMP_ACTIVE:
+ snprintf(event_string, 50, "BTNXPUART_STATE=FW_DUMP_ACTIVE");
+ break;
+ case HCI_DEVCOREDUMP_DONE:
+ snprintf(event_string, 50, "BTNXPUART_STATE=FW_DUMP_DONE");
+ break;
+ case HCI_DEVCOREDUMP_TIMEOUT:
+ snprintf(event_string, 50, "BTNXPUART_STATE=FW_DUMP_TIMEOUT");
+ break;
+ default:
+ snprintf(event_string, 50, "BTNXPUART_STATE=FW_DUMP_STATE_%d",
+ state);
+ break;
+ }
+ bt_dev_dbg(hdev, "==== Send uevent: %s:%s ===", device_string,
+ event_string);
+ kobject_uevent_env(&serdev->dev.kobj, KOBJ_CHANGE, envp);
+}
+
static int nxp_serdev_probe(struct serdev_device *serdev)
{
struct hci_dev *hdev;
struct btnxpuart_dev *nxpdev;
bdaddr_t ba = {0};
+ int err;
nxpdev = devm_kzalloc(&serdev->dev, sizeof(*nxpdev), GFP_KERNEL);
if (!nxpdev)
@@ -1773,10 +1840,31 @@ static int nxp_serdev_probe(struct serdev_device *serdev)
if (!nxpdev->fw_init_baudrate)
nxpdev->fw_init_baudrate = FW_INIT_BAUDRATE;
+ device_property_read_u32(&nxpdev->serdev->dev, "max-speed",
+ &nxpdev->secondary_baudrate);
+ if (!nxpdev->secondary_baudrate ||
+ (nxpdev->secondary_baudrate != HCI_NXP_SEC_BAUDRATE_3M &&
+ nxpdev->secondary_baudrate != HCI_NXP_SEC_BAUDRATE_4M)) {
+ if (nxpdev->secondary_baudrate)
+ dev_err(&serdev->dev,
+ "Invalid max-speed. Using default 3000000.");
+ nxpdev->secondary_baudrate = HCI_NXP_SEC_BAUDRATE_3M;
+ }
+
set_bit(BTNXPUART_FW_DOWNLOADING, &nxpdev->tx_state);
crc8_populate_msb(crc8_table, POLYNOMIAL8);
+ nxpdev->pdn = devm_reset_control_get_optional_shared(&serdev->dev, NULL);
+ if (IS_ERR(nxpdev->pdn))
+ return PTR_ERR(nxpdev->pdn);
+
+ err = devm_regulator_get_enable(&serdev->dev, "vcc");
+ if (err) {
+ dev_err(&serdev->dev, "Failed to enable vcc regulator\n");
+ return err;
+ }
+
/* Initialize and register HCI device */
hdev = hci_alloc_dev();
if (!hdev) {
@@ -1784,6 +1872,8 @@ static int nxp_serdev_probe(struct serdev_device *serdev)
return -ENOMEM;
}
+ reset_control_deassert(nxpdev->pdn);
+
nxpdev->hdev = hdev;
hdev->bus = HCI_UART;
@@ -1817,11 +1907,13 @@ static int nxp_serdev_probe(struct serdev_device *serdev)
if (ps_setup(hdev))
goto probe_fail;
- hci_devcd_register(hdev, nxp_coredump, nxp_coredump_hdr, NULL);
+ hci_devcd_register(hdev, nxp_coredump, nxp_coredump_hdr,
+ nxp_coredump_notify);
return 0;
probe_fail:
+ reset_control_assert(nxpdev->pdn);
hci_free_dev(hdev);
return -ENODEV;
}
@@ -1849,6 +1941,7 @@ static void nxp_serdev_remove(struct serdev_device *serdev)
ps_cleanup(nxpdev);
hci_unregister_dev(hdev);
+ reset_control_assert(nxpdev->pdn);
hci_free_dev(hdev);
}
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 4d182cf6e037..6abd962502e3 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -693,7 +693,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
/* Loop from the end of the firmware parsing instructions, until
* we find an instruction that identifies the "project ID" for the
- * hardware supported by this firwmare file.
+ * hardware supported by this firmware file.
* Once we have that, we double-check that project_id is suitable
* for the hardware we are working with.
*/
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e49f491f0fa7..3595a8bad6bd 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -298,75 +298,77 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
/* QCA WCN6855 chipset */
- { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
- { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 |
+ { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x28de, 0x1401), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH },
/* QCA WCN785x chipset */
@@ -572,6 +574,8 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3618), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe123), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK |
@@ -734,6 +738,8 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3630), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x2c7c, 0x7009), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
/* Additional Realtek 8723AE Bluetooth devices */
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
@@ -3188,6 +3194,12 @@ struct qca_device_info {
u8 ver_offset; /* offset of version structure in rampatch */
};
+struct qca_custom_firmware {
+ u32 rom_version;
+ u16 board_id;
+ const char *subdirectory;
+};
+
static const struct qca_device_info qca_devices_table[] = {
{ 0x00000100, 20, 4, 8 }, /* Rome 1.0 */
{ 0x00000101, 20, 4, 8 }, /* Rome 1.1 */
@@ -3201,6 +3213,11 @@ static const struct qca_device_info qca_devices_table[] = {
{ 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */
};
+static const struct qca_custom_firmware qca_custom_btfws[] = {
+ { 0x00130201, 0x030A, "QCA2066" },
+ { },
+};
+
static u16 qca_extract_board_id(const struct qca_version *ver)
{
u16 flag = le16_to_cpu(ver->flag);
@@ -3227,6 +3244,26 @@ static u16 qca_extract_board_id(const struct qca_version *ver)
return board_id;
}
+static const char *qca_get_fw_subdirectory(const struct qca_version *ver)
+{
+ const struct qca_custom_firmware *ptr;
+ u32 rom_ver;
+ u16 board_id;
+
+ rom_ver = le32_to_cpu(ver->rom_version);
+ board_id = qca_extract_board_id(ver);
+ if (!board_id)
+ return NULL;
+
+ for (ptr = qca_custom_btfws; ptr->rom_version; ptr++) {
+ if (ptr->rom_version == rom_ver &&
+ ptr->board_id == board_id)
+ return ptr->subdirectory;
+ }
+
+ return NULL;
+}
+
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
void *data, u16 size)
{
@@ -3331,15 +3368,22 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
{
struct qca_rampatch_version *rver;
const struct firmware *fw;
+ const char *fw_subdir;
u32 ver_rom, ver_patch, rver_rom;
u16 rver_rom_low, rver_rom_high, rver_patch;
- char fwname[64];
+ char fwname[80];
int err;
ver_rom = le32_to_cpu(ver->rom_version);
ver_patch = le32_to_cpu(ver->patch_version);
- snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
+ fw_subdir = qca_get_fw_subdirectory(ver);
+ if (fw_subdir)
+ snprintf(fwname, sizeof(fwname), "qca/%s/rampatch_usb_%08x.bin",
+ fw_subdir, ver_rom);
+ else
+ snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin",
+ ver_rom);
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
@@ -3383,10 +3427,11 @@ static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
const struct qca_version *ver)
{
u32 rom_version = le32_to_cpu(ver->rom_version);
- const char *variant;
+ const char *variant, *fw_subdir;
int len;
u16 board_id;
+ fw_subdir = qca_get_fw_subdirectory(ver);
board_id = qca_extract_board_id(ver);
switch (le32_to_cpu(ver->ram_version)) {
@@ -3399,7 +3444,12 @@ static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
break;
}
- len = snprintf(fwname, max_size, "qca/nvm_usb_%08x", rom_version);
+ if (fw_subdir)
+ len = snprintf(fwname, max_size, "qca/%s/nvm_usb_%08x",
+ fw_subdir, rom_version);
+ else
+ len = snprintf(fwname, max_size, "qca/nvm_usb_%08x",
+ rom_version);
if (variant)
len += snprintf(fwname + len, max_size - len, "%s", variant);
if (board_id)
@@ -3412,7 +3462,7 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
const struct qca_device_info *info)
{
const struct firmware *fw;
- char fwname[64];
+ char fwname[80];
int err;
btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver);
diff --git a/drivers/bluetooth/hci_bcm4377.c b/drivers/bluetooth/hci_bcm4377.c
index 8a9aa33776b0..45e6d84224ee 100644
--- a/drivers/bluetooth/hci_bcm4377.c
+++ b/drivers/bluetooth/hci_bcm4377.c
@@ -420,7 +420,7 @@ struct bcm4377_ring_state {
* payloads_dma:DMA address for payload buffer
* events: pointer to array of completions if waiting is allowed
* msgids: bitmap to keep track of used message ids
- * lock: Spinlock to protect access to ring structurs used in the irq handler
+ * lock: Spinlock to protect access to ring structures used in the irq handler
*/
struct bcm4377_transfer_ring {
enum bcm4377_transfer_ring_id ring_id;
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 33c43503714b..4cff4d9be313 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1264,6 +1264,7 @@ static const struct h4_recv_pkt qca_recv_pkts[] = {
{ H4_RECV_ACL, .recv = qca_recv_acl_data },
{ H4_RECV_SCO, .recv = hci_recv_frame },
{ H4_RECV_EVENT, .recv = qca_recv_event },
+ { H4_RECV_ISO, .recv = hci_recv_frame },
{ QCA_IBS_WAKE_IND_EVENT, .recv = qca_ibs_wake_ind },
{ QCA_IBS_WAKE_ACK_EVENT, .recv = qca_ibs_wake_ack },
{ QCA_IBS_SLEEP_IND_EVENT, .recv = qca_ibs_sleep_ind },
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 5ea5dd80e297..cbbe79b241ce 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -121,10 +121,6 @@ void hci_uart_set_flow_control(struct hci_uart *hu, bool enable);
void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed,
unsigned int oper_speed);
-#ifdef CONFIG_BT_HCIUART_H4
-int h4_init(void);
-int h4_deinit(void);
-
struct h4_recv_pkt {
u8 type; /* Packet type */
u8 hlen; /* Header length */
@@ -162,6 +158,10 @@ struct h4_recv_pkt {
.lsize = 2, \
.maxlen = HCI_MAX_FRAME_SIZE \
+#ifdef CONFIG_BT_HCIUART_H4
+int h4_init(void);
+int h4_deinit(void);
+
struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
const unsigned char *buffer, int count,
const struct h4_recv_pkt *pkts, int pkts_count);
generated by cgit v1.2.3 (git 2.39.0) at 2025-10-18 18:35:14 +0300