MODULE_DEVICE_TABLE(usb, btusb_table);
-static const struct usb_device_id blacklist_table[] = {
+static const struct usb_device_id quirks_table[] = {
/* CSR BlueCore devices */
{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
{ USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED },
{ USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED },
{ USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED },
+ { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED },
{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED |
BTUSB_INTEL_NO_WBS_SUPPORT |
{ USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH |
BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
{ USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH |
BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
/* Additional Realtek 8723AE Bluetooth devices */
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
{
struct btusb_data *data = hci_get_drvdata(hdev);
struct gpio_desc *reset_gpio = data->reset_gpio;
+ struct btintel_data *intel_data = hci_get_priv(hdev);
if (++data->cmd_timeout_cnt < 5)
return;
+ if (intel_data->acpi_reset_method) {
+ if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) {
+ bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again");
+ return;
+ }
+
+ bt_dev_err(hdev, "Initiating acpi reset method");
+ /* If ACPI reset method fails, lets try with legacy GPIO
+ * toggling
+ */
+ if (!intel_data->acpi_reset_method(hdev)) {
+ return;
+ }
+ }
+
if (!reset_gpio) {
btusb_reset(hdev);
return;
gpiod_set_value_cansleep(reset_gpio, 0);
}
+#define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01
+#define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02
+#define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03
+
+#define RTK_SUB_EVENT_CODE_COREDUMP 0x34
+
+struct rtk_dev_coredump_hdr {
+ u8 type;
+ u8 code;
+ u8 reserved[2];
+} __packed;
+
+static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev,
+ struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len)
+{
+ struct sk_buff *skb;
+
+ skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC);
+ if (!skb)
+ return;
+
+ skb_put_data(skb, hdr, sizeof(*hdr));
+ if (len)
+ skb_put_data(skb, buf, len);
+
+ if (!hci_devcd_init(hdev, skb->len)) {
+ hci_devcd_append(hdev, skb);
+ hci_devcd_complete(hdev);
+ } else {
+ bt_dev_err(hdev, "RTL: Failed to generate devcoredump");
+ kfree_skb(skb);
+ }
+}
+
static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
struct gpio_desc *reset_gpio = data->reset_gpio;
+ struct rtk_dev_coredump_hdr hdr = {
+ .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT,
+ };
+
+ btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0);
if (++data->cmd_timeout_cnt < 5)
return;
gpiod_set_value_cansleep(reset_gpio, 0);
}
+static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code)
+{
+ struct rtk_dev_coredump_hdr hdr = {
+ .type = RTK_DEVCOREDUMP_CODE_HW_ERR,
+ .code = code,
+ };
+
+ bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code);
+
+ btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0);
+}
+
static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
return btusb_recv_bulk(data, buffer, count);
}
-static int btusb_intel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb)
-{
- struct intel_tlv *tlv = (void *)&skb->data[5];
-
- /* The first event is always an event type TLV */
- if (tlv->type != INTEL_TLV_TYPE_ID)
- goto recv_frame;
-
- switch (tlv->val[0]) {
- case INTEL_TLV_SYSTEM_EXCEPTION:
- case INTEL_TLV_FATAL_EXCEPTION:
- case INTEL_TLV_DEBUG_EXCEPTION:
- case INTEL_TLV_TEST_EXCEPTION:
- /* Generate devcoredump from exception */
- if (!hci_devcd_init(hdev, skb->len)) {
- hci_devcd_append(hdev, skb);
- hci_devcd_complete(hdev);
- } else {
- bt_dev_err(hdev, "Failed to generate devcoredump");
- kfree_skb(skb);
- }
- return 0;
- default:
- bt_dev_err(hdev, "Invalid exception type %02X", tlv->val[0]);
- }
-
-recv_frame:
- return hci_recv_frame(hdev, skb);
-}
-
-static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
-{
- struct hci_event_hdr *hdr = (void *)skb->data;
- const char diagnostics_hdr[] = { 0x87, 0x80, 0x03 };
-
- if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
- hdr->plen > 0) {
- const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
- unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
-
- if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
- switch (skb->data[2]) {
- case 0x02:
- /* When switching to the operational firmware
- * the device sends a vendor specific event
- * indicating that the bootup completed.
- */
- btintel_bootup(hdev, ptr, len);
- break;
- case 0x06:
- /* When the firmware loading completes the
- * device sends out a vendor specific event
- * indicating the result of the firmware
- * loading.
- */
- btintel_secure_send_result(hdev, ptr, len);
- break;
- }
- }
-
- /* Handle all diagnostics events separately. May still call
- * hci_recv_frame.
- */
- if (len >= sizeof(diagnostics_hdr) &&
- memcmp(&skb->data[2], diagnostics_hdr,
- sizeof(diagnostics_hdr)) == 0) {
- return btusb_intel_diagnostics(hdev, skb);
- }
- }
-
- return hci_recv_frame(hdev, skb);
-}
-
static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
{
struct urb *urb;
return ret;
}
+static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) {
+ struct rtk_dev_coredump_hdr hdr = {
+ .code = RTK_DEVCOREDUMP_CODE_MEMDUMP,
+ };
+
+ bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u",
+ skb->len);
+
+ btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len);
+ kfree_skb(skb);
+
+ return 0;
+ }
+
+ return hci_recv_frame(hdev, skb);
+}
+
/* UHW CR mapping */
#define MTK_BT_MISC 0x70002510
#define MTK_BT_SUBSYS_RST 0x70002610
#define MTK_EP_RST_OPT 0x74011890
#define MTK_EP_RST_IN_OUT_OPT 0x00010001
#define MTK_BT_RST_DONE 0x00000100
-#define MTK_BT_RESET_WAIT_MS 100
-#define MTK_BT_RESET_NUM_TRIES 10
+#define MTK_BT_RESET_REG_CONNV3 0x70028610
+#define MTK_BT_READ_DEV_ID 0x70010200
+
static void btusb_mtk_wmt_recv(struct urb *urb)
{
return btusb_mtk_reg_read(data, reg, id);
}
+static u32 btusb_mtk_reset_done(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ u32 val = 0;
+
+ btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, &val);
+
+ return val & MTK_BT_RST_DONE;
+}
+
+static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct btmediatek_data *mediatek;
+ u32 val;
+ int err;
+
+ /* It's MediaTek specific bluetooth reset mechanism via USB */
+ if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
+ bt_dev_err(hdev, "last reset failed? Not resetting again");
+ return -EBUSY;
+ }
+
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ return err;
+
+ btusb_stop_traffic(data);
+ usb_kill_anchored_urbs(&data->tx_anchor);
+ mediatek = hci_get_priv(hdev);
+
+ if (mediatek->dev_id == 0x7925) {
+ btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
+ val |= (1 << 5);
+ btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
+ btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
+ val &= 0xFFFF00FF;
+ val |= (1 << 13);
+ btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
+ btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, 0x00010001);
+ btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
+ val |= (1 << 0);
+ btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
+ btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
+ btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
+ btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
+ btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
+ msleep(100);
+ } else {
+ /* It's Device EndPoint Reset Option Register */
+ bt_dev_dbg(hdev, "Initiating reset mechanism via uhw");
+ btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
+ btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, &val);
+
+ /* Reset the bluetooth chip via USB interface. */
+ btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 1);
+ btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
+ btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
+ btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
+ btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
+ /* MT7921 need to delay 20ms between toggle reset bit */
+ msleep(20);
+ btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 0);
+ btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val);
+ }
+
+ err = readx_poll_timeout(btusb_mtk_reset_done, hdev, val,
+ val & MTK_BT_RST_DONE, 20000, 1000000);
+ if (err < 0)
+ bt_dev_err(hdev, "Reset timeout");
+
+ btusb_mtk_id_get(data, 0x70010200, &val);
+ if (!val)
+ bt_dev_err(hdev, "Can't get device id, subsys reset fail.");
+
+ usb_queue_reset_device(data->intf);
+
+ clear_bit(BTUSB_HW_RESET_ACTIVE, &data->flags);
+
+ return err;
+}
+
static int btusb_mtk_setup(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
struct sk_buff *skb;
const char *fwname;
int err, status;
- u32 dev_id;
+ u32 dev_id = 0;
char fw_bin_name[64];
u32 fw_version = 0;
u8 param;
+ struct btmediatek_data *mediatek;
calltime = ktime_get();
return err;
}
- if (!dev_id) {
+ if (!dev_id || dev_id != 0x7663) {
err = btusb_mtk_id_get(data, 0x70010200, &dev_id);
if (err < 0) {
bt_dev_err(hdev, "Failed to get device id (%d)", err);
}
}
+ mediatek = hci_get_priv(hdev);
+ mediatek->dev_id = dev_id;
+ mediatek->reset_sync = btusb_mtk_reset;
+
+ err = btmtk_register_coredump(hdev, btusb_driver.name, fw_version);
+ if (err < 0)
+ bt_dev_err(hdev, "Failed to register coredump (%d)", err);
+
switch (dev_id) {
case 0x7663:
fwname = FIRMWARE_MT7663;
break;
case 0x7922:
case 0x7961:
- snprintf(fw_bin_name, sizeof(fw_bin_name),
- "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
- dev_id & 0xffff, (fw_version & 0xff) + 1);
+ case 0x7925:
+ if (dev_id == 0x7925)
+ snprintf(fw_bin_name, sizeof(fw_bin_name),
+ "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
+ dev_id & 0xffff, dev_id & 0xffff, (fw_version & 0xff) + 1);
+ else
+ snprintf(fw_bin_name, sizeof(fw_bin_name),
+ "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
+ dev_id & 0xffff, (fw_version & 0xff) + 1);
+
err = btmtk_setup_firmware_79xx(hdev, fw_bin_name,
btusb_mtk_hci_wmt_sync);
if (err < 0) {
return 0;
}
-static void btusb_mtk_cmd_timeout(struct hci_dev *hdev)
-{
- struct btusb_data *data = hci_get_drvdata(hdev);
- u32 val;
- int err, retry = 0;
-
- /* It's MediaTek specific bluetooth reset mechanism via USB */
- if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
- bt_dev_err(hdev, "last reset failed? Not resetting again");
- return;
- }
-
- err = usb_autopm_get_interface(data->intf);
- if (err < 0)
- return;
-
- btusb_stop_traffic(data);
- usb_kill_anchored_urbs(&data->tx_anchor);
-
- /* It's Device EndPoint Reset Option Register */
- bt_dev_dbg(hdev, "Initiating reset mechanism via uhw");
- btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
- btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, &val);
-
- /* Reset the bluetooth chip via USB interface. */
- btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 1);
- btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
- btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
- btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
- btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
- /* MT7921 need to delay 20ms between toggle reset bit */
- msleep(20);
- btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 0);
- btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val);
-
- /* Poll the register until reset is completed */
- do {
- btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, &val);
- if (val & MTK_BT_RST_DONE) {
- bt_dev_dbg(hdev, "Bluetooth Reset Successfully");
- break;
- }
-
- bt_dev_dbg(hdev, "Polling Bluetooth Reset CR");
- retry++;
- msleep(MTK_BT_RESET_WAIT_MS);
- } while (retry < MTK_BT_RESET_NUM_TRIES);
-
- btusb_mtk_id_get(data, 0x70010200, &val);
- if (!val)
- bt_dev_err(hdev, "Can't get device id, subsys reset fail.");
-
- usb_queue_reset_device(data->intf);
-
- clear_bit(BTUSB_HW_RESET_ACTIVE, &data->flags);
-}
-
static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb)
{
struct btusb_data *data = hci_get_drvdata(hdev);
u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
+ struct sk_buff *skb_cd;
switch (handle) {
case 0xfc6f: /* Firmware dump from device */
* suspend and thus disable auto-suspend.
*/
usb_disable_autosuspend(data->udev);
+
+ /* We need to forward the diagnostic packet to userspace daemon
+ * for backward compatibility, so we have to clone the packet
+ * extraly for the in-kernel coredump support.
+ */
+ skb_cd = skb_clone(skb, GFP_ATOMIC);
+ if (skb_cd)
+ btmtk_process_coredump(hdev, skb_cd);
+
fallthrough;
case 0x05ff: /* Firmware debug logging 1 */
case 0x05fe: /* Firmware debug logging 2 */
if (!id->driver_info) {
const struct usb_device_id *match;
- match = usb_match_id(intf, blacklist_table);
+ match = usb_match_id(intf, quirks_table);
if (match)
id = match;
}
priv_size += sizeof(struct btintel_data);
/* Override the rx handlers */
- data->recv_event = btusb_recv_event_intel;
+ data->recv_event = btintel_recv_event;
data->recv_bulk = btusb_recv_bulk_intel;
} else if (id->driver_info & BTUSB_REALTEK) {
/* Allocate extra space for Realtek device */
priv_size += sizeof(struct btrealtek_data);
+
+ data->recv_event = btusb_recv_event_realtek;
+ } else if (id->driver_info & BTUSB_MEDIATEK) {
+ /* Allocate extra space for Mediatek device */
+ priv_size += sizeof(struct btmediatek_data);
}
data->recv_acl = hci_recv_frame;
hdev->setup = btusb_mtk_setup;
hdev->shutdown = btusb_mtk_shutdown;
hdev->manufacturer = 70;
- hdev->cmd_timeout = btusb_mtk_cmd_timeout;
+ hdev->cmd_timeout = btmtk_reset_sync;
hdev->set_bdaddr = btmtk_set_bdaddr;
set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
(id->driver_info & BTUSB_REALTEK)) {
+ btrtl_set_driver_name(hdev, btusb_driver.name);
hdev->setup = btusb_setup_realtek;
hdev->shutdown = btrtl_shutdown_realtek;
hdev->cmd_timeout = btusb_rtl_cmd_timeout;
+ hdev->hw_error = btusb_rtl_hw_error;
/* Realtek devices need to set remote wakeup on auto-suspend */
set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags);
projects / platform / kernel / linux-rpi.git / blobdiff