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path: root/drivers/bluetooth/btusb.c
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Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r--drivers/bluetooth/btusb.c92
1 files changed, 53 insertions, 39 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index de7b236eeae7..94c6c048130f 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -24,19 +24,21 @@
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include "btintel.h"
#include "btbcm.h"
+#include "btrtl.h"
#define VERSION "0.8"
static bool disable_scofix;
static bool force_scofix;
-static bool reset = 1;
+static bool reset = true;
static struct usb_driver btusb_driver;
@@ -57,6 +59,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_AMP 0x4000
#define BTUSB_QCA_ROME 0x8000
#define BTUSB_BCM_APPLE 0x10000
+#define BTUSB_REALTEK 0x20000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -184,6 +187,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -200,6 +204,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
@@ -216,6 +221,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
/* QCA ROME chipset */
+ { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
@@ -288,6 +294,28 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
.driver_info = BTUSB_IGNORE },
+ /* Realtek Bluetooth devices */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
+ .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8723AE Bluetooth devices */
+ { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8723BE Bluetooth devices */
+ { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
+
+ /* Additional Realtek 8821AE Bluetooth devices */
+ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
+
{ } /* Terminating entry */
};
@@ -303,6 +331,7 @@ static const struct usb_device_id blacklist_table[] = {
#define BTUSB_FIRMWARE_LOADED 7
#define BTUSB_FIRMWARE_FAILED 8
#define BTUSB_BOOTING 9
+#define BTUSB_RESET_RESUME 10
struct btusb_data {
struct hci_dev *hdev;
@@ -892,7 +921,7 @@ static int btusb_open(struct hci_dev *hdev)
*/
if (data->setup_on_usb) {
err = data->setup_on_usb(hdev);
- if (err <0)
+ if (err < 0)
return err;
}
@@ -1552,12 +1581,6 @@ static int btusb_setup_intel(struct hci_dev *hdev)
}
ver = (struct intel_version *)skb->data;
- if (ver->status) {
- BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
- ver->status);
- kfree_skb(skb);
- return -bt_to_errno(ver->status);
- }
BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
hdev->name, ver->hw_platform, ver->hw_variant,
@@ -1605,15 +1628,6 @@ static int btusb_setup_intel(struct hci_dev *hdev)
return PTR_ERR(skb);
}
- if (skb->data[0]) {
- u8 evt_status = skb->data[0];
-
- BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
- hdev->name, evt_status);
- kfree_skb(skb);
- release_firmware(fw);
- return -bt_to_errno(evt_status);
- }
kfree_skb(skb);
disable_patch = 1;
@@ -1959,13 +1973,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
}
ver = (struct intel_version *)skb->data;
- if (ver->status) {
- BT_ERR("%s: Intel version command failure (%02x)",
- hdev->name, ver->status);
- err = -bt_to_errno(ver->status);
- kfree_skb(skb);
- return err;
- }
/* The hardware platform number has a fixed value of 0x37 and
* for now only accept this single value.
@@ -2040,13 +2047,6 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
}
params = (struct intel_boot_params *)skb->data;
- if (params->status) {
- BT_ERR("%s: Intel boot parameters command failure (%02x)",
- hdev->name, params->status);
- err = -bt_to_errno(params->status);
- kfree_skb(skb);
- return err;
- }
BT_INFO("%s: Device revision is %u", hdev->name,
le16_to_cpu(params->dev_revid));
@@ -2279,13 +2279,6 @@ static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code)
return;
}
- if (skb->data[0] != 0x00) {
- BT_ERR("%s: Exception info command failure (%02x)",
- hdev->name, skb->data[0]);
- kfree_skb(skb);
- return;
- }
-
BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1));
kfree_skb(skb);
@@ -2393,6 +2386,7 @@ struct qca_device_info {
static const struct qca_device_info qca_devices_table[] = {
{ 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
+ { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
@@ -2577,7 +2571,7 @@ static int btusb_setup_qca(struct hci_dev *hdev)
int i, err;
err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
- sizeof(ver));
+ sizeof(ver));
if (err < 0)
return err;
@@ -2776,6 +2770,18 @@ static int btusb_probe(struct usb_interface *intf,
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
}
+#ifdef CONFIG_BT_HCIBTUSB_RTL
+ if (id->driver_info & BTUSB_REALTEK) {
+ hdev->setup = btrtl_setup_realtek;
+
+ /* Realtek devices lose their updated firmware over suspend,
+ * but the USB hub doesn't notice any status change.
+ * Explicitly request a device reset on resume.
+ */
+ set_bit(BTUSB_RESET_RESUME, &data->flags);
+ }
+#endif
+
if (id->driver_info & BTUSB_AMP) {
/* AMP controllers do not support SCO packets */
data->isoc = NULL;
@@ -2906,6 +2912,14 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
+ /* Optionally request a device reset on resume, but only when
+ * wakeups are disabled. If wakeups are enabled we assume the
+ * device will stay powered up throughout suspend.
+ */
+ if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
+ !device_may_wakeup(&data->udev->dev))
+ data->udev->reset_resume = 1;
+
return 0;
}