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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.c204
1 files changed, 134 insertions, 70 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 256b451bbe06..9ab661d2d1e6 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -21,6 +21,7 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci_drv.h>
#include "btintel.h"
#include "btbcm.h"
@@ -34,7 +35,6 @@ static bool force_scofix;
static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC);
static bool reset = true;
-static bool auto_isoc_alt = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTO_ISOC_ALT);
static struct usb_driver btusb_driver;
@@ -513,6 +513,7 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
/* Realtek 8851BE Bluetooth devices */
+ { USB_DEVICE(0x0bda, 0xb850), .driver_info = BTUSB_REALTEK },
{ USB_DEVICE(0x13d3, 0x3600), .driver_info = BTUSB_REALTEK },
/* Realtek 8852AE Bluetooth devices */
@@ -678,6 +679,8 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3584), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK |
@@ -716,8 +719,12 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3613), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x13d3, 0x3628), .driver_info = BTUSB_MEDIATEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x13d3, 0x3630), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH },
/* Additional Realtek 8723AE Bluetooth devices */
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
@@ -1118,42 +1125,6 @@ static inline void btusb_free_frags(struct btusb_data *data)
spin_unlock_irqrestore(&data->rxlock, flags);
}
-static void btusb_sco_connected(struct btusb_data *data, struct sk_buff *skb)
-{
- struct hci_event_hdr *hdr = (void *) skb->data;
- struct hci_ev_sync_conn_complete *ev =
- (void *) skb->data + sizeof(*hdr);
- struct hci_dev *hdev = data->hdev;
- unsigned int notify_air_mode;
-
- if (hci_skb_pkt_type(skb) != HCI_EVENT_PKT)
- return;
-
- if (skb->len < sizeof(*hdr) || hdr->evt != HCI_EV_SYNC_CONN_COMPLETE)
- return;
-
- if (skb->len != sizeof(*hdr) + sizeof(*ev) || ev->status)
- return;
-
- switch (ev->air_mode) {
- case BT_CODEC_CVSD:
- notify_air_mode = HCI_NOTIFY_ENABLE_SCO_CVSD;
- break;
-
- case BT_CODEC_TRANSPARENT:
- notify_air_mode = HCI_NOTIFY_ENABLE_SCO_TRANSP;
- break;
-
- default:
- return;
- }
-
- bt_dev_info(hdev, "enabling SCO with air mode %u", ev->air_mode);
- data->sco_num = 1;
- data->air_mode = notify_air_mode;
- schedule_work(&data->work);
-}
-
static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb)
{
if (data->intr_interval) {
@@ -1161,10 +1132,6 @@ static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb)
schedule_delayed_work(&data->rx_work, 0);
}
- /* Configure altsetting for HCI_USER_CHANNEL on SCO connected */
- if (auto_isoc_alt && hci_dev_test_flag(data->hdev, HCI_USER_CHANNEL))
- btusb_sco_connected(data, skb);
-
return data->recv_event(data->hdev, skb);
}
@@ -3753,31 +3720,133 @@ static const struct file_operations force_poll_sync_fops = {
.llseek = default_llseek,
};
-static ssize_t isoc_alt_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+#define BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS \
+ hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0000)
+#define BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE 0
+struct btusb_hci_drv_rp_supported_altsettings {
+ __u8 num;
+ __u8 altsettings[];
+} __packed;
+
+#define BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING \
+ hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0001)
+#define BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE 1
+struct btusb_hci_drv_cmd_switch_altsetting {
+ __u8 altsetting;
+} __packed;
+
+static const struct {
+ u16 opcode;
+ const char *desc;
+} btusb_hci_drv_supported_commands[] = {
+ /* Common commands */
+ { HCI_DRV_OP_READ_INFO, "Read Info" },
+
+ /* Driver specific commands */
+ { BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, "Supported Altsettings" },
+ { BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, "Switch Altsetting" },
+};
+static int btusb_hci_drv_read_info(struct hci_dev *hdev, void *data,
+ u16 data_len)
{
- struct btusb_data *data = dev_get_drvdata(dev);
+ struct hci_drv_rp_read_info *rp;
+ size_t rp_size;
+ int err, i;
+ u16 opcode, num_supported_commands =
+ ARRAY_SIZE(btusb_hci_drv_supported_commands);
+
+ rp_size = sizeof(*rp) + num_supported_commands * 2;
+
+ rp = kmalloc(rp_size, GFP_KERNEL);
+ if (!rp)
+ return -ENOMEM;
+
+ strscpy_pad(rp->driver_name, btusb_driver.name);
- return sysfs_emit(buf, "%d\n", data->isoc_altsetting);
+ rp->num_supported_commands = cpu_to_le16(num_supported_commands);
+ for (i = 0; i < num_supported_commands; i++) {
+ opcode = btusb_hci_drv_supported_commands[i].opcode;
+ bt_dev_info(hdev,
+ "Supported HCI Drv command (0x%02x|0x%04x): %s",
+ hci_opcode_ogf(opcode),
+ hci_opcode_ocf(opcode),
+ btusb_hci_drv_supported_commands[i].desc);
+ rp->supported_commands[i] = cpu_to_le16(opcode);
+ }
+
+ err = hci_drv_cmd_complete(hdev, HCI_DRV_OP_READ_INFO,
+ HCI_DRV_STATUS_SUCCESS, rp, rp_size);
+
+ kfree(rp);
+ return err;
}
-static ssize_t isoc_alt_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static int btusb_hci_drv_supported_altsettings(struct hci_dev *hdev, void *data,
+ u16 data_len)
{
- struct btusb_data *data = dev_get_drvdata(dev);
- int alt;
- int ret;
+ struct btusb_data *drvdata = hci_get_drvdata(hdev);
+ struct btusb_hci_drv_rp_supported_altsettings *rp;
+ size_t rp_size;
+ int err;
+ u8 i;
+
+ /* There are at most 7 alt (0 - 6) */
+ rp = kmalloc(sizeof(*rp) + 7, GFP_KERNEL);
+
+ rp->num = 0;
+ if (!drvdata->isoc)
+ goto done;
+
+ for (i = 0; i <= 6; i++) {
+ if (btusb_find_altsetting(drvdata, i))
+ rp->altsettings[rp->num++] = i;
+ }
+
+done:
+ rp_size = sizeof(*rp) + rp->num;
+
+ err = hci_drv_cmd_complete(hdev, BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS,
+ HCI_DRV_STATUS_SUCCESS, rp, rp_size);
+ kfree(rp);
+ return err;
+}
- if (kstrtoint(buf, 10, &alt))
- return -EINVAL;
+static int btusb_hci_drv_switch_altsetting(struct hci_dev *hdev, void *data,
+ u16 data_len)
+{
+ struct btusb_hci_drv_cmd_switch_altsetting *cmd = data;
+ u8 status;
- ret = btusb_switch_alt_setting(data->hdev, alt);
- return ret < 0 ? ret : count;
+ if (cmd->altsetting > 6) {
+ status = HCI_DRV_STATUS_INVALID_PARAMETERS;
+ } else {
+ if (btusb_switch_alt_setting(hdev, cmd->altsetting))
+ status = HCI_DRV_STATUS_UNSPECIFIED_ERROR;
+ else
+ status = HCI_DRV_STATUS_SUCCESS;
+ }
+
+ return hci_drv_cmd_status(hdev, BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING,
+ status);
}
-static DEVICE_ATTR_RW(isoc_alt);
+static const struct hci_drv_handler btusb_hci_drv_common_handlers[] = {
+ { btusb_hci_drv_read_info, HCI_DRV_READ_INFO_SIZE },
+};
+
+static const struct hci_drv_handler btusb_hci_drv_specific_handlers[] = {
+ { btusb_hci_drv_supported_altsettings,
+ BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE },
+ { btusb_hci_drv_switch_altsetting,
+ BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE },
+};
+
+static struct hci_drv btusb_hci_drv = {
+ .common_handler_count = ARRAY_SIZE(btusb_hci_drv_common_handlers),
+ .common_handlers = btusb_hci_drv_common_handlers,
+ .specific_handler_count = ARRAY_SIZE(btusb_hci_drv_specific_handlers),
+ .specific_handlers = btusb_hci_drv_specific_handlers,
+};
static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
@@ -3918,12 +3987,13 @@ static int btusb_probe(struct usb_interface *intf,
data->reset_gpio = reset_gpio;
}
- hdev->open = btusb_open;
- hdev->close = btusb_close;
- hdev->flush = btusb_flush;
- hdev->send = btusb_send_frame;
- hdev->notify = btusb_notify;
- hdev->wakeup = btusb_wakeup;
+ hdev->open = btusb_open;
+ hdev->close = btusb_close;
+ hdev->flush = btusb_flush;
+ hdev->send = btusb_send_frame;
+ hdev->notify = btusb_notify;
+ hdev->wakeup = btusb_wakeup;
+ hdev->hci_drv = &btusb_hci_drv;
#ifdef CONFIG_PM
err = btusb_config_oob_wake(hdev);
@@ -4142,10 +4212,6 @@ static int btusb_probe(struct usb_interface *intf,
data->isoc, data);
if (err < 0)
goto out_free_dev;
-
- err = device_create_file(&intf->dev, &dev_attr_isoc_alt);
- if (err)
- goto out_free_dev;
}
if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
@@ -4192,10 +4258,8 @@ static void btusb_disconnect(struct usb_interface *intf)
hdev = data->hdev;
usb_set_intfdata(data->intf, NULL);
- if (data->isoc) {
- device_remove_file(&intf->dev, &dev_attr_isoc_alt);
+ if (data->isoc)
usb_set_intfdata(data->isoc, NULL);
- }
if (data->diag)
usb_set_intfdata(data->diag, NULL);
generated by cgit v1.2.3 (git 2.39.0) at 2025-05-31 15:26:20 +0300