aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/bluetooth/btusb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r--drivers/bluetooth/btusb.c588
1 files changed, 238 insertions, 350 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 75c83768c257..c30d131da784 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -16,6 +16,7 @@
#include <linux/of_irq.h>
#include <linux/suspend.h>
#include <linux/gpio/consumer.h>
+#include <linux/debugfs.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
@@ -24,13 +25,13 @@
#include "btintel.h"
#include "btbcm.h"
#include "btrtl.h"
+#include "btmtk.h"
#define VERSION "0.8"
static bool disable_scofix;
static bool force_scofix;
static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
-
static bool reset = true;
static struct usb_driver btusb_driver;
@@ -59,6 +60,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_WIDEBAND_SPEECH 0x400000
#define BTUSB_VALID_LE_STATES 0x800000
#define BTUSB_QCA_WCN6855 0x1000000
+#define BTUSB_INTEL_BROKEN_SHUTDOWN_LED 0x2000000
#define BTUSB_INTEL_BROKEN_INITIAL_NCMD 0x4000000
static const struct usb_device_id btusb_table[] = {
@@ -295,6 +297,24 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
BTUSB_WIDEBAND_SPEECH |
BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
@@ -365,10 +385,13 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED },
{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED |
- BTUSB_INTEL_BROKEN_INITIAL_NCMD },
- { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED },
+ BTUSB_INTEL_BROKEN_INITIAL_NCMD |
+ BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
+ { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED |
+ BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
{ USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED },
- { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED },
+ { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED |
+ BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
{ USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED },
/* Other Intel Bluetooth devices */
@@ -384,6 +407,8 @@ static const struct usb_device_id blacklist_table[] = {
/* Realtek 8852AE Bluetooth devices */
{ USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK |
@@ -423,6 +448,14 @@ static const struct usb_device_id blacklist_table[] = {
BTUSB_WIDEBAND_SPEECH |
BTUSB_VALID_LE_STATES },
+ /* MediaTek MT7922A Bluetooth devices */
+ { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+ { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK |
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
+
/* Additional Realtek 8723AE Bluetooth devices */
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
{ USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
@@ -549,8 +582,13 @@ struct btusb_data {
unsigned long flags;
- struct work_struct work;
- struct work_struct waker;
+ bool poll_sync;
+ int intr_interval;
+ struct work_struct work;
+ struct work_struct waker;
+ struct delayed_work rx_work;
+
+ struct sk_buff_head acl_q;
struct usb_anchor deferred;
struct usb_anchor tx_anchor;
@@ -715,6 +753,16 @@ static inline void btusb_free_frags(struct btusb_data *data)
spin_unlock_irqrestore(&data->rxlock, flags);
}
+static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb)
+{
+ if (data->intr_interval) {
+ /* Trigger dequeue immediatelly if an event is received */
+ schedule_delayed_work(&data->rx_work, 0);
+ }
+
+ return data->recv_event(data->hdev, skb);
+}
+
static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
{
struct sk_buff *skb;
@@ -760,7 +808,7 @@ static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
if (!hci_skb_expect(skb)) {
/* Complete frame */
- data->recv_event(data->hdev, skb);
+ btusb_recv_event(data, skb);
skb = NULL;
}
}
@@ -771,6 +819,20 @@ static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
return err;
}
+static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb)
+{
+ /* Only queue ACL packet if intr_interval is set as it means
+ * force_poll_sync has been enabled.
+ */
+ if (!data->intr_interval)
+ return data->recv_acl(data->hdev, skb);
+
+ skb_queue_tail(&data->acl_q, skb);
+ schedule_delayed_work(&data->rx_work, data->intr_interval);
+
+ return 0;
+}
+
static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
{
struct sk_buff *skb;
@@ -818,7 +880,7 @@ static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
if (!hci_skb_expect(skb)) {
/* Complete frame */
- data->recv_acl(data->hdev, skb);
+ btusb_recv_acl(data, skb);
skb = NULL;
}
}
@@ -924,6 +986,8 @@ static void btusb_intr_complete(struct urb *urb)
if (err != -EPERM && err != -ENODEV)
bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
urb, -err);
+ if (err != -EPERM)
+ hci_cmd_sync_cancel(hdev, -err);
usb_unanchor_urb(urb);
}
}
@@ -967,9 +1031,33 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
if (err != -EPERM && err != -ENODEV)
bt_dev_err(hdev, "urb %p submission failed (%d)",
urb, -err);
+ if (err != -EPERM)
+ hci_cmd_sync_cancel(hdev, -err);
usb_unanchor_urb(urb);
}
+ /* Only initialize intr_interval if URB poll sync is enabled */
+ if (!data->poll_sync)
+ goto done;
+
+ /* The units are frames (milliseconds) for full and low speed devices,
+ * and microframes (1/8 millisecond) for highspeed and SuperSpeed
+ * devices.
+ *
+ * This is done once on open/resume so it shouldn't change even if
+ * force_poll_sync changes.
+ */
+ switch (urb->dev->speed) {
+ case USB_SPEED_SUPER_PLUS:
+ case USB_SPEED_SUPER: /* units are 125us */
+ data->intr_interval = usecs_to_jiffies(urb->interval * 125);
+ break;
+ default:
+ data->intr_interval = msecs_to_jiffies(urb->interval);
+ break;
+ }
+
+done:
usb_free_urb(urb);
return err;
@@ -1322,10 +1410,13 @@ static void btusb_tx_complete(struct urb *urb)
if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;
- if (!urb->status)
+ if (!urb->status) {
hdev->stat.byte_tx += urb->transfer_buffer_length;
- else
+ } else {
+ if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT)
+ hci_cmd_sync_cancel(hdev, -urb->status);
hdev->stat.err_tx++;
+ }
done:
spin_lock_irqsave(&data->txlock, flags);
@@ -1429,9 +1520,12 @@ static int btusb_close(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
+ cancel_delayed_work(&data->rx_work);
cancel_work_sync(&data->work);
cancel_work_sync(&data->waker);
+ skb_queue_purge(&data->acl_q);
+
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
@@ -1463,6 +1557,10 @@ static int btusb_flush(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
+ cancel_delayed_work(&data->rx_work);
+
+ skb_queue_purge(&data->acl_q);
+
usb_kill_anchored_urbs(&data->tx_anchor);
btusb_free_frags(data);
@@ -1826,6 +1924,17 @@ static void btusb_waker(struct work_struct *work)
usb_autopm_put_interface(data->intf);
}
+static void btusb_rx_work(struct work_struct *work)
+{
+ struct btusb_data *data = container_of(work, struct btusb_data,
+ rx_work.work);
+ struct sk_buff *skb;
+
+ /* Dequeue ACL data received during the interval */
+ while ((skb = skb_dequeue(&data->acl_q)))
+ data->recv_acl(data->hdev, skb);
+}
+
static int btusb_setup_bcm92035(struct hci_dev *hdev)
{
struct sk_buff *skb;
@@ -2131,122 +2240,6 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
#define MTK_BT_RST_DONE 0x00000100
#define MTK_BT_RESET_WAIT_MS 100
#define MTK_BT_RESET_NUM_TRIES 10
-#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
-#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
-
-#define HCI_WMT_MAX_EVENT_SIZE 64
-/* It is for mt79xx download rom patch*/
-#define MTK_FW_ROM_PATCH_HEADER_SIZE 32
-#define MTK_FW_ROM_PATCH_GD_SIZE 64
-#define MTK_FW_ROM_PATCH_SEC_MAP_SIZE 64
-#define MTK_SEC_MAP_COMMON_SIZE 12
-#define MTK_SEC_MAP_NEED_SEND_SIZE 52
-
-enum {
- BTMTK_WMT_PATCH_DWNLD = 0x1,
- BTMTK_WMT_FUNC_CTRL = 0x6,
- BTMTK_WMT_RST = 0x7,
- BTMTK_WMT_SEMAPHORE = 0x17,
-};
-
-enum {
- BTMTK_WMT_INVALID,
- BTMTK_WMT_PATCH_UNDONE,
- BTMTK_WMT_PATCH_PROGRESS,
- BTMTK_WMT_PATCH_DONE,
- BTMTK_WMT_ON_UNDONE,
- BTMTK_WMT_ON_DONE,
- BTMTK_WMT_ON_PROGRESS,
-};
-
-struct btmtk_wmt_hdr {
- u8 dir;
- u8 op;
- __le16 dlen;
- u8 flag;
-} __packed;
-
-struct btmtk_hci_wmt_cmd {
- struct btmtk_wmt_hdr hdr;
- u8 data[];
-} __packed;
-
-struct btmtk_hci_wmt_evt {
- struct hci_event_hdr hhdr;
- struct btmtk_wmt_hdr whdr;
-} __packed;
-
-struct btmtk_hci_wmt_evt_funcc {
- struct btmtk_hci_wmt_evt hwhdr;
- __be16 status;
-} __packed;
-
-struct btmtk_tci_sleep {
- u8 mode;
- __le16 duration;
- __le16 host_duration;
- u8 host_wakeup_pin;
- u8 time_compensation;
-} __packed;
-
-struct btmtk_hci_wmt_params {
- u8 op;
- u8 flag;
- u16 dlen;
- const void *data;
- u32 *status;
-};
-
-struct btmtk_patch_header {
- u8 datetime[16];
- u8 platform[4];
- __le16 hwver;
- __le16 swver;
- __le32 magicnum;
-} __packed;
-
-struct btmtk_global_desc {
- __le32 patch_ver;
- __le32 sub_sys;
- __le32 feature_opt;
- __le32 section_num;
-} __packed;
-
-struct btmtk_section_map {
- __le32 sectype;
- __le32 secoffset;
- __le32 secsize;
- union {
- __le32 u4SecSpec[13];
- struct {
- __le32 dlAddr;
- __le32 dlsize;
- __le32 seckeyidx;
- __le32 alignlen;
- __le32 sectype;
- __le32 dlmodecrctype;
- __le32 crc;
- __le32 reserved[6];
- } bin_info_spec;
- };
-} __packed;
-
-static int btusb_set_bdaddr_mtk(struct hci_dev *hdev, const bdaddr_t *bdaddr)
-{
- struct sk_buff *skb;
- long ret;
-
- skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- ret = PTR_ERR(skb);
- bt_dev_err(hdev, "changing Mediatek device address failed (%ld)",
- ret);
- return ret;
- }
- kfree_skb(skb);
-
- return 0;
-}
static void btusb_mtk_wmt_recv(struct urb *urb)
{
@@ -2265,6 +2258,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
if (!skb) {
hdev->stat.err_rx++;
+ kfree(urb->setup_packet);
return;
}
@@ -2285,6 +2279,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
data->evt_skb = skb_clone(skb, GFP_ATOMIC);
if (!data->evt_skb) {
kfree_skb(skb);
+ kfree(urb->setup_packet);
return;
}
}
@@ -2293,6 +2288,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
if (err < 0) {
kfree_skb(data->evt_skb);
data->evt_skb = NULL;
+ kfree(urb->setup_packet);
return;
}
@@ -2303,6 +2299,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
wake_up_bit(&data->flags,
BTUSB_TX_WAIT_VND_EVT);
}
+ kfree(urb->setup_packet);
return;
} else if (urb->status == -ENOENT) {
/* Avoid suspend failed when usb_kill_urb */
@@ -2323,6 +2320,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb)
usb_anchor_urb(urb, &data->ctrl_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
+ kfree(urb->setup_packet);
/* -EPERM: urb is being killed;
* -ENODEV: device got disconnected
*/
@@ -2497,209 +2495,6 @@ err_free_wc:
return err;
}
-static int btusb_mtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname)
-{
- struct btmtk_hci_wmt_params wmt_params;
- struct btmtk_global_desc *globaldesc = NULL;
- struct btmtk_section_map *sectionmap;
- const struct firmware *fw;
- const u8 *fw_ptr;
- const u8 *fw_bin_ptr;
- int err, dlen, i, status;
- u8 flag, first_block, retry;
- u32 section_num, dl_size, section_offset;
- u8 cmd[64];
-
- err = request_firmware(&fw, fwname, &hdev->dev);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
- return err;
- }
-
- fw_ptr = fw->data;
- fw_bin_ptr = fw_ptr;
- globaldesc = (struct btmtk_global_desc *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE);
- section_num = le32_to_cpu(globaldesc->section_num);
-
- for (i = 0; i < section_num; i++) {
- first_block = 1;
- fw_ptr = fw_bin_ptr;
- sectionmap = (struct btmtk_section_map *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE +
- MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i);
-
- section_offset = le32_to_cpu(sectionmap->secoffset);
- dl_size = le32_to_cpu(sectionmap->bin_info_spec.dlsize);
-
- if (dl_size > 0) {
- retry = 20;
- while (retry > 0) {
- cmd[0] = 0; /* 0 means legacy dl mode. */
- memcpy(cmd + 1,
- fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE +
- MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i +
- MTK_SEC_MAP_COMMON_SIZE,
- MTK_SEC_MAP_NEED_SEND_SIZE + 1);
-
- wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
- wmt_params.status = &status;
- wmt_params.flag = 0;
- wmt_params.dlen = MTK_SEC_MAP_NEED_SEND_SIZE + 1;
- wmt_params.data = &cmd;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto err_release_fw;
- }
-
- if (status == BTMTK_WMT_PATCH_UNDONE) {
- break;
- } else if (status == BTMTK_WMT_PATCH_PROGRESS) {
- msleep(100);
- retry--;
- } else if (status == BTMTK_WMT_PATCH_DONE) {
- goto next_section;
- } else {
- bt_dev_err(hdev, "Failed wmt patch dwnld status (%d)",
- status);
- goto err_release_fw;
- }
- }
-
- fw_ptr += section_offset;
- wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
- wmt_params.status = NULL;
-
- while (dl_size > 0) {
- dlen = min_t(int, 250, dl_size);
- if (first_block == 1) {
- flag = 1;
- first_block = 0;
- } else if (dl_size - dlen <= 0) {
- flag = 3;
- } else {
- flag = 2;
- }
-
- wmt_params.flag = flag;
- wmt_params.dlen = dlen;
- wmt_params.data = fw_ptr;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto err_release_fw;
- }
-
- dl_size -= dlen;
- fw_ptr += dlen;
- }
- }
-next_section:
- continue;
- }
- /* Wait a few moments for firmware activation done */
- usleep_range(100000, 120000);
-
-err_release_fw:
- release_firmware(fw);
-
- return err;
-}
-
-static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
-{
- struct btmtk_hci_wmt_params wmt_params;
- const struct firmware *fw;
- const u8 *fw_ptr;
- size_t fw_size;
- int err, dlen;
- u8 flag, param;
-
- err = request_firmware(&fw, fwname, &hdev->dev);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
- return err;
- }
-
- /* Power on data RAM the firmware relies on. */
- param = 1;
- wmt_params.op = BTMTK_WMT_FUNC_CTRL;
- wmt_params.flag = 3;
- wmt_params.dlen = sizeof(param);
- wmt_params.data = &param;
- wmt_params.status = NULL;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to power on data RAM (%d)", err);
- goto err_release_fw;
- }
-
- fw_ptr = fw->data;
- fw_size = fw->size;
-
- /* The size of patch header is 30 bytes, should be skip */
- if (fw_size < 30) {
- err = -EINVAL;
- goto err_release_fw;
- }
-
- fw_size -= 30;
- fw_ptr += 30;
- flag = 1;
-
- wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
- wmt_params.status = NULL;
-
- while (fw_size > 0) {
- dlen = min_t(int, 250, fw_size);
-
- /* Tell device the position in sequence */
- if (fw_size - dlen <= 0)
- flag = 3;
- else if (fw_size < fw->size - 30)
- flag = 2;
-
- wmt_params.flag = flag;
- wmt_params.dlen = dlen;
- wmt_params.data = fw_ptr;
-
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
- err);
- goto err_release_fw;
- }
-
- fw_size -= dlen;
- fw_ptr += dlen;
- }
-
- wmt_params.op = BTMTK_WMT_RST;
- wmt_params.flag = 4;
- wmt_params.dlen = 0;
- wmt_params.data = NULL;
- wmt_params.status = NULL;
-
- /* Activate funciton the firmware providing to */
- err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
- if (err < 0) {
- bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
- goto err_release_fw;
- }
-
- /* Wait a few moments for firmware activation done */
- usleep_range(10000, 12000);
-
-err_release_fw:
- release_firmware(fw);
-
- return err;
-}
-
static int btusb_mtk_func_query(struct hci_dev *hdev)
{
struct btmtk_hci_wmt_params wmt_params;
@@ -2857,7 +2652,12 @@ static int btusb_mtk_setup(struct hci_dev *hdev)
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 = btusb_mtk_setup_firmware_79xx(hdev, fw_bin_name);
+ err = btmtk_setup_firmware_79xx(hdev, fw_bin_name,
+ btusb_mtk_hci_wmt_sync);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to set up firmware (%d)", err);
+ return err;
+ }
/* It's Device EndPoint Reset Option Register */
btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
@@ -2877,6 +2677,7 @@ static int btusb_mtk_setup(struct hci_dev *hdev)
}
hci_set_msft_opcode(hdev, 0xFD30);
+ hci_set_aosp_capable(hdev);
goto done;
default:
bt_dev_err(hdev, "Unsupported hardware variant (%08x)",
@@ -2903,7 +2704,8 @@ static int btusb_mtk_setup(struct hci_dev *hdev)
}
/* Setup a firmware which the device definitely requires */
- err = btusb_mtk_setup_firmware(hdev, fwname);
+ err = btmtk_setup_firmware(hdev, fwname,
+ btusb_mtk_hci_wmt_sync);
if (err < 0)
return err;
@@ -3064,9 +2866,6 @@ static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb)
return hci_recv_frame(hdev, skb);
}
-MODULE_FIRMWARE(FIRMWARE_MT7663);
-MODULE_FIRMWARE(FIRMWARE_MT7668);
-
#ifdef CONFIG_PM
/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
static int marvell_config_oob_wake(struct hci_dev *hdev)
@@ -3190,11 +2989,15 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
#define QCA_DFU_TIMEOUT 3000
#define QCA_FLAG_MULTI_NVM 0x80
+#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
+#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
+
struct qca_version {
__le32 rom_version;
__le32 patch_version;
__le32 ram_version;
- __le16 board_id;
+ __u8 chip_id;
+ __u8 platform_id;
__le16 flag;
__u8 reserved[4];
} __packed;
@@ -3221,6 +3024,7 @@ static const struct qca_device_info qca_devices_table[] = {
{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
{ 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
+ { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
};
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
@@ -3375,6 +3179,50 @@ done:
return err;
}
+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);
+ u16 flag = le16_to_cpu(ver->flag);
+
+ if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
+ /* The board_id should be split into two bytes
+ * The 1st byte is chip ID, and the 2nd byte is platform ID
+ * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID
+ * we have several platforms, and platform IDs are continuously added
+ * Platform ID:
+ * 0x00 is for Mobile
+ * 0x01 is for X86
+ * 0x02 is for Automotive
+ * 0x03 is for Consumer electronic
+ */
+ u16 board_id = (ver->chip_id << 8) + ver->platform_id;
+ const char *variant;
+
+ switch (le32_to_cpu(ver->ram_version)) {
+ case WCN6855_2_0_RAM_VERSION_GF:
+ case WCN6855_2_1_RAM_VERSION_GF:
+ variant = "_gf";
+ break;
+ default:
+ variant = "";
+ break;
+ }
+
+ if (board_id == 0) {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin",
+ rom_version, variant);
+ } else {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin",
+ rom_version, variant, board_id);
+ }
+ } else {
+ snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin",
+ rom_version);
+ }
+
+}
+
static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
struct qca_version *ver,
const struct qca_device_info *info)
@@ -3383,20 +3231,7 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
char fwname[64];
int err;
- if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
- /* if boardid equal 0, use default nvm without surfix */
- if (le16_to_cpu(ver->board_id) == 0x0) {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
- } else {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin",
- le32_to_cpu(ver->rom_version),
- le16_to_cpu(ver->board_id));
- }
- } else {
- snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
- le32_to_cpu(ver->rom_version));
- }
+ btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver);
err = request_firmware(&fw, fwname, &hdev->dev);
if (err) {
@@ -3661,6 +3496,49 @@ static int btusb_shutdown_qca(struct hci_dev *hdev)
return 0;
}
+static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct btusb_data *data = file->private_data;
+ char buf[3];
+
+ buf[0] = data->poll_sync ? 'Y' : 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t force_poll_sync_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct btusb_data *data = file->private_data;
+ bool enable;
+ int err;
+
+ err = kstrtobool_from_user(user_buf, count, &enable);
+ if (err)
+ return err;
+
+ /* Only allow changes while the adapter is down */
+ if (test_bit(HCI_UP, &data->hdev->flags))
+ return -EPERM;
+
+ if (data->poll_sync == enable)
+ return -EALREADY;
+
+ data->poll_sync = enable;
+
+ return count;
+}
+
+static const struct file_operations force_poll_sync_fops = {
+ .open = simple_open,
+ .read = force_poll_sync_read,
+ .write = force_poll_sync_write,
+ .llseek = default_llseek,
+};
+
static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
@@ -3744,6 +3622,10 @@ static int btusb_probe(struct usb_interface *intf,
INIT_WORK(&data->work, btusb_work);
INIT_WORK(&data->waker, btusb_waker);
+ INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work);
+
+ skb_queue_head_init(&data->acl_q);
+
init_usb_anchor(&data->deferred);
init_usb_anchor(&data->tx_anchor);
spin_lock_init(&data->txlock);
@@ -3857,6 +3739,9 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD)
btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD);
+
+ if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED)
+ btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED);
}
if (id->driver_info & BTUSB_MARVELL)
@@ -3868,7 +3753,7 @@ static int btusb_probe(struct usb_interface *intf,
hdev->shutdown = btusb_mtk_shutdown;
hdev->manufacturer = 70;
hdev->cmd_timeout = btusb_mtk_cmd_timeout;
- hdev->set_bdaddr = btusb_set_bdaddr_mtk;
+ hdev->set_bdaddr = btmtk_set_bdaddr;
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
data->recv_acl = btusb_recv_acl_mtk;
}
@@ -4009,6 +3894,9 @@ static int btusb_probe(struct usb_interface *intf,
usb_set_intfdata(intf, data);
+ debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data,
+ &force_poll_sync_fops);
+
return 0;
out_free_dev:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.