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Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices
This adds the support of enabling MT7668U Bluetooth function running on the top of btusb driver. The information in /sys/kernel/debug/usb/devices about the Bluetooth device is listed as the below. T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0 D: Ver= 3.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs= 1 P: Vendor=0e8d ProdID=7668 Rev= 1.00 S: Manufacturer=MediaTek Inc. S: Product=Wireless_Device S: SerialNumber=000000000 C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=160mA A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=125us E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Sean Wang
Marcel Holtmann
parent
688d94fd0d
commit
a1c49c434e
2 changed files with 587 additions and 0 deletions
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@ -52,6 +52,17 @@ config BT_HCIBTUSB_BCM
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Say Y here to compile support for Broadcom protocol.
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Say Y here to compile support for Broadcom protocol.
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config BT_HCIBTUSB_MTK
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bool "MediaTek protocol support"
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depends on BT_HCIBTUSB
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default n
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help
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The MediaTek protocol support enables firmware download
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support and chip initialization for MediaTek Bluetooth
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USB controllers.
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Say Y here to compile support for MediaTek protocol.
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config BT_HCIBTUSB_RTL
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config BT_HCIBTUSB_RTL
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bool "Realtek protocol support"
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bool "Realtek protocol support"
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depends on BT_HCIBTUSB
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depends on BT_HCIBTUSB
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@ -11,6 +11,7 @@
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#include <linux/usb.h>
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#include <linux/usb.h>
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#include <linux/usb/quirks.h>
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#include <linux/usb/quirks.h>
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#include <linux/firmware.h>
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#include <linux/firmware.h>
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#include <linux/iopoll.h>
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#include <linux/of_device.h>
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#include <linux/of_device.h>
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#include <linux/of_irq.h>
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#include <linux/of_irq.h>
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#include <linux/suspend.h>
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#include <linux/suspend.h>
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@ -55,6 +56,7 @@ static struct usb_driver btusb_driver;
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#define BTUSB_BCM2045 0x40000
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#define BTUSB_BCM2045 0x40000
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#define BTUSB_IFNUM_2 0x80000
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#define BTUSB_IFNUM_2 0x80000
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#define BTUSB_CW6622 0x100000
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#define BTUSB_CW6622 0x100000
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#define BTUSB_MEDIATEK 0x200000
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static const struct usb_device_id btusb_table[] = {
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static const struct usb_device_id btusb_table[] = {
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/* Generic Bluetooth USB device */
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/* Generic Bluetooth USB device */
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@ -348,6 +350,10 @@ static const struct usb_device_id blacklist_table[] = {
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
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.driver_info = BTUSB_REALTEK },
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.driver_info = BTUSB_REALTEK },
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/* MediaTek Bluetooth devices */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
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.driver_info = BTUSB_MEDIATEK },
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/* Additional Realtek 8723AE Bluetooth devices */
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/* Additional Realtek 8723AE Bluetooth devices */
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{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
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{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
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{ USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
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{ USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
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@ -428,6 +434,7 @@ static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
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#define BTUSB_DIAG_RUNNING 10
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#define BTUSB_DIAG_RUNNING 10
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#define BTUSB_OOB_WAKE_ENABLED 11
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#define BTUSB_OOB_WAKE_ENABLED 11
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#define BTUSB_HW_RESET_ACTIVE 12
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#define BTUSB_HW_RESET_ACTIVE 12
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#define BTUSB_TX_WAIT_VND_EVT 13
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struct btusb_data {
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struct btusb_data {
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struct hci_dev *hdev;
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struct hci_dev *hdev;
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@ -451,6 +458,7 @@ struct btusb_data {
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struct usb_anchor bulk_anchor;
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struct usb_anchor bulk_anchor;
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struct usb_anchor isoc_anchor;
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struct usb_anchor isoc_anchor;
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struct usb_anchor diag_anchor;
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struct usb_anchor diag_anchor;
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struct usb_anchor ctrl_anchor;
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spinlock_t rxlock;
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spinlock_t rxlock;
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struct sk_buff *evt_skb;
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struct sk_buff *evt_skb;
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@ -1204,6 +1212,7 @@ static void btusb_stop_traffic(struct btusb_data *data)
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usb_kill_anchored_urbs(&data->bulk_anchor);
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usb_kill_anchored_urbs(&data->bulk_anchor);
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usb_kill_anchored_urbs(&data->isoc_anchor);
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usb_kill_anchored_urbs(&data->isoc_anchor);
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usb_kill_anchored_urbs(&data->diag_anchor);
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usb_kill_anchored_urbs(&data->diag_anchor);
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usb_kill_anchored_urbs(&data->ctrl_anchor);
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}
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}
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static int btusb_close(struct hci_dev *hdev)
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static int btusb_close(struct hci_dev *hdev)
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@ -2439,6 +2448,563 @@ static int btusb_shutdown_intel_new(struct hci_dev *hdev)
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return 0;
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return 0;
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}
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}
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#ifdef CONFIG_BT_HCIBTUSB_MTK
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#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
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#define HCI_WMT_MAX_EVENT_SIZE 64
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enum {
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BTMTK_WMT_PATCH_DWNLD = 0x1,
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BTMTK_WMT_FUNC_CTRL = 0x6,
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BTMTK_WMT_RST = 0x7,
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BTMTK_WMT_SEMAPHORE = 0x17,
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};
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enum {
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BTMTK_WMT_INVALID,
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BTMTK_WMT_PATCH_UNDONE,
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BTMTK_WMT_PATCH_DONE,
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BTMTK_WMT_ON_UNDONE,
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BTMTK_WMT_ON_DONE,
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BTMTK_WMT_ON_PROGRESS,
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};
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struct btmtk_wmt_hdr {
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u8 dir;
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u8 op;
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__le16 dlen;
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u8 flag;
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} __packed;
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struct btmtk_hci_wmt_cmd {
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struct btmtk_wmt_hdr hdr;
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u8 data[256];
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} __packed;
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struct btmtk_hci_wmt_evt {
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struct hci_event_hdr hhdr;
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struct btmtk_wmt_hdr whdr;
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} __packed;
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struct btmtk_hci_wmt_evt_funcc {
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struct btmtk_hci_wmt_evt hwhdr;
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__be16 status;
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} __packed;
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struct btmtk_tci_sleep {
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u8 mode;
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__le16 duration;
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__le16 host_duration;
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u8 host_wakeup_pin;
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u8 time_compensation;
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} __packed;
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struct btmtk_hci_wmt_params {
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u8 op;
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u8 flag;
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u16 dlen;
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const void *data;
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u32 *status;
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};
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static void btusb_mtk_wmt_recv(struct urb *urb)
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{
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struct hci_dev *hdev = urb->context;
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struct btusb_data *data = hci_get_drvdata(hdev);
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struct hci_event_hdr *hdr;
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struct sk_buff *skb;
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int err;
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if (urb->status == 0 && urb->actual_length > 0) {
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hdev->stat.byte_rx += urb->actual_length;
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/* WMT event shouldn't be fragmented and the size should be
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* less than HCI_WMT_MAX_EVENT_SIZE.
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*/
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skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
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if (!skb) {
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hdev->stat.err_rx++;
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goto err_out;
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}
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hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
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skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
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hdr = (void *)skb->data;
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/* Fix up the vendor event id with 0xff for vendor specific
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* instead of 0xe4 so that event send via monitoring socket can
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* be parsed properly.
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*/
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hdr->evt = 0xff;
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/* When someone waits for the WMT event, the skb is being cloned
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* and being processed the events from there then.
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*/
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if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
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data->evt_skb = skb_clone(skb, GFP_KERNEL);
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if (!data->evt_skb)
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goto err_out;
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}
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err = hci_recv_frame(hdev, skb);
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if (err < 0)
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goto err_free_skb;
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if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
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&data->flags)) {
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/* Barrier to sync with other CPUs */
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smp_mb__after_atomic();
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wake_up_bit(&data->flags,
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BTUSB_TX_WAIT_VND_EVT);
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}
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err_out:
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return;
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err_free_skb:
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kfree_skb(data->evt_skb);
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data->evt_skb = NULL;
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return;
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} else if (urb->status == -ENOENT) {
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/* Avoid suspend failed when usb_kill_urb */
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return;
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}
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usb_mark_last_busy(data->udev);
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/* The URB complete handler is still called with urb->actual_length = 0
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* when the event is not available, so we should keep re-submitting
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* URB until WMT event returns, Also, It's necessary to wait some time
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* between the two consecutive control URBs to relax the target device
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* to generate the event. Otherwise, the WMT event cannot return from
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* the device successfully.
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*/
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udelay(100);
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usb_anchor_urb(urb, &data->ctrl_anchor);
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err = usb_submit_urb(urb, GFP_ATOMIC);
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if (err < 0) {
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/* -EPERM: urb is being killed;
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* -ENODEV: device got disconnected
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*/
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if (err != -EPERM && err != -ENODEV)
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bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
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urb, -err);
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usb_unanchor_urb(urb);
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}
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}
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static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
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{
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struct btusb_data *data = hci_get_drvdata(hdev);
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struct usb_ctrlrequest *dr;
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unsigned char *buf;
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int err, size = 64;
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unsigned int pipe;
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struct urb *urb;
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urb = usb_alloc_urb(0, GFP_KERNEL);
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if (!urb)
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return -ENOMEM;
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dr = kmalloc(sizeof(*dr), GFP_KERNEL);
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if (!dr) {
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usb_free_urb(urb);
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return -ENOMEM;
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}
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dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
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dr->bRequest = 1;
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dr->wIndex = cpu_to_le16(0);
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dr->wValue = cpu_to_le16(48);
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dr->wLength = cpu_to_le16(size);
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buf = kmalloc(size, GFP_KERNEL);
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if (!buf) {
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kfree(dr);
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return -ENOMEM;
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}
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pipe = usb_rcvctrlpipe(data->udev, 0);
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usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
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buf, size, btusb_mtk_wmt_recv, hdev);
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urb->transfer_flags |= URB_FREE_BUFFER;
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usb_anchor_urb(urb, &data->ctrl_anchor);
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err = usb_submit_urb(urb, GFP_KERNEL);
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if (err < 0) {
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if (err != -EPERM && err != -ENODEV)
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bt_dev_err(hdev, "urb %p submission failed (%d)",
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urb, -err);
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usb_unanchor_urb(urb);
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}
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usb_free_urb(urb);
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return err;
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}
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static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
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struct btmtk_hci_wmt_params *wmt_params)
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{
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struct btusb_data *data = hci_get_drvdata(hdev);
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struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
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u32 hlen, status = BTMTK_WMT_INVALID;
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struct btmtk_hci_wmt_evt *wmt_evt;
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struct btmtk_hci_wmt_cmd wc;
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struct btmtk_wmt_hdr *hdr;
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int err;
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/* Submit control IN URB on demand to process the WMT event */
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err = btusb_mtk_submit_wmt_recv_urb(hdev);
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if (err < 0)
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return err;
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/* Send the WMT command and wait until the WMT event returns */
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hlen = sizeof(*hdr) + wmt_params->dlen;
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if (hlen > 255)
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return -EINVAL;
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hdr = (struct btmtk_wmt_hdr *)&wc;
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hdr->dir = 1;
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hdr->op = wmt_params->op;
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hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
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hdr->flag = wmt_params->flag;
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memcpy(wc.data, wmt_params->data, wmt_params->dlen);
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set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
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err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
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if (err < 0) {
|
||||||
|
clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* The vendor specific WMT commands are all answered by a vendor
|
||||||
|
* specific event and will have the Command Status or Command
|
||||||
|
* Complete as with usual HCI command flow control.
|
||||||
|
*
|
||||||
|
* After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
|
||||||
|
* state to be cleared. The driver specific event receive routine
|
||||||
|
* will clear that state and with that indicate completion of the
|
||||||
|
* WMT command.
|
||||||
|
*/
|
||||||
|
err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
|
||||||
|
TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
|
||||||
|
if (err == -EINTR) {
|
||||||
|
bt_dev_err(hdev, "Execution of wmt command interrupted");
|
||||||
|
clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (err) {
|
||||||
|
bt_dev_err(hdev, "Execution of wmt command timed out");
|
||||||
|
clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
|
||||||
|
return -ETIMEDOUT;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Parse and handle the return WMT event */
|
||||||
|
wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
|
||||||
|
if (wmt_evt->whdr.op != hdr->op) {
|
||||||
|
bt_dev_err(hdev, "Wrong op received %d expected %d",
|
||||||
|
wmt_evt->whdr.op, hdr->op);
|
||||||
|
err = -EIO;
|
||||||
|
goto err_free_skb;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (wmt_evt->whdr.op) {
|
||||||
|
case BTMTK_WMT_SEMAPHORE:
|
||||||
|
if (wmt_evt->whdr.flag == 2)
|
||||||
|
status = BTMTK_WMT_PATCH_UNDONE;
|
||||||
|
else
|
||||||
|
status = BTMTK_WMT_PATCH_DONE;
|
||||||
|
break;
|
||||||
|
case BTMTK_WMT_FUNC_CTRL:
|
||||||
|
wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
|
||||||
|
if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
|
||||||
|
status = BTMTK_WMT_ON_DONE;
|
||||||
|
else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
|
||||||
|
status = BTMTK_WMT_ON_PROGRESS;
|
||||||
|
else
|
||||||
|
status = BTMTK_WMT_ON_UNDONE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wmt_params->status)
|
||||||
|
*wmt_params->status = status;
|
||||||
|
|
||||||
|
err_free_skb:
|
||||||
|
kfree_skb(data->evt_skb);
|
||||||
|
data->evt_skb = NULL;
|
||||||
|
|
||||||
|
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;
|
||||||
|
|
||||||
|
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_size = fw->size;
|
||||||
|
|
||||||
|
/* The size of patch header is 30 bytes, should be skip */
|
||||||
|
if (fw_size < 30)
|
||||||
|
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 deivice 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);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* 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;
|
||||||
|
int status, err;
|
||||||
|
u8 param = 0;
|
||||||
|
|
||||||
|
/* Query whether the function is enabled */
|
||||||
|
wmt_params.op = BTMTK_WMT_FUNC_CTRL;
|
||||||
|
wmt_params.flag = 4;
|
||||||
|
wmt_params.dlen = sizeof(param);
|
||||||
|
wmt_params.data = ¶m;
|
||||||
|
wmt_params.status = &status;
|
||||||
|
|
||||||
|
err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
|
||||||
|
if (err < 0) {
|
||||||
|
bt_dev_err(hdev, "Failed to query function status (%d)", err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
return status;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
|
||||||
|
{
|
||||||
|
int pipe, err, size = sizeof(u32);
|
||||||
|
void *buf;
|
||||||
|
|
||||||
|
buf = kzalloc(size, GFP_KERNEL);
|
||||||
|
if (!buf)
|
||||||
|
return -ENOMEM;
|
||||||
|
|
||||||
|
pipe = usb_rcvctrlpipe(data->udev, 0);
|
||||||
|
err = usb_control_msg(data->udev, pipe, 0x63,
|
||||||
|
USB_TYPE_VENDOR | USB_DIR_IN,
|
||||||
|
reg >> 16, reg & 0xffff,
|
||||||
|
buf, size, USB_CTRL_SET_TIMEOUT);
|
||||||
|
if (err < 0)
|
||||||
|
goto err_free_buf;
|
||||||
|
|
||||||
|
*val = get_unaligned_le32(buf);
|
||||||
|
|
||||||
|
err_free_buf:
|
||||||
|
kfree(buf);
|
||||||
|
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
|
||||||
|
{
|
||||||
|
return btusb_mtk_reg_read(data, 0x80000008, id);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int btusb_mtk_setup(struct hci_dev *hdev)
|
||||||
|
{
|
||||||
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
||||||
|
struct btmtk_hci_wmt_params wmt_params;
|
||||||
|
ktime_t calltime, delta, rettime;
|
||||||
|
struct btmtk_tci_sleep tci_sleep;
|
||||||
|
unsigned long long duration;
|
||||||
|
struct sk_buff *skb;
|
||||||
|
const char *fwname;
|
||||||
|
int err, status;
|
||||||
|
u32 dev_id;
|
||||||
|
u8 param;
|
||||||
|
|
||||||
|
calltime = ktime_get();
|
||||||
|
|
||||||
|
err = btusb_mtk_id_get(data, &dev_id);
|
||||||
|
if (err < 0) {
|
||||||
|
bt_dev_err(hdev, "Failed to get device id (%d)", err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (dev_id) {
|
||||||
|
case 0x7668:
|
||||||
|
fwname = FIRMWARE_MT7668;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
|
||||||
|
dev_id);
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Query whether the firmware is already download */
|
||||||
|
wmt_params.op = BTMTK_WMT_SEMAPHORE;
|
||||||
|
wmt_params.flag = 1;
|
||||||
|
wmt_params.dlen = 0;
|
||||||
|
wmt_params.data = NULL;
|
||||||
|
wmt_params.status = &status;
|
||||||
|
|
||||||
|
err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
|
||||||
|
if (err < 0) {
|
||||||
|
bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (status == BTMTK_WMT_PATCH_DONE) {
|
||||||
|
bt_dev_info(hdev, "firmware already downloaded");
|
||||||
|
goto ignore_setup_fw;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Setup a firmware which the device definitely requires */
|
||||||
|
err = btusb_mtk_setup_firmware(hdev, fwname);
|
||||||
|
if (err < 0)
|
||||||
|
return err;
|
||||||
|
|
||||||
|
ignore_setup_fw:
|
||||||
|
err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
|
||||||
|
status < 0 || status != BTMTK_WMT_ON_PROGRESS,
|
||||||
|
2000, 5000000);
|
||||||
|
/* -ETIMEDOUT happens */
|
||||||
|
if (err < 0)
|
||||||
|
return err;
|
||||||
|
|
||||||
|
/* The other errors happen in btusb_mtk_func_query */
|
||||||
|
if (status < 0)
|
||||||
|
return status;
|
||||||
|
|
||||||
|
if (status == BTMTK_WMT_ON_DONE) {
|
||||||
|
bt_dev_info(hdev, "function already on");
|
||||||
|
goto ignore_func_on;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Enable Bluetooth protocol */
|
||||||
|
param = 1;
|
||||||
|
wmt_params.op = BTMTK_WMT_FUNC_CTRL;
|
||||||
|
wmt_params.flag = 0;
|
||||||
|
wmt_params.dlen = sizeof(param);
|
||||||
|
wmt_params.data = ¶m;
|
||||||
|
wmt_params.status = NULL;
|
||||||
|
|
||||||
|
err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
|
||||||
|
if (err < 0) {
|
||||||
|
bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
ignore_func_on:
|
||||||
|
/* Apply the low power environment setup */
|
||||||
|
tci_sleep.mode = 0x5;
|
||||||
|
tci_sleep.duration = cpu_to_le16(0x640);
|
||||||
|
tci_sleep.host_duration = cpu_to_le16(0x640);
|
||||||
|
tci_sleep.host_wakeup_pin = 0;
|
||||||
|
tci_sleep.time_compensation = 0;
|
||||||
|
|
||||||
|
skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
|
||||||
|
HCI_INIT_TIMEOUT);
|
||||||
|
if (IS_ERR(skb)) {
|
||||||
|
err = PTR_ERR(skb);
|
||||||
|
bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
kfree_skb(skb);
|
||||||
|
|
||||||
|
rettime = ktime_get();
|
||||||
|
delta = ktime_sub(rettime, calltime);
|
||||||
|
duration = (unsigned long long)ktime_to_ns(delta) >> 10;
|
||||||
|
|
||||||
|
bt_dev_info(hdev, "Device setup in %llu usecs", duration);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int btusb_mtk_shutdown(struct hci_dev *hdev)
|
||||||
|
{
|
||||||
|
struct btmtk_hci_wmt_params wmt_params;
|
||||||
|
u8 param = 0;
|
||||||
|
int err;
|
||||||
|
|
||||||
|
/* Disable the device */
|
||||||
|
wmt_params.op = BTMTK_WMT_FUNC_CTRL;
|
||||||
|
wmt_params.flag = 0;
|
||||||
|
wmt_params.dlen = sizeof(param);
|
||||||
|
wmt_params.data = ¶m;
|
||||||
|
wmt_params.status = NULL;
|
||||||
|
|
||||||
|
err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
|
||||||
|
if (err < 0) {
|
||||||
|
bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
MODULE_FIRMWARE(FIRMWARE_MT7668);
|
||||||
|
#endif
|
||||||
|
|
||||||
#ifdef CONFIG_PM
|
#ifdef CONFIG_PM
|
||||||
/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
|
/* 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)
|
static int marvell_config_oob_wake(struct hci_dev *hdev)
|
||||||
|
|
@ -3046,6 +3612,7 @@ static int btusb_probe(struct usb_interface *intf,
|
||||||
init_usb_anchor(&data->bulk_anchor);
|
init_usb_anchor(&data->bulk_anchor);
|
||||||
init_usb_anchor(&data->isoc_anchor);
|
init_usb_anchor(&data->isoc_anchor);
|
||||||
init_usb_anchor(&data->diag_anchor);
|
init_usb_anchor(&data->diag_anchor);
|
||||||
|
init_usb_anchor(&data->ctrl_anchor);
|
||||||
spin_lock_init(&data->rxlock);
|
spin_lock_init(&data->rxlock);
|
||||||
|
|
||||||
if (id->driver_info & BTUSB_INTEL_NEW) {
|
if (id->driver_info & BTUSB_INTEL_NEW) {
|
||||||
|
|
@ -3159,6 +3726,15 @@ static int btusb_probe(struct usb_interface *intf,
|
||||||
if (id->driver_info & BTUSB_MARVELL)
|
if (id->driver_info & BTUSB_MARVELL)
|
||||||
hdev->set_bdaddr = btusb_set_bdaddr_marvell;
|
hdev->set_bdaddr = btusb_set_bdaddr_marvell;
|
||||||
|
|
||||||
|
#ifdef CONFIG_BT_HCIBTUSB_MTK
|
||||||
|
if (id->driver_info & BTUSB_MEDIATEK) {
|
||||||
|
hdev->setup = btusb_mtk_setup;
|
||||||
|
hdev->shutdown = btusb_mtk_shutdown;
|
||||||
|
hdev->manufacturer = 70;
|
||||||
|
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
if (id->driver_info & BTUSB_SWAVE) {
|
if (id->driver_info & BTUSB_SWAVE) {
|
||||||
set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
|
set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
|
||||||
set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
|
set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue