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-rw-r--r--drivers/bluetooth/btmtk.h154
1 files changed, 154 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h
new file mode 100644
index 000000000..2a88ea8e4
--- /dev/null
+++ b/drivers/bluetooth/btmtk.h
@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2021 MediaTek Inc. */
+
+#define FIRMWARE_MT7622 "mediatek/mt7622pr2h.bin"
+#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
+#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
+#define FIRMWARE_MT7961 "mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin"
+
+#define HCI_EV_WMT 0xe4
+#define HCI_WMT_MAX_EVENT_SIZE 64
+
+#define BTMTK_WMT_REG_WRITE 0x1
+#define BTMTK_WMT_REG_READ 0x2
+
+#define MT7921_BTSYS_RST 0x70002610
+#define MT7921_BTSYS_RST_WITH_GPIO BIT(7)
+
+#define MT7921_PINMUX_0 0x70005050
+#define MT7921_PINMUX_1 0x70005054
+
+#define MT7921_DLSTATUS 0x7c053c10
+#define BT_DL_STATE BIT(1)
+
+enum {
+ BTMTK_WMT_PATCH_DWNLD = 0x1,
+ BTMTK_WMT_TEST = 0x2,
+ BTMTK_WMT_WAKEUP = 0x3,
+ BTMTK_WMT_HIF = 0x4,
+ BTMTK_WMT_FUNC_CTRL = 0x6,
+ BTMTK_WMT_RST = 0x7,
+ BTMTK_WMT_REGISTER = 0x8,
+ 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_hci_wmt_evt_reg {
+ struct btmtk_hci_wmt_evt hwhdr;
+ u8 rsv[2];
+ u8 num;
+ __le32 addr;
+ __le32 val;
+} __packed;
+
+struct btmtk_tci_sleep {
+ u8 mode;
+ __le16 duration;
+ __le16 host_duration;
+ u8 host_wakeup_pin;
+ u8 time_compensation;
+} __packed;
+
+struct btmtk_wakeon {
+ u8 mode;
+ u8 gpo;
+ u8 active_high;
+ __le16 enable_delay;
+ __le16 wakeup_delay;
+} __packed;
+
+struct btmtk_sco {
+ u8 clock_config;
+ u8 transmit_format_config;
+ u8 channel_format_config;
+ u8 channel_select_config;
+} __packed;
+
+struct reg_read_cmd {
+ u8 type;
+ u8 rsv;
+ u8 num;
+ __le32 addr;
+} __packed;
+
+struct reg_write_cmd {
+ u8 type;
+ u8 rsv;
+ u8 num;
+ __le32 addr;
+ __le32 data;
+ __le32 mask;
+} __packed;
+
+struct btmtk_hci_wmt_params {
+ u8 op;
+ u8 flag;
+ u16 dlen;
+ const void *data;
+ u32 *status;
+};
+
+typedef int (*wmt_cmd_sync_func_t)(struct hci_dev *,
+ struct btmtk_hci_wmt_params *);
+
+#if IS_ENABLED(CONFIG_BT_MTK)
+
+int btmtk_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+
+int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync);
+
+int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync);
+#else
+
+static inline int btmtk_set_bdaddr(struct hci_dev *hdev,
+ const bdaddr_t *bdaddr)
+{
+ return -EOPNOTSUPP;
+}
+
+static int btmtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync)
+{
+ return -EOPNOTSUPP;
+}
+
+static int btmtk_setup_firmware(struct hci_dev *hdev, const char *fwname,
+ wmt_cmd_sync_func_t wmt_cmd_sync)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif