From c603bf1f94d0ef8ce3ef081112eae13cd744ef17 Mon Sep 17 00:00:00 2001 From: Sean Wang Date: Tue, 19 Oct 2021 05:30:21 +0800 Subject: Bluetooth: btmtksdio: add MT7921s Bluetooth support add MT7921s Bluetooth support Co-developed-by: Mark-yw Chen Signed-off-by: Mark-yw Chen Signed-off-by: Sean Wang Signed-off-by: Marcel Holtmann --- drivers/bluetooth/btmtk.h | 11 ++++ drivers/bluetooth/btmtksdio.c | 141 +++++++++++++++++++++++++++++++++++++++--- 2 files changed, 144 insertions(+), 8 deletions(-) (limited to 'drivers/bluetooth') diff --git a/drivers/bluetooth/btmtk.h b/drivers/bluetooth/btmtk.h index 18f43c641b3b..6e7b0c7567c0 100644 --- a/drivers/bluetooth/btmtk.h +++ b/drivers/bluetooth/btmtk.h @@ -7,6 +7,8 @@ #define HCI_WMT_MAX_EVENT_SIZE 64 +#define BTMTK_WMT_REG_READ 0x2 + enum { BTMTK_WMT_PATCH_DWNLD = 0x1, BTMTK_WMT_TEST = 0x2, @@ -14,6 +16,7 @@ enum { BTMTK_WMT_HIF = 0x4, BTMTK_WMT_FUNC_CTRL = 0x6, BTMTK_WMT_RST = 0x7, + BTMTK_WMT_REGISTER = 0x8, BTMTK_WMT_SEMAPHORE = 0x17, }; @@ -49,6 +52,14 @@ struct btmtk_hci_wmt_evt_funcc { __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; diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 3266c5d83cae..ce6a6c00ff98 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -37,14 +37,22 @@ static bool enable_autosuspend; struct btmtksdio_data { const char *fwname; + u16 chipid; }; static const struct btmtksdio_data mt7663_data = { .fwname = FIRMWARE_MT7663, + .chipid = 0x7663, }; static const struct btmtksdio_data mt7668_data = { .fwname = FIRMWARE_MT7668, + .chipid = 0x7668, +}; + +static const struct btmtksdio_data mt7921_data = { + .fwname = FIRMWARE_MT7961, + .chipid = 0x7921, }; static const struct sdio_device_id btmtksdio_table[] = { @@ -52,6 +60,8 @@ static const struct sdio_device_id btmtksdio_table[] = { .driver_data = (kernel_ulong_t)&mt7663_data }, {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7668), .driver_data = (kernel_ulong_t)&mt7668_data }, + {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7961), + .driver_data = (kernel_ulong_t)&mt7921_data }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(sdio, btmtksdio_table); @@ -115,6 +125,7 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, { struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; + struct btmtk_hci_wmt_evt_reg *wmt_evt_reg; u32 hlen, status = BTMTK_WMT_INVALID; struct btmtk_hci_wmt_evt *wmt_evt; struct btmtk_hci_wmt_cmd *wc; @@ -194,6 +205,19 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, else status = BTMTK_WMT_ON_UNDONE; break; + case BTMTK_WMT_PATCH_DWNLD: + if (wmt_evt->whdr.flag == 2) + status = BTMTK_WMT_PATCH_DONE; + else if (wmt_evt->whdr.flag == 1) + status = BTMTK_WMT_PATCH_PROGRESS; + else + status = BTMTK_WMT_PATCH_UNDONE; + break; + case BTMTK_WMT_REGISTER: + wmt_evt_reg = (struct btmtk_hci_wmt_evt_reg *)wmt_evt; + if (le16_to_cpu(wmt_evt->whdr.dlen) == 12) + status = le32_to_cpu(wmt_evt_reg->val); + break; } if (wmt_params->status) @@ -634,20 +658,14 @@ static int btmtksdio_func_query(struct hci_dev *hdev) return status; } -static int btmtksdio_setup(struct hci_dev *hdev) +static int mt76xx_setup(struct hci_dev *hdev, const char *fwname) { - struct btmtksdio_dev *bdev = 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; int err, status; u8 param = 0x1; - calltime = ktime_get(); - bdev->hw_tx_ready = true; - /* Query whether the firmware is already download */ wmt_params.op = BTMTK_WMT_SEMAPHORE; wmt_params.flag = 1; @@ -667,7 +685,7 @@ static int btmtksdio_setup(struct hci_dev *hdev) } /* Setup a firmware which the device definitely requires */ - err = btmtk_setup_firmware(hdev, bdev->data->fwname, mtk_hci_wmt_sync); + err = btmtk_setup_firmware(hdev, fwname, mtk_hci_wmt_sync); if (err < 0) return err; @@ -719,6 +737,113 @@ ignore_func_on: } kfree_skb(skb); + return 0; +} + +static int mt79xx_setup(struct hci_dev *hdev, const char *fwname) +{ + struct btmtk_hci_wmt_params wmt_params; + u8 param = 0x1; + int err; + + err = btmtk_setup_firmware_79xx(hdev, fwname, mtk_hci_wmt_sync); + if (err < 0) { + bt_dev_err(hdev, "Failed to setup 79xx firmware (%d)", err); + return err; + } + + /* Enable Bluetooth protocol */ + 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 = 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 err; +} + +static int btsdio_mtk_reg_read(struct hci_dev *hdev, u32 reg, u32 *val) +{ + struct btmtk_hci_wmt_params wmt_params; + struct reg_read_cmd { + u8 type; + u8 rsv; + u8 num; + __le32 addr; + } __packed reg_read = { + .type = 1, + .num = 1, + }; + u32 status; + int err; + + reg_read.addr = cpu_to_le32(reg); + wmt_params.op = BTMTK_WMT_REGISTER; + wmt_params.flag = BTMTK_WMT_REG_READ; + wmt_params.dlen = sizeof(reg_read); + wmt_params.data = ®_read; + wmt_params.status = &status; + + err = mtk_hci_wmt_sync(hdev, &wmt_params); + if (err < 0) { + bt_dev_err(hdev, "Failed to read reg(%d)", err); + return err; + } + + *val = status; + + return err; +} + +static int btmtksdio_setup(struct hci_dev *hdev) +{ + struct btmtksdio_dev *bdev = hci_get_drvdata(hdev); + ktime_t calltime, delta, rettime; + unsigned long long duration; + char fwname[64]; + int err, dev_id; + u32 fw_version = 0; + + calltime = ktime_get(); + bdev->hw_tx_ready = true; + + switch (bdev->data->chipid) { + case 0x7921: + err = btsdio_mtk_reg_read(hdev, 0x70010200, &dev_id); + if (err < 0) { + bt_dev_err(hdev, "Failed to get device id (%d)", err); + return err; + } + + err = btsdio_mtk_reg_read(hdev, 0x80021004, &fw_version); + if (err < 0) { + bt_dev_err(hdev, "Failed to get fw version (%d)", err); + return err; + } + + snprintf(fwname, sizeof(fwname), + "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", + dev_id & 0xffff, (fw_version & 0xff) + 1); + err = mt79xx_setup(hdev, fwname); + if (err < 0) + return err; + break; + case 0x7663: + case 0x7668: + err = mt76xx_setup(hdev, bdev->data->fwname); + if (err < 0) + return err; + break; + default: + return -ENODEV; + } + rettime = ktime_get(); delta = ktime_sub(rettime, calltime); duration = (unsigned long long)ktime_to_ns(delta) >> 10; -- cgit v1.2.3