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authorSean Wang <sean.wang@mediatek.com>2021-10-18 23:30:12 +0200
committerMarcel Holtmann <marcel@holtmann.org>2021-10-25 15:36:23 +0200
commit8c0d17b6b06c5bef45de7e08c5c3cab8367f6cbc (patch)
treedd3fa4622021b7a94fc90ee9db925b13b116ca53 /drivers/bluetooth/btusb.c
parentBluetooth: hci_bcm: Remove duplicated entry in OF table (diff)
downloadlinux-8c0d17b6b06c5bef45de7e08c5c3cab8367f6cbc.tar.xz
linux-8c0d17b6b06c5bef45de7e08c5c3cab8367f6cbc.zip
Bluetooth: mediatek: add BT_MTK module
Add BT_MTK module that is a preliminary patch to introduce mt7921s support to share the logic betweem btusb and btmtksdio. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r--drivers/bluetooth/btusb.c331
1 files changed, 6 insertions, 325 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 87b71740fad8..88bfdf1347a7 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -24,6 +24,7 @@
#include "btintel.h"
#include "btbcm.h"
#include "btrtl.h"
+#include "btmtk.h"
#define VERSION "0.8"
@@ -2131,122 +2132,6 @@ 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, 6, 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)
{
@@ -2502,209 +2387,6 @@ 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;
@@ -2862,7 +2544,8 @@ 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);
/* It's Device EndPoint Reset Option Register */
btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
@@ -2908,7 +2591,8 @@ 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;
@@ -3069,9 +2753,6 @@ 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)
@@ -3873,7 +3554,7 @@ 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;
}