1 files changed, 51 insertions, 339 deletions

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 75c83768c257..30a057e1d4e3 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, 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 +2150,7 @@ 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 +2171,7 @@ 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 +2180,7 @@ 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 +2191,7 @@ 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 +2212,7 @@ 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 +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;
@@ -2857,7 +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);
@@ -2877,6 +2565,7 @@ 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 +2592,8 @@ 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 +2754,6 @@ 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)
@@ -3190,6 +2877,9 @@ 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;
@@ -3221,6 +2911,7 @@ 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 +3066,40 @@ 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) {
+		u16 board_id = le16_to_cpu(ver->board_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 +3108,7 @@ 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) {
@@ -3868,7 +3580,7 @@ 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;
 	}