[linux-2.6-block.git] / drivers / bluetooth / ath3k.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2008-2009 Atheros Communications Inc.
 */


#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/usb.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>

#define VERSION "1.0"
#define ATH3K_FIRMWARE	"ath3k-1.fw"

#define ATH3K_DNLOAD				0x01
#define ATH3K_GETSTATE				0x05
#define ATH3K_SET_NORMAL_MODE			0x07
#define ATH3K_GETVERSION			0x09
#define USB_REG_SWITCH_VID_PID			0x0a

#define ATH3K_MODE_MASK				0x3F
#define ATH3K_NORMAL_MODE			0x0E

#define ATH3K_PATCH_UPDATE			0x80
#define ATH3K_SYSCFG_UPDATE			0x40

#define ATH3K_XTAL_FREQ_26M			0x00
#define ATH3K_XTAL_FREQ_40M			0x01
#define ATH3K_XTAL_FREQ_19P2			0x02
#define ATH3K_NAME_LEN				0xFF

struct ath3k_version {
	__le32	rom_version;
	__le32	build_version;
	__le32	ram_version;
	__u8	ref_clock;
	__u8	reserved[7];
} __packed;

static const struct usb_device_id ath3k_table[] = {
	/* Atheros AR3011 */
	{ USB_DEVICE(0x0CF3, 0x3000) },

	/* Atheros AR3011 with sflash firmware*/
	{ USB_DEVICE(0x0489, 0xE027) },
	{ USB_DEVICE(0x0489, 0xE03D) },
	{ USB_DEVICE(0x04F2, 0xAFF1) },
	{ USB_DEVICE(0x0930, 0x0215) },
	{ USB_DEVICE(0x0CF3, 0x3002) },
	{ USB_DEVICE(0x0CF3, 0xE019) },
	{ USB_DEVICE(0x13d3, 0x3304) },

	/* Atheros AR9285 Malbec with sflash firmware */
	{ USB_DEVICE(0x03F0, 0x311D) },

	/* Atheros AR3012 with sflash firmware*/
	{ USB_DEVICE(0x0489, 0xe04d) },
	{ USB_DEVICE(0x0489, 0xe04e) },
	{ USB_DEVICE(0x0489, 0xe057) },
	{ USB_DEVICE(0x0489, 0xe056) },
	{ USB_DEVICE(0x0489, 0xe05f) },
	{ USB_DEVICE(0x0489, 0xe076) },
	{ USB_DEVICE(0x0489, 0xe078) },
	{ USB_DEVICE(0x0489, 0xe095) },
	{ USB_DEVICE(0x04c5, 0x1330) },
	{ USB_DEVICE(0x04CA, 0x3004) },
	{ USB_DEVICE(0x04CA, 0x3005) },
	{ USB_DEVICE(0x04CA, 0x3006) },
	{ USB_DEVICE(0x04CA, 0x3007) },
	{ USB_DEVICE(0x04CA, 0x3008) },
	{ USB_DEVICE(0x04CA, 0x300b) },
	{ USB_DEVICE(0x04CA, 0x300d) },
	{ USB_DEVICE(0x04CA, 0x300f) },
	{ USB_DEVICE(0x04CA, 0x3010) },
	{ USB_DEVICE(0x04CA, 0x3014) },
	{ USB_DEVICE(0x04CA, 0x3018) },
	{ USB_DEVICE(0x0930, 0x0219) },
	{ USB_DEVICE(0x0930, 0x021c) },
	{ USB_DEVICE(0x0930, 0x0220) },
	{ USB_DEVICE(0x0930, 0x0227) },
	{ USB_DEVICE(0x0b05, 0x17d0) },
	{ USB_DEVICE(0x0CF3, 0x0036) },
	{ USB_DEVICE(0x0CF3, 0x3004) },
	{ USB_DEVICE(0x0CF3, 0x3008) },
	{ USB_DEVICE(0x0CF3, 0x311D) },
	{ USB_DEVICE(0x0CF3, 0x311E) },
	{ USB_DEVICE(0x0CF3, 0x311F) },
	{ USB_DEVICE(0x0cf3, 0x3121) },
	{ USB_DEVICE(0x0CF3, 0x817a) },
	{ USB_DEVICE(0x0CF3, 0x817b) },
	{ USB_DEVICE(0x0cf3, 0xe003) },
	{ USB_DEVICE(0x0CF3, 0xE004) },
	{ USB_DEVICE(0x0CF3, 0xE005) },
	{ USB_DEVICE(0x0CF3, 0xE006) },
	{ USB_DEVICE(0x13d3, 0x3362) },
	{ USB_DEVICE(0x13d3, 0x3375) },
	{ USB_DEVICE(0x13d3, 0x3393) },
	{ USB_DEVICE(0x13d3, 0x3395) },
	{ USB_DEVICE(0x13d3, 0x3402) },
	{ USB_DEVICE(0x13d3, 0x3408) },
	{ USB_DEVICE(0x13d3, 0x3423) },
	{ USB_DEVICE(0x13d3, 0x3432) },
	{ USB_DEVICE(0x13d3, 0x3472) },
	{ USB_DEVICE(0x13d3, 0x3474) },
	{ USB_DEVICE(0x13d3, 0x3487) },
	{ USB_DEVICE(0x13d3, 0x3490) },

	/* Atheros AR5BBU12 with sflash firmware */
	{ USB_DEVICE(0x0489, 0xE02C) },

	/* Atheros AR5BBU22 with sflash firmware */
	{ USB_DEVICE(0x0489, 0xE036) },
	{ USB_DEVICE(0x0489, 0xE03C) },

	{ }	/* Terminating entry */
};

MODULE_DEVICE_TABLE(usb, ath3k_table);

#define BTUSB_ATH3012		0x80
/* This table is to load patch and sysconfig files
 * for AR3012
 */
static const struct usb_device_id ath3k_blist_tbl[] = {

	/* Atheros AR3012 with sflash firmware*/
	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },

	/* Atheros AR5BBU22 with sflash firmware */
	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },

	{ }	/* Terminating entry */
};

static inline void ath3k_log_failed_loading(int err, int len, int size,
					    int count)
{
	BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d",
	       err, len, size, count);
}

#define USB_REQ_DFU_DNLOAD	1
#define BULK_SIZE		4096
#define FW_HDR_SIZE		20
#define TIMEGAP_USEC_MIN	50
#define TIMEGAP_USEC_MAX	100

static int ath3k_load_firmware(struct usb_device *udev,
				const struct firmware *firmware)
{
	u8 *send_buf;
	int len = 0;
	int err, pipe, size, sent = 0;
	int count = firmware->size;

	BT_DBG("udev %p", udev);

	pipe = usb_sndctrlpipe(udev, 0);

	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
	if (!send_buf) {
		BT_ERR("Can't allocate memory chunk for firmware");
		return -ENOMEM;
	}

	memcpy(send_buf, firmware->data, FW_HDR_SIZE);
	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
			      0, 0, send_buf, FW_HDR_SIZE,
			      USB_CTRL_SET_TIMEOUT);
	if (err < 0) {
		BT_ERR("Can't change to loading configuration err");
		goto error;
	}
	sent += FW_HDR_SIZE;
	count -= FW_HDR_SIZE;

	pipe = usb_sndbulkpipe(udev, 0x02);

	while (count) {
		/* workaround the compatibility issue with xHCI controller*/
		usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);

		size = min_t(uint, count, BULK_SIZE);
		memcpy(send_buf, firmware->data + sent, size);

		err = usb_bulk_msg(udev, pipe, send_buf, size,
					&len, 3000);

		if (err || (len != size)) {
			ath3k_log_failed_loading(err, len, size, count);
			goto error;
		}

		sent  += size;
		count -= size;
	}

error:
	kfree(send_buf);
	return err;
}

static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
{
	int ret, pipe = 0;
	char *buf;

	buf = kmalloc(sizeof(*buf), GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	pipe = usb_rcvctrlpipe(udev, 0);
	ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
			      USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
			      buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);

	*state = *buf;
	kfree(buf);

	return ret;
}

static int ath3k_get_version(struct usb_device *udev,
			struct ath3k_version *version)
{
	int ret, pipe = 0;
	struct ath3k_version *buf;
	const int size = sizeof(*buf);

	buf = kmalloc(size, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	pipe = usb_rcvctrlpipe(udev, 0);
	ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
			      USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
			      buf, size, USB_CTRL_SET_TIMEOUT);

	memcpy(version, buf, size);
	kfree(buf);

	return ret;
}

static int ath3k_load_fwfile(struct usb_device *udev,
		const struct firmware *firmware)
{
	u8 *send_buf;
	int len = 0;
	int err, pipe, size, count, sent = 0;
	int ret;

	count = firmware->size;

	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
	if (!send_buf) {
		BT_ERR("Can't allocate memory chunk for firmware");
		return -ENOMEM;
	}

	size = min_t(uint, count, FW_HDR_SIZE);
	memcpy(send_buf, firmware->data, size);

	pipe = usb_sndctrlpipe(udev, 0);
	ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
			USB_TYPE_VENDOR, 0, 0, send_buf,
			size, USB_CTRL_SET_TIMEOUT);
	if (ret < 0) {
		BT_ERR("Can't change to loading configuration err");
		kfree(send_buf);
		return ret;
	}

	sent += size;
	count -= size;

	pipe = usb_sndbulkpipe(udev, 0x02);

	while (count) {
		/* workaround the compatibility issue with xHCI controller*/
		usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);

		size = min_t(uint, count, BULK_SIZE);
		memcpy(send_buf, firmware->data + sent, size);

		err = usb_bulk_msg(udev, pipe, send_buf, size,
					&len, 3000);
		if (err || (len != size)) {
			ath3k_log_failed_loading(err, len, size, count);
			kfree(send_buf);
			return err;
		}
		sent  += size;
		count -= size;
	}

	kfree(send_buf);
	return 0;
}

static int ath3k_switch_pid(struct usb_device *udev)
{
	int pipe = 0;

	pipe = usb_sndctrlpipe(udev, 0);
	return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
			USB_TYPE_VENDOR, 0, 0,
			NULL, 0, USB_CTRL_SET_TIMEOUT);
}

static int ath3k_set_normal_mode(struct usb_device *udev)
{
	unsigned char fw_state;
	int pipe = 0, ret;

	ret = ath3k_get_state(udev, &fw_state);
	if (ret < 0) {
		BT_ERR("Can't get state to change to normal mode err");
		return ret;
	}

	if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
		BT_DBG("firmware was already in normal mode");
		return 0;
	}

	pipe = usb_sndctrlpipe(udev, 0);
	return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
			USB_TYPE_VENDOR, 0, 0,
			NULL, 0, USB_CTRL_SET_TIMEOUT);
}

static int ath3k_load_patch(struct usb_device *udev)
{
	unsigned char fw_state;
	char filename[ATH3K_NAME_LEN];
	const struct firmware *firmware;
	struct ath3k_version fw_version;
	__u32 pt_rom_version, pt_build_version;
	int ret;

	ret = ath3k_get_state(udev, &fw_state);
	if (ret < 0) {
		BT_ERR("Can't get state to change to load ram patch err");
		return ret;
	}

	if (fw_state & ATH3K_PATCH_UPDATE) {
		BT_DBG("Patch was already downloaded");
		return 0;
	}

	ret = ath3k_get_version(udev, &fw_version);
	if (ret < 0) {
		BT_ERR("Can't get version to change to load ram patch err");
		return ret;
	}

	snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
		 le32_to_cpu(fw_version.rom_version));

	ret = request_firmware(&firmware, filename, &udev->dev);
	if (ret < 0) {
		BT_ERR("Patch file not found %s", filename);
		return ret;
	}

	pt_rom_version = get_unaligned_le32(firmware->data +
					    firmware->size - 8);
	pt_build_version = get_unaligned_le32(firmware->data +
					      firmware->size - 4);

	if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
	    pt_build_version <= le32_to_cpu(fw_version.build_version)) {
		BT_ERR("Patch file version did not match with firmware");
		release_firmware(firmware);
		return -EINVAL;
	}

	ret = ath3k_load_fwfile(udev, firmware);
	release_firmware(firmware);

	return ret;
}

static int ath3k_load_syscfg(struct usb_device *udev)
{
	unsigned char fw_state;
	char filename[ATH3K_NAME_LEN];
	const struct firmware *firmware;
	struct ath3k_version fw_version;
	int clk_value, ret;

	ret = ath3k_get_state(udev, &fw_state);
	if (ret < 0) {
		BT_ERR("Can't get state to change to load configuration err");
		return -EBUSY;
	}

	ret = ath3k_get_version(udev, &fw_version);
	if (ret < 0) {
		BT_ERR("Can't get version to change to load ram patch err");
		return ret;
	}

	switch (fw_version.ref_clock) {

	case ATH3K_XTAL_FREQ_26M:
		clk_value = 26;
		break;
	case ATH3K_XTAL_FREQ_40M:
		clk_value = 40;
		break;
	case ATH3K_XTAL_FREQ_19P2:
		clk_value = 19;
		break;
	default:
		clk_value = 0;
		break;
	}

	snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
		le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");

	ret = request_firmware(&firmware, filename, &udev->dev);
	if (ret < 0) {
		BT_ERR("Configuration file not found %s", filename);
		return ret;
	}

	ret = ath3k_load_fwfile(udev, firmware);
	release_firmware(firmware);

	return ret;
}

static int ath3k_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	const struct firmware *firmware;
	struct usb_device *udev = interface_to_usbdev(intf);
	int ret;

	BT_DBG("intf %p id %p", intf, id);

	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
		return -ENODEV;

	/* match device ID in ath3k blacklist table */
	if (!id->driver_info) {
		const struct usb_device_id *match;

		match = usb_match_id(intf, ath3k_blist_tbl);
		if (match)
			id = match;
	}

	/* load patch and sysconfig files for AR3012 */
	if (id->driver_info & BTUSB_ATH3012) {
		/* New firmware with patch and sysconfig files already loaded */
		if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
			return -ENODEV;

		ret = ath3k_load_patch(udev);
		if (ret < 0) {
			BT_ERR("Loading patch file failed");
			return ret;
		}
		ret = ath3k_load_syscfg(udev);
		if (ret < 0) {
			BT_ERR("Loading sysconfig file failed");
			return ret;
		}
		ret = ath3k_set_normal_mode(udev);
		if (ret < 0) {
			BT_ERR("Set normal mode failed");
			return ret;
		}
		ath3k_switch_pid(udev);
		return 0;
	}

	ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
	if (ret < 0) {
		if (ret == -ENOENT)
			BT_ERR("Firmware file \"%s\" not found",
							ATH3K_FIRMWARE);
		else
			BT_ERR("Firmware file \"%s\" request failed (err=%d)",
							ATH3K_FIRMWARE, ret);
		return ret;
	}

	ret = ath3k_load_firmware(udev, firmware);
	release_firmware(firmware);

	return ret;
}

static void ath3k_disconnect(struct usb_interface *intf)
{
	BT_DBG("%s intf %p", __func__, intf);
}

static struct usb_driver ath3k_driver = {
	.name		= "ath3k",
	.probe		= ath3k_probe,
	.disconnect	= ath3k_disconnect,
	.id_table	= ath3k_table,
	.disable_hub_initiated_lpm = 1,
};

module_usb_driver(ath3k_driver);

MODULE_AUTHOR("Atheros Communications");
MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(ATH3K_FIRMWARE);
Commit	Line	Data
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
9670d80a VK	2	/*
9670d80a VK	3	* Copyright (c) 2008-2009 Atheros Communications Inc.
9670d80a VK	4	*/
	5
	6
	7	#include <linux/module.h>
	8	#include <linux/kernel.h>
	9	#include <linux/init.h>
	10	#include <linux/slab.h>
	11	#include <linux/types.h>
	12	#include <linux/errno.h>
	13	#include <linux/device.h>
	14	#include <linux/firmware.h>
	15	#include <linux/usb.h>
72dd2b2a	16	#include <asm/unaligned.h>
9670d80a VK	17	#include <net/bluetooth/bluetooth.h>
	18
	19	#define VERSION "1.0"
c3eae82a	20	#define ATH3K_FIRMWARE "ath3k-1.fw"
9670d80a	21
d9f51b51 BS	22	#define ATH3K_DNLOAD 0x01
	23	#define ATH3K_GETSTATE 0x05
	24	#define ATH3K_SET_NORMAL_MODE 0x07
	25	#define ATH3K_GETVERSION 0x09
	26	#define USB_REG_SWITCH_VID_PID 0x0a
	27
	28	#define ATH3K_MODE_MASK 0x3F
	29	#define ATH3K_NORMAL_MODE 0x0E
	30
	31	#define ATH3K_PATCH_UPDATE 0x80
	32	#define ATH3K_SYSCFG_UPDATE 0x40
	33
	34	#define ATH3K_XTAL_FREQ_26M 0x00
	35	#define ATH3K_XTAL_FREQ_40M 0x01
	36	#define ATH3K_XTAL_FREQ_19P2 0x02
	37	#define ATH3K_NAME_LEN 0xFF
	38
	39	struct ath3k_version {
72dd2b2a MH	40	__le32 rom_version;
	41	__le32 build_version;
	42	__le32 ram_version;
	43	__u8 ref_clock;
	44	__u8 reserved[7];
	45	} __packed;
9670d80a	46
3932eb33	47	static const struct usb_device_id ath3k_table[] = {
9670d80a VK	48	/* Atheros AR3011 */
9670d80a VK	49	{ USB_DEVICE(0x0CF3, 0x3000) },
be93112a BS	50
be93112a BS	51	/* Atheros AR3011 with sflash firmware*/
0b880062 AS	52	{ USB_DEVICE(0x0489, 0xE027) },
0b880062 AS	53	{ USB_DEVICE(0x0489, 0xE03D) },
2eeff0b4	54	{ USB_DEVICE(0x04F2, 0xAFF1) },
0b880062	55	{ USB_DEVICE(0x0930, 0x0215) },
be93112a	56	{ USB_DEVICE(0x0CF3, 0x3002) },
6eda541d	57	{ USB_DEVICE(0x0CF3, 0xE019) },
2a7bcccc	58	{ USB_DEVICE(0x13d3, 0x3304) },
be93112a	59
509e7861 CYC	60	/* Atheros AR9285 Malbec with sflash firmware */
509e7861 CYC	61	{ USB_DEVICE(0x03F0, 0x311D) },
d9f51b51 BS	62
d9f51b51 BS	63	/* Atheros AR3012 with sflash firmware*/
0b880062 AS	64	{ USB_DEVICE(0x0489, 0xe04d) },
	65	{ USB_DEVICE(0x0489, 0xe04e) },
	66	{ USB_DEVICE(0x0489, 0xe057) },
	67	{ USB_DEVICE(0x0489, 0xe056) },
	68	{ USB_DEVICE(0x0489, 0xe05f) },
692c062e	69	{ USB_DEVICE(0x0489, 0xe076) },
4b552bc9	70	{ USB_DEVICE(0x0489, 0xe078) },
28c971d8	71	{ USB_DEVICE(0x0489, 0xe095) },
0b880062 AS	72	{ USB_DEVICE(0x04c5, 0x1330) },
	73	{ USB_DEVICE(0x04CA, 0x3004) },
	74	{ USB_DEVICE(0x04CA, 0x3005) },
	75	{ USB_DEVICE(0x04CA, 0x3006) },
1fb4e09a	76	{ USB_DEVICE(0x04CA, 0x3007) },
0b880062 AS	77	{ USB_DEVICE(0x04CA, 0x3008) },
0b880062 AS	78	{ USB_DEVICE(0x04CA, 0x300b) },
7e730c7f	79	{ USB_DEVICE(0x04CA, 0x300d) },
ec0810d2	80	{ USB_DEVICE(0x04CA, 0x300f) },
134d3b35	81	{ USB_DEVICE(0x04CA, 0x3010) },
81d90442	82	{ USB_DEVICE(0x04CA, 0x3014) },
441ad62d	83	{ USB_DEVICE(0x04CA, 0x3018) },
0b880062	84	{ USB_DEVICE(0x0930, 0x0219) },
cd355ff0	85	{ USB_DEVICE(0x0930, 0x021c) },
0b880062	86	{ USB_DEVICE(0x0930, 0x0220) },
89d2975f	87	{ USB_DEVICE(0x0930, 0x0227) },
a735f9e2	88	{ USB_DEVICE(0x0b05, 0x17d0) },
d66629c1	89	{ USB_DEVICE(0x0CF3, 0x0036) },
d9f51b51	90	{ USB_DEVICE(0x0CF3, 0x3004) },
94a32d10	91	{ USB_DEVICE(0x0CF3, 0x3008) },
07c0ea87	92	{ USB_DEVICE(0x0CF3, 0x311D) },
b131237c	93	{ USB_DEVICE(0x0CF3, 0x311E) },
1e56f1eb	94	{ USB_DEVICE(0x0CF3, 0x311F) },
0b880062	95	{ USB_DEVICE(0x0cf3, 0x3121) },
ebaf5795	96	{ USB_DEVICE(0x0CF3, 0x817a) },
18e0afab	97	{ USB_DEVICE(0x0CF3, 0x817b) },
0b880062	98	{ USB_DEVICE(0x0cf3, 0xe003) },
ac71311e	99	{ USB_DEVICE(0x0CF3, 0xE004) },
0a3658cc	100	{ USB_DEVICE(0x0CF3, 0xE005) },
ca79f232	101	{ USB_DEVICE(0x0CF3, 0xE006) },
0b880062 AS	102	{ USB_DEVICE(0x13d3, 0x3362) },
0b880062 AS	103	{ USB_DEVICE(0x13d3, 0x3375) },
eed307e2	104	{ USB_DEVICE(0x13d3, 0x3393) },
609574eb	105	{ USB_DEVICE(0x13d3, 0x3395) },
5b77a1f3	106	{ USB_DEVICE(0x13d3, 0x3402) },
3bb30a7c	107	{ USB_DEVICE(0x13d3, 0x3408) },
033efa92	108	{ USB_DEVICE(0x13d3, 0x3423) },
fa2f1394	109	{ USB_DEVICE(0x13d3, 0x3432) },
75c6aca4	110	{ USB_DEVICE(0x13d3, 0x3472) },
0d0cef61	111	{ USB_DEVICE(0x13d3, 0x3474) },
72f9f8b5	112	{ USB_DEVICE(0x13d3, 0x3487) },
12d86896	113	{ USB_DEVICE(0x13d3, 0x3490) },
d9f51b51	114
e9036e33 CYC	115	/* Atheros AR5BBU12 with sflash firmware */
e9036e33 CYC	116	{ USB_DEVICE(0x0489, 0xE02C) },
b67afe7f	117
85d59726	118	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	119	{ USB_DEVICE(0x0489, 0xE036) },
0b880062	120	{ USB_DEVICE(0x0489, 0xE03C) },
85d59726	121
9670d80a VK	122	{ } /* Terminating entry */
	123	};
	124
	125	MODULE_DEVICE_TABLE(usb, ath3k_table);
	126
d9f51b51 BS	127	#define BTUSB_ATH3012 0x80
d9f51b51 BS	128	/* This table is to load patch and sysconfig files
d98422cb DR	129	* for AR3012
d98422cb DR	130	*/
3932eb33	131	static const struct usb_device_id ath3k_blist_tbl[] = {
d9f51b51 BS	132
d9f51b51 BS	133	/* Atheros AR3012 with sflash firmware*/
0b880062 AS	134	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
	135	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
	136	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
	137	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
	138	{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e	139	{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9	140	{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
28c971d8	141	{ USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
0b880062 AS	142	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
	143	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
	144	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
	145	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a	146	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062 AS	147	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
0b880062 AS	148	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f	149	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2	150	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35	151	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
81d90442	152	{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
441ad62d	153	{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
0b880062	154	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0	155	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062	156	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f	157	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2	158	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1	159	{ USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
d9f51b51	160	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10	161	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87	162	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
b131237c	163	{ USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
1e56f1eb	164	{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
0b880062	165	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795	166	{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab	167	{ USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
ac71311e	168	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc	169	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232	170	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062 AS	171	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
	172	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
	173	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2	174	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
609574eb	175	{ USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
5b77a1f3	176	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c	177	{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92	178	{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394	179	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
75c6aca4	180	{ USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
0d0cef61	181	{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
72f9f8b5	182	{ USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
12d86896	183	{ USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
d9f51b51	184
85d59726	185	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	186	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
0b880062	187	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
85d59726	188
d9f51b51 BS	189	{ } /* Terminating entry */
	190	};
	191
d6b372f6 LCR	192	static inline void ath3k_log_failed_loading(int err, int len, int size,
d6b372f6 LCR	193	int count)
3d08f43c	194	{
d6b372f6 LCR	195	BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d",
d6b372f6 LCR	196	err, len, size, count);
3d08f43c MZ	197	}
3d08f43c MZ	198
9670d80a VK	199	#define USB_REQ_DFU_DNLOAD 1
9670d80a VK	200	#define BULK_SIZE 4096
d9f51b51	201	#define FW_HDR_SIZE 20
c561a575 AL	202	#define TIMEGAP_USEC_MIN 50
c561a575 AL	203	#define TIMEGAP_USEC_MAX 100
9670d80a	204
86e09287 AH	205	static int ath3k_load_firmware(struct usb_device *udev,
86e09287 AH	206	const struct firmware *firmware)
9670d80a VK	207	{
9670d80a VK	208	u8 *send_buf;
e9fc7164 DC	209	int len = 0;
e9fc7164 DC	210	int err, pipe, size, sent = 0;
86e09287	211	int count = firmware->size;
9670d80a	212
86e09287	213	BT_DBG("udev %p", udev);
9670d80a	214
86e09287	215	pipe = usb_sndctrlpipe(udev, 0);
9670d80a	216
52a1020e	217	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
86e09287 AH	218	if (!send_buf) {
	219	BT_ERR("Can't allocate memory chunk for firmware");
	220	return -ENOMEM;
	221	}
	222
8b077bdb	223	memcpy(send_buf, firmware->data, FW_HDR_SIZE);
a08b15e6	224	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
8b077bdb MZ	225	0, 0, send_buf, FW_HDR_SIZE,
8b077bdb MZ	226	USB_CTRL_SET_TIMEOUT);
a08b15e6	227	if (err < 0) {
9670d80a	228	BT_ERR("Can't change to loading configuration err");
86e09287	229	goto error;
9670d80a	230	}
8b077bdb MZ	231	sent += FW_HDR_SIZE;
8b077bdb MZ	232	count -= FW_HDR_SIZE;
9670d80a	233
3abb56de AL	234	pipe = usb_sndbulkpipe(udev, 0x02);
3abb56de AL	235
9670d80a	236	while (count) {
c561a575 AL	237	/* workaround the compatibility issue with xHCI controller*/
	238	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	239
9670d80a	240	size = min_t(uint, count, BULK_SIZE);
86e09287	241	memcpy(send_buf, firmware->data + sent, size);
9670d80a	242
86e09287	243	err = usb_bulk_msg(udev, pipe, send_buf, size,
9670d80a VK	244	&len, 3000);
	245
	246	if (err \|\| (len != size)) {
d6b372f6	247	ath3k_log_failed_loading(err, len, size, count);
9670d80a VK	248	goto error;
	249	}
	250
	251	sent += size;
	252	count -= size;
	253	}
	254
9670d80a VK	255	error:
	256	kfree(send_buf);
	257	return err;
	258	}
	259
d9f51b51 BS	260	static int ath3k_get_state(struct usb_device udev, unsigned char state)
d9f51b51 BS	261	{
517828a8 SG	262	int ret, pipe = 0;
	263	char *buf;
	264
	265	buf = kmalloc(sizeof(*buf), GFP_KERNEL);
	266	if (!buf)
	267	return -ENOMEM;
d9f51b51 BS	268
d9f51b51 BS	269	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	270	ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
	271	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	272	buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
	273
	274	state = buf;
	275	kfree(buf);
	276
	277	return ret;
d9f51b51 BS	278	}
	279
	280	static int ath3k_get_version(struct usb_device *udev,
	281	struct ath3k_version *version)
	282	{
517828a8 SG	283	int ret, pipe = 0;
	284	struct ath3k_version *buf;
	285	const int size = sizeof(*buf);
	286
	287	buf = kmalloc(size, GFP_KERNEL);
	288	if (!buf)
	289	return -ENOMEM;
d9f51b51 BS	290
d9f51b51 BS	291	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	292	ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
	293	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	294	buf, size, USB_CTRL_SET_TIMEOUT);
	295
	296	memcpy(version, buf, size);
	297	kfree(buf);
	298
	299	return ret;
d9f51b51 BS	300	}
	301
	302	static int ath3k_load_fwfile(struct usb_device *udev,
	303	const struct firmware *firmware)
	304	{
	305	u8 *send_buf;
e9fc7164 DC	306	int len = 0;
e9fc7164 DC	307	int err, pipe, size, count, sent = 0;
d9f51b51 BS	308	int ret;
	309
	310	count = firmware->size;
	311
52a1020e	312	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
d9f51b51 BS	313	if (!send_buf) {
	314	BT_ERR("Can't allocate memory chunk for firmware");
	315	return -ENOMEM;
	316	}
	317
	318	size = min_t(uint, count, FW_HDR_SIZE);
	319	memcpy(send_buf, firmware->data, size);
	320
	321	pipe = usb_sndctrlpipe(udev, 0);
	322	ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
	323	USB_TYPE_VENDOR, 0, 0, send_buf,
	324	size, USB_CTRL_SET_TIMEOUT);
	325	if (ret < 0) {
	326	BT_ERR("Can't change to loading configuration err");
	327	kfree(send_buf);
	328	return ret;
	329	}
	330
	331	sent += size;
	332	count -= size;
	333
b0c3e138 AL	334	pipe = usb_sndbulkpipe(udev, 0x02);
b0c3e138 AL	335
d9f51b51	336	while (count) {
c561a575 AL	337	/* workaround the compatibility issue with xHCI controller*/
	338	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	339
d9f51b51	340	size = min_t(uint, count, BULK_SIZE);
d9f51b51 BS	341	memcpy(send_buf, firmware->data + sent, size);
	342
	343	err = usb_bulk_msg(udev, pipe, send_buf, size,
	344	&len, 3000);
	345	if (err \|\| (len != size)) {
d6b372f6	346	ath3k_log_failed_loading(err, len, size, count);
d9f51b51 BS	347	kfree(send_buf);
	348	return err;
	349	}
	350	sent += size;
	351	count -= size;
	352	}
	353
	354	kfree(send_buf);
	355	return 0;
	356	}
	357
	358	static int ath3k_switch_pid(struct usb_device *udev)
	359	{
	360	int pipe = 0;
	361
	362	pipe = usb_sndctrlpipe(udev, 0);
	363	return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
	364	USB_TYPE_VENDOR, 0, 0,
	365	NULL, 0, USB_CTRL_SET_TIMEOUT);
	366	}
	367
	368	static int ath3k_set_normal_mode(struct usb_device *udev)
	369	{
	370	unsigned char fw_state;
	371	int pipe = 0, ret;
	372
	373	ret = ath3k_get_state(udev, &fw_state);
	374	if (ret < 0) {
	375	BT_ERR("Can't get state to change to normal mode err");
	376	return ret;
	377	}
	378
	379	if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
	380	BT_DBG("firmware was already in normal mode");
	381	return 0;
	382	}
	383
	384	pipe = usb_sndctrlpipe(udev, 0);
	385	return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
	386	USB_TYPE_VENDOR, 0, 0,
	387	NULL, 0, USB_CTRL_SET_TIMEOUT);
	388	}
	389
	390	static int ath3k_load_patch(struct usb_device *udev)
	391	{
	392	unsigned char fw_state;
b3baa242	393	char filename[ATH3K_NAME_LEN];
d9f51b51	394	const struct firmware *firmware;
72dd2b2a MH	395	struct ath3k_version fw_version;
72dd2b2a MH	396	__u32 pt_rom_version, pt_build_version;
d9f51b51 BS	397	int ret;
	398
	399	ret = ath3k_get_state(udev, &fw_state);
	400	if (ret < 0) {
	401	BT_ERR("Can't get state to change to load ram patch err");
	402	return ret;
	403	}
	404
	405	if (fw_state & ATH3K_PATCH_UPDATE) {
	406	BT_DBG("Patch was already downloaded");
	407	return 0;
	408	}
	409
	410	ret = ath3k_get_version(udev, &fw_version);
	411	if (ret < 0) {
	412	BT_ERR("Can't get version to change to load ram patch err");
	413	return ret;
	414	}
	415
	416	snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
72dd2b2a	417	le32_to_cpu(fw_version.rom_version));
d9f51b51 BS	418
	419	ret = request_firmware(&firmware, filename, &udev->dev);
	420	if (ret < 0) {
	421	BT_ERR("Patch file not found %s", filename);
	422	return ret;
	423	}
	424
72dd2b2a MH	425	pt_rom_version = get_unaligned_le32(firmware->data +
	426	firmware->size - 8);
	427	pt_build_version = get_unaligned_le32(firmware->data +
	428	firmware->size - 4);
d9f51b51	429
72dd2b2a MH	430	if (pt_rom_version != le32_to_cpu(fw_version.rom_version) \|\|
72dd2b2a MH	431	pt_build_version <= le32_to_cpu(fw_version.build_version)) {
d9f51b51 BS	432	BT_ERR("Patch file version did not match with firmware");
	433	release_firmware(firmware);
	434	return -EINVAL;
	435	}
	436
	437	ret = ath3k_load_fwfile(udev, firmware);
	438	release_firmware(firmware);
	439
	440	return ret;
	441	}
	442
	443	static int ath3k_load_syscfg(struct usb_device *udev)
	444	{
	445	unsigned char fw_state;
b3baa242	446	char filename[ATH3K_NAME_LEN];
d9f51b51 BS	447	const struct firmware *firmware;
	448	struct ath3k_version fw_version;
	449	int clk_value, ret;
	450
	451	ret = ath3k_get_state(udev, &fw_state);
	452	if (ret < 0) {
8a168ca7	453	BT_ERR("Can't get state to change to load configuration err");
d9f51b51 BS	454	return -EBUSY;
	455	}
	456
	457	ret = ath3k_get_version(udev, &fw_version);
	458	if (ret < 0) {
	459	BT_ERR("Can't get version to change to load ram patch err");
	460	return ret;
	461	}
	462
	463	switch (fw_version.ref_clock) {
	464
	465	case ATH3K_XTAL_FREQ_26M:
	466	clk_value = 26;
	467	break;
	468	case ATH3K_XTAL_FREQ_40M:
	469	clk_value = 40;
	470	break;
	471	case ATH3K_XTAL_FREQ_19P2:
	472	clk_value = 19;
	473	break;
	474	default:
	475	clk_value = 0;
	476	break;
	477	}
	478
	479	snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
b9e2535a	480	le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
d9f51b51 BS	481
	482	ret = request_firmware(&firmware, filename, &udev->dev);
	483	if (ret < 0) {
	484	BT_ERR("Configuration file not found %s", filename);
	485	return ret;
	486	}
	487
	488	ret = ath3k_load_fwfile(udev, firmware);
	489	release_firmware(firmware);
	490
	491	return ret;
	492	}
	493
9670d80a VK	494	static int ath3k_probe(struct usb_interface *intf,
	495	const struct usb_device_id *id)
	496	{
	497	const struct firmware *firmware;
	498	struct usb_device *udev = interface_to_usbdev(intf);
84f0e17f	499	int ret;
9670d80a VK	500
	501	BT_DBG("intf %p id %p", intf, id);
	502
	503	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
	504	return -ENODEV;
	505
d9f51b51 BS	506	/* match device ID in ath3k blacklist table */
	507	if (!id->driver_info) {
	508	const struct usb_device_id *match;
d2ee9c2e	509
d9f51b51 BS	510	match = usb_match_id(intf, ath3k_blist_tbl);
	511	if (match)
	512	id = match;
	513	}
	514
	515	/* load patch and sysconfig files for AR3012 */
	516	if (id->driver_info & BTUSB_ATH3012) {
2d25f8b4 SL	517	/* New firmware with patch and sysconfig files already loaded */
	518	if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
	519	return -ENODEV;
	520
d9f51b51 BS	521	ret = ath3k_load_patch(udev);
	522	if (ret < 0) {
	523	BT_ERR("Loading patch file failed");
	524	return ret;
	525	}
	526	ret = ath3k_load_syscfg(udev);
	527	if (ret < 0) {
	528	BT_ERR("Loading sysconfig file failed");
	529	return ret;
	530	}
	531	ret = ath3k_set_normal_mode(udev);
	532	if (ret < 0) {
	533	BT_ERR("Set normal mode failed");
	534	return ret;
	535	}
	536	ath3k_switch_pid(udev);
	537	return 0;
	538	}
	539
c3eae82a PF	540	ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
	541	if (ret < 0) {
	542	if (ret == -ENOENT)
	543	BT_ERR("Firmware file \"%s\" not found",
	544	ATH3K_FIRMWARE);
	545	else
	546	BT_ERR("Firmware file \"%s\" request failed (err=%d)",
	547	ATH3K_FIRMWARE, ret);
	548	return ret;
9670d80a VK	549	}
9670d80a VK	550
84f0e17f	551	ret = ath3k_load_firmware(udev, firmware);
86e09287	552	release_firmware(firmware);
9670d80a	553
84f0e17f	554	return ret;
9670d80a VK	555	}
	556
	557	static void ath3k_disconnect(struct usb_interface *intf)
	558	{
0a21963a	559	BT_DBG("%s intf %p", __func__, intf);
9670d80a VK	560	}
	561
	562	static struct usb_driver ath3k_driver = {
	563	.name = "ath3k",
	564	.probe = ath3k_probe,
	565	.disconnect = ath3k_disconnect,
	566	.id_table = ath3k_table,
e1f12eb6	567	.disable_hub_initiated_lpm = 1,
9670d80a VK	568	};
9670d80a VK	569
93f1508c	570	module_usb_driver(ath3k_driver);
9670d80a VK	571
	572	MODULE_AUTHOR("Atheros Communications");
	573	MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
	574	MODULE_VERSION(VERSION);
	575	MODULE_LICENSE("GPL");
c3eae82a	576	MODULE_FIRMWARE(ATH3K_FIRMWARE);