[deliverable/linux.git] / drivers / bluetooth / ath3k.c

/*
 * Copyright (c) 2008-2009 Atheros Communications Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */


#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(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(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, 0x3402) },
	{ USB_DEVICE(0x13d3, 0x3408) },
	{ USB_DEVICE(0x13d3, 0x3423) },
	{ USB_DEVICE(0x13d3, 0x3432) },
	{ USB_DEVICE(0x13d3, 0x3474) },

	/* 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(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(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, 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, 0x3474), .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 */
};

#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 err, pipe, len, 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, 20);
	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
			      0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
	if (err < 0) {
		BT_ERR("Can't change to loading configuration err");
		goto error;
	}
	sent += 20;
	count -= 20;

	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)) {
			BT_ERR("Error in firmware loading err = %d,"
				"len = %d, size = %d", err, len, size);
			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 err, pipe, len, 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)) {
			BT_ERR("Error in firmware loading err = %d,"
				"len = %d, size = %d", err, len, size);
			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] = {0};
	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] = {0};
	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("ath3k_disconnect intf %p", 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
9670d80a VK	1	/*
	2	* Copyright (c) 2008-2009 Atheros Communications Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	17	*
	18	*/
	19
	20
	21	#include <linux/module.h>
	22	#include <linux/kernel.h>
	23	#include <linux/init.h>
	24	#include <linux/slab.h>
	25	#include <linux/types.h>
	26	#include <linux/errno.h>
	27	#include <linux/device.h>
	28	#include <linux/firmware.h>
	29	#include <linux/usb.h>
72dd2b2a	30	#include <asm/unaligned.h>
9670d80a VK	31	#include <net/bluetooth/bluetooth.h>
	32
	33	#define VERSION "1.0"
c3eae82a	34	#define ATH3K_FIRMWARE "ath3k-1.fw"
9670d80a	35
d9f51b51 BS	36	#define ATH3K_DNLOAD 0x01
	37	#define ATH3K_GETSTATE 0x05
	38	#define ATH3K_SET_NORMAL_MODE 0x07
	39	#define ATH3K_GETVERSION 0x09
	40	#define USB_REG_SWITCH_VID_PID 0x0a
	41
	42	#define ATH3K_MODE_MASK 0x3F
	43	#define ATH3K_NORMAL_MODE 0x0E
	44
	45	#define ATH3K_PATCH_UPDATE 0x80
	46	#define ATH3K_SYSCFG_UPDATE 0x40
	47
	48	#define ATH3K_XTAL_FREQ_26M 0x00
	49	#define ATH3K_XTAL_FREQ_40M 0x01
	50	#define ATH3K_XTAL_FREQ_19P2 0x02
	51	#define ATH3K_NAME_LEN 0xFF
	52
	53	struct ath3k_version {
72dd2b2a MH	54	__le32 rom_version;
	55	__le32 build_version;
	56	__le32 ram_version;
	57	__u8 ref_clock;
	58	__u8 reserved[7];
	59	} __packed;
9670d80a	60
3932eb33	61	static const struct usb_device_id ath3k_table[] = {
9670d80a VK	62	/* Atheros AR3011 */
9670d80a VK	63	{ USB_DEVICE(0x0CF3, 0x3000) },
be93112a BS	64
be93112a BS	65	/* Atheros AR3011 with sflash firmware*/
0b880062 AS	66	{ USB_DEVICE(0x0489, 0xE027) },
0b880062 AS	67	{ USB_DEVICE(0x0489, 0xE03D) },
2eeff0b4	68	{ USB_DEVICE(0x04F2, 0xAFF1) },
0b880062	69	{ USB_DEVICE(0x0930, 0x0215) },
be93112a	70	{ USB_DEVICE(0x0CF3, 0x3002) },
6eda541d	71	{ USB_DEVICE(0x0CF3, 0xE019) },
2a7bcccc	72	{ USB_DEVICE(0x13d3, 0x3304) },
be93112a	73
509e7861 CYC	74	/* Atheros AR9285 Malbec with sflash firmware */
509e7861 CYC	75	{ USB_DEVICE(0x03F0, 0x311D) },
d9f51b51 BS	76
d9f51b51 BS	77	/* Atheros AR3012 with sflash firmware*/
0b880062 AS	78	{ USB_DEVICE(0x0489, 0xe04d) },
	79	{ USB_DEVICE(0x0489, 0xe04e) },
	80	{ USB_DEVICE(0x0489, 0xe057) },
	81	{ USB_DEVICE(0x0489, 0xe056) },
	82	{ USB_DEVICE(0x0489, 0xe05f) },
692c062e	83	{ USB_DEVICE(0x0489, 0xe076) },
4b552bc9	84	{ USB_DEVICE(0x0489, 0xe078) },
0b880062 AS	85	{ USB_DEVICE(0x04c5, 0x1330) },
	86	{ USB_DEVICE(0x04CA, 0x3004) },
	87	{ USB_DEVICE(0x04CA, 0x3005) },
	88	{ USB_DEVICE(0x04CA, 0x3006) },
1fb4e09a	89	{ USB_DEVICE(0x04CA, 0x3007) },
0b880062 AS	90	{ USB_DEVICE(0x04CA, 0x3008) },
0b880062 AS	91	{ USB_DEVICE(0x04CA, 0x300b) },
7e730c7f	92	{ USB_DEVICE(0x04CA, 0x300d) },
ec0810d2	93	{ USB_DEVICE(0x04CA, 0x300f) },
134d3b35	94	{ USB_DEVICE(0x04CA, 0x3010) },
0b880062	95	{ USB_DEVICE(0x0930, 0x0219) },
cd355ff0	96	{ USB_DEVICE(0x0930, 0x021c) },
0b880062	97	{ USB_DEVICE(0x0930, 0x0220) },
89d2975f	98	{ USB_DEVICE(0x0930, 0x0227) },
a735f9e2	99	{ USB_DEVICE(0x0b05, 0x17d0) },
d66629c1	100	{ USB_DEVICE(0x0CF3, 0x0036) },
d9f51b51	101	{ USB_DEVICE(0x0CF3, 0x3004) },
94a32d10	102	{ USB_DEVICE(0x0CF3, 0x3008) },
07c0ea87	103	{ USB_DEVICE(0x0CF3, 0x311D) },
b131237c	104	{ USB_DEVICE(0x0CF3, 0x311E) },
1e56f1eb	105	{ USB_DEVICE(0x0CF3, 0x311F) },
0b880062	106	{ USB_DEVICE(0x0cf3, 0x3121) },
ebaf5795	107	{ USB_DEVICE(0x0CF3, 0x817a) },
18e0afab	108	{ USB_DEVICE(0x0CF3, 0x817b) },
0b880062	109	{ USB_DEVICE(0x0cf3, 0xe003) },
ac71311e	110	{ USB_DEVICE(0x0CF3, 0xE004) },
0a3658cc	111	{ USB_DEVICE(0x0CF3, 0xE005) },
ca79f232	112	{ USB_DEVICE(0x0CF3, 0xE006) },
0b880062 AS	113	{ USB_DEVICE(0x13d3, 0x3362) },
0b880062 AS	114	{ USB_DEVICE(0x13d3, 0x3375) },
eed307e2	115	{ USB_DEVICE(0x13d3, 0x3393) },
5b77a1f3	116	{ USB_DEVICE(0x13d3, 0x3402) },
3bb30a7c	117	{ USB_DEVICE(0x13d3, 0x3408) },
033efa92	118	{ USB_DEVICE(0x13d3, 0x3423) },
fa2f1394	119	{ USB_DEVICE(0x13d3, 0x3432) },
0d0cef61	120	{ USB_DEVICE(0x13d3, 0x3474) },
d9f51b51	121
e9036e33 CYC	122	/* Atheros AR5BBU12 with sflash firmware */
e9036e33 CYC	123	{ USB_DEVICE(0x0489, 0xE02C) },
b67afe7f	124
85d59726	125	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	126	{ USB_DEVICE(0x0489, 0xE036) },
0b880062	127	{ USB_DEVICE(0x0489, 0xE03C) },
85d59726	128
9670d80a VK	129	{ } /* Terminating entry */
	130	};
	131
	132	MODULE_DEVICE_TABLE(usb, ath3k_table);
	133
d9f51b51 BS	134	#define BTUSB_ATH3012 0x80
	135	/* This table is to load patch and sysconfig files
	136	* for AR3012 */
3932eb33	137	static const struct usb_device_id ath3k_blist_tbl[] = {
d9f51b51 BS	138
d9f51b51 BS	139	/* Atheros AR3012 with sflash firmware*/
0b880062 AS	140	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
	141	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
	142	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
	143	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
	144	{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e	145	{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9	146	{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
0b880062 AS	147	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
	148	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
	149	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
	150	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a	151	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062 AS	152	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
0b880062 AS	153	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f	154	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2	155	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35	156	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
0b880062	157	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0	158	{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062	159	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f	160	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2	161	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1	162	{ USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
d9f51b51	163	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10	164	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87	165	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
b131237c	166	{ USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
1e56f1eb	167	{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
0b880062	168	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795	169	{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab	170	{ USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
ac71311e	171	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc	172	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232	173	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062 AS	174	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
	175	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
	176	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2	177	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
5b77a1f3	178	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c	179	{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92	180	{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394	181	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
0d0cef61	182	{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
d9f51b51	183
85d59726	184	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	185	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
0b880062	186	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
85d59726	187
d9f51b51 BS	188	{ } /* Terminating entry */
	189	};
	190
9670d80a VK	191	#define USB_REQ_DFU_DNLOAD 1
9670d80a VK	192	#define BULK_SIZE 4096
d9f51b51	193	#define FW_HDR_SIZE 20
c561a575 AL	194	#define TIMEGAP_USEC_MIN 50
c561a575 AL	195	#define TIMEGAP_USEC_MAX 100
9670d80a	196
86e09287 AH	197	static int ath3k_load_firmware(struct usb_device *udev,
86e09287 AH	198	const struct firmware *firmware)
9670d80a VK	199	{
	200	u8 *send_buf;
	201	int err, pipe, len, size, sent = 0;
86e09287	202	int count = firmware->size;
9670d80a	203
86e09287	204	BT_DBG("udev %p", udev);
9670d80a	205
86e09287	206	pipe = usb_sndctrlpipe(udev, 0);
9670d80a	207
52a1020e	208	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
86e09287 AH	209	if (!send_buf) {
	210	BT_ERR("Can't allocate memory chunk for firmware");
	211	return -ENOMEM;
	212	}
	213
	214	memcpy(send_buf, firmware->data, 20);
a08b15e6 VI	215	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
	216	0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
	217	if (err < 0) {
9670d80a	218	BT_ERR("Can't change to loading configuration err");
86e09287	219	goto error;
9670d80a VK	220	}
	221	sent += 20;
	222	count -= 20;
	223
3abb56de AL	224	pipe = usb_sndbulkpipe(udev, 0x02);
3abb56de AL	225
9670d80a	226	while (count) {
c561a575 AL	227	/* workaround the compatibility issue with xHCI controller*/
	228	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	229
9670d80a	230	size = min_t(uint, count, BULK_SIZE);
86e09287	231	memcpy(send_buf, firmware->data + sent, size);
9670d80a	232
86e09287	233	err = usb_bulk_msg(udev, pipe, send_buf, size,
9670d80a VK	234	&len, 3000);
	235
	236	if (err \|\| (len != size)) {
	237	BT_ERR("Error in firmware loading err = %d,"
	238	"len = %d, size = %d", err, len, size);
	239	goto error;
	240	}
	241
	242	sent += size;
	243	count -= size;
	244	}
	245
9670d80a VK	246	error:
	247	kfree(send_buf);
	248	return err;
	249	}
	250
d9f51b51 BS	251	static int ath3k_get_state(struct usb_device udev, unsigned char state)
d9f51b51 BS	252	{
517828a8 SG	253	int ret, pipe = 0;
	254	char *buf;
	255
	256	buf = kmalloc(sizeof(*buf), GFP_KERNEL);
	257	if (!buf)
	258	return -ENOMEM;
d9f51b51 BS	259
d9f51b51 BS	260	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	261	ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
	262	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	263	buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
	264
	265	state = buf;
	266	kfree(buf);
	267
	268	return ret;
d9f51b51 BS	269	}
	270
	271	static int ath3k_get_version(struct usb_device *udev,
	272	struct ath3k_version *version)
	273	{
517828a8 SG	274	int ret, pipe = 0;
	275	struct ath3k_version *buf;
	276	const int size = sizeof(*buf);
	277
	278	buf = kmalloc(size, GFP_KERNEL);
	279	if (!buf)
	280	return -ENOMEM;
d9f51b51 BS	281
d9f51b51 BS	282	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	283	ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
	284	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	285	buf, size, USB_CTRL_SET_TIMEOUT);
	286
	287	memcpy(version, buf, size);
	288	kfree(buf);
	289
	290	return ret;
d9f51b51 BS	291	}
	292
	293	static int ath3k_load_fwfile(struct usb_device *udev,
	294	const struct firmware *firmware)
	295	{
	296	u8 *send_buf;
	297	int err, pipe, len, size, count, sent = 0;
	298	int ret;
	299
	300	count = firmware->size;
	301
52a1020e	302	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
d9f51b51 BS	303	if (!send_buf) {
	304	BT_ERR("Can't allocate memory chunk for firmware");
	305	return -ENOMEM;
	306	}
	307
	308	size = min_t(uint, count, FW_HDR_SIZE);
	309	memcpy(send_buf, firmware->data, size);
	310
	311	pipe = usb_sndctrlpipe(udev, 0);
	312	ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
	313	USB_TYPE_VENDOR, 0, 0, send_buf,
	314	size, USB_CTRL_SET_TIMEOUT);
	315	if (ret < 0) {
	316	BT_ERR("Can't change to loading configuration err");
	317	kfree(send_buf);
	318	return ret;
	319	}
	320
	321	sent += size;
	322	count -= size;
	323
b0c3e138 AL	324	pipe = usb_sndbulkpipe(udev, 0x02);
b0c3e138 AL	325
d9f51b51	326	while (count) {
c561a575 AL	327	/* workaround the compatibility issue with xHCI controller*/
	328	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	329
d9f51b51	330	size = min_t(uint, count, BULK_SIZE);
d9f51b51 BS	331	memcpy(send_buf, firmware->data + sent, size);
	332
	333	err = usb_bulk_msg(udev, pipe, send_buf, size,
	334	&len, 3000);
	335	if (err \|\| (len != size)) {
	336	BT_ERR("Error in firmware loading err = %d,"
	337	"len = %d, size = %d", err, len, size);
	338	kfree(send_buf);
	339	return err;
	340	}
	341	sent += size;
	342	count -= size;
	343	}
	344
	345	kfree(send_buf);
	346	return 0;
	347	}
	348
	349	static int ath3k_switch_pid(struct usb_device *udev)
	350	{
	351	int pipe = 0;
	352
	353	pipe = usb_sndctrlpipe(udev, 0);
	354	return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
	355	USB_TYPE_VENDOR, 0, 0,
	356	NULL, 0, USB_CTRL_SET_TIMEOUT);
	357	}
	358
	359	static int ath3k_set_normal_mode(struct usb_device *udev)
	360	{
	361	unsigned char fw_state;
	362	int pipe = 0, ret;
	363
	364	ret = ath3k_get_state(udev, &fw_state);
	365	if (ret < 0) {
	366	BT_ERR("Can't get state to change to normal mode err");
	367	return ret;
	368	}
	369
	370	if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
	371	BT_DBG("firmware was already in normal mode");
	372	return 0;
	373	}
	374
	375	pipe = usb_sndctrlpipe(udev, 0);
	376	return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
	377	USB_TYPE_VENDOR, 0, 0,
	378	NULL, 0, USB_CTRL_SET_TIMEOUT);
	379	}
	380
	381	static int ath3k_load_patch(struct usb_device *udev)
	382	{
	383	unsigned char fw_state;
	384	char filename[ATH3K_NAME_LEN] = {0};
	385	const struct firmware *firmware;
72dd2b2a MH	386	struct ath3k_version fw_version;
72dd2b2a MH	387	__u32 pt_rom_version, pt_build_version;
d9f51b51 BS	388	int ret;
	389
	390	ret = ath3k_get_state(udev, &fw_state);
	391	if (ret < 0) {
	392	BT_ERR("Can't get state to change to load ram patch err");
	393	return ret;
	394	}
	395
	396	if (fw_state & ATH3K_PATCH_UPDATE) {
	397	BT_DBG("Patch was already downloaded");
	398	return 0;
	399	}
	400
	401	ret = ath3k_get_version(udev, &fw_version);
	402	if (ret < 0) {
	403	BT_ERR("Can't get version to change to load ram patch err");
	404	return ret;
	405	}
	406
	407	snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
72dd2b2a	408	le32_to_cpu(fw_version.rom_version));
d9f51b51 BS	409
	410	ret = request_firmware(&firmware, filename, &udev->dev);
	411	if (ret < 0) {
	412	BT_ERR("Patch file not found %s", filename);
	413	return ret;
	414	}
	415
72dd2b2a MH	416	pt_rom_version = get_unaligned_le32(firmware->data +
	417	firmware->size - 8);
	418	pt_build_version = get_unaligned_le32(firmware->data +
	419	firmware->size - 4);
d9f51b51	420
72dd2b2a MH	421	if (pt_rom_version != le32_to_cpu(fw_version.rom_version) \|\|
72dd2b2a MH	422	pt_build_version <= le32_to_cpu(fw_version.build_version)) {
d9f51b51 BS	423	BT_ERR("Patch file version did not match with firmware");
	424	release_firmware(firmware);
	425	return -EINVAL;
	426	}
	427
	428	ret = ath3k_load_fwfile(udev, firmware);
	429	release_firmware(firmware);
	430
	431	return ret;
	432	}
	433
	434	static int ath3k_load_syscfg(struct usb_device *udev)
	435	{
	436	unsigned char fw_state;
	437	char filename[ATH3K_NAME_LEN] = {0};
	438	const struct firmware *firmware;
	439	struct ath3k_version fw_version;
	440	int clk_value, ret;
	441
	442	ret = ath3k_get_state(udev, &fw_state);
	443	if (ret < 0) {
8a168ca7	444	BT_ERR("Can't get state to change to load configuration err");
d9f51b51 BS	445	return -EBUSY;
	446	}
	447
	448	ret = ath3k_get_version(udev, &fw_version);
	449	if (ret < 0) {
	450	BT_ERR("Can't get version to change to load ram patch err");
	451	return ret;
	452	}
	453
	454	switch (fw_version.ref_clock) {
	455
	456	case ATH3K_XTAL_FREQ_26M:
	457	clk_value = 26;
	458	break;
	459	case ATH3K_XTAL_FREQ_40M:
	460	clk_value = 40;
	461	break;
	462	case ATH3K_XTAL_FREQ_19P2:
	463	clk_value = 19;
	464	break;
	465	default:
	466	clk_value = 0;
	467	break;
	468	}
	469
	470	snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
b9e2535a	471	le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
d9f51b51 BS	472
	473	ret = request_firmware(&firmware, filename, &udev->dev);
	474	if (ret < 0) {
	475	BT_ERR("Configuration file not found %s", filename);
	476	return ret;
	477	}
	478
	479	ret = ath3k_load_fwfile(udev, firmware);
	480	release_firmware(firmware);
	481
	482	return ret;
	483	}
	484
9670d80a VK	485	static int ath3k_probe(struct usb_interface *intf,
	486	const struct usb_device_id *id)
	487	{
	488	const struct firmware *firmware;
	489	struct usb_device *udev = interface_to_usbdev(intf);
84f0e17f	490	int ret;
9670d80a VK	491
	492	BT_DBG("intf %p id %p", intf, id);
	493
	494	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
	495	return -ENODEV;
	496
d9f51b51 BS	497	/* match device ID in ath3k blacklist table */
	498	if (!id->driver_info) {
	499	const struct usb_device_id *match;
	500	match = usb_match_id(intf, ath3k_blist_tbl);
	501	if (match)
	502	id = match;
	503	}
	504
	505	/* load patch and sysconfig files for AR3012 */
	506	if (id->driver_info & BTUSB_ATH3012) {
2d25f8b4 SL	507
	508	/* New firmware with patch and sysconfig files already loaded */
	509	if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
	510	return -ENODEV;
	511
d9f51b51 BS	512	ret = ath3k_load_patch(udev);
	513	if (ret < 0) {
	514	BT_ERR("Loading patch file failed");
	515	return ret;
	516	}
	517	ret = ath3k_load_syscfg(udev);
	518	if (ret < 0) {
	519	BT_ERR("Loading sysconfig file failed");
	520	return ret;
	521	}
	522	ret = ath3k_set_normal_mode(udev);
	523	if (ret < 0) {
	524	BT_ERR("Set normal mode failed");
	525	return ret;
	526	}
	527	ath3k_switch_pid(udev);
	528	return 0;
	529	}
	530
c3eae82a PF	531	ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
	532	if (ret < 0) {
	533	if (ret == -ENOENT)
	534	BT_ERR("Firmware file \"%s\" not found",
	535	ATH3K_FIRMWARE);
	536	else
	537	BT_ERR("Firmware file \"%s\" request failed (err=%d)",
	538	ATH3K_FIRMWARE, ret);
	539	return ret;
9670d80a VK	540	}
9670d80a VK	541
84f0e17f	542	ret = ath3k_load_firmware(udev, firmware);
86e09287	543	release_firmware(firmware);
9670d80a	544
84f0e17f	545	return ret;
9670d80a VK	546	}
	547
	548	static void ath3k_disconnect(struct usb_interface *intf)
	549	{
9670d80a	550	BT_DBG("ath3k_disconnect intf %p", intf);
9670d80a VK	551	}
	552
	553	static struct usb_driver ath3k_driver = {
	554	.name = "ath3k",
	555	.probe = ath3k_probe,
	556	.disconnect = ath3k_disconnect,
	557	.id_table = ath3k_table,
e1f12eb6	558	.disable_hub_initiated_lpm = 1,
9670d80a VK	559	};
9670d80a VK	560
93f1508c	561	module_usb_driver(ath3k_driver);
9670d80a VK	562
	563	MODULE_AUTHOR("Atheros Communications");
	564	MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
	565	MODULE_VERSION(VERSION);
	566	MODULE_LICENSE("GPL");
c3eae82a	567	MODULE_FIRMWARE(ATH3K_FIRMWARE);