[linux-2.6-block.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, 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, 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, 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, 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 AS	95	{ USB_DEVICE(0x0930, 0x0219) },
0b880062 AS	96	{ USB_DEVICE(0x0930, 0x0220) },
89d2975f	97	{ USB_DEVICE(0x0930, 0x0227) },
a735f9e2	98	{ USB_DEVICE(0x0b05, 0x17d0) },
d66629c1	99	{ USB_DEVICE(0x0CF3, 0x0036) },
d9f51b51	100	{ USB_DEVICE(0x0CF3, 0x3004) },
94a32d10	101	{ USB_DEVICE(0x0CF3, 0x3008) },
07c0ea87	102	{ USB_DEVICE(0x0CF3, 0x311D) },
b131237c	103	{ USB_DEVICE(0x0CF3, 0x311E) },
1e56f1eb	104	{ USB_DEVICE(0x0CF3, 0x311F) },
0b880062	105	{ USB_DEVICE(0x0cf3, 0x3121) },
ebaf5795	106	{ USB_DEVICE(0x0CF3, 0x817a) },
0b880062	107	{ USB_DEVICE(0x0cf3, 0xe003) },
ac71311e	108	{ USB_DEVICE(0x0CF3, 0xE004) },
0a3658cc	109	{ USB_DEVICE(0x0CF3, 0xE005) },
ca79f232	110	{ USB_DEVICE(0x0CF3, 0xE006) },
0b880062 AS	111	{ USB_DEVICE(0x13d3, 0x3362) },
0b880062 AS	112	{ USB_DEVICE(0x13d3, 0x3375) },
eed307e2	113	{ USB_DEVICE(0x13d3, 0x3393) },
5b77a1f3	114	{ USB_DEVICE(0x13d3, 0x3402) },
3bb30a7c	115	{ USB_DEVICE(0x13d3, 0x3408) },
033efa92	116	{ USB_DEVICE(0x13d3, 0x3423) },
fa2f1394	117	{ USB_DEVICE(0x13d3, 0x3432) },
0d0cef61	118	{ USB_DEVICE(0x13d3, 0x3474) },
d9f51b51	119
e9036e33 CYC	120	/* Atheros AR5BBU12 with sflash firmware */
e9036e33 CYC	121	{ USB_DEVICE(0x0489, 0xE02C) },
b67afe7f	122
85d59726	123	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	124	{ USB_DEVICE(0x0489, 0xE036) },
0b880062	125	{ USB_DEVICE(0x0489, 0xE03C) },
85d59726	126
9670d80a VK	127	{ } /* Terminating entry */
	128	};
	129
	130	MODULE_DEVICE_TABLE(usb, ath3k_table);
	131
d9f51b51 BS	132	#define BTUSB_ATH3012 0x80
	133	/* This table is to load patch and sysconfig files
	134	* for AR3012 */
3932eb33	135	static const struct usb_device_id ath3k_blist_tbl[] = {
d9f51b51 BS	136
d9f51b51 BS	137	/* Atheros AR3012 with sflash firmware*/
0b880062 AS	138	{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
	139	{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
	140	{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
	141	{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
	142	{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e	143	{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9	144	{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
0b880062 AS	145	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
	146	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
	147	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
	148	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a	149	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062 AS	150	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
0b880062 AS	151	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f	152	{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2	153	{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35	154	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
0b880062 AS	155	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
0b880062 AS	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 },
ac71311e	167	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc	168	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232	169	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062 AS	170	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
	171	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
	172	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2	173	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
5b77a1f3	174	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c	175	{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92	176	{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394	177	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
0d0cef61	178	{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
d9f51b51	179
85d59726	180	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	181	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
0b880062	182	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
85d59726	183
d9f51b51 BS	184	{ } /* Terminating entry */
	185	};
	186
9670d80a VK	187	#define USB_REQ_DFU_DNLOAD 1
9670d80a VK	188	#define BULK_SIZE 4096
d9f51b51	189	#define FW_HDR_SIZE 20
c561a575 AL	190	#define TIMEGAP_USEC_MIN 50
c561a575 AL	191	#define TIMEGAP_USEC_MAX 100
9670d80a	192
86e09287 AH	193	static int ath3k_load_firmware(struct usb_device *udev,
86e09287 AH	194	const struct firmware *firmware)
9670d80a VK	195	{
	196	u8 *send_buf;
	197	int err, pipe, len, size, sent = 0;
86e09287	198	int count = firmware->size;
9670d80a	199
86e09287	200	BT_DBG("udev %p", udev);
9670d80a	201
86e09287	202	pipe = usb_sndctrlpipe(udev, 0);
9670d80a	203
52a1020e	204	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
86e09287 AH	205	if (!send_buf) {
	206	BT_ERR("Can't allocate memory chunk for firmware");
	207	return -ENOMEM;
	208	}
	209
	210	memcpy(send_buf, firmware->data, 20);
a08b15e6 VI	211	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
	212	0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
	213	if (err < 0) {
9670d80a	214	BT_ERR("Can't change to loading configuration err");
86e09287	215	goto error;
9670d80a VK	216	}
	217	sent += 20;
	218	count -= 20;
	219
3abb56de AL	220	pipe = usb_sndbulkpipe(udev, 0x02);
3abb56de AL	221
9670d80a	222	while (count) {
c561a575 AL	223	/* workaround the compatibility issue with xHCI controller*/
	224	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	225
9670d80a	226	size = min_t(uint, count, BULK_SIZE);
86e09287	227	memcpy(send_buf, firmware->data + sent, size);
9670d80a	228
86e09287	229	err = usb_bulk_msg(udev, pipe, send_buf, size,
9670d80a VK	230	&len, 3000);
	231
	232	if (err \|\| (len != size)) {
	233	BT_ERR("Error in firmware loading err = %d,"
	234	"len = %d, size = %d", err, len, size);
	235	goto error;
	236	}
	237
	238	sent += size;
	239	count -= size;
	240	}
	241
9670d80a VK	242	error:
	243	kfree(send_buf);
	244	return err;
	245	}
	246
d9f51b51 BS	247	static int ath3k_get_state(struct usb_device udev, unsigned char state)
d9f51b51 BS	248	{
517828a8 SG	249	int ret, pipe = 0;
	250	char *buf;
	251
	252	buf = kmalloc(sizeof(*buf), GFP_KERNEL);
	253	if (!buf)
	254	return -ENOMEM;
d9f51b51 BS	255
d9f51b51 BS	256	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	257	ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
	258	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	259	buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
	260
	261	state = buf;
	262	kfree(buf);
	263
	264	return ret;
d9f51b51 BS	265	}
	266
	267	static int ath3k_get_version(struct usb_device *udev,
	268	struct ath3k_version *version)
	269	{
517828a8 SG	270	int ret, pipe = 0;
	271	struct ath3k_version *buf;
	272	const int size = sizeof(*buf);
	273
	274	buf = kmalloc(size, GFP_KERNEL);
	275	if (!buf)
	276	return -ENOMEM;
d9f51b51 BS	277
d9f51b51 BS	278	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	279	ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
	280	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	281	buf, size, USB_CTRL_SET_TIMEOUT);
	282
	283	memcpy(version, buf, size);
	284	kfree(buf);
	285
	286	return ret;
d9f51b51 BS	287	}
	288
	289	static int ath3k_load_fwfile(struct usb_device *udev,
	290	const struct firmware *firmware)
	291	{
	292	u8 *send_buf;
	293	int err, pipe, len, size, count, sent = 0;
	294	int ret;
	295
	296	count = firmware->size;
	297
52a1020e	298	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
d9f51b51 BS	299	if (!send_buf) {
	300	BT_ERR("Can't allocate memory chunk for firmware");
	301	return -ENOMEM;
	302	}
	303
	304	size = min_t(uint, count, FW_HDR_SIZE);
	305	memcpy(send_buf, firmware->data, size);
	306
	307	pipe = usb_sndctrlpipe(udev, 0);
	308	ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
	309	USB_TYPE_VENDOR, 0, 0, send_buf,
	310	size, USB_CTRL_SET_TIMEOUT);
	311	if (ret < 0) {
	312	BT_ERR("Can't change to loading configuration err");
	313	kfree(send_buf);
	314	return ret;
	315	}
	316
	317	sent += size;
	318	count -= size;
	319
b0c3e138 AL	320	pipe = usb_sndbulkpipe(udev, 0x02);
b0c3e138 AL	321
d9f51b51	322	while (count) {
c561a575 AL	323	/* workaround the compatibility issue with xHCI controller*/
	324	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	325
d9f51b51	326	size = min_t(uint, count, BULK_SIZE);
d9f51b51 BS	327	memcpy(send_buf, firmware->data + sent, size);
	328
	329	err = usb_bulk_msg(udev, pipe, send_buf, size,
	330	&len, 3000);
	331	if (err \|\| (len != size)) {
	332	BT_ERR("Error in firmware loading err = %d,"
	333	"len = %d, size = %d", err, len, size);
	334	kfree(send_buf);
	335	return err;
	336	}
	337	sent += size;
	338	count -= size;
	339	}
	340
	341	kfree(send_buf);
	342	return 0;
	343	}
	344
	345	static int ath3k_switch_pid(struct usb_device *udev)
	346	{
	347	int pipe = 0;
	348
	349	pipe = usb_sndctrlpipe(udev, 0);
	350	return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
	351	USB_TYPE_VENDOR, 0, 0,
	352	NULL, 0, USB_CTRL_SET_TIMEOUT);
	353	}
	354
	355	static int ath3k_set_normal_mode(struct usb_device *udev)
	356	{
	357	unsigned char fw_state;
	358	int pipe = 0, ret;
	359
	360	ret = ath3k_get_state(udev, &fw_state);
	361	if (ret < 0) {
	362	BT_ERR("Can't get state to change to normal mode err");
	363	return ret;
	364	}
	365
	366	if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
	367	BT_DBG("firmware was already in normal mode");
	368	return 0;
	369	}
	370
	371	pipe = usb_sndctrlpipe(udev, 0);
	372	return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
	373	USB_TYPE_VENDOR, 0, 0,
	374	NULL, 0, USB_CTRL_SET_TIMEOUT);
	375	}
	376
	377	static int ath3k_load_patch(struct usb_device *udev)
	378	{
	379	unsigned char fw_state;
	380	char filename[ATH3K_NAME_LEN] = {0};
	381	const struct firmware *firmware;
72dd2b2a MH	382	struct ath3k_version fw_version;
72dd2b2a MH	383	__u32 pt_rom_version, pt_build_version;
d9f51b51 BS	384	int ret;
	385
	386	ret = ath3k_get_state(udev, &fw_state);
	387	if (ret < 0) {
	388	BT_ERR("Can't get state to change to load ram patch err");
	389	return ret;
	390	}
	391
	392	if (fw_state & ATH3K_PATCH_UPDATE) {
	393	BT_DBG("Patch was already downloaded");
	394	return 0;
	395	}
	396
	397	ret = ath3k_get_version(udev, &fw_version);
	398	if (ret < 0) {
	399	BT_ERR("Can't get version to change to load ram patch err");
	400	return ret;
	401	}
	402
	403	snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
72dd2b2a	404	le32_to_cpu(fw_version.rom_version));
d9f51b51 BS	405
	406	ret = request_firmware(&firmware, filename, &udev->dev);
	407	if (ret < 0) {
	408	BT_ERR("Patch file not found %s", filename);
	409	return ret;
	410	}
	411
72dd2b2a MH	412	pt_rom_version = get_unaligned_le32(firmware->data +
	413	firmware->size - 8);
	414	pt_build_version = get_unaligned_le32(firmware->data +
	415	firmware->size - 4);
d9f51b51	416
72dd2b2a MH	417	if (pt_rom_version != le32_to_cpu(fw_version.rom_version) \|\|
72dd2b2a MH	418	pt_build_version <= le32_to_cpu(fw_version.build_version)) {
d9f51b51 BS	419	BT_ERR("Patch file version did not match with firmware");
	420	release_firmware(firmware);
	421	return -EINVAL;
	422	}
	423
	424	ret = ath3k_load_fwfile(udev, firmware);
	425	release_firmware(firmware);
	426
	427	return ret;
	428	}
	429
	430	static int ath3k_load_syscfg(struct usb_device *udev)
	431	{
	432	unsigned char fw_state;
	433	char filename[ATH3K_NAME_LEN] = {0};
	434	const struct firmware *firmware;
	435	struct ath3k_version fw_version;
	436	int clk_value, ret;
	437
	438	ret = ath3k_get_state(udev, &fw_state);
	439	if (ret < 0) {
8a168ca7	440	BT_ERR("Can't get state to change to load configuration err");
d9f51b51 BS	441	return -EBUSY;
	442	}
	443
	444	ret = ath3k_get_version(udev, &fw_version);
	445	if (ret < 0) {
	446	BT_ERR("Can't get version to change to load ram patch err");
	447	return ret;
	448	}
	449
	450	switch (fw_version.ref_clock) {
	451
	452	case ATH3K_XTAL_FREQ_26M:
	453	clk_value = 26;
	454	break;
	455	case ATH3K_XTAL_FREQ_40M:
	456	clk_value = 40;
	457	break;
	458	case ATH3K_XTAL_FREQ_19P2:
	459	clk_value = 19;
	460	break;
	461	default:
	462	clk_value = 0;
	463	break;
	464	}
	465
	466	snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
b9e2535a	467	le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
d9f51b51 BS	468
	469	ret = request_firmware(&firmware, filename, &udev->dev);
	470	if (ret < 0) {
	471	BT_ERR("Configuration file not found %s", filename);
	472	return ret;
	473	}
	474
	475	ret = ath3k_load_fwfile(udev, firmware);
	476	release_firmware(firmware);
	477
	478	return ret;
	479	}
	480
9670d80a VK	481	static int ath3k_probe(struct usb_interface *intf,
	482	const struct usb_device_id *id)
	483	{
	484	const struct firmware *firmware;
	485	struct usb_device *udev = interface_to_usbdev(intf);
84f0e17f	486	int ret;
9670d80a VK	487
	488	BT_DBG("intf %p id %p", intf, id);
	489
	490	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
	491	return -ENODEV;
	492
d9f51b51 BS	493	/* match device ID in ath3k blacklist table */
	494	if (!id->driver_info) {
	495	const struct usb_device_id *match;
	496	match = usb_match_id(intf, ath3k_blist_tbl);
	497	if (match)
	498	id = match;
	499	}
	500
	501	/* load patch and sysconfig files for AR3012 */
	502	if (id->driver_info & BTUSB_ATH3012) {
2d25f8b4 SL	503
	504	/* New firmware with patch and sysconfig files already loaded */
	505	if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
	506	return -ENODEV;
	507
d9f51b51 BS	508	ret = ath3k_load_patch(udev);
	509	if (ret < 0) {
	510	BT_ERR("Loading patch file failed");
	511	return ret;
	512	}
	513	ret = ath3k_load_syscfg(udev);
	514	if (ret < 0) {
	515	BT_ERR("Loading sysconfig file failed");
	516	return ret;
	517	}
	518	ret = ath3k_set_normal_mode(udev);
	519	if (ret < 0) {
	520	BT_ERR("Set normal mode failed");
	521	return ret;
	522	}
	523	ath3k_switch_pid(udev);
	524	return 0;
	525	}
	526
c3eae82a PF	527	ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
	528	if (ret < 0) {
	529	if (ret == -ENOENT)
	530	BT_ERR("Firmware file \"%s\" not found",
	531	ATH3K_FIRMWARE);
	532	else
	533	BT_ERR("Firmware file \"%s\" request failed (err=%d)",
	534	ATH3K_FIRMWARE, ret);
	535	return ret;
9670d80a VK	536	}
9670d80a VK	537
84f0e17f	538	ret = ath3k_load_firmware(udev, firmware);
86e09287	539	release_firmware(firmware);
9670d80a	540
84f0e17f	541	return ret;
9670d80a VK	542	}
	543
	544	static void ath3k_disconnect(struct usb_interface *intf)
	545	{
9670d80a	546	BT_DBG("ath3k_disconnect intf %p", intf);
9670d80a VK	547	}
	548
	549	static struct usb_driver ath3k_driver = {
	550	.name = "ath3k",
	551	.probe = ath3k_probe,
	552	.disconnect = ath3k_disconnect,
	553	.id_table = ath3k_table,
e1f12eb6	554	.disable_hub_initiated_lpm = 1,
9670d80a VK	555	};
9670d80a VK	556
93f1508c	557	module_usb_driver(ath3k_driver);
9670d80a VK	558
	559	MODULE_AUTHOR("Atheros Communications");
	560	MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
	561	MODULE_VERSION(VERSION);
	562	MODULE_LICENSE("GPL");
c3eae82a	563	MODULE_FIRMWARE(ATH3K_FIRMWARE);