[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, 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, 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) },

	/* 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, 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, 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 },

	/* 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) },
4b552bc9	83	{ USB_DEVICE(0x0489, 0xe078) },
0b880062 AS	84	{ USB_DEVICE(0x04c5, 0x1330) },
	85	{ USB_DEVICE(0x04CA, 0x3004) },
	86	{ USB_DEVICE(0x04CA, 0x3005) },
	87	{ USB_DEVICE(0x04CA, 0x3006) },
1fb4e09a	88	{ USB_DEVICE(0x04CA, 0x3007) },
0b880062 AS	89	{ USB_DEVICE(0x04CA, 0x3008) },
0b880062 AS	90	{ USB_DEVICE(0x04CA, 0x300b) },
134d3b35	91	{ USB_DEVICE(0x04CA, 0x3010) },
0b880062 AS	92	{ USB_DEVICE(0x0930, 0x0219) },
0b880062 AS	93	{ USB_DEVICE(0x0930, 0x0220) },
89d2975f	94	{ USB_DEVICE(0x0930, 0x0227) },
a735f9e2	95	{ USB_DEVICE(0x0b05, 0x17d0) },
d66629c1	96	{ USB_DEVICE(0x0CF3, 0x0036) },
d9f51b51	97	{ USB_DEVICE(0x0CF3, 0x3004) },
94a32d10	98	{ USB_DEVICE(0x0CF3, 0x3008) },
07c0ea87	99	{ USB_DEVICE(0x0CF3, 0x311D) },
b131237c	100	{ USB_DEVICE(0x0CF3, 0x311E) },
1e56f1eb	101	{ USB_DEVICE(0x0CF3, 0x311F) },
0b880062	102	{ USB_DEVICE(0x0cf3, 0x3121) },
ebaf5795	103	{ USB_DEVICE(0x0CF3, 0x817a) },
0b880062	104	{ USB_DEVICE(0x0cf3, 0xe003) },
ac71311e	105	{ USB_DEVICE(0x0CF3, 0xE004) },
0a3658cc	106	{ USB_DEVICE(0x0CF3, 0xE005) },
ca79f232	107	{ USB_DEVICE(0x0CF3, 0xE006) },
0b880062 AS	108	{ USB_DEVICE(0x13d3, 0x3362) },
0b880062 AS	109	{ USB_DEVICE(0x13d3, 0x3375) },
eed307e2	110	{ USB_DEVICE(0x13d3, 0x3393) },
5b77a1f3	111	{ USB_DEVICE(0x13d3, 0x3402) },
3bb30a7c	112	{ USB_DEVICE(0x13d3, 0x3408) },
033efa92	113	{ USB_DEVICE(0x13d3, 0x3423) },
fa2f1394	114	{ USB_DEVICE(0x13d3, 0x3432) },
d9f51b51	115
e9036e33 CYC	116	/* Atheros AR5BBU12 with sflash firmware */
e9036e33 CYC	117	{ USB_DEVICE(0x0489, 0xE02C) },
b67afe7f	118
85d59726	119	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	120	{ USB_DEVICE(0x0489, 0xE036) },
0b880062	121	{ USB_DEVICE(0x0489, 0xE03C) },
85d59726	122
9670d80a VK	123	{ } /* Terminating entry */
	124	};
	125
	126	MODULE_DEVICE_TABLE(usb, ath3k_table);
	127
d9f51b51 BS	128	#define BTUSB_ATH3012 0x80
	129	/* This table is to load patch and sysconfig files
	130	* for AR3012 */
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 },
4b552bc9	139	{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
0b880062 AS	140	{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
	141	{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
	142	{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
	143	{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a	144	{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062 AS	145	{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
0b880062 AS	146	{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
134d3b35	147	{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
0b880062 AS	148	{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
0b880062 AS	149	{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f	150	{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2	151	{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1	152	{ USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
d9f51b51	153	{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10	154	{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87	155	{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
b131237c	156	{ USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
1e56f1eb	157	{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
0b880062	158	{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795	159	{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
ac71311e	160	{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc	161	{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232	162	{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062 AS	163	{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
	164	{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
	165	{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2	166	{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
5b77a1f3	167	{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c	168	{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92	169	{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394	170	{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
d9f51b51	171
85d59726	172	/* Atheros AR5BBU22 with sflash firmware */
bc21fde2	173	{ USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
0b880062	174	{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
85d59726	175
d9f51b51 BS	176	{ } /* Terminating entry */
	177	};
	178
9670d80a VK	179	#define USB_REQ_DFU_DNLOAD 1
9670d80a VK	180	#define BULK_SIZE 4096
d9f51b51	181	#define FW_HDR_SIZE 20
c561a575 AL	182	#define TIMEGAP_USEC_MIN 50
c561a575 AL	183	#define TIMEGAP_USEC_MAX 100
9670d80a	184
86e09287 AH	185	static int ath3k_load_firmware(struct usb_device *udev,
86e09287 AH	186	const struct firmware *firmware)
9670d80a VK	187	{
	188	u8 *send_buf;
	189	int err, pipe, len, size, sent = 0;
86e09287	190	int count = firmware->size;
9670d80a	191
86e09287	192	BT_DBG("udev %p", udev);
9670d80a	193
86e09287	194	pipe = usb_sndctrlpipe(udev, 0);
9670d80a	195
52a1020e	196	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
86e09287 AH	197	if (!send_buf) {
	198	BT_ERR("Can't allocate memory chunk for firmware");
	199	return -ENOMEM;
	200	}
	201
	202	memcpy(send_buf, firmware->data, 20);
a08b15e6 VI	203	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
	204	0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
	205	if (err < 0) {
9670d80a	206	BT_ERR("Can't change to loading configuration err");
86e09287	207	goto error;
9670d80a VK	208	}
	209	sent += 20;
	210	count -= 20;
	211
3abb56de AL	212	pipe = usb_sndbulkpipe(udev, 0x02);
3abb56de AL	213
9670d80a	214	while (count) {
c561a575 AL	215	/* workaround the compatibility issue with xHCI controller*/
	216	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	217
9670d80a	218	size = min_t(uint, count, BULK_SIZE);
86e09287	219	memcpy(send_buf, firmware->data + sent, size);
9670d80a	220
86e09287	221	err = usb_bulk_msg(udev, pipe, send_buf, size,
9670d80a VK	222	&len, 3000);
	223
	224	if (err \|\| (len != size)) {
	225	BT_ERR("Error in firmware loading err = %d,"
	226	"len = %d, size = %d", err, len, size);
	227	goto error;
	228	}
	229
	230	sent += size;
	231	count -= size;
	232	}
	233
9670d80a VK	234	error:
	235	kfree(send_buf);
	236	return err;
	237	}
	238
d9f51b51 BS	239	static int ath3k_get_state(struct usb_device udev, unsigned char state)
d9f51b51 BS	240	{
517828a8 SG	241	int ret, pipe = 0;
	242	char *buf;
	243
	244	buf = kmalloc(sizeof(*buf), GFP_KERNEL);
	245	if (!buf)
	246	return -ENOMEM;
d9f51b51 BS	247
d9f51b51 BS	248	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	249	ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
	250	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	251	buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
	252
	253	state = buf;
	254	kfree(buf);
	255
	256	return ret;
d9f51b51 BS	257	}
	258
	259	static int ath3k_get_version(struct usb_device *udev,
	260	struct ath3k_version *version)
	261	{
517828a8 SG	262	int ret, pipe = 0;
	263	struct ath3k_version *buf;
	264	const int size = sizeof(*buf);
	265
	266	buf = kmalloc(size, GFP_KERNEL);
	267	if (!buf)
	268	return -ENOMEM;
d9f51b51 BS	269
d9f51b51 BS	270	pipe = usb_rcvctrlpipe(udev, 0);
517828a8 SG	271	ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
	272	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	273	buf, size, USB_CTRL_SET_TIMEOUT);
	274
	275	memcpy(version, buf, size);
	276	kfree(buf);
	277
	278	return ret;
d9f51b51 BS	279	}
	280
	281	static int ath3k_load_fwfile(struct usb_device *udev,
	282	const struct firmware *firmware)
	283	{
	284	u8 *send_buf;
	285	int err, pipe, len, size, count, sent = 0;
	286	int ret;
	287
	288	count = firmware->size;
	289
52a1020e	290	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
d9f51b51 BS	291	if (!send_buf) {
	292	BT_ERR("Can't allocate memory chunk for firmware");
	293	return -ENOMEM;
	294	}
	295
	296	size = min_t(uint, count, FW_HDR_SIZE);
	297	memcpy(send_buf, firmware->data, size);
	298
	299	pipe = usb_sndctrlpipe(udev, 0);
	300	ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
	301	USB_TYPE_VENDOR, 0, 0, send_buf,
	302	size, USB_CTRL_SET_TIMEOUT);
	303	if (ret < 0) {
	304	BT_ERR("Can't change to loading configuration err");
	305	kfree(send_buf);
	306	return ret;
	307	}
	308
	309	sent += size;
	310	count -= size;
	311
b0c3e138 AL	312	pipe = usb_sndbulkpipe(udev, 0x02);
b0c3e138 AL	313
d9f51b51	314	while (count) {
c561a575 AL	315	/* workaround the compatibility issue with xHCI controller*/
	316	usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
	317
d9f51b51	318	size = min_t(uint, count, BULK_SIZE);
d9f51b51 BS	319	memcpy(send_buf, firmware->data + sent, size);
	320
	321	err = usb_bulk_msg(udev, pipe, send_buf, size,
	322	&len, 3000);
	323	if (err \|\| (len != size)) {
	324	BT_ERR("Error in firmware loading err = %d,"
	325	"len = %d, size = %d", err, len, size);
	326	kfree(send_buf);
	327	return err;
	328	}
	329	sent += size;
	330	count -= size;
	331	}
	332
	333	kfree(send_buf);
	334	return 0;
	335	}
	336
	337	static int ath3k_switch_pid(struct usb_device *udev)
	338	{
	339	int pipe = 0;
	340
	341	pipe = usb_sndctrlpipe(udev, 0);
	342	return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
	343	USB_TYPE_VENDOR, 0, 0,
	344	NULL, 0, USB_CTRL_SET_TIMEOUT);
	345	}
	346
	347	static int ath3k_set_normal_mode(struct usb_device *udev)
	348	{
	349	unsigned char fw_state;
	350	int pipe = 0, ret;
	351
	352	ret = ath3k_get_state(udev, &fw_state);
	353	if (ret < 0) {
	354	BT_ERR("Can't get state to change to normal mode err");
	355	return ret;
	356	}
	357
	358	if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
	359	BT_DBG("firmware was already in normal mode");
	360	return 0;
	361	}
	362
	363	pipe = usb_sndctrlpipe(udev, 0);
	364	return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
	365	USB_TYPE_VENDOR, 0, 0,
	366	NULL, 0, USB_CTRL_SET_TIMEOUT);
	367	}
	368
	369	static int ath3k_load_patch(struct usb_device *udev)
	370	{
	371	unsigned char fw_state;
	372	char filename[ATH3K_NAME_LEN] = {0};
	373	const struct firmware *firmware;
72dd2b2a MH	374	struct ath3k_version fw_version;
72dd2b2a MH	375	__u32 pt_rom_version, pt_build_version;
d9f51b51 BS	376	int ret;
	377
	378	ret = ath3k_get_state(udev, &fw_state);
	379	if (ret < 0) {
	380	BT_ERR("Can't get state to change to load ram patch err");
	381	return ret;
	382	}
	383
	384	if (fw_state & ATH3K_PATCH_UPDATE) {
	385	BT_DBG("Patch was already downloaded");
	386	return 0;
	387	}
	388
	389	ret = ath3k_get_version(udev, &fw_version);
	390	if (ret < 0) {
	391	BT_ERR("Can't get version to change to load ram patch err");
	392	return ret;
	393	}
	394
	395	snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
72dd2b2a	396	le32_to_cpu(fw_version.rom_version));
d9f51b51 BS	397
	398	ret = request_firmware(&firmware, filename, &udev->dev);
	399	if (ret < 0) {
	400	BT_ERR("Patch file not found %s", filename);
	401	return ret;
	402	}
	403
72dd2b2a MH	404	pt_rom_version = get_unaligned_le32(firmware->data +
	405	firmware->size - 8);
	406	pt_build_version = get_unaligned_le32(firmware->data +
	407	firmware->size - 4);
d9f51b51	408
72dd2b2a MH	409	if (pt_rom_version != le32_to_cpu(fw_version.rom_version) \|\|
72dd2b2a MH	410	pt_build_version <= le32_to_cpu(fw_version.build_version)) {
d9f51b51 BS	411	BT_ERR("Patch file version did not match with firmware");
	412	release_firmware(firmware);
	413	return -EINVAL;
	414	}
	415
	416	ret = ath3k_load_fwfile(udev, firmware);
	417	release_firmware(firmware);
	418
	419	return ret;
	420	}
	421
	422	static int ath3k_load_syscfg(struct usb_device *udev)
	423	{
	424	unsigned char fw_state;
	425	char filename[ATH3K_NAME_LEN] = {0};
	426	const struct firmware *firmware;
	427	struct ath3k_version fw_version;
	428	int clk_value, ret;
	429
	430	ret = ath3k_get_state(udev, &fw_state);
	431	if (ret < 0) {
8a168ca7	432	BT_ERR("Can't get state to change to load configuration err");
d9f51b51 BS	433	return -EBUSY;
	434	}
	435
	436	ret = ath3k_get_version(udev, &fw_version);
	437	if (ret < 0) {
	438	BT_ERR("Can't get version to change to load ram patch err");
	439	return ret;
	440	}
	441
	442	switch (fw_version.ref_clock) {
	443
	444	case ATH3K_XTAL_FREQ_26M:
	445	clk_value = 26;
	446	break;
	447	case ATH3K_XTAL_FREQ_40M:
	448	clk_value = 40;
	449	break;
	450	case ATH3K_XTAL_FREQ_19P2:
	451	clk_value = 19;
	452	break;
	453	default:
	454	clk_value = 0;
	455	break;
	456	}
	457
	458	snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
b9e2535a	459	le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
d9f51b51 BS	460
	461	ret = request_firmware(&firmware, filename, &udev->dev);
	462	if (ret < 0) {
	463	BT_ERR("Configuration file not found %s", filename);
	464	return ret;
	465	}
	466
	467	ret = ath3k_load_fwfile(udev, firmware);
	468	release_firmware(firmware);
	469
	470	return ret;
	471	}
	472
9670d80a VK	473	static int ath3k_probe(struct usb_interface *intf,
	474	const struct usb_device_id *id)
	475	{
	476	const struct firmware *firmware;
	477	struct usb_device *udev = interface_to_usbdev(intf);
84f0e17f	478	int ret;
9670d80a VK	479
	480	BT_DBG("intf %p id %p", intf, id);
	481
	482	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
	483	return -ENODEV;
	484
d9f51b51 BS	485	/* match device ID in ath3k blacklist table */
	486	if (!id->driver_info) {
	487	const struct usb_device_id *match;
	488	match = usb_match_id(intf, ath3k_blist_tbl);
	489	if (match)
	490	id = match;
	491	}
	492
	493	/* load patch and sysconfig files for AR3012 */
	494	if (id->driver_info & BTUSB_ATH3012) {
2d25f8b4 SL	495
	496	/* New firmware with patch and sysconfig files already loaded */
	497	if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
	498	return -ENODEV;
	499
d9f51b51 BS	500	ret = ath3k_load_patch(udev);
	501	if (ret < 0) {
	502	BT_ERR("Loading patch file failed");
	503	return ret;
	504	}
	505	ret = ath3k_load_syscfg(udev);
	506	if (ret < 0) {
	507	BT_ERR("Loading sysconfig file failed");
	508	return ret;
	509	}
	510	ret = ath3k_set_normal_mode(udev);
	511	if (ret < 0) {
	512	BT_ERR("Set normal mode failed");
	513	return ret;
	514	}
	515	ath3k_switch_pid(udev);
	516	return 0;
	517	}
	518
c3eae82a PF	519	ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
	520	if (ret < 0) {
	521	if (ret == -ENOENT)
	522	BT_ERR("Firmware file \"%s\" not found",
	523	ATH3K_FIRMWARE);
	524	else
	525	BT_ERR("Firmware file \"%s\" request failed (err=%d)",
	526	ATH3K_FIRMWARE, ret);
	527	return ret;
9670d80a VK	528	}
9670d80a VK	529
84f0e17f	530	ret = ath3k_load_firmware(udev, firmware);
86e09287	531	release_firmware(firmware);
9670d80a	532
84f0e17f	533	return ret;
9670d80a VK	534	}
	535
	536	static void ath3k_disconnect(struct usb_interface *intf)
	537	{
9670d80a	538	BT_DBG("ath3k_disconnect intf %p", intf);
9670d80a VK	539	}
	540
	541	static struct usb_driver ath3k_driver = {
	542	.name = "ath3k",
	543	.probe = ath3k_probe,
	544	.disconnect = ath3k_disconnect,
	545	.id_table = ath3k_table,
e1f12eb6	546	.disable_hub_initiated_lpm = 1,
9670d80a VK	547	};
9670d80a VK	548
93f1508c	549	module_usb_driver(ath3k_driver);
9670d80a VK	550
	551	MODULE_AUTHOR("Atheros Communications");
	552	MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
	553	MODULE_VERSION(VERSION);
	554	MODULE_LICENSE("GPL");
c3eae82a	555	MODULE_FIRMWARE(ATH3K_FIRMWARE);