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

/*
 *
 *  Bluetooth support for Broadcom devices
 *
 *  Copyright (C) 2015  Intel Corporation
 *
 *
 *  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/firmware.h>
#include <asm/unaligned.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btbcm.h"

#define VERSION "0.1"

#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})

int btbcm_check_bdaddr(struct hci_dev *hdev)
{
	struct hci_rp_read_bd_addr *bda;
	struct sk_buff *skb;

	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
			     HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		int err = PTR_ERR(skb);
		BT_ERR("%s: BCM: Reading device address failed (%d)",
		       hdev->name, err);
		return err;
	}

	if (skb->len != sizeof(*bda)) {
		BT_ERR("%s: BCM: Device address length mismatch", hdev->name);
		kfree_skb(skb);
		return -EIO;
	}

	bda = (struct hci_rp_read_bd_addr *)skb->data;

	/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
	 * with no configured address.
	 */
	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
		BT_INFO("%s: BCM: Using default device address (%pMR)",
			hdev->name, &bda->bdaddr);
		set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
	}

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_check_bdaddr);

int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	struct sk_buff *skb;
	int err;

	skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		BT_ERR("%s: BCM: Change address command failed (%d)",
		       hdev->name, err);
		return err;
	}
	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);

int btbcm_patchram(struct hci_dev *hdev, const char *firmware)
{
	const struct hci_command_hdr *cmd;
	const struct firmware *fw;
	const u8 *fw_ptr;
	size_t fw_size;
	struct sk_buff *skb;
	u16 opcode;
	int err;

	err = request_firmware(&fw, firmware, &hdev->dev);
	if (err < 0) {
		BT_INFO("%s: BCM: Patch %s not found", hdev->name, firmware);
		return err;
	}

	/* Start Download */
	skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		BT_ERR("%s: BCM: Download Minidrv command failed (%d)",
		       hdev->name, err);
		goto done;
	}
	kfree_skb(skb);

	/* 50 msec delay after Download Minidrv completes */
	msleep(50);

	fw_ptr = fw->data;
	fw_size = fw->size;

	while (fw_size >= sizeof(*cmd)) {
		const u8 *cmd_param;

		cmd = (struct hci_command_hdr *)fw_ptr;
		fw_ptr += sizeof(*cmd);
		fw_size -= sizeof(*cmd);

		if (fw_size < cmd->plen) {
			BT_ERR("%s: BCM: Patch %s is corrupted", hdev->name,
			       firmware);
			err = -EINVAL;
			goto done;
		}

		cmd_param = fw_ptr;
		fw_ptr += cmd->plen;
		fw_size -= cmd->plen;

		opcode = le16_to_cpu(cmd->opcode);

		skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
				     HCI_INIT_TIMEOUT);
		if (IS_ERR(skb)) {
			err = PTR_ERR(skb);
			BT_ERR("%s: BCM: Patch command %04x failed (%d)",
			       hdev->name, opcode, err);
			goto done;
		}
		kfree_skb(skb);
	}

	/* 250 msec delay after Launch Ram completes */
	msleep(250);

done:
	release_firmware(fw);
	return err;
}
EXPORT_SYMBOL(btbcm_patchram);

static int btbcm_reset(struct hci_dev *hdev)
{
	struct sk_buff *skb;

	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		int err = PTR_ERR(skb);
		BT_ERR("%s: BCM: Reset failed (%d)", hdev->name, err);
		return err;
	}
	kfree_skb(skb);

	return 0;
}

static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev)
{
	struct sk_buff *skb;

	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
			     HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		BT_ERR("%s: BCM: Reading local version info failed (%ld)",
		       hdev->name, PTR_ERR(skb));
		return skb;
	}

	if (skb->len != sizeof(struct hci_rp_read_local_version)) {
		BT_ERR("%s: BCM: Local version length mismatch", hdev->name);
		kfree_skb(skb);
		return ERR_PTR(-EIO);
	}

	return skb;
}

static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev)
{
	struct sk_buff *skb;

	skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		BT_ERR("%s: BCM: Read verbose config info failed (%ld)",
		       hdev->name, PTR_ERR(skb));
		return skb;
	}

	if (skb->len != 7) {
		BT_ERR("%s: BCM: Verbose config length mismatch", hdev->name);
		kfree_skb(skb);
		return ERR_PTR(-EIO);
	}

	return skb;
}

static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev)
{
	struct sk_buff *skb;

	skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		BT_ERR("%s: BCM: Read USB product info failed (%ld)",
		       hdev->name, PTR_ERR(skb));
		return skb;
	}

	if (skb->len != 5) {
		BT_ERR("%s: BCM: USB product length mismatch", hdev->name);
		kfree_skb(skb);
		return ERR_PTR(-EIO);
	}

	return skb;
}

static const struct {
	u16 subver;
	const char *name;
} bcm_uart_subver_table[] = {
	{ 0x410e, "BCM43341B0"	},	/* 002.001.014 */
	{ }
};

static const struct {
	u16 subver;
	const char *name;
} bcm_usb_subver_table[] = {
	{ 0x210b, "BCM43142A0"	},	/* 001.001.011 */
	{ 0x2112, "BCM4314A0"	},	/* 001.001.018 */
	{ 0x2118, "BCM20702A0"	},	/* 001.001.024 */
	{ 0x2126, "BCM4335A0"	},	/* 001.001.038 */
	{ 0x220e, "BCM20702A1"	},	/* 001.002.014 */
	{ 0x230f, "BCM4354A2"	},	/* 001.003.015 */
	{ 0x4106, "BCM4335B0"	},	/* 002.001.006 */
	{ 0x410e, "BCM20702B0"	},	/* 002.001.014 */
	{ 0x6109, "BCM4335C0"	},	/* 003.001.009 */
	{ 0x610c, "BCM4354"	},	/* 003.001.012 */
	{ }
};

int btbcm_setup_patchram(struct hci_dev *hdev)
{
	char fw_name[64];
	u16 subver, rev, pid, vid;
	const char *hw_name = NULL;
	struct sk_buff *skb;
	struct hci_rp_read_local_version *ver;
	int i, err;

	/* Reset */
	err = btbcm_reset(hdev);
	if (err)
		return err;

	/* Read Local Version Info */
	skb = btbcm_read_local_version(hdev);
	if (IS_ERR(skb))
		return PTR_ERR(skb);

	ver = (struct hci_rp_read_local_version *)skb->data;
	rev = le16_to_cpu(ver->hci_rev);
	subver = le16_to_cpu(ver->lmp_subver);
	kfree_skb(skb);

	/* Read Verbose Config Version Info */
	skb = btbcm_read_verbose_config(hdev);
	if (IS_ERR(skb))
		return PTR_ERR(skb);

	BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
	kfree_skb(skb);

	switch ((rev & 0xf000) >> 12) {
	case 0:
		for (i = 0; bcm_uart_subver_table[i].name; i++) {
			if (subver == bcm_uart_subver_table[i].subver) {
				hw_name = bcm_uart_subver_table[i].name;
				break;
			}
		}

		snprintf(fw_name, sizeof(fw_name), "brcm/%s.hcd",
			 hw_name ? : "BCM");
		break;
	case 1:
	case 2:
		/* Read USB Product Info */
		skb = btbcm_read_usb_product(hdev);
		if (IS_ERR(skb))
			return PTR_ERR(skb);

		vid = get_unaligned_le16(skb->data + 1);
		pid = get_unaligned_le16(skb->data + 3);
		kfree_skb(skb);

		for (i = 0; bcm_usb_subver_table[i].name; i++) {
			if (subver == bcm_usb_subver_table[i].subver) {
				hw_name = bcm_usb_subver_table[i].name;
				break;
			}
		}

		snprintf(fw_name, sizeof(fw_name), "brcm/%s-%4.4x-%4.4x.hcd",
			 hw_name ? : "BCM", vid, pid);
		break;
	default:
		return 0;
	}

	BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
		hw_name ? : "BCM", (subver & 0x7000) >> 13,
		(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);

	err = btbcm_patchram(hdev, fw_name);
	if (err == -ENOENT)
		return 0;

	/* Reset */
	err = btbcm_reset(hdev);
	if (err)
		return err;

	/* Read Local Version Info */
	skb = btbcm_read_local_version(hdev);
	if (IS_ERR(skb))
		return PTR_ERR(skb);

	ver = (struct hci_rp_read_local_version *)skb->data;
	rev = le16_to_cpu(ver->hci_rev);
	subver = le16_to_cpu(ver->lmp_subver);
	kfree_skb(skb);

	BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
		hw_name ? : "BCM", (subver & 0x7000) >> 13,
		(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);

	btbcm_check_bdaddr(hdev);

	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_setup_patchram);

int btbcm_setup_apple(struct hci_dev *hdev)
{
	struct sk_buff *skb;

	/* Read Verbose Config Version Info */
	skb = btbcm_read_verbose_config(hdev);
	if (IS_ERR(skb))
		return PTR_ERR(skb);

	BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1],
		get_unaligned_le16(skb->data + 5));
	kfree_skb(skb);

	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_setup_apple);

MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");
Commit	Line	Data
4fba30f0 MH	1	/*
	2	*
	3	* Bluetooth support for Broadcom devices
	4	*
	5	* Copyright (C) 2015 Intel Corporation
	6	*
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License as published by
	10	* the Free Software Foundation; either version 2 of the License, or
	11	* (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	21	*
	22	*/
	23
	24	#include <linux/module.h>
1c8ba6d0 MH	25	#include <linux/firmware.h>
1c8ba6d0 MH	26	#include <asm/unaligned.h>
4fba30f0 MH	27
	28	#include <net/bluetooth/bluetooth.h>
	29	#include <net/bluetooth/hci_core.h>
	30
	31	#include "btbcm.h"
	32
	33	#define VERSION "0.1"
	34
	35	#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
	36
	37	int btbcm_check_bdaddr(struct hci_dev *hdev)
	38	{
	39	struct hci_rp_read_bd_addr *bda;
	40	struct sk_buff *skb;
	41
	42	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
	43	HCI_INIT_TIMEOUT);
	44	if (IS_ERR(skb)) {
	45	int err = PTR_ERR(skb);
	46	BT_ERR("%s: BCM: Reading device address failed (%d)",
	47	hdev->name, err);
	48	return err;
	49	}
	50
	51	if (skb->len != sizeof(*bda)) {
	52	BT_ERR("%s: BCM: Device address length mismatch", hdev->name);
	53	kfree_skb(skb);
	54	return -EIO;
	55	}
	56
	57	bda = (struct hci_rp_read_bd_addr *)skb->data;
4fba30f0 MH	58
	59	/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
	60	* with no configured address.
	61	*/
	62	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
	63	BT_INFO("%s: BCM: Using default device address (%pMR)",
	64	hdev->name, &bda->bdaddr);
	65	set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
	66	}
	67
	68	kfree_skb(skb);
	69
	70	return 0;
	71	}
	72	EXPORT_SYMBOL_GPL(btbcm_check_bdaddr);
	73
	74	int btbcm_set_bdaddr(struct hci_dev hdev, const bdaddr_t bdaddr)
	75	{
	76	struct sk_buff *skb;
	77	int err;
	78
	79	skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
	80	if (IS_ERR(skb)) {
	81	err = PTR_ERR(skb);
	82	BT_ERR("%s: BCM: Change address command failed (%d)",
	83	hdev->name, err);
	84	return err;
	85	}
	86	kfree_skb(skb);
	87
	88	return 0;
	89	}
	90	EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
	91
50862ee5 MH	92	int btbcm_patchram(struct hci_dev hdev, const char firmware)
	93	{
	94	const struct hci_command_hdr *cmd;
	95	const struct firmware *fw;
	96	const u8 *fw_ptr;
	97	size_t fw_size;
	98	struct sk_buff *skb;
	99	u16 opcode;
	100	int err;
	101
	102	err = request_firmware(&fw, firmware, &hdev->dev);
	103	if (err < 0) {
	104	BT_INFO("%s: BCM: Patch %s not found", hdev->name, firmware);
	105	return err;
	106	}
	107
	108	/* Start Download */
	109	skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
	110	if (IS_ERR(skb)) {
	111	err = PTR_ERR(skb);
	112	BT_ERR("%s: BCM: Download Minidrv command failed (%d)",
	113	hdev->name, err);
	114	goto done;
	115	}
	116	kfree_skb(skb);
	117
	118	/* 50 msec delay after Download Minidrv completes */
	119	msleep(50);
	120
	121	fw_ptr = fw->data;
	122	fw_size = fw->size;
	123
	124	while (fw_size >= sizeof(*cmd)) {
	125	const u8 *cmd_param;
	126
	127	cmd = (struct hci_command_hdr *)fw_ptr;
	128	fw_ptr += sizeof(*cmd);
	129	fw_size -= sizeof(*cmd);
	130
	131	if (fw_size < cmd->plen) {
	132	BT_ERR("%s: BCM: Patch %s is corrupted", hdev->name,
	133	firmware);
	134	err = -EINVAL;
	135	goto done;
	136	}
	137
	138	cmd_param = fw_ptr;
	139	fw_ptr += cmd->plen;
	140	fw_size -= cmd->plen;
	141
	142	opcode = le16_to_cpu(cmd->opcode);
	143
	144	skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
	145	HCI_INIT_TIMEOUT);
	146	if (IS_ERR(skb)) {
	147	err = PTR_ERR(skb);
	148	BT_ERR("%s: BCM: Patch command %04x failed (%d)",
	149	hdev->name, opcode, err);
	150	goto done;
	151	}
	152	kfree_skb(skb);
	153	}
	154
	155	/* 250 msec delay after Launch Ram completes */
156	msleep(250);
157
158	done:
159	release_firmware(fw);
160	return err;
161	}
162	EXPORT_SYMBOL(btbcm_patchram);
163
1c8ba6d0 MH	164	static int btbcm_reset(struct hci_dev *hdev)
	165	{
	166	struct sk_buff *skb;
	167
	168	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	169	if (IS_ERR(skb)) {
	170	int err = PTR_ERR(skb);
	171	BT_ERR("%s: BCM: Reset failed (%d)", hdev->name, err);
	172	return err;
	173	}
	174	kfree_skb(skb);
	175
	176	return 0;
	177	}
	178
	179	static struct sk_buff btbcm_read_local_version(struct hci_dev hdev)
	180	{
	181	struct sk_buff *skb;
	182
	183	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
	184	HCI_INIT_TIMEOUT);
	185	if (IS_ERR(skb)) {
	186	BT_ERR("%s: BCM: Reading local version info failed (%ld)",
	187	hdev->name, PTR_ERR(skb));
	188	return skb;
	189	}
	190
	191	if (skb->len != sizeof(struct hci_rp_read_local_version)) {
	192	BT_ERR("%s: BCM: Local version length mismatch", hdev->name);
	193	kfree_skb(skb);
	194	return ERR_PTR(-EIO);
	195	}
	196
	197	return skb;
	198	}
	199
	200	static struct sk_buff btbcm_read_verbose_config(struct hci_dev hdev)
	201	{
	202	struct sk_buff *skb;
	203
	204	skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT);
	205	if (IS_ERR(skb)) {
	206	BT_ERR("%s: BCM: Read verbose config info failed (%ld)",
	207	hdev->name, PTR_ERR(skb));
	208	return skb;
	209	}
	210
	211	if (skb->len != 7) {
	212	BT_ERR("%s: BCM: Verbose config length mismatch", hdev->name);
	213	kfree_skb(skb);
	214	return ERR_PTR(-EIO);
	215	}
	216
	217	return skb;
	218	}
	219
	220	static struct sk_buff btbcm_read_usb_product(struct hci_dev hdev)
	221	{
	222	struct sk_buff *skb;
	223
	224	skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT);
	225	if (IS_ERR(skb)) {
	226	BT_ERR("%s: BCM: Read USB product info failed (%ld)",
	227	hdev->name, PTR_ERR(skb));
228	return skb;
229	}
230
231	if (skb->len != 5) {
232	BT_ERR("%s: BCM: USB product length mismatch", hdev->name);
233	kfree_skb(skb);
234	return ERR_PTR(-EIO);
235	}
236
237	return skb;
238	}
239
240	static const struct {
241	u16 subver;
242	const char *name;
9a0bb57d MH	243	} bcm_uart_subver_table[] = {
	244	{ 0x410e, "BCM43341B0" }, /* 002.001.014 */
	245	{ }
	246	};
	247
	248	static const struct {
	249	u16 subver;
	250	const char *name;
	251	} bcm_usb_subver_table[] = {
1c8ba6d0 MH	252	{ 0x210b, "BCM43142A0" }, /* 001.001.011 */
	253	{ 0x2112, "BCM4314A0" }, /* 001.001.018 */
	254	{ 0x2118, "BCM20702A0" }, /* 001.001.024 */
	255	{ 0x2126, "BCM4335A0" }, /* 001.001.038 */
	256	{ 0x220e, "BCM20702A1" }, /* 001.002.014 */
	257	{ 0x230f, "BCM4354A2" }, /* 001.003.015 */
	258	{ 0x4106, "BCM4335B0" }, /* 002.001.006 */
	259	{ 0x410e, "BCM20702B0" }, /* 002.001.014 */
	260	{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
	261	{ 0x610c, "BCM4354" }, /* 003.001.012 */
	262	{ }
	263	};
	264
	265	int btbcm_setup_patchram(struct hci_dev *hdev)
	266	{
1c8ba6d0	267	char fw_name[64];
50862ee5	268	u16 subver, rev, pid, vid;
1c8ba6d0 MH	269	const char *hw_name = NULL;
	270	struct sk_buff *skb;
	271	struct hci_rp_read_local_version *ver;
	272	int i, err;
	273
	274	/* Reset */
	275	err = btbcm_reset(hdev);
	276	if (err)
	277	return err;
	278
	279	/* Read Local Version Info */
	280	skb = btbcm_read_local_version(hdev);
	281	if (IS_ERR(skb))
	282	return PTR_ERR(skb);
	283
	284	ver = (struct hci_rp_read_local_version *)skb->data;
	285	rev = le16_to_cpu(ver->hci_rev);
	286	subver = le16_to_cpu(ver->lmp_subver);
	287	kfree_skb(skb);
	288
	289	/* Read Verbose Config Version Info */
	290	skb = btbcm_read_verbose_config(hdev);
	291	if (IS_ERR(skb))
	292	return PTR_ERR(skb);
	293
	294	BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
	295	kfree_skb(skb);
	296
9a0bb57d MH	297	switch ((rev & 0xf000) >> 12) {
	298	case 0:
	299	for (i = 0; bcm_uart_subver_table[i].name; i++) {
	300	if (subver == bcm_uart_subver_table[i].subver) {
	301	hw_name = bcm_uart_subver_table[i].name;
	302	break;
	303	}
	304	}
1c8ba6d0	305
9a0bb57d MH	306	snprintf(fw_name, sizeof(fw_name), "brcm/%s.hcd",
	307	hw_name ? : "BCM");
	308	break;
	309	case 1:
	310	case 2:
	311	/* Read USB Product Info */
	312	skb = btbcm_read_usb_product(hdev);
	313	if (IS_ERR(skb))
	314	return PTR_ERR(skb);
	315
	316	vid = get_unaligned_le16(skb->data + 1);
	317	pid = get_unaligned_le16(skb->data + 3);
	318	kfree_skb(skb);
1c8ba6d0	319
9a0bb57d MH	320	for (i = 0; bcm_usb_subver_table[i].name; i++) {
	321	if (subver == bcm_usb_subver_table[i].subver) {
	322	hw_name = bcm_usb_subver_table[i].name;
	323	break;
	324	}
1c8ba6d0	325	}
9a0bb57d MH	326
	327	snprintf(fw_name, sizeof(fw_name), "brcm/%s-%4.4x-%4.4x.hcd",
	328	hw_name ? : "BCM", vid, pid);
	329	break;
	330	default:
	331	return 0;
1c8ba6d0 MH	332	}
	333
	334	BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
	335	hw_name ? : "BCM", (subver & 0x7000) >> 13,
	336	(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
	337
50862ee5 MH	338	err = btbcm_patchram(hdev, fw_name);
50862ee5 MH	339	if (err == -ENOENT)
1c8ba6d0	340	return 0;
1c8ba6d0	341
1c8ba6d0 MH	342	/* Reset */
	343	err = btbcm_reset(hdev);
	344	if (err)
50862ee5	345	return err;
1c8ba6d0 MH	346
	347	/* Read Local Version Info */
	348	skb = btbcm_read_local_version(hdev);
50862ee5 MH	349	if (IS_ERR(skb))
50862ee5 MH	350	return PTR_ERR(skb);
1c8ba6d0 MH	351
	352	ver = (struct hci_rp_read_local_version *)skb->data;
	353	rev = le16_to_cpu(ver->hci_rev);
	354	subver = le16_to_cpu(ver->lmp_subver);
	355	kfree_skb(skb);
	356
	357	BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
	358	hw_name ? : "BCM", (subver & 0x7000) >> 13,
	359	(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
	360
	361	btbcm_check_bdaddr(hdev);
	362
941521e2 MH	363	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
941521e2 MH	364
50862ee5	365	return 0;
1c8ba6d0 MH	366	}
	367	EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
	368
	369	int btbcm_setup_apple(struct hci_dev *hdev)
	370	{
	371	struct sk_buff *skb;
	372
	373	/* Read Verbose Config Version Info */
	374	skb = btbcm_read_verbose_config(hdev);
	375	if (IS_ERR(skb))
	376	return PTR_ERR(skb);
	377
	378	BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1],
	379	get_unaligned_le16(skb->data + 5));
	380	kfree_skb(skb);
	381
941521e2 MH	382	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
941521e2 MH	383
1c8ba6d0 MH	384	return 0;
	385	}
	386	EXPORT_SYMBOL_GPL(btbcm_setup_apple);
	387
4fba30f0 MH	388	MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
	389	MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION);
	390	MODULE_VERSION(VERSION);
	391	MODULE_LICENSE("GPL");