[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;
	if (bda->status) {
		BT_ERR("%s: BCM: Device address result failed (%02x)",
		       hdev->name, bda->status);
		kfree_skb(skb);
		return -bt_to_errno(bda->status);
	}

	/* 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;
	58	if (bda->status) {
	59	BT_ERR("%s: BCM: Device address result failed (%02x)",
	60	hdev->name, bda->status);
	61	kfree_skb(skb);
	62	return -bt_to_errno(bda->status);
	63	}
	64
	65	/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
	66	* with no configured address.
	67	*/
	68	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
	69	BT_INFO("%s: BCM: Using default device address (%pMR)",
	70	hdev->name, &bda->bdaddr);
	71	set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
	72	}
	73
	74	kfree_skb(skb);
	75
	76	return 0;
	77	}
	78	EXPORT_SYMBOL_GPL(btbcm_check_bdaddr);
	79
	80	int btbcm_set_bdaddr(struct hci_dev hdev, const bdaddr_t bdaddr)
	81	{
	82	struct sk_buff *skb;
	83	int err;
	84
	85	skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
	86	if (IS_ERR(skb)) {
	87	err = PTR_ERR(skb);
	88	BT_ERR("%s: BCM: Change address command failed (%d)",
	89	hdev->name, err);
	90	return err;
91	}
92	kfree_skb(skb);
93
94	return 0;
95	}
96	EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
97
50862ee5 MH	98	int btbcm_patchram(struct hci_dev hdev, const char firmware)
	99	{
	100	const struct hci_command_hdr *cmd;
	101	const struct firmware *fw;
	102	const u8 *fw_ptr;
	103	size_t fw_size;
	104	struct sk_buff *skb;
	105	u16 opcode;
	106	int err;
	107
	108	err = request_firmware(&fw, firmware, &hdev->dev);
	109	if (err < 0) {
	110	BT_INFO("%s: BCM: Patch %s not found", hdev->name, firmware);
	111	return err;
	112	}
	113
	114	/* Start Download */
	115	skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
	116	if (IS_ERR(skb)) {
	117	err = PTR_ERR(skb);
	118	BT_ERR("%s: BCM: Download Minidrv command failed (%d)",
	119	hdev->name, err);
	120	goto done;
	121	}
	122	kfree_skb(skb);
	123
	124	/* 50 msec delay after Download Minidrv completes */
	125	msleep(50);
	126
	127	fw_ptr = fw->data;
	128	fw_size = fw->size;
	129
	130	while (fw_size >= sizeof(*cmd)) {
	131	const u8 *cmd_param;
	132
	133	cmd = (struct hci_command_hdr *)fw_ptr;
	134	fw_ptr += sizeof(*cmd);
	135	fw_size -= sizeof(*cmd);
	136
	137	if (fw_size < cmd->plen) {
	138	BT_ERR("%s: BCM: Patch %s is corrupted", hdev->name,
	139	firmware);
	140	err = -EINVAL;
	141	goto done;
	142	}
	143
	144	cmd_param = fw_ptr;
	145	fw_ptr += cmd->plen;
	146	fw_size -= cmd->plen;
	147
	148	opcode = le16_to_cpu(cmd->opcode);
	149
	150	skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
	151	HCI_INIT_TIMEOUT);
	152	if (IS_ERR(skb)) {
	153	err = PTR_ERR(skb);
	154	BT_ERR("%s: BCM: Patch command %04x failed (%d)",
	155	hdev->name, opcode, err);
	156	goto done;
	157	}
	158	kfree_skb(skb);
	159	}
	160
	161	/* 250 msec delay after Launch Ram completes */
162	msleep(250);
163
164	done:
165	release_firmware(fw);
166	return err;
167	}
168	EXPORT_SYMBOL(btbcm_patchram);
169
1c8ba6d0 MH	170	static int btbcm_reset(struct hci_dev *hdev)
	171	{
	172	struct sk_buff *skb;
	173
	174	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	175	if (IS_ERR(skb)) {
	176	int err = PTR_ERR(skb);
	177	BT_ERR("%s: BCM: Reset failed (%d)", hdev->name, err);
	178	return err;
	179	}
	180	kfree_skb(skb);
	181
	182	return 0;
	183	}
	184
	185	static struct sk_buff btbcm_read_local_version(struct hci_dev hdev)
	186	{
	187	struct sk_buff *skb;
	188
	189	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
	190	HCI_INIT_TIMEOUT);
	191	if (IS_ERR(skb)) {
	192	BT_ERR("%s: BCM: Reading local version info failed (%ld)",
	193	hdev->name, PTR_ERR(skb));
	194	return skb;
	195	}
	196
	197	if (skb->len != sizeof(struct hci_rp_read_local_version)) {
	198	BT_ERR("%s: BCM: Local version length mismatch", hdev->name);
	199	kfree_skb(skb);
	200	return ERR_PTR(-EIO);
	201	}
	202
	203	return skb;
	204	}
	205
	206	static struct sk_buff btbcm_read_verbose_config(struct hci_dev hdev)
	207	{
	208	struct sk_buff *skb;
	209
	210	skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT);
	211	if (IS_ERR(skb)) {
	212	BT_ERR("%s: BCM: Read verbose config info failed (%ld)",
	213	hdev->name, PTR_ERR(skb));
	214	return skb;
	215	}
	216
	217	if (skb->len != 7) {
	218	BT_ERR("%s: BCM: Verbose config length mismatch", hdev->name);
	219	kfree_skb(skb);
	220	return ERR_PTR(-EIO);
	221	}
	222
	223	return skb;
	224	}
	225
	226	static struct sk_buff btbcm_read_usb_product(struct hci_dev hdev)
	227	{
	228	struct sk_buff *skb;
	229
	230	skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT);
	231	if (IS_ERR(skb)) {
	232	BT_ERR("%s: BCM: Read USB product info failed (%ld)",
	233	hdev->name, PTR_ERR(skb));
234	return skb;
235	}
236
237	if (skb->len != 5) {
238	BT_ERR("%s: BCM: USB product length mismatch", hdev->name);
239	kfree_skb(skb);
240	return ERR_PTR(-EIO);
241	}
242
243	return skb;
244	}
245
246	static const struct {
247	u16 subver;
248	const char *name;
9a0bb57d MH	249	} bcm_uart_subver_table[] = {
	250	{ 0x410e, "BCM43341B0" }, /* 002.001.014 */
	251	{ }
	252	};
	253
	254	static const struct {
	255	u16 subver;
	256	const char *name;
	257	} bcm_usb_subver_table[] = {
1c8ba6d0 MH	258	{ 0x210b, "BCM43142A0" }, /* 001.001.011 */
	259	{ 0x2112, "BCM4314A0" }, /* 001.001.018 */
	260	{ 0x2118, "BCM20702A0" }, /* 001.001.024 */
	261	{ 0x2126, "BCM4335A0" }, /* 001.001.038 */
	262	{ 0x220e, "BCM20702A1" }, /* 001.002.014 */
	263	{ 0x230f, "BCM4354A2" }, /* 001.003.015 */
	264	{ 0x4106, "BCM4335B0" }, /* 002.001.006 */
	265	{ 0x410e, "BCM20702B0" }, /* 002.001.014 */
	266	{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
	267	{ 0x610c, "BCM4354" }, /* 003.001.012 */
	268	{ }
	269	};
	270
	271	int btbcm_setup_patchram(struct hci_dev *hdev)
	272	{
1c8ba6d0	273	char fw_name[64];
50862ee5	274	u16 subver, rev, pid, vid;
1c8ba6d0 MH	275	const char *hw_name = NULL;
	276	struct sk_buff *skb;
	277	struct hci_rp_read_local_version *ver;
	278	int i, err;
	279
	280	/* Reset */
	281	err = btbcm_reset(hdev);
	282	if (err)
	283	return err;
	284
	285	/* Read Local Version Info */
	286	skb = btbcm_read_local_version(hdev);
	287	if (IS_ERR(skb))
	288	return PTR_ERR(skb);
	289
	290	ver = (struct hci_rp_read_local_version *)skb->data;
	291	rev = le16_to_cpu(ver->hci_rev);
	292	subver = le16_to_cpu(ver->lmp_subver);
	293	kfree_skb(skb);
	294
	295	/* Read Verbose Config Version Info */
	296	skb = btbcm_read_verbose_config(hdev);
	297	if (IS_ERR(skb))
	298	return PTR_ERR(skb);
	299
	300	BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
	301	kfree_skb(skb);
	302
9a0bb57d MH	303	switch ((rev & 0xf000) >> 12) {
	304	case 0:
	305	for (i = 0; bcm_uart_subver_table[i].name; i++) {
	306	if (subver == bcm_uart_subver_table[i].subver) {
	307	hw_name = bcm_uart_subver_table[i].name;
	308	break;
	309	}
	310	}
1c8ba6d0	311
9a0bb57d MH	312	snprintf(fw_name, sizeof(fw_name), "brcm/%s.hcd",
	313	hw_name ? : "BCM");
	314	break;
	315	case 1:
	316	case 2:
	317	/* Read USB Product Info */
	318	skb = btbcm_read_usb_product(hdev);
	319	if (IS_ERR(skb))
	320	return PTR_ERR(skb);
	321
	322	vid = get_unaligned_le16(skb->data + 1);
	323	pid = get_unaligned_le16(skb->data + 3);
	324	kfree_skb(skb);
1c8ba6d0	325
9a0bb57d MH	326	for (i = 0; bcm_usb_subver_table[i].name; i++) {
	327	if (subver == bcm_usb_subver_table[i].subver) {
	328	hw_name = bcm_usb_subver_table[i].name;
	329	break;
	330	}
1c8ba6d0	331	}
9a0bb57d MH	332
	333	snprintf(fw_name, sizeof(fw_name), "brcm/%s-%4.4x-%4.4x.hcd",
	334	hw_name ? : "BCM", vid, pid);
	335	break;
	336	default:
	337	return 0;
1c8ba6d0 MH	338	}
	339
	340	BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
	341	hw_name ? : "BCM", (subver & 0x7000) >> 13,
	342	(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
	343
50862ee5 MH	344	err = btbcm_patchram(hdev, fw_name);
50862ee5 MH	345	if (err == -ENOENT)
1c8ba6d0	346	return 0;
1c8ba6d0	347
1c8ba6d0 MH	348	/* Reset */
	349	err = btbcm_reset(hdev);
	350	if (err)
50862ee5	351	return err;
1c8ba6d0 MH	352
	353	/* Read Local Version Info */
	354	skb = btbcm_read_local_version(hdev);
50862ee5 MH	355	if (IS_ERR(skb))
50862ee5 MH	356	return PTR_ERR(skb);
1c8ba6d0 MH	357
	358	ver = (struct hci_rp_read_local_version *)skb->data;
	359	rev = le16_to_cpu(ver->hci_rev);
	360	subver = le16_to_cpu(ver->lmp_subver);
	361	kfree_skb(skb);
	362
	363	BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
	364	hw_name ? : "BCM", (subver & 0x7000) >> 13,
	365	(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
	366
	367	btbcm_check_bdaddr(hdev);
	368
941521e2 MH	369	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
941521e2 MH	370
50862ee5	371	return 0;
1c8ba6d0 MH	372	}
	373	EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
	374
	375	int btbcm_setup_apple(struct hci_dev *hdev)
	376	{
	377	struct sk_buff *skb;
	378
	379	/* Read Verbose Config Version Info */
	380	skb = btbcm_read_verbose_config(hdev);
	381	if (IS_ERR(skb))
	382	return PTR_ERR(skb);
	383
	384	BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1],
	385	get_unaligned_le16(skb->data + 5));
	386	kfree_skb(skb);
	387
941521e2 MH	388	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
941521e2 MH	389
1c8ba6d0 MH	390	return 0;
	391	}
	392	EXPORT_SYMBOL_GPL(btbcm_setup_apple);
	393
4fba30f0 MH	394	MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
	395	MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION);
	396	MODULE_VERSION(VERSION);
	397	MODULE_LICENSE("GPL");