[linux-block.git] / drivers / bluetooth / btbcm.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *
 *  Bluetooth support for Broadcom devices
 *
 *  Copyright (C) 2015  Intel Corporation
 */

#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}})
#define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}})
#define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}})
#define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})
#define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})
#define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})
#define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}})
#define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}})
#define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}})

#define BCM_FW_NAME_LEN			64
#define BCM_FW_NAME_COUNT_MAX		2
/* For kmalloc-ing the fw-name array instead of putting it on the stack */
typedef char bcm_fw_name[BCM_FW_NAME_LEN];

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_dev_err(hdev, "BCM: Reading device address failed (%d)", err);
		return err;
	}

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

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

	/* Check if the address indicates a controller with either an
	 * invalid or default address. In both cases the device needs
	 * to be marked as not having a valid address.
	 *
	 * The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
	 * with no configured address.
	 *
	 * The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller
	 * with no configured address.
	 *
	 * The address 20:76:A0:00:56:79 indicates a BCM2076B1 controller
	 * with no configured address.
	 *
	 * The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller
	 * with waiting for configuration state.
	 *
	 * The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller
	 * with waiting for configuration state.
	 *
	 * The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller
	 * with no configured address.
	 */
	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM2076B1) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM4334B0) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM4345C5) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) ||
	    !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) {
		bt_dev_info(hdev, "BCM: Using default device address (%pMR)",
			    &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_dev_err(hdev, "BCM: Change address command failed (%d)", err);
		return err;
	}
	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);

int btbcm_read_pcm_int_params(struct hci_dev *hdev,
			      struct bcm_set_pcm_int_params *params)
{
	struct sk_buff *skb;
	int err = 0;

	skb = __hci_cmd_sync(hdev, 0xfc1d, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "BCM: Read PCM int params failed (%d)", err);
		return err;
	}

	if (skb->len != 6 || skb->data[0]) {
		bt_dev_err(hdev, "BCM: Read PCM int params length mismatch");
		kfree_skb(skb);
		return -EIO;
	}

	if (params)
		memcpy(params, skb->data + 1, 5);

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params);

int btbcm_write_pcm_int_params(struct hci_dev *hdev,
			       const struct bcm_set_pcm_int_params *params)
{
	struct sk_buff *skb;
	int err;

	skb = __hci_cmd_sync(hdev, 0xfc1c, 5, params, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "BCM: Write PCM int params failed (%d)", err);
		return err;
	}
	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params);

int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw)
{
	const struct hci_command_hdr *cmd;
	const u8 *fw_ptr;
	size_t fw_size;
	struct sk_buff *skb;
	u16 opcode;
	int err = 0;

	/* Start Download */
	skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)",
			   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_dev_err(hdev, "BCM: Patch is corrupted");
			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_dev_err(hdev, "BCM: Patch command %04x failed (%d)",
				   opcode, err);
			goto done;
		}
		kfree_skb(skb);
	}

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

done:
	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_dev_err(hdev, "BCM: Reset failed (%d)", err);
		return err;
	}
	kfree_skb(skb);

	/* 100 msec delay for module to complete reset process */
	msleep(100);

	return 0;
}

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

	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL,
			     HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		bt_dev_err(hdev, "BCM: Reading local name failed (%ld)",
			   PTR_ERR(skb));
		return skb;
	}

	if (skb->len != sizeof(struct hci_rp_read_local_name)) {
		bt_dev_err(hdev, "BCM: Local name length mismatch");
		kfree_skb(skb);
		return ERR_PTR(-EIO);
	}

	return skb;
}

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_dev_err(hdev, "BCM: Reading local version info failed (%ld)",
			   PTR_ERR(skb));
		return skb;
	}

	if (skb->len != sizeof(struct hci_rp_read_local_version)) {
		bt_dev_err(hdev, "BCM: Local version length mismatch");
		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_dev_err(hdev, "BCM: Read verbose config info failed (%ld)",
			   PTR_ERR(skb));
		return skb;
	}

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

	return skb;
}

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

	skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		bt_dev_err(hdev, "BCM: Read controller features failed (%ld)",
			   PTR_ERR(skb));
		return skb;
	}

	if (skb->len != 9) {
		bt_dev_err(hdev, "BCM: Controller features length mismatch");
		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_dev_err(hdev, "BCM: Read USB product info failed (%ld)",
			   PTR_ERR(skb));
		return skb;
	}

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

	return skb;
}

static int btbcm_read_info(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_dev_info(hdev, "BCM: chip id %u", skb->data[1]);
	kfree_skb(skb);

	/* Read Controller Features */
	skb = btbcm_read_controller_features(hdev);
	if (IS_ERR(skb))
		return PTR_ERR(skb);

	bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
	kfree_skb(skb);

	return 0;
}

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

	/* Read Local Name */
	skb = btbcm_read_local_name(hdev);
	if (IS_ERR(skb))
		return PTR_ERR(skb);

	bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
	kfree_skb(skb);

	return 0;
}

struct bcm_subver_table {
	u16 subver;
	const char *name;
};

static const struct bcm_subver_table bcm_uart_subver_table[] = {
	{ 0x4103, "BCM4330B1"	},	/* 002.001.003 */
	{ 0x410d, "BCM4334B0"	},	/* 002.001.013 */
	{ 0x410e, "BCM43341B0"	},	/* 002.001.014 */
	{ 0x4204, "BCM2076B1"	},	/* 002.002.004 */
	{ 0x4406, "BCM4324B3"	},	/* 002.004.006 */
	{ 0x4606, "BCM4324B5"	},	/* 002.006.006 */
	{ 0x6109, "BCM4335C0"	},	/* 003.001.009 */
	{ 0x610c, "BCM4354"	},	/* 003.001.012 */
	{ 0x2122, "BCM4343A0"	},	/* 001.001.034 */
	{ 0x2209, "BCM43430A1"  },	/* 001.002.009 */
	{ 0x6119, "BCM4345C0"	},	/* 003.001.025 */
	{ 0x6606, "BCM4345C5"	},	/* 003.006.006 */
	{ 0x230f, "BCM4356A2"	},	/* 001.003.015 */
	{ 0x220e, "BCM20702A1"  },	/* 001.002.014 */
	{ 0x4217, "BCM4329B1"   },	/* 002.002.023 */
	{ 0x6106, "BCM4359C0"	},	/* 003.001.006 */
	{ 0x4106, "BCM4335A0"	},	/* 002.001.006 */
	{ 0x410c, "BCM43430B0"	},	/* 002.001.012 */
	{ }
};

static const struct bcm_subver_table bcm_usb_subver_table[] = {
	{ 0x2105, "BCM20703A1"	},	/* 001.001.005 */
	{ 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, "BCM4356A2"	},	/* 001.003.015 */
	{ 0x4106, "BCM4335B0"	},	/* 002.001.006 */
	{ 0x410e, "BCM20702B0"	},	/* 002.001.014 */
	{ 0x6109, "BCM4335C0"	},	/* 003.001.009 */
	{ 0x610c, "BCM4354"	},	/* 003.001.012 */
	{ 0x6607, "BCM4350C5"	},	/* 003.006.007 */
	{ }
};

int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done)
{
	u16 subver, rev, pid, vid;
	struct sk_buff *skb;
	struct hci_rp_read_local_version *ver;
	const struct bcm_subver_table *bcm_subver_table;
	const char *hw_name = NULL;
	char postfix[16] = "";
	int fw_name_count = 0;
	bcm_fw_name *fw_name;
	const struct firmware *fw;
	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 controller information */
	if (!(*fw_load_done)) {
		err = btbcm_read_info(hdev);
		if (err)
			return err;
	}
	err = btbcm_print_local_name(hdev);
	if (err)
		return err;

	bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table :
						    bcm_uart_subver_table;

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

	bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u",
		    hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13,
		    (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);

	if (*fw_load_done)
		return 0;

	if (hdev->bus == HCI_USB) {
		/* 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);

		snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
	}

	fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
	if (!fw_name)
		return -ENOMEM;

	if (hw_name) {
		snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
			 "brcm/%s%s.hcd", hw_name, postfix);
		fw_name_count++;
	}

	snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
		 "brcm/BCM%s.hcd", postfix);
	fw_name_count++;

	for (i = 0; i < fw_name_count; i++) {
		err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev);
		if (err == 0) {
			bt_dev_info(hdev, "%s '%s' Patch",
				    hw_name ? hw_name : "BCM", fw_name[i]);
			*fw_load_done = true;
			break;
		}
	}

	if (*fw_load_done) {
		err = btbcm_patchram(hdev, fw);
		if (err)
			bt_dev_info(hdev, "BCM: Patch failed (%d)", err);

		release_firmware(fw);
	} else {
		bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:");
		for (i = 0; i < fw_name_count; i++)
			bt_dev_err(hdev, "BCM: '%s'", fw_name[i]);
	}

	kfree(fw_name);
	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_initialize);

int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done)
{
	int err;

	/* Re-initialize if necessary */
	if (*fw_load_done) {
		err = btbcm_initialize(hdev, fw_load_done);
		if (err)
			return err;
	}

	btbcm_check_bdaddr(hdev);

	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);

	return 0;
}
EXPORT_SYMBOL_GPL(btbcm_finalize);

int btbcm_setup_patchram(struct hci_dev *hdev)
{
	bool fw_load_done = false;
	int err;

	/* Initialize */
	err = btbcm_initialize(hdev, &fw_load_done);
	if (err)
		return err;

	/* Re-initialize after loading Patch */
	return btbcm_finalize(hdev, &fw_load_done);
}
EXPORT_SYMBOL_GPL(btbcm_setup_patchram);

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

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

	/* Read Verbose Config Version Info */
	skb = btbcm_read_verbose_config(hdev);
	if (!IS_ERR(skb)) {
		bt_dev_info(hdev, "BCM: chip id %u build %4.4u",
			    skb->data[1], get_unaligned_le16(skb->data + 5));
		kfree_skb(skb);
	}

	/* Read USB Product Info */
	skb = btbcm_read_usb_product(hdev);
	if (!IS_ERR(skb)) {
		bt_dev_info(hdev, "BCM: product %4.4x:%4.4x",
			    get_unaligned_le16(skb->data + 1),
			    get_unaligned_le16(skb->data + 3));
		kfree_skb(skb);
	}

	/* Read Controller Features */
	skb = btbcm_read_controller_features(hdev);
	if (!IS_ERR(skb)) {
		bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
		kfree_skb(skb);
	}

	/* Read Local Name */
	skb = btbcm_read_local_name(hdev);
	if (!IS_ERR(skb)) {
		bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
		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
1a59d1b8	1	// SPDX-License-Identifier: GPL-2.0-or-later
4fba30f0 MH	2	/*
	3	*
	4	* Bluetooth support for Broadcom devices
	5	*
	6	* Copyright (C) 2015 Intel Corporation
4fba30f0 MH	7	*/
	8
	9	#include <linux/module.h>
1c8ba6d0 MH	10	#include <linux/firmware.h>
1c8ba6d0 MH	11	#include <asm/unaligned.h>
4fba30f0 MH	12
	13	#include <net/bluetooth/bluetooth.h>
	14	#include <net/bluetooth/hci_core.h>
	15
	16	#include "btbcm.h"
	17
	18	#define VERSION "0.1"
	19
	20	#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
92ffe0db	21	#define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}})
300926b1	22	#define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}})
0697607a	23	#define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}})
a8f3b941	24	#define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}})
4a546ec3	25	#define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}})
b8dc6476	26	#define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}})
52c8c7a7	27	#define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}})
50357261	28	#define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}})
4fba30f0	29
0287c5d8	30	#define BCM_FW_NAME_LEN 64
74530a63 HG	31	#define BCM_FW_NAME_COUNT_MAX 2
	32	/* For kmalloc-ing the fw-name array instead of putting it on the stack */
	33	typedef char bcm_fw_name[BCM_FW_NAME_LEN];
0287c5d8	34
4fba30f0 MH	35	int btbcm_check_bdaddr(struct hci_dev *hdev)
	36	{
	37	struct hci_rp_read_bd_addr *bda;
	38	struct sk_buff *skb;
	39
	40	skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
	41	HCI_INIT_TIMEOUT);
	42	if (IS_ERR(skb)) {
	43	int err = PTR_ERR(skb);
dde8010b	44
2064ee33	45	bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err);
4fba30f0 MH	46	return err;
	47	}
	48
	49	if (skb->len != sizeof(*bda)) {
2064ee33	50	bt_dev_err(hdev, "BCM: Device address length mismatch");
4fba30f0 MH	51	kfree_skb(skb);
	52	return -EIO;
	53	}
	54
	55	bda = (struct hci_rp_read_bd_addr *)skb->data;
4fba30f0	56
a8f3b941 FD	57	/* Check if the address indicates a controller with either an
	58	* invalid or default address. In both cases the device needs
	59	* to be marked as not having a valid address.
	60	*
	61	* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
4fba30f0	62	* with no configured address.
a8f3b941	63	*
92ffe0db MR	64	* The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller
	65	* with no configured address.
	66	*
300926b1 SG	67	* The address 20:76:A0:00:56:79 indicates a BCM2076B1 controller
	68	* with no configured address.
	69	*
a8f3b941 FD	70	* The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller
a8f3b941 FD	71	* with waiting for configuration state.
4a546ec3 FD	72	*
	73	* The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller
	74	* with waiting for configuration state.
0697607a CYT	75	*
	76	* The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller
	77	* with no configured address.
4fba30f0	78	*/
a8f3b941	79	if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) \|\|
92ffe0db	80	!bacmp(&bda->bdaddr, BDADDR_BCM20702A1) \|\|
300926b1	81	!bacmp(&bda->bdaddr, BDADDR_BCM2076B1) \|\|
4a546ec3	82	!bacmp(&bda->bdaddr, BDADDR_BCM4324B3) \|\|
0697607a	83	!bacmp(&bda->bdaddr, BDADDR_BCM4330B1) \|\|
b8dc6476	84	!bacmp(&bda->bdaddr, BDADDR_BCM4334B0) \|\|
52c8c7a7	85	!bacmp(&bda->bdaddr, BDADDR_BCM4345C5) \|\|
50357261 FT	86	!bacmp(&bda->bdaddr, BDADDR_BCM43430A0) \|\|
50357261 FT	87	!bacmp(&bda->bdaddr, BDADDR_BCM43341B)) {
2064ee33 MH	88	bt_dev_info(hdev, "BCM: Using default device address (%pMR)",
2064ee33 MH	89	&bda->bdaddr);
4fba30f0 MH	90	set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
	91	}
	92
	93	kfree_skb(skb);
	94
	95	return 0;
	96	}
	97	EXPORT_SYMBOL_GPL(btbcm_check_bdaddr);
	98
	99	int btbcm_set_bdaddr(struct hci_dev hdev, const bdaddr_t bdaddr)
	100	{
	101	struct sk_buff *skb;
	102	int err;
	103
	104	skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
	105	if (IS_ERR(skb)) {
	106	err = PTR_ERR(skb);
2064ee33	107	bt_dev_err(hdev, "BCM: Change address command failed (%d)", err);
4fba30f0 MH	108	return err;
	109	}
	110	kfree_skb(skb);
	111
	112	return 0;
	113	}
	114	EXPORT_SYMBOL_GPL(btbcm_set_bdaddr);
	115
52837990 APS	116	int btbcm_read_pcm_int_params(struct hci_dev *hdev,
	117	struct bcm_set_pcm_int_params *params)
	118	{
	119	struct sk_buff *skb;
	120	int err = 0;
	121
	122	skb = __hci_cmd_sync(hdev, 0xfc1d, 0, NULL, HCI_INIT_TIMEOUT);
	123	if (IS_ERR(skb)) {
	124	err = PTR_ERR(skb);
	125	bt_dev_err(hdev, "BCM: Read PCM int params failed (%d)", err);
	126	return err;
	127	}
	128
	129	if (skb->len != 6 \|\| skb->data[0]) {
	130	bt_dev_err(hdev, "BCM: Read PCM int params length mismatch");
	131	kfree_skb(skb);
	132	return -EIO;
	133	}
	134
	135	if (params)
	136	memcpy(params, skb->data + 1, 5);
	137
	138	kfree_skb(skb);
	139
	140	return 0;
	141	}
	142	EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params);
	143
	144	int btbcm_write_pcm_int_params(struct hci_dev *hdev,
	145	const struct bcm_set_pcm_int_params *params)
	146	{
	147	struct sk_buff *skb;
	148	int err;
	149
	150	skb = __hci_cmd_sync(hdev, 0xfc1c, 5, params, HCI_INIT_TIMEOUT);
	151	if (IS_ERR(skb)) {
	152	err = PTR_ERR(skb);
	153	bt_dev_err(hdev, "BCM: Write PCM int params failed (%d)", err);
	154	return err;
	155	}
	156	kfree_skb(skb);
	157
	158	return 0;
	159	}
	160	EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params);
	161
18aeb444	162	int btbcm_patchram(struct hci_dev hdev, const struct firmware fw)
50862ee5 MH	163	{
50862ee5 MH	164	const struct hci_command_hdr *cmd;
50862ee5 MH	165	const u8 *fw_ptr;
	166	size_t fw_size;
	167	struct sk_buff *skb;
	168	u16 opcode;
18aeb444	169	int err = 0;
50862ee5 MH	170
	171	/* Start Download */
	172	skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
	173	if (IS_ERR(skb)) {
	174	err = PTR_ERR(skb);
2064ee33 MH	175	bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)",
2064ee33 MH	176	err);
50862ee5 MH	177	goto done;
	178	}
	179	kfree_skb(skb);
	180
	181	/* 50 msec delay after Download Minidrv completes */
	182	msleep(50);
	183
	184	fw_ptr = fw->data;
	185	fw_size = fw->size;
	186
	187	while (fw_size >= sizeof(*cmd)) {
	188	const u8 *cmd_param;
	189
	190	cmd = (struct hci_command_hdr *)fw_ptr;
	191	fw_ptr += sizeof(*cmd);
	192	fw_size -= sizeof(*cmd);
	193
	194	if (fw_size < cmd->plen) {
2064ee33	195	bt_dev_err(hdev, "BCM: Patch is corrupted");
50862ee5 MH	196	err = -EINVAL;
	197	goto done;
	198	}
	199
	200	cmd_param = fw_ptr;
	201	fw_ptr += cmd->plen;
	202	fw_size -= cmd->plen;
	203
	204	opcode = le16_to_cpu(cmd->opcode);
	205
	206	skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
	207	HCI_INIT_TIMEOUT);
	208	if (IS_ERR(skb)) {
	209	err = PTR_ERR(skb);
2064ee33 MH	210	bt_dev_err(hdev, "BCM: Patch command %04x failed (%d)",
2064ee33 MH	211	opcode, err);
50862ee5 MH	212	goto done;
	213	}
	214	kfree_skb(skb);
	215	}
	216
	217	/* 250 msec delay after Launch Ram completes */
	218	msleep(250);
	219
	220	done:
50862ee5 MH	221	return err;
	222	}
	223	EXPORT_SYMBOL(btbcm_patchram);
	224
1c8ba6d0 MH	225	static int btbcm_reset(struct hci_dev *hdev)
	226	{
	227	struct sk_buff *skb;
	228
	229	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	230	if (IS_ERR(skb)) {
	231	int err = PTR_ERR(skb);
dde8010b	232
2064ee33	233	bt_dev_err(hdev, "BCM: Reset failed (%d)", err);
1c8ba6d0 MH	234	return err;
	235	}
	236	kfree_skb(skb);
	237
3af3a594 WJS	238	/* 100 msec delay for module to complete reset process */
	239	msleep(100);
	240
1c8ba6d0 MH	241	return 0;
	242	}
	243
9bc63ca0 MH	244	static struct sk_buff btbcm_read_local_name(struct hci_dev hdev)
	245	{
	246	struct sk_buff *skb;
	247
	248	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL,
	249	HCI_INIT_TIMEOUT);
	250	if (IS_ERR(skb)) {
2064ee33 MH	251	bt_dev_err(hdev, "BCM: Reading local name failed (%ld)",
2064ee33 MH	252	PTR_ERR(skb));
9bc63ca0 MH	253	return skb;
	254	}
	255
	256	if (skb->len != sizeof(struct hci_rp_read_local_name)) {
2064ee33	257	bt_dev_err(hdev, "BCM: Local name length mismatch");
9bc63ca0 MH	258	kfree_skb(skb);
	259	return ERR_PTR(-EIO);
	260	}
	261
	262	return skb;
	263	}
	264
1c8ba6d0 MH	265	static struct sk_buff btbcm_read_local_version(struct hci_dev hdev)
	266	{
	267	struct sk_buff *skb;
	268
	269	skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
	270	HCI_INIT_TIMEOUT);
	271	if (IS_ERR(skb)) {
2064ee33 MH	272	bt_dev_err(hdev, "BCM: Reading local version info failed (%ld)",
2064ee33 MH	273	PTR_ERR(skb));
1c8ba6d0 MH	274	return skb;
	275	}
	276
	277	if (skb->len != sizeof(struct hci_rp_read_local_version)) {
2064ee33	278	bt_dev_err(hdev, "BCM: Local version length mismatch");
1c8ba6d0 MH	279	kfree_skb(skb);
	280	return ERR_PTR(-EIO);
	281	}
	282
	283	return skb;
	284	}
	285
	286	static struct sk_buff btbcm_read_verbose_config(struct hci_dev hdev)
	287	{
	288	struct sk_buff *skb;
	289
	290	skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT);
	291	if (IS_ERR(skb)) {
2064ee33 MH	292	bt_dev_err(hdev, "BCM: Read verbose config info failed (%ld)",
2064ee33 MH	293	PTR_ERR(skb));
1c8ba6d0 MH	294	return skb;
	295	}
	296
	297	if (skb->len != 7) {
2064ee33	298	bt_dev_err(hdev, "BCM: Verbose config length mismatch");
1c8ba6d0 MH	299	kfree_skb(skb);
	300	return ERR_PTR(-EIO);
	301	}
	302
	303	return skb;
	304	}
	305
4284ecbe MH	306	static struct sk_buff btbcm_read_controller_features(struct hci_dev hdev)
	307	{
	308	struct sk_buff *skb;
	309
	310	skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT);
	311	if (IS_ERR(skb)) {
2064ee33 MH	312	bt_dev_err(hdev, "BCM: Read controller features failed (%ld)",
2064ee33 MH	313	PTR_ERR(skb));
4284ecbe MH	314	return skb;
	315	}
	316
	317	if (skb->len != 9) {
2064ee33	318	bt_dev_err(hdev, "BCM: Controller features length mismatch");
4284ecbe MH	319	kfree_skb(skb);
	320	return ERR_PTR(-EIO);
	321	}
	322
	323	return skb;
	324	}
	325
1c8ba6d0 MH	326	static struct sk_buff btbcm_read_usb_product(struct hci_dev hdev)
	327	{
	328	struct sk_buff *skb;
	329
	330	skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT);
	331	if (IS_ERR(skb)) {
2064ee33 MH	332	bt_dev_err(hdev, "BCM: Read USB product info failed (%ld)",
2064ee33 MH	333	PTR_ERR(skb));
1c8ba6d0 MH	334	return skb;
	335	}
	336
	337	if (skb->len != 5) {
2064ee33	338	bt_dev_err(hdev, "BCM: USB product length mismatch");
1c8ba6d0 MH	339	kfree_skb(skb);
	340	return ERR_PTR(-EIO);
	341	}
	342
	343	return skb;
	344	}
	345
e76dc1dd MH	346	static int btbcm_read_info(struct hci_dev *hdev)
	347	{
	348	struct sk_buff *skb;
	349
	350	/* Read Verbose Config Version Info */
	351	skb = btbcm_read_verbose_config(hdev);
	352	if (IS_ERR(skb))
	353	return PTR_ERR(skb);
	354
2064ee33	355	bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]);
e76dc1dd MH	356	kfree_skb(skb);
	357
	358	/* Read Controller Features */
	359	skb = btbcm_read_controller_features(hdev);
	360	if (IS_ERR(skb))
	361	return PTR_ERR(skb);
	362
2064ee33	363	bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
e76dc1dd MH	364	kfree_skb(skb);
e76dc1dd MH	365
2fcdd562 HG	366	return 0;
	367	}
	368
	369	static int btbcm_print_local_name(struct hci_dev *hdev)
	370	{
	371	struct sk_buff *skb;
	372
e76dc1dd MH	373	/* Read Local Name */
	374	skb = btbcm_read_local_name(hdev);
	375	if (IS_ERR(skb))
	376	return PTR_ERR(skb);
	377
2064ee33	378	bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
e76dc1dd MH	379	kfree_skb(skb);
	380
	381	return 0;
	382	}
	383
f7328381	384	struct bcm_subver_table {
1c8ba6d0 MH	385	u16 subver;
1c8ba6d0 MH	386	const char *name;
f7328381 HG	387	};
	388
	389	static const struct bcm_subver_table bcm_uart_subver_table[] = {
4a546ec3	390	{ 0x4103, "BCM4330B1" }, /* 002.001.003 */
b8dc6476	391	{ 0x410d, "BCM4334B0" }, /* 002.001.013 */
9a0bb57d	392	{ 0x410e, "BCM43341B0" }, /* 002.001.014 */
039287aa	393	{ 0x4204, "BCM2076B1" }, /* 002.002.004 */
a8f3b941	394	{ 0x4406, "BCM4324B3" }, /* 002.004.006 */
c03ee9af	395	{ 0x4606, "BCM4324B5" }, /* 002.006.006 */
a357ea09	396	{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
40db5f0e	397	{ 0x610c, "BCM4354" }, /* 003.001.012 */
d456f678	398	{ 0x2122, "BCM4343A0" }, /* 001.001.034 */
feb16722	399	{ 0x2209, "BCM43430A1" }, /* 001.002.009 */
18a39b9a	400	{ 0x6119, "BCM4345C0" }, /* 003.001.025 */
52c8c7a7	401	{ 0x6606, "BCM4345C5" }, /* 003.006.006 */
b133e0c4	402	{ 0x230f, "BCM4356A2" }, /* 001.003.015 */
92ffe0db	403	{ 0x220e, "BCM20702A1" }, /* 001.002.014 */
e3ca60d0	404	{ 0x4217, "BCM4329B1" }, /* 002.002.023 */
f4d297ee	405	{ 0x6106, "BCM4359C0" }, /* 003.001.006 */
1199ab4c	406	{ 0x4106, "BCM4335A0" }, /* 002.001.006 */
27f4d1f2	407	{ 0x410c, "BCM43430B0" }, /* 002.001.012 */
9a0bb57d MH	408	{ }
	409	};
	410
fec0de23	411	static const struct bcm_subver_table bcm_usb_subver_table[] = {
c03ee9af	412	{ 0x2105, "BCM20703A1" }, /* 001.001.005 */
fec0de23 HG	413	{ 0x210b, "BCM43142A0" }, /* 001.001.011 */
	414	{ 0x2112, "BCM4314A0" }, /* 001.001.018 */
	415	{ 0x2118, "BCM20702A0" }, /* 001.001.024 */
	416	{ 0x2126, "BCM4335A0" }, /* 001.001.038 */
	417	{ 0x220e, "BCM20702A1" }, /* 001.002.014 */
bf0ddd10	418	{ 0x230f, "BCM4356A2" }, /* 001.003.015 */
fec0de23 HG	419	{ 0x4106, "BCM4335B0" }, /* 002.001.006 */
	420	{ 0x410e, "BCM20702B0" }, /* 002.001.014 */
	421	{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
	422	{ 0x610c, "BCM4354" }, /* 003.001.012 */
bf0ddd10	423	{ 0x6607, "BCM4350C5" }, /* 003.006.007 */
fec0de23 HG	424	{ }
	425	};
	426
0287c5d8	427	int btbcm_initialize(struct hci_dev hdev, bool fw_load_done)
75e167e6	428	{
fec0de23	429	u16 subver, rev, pid, vid;
75e167e6 FD	430	struct sk_buff *skb;
75e167e6 FD	431	struct hci_rp_read_local_version *ver;
fec0de23	432	const struct bcm_subver_table *bcm_subver_table;
74530a63 HG	433	const char *hw_name = NULL;
	434	char postfix[16] = "";
	435	int fw_name_count = 0;
	436	bcm_fw_name *fw_name;
0287c5d8	437	const struct firmware *fw;
75e167e6 FD	438	int i, err;
	439
	440	/* Reset */
	441	err = btbcm_reset(hdev);
	442	if (err)
	443	return err;
	444
	445	/* Read Local Version Info */
	446	skb = btbcm_read_local_version(hdev);
	447	if (IS_ERR(skb))
	448	return PTR_ERR(skb);
	449
	450	ver = (struct hci_rp_read_local_version *)skb->data;
	451	rev = le16_to_cpu(ver->hci_rev);
	452	subver = le16_to_cpu(ver->lmp_subver);
	453	kfree_skb(skb);
	454
e76dc1dd	455	/* Read controller information */
0287c5d8	456	if (!(*fw_load_done)) {
22ac1916 HG	457	err = btbcm_read_info(hdev);
	458	if (err)
	459	return err;
	460	}
2fcdd562 HG	461	err = btbcm_print_local_name(hdev);
	462	if (err)
	463	return err;
75e167e6	464
fec0de23 HG	465	bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table :
	466	bcm_uart_subver_table;
	467
	468	for (i = 0; bcm_subver_table[i].name; i++) {
	469	if (subver == bcm_subver_table[i].subver) {
	470	hw_name = bcm_subver_table[i].name;
	471	break;
75e167e6	472	}
fec0de23	473	}
75e167e6	474
f53b975c	475	bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u",
74530a63	476	hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13,
f53b975c HG	477	(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
	478
	479	if (*fw_load_done)
	480	return 0;
	481
fec0de23 HG	482	if (hdev->bus == HCI_USB) {
	483	/* Read USB Product Info */
	484	skb = btbcm_read_usb_product(hdev);
	485	if (IS_ERR(skb))
	486	return PTR_ERR(skb);
	487
	488	vid = get_unaligned_le16(skb->data + 1);
	489	pid = get_unaligned_le16(skb->data + 3);
	490	kfree_skb(skb);
	491
74530a63	492	snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
75e167e6 FD	493	}
75e167e6 FD	494
74530a63 HG	495	fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
	496	if (!fw_name)
	497	return -ENOMEM;
	498
	499	if (hw_name) {
	500	snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
	501	"brcm/%s%s.hcd", hw_name, postfix);
	502	fw_name_count++;
0287c5d8 HG	503	}
0287c5d8 HG	504
74530a63 HG	505	snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
	506	"brcm/BCM%s.hcd", postfix);
	507	fw_name_count++;
	508
	509	for (i = 0; i < fw_name_count; i++) {
	510	err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev);
	511	if (err == 0) {
	512	bt_dev_info(hdev, "%s '%s' Patch",
	513	hw_name ? hw_name : "BCM", fw_name[i]);
	514	*fw_load_done = true;
	515	break;
	516	}
	517	}
	518
	519	if (*fw_load_done) {
	520	err = btbcm_patchram(hdev, fw);
	521	if (err)
	522	bt_dev_info(hdev, "BCM: Patch failed (%d)", err);
	523
	524	release_firmware(fw);
	525	} else {
	526	bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:");
	527	for (i = 0; i < fw_name_count; i++)
	528	bt_dev_err(hdev, "BCM: '%s'", fw_name[i]);
	529	}
0287c5d8	530
74530a63	531	kfree(fw_name);
75e167e6 FD	532	return 0;
	533	}
	534	EXPORT_SYMBOL_GPL(btbcm_initialize);
	535
0383f16a	536	int btbcm_finalize(struct hci_dev hdev, bool fw_load_done)
75e167e6	537	{
75e167e6 FD	538	int err;
75e167e6 FD	539
0383f16a HG	540	/* Re-initialize if necessary */
	541	if (*fw_load_done) {
	542	err = btbcm_initialize(hdev, fw_load_done);
	543	if (err)
	544	return err;
	545	}
75e167e6	546
75e167e6 FD	547	btbcm_check_bdaddr(hdev);
	548
	549	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
	550
	551	return 0;
	552	}
	553	EXPORT_SYMBOL_GPL(btbcm_finalize);
	554
1c8ba6d0 MH	555	int btbcm_setup_patchram(struct hci_dev *hdev)
1c8ba6d0 MH	556	{
0287c5d8	557	bool fw_load_done = false;
59ce5699	558	int err;
1c8ba6d0	559
59ce5699	560	/* Initialize */
0287c5d8	561	err = btbcm_initialize(hdev, &fw_load_done);
e76dc1dd MH	562	if (err)
e76dc1dd MH	563	return err;
9bc63ca0	564
0287c5d8	565	/* Re-initialize after loading Patch */
0383f16a	566	return btbcm_finalize(hdev, &fw_load_done);
1c8ba6d0 MH	567	}
	568	EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
	569
	570	int btbcm_setup_apple(struct hci_dev *hdev)
	571	{
	572	struct sk_buff *skb;
b224d3ff MH	573	int err;
	574
	575	/* Reset */
	576	err = btbcm_reset(hdev);
	577	if (err)
	578	return err;
1c8ba6d0 MH	579
	580	/* Read Verbose Config Version Info */
	581	skb = btbcm_read_verbose_config(hdev);
7bee8b08	582	if (!IS_ERR(skb)) {
2064ee33 MH	583	bt_dev_info(hdev, "BCM: chip id %u build %4.4u",
2064ee33 MH	584	skb->data[1], get_unaligned_le16(skb->data + 5));
7bee8b08 CM	585	kfree_skb(skb);
7bee8b08 CM	586	}
1c8ba6d0	587
34cea41e MH	588	/* Read USB Product Info */
	589	skb = btbcm_read_usb_product(hdev);
	590	if (!IS_ERR(skb)) {
2064ee33 MH	591	bt_dev_info(hdev, "BCM: product %4.4x:%4.4x",
	592	get_unaligned_le16(skb->data + 1),
	593	get_unaligned_le16(skb->data + 3));
34cea41e MH	594	kfree_skb(skb);
	595	}
	596
4284ecbe MH	597	/* Read Controller Features */
	598	skb = btbcm_read_controller_features(hdev);
	599	if (!IS_ERR(skb)) {
2064ee33	600	bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
4284ecbe MH	601	kfree_skb(skb);
	602	}
	603
9bc63ca0 MH	604	/* Read Local Name */
	605	skb = btbcm_read_local_name(hdev);
	606	if (!IS_ERR(skb)) {
2064ee33	607	bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
9bc63ca0 MH	608	kfree_skb(skb);
	609	}
	610
941521e2 MH	611	set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
941521e2 MH	612
1c8ba6d0 MH	613	return 0;
	614	}
	615	EXPORT_SYMBOL_GPL(btbcm_setup_apple);
	616
4fba30f0 MH	617	MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
	618	MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION);
	619	MODULE_VERSION(VERSION);
	620	MODULE_LICENSE("GPL");