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

/**
 * Marvell Bluetooth driver
 *
 * Copyright (C) 2009, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 **/

#include <linux/module.h>
#include <linux/of.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btmrvl_drv.h"

#define VERSION "1.0"

/*
 * This function is called by interface specific interrupt handler.
 * It updates Power Save & Host Sleep states, and wakes up the main
 * thread.
 */
void btmrvl_interrupt(struct btmrvl_private *priv)
{
	priv->adapter->ps_state = PS_AWAKE;

	priv->adapter->wakeup_tries = 0;

	priv->adapter->int_count++;

	wake_up_interruptible(&priv->main_thread.wait_q);
}
EXPORT_SYMBOL_GPL(btmrvl_interrupt);

bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
{
	struct hci_event_hdr *hdr = (void *) skb->data;

	if (hdr->evt == HCI_EV_CMD_COMPLETE) {
		struct hci_ev_cmd_complete *ec;
		u16 opcode;

		ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
		opcode = __le16_to_cpu(ec->opcode);

		if (priv->btmrvl_dev.sendcmdflag) {
			priv->btmrvl_dev.sendcmdflag = false;
			priv->adapter->cmd_complete = true;
			wake_up_interruptible(&priv->adapter->cmd_wait_q);

			if (hci_opcode_ogf(opcode) == 0x3F) {
				BT_DBG("vendor event skipped: opcode=%#4.4x",
				       opcode);
				kfree_skb(skb);
				return false;
			}
		}
	}

	return true;
}
EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt);

int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
{
	struct btmrvl_adapter *adapter = priv->adapter;
	struct btmrvl_event *event;
	int ret = 0;

	event = (struct btmrvl_event *) skb->data;
	if (event->ec != 0xff) {
		BT_DBG("Not Marvell Event=%x", event->ec);
		ret = -EINVAL;
		goto exit;
	}

	switch (event->data[0]) {
	case BT_EVENT_AUTO_SLEEP_MODE:
		if (!event->data[2]) {
			if (event->data[1] == BT_PS_ENABLE)
				adapter->psmode = 1;
			else
				adapter->psmode = 0;
			BT_DBG("PS Mode:%s",
				(adapter->psmode) ? "Enable" : "Disable");
		} else {
			BT_DBG("PS Mode command failed");
		}
		break;

	case BT_EVENT_HOST_SLEEP_CONFIG:
		if (!event->data[3])
			BT_DBG("gpio=%x, gap=%x", event->data[1],
							event->data[2]);
		else
			BT_DBG("HSCFG command failed");
		break;

	case BT_EVENT_HOST_SLEEP_ENABLE:
		if (!event->data[1]) {
			adapter->hs_state = HS_ACTIVATED;
			if (adapter->psmode)
				adapter->ps_state = PS_SLEEP;
			BT_DBG("HS ACTIVATED!");
		} else {
			BT_DBG("HS Enable failed");
		}
		break;

	case BT_EVENT_MODULE_CFG_REQ:
		if (priv->btmrvl_dev.sendcmdflag &&
				event->data[1] == MODULE_BRINGUP_REQ) {
			BT_DBG("EVENT:%s",
				((event->data[2] == MODULE_BROUGHT_UP) ||
				(event->data[2] == MODULE_ALREADY_UP)) ?
				"Bring-up succeed" : "Bring-up failed");

			if (event->length > 3 && event->data[3])
				priv->btmrvl_dev.dev_type = HCI_AMP;
			else
				priv->btmrvl_dev.dev_type = HCI_BREDR;

			BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type);
		} else if (priv->btmrvl_dev.sendcmdflag &&
				event->data[1] == MODULE_SHUTDOWN_REQ) {
			BT_DBG("EVENT:%s", (event->data[2]) ?
				"Shutdown failed" : "Shutdown succeed");
		} else {
			BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP");
			ret = -EINVAL;
		}
		break;

	case BT_EVENT_POWER_STATE:
		if (event->data[1] == BT_PS_SLEEP)
			adapter->ps_state = PS_SLEEP;
		BT_DBG("EVENT:%s",
			(adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE");
		break;

	default:
		BT_DBG("Unknown Event=%d", event->data[0]);
		ret = -EINVAL;
		break;
	}

exit:
	if (!ret)
		kfree_skb(skb);

	return ret;
}
EXPORT_SYMBOL_GPL(btmrvl_process_event);

static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode,
				const void *param, u8 len)
{
	struct sk_buff *skb;
	struct hci_command_hdr *hdr;

	skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC);
	if (skb == NULL) {
		BT_ERR("No free skb");
		return -ENOMEM;
	}

	hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE);
	hdr->opcode = cpu_to_le16(opcode);
	hdr->plen = len;

	if (len)
		memcpy(skb_put(skb, len), param, len);

	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;

	skb_queue_head(&priv->adapter->tx_queue, skb);

	priv->btmrvl_dev.sendcmdflag = true;

	priv->adapter->cmd_complete = false;

	wake_up_interruptible(&priv->main_thread.wait_q);

	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
				priv->adapter->cmd_complete,
				msecs_to_jiffies(WAIT_UNTIL_CMD_RESP)))
		return -ETIMEDOUT;

	return 0;
}

int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
{
	int ret;

	ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1);
	if (ret)
		BT_ERR("module_cfg_cmd(%x) failed\n", subcmd);

	return ret;
}
EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);

int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv)
{
	int ret;
	u8 param[2];

	param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
	param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff);

	BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x",
	       param[0], param[1]);

	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2);
	if (ret)
		BT_ERR("HSCFG command failed\n");

	return ret;
}
EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd);

int btmrvl_enable_ps(struct btmrvl_private *priv)
{
	int ret;
	u8 param;

	if (priv->btmrvl_dev.psmode)
		param = BT_PS_ENABLE;
	else
		param = BT_PS_DISABLE;

	ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, &param, 1);
	if (ret)
		BT_ERR("PSMODE command failed\n");

	return 0;
}
EXPORT_SYMBOL_GPL(btmrvl_enable_ps);

int btmrvl_enable_hs(struct btmrvl_private *priv)
{
	int ret;

	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0);
	if (ret)
		BT_ERR("Host sleep enable command failed\n");

	return ret;
}
EXPORT_SYMBOL_GPL(btmrvl_enable_hs);

int btmrvl_prepare_command(struct btmrvl_private *priv)
{
	int ret = 0;

	if (priv->btmrvl_dev.hscfgcmd) {
		priv->btmrvl_dev.hscfgcmd = 0;
		btmrvl_send_hscfg_cmd(priv);
	}

	if (priv->btmrvl_dev.pscmd) {
		priv->btmrvl_dev.pscmd = 0;
		btmrvl_enable_ps(priv);
	}

	if (priv->btmrvl_dev.hscmd) {
		priv->btmrvl_dev.hscmd = 0;

		if (priv->btmrvl_dev.hsmode) {
			ret = btmrvl_enable_hs(priv);
		} else {
			ret = priv->hw_wakeup_firmware(priv);
			priv->adapter->hs_state = HS_DEACTIVATED;
		}
	}

	return ret;
}

static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb)
{
	int ret = 0;

	if (!skb || !skb->data)
		return -EINVAL;

	if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) {
		BT_ERR("Tx Error: Bad skb length %d : %d",
						skb->len, BTM_UPLD_SIZE);
		return -EINVAL;
	}

	if (skb_headroom(skb) < BTM_HEADER_LEN) {
		struct sk_buff *tmp = skb;

		skb = skb_realloc_headroom(skb, BTM_HEADER_LEN);
		if (!skb) {
			BT_ERR("Tx Error: realloc_headroom failed %d",
				BTM_HEADER_LEN);
			skb = tmp;
			return -EINVAL;
		}

		kfree_skb(tmp);
	}

	skb_push(skb, BTM_HEADER_LEN);

	/* header type: byte[3]
	 * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor
	 * header length: byte[2][1][0]
	 */

	skb->data[0] = (skb->len & 0x0000ff);
	skb->data[1] = (skb->len & 0x00ff00) >> 8;
	skb->data[2] = (skb->len & 0xff0000) >> 16;
	skb->data[3] = bt_cb(skb)->pkt_type;

	if (priv->hw_host_to_card)
		ret = priv->hw_host_to_card(priv, skb->data, skb->len);

	return ret;
}

static void btmrvl_init_adapter(struct btmrvl_private *priv)
{
	skb_queue_head_init(&priv->adapter->tx_queue);

	priv->adapter->ps_state = PS_AWAKE;

	init_waitqueue_head(&priv->adapter->cmd_wait_q);
}

static void btmrvl_free_adapter(struct btmrvl_private *priv)
{
	skb_queue_purge(&priv->adapter->tx_queue);

	kfree(priv->adapter);

	priv->adapter = NULL;
}

static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);

	BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len);

	if (!test_bit(HCI_RUNNING, &hdev->flags)) {
		BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags);
		print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET,
							skb->data, skb->len);
		return -EBUSY;
	}

	switch (bt_cb(skb)->pkt_type) {
	case HCI_COMMAND_PKT:
		hdev->stat.cmd_tx++;
		break;

	case HCI_ACLDATA_PKT:
		hdev->stat.acl_tx++;
		break;

	case HCI_SCODATA_PKT:
		hdev->stat.sco_tx++;
		break;
	}

	skb_queue_tail(&priv->adapter->tx_queue, skb);

	wake_up_interruptible(&priv->main_thread.wait_q);

	return 0;
}

static int btmrvl_flush(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);

	skb_queue_purge(&priv->adapter->tx_queue);

	return 0;
}

static int btmrvl_close(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);

	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
		return 0;

	skb_queue_purge(&priv->adapter->tx_queue);

	return 0;
}

static int btmrvl_open(struct hci_dev *hdev)
{
	set_bit(HCI_RUNNING, &hdev->flags);

	return 0;
}

static int btmrvl_download_cal_data(struct btmrvl_private *priv,
				    u8 *data, int len)
{
	int ret;

	data[0] = 0x00;
	data[1] = 0x00;
	data[2] = 0x00;
	data[3] = len;

	print_hex_dump_bytes("Calibration data: ",
			     DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len);

	ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data,
				   BT_CAL_HDR_LEN + len);
	if (ret)
		BT_ERR("Failed to download caibration data\n");

	return 0;
}

static int btmrvl_cal_data_dt(struct btmrvl_private *priv)
{
	struct device_node *dt_node;
	u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE];
	const char name[] = "btmrvl_caldata";
	const char property[] = "btmrvl,caldata";
	int ret;

	dt_node = of_find_node_by_name(NULL, name);
	if (!dt_node)
		return -ENODEV;

	ret = of_property_read_u8_array(dt_node, property,
					cal_data + BT_CAL_HDR_LEN,
					BT_CAL_DATA_SIZE);
	if (ret)
		return ret;

	BT_DBG("Use cal data from device tree");
	ret = btmrvl_download_cal_data(priv, cal_data, BT_CAL_DATA_SIZE);
	if (ret) {
		BT_ERR("Fail to download calibrate data");
		return ret;
	}

	return 0;
}

static int btmrvl_setup(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);

	btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);

	btmrvl_cal_data_dt(priv);

	priv->btmrvl_dev.psmode = 1;
	btmrvl_enable_ps(priv);

	priv->btmrvl_dev.gpio_gap = 0xffff;
	btmrvl_send_hscfg_cmd(priv);

	return 0;
}

/*
 * This function handles the event generated by firmware, rx data
 * received from firmware, and tx data sent from kernel.
 */
static int btmrvl_service_main_thread(void *data)
{
	struct btmrvl_thread *thread = data;
	struct btmrvl_private *priv = thread->priv;
	struct btmrvl_adapter *adapter = priv->adapter;
	wait_queue_t wait;
	struct sk_buff *skb;
	ulong flags;

	init_waitqueue_entry(&wait, current);

	for (;;) {
		add_wait_queue(&thread->wait_q, &wait);

		set_current_state(TASK_INTERRUPTIBLE);
		if (kthread_should_stop()) {
			BT_DBG("main_thread: break from main thread");
			break;
		}

		if (adapter->wakeup_tries ||
				((!adapter->int_count) &&
				(!priv->btmrvl_dev.tx_dnld_rdy ||
				skb_queue_empty(&adapter->tx_queue)))) {
			BT_DBG("main_thread is sleeping...");
			schedule();
		}

		set_current_state(TASK_RUNNING);

		remove_wait_queue(&thread->wait_q, &wait);

		BT_DBG("main_thread woke up");

		spin_lock_irqsave(&priv->driver_lock, flags);
		if (adapter->int_count) {
			adapter->int_count = 0;
			spin_unlock_irqrestore(&priv->driver_lock, flags);
			priv->hw_process_int_status(priv);
		} else if (adapter->ps_state == PS_SLEEP &&
					!skb_queue_empty(&adapter->tx_queue)) {
			spin_unlock_irqrestore(&priv->driver_lock, flags);
			adapter->wakeup_tries++;
			priv->hw_wakeup_firmware(priv);
			continue;
		} else {
			spin_unlock_irqrestore(&priv->driver_lock, flags);
		}

		if (adapter->ps_state == PS_SLEEP)
			continue;

		if (!priv->btmrvl_dev.tx_dnld_rdy)
			continue;

		skb = skb_dequeue(&adapter->tx_queue);
		if (skb) {
			if (btmrvl_tx_pkt(priv, skb))
				priv->btmrvl_dev.hcidev->stat.err_tx++;
			else
				priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len;

			kfree_skb(skb);
		}
	}

	return 0;
}

int btmrvl_register_hdev(struct btmrvl_private *priv)
{
	struct hci_dev *hdev = NULL;
	int ret;

	hdev = hci_alloc_dev();
	if (!hdev) {
		BT_ERR("Can not allocate HCI device");
		goto err_hdev;
	}

	priv->btmrvl_dev.hcidev = hdev;
	hci_set_drvdata(hdev, priv);

	hdev->bus   = HCI_SDIO;
	hdev->open  = btmrvl_open;
	hdev->close = btmrvl_close;
	hdev->flush = btmrvl_flush;
	hdev->send  = btmrvl_send_frame;
	hdev->setup = btmrvl_setup;

	hdev->dev_type = priv->btmrvl_dev.dev_type;

	ret = hci_register_dev(hdev);
	if (ret < 0) {
		BT_ERR("Can not register HCI device");
		goto err_hci_register_dev;
	}

#ifdef CONFIG_DEBUG_FS
	btmrvl_debugfs_init(hdev);
#endif

	return 0;

err_hci_register_dev:
	hci_free_dev(hdev);

err_hdev:
	/* Stop the thread servicing the interrupts */
	kthread_stop(priv->main_thread.task);

	btmrvl_free_adapter(priv);
	kfree(priv);

	return -ENOMEM;
}
EXPORT_SYMBOL_GPL(btmrvl_register_hdev);

struct btmrvl_private *btmrvl_add_card(void *card)
{
	struct btmrvl_private *priv;

	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	if (!priv) {
		BT_ERR("Can not allocate priv");
		goto err_priv;
	}

	priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL);
	if (!priv->adapter) {
		BT_ERR("Allocate buffer for btmrvl_adapter failed!");
		goto err_adapter;
	}

	btmrvl_init_adapter(priv);

	BT_DBG("Starting kthread...");
	priv->main_thread.priv = priv;
	spin_lock_init(&priv->driver_lock);

	init_waitqueue_head(&priv->main_thread.wait_q);
	priv->main_thread.task = kthread_run(btmrvl_service_main_thread,
				&priv->main_thread, "btmrvl_main_service");

	priv->btmrvl_dev.card = card;
	priv->btmrvl_dev.tx_dnld_rdy = true;

	return priv;

err_adapter:
	kfree(priv);

err_priv:
	return NULL;
}
EXPORT_SYMBOL_GPL(btmrvl_add_card);

int btmrvl_remove_card(struct btmrvl_private *priv)
{
	struct hci_dev *hdev;

	hdev = priv->btmrvl_dev.hcidev;

	wake_up_interruptible(&priv->adapter->cmd_wait_q);

	kthread_stop(priv->main_thread.task);

#ifdef CONFIG_DEBUG_FS
	btmrvl_debugfs_remove(hdev);
#endif

	hci_unregister_dev(hdev);

	hci_free_dev(hdev);

	priv->btmrvl_dev.hcidev = NULL;

	btmrvl_free_adapter(priv);

	kfree(priv);

	return 0;
}
EXPORT_SYMBOL_GPL(btmrvl_remove_card);

MODULE_AUTHOR("Marvell International Ltd.");
MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL v2");
Commit	Line	Data
132ff4e5 BZ	1	/**
	2	* Marvell Bluetooth driver
	3	*
	4	* Copyright (C) 2009, Marvell International Ltd.
	5	*
	6	* This software file (the "File") is distributed by Marvell International
	7	* Ltd. under the terms of the GNU General Public License Version 2, June 1991
	8	* (the "License"). You may use, redistribute and/or modify this File in
	9	* accordance with the terms and conditions of the License, a copy of which
	10	* is available by writing to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
	12	* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
	13	*
	14	*
	15	* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
	16	* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
	17	* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
	18	* this warranty disclaimer.
	19	**/
	20
a59b968e	21	#include <linux/module.h>
433a9389	22	#include <linux/of.h>
132ff4e5 BZ	23	#include <net/bluetooth/bluetooth.h>
	24	#include <net/bluetooth/hci_core.h>
	25
	26	#include "btmrvl_drv.h"
	27
	28	#define VERSION "1.0"
	29
	30	/*
	31	* This function is called by interface specific interrupt handler.
	32	* It updates Power Save & Host Sleep states, and wakes up the main
	33	* thread.
	34	*/
	35	void btmrvl_interrupt(struct btmrvl_private *priv)
	36	{
132ff4e5 BZ	37	priv->adapter->ps_state = PS_AWAKE;
	38
	39	priv->adapter->wakeup_tries = 0;
	40
	41	priv->adapter->int_count++;
	42
	43	wake_up_interruptible(&priv->main_thread.wait_q);
132ff4e5 BZ	44	}
	45	EXPORT_SYMBOL_GPL(btmrvl_interrupt);
	46
ea1e76a3	47	bool btmrvl_check_evtpkt(struct btmrvl_private priv, struct sk_buff skb)
132ff4e5	48	{
4271e08d	49	struct hci_event_hdr hdr = (void ) skb->data;
132ff4e5	50
132ff4e5	51	if (hdr->evt == HCI_EV_CMD_COMPLETE) {
2c2453f3	52	struct hci_ev_cmd_complete *ec;
3e4543ab	53	u16 opcode;
2c2453f3	54
4271e08d	55	ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
132ff4e5	56	opcode = __le16_to_cpu(ec->opcode);
ea1e76a3	57
c037874c	58	if (priv->btmrvl_dev.sendcmdflag) {
132ff4e5 BZ	59	priv->btmrvl_dev.sendcmdflag = false;
	60	priv->adapter->cmd_complete = true;
	61	wake_up_interruptible(&priv->adapter->cmd_wait_q);
ea1e76a3	62
d986b4a6 AK	63	if (hci_opcode_ogf(opcode) == 0x3F) {
	64	BT_DBG("vendor event skipped: opcode=%#4.4x",
	65	opcode);
	66	kfree_skb(skb);
	67	return false;
	68	}
ea1e76a3	69	}
132ff4e5	70	}
ea1e76a3 AE	71
ea1e76a3 AE	72	return true;
132ff4e5 BZ	73	}
	74	EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt);
	75
	76	int btmrvl_process_event(struct btmrvl_private priv, struct sk_buff skb)
	77	{
	78	struct btmrvl_adapter *adapter = priv->adapter;
132ff4e5	79	struct btmrvl_event *event;
31f085fe	80	int ret = 0;
132ff4e5	81
132ff4e5 BZ	82	event = (struct btmrvl_event *) skb->data;
	83	if (event->ec != 0xff) {
	84	BT_DBG("Not Marvell Event=%x", event->ec);
	85	ret = -EINVAL;
	86	goto exit;
	87	}
	88
	89	switch (event->data[0]) {
3e4543ab	90	case BT_EVENT_AUTO_SLEEP_MODE:
132ff4e5 BZ	91	if (!event->data[2]) {
	92	if (event->data[1] == BT_PS_ENABLE)
	93	adapter->psmode = 1;
	94	else
	95	adapter->psmode = 0;
	96	BT_DBG("PS Mode:%s",
	97	(adapter->psmode) ? "Enable" : "Disable");
	98	} else {
	99	BT_DBG("PS Mode command failed");
	100	}
	101	break;
	102
3e4543ab	103	case BT_EVENT_HOST_SLEEP_CONFIG:
132ff4e5 BZ	104	if (!event->data[3])
132ff4e5 BZ	105	BT_DBG("gpio=%x, gap=%x", event->data[1],
4271e08d	106	event->data[2]);
132ff4e5 BZ	107	else
	108	BT_DBG("HSCFG command failed");
	109	break;
	110
3e4543ab	111	case BT_EVENT_HOST_SLEEP_ENABLE:
132ff4e5 BZ	112	if (!event->data[1]) {
	113	adapter->hs_state = HS_ACTIVATED;
	114	if (adapter->psmode)
	115	adapter->ps_state = PS_SLEEP;
132ff4e5 BZ	116	BT_DBG("HS ACTIVATED!");
	117	} else {
	118	BT_DBG("HS Enable failed");
	119	}
	120	break;
	121
3e4543ab	122	case BT_EVENT_MODULE_CFG_REQ:
4271e08d MH	123	if (priv->btmrvl_dev.sendcmdflag &&
4271e08d MH	124	event->data[1] == MODULE_BRINGUP_REQ) {
903c8437 BZ	125	BT_DBG("EVENT:%s",
	126	((event->data[2] == MODULE_BROUGHT_UP) \|\|
	127	(event->data[2] == MODULE_ALREADY_UP)) ?
	128	"Bring-up succeed" : "Bring-up failed");
f120c6b6	129
8f1e1742 DV	130	if (event->length > 3 && event->data[3])
8f1e1742 DV	131	priv->btmrvl_dev.dev_type = HCI_AMP;
f120c6b6 BZ	132	else
	133	priv->btmrvl_dev.dev_type = HCI_BREDR;
	134
	135	BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type);
4271e08d MH	136	} else if (priv->btmrvl_dev.sendcmdflag &&
4271e08d MH	137	event->data[1] == MODULE_SHUTDOWN_REQ) {
132ff4e5 BZ	138	BT_DBG("EVENT:%s", (event->data[2]) ?
	139	"Shutdown failed" : "Shutdown succeed");
	140	} else {
	141	BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP");
	142	ret = -EINVAL;
	143	}
	144	break;
	145
	146	case BT_EVENT_POWER_STATE:
	147	if (event->data[1] == BT_PS_SLEEP)
	148	adapter->ps_state = PS_SLEEP;
	149	BT_DBG("EVENT:%s",
	150	(adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE");
	151	break;
	152
	153	default:
	154	BT_DBG("Unknown Event=%d", event->data[0]);
	155	ret = -EINVAL;
	156	break;
	157	}
	158
	159	exit:
	160	if (!ret)
	161	kfree_skb(skb);
	162
132ff4e5 BZ	163	return ret;
	164	}
	165	EXPORT_SYMBOL_GPL(btmrvl_process_event);
	166
3e4543ab	167	static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode,
c037874c	168	const void *param, u8 len)
132ff4e5	169	{
4271e08d	170	struct sk_buff *skb;
7d5b400c	171	struct hci_command_hdr *hdr;
132ff4e5	172
7d5b400c	173	skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC);
132ff4e5 BZ	174	if (skb == NULL) {
132ff4e5 BZ	175	BT_ERR("No free skb");
9374253f	176	return -ENOMEM;
132ff4e5 BZ	177	}
132ff4e5 BZ	178
7d5b400c	179	hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE);
3e4543ab	180	hdr->opcode = cpu_to_le16(opcode);
7d5b400c	181	hdr->plen = len;
c037874c AK	182
c037874c AK	183	if (len)
7d5b400c	184	memcpy(skb_put(skb, len), param, len);
132ff4e5 BZ	185
	186	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
	187
132ff4e5 BZ	188	skb_queue_head(&priv->adapter->tx_queue, skb);
	189
	190	priv->btmrvl_dev.sendcmdflag = true;
	191
	192	priv->adapter->cmd_complete = false;
	193
132ff4e5 BZ	194	wake_up_interruptible(&priv->main_thread.wait_q);
132ff4e5 BZ	195
4271e08d MH	196	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
4271e08d MH	197	priv->adapter->cmd_complete,
c037874c AK	198	msecs_to_jiffies(WAIT_UNTIL_CMD_RESP)))
	199	return -ETIMEDOUT;
	200
	201	return 0;
	202	}
132ff4e5	203
c037874c AK	204	int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
	205	{
	206	int ret;
	207
	208	ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1);
	209	if (ret)
	210	BT_ERR("module_cfg_cmd(%x) failed\n", subcmd);
132ff4e5	211
132ff4e5 BZ	212	return ret;
	213	}
	214	EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
	215
2a8ff611 AK	216	int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv)
2a8ff611 AK	217	{
c037874c AK	218	int ret;
c037874c AK	219	u8 param[2];
2a8ff611	220
c037874c AK	221	param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
c037874c AK	222	param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff);
2a8ff611	223
c037874c AK	224	BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x",
c037874c AK	225	param[0], param[1]);
2a8ff611	226
c037874c AK	227	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2);
	228	if (ret)
	229	BT_ERR("HSCFG command failed\n");
2a8ff611	230
c037874c	231	return ret;
2a8ff611 AK	232	}
	233	EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd);
	234
32fd6398 AK	235	int btmrvl_enable_ps(struct btmrvl_private *priv)
32fd6398 AK	236	{
c037874c AK	237	int ret;
c037874c AK	238	u8 param;
32fd6398 AK	239
32fd6398 AK	240	if (priv->btmrvl_dev.psmode)
c037874c	241	param = BT_PS_ENABLE;
32fd6398	242	else
c037874c	243	param = BT_PS_DISABLE;
32fd6398	244
c037874c AK	245	ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, &param, 1);
	246	if (ret)
	247	BT_ERR("PSMODE command failed\n");
32fd6398 AK	248
	249	return 0;
	250	}
	251	EXPORT_SYMBOL_GPL(btmrvl_enable_ps);
	252
ba54a16f	253	int btmrvl_enable_hs(struct btmrvl_private *priv)
132ff4e5	254	{
c037874c	255	int ret;
132ff4e5	256
c037874c AK	257	ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0);
	258	if (ret)
	259	BT_ERR("Host sleep enable command failed\n");
132ff4e5	260
132ff4e5 BZ	261	return ret;
132ff4e5 BZ	262	}
ba54a16f	263	EXPORT_SYMBOL_GPL(btmrvl_enable_hs);
132ff4e5 BZ	264
	265	int btmrvl_prepare_command(struct btmrvl_private *priv)
	266	{
9374253f	267	int ret = 0;
132ff4e5 BZ	268
	269	if (priv->btmrvl_dev.hscfgcmd) {
	270	priv->btmrvl_dev.hscfgcmd = 0;
2a8ff611	271	btmrvl_send_hscfg_cmd(priv);
132ff4e5 BZ	272	}
	273
	274	if (priv->btmrvl_dev.pscmd) {
	275	priv->btmrvl_dev.pscmd = 0;
32fd6398	276	btmrvl_enable_ps(priv);
132ff4e5 BZ	277	}
	278
	279	if (priv->btmrvl_dev.hscmd) {
	280	priv->btmrvl_dev.hscmd = 0;
	281
	282	if (priv->btmrvl_dev.hsmode) {
	283	ret = btmrvl_enable_hs(priv);
	284	} else {
	285	ret = priv->hw_wakeup_firmware(priv);
	286	priv->adapter->hs_state = HS_DEACTIVATED;
	287	}
	288	}
	289
132ff4e5 BZ	290	return ret;
	291	}
	292
	293	static int btmrvl_tx_pkt(struct btmrvl_private priv, struct sk_buff skb)
	294	{
9374253f	295	int ret = 0;
132ff4e5	296
9374253f	297	if (!skb \|\| !skb->data)
132ff4e5	298	return -EINVAL;
132ff4e5 BZ	299
	300	if (!skb->len \|\| ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) {
	301	BT_ERR("Tx Error: Bad skb length %d : %d",
4271e08d	302	skb->len, BTM_UPLD_SIZE);
132ff4e5 BZ	303	return -EINVAL;
	304	}
	305
	306	if (skb_headroom(skb) < BTM_HEADER_LEN) {
	307	struct sk_buff *tmp = skb;
	308
	309	skb = skb_realloc_headroom(skb, BTM_HEADER_LEN);
	310	if (!skb) {
	311	BT_ERR("Tx Error: realloc_headroom failed %d",
	312	BTM_HEADER_LEN);
	313	skb = tmp;
132ff4e5 BZ	314	return -EINVAL;
	315	}
	316
	317	kfree_skb(tmp);
	318	}
	319
	320	skb_push(skb, BTM_HEADER_LEN);
	321
	322	/* header type: byte[3]
	323	* HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor
	324	* header length: byte[2][1][0]
	325	*/
	326
	327	skb->data[0] = (skb->len & 0x0000ff);
	328	skb->data[1] = (skb->len & 0x00ff00) >> 8;
	329	skb->data[2] = (skb->len & 0xff0000) >> 16;
	330	skb->data[3] = bt_cb(skb)->pkt_type;
	331
	332	if (priv->hw_host_to_card)
	333	ret = priv->hw_host_to_card(priv, skb->data, skb->len);
	334
132ff4e5 BZ	335	return ret;
	336	}
	337
	338	static void btmrvl_init_adapter(struct btmrvl_private *priv)
	339	{
132ff4e5 BZ	340	skb_queue_head_init(&priv->adapter->tx_queue);
	341
	342	priv->adapter->ps_state = PS_AWAKE;
	343
	344	init_waitqueue_head(&priv->adapter->cmd_wait_q);
132ff4e5 BZ	345	}
	346
	347	static void btmrvl_free_adapter(struct btmrvl_private *priv)
	348	{
132ff4e5 BZ	349	skb_queue_purge(&priv->adapter->tx_queue);
	350
	351	kfree(priv->adapter);
	352
	353	priv->adapter = NULL;
132ff4e5 BZ	354	}
132ff4e5 BZ	355
7bd8f09f	356	static int btmrvl_send_frame(struct hci_dev hdev, struct sk_buff skb)
132ff4e5	357	{
7648d28f	358	struct btmrvl_private *priv = hci_get_drvdata(hdev);
132ff4e5	359
9374253f	360	BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len);
132ff4e5	361
132ff4e5 BZ	362	if (!test_bit(HCI_RUNNING, &hdev->flags)) {
	363	BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags);
	364	print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET,
4271e08d	365	skb->data, skb->len);
132ff4e5 BZ	366	return -EBUSY;
	367	}
	368
	369	switch (bt_cb(skb)->pkt_type) {
	370	case HCI_COMMAND_PKT:
	371	hdev->stat.cmd_tx++;
	372	break;
	373
	374	case HCI_ACLDATA_PKT:
	375	hdev->stat.acl_tx++;
	376	break;
	377
	378	case HCI_SCODATA_PKT:
	379	hdev->stat.sco_tx++;
	380	break;
	381	}
	382
	383	skb_queue_tail(&priv->adapter->tx_queue, skb);
	384
	385	wake_up_interruptible(&priv->main_thread.wait_q);
	386
132ff4e5 BZ	387	return 0;
	388	}
	389
	390	static int btmrvl_flush(struct hci_dev *hdev)
	391	{
155961e8	392	struct btmrvl_private *priv = hci_get_drvdata(hdev);
132ff4e5	393
132ff4e5 BZ	394	skb_queue_purge(&priv->adapter->tx_queue);
132ff4e5 BZ	395
132ff4e5 BZ	396	return 0;
	397	}
	398
	399	static int btmrvl_close(struct hci_dev *hdev)
	400	{
155961e8	401	struct btmrvl_private *priv = hci_get_drvdata(hdev);
132ff4e5	402
9374253f	403	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
132ff4e5	404	return 0;
132ff4e5 BZ	405
	406	skb_queue_purge(&priv->adapter->tx_queue);
	407
132ff4e5 BZ	408	return 0;
	409	}
	410
	411	static int btmrvl_open(struct hci_dev *hdev)
	412	{
132ff4e5 BZ	413	set_bit(HCI_RUNNING, &hdev->flags);
132ff4e5 BZ	414
132ff4e5 BZ	415	return 0;
	416	}
	417
433a9389	418	static int btmrvl_download_cal_data(struct btmrvl_private *priv,
8a4934f1	419	u8 *data, int len)
2cc86890	420	{
8a4934f1	421	int ret;
2cc86890 AK	422
	423	data[0] = 0x00;
	424	data[1] = 0x00;
	425	data[2] = 0x00;
8a4934f1	426	data[3] = len;
2cc86890 AK	427
2cc86890 AK	428	print_hex_dump_bytes("Calibration data: ",
8a4934f1	429	DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len);
2cc86890 AK	430
2cc86890 AK	431	ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data,
8a4934f1	432	BT_CAL_HDR_LEN + len);
2cc86890 AK	433	if (ret)
	434	BT_ERR("Failed to download caibration data\n");
	435
	436	return 0;
	437	}
	438
433a9389	439	static int btmrvl_cal_data_dt(struct btmrvl_private *priv)
2cc86890	440	{
433a9389	441	struct device_node *dt_node;
8a4934f1	442	u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE];
433a9389 BZ	443	const char name[] = "btmrvl_caldata";
433a9389 BZ	444	const char property[] = "btmrvl,caldata";
2cc86890 AK	445	int ret;
2cc86890 AK	446
433a9389 BZ	447	dt_node = of_find_node_by_name(NULL, name);
	448	if (!dt_node)
	449	return -ENODEV;
	450
8a4934f1 BZ	451	ret = of_property_read_u8_array(dt_node, property,
	452	cal_data + BT_CAL_HDR_LEN,
	453	BT_CAL_DATA_SIZE);
2cc86890 AK	454	if (ret)
	455	return ret;
	456
433a9389	457	BT_DBG("Use cal data from device tree");
8a4934f1	458	ret = btmrvl_download_cal_data(priv, cal_data, BT_CAL_DATA_SIZE);
2cc86890	459	if (ret) {
433a9389	460	BT_ERR("Fail to download calibrate data");
2cc86890 AK	461	return ret;
	462	}
	463
	464	return 0;
	465	}
	466
4b245722 AK	467	static int btmrvl_setup(struct hci_dev *hdev)
	468	{
	469	struct btmrvl_private *priv = hci_get_drvdata(hdev);
	470
	471	btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
	472
433a9389	473	btmrvl_cal_data_dt(priv);
2cc86890	474
4b245722 AK	475	priv->btmrvl_dev.psmode = 1;
	476	btmrvl_enable_ps(priv);
	477
	478	priv->btmrvl_dev.gpio_gap = 0xffff;
	479	btmrvl_send_hscfg_cmd(priv);
	480
	481	return 0;
	482	}
	483
132ff4e5 BZ	484	/*
	485	* This function handles the event generated by firmware, rx data
	486	* received from firmware, and tx data sent from kernel.
	487	*/
	488	static int btmrvl_service_main_thread(void *data)
	489	{
	490	struct btmrvl_thread *thread = data;
	491	struct btmrvl_private *priv = thread->priv;
	492	struct btmrvl_adapter *adapter = priv->adapter;
	493	wait_queue_t wait;
	494	struct sk_buff *skb;
	495	ulong flags;
	496
132ff4e5 BZ	497	init_waitqueue_entry(&wait, current);
132ff4e5 BZ	498
132ff4e5 BZ	499	for (;;) {
	500	add_wait_queue(&thread->wait_q, &wait);
	501
	502	set_current_state(TASK_INTERRUPTIBLE);
ea05fea9 DD	503	if (kthread_should_stop()) {
	504	BT_DBG("main_thread: break from main thread");
	505	break;
	506	}
132ff4e5 BZ	507
132ff4e5 BZ	508	if (adapter->wakeup_tries \|\|
4271e08d MH	509	((!adapter->int_count) &&
	510	(!priv->btmrvl_dev.tx_dnld_rdy \|\|
	511	skb_queue_empty(&adapter->tx_queue)))) {
132ff4e5 BZ	512	BT_DBG("main_thread is sleeping...");
	513	schedule();
	514	}
	515
	516	set_current_state(TASK_RUNNING);
	517
	518	remove_wait_queue(&thread->wait_q, &wait);
	519
	520	BT_DBG("main_thread woke up");
	521
132ff4e5 BZ	522	spin_lock_irqsave(&priv->driver_lock, flags);
	523	if (adapter->int_count) {
	524	adapter->int_count = 0;
d1d10d78 AK	525	spin_unlock_irqrestore(&priv->driver_lock, flags);
d1d10d78 AK	526	priv->hw_process_int_status(priv);
4271e08d MH	527	} else if (adapter->ps_state == PS_SLEEP &&
4271e08d MH	528	!skb_queue_empty(&adapter->tx_queue)) {
132ff4e5 BZ	529	spin_unlock_irqrestore(&priv->driver_lock, flags);
	530	adapter->wakeup_tries++;
	531	priv->hw_wakeup_firmware(priv);
	532	continue;
d1d10d78 AK	533	} else {
d1d10d78 AK	534	spin_unlock_irqrestore(&priv->driver_lock, flags);
132ff4e5	535	}
132ff4e5 BZ	536
	537	if (adapter->ps_state == PS_SLEEP)
	538	continue;
	539
	540	if (!priv->btmrvl_dev.tx_dnld_rdy)
	541	continue;
	542
	543	skb = skb_dequeue(&adapter->tx_queue);
	544	if (skb) {
	545	if (btmrvl_tx_pkt(priv, skb))
	546	priv->btmrvl_dev.hcidev->stat.err_tx++;
	547	else
4271e08d	548	priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len;
132ff4e5 BZ	549
	550	kfree_skb(skb);
	551	}
	552	}
	553
132ff4e5 BZ	554	return 0;
	555	}
	556
64061607	557	int btmrvl_register_hdev(struct btmrvl_private *priv)
132ff4e5 BZ	558	{
132ff4e5 BZ	559	struct hci_dev *hdev = NULL;
132ff4e5 BZ	560	int ret;
132ff4e5 BZ	561
132ff4e5 BZ	562	hdev = hci_alloc_dev();
	563	if (!hdev) {
	564	BT_ERR("Can not allocate HCI device");
	565	goto err_hdev;
	566	}
	567
132ff4e5	568	priv->btmrvl_dev.hcidev = hdev;
155961e8	569	hci_set_drvdata(hdev, priv);
132ff4e5	570
e93ac9c0 MH	571	hdev->bus = HCI_SDIO;
e93ac9c0 MH	572	hdev->open = btmrvl_open;
132ff4e5 BZ	573	hdev->close = btmrvl_close;
132ff4e5 BZ	574	hdev->flush = btmrvl_flush;
e93ac9c0	575	hdev->send = btmrvl_send_frame;
4b245722	576	hdev->setup = btmrvl_setup;
64061607	577
f120c6b6 BZ	578	hdev->dev_type = priv->btmrvl_dev.dev_type;
f120c6b6 BZ	579
132ff4e5 BZ	580	ret = hci_register_dev(hdev);
	581	if (ret < 0) {
	582	BT_ERR("Can not register HCI device");
	583	goto err_hci_register_dev;
	584	}
	585
fb784f05 BZ	586	#ifdef CONFIG_DEBUG_FS
	587	btmrvl_debugfs_init(hdev);
	588	#endif
	589
64061607	590	return 0;
132ff4e5 BZ	591
132ff4e5 BZ	592	err_hci_register_dev:
132ff4e5 BZ	593	hci_free_dev(hdev);
	594
	595	err_hdev:
64061607 BZ	596	/* Stop the thread servicing the interrupts */
	597	kthread_stop(priv->main_thread.task);
	598
132ff4e5	599	btmrvl_free_adapter(priv);
64061607 BZ	600	kfree(priv);
	601
	602	return -ENOMEM;
	603	}
	604	EXPORT_SYMBOL_GPL(btmrvl_register_hdev);
	605
	606	struct btmrvl_private btmrvl_add_card(void card)
	607	{
	608	struct btmrvl_private *priv;
	609
	610	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	611	if (!priv) {
	612	BT_ERR("Can not allocate priv");
	613	goto err_priv;
	614	}
	615
	616	priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL);
	617	if (!priv->adapter) {
	618	BT_ERR("Allocate buffer for btmrvl_adapter failed!");
	619	goto err_adapter;
	620	}
	621
	622	btmrvl_init_adapter(priv);
	623
	624	BT_DBG("Starting kthread...");
	625	priv->main_thread.priv = priv;
	626	spin_lock_init(&priv->driver_lock);
	627
	628	init_waitqueue_head(&priv->main_thread.wait_q);
	629	priv->main_thread.task = kthread_run(btmrvl_service_main_thread,
	630	&priv->main_thread, "btmrvl_main_service");
	631
	632	priv->btmrvl_dev.card = card;
	633	priv->btmrvl_dev.tx_dnld_rdy = true;
	634
	635	return priv;
132ff4e5 BZ	636
	637	err_adapter:
	638	kfree(priv);
	639
	640	err_priv:
132ff4e5 BZ	641	return NULL;
	642	}
	643	EXPORT_SYMBOL_GPL(btmrvl_add_card);
	644
	645	int btmrvl_remove_card(struct btmrvl_private *priv)
	646	{
	647	struct hci_dev *hdev;
	648
132ff4e5 BZ	649	hdev = priv->btmrvl_dev.hcidev;
	650
	651	wake_up_interruptible(&priv->adapter->cmd_wait_q);
	652
	653	kthread_stop(priv->main_thread.task);
	654
fb784f05 BZ	655	#ifdef CONFIG_DEBUG_FS
	656	btmrvl_debugfs_remove(hdev);
	657	#endif
	658
132ff4e5 BZ	659	hci_unregister_dev(hdev);
	660
	661	hci_free_dev(hdev);
	662
	663	priv->btmrvl_dev.hcidev = NULL;
	664
	665	btmrvl_free_adapter(priv);
	666
	667	kfree(priv);
	668
132ff4e5 BZ	669	return 0;
	670	}
	671	EXPORT_SYMBOL_GPL(btmrvl_remove_card);
	672
	673	MODULE_AUTHOR("Marvell International Ltd.");
9666fb35	674	MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION);
132ff4e5 BZ	675	MODULE_VERSION(VERSION);
132ff4e5 BZ	676	MODULE_LICENSE("GPL v2");