[net-next-2.6.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 <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);

void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
{
	struct hci_event_hdr *hdr = (void *) skb->data;
	struct hci_ev_cmd_complete *ec;
	u16 opcode, ocf;

	if (hdr->evt == HCI_EV_CMD_COMPLETE) {
		ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
		opcode = __le16_to_cpu(ec->opcode);
		ocf = hci_opcode_ocf(opcode);
		if (ocf == BT_CMD_MODULE_CFG_REQ &&
					priv->btmrvl_dev.sendcmdflag) {
			priv->btmrvl_dev.sendcmdflag = false;
			priv->adapter->cmd_complete = true;
			wake_up_interruptible(&priv->adapter->cmd_wait_q);
		}
	}
}
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_CMD_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_CMD_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_CMD_HOST_SLEEP_ENABLE:
		if (!event->data[1]) {
			adapter->hs_state = HS_ACTIVATED;
			if (adapter->psmode)
				adapter->ps_state = PS_SLEEP;
			wake_up_interruptible(&adapter->cmd_wait_q);
			BT_DBG("HS ACTIVATED!");
		} else {
			BT_DBG("HS Enable failed");
		}
		break;

	case BT_CMD_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);

int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
{
	struct sk_buff *skb;
	struct btmrvl_cmd *cmd;
	int ret = 0;

	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	if (skb == NULL) {
		BT_ERR("No free skb");
		return -ENOMEM;
	}

	cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_MODULE_CFG_REQ));
	cmd->length = 1;
	cmd->data[0] = subcmd;

	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;

	skb->dev = (void *) priv->btmrvl_dev.hcidev;
	skb_queue_head(&priv->adapter->tx_queue, skb);

	priv->btmrvl_dev.sendcmdflag = true;

	priv->adapter->cmd_complete = false;

	BT_DBG("Queue module cfg Command");

	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))) {
		ret = -ETIMEDOUT;
		BT_ERR("module_cfg_cmd(%x): timeout: %d",
					subcmd, priv->btmrvl_dev.sendcmdflag);
	}

	BT_DBG("module cfg Command done");

	return ret;
}
EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);

int btmrvl_enable_ps(struct btmrvl_private *priv)
{
	struct sk_buff *skb;
	struct btmrvl_cmd *cmd;

	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	if (skb == NULL) {
		BT_ERR("No free skb");
		return -ENOMEM;
	}

	cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF,
					BT_CMD_AUTO_SLEEP_MODE));
	cmd->length = 1;

	if (priv->btmrvl_dev.psmode)
		cmd->data[0] = BT_PS_ENABLE;
	else
		cmd->data[0] = BT_PS_DISABLE;

	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;

	skb->dev = (void *) priv->btmrvl_dev.hcidev;
	skb_queue_head(&priv->adapter->tx_queue, skb);

	BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);

	return 0;
}
EXPORT_SYMBOL_GPL(btmrvl_enable_ps);

static int btmrvl_enable_hs(struct btmrvl_private *priv)
{
	struct sk_buff *skb;
	struct btmrvl_cmd *cmd;
	int ret = 0;

	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	if (skb == NULL) {
		BT_ERR("No free skb");
		return -ENOMEM;
	}

	cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_HOST_SLEEP_ENABLE));
	cmd->length = 0;

	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;

	skb->dev = (void *) priv->btmrvl_dev.hcidev;
	skb_queue_head(&priv->adapter->tx_queue, skb);

	BT_DBG("Queue hs enable Command");

	wake_up_interruptible(&priv->main_thread.wait_q);

	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
			priv->adapter->hs_state,
			msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED))) {
		ret = -ETIMEDOUT;
		BT_ERR("timeout: %d, %d,%d", priv->adapter->hs_state,
						priv->adapter->ps_state,
						priv->adapter->wakeup_tries);
	}

	return ret;
}

int btmrvl_prepare_command(struct btmrvl_private *priv)
{
	struct sk_buff *skb = NULL;
	struct btmrvl_cmd *cmd;
	int ret = 0;

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

		skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
		if (skb == NULL) {
			BT_ERR("No free skb");
			return -ENOMEM;
		}

		cmd = (struct btmrvl_cmd *) skb_put(skb, sizeof(*cmd));
		cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_HOST_SLEEP_CONFIG));
		cmd->length = 2;
		cmd->data[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
		cmd->data[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff);

		bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;

		skb->dev = (void *) priv->btmrvl_dev.hcidev;
		skb_queue_head(&priv->adapter->tx_queue, skb);

		BT_DBG("Queue HSCFG Command, gpio=0x%x, gap=0x%x",
						cmd->data[0], cmd->data[1]);
	}

	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_ioctl(struct hci_dev *hdev,
				unsigned int cmd, unsigned long arg)
{
	return -ENOIOCTLCMD;
}

static void btmrvl_destruct(struct hci_dev *hdev)
{
}

static int btmrvl_send_frame(struct sk_buff *skb)
{
	struct hci_dev *hdev = (struct hci_dev *) skb->dev;
	struct btmrvl_private *priv = NULL;

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

	if (!hdev || !hdev->driver_data) {
		BT_ERR("Frame for unknown HCI device");
		return -ENODEV;
	}

	priv = (struct btmrvl_private *) hdev->driver_data;
	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 = hdev->driver_data;

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

	return 0;
}

static int btmrvl_close(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hdev->driver_data;

	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;
}

/*
 * 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);

	current->flags |= PF_NOFREEZE;

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

		set_current_state(TASK_INTERRUPTIBLE);

		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");

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

		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;
	hdev->driver_data = priv;

	hdev->bus = HCI_SDIO;
	hdev->open = btmrvl_open;
	hdev->close = btmrvl_close;
	hdev->flush = btmrvl_flush;
	hdev->send = btmrvl_send_frame;
	hdev->destruct = btmrvl_destruct;
	hdev->ioctl = btmrvl_ioctl;
	hdev->owner = THIS_MODULE;

	btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);

	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
	21	#include <net/bluetooth/bluetooth.h>
	22	#include <net/bluetooth/hci_core.h>
	23
	24	#include "btmrvl_drv.h"
	25
	26	#define VERSION "1.0"
	27
	28	/*
	29	* This function is called by interface specific interrupt handler.
	30	* It updates Power Save & Host Sleep states, and wakes up the main
	31	* thread.
	32	*/
	33	void btmrvl_interrupt(struct btmrvl_private *priv)
	34	{
132ff4e5 BZ	35	priv->adapter->ps_state = PS_AWAKE;
	36
	37	priv->adapter->wakeup_tries = 0;
	38
	39	priv->adapter->int_count++;
	40
	41	wake_up_interruptible(&priv->main_thread.wait_q);
132ff4e5 BZ	42	}
	43	EXPORT_SYMBOL_GPL(btmrvl_interrupt);
	44
	45	void btmrvl_check_evtpkt(struct btmrvl_private priv, struct sk_buff skb)
	46	{
4271e08d	47	struct hci_event_hdr hdr = (void ) skb->data;
132ff4e5 BZ	48	struct hci_ev_cmd_complete *ec;
	49	u16 opcode, ocf;
	50
132ff4e5	51	if (hdr->evt == HCI_EV_CMD_COMPLETE) {
4271e08d	52	ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
132ff4e5 BZ	53	opcode = __le16_to_cpu(ec->opcode);
132ff4e5 BZ	54	ocf = hci_opcode_ocf(opcode);
4271e08d MH	55	if (ocf == BT_CMD_MODULE_CFG_REQ &&
4271e08d MH	56	priv->btmrvl_dev.sendcmdflag) {
132ff4e5 BZ	57	priv->btmrvl_dev.sendcmdflag = false;
	58	priv->adapter->cmd_complete = true;
	59	wake_up_interruptible(&priv->adapter->cmd_wait_q);
	60	}
	61	}
132ff4e5 BZ	62	}
	63	EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt);
	64
	65	int btmrvl_process_event(struct btmrvl_private priv, struct sk_buff skb)
	66	{
	67	struct btmrvl_adapter *adapter = priv->adapter;
132ff4e5	68	struct btmrvl_event *event;
31f085fe	69	int ret = 0;
132ff4e5	70
132ff4e5 BZ	71	event = (struct btmrvl_event *) skb->data;
	72	if (event->ec != 0xff) {
	73	BT_DBG("Not Marvell Event=%x", event->ec);
	74	ret = -EINVAL;
	75	goto exit;
	76	}
	77
	78	switch (event->data[0]) {
	79	case BT_CMD_AUTO_SLEEP_MODE:
	80	if (!event->data[2]) {
	81	if (event->data[1] == BT_PS_ENABLE)
	82	adapter->psmode = 1;
	83	else
	84	adapter->psmode = 0;
	85	BT_DBG("PS Mode:%s",
	86	(adapter->psmode) ? "Enable" : "Disable");
	87	} else {
	88	BT_DBG("PS Mode command failed");
	89	}
	90	break;
	91
	92	case BT_CMD_HOST_SLEEP_CONFIG:
	93	if (!event->data[3])
	94	BT_DBG("gpio=%x, gap=%x", event->data[1],
4271e08d	95	event->data[2]);
132ff4e5 BZ	96	else
	97	BT_DBG("HSCFG command failed");
	98	break;
	99
	100	case BT_CMD_HOST_SLEEP_ENABLE:
	101	if (!event->data[1]) {
	102	adapter->hs_state = HS_ACTIVATED;
	103	if (adapter->psmode)
	104	adapter->ps_state = PS_SLEEP;
	105	wake_up_interruptible(&adapter->cmd_wait_q);
	106	BT_DBG("HS ACTIVATED!");
	107	} else {
	108	BT_DBG("HS Enable failed");
	109	}
	110	break;
	111
	112	case BT_CMD_MODULE_CFG_REQ:
4271e08d MH	113	if (priv->btmrvl_dev.sendcmdflag &&
4271e08d MH	114	event->data[1] == MODULE_BRINGUP_REQ) {
903c8437 BZ	115	BT_DBG("EVENT:%s",
	116	((event->data[2] == MODULE_BROUGHT_UP) \|\|
	117	(event->data[2] == MODULE_ALREADY_UP)) ?
	118	"Bring-up succeed" : "Bring-up failed");
f120c6b6	119
8f1e1742 DV	120	if (event->length > 3 && event->data[3])
8f1e1742 DV	121	priv->btmrvl_dev.dev_type = HCI_AMP;
f120c6b6 BZ	122	else
	123	priv->btmrvl_dev.dev_type = HCI_BREDR;
	124
	125	BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type);
4271e08d MH	126	} else if (priv->btmrvl_dev.sendcmdflag &&
4271e08d MH	127	event->data[1] == MODULE_SHUTDOWN_REQ) {
132ff4e5 BZ	128	BT_DBG("EVENT:%s", (event->data[2]) ?
	129	"Shutdown failed" : "Shutdown succeed");
	130	} else {
	131	BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP");
	132	ret = -EINVAL;
	133	}
	134	break;
	135
	136	case BT_EVENT_POWER_STATE:
	137	if (event->data[1] == BT_PS_SLEEP)
	138	adapter->ps_state = PS_SLEEP;
	139	BT_DBG("EVENT:%s",
	140	(adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE");
	141	break;
	142
	143	default:
	144	BT_DBG("Unknown Event=%d", event->data[0]);
	145	ret = -EINVAL;
	146	break;
	147	}
	148
	149	exit:
	150	if (!ret)
	151	kfree_skb(skb);
	152
132ff4e5 BZ	153	return ret;
	154	}
	155	EXPORT_SYMBOL_GPL(btmrvl_process_event);
	156
	157	int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd)
	158	{
4271e08d	159	struct sk_buff *skb;
132ff4e5	160	struct btmrvl_cmd *cmd;
9374253f	161	int ret = 0;
132ff4e5 BZ	162
	163	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	164	if (skb == NULL) {
	165	BT_ERR("No free skb");
9374253f	166	return -ENOMEM;
132ff4e5 BZ	167	}
132ff4e5 BZ	168
e0721f99	169	cmd = (struct btmrvl_cmd ) skb_put(skb, sizeof(cmd));
91d69730	170	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_MODULE_CFG_REQ));
132ff4e5 BZ	171	cmd->length = 1;
	172	cmd->data[0] = subcmd;
	173
	174	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
	175
4271e08d	176	skb->dev = (void *) priv->btmrvl_dev.hcidev;
132ff4e5 BZ	177	skb_queue_head(&priv->adapter->tx_queue, skb);
	178
	179	priv->btmrvl_dev.sendcmdflag = true;
	180
	181	priv->adapter->cmd_complete = false;
	182
	183	BT_DBG("Queue module cfg Command");
	184
	185	wake_up_interruptible(&priv->main_thread.wait_q);
	186
4271e08d MH	187	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
	188	priv->adapter->cmd_complete,
	189	msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) {
132ff4e5 BZ	190	ret = -ETIMEDOUT;
132ff4e5 BZ	191	BT_ERR("module_cfg_cmd(%x): timeout: %d",
4271e08d	192	subcmd, priv->btmrvl_dev.sendcmdflag);
132ff4e5 BZ	193	}
	194
	195	BT_DBG("module cfg Command done");
	196
132ff4e5 BZ	197	return ret;
	198	}
	199	EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
	200
32fd6398 AK	201	int btmrvl_enable_ps(struct btmrvl_private *priv)
	202	{
	203	struct sk_buff *skb;
	204	struct btmrvl_cmd *cmd;
	205
	206	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	207	if (skb == NULL) {
	208	BT_ERR("No free skb");
	209	return -ENOMEM;
	210	}
	211
	212	cmd = (struct btmrvl_cmd ) skb_put(skb, sizeof(cmd));
	213	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF,
	214	BT_CMD_AUTO_SLEEP_MODE));
	215	cmd->length = 1;
	216
	217	if (priv->btmrvl_dev.psmode)
	218	cmd->data[0] = BT_PS_ENABLE;
	219	else
	220	cmd->data[0] = BT_PS_DISABLE;
	221
	222	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
	223
	224	skb->dev = (void *) priv->btmrvl_dev.hcidev;
	225	skb_queue_head(&priv->adapter->tx_queue, skb);
	226
	227	BT_DBG("Queue PSMODE Command:%d", cmd->data[0]);
	228
	229	return 0;
	230	}
	231	EXPORT_SYMBOL_GPL(btmrvl_enable_ps);
	232
132ff4e5 BZ	233	static int btmrvl_enable_hs(struct btmrvl_private *priv)
132ff4e5 BZ	234	{
4271e08d	235	struct sk_buff *skb;
132ff4e5	236	struct btmrvl_cmd *cmd;
9374253f	237	int ret = 0;
132ff4e5 BZ	238
	239	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	240	if (skb == NULL) {
	241	BT_ERR("No free skb");
9374253f	242	return -ENOMEM;
132ff4e5 BZ	243	}
132ff4e5 BZ	244
e0721f99	245	cmd = (struct btmrvl_cmd ) skb_put(skb, sizeof(cmd));
91d69730	246	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_HOST_SLEEP_ENABLE));
132ff4e5 BZ	247	cmd->length = 0;
	248
	249	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
	250
4271e08d	251	skb->dev = (void *) priv->btmrvl_dev.hcidev;
132ff4e5 BZ	252	skb_queue_head(&priv->adapter->tx_queue, skb);
	253
	254	BT_DBG("Queue hs enable Command");
	255
	256	wake_up_interruptible(&priv->main_thread.wait_q);
	257
4271e08d	258	if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q,
132ff4e5 BZ	259	priv->adapter->hs_state,
	260	msecs_to_jiffies(WAIT_UNTIL_HS_STATE_CHANGED))) {
	261	ret = -ETIMEDOUT;
4271e08d MH	262	BT_ERR("timeout: %d, %d,%d", priv->adapter->hs_state,
	263	priv->adapter->ps_state,
	264	priv->adapter->wakeup_tries);
132ff4e5 BZ	265	}
132ff4e5 BZ	266
132ff4e5 BZ	267	return ret;
	268	}
	269
	270	int btmrvl_prepare_command(struct btmrvl_private *priv)
	271	{
	272	struct sk_buff *skb = NULL;
132ff4e5	273	struct btmrvl_cmd *cmd;
9374253f	274	int ret = 0;
132ff4e5 BZ	275
	276	if (priv->btmrvl_dev.hscfgcmd) {
	277	priv->btmrvl_dev.hscfgcmd = 0;
	278
	279	skb = bt_skb_alloc(sizeof(*cmd), GFP_ATOMIC);
	280	if (skb == NULL) {
	281	BT_ERR("No free skb");
9374253f	282	return -ENOMEM;
132ff4e5 BZ	283	}
132ff4e5 BZ	284
e0721f99	285	cmd = (struct btmrvl_cmd ) skb_put(skb, sizeof(cmd));
91d69730	286	cmd->ocf_ogf = cpu_to_le16(hci_opcode_pack(OGF, BT_CMD_HOST_SLEEP_CONFIG));
132ff4e5 BZ	287	cmd->length = 2;
	288	cmd->data[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
	289	cmd->data[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff);
	290
	291	bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT;
	292
4271e08d	293	skb->dev = (void *) priv->btmrvl_dev.hcidev;
132ff4e5 BZ	294	skb_queue_head(&priv->adapter->tx_queue, skb);
	295
	296	BT_DBG("Queue HSCFG Command, gpio=0x%x, gap=0x%x",
4271e08d	297	cmd->data[0], cmd->data[1]);
132ff4e5 BZ	298	}
	299
	300	if (priv->btmrvl_dev.pscmd) {
	301	priv->btmrvl_dev.pscmd = 0;
32fd6398	302	btmrvl_enable_ps(priv);
132ff4e5 BZ	303	}
	304
	305	if (priv->btmrvl_dev.hscmd) {
	306	priv->btmrvl_dev.hscmd = 0;
	307
	308	if (priv->btmrvl_dev.hsmode) {
	309	ret = btmrvl_enable_hs(priv);
	310	} else {
	311	ret = priv->hw_wakeup_firmware(priv);
	312	priv->adapter->hs_state = HS_DEACTIVATED;
	313	}
	314	}
	315
132ff4e5 BZ	316	return ret;
	317	}
	318
	319	static int btmrvl_tx_pkt(struct btmrvl_private priv, struct sk_buff skb)
	320	{
9374253f	321	int ret = 0;
132ff4e5	322
9374253f	323	if (!skb \|\| !skb->data)
132ff4e5	324	return -EINVAL;
132ff4e5 BZ	325
	326	if (!skb->len \|\| ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) {
	327	BT_ERR("Tx Error: Bad skb length %d : %d",
4271e08d	328	skb->len, BTM_UPLD_SIZE);
132ff4e5 BZ	329	return -EINVAL;
	330	}
	331
	332	if (skb_headroom(skb) < BTM_HEADER_LEN) {
	333	struct sk_buff *tmp = skb;
	334
	335	skb = skb_realloc_headroom(skb, BTM_HEADER_LEN);
	336	if (!skb) {
	337	BT_ERR("Tx Error: realloc_headroom failed %d",
	338	BTM_HEADER_LEN);
	339	skb = tmp;
132ff4e5 BZ	340	return -EINVAL;
	341	}
	342
	343	kfree_skb(tmp);
	344	}
	345
	346	skb_push(skb, BTM_HEADER_LEN);
	347
	348	/* header type: byte[3]
	349	* HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor
	350	* header length: byte[2][1][0]
	351	*/
	352
	353	skb->data[0] = (skb->len & 0x0000ff);
	354	skb->data[1] = (skb->len & 0x00ff00) >> 8;
	355	skb->data[2] = (skb->len & 0xff0000) >> 16;
	356	skb->data[3] = bt_cb(skb)->pkt_type;
	357
	358	if (priv->hw_host_to_card)
	359	ret = priv->hw_host_to_card(priv, skb->data, skb->len);
	360
132ff4e5 BZ	361	return ret;
	362	}
	363
	364	static void btmrvl_init_adapter(struct btmrvl_private *priv)
	365	{
132ff4e5 BZ	366	skb_queue_head_init(&priv->adapter->tx_queue);
	367
	368	priv->adapter->ps_state = PS_AWAKE;
	369
	370	init_waitqueue_head(&priv->adapter->cmd_wait_q);
132ff4e5 BZ	371	}
	372
	373	static void btmrvl_free_adapter(struct btmrvl_private *priv)
	374	{
132ff4e5 BZ	375	skb_queue_purge(&priv->adapter->tx_queue);
	376
	377	kfree(priv->adapter);
	378
	379	priv->adapter = NULL;
132ff4e5 BZ	380	}
132ff4e5 BZ	381
4271e08d MH	382	static int btmrvl_ioctl(struct hci_dev *hdev,
4271e08d MH	383	unsigned int cmd, unsigned long arg)
132ff4e5	384	{
132ff4e5 BZ	385	return -ENOIOCTLCMD;
	386	}
	387
	388	static void btmrvl_destruct(struct hci_dev *hdev)
	389	{
132ff4e5 BZ	390	}
	391
	392	static int btmrvl_send_frame(struct sk_buff *skb)
	393	{
4271e08d	394	struct hci_dev hdev = (struct hci_dev ) skb->dev;
132ff4e5 BZ	395	struct btmrvl_private *priv = NULL;
132ff4e5 BZ	396
9374253f	397	BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len);
132ff4e5 BZ	398
	399	if (!hdev \|\| !hdev->driver_data) {
	400	BT_ERR("Frame for unknown HCI device");
132ff4e5 BZ	401	return -ENODEV;
	402	}
	403
4271e08d	404	priv = (struct btmrvl_private *) hdev->driver_data;
132ff4e5 BZ	405	if (!test_bit(HCI_RUNNING, &hdev->flags)) {
	406	BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags);
	407	print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET,
4271e08d	408	skb->data, skb->len);
132ff4e5 BZ	409	return -EBUSY;
	410	}
	411
	412	switch (bt_cb(skb)->pkt_type) {
	413	case HCI_COMMAND_PKT:
	414	hdev->stat.cmd_tx++;
	415	break;
	416
	417	case HCI_ACLDATA_PKT:
	418	hdev->stat.acl_tx++;
	419	break;
	420
	421	case HCI_SCODATA_PKT:
	422	hdev->stat.sco_tx++;
	423	break;
	424	}
	425
	426	skb_queue_tail(&priv->adapter->tx_queue, skb);
	427
	428	wake_up_interruptible(&priv->main_thread.wait_q);
	429
132ff4e5 BZ	430	return 0;
	431	}
	432
	433	static int btmrvl_flush(struct hci_dev *hdev)
	434	{
4271e08d	435	struct btmrvl_private *priv = hdev->driver_data;
132ff4e5	436
132ff4e5 BZ	437	skb_queue_purge(&priv->adapter->tx_queue);
132ff4e5 BZ	438
132ff4e5 BZ	439	return 0;
	440	}
	441
	442	static int btmrvl_close(struct hci_dev *hdev)
	443	{
4271e08d	444	struct btmrvl_private *priv = hdev->driver_data;
132ff4e5	445
9374253f	446	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
132ff4e5	447	return 0;
132ff4e5 BZ	448
	449	skb_queue_purge(&priv->adapter->tx_queue);
	450
132ff4e5 BZ	451	return 0;
	452	}
	453
	454	static int btmrvl_open(struct hci_dev *hdev)
	455	{
132ff4e5 BZ	456	set_bit(HCI_RUNNING, &hdev->flags);
132ff4e5 BZ	457
132ff4e5 BZ	458	return 0;
	459	}
	460
	461	/*
	462	* This function handles the event generated by firmware, rx data
	463	* received from firmware, and tx data sent from kernel.
	464	*/
	465	static int btmrvl_service_main_thread(void *data)
	466	{
	467	struct btmrvl_thread *thread = data;
	468	struct btmrvl_private *priv = thread->priv;
	469	struct btmrvl_adapter *adapter = priv->adapter;
	470	wait_queue_t wait;
	471	struct sk_buff *skb;
	472	ulong flags;
	473
132ff4e5 BZ	474	init_waitqueue_entry(&wait, current);
	475
	476	current->flags \|= PF_NOFREEZE;
	477
	478	for (;;) {
	479	add_wait_queue(&thread->wait_q, &wait);
	480
	481	set_current_state(TASK_INTERRUPTIBLE);
	482
	483	if (adapter->wakeup_tries \|\|
4271e08d MH	484	((!adapter->int_count) &&
	485	(!priv->btmrvl_dev.tx_dnld_rdy \|\|
	486	skb_queue_empty(&adapter->tx_queue)))) {
132ff4e5 BZ	487	BT_DBG("main_thread is sleeping...");
	488	schedule();
	489	}
	490
	491	set_current_state(TASK_RUNNING);
	492
	493	remove_wait_queue(&thread->wait_q, &wait);
	494
	495	BT_DBG("main_thread woke up");
	496
	497	if (kthread_should_stop()) {
	498	BT_DBG("main_thread: break from main thread");
	499	break;
	500	}
	501
	502	spin_lock_irqsave(&priv->driver_lock, flags);
	503	if (adapter->int_count) {
	504	adapter->int_count = 0;
d1d10d78 AK	505	spin_unlock_irqrestore(&priv->driver_lock, flags);
d1d10d78 AK	506	priv->hw_process_int_status(priv);
4271e08d MH	507	} else if (adapter->ps_state == PS_SLEEP &&
4271e08d MH	508	!skb_queue_empty(&adapter->tx_queue)) {
132ff4e5 BZ	509	spin_unlock_irqrestore(&priv->driver_lock, flags);
	510	adapter->wakeup_tries++;
	511	priv->hw_wakeup_firmware(priv);
	512	continue;
d1d10d78 AK	513	} else {
d1d10d78 AK	514	spin_unlock_irqrestore(&priv->driver_lock, flags);
132ff4e5	515	}
132ff4e5 BZ	516
	517	if (adapter->ps_state == PS_SLEEP)
	518	continue;
	519
	520	if (!priv->btmrvl_dev.tx_dnld_rdy)
	521	continue;
	522
	523	skb = skb_dequeue(&adapter->tx_queue);
	524	if (skb) {
	525	if (btmrvl_tx_pkt(priv, skb))
	526	priv->btmrvl_dev.hcidev->stat.err_tx++;
	527	else
4271e08d	528	priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len;
132ff4e5 BZ	529
	530	kfree_skb(skb);
	531	}
	532	}
	533
132ff4e5 BZ	534	return 0;
	535	}
	536
64061607	537	int btmrvl_register_hdev(struct btmrvl_private *priv)
132ff4e5 BZ	538	{
132ff4e5 BZ	539	struct hci_dev *hdev = NULL;
132ff4e5 BZ	540	int ret;
132ff4e5 BZ	541
132ff4e5 BZ	542	hdev = hci_alloc_dev();
	543	if (!hdev) {
	544	BT_ERR("Can not allocate HCI device");
	545	goto err_hdev;
	546	}
	547
132ff4e5	548	priv->btmrvl_dev.hcidev = hdev;
132ff4e5 BZ	549	hdev->driver_data = priv;
132ff4e5 BZ	550
c13854ce	551	hdev->bus = HCI_SDIO;
132ff4e5 BZ	552	hdev->open = btmrvl_open;
	553	hdev->close = btmrvl_close;
	554	hdev->flush = btmrvl_flush;
	555	hdev->send = btmrvl_send_frame;
	556	hdev->destruct = btmrvl_destruct;
	557	hdev->ioctl = btmrvl_ioctl;
	558	hdev->owner = THIS_MODULE;
	559
64061607 BZ	560	btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
64061607 BZ	561
f120c6b6 BZ	562	hdev->dev_type = priv->btmrvl_dev.dev_type;
f120c6b6 BZ	563
132ff4e5 BZ	564	ret = hci_register_dev(hdev);
	565	if (ret < 0) {
	566	BT_ERR("Can not register HCI device");
	567	goto err_hci_register_dev;
	568	}
	569
fb784f05 BZ	570	#ifdef CONFIG_DEBUG_FS
	571	btmrvl_debugfs_init(hdev);
	572	#endif
	573
64061607	574	return 0;
132ff4e5 BZ	575
132ff4e5 BZ	576	err_hci_register_dev:
132ff4e5 BZ	577	hci_free_dev(hdev);
	578
	579	err_hdev:
64061607 BZ	580	/* Stop the thread servicing the interrupts */
	581	kthread_stop(priv->main_thread.task);
	582
132ff4e5	583	btmrvl_free_adapter(priv);
64061607 BZ	584	kfree(priv);
	585
	586	return -ENOMEM;
	587	}
	588	EXPORT_SYMBOL_GPL(btmrvl_register_hdev);
	589
	590	struct btmrvl_private btmrvl_add_card(void card)
	591	{
	592	struct btmrvl_private *priv;
	593
	594	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	595	if (!priv) {
	596	BT_ERR("Can not allocate priv");
	597	goto err_priv;
	598	}
	599
	600	priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL);
	601	if (!priv->adapter) {
	602	BT_ERR("Allocate buffer for btmrvl_adapter failed!");
	603	goto err_adapter;
	604	}
	605
	606	btmrvl_init_adapter(priv);
	607
	608	BT_DBG("Starting kthread...");
	609	priv->main_thread.priv = priv;
	610	spin_lock_init(&priv->driver_lock);
	611
	612	init_waitqueue_head(&priv->main_thread.wait_q);
	613	priv->main_thread.task = kthread_run(btmrvl_service_main_thread,
	614	&priv->main_thread, "btmrvl_main_service");
	615
	616	priv->btmrvl_dev.card = card;
	617	priv->btmrvl_dev.tx_dnld_rdy = true;
	618
	619	return priv;
132ff4e5 BZ	620
	621	err_adapter:
	622	kfree(priv);
	623
	624	err_priv:
132ff4e5 BZ	625	return NULL;
	626	}
	627	EXPORT_SYMBOL_GPL(btmrvl_add_card);
	628
	629	int btmrvl_remove_card(struct btmrvl_private *priv)
	630	{
	631	struct hci_dev *hdev;
	632
132ff4e5 BZ	633	hdev = priv->btmrvl_dev.hcidev;
	634
	635	wake_up_interruptible(&priv->adapter->cmd_wait_q);
	636
	637	kthread_stop(priv->main_thread.task);
	638
fb784f05 BZ	639	#ifdef CONFIG_DEBUG_FS
	640	btmrvl_debugfs_remove(hdev);
	641	#endif
	642
132ff4e5 BZ	643	hci_unregister_dev(hdev);
	644
	645	hci_free_dev(hdev);
	646
	647	priv->btmrvl_dev.hcidev = NULL;
	648
	649	btmrvl_free_adapter(priv);
	650
	651	kfree(priv);
	652
132ff4e5 BZ	653	return 0;
	654	}
	655	EXPORT_SYMBOL_GPL(btmrvl_remove_card);
	656
	657	MODULE_AUTHOR("Marvell International Ltd.");
9666fb35	658	MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION);
132ff4e5 BZ	659	MODULE_VERSION(VERSION);
132ff4e5 BZ	660	MODULE_LICENSE("GPL v2");