[linux-2.6-block.git] / drivers / bluetooth / btmrvl_drv.h

/*
 * Marvell Bluetooth driver: global definitions & declarations
 *
 * 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/kthread.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include <net/bluetooth/bluetooth.h>

#define BTM_HEADER_LEN			4
#define BTM_UPLD_SIZE			2312

/* Time to wait until Host Sleep state change in millisecond */
#define WAIT_UNTIL_HS_STATE_CHANGED	5000
/* Time to wait for command response in millisecond */
#define WAIT_UNTIL_CMD_RESP		5000

struct btmrvl_thread {
	struct task_struct *task;
	wait_queue_head_t wait_q;
	void *priv;
};

struct btmrvl_device {
	void *card;
	struct hci_dev *hcidev;

	u8 tx_dnld_rdy;

	u8 psmode;
	u8 pscmd;
	u8 hsmode;
	u8 hscmd;

	/* Low byte is gap, high byte is GPIO */
	u16 gpio_gap;

	u8 hscfgcmd;
	u8 sendcmdflag;
};

struct btmrvl_adapter {
	u32 int_count;
	struct sk_buff_head tx_queue;
	u8 psmode;
	u8 ps_state;
	u8 hs_state;
	u8 wakeup_tries;
	wait_queue_head_t cmd_wait_q;
	u8 cmd_complete;
};

struct btmrvl_private {
	struct btmrvl_device btmrvl_dev;
	struct btmrvl_adapter *adapter;
	struct btmrvl_thread main_thread;
	int (*hw_host_to_card) (struct btmrvl_private *priv,
				u8 *payload, u16 nb);
	int (*hw_wakeup_firmware) (struct btmrvl_private *priv);
	spinlock_t driver_lock;		/* spinlock used by driver */
#ifdef CONFIG_DEBUG_FS
	void *debugfs_data;
#endif
};

#define MRVL_VENDOR_PKT			0xFE

/* Bluetooth commands  */
#define BT_CMD_AUTO_SLEEP_MODE		0x23
#define BT_CMD_HOST_SLEEP_CONFIG	0x59
#define BT_CMD_HOST_SLEEP_ENABLE	0x5A
#define BT_CMD_MODULE_CFG_REQ		0x5B

/* Sub-commands: Module Bringup/Shutdown Request */
#define MODULE_BRINGUP_REQ		0xF1
#define MODULE_SHUTDOWN_REQ		0xF2

#define BT_EVENT_POWER_STATE		0x20

/* Bluetooth Power States */
#define BT_PS_ENABLE			0x02
#define BT_PS_DISABLE			0x03
#define BT_PS_SLEEP			0x01

#define OGF				0x3F

/* Host Sleep states */
#define HS_ACTIVATED			0x01
#define HS_DEACTIVATED			0x00

/* Power Save modes */
#define PS_SLEEP			0x01
#define PS_AWAKE			0x00

struct btmrvl_cmd {
	__le16 ocf_ogf;
	u8 length;
	u8 data[4];
} __attribute__ ((packed));

struct btmrvl_event {
	u8 ec;		/* event counter */
	u8 length;
	u8 data[4];
} __attribute__ ((packed));

/* Prototype of global function */

struct btmrvl_private *btmrvl_add_card(void *card);
int btmrvl_remove_card(struct btmrvl_private *priv);

void btmrvl_interrupt(struct btmrvl_private *priv);

void btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb);
int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb);

int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
int btmrvl_enable_ps(struct btmrvl_private *priv);
int btmrvl_prepare_command(struct btmrvl_private *priv);

#ifdef CONFIG_DEBUG_FS
void btmrvl_debugfs_init(struct hci_dev *hdev);
void btmrvl_debugfs_remove(struct hci_dev *hdev);
#endif
Commit	Line	Data
132ff4e5 BZ	1	/*
	2	* Marvell Bluetooth driver: global definitions & declarations
	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
132ff4e5 BZ	22	#include <linux/kthread.h>
132ff4e5 BZ	23	#include <linux/bitops.h>
5a0e3ad6	24	#include <linux/slab.h>
132ff4e5 BZ	25	#include <net/bluetooth/bluetooth.h>
	26
	27	#define BTM_HEADER_LEN 4
132ff4e5 BZ	28	#define BTM_UPLD_SIZE 2312
	29
	30	/* Time to wait until Host Sleep state change in millisecond */
	31	#define WAIT_UNTIL_HS_STATE_CHANGED 5000
	32	/* Time to wait for command response in millisecond */
	33	#define WAIT_UNTIL_CMD_RESP 5000
	34
	35	struct btmrvl_thread {
	36	struct task_struct *task;
	37	wait_queue_head_t wait_q;
	38	void *priv;
	39	};
	40
	41	struct btmrvl_device {
132ff4e5 BZ	42	void *card;
	43	struct hci_dev *hcidev;
	44
	45	u8 tx_dnld_rdy;
	46
	47	u8 psmode;
	48	u8 pscmd;
	49	u8 hsmode;
	50	u8 hscmd;
	51
	52	/* Low byte is gap, high byte is GPIO */
	53	u16 gpio_gap;
	54
	55	u8 hscfgcmd;
	56	u8 sendcmdflag;
	57	};
	58
	59	struct btmrvl_adapter {
	60	u32 int_count;
	61	struct sk_buff_head tx_queue;
	62	u8 psmode;
	63	u8 ps_state;
	64	u8 hs_state;
	65	u8 wakeup_tries;
	66	wait_queue_head_t cmd_wait_q;
	67	u8 cmd_complete;
	68	};
	69
	70	struct btmrvl_private {
	71	struct btmrvl_device btmrvl_dev;
	72	struct btmrvl_adapter *adapter;
	73	struct btmrvl_thread main_thread;
	74	int (hw_host_to_card) (struct btmrvl_private priv,
	75	u8 *payload, u16 nb);
	76	int (hw_wakeup_firmware) (struct btmrvl_private priv);
	77	spinlock_t driver_lock; /* spinlock used by driver */
fb784f05 BZ	78	#ifdef CONFIG_DEBUG_FS
	79	void *debugfs_data;
	80	#endif
132ff4e5 BZ	81	};
	82
	83	#define MRVL_VENDOR_PKT 0xFE
	84
	85	/* Bluetooth commands */
	86	#define BT_CMD_AUTO_SLEEP_MODE 0x23
	87	#define BT_CMD_HOST_SLEEP_CONFIG 0x59
	88	#define BT_CMD_HOST_SLEEP_ENABLE 0x5A
	89	#define BT_CMD_MODULE_CFG_REQ 0x5B
	90
	91	/* Sub-commands: Module Bringup/Shutdown Request */
	92	#define MODULE_BRINGUP_REQ 0xF1
	93	#define MODULE_SHUTDOWN_REQ 0xF2
	94
	95	#define BT_EVENT_POWER_STATE 0x20
	96
	97	/* Bluetooth Power States */
	98	#define BT_PS_ENABLE 0x02
	99	#define BT_PS_DISABLE 0x03
	100	#define BT_PS_SLEEP 0x01
	101
	102	#define OGF 0x3F
	103
	104	/* Host Sleep states */
	105	#define HS_ACTIVATED 0x01
	106	#define HS_DEACTIVATED 0x00
	107
	108	/* Power Save modes */
	109	#define PS_SLEEP 0x01
	110	#define PS_AWAKE 0x00
	111
	112	struct btmrvl_cmd {
	113	__le16 ocf_ogf;
	114	u8 length;
	115	u8 data[4];
	116	} __attribute__ ((packed));
	117
	118	struct btmrvl_event {
	119	u8 ec; /* event counter */
	120	u8 length;
	121	u8 data[4];
	122	} __attribute__ ((packed));
	123
	124	/* Prototype of global function */
	125
	126	struct btmrvl_private btmrvl_add_card(void card);
	127	int btmrvl_remove_card(struct btmrvl_private *priv);
	128
	129	void btmrvl_interrupt(struct btmrvl_private *priv);
	130
	131	void btmrvl_check_evtpkt(struct btmrvl_private priv, struct sk_buff skb);
	132	int btmrvl_process_event(struct btmrvl_private priv, struct sk_buff skb);
	133
	134	int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd);
32fd6398	135	int btmrvl_enable_ps(struct btmrvl_private *priv);
132ff4e5 BZ	136	int btmrvl_prepare_command(struct btmrvl_private *priv);
132ff4e5 BZ	137
fb784f05 BZ	138	#ifdef CONFIG_DEBUG_FS
	139	void btmrvl_debugfs_init(struct hci_dev *hdev);
	140	void btmrvl_debugfs_remove(struct hci_dev *hdev);
	141	#endif