[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / tm6000 / tm6000.h

/*
   tm6000.h - driver for TM5600/TM6000 USB video capture devices

   Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>

   Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
	- DVB-T support

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation version 2

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

// Use the tm6000-hack, instead of the proper initialization code
//#define HACK 1

#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/videobuf-vmalloc.h>
#include "tm6000-usb-isoc.h"
#include <linux/i2c.h>
#include <linux/mutex.h>

#include <linux/dvb/frontend.h>
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dmxdev.h"

#define TM6000_VERSION KERNEL_VERSION(0, 0, 1)

/* Inputs */

enum tm6000_itype {
	TM6000_INPUT_TV	= 0,
	TM6000_INPUT_COMPOSITE,
	TM6000_INPUT_SVIDEO,
};

enum tm6000_devtype {
	TM6000 = 0,
	TM5600,
	TM6010,
};

/* ------------------------------------------------------------------
	Basic structures
   ------------------------------------------------------------------*/

struct tm6000_fmt {
	char  *name;
	u32   fourcc;          /* v4l2 format id */
	int   depth;
};

/* buffer for one video frame */
struct tm6000_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	struct tm6000_fmt      *fmt;
};

struct tm6000_dmaqueue {
	struct list_head       active;
	struct list_head       queued;

	/* thread for generating video stream*/
	struct task_struct         *kthread;
	wait_queue_head_t          wq;
	/* Counters to control fps rate */
	int                        frame;
	int                        ini_jiffies;
};

/* device states */
enum tm6000_core_state {
	DEV_INITIALIZED   = 0x01,
	DEV_DISCONNECTED  = 0x02,
	DEV_MISCONFIGURED = 0x04,
};

/* io methods */
enum tm6000_io_method {
	IO_NONE,
	IO_READ,
	IO_MMAP,
};

enum tm6000_mode {
	TM6000_MODE_UNKNOWN=0,
	TM6000_MODE_ANALOG,
	TM6000_MODE_DIGITAL,
};

struct tm6000_capabilities {
	unsigned int    has_tuner:1;
	unsigned int    has_tda9874:1;
	unsigned int    has_dvb:1;
	unsigned int    has_zl10353:1;
	unsigned int    has_eeprom:1;
	unsigned int    has_remote:1;
};

struct tm6000_dvb {
	struct dvb_adapter	adapter;
	struct dvb_demux	demux;
	struct dvb_frontend	*frontend;
	struct dmxdev		dmxdev;
	unsigned int		streams;
	struct urb 		*bulk_urb;
	struct mutex		mutex;
};

struct tm6000_core {
	/* generic device properties */
	char				name[30];	/* name (including minor) of the device */
	int				model;		/* index in the device_data struct */
	int				devno;		/* marks the number of this device */
	enum tm6000_devtype		dev_type;	/* type of device */

	v4l2_std_id                     norm;           /* Current norm */
	int				width,height;	/* Selected resolution */

	enum tm6000_core_state		state;

	/* Device Capabilities*/
	struct tm6000_capabilities	caps;

	/* Tuner configuration */
	int				tuner_type;		/* type of the tuner */
	int				tuner_addr;		/* tuner address */
	int				tuner_reset_gpio;	/* GPIO used for tuner reset */

	/* Demodulator configuration */
	int				demod_addr;	/* demodulator address */

	int				audio_bitrate;
	/* i2c i/o */
	struct i2c_adapter		i2c_adap;
	struct i2c_client		i2c_client;

	/* video for linux */
	struct list_head		tm6000_corelist;
	int				users;

	/* various device info */
	unsigned int			resources;
	struct video_device		*vfd;
	struct tm6000_dmaqueue		vidq;

	int				input;
	int				freq;
	unsigned int			fourcc;

	enum tm6000_mode		mode;

	/* DVB-T support */
	struct tm6000_dvb		*dvb;

	/* locks */
	struct mutex			lock;

	/* usb transfer */
	struct usb_device		*udev;		/* the usb device */

	struct usb_host_endpoint	*bulk_in, *bulk_out, *isoc_in, *isoc_out;
	unsigned int			max_bulk_in, max_bulk_out;
	unsigned int			max_isoc_in, max_isoc_out;

	/* scaler!=0 if scaler is active*/
	int				scaler;

		/* Isoc control struct */
	struct usb_isoc_ctl          isoc_ctl;

	spinlock_t                   slock;
};

struct tm6000_fh {
	struct tm6000_core           *dev;

	/* video capture */
	struct tm6000_fmt            *fmt;
	unsigned int                 width,height;
	struct videobuf_queue        vb_vidq;

	enum v4l2_buf_type           type;
};

#define TM6000_STD	V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|    \
			V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
			V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM

/* In tm6000-core.c */

int tm6000_read_write_usb (struct tm6000_core *dev, u8 reqtype, u8 req,
			   u16 value, u16 index, u8 *buf, u16 len);
int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
int tm6000_init (struct tm6000_core *dev);
int tm6000_init_after_firmware (struct tm6000_core *dev);

int tm6000_init_analog_mode (struct tm6000_core *dev);
int tm6000_init_digital_mode (struct tm6000_core *dev);
int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate);

int tm6000_dvb_register(struct tm6000_core *dev);
void tm6000_dvb_unregister(struct tm6000_core *dev);

int tm6000_v4l2_register(struct tm6000_core *dev);
int tm6000_v4l2_unregister(struct tm6000_core *dev);
int tm6000_v4l2_exit(void);
void tm6000_set_fourcc_format(struct tm6000_core *dev);

/* In tm6000-stds.c */
void tm6000_get_std_res(struct tm6000_core *dev);
int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm);

/* In tm6000-i2c.c */
int tm6000_i2c_register(struct tm6000_core *dev);
int tm6000_i2c_unregister(struct tm6000_core *dev);
void tm6000_i2c_call_clients(struct tm6000_core *dev, unsigned int cmd,
			     void *arg);

/* In tm6000-queue.c */

int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);

int tm6000_vidioc_streamon(struct file *file, void *priv,
			   enum v4l2_buf_type i);
int tm6000_vidioc_streamoff(struct file *file, void *priv,
			    enum v4l2_buf_type i);
int tm6000_vidioc_reqbufs (struct file *file, void *priv,
			   struct v4l2_requestbuffers *rb);
int tm6000_vidioc_querybuf (struct file *file, void *priv,
			    struct v4l2_buffer *b);
int tm6000_vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *b);
int tm6000_vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *b);
ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
			 loff_t * f_pos);
unsigned int tm6000_v4l2_poll(struct file *file,
			      struct poll_table_struct *wait);
int tm6000_queue_init(struct tm6000_core *dev);

/* In tm6000-alsa.c */
int tm6000_audio_init(struct tm6000_core *dev, int idx);


/* Debug stuff */

extern int tm6000_debug;

#define dprintk(dev, level, fmt, arg...) do {\
	if (tm6000_debug & level) \
		printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, 		\
			 dev->name, __FUNCTION__ , ##arg); } while (0)

#define V4L2_DEBUG_REG		0x0004
#define V4L2_DEBUG_I2C		0x0008
#define V4L2_DEBUG_QUEUE	0x0010
#define V4L2_DEBUG_ISOC		0x0020
#define V4L2_DEBUG_RES_LOCK	0x0040	/* Resource locking */
#define V4L2_DEBUG_OPEN		0x0080	/* video open/close debug */

#define tm6000_err(fmt, arg...) do {\
	printk(KERN_ERR "tm6000 %s :"fmt, \
		__FUNCTION__ , ##arg); } while (0)
Commit	Line	Data
9701dc94 MCC	1	/*
	2	tm6000.h - driver for TM5600/TM6000 USB video capture devices
	3
	4	Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
	5
3169c9b2 ML	6	Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
	7	- DVB-T support
	8
9701dc94 MCC	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation version 2
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	21	*/
	22
	23	// Use the tm6000-hack, instead of the proper initialization code
	24	//#define HACK 1
	25
	26	#include <linux/videodev2.h>
	27	#include <media/v4l2-common.h>
	28	#include <media/videobuf-vmalloc.h>
	29	#include "tm6000-usb-isoc.h"
	30	#include <linux/i2c.h>
	31	#include <linux/mutex.h>
	32
3169c9b2 ML	33	#include <linux/dvb/frontend.h>
	34	#include "dvb_demux.h"
	35	#include "dvb_frontend.h"
	36	#include "dmxdev.h"
	37
9701dc94 MCC	38	#define TM6000_VERSION KERNEL_VERSION(0, 0, 1)
	39
	40	/* Inputs */
c85cba3f MCC	41
	42	enum tm6000_itype {
	43	TM6000_INPUT_TV = 0,
	44	TM6000_INPUT_COMPOSITE,
	45	TM6000_INPUT_SVIDEO,
	46	};
	47
29c389be MCC	48	enum tm6000_devtype {
	49	TM6000 = 0,
	50	TM5600,
	51	TM6010,
	52	};
9701dc94 MCC	53
	54	/* ------------------------------------------------------------------
	55	Basic structures
	56	------------------------------------------------------------------*/
	57
	58	struct tm6000_fmt {
	59	char *name;
	60	u32 fourcc; /* v4l2 format id */
	61	int depth;
	62	};
	63
	64	/* buffer for one video frame */
	65	struct tm6000_buffer {
	66	/* common v4l buffer stuff -- must be first */
	67	struct videobuf_buffer vb;
	68
	69	struct tm6000_fmt *fmt;
	70	};
	71
	72	struct tm6000_dmaqueue {
	73	struct list_head active;
	74	struct list_head queued;
9701dc94 MCC	75
	76	/* thread for generating video stream*/
	77	struct task_struct *kthread;
	78	wait_queue_head_t wq;
	79	/* Counters to control fps rate */
	80	int frame;
	81	int ini_jiffies;
	82	};
	83
	84	/* device states */
	85	enum tm6000_core_state {
	86	DEV_INITIALIZED = 0x01,
	87	DEV_DISCONNECTED = 0x02,
	88	DEV_MISCONFIGURED = 0x04,
	89	};
	90
	91	/* io methods */
	92	enum tm6000_io_method {
	93	IO_NONE,
	94	IO_READ,
	95	IO_MMAP,
	96	};
	97
	98	enum tm6000_mode {
	99	TM6000_MODE_UNKNOWN=0,
	100	TM6000_MODE_ANALOG,
	101	TM6000_MODE_DIGITAL,
	102	};
	103
	104	struct tm6000_capabilities {
	105	unsigned int has_tuner:1;
	106	unsigned int has_tda9874:1;
	107	unsigned int has_dvb:1;
	108	unsigned int has_zl10353:1;
	109	unsigned int has_eeprom:1;
4386136d	110	unsigned int has_remote:1;
9701dc94 MCC	111	};
9701dc94 MCC	112
3169c9b2 ML	113	struct tm6000_dvb {
	114	struct dvb_adapter adapter;
	115	struct dvb_demux demux;
	116	struct dvb_frontend *frontend;
	117	struct dmxdev dmxdev;
	118	unsigned int streams;
	119	struct urb *bulk_urb;
	120	struct mutex mutex;
	121	};
	122
9701dc94 MCC	123	struct tm6000_core {
	124	/* generic device properties */
	125	char name[30]; /* name (including minor) of the device */
	126	int model; /* index in the device_data struct */
	127	int devno; /* marks the number of this device */
29c389be	128	enum tm6000_devtype dev_type; /* type of device */
3169c9b2 ML	129
3169c9b2 ML	130	v4l2_std_id norm; /* Current norm */
4475c044	131	int width,height; /* Selected resolution */
9701dc94 MCC	132
	133	enum tm6000_core_state state;
	134
	135	/* Device Capabilities*/
	136	struct tm6000_capabilities caps;
	137
	138	/* Tuner configuration */
95a83824 ML	139	int tuner_type; /* type of the tuner */
	140	int tuner_addr; /* tuner address */
	141	int tuner_reset_gpio; /* GPIO used for tuner reset */
	142
	143	/* Demodulator configuration */
	144	int demod_addr; /* demodulator address */
9701dc94	145
c13dd704	146	int audio_bitrate;
9701dc94 MCC	147	/* i2c i/o */
	148	struct i2c_adapter i2c_adap;
	149	struct i2c_client i2c_client;
	150
	151	/* video for linux */
	152	struct list_head tm6000_corelist;
	153	int users;
	154
	155	/* various device info */
	156	unsigned int resources;
7c3f53ec	157	struct video_device *vfd;
9701dc94 MCC	158	struct tm6000_dmaqueue vidq;
	159
	160	int input;
	161	int freq;
	162	unsigned int fourcc;
	163
	164	enum tm6000_mode mode;
	165
3169c9b2 ML	166	/* DVB-T support */
	167	struct tm6000_dvb *dvb;
	168
9701dc94 MCC	169	/* locks */
	170	struct mutex lock;
	171
	172	/* usb transfer */
	173	struct usb_device udev; / the usb device */
	174
	175	struct usb_host_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
	176	unsigned int max_bulk_in, max_bulk_out;
	177	unsigned int max_isoc_in, max_isoc_out;
	178
	179	/* scaler!=0 if scaler is active*/
	180	int scaler;
	181
	182	/* Isoc control struct */
	183	struct usb_isoc_ctl isoc_ctl;
	184
	185	spinlock_t slock;
	186	};
	187
	188	struct tm6000_fh {
	189	struct tm6000_core *dev;
	190
	191	/* video capture */
	192	struct tm6000_fmt *fmt;
	193	unsigned int width,height;
	194	struct videobuf_queue vb_vidq;
	195
	196	enum v4l2_buf_type type;
	197	};
	198
	199	#define TM6000_STD V4L2_STD_PAL\|V4L2_STD_PAL_N\|V4L2_STD_PAL_Nc\| \
	200	V4L2_STD_PAL_M\|V4L2_STD_PAL_60\|V4L2_STD_NTSC_M\| \
	201	V4L2_STD_NTSC_M_JP\|V4L2_STD_SECAM
	202
	203	/* In tm6000-core.c */
9701dc94 MCC	204
	205	int tm6000_read_write_usb (struct tm6000_core *dev, u8 reqtype, u8 req,
	206	u16 value, u16 index, u8 *buf, u16 len);
	207	int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
	208	int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
	209	int tm6000_init (struct tm6000_core *dev);
	210	int tm6000_init_after_firmware (struct tm6000_core *dev);
	211
	212	int tm6000_init_analog_mode (struct tm6000_core *dev);
3169c9b2	213	int tm6000_init_digital_mode (struct tm6000_core *dev);
9701dc94 MCC	214	int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate);
9701dc94 MCC	215
3169c9b2 ML	216	int tm6000_dvb_register(struct tm6000_core *dev);
	217	void tm6000_dvb_unregister(struct tm6000_core *dev);
	218
9701dc94 MCC	219	int tm6000_v4l2_register(struct tm6000_core *dev);
	220	int tm6000_v4l2_unregister(struct tm6000_core *dev);
	221	int tm6000_v4l2_exit(void);
	222	void tm6000_set_fourcc_format(struct tm6000_core *dev);
	223
5200401a MCC	224	/* In tm6000-stds.c */
	225	void tm6000_get_std_res(struct tm6000_core *dev);
	226	int tm6000_set_standard (struct tm6000_core dev, v4l2_std_id norm);
	227
9701dc94 MCC	228	/* In tm6000-i2c.c */
	229	int tm6000_i2c_register(struct tm6000_core *dev);
	230	int tm6000_i2c_unregister(struct tm6000_core *dev);
	231	void tm6000_i2c_call_clients(struct tm6000_core *dev, unsigned int cmd,
	232	void *arg);
	233
	234	/* In tm6000-queue.c */
	235
	236	int tm6000_v4l2_mmap(struct file filp, struct vm_area_struct vma);
	237
	238	int tm6000_vidioc_streamon(struct file file, void priv,
	239	enum v4l2_buf_type i);
	240	int tm6000_vidioc_streamoff(struct file file, void priv,
	241	enum v4l2_buf_type i);
	242	int tm6000_vidioc_reqbufs (struct file file, void priv,
	243	struct v4l2_requestbuffers *rb);
	244	int tm6000_vidioc_querybuf (struct file file, void priv,
	245	struct v4l2_buffer *b);
	246	int tm6000_vidioc_qbuf (struct file file, void priv, struct v4l2_buffer *b);
	247	int tm6000_vidioc_dqbuf (struct file file, void priv, struct v4l2_buffer *b);
	248	ssize_t tm6000_v4l2_read(struct file filp, char __user buf, size_t count,
	249	loff_t * f_pos);
	250	unsigned int tm6000_v4l2_poll(struct file *file,
	251	struct poll_table_struct *wait);
	252	int tm6000_queue_init(struct tm6000_core *dev);
	253
576d5739 MCC	254	/* In tm6000-alsa.c */
	255	int tm6000_audio_init(struct tm6000_core *dev, int idx);
	256
	257
9701dc94 MCC	258	/* Debug stuff */
	259
	260	extern int tm6000_debug;
	261
	262	#define dprintk(dev, level, fmt, arg...) do {\
	263	if (tm6000_debug & level) \
	264	printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
	265	dev->name, __FUNCTION__ , ##arg); } while (0)
	266
	267	#define V4L2_DEBUG_REG 0x0004
	268	#define V4L2_DEBUG_I2C 0x0008
	269	#define V4L2_DEBUG_QUEUE 0x0010
	270	#define V4L2_DEBUG_ISOC 0x0020
	271	#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
	272	#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */
	273
	274	#define tm6000_err(fmt, arg...) do {\
	275	printk(KERN_ERR "tm6000 %s :"fmt, \
	276	__FUNCTION__ , ##arg); } while (0)
	277
	278