[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,
};


/* ------------------------------------------------------------------
	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;
	struct timer_list      timeout;

	/* 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;
};

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 */

	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 */

	/* 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 */
extern unsigned long tm6000_devused;

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);
void tm6000_get_std_res(struct tm6000_core *dev);
int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm);
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-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);

/* 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
9701dc94 MCC	48
	49	/* ------------------------------------------------------------------
	50	Basic structures
	51	------------------------------------------------------------------*/
	52
	53	struct tm6000_fmt {
	54	char *name;
	55	u32 fourcc; /* v4l2 format id */
	56	int depth;
	57	};
	58
	59	/* buffer for one video frame */
	60	struct tm6000_buffer {
	61	/* common v4l buffer stuff -- must be first */
	62	struct videobuf_buffer vb;
	63
	64	struct tm6000_fmt *fmt;
	65	};
	66
	67	struct tm6000_dmaqueue {
	68	struct list_head active;
	69	struct list_head queued;
	70	struct timer_list timeout;
	71
	72	/* thread for generating video stream*/
	73	struct task_struct *kthread;
	74	wait_queue_head_t wq;
	75	/* Counters to control fps rate */
	76	int frame;
	77	int ini_jiffies;
	78	};
	79
	80	/* device states */
	81	enum tm6000_core_state {
	82	DEV_INITIALIZED = 0x01,
	83	DEV_DISCONNECTED = 0x02,
	84	DEV_MISCONFIGURED = 0x04,
	85	};
	86
	87	/* io methods */
	88	enum tm6000_io_method {
	89	IO_NONE,
	90	IO_READ,
	91	IO_MMAP,
	92	};
	93
	94	enum tm6000_mode {
	95	TM6000_MODE_UNKNOWN=0,
	96	TM6000_MODE_ANALOG,
	97	TM6000_MODE_DIGITAL,
	98	};
	99
	100	struct tm6000_capabilities {
	101	unsigned int has_tuner:1;
	102	unsigned int has_tda9874:1;
	103	unsigned int has_dvb:1;
	104	unsigned int has_zl10353:1;
	105	unsigned int has_eeprom:1;
	106	};
	107
3169c9b2 ML	108	struct tm6000_dvb {
	109	struct dvb_adapter adapter;
	110	struct dvb_demux demux;
	111	struct dvb_frontend *frontend;
	112	struct dmxdev dmxdev;
	113	unsigned int streams;
	114	struct urb *bulk_urb;
	115	struct mutex mutex;
	116	};
	117
9701dc94 MCC	118	struct tm6000_core {
	119	/* generic device properties */
	120	char name[30]; /* name (including minor) of the device */
	121	int model; /* index in the device_data struct */
	122	int devno; /* marks the number of this device */
3169c9b2 ML	123
3169c9b2 ML	124	v4l2_std_id norm; /* Current norm */
4475c044	125	int width,height; /* Selected resolution */
9701dc94 MCC	126
	127	enum tm6000_core_state state;
	128
	129	/* Device Capabilities*/
	130	struct tm6000_capabilities caps;
	131
	132	/* Tuner configuration */
95a83824 ML	133	int tuner_type; /* type of the tuner */
	134	int tuner_addr; /* tuner address */
	135	int tuner_reset_gpio; /* GPIO used for tuner reset */
	136
	137	/* Demodulator configuration */
	138	int demod_addr; /* demodulator address */
9701dc94 MCC	139
	140	/* i2c i/o */
	141	struct i2c_adapter i2c_adap;
	142	struct i2c_client i2c_client;
	143
	144	/* video for linux */
	145	struct list_head tm6000_corelist;
	146	int users;
	147
	148	/* various device info */
	149	unsigned int resources;
7c3f53ec	150	struct video_device *vfd;
9701dc94 MCC	151	struct tm6000_dmaqueue vidq;
	152
	153	int input;
	154	int freq;
	155	unsigned int fourcc;
	156
	157	enum tm6000_mode mode;
	158
3169c9b2 ML	159	/* DVB-T support */
	160	struct tm6000_dvb *dvb;
	161
9701dc94 MCC	162	/* locks */
	163	struct mutex lock;
	164
	165	/* usb transfer */
	166	struct usb_device udev; / the usb device */
	167
	168	struct usb_host_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
	169	unsigned int max_bulk_in, max_bulk_out;
	170	unsigned int max_isoc_in, max_isoc_out;
	171
	172	/* scaler!=0 if scaler is active*/
	173	int scaler;
	174
	175	/* Isoc control struct */
	176	struct usb_isoc_ctl isoc_ctl;
	177
	178	spinlock_t slock;
	179	};
	180
	181	struct tm6000_fh {
	182	struct tm6000_core *dev;
	183
	184	/* video capture */
	185	struct tm6000_fmt *fmt;
	186	unsigned int width,height;
	187	struct videobuf_queue vb_vidq;
	188
	189	enum v4l2_buf_type type;
	190	};
	191
	192	#define TM6000_STD V4L2_STD_PAL\|V4L2_STD_PAL_N\|V4L2_STD_PAL_Nc\| \
	193	V4L2_STD_PAL_M\|V4L2_STD_PAL_60\|V4L2_STD_NTSC_M\| \
	194	V4L2_STD_NTSC_M_JP\|V4L2_STD_SECAM
	195
	196	/* In tm6000-core.c */
	197	extern unsigned long tm6000_devused;
	198
	199	int tm6000_read_write_usb (struct tm6000_core *dev, u8 reqtype, u8 req,
	200	u16 value, u16 index, u8 *buf, u16 len);
	201	int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
	202	int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
	203	int tm6000_init (struct tm6000_core *dev);
	204	int tm6000_init_after_firmware (struct tm6000_core *dev);
	205
	206	int tm6000_init_analog_mode (struct tm6000_core *dev);
3169c9b2	207	int tm6000_init_digital_mode (struct tm6000_core *dev);
4475c044	208	void tm6000_get_std_res(struct tm6000_core *dev);
9701dc94 MCC	209	int tm6000_set_standard (struct tm6000_core dev, v4l2_std_id norm);
	210	int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate);
	211
3169c9b2 ML	212	int tm6000_dvb_register(struct tm6000_core *dev);
	213	void tm6000_dvb_unregister(struct tm6000_core *dev);
	214
9701dc94 MCC	215	int tm6000_v4l2_register(struct tm6000_core *dev);
	216	int tm6000_v4l2_unregister(struct tm6000_core *dev);
	217	int tm6000_v4l2_exit(void);
	218	void tm6000_set_fourcc_format(struct tm6000_core *dev);
	219
	220	/* In tm6000-i2c.c */
	221	int tm6000_i2c_register(struct tm6000_core *dev);
	222	int tm6000_i2c_unregister(struct tm6000_core *dev);
	223	void tm6000_i2c_call_clients(struct tm6000_core *dev, unsigned int cmd,
	224	void *arg);
	225
	226	/* In tm6000-queue.c */
	227
	228	int tm6000_v4l2_mmap(struct file filp, struct vm_area_struct vma);
	229
	230	int tm6000_vidioc_streamon(struct file file, void priv,
	231	enum v4l2_buf_type i);
	232	int tm6000_vidioc_streamoff(struct file file, void priv,
	233	enum v4l2_buf_type i);
	234	int tm6000_vidioc_reqbufs (struct file file, void priv,
	235	struct v4l2_requestbuffers *rb);
	236	int tm6000_vidioc_querybuf (struct file file, void priv,
	237	struct v4l2_buffer *b);
	238	int tm6000_vidioc_qbuf (struct file file, void priv, struct v4l2_buffer *b);
	239	int tm6000_vidioc_dqbuf (struct file file, void priv, struct v4l2_buffer *b);
	240	ssize_t tm6000_v4l2_read(struct file filp, char __user buf, size_t count,
	241	loff_t * f_pos);
	242	unsigned int tm6000_v4l2_poll(struct file *file,
	243	struct poll_table_struct *wait);
	244	int tm6000_queue_init(struct tm6000_core *dev);
	245
	246	/* Debug stuff */
	247
	248	extern int tm6000_debug;
	249
	250	#define dprintk(dev, level, fmt, arg...) do {\
	251	if (tm6000_debug & level) \
	252	printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
	253	dev->name, __FUNCTION__ , ##arg); } while (0)
	254
	255	#define V4L2_DEBUG_REG 0x0004
	256	#define V4L2_DEBUG_I2C 0x0008
	257	#define V4L2_DEBUG_QUEUE 0x0010
	258	#define V4L2_DEBUG_ISOC 0x0020
	259	#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
	260	#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */
	261
	262	#define tm6000_err(fmt, arg...) do {\
	263	printk(KERN_ERR "tm6000 %s :"fmt, \
	264	__FUNCTION__ , ##arg); } while (0)
	265
	266