[mirror_ubuntu-artful-kernel.git] / drivers / media / video / au0828 / au0828.h

/*
 *  Driver for the Auvitek AU0828 USB bridge
 *
 *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
 *
 *  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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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.
 */

#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <media/tveeprom.h>

/* Analog */
#include <linux/videodev2.h>
#include <media/videobuf-vmalloc.h>

/* DVB */
#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"

#include "au0828-reg.h"
#include "au0828-cards.h"

#define DRIVER_NAME "au0828"
#define URB_COUNT   16
#define URB_BUFSIZE (0xe522)

/* Analog constants */
#define NTSC_STD_W      720
#define NTSC_STD_H      480

#define AU0828_INTERLACED_DEFAULT       1
#define V4L2_CID_PRIVATE_SHARPNESS  (V4L2_CID_PRIVATE_BASE + 0)

/* Defination for AU0828 USB transfer */
#define AU0828_MAX_ISO_BUFS    12  /* maybe resize this value in the future */
#define AU0828_ISO_PACKETS_PER_URB      10
#define AU0828_ISO_MAX_FRAME_SIZE       (3 * 1024)
#define AU0828_ISO_BUFFER_SIZE          (AU0828_ISO_PACKETS_PER_URB * AU0828_ISO_MAX_FRAME_SIZE)

#define AU0828_MIN_BUF 4
#define AU0828_DEF_BUF 8

#define AU0828_MAX_IMAGES       10
#define AU0828_FRAME_SIZE       (1028 * 1024 * 4)
#define AU0828_URB_TIMEOUT      msecs_to_jiffies(AU0828_MAX_ISO_BUFS * AU0828_ISO_PACKETS_PER_URB)

#define AU0828_MAX_INPUT        4

enum au0828_itype {
	AU0828_VMUX_COMPOSITE = 1,
	AU0828_VMUX_SVIDEO,
	AU0828_VMUX_CABLE,
	AU0828_VMUX_TELEVISION,
	AU0828_VMUX_DVB,
	AU0828_VMUX_DEBUG
};

struct au0828_input {
	enum au0828_itype type;
	unsigned int vmux;
	unsigned int amux;
	void (*audio_setup) (void *priv, int enable);
};

struct au0828_board {
	char *name;
	struct au0828_input input[AU0828_MAX_INPUT];

};

struct au0828_dvb {
	struct mutex lock;
	struct dvb_adapter adapter;
	struct dvb_frontend *frontend;
	struct dvb_demux demux;
	struct dmxdev dmxdev;
	struct dmx_frontend fe_hw;
	struct dmx_frontend fe_mem;
	struct dvb_net net;
	int feeding;
};

enum au0828_stream_state {
	STREAM_OFF,
	STREAM_INTERRUPT,
	STREAM_ON
};

#define AUVI_INPUT(nr) (&au0828_boards[dev->board].input[nr])

/* device state */
enum au0828_dev_state {
	DEV_INITIALIZED = 0x01,
	DEV_DISCONNECTED = 0x02,
	DEV_MISCONFIGURED = 0x04
};

struct au0828_fh {
	struct au0828_dev *dev;
	unsigned int  stream_on:1;	/* Locks streams */
	struct videobuf_queue        vb_vidq;
	enum v4l2_buf_type           type;
};

struct au0828_usb_isoc_ctl {
		/* max packet size of isoc transaction */
	int				max_pkt_size;

		/* number of allocated urbs */
	int				num_bufs;

		/* urb for isoc transfers */
	struct urb			**urb;

		/* transfer buffers for isoc transfer */
	char				**transfer_buffer;

		/* Last buffer command and region */
	u8				cmd;
	int				pos, size, pktsize;

		/* Last field: ODD or EVEN? */
	int				field;

		/* Stores incomplete commands */
	u32				tmp_buf;
	int				tmp_buf_len;

		/* Stores already requested buffers */
	struct au0828_buffer    	*buf;

		/* Stores the number of received fields */
	int				nfields;

		/* isoc urb callback */
	int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb);

};

/* buffer for one video frame */
struct au0828_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

	struct list_head frame;
	int top_field;
	int receiving;
};

struct au0828_dmaqueue {
	struct list_head       active;
	struct list_head       queued;

	wait_queue_head_t          wq;

	/* Counters to control buffer fill */
	int                        pos;
};

struct au0828_dev {
	struct mutex mutex;
	struct usb_device	*usbdev;
	int			board;
	u8			ctrlmsg[64];

	/* I2C */
	struct i2c_adapter		i2c_adap;
	struct i2c_algo_bit_data	i2c_algo;
	struct i2c_client		i2c_client;
	u32 				i2c_rc;

	/* Digital */
	struct au0828_dvb		dvb;

	/* Analog */
	struct list_head au0828list;
	int users;
	unsigned int stream_on:1;	/* Locks streams */
	struct video_device *vdev;
	struct video_device *vbi_dev;
	int width;
	int height;
	u32 field_size;
	u32 frame_size;
	u32 bytesperline;
	int type;
	u8 ctrl_ainput;
	__u8 isoc_in_endpointaddr;
	u8 isoc_init_ok;
	int greenscreen_detected;
	unsigned int frame_count;
	int ctrl_freq;
	int input_type;
	unsigned int ctrl_input;
	enum au0828_dev_state dev_state;
	enum au0828_stream_state stream_state;
	wait_queue_head_t open;

	struct mutex lock;

	/* Isoc control struct */
	struct au0828_dmaqueue vidq;
	struct au0828_usb_isoc_ctl isoc_ctl;
	spinlock_t slock;

	/* usb transfer */
	int alt;		/* alternate */
	int max_pkt_size;	/* max packet size of isoc transaction */
	int num_alt;		/* Number of alternative settings */
	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
	struct urb *urb[AU0828_MAX_ISO_BUFS];	/* urb for isoc transfers */
	char *transfer_buffer[AU0828_MAX_ISO_BUFS];/* transfer buffers for isoc
						   transfer */

	/* USB / URB Related */
	int		urb_streaming;
	struct urb	*urbs[URB_COUNT];
};

/* ----------------------------------------------------------- */
#define au0828_read(dev, reg) au0828_readreg(dev, reg)
#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
#define au0828_andor(dev, reg, mask, value) 				\
	 au0828_writereg(dev, reg, 					\
	(au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))

#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)

/* ----------------------------------------------------------- */
/* au0828-core.c */
extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
extern int au0828_debug;

/* ----------------------------------------------------------- */
/* au0828-cards.c */
extern struct au0828_board au0828_boards[];
extern struct usb_device_id au0828_usb_id_table[];
extern void au0828_gpio_setup(struct au0828_dev *dev);
extern int au0828_tuner_callback(void *priv, int component,
				 int command, int arg);
extern void au0828_card_setup(struct au0828_dev *dev);

/* ----------------------------------------------------------- */
/* au0828-i2c.c */
extern int au0828_i2c_register(struct au0828_dev *dev);
extern int au0828_i2c_unregister(struct au0828_dev *dev);
extern void au0828_call_i2c_clients(struct au0828_dev *dev,
	unsigned int cmd, void *arg);

/* ----------------------------------------------------------- */
/* au0828-video.c */
int au0828_analog_register(struct au0828_dev *dev);
int au0828_analog_stream_disable(struct au0828_dev *d);
void au0828_analog_unregister(struct au0828_dev *dev);

/* ----------------------------------------------------------- */
/* au0828-dvb.c */
extern int au0828_dvb_register(struct au0828_dev *dev);
extern void au0828_dvb_unregister(struct au0828_dev *dev);

#define dprintk(level, fmt, arg...)\
	do { if (au0828_debug & level)\
		printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
	} while (0)
Commit	Line	Data
265a6510 ST	1	/*
	2	* Driver for the Auvitek AU0828 USB bridge
	3	*
6d897616	4	* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
265a6510 ST	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#include <linux/usb.h>
	23	#include <linux/i2c.h>
	24	#include <linux/i2c-algo-bit.h>
28930fa9	25	#include <media/tveeprom.h>
265a6510	26
8b2f0795 DH	27	/* Analog */
	28	#include <linux/videodev2.h>
	29	#include <media/videobuf-vmalloc.h>
	30
265a6510 ST	31	/* DVB */
	32	#include "demux.h"
	33	#include "dmxdev.h"
	34	#include "dvb_demux.h"
	35	#include "dvb_frontend.h"
	36	#include "dvb_net.h"
	37	#include "dvbdev.h"
	38
	39	#include "au0828-reg.h"
	40	#include "au0828-cards.h"
	41
	42	#define DRIVER_NAME "au0828"
	43	#define URB_COUNT 16
265a6510 ST	44	#define URB_BUFSIZE (0xe522)
265a6510 ST	45
8b2f0795 DH	46	/* Analog constants */
	47	#define NTSC_STD_W 720
	48	#define NTSC_STD_H 480
	49
	50	#define AU0828_INTERLACED_DEFAULT 1
	51	#define V4L2_CID_PRIVATE_SHARPNESS (V4L2_CID_PRIVATE_BASE + 0)
	52
	53	/* Defination for AU0828 USB transfer */
	54	#define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */
	55	#define AU0828_ISO_PACKETS_PER_URB 10
	56	#define AU0828_ISO_MAX_FRAME_SIZE (3 * 1024)
	57	#define AU0828_ISO_BUFFER_SIZE (AU0828_ISO_PACKETS_PER_URB * AU0828_ISO_MAX_FRAME_SIZE)
	58
	59	#define AU0828_MIN_BUF 4
	60	#define AU0828_DEF_BUF 8
	61
	62	#define AU0828_MAX_IMAGES 10
	63	#define AU0828_FRAME_SIZE (1028 * 1024 * 4)
	64	#define AU0828_URB_TIMEOUT msecs_to_jiffies(AU0828_MAX_ISO_BUFS * AU0828_ISO_PACKETS_PER_URB)
	65
	66	#define AU0828_MAX_INPUT 4
	67
	68	enum au0828_itype {
	69	AU0828_VMUX_COMPOSITE = 1,
	70	AU0828_VMUX_SVIDEO,
	71	AU0828_VMUX_CABLE,
	72	AU0828_VMUX_TELEVISION,
	73	AU0828_VMUX_DVB,
	74	AU0828_VMUX_DEBUG
	75	};
	76
	77	struct au0828_input {
	78	enum au0828_itype type;
	79	unsigned int vmux;
	80	unsigned int amux;
	81	void (audio_setup) (void priv, int enable);
	82	};
	83
265a6510 ST	84	struct au0828_board {
265a6510 ST	85	char *name;
8b2f0795 DH	86	struct au0828_input input[AU0828_MAX_INPUT];
8b2f0795 DH	87
265a6510 ST	88	};
	89
	90	struct au0828_dvb {
	91	struct mutex lock;
	92	struct dvb_adapter adapter;
	93	struct dvb_frontend *frontend;
	94	struct dvb_demux demux;
	95	struct dmxdev dmxdev;
	96	struct dmx_frontend fe_hw;
	97	struct dmx_frontend fe_mem;
	98	struct dvb_net net;
	99	int feeding;
	100	};
	101
8b2f0795 DH	102	enum au0828_stream_state {
	103	STREAM_OFF,
	104	STREAM_INTERRUPT,
	105	STREAM_ON
	106	};
	107
	108	#define AUVI_INPUT(nr) (&au0828_boards[dev->board].input[nr])
	109
	110	/* device state */
	111	enum au0828_dev_state {
	112	DEV_INITIALIZED = 0x01,
	113	DEV_DISCONNECTED = 0x02,
	114	DEV_MISCONFIGURED = 0x04
	115	};
	116
	117	struct au0828_fh {
	118	struct au0828_dev *dev;
	119	unsigned int stream_on:1; /* Locks streams */
	120	struct videobuf_queue vb_vidq;
	121	enum v4l2_buf_type type;
	122	};
	123
	124	struct au0828_usb_isoc_ctl {
	125	/* max packet size of isoc transaction */
	126	int max_pkt_size;
	127
	128	/* number of allocated urbs */
	129	int num_bufs;
	130
	131	/* urb for isoc transfers */
	132	struct urb **urb;
	133
	134	/* transfer buffers for isoc transfer */
	135	char **transfer_buffer;
	136
	137	/* Last buffer command and region */
	138	u8 cmd;
	139	int pos, size, pktsize;
	140
	141	/* Last field: ODD or EVEN? */
	142	int field;
	143
	144	/* Stores incomplete commands */
	145	u32 tmp_buf;
	146	int tmp_buf_len;
	147
	148	/* Stores already requested buffers */
	149	struct au0828_buffer *buf;
	150
	151	/* Stores the number of received fields */
	152	int nfields;
	153
	154	/* isoc urb callback */
	155	int (isoc_copy) (struct au0828_dev dev, struct urb *urb);
	156
	157	};
	158
	159	/* buffer for one video frame */
	160	struct au0828_buffer {
	161	/* common v4l buffer stuff -- must be first */
	162	struct videobuf_buffer vb;
	163
	164	struct list_head frame;
	165	int top_field;
166	int receiving;
167	};
168
169	struct au0828_dmaqueue {
170	struct list_head active;
171	struct list_head queued;
172
173	wait_queue_head_t wq;
174
175	/* Counters to control buffer fill */
176	int pos;
177	};
178
265a6510 ST	179	struct au0828_dev {
	180	struct mutex mutex;
	181	struct usb_device *usbdev;
	182	int board;
	183	u8 ctrlmsg[64];
	184
	185	/* I2C */
	186	struct i2c_adapter i2c_adap;
	187	struct i2c_algo_bit_data i2c_algo;
	188	struct i2c_client i2c_client;
	189	u32 i2c_rc;
	190
	191	/* Digital */
	192	struct au0828_dvb dvb;
	193
8b2f0795 DH	194	/* Analog */
	195	struct list_head au0828list;
	196	int users;
	197	unsigned int stream_on:1; /* Locks streams */
	198	struct video_device *vdev;
	199	struct video_device *vbi_dev;
	200	int width;
	201	int height;
	202	u32 field_size;
	203	u32 frame_size;
	204	u32 bytesperline;
	205	int type;
	206	u8 ctrl_ainput;
	207	__u8 isoc_in_endpointaddr;
	208	u8 isoc_init_ok;
	209	int greenscreen_detected;
	210	unsigned int frame_count;
	211	int ctrl_freq;
	212	int input_type;
	213	unsigned int ctrl_input;
	214	enum au0828_dev_state dev_state;
	215	enum au0828_stream_state stream_state;
	216	wait_queue_head_t open;
	217
	218	struct mutex lock;
	219
	220	/* Isoc control struct */
	221	struct au0828_dmaqueue vidq;
	222	struct au0828_usb_isoc_ctl isoc_ctl;
	223	spinlock_t slock;
	224
	225	/* usb transfer */
	226	int alt; /* alternate */
	227	int max_pkt_size; /* max packet size of isoc transaction */
	228	int num_alt; /* Number of alternative settings */
	229	unsigned int alt_max_pkt_size; / array of wMaxPacketSize */
	230	struct urb urb[AU0828_MAX_ISO_BUFS]; / urb for isoc transfers */
	231	char transfer_buffer[AU0828_MAX_ISO_BUFS];/ transfer buffers for isoc
	232	transfer */
	233
265a6510 ST	234	/* USB / URB Related */
	235	int urb_streaming;
	236	struct urb *urbs[URB_COUNT];
265a6510 ST	237	};
	238
	239	/* ----------------------------------------------------------- */
18d73c58 MCC	240	#define au0828_read(dev, reg) au0828_readreg(dev, reg)
	241	#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
	242	#define au0828_andor(dev, reg, mask, value) \
	243	au0828_writereg(dev, reg, \
	244	(au0828_readreg(dev, reg) & ~(mask)) \| ((value) & (mask)))
	245
	246	#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
	247	#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
265a6510 ST	248
	249	/* ----------------------------------------------------------- */
	250	/* au0828-core.c */
	251	extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
	252	extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
b33d24c4	253	extern int au0828_debug;
265a6510 ST	254
	255	/* ----------------------------------------------------------- */
	256	/* au0828-cards.c */
	257	extern struct au0828_board au0828_boards[];
	258	extern struct usb_device_id au0828_usb_id_table[];
265a6510	259	extern void au0828_gpio_setup(struct au0828_dev *dev);
d7cba043 MK	260	extern int au0828_tuner_callback(void *priv, int component,
d7cba043 MK	261	int command, int arg);
28930fa9	262	extern void au0828_card_setup(struct au0828_dev *dev);
265a6510 ST	263
	264	/* ----------------------------------------------------------- */
	265	/* au0828-i2c.c */
	266	extern int au0828_i2c_register(struct au0828_dev *dev);
	267	extern int au0828_i2c_unregister(struct au0828_dev *dev);
	268	extern void au0828_call_i2c_clients(struct au0828_dev *dev,
	269	unsigned int cmd, void *arg);
	270
8b2f0795 DH	271	/* ----------------------------------------------------------- */
	272	/* au0828-video.c */
	273	int au0828_analog_register(struct au0828_dev *dev);
	274	int au0828_analog_stream_disable(struct au0828_dev *d);
	275	void au0828_analog_unregister(struct au0828_dev *dev);
	276
265a6510 ST	277	/* ----------------------------------------------------------- */
	278	/* au0828-dvb.c */
	279	extern int au0828_dvb_register(struct au0828_dev *dev);
	280	extern void au0828_dvb_unregister(struct au0828_dev *dev);
bc3c613c ST	281
bc3c613c ST	282	#define dprintk(level, fmt, arg...)\
b33d24c4	283	do { if (au0828_debug & level)\
bc3c613c ST	284	printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
bc3c613c ST	285	} while (0)