em28xx.h 21.0 KB
Newer Older
1
/*
2
   em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices
3 4

   Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com>
5
		      Ludovico Cavedon <cavedon@sssup.it>
6
		      Mauro Carvalho Chehab <mchehab@infradead.org>
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

   Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de>

   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.
 */

25 26
#ifndef _EM28XX_H
#define _EM28XX_H
27

28
#include <linux/videodev2.h>
29
#include <media/videobuf-vmalloc.h>
30
#include <media/v4l2-device.h>
31

32
#include <linux/i2c.h>
33
#include <linux/mutex.h>
34
#include <media/ir-kbd-i2c.h>
35 36 37
#if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
#include <media/videobuf-dvb.h>
#endif
38
#include "tuner-xc2028.h"
39
#include "em28xx-reg.h"
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

/* Boards supported by driver */
#define EM2800_BOARD_UNKNOWN			0
#define EM2820_BOARD_UNKNOWN			1
#define EM2820_BOARD_TERRATEC_CINERGY_250	2
#define EM2820_BOARD_PINNACLE_USB_2		3
#define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2      4
#define EM2820_BOARD_MSI_VOX_USB_2              5
#define EM2800_BOARD_TERRATEC_CINERGY_200       6
#define EM2800_BOARD_LEADTEK_WINFAST_USBII      7
#define EM2800_BOARD_KWORLD_USB2800             8
#define EM2820_BOARD_PINNACLE_DVC_90		9
#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900	10
#define EM2880_BOARD_TERRATEC_HYBRID_XS		11
#define EM2820_BOARD_KWORLD_PVRTV2800RF		12
#define EM2880_BOARD_TERRATEC_PRODIGY_XS	13
#define EM2820_BOARD_PROLINK_PLAYTV_USB2	14
#define EM2800_BOARD_VGEAR_POCKETTV             15
58
#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950	16
59
#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO	17
60
#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2	18
61
#define EM2860_BOARD_SAA711X_REFERENCE_DESIGN	19
62
#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600   20
63
#define EM2800_BOARD_GRABBEEX_USB2800           21
64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
#define EM2750_BOARD_UNKNOWN			  22
#define EM2750_BOARD_DLCW_130			  23
#define EM2820_BOARD_DLINK_USB_TV		  24
#define EM2820_BOARD_GADMEI_UTV310		  25
#define EM2820_BOARD_HERCULES_SMART_TV_USB2	  26
#define EM2820_BOARD_PINNACLE_USB_2_FM1216ME	  27
#define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28
#define EM2820_BOARD_VIDEOLOGY_20K14XUSB	  30
#define EM2821_BOARD_USBGEAR_VD204		  31
#define EM2821_BOARD_SUPERCOMP_USB_2		  32
#define EM2860_BOARD_TERRATEC_HYBRID_XS		  34
#define EM2860_BOARD_TYPHOON_DVD_MAKER		  35
#define EM2860_BOARD_NETGMBH_CAM		  36
#define EM2860_BOARD_GADMEI_UTV330		  37
#define EM2861_BOARD_YAKUMO_MOVIE_MIXER		  38
#define EM2861_BOARD_KWORLD_PVRTV_300U		  39
#define EM2861_BOARD_PLEXTOR_PX_TV100U		  40
#define EM2870_BOARD_KWORLD_350U		  41
#define EM2870_BOARD_KWORLD_355U		  42
#define EM2870_BOARD_TERRATEC_XS		  43
#define EM2870_BOARD_TERRATEC_XS_MT2060		  44
#define EM2870_BOARD_PINNACLE_PCTV_DVB		  45
#define EM2870_BOARD_COMPRO_VIDEOMATE		  46
#define EM2880_BOARD_KWORLD_DVB_305U		  47
#define EM2880_BOARD_KWORLD_DVB_310U		  48
#define EM2880_BOARD_MSI_DIGIVOX_AD		  49
#define EM2880_BOARD_MSI_DIGIVOX_AD_II		  50
#define EM2880_BOARD_TERRATEC_HYBRID_XS_FR	  51
#define EM2881_BOARD_DNT_DA2_HYBRID		  52
#define EM2881_BOARD_PINNACLE_HYBRID_PRO	  53
#define EM2882_BOARD_KWORLD_VS_DVBT		  54
#define EM2882_BOARD_TERRATEC_HYBRID_XS		  55
#define EM2882_BOARD_PINNACLE_HYBRID_PRO	  56
97
#define EM2883_BOARD_KWORLD_HYBRID_330U                  57
98
#define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU	  58
99
#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850	  60
100
#define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2	  61
101
#define EM2820_BOARD_GADMEI_TVR200		  62
102 103
#define EM2860_BOARD_KAIOMY_TVNPC_U2              63
#define EM2860_BOARD_EASYCAP                      64
104
#define EM2820_BOARD_IODATA_GVMVP_SZ		  65
105
#define EM2880_BOARD_EMPIRE_DUAL_TV		  66
106
#define EM2860_BOARD_TERRATEC_GRABBY		  67
107
#define EM2860_BOARD_TERRATEC_AV350		  68
108
#define EM2882_BOARD_KWORLD_ATSC_315U		  69
109
#define EM2882_BOARD_EVGA_INDTUBE		  70
110 111 112 113

/* Limits minimum and default number of buffers */
#define EM28XX_MIN_BUF 4
#define EM28XX_DEF_BUF 8
114

115 116 117
/*Limits the max URB message size */
#define URB_MAX_CTRL_SIZE 80

118 119 120 121
/* Params for validated field */
#define EM28XX_BOARD_NOT_VALIDATED 1
#define EM28XX_BOARD_VALIDATED	   0

122 123 124 125
/* Params for em28xx_cmd() audio */
#define EM28XX_START_AUDIO      1
#define EM28XX_STOP_AUDIO       0

126
/* maximum number of em28xx boards */
127
#define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */
128

129
/* maximum number of frames that can be queued */
130
#define EM28XX_NUM_FRAMES 5
131
/* number of frames that get used for v4l2_read() */
132
#define EM28XX_NUM_READ_FRAMES 2
133 134

/* number of buffers for isoc transfers */
135
#define EM28XX_NUM_BUFS 5
136

137 138 139 140
/* number of packets for each buffer
   windows requests only 40 packets .. so we better do the same
   this is what I found out for all alternate numbers there!
 */
141
#define EM28XX_NUM_PACKETS 40
142 143

/* default alternate; 0 means choose the best */
144
#define EM28XX_PINOUT 0
145

146
#define EM28XX_INTERLACED_DEFAULT 1
147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169

/*
#define (use usbview if you want to get the other alternate number infos)
#define
#define alternate number 2
#define 			Endpoint Address: 82
			Direction: in
			Attribute: 1
			Type: Isoc
			Max Packet Size: 1448
			Interval: 125us

  alternate number 7

			Endpoint Address: 82
			Direction: in
			Attribute: 1
			Type: Isoc
			Max Packet Size: 3072
			Interval: 125us
*/

/* time to wait when stopping the isoc transfer */
170 171
#define EM28XX_URB_TIMEOUT \
			msecs_to_jiffies(EM28XX_NUM_BUFS * EM28XX_NUM_PACKETS)
172

173 174 175
/* time in msecs to wait for i2c writes to finish */
#define EM2800_I2C_WRITE_TIMEOUT 20

176
enum em28xx_mode {
177
	EM28XX_SUSPEND,
178 179 180 181
	EM28XX_ANALOG_MODE,
	EM28XX_DIGITAL_MODE,
};

182
enum em28xx_stream_state {
183 184 185 186 187
	STREAM_OFF,
	STREAM_INTERRUPT,
	STREAM_ON,
};

188 189
struct em28xx;

190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
struct em28xx_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 em28xx_buffer    	*buf;

		/* Stores the number of received fields */
	int				nfields;
219 220 221 222

		/* isoc urb callback */
	int (*isoc_copy) (struct em28xx *dev, struct urb *urb);

223 224
};

225
/* Struct to enumberate video formats */
226 227 228
struct em28xx_fmt {
	char  *name;
	u32   fourcc;          /* v4l2 format id */
229 230
	int   depth;
	int   reg;
231 232 233 234 235 236 237
};

/* buffer for one video frame */
struct em28xx_buffer {
	/* common v4l buffer stuff -- must be first */
	struct videobuf_buffer vb;

238 239
	struct list_head frame;
	int top_field;
240 241 242 243 244 245 246 247 248 249 250
	int receiving;
};

struct em28xx_dmaqueue {
	struct list_head       active;
	struct list_head       queued;

	wait_queue_head_t          wq;

	/* Counters to control buffer fill */
	int                        pos;
251 252 253
};

/* io methods */
254
enum em28xx_io_method {
255 256 257 258 259 260 261
	IO_NONE,
	IO_READ,
	IO_MMAP,
};

/* inputs */

262 263 264 265 266 267 268 269 270 271 272 273
#define MAX_EM28XX_INPUT 4
enum enum28xx_itype {
	EM28XX_VMUX_COMPOSITE1 = 1,
	EM28XX_VMUX_COMPOSITE2,
	EM28XX_VMUX_COMPOSITE3,
	EM28XX_VMUX_COMPOSITE4,
	EM28XX_VMUX_SVIDEO,
	EM28XX_VMUX_TELEVISION,
	EM28XX_VMUX_CABLE,
	EM28XX_VMUX_DVB,
	EM28XX_VMUX_DEBUG,
	EM28XX_RADIO,
274 275
};

276 277 278
enum em28xx_ac97_mode {
	EM28XX_NO_AC97 = 0,
	EM28XX_AC97_EM202,
279
	EM28XX_AC97_SIGMATEL,
280 281 282 283 284 285 286
	EM28XX_AC97_OTHER,
};

struct em28xx_audio_mode {
	enum em28xx_ac97_mode ac97;

	u16 ac97_feat;
287
	u32 ac97_vendor_id;
288 289 290 291 292

	unsigned int has_audio:1;

	unsigned int i2s_3rates:1;
	unsigned int i2s_5rates:1;
293 294
};

295 296 297 298 299 300
/* em28xx has two audio inputs: tuner and line in.
   However, on most devices, an auxiliary AC97 codec device is used.
   The AC97 device may have several different inputs and outputs,
   depending on their model. So, it is possible to use AC97 mixer to
   address more than two different entries.
 */
301
enum em28xx_amux {
302 303 304 305 306 307 308 309 310 311 312 313
	/* This is the only entry for em28xx tuner input */
	EM28XX_AMUX_VIDEO,	/* em28xx tuner, AC97 mixer Video */

	EM28XX_AMUX_LINE_IN,	/* AC97 mixer Line In */

	/* Some less-common mixer setups */
	EM28XX_AMUX_VIDEO2,	/* em28xx Line in, AC97 mixer Video */
	EM28XX_AMUX_PHONE,
	EM28XX_AMUX_MIC,
	EM28XX_AMUX_CD,
	EM28XX_AMUX_AUX,
	EM28XX_AMUX_PCM_OUT,
314 315
};

316
enum em28xx_aout {
317
	/* AC97 outputs */
318 319 320 321 322
	EM28XX_AOUT_MASTER = 1 << 0,
	EM28XX_AOUT_LINE   = 1 << 1,
	EM28XX_AOUT_MONO   = 1 << 2,
	EM28XX_AOUT_LFE    = 1 << 3,
	EM28XX_AOUT_SURR   = 1 << 4,
323 324 325 326 327 328 329 330 331 332 333 334 335

	/* PCM IN Mixer - used by AC97_RECORD_SELECT register */
	EM28XX_AOUT_PCM_IN = 1 << 7,

	/* Bits 10-8 are used to indicate the PCM IN record select */
	EM28XX_AOUT_PCM_MIC_PCM = 0 << 8,
	EM28XX_AOUT_PCM_CD	= 1 << 8,
	EM28XX_AOUT_PCM_VIDEO	= 2 << 8,
	EM28XX_AOUT_PCM_AUX	= 3 << 8,
	EM28XX_AOUT_PCM_LINE	= 4 << 8,
	EM28XX_AOUT_PCM_STEREO	= 5 << 8,
	EM28XX_AOUT_PCM_MONO	= 6 << 8,
	EM28XX_AOUT_PCM_PHONE	= 7 << 8,
336 337
};

338
static inline int ac97_return_record_select(int a_out)
339 340 341 342
{
	return (a_out & 0x700) >> 8;
}

343 344 345 346 347 348
struct em28xx_reg_seq {
	int reg;
	unsigned char val, mask;
	int sleep;
};

349 350
struct em28xx_input {
	enum enum28xx_itype type;
351
	unsigned int vmux;
352
	enum em28xx_amux amux;
353
	enum em28xx_aout aout;
354
	struct em28xx_reg_seq *gpio;
355 356
};

357
#define INPUT(nr) (&em28xx_boards[dev->model].input[nr])
358

359
enum em28xx_decoder {
360
	EM28XX_NODECODER,
361
	EM28XX_TVP5150,
362
	EM28XX_SAA711X,
363 364
};

365 366 367 368 369
enum em28xx_adecoder {
	EM28XX_NOADECODER = 0,
	EM28XX_TVAUDIO,
};

370
struct em28xx_board {
371
	char *name;
372
	int vchannels;
373
	int tuner_type;
374
	int tuner_addr;
375 376 377 378

	/* i2c flags */
	unsigned int tda9887_conf;

379
	/* GPIO sequences */
380
	struct em28xx_reg_seq *dvb_gpio;
381
	struct em28xx_reg_seq *suspend_gpio;
382
	struct em28xx_reg_seq *tuner_gpio;
383
	struct em28xx_reg_seq *mute_gpio;
384

385
	unsigned int is_em2800:1;
386
	unsigned int has_msp34xx:1;
387
	unsigned int mts_firmware:1;
388
	unsigned int max_range_640_480:1;
389
	unsigned int has_dvb:1;
390
	unsigned int has_snapshot_button:1;
391
	unsigned int valid:1;
392

393
	unsigned char xclk, i2c_speed;
394 395
	unsigned char radio_addr;
	unsigned short tvaudio_addr;
396

397
	enum em28xx_decoder decoder;
398
	enum em28xx_adecoder adecoder;
399

400
	struct em28xx_input       input[MAX_EM28XX_INPUT];
401
	struct em28xx_input	  radio;
402
	IR_KEYTAB_TYPE            *ir_codes;
403 404
};

405
struct em28xx_eeprom {
406 407 408 409 410 411 412 413 414 415 416 417 418 419
	u32 id;			/* 0x9567eb1a */
	u16 vendor_ID;
	u16 product_ID;

	u16 chip_conf;

	u16 board_conf;

	u16 string1, string2, string3;

	u8 string_idx_table;
};

/* device states */
420
enum em28xx_dev_state {
421 422 423 424 425
	DEV_INITIALIZED = 0x01,
	DEV_DISCONNECTED = 0x02,
	DEV_MISCONFIGURED = 0x04,
};

426 427 428 429
#define EM28XX_AUDIO_BUFS 5
#define EM28XX_NUM_AUDIO_PACKETS 64
#define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */
#define EM28XX_CAPTURE_STREAM_EN 1
430 431

/* em28xx extensions */
432
#define EM28XX_AUDIO   0x10
433
#define EM28XX_DVB     0x20
434 435 436 437 438 439 440 441 442 443 444 445

struct em28xx_audio {
	char name[50];
	char *transfer_buffer[EM28XX_AUDIO_BUFS];
	struct urb *urb[EM28XX_AUDIO_BUFS];
	struct usb_device *udev;
	unsigned int capture_transfer_done;
	struct snd_pcm_substream   *capture_pcm_substream;

	unsigned int hwptr_done_capture;
	struct snd_card            *sndcard;

446
	int users;
447 448 449 450
	enum em28xx_stream_state capture_stream;
	spinlock_t slock;
};

451 452 453 454 455 456 457 458 459 460 461 462
struct em28xx;

struct em28xx_fh {
	struct em28xx *dev;
	unsigned int  stream_on:1;	/* Locks streams */
	int           radio;

	struct videobuf_queue        vb_vidq;

	enum v4l2_buf_type           type;
};

463
/* main device struct */
464
struct em28xx {
465 466 467
	/* generic device properties */
	char name[30];		/* name (including minor) of the device */
	int model;		/* index in the device_data struct */
468
	int devno;		/* marks the number of this device */
469
	enum em28xx_chip_id chip_id;
470

471
	struct v4l2_device v4l2_dev;
472 473
	struct em28xx_board board;

474
	unsigned int stream_on:1;	/* Locks streams */
475
	unsigned int has_audio_class:1;
476
	unsigned int has_alsa_audio:1;
477

478 479
	struct em28xx_fmt *format;

480 481
	struct em28xx_IR *ir;

482 483 484
	/* Some older em28xx chips needs a waiting time after writing */
	unsigned int wait_after_write;

485 486
	struct list_head	devlist;

487 488
	u32 i2s_speed;		/* I2S speed for audio digital stream */

489
	struct em28xx_audio_mode audio_mode;
490 491 492 493 494 495 496 497 498 499

	int tuner_type;		/* type of the tuner */
	int tuner_addr;		/* tuner address */
	int tda9887_conf;
	/* i2c i/o */
	struct i2c_adapter i2c_adap;
	struct i2c_client i2c_client;
	/* video for linux */
	int users;		/* user count for exclusive use */
	struct video_device *vdev;	/* video for linux device struct */
500
	v4l2_std_id norm;	/* selected tv norm */
501 502
	int ctl_freq;		/* selected frequency */
	unsigned int ctl_input;	/* selected input */
503
	unsigned int ctl_ainput;/* selected audio input */
504
	unsigned int ctl_aoutput;/* selected audio output */
505 506 507 508 509
	int mute;
	int volume;
	/* frame properties */
	int width;		/* current frame width */
	int height;		/* current frame height */
510 511
	unsigned hscale;	/* horizontal scale factor (see datasheet) */
	unsigned vscale;	/* vertical scale factor (see datasheet) */
512
	int interlaced;		/* 1=interlace fileds, 0=just top fileds */
513
	unsigned int video_bytesread;	/* Number of bytes read */
514

515
	unsigned long hash;	/* eeprom hash - for boards with generic ID */
516 517
	unsigned long i2c_hash;	/* i2c devicelist hash -
				   for boards with generic ID */
518

519
	struct em28xx_audio adev;
520

521
	/* states */
522 523
	enum em28xx_dev_state state;
	enum em28xx_io_method io;
524

525 526
	struct work_struct         request_module_wk;

527
	/* locks */
528
	struct mutex lock;
529
	struct mutex ctrl_urb_lock;	/* protects urb_buf */
530
	/* spinlock_t queue_lock; */
531 532 533
	struct list_head inqueue, outqueue;
	wait_queue_head_t open, wait_frame, wait_stream;
	struct video_device *vbi_dev;
534
	struct video_device *radio_dev;
535 536 537

	unsigned char eedata[256];

538 539 540 541 542
	/* Isoc control struct */
	struct em28xx_dmaqueue vidq;
	struct em28xx_usb_isoc_ctl isoc_ctl;
	spinlock_t slock;

543 544 545 546
	/* usb transfer */
	struct usb_device *udev;	/* the usb device */
	int alt;		/* alternate */
	int max_pkt_size;	/* max packet size of isoc transaction */
547 548
	int num_alt;		/* Number of alternative settings */
	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
549
	struct urb *urb[EM28XX_NUM_BUFS];	/* urb for isoc transfers */
550 551
	char *transfer_buffer[EM28XX_NUM_BUFS];	/* transfer buffers for isoc
						   transfer */
552 553
	char urb_buf[URB_MAX_CTRL_SIZE];	/* urb control msg buffer */

554
	/* helper funcs that call usb_control_msg */
555
	int (*em28xx_write_regs) (struct em28xx *dev, u16 reg,
556
					char *buf, int len);
557 558 559 560
	int (*em28xx_read_reg) (struct em28xx *dev, u16 reg);
	int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg,
					char *buf, int len);
	int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg,
561
				      char *buf, int len);
562
	int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg);
563 564 565

	enum em28xx_mode mode;

566 567 568
	/* register numbers for GPO/GPIO registers */
	u16 reg_gpo_num, reg_gpio_num;

569 570 571
	/* Caches GPO and GPIO registers */
	unsigned char	reg_gpo, reg_gpio;

572 573 574 575 576
	/* Snapshot button */
	char snapshot_button_path[30];	/* path of the input dev */
	struct input_dev *sbutton_input_dev;
	struct delayed_work sbutton_query_work;

577
	struct em28xx_dvb *dvb;
578 579
};

580 581 582 583 584 585
struct em28xx_ops {
	struct list_head next;
	char *name;
	int id;
	int (*init)(struct em28xx *);
	int (*fini)(struct em28xx *);
586 587
};

588
/* Provided by em28xx-i2c.c */
589
void em28xx_do_i2c_scan(struct em28xx *dev);
590 591
int  em28xx_i2c_register(struct em28xx *dev);
int  em28xx_i2c_unregister(struct em28xx *dev);
592

593
/* Provided by em28xx-core.c */
594

595 596 597
u32 em28xx_request_buffers(struct em28xx *dev, u32 count);
void em28xx_queue_unusedframes(struct em28xx *dev);
void em28xx_release_buffers(struct em28xx *dev);
598

599
int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,
600
			    char *buf, int len);
601 602 603
int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg);
int em28xx_read_reg(struct em28xx *dev, u16 reg);
int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,
604
			  int len);
605
int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len);
606 607
int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val);

608 609 610
int em28xx_read_ac97(struct em28xx *dev, u8 reg);
int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val);

611
int em28xx_audio_analog_set(struct em28xx *dev);
612
int em28xx_audio_setup(struct em28xx *dev);
613

614 615
int em28xx_colorlevels_set_default(struct em28xx *dev);
int em28xx_capture_start(struct em28xx *dev, int start);
616
int em28xx_set_outfmt(struct em28xx *dev);
617 618
int em28xx_resolution_set(struct em28xx *dev);
int em28xx_set_alternate(struct em28xx *dev);
619 620
int em28xx_init_isoc(struct em28xx *dev, int max_packets,
		     int num_bufs, int max_pkt_size,
621
		     int (*isoc_copy) (struct em28xx *dev, struct urb *urb));
622
void em28xx_uninit_isoc(struct em28xx *dev);
623
int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev);
624 625
int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode);
int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio);
626 627 628
void em28xx_wake_i2c(struct em28xx *dev);
void em28xx_remove_from_devlist(struct em28xx *dev);
void em28xx_add_into_devlist(struct em28xx *dev);
629
struct em28xx *em28xx_get_device(int minor,
630 631
				 enum v4l2_buf_type *fh_type,
				 int *has_radio);
632 633
int em28xx_register_extension(struct em28xx_ops *dev);
void em28xx_unregister_extension(struct em28xx_ops *dev);
634 635 636 637 638 639
void em28xx_init_extension(struct em28xx *dev);
void em28xx_close_extension(struct em28xx *dev);

/* Provided by em28xx-video.c */
int em28xx_register_analog_devices(struct em28xx *dev);
void em28xx_release_analog_resources(struct em28xx *dev);
640

641
/* Provided by em28xx-cards.c */
642
extern int em2800_variant_detect(struct usb_device *udev, int model);
643
extern void em28xx_pre_card_setup(struct em28xx *dev);
644 645 646 647
extern void em28xx_card_setup(struct em28xx *dev);
extern struct em28xx_board em28xx_boards[];
extern struct usb_device_id em28xx_id_table[];
extern const unsigned int em28xx_bcount;
648
void em28xx_register_i2c_ir(struct em28xx *dev);
649
int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
650
void em28xx_release_resources(struct em28xx *dev);
651 652 653 654 655 656

/* Provided by em28xx-input.c */
int em28xx_get_key_terratec(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
int em28xx_get_key_em_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw);
int em28xx_get_key_pinnacle_usb_grey(struct IR_i2c *ir, u32 *ir_key,
				     u32 *ir_raw);
657 658
void em28xx_register_snapshot_button(struct em28xx *dev);
void em28xx_deregister_snapshot_button(struct em28xx *dev);
659

660 661 662
int em28xx_ir_init(struct em28xx *dev);
int em28xx_ir_fini(struct em28xx *dev);

663 664
/* printk macros */

665
#define em28xx_err(fmt, arg...) do {\
666
	printk(KERN_ERR fmt , ##arg); } while (0)
667

668
#define em28xx_errdev(fmt, arg...) do {\
669
	printk(KERN_ERR "%s: "fmt,\
670
			dev->name , ##arg); } while (0)
671

672
#define em28xx_info(fmt, arg...) do {\
673
	printk(KERN_INFO "%s: "fmt,\
674
			dev->name , ##arg); } while (0)
675
#define em28xx_warn(fmt, arg...) do {\
676
	printk(KERN_WARNING "%s: "fmt,\
677
			dev->name , ##arg); } while (0)
678

679
static inline int em28xx_compression_disable(struct em28xx *dev)
680 681
{
	/* side effect of disabling scaler and mixer */
682
	return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00);
683 684
}

685
static inline int em28xx_contrast_get(struct em28xx *dev)
686
{
687
	return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f;
688 689
}

690
static inline int em28xx_brightness_get(struct em28xx *dev)
691
{
692
	return em28xx_read_reg(dev, EM28XX_R21_YOFFSET);
693 694
}

695
static inline int em28xx_saturation_get(struct em28xx *dev)
696
{
697
	return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f;
698 699
}

700
static inline int em28xx_u_balance_get(struct em28xx *dev)
701
{
702
	return em28xx_read_reg(dev, EM28XX_R23_UOFFSET);
703 704
}

705
static inline int em28xx_v_balance_get(struct em28xx *dev)
706
{
707
	return em28xx_read_reg(dev, EM28XX_R24_VOFFSET);
708 709
}

710
static inline int em28xx_gamma_get(struct em28xx *dev)
711
{
712
	return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f;
713 714
}

715
static inline int em28xx_contrast_set(struct em28xx *dev, s32 val)
716 717
{
	u8 tmp = (u8) val;
718
	return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1);
719 720
}

721
static inline int em28xx_brightness_set(struct em28xx *dev, s32 val)
722 723
{
	u8 tmp = (u8) val;
724
	return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1);
725 726
}

727
static inline int em28xx_saturation_set(struct em28xx *dev, s32 val)
728 729
{
	u8 tmp = (u8) val;
730
	return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1);
731 732
}

733
static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val)
734 735
{
	u8 tmp = (u8) val;
736
	return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1);
737 738
}

739
static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val)
740 741
{
	u8 tmp = (u8) val;
742
	return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1);
743 744
}

745
static inline int em28xx_gamma_set(struct em28xx *dev, s32 val)
746 747
{
	u8 tmp = (u8) val;
748
	return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1);
749 750 751
}

/*FIXME: maxw should be dependent of alt mode */
752
static inline unsigned int norm_maxw(struct em28xx *dev)
753
{
754
	if (dev->board.max_range_640_480)
755
		return 640;
756
	else
757
		return 720;
758 759
}

760
static inline unsigned int norm_maxh(struct em28xx *dev)
761
{
762
	if (dev->board.max_range_640_480)
763
		return 480;
764
	else
765
		return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
766 767
}
#endif