1 /*
2    cx231xx.h - driver for Conexant Cx23100/101/102 USB video capture devices
3 
4    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
5 	Based on em28xx driver
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 #ifndef _CX231XX_H
23 #define _CX231XX_H
24 
25 #include <linux/videodev2.h>
26 #include <linux/types.h>
27 #include <linux/ioctl.h>
28 #include <linux/i2c.h>
29 #include <linux/workqueue.h>
30 #include <linux/mutex.h>
31 #include <linux/usb.h>
32 
33 #include <media/drv-intf/cx2341x.h>
34 
35 #include <media/videobuf-vmalloc.h>
36 #include <media/v4l2-device.h>
37 #include <media/v4l2-ctrls.h>
38 #include <media/v4l2-fh.h>
39 #include <media/rc-core.h>
40 #include <media/i2c/ir-kbd-i2c.h>
41 #include <media/videobuf-dvb.h>
42 
43 #include "cx231xx-reg.h"
44 #include "cx231xx-pcb-cfg.h"
45 #include "cx231xx-conf-reg.h"
46 
47 #define DRIVER_NAME                     "cx231xx"
48 #define PWR_SLEEP_INTERVAL              10
49 
50 /* I2C addresses for control block in Cx231xx */
51 #define     AFE_DEVICE_ADDRESS		0x60
52 #define     I2S_BLK_DEVICE_ADDRESS	0x98
53 #define     VID_BLK_I2C_ADDRESS		0x88
54 #define     VERVE_I2C_ADDRESS           0x40
55 #define     DIF_USE_BASEBAND            0xFFFFFFFF
56 
57 /* Boards supported by driver */
58 #define CX231XX_BOARD_UNKNOWN		    0
59 #define CX231XX_BOARD_CNXT_CARRAERA	1
60 #define CX231XX_BOARD_CNXT_SHELBY	2
61 #define CX231XX_BOARD_CNXT_RDE_253S	3
62 #define CX231XX_BOARD_CNXT_RDU_253S	4
63 #define CX231XX_BOARD_CNXT_VIDEO_GRABBER	5
64 #define CX231XX_BOARD_CNXT_RDE_250	6
65 #define CX231XX_BOARD_CNXT_RDU_250	7
66 #define CX231XX_BOARD_HAUPPAUGE_EXETER  8
67 #define CX231XX_BOARD_HAUPPAUGE_USBLIVE2 9
68 #define CX231XX_BOARD_PV_PLAYTV_USB_HYBRID 10
69 #define CX231XX_BOARD_PV_XCAPTURE_USB 11
70 #define CX231XX_BOARD_KWORLD_UB430_USB_HYBRID 12
71 #define CX231XX_BOARD_ICONBIT_U100 13
72 #define CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL 14
73 #define CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC 15
74 #define CX231XX_BOARD_ELGATO_VIDEO_CAPTURE_V2 16
75 #define CX231XX_BOARD_OTG102 17
76 #define CX231XX_BOARD_KWORLD_UB445_USB_HYBRID 18
77 #define CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx 19
78 #define CX231XX_BOARD_HAUPPAUGE_930C_HD_1114xx 20
79 #define CX231XX_BOARD_HAUPPAUGE_955Q 21
80 #define CX231XX_BOARD_TERRATEC_GRABBY 22
81 
82 /* Limits minimum and default number of buffers */
83 #define CX231XX_MIN_BUF                 4
84 #define CX231XX_DEF_BUF                 12
85 #define CX231XX_DEF_VBI_BUF             6
86 
87 #define VBI_LINE_COUNT                  17
88 #define VBI_LINE_LENGTH                 1440
89 
90 /*Limits the max URB message size */
91 #define URB_MAX_CTRL_SIZE               80
92 
93 /* Params for validated field */
94 #define CX231XX_BOARD_NOT_VALIDATED     1
95 #define CX231XX_BOARD_VALIDATED		0
96 
97 /* maximum number of cx231xx boards */
98 #define CX231XX_MAXBOARDS               8
99 
100 /* maximum number of frames that can be queued */
101 #define CX231XX_NUM_FRAMES              5
102 
103 /* number of buffers for isoc transfers */
104 #define CX231XX_NUM_BUFS                8
105 
106 /* number of packets for each buffer
107    windows requests only 40 packets .. so we better do the same
108    this is what I found out for all alternate numbers there!
109  */
110 #define CX231XX_NUM_PACKETS             40
111 
112 /* default alternate; 0 means choose the best */
113 #define CX231XX_PINOUT                  0
114 
115 #define CX231XX_INTERLACED_DEFAULT      1
116 
117 /* time to wait when stopping the isoc transfer */
118 #define CX231XX_URB_TIMEOUT		\
119 		msecs_to_jiffies(CX231XX_NUM_BUFS * CX231XX_NUM_PACKETS)
120 
121 #define CX231xx_NORMS (\
122 	V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
123 	V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
124 	V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
125 	V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
126 
127 #define SLEEP_S5H1432    30
128 #define CX23417_OSC_EN   8
129 #define CX23417_RESET    9
130 
131 struct cx23417_fmt {
132 	char  *name;
133 	u32   fourcc;          /* v4l2 format id */
134 	int   depth;
135 	int   flags;
136 	u32   cxformat;
137 };
138 enum cx231xx_mode {
139 	CX231XX_SUSPEND,
140 	CX231XX_ANALOG_MODE,
141 	CX231XX_DIGITAL_MODE,
142 };
143 
144 enum cx231xx_std_mode {
145 	CX231XX_TV_AIR = 0,
146 	CX231XX_TV_CABLE
147 };
148 
149 enum cx231xx_stream_state {
150 	STREAM_OFF,
151 	STREAM_INTERRUPT,
152 	STREAM_ON,
153 };
154 
155 struct cx231xx;
156 
157 struct cx231xx_isoc_ctl {
158 	/* max packet size of isoc transaction */
159 	int max_pkt_size;
160 
161 	/* number of allocated urbs */
162 	int num_bufs;
163 
164 	/* urb for isoc transfers */
165 	struct urb **urb;
166 
167 	/* transfer buffers for isoc transfer */
168 	char **transfer_buffer;
169 
170 	/* Last buffer command and region */
171 	u8 cmd;
172 	int pos, size, pktsize;
173 
174 	/* Last field: ODD or EVEN? */
175 	int field;
176 
177 	/* Stores incomplete commands */
178 	u32 tmp_buf;
179 	int tmp_buf_len;
180 
181 	/* Stores already requested buffers */
182 	struct cx231xx_buffer *buf;
183 
184 	/* Stores the number of received fields */
185 	int nfields;
186 
187 	/* isoc urb callback */
188 	int (*isoc_copy) (struct cx231xx *dev, struct urb *urb);
189 };
190 
191 struct cx231xx_bulk_ctl {
192 	/* max packet size of bulk transaction */
193 	int max_pkt_size;
194 
195 	/* number of allocated urbs */
196 	int num_bufs;
197 
198 	/* urb for bulk transfers */
199 	struct urb **urb;
200 
201 	/* transfer buffers for bulk transfer */
202 	char **transfer_buffer;
203 
204 	/* Last buffer command and region */
205 	u8 cmd;
206 	int pos, size, pktsize;
207 
208 	/* Last field: ODD or EVEN? */
209 	int field;
210 
211 	/* Stores incomplete commands */
212 	u32 tmp_buf;
213 	int tmp_buf_len;
214 
215 	/* Stores already requested buffers */
216 	struct cx231xx_buffer *buf;
217 
218 	/* Stores the number of received fields */
219 	int nfields;
220 
221 	/* bulk urb callback */
222 	int (*bulk_copy) (struct cx231xx *dev, struct urb *urb);
223 };
224 
225 struct cx231xx_fmt {
226 	char *name;
227 	u32 fourcc;		/* v4l2 format id */
228 	int depth;
229 	int reg;
230 };
231 
232 /* buffer for one video frame */
233 struct cx231xx_buffer {
234 	/* common v4l buffer stuff -- must be first */
235 	struct videobuf_buffer vb;
236 
237 	struct list_head frame;
238 	int top_field;
239 	int receiving;
240 };
241 
242 enum ps_package_head {
243 	CX231XX_NEED_ADD_PS_PACKAGE_HEAD = 0,
244 	CX231XX_NONEED_PS_PACKAGE_HEAD
245 };
246 
247 struct cx231xx_dmaqueue {
248 	struct list_head active;
249 	struct list_head queued;
250 
251 	wait_queue_head_t wq;
252 
253 	/* Counters to control buffer fill */
254 	int pos;
255 	u8 is_partial_line;
256 	u8 partial_buf[8];
257 	u8 last_sav;
258 	int current_field;
259 	u32 bytes_left_in_line;
260 	u32 lines_completed;
261 	u8 field1_done;
262 	u32 lines_per_field;
263 
264 	/*Mpeg2 control buffer*/
265 	u8 *p_left_data;
266 	u32 left_data_count;
267 	u8 mpeg_buffer_done;
268 	u32 mpeg_buffer_completed;
269 	enum ps_package_head add_ps_package_head;
270 	char ps_head[10];
271 };
272 
273 /* inputs */
274 
275 #define MAX_CX231XX_INPUT               4
276 
277 enum cx231xx_itype {
278 	CX231XX_VMUX_COMPOSITE1 = 1,
279 	CX231XX_VMUX_SVIDEO,
280 	CX231XX_VMUX_TELEVISION,
281 	CX231XX_VMUX_CABLE,
282 	CX231XX_RADIO,
283 	CX231XX_VMUX_DVB,
284 };
285 
286 enum cx231xx_v_input {
287 	CX231XX_VIN_1_1 = 0x1,
288 	CX231XX_VIN_2_1,
289 	CX231XX_VIN_3_1,
290 	CX231XX_VIN_4_1,
291 	CX231XX_VIN_1_2 = 0x01,
292 	CX231XX_VIN_2_2,
293 	CX231XX_VIN_3_2,
294 	CX231XX_VIN_1_3 = 0x1,
295 	CX231XX_VIN_2_3,
296 	CX231XX_VIN_3_3,
297 };
298 
299 /* cx231xx has two audio inputs: tuner and line in */
300 enum cx231xx_amux {
301 	/* This is the only entry for cx231xx tuner input */
302 	CX231XX_AMUX_VIDEO,	/* cx231xx tuner */
303 	CX231XX_AMUX_LINE_IN,	/* Line In */
304 };
305 
306 struct cx231xx_reg_seq {
307 	unsigned char bit;
308 	unsigned char val;
309 	int sleep;
310 };
311 
312 struct cx231xx_input {
313 	enum cx231xx_itype type;
314 	unsigned int vmux;
315 	enum cx231xx_amux amux;
316 	struct cx231xx_reg_seq *gpio;
317 };
318 
319 #define INPUT(nr) (&cx231xx_boards[dev->model].input[nr])
320 
321 enum cx231xx_decoder {
322 	CX231XX_NODECODER,
323 	CX231XX_AVDECODER
324 };
325 
326 enum CX231XX_I2C_MASTER_PORT {
327 	I2C_0 = 0,       /* master 0 - internal connection */
328 	I2C_1 = 1,       /* master 1 - used with mux */
329 	I2C_2 = 2,       /* master 2 */
330 	I2C_1_MUX_1 = 3, /* master 1 - port 1 (I2C_DEMOD_EN = 0) */
331 	I2C_1_MUX_3 = 4  /* master 1 - port 3 (I2C_DEMOD_EN = 1) */
332 };
333 
334 struct cx231xx_board {
335 	char *name;
336 	int vchannels;
337 	int tuner_type;
338 	int tuner_addr;
339 	v4l2_std_id norm;	/* tv norm */
340 
341 	/* demod related */
342 	int demod_addr;
343 	u8 demod_xfer_mode;	/* 0 - Serial; 1 - parallel */
344 
345 	/* GPIO Pins */
346 	struct cx231xx_reg_seq *dvb_gpio;
347 	struct cx231xx_reg_seq *suspend_gpio;
348 	struct cx231xx_reg_seq *tuner_gpio;
349 		/* Negative means don't use it */
350 	s8 tuner_sif_gpio;
351 	s8 tuner_scl_gpio;
352 	s8 tuner_sda_gpio;
353 
354 	/* PIN ctrl */
355 	u32 ctl_pin_status_mask;
356 	u8 agc_analog_digital_select_gpio;
357 	u32 gpio_pin_status_mask;
358 
359 	/* i2c masters */
360 	u8 tuner_i2c_master;
361 	u8 demod_i2c_master;
362 	u8 ir_i2c_master;
363 
364 	/* for devices with I2C chips for IR */
365 	char *rc_map_name;
366 
367 	unsigned int max_range_640_480:1;
368 	unsigned int has_dvb:1;
369 	unsigned int has_417:1;
370 	unsigned int valid:1;
371 	unsigned int no_alt_vanc:1;
372 	unsigned int external_av:1;
373 
374 	unsigned char xclk, i2c_speed;
375 
376 	enum cx231xx_decoder decoder;
377 	int output_mode;
378 
379 	struct cx231xx_input input[MAX_CX231XX_INPUT];
380 	struct cx231xx_input radio;
381 	struct rc_map *ir_codes;
382 };
383 
384 /* device states */
385 enum cx231xx_dev_state {
386 	DEV_INITIALIZED = 0x01,
387 	DEV_DISCONNECTED = 0x02,
388 };
389 
390 enum AFE_MODE {
391 	AFE_MODE_LOW_IF,
392 	AFE_MODE_BASEBAND,
393 	AFE_MODE_EU_HI_IF,
394 	AFE_MODE_US_HI_IF,
395 	AFE_MODE_JAPAN_HI_IF
396 };
397 
398 enum AUDIO_INPUT {
399 	AUDIO_INPUT_MUTE,
400 	AUDIO_INPUT_LINE,
401 	AUDIO_INPUT_TUNER_TV,
402 	AUDIO_INPUT_SPDIF,
403 	AUDIO_INPUT_TUNER_FM
404 };
405 
406 #define CX231XX_AUDIO_BUFS              5
407 #define CX231XX_NUM_AUDIO_PACKETS       16
408 #define CX231XX_ISO_NUM_AUDIO_PACKETS	64
409 
410 /* cx231xx extensions */
411 #define CX231XX_AUDIO                   0x10
412 #define CX231XX_DVB                     0x20
413 
414 struct cx231xx_audio {
415 	char name[50];
416 	char *transfer_buffer[CX231XX_AUDIO_BUFS];
417 	struct urb *urb[CX231XX_AUDIO_BUFS];
418 	struct usb_device *udev;
419 	unsigned int capture_transfer_done;
420 	struct snd_pcm_substream *capture_pcm_substream;
421 
422 	unsigned int hwptr_done_capture;
423 	struct snd_card *sndcard;
424 
425 	int users, shutdown;
426 	/* locks */
427 	spinlock_t slock;
428 
429 	int alt;		/* alternate */
430 	int max_pkt_size;	/* max packet size of isoc transaction */
431 	int num_alt;		/* Number of alternative settings */
432 	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
433 	u16 end_point_addr;
434 };
435 
436 struct cx231xx;
437 
438 struct cx231xx_fh {
439 	struct v4l2_fh fh;
440 	struct cx231xx *dev;
441 	unsigned int stream_on:1;	/* Locks streams */
442 	enum v4l2_buf_type type;
443 
444 	struct videobuf_queue vb_vidq;
445 
446 	/* vbi capture */
447 	struct videobuf_queue      vidq;
448 	struct videobuf_queue      vbiq;
449 
450 	/* MPEG Encoder specifics ONLY */
451 
452 	atomic_t                   v4l_reading;
453 };
454 
455 /*****************************************************************/
456 /* set/get i2c */
457 /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
458 #define I2C_SPEED_1M            0x0
459 #define I2C_SPEED_400K          0x1
460 #define I2C_SPEED_100K          0x2
461 #define I2C_SPEED_5M            0x3
462 
463 /* 0-- STOP transaction */
464 #define I2C_STOP                0x0
465 /* 1-- do not transmit STOP at end of transaction */
466 #define I2C_NOSTOP              0x1
467 /* 1--allow slave to insert clock wait states */
468 #define I2C_SYNC                0x1
469 
470 struct cx231xx_i2c {
471 	struct cx231xx *dev;
472 
473 	int nr;
474 
475 	/* i2c i/o */
476 	struct i2c_adapter i2c_adap;
477 	u32 i2c_rc;
478 
479 	/* different settings for each bus */
480 	u8 i2c_period;
481 	u8 i2c_nostop;
482 	u8 i2c_reserve;
483 };
484 
485 struct cx231xx_i2c_xfer_data {
486 	u8 dev_addr;
487 	u8 direction;		/* 1 - IN, 0 - OUT */
488 	u8 saddr_len;		/* sub address len */
489 	u16 saddr_dat;		/* sub addr data */
490 	u8 buf_size;		/* buffer size */
491 	u8 *p_buffer;		/* pointer to the buffer */
492 };
493 
494 struct VENDOR_REQUEST_IN {
495 	u8 bRequest;
496 	u16 wValue;
497 	u16 wIndex;
498 	u16 wLength;
499 	u8 direction;
500 	u8 bData;
501 	u8 *pBuff;
502 };
503 
504 struct cx231xx_tvnorm {
505 	char		*name;
506 	v4l2_std_id	id;
507 	u32		cxiformat;
508 	u32		cxoformat;
509 };
510 
511 enum TRANSFER_TYPE {
512 	Raw_Video = 0,
513 	Audio,
514 	Vbi,			/* VANC */
515 	Sliced_cc,		/* HANC */
516 	TS1_serial_mode,
517 	TS2,
518 	TS1_parallel_mode
519 } ;
520 
521 struct cx231xx_video_mode {
522 	/* Isoc control struct */
523 	struct cx231xx_dmaqueue vidq;
524 	struct cx231xx_isoc_ctl isoc_ctl;
525 	struct cx231xx_bulk_ctl bulk_ctl;
526 	/* locks */
527 	spinlock_t slock;
528 
529 	/* usb transfer */
530 	int alt;		/* alternate */
531 	int max_pkt_size;	/* max packet size of isoc transaction */
532 	int num_alt;		/* Number of alternative settings */
533 	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
534 	u16 end_point_addr;
535 };
536 
537 struct cx231xx_tsport {
538 	struct cx231xx *dev;
539 
540 	int                        nr;
541 	int                        sram_chno;
542 
543 	struct videobuf_dvb_frontends frontends;
544 
545 	/* dma queues */
546 
547 	u32                        ts_packet_size;
548 	u32                        ts_packet_count;
549 
550 	int                        width;
551 	int                        height;
552 
553 	/* locks */
554 	spinlock_t                 slock;
555 
556 	/* registers */
557 	u32                        reg_gpcnt;
558 	u32                        reg_gpcnt_ctl;
559 	u32                        reg_dma_ctl;
560 	u32                        reg_lngth;
561 	u32                        reg_hw_sop_ctrl;
562 	u32                        reg_gen_ctrl;
563 	u32                        reg_bd_pkt_status;
564 	u32                        reg_sop_status;
565 	u32                        reg_fifo_ovfl_stat;
566 	u32                        reg_vld_misc;
567 	u32                        reg_ts_clk_en;
568 	u32                        reg_ts_int_msk;
569 	u32                        reg_ts_int_stat;
570 	u32                        reg_src_sel;
571 
572 	/* Default register vals */
573 	int                        pci_irqmask;
574 	u32                        dma_ctl_val;
575 	u32                        ts_int_msk_val;
576 	u32                        gen_ctrl_val;
577 	u32                        ts_clk_en_val;
578 	u32                        src_sel_val;
579 	u32                        vld_misc_val;
580 	u32                        hw_sop_ctrl_val;
581 
582 	/* Allow a single tsport to have multiple frontends */
583 	u32                        num_frontends;
584 	void                       *port_priv;
585 };
586 
587 /* main device struct */
588 struct cx231xx {
589 	/* generic device properties */
590 	char name[30];		/* name (including minor) of the device */
591 	int model;		/* index in the device_data struct */
592 	int devno;		/* marks the number of this device */
593 	struct device *dev;	/* pointer to USB interface's dev */
594 
595 	struct cx231xx_board board;
596 
597 	/* For I2C IR support */
598 	struct IR_i2c_init_data    init_data;
599 	struct i2c_client          *ir_i2c_client;
600 
601 	unsigned int stream_on:1;	/* Locks streams */
602 	unsigned int vbi_stream_on:1;	/* Locks streams for VBI */
603 	unsigned int has_audio_class:1;
604 	unsigned int has_alsa_audio:1;
605 
606 	unsigned int i2c_scan_running:1; /* true only during i2c_scan */
607 
608 	struct cx231xx_fmt *format;
609 
610 	struct v4l2_device v4l2_dev;
611 	struct v4l2_subdev *sd_cx25840;
612 	struct v4l2_subdev *sd_tuner;
613 	struct v4l2_ctrl_handler ctrl_handler;
614 	struct v4l2_ctrl_handler radio_ctrl_handler;
615 	struct cx2341x_handler mpeg_ctrl_handler;
616 
617 	struct work_struct wq_trigger;		/* Trigger to start/stop audio for alsa module */
618 	atomic_t	   stream_started;	/* stream should be running if true */
619 
620 	struct list_head devlist;
621 
622 	int tuner_type;		/* type of the tuner */
623 	int tuner_addr;		/* tuner address */
624 
625 	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
626 	struct cx231xx_i2c i2c_bus[3];
627 	struct i2c_mux_core *muxc;
628 	struct i2c_adapter *i2c_mux_adap[2];
629 
630 	unsigned int xc_fw_load_done:1;
631 	unsigned int port_3_switch_enabled:1;
632 	/* locks */
633 	struct mutex gpio_i2c_lock;
634 	struct mutex i2c_lock;
635 
636 	/* video for linux */
637 	int users;		/* user count for exclusive use */
638 	struct video_device vdev;	/* video for linux device struct */
639 	v4l2_std_id norm;	/* selected tv norm */
640 	int ctl_freq;		/* selected frequency */
641 	unsigned int ctl_ainput;	/* selected audio input */
642 
643 	/* frame properties */
644 	int width;		/* current frame width */
645 	int height;		/* current frame height */
646 	int interlaced;		/* 1=interlace fileds, 0=just top fileds */
647 
648 	struct cx231xx_audio adev;
649 
650 	/* states */
651 	enum cx231xx_dev_state state;
652 
653 	struct work_struct request_module_wk;
654 
655 	/* locks */
656 	struct mutex lock;
657 	struct mutex ctrl_urb_lock;	/* protects urb_buf */
658 	struct list_head inqueue, outqueue;
659 	wait_queue_head_t open, wait_frame, wait_stream;
660 	struct video_device vbi_dev;
661 	struct video_device radio_dev;
662 
663 #if defined(CONFIG_MEDIA_CONTROLLER)
664 	struct media_device *media_dev;
665 	struct media_pad video_pad, vbi_pad;
666 	struct media_entity input_ent[MAX_CX231XX_INPUT];
667 	struct media_pad input_pad[MAX_CX231XX_INPUT];
668 #endif
669 
670 	unsigned char eedata[256];
671 
672 	struct cx231xx_video_mode video_mode;
673 	struct cx231xx_video_mode vbi_mode;
674 	struct cx231xx_video_mode sliced_cc_mode;
675 	struct cx231xx_video_mode ts1_mode;
676 
677 	atomic_t devlist_count;
678 
679 	struct usb_device *udev;	/* the usb device */
680 	char urb_buf[URB_MAX_CTRL_SIZE];	/* urb control msg buffer */
681 
682 	/* helper funcs that call usb_control_msg */
683 	int (*cx231xx_read_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
684 				      char *buf, int len);
685 	int (*cx231xx_write_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
686 				       char *buf, int len);
687 	int (*cx231xx_send_usb_command) (struct cx231xx_i2c *i2c_bus,
688 				struct cx231xx_i2c_xfer_data *req_data);
689 	int (*cx231xx_gpio_i2c_read) (struct cx231xx *dev, u8 dev_addr,
690 				      u8 *buf, u8 len);
691 	int (*cx231xx_gpio_i2c_write) (struct cx231xx *dev, u8 dev_addr,
692 				       u8 *buf, u8 len);
693 
694 	int (*cx231xx_set_analog_freq) (struct cx231xx *dev, u32 freq);
695 	int (*cx231xx_reset_analog_tuner) (struct cx231xx *dev);
696 
697 	enum cx231xx_mode mode;
698 
699 	struct cx231xx_dvb *dvb;
700 
701 	/* Cx231xx supported PCB config's */
702 	struct pcb_config current_pcb_config;
703 	u8 current_scenario_idx;
704 	u8 interface_count;
705 	u8 max_iad_interface_count;
706 
707 	/* GPIO related register direction and values */
708 	u32 gpio_dir;
709 	u32 gpio_val;
710 
711 	/* Power Modes */
712 	int power_mode;
713 
714 	/* afe parameters */
715 	enum AFE_MODE afe_mode;
716 	u32 afe_ref_count;
717 
718 	/* video related parameters */
719 	u32 video_input;
720 	u32 active_mode;
721 	u8 vbi_or_sliced_cc_mode;	/* 0 - vbi ; 1 - sliced cc mode */
722 	enum cx231xx_std_mode std_mode;	/* 0 - Air; 1 - cable */
723 
724 	/*mode: digital=1 or analog=0*/
725 	u8 mode_tv;
726 
727 	u8 USE_ISO;
728 	struct cx231xx_tvnorm      encodernorm;
729 	struct cx231xx_tsport      ts1, ts2;
730 	struct video_device        v4l_device;
731 	atomic_t                   v4l_reader_count;
732 	u32                        freq;
733 	unsigned int               input;
734 	u32                        cx23417_mailbox;
735 	u32                        __iomem *lmmio;
736 	u8                         __iomem *bmmio;
737 };
738 
739 extern struct list_head cx231xx_devlist;
740 
741 #define cx25840_call(cx231xx, o, f, args...) \
742 	v4l2_subdev_call(cx231xx->sd_cx25840, o, f, ##args)
743 #define tuner_call(cx231xx, o, f, args...) \
744 	v4l2_subdev_call(cx231xx->sd_tuner, o, f, ##args)
745 #define call_all(dev, o, f, args...) \
746 	v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
747 
748 struct cx231xx_ops {
749 	struct list_head next;
750 	char *name;
751 	int id;
752 	int (*init) (struct cx231xx *);
753 	int (*fini) (struct cx231xx *);
754 };
755 
756 /* call back functions in dvb module */
757 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq);
758 int cx231xx_reset_analog_tuner(struct cx231xx *dev);
759 
760 /* Provided by cx231xx-i2c.c */
761 void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port);
762 int cx231xx_i2c_register(struct cx231xx_i2c *bus);
763 int cx231xx_i2c_unregister(struct cx231xx_i2c *bus);
764 int cx231xx_i2c_mux_create(struct cx231xx *dev);
765 int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no);
766 void cx231xx_i2c_mux_unregister(struct cx231xx *dev);
767 struct i2c_adapter *cx231xx_get_i2c_adap(struct cx231xx *dev, int i2c_port);
768 
769 /* Internal block control functions */
770 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
771 		 u8 saddr_len, u32 *data, u8 data_len, int master);
772 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
773 		 u8 saddr_len, u32 data, u8 data_len, int master);
774 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr,
775 			  u16 saddr, u8 saddr_len, u32 *data, u8 data_len);
776 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr,
777 			   u16 saddr, u8 saddr_len, u32 data, u8 data_len);
778 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
779 			   u16 register_address, u8 bit_start, u8 bit_end,
780 			   u32 value);
781 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
782 					u16 saddr, u32 mask, u32 value);
783 u32 cx231xx_set_field(u32 field_mask, u32 data);
784 
785 /*verve r/w*/
786 void initGPIO(struct cx231xx *dev);
787 void uninitGPIO(struct cx231xx *dev);
788 /* afe related functions */
789 int cx231xx_afe_init_super_block(struct cx231xx *dev, u32 ref_count);
790 int cx231xx_afe_init_channels(struct cx231xx *dev);
791 int cx231xx_afe_setup_AFE_for_baseband(struct cx231xx *dev);
792 int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux);
793 int cx231xx_afe_set_mode(struct cx231xx *dev, enum AFE_MODE mode);
794 int cx231xx_afe_update_power_control(struct cx231xx *dev,
795 					enum AV_MODE avmode);
796 int cx231xx_afe_adjust_ref_count(struct cx231xx *dev, u32 video_input);
797 
798 /* i2s block related functions */
799 int cx231xx_i2s_blk_initialize(struct cx231xx *dev);
800 int cx231xx_i2s_blk_update_power_control(struct cx231xx *dev,
801 					enum AV_MODE avmode);
802 int cx231xx_i2s_blk_set_audio_input(struct cx231xx *dev, u8 audio_input);
803 
804 /* DIF related functions */
805 int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
806 					  u32 function_mode, u32 standard);
807 void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq,
808 					 u8 spectral_invert, u32 mode);
809 u32 cx231xx_Get_Colibri_CarrierOffset(u32 mode, u32 standerd);
810 void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
811 					 u8 spectral_invert, u32 mode);
812 void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev);
813 void reset_s5h1432_demod(struct cx231xx *dev);
814 void cx231xx_dump_HH_reg(struct cx231xx *dev);
815 void update_HH_register_after_set_DIF(struct cx231xx *dev);
816 
817 
818 
819 int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard);
820 int cx231xx_tuner_pre_channel_change(struct cx231xx *dev);
821 int cx231xx_tuner_post_channel_change(struct cx231xx *dev);
822 
823 /* video parser functions */
824 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size,
825 			     u32 *p_bytes_used);
826 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
827 				 u32 *p_bytes_used);
828 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
829 		    u8 *p_buffer, u32 bytes_to_copy);
830 void cx231xx_reset_video_buffer(struct cx231xx *dev,
831 				struct cx231xx_dmaqueue *dma_q);
832 u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q);
833 u32 cx231xx_copy_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
834 			    u8 *p_line, u32 length, int field_number);
835 u32 cx231xx_get_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
836 			   u8 sav_eav, u8 *p_buffer, u32 buffer_size);
837 void cx231xx_swab(u16 *from, u16 *to, u16 len);
838 
839 /* Provided by cx231xx-core.c */
840 
841 u32 cx231xx_request_buffers(struct cx231xx *dev, u32 count);
842 void cx231xx_queue_unusedframes(struct cx231xx *dev);
843 void cx231xx_release_buffers(struct cx231xx *dev);
844 
845 /* read from control pipe */
846 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
847 			  char *buf, int len);
848 
849 /* write to control pipe */
850 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
851 			   char *buf, int len);
852 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode);
853 
854 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
855 				struct VENDOR_REQUEST_IN *ven_req);
856 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
857 				struct cx231xx_i2c_xfer_data *req_data);
858 
859 /* Gpio related functions */
860 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
861 			  u8 len, u8 request, u8 direction);
862 int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value);
863 int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number,
864 			       int pin_value);
865 
866 int cx231xx_gpio_i2c_start(struct cx231xx *dev);
867 int cx231xx_gpio_i2c_end(struct cx231xx *dev);
868 int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data);
869 int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf);
870 int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev);
871 int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev);
872 int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev);
873 
874 int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len);
875 int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len);
876 
877 /* audio related functions */
878 int cx231xx_set_audio_decoder_input(struct cx231xx *dev,
879 				    enum AUDIO_INPUT audio_input);
880 
881 int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type);
882 int cx231xx_set_video_alternate(struct cx231xx *dev);
883 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt);
884 int is_fw_load(struct cx231xx *dev);
885 int cx231xx_check_fw(struct cx231xx *dev);
886 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
887 		      int num_bufs, int max_pkt_size,
888 		      int (*isoc_copy) (struct cx231xx *dev,
889 					struct urb *urb));
890 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
891 		      int num_bufs, int max_pkt_size,
892 		      int (*bulk_copy) (struct cx231xx *dev,
893 					struct urb *urb));
894 void cx231xx_stop_TS1(struct cx231xx *dev);
895 void cx231xx_start_TS1(struct cx231xx *dev);
896 void cx231xx_uninit_isoc(struct cx231xx *dev);
897 void cx231xx_uninit_bulk(struct cx231xx *dev);
898 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode);
899 int cx231xx_unmute_audio(struct cx231xx *dev);
900 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size);
901 void cx231xx_disable656(struct cx231xx *dev);
902 void cx231xx_enable656(struct cx231xx *dev);
903 int cx231xx_demod_reset(struct cx231xx *dev);
904 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio);
905 
906 /* Device list functions */
907 void cx231xx_release_resources(struct cx231xx *dev);
908 void cx231xx_release_analog_resources(struct cx231xx *dev);
909 int cx231xx_register_analog_devices(struct cx231xx *dev);
910 void cx231xx_remove_from_devlist(struct cx231xx *dev);
911 void cx231xx_add_into_devlist(struct cx231xx *dev);
912 void cx231xx_init_extension(struct cx231xx *dev);
913 void cx231xx_close_extension(struct cx231xx *dev);
914 
915 /* hardware init functions */
916 int cx231xx_dev_init(struct cx231xx *dev);
917 void cx231xx_dev_uninit(struct cx231xx *dev);
918 void cx231xx_config_i2c(struct cx231xx *dev);
919 int cx231xx_config(struct cx231xx *dev);
920 
921 /* Stream control functions */
922 int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask);
923 int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask);
924 
925 int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type);
926 
927 /* Power control functions */
928 int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode);
929 int cx231xx_power_suspend(struct cx231xx *dev);
930 
931 /* chip specific control functions */
932 int cx231xx_init_ctrl_pin_status(struct cx231xx *dev);
933 int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
934 					      u8 analog_or_digital);
935 int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3);
936 
937 /* video audio decoder related functions */
938 void video_mux(struct cx231xx *dev, int index);
939 int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input);
940 int cx231xx_set_decoder_video_input(struct cx231xx *dev, u8 pin_type, u8 input);
941 int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev);
942 int cx231xx_set_audio_input(struct cx231xx *dev, u8 input);
943 
944 /* Provided by cx231xx-video.c */
945 int cx231xx_register_extension(struct cx231xx_ops *dev);
946 void cx231xx_unregister_extension(struct cx231xx_ops *dev);
947 void cx231xx_init_extension(struct cx231xx *dev);
948 void cx231xx_close_extension(struct cx231xx *dev);
949 void cx231xx_v4l2_create_entities(struct cx231xx *dev);
950 int cx231xx_querycap(struct file *file, void *priv,
951 			   struct v4l2_capability *cap);
952 int cx231xx_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t);
953 int cx231xx_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t);
954 int cx231xx_g_frequency(struct file *file, void *priv,
955 			      struct v4l2_frequency *f);
956 int cx231xx_s_frequency(struct file *file, void *priv,
957 			      const struct v4l2_frequency *f);
958 int cx231xx_enum_input(struct file *file, void *priv,
959 			     struct v4l2_input *i);
960 int cx231xx_g_input(struct file *file, void *priv, unsigned int *i);
961 int cx231xx_s_input(struct file *file, void *priv, unsigned int i);
962 int cx231xx_g_chip_info(struct file *file, void *fh, struct v4l2_dbg_chip_info *chip);
963 int cx231xx_g_register(struct file *file, void *priv,
964 			     struct v4l2_dbg_register *reg);
965 int cx231xx_s_register(struct file *file, void *priv,
966 			     const struct v4l2_dbg_register *reg);
967 
968 /* Provided by cx231xx-cards.c */
969 extern void cx231xx_pre_card_setup(struct cx231xx *dev);
970 extern void cx231xx_card_setup(struct cx231xx *dev);
971 extern struct cx231xx_board cx231xx_boards[];
972 extern struct usb_device_id cx231xx_id_table[];
973 extern const unsigned int cx231xx_bcount;
974 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg);
975 
976 /* cx23885-417.c                                               */
977 extern int cx231xx_417_register(struct cx231xx *dev);
978 extern void cx231xx_417_unregister(struct cx231xx *dev);
979 
980 /* cx23885-input.c                                             */
981 
982 #if defined(CONFIG_VIDEO_CX231XX_RC)
983 int cx231xx_ir_init(struct cx231xx *dev);
984 void cx231xx_ir_exit(struct cx231xx *dev);
985 #else
986 static inline int cx231xx_ir_init(struct cx231xx *dev)
987 {
988 	return 0;
989 }
990 static inline void cx231xx_ir_exit(struct cx231xx *dev) {}
991 #endif
992 
993 static inline unsigned int norm_maxw(struct cx231xx *dev)
994 {
995 	if (dev->board.max_range_640_480)
996 		return 640;
997 	else
998 		return 720;
999 }
1000 
1001 static inline unsigned int norm_maxh(struct cx231xx *dev)
1002 {
1003 	if (dev->board.max_range_640_480)
1004 		return 480;
1005 	else
1006 		return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
1007 }
1008 #endif
1009