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/i2c-algo-bit.h>
30 #include <linux/workqueue.h>
31 #include <linux/mutex.h>
32 
33 #include <media/cx2341x.h>
34 
35 #include <media/videobuf-vmalloc.h>
36 #include <media/v4l2-device.h>
37 #include <media/rc-core.h>
38 #include <media/ir-kbd-i2c.h>
39 #include <media/videobuf-dvb.h>
40 
41 #include "cx231xx-reg.h"
42 #include "cx231xx-pcb-cfg.h"
43 #include "cx231xx-conf-reg.h"
44 
45 #define DRIVER_NAME                     "cx231xx"
46 #define PWR_SLEEP_INTERVAL              5
47 
48 /* I2C addresses for control block in Cx231xx */
49 #define     AFE_DEVICE_ADDRESS		0x60
50 #define     I2S_BLK_DEVICE_ADDRESS	0x98
51 #define     VID_BLK_I2C_ADDRESS		0x88
52 #define     VERVE_I2C_ADDRESS           0x40
53 #define     DIF_USE_BASEBAND            0xFFFFFFFF
54 
55 /* Boards supported by driver */
56 #define CX231XX_BOARD_UNKNOWN		    0
57 #define CX231XX_BOARD_CNXT_CARRAERA	1
58 #define CX231XX_BOARD_CNXT_SHELBY	2
59 #define CX231XX_BOARD_CNXT_RDE_253S	3
60 #define CX231XX_BOARD_CNXT_RDU_253S	4
61 #define CX231XX_BOARD_CNXT_VIDEO_GRABBER	5
62 #define CX231XX_BOARD_CNXT_RDE_250	6
63 #define CX231XX_BOARD_CNXT_RDU_250	7
64 #define CX231XX_BOARD_HAUPPAUGE_EXETER  8
65 #define CX231XX_BOARD_HAUPPAUGE_USBLIVE2 9
66 #define CX231XX_BOARD_PV_PLAYTV_USB_HYBRID 10
67 #define CX231XX_BOARD_PV_XCAPTURE_USB 11
68 
69 /* Limits minimum and default number of buffers */
70 #define CX231XX_MIN_BUF                 4
71 #define CX231XX_DEF_BUF                 12
72 #define CX231XX_DEF_VBI_BUF             6
73 
74 #define VBI_LINE_COUNT                  17
75 #define VBI_LINE_LENGTH                 1440
76 
77 /*Limits the max URB message size */
78 #define URB_MAX_CTRL_SIZE               80
79 
80 /* Params for validated field */
81 #define CX231XX_BOARD_NOT_VALIDATED     1
82 #define CX231XX_BOARD_VALIDATED		0
83 
84 /* maximum number of cx231xx boards */
85 #define CX231XX_MAXBOARDS               8
86 
87 /* maximum number of frames that can be queued */
88 #define CX231XX_NUM_FRAMES              5
89 
90 /* number of buffers for isoc transfers */
91 #define CX231XX_NUM_BUFS                8
92 
93 /* number of packets for each buffer
94    windows requests only 40 packets .. so we better do the same
95    this is what I found out for all alternate numbers there!
96  */
97 #define CX231XX_NUM_PACKETS             40
98 
99 /* default alternate; 0 means choose the best */
100 #define CX231XX_PINOUT                  0
101 
102 #define CX231XX_INTERLACED_DEFAULT      1
103 
104 /* time to wait when stopping the isoc transfer */
105 #define CX231XX_URB_TIMEOUT		\
106 		msecs_to_jiffies(CX231XX_NUM_BUFS * CX231XX_NUM_PACKETS)
107 
108 #define CX231xx_NORMS (\
109 	V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
110 	V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
111 	V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
112 	V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
113 #define CX231xx_VERSION_CODE KERNEL_VERSION(0, 0, 2)
114 
115 #define SLEEP_S5H1432    30
116 #define CX23417_OSC_EN   8
117 #define CX23417_RESET    9
118 
119 struct cx23417_fmt {
120 	char  *name;
121 	u32   fourcc;          /* v4l2 format id */
122 	int   depth;
123 	int   flags;
124 	u32   cxformat;
125 };
126 enum cx231xx_mode {
127 	CX231XX_SUSPEND,
128 	CX231XX_ANALOG_MODE,
129 	CX231XX_DIGITAL_MODE,
130 };
131 
132 enum cx231xx_std_mode {
133 	CX231XX_TV_AIR = 0,
134 	CX231XX_TV_CABLE
135 };
136 
137 enum cx231xx_stream_state {
138 	STREAM_OFF,
139 	STREAM_INTERRUPT,
140 	STREAM_ON,
141 };
142 
143 struct cx231xx;
144 
145 struct cx231xx_isoc_ctl {
146 	/* max packet size of isoc transaction */
147 	int max_pkt_size;
148 
149 	/* number of allocated urbs */
150 	int num_bufs;
151 
152 	/* urb for isoc transfers */
153 	struct urb **urb;
154 
155 	/* transfer buffers for isoc transfer */
156 	char **transfer_buffer;
157 
158 	/* Last buffer command and region */
159 	u8 cmd;
160 	int pos, size, pktsize;
161 
162 	/* Last field: ODD or EVEN? */
163 	int field;
164 
165 	/* Stores incomplete commands */
166 	u32 tmp_buf;
167 	int tmp_buf_len;
168 
169 	/* Stores already requested buffers */
170 	struct cx231xx_buffer *buf;
171 
172 	/* Stores the number of received fields */
173 	int nfields;
174 
175 	/* isoc urb callback */
176 	int (*isoc_copy) (struct cx231xx *dev, struct urb *urb);
177 };
178 
179 struct cx231xx_bulk_ctl {
180 	/* max packet size of bulk transaction */
181 	int max_pkt_size;
182 
183 	/* number of allocated urbs */
184 	int num_bufs;
185 
186 	/* urb for bulk transfers */
187 	struct urb **urb;
188 
189 	/* transfer buffers for bulk transfer */
190 	char **transfer_buffer;
191 
192 	/* Last buffer command and region */
193 	u8 cmd;
194 	int pos, size, pktsize;
195 
196 	/* Last field: ODD or EVEN? */
197 	int field;
198 
199 	/* Stores incomplete commands */
200 	u32 tmp_buf;
201 	int tmp_buf_len;
202 
203 	/* Stores already requested buffers */
204 	struct cx231xx_buffer *buf;
205 
206 	/* Stores the number of received fields */
207 	int nfields;
208 
209 	/* bulk urb callback */
210 	int (*bulk_copy) (struct cx231xx *dev, struct urb *urb);
211 };
212 
213 struct cx231xx_fmt {
214 	char *name;
215 	u32 fourcc;		/* v4l2 format id */
216 	int depth;
217 	int reg;
218 };
219 
220 /* buffer for one video frame */
221 struct cx231xx_buffer {
222 	/* common v4l buffer stuff -- must be first */
223 	struct videobuf_buffer vb;
224 
225 	struct list_head frame;
226 	int top_field;
227 	int receiving;
228 };
229 
230 enum ps_package_head {
231 	CX231XX_NEED_ADD_PS_PACKAGE_HEAD = 0,
232 	CX231XX_NONEED_PS_PACKAGE_HEAD
233 };
234 
235 struct cx231xx_dmaqueue {
236 	struct list_head active;
237 	struct list_head queued;
238 
239 	wait_queue_head_t wq;
240 
241 	/* Counters to control buffer fill */
242 	int pos;
243 	u8 is_partial_line;
244 	u8 partial_buf[8];
245 	u8 last_sav;
246 	int current_field;
247 	u32 bytes_left_in_line;
248 	u32 lines_completed;
249 	u8 field1_done;
250 	u32 lines_per_field;
251 
252 	/*Mpeg2 control buffer*/
253 	u8 *p_left_data;
254 	u32 left_data_count;
255 	u8 mpeg_buffer_done;
256 	u32 mpeg_buffer_completed;
257 	enum ps_package_head add_ps_package_head;
258 	char ps_head[10];
259 };
260 
261 /* inputs */
262 
263 #define MAX_CX231XX_INPUT               4
264 
265 enum cx231xx_itype {
266 	CX231XX_VMUX_COMPOSITE1 = 1,
267 	CX231XX_VMUX_SVIDEO,
268 	CX231XX_VMUX_TELEVISION,
269 	CX231XX_VMUX_CABLE,
270 	CX231XX_RADIO,
271 	CX231XX_VMUX_DVB,
272 	CX231XX_VMUX_DEBUG
273 };
274 
275 enum cx231xx_v_input {
276 	CX231XX_VIN_1_1 = 0x1,
277 	CX231XX_VIN_2_1,
278 	CX231XX_VIN_3_1,
279 	CX231XX_VIN_4_1,
280 	CX231XX_VIN_1_2 = 0x01,
281 	CX231XX_VIN_2_2,
282 	CX231XX_VIN_3_2,
283 	CX231XX_VIN_1_3 = 0x1,
284 	CX231XX_VIN_2_3,
285 	CX231XX_VIN_3_3,
286 };
287 
288 /* cx231xx has two audio inputs: tuner and line in */
289 enum cx231xx_amux {
290 	/* This is the only entry for cx231xx tuner input */
291 	CX231XX_AMUX_VIDEO,	/* cx231xx tuner */
292 	CX231XX_AMUX_LINE_IN,	/* Line In */
293 };
294 
295 struct cx231xx_reg_seq {
296 	unsigned char bit;
297 	unsigned char val;
298 	int sleep;
299 };
300 
301 struct cx231xx_input {
302 	enum cx231xx_itype type;
303 	unsigned int vmux;
304 	enum cx231xx_amux amux;
305 	struct cx231xx_reg_seq *gpio;
306 };
307 
308 #define INPUT(nr) (&cx231xx_boards[dev->model].input[nr])
309 
310 enum cx231xx_decoder {
311 	CX231XX_NODECODER,
312 	CX231XX_AVDECODER
313 };
314 
315 enum CX231XX_I2C_MASTER_PORT {
316 	I2C_0 = 0,
317 	I2C_1 = 1,
318 	I2C_2 = 2,
319 	I2C_3 = 3
320 };
321 
322 struct cx231xx_board {
323 	char *name;
324 	int vchannels;
325 	int tuner_type;
326 	int tuner_addr;
327 	v4l2_std_id norm;	/* tv norm */
328 
329 	/* demod related */
330 	int demod_addr;
331 	u8 demod_xfer_mode;	/* 0 - Serial; 1 - parallel */
332 
333 	/* GPIO Pins */
334 	struct cx231xx_reg_seq *dvb_gpio;
335 	struct cx231xx_reg_seq *suspend_gpio;
336 	struct cx231xx_reg_seq *tuner_gpio;
337 		/* Negative means don't use it */
338 	s8 tuner_sif_gpio;
339 	s8 tuner_scl_gpio;
340 	s8 tuner_sda_gpio;
341 
342 	/* PIN ctrl */
343 	u32 ctl_pin_status_mask;
344 	u8 agc_analog_digital_select_gpio;
345 	u32 gpio_pin_status_mask;
346 
347 	/* i2c masters */
348 	u8 tuner_i2c_master;
349 	u8 demod_i2c_master;
350 	u8 ir_i2c_master;
351 
352 	/* for devices with I2C chips for IR */
353 	char *rc_map_name;
354 
355 	unsigned int max_range_640_480:1;
356 	unsigned int has_dvb:1;
357 	unsigned int has_417:1;
358 	unsigned int valid:1;
359 	unsigned int no_alt_vanc:1;
360 	unsigned int external_av:1;
361 	unsigned int dont_use_port_3:1;
362 
363 	unsigned char xclk, i2c_speed;
364 
365 	enum cx231xx_decoder decoder;
366 	int output_mode;
367 
368 	struct cx231xx_input input[MAX_CX231XX_INPUT];
369 	struct cx231xx_input radio;
370 	struct rc_map *ir_codes;
371 };
372 
373 /* device states */
374 enum cx231xx_dev_state {
375 	DEV_INITIALIZED = 0x01,
376 	DEV_DISCONNECTED = 0x02,
377 	DEV_MISCONFIGURED = 0x04,
378 };
379 
380 enum AFE_MODE {
381 	AFE_MODE_LOW_IF,
382 	AFE_MODE_BASEBAND,
383 	AFE_MODE_EU_HI_IF,
384 	AFE_MODE_US_HI_IF,
385 	AFE_MODE_JAPAN_HI_IF
386 };
387 
388 enum AUDIO_INPUT {
389 	AUDIO_INPUT_MUTE,
390 	AUDIO_INPUT_LINE,
391 	AUDIO_INPUT_TUNER_TV,
392 	AUDIO_INPUT_SPDIF,
393 	AUDIO_INPUT_TUNER_FM
394 };
395 
396 #define CX231XX_AUDIO_BUFS              5
397 #define CX231XX_NUM_AUDIO_PACKETS       16
398 #define CX231XX_ISO_NUM_AUDIO_PACKETS	64
399 
400 /* cx231xx extensions */
401 #define CX231XX_AUDIO                   0x10
402 #define CX231XX_DVB                     0x20
403 
404 struct cx231xx_audio {
405 	char name[50];
406 	char *transfer_buffer[CX231XX_AUDIO_BUFS];
407 	struct urb *urb[CX231XX_AUDIO_BUFS];
408 	struct usb_device *udev;
409 	unsigned int capture_transfer_done;
410 	struct snd_pcm_substream *capture_pcm_substream;
411 
412 	unsigned int hwptr_done_capture;
413 	struct snd_card *sndcard;
414 
415 	int users, shutdown;
416 	/* locks */
417 	spinlock_t slock;
418 
419 	int alt;		/* alternate */
420 	int max_pkt_size;	/* max packet size of isoc transaction */
421 	int num_alt;		/* Number of alternative settings */
422 	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
423 	u16 end_point_addr;
424 };
425 
426 struct cx231xx;
427 
428 struct cx231xx_fh {
429 	struct cx231xx *dev;
430 	unsigned int stream_on:1;	/* Locks streams */
431 	int radio;
432 
433 	struct videobuf_queue vb_vidq;
434 
435 	enum v4l2_buf_type type;
436 
437 
438 
439 /*following is copyed from cx23885.h*/
440 	u32                        resources;
441 
442 	/* video overlay */
443 	struct v4l2_window         win;
444 	struct v4l2_clip           *clips;
445 	unsigned int               nclips;
446 
447 	/* video capture */
448 	struct cx23417_fmt         *fmt;
449 	unsigned int               width, height;
450 
451 	/* vbi capture */
452 	struct videobuf_queue      vidq;
453 	struct videobuf_queue      vbiq;
454 
455 	/* MPEG Encoder specifics ONLY */
456 
457 	atomic_t                   v4l_reading;
458 };
459 
460 /*****************************************************************/
461 /* set/get i2c */
462 /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
463 #define I2C_SPEED_1M            0x0
464 #define I2C_SPEED_400K          0x1
465 #define I2C_SPEED_100K          0x2
466 #define I2C_SPEED_5M            0x3
467 
468 /* 0-- STOP transaction */
469 #define I2C_STOP                0x0
470 /* 1-- do not transmit STOP at end of transaction */
471 #define I2C_NOSTOP              0x1
472 /* 1--allow slave to insert clock wait states */
473 #define I2C_SYNC                0x1
474 
475 struct cx231xx_i2c {
476 	struct cx231xx *dev;
477 
478 	int nr;
479 
480 	/* i2c i/o */
481 	struct i2c_adapter i2c_adap;
482 	struct i2c_algo_bit_data i2c_algo;
483 	struct i2c_client i2c_client;
484 	u32 i2c_rc;
485 
486 	/* different settings for each bus */
487 	u8 i2c_period;
488 	u8 i2c_nostop;
489 	u8 i2c_reserve;
490 };
491 
492 struct cx231xx_i2c_xfer_data {
493 	u8 dev_addr;
494 	u8 direction;		/* 1 - IN, 0 - OUT */
495 	u8 saddr_len;		/* sub address len */
496 	u16 saddr_dat;		/* sub addr data */
497 	u8 buf_size;		/* buffer size */
498 	u8 *p_buffer;		/* pointer to the buffer */
499 };
500 
501 struct VENDOR_REQUEST_IN {
502 	u8 bRequest;
503 	u16 wValue;
504 	u16 wIndex;
505 	u16 wLength;
506 	u8 direction;
507 	u8 bData;
508 	u8 *pBuff;
509 };
510 
511 struct cx231xx_tvnorm {
512 	char		*name;
513 	v4l2_std_id	id;
514 	u32		cxiformat;
515 	u32		cxoformat;
516 };
517 
518 struct cx231xx_ctrl {
519 	struct v4l2_queryctrl v;
520 	u32 off;
521 	u32 reg;
522 	u32 mask;
523 	u32 shift;
524 };
525 
526 enum TRANSFER_TYPE {
527 	Raw_Video = 0,
528 	Audio,
529 	Vbi,			/* VANC */
530 	Sliced_cc,		/* HANC */
531 	TS1_serial_mode,
532 	TS2,
533 	TS1_parallel_mode
534 } ;
535 
536 struct cx231xx_video_mode {
537 	/* Isoc control struct */
538 	struct cx231xx_dmaqueue vidq;
539 	struct cx231xx_isoc_ctl isoc_ctl;
540 	struct cx231xx_bulk_ctl bulk_ctl;
541 	/* locks */
542 	spinlock_t slock;
543 
544 	/* usb transfer */
545 	int alt;		/* alternate */
546 	int max_pkt_size;	/* max packet size of isoc transaction */
547 	int num_alt;		/* Number of alternative settings */
548 	unsigned int *alt_max_pkt_size;	/* array of wMaxPacketSize */
549 	u16 end_point_addr;
550 };
551 /*
552 struct cx23885_dmaqueue {
553 	struct list_head       active;
554 	struct list_head       queued;
555 	struct timer_list      timeout;
556 	struct btcx_riscmem    stopper;
557 	u32                    count;
558 };
559 */
560 struct cx231xx_tsport {
561 	struct cx231xx *dev;
562 
563 	int                        nr;
564 	int                        sram_chno;
565 
566 	struct videobuf_dvb_frontends frontends;
567 
568 	/* dma queues */
569 
570 	u32                        ts_packet_size;
571 	u32                        ts_packet_count;
572 
573 	int                        width;
574 	int                        height;
575 
576 	/* locks */
577 	spinlock_t                 slock;
578 
579 	/* registers */
580 	u32                        reg_gpcnt;
581 	u32                        reg_gpcnt_ctl;
582 	u32                        reg_dma_ctl;
583 	u32                        reg_lngth;
584 	u32                        reg_hw_sop_ctrl;
585 	u32                        reg_gen_ctrl;
586 	u32                        reg_bd_pkt_status;
587 	u32                        reg_sop_status;
588 	u32                        reg_fifo_ovfl_stat;
589 	u32                        reg_vld_misc;
590 	u32                        reg_ts_clk_en;
591 	u32                        reg_ts_int_msk;
592 	u32                        reg_ts_int_stat;
593 	u32                        reg_src_sel;
594 
595 	/* Default register vals */
596 	int                        pci_irqmask;
597 	u32                        dma_ctl_val;
598 	u32                        ts_int_msk_val;
599 	u32                        gen_ctrl_val;
600 	u32                        ts_clk_en_val;
601 	u32                        src_sel_val;
602 	u32                        vld_misc_val;
603 	u32                        hw_sop_ctrl_val;
604 
605 	/* Allow a single tsport to have multiple frontends */
606 	u32                        num_frontends;
607 	void                       *port_priv;
608 };
609 
610 /* main device struct */
611 struct cx231xx {
612 	/* generic device properties */
613 	char name[30];		/* name (including minor) of the device */
614 	int model;		/* index in the device_data struct */
615 	int devno;		/* marks the number of this device */
616 
617 	struct cx231xx_board board;
618 
619 	/* For I2C IR support */
620 	struct IR_i2c_init_data    init_data;
621 
622 	unsigned int stream_on:1;	/* Locks streams */
623 	unsigned int vbi_stream_on:1;	/* Locks streams for VBI */
624 	unsigned int has_audio_class:1;
625 	unsigned int has_alsa_audio:1;
626 
627 	struct cx231xx_fmt *format;
628 
629 	struct v4l2_device v4l2_dev;
630 	struct v4l2_subdev *sd_cx25840;
631 	struct v4l2_subdev *sd_tuner;
632 
633 	struct work_struct wq_trigger;		/* Trigger to start/stop audio for alsa module */
634 	atomic_t	   stream_started;	/* stream should be running if true */
635 
636 	struct list_head devlist;
637 
638 	int tuner_type;		/* type of the tuner */
639 	int tuner_addr;		/* tuner address */
640 
641 	/* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
642 	struct cx231xx_i2c i2c_bus[3];
643 	unsigned int xc_fw_load_done:1;
644 	/* locks */
645 	struct mutex gpio_i2c_lock;
646 	struct mutex i2c_lock;
647 
648 	/* video for linux */
649 	int users;		/* user count for exclusive use */
650 	struct video_device *vdev;	/* video for linux device struct */
651 	v4l2_std_id norm;	/* selected tv norm */
652 	int ctl_freq;		/* selected frequency */
653 	unsigned int ctl_ainput;	/* selected audio input */
654 	int mute;
655 	int volume;
656 
657 	/* frame properties */
658 	int width;		/* current frame width */
659 	int height;		/* current frame height */
660 	int interlaced;		/* 1=interlace fileds, 0=just top fileds */
661 
662 	struct cx231xx_audio adev;
663 
664 	/* states */
665 	enum cx231xx_dev_state state;
666 
667 	struct work_struct request_module_wk;
668 
669 	/* locks */
670 	struct mutex lock;
671 	struct mutex ctrl_urb_lock;	/* protects urb_buf */
672 	struct list_head inqueue, outqueue;
673 	wait_queue_head_t open, wait_frame, wait_stream;
674 	struct video_device *vbi_dev;
675 	struct video_device *radio_dev;
676 
677 	unsigned char eedata[256];
678 
679 	struct cx231xx_video_mode video_mode;
680 	struct cx231xx_video_mode vbi_mode;
681 	struct cx231xx_video_mode sliced_cc_mode;
682 	struct cx231xx_video_mode ts1_mode;
683 
684 	atomic_t devlist_count;
685 
686 	struct usb_device *udev;	/* the usb device */
687 	char urb_buf[URB_MAX_CTRL_SIZE];	/* urb control msg buffer */
688 
689 	/* helper funcs that call usb_control_msg */
690 	int (*cx231xx_read_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
691 				      char *buf, int len);
692 	int (*cx231xx_write_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
693 				       char *buf, int len);
694 	int (*cx231xx_send_usb_command) (struct cx231xx_i2c *i2c_bus,
695 				struct cx231xx_i2c_xfer_data *req_data);
696 	int (*cx231xx_gpio_i2c_read) (struct cx231xx *dev, u8 dev_addr,
697 				      u8 *buf, u8 len);
698 	int (*cx231xx_gpio_i2c_write) (struct cx231xx *dev, u8 dev_addr,
699 				       u8 *buf, u8 len);
700 
701 	int (*cx231xx_set_analog_freq) (struct cx231xx *dev, u32 freq);
702 	int (*cx231xx_reset_analog_tuner) (struct cx231xx *dev);
703 
704 	enum cx231xx_mode mode;
705 
706 	struct cx231xx_dvb *dvb;
707 
708 	/* Cx231xx supported PCB config's */
709 	struct pcb_config current_pcb_config;
710 	u8 current_scenario_idx;
711 	u8 interface_count;
712 	u8 max_iad_interface_count;
713 
714 	/* GPIO related register direction and values */
715 	u32 gpio_dir;
716 	u32 gpio_val;
717 
718 	/* Power Modes */
719 	int power_mode;
720 
721 	/* afe parameters */
722 	enum AFE_MODE afe_mode;
723 	u32 afe_ref_count;
724 
725 	/* video related parameters */
726 	u32 video_input;
727 	u32 active_mode;
728 	u8 vbi_or_sliced_cc_mode;	/* 0 - vbi ; 1 - sliced cc mode */
729 	enum cx231xx_std_mode std_mode;	/* 0 - Air; 1 - cable */
730 
731 	/*mode: digital=1 or analog=0*/
732 	u8 mode_tv;
733 
734 	u8 USE_ISO;
735 	struct cx231xx_tvnorm      encodernorm;
736 	struct cx231xx_tsport      ts1, ts2;
737 	struct cx2341x_mpeg_params mpeg_params;
738 	struct video_device        *v4l_device;
739 	atomic_t                   v4l_reader_count;
740 	u32                        freq;
741 	unsigned int               input;
742 	u32                        cx23417_mailbox;
743 	u32                        __iomem *lmmio;
744 	u8                         __iomem *bmmio;
745 };
746 
747 extern struct list_head cx231xx_devlist;
748 
749 #define cx25840_call(cx231xx, o, f, args...) \
750 	v4l2_subdev_call(cx231xx->sd_cx25840, o, f, ##args)
751 #define tuner_call(cx231xx, o, f, args...) \
752 	v4l2_subdev_call(cx231xx->sd_tuner, o, f, ##args)
753 #define call_all(dev, o, f, args...) \
754 	v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
755 
756 struct cx231xx_ops {
757 	struct list_head next;
758 	char *name;
759 	int id;
760 	int (*init) (struct cx231xx *);
761 	int (*fini) (struct cx231xx *);
762 };
763 
764 /* call back functions in dvb module */
765 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq);
766 int cx231xx_reset_analog_tuner(struct cx231xx *dev);
767 
768 /* Provided by cx231xx-i2c.c */
769 void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c);
770 int cx231xx_i2c_register(struct cx231xx_i2c *bus);
771 int cx231xx_i2c_unregister(struct cx231xx_i2c *bus);
772 
773 /* Internal block control functions */
774 int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
775 		 u8 saddr_len, u32 *data, u8 data_len, int master);
776 int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr,
777 		 u8 saddr_len, u32 data, u8 data_len, int master);
778 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr,
779 			  u16 saddr, u8 saddr_len, u32 *data, u8 data_len);
780 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr,
781 			   u16 saddr, u8 saddr_len, u32 data, u8 data_len);
782 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size,
783 			   u16 register_address, u8 bit_start, u8 bit_end,
784 			   u32 value);
785 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
786 					u16 saddr, u32 mask, u32 value);
787 u32 cx231xx_set_field(u32 field_mask, u32 data);
788 
789 /*verve r/w*/
790 void initGPIO(struct cx231xx *dev);
791 void uninitGPIO(struct cx231xx *dev);
792 /* afe related functions */
793 int cx231xx_afe_init_super_block(struct cx231xx *dev, u32 ref_count);
794 int cx231xx_afe_init_channels(struct cx231xx *dev);
795 int cx231xx_afe_setup_AFE_for_baseband(struct cx231xx *dev);
796 int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux);
797 int cx231xx_afe_set_mode(struct cx231xx *dev, enum AFE_MODE mode);
798 int cx231xx_afe_update_power_control(struct cx231xx *dev,
799 					enum AV_MODE avmode);
800 int cx231xx_afe_adjust_ref_count(struct cx231xx *dev, u32 video_input);
801 
802 /* i2s block related functions */
803 int cx231xx_i2s_blk_initialize(struct cx231xx *dev);
804 int cx231xx_i2s_blk_update_power_control(struct cx231xx *dev,
805 					enum AV_MODE avmode);
806 int cx231xx_i2s_blk_set_audio_input(struct cx231xx *dev, u8 audio_input);
807 
808 /* DIF related functions */
809 int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
810 					  u32 function_mode, u32 standard);
811 void cx231xx_set_Colibri_For_LowIF(struct cx231xx *dev, u32 if_freq,
812 					 u8 spectral_invert, u32 mode);
813 u32 cx231xx_Get_Colibri_CarrierOffset(u32 mode, u32 standerd);
814 void cx231xx_set_DIF_bandpass(struct cx231xx *dev, u32 if_freq,
815 					 u8 spectral_invert, u32 mode);
816 void cx231xx_Setup_AFE_for_LowIF(struct cx231xx *dev);
817 void reset_s5h1432_demod(struct cx231xx *dev);
818 void cx231xx_dump_HH_reg(struct cx231xx *dev);
819 void update_HH_register_after_set_DIF(struct cx231xx *dev);
820 void cx231xx_dump_SC_reg(struct cx231xx *dev);
821 
822 
823 
824 int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard);
825 int cx231xx_tuner_pre_channel_change(struct cx231xx *dev);
826 int cx231xx_tuner_post_channel_change(struct cx231xx *dev);
827 
828 /* video parser functions */
829 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size,
830 			     u32 *p_bytes_used);
831 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
832 				 u32 *p_bytes_used);
833 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
834 		    u8 *p_buffer, u32 bytes_to_copy);
835 void cx231xx_reset_video_buffer(struct cx231xx *dev,
836 				struct cx231xx_dmaqueue *dma_q);
837 u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q);
838 u32 cx231xx_copy_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
839 			    u8 *p_line, u32 length, int field_number);
840 u32 cx231xx_get_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
841 			   u8 sav_eav, u8 *p_buffer, u32 buffer_size);
842 void cx231xx_swab(u16 *from, u16 *to, u16 len);
843 
844 /* Provided by cx231xx-core.c */
845 
846 u32 cx231xx_request_buffers(struct cx231xx *dev, u32 count);
847 void cx231xx_queue_unusedframes(struct cx231xx *dev);
848 void cx231xx_release_buffers(struct cx231xx *dev);
849 
850 /* read from control pipe */
851 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
852 			  char *buf, int len);
853 
854 /* write to control pipe */
855 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
856 			   char *buf, int len);
857 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode);
858 
859 int cx231xx_send_vendor_cmd(struct cx231xx *dev,
860 				struct VENDOR_REQUEST_IN *ven_req);
861 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
862 				struct cx231xx_i2c_xfer_data *req_data);
863 
864 /* Gpio related functions */
865 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val,
866 			  u8 len, u8 request, u8 direction);
867 int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val);
868 int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val);
869 int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value);
870 int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number,
871 			       int pin_value);
872 
873 int cx231xx_gpio_i2c_start(struct cx231xx *dev);
874 int cx231xx_gpio_i2c_end(struct cx231xx *dev);
875 int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data);
876 int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf);
877 int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev);
878 int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev);
879 int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev);
880 
881 int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len);
882 int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf, u8 len);
883 
884 /* audio related functions */
885 int cx231xx_set_audio_decoder_input(struct cx231xx *dev,
886 				    enum AUDIO_INPUT audio_input);
887 
888 int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type);
889 int cx231xx_set_video_alternate(struct cx231xx *dev);
890 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt);
891 int is_fw_load(struct cx231xx *dev);
892 int cx231xx_check_fw(struct cx231xx *dev);
893 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
894 		      int num_bufs, int max_pkt_size,
895 		      int (*isoc_copy) (struct cx231xx *dev,
896 					struct urb *urb));
897 int cx231xx_init_bulk(struct cx231xx *dev, int max_packets,
898 		      int num_bufs, int max_pkt_size,
899 		      int (*bulk_copy) (struct cx231xx *dev,
900 					struct urb *urb));
901 void cx231xx_stop_TS1(struct cx231xx *dev);
902 void cx231xx_start_TS1(struct cx231xx *dev);
903 void cx231xx_uninit_isoc(struct cx231xx *dev);
904 void cx231xx_uninit_bulk(struct cx231xx *dev);
905 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode);
906 int cx231xx_unmute_audio(struct cx231xx *dev);
907 int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size);
908 void cx231xx_disable656(struct cx231xx *dev);
909 void cx231xx_enable656(struct cx231xx *dev);
910 int cx231xx_demod_reset(struct cx231xx *dev);
911 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio);
912 
913 /* Device list functions */
914 void cx231xx_release_resources(struct cx231xx *dev);
915 void cx231xx_release_analog_resources(struct cx231xx *dev);
916 int cx231xx_register_analog_devices(struct cx231xx *dev);
917 void cx231xx_remove_from_devlist(struct cx231xx *dev);
918 void cx231xx_add_into_devlist(struct cx231xx *dev);
919 void cx231xx_init_extension(struct cx231xx *dev);
920 void cx231xx_close_extension(struct cx231xx *dev);
921 
922 /* hardware init functions */
923 int cx231xx_dev_init(struct cx231xx *dev);
924 void cx231xx_dev_uninit(struct cx231xx *dev);
925 void cx231xx_config_i2c(struct cx231xx *dev);
926 int cx231xx_config(struct cx231xx *dev);
927 
928 /* Stream control functions */
929 int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask);
930 int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask);
931 
932 int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type);
933 
934 /* Power control functions */
935 int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode);
936 int cx231xx_power_suspend(struct cx231xx *dev);
937 
938 /* chip specific control functions */
939 int cx231xx_init_ctrl_pin_status(struct cx231xx *dev);
940 int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
941 					      u8 analog_or_digital);
942 int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3);
943 
944 /* video audio decoder related functions */
945 void video_mux(struct cx231xx *dev, int index);
946 int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input);
947 int cx231xx_set_decoder_video_input(struct cx231xx *dev, u8 pin_type, u8 input);
948 int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev);
949 int cx231xx_set_audio_input(struct cx231xx *dev, u8 input);
950 
951 /* Provided by cx231xx-video.c */
952 int cx231xx_register_extension(struct cx231xx_ops *dev);
953 void cx231xx_unregister_extension(struct cx231xx_ops *dev);
954 void cx231xx_init_extension(struct cx231xx *dev);
955 void cx231xx_close_extension(struct cx231xx *dev);
956 
957 /* Provided by cx231xx-cards.c */
958 extern void cx231xx_pre_card_setup(struct cx231xx *dev);
959 extern void cx231xx_card_setup(struct cx231xx *dev);
960 extern struct cx231xx_board cx231xx_boards[];
961 extern struct usb_device_id cx231xx_id_table[];
962 extern const unsigned int cx231xx_bcount;
963 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg);
964 
965 /* cx23885-417.c                                               */
966 extern int cx231xx_417_register(struct cx231xx *dev);
967 extern void cx231xx_417_unregister(struct cx231xx *dev);
968 
969 /* cx23885-input.c                                             */
970 
971 #if defined(CONFIG_VIDEO_CX231XX_RC)
972 int cx231xx_ir_init(struct cx231xx *dev);
973 void cx231xx_ir_exit(struct cx231xx *dev);
974 #else
975 #define cx231xx_ir_init(dev)	(0)
976 #define cx231xx_ir_exit(dev)	(0)
977 #endif
978 
979 
980 /* printk macros */
981 
982 #define cx231xx_err(fmt, arg...) do {\
983 	printk(KERN_ERR fmt , ##arg); } while (0)
984 
985 #define cx231xx_errdev(fmt, arg...) do {\
986 	printk(KERN_ERR "%s: "fmt,\
987 			dev->name , ##arg); } while (0)
988 
989 #define cx231xx_info(fmt, arg...) do {\
990 	printk(KERN_INFO "%s: "fmt,\
991 			dev->name , ##arg); } while (0)
992 #define cx231xx_warn(fmt, arg...) do {\
993 	printk(KERN_WARNING "%s: "fmt,\
994 			dev->name , ##arg); } while (0)
995 
norm_maxw(struct cx231xx * dev)996 static inline unsigned int norm_maxw(struct cx231xx *dev)
997 {
998 	if (dev->board.max_range_640_480)
999 		return 640;
1000 	else
1001 		return 720;
1002 }
1003 
norm_maxh(struct cx231xx * dev)1004 static inline unsigned int norm_maxh(struct cx231xx *dev)
1005 {
1006 	if (dev->board.max_range_640_480)
1007 		return 480;
1008 	else
1009 		return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
1010 }
1011 #endif
1012