1 /*
2  *
3  * v4l2 device driver for cx2388x based TV cards
4  *
5  * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
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 #include <linux/pci.h>
23 #include <linux/i2c.h>
24 #include <linux/i2c-algo-bit.h>
25 #include <linux/videodev2.h>
26 #include <linux/kdev_t.h>
27 
28 #include <media/v4l2-device.h>
29 #include <media/tuner.h>
30 #include <media/tveeprom.h>
31 #include <media/videobuf-dma-sg.h>
32 #include <media/v4l2-chip-ident.h>
33 #include <media/cx2341x.h>
34 #include <media/videobuf-dvb.h>
35 #include <media/ir-kbd-i2c.h>
36 #include <media/wm8775.h>
37 
38 #include "btcx-risc.h"
39 #include "cx88-reg.h"
40 #include "tuner-xc2028.h"
41 
42 #include <linux/mutex.h>
43 
44 #define CX88_VERSION "0.0.9"
45 
46 #define UNSET (-1U)
47 
48 #define CX88_MAXBOARDS 8
49 
50 /* Max number of inputs by card */
51 #define MAX_CX88_INPUT 8
52 
53 /* ----------------------------------------------------------- */
54 /* defines and enums                                           */
55 
56 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
57 #define CX88_NORMS (V4L2_STD_ALL 		\
58 		    & ~V4L2_STD_PAL_H		\
59 		    & ~V4L2_STD_NTSC_M_KR	\
60 		    & ~V4L2_STD_SECAM_LC)
61 
62 #define FORMAT_FLAGS_PACKED       0x01
63 #define FORMAT_FLAGS_PLANAR       0x02
64 
65 #define VBI_LINE_COUNT              17
66 #define VBI_LINE_LENGTH           2048
67 
68 #define AUD_RDS_LINES		     4
69 
70 /* need "shadow" registers for some write-only ones ... */
71 #define SHADOW_AUD_VOL_CTL           1
72 #define SHADOW_AUD_BAL_CTL           2
73 #define SHADOW_MAX                   3
74 
75 /* FM Radio deemphasis type */
76 enum cx88_deemph_type {
77 	FM_NO_DEEMPH = 0,
78 	FM_DEEMPH_50,
79 	FM_DEEMPH_75
80 };
81 
82 enum cx88_board_type {
83 	CX88_BOARD_NONE = 0,
84 	CX88_MPEG_DVB,
85 	CX88_MPEG_BLACKBIRD
86 };
87 
88 enum cx8802_board_access {
89 	CX8802_DRVCTL_SHARED    = 1,
90 	CX8802_DRVCTL_EXCLUSIVE = 2,
91 };
92 
93 /* ----------------------------------------------------------- */
94 /* tv norms                                                    */
95 
norm_maxw(v4l2_std_id norm)96 static unsigned int inline norm_maxw(v4l2_std_id norm)
97 {
98 	return (norm & (V4L2_STD_MN & ~V4L2_STD_PAL_Nc)) ? 720 : 768;
99 }
100 
101 
norm_maxh(v4l2_std_id norm)102 static unsigned int inline norm_maxh(v4l2_std_id norm)
103 {
104 	return (norm & V4L2_STD_625_50) ? 576 : 480;
105 }
106 
107 /* ----------------------------------------------------------- */
108 /* static data                                                 */
109 
110 struct cx8800_fmt {
111 	const char  *name;
112 	u32   fourcc;          /* v4l2 format id */
113 	int   depth;
114 	int   flags;
115 	u32   cxformat;
116 };
117 
118 struct cx88_ctrl {
119 	struct v4l2_queryctrl  v;
120 	u32                    off;
121 	u32                    reg;
122 	u32                    sreg;
123 	u32                    mask;
124 	u32                    shift;
125 };
126 
127 /* ----------------------------------------------------------- */
128 /* SRAM memory management data (see cx88-core.c)               */
129 
130 #define SRAM_CH21 0   /* video */
131 #define SRAM_CH22 1
132 #define SRAM_CH23 2
133 #define SRAM_CH24 3   /* vbi   */
134 #define SRAM_CH25 4   /* audio */
135 #define SRAM_CH26 5
136 #define SRAM_CH28 6   /* mpeg */
137 #define SRAM_CH27 7   /* audio rds */
138 /* more */
139 
140 struct sram_channel {
141 	const char *name;
142 	u32  cmds_start;
143 	u32  ctrl_start;
144 	u32  cdt;
145 	u32  fifo_start;
146 	u32  fifo_size;
147 	u32  ptr1_reg;
148 	u32  ptr2_reg;
149 	u32  cnt1_reg;
150 	u32  cnt2_reg;
151 };
152 extern const struct sram_channel const cx88_sram_channels[];
153 
154 /* ----------------------------------------------------------- */
155 /* card configuration                                          */
156 
157 #define CX88_BOARD_NOAUTO               UNSET
158 #define CX88_BOARD_UNKNOWN                  0
159 #define CX88_BOARD_HAUPPAUGE                1
160 #define CX88_BOARD_GDI                      2
161 #define CX88_BOARD_PIXELVIEW                3
162 #define CX88_BOARD_ATI_WONDER_PRO           4
163 #define CX88_BOARD_WINFAST2000XP_EXPERT     5
164 #define CX88_BOARD_AVERTV_STUDIO_303        6
165 #define CX88_BOARD_MSI_TVANYWHERE_MASTER    7
166 #define CX88_BOARD_WINFAST_DV2000           8
167 #define CX88_BOARD_LEADTEK_PVR2000          9
168 #define CX88_BOARD_IODATA_GVVCP3PCI        10
169 #define CX88_BOARD_PROLINK_PLAYTVPVR       11
170 #define CX88_BOARD_ASUS_PVR_416            12
171 #define CX88_BOARD_MSI_TVANYWHERE          13
172 #define CX88_BOARD_KWORLD_DVB_T            14
173 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
174 #define CX88_BOARD_KWORLD_LTV883           16
175 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q  17
176 #define CX88_BOARD_HAUPPAUGE_DVB_T1        18
177 #define CX88_BOARD_CONEXANT_DVB_T1         19
178 #define CX88_BOARD_PROVIDEO_PV259          20
179 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
180 #define CX88_BOARD_PCHDTV_HD3000           22
181 #define CX88_BOARD_DNTV_LIVE_DVB_T         23
182 #define CX88_BOARD_HAUPPAUGE_ROSLYN        24
183 #define CX88_BOARD_DIGITALLOGIC_MEC        25
184 #define CX88_BOARD_IODATA_GVBCTV7E         26
185 #define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
186 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T  28
187 #define CX88_BOARD_ADSTECH_DVB_T_PCI          29
188 #define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1  30
189 #define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
190 #define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
191 #define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
192 #define CX88_BOARD_ATI_HDTVWONDER          34
193 #define CX88_BOARD_WINFAST_DTV1000         35
194 #define CX88_BOARD_AVERTV_303              36
195 #define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1  37
196 #define CX88_BOARD_HAUPPAUGE_NOVASE2_S1    38
197 #define CX88_BOARD_KWORLD_DVBS_100         39
198 #define CX88_BOARD_HAUPPAUGE_HVR1100       40
199 #define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
200 #define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
201 #define CX88_BOARD_KWORLD_DVB_T_CX22702    43
202 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
203 #define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
204 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
205 #define CX88_BOARD_PCHDTV_HD5500           47
206 #define CX88_BOARD_KWORLD_MCE200_DELUXE    48
207 #define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
208 #define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
209 #define CX88_BOARD_WINFAST_DTV2000H        51
210 #define CX88_BOARD_GENIATECH_DVBS          52
211 #define CX88_BOARD_HAUPPAUGE_HVR3000       53
212 #define CX88_BOARD_NORWOOD_MICRO           54
213 #define CX88_BOARD_TE_DTV_250_OEM_SWANN    55
214 #define CX88_BOARD_HAUPPAUGE_HVR1300       56
215 #define CX88_BOARD_ADSTECH_PTV_390         57
216 #define CX88_BOARD_PINNACLE_PCTV_HD_800i   58
217 #define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
218 #define CX88_BOARD_PINNACLE_HYBRID_PCTV    60
219 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
220 #define CX88_BOARD_POWERCOLOR_REAL_ANGEL   62
221 #define CX88_BOARD_GENIATECH_X8000_MT      63
222 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
223 #define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
224 #define CX88_BOARD_PROLINK_PV_8000GT       66
225 #define CX88_BOARD_KWORLD_ATSC_120         67
226 #define CX88_BOARD_HAUPPAUGE_HVR4000       68
227 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE   69
228 #define CX88_BOARD_TEVII_S460              70
229 #define CX88_BOARD_OMICOM_SS4_PCI          71
230 #define CX88_BOARD_TBS_8920                72
231 #define CX88_BOARD_TEVII_S420              73
232 #define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
233 #define CX88_BOARD_PROF_7300               75
234 #define CX88_BOARD_SATTRADE_ST4200         76
235 #define CX88_BOARD_TBS_8910                77
236 #define CX88_BOARD_PROF_6200               78
237 #define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
238 #define CX88_BOARD_HAUPPAUGE_IRONLY        80
239 #define CX88_BOARD_WINFAST_DTV1800H        81
240 #define CX88_BOARD_WINFAST_DTV2000H_J      82
241 #define CX88_BOARD_PROF_7301               83
242 #define CX88_BOARD_SAMSUNG_SMT_7020        84
243 #define CX88_BOARD_TWINHAN_VP1027_DVBS     85
244 #define CX88_BOARD_TEVII_S464              86
245 #define CX88_BOARD_WINFAST_DTV2000H_PLUS   87
246 #define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
247 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
248 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
249 
250 enum cx88_itype {
251 	CX88_VMUX_COMPOSITE1 = 1,
252 	CX88_VMUX_COMPOSITE2,
253 	CX88_VMUX_COMPOSITE3,
254 	CX88_VMUX_COMPOSITE4,
255 	CX88_VMUX_SVIDEO,
256 	CX88_VMUX_TELEVISION,
257 	CX88_VMUX_CABLE,
258 	CX88_VMUX_DVB,
259 	CX88_VMUX_DEBUG,
260 	CX88_RADIO,
261 };
262 
263 struct cx88_input {
264 	enum cx88_itype type;
265 	u32             gpio0, gpio1, gpio2, gpio3;
266 	unsigned int    vmux:2;
267 	unsigned int    audioroute:4;
268 };
269 
270 struct cx88_board {
271 	const char              *name;
272 	unsigned int            tuner_type;
273 	unsigned int		radio_type;
274 	unsigned char		tuner_addr;
275 	unsigned char		radio_addr;
276 	int                     tda9887_conf;
277 	struct cx88_input       input[MAX_CX88_INPUT];
278 	struct cx88_input       radio;
279 	enum cx88_board_type    mpeg;
280 	unsigned int            audio_chip;
281 	int			num_frontends;
282 
283 	/* Used for I2S devices */
284 	int			i2sinputcntl;
285 };
286 
287 struct cx88_subid {
288 	u16     subvendor;
289 	u16     subdevice;
290 	u32     card;
291 };
292 
293 enum cx88_tvaudio {
294 	WW_NONE = 1,
295 	WW_BTSC,
296 	WW_BG,
297 	WW_DK,
298 	WW_I,
299 	WW_L,
300 	WW_EIAJ,
301 	WW_I2SPT,
302 	WW_FM,
303 	WW_I2SADC,
304 	WW_M
305 };
306 
307 #define INPUT(nr) (core->board.input[nr])
308 
309 /* ----------------------------------------------------------- */
310 /* device / file handle status                                 */
311 
312 #define RESOURCE_OVERLAY       1
313 #define RESOURCE_VIDEO         2
314 #define RESOURCE_VBI           4
315 
316 #define BUFFER_TIMEOUT     msecs_to_jiffies(2000)
317 
318 /* buffer for one video frame */
319 struct cx88_buffer {
320 	/* common v4l buffer stuff -- must be first */
321 	struct videobuf_buffer vb;
322 
323 	/* cx88 specific */
324 	unsigned int           bpl;
325 	struct btcx_riscmem    risc;
326 	const struct cx8800_fmt *fmt;
327 	u32                    count;
328 };
329 
330 struct cx88_dmaqueue {
331 	struct list_head       active;
332 	struct list_head       queued;
333 	struct timer_list      timeout;
334 	struct btcx_riscmem    stopper;
335 	u32                    count;
336 };
337 
338 struct cx88_core {
339 	struct list_head           devlist;
340 	atomic_t                   refcount;
341 
342 	/* board name */
343 	int                        nr;
344 	char                       name[32];
345 
346 	/* pci stuff */
347 	int                        pci_bus;
348 	int                        pci_slot;
349 	u32                        __iomem *lmmio;
350 	u8                         __iomem *bmmio;
351 	u32                        shadow[SHADOW_MAX];
352 	int                        pci_irqmask;
353 
354 	/* i2c i/o */
355 	struct i2c_adapter         i2c_adap;
356 	struct i2c_algo_bit_data   i2c_algo;
357 	struct i2c_client          i2c_client;
358 	u32                        i2c_state, i2c_rc;
359 
360 	/* config info -- analog */
361 	struct v4l2_device 	   v4l2_dev;
362 	struct i2c_client 	   *i2c_rtc;
363 	unsigned int               boardnr;
364 	struct cx88_board	   board;
365 
366 	/* Supported V4L _STD_ tuner formats */
367 	unsigned int               tuner_formats;
368 
369 	/* config info -- dvb */
370 #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
371 	int 			   (*prev_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
372 #endif
373 	void			   (*gate_ctrl)(struct cx88_core  *core, int open);
374 
375 	/* state info */
376 	struct task_struct         *kthread;
377 	v4l2_std_id                tvnorm;
378 	enum cx88_tvaudio          tvaudio;
379 	u32                        audiomode_manual;
380 	u32                        audiomode_current;
381 	u32                        input;
382 	u32                        last_analog_input;
383 	u32                        astat;
384 	u32			   use_nicam;
385 	unsigned long		   last_change;
386 
387 	/* IR remote control state */
388 	struct cx88_IR             *ir;
389 
390 	/* I2C remote data */
391 	struct IR_i2c_init_data    init_data;
392 	struct wm8775_platform_data wm8775_data;
393 
394 	struct mutex               lock;
395 	/* various v4l controls */
396 	u32                        freq;
397 	int                        users;
398 	int                        mpeg_users;
399 
400 	/* cx88-video needs to access cx8802 for hybrid tuner pll access. */
401 	struct cx8802_dev          *dvbdev;
402 	enum cx88_board_type       active_type_id;
403 	int			   active_ref;
404 	int			   active_fe_id;
405 };
406 
to_core(struct v4l2_device * v4l2_dev)407 static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
408 {
409 	return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
410 }
411 
412 #define WM8775_GID	(1 << 0)
413 
414 #define call_hw(core, grpid, o, f, args...) \
415 	do {							\
416 		if (!core->i2c_rc) {				\
417 			if (core->gate_ctrl)			\
418 				core->gate_ctrl(core, 1);	\
419 			v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
420 			if (core->gate_ctrl)			\
421 				core->gate_ctrl(core, 0);	\
422 		}						\
423 	} while (0)
424 
425 #define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
426 
427 struct cx8800_dev;
428 struct cx8802_dev;
429 
430 /* ----------------------------------------------------------- */
431 /* function 0: video stuff                                     */
432 
433 struct cx8800_fh {
434 	struct cx8800_dev          *dev;
435 	enum v4l2_buf_type         type;
436 	int                        radio;
437 	unsigned int               resources;
438 
439 	/* video overlay */
440 	struct v4l2_window         win;
441 	struct v4l2_clip           *clips;
442 	unsigned int               nclips;
443 
444 	/* video capture */
445 	const struct cx8800_fmt    *fmt;
446 	unsigned int               width,height;
447 	struct videobuf_queue      vidq;
448 
449 	/* vbi capture */
450 	struct videobuf_queue      vbiq;
451 };
452 
453 struct cx8800_suspend_state {
454 	int                        disabled;
455 };
456 
457 struct cx8800_dev {
458 	struct cx88_core           *core;
459 	spinlock_t                 slock;
460 
461 	/* various device info */
462 	unsigned int               resources;
463 	struct video_device        *video_dev;
464 	struct video_device        *vbi_dev;
465 	struct video_device        *radio_dev;
466 
467 	/* pci i/o */
468 	struct pci_dev             *pci;
469 	unsigned char              pci_rev,pci_lat;
470 
471 
472 	/* capture queues */
473 	struct cx88_dmaqueue       vidq;
474 	struct cx88_dmaqueue       vbiq;
475 
476 	/* various v4l controls */
477 
478 	/* other global state info */
479 	struct cx8800_suspend_state state;
480 };
481 
482 /* ----------------------------------------------------------- */
483 /* function 1: audio/alsa stuff                                */
484 /* =============> moved to cx88-alsa.c <====================== */
485 
486 
487 /* ----------------------------------------------------------- */
488 /* function 2: mpeg stuff                                      */
489 
490 struct cx8802_fh {
491 	struct cx8802_dev          *dev;
492 	struct videobuf_queue      mpegq;
493 };
494 
495 struct cx8802_suspend_state {
496 	int                        disabled;
497 };
498 
499 struct cx8802_driver {
500 	struct cx88_core *core;
501 
502 	/* List of drivers attached to device */
503 	struct list_head drvlist;
504 
505 	/* Type of driver and access required */
506 	enum cx88_board_type type_id;
507 	enum cx8802_board_access hw_access;
508 
509 	/* MPEG 8802 internal only */
510 	int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
511 	int (*resume)(struct pci_dev *pci_dev);
512 
513 	/* Callers to the following functions must hold core->lock */
514 
515 	/* MPEG 8802 -> mini driver - Driver probe and configuration */
516 	int (*probe)(struct cx8802_driver *drv);
517 	int (*remove)(struct cx8802_driver *drv);
518 
519 	/* MPEG 8802 -> mini driver - Access for hardware control */
520 	int (*advise_acquire)(struct cx8802_driver *drv);
521 	int (*advise_release)(struct cx8802_driver *drv);
522 
523 	/* MPEG 8802 <- mini driver - Access for hardware control */
524 	int (*request_acquire)(struct cx8802_driver *drv);
525 	int (*request_release)(struct cx8802_driver *drv);
526 };
527 
528 struct cx8802_dev {
529 	struct cx88_core           *core;
530 	spinlock_t                 slock;
531 
532 	/* pci i/o */
533 	struct pci_dev             *pci;
534 	unsigned char              pci_rev,pci_lat;
535 
536 	/* dma queues */
537 	struct cx88_dmaqueue       mpegq;
538 	u32                        ts_packet_size;
539 	u32                        ts_packet_count;
540 
541 	/* other global state info */
542 	struct cx8802_suspend_state state;
543 
544 	/* for blackbird only */
545 	struct list_head           devlist;
546 #if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \
547     defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE)
548 	struct video_device        *mpeg_dev;
549 	u32                        mailbox;
550 	int                        width;
551 	int                        height;
552 	unsigned char              mpeg_active; /* nonzero if mpeg encoder is active */
553 
554 	/* mpeg params */
555 	struct cx2341x_mpeg_params params;
556 #endif
557 
558 #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
559 	/* for dvb only */
560 	struct videobuf_dvb_frontends frontends;
561 #endif
562 
563 #if defined(CONFIG_VIDEO_CX88_VP3054) || \
564     defined(CONFIG_VIDEO_CX88_VP3054_MODULE)
565 	/* For VP3045 secondary I2C bus support */
566 	struct vp3054_i2c_state	   *vp3054;
567 #endif
568 	/* for switching modulation types */
569 	unsigned char              ts_gen_cntrl;
570 
571 	/* List of attached drivers; must hold core->lock to access */
572 	struct list_head	   drvlist;
573 
574 	struct work_struct	   request_module_wk;
575 };
576 
577 /* ----------------------------------------------------------- */
578 
579 #define cx_read(reg)             readl(core->lmmio + ((reg)>>2))
580 #define cx_write(reg,value)      writel((value), core->lmmio + ((reg)>>2))
581 #define cx_writeb(reg,value)     writeb((value), core->bmmio + (reg))
582 
583 #define cx_andor(reg,mask,value) \
584   writel((readl(core->lmmio+((reg)>>2)) & ~(mask)) |\
585   ((value) & (mask)), core->lmmio+((reg)>>2))
586 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
587 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
588 
589 #define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
590 
591 /* shadow registers */
592 #define cx_sread(sreg)		    (core->shadow[sreg])
593 #define cx_swrite(sreg,reg,value) \
594   (core->shadow[sreg] = value, \
595    writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
596 #define cx_sandor(sreg,reg,mask,value) \
597   (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | ((value) & (mask)), \
598    writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
599 
600 /* ----------------------------------------------------------- */
601 /* cx88-core.c                                                 */
602 
603 extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
604 			       int len, u32 bits, u32 mask);
605 
606 extern int cx88_core_irq(struct cx88_core *core, u32 status);
607 extern void cx88_wakeup(struct cx88_core *core,
608 			struct cx88_dmaqueue *q, u32 count);
609 extern void cx88_shutdown(struct cx88_core *core);
610 extern int cx88_reset(struct cx88_core *core);
611 
612 extern int
613 cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
614 		 struct scatterlist *sglist,
615 		 unsigned int top_offset, unsigned int bottom_offset,
616 		 unsigned int bpl, unsigned int padding, unsigned int lines);
617 extern int
618 cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
619 		     struct scatterlist *sglist, unsigned int bpl,
620 		     unsigned int lines, unsigned int lpi);
621 extern int
622 cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
623 		  u32 reg, u32 mask, u32 value);
624 extern void
625 cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf);
626 
627 extern void cx88_risc_disasm(struct cx88_core *core,
628 			     struct btcx_riscmem *risc);
629 extern int cx88_sram_channel_setup(struct cx88_core *core,
630 				   const struct sram_channel *ch,
631 				   unsigned int bpl, u32 risc);
632 extern void cx88_sram_channel_dump(struct cx88_core *core,
633 				   const struct sram_channel *ch);
634 
635 extern int cx88_set_scale(struct cx88_core *core, unsigned int width,
636 			  unsigned int height, enum v4l2_field field);
637 extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
638 
639 extern struct video_device *cx88_vdev_init(struct cx88_core *core,
640 					   struct pci_dev *pci,
641 					   const struct video_device *template_,
642 					   const char *type);
643 extern struct cx88_core* cx88_core_get(struct pci_dev *pci);
644 extern void cx88_core_put(struct cx88_core *core,
645 			  struct pci_dev *pci);
646 
647 extern int cx88_start_audio_dma(struct cx88_core *core);
648 extern int cx88_stop_audio_dma(struct cx88_core *core);
649 
650 
651 /* ----------------------------------------------------------- */
652 /* cx88-vbi.c                                                  */
653 
654 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
655 int cx8800_vbi_fmt (struct file *file, void *priv,
656 					struct v4l2_format *f);
657 
658 /*
659 int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
660 			 struct cx88_dmaqueue *q,
661 			 struct cx88_buffer   *buf);
662 */
663 int cx8800_stop_vbi_dma(struct cx8800_dev *dev);
664 int cx8800_restart_vbi_queue(struct cx8800_dev    *dev,
665 			     struct cx88_dmaqueue *q);
666 void cx8800_vbi_timeout(unsigned long data);
667 
668 extern const struct videobuf_queue_ops cx8800_vbi_qops;
669 
670 /* ----------------------------------------------------------- */
671 /* cx88-i2c.c                                                  */
672 
673 extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
674 
675 
676 /* ----------------------------------------------------------- */
677 /* cx88-cards.c                                                */
678 
679 extern int cx88_tuner_callback(void *dev, int component, int command, int arg);
680 extern int cx88_get_resources(const struct cx88_core *core,
681 			      struct pci_dev *pci);
682 extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
683 extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
684 
685 /* ----------------------------------------------------------- */
686 /* cx88-tvaudio.c                                              */
687 
688 void cx88_set_tvaudio(struct cx88_core *core);
689 void cx88_newstation(struct cx88_core *core);
690 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
691 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
692 int cx88_audio_thread(void *data);
693 
694 int cx8802_register_driver(struct cx8802_driver *drv);
695 int cx8802_unregister_driver(struct cx8802_driver *drv);
696 
697 /* Caller must hold core->lock */
698 struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
699 
700 /* ----------------------------------------------------------- */
701 /* cx88-dsp.c                                                  */
702 
703 s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
704 
705 /* ----------------------------------------------------------- */
706 /* cx88-input.c                                                */
707 
708 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
709 int cx88_ir_fini(struct cx88_core *core);
710 void cx88_ir_irq(struct cx88_core *core);
711 int cx88_ir_start(struct cx88_core *core);
712 void cx88_ir_stop(struct cx88_core *core);
713 extern void cx88_i2c_init_ir(struct cx88_core *core);
714 
715 /* ----------------------------------------------------------- */
716 /* cx88-mpeg.c                                                 */
717 
718 int cx8802_buf_prepare(struct videobuf_queue *q,struct cx8802_dev *dev,
719 			struct cx88_buffer *buf, enum v4l2_field field);
720 void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
721 void cx8802_cancel_buffers(struct cx8802_dev *dev);
722 
723 /* ----------------------------------------------------------- */
724 /* cx88-video.c*/
725 extern const u32 cx88_user_ctrls[];
726 extern int cx8800_ctrl_query(struct cx88_core *core,
727 			     struct v4l2_queryctrl *qctrl);
728 int cx88_enum_input (struct cx88_core  *core,struct v4l2_input *i);
729 int cx88_set_freq (struct cx88_core  *core,struct v4l2_frequency *f);
730 int cx88_get_control(struct cx88_core *core, struct v4l2_control *ctl);
731 int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl);
732 int cx88_video_mux(struct cx88_core *core, unsigned int input);
733