1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * v4l2 device driver for cx2388x based TV cards
4  *
5  * (c) 2003,04 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs]
6  */
7 
8 #ifndef CX88_H
9 #define CX88_H
10 
11 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
12 
13 #include <linux/pci.h>
14 #include <linux/i2c.h>
15 #include <linux/i2c-algo-bit.h>
16 #include <linux/videodev2.h>
17 #include <linux/kdev_t.h>
18 #include <linux/refcount.h>
19 
20 #include <media/v4l2-device.h>
21 #include <media/v4l2-fh.h>
22 #include <media/tuner.h>
23 #include <media/tveeprom.h>
24 #include <media/videobuf2-dma-sg.h>
25 #include <media/drv-intf/cx2341x.h>
26 #include <media/videobuf2-dvb.h>
27 #include <media/i2c/ir-kbd-i2c.h>
28 #include <media/i2c/wm8775.h>
29 
30 #include "cx88-reg.h"
31 #include "xc2028.h"
32 
33 #include <linux/mutex.h>
34 
35 #define CX88_VERSION "1.0.0"
36 
37 #define UNSET (-1U)
38 
39 #define CX88_MAXBOARDS 8
40 
41 /* Max number of inputs by card */
42 #define MAX_CX88_INPUT 8
43 
44 /* ----------------------------------------------------------- */
45 /* defines and enums                                           */
46 
47 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
48 #define CX88_NORMS (V4L2_STD_ALL		\
49 		    & ~V4L2_STD_PAL_H		\
50 		    & ~V4L2_STD_NTSC_M_KR	\
51 		    & ~V4L2_STD_SECAM_LC)
52 
53 #define FORMAT_FLAGS_PACKED       0x01
54 #define FORMAT_FLAGS_PLANAR       0x02
55 
56 #define VBI_LINE_PAL_COUNT              18
57 #define VBI_LINE_NTSC_COUNT             12
58 #define VBI_LINE_LENGTH           2048
59 
60 #define AUD_RDS_LINES		     4
61 
62 /* need "shadow" registers for some write-only ones ... */
63 #define SHADOW_AUD_VOL_CTL           1
64 #define SHADOW_AUD_BAL_CTL           2
65 #define SHADOW_MAX                   3
66 
67 /* FM Radio deemphasis type */
68 enum cx88_deemph_type {
69 	FM_NO_DEEMPH = 0,
70 	FM_DEEMPH_50,
71 	FM_DEEMPH_75
72 };
73 
74 enum cx88_board_type {
75 	CX88_BOARD_NONE = 0,
76 	CX88_MPEG_DVB,
77 	CX88_MPEG_BLACKBIRD
78 };
79 
80 enum cx8802_board_access {
81 	CX8802_DRVCTL_SHARED    = 1,
82 	CX8802_DRVCTL_EXCLUSIVE = 2,
83 };
84 
85 /* ----------------------------------------------------------- */
86 /* tv norms                                                    */
87 
norm_maxw(v4l2_std_id norm)88 static inline unsigned int norm_maxw(v4l2_std_id norm)
89 {
90 	return 720;
91 }
92 
norm_maxh(v4l2_std_id norm)93 static inline unsigned int norm_maxh(v4l2_std_id norm)
94 {
95 	return (norm & V4L2_STD_525_60) ? 480 : 576;
96 }
97 
98 /* ----------------------------------------------------------- */
99 /* static data                                                 */
100 
101 struct cx8800_fmt {
102 	u32   fourcc;          /* v4l2 format id */
103 	int   depth;
104 	int   flags;
105 	u32   cxformat;
106 };
107 
108 /* ----------------------------------------------------------- */
109 /* SRAM memory management data (see cx88-core.c)               */
110 
111 #define SRAM_CH21 0   /* video */
112 #define SRAM_CH22 1
113 #define SRAM_CH23 2
114 #define SRAM_CH24 3   /* vbi   */
115 #define SRAM_CH25 4   /* audio */
116 #define SRAM_CH26 5
117 #define SRAM_CH28 6   /* mpeg */
118 #define SRAM_CH27 7   /* audio rds */
119 /* more */
120 
121 struct sram_channel {
122 	const char *name;
123 	u32  cmds_start;
124 	u32  ctrl_start;
125 	u32  cdt;
126 	u32  fifo_start;
127 	u32  fifo_size;
128 	u32  ptr1_reg;
129 	u32  ptr2_reg;
130 	u32  cnt1_reg;
131 	u32  cnt2_reg;
132 };
133 
134 extern const struct sram_channel cx88_sram_channels[];
135 
136 /* ----------------------------------------------------------- */
137 /* card configuration                                          */
138 
139 #define CX88_BOARD_NOAUTO               UNSET
140 #define CX88_BOARD_UNKNOWN                  0
141 #define CX88_BOARD_HAUPPAUGE                1
142 #define CX88_BOARD_GDI                      2
143 #define CX88_BOARD_PIXELVIEW                3
144 #define CX88_BOARD_ATI_WONDER_PRO           4
145 #define CX88_BOARD_WINFAST2000XP_EXPERT     5
146 #define CX88_BOARD_AVERTV_STUDIO_303        6
147 #define CX88_BOARD_MSI_TVANYWHERE_MASTER    7
148 #define CX88_BOARD_WINFAST_DV2000           8
149 #define CX88_BOARD_LEADTEK_PVR2000          9
150 #define CX88_BOARD_IODATA_GVVCP3PCI        10
151 #define CX88_BOARD_PROLINK_PLAYTVPVR       11
152 #define CX88_BOARD_ASUS_PVR_416            12
153 #define CX88_BOARD_MSI_TVANYWHERE          13
154 #define CX88_BOARD_KWORLD_DVB_T            14
155 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
156 #define CX88_BOARD_KWORLD_LTV883           16
157 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q  17
158 #define CX88_BOARD_HAUPPAUGE_DVB_T1        18
159 #define CX88_BOARD_CONEXANT_DVB_T1         19
160 #define CX88_BOARD_PROVIDEO_PV259          20
161 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
162 #define CX88_BOARD_PCHDTV_HD3000           22
163 #define CX88_BOARD_DNTV_LIVE_DVB_T         23
164 #define CX88_BOARD_HAUPPAUGE_ROSLYN        24
165 #define CX88_BOARD_DIGITALLOGIC_MEC        25
166 #define CX88_BOARD_IODATA_GVBCTV7E         26
167 #define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
168 #define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T  28
169 #define CX88_BOARD_ADSTECH_DVB_T_PCI          29
170 #define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1  30
171 #define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
172 #define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
173 #define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
174 #define CX88_BOARD_ATI_HDTVWONDER          34
175 #define CX88_BOARD_WINFAST_DTV1000         35
176 #define CX88_BOARD_AVERTV_303              36
177 #define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1  37
178 #define CX88_BOARD_HAUPPAUGE_NOVASE2_S1    38
179 #define CX88_BOARD_KWORLD_DVBS_100         39
180 #define CX88_BOARD_HAUPPAUGE_HVR1100       40
181 #define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
182 #define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
183 #define CX88_BOARD_KWORLD_DVB_T_CX22702    43
184 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
185 #define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
186 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
187 #define CX88_BOARD_PCHDTV_HD5500           47
188 #define CX88_BOARD_KWORLD_MCE200_DELUXE    48
189 #define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
190 #define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
191 #define CX88_BOARD_WINFAST_DTV2000H        51
192 #define CX88_BOARD_GENIATECH_DVBS          52
193 #define CX88_BOARD_HAUPPAUGE_HVR3000       53
194 #define CX88_BOARD_NORWOOD_MICRO           54
195 #define CX88_BOARD_TE_DTV_250_OEM_SWANN    55
196 #define CX88_BOARD_HAUPPAUGE_HVR1300       56
197 #define CX88_BOARD_ADSTECH_PTV_390         57
198 #define CX88_BOARD_PINNACLE_PCTV_HD_800i   58
199 #define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
200 #define CX88_BOARD_PINNACLE_HYBRID_PCTV    60
201 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
202 #define CX88_BOARD_POWERCOLOR_REAL_ANGEL   62
203 #define CX88_BOARD_GENIATECH_X8000_MT      63
204 #define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
205 #define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
206 #define CX88_BOARD_PROLINK_PV_8000GT       66
207 #define CX88_BOARD_KWORLD_ATSC_120         67
208 #define CX88_BOARD_HAUPPAUGE_HVR4000       68
209 #define CX88_BOARD_HAUPPAUGE_HVR4000LITE   69
210 #define CX88_BOARD_TEVII_S460              70
211 #define CX88_BOARD_OMICOM_SS4_PCI          71
212 #define CX88_BOARD_TBS_8920                72
213 #define CX88_BOARD_TEVII_S420              73
214 #define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
215 #define CX88_BOARD_PROF_7300               75
216 #define CX88_BOARD_SATTRADE_ST4200         76
217 #define CX88_BOARD_TBS_8910                77
218 #define CX88_BOARD_PROF_6200               78
219 #define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
220 #define CX88_BOARD_HAUPPAUGE_IRONLY        80
221 #define CX88_BOARD_WINFAST_DTV1800H        81
222 #define CX88_BOARD_WINFAST_DTV2000H_J      82
223 #define CX88_BOARD_PROF_7301               83
224 #define CX88_BOARD_SAMSUNG_SMT_7020        84
225 #define CX88_BOARD_TWINHAN_VP1027_DVBS     85
226 #define CX88_BOARD_TEVII_S464              86
227 #define CX88_BOARD_WINFAST_DTV2000H_PLUS   87
228 #define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
229 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
230 #define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
231 #define CX88_BOARD_NOTONLYTV_LV3H          91
232 
233 enum cx88_itype {
234 	CX88_VMUX_COMPOSITE1 = 1,
235 	CX88_VMUX_COMPOSITE2,
236 	CX88_VMUX_COMPOSITE3,
237 	CX88_VMUX_COMPOSITE4,
238 	CX88_VMUX_SVIDEO,
239 	CX88_VMUX_TELEVISION,
240 	CX88_VMUX_CABLE,
241 	CX88_VMUX_DVB,
242 	CX88_VMUX_DEBUG,
243 	CX88_RADIO,
244 };
245 
246 struct cx88_input {
247 	enum cx88_itype type;
248 	u32             gpio0, gpio1, gpio2, gpio3;
249 	unsigned int    vmux:2;
250 	unsigned int    audioroute:4;
251 };
252 
253 enum cx88_audio_chip {
254 	CX88_AUDIO_WM8775 = 1,
255 	CX88_AUDIO_TVAUDIO,
256 };
257 
258 struct cx88_board {
259 	const char              *name;
260 	unsigned int            tuner_type;
261 	unsigned int		radio_type;
262 	unsigned char		tuner_addr;
263 	unsigned char		radio_addr;
264 	int                     tda9887_conf;
265 	struct cx88_input       input[MAX_CX88_INPUT];
266 	struct cx88_input       radio;
267 	enum cx88_board_type    mpeg;
268 	enum cx88_audio_chip	audio_chip;
269 	int			num_frontends;
270 
271 	/* Used for I2S devices */
272 	int			i2sinputcntl;
273 };
274 
275 struct cx88_subid {
276 	u16     subvendor;
277 	u16     subdevice;
278 	u32     card;
279 };
280 
281 enum cx88_tvaudio {
282 	WW_NONE = 1,
283 	WW_BTSC,
284 	WW_BG,
285 	WW_DK,
286 	WW_I,
287 	WW_L,
288 	WW_EIAJ,
289 	WW_I2SPT,
290 	WW_FM,
291 	WW_I2SADC,
292 	WW_M
293 };
294 
295 #define INPUT(nr) (core->board.input[nr])
296 
297 /* ----------------------------------------------------------- */
298 /* device / file handle status                                 */
299 
300 #define RESOURCE_OVERLAY       1
301 #define RESOURCE_VIDEO         2
302 #define RESOURCE_VBI           4
303 
304 #define BUFFER_TIMEOUT     msecs_to_jiffies(2000)
305 
306 struct cx88_riscmem {
307 	unsigned int   size;
308 	__le32         *cpu;
309 	__le32         *jmp;
310 	dma_addr_t     dma;
311 };
312 
313 /* buffer for one video frame */
314 struct cx88_buffer {
315 	/* common v4l buffer stuff -- must be first */
316 	struct vb2_v4l2_buffer vb;
317 	struct list_head       list;
318 
319 	/* cx88 specific */
320 	unsigned int           bpl;
321 	struct cx88_riscmem    risc;
322 };
323 
324 struct cx88_dmaqueue {
325 	struct list_head       active;
326 	u32                    count;
327 };
328 
329 struct cx8800_dev;
330 struct cx8802_dev;
331 
332 struct cx88_core {
333 	struct list_head           devlist;
334 	refcount_t		   refcount;
335 
336 	/* board name */
337 	int                        nr;
338 	char                       name[32];
339 	u32			   model;
340 
341 	/* pci stuff */
342 	int                        pci_bus;
343 	int                        pci_slot;
344 	u32                        __iomem *lmmio;
345 	u8                         __iomem *bmmio;
346 	u32                        shadow[SHADOW_MAX];
347 	int                        pci_irqmask;
348 
349 	/* i2c i/o */
350 	struct i2c_adapter         i2c_adap;
351 	struct i2c_algo_bit_data   i2c_algo;
352 	struct i2c_client          i2c_client;
353 	u32                        i2c_state, i2c_rc;
354 
355 	/* config info -- analog */
356 	struct v4l2_device	   v4l2_dev;
357 	struct v4l2_ctrl_handler   video_hdl;
358 	struct v4l2_ctrl	   *chroma_agc;
359 	struct v4l2_ctrl_handler   audio_hdl;
360 	struct v4l2_subdev	   *sd_wm8775;
361 	struct i2c_client	   *i2c_rtc;
362 	unsigned int               boardnr;
363 	struct cx88_board	   board;
364 
365 	/* Supported V4L _STD_ tuner formats */
366 	unsigned int               tuner_formats;
367 
368 	/* config info -- dvb */
369 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
370 	int	(*prev_set_voltage)(struct dvb_frontend *fe,
371 				    enum fe_sec_voltage 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 	unsigned int		   width, height;
379 	unsigned int		   field;
380 	enum cx88_tvaudio          tvaudio;
381 	u32                        audiomode_manual;
382 	u32                        audiomode_current;
383 	u32                        input;
384 	u32                        last_analog_input;
385 	u32                        astat;
386 	u32			   use_nicam;
387 	unsigned long		   last_change;
388 
389 	/* IR remote control state */
390 	struct cx88_IR             *ir;
391 
392 	/* I2C remote data */
393 	struct IR_i2c_init_data    init_data;
394 	struct wm8775_platform_data wm8775_data;
395 
396 	struct mutex               lock;
397 	/* various v4l controls */
398 	u32                        freq;
399 
400 	/*
401 	 * cx88-video needs to access cx8802 for hybrid tuner pll access and
402 	 * for vb2_is_busy() checks.
403 	 */
404 	struct cx8802_dev          *dvbdev;
405 	/* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
406 	struct cx8800_dev          *v4ldev;
407 	enum cx88_board_type       active_type_id;
408 	int			   active_ref;
409 	int			   active_fe_id;
410 };
411 
to_core(struct v4l2_device * v4l2_dev)412 static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
413 {
414 	return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
415 }
416 
417 #define call_hw(core, grpid, o, f, args...) \
418 	do {							\
419 		if (!core->i2c_rc) {				\
420 			if (core->gate_ctrl)			\
421 				core->gate_ctrl(core, 1);	\
422 			v4l2_device_call_all(&core->v4l2_dev,	\
423 					     grpid, o, f, ##args); \
424 			if (core->gate_ctrl)			\
425 				core->gate_ctrl(core, 0);	\
426 		}						\
427 	} while (0)
428 
429 #define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
430 
431 #define WM8775_GID      (1 << 0)
432 
433 #define wm8775_s_ctrl(core, id, val) \
434 	do {								\
435 		struct v4l2_ctrl *ctrl_ =				\
436 			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
437 		if (ctrl_ && !core->i2c_rc) {				\
438 			if (core->gate_ctrl)				\
439 				core->gate_ctrl(core, 1);		\
440 			v4l2_ctrl_s_ctrl(ctrl_, val);			\
441 			if (core->gate_ctrl)				\
442 				core->gate_ctrl(core, 0);		\
443 		}							\
444 	} while (0)
445 
446 #define wm8775_g_ctrl(core, id) \
447 	({								\
448 		struct v4l2_ctrl *ctrl_ =				\
449 			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);\
450 		s32 val = 0;						\
451 		if (ctrl_ && !core->i2c_rc) {				\
452 			if (core->gate_ctrl)				\
453 				core->gate_ctrl(core, 1);		\
454 			val = v4l2_ctrl_g_ctrl(ctrl_);			\
455 			if (core->gate_ctrl)				\
456 				core->gate_ctrl(core, 0);		\
457 		}							\
458 		val;							\
459 	})
460 
461 /* ----------------------------------------------------------- */
462 /* function 0: video stuff                                     */
463 
464 struct cx8800_suspend_state {
465 	int                        disabled;
466 };
467 
468 struct cx8800_dev {
469 	struct cx88_core           *core;
470 	spinlock_t                 slock;
471 
472 	/* various device info */
473 	unsigned int               resources;
474 	struct video_device        video_dev;
475 	struct video_device        vbi_dev;
476 	struct video_device        radio_dev;
477 
478 	/* pci i/o */
479 	struct pci_dev             *pci;
480 	unsigned char              pci_rev, pci_lat;
481 
482 	const struct cx8800_fmt    *fmt;
483 
484 	/* capture queues */
485 	struct cx88_dmaqueue       vidq;
486 	struct vb2_queue           vb2_vidq;
487 	struct cx88_dmaqueue       vbiq;
488 	struct vb2_queue           vb2_vbiq;
489 
490 	/* various v4l controls */
491 
492 	/* other global state info */
493 	struct cx8800_suspend_state state;
494 };
495 
496 /* ----------------------------------------------------------- */
497 /* function 1: audio/alsa stuff                                */
498 /* =============> moved to cx88-alsa.c <====================== */
499 
500 /* ----------------------------------------------------------- */
501 /* function 2: mpeg stuff                                      */
502 
503 struct cx8802_suspend_state {
504 	int                        disabled;
505 };
506 
507 struct cx8802_driver {
508 	struct cx88_core *core;
509 
510 	/* List of drivers attached to device */
511 	struct list_head drvlist;
512 
513 	/* Type of driver and access required */
514 	enum cx88_board_type type_id;
515 	enum cx8802_board_access hw_access;
516 
517 	/* MPEG 8802 internal only */
518 	int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
519 	int (*resume)(struct pci_dev *pci_dev);
520 
521 	/* Callers to the following functions must hold core->lock */
522 
523 	/* MPEG 8802 -> mini driver - Driver probe and configuration */
524 	int (*probe)(struct cx8802_driver *drv);
525 	int (*remove)(struct cx8802_driver *drv);
526 
527 	/* MPEG 8802 -> mini driver - Access for hardware control */
528 	int (*advise_acquire)(struct cx8802_driver *drv);
529 	int (*advise_release)(struct cx8802_driver *drv);
530 
531 	/* MPEG 8802 <- mini driver - Access for hardware control */
532 	int (*request_acquire)(struct cx8802_driver *drv);
533 	int (*request_release)(struct cx8802_driver *drv);
534 };
535 
536 struct cx8802_dev {
537 	struct cx88_core           *core;
538 	spinlock_t                 slock;
539 
540 	/* pci i/o */
541 	struct pci_dev             *pci;
542 	unsigned char              pci_rev, pci_lat;
543 
544 	/* dma queues */
545 	struct cx88_dmaqueue       mpegq;
546 	struct vb2_queue           vb2_mpegq;
547 	u32                        ts_packet_size;
548 	u32                        ts_packet_count;
549 
550 	/* other global state info */
551 	struct cx8802_suspend_state state;
552 
553 	/* for blackbird only */
554 	struct list_head           devlist;
555 #if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
556 	struct video_device        mpeg_dev;
557 	u32                        mailbox;
558 
559 	/* mpeg params */
560 	struct cx2341x_handler     cxhdl;
561 
562 #endif
563 
564 #if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
565 	/* for dvb only */
566 	struct vb2_dvb_frontends frontends;
567 #endif
568 
569 #if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
570 	/* For VP3045 secondary I2C bus support */
571 	struct vp3054_i2c_state	   *vp3054;
572 #endif
573 	/* for switching modulation types */
574 	unsigned char              ts_gen_cntrl;
575 
576 	/* List of attached drivers; must hold core->lock to access */
577 	struct list_head	   drvlist;
578 
579 	struct work_struct	   request_module_wk;
580 };
581 
582 /* ----------------------------------------------------------- */
583 
584 #define cx_read(reg)             readl(core->lmmio + ((reg) >> 2))
585 #define cx_write(reg, value)     writel((value), core->lmmio + ((reg) >> 2))
586 #define cx_writeb(reg, value)    writeb((value), core->bmmio + (reg))
587 
588 #define cx_andor(reg, mask, value) \
589 	writel((readl(core->lmmio + ((reg) >> 2)) & ~(mask)) |\
590 	((value) & (mask)), core->lmmio + ((reg) >> 2))
591 #define cx_set(reg, bit)         cx_andor((reg), (bit), (bit))
592 #define cx_clear(reg, bit)       cx_andor((reg), (bit), 0)
593 
594 #define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
595 
596 /* shadow registers */
597 #define cx_sread(sreg)		    (core->shadow[sreg])
598 #define cx_swrite(sreg, reg, value) \
599 	(core->shadow[sreg] = value, \
600 	writel(core->shadow[sreg], core->lmmio + ((reg) >> 2)))
601 #define cx_sandor(sreg, reg, mask, value) \
602 	(core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | \
603 			       ((value) & (mask)), \
604 				writel(core->shadow[sreg], \
605 				       core->lmmio + ((reg) >> 2)))
606 
607 /* ----------------------------------------------------------- */
608 /* cx88-core.c                                                 */
609 
610 extern unsigned int cx88_core_debug;
611 
612 void cx88_print_irqbits(const char *tag, const char *strings[],
613 			int len, u32 bits, u32 mask);
614 
615 int cx88_core_irq(struct cx88_core *core, u32 status);
616 void cx88_wakeup(struct cx88_core *core,
617 		 struct cx88_dmaqueue *q, u32 count);
618 void cx88_shutdown(struct cx88_core *core);
619 int cx88_reset(struct cx88_core *core);
620 
621 extern int
622 cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
623 		 struct scatterlist *sglist,
624 		 unsigned int top_offset, unsigned int bottom_offset,
625 		 unsigned int bpl, unsigned int padding, unsigned int lines);
626 extern int
627 cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
628 		     struct scatterlist *sglist, unsigned int bpl,
629 		     unsigned int lines, unsigned int lpi);
630 
631 void cx88_risc_disasm(struct cx88_core *core,
632 		      struct cx88_riscmem *risc);
633 int cx88_sram_channel_setup(struct cx88_core *core,
634 			    const struct sram_channel *ch,
635 			    unsigned int bpl, u32 risc);
636 void cx88_sram_channel_dump(struct cx88_core *core,
637 			    const struct sram_channel *ch);
638 
639 int cx88_set_scale(struct cx88_core *core, unsigned int width,
640 		   unsigned int height, enum v4l2_field field);
641 int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
642 
643 void cx88_vdev_init(struct cx88_core *core,
644 		    struct pci_dev *pci,
645 		    struct video_device *vfd,
646 		    const struct video_device *template_,
647 		    const char *type);
648 struct cx88_core *cx88_core_get(struct pci_dev *pci);
649 void cx88_core_put(struct cx88_core *core,
650 		   struct pci_dev *pci);
651 
652 int cx88_start_audio_dma(struct cx88_core *core);
653 int cx88_stop_audio_dma(struct cx88_core *core);
654 
655 /* ----------------------------------------------------------- */
656 /* cx88-vbi.c                                                  */
657 
658 /* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
659 int cx8800_vbi_fmt(struct file *file, void *priv,
660 		   struct v4l2_format *f);
661 
662 void cx8800_stop_vbi_dma(struct cx8800_dev *dev);
663 int cx8800_restart_vbi_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q);
664 
665 extern const struct vb2_ops cx8800_vbi_qops;
666 
667 /* ----------------------------------------------------------- */
668 /* cx88-i2c.c                                                  */
669 
670 int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
671 
672 /* ----------------------------------------------------------- */
673 /* cx88-cards.c                                                */
674 
675 int cx88_tuner_callback(void *dev, int component, int command, int arg);
676 int cx88_get_resources(const struct cx88_core *core,
677 		       struct pci_dev *pci);
678 struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
679 void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
680 
681 /* ----------------------------------------------------------- */
682 /* cx88-tvaudio.c                                              */
683 
684 void cx88_set_tvaudio(struct cx88_core *core);
685 void cx88_newstation(struct cx88_core *core);
686 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
687 void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
688 int cx88_audio_thread(void *data);
689 
690 int cx8802_register_driver(struct cx8802_driver *drv);
691 int cx8802_unregister_driver(struct cx8802_driver *drv);
692 
693 /* Caller must hold core->lock */
694 struct cx8802_driver *cx8802_get_driver(struct cx8802_dev *dev,
695 					enum cx88_board_type btype);
696 
697 /* ----------------------------------------------------------- */
698 /* cx88-dsp.c                                                  */
699 
700 s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
701 
702 /* ----------------------------------------------------------- */
703 /* cx88-input.c                                                */
704 
705 int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
706 int cx88_ir_fini(struct cx88_core *core);
707 void cx88_ir_irq(struct cx88_core *core);
708 int cx88_ir_start(struct cx88_core *core);
709 void cx88_ir_stop(struct cx88_core *core);
710 void cx88_i2c_init_ir(struct cx88_core *core);
711 
712 /* ----------------------------------------------------------- */
713 /* cx88-mpeg.c                                                 */
714 
715 int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
716 		       struct cx88_buffer *buf);
717 void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
718 void cx8802_cancel_buffers(struct cx8802_dev *dev);
719 int cx8802_start_dma(struct cx8802_dev    *dev,
720 		     struct cx88_dmaqueue *q,
721 		     struct cx88_buffer   *buf);
722 
723 /* ----------------------------------------------------------- */
724 /* cx88-video.c*/
725 int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i);
726 int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
727 int cx88_video_mux(struct cx88_core *core, unsigned int input);
728 int cx88_querycap(struct file *file, struct cx88_core *core,
729 		  struct v4l2_capability *cap);
730 
731 #endif
732