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/v4l2-fh.h>
30#include <media/tuner.h>
31#include <media/tveeprom.h>
32#include <media/videobuf2-dma-sg.h>
33#include <media/cx2341x.h>
34#include <media/videobuf2-dvb.h>
35#include <media/ir-kbd-i2c.h>
36#include <media/wm8775.h>
37
38#include "cx88-reg.h"
39#include "tuner-xc2028.h"
40
41#include <linux/mutex.h>
42
43#define CX88_VERSION "1.0.0"
44
45#define UNSET (-1U)
46
47#define CX88_MAXBOARDS 8
48
49/* Max number of inputs by card */
50#define MAX_CX88_INPUT 8
51
52/* ----------------------------------------------------------- */
53/* defines and enums                                           */
54
55/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM/LC */
56#define CX88_NORMS (V4L2_STD_ALL 		\
57		    & ~V4L2_STD_PAL_H		\
58		    & ~V4L2_STD_NTSC_M_KR	\
59		    & ~V4L2_STD_SECAM_LC)
60
61#define FORMAT_FLAGS_PACKED       0x01
62#define FORMAT_FLAGS_PLANAR       0x02
63
64#define VBI_LINE_PAL_COUNT              18
65#define VBI_LINE_NTSC_COUNT             12
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 */
76enum cx88_deemph_type {
77	FM_NO_DEEMPH = 0,
78	FM_DEEMPH_50,
79	FM_DEEMPH_75
80};
81
82enum cx88_board_type {
83	CX88_BOARD_NONE = 0,
84	CX88_MPEG_DVB,
85	CX88_MPEG_BLACKBIRD
86};
87
88enum cx8802_board_access {
89	CX8802_DRVCTL_SHARED    = 1,
90	CX8802_DRVCTL_EXCLUSIVE = 2,
91};
92
93/* ----------------------------------------------------------- */
94/* tv norms                                                    */
95
96static inline unsigned int norm_maxw(v4l2_std_id norm)
97{
98	return 720;
99}
100
101
102static inline unsigned int norm_maxh(v4l2_std_id norm)
103{
104	return (norm & V4L2_STD_525_60) ? 480 : 576;
105}
106
107/* ----------------------------------------------------------- */
108/* static data                                                 */
109
110struct cx8800_fmt {
111	const char  *name;
112	u32   fourcc;          /* v4l2 format id */
113	int   depth;
114	int   flags;
115	u32   cxformat;
116};
117
118/* ----------------------------------------------------------- */
119/* SRAM memory management data (see cx88-core.c)               */
120
121#define SRAM_CH21 0   /* video */
122#define SRAM_CH22 1
123#define SRAM_CH23 2
124#define SRAM_CH24 3   /* vbi   */
125#define SRAM_CH25 4   /* audio */
126#define SRAM_CH26 5
127#define SRAM_CH28 6   /* mpeg */
128#define SRAM_CH27 7   /* audio rds */
129/* more */
130
131struct sram_channel {
132	const char *name;
133	u32  cmds_start;
134	u32  ctrl_start;
135	u32  cdt;
136	u32  fifo_start;
137	u32  fifo_size;
138	u32  ptr1_reg;
139	u32  ptr2_reg;
140	u32  cnt1_reg;
141	u32  cnt2_reg;
142};
143extern const struct sram_channel cx88_sram_channels[];
144
145/* ----------------------------------------------------------- */
146/* card configuration                                          */
147
148#define CX88_BOARD_NOAUTO               UNSET
149#define CX88_BOARD_UNKNOWN                  0
150#define CX88_BOARD_HAUPPAUGE                1
151#define CX88_BOARD_GDI                      2
152#define CX88_BOARD_PIXELVIEW                3
153#define CX88_BOARD_ATI_WONDER_PRO           4
154#define CX88_BOARD_WINFAST2000XP_EXPERT     5
155#define CX88_BOARD_AVERTV_STUDIO_303        6
156#define CX88_BOARD_MSI_TVANYWHERE_MASTER    7
157#define CX88_BOARD_WINFAST_DV2000           8
158#define CX88_BOARD_LEADTEK_PVR2000          9
159#define CX88_BOARD_IODATA_GVVCP3PCI        10
160#define CX88_BOARD_PROLINK_PLAYTVPVR       11
161#define CX88_BOARD_ASUS_PVR_416            12
162#define CX88_BOARD_MSI_TVANYWHERE          13
163#define CX88_BOARD_KWORLD_DVB_T            14
164#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1 15
165#define CX88_BOARD_KWORLD_LTV883           16
166#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q  17
167#define CX88_BOARD_HAUPPAUGE_DVB_T1        18
168#define CX88_BOARD_CONEXANT_DVB_T1         19
169#define CX88_BOARD_PROVIDEO_PV259          20
170#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS 21
171#define CX88_BOARD_PCHDTV_HD3000           22
172#define CX88_BOARD_DNTV_LIVE_DVB_T         23
173#define CX88_BOARD_HAUPPAUGE_ROSLYN        24
174#define CX88_BOARD_DIGITALLOGIC_MEC        25
175#define CX88_BOARD_IODATA_GVBCTV7E         26
176#define CX88_BOARD_PIXELVIEW_PLAYTV_ULTRA_PRO 27
177#define CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T  28
178#define CX88_BOARD_ADSTECH_DVB_T_PCI          29
179#define CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1  30
180#define CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD 31
181#define CX88_BOARD_AVERMEDIA_ULTRATV_MC_550 32
182#define CX88_BOARD_KWORLD_VSTREAM_EXPERT_DVD 33
183#define CX88_BOARD_ATI_HDTVWONDER          34
184#define CX88_BOARD_WINFAST_DTV1000         35
185#define CX88_BOARD_AVERTV_303              36
186#define CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1  37
187#define CX88_BOARD_HAUPPAUGE_NOVASE2_S1    38
188#define CX88_BOARD_KWORLD_DVBS_100         39
189#define CX88_BOARD_HAUPPAUGE_HVR1100       40
190#define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
191#define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
192#define CX88_BOARD_KWORLD_DVB_T_CX22702    43
193#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
194#define CX88_BOARD_KWORLD_HARDWARE_MPEG_TV_XPERT 45
195#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID 46
196#define CX88_BOARD_PCHDTV_HD5500           47
197#define CX88_BOARD_KWORLD_MCE200_DELUXE    48
198#define CX88_BOARD_PIXELVIEW_PLAYTV_P7000  49
199#define CX88_BOARD_NPGTECH_REALTV_TOP10FM  50
200#define CX88_BOARD_WINFAST_DTV2000H        51
201#define CX88_BOARD_GENIATECH_DVBS          52
202#define CX88_BOARD_HAUPPAUGE_HVR3000       53
203#define CX88_BOARD_NORWOOD_MICRO           54
204#define CX88_BOARD_TE_DTV_250_OEM_SWANN    55
205#define CX88_BOARD_HAUPPAUGE_HVR1300       56
206#define CX88_BOARD_ADSTECH_PTV_390         57
207#define CX88_BOARD_PINNACLE_PCTV_HD_800i   58
208#define CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO 59
209#define CX88_BOARD_PINNACLE_HYBRID_PCTV    60
210#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL 61
211#define CX88_BOARD_POWERCOLOR_REAL_ANGEL   62
212#define CX88_BOARD_GENIATECH_X8000_MT      63
213#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO 64
214#define CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD 65
215#define CX88_BOARD_PROLINK_PV_8000GT       66
216#define CX88_BOARD_KWORLD_ATSC_120         67
217#define CX88_BOARD_HAUPPAUGE_HVR4000       68
218#define CX88_BOARD_HAUPPAUGE_HVR4000LITE   69
219#define CX88_BOARD_TEVII_S460              70
220#define CX88_BOARD_OMICOM_SS4_PCI          71
221#define CX88_BOARD_TBS_8920                72
222#define CX88_BOARD_TEVII_S420              73
223#define CX88_BOARD_PROLINK_PV_GLOBAL_XTREME 74
224#define CX88_BOARD_PROF_7300               75
225#define CX88_BOARD_SATTRADE_ST4200         76
226#define CX88_BOARD_TBS_8910                77
227#define CX88_BOARD_PROF_6200               78
228#define CX88_BOARD_TERRATEC_CINERGY_HT_PCI_MKII 79
229#define CX88_BOARD_HAUPPAUGE_IRONLY        80
230#define CX88_BOARD_WINFAST_DTV1800H        81
231#define CX88_BOARD_WINFAST_DTV2000H_J      82
232#define CX88_BOARD_PROF_7301               83
233#define CX88_BOARD_SAMSUNG_SMT_7020        84
234#define CX88_BOARD_TWINHAN_VP1027_DVBS     85
235#define CX88_BOARD_TEVII_S464              86
236#define CX88_BOARD_WINFAST_DTV2000H_PLUS   87
237#define CX88_BOARD_WINFAST_DTV1800H_XC4000 88
238#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F36 89
239#define CX88_BOARD_WINFAST_TV2000_XP_GLOBAL_6F43 90
240
241enum cx88_itype {
242	CX88_VMUX_COMPOSITE1 = 1,
243	CX88_VMUX_COMPOSITE2,
244	CX88_VMUX_COMPOSITE3,
245	CX88_VMUX_COMPOSITE4,
246	CX88_VMUX_SVIDEO,
247	CX88_VMUX_TELEVISION,
248	CX88_VMUX_CABLE,
249	CX88_VMUX_DVB,
250	CX88_VMUX_DEBUG,
251	CX88_RADIO,
252};
253
254struct cx88_input {
255	enum cx88_itype type;
256	u32             gpio0, gpio1, gpio2, gpio3;
257	unsigned int    vmux:2;
258	unsigned int    audioroute:4;
259};
260
261enum cx88_audio_chip {
262	CX88_AUDIO_WM8775 = 1,
263	CX88_AUDIO_TVAUDIO,
264};
265
266struct cx88_board {
267	const char              *name;
268	unsigned int            tuner_type;
269	unsigned int		radio_type;
270	unsigned char		tuner_addr;
271	unsigned char		radio_addr;
272	int                     tda9887_conf;
273	struct cx88_input       input[MAX_CX88_INPUT];
274	struct cx88_input       radio;
275	enum cx88_board_type    mpeg;
276	enum cx88_audio_chip	audio_chip;
277	int			num_frontends;
278
279	/* Used for I2S devices */
280	int			i2sinputcntl;
281};
282
283struct cx88_subid {
284	u16     subvendor;
285	u16     subdevice;
286	u32     card;
287};
288
289enum cx88_tvaudio {
290	WW_NONE = 1,
291	WW_BTSC,
292	WW_BG,
293	WW_DK,
294	WW_I,
295	WW_L,
296	WW_EIAJ,
297	WW_I2SPT,
298	WW_FM,
299	WW_I2SADC,
300	WW_M
301};
302
303#define INPUT(nr) (core->board.input[nr])
304
305/* ----------------------------------------------------------- */
306/* device / file handle status                                 */
307
308#define RESOURCE_OVERLAY       1
309#define RESOURCE_VIDEO         2
310#define RESOURCE_VBI           4
311
312#define BUFFER_TIMEOUT     msecs_to_jiffies(2000)
313
314struct cx88_riscmem {
315	unsigned int   size;
316	__le32         *cpu;
317	__le32         *jmp;
318	dma_addr_t     dma;
319};
320
321/* buffer for one video frame */
322struct cx88_buffer {
323	/* common v4l buffer stuff -- must be first */
324	struct vb2_buffer vb;
325	struct list_head       list;
326
327	/* cx88 specific */
328	unsigned int           bpl;
329	struct cx88_riscmem    risc;
330	u32                    count;
331};
332
333struct cx88_dmaqueue {
334	struct list_head       active;
335	u32                    count;
336};
337
338struct cx8800_dev;
339struct cx8802_dev;
340
341struct cx88_core {
342	struct list_head           devlist;
343	atomic_t                   refcount;
344
345	/* board name */
346	int                        nr;
347	char                       name[32];
348	u32			   model;
349
350	/* pci stuff */
351	int                        pci_bus;
352	int                        pci_slot;
353	u32                        __iomem *lmmio;
354	u8                         __iomem *bmmio;
355	u32                        shadow[SHADOW_MAX];
356	int                        pci_irqmask;
357
358	/* i2c i/o */
359	struct i2c_adapter         i2c_adap;
360	struct i2c_algo_bit_data   i2c_algo;
361	struct i2c_client          i2c_client;
362	u32                        i2c_state, i2c_rc;
363
364	/* config info -- analog */
365	struct v4l2_device 	   v4l2_dev;
366	struct v4l2_ctrl_handler   video_hdl;
367	struct v4l2_ctrl	   *chroma_agc;
368	struct v4l2_ctrl_handler   audio_hdl;
369	struct v4l2_subdev	   *sd_wm8775;
370	struct i2c_client 	   *i2c_rtc;
371	unsigned int               boardnr;
372	struct cx88_board	   board;
373
374	/* Supported V4L _STD_ tuner formats */
375	unsigned int               tuner_formats;
376
377	/* config info -- dvb */
378#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
379	int 			   (*prev_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage);
380#endif
381	void			   (*gate_ctrl)(struct cx88_core  *core, int open);
382
383	/* state info */
384	struct task_struct         *kthread;
385	v4l2_std_id                tvnorm;
386	unsigned		   width, height;
387	unsigned		   field;
388	enum cx88_tvaudio          tvaudio;
389	u32                        audiomode_manual;
390	u32                        audiomode_current;
391	u32                        input;
392	u32                        last_analog_input;
393	u32                        astat;
394	u32			   use_nicam;
395	unsigned long		   last_change;
396
397	/* IR remote control state */
398	struct cx88_IR             *ir;
399
400	/* I2C remote data */
401	struct IR_i2c_init_data    init_data;
402	struct wm8775_platform_data wm8775_data;
403
404	struct mutex               lock;
405	/* various v4l controls */
406	u32                        freq;
407
408	/*
409	 * cx88-video needs to access cx8802 for hybrid tuner pll access and
410	 * for vb2_is_busy() checks.
411	 */
412	struct cx8802_dev          *dvbdev;
413	/* cx88-blackbird needs to access cx8800 for vb2_is_busy() checks */
414	struct cx8800_dev          *v4ldev;
415	enum cx88_board_type       active_type_id;
416	int			   active_ref;
417	int			   active_fe_id;
418};
419
420static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
421{
422	return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
423}
424
425#define call_hw(core, grpid, o, f, args...) \
426	do {							\
427		if (!core->i2c_rc) {				\
428			if (core->gate_ctrl)			\
429				core->gate_ctrl(core, 1);	\
430			v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
431			if (core->gate_ctrl)			\
432				core->gate_ctrl(core, 0);	\
433		}						\
434	} while (0)
435
436#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
437
438#define WM8775_GID      (1 << 0)
439
440#define wm8775_s_ctrl(core, id, val) \
441	do {									\
442		struct v4l2_ctrl *ctrl_ =					\
443			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);	\
444		if (ctrl_ && !core->i2c_rc) {					\
445			if (core->gate_ctrl)					\
446				core->gate_ctrl(core, 1);			\
447			v4l2_ctrl_s_ctrl(ctrl_, val);				\
448			if (core->gate_ctrl)					\
449				core->gate_ctrl(core, 0);			\
450		}								\
451	} while (0)
452
453#define wm8775_g_ctrl(core, id) \
454	({									\
455		struct v4l2_ctrl *ctrl_ =					\
456			v4l2_ctrl_find(core->sd_wm8775->ctrl_handler, id);	\
457		s32 val = 0;							\
458		if (ctrl_ && !core->i2c_rc) {					\
459			if (core->gate_ctrl)					\
460				core->gate_ctrl(core, 1);			\
461			val = v4l2_ctrl_g_ctrl(ctrl_);				\
462			if (core->gate_ctrl)					\
463				core->gate_ctrl(core, 0);			\
464		}								\
465		val;								\
466	})
467
468/* ----------------------------------------------------------- */
469/* function 0: video stuff                                     */
470
471struct cx8800_suspend_state {
472	int                        disabled;
473};
474
475struct cx8800_dev {
476	struct cx88_core           *core;
477	spinlock_t                 slock;
478
479	/* various device info */
480	unsigned int               resources;
481	struct video_device        video_dev;
482	struct video_device        vbi_dev;
483	struct video_device        radio_dev;
484
485	/* pci i/o */
486	struct pci_dev             *pci;
487	unsigned char              pci_rev,pci_lat;
488	void			   *alloc_ctx;
489
490	const struct cx8800_fmt    *fmt;
491
492	/* capture queues */
493	struct cx88_dmaqueue       vidq;
494	struct vb2_queue           vb2_vidq;
495	struct cx88_dmaqueue       vbiq;
496	struct vb2_queue           vb2_vbiq;
497
498	/* various v4l controls */
499
500	/* other global state info */
501	struct cx8800_suspend_state state;
502};
503
504/* ----------------------------------------------------------- */
505/* function 1: audio/alsa stuff                                */
506/* =============> moved to cx88-alsa.c <====================== */
507
508
509/* ----------------------------------------------------------- */
510/* function 2: mpeg stuff                                      */
511
512struct cx8802_suspend_state {
513	int                        disabled;
514};
515
516struct cx8802_driver {
517	struct cx88_core *core;
518
519	/* List of drivers attached to device */
520	struct list_head drvlist;
521
522	/* Type of driver and access required */
523	enum cx88_board_type type_id;
524	enum cx8802_board_access hw_access;
525
526	/* MPEG 8802 internal only */
527	int (*suspend)(struct pci_dev *pci_dev, pm_message_t state);
528	int (*resume)(struct pci_dev *pci_dev);
529
530	/* Callers to the following functions must hold core->lock */
531
532	/* MPEG 8802 -> mini driver - Driver probe and configuration */
533	int (*probe)(struct cx8802_driver *drv);
534	int (*remove)(struct cx8802_driver *drv);
535
536	/* MPEG 8802 -> mini driver - Access for hardware control */
537	int (*advise_acquire)(struct cx8802_driver *drv);
538	int (*advise_release)(struct cx8802_driver *drv);
539
540	/* MPEG 8802 <- mini driver - Access for hardware control */
541	int (*request_acquire)(struct cx8802_driver *drv);
542	int (*request_release)(struct cx8802_driver *drv);
543};
544
545struct cx8802_dev {
546	struct cx88_core           *core;
547	spinlock_t                 slock;
548
549	/* pci i/o */
550	struct pci_dev             *pci;
551	unsigned char              pci_rev,pci_lat;
552	void			   *alloc_ctx;
553
554	/* dma queues */
555	struct cx88_dmaqueue       mpegq;
556	struct vb2_queue           vb2_mpegq;
557	u32                        ts_packet_size;
558	u32                        ts_packet_count;
559
560	/* other global state info */
561	struct cx8802_suspend_state state;
562
563	/* for blackbird only */
564	struct list_head           devlist;
565#if IS_ENABLED(CONFIG_VIDEO_CX88_BLACKBIRD)
566	struct video_device        mpeg_dev;
567	u32                        mailbox;
568
569	/* mpeg params */
570	struct cx2341x_handler     cxhdl;
571#endif
572
573#if IS_ENABLED(CONFIG_VIDEO_CX88_DVB)
574	/* for dvb only */
575	struct vb2_dvb_frontends frontends;
576#endif
577
578#if IS_ENABLED(CONFIG_VIDEO_CX88_VP3054)
579	/* For VP3045 secondary I2C bus support */
580	struct vp3054_i2c_state	   *vp3054;
581#endif
582	/* for switching modulation types */
583	unsigned char              ts_gen_cntrl;
584
585	/* List of attached drivers; must hold core->lock to access */
586	struct list_head	   drvlist;
587
588	struct work_struct	   request_module_wk;
589};
590
591/* ----------------------------------------------------------- */
592
593#define cx_read(reg)             readl(core->lmmio + ((reg)>>2))
594#define cx_write(reg,value)      writel((value), core->lmmio + ((reg)>>2))
595#define cx_writeb(reg,value)     writeb((value), core->bmmio + (reg))
596
597#define cx_andor(reg,mask,value) \
598  writel((readl(core->lmmio+((reg)>>2)) & ~(mask)) |\
599  ((value) & (mask)), core->lmmio+((reg)>>2))
600#define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
601#define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
602
603#define cx_wait(d) { if (need_resched()) schedule(); else udelay(d); }
604
605/* shadow registers */
606#define cx_sread(sreg)		    (core->shadow[sreg])
607#define cx_swrite(sreg,reg,value) \
608  (core->shadow[sreg] = value, \
609   writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
610#define cx_sandor(sreg,reg,mask,value) \
611  (core->shadow[sreg] = (core->shadow[sreg] & ~(mask)) | ((value) & (mask)), \
612   writel(core->shadow[sreg], core->lmmio + ((reg)>>2)))
613
614/* ----------------------------------------------------------- */
615/* cx88-core.c                                                 */
616
617extern unsigned int cx88_core_debug;
618
619extern void cx88_print_irqbits(const char *name, const char *tag, const char *strings[],
620			       int len, u32 bits, u32 mask);
621
622extern int cx88_core_irq(struct cx88_core *core, u32 status);
623extern void cx88_wakeup(struct cx88_core *core,
624			struct cx88_dmaqueue *q, u32 count);
625extern void cx88_shutdown(struct cx88_core *core);
626extern int cx88_reset(struct cx88_core *core);
627
628extern int
629cx88_risc_buffer(struct pci_dev *pci, struct cx88_riscmem *risc,
630		 struct scatterlist *sglist,
631		 unsigned int top_offset, unsigned int bottom_offset,
632		 unsigned int bpl, unsigned int padding, unsigned int lines);
633extern int
634cx88_risc_databuffer(struct pci_dev *pci, struct cx88_riscmem *risc,
635		     struct scatterlist *sglist, unsigned int bpl,
636		     unsigned int lines, unsigned int lpi);
637
638extern void cx88_risc_disasm(struct cx88_core *core,
639			     struct cx88_riscmem *risc);
640extern int cx88_sram_channel_setup(struct cx88_core *core,
641				   const struct sram_channel *ch,
642				   unsigned int bpl, u32 risc);
643extern void cx88_sram_channel_dump(struct cx88_core *core,
644				   const struct sram_channel *ch);
645
646extern int cx88_set_scale(struct cx88_core *core, unsigned int width,
647			  unsigned int height, enum v4l2_field field);
648extern int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm);
649
650extern void cx88_vdev_init(struct cx88_core *core,
651			   struct pci_dev *pci,
652			   struct video_device *vfd,
653			   const struct video_device *template_,
654			   const char *type);
655extern struct cx88_core *cx88_core_get(struct pci_dev *pci);
656extern void cx88_core_put(struct cx88_core *core,
657			  struct pci_dev *pci);
658
659extern int cx88_start_audio_dma(struct cx88_core *core);
660extern int cx88_stop_audio_dma(struct cx88_core *core);
661
662
663/* ----------------------------------------------------------- */
664/* cx88-vbi.c                                                  */
665
666/* Can be used as g_vbi_fmt, try_vbi_fmt and s_vbi_fmt */
667int cx8800_vbi_fmt (struct file *file, void *priv,
668					struct v4l2_format *f);
669
670/*
671int cx8800_start_vbi_dma(struct cx8800_dev    *dev,
672			 struct cx88_dmaqueue *q,
673			 struct cx88_buffer   *buf);
674*/
675void cx8800_stop_vbi_dma(struct cx8800_dev *dev);
676int cx8800_restart_vbi_queue(struct cx8800_dev *dev, struct cx88_dmaqueue *q);
677
678extern const struct vb2_ops cx8800_vbi_qops;
679
680/* ----------------------------------------------------------- */
681/* cx88-i2c.c                                                  */
682
683extern int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci);
684
685
686/* ----------------------------------------------------------- */
687/* cx88-cards.c                                                */
688
689extern int cx88_tuner_callback(void *dev, int component, int command, int arg);
690extern int cx88_get_resources(const struct cx88_core *core,
691			      struct pci_dev *pci);
692extern struct cx88_core *cx88_core_create(struct pci_dev *pci, int nr);
693extern void cx88_setup_xc3028(struct cx88_core *core, struct xc2028_ctrl *ctl);
694
695/* ----------------------------------------------------------- */
696/* cx88-tvaudio.c                                              */
697
698void cx88_set_tvaudio(struct cx88_core *core);
699void cx88_newstation(struct cx88_core *core);
700void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t);
701void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual);
702int cx88_audio_thread(void *data);
703
704int cx8802_register_driver(struct cx8802_driver *drv);
705int cx8802_unregister_driver(struct cx8802_driver *drv);
706
707/* Caller must hold core->lock */
708struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype);
709
710/* ----------------------------------------------------------- */
711/* cx88-dsp.c                                                  */
712
713s32 cx88_dsp_detect_stereo_sap(struct cx88_core *core);
714
715/* ----------------------------------------------------------- */
716/* cx88-input.c                                                */
717
718int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci);
719int cx88_ir_fini(struct cx88_core *core);
720void cx88_ir_irq(struct cx88_core *core);
721int cx88_ir_start(struct cx88_core *core);
722void cx88_ir_stop(struct cx88_core *core);
723extern void cx88_i2c_init_ir(struct cx88_core *core);
724
725/* ----------------------------------------------------------- */
726/* cx88-mpeg.c                                                 */
727
728int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev,
729			struct cx88_buffer *buf);
730void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
731void cx8802_cancel_buffers(struct cx8802_dev *dev);
732int cx8802_start_dma(struct cx8802_dev    *dev,
733			    struct cx88_dmaqueue *q,
734			    struct cx88_buffer   *buf);
735
736/* ----------------------------------------------------------- */
737/* cx88-video.c*/
738int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i);
739int cx88_set_freq(struct cx88_core  *core, const struct v4l2_frequency *f);
740int cx88_video_mux(struct cx88_core *core, unsigned int input);
741void cx88_querycap(struct file *file, struct cx88_core *core,
742		struct v4l2_capability *cap);
743