Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
[sfrench/cifs-2.6.git] / drivers / media / pci / cx23885 / cx23885.h
1 /*
2  *  Driver for the Conexant CX23885 PCIe bridge
3  *
4  *  Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *
15  *  GNU General Public License for more details.
16  */
17
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
20 #include <linux/pci.h>
21 #include <linux/i2c.h>
22 #include <linux/kdev_t.h>
23 #include <linux/slab.h>
24
25 #include <media/v4l2-device.h>
26 #include <media/v4l2-fh.h>
27 #include <media/v4l2-ctrls.h>
28 #include <media/tuner.h>
29 #include <media/tveeprom.h>
30 #include <media/videobuf2-dma-sg.h>
31 #include <media/videobuf2-dvb.h>
32 #include <media/rc-core.h>
33
34 #include "cx23885-reg.h"
35 #include "media/drv-intf/cx2341x.h"
36
37 #include <linux/mutex.h>
38
39 #define CX23885_VERSION "0.0.4"
40
41 #define UNSET (-1U)
42
43 #define CX23885_MAXBOARDS 8
44
45 /* Max number of inputs by card */
46 #define MAX_CX23885_INPUT 8
47 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
48
49 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
50
51 #define CX23885_BOARD_NOAUTO               UNSET
52 #define CX23885_BOARD_UNKNOWN                  0
53 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
54 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
55 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
56 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
57 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q       5
58 #define CX23885_BOARD_HAUPPAUGE_HVR1500        6
59 #define CX23885_BOARD_HAUPPAUGE_HVR1200        7
60 #define CX23885_BOARD_HAUPPAUGE_HVR1700        8
61 #define CX23885_BOARD_HAUPPAUGE_HVR1400        9
62 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
63 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
64 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
65 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F   13
66 #define CX23885_BOARD_TBS_6920                 14
67 #define CX23885_BOARD_TEVII_S470               15
68 #define CX23885_BOARD_DVBWORLD_2005            16
69 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI      17
70 #define CX23885_BOARD_HAUPPAUGE_HVR1270        18
71 #define CX23885_BOARD_HAUPPAUGE_HVR1275        19
72 #define CX23885_BOARD_HAUPPAUGE_HVR1255        20
73 #define CX23885_BOARD_HAUPPAUGE_HVR1210        21
74 #define CX23885_BOARD_MYGICA_X8506             22
75 #define CX23885_BOARD_MAGICPRO_PROHDTVE2       23
76 #define CX23885_BOARD_HAUPPAUGE_HVR1850        24
77 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800    25
78 #define CX23885_BOARD_HAUPPAUGE_HVR1290        26
79 #define CX23885_BOARD_MYGICA_X8558PRO          27
80 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
81 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID     29
82 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
83 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
84 #define CX23885_BOARD_MPX885                   32
85 #define CX23885_BOARD_MYGICA_X8507             33
86 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
87 #define CX23885_BOARD_TEVII_S471               35
88 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111  36
89 #define CX23885_BOARD_PROF_8000                37
90 #define CX23885_BOARD_HAUPPAUGE_HVR4400        38
91 #define CX23885_BOARD_AVERMEDIA_HC81R          39
92 #define CX23885_BOARD_TBS_6981                 40
93 #define CX23885_BOARD_TBS_6980                 41
94 #define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
95 #define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE     43
96 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
97 #define CX23885_BOARD_DVBSKY_T9580             45
98 #define CX23885_BOARD_DVBSKY_T980C             46
99 #define CX23885_BOARD_DVBSKY_S950C             47
100 #define CX23885_BOARD_TT_CT2_4500_CI           48
101 #define CX23885_BOARD_DVBSKY_S950              49
102 #define CX23885_BOARD_DVBSKY_S952              50
103 #define CX23885_BOARD_DVBSKY_T982              51
104 #define CX23885_BOARD_HAUPPAUGE_HVR5525        52
105 #define CX23885_BOARD_HAUPPAUGE_STARBURST      53
106 #define CX23885_BOARD_VIEWCAST_260E            54
107 #define CX23885_BOARD_VIEWCAST_460E            55
108 #define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB     56
109 #define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC    57
110 #define CX23885_BOARD_HAUPPAUGE_HVR1265_K4     58
111 #define CX23885_BOARD_HAUPPAUGE_STARBURST2     59
112 #define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB_885 60
113 #define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC_885 61
114
115 #define GPIO_0 0x00000001
116 #define GPIO_1 0x00000002
117 #define GPIO_2 0x00000004
118 #define GPIO_3 0x00000008
119 #define GPIO_4 0x00000010
120 #define GPIO_5 0x00000020
121 #define GPIO_6 0x00000040
122 #define GPIO_7 0x00000080
123 #define GPIO_8 0x00000100
124 #define GPIO_9 0x00000200
125 #define GPIO_10 0x00000400
126 #define GPIO_11 0x00000800
127 #define GPIO_12 0x00001000
128 #define GPIO_13 0x00002000
129 #define GPIO_14 0x00004000
130 #define GPIO_15 0x00008000
131
132 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
133 #define CX23885_NORMS (\
134         V4L2_STD_NTSC_M |  V4L2_STD_NTSC_M_JP |  V4L2_STD_NTSC_443 | \
135         V4L2_STD_PAL_BG |  V4L2_STD_PAL_DK    |  V4L2_STD_PAL_I    | \
136         V4L2_STD_PAL_M  |  V4L2_STD_PAL_N     |  V4L2_STD_PAL_Nc   | \
137         V4L2_STD_PAL_60 |  V4L2_STD_SECAM_L   |  V4L2_STD_SECAM_DK)
138
139 struct cx23885_fmt {
140         char  *name;
141         u32   fourcc;          /* v4l2 format id */
142         int   depth;
143         int   flags;
144         u32   cxformat;
145 };
146
147 struct cx23885_tvnorm {
148         char            *name;
149         v4l2_std_id     id;
150         u32             cxiformat;
151         u32             cxoformat;
152 };
153
154 enum cx23885_itype {
155         CX23885_VMUX_COMPOSITE1 = 1,
156         CX23885_VMUX_COMPOSITE2,
157         CX23885_VMUX_COMPOSITE3,
158         CX23885_VMUX_COMPOSITE4,
159         CX23885_VMUX_SVIDEO,
160         CX23885_VMUX_COMPONENT,
161         CX23885_VMUX_TELEVISION,
162         CX23885_VMUX_CABLE,
163         CX23885_VMUX_DVB,
164         CX23885_VMUX_DEBUG,
165         CX23885_RADIO,
166 };
167
168 enum cx23885_src_sel_type {
169         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
170         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
171 };
172
173 struct cx23885_riscmem {
174         unsigned int   size;
175         __le32         *cpu;
176         __le32         *jmp;
177         dma_addr_t     dma;
178 };
179
180 /* buffer for one video frame */
181 struct cx23885_buffer {
182         /* common v4l buffer stuff -- must be first */
183         struct vb2_v4l2_buffer vb;
184         struct list_head queue;
185
186         /* cx23885 specific */
187         unsigned int           bpl;
188         struct cx23885_riscmem risc;
189         struct cx23885_fmt     *fmt;
190         u32                    count;
191 };
192
193 struct cx23885_input {
194         enum cx23885_itype type;
195         unsigned int    vmux;
196         unsigned int    amux;
197         u32             gpio0, gpio1, gpio2, gpio3;
198 };
199
200 typedef enum {
201         CX23885_MPEG_UNDEFINED = 0,
202         CX23885_MPEG_DVB,
203         CX23885_ANALOG_VIDEO,
204         CX23885_MPEG_ENCODER,
205 } port_t;
206
207 struct cx23885_board {
208         char                    *name;
209         port_t                  porta, portb, portc;
210         int             num_fds_portb, num_fds_portc;
211         unsigned int            tuner_type;
212         unsigned int            radio_type;
213         unsigned char           tuner_addr;
214         unsigned char           radio_addr;
215         unsigned int            tuner_bus;
216
217         /* Vendors can and do run the PCIe bridge at different
218          * clock rates, driven physically by crystals on the PCBs.
219          * The core has to accommodate this. This allows the user
220          * to add new boards with new frequencys. The value is
221          * expressed in Hz.
222          *
223          * The core framework will default this value based on
224          * current designs, but it can vary.
225          */
226         u32                     clk_freq;
227         struct cx23885_input    input[MAX_CX23885_INPUT];
228         int                     ci_type; /* for NetUP */
229         /* Force bottom field first during DMA (888 workaround) */
230         u32                     force_bff;
231 };
232
233 struct cx23885_subid {
234         u16     subvendor;
235         u16     subdevice;
236         u32     card;
237 };
238
239 struct cx23885_i2c {
240         struct cx23885_dev *dev;
241
242         int                        nr;
243
244         /* i2c i/o */
245         struct i2c_adapter         i2c_adap;
246         struct i2c_client          i2c_client;
247         u32                        i2c_rc;
248
249         /* 885 registers used for raw address */
250         u32                        i2c_period;
251         u32                        reg_ctrl;
252         u32                        reg_stat;
253         u32                        reg_addr;
254         u32                        reg_rdata;
255         u32                        reg_wdata;
256 };
257
258 struct cx23885_dmaqueue {
259         struct list_head       active;
260         u32                    count;
261 };
262
263 struct cx23885_tsport {
264         struct cx23885_dev *dev;
265
266         unsigned                   nr;
267         int                        sram_chno;
268
269         struct vb2_dvb_frontends   frontends;
270
271         /* dma queues */
272         struct cx23885_dmaqueue    mpegq;
273         u32                        ts_packet_size;
274         u32                        ts_packet_count;
275
276         int                        width;
277         int                        height;
278
279         spinlock_t                 slock;
280
281         /* registers */
282         u32                        reg_gpcnt;
283         u32                        reg_gpcnt_ctl;
284         u32                        reg_dma_ctl;
285         u32                        reg_lngth;
286         u32                        reg_hw_sop_ctrl;
287         u32                        reg_gen_ctrl;
288         u32                        reg_bd_pkt_status;
289         u32                        reg_sop_status;
290         u32                        reg_fifo_ovfl_stat;
291         u32                        reg_vld_misc;
292         u32                        reg_ts_clk_en;
293         u32                        reg_ts_int_msk;
294         u32                        reg_ts_int_stat;
295         u32                        reg_src_sel;
296
297         /* Default register vals */
298         int                        pci_irqmask;
299         u32                        dma_ctl_val;
300         u32                        ts_int_msk_val;
301         u32                        gen_ctrl_val;
302         u32                        ts_clk_en_val;
303         u32                        src_sel_val;
304         u32                        vld_misc_val;
305         u32                        hw_sop_ctrl_val;
306
307         /* Allow a single tsport to have multiple frontends */
308         u32                        num_frontends;
309         void                (*gate_ctrl)(struct cx23885_tsport *port, int open);
310         void                       *port_priv;
311
312         /* Workaround for a temp dvb_frontend that the tuner can attached to */
313         struct dvb_frontend analog_fe;
314
315         struct i2c_client *i2c_client_demod;
316         struct i2c_client *i2c_client_tuner;
317         struct i2c_client *i2c_client_sec;
318         struct i2c_client *i2c_client_ci;
319
320         int (*set_frontend)(struct dvb_frontend *fe);
321         int (*fe_set_voltage)(struct dvb_frontend *fe,
322                               enum fe_sec_voltage voltage);
323 };
324
325 struct cx23885_kernel_ir {
326         struct cx23885_dev      *cx;
327         char                    *name;
328         char                    *phys;
329
330         struct rc_dev           *rc;
331 };
332
333 struct cx23885_audio_buffer {
334         unsigned int            bpl;
335         struct cx23885_riscmem  risc;
336         void                    *vaddr;
337         struct scatterlist      *sglist;
338         int                     sglen;
339         int                     nr_pages;
340 };
341
342 struct cx23885_audio_dev {
343         struct cx23885_dev      *dev;
344
345         struct pci_dev          *pci;
346
347         struct snd_card         *card;
348
349         spinlock_t              lock;
350
351         atomic_t                count;
352
353         unsigned int            dma_size;
354         unsigned int            period_size;
355         unsigned int            num_periods;
356
357         struct cx23885_audio_buffer   *buf;
358
359         struct snd_pcm_substream *substream;
360 };
361
362 struct cx23885_dev {
363         atomic_t                   refcount;
364         struct v4l2_device         v4l2_dev;
365         struct v4l2_ctrl_handler   ctrl_handler;
366
367         /* pci stuff */
368         struct pci_dev             *pci;
369         unsigned char              pci_rev, pci_lat;
370         int                        pci_bus, pci_slot;
371         u32                        __iomem *lmmio;
372         u8                         __iomem *bmmio;
373         int                        pci_irqmask;
374         spinlock_t                 pci_irqmask_lock; /* protects mask reg too */
375         int                        hwrevision;
376
377         /* This valud is board specific and is used to configure the
378          * AV core so we see nice clean and stable video and audio. */
379         u32                        clk_freq;
380
381         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
382         struct cx23885_i2c         i2c_bus[3];
383
384         int                        nr;
385         struct mutex               lock;
386         struct mutex               gpio_lock;
387
388         /* board details */
389         unsigned int               board;
390         char                       name[32];
391
392         struct cx23885_tsport      ts1, ts2;
393
394         /* sram configuration */
395         struct sram_channel        *sram_channels;
396
397         enum {
398                 CX23885_BRIDGE_UNDEFINED = 0,
399                 CX23885_BRIDGE_885 = 885,
400                 CX23885_BRIDGE_887 = 887,
401                 CX23885_BRIDGE_888 = 888,
402         } bridge;
403
404         /* Analog video */
405         unsigned int               input;
406         unsigned int               audinput; /* Selectable audio input */
407         u32                        tvaudio;
408         v4l2_std_id                tvnorm;
409         unsigned int               tuner_type;
410         unsigned char              tuner_addr;
411         unsigned int               tuner_bus;
412         unsigned int               radio_type;
413         unsigned char              radio_addr;
414         struct v4l2_subdev         *sd_cx25840;
415         struct work_struct         cx25840_work;
416
417         /* Infrared */
418         struct v4l2_subdev         *sd_ir;
419         struct work_struct         ir_rx_work;
420         unsigned long              ir_rx_notifications;
421         struct work_struct         ir_tx_work;
422         unsigned long              ir_tx_notifications;
423
424         struct cx23885_kernel_ir   *kernel_ir;
425         atomic_t                   ir_input_stopping;
426
427         /* V4l */
428         u32                        freq;
429         struct video_device        *video_dev;
430         struct video_device        *vbi_dev;
431
432         /* video capture */
433         struct cx23885_fmt         *fmt;
434         unsigned int               width, height;
435         unsigned                   field;
436
437         struct cx23885_dmaqueue    vidq;
438         struct vb2_queue           vb2_vidq;
439         struct cx23885_dmaqueue    vbiq;
440         struct vb2_queue           vb2_vbiq;
441
442         spinlock_t                 slock;
443
444         /* MPEG Encoder ONLY settings */
445         u32                        cx23417_mailbox;
446         struct cx2341x_handler     cxhdl;
447         struct video_device        *v4l_device;
448         struct vb2_queue           vb2_mpegq;
449         struct cx23885_tvnorm      encodernorm;
450
451         /* Analog raw audio */
452         struct cx23885_audio_dev   *audio_dev;
453
454         /* Does the system require periodic DMA resets? */
455         unsigned int            need_dma_reset:1;
456 };
457
458 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
459 {
460         return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
461 }
462
463 #define call_all(dev, o, f, args...) \
464         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
465
466 #define CX23885_HW_888_IR  (1 << 0)
467 #define CX23885_HW_AV_CORE (1 << 1)
468
469 #define call_hw(dev, grpid, o, f, args...) \
470         v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
471
472 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
473
474 #define SRAM_CH01  0 /* Video A */
475 #define SRAM_CH02  1 /* VBI A */
476 #define SRAM_CH03  2 /* Video B */
477 #define SRAM_CH04  3 /* Transport via B */
478 #define SRAM_CH05  4 /* VBI B */
479 #define SRAM_CH06  5 /* Video C */
480 #define SRAM_CH07  6 /* Transport via C */
481 #define SRAM_CH08  7 /* Audio Internal A */
482 #define SRAM_CH09  8 /* Audio Internal B */
483 #define SRAM_CH10  9 /* Audio External */
484 #define SRAM_CH11 10 /* COMB_3D_N */
485 #define SRAM_CH12 11 /* Comb 3D N1 */
486 #define SRAM_CH13 12 /* Comb 3D N2 */
487 #define SRAM_CH14 13 /* MOE Vid */
488 #define SRAM_CH15 14 /* MOE RSLT */
489
490 struct sram_channel {
491         char *name;
492         u32  cmds_start;
493         u32  ctrl_start;
494         u32  cdt;
495         u32  fifo_start;
496         u32  fifo_size;
497         u32  ptr1_reg;
498         u32  ptr2_reg;
499         u32  cnt1_reg;
500         u32  cnt2_reg;
501         u32  jumponly;
502 };
503
504 /* ----------------------------------------------------------- */
505
506 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
507 #define cx_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
508
509 #define cx_andor(reg, mask, value) \
510   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
511   ((value) & (mask)), dev->lmmio+((reg)>>2))
512
513 #define cx_set(reg, bit)          cx_andor((reg), (bit), (bit))
514 #define cx_clear(reg, bit)        cx_andor((reg), (bit), 0)
515
516 /* ----------------------------------------------------------- */
517 /* cx23885-core.c                                              */
518
519 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
520         struct sram_channel *ch,
521         unsigned int bpl, u32 risc);
522
523 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
524         struct sram_channel *ch);
525
526 extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
527         struct scatterlist *sglist,
528         unsigned int top_offset, unsigned int bottom_offset,
529         unsigned int bpl, unsigned int padding, unsigned int lines);
530
531 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
532         struct cx23885_riscmem *risc, struct scatterlist *sglist,
533         unsigned int top_offset, unsigned int bottom_offset,
534         unsigned int bpl, unsigned int padding, unsigned int lines);
535
536 int cx23885_start_dma(struct cx23885_tsport *port,
537                              struct cx23885_dmaqueue *q,
538                              struct cx23885_buffer   *buf);
539 void cx23885_cancel_buffers(struct cx23885_tsport *port);
540
541
542 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
543 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
544 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
545 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
546         int asoutput);
547
548 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
549 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
550 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
551 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
552
553 /* ----------------------------------------------------------- */
554 /* cx23885-cards.c                                             */
555 extern struct cx23885_board cx23885_boards[];
556 extern const unsigned int cx23885_bcount;
557
558 extern struct cx23885_subid cx23885_subids[];
559 extern const unsigned int cx23885_idcount;
560
561 extern int cx23885_tuner_callback(void *priv, int component,
562         int command, int arg);
563 extern void cx23885_card_list(struct cx23885_dev *dev);
564 extern int  cx23885_ir_init(struct cx23885_dev *dev);
565 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
566 extern void cx23885_ir_fini(struct cx23885_dev *dev);
567 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
568 extern void cx23885_card_setup(struct cx23885_dev *dev);
569 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
570
571 extern int cx23885_dvb_register(struct cx23885_tsport *port);
572 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
573
574 extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
575                                struct cx23885_tsport *port);
576 extern void cx23885_buf_queue(struct cx23885_tsport *port,
577                               struct cx23885_buffer *buf);
578 extern void cx23885_free_buffer(struct cx23885_dev *dev,
579                                 struct cx23885_buffer *buf);
580
581 /* ----------------------------------------------------------- */
582 /* cx23885-video.c                                             */
583 /* Video */
584 extern int cx23885_video_register(struct cx23885_dev *dev);
585 extern void cx23885_video_unregister(struct cx23885_dev *dev);
586 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
587 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
588         struct cx23885_dmaqueue *q, u32 count);
589 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
590 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
591 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
592 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
593 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
594
595 /* ----------------------------------------------------------- */
596 /* cx23885-vbi.c                                               */
597 extern int cx23885_vbi_fmt(struct file *file, void *priv,
598         struct v4l2_format *f);
599 extern void cx23885_vbi_timeout(unsigned long data);
600 extern const struct vb2_ops cx23885_vbi_qops;
601 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
602
603 /* cx23885-i2c.c                                                */
604 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
605 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
606 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
607
608 /* ----------------------------------------------------------- */
609 /* cx23885-417.c                                               */
610 extern int cx23885_417_register(struct cx23885_dev *dev);
611 extern void cx23885_417_unregister(struct cx23885_dev *dev);
612 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
613 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
614 extern void cx23885_mc417_init(struct cx23885_dev *dev);
615 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
616 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
617 extern int mc417_register_read(struct cx23885_dev *dev,
618                                 u16 address, u32 *value);
619 extern int mc417_register_write(struct cx23885_dev *dev,
620                                 u16 address, u32 value);
621 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
622 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
623 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
624
625 /* ----------------------------------------------------------- */
626 /* cx23885-alsa.c                                             */
627 extern struct cx23885_audio_dev *cx23885_audio_register(
628                                         struct cx23885_dev *dev);
629 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
630 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
631 extern int cx23885_risc_databuffer(struct pci_dev *pci,
632                                    struct cx23885_riscmem *risc,
633                                    struct scatterlist *sglist,
634                                    unsigned int bpl,
635                                    unsigned int lines,
636                                    unsigned int lpi);
637
638 /* ----------------------------------------------------------- */
639 /* tv norms                                                    */
640
641 static inline unsigned int norm_maxh(v4l2_std_id norm)
642 {
643         return (norm & V4L2_STD_525_60) ? 480 : 576;
644 }