1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Driver for the Conexant CX23885 PCIe bridge
4 *
5 * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org>
6 */
7
8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
10#include <linux/pci.h>
11#include <linux/i2c.h>
12#include <linux/kdev_t.h>
13#include <linux/slab.h>
14
15#include <media/v4l2-device.h>
16#include <media/v4l2-fh.h>
17#include <media/v4l2-ctrls.h>
18#include <media/tuner.h>
19#include <media/tveeprom.h>
20#include <media/videobuf2-dma-sg.h>
21#include <media/videobuf2-dvb.h>
22#include <media/rc-core.h>
23
24#include "cx23885-reg.h"
25#include "media/drv-intf/cx2341x.h"
26
27#include <linux/mutex.h>
28
29#define CX23885_VERSION "0.0.4"
30
31#define UNSET (-1U)
32
33#define CX23885_MAXBOARDS 8
34
35/* Max number of inputs by card */
36#define MAX_CX23885_INPUT 8
37#define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
38
39#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
40
41#define CX23885_BOARD_NOAUTO UNSET
42#define CX23885_BOARD_UNKNOWN 0
43#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
44#define CX23885_BOARD_HAUPPAUGE_HVR1800 2
45#define CX23885_BOARD_HAUPPAUGE_HVR1250 3
46#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
47#define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
48#define CX23885_BOARD_HAUPPAUGE_HVR1500 6
49#define CX23885_BOARD_HAUPPAUGE_HVR1200 7
50#define CX23885_BOARD_HAUPPAUGE_HVR1700 8
51#define CX23885_BOARD_HAUPPAUGE_HVR1400 9
52#define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
53#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
54#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
55#define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
56#define CX23885_BOARD_TBS_6920 14
57#define CX23885_BOARD_TEVII_S470 15
58#define CX23885_BOARD_DVBWORLD_2005 16
59#define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
60#define CX23885_BOARD_HAUPPAUGE_HVR1270 18
61#define CX23885_BOARD_HAUPPAUGE_HVR1275 19
62#define CX23885_BOARD_HAUPPAUGE_HVR1255 20
63#define CX23885_BOARD_HAUPPAUGE_HVR1210 21
64#define CX23885_BOARD_MYGICA_X8506 22
65#define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
66#define CX23885_BOARD_HAUPPAUGE_HVR1850 24
67#define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25
68#define CX23885_BOARD_HAUPPAUGE_HVR1290 26
69#define CX23885_BOARD_MYGICA_X8558PRO 27
70#define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
71#define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29
72#define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
73#define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
74#define CX23885_BOARD_MPX885 32
75#define CX23885_BOARD_MYGICA_X8507 33
76#define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
77#define CX23885_BOARD_TEVII_S471 35
78#define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36
79#define CX23885_BOARD_PROF_8000 37
80#define CX23885_BOARD_HAUPPAUGE_HVR4400 38
81#define CX23885_BOARD_AVERMEDIA_HC81R 39
82#define CX23885_BOARD_TBS_6981 40
83#define CX23885_BOARD_TBS_6980 41
84#define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
85#define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE 43
86#define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
87#define CX23885_BOARD_DVBSKY_T9580 45
88#define CX23885_BOARD_DVBSKY_T980C 46
89#define CX23885_BOARD_DVBSKY_S950C 47
90#define CX23885_BOARD_TT_CT2_4500_CI 48
91#define CX23885_BOARD_DVBSKY_S950 49
92#define CX23885_BOARD_DVBSKY_S952 50
93#define CX23885_BOARD_DVBSKY_T982 51
94#define CX23885_BOARD_HAUPPAUGE_HVR5525 52
95#define CX23885_BOARD_HAUPPAUGE_STARBURST 53
96#define CX23885_BOARD_VIEWCAST_260E 54
97#define CX23885_BOARD_VIEWCAST_460E 55
98#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB 56
99#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC 57
100#define CX23885_BOARD_HAUPPAUGE_HVR1265_K4 58
101#define CX23885_BOARD_HAUPPAUGE_STARBURST2 59
102#define CX23885_BOARD_HAUPPAUGE_QUADHD_DVB_885 60
103#define CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC_885 61
104#define CX23885_BOARD_AVERMEDIA_CE310B 62
105
106#define GPIO_0 0x00000001
107#define GPIO_1 0x00000002
108#define GPIO_2 0x00000004
109#define GPIO_3 0x00000008
110#define GPIO_4 0x00000010
111#define GPIO_5 0x00000020
112#define GPIO_6 0x00000040
113#define GPIO_7 0x00000080
114#define GPIO_8 0x00000100
115#define GPIO_9 0x00000200
116#define GPIO_10 0x00000400
117#define GPIO_11 0x00000800
118#define GPIO_12 0x00001000
119#define GPIO_13 0x00002000
120#define GPIO_14 0x00004000
121#define GPIO_15 0x00008000
122
123/* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
124#define CX23885_NORMS (\
125 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
126 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
127 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
128 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
129
130struct cx23885_fmt {
131 u32 fourcc; /* v4l2 format id */
132 int depth;
133 int flags;
134 u32 cxformat;
135};
136
137struct cx23885_tvnorm {
138 char *name;
139 v4l2_std_id id;
140 u32 cxiformat;
141 u32 cxoformat;
142};
143
144enum cx23885_itype {
145 CX23885_VMUX_COMPOSITE1 = 1,
146 CX23885_VMUX_COMPOSITE2,
147 CX23885_VMUX_COMPOSITE3,
148 CX23885_VMUX_COMPOSITE4,
149 CX23885_VMUX_SVIDEO,
150 CX23885_VMUX_COMPONENT,
151 CX23885_VMUX_TELEVISION,
152 CX23885_VMUX_CABLE,
153 CX23885_VMUX_DVB,
154 CX23885_VMUX_DEBUG,
155 CX23885_RADIO,
156};
157
158enum cx23885_src_sel_type {
159 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
160 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
161};
162
163struct cx23885_riscmem {
164 unsigned int size;
165 __le32 *cpu;
166 __le32 *jmp;
167 dma_addr_t dma;
168};
169
170/* buffer for one video frame */
171struct cx23885_buffer {
172 /* common v4l buffer stuff -- must be first */
173 struct vb2_v4l2_buffer vb;
174 struct list_head queue;
175
176 /* cx23885 specific */
177 unsigned int bpl;
178 struct cx23885_riscmem risc;
179 struct cx23885_fmt *fmt;
180 u32 count;
181};
182
183struct cx23885_input {
184 enum cx23885_itype type;
185 unsigned int vmux;
186 unsigned int amux;
187 u32 gpio0, gpio1, gpio2, gpio3;
188};
189
190typedef enum {
191 CX23885_MPEG_UNDEFINED = 0,
192 CX23885_MPEG_DVB,
193 CX23885_ANALOG_VIDEO,
194 CX23885_MPEG_ENCODER,
195} port_t;
196
197struct cx23885_board {
198 char *name;
199 port_t porta, portb, portc;
200 int num_fds_portb, num_fds_portc;
201 unsigned int tuner_type;
202 unsigned int radio_type;
203 unsigned char tuner_addr;
204 unsigned char radio_addr;
205 unsigned int tuner_bus;
206
207 /* Vendors can and do run the PCIe bridge at different
208 * clock rates, driven physically by crystals on the PCBs.
209 * The core has to accommodate this. This allows the user
210 * to add new boards with new frequencys. The value is
211 * expressed in Hz.
212 *
213 * The core framework will default this value based on
214 * current designs, but it can vary.
215 */
216 u32 clk_freq;
217 struct cx23885_input input[MAX_CX23885_INPUT];
218 int ci_type; /* for NetUP */
219 /* Force bottom field first during DMA (888 workaround) */
220 u32 force_bff;
221};
222
223struct cx23885_subid {
224 u16 subvendor;
225 u16 subdevice;
226 u32 card;
227};
228
229struct cx23885_i2c {
230 struct cx23885_dev *dev;
231
232 int nr;
233
234 /* i2c i/o */
235 struct i2c_adapter i2c_adap;
236 struct i2c_client i2c_client;
237 u32 i2c_rc;
238
239 /* 885 registers used for raw address */
240 u32 i2c_period;
241 u32 reg_ctrl;
242 u32 reg_stat;
243 u32 reg_addr;
244 u32 reg_rdata;
245 u32 reg_wdata;
246};
247
248struct cx23885_dmaqueue {
249 struct list_head active;
250 u32 count;
251};
252
253struct cx23885_tsport {
254 struct cx23885_dev *dev;
255
256 unsigned nr;
257 int sram_chno;
258
259 struct vb2_dvb_frontends frontends;
260
261 /* dma queues */
262 struct cx23885_dmaqueue mpegq;
263 u32 ts_packet_size;
264 u32 ts_packet_count;
265
266 int width;
267 int height;
268
269 spinlock_t slock;
270
271 /* registers */
272 u32 reg_gpcnt;
273 u32 reg_gpcnt_ctl;
274 u32 reg_dma_ctl;
275 u32 reg_lngth;
276 u32 reg_hw_sop_ctrl;
277 u32 reg_gen_ctrl;
278 u32 reg_bd_pkt_status;
279 u32 reg_sop_status;
280 u32 reg_fifo_ovfl_stat;
281 u32 reg_vld_misc;
282 u32 reg_ts_clk_en;
283 u32 reg_ts_int_msk;
284 u32 reg_ts_int_stat;
285 u32 reg_src_sel;
286
287 /* Default register vals */
288 int pci_irqmask;
289 u32 dma_ctl_val;
290 u32 ts_int_msk_val;
291 u32 gen_ctrl_val;
292 u32 ts_clk_en_val;
293 u32 src_sel_val;
294 u32 vld_misc_val;
295 u32 hw_sop_ctrl_val;
296
297 /* Allow a single tsport to have multiple frontends */
298 u32 num_frontends;
299 void (*gate_ctrl)(struct cx23885_tsport *port, int open);
300 void *port_priv;
301
302 /* Workaround for a temp dvb_frontend that the tuner can attached to */
303 struct dvb_frontend analog_fe;
304
305 struct i2c_client *i2c_client_demod;
306 struct i2c_client *i2c_client_tuner;
307 struct i2c_client *i2c_client_sec;
308 struct i2c_client *i2c_client_ci;
309
310 int (*set_frontend)(struct dvb_frontend *fe);
311 int (*fe_set_voltage)(struct dvb_frontend *fe,
312 enum fe_sec_voltage voltage);
313};
314
315struct cx23885_kernel_ir {
316 struct cx23885_dev *cx;
317 char *name;
318 char *phys;
319
320 struct rc_dev *rc;
321};
322
323struct cx23885_audio_buffer {
324 unsigned int bpl;
325 struct cx23885_riscmem risc;
326 void *vaddr;
327 struct scatterlist *sglist;
328 int sglen;
329 unsigned long nr_pages;
330};
331
332struct cx23885_audio_dev {
333 struct cx23885_dev *dev;
334
335 struct pci_dev *pci;
336
337 struct snd_card *card;
338
339 spinlock_t lock;
340
341 atomic_t count;
342
343 unsigned int dma_size;
344 unsigned int period_size;
345 unsigned int num_periods;
346
347 struct cx23885_audio_buffer *buf;
348
349 struct snd_pcm_substream *substream;
350};
351
352struct cx23885_dev {
353 atomic_t refcount;
354 struct v4l2_device v4l2_dev;
355 struct v4l2_ctrl_handler ctrl_handler;
356
357 /* pci stuff */
358 struct pci_dev *pci;
359 unsigned char pci_rev, pci_lat;
360 int pci_bus, pci_slot;
361 u32 __iomem *lmmio;
362 u8 __iomem *bmmio;
363 int pci_irqmask;
364 spinlock_t pci_irqmask_lock; /* protects mask reg too */
365 int hwrevision;
366
367 /* This valud is board specific and is used to configure the
368 * AV core so we see nice clean and stable video and audio. */
369 u32 clk_freq;
370
371 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
372 struct cx23885_i2c i2c_bus[3];
373
374 int nr;
375 struct mutex lock;
376 struct mutex gpio_lock;
377
378 /* board details */
379 unsigned int board;
380 char name[32];
381
382 struct cx23885_tsport ts1, ts2;
383
384 /* sram configuration */
385 struct sram_channel *sram_channels;
386
387 enum {
388 CX23885_BRIDGE_UNDEFINED = 0,
389 CX23885_BRIDGE_885 = 885,
390 CX23885_BRIDGE_887 = 887,
391 CX23885_BRIDGE_888 = 888,
392 } bridge;
393
394 /* Analog video */
395 unsigned int input;
396 unsigned int audinput; /* Selectable audio input */
397 u32 tvaudio;
398 v4l2_std_id tvnorm;
399 unsigned int tuner_type;
400 unsigned char tuner_addr;
401 unsigned int tuner_bus;
402 unsigned int radio_type;
403 unsigned char radio_addr;
404 struct v4l2_subdev *sd_cx25840;
405 struct work_struct cx25840_work;
406
407 /* Infrared */
408 struct v4l2_subdev *sd_ir;
409 struct work_struct ir_rx_work;
410 unsigned long ir_rx_notifications;
411 struct work_struct ir_tx_work;
412 unsigned long ir_tx_notifications;
413
414 struct cx23885_kernel_ir *kernel_ir;
415 atomic_t ir_input_stopping;
416
417 /* V4l */
418 u32 freq;
419 struct video_device *video_dev;
420 struct video_device *vbi_dev;
421
422 /* video capture */
423 struct cx23885_fmt *fmt;
424 unsigned int width, height;
425 unsigned field;
426
427 struct cx23885_dmaqueue vidq;
428 struct vb2_queue vb2_vidq;
429 struct cx23885_dmaqueue vbiq;
430 struct vb2_queue vb2_vbiq;
431
432 spinlock_t slock;
433
434 /* MPEG Encoder ONLY settings */
435 u32 cx23417_mailbox;
436 struct cx2341x_handler cxhdl;
437 struct video_device *v4l_device;
438 struct vb2_queue vb2_mpegq;
439 struct cx23885_tvnorm encodernorm;
440
441 /* Analog raw audio */
442 struct cx23885_audio_dev *audio_dev;
443
444 /* Does the system require periodic DMA resets? */
445 unsigned int need_dma_reset:1;
446};
447
448static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
449{
450 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
451}
452
453#define call_all(dev, o, f, args...) \
454 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
455
456#define CX23885_HW_888_IR (1 << 0)
457#define CX23885_HW_AV_CORE (1 << 1)
458
459#define call_hw(dev, grpid, o, f, args...) \
460 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
461
462extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
463
464#define SRAM_CH01 0 /* Video A */
465#define SRAM_CH02 1 /* VBI A */
466#define SRAM_CH03 2 /* Video B */
467#define SRAM_CH04 3 /* Transport via B */
468#define SRAM_CH05 4 /* VBI B */
469#define SRAM_CH06 5 /* Video C */
470#define SRAM_CH07 6 /* Transport via C */
471#define SRAM_CH08 7 /* Audio Internal A */
472#define SRAM_CH09 8 /* Audio Internal B */
473#define SRAM_CH10 9 /* Audio External */
474#define SRAM_CH11 10 /* COMB_3D_N */
475#define SRAM_CH12 11 /* Comb 3D N1 */
476#define SRAM_CH13 12 /* Comb 3D N2 */
477#define SRAM_CH14 13 /* MOE Vid */
478#define SRAM_CH15 14 /* MOE RSLT */
479
480struct sram_channel {
481 char *name;
482 u32 cmds_start;
483 u32 ctrl_start;
484 u32 cdt;
485 u32 fifo_start;
486 u32 fifo_size;
487 u32 ptr1_reg;
488 u32 ptr2_reg;
489 u32 cnt1_reg;
490 u32 cnt2_reg;
491 u32 jumponly;
492};
493
494/* ----------------------------------------------------------- */
495
496#define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
497#define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
498
499#define cx_andor(reg, mask, value) \
500 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
501 ((value) & (mask)), dev->lmmio+((reg)>>2))
502
503#define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
504#define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
505
506/* ----------------------------------------------------------- */
507/* cx23885-core.c */
508
509extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
510 struct sram_channel *ch,
511 unsigned int bpl, u32 risc);
512
513extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
514 struct sram_channel *ch);
515
516extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
517 struct scatterlist *sglist,
518 unsigned int top_offset, unsigned int bottom_offset,
519 unsigned int bpl, unsigned int padding, unsigned int lines);
520
521extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
522 struct cx23885_riscmem *risc, struct scatterlist *sglist,
523 unsigned int top_offset, unsigned int bottom_offset,
524 unsigned int bpl, unsigned int padding, unsigned int lines);
525
526int cx23885_start_dma(struct cx23885_tsport *port,
527 struct cx23885_dmaqueue *q,
528 struct cx23885_buffer *buf);
529void cx23885_cancel_buffers(struct cx23885_tsport *port);
530
531
532extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
533extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
534extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
535extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
536 int asoutput);
537
538extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
539extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
540extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
541extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
542
543/* ----------------------------------------------------------- */
544/* cx23885-cards.c */
545extern struct cx23885_board cx23885_boards[];
546extern const unsigned int cx23885_bcount;
547
548extern struct cx23885_subid cx23885_subids[];
549extern const unsigned int cx23885_idcount;
550
551extern int cx23885_tuner_callback(void *priv, int component,
552 int command, int arg);
553extern void cx23885_card_list(struct cx23885_dev *dev);
554extern int cx23885_ir_init(struct cx23885_dev *dev);
555extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
556extern void cx23885_ir_fini(struct cx23885_dev *dev);
557extern void cx23885_gpio_setup(struct cx23885_dev *dev);
558extern void cx23885_card_setup(struct cx23885_dev *dev);
559extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
560
561extern int cx23885_dvb_register(struct cx23885_tsport *port);
562extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
563
564extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
565 struct cx23885_tsport *port);
566extern void cx23885_buf_queue(struct cx23885_tsport *port,
567 struct cx23885_buffer *buf);
568extern void cx23885_free_buffer(struct cx23885_dev *dev,
569 struct cx23885_buffer *buf);
570
571/* ----------------------------------------------------------- */
572/* cx23885-video.c */
573/* Video */
574extern int cx23885_video_register(struct cx23885_dev *dev);
575extern void cx23885_video_unregister(struct cx23885_dev *dev);
576extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
577extern void cx23885_video_wakeup(struct cx23885_dev *dev,
578 struct cx23885_dmaqueue *q, u32 count);
579int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
580int cx23885_set_input(struct file *file, void *priv, unsigned int i);
581int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
582int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
583int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
584
585/* ----------------------------------------------------------- */
586/* cx23885-vbi.c */
587extern int cx23885_vbi_fmt(struct file *file, void *priv,
588 struct v4l2_format *f);
589extern void cx23885_vbi_timeout(unsigned long data);
590extern const struct vb2_ops cx23885_vbi_qops;
591extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
592
593/* cx23885-i2c.c */
594extern int cx23885_i2c_register(struct cx23885_i2c *bus);
595extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
596extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
597
598/* ----------------------------------------------------------- */
599/* cx23885-417.c */
600extern int cx23885_417_register(struct cx23885_dev *dev);
601extern void cx23885_417_unregister(struct cx23885_dev *dev);
602extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
603extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
604extern void cx23885_mc417_init(struct cx23885_dev *dev);
605extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
606extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
607extern int mc417_register_read(struct cx23885_dev *dev,
608 u16 address, u32 *value);
609extern int mc417_register_write(struct cx23885_dev *dev,
610 u16 address, u32 value);
611extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
612extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
613extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
614
615/* ----------------------------------------------------------- */
616/* cx23885-alsa.c */
617extern struct cx23885_audio_dev *cx23885_audio_register(
618 struct cx23885_dev *dev);
619extern void cx23885_audio_unregister(struct cx23885_dev *dev);
620extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
621extern int cx23885_risc_databuffer(struct pci_dev *pci,
622 struct cx23885_riscmem *risc,
623 struct scatterlist *sglist,
624 unsigned int bpl,
625 unsigned int lines,
626 unsigned int lpi);
627
628/* ----------------------------------------------------------- */
629/* tv norms */
630
631static inline unsigned int norm_maxh(v4l2_std_id norm)
632{
633 return (norm & V4L2_STD_525_60) ? 480 : 576;
634}
635

source code of linux/drivers/media/pci/cx23885/cx23885.h