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 #define CX23885_BOARD_AVERMEDIA_H789C 63
106
107 #define GPIO_0 0x00000001
108 #define GPIO_1 0x00000002
109 #define GPIO_2 0x00000004
110 #define GPIO_3 0x00000008
111 #define GPIO_4 0x00000010
112 #define GPIO_5 0x00000020
113 #define GPIO_6 0x00000040
114 #define GPIO_7 0x00000080
115 #define GPIO_8 0x00000100
116 #define GPIO_9 0x00000200
117 #define GPIO_10 0x00000400
118 #define GPIO_11 0x00000800
119 #define GPIO_12 0x00001000
120 #define GPIO_13 0x00002000
121 #define GPIO_14 0x00004000
122 #define GPIO_15 0x00008000
123
124 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
125 #define CX23885_NORMS (\
126 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
127 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
128 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
129 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
130
131 struct cx23885_fmt {
132 u32 fourcc; /* v4l2 format id */
133 int depth;
134 int flags;
135 u32 cxformat;
136 };
137
138 struct cx23885_tvnorm {
139 char *name;
140 v4l2_std_id id;
141 u32 cxiformat;
142 u32 cxoformat;
143 };
144
145 enum cx23885_itype {
146 CX23885_VMUX_COMPOSITE1 = 1,
147 CX23885_VMUX_COMPOSITE2,
148 CX23885_VMUX_COMPOSITE3,
149 CX23885_VMUX_COMPOSITE4,
150 CX23885_VMUX_SVIDEO,
151 CX23885_VMUX_COMPONENT,
152 CX23885_VMUX_TELEVISION,
153 CX23885_VMUX_CABLE,
154 CX23885_VMUX_DVB,
155 CX23885_VMUX_DEBUG,
156 CX23885_RADIO,
157 };
158
159 enum cx23885_src_sel_type {
160 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
161 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
162 };
163
164 struct cx23885_riscmem {
165 unsigned int size;
166 __le32 *cpu;
167 __le32 *jmp;
168 dma_addr_t dma;
169 };
170
171 /* buffer for one video frame */
172 struct cx23885_buffer {
173 /* common v4l buffer stuff -- must be first */
174 struct vb2_v4l2_buffer vb;
175 struct list_head queue;
176
177 /* cx23885 specific */
178 unsigned int bpl;
179 struct cx23885_riscmem risc;
180 struct cx23885_fmt *fmt;
181 u32 count;
182 };
183
184 struct cx23885_input {
185 enum cx23885_itype type;
186 unsigned int vmux;
187 unsigned int amux;
188 u32 gpio0, gpio1, gpio2, gpio3;
189 };
190
191 typedef enum {
192 CX23885_MPEG_UNDEFINED = 0,
193 CX23885_MPEG_DVB,
194 CX23885_ANALOG_VIDEO,
195 CX23885_MPEG_ENCODER,
196 } port_t;
197
198 struct cx23885_board {
199 char *name;
200 port_t porta, portb, portc;
201 int num_fds_portb, num_fds_portc;
202 unsigned int tuner_type;
203 unsigned int radio_type;
204 unsigned char tuner_addr;
205 unsigned char radio_addr;
206 unsigned int tuner_bus;
207
208 /* Vendors can and do run the PCIe bridge at different
209 * clock rates, driven physically by crystals on the PCBs.
210 * The core has to accommodate this. This allows the user
211 * to add new boards with new frequencys. The value is
212 * expressed in Hz.
213 *
214 * The core framework will default this value based on
215 * current designs, but it can vary.
216 */
217 u32 clk_freq;
218 struct cx23885_input input[MAX_CX23885_INPUT];
219 int ci_type; /* for NetUP */
220 /* Force bottom field first during DMA (888 workaround) */
221 u32 force_bff;
222 };
223
224 struct cx23885_subid {
225 u16 subvendor;
226 u16 subdevice;
227 u32 card;
228 };
229
230 struct cx23885_i2c {
231 struct cx23885_dev *dev;
232
233 int nr;
234
235 /* i2c i/o */
236 struct i2c_adapter i2c_adap;
237 struct i2c_client i2c_client;
238 u32 i2c_rc;
239
240 /* 885 registers used for raw address */
241 u32 i2c_period;
242 u32 reg_ctrl;
243 u32 reg_stat;
244 u32 reg_addr;
245 u32 reg_rdata;
246 u32 reg_wdata;
247 };
248
249 struct cx23885_dmaqueue {
250 struct list_head active;
251 u32 count;
252 };
253
254 struct cx23885_tsport {
255 struct cx23885_dev *dev;
256
257 unsigned nr;
258 int sram_chno;
259
260 struct vb2_dvb_frontends frontends;
261
262 /* dma queues */
263 struct cx23885_dmaqueue mpegq;
264 u32 ts_packet_size;
265 u32 ts_packet_count;
266
267 int width;
268 int height;
269
270 spinlock_t slock;
271
272 /* registers */
273 u32 reg_gpcnt;
274 u32 reg_gpcnt_ctl;
275 u32 reg_dma_ctl;
276 u32 reg_lngth;
277 u32 reg_hw_sop_ctrl;
278 u32 reg_gen_ctrl;
279 u32 reg_bd_pkt_status;
280 u32 reg_sop_status;
281 u32 reg_fifo_ovfl_stat;
282 u32 reg_vld_misc;
283 u32 reg_ts_clk_en;
284 u32 reg_ts_int_msk;
285 u32 reg_ts_int_stat;
286 u32 reg_src_sel;
287
288 /* Default register vals */
289 int pci_irqmask;
290 u32 dma_ctl_val;
291 u32 ts_int_msk_val;
292 u32 gen_ctrl_val;
293 u32 ts_clk_en_val;
294 u32 src_sel_val;
295 u32 vld_misc_val;
296 u32 hw_sop_ctrl_val;
297
298 /* Allow a single tsport to have multiple frontends */
299 u32 num_frontends;
300 void (*gate_ctrl)(struct cx23885_tsport *port, int open);
301 void *port_priv;
302
303 /* Workaround for a temp dvb_frontend that the tuner can attached to */
304 struct dvb_frontend analog_fe;
305
306 struct i2c_client *i2c_client_demod;
307 struct i2c_client *i2c_client_tuner;
308 struct i2c_client *i2c_client_sec;
309 struct i2c_client *i2c_client_ci;
310
311 int (*set_frontend)(struct dvb_frontend *fe);
312 int (*fe_set_voltage)(struct dvb_frontend *fe,
313 enum fe_sec_voltage voltage);
314 };
315
316 struct cx23885_kernel_ir {
317 struct cx23885_dev *cx;
318 char *name;
319 char *phys;
320
321 struct rc_dev *rc;
322 };
323
324 struct cx23885_audio_buffer {
325 unsigned int bpl;
326 struct cx23885_riscmem risc;
327 void *vaddr;
328 struct scatterlist *sglist;
329 int sglen;
330 unsigned long nr_pages;
331 };
332
333 struct cx23885_audio_dev {
334 struct cx23885_dev *dev;
335
336 struct pci_dev *pci;
337
338 struct snd_card *card;
339
340 spinlock_t lock;
341
342 atomic_t count;
343
344 unsigned int dma_size;
345 unsigned int period_size;
346 unsigned int num_periods;
347
348 struct cx23885_audio_buffer *buf;
349
350 struct snd_pcm_substream *substream;
351 };
352
353 struct cx23885_dev {
354 atomic_t refcount;
355 struct v4l2_device v4l2_dev;
356 struct v4l2_ctrl_handler ctrl_handler;
357
358 /* pci stuff */
359 struct pci_dev *pci;
360 unsigned char pci_rev, pci_lat;
361 int pci_bus, pci_slot;
362 u32 __iomem *lmmio;
363 u8 __iomem *bmmio;
364 int pci_irqmask;
365 spinlock_t pci_irqmask_lock; /* protects mask reg too */
366 int hwrevision;
367
368 /* This valud is board specific and is used to configure the
369 * AV core so we see nice clean and stable video and audio. */
370 u32 clk_freq;
371
372 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
373 struct cx23885_i2c i2c_bus[3];
374
375 int nr;
376 struct mutex lock;
377 struct mutex gpio_lock;
378
379 /* board details */
380 unsigned int board;
381 char name[32];
382
383 struct cx23885_tsport ts1, ts2;
384
385 /* sram configuration */
386 struct sram_channel *sram_channels;
387
388 enum {
389 CX23885_BRIDGE_UNDEFINED = 0,
390 CX23885_BRIDGE_885 = 885,
391 CX23885_BRIDGE_887 = 887,
392 CX23885_BRIDGE_888 = 888,
393 } bridge;
394
395 /* Analog video */
396 unsigned int input;
397 unsigned int audinput; /* Selectable audio input */
398 u32 tvaudio;
399 v4l2_std_id tvnorm;
400 unsigned int tuner_type;
401 unsigned char tuner_addr;
402 unsigned int tuner_bus;
403 unsigned int radio_type;
404 unsigned char radio_addr;
405 struct v4l2_subdev *sd_cx25840;
406 struct work_struct cx25840_work;
407
408 /* Infrared */
409 struct v4l2_subdev *sd_ir;
410 struct work_struct ir_rx_work;
411 unsigned long ir_rx_notifications;
412 struct work_struct ir_tx_work;
413 unsigned long ir_tx_notifications;
414
415 struct cx23885_kernel_ir *kernel_ir;
416 atomic_t ir_input_stopping;
417
418 /* V4l */
419 u32 freq;
420 struct video_device *video_dev;
421 struct video_device *vbi_dev;
422
423 /* video capture */
424 struct cx23885_fmt *fmt;
425 unsigned int width, height;
426 unsigned field;
427
428 struct cx23885_dmaqueue vidq;
429 struct vb2_queue vb2_vidq;
430 struct cx23885_dmaqueue vbiq;
431 struct vb2_queue vb2_vbiq;
432
433 spinlock_t slock;
434
435 /* MPEG Encoder ONLY settings */
436 u32 cx23417_mailbox;
437 struct cx2341x_handler cxhdl;
438 struct video_device *v4l_device;
439 struct vb2_queue vb2_mpegq;
440 struct cx23885_tvnorm encodernorm;
441
442 /* Analog raw audio */
443 struct cx23885_audio_dev *audio_dev;
444
445 /* Does the system require periodic DMA resets? */
446 unsigned int need_dma_reset:1;
447 };
448
to_cx23885(struct v4l2_device * v4l2_dev)449 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
450 {
451 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
452 }
453
454 #define call_all(dev, o, f, args...) \
455 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
456
457 #define CX23885_HW_888_IR (1 << 0)
458 #define CX23885_HW_AV_CORE (1 << 1)
459
460 #define call_hw(dev, grpid, o, f, args...) \
461 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
462
463 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
464
465 #define SRAM_CH01 0 /* Video A */
466 #define SRAM_CH02 1 /* VBI A */
467 #define SRAM_CH03 2 /* Video B */
468 #define SRAM_CH04 3 /* Transport via B */
469 #define SRAM_CH05 4 /* VBI B */
470 #define SRAM_CH06 5 /* Video C */
471 #define SRAM_CH07 6 /* Transport via C */
472 #define SRAM_CH08 7 /* Audio Internal A */
473 #define SRAM_CH09 8 /* Audio Internal B */
474 #define SRAM_CH10 9 /* Audio External */
475 #define SRAM_CH11 10 /* COMB_3D_N */
476 #define SRAM_CH12 11 /* Comb 3D N1 */
477 #define SRAM_CH13 12 /* Comb 3D N2 */
478 #define SRAM_CH14 13 /* MOE Vid */
479 #define SRAM_CH15 14 /* MOE RSLT */
480
481 struct sram_channel {
482 char *name;
483 u32 cmds_start;
484 u32 ctrl_start;
485 u32 cdt;
486 u32 fifo_start;
487 u32 fifo_size;
488 u32 ptr1_reg;
489 u32 ptr2_reg;
490 u32 cnt1_reg;
491 u32 cnt2_reg;
492 u32 jumponly;
493 };
494
495 /* ----------------------------------------------------------- */
496
497 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
498 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
499
500 #define cx_andor(reg, mask, value) \
501 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
502 ((value) & (mask)), dev->lmmio+((reg)>>2))
503
504 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
505 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
506
507 /* ----------------------------------------------------------- */
508 /* cx23885-core.c */
509
510 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
511 struct sram_channel *ch,
512 unsigned int bpl, u32 risc);
513
514 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
515 struct sram_channel *ch);
516
517 extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
518 struct scatterlist *sglist,
519 unsigned int top_offset, unsigned int bottom_offset,
520 unsigned int bpl, unsigned int padding, unsigned int lines);
521
522 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
523 struct cx23885_riscmem *risc, struct scatterlist *sglist,
524 unsigned int top_offset, unsigned int bottom_offset,
525 unsigned int bpl, unsigned int padding, unsigned int lines);
526
527 int cx23885_start_dma(struct cx23885_tsport *port,
528 struct cx23885_dmaqueue *q,
529 struct cx23885_buffer *buf);
530 void cx23885_cancel_buffers(struct cx23885_tsport *port);
531
532
533 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
534 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
535 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
536 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
537 int asoutput);
538
539 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
540 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
541 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
542 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
543
544 /* ----------------------------------------------------------- */
545 /* cx23885-cards.c */
546 extern struct cx23885_board cx23885_boards[];
547 extern const unsigned int cx23885_bcount;
548
549 extern struct cx23885_subid cx23885_subids[];
550 extern const unsigned int cx23885_idcount;
551
552 extern int cx23885_tuner_callback(void *priv, int component,
553 int command, int arg);
554 extern void cx23885_card_list(struct cx23885_dev *dev);
555 extern int cx23885_ir_init(struct cx23885_dev *dev);
556 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
557 extern void cx23885_ir_fini(struct cx23885_dev *dev);
558 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
559 extern void cx23885_card_setup(struct cx23885_dev *dev);
560 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
561
562 extern int cx23885_dvb_register(struct cx23885_tsport *port);
563 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
564
565 extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
566 struct cx23885_tsport *port);
567 extern void cx23885_buf_queue(struct cx23885_tsport *port,
568 struct cx23885_buffer *buf);
569 extern void cx23885_free_buffer(struct cx23885_dev *dev,
570 struct cx23885_buffer *buf);
571
572 /* ----------------------------------------------------------- */
573 /* cx23885-video.c */
574 /* Video */
575 extern int cx23885_video_register(struct cx23885_dev *dev);
576 extern void cx23885_video_unregister(struct cx23885_dev *dev);
577 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
578 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
579 struct cx23885_dmaqueue *q, u32 count);
580 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
581 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
582 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
583 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
584 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
585
586 /* ----------------------------------------------------------- */
587 /* cx23885-vbi.c */
588 extern int cx23885_vbi_fmt(struct file *file, void *priv,
589 struct v4l2_format *f);
590 extern void cx23885_vbi_timeout(unsigned long data);
591 extern const struct vb2_ops cx23885_vbi_qops;
592 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
593
594 /* cx23885-i2c.c */
595 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
596 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
597 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
598
599 /* ----------------------------------------------------------- */
600 /* cx23885-417.c */
601 extern int cx23885_417_register(struct cx23885_dev *dev);
602 extern void cx23885_417_unregister(struct cx23885_dev *dev);
603 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
604 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
605 extern void cx23885_mc417_init(struct cx23885_dev *dev);
606 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
607 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
608 extern int mc417_register_read(struct cx23885_dev *dev,
609 u16 address, u32 *value);
610 extern int mc417_register_write(struct cx23885_dev *dev,
611 u16 address, u32 value);
612 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
613 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
614 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
615
616 /* ----------------------------------------------------------- */
617 /* cx23885-alsa.c */
618 extern struct cx23885_audio_dev *cx23885_audio_register(
619 struct cx23885_dev *dev);
620 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
621 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
622 extern int cx23885_risc_databuffer(struct pci_dev *pci,
623 struct cx23885_riscmem *risc,
624 struct scatterlist *sglist,
625 unsigned int bpl,
626 unsigned int lines,
627 unsigned int lpi);
628
629 /* ----------------------------------------------------------- */
630 /* tv norms */
631
norm_maxh(v4l2_std_id norm)632 static inline unsigned int norm_maxh(v4l2_std_id norm)
633 {
634 return (norm & V4L2_STD_525_60) ? 480 : 576;
635 }
636