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 #include <linux/pci.h>
19 #include <linux/i2c.h>
20 #include <linux/kdev_t.h>
21 #include <linux/slab.h>
22
23 #include <media/v4l2-device.h>
24 #include <media/v4l2-fh.h>
25 #include <media/v4l2-ctrls.h>
26 #include <media/tuner.h>
27 #include <media/tveeprom.h>
28 #include <media/videobuf2-dma-sg.h>
29 #include <media/videobuf2-dvb.h>
30 #include <media/rc-core.h>
31
32 #include "cx23885-reg.h"
33 #include "media/cx2341x.h"
34
35 #include <linux/mutex.h>
36
37 #define CX23885_VERSION "0.0.4"
38
39 #define UNSET (-1U)
40
41 #define CX23885_MAXBOARDS 8
42
43 /* Max number of inputs by card */
44 #define MAX_CX23885_INPUT 8
45 #define INPUT(nr) (&cx23885_boards[dev->board].input[nr])
46
47 #define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */
48
49 #define CX23885_BOARD_NOAUTO UNSET
50 #define CX23885_BOARD_UNKNOWN 0
51 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1
52 #define CX23885_BOARD_HAUPPAUGE_HVR1800 2
53 #define CX23885_BOARD_HAUPPAUGE_HVR1250 3
54 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4
55 #define CX23885_BOARD_HAUPPAUGE_HVR1500Q 5
56 #define CX23885_BOARD_HAUPPAUGE_HVR1500 6
57 #define CX23885_BOARD_HAUPPAUGE_HVR1200 7
58 #define CX23885_BOARD_HAUPPAUGE_HVR1700 8
59 #define CX23885_BOARD_HAUPPAUGE_HVR1400 9
60 #define CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP 10
61 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP 11
62 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H 12
63 #define CX23885_BOARD_COMPRO_VIDEOMATE_E650F 13
64 #define CX23885_BOARD_TBS_6920 14
65 #define CX23885_BOARD_TEVII_S470 15
66 #define CX23885_BOARD_DVBWORLD_2005 16
67 #define CX23885_BOARD_NETUP_DUAL_DVBS2_CI 17
68 #define CX23885_BOARD_HAUPPAUGE_HVR1270 18
69 #define CX23885_BOARD_HAUPPAUGE_HVR1275 19
70 #define CX23885_BOARD_HAUPPAUGE_HVR1255 20
71 #define CX23885_BOARD_HAUPPAUGE_HVR1210 21
72 #define CX23885_BOARD_MYGICA_X8506 22
73 #define CX23885_BOARD_MAGICPRO_PROHDTVE2 23
74 #define CX23885_BOARD_HAUPPAUGE_HVR1850 24
75 #define CX23885_BOARD_COMPRO_VIDEOMATE_E800 25
76 #define CX23885_BOARD_HAUPPAUGE_HVR1290 26
77 #define CX23885_BOARD_MYGICA_X8558PRO 27
78 #define CX23885_BOARD_LEADTEK_WINFAST_PXTV1200 28
79 #define CX23885_BOARD_GOTVIEW_X5_3D_HYBRID 29
80 #define CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF 30
81 #define CX23885_BOARD_LEADTEK_WINFAST_PXDVR3200_H_XC4000 31
82 #define CX23885_BOARD_MPX885 32
83 #define CX23885_BOARD_MYGICA_X8507 33
84 #define CX23885_BOARD_TERRATEC_CINERGY_T_PCIE_DUAL 34
85 #define CX23885_BOARD_TEVII_S471 35
86 #define CX23885_BOARD_HAUPPAUGE_HVR1255_22111 36
87 #define CX23885_BOARD_PROF_8000 37
88 #define CX23885_BOARD_HAUPPAUGE_HVR4400 38
89 #define CX23885_BOARD_AVERMEDIA_HC81R 39
90 #define CX23885_BOARD_TBS_6981 40
91 #define CX23885_BOARD_TBS_6980 41
92 #define CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200 42
93 #define CX23885_BOARD_HAUPPAUGE_IMPACTVCBE 43
94 #define CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP2 44
95 #define CX23885_BOARD_DVBSKY_T9580 45
96 #define CX23885_BOARD_HAUPPAUGE_STARBURST 52
97
98 #define GPIO_0 0x00000001
99 #define GPIO_1 0x00000002
100 #define GPIO_2 0x00000004
101 #define GPIO_3 0x00000008
102 #define GPIO_4 0x00000010
103 #define GPIO_5 0x00000020
104 #define GPIO_6 0x00000040
105 #define GPIO_7 0x00000080
106 #define GPIO_8 0x00000100
107 #define GPIO_9 0x00000200
108 #define GPIO_10 0x00000400
109 #define GPIO_11 0x00000800
110 #define GPIO_12 0x00001000
111 #define GPIO_13 0x00002000
112 #define GPIO_14 0x00004000
113 #define GPIO_15 0x00008000
114
115 /* Currently unsupported by the driver: PAL/H, NTSC/Kr, SECAM B/G/H/LC */
116 #define CX23885_NORMS (\
117 V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 | \
118 V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_I | \
119 V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | \
120 V4L2_STD_PAL_60 | V4L2_STD_SECAM_L | V4L2_STD_SECAM_DK)
121
122 struct cx23885_fmt {
123 char *name;
124 u32 fourcc; /* v4l2 format id */
125 int depth;
126 int flags;
127 u32 cxformat;
128 };
129
130 struct cx23885_tvnorm {
131 char *name;
132 v4l2_std_id id;
133 u32 cxiformat;
134 u32 cxoformat;
135 };
136
137 enum cx23885_itype {
138 CX23885_VMUX_COMPOSITE1 = 1,
139 CX23885_VMUX_COMPOSITE2,
140 CX23885_VMUX_COMPOSITE3,
141 CX23885_VMUX_COMPOSITE4,
142 CX23885_VMUX_SVIDEO,
143 CX23885_VMUX_COMPONENT,
144 CX23885_VMUX_TELEVISION,
145 CX23885_VMUX_CABLE,
146 CX23885_VMUX_DVB,
147 CX23885_VMUX_DEBUG,
148 CX23885_RADIO,
149 };
150
151 enum cx23885_src_sel_type {
152 CX23885_SRC_SEL_EXT_656_VIDEO = 0,
153 CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
154 };
155
156 struct cx23885_riscmem {
157 unsigned int size;
158 __le32 *cpu;
159 __le32 *jmp;
160 dma_addr_t dma;
161 };
162
163 /* buffer for one video frame */
164 struct cx23885_buffer {
165 /* common v4l buffer stuff -- must be first */
166 struct vb2_buffer vb;
167 struct list_head queue;
168
169 /* cx23885 specific */
170 unsigned int bpl;
171 struct cx23885_riscmem risc;
172 struct cx23885_fmt *fmt;
173 u32 count;
174 };
175
176 struct cx23885_input {
177 enum cx23885_itype type;
178 unsigned int vmux;
179 unsigned int amux;
180 u32 gpio0, gpio1, gpio2, gpio3;
181 };
182
183 typedef enum {
184 CX23885_MPEG_UNDEFINED = 0,
185 CX23885_MPEG_DVB,
186 CX23885_ANALOG_VIDEO,
187 CX23885_MPEG_ENCODER,
188 } port_t;
189
190 struct cx23885_board {
191 char *name;
192 port_t porta, portb, portc;
193 int num_fds_portb, num_fds_portc;
194 unsigned int tuner_type;
195 unsigned int radio_type;
196 unsigned char tuner_addr;
197 unsigned char radio_addr;
198 unsigned int tuner_bus;
199
200 /* Vendors can and do run the PCIe bridge at different
201 * clock rates, driven physically by crystals on the PCBs.
202 * The core has to accommodate this. This allows the user
203 * to add new boards with new frequencys. The value is
204 * expressed in Hz.
205 *
206 * The core framework will default this value based on
207 * current designs, but it can vary.
208 */
209 u32 clk_freq;
210 struct cx23885_input input[MAX_CX23885_INPUT];
211 int ci_type; /* for NetUP */
212 /* Force bottom field first during DMA (888 workaround) */
213 u32 force_bff;
214 };
215
216 struct cx23885_subid {
217 u16 subvendor;
218 u16 subdevice;
219 u32 card;
220 };
221
222 struct cx23885_i2c {
223 struct cx23885_dev *dev;
224
225 int nr;
226
227 /* i2c i/o */
228 struct i2c_adapter i2c_adap;
229 struct i2c_client i2c_client;
230 u32 i2c_rc;
231
232 /* 885 registers used for raw addess */
233 u32 i2c_period;
234 u32 reg_ctrl;
235 u32 reg_stat;
236 u32 reg_addr;
237 u32 reg_rdata;
238 u32 reg_wdata;
239 };
240
241 struct cx23885_dmaqueue {
242 struct list_head active;
243 u32 count;
244 };
245
246 struct cx23885_tsport {
247 struct cx23885_dev *dev;
248
249 int nr;
250 int sram_chno;
251
252 struct vb2_dvb_frontends frontends;
253
254 /* dma queues */
255 struct cx23885_dmaqueue mpegq;
256 u32 ts_packet_size;
257 u32 ts_packet_count;
258
259 int width;
260 int height;
261
262 spinlock_t slock;
263
264 /* registers */
265 u32 reg_gpcnt;
266 u32 reg_gpcnt_ctl;
267 u32 reg_dma_ctl;
268 u32 reg_lngth;
269 u32 reg_hw_sop_ctrl;
270 u32 reg_gen_ctrl;
271 u32 reg_bd_pkt_status;
272 u32 reg_sop_status;
273 u32 reg_fifo_ovfl_stat;
274 u32 reg_vld_misc;
275 u32 reg_ts_clk_en;
276 u32 reg_ts_int_msk;
277 u32 reg_ts_int_stat;
278 u32 reg_src_sel;
279
280 /* Default register vals */
281 int pci_irqmask;
282 u32 dma_ctl_val;
283 u32 ts_int_msk_val;
284 u32 gen_ctrl_val;
285 u32 ts_clk_en_val;
286 u32 src_sel_val;
287 u32 vld_misc_val;
288 u32 hw_sop_ctrl_val;
289
290 /* Allow a single tsport to have multiple frontends */
291 u32 num_frontends;
292 void (*gate_ctrl)(struct cx23885_tsport *port, int open);
293 void *port_priv;
294
295 /* Workaround for a temp dvb_frontend that the tuner can attached to */
296 struct dvb_frontend analog_fe;
297
298 struct i2c_client *i2c_client_demod;
299 struct i2c_client *i2c_client_tuner;
300
301 int (*set_frontend)(struct dvb_frontend *fe);
302 int (*fe_set_voltage)(struct dvb_frontend *fe,
303 fe_sec_voltage_t voltage);
304 };
305
306 struct cx23885_kernel_ir {
307 struct cx23885_dev *cx;
308 char *name;
309 char *phys;
310
311 struct rc_dev *rc;
312 };
313
314 struct cx23885_audio_buffer {
315 unsigned int bpl;
316 struct cx23885_riscmem risc;
317 void *vaddr;
318 struct scatterlist *sglist;
319 int sglen;
320 int nr_pages;
321 };
322
323 struct cx23885_audio_dev {
324 struct cx23885_dev *dev;
325
326 struct pci_dev *pci;
327
328 struct snd_card *card;
329
330 spinlock_t lock;
331
332 atomic_t count;
333
334 unsigned int dma_size;
335 unsigned int period_size;
336 unsigned int num_periods;
337
338 struct cx23885_audio_buffer *buf;
339
340 struct snd_pcm_substream *substream;
341 };
342
343 struct cx23885_dev {
344 atomic_t refcount;
345 struct v4l2_device v4l2_dev;
346 struct v4l2_ctrl_handler ctrl_handler;
347
348 /* pci stuff */
349 struct pci_dev *pci;
350 unsigned char pci_rev, pci_lat;
351 int pci_bus, pci_slot;
352 u32 __iomem *lmmio;
353 u8 __iomem *bmmio;
354 int pci_irqmask;
355 spinlock_t pci_irqmask_lock; /* protects mask reg too */
356 int hwrevision;
357
358 /* This valud is board specific and is used to configure the
359 * AV core so we see nice clean and stable video and audio. */
360 u32 clk_freq;
361
362 /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
363 struct cx23885_i2c i2c_bus[3];
364
365 int nr;
366 struct mutex lock;
367 struct mutex gpio_lock;
368
369 /* board details */
370 unsigned int board;
371 char name[32];
372
373 struct cx23885_tsport ts1, ts2;
374
375 /* sram configuration */
376 struct sram_channel *sram_channels;
377
378 enum {
379 CX23885_BRIDGE_UNDEFINED = 0,
380 CX23885_BRIDGE_885 = 885,
381 CX23885_BRIDGE_887 = 887,
382 CX23885_BRIDGE_888 = 888,
383 } bridge;
384
385 /* Analog video */
386 unsigned int input;
387 unsigned int audinput; /* Selectable audio input */
388 u32 tvaudio;
389 v4l2_std_id tvnorm;
390 unsigned int tuner_type;
391 unsigned char tuner_addr;
392 unsigned int tuner_bus;
393 unsigned int radio_type;
394 unsigned char radio_addr;
395 struct v4l2_subdev *sd_cx25840;
396 struct work_struct cx25840_work;
397
398 /* Infrared */
399 struct v4l2_subdev *sd_ir;
400 struct work_struct ir_rx_work;
401 unsigned long ir_rx_notifications;
402 struct work_struct ir_tx_work;
403 unsigned long ir_tx_notifications;
404
405 struct cx23885_kernel_ir *kernel_ir;
406 atomic_t ir_input_stopping;
407
408 /* V4l */
409 u32 freq;
410 struct video_device *video_dev;
411 struct video_device *vbi_dev;
412
413 /* video capture */
414 struct cx23885_fmt *fmt;
415 unsigned int width, height;
416 unsigned field;
417
418 struct cx23885_dmaqueue vidq;
419 struct vb2_queue vb2_vidq;
420 struct cx23885_dmaqueue vbiq;
421 struct vb2_queue vb2_vbiq;
422
423 spinlock_t slock;
424
425 /* MPEG Encoder ONLY settings */
426 u32 cx23417_mailbox;
427 struct cx2341x_handler cxhdl;
428 struct video_device *v4l_device;
429 struct vb2_queue vb2_mpegq;
430 struct cx23885_tvnorm encodernorm;
431
432 /* Analog raw audio */
433 struct cx23885_audio_dev *audio_dev;
434
435 };
436
to_cx23885(struct v4l2_device * v4l2_dev)437 static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev)
438 {
439 return container_of(v4l2_dev, struct cx23885_dev, v4l2_dev);
440 }
441
442 #define call_all(dev, o, f, args...) \
443 v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
444
445 #define CX23885_HW_888_IR (1 << 0)
446 #define CX23885_HW_AV_CORE (1 << 1)
447
448 #define call_hw(dev, grpid, o, f, args...) \
449 v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args)
450
451 extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw);
452
453 #define SRAM_CH01 0 /* Video A */
454 #define SRAM_CH02 1 /* VBI A */
455 #define SRAM_CH03 2 /* Video B */
456 #define SRAM_CH04 3 /* Transport via B */
457 #define SRAM_CH05 4 /* VBI B */
458 #define SRAM_CH06 5 /* Video C */
459 #define SRAM_CH07 6 /* Transport via C */
460 #define SRAM_CH08 7 /* Audio Internal A */
461 #define SRAM_CH09 8 /* Audio Internal B */
462 #define SRAM_CH10 9 /* Audio External */
463 #define SRAM_CH11 10 /* COMB_3D_N */
464 #define SRAM_CH12 11 /* Comb 3D N1 */
465 #define SRAM_CH13 12 /* Comb 3D N2 */
466 #define SRAM_CH14 13 /* MOE Vid */
467 #define SRAM_CH15 14 /* MOE RSLT */
468
469 struct sram_channel {
470 char *name;
471 u32 cmds_start;
472 u32 ctrl_start;
473 u32 cdt;
474 u32 fifo_start;
475 u32 fifo_size;
476 u32 ptr1_reg;
477 u32 ptr2_reg;
478 u32 cnt1_reg;
479 u32 cnt2_reg;
480 u32 jumponly;
481 };
482
483 /* ----------------------------------------------------------- */
484
485 #define cx_read(reg) readl(dev->lmmio + ((reg)>>2))
486 #define cx_write(reg, value) writel((value), dev->lmmio + ((reg)>>2))
487
488 #define cx_andor(reg, mask, value) \
489 writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
490 ((value) & (mask)), dev->lmmio+((reg)>>2))
491
492 #define cx_set(reg, bit) cx_andor((reg), (bit), (bit))
493 #define cx_clear(reg, bit) cx_andor((reg), (bit), 0)
494
495 /* ----------------------------------------------------------- */
496 /* cx23885-core.c */
497
498 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
499 struct sram_channel *ch,
500 unsigned int bpl, u32 risc);
501
502 extern void cx23885_sram_channel_dump(struct cx23885_dev *dev,
503 struct sram_channel *ch);
504
505 extern int cx23885_risc_buffer(struct pci_dev *pci, struct cx23885_riscmem *risc,
506 struct scatterlist *sglist,
507 unsigned int top_offset, unsigned int bottom_offset,
508 unsigned int bpl, unsigned int padding, unsigned int lines);
509
510 extern int cx23885_risc_vbibuffer(struct pci_dev *pci,
511 struct cx23885_riscmem *risc, struct scatterlist *sglist,
512 unsigned int top_offset, unsigned int bottom_offset,
513 unsigned int bpl, unsigned int padding, unsigned int lines);
514
515 int cx23885_start_dma(struct cx23885_tsport *port,
516 struct cx23885_dmaqueue *q,
517 struct cx23885_buffer *buf);
518 void cx23885_cancel_buffers(struct cx23885_tsport *port);
519
520
521 extern void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask);
522 extern void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask);
523 extern u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask);
524 extern void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask,
525 int asoutput);
526
527 extern void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask);
528 extern void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask);
529 extern void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask);
530 extern void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask);
531
532 /* ----------------------------------------------------------- */
533 /* cx23885-cards.c */
534 extern struct cx23885_board cx23885_boards[];
535 extern const unsigned int cx23885_bcount;
536
537 extern struct cx23885_subid cx23885_subids[];
538 extern const unsigned int cx23885_idcount;
539
540 extern int cx23885_tuner_callback(void *priv, int component,
541 int command, int arg);
542 extern void cx23885_card_list(struct cx23885_dev *dev);
543 extern int cx23885_ir_init(struct cx23885_dev *dev);
544 extern void cx23885_ir_pci_int_enable(struct cx23885_dev *dev);
545 extern void cx23885_ir_fini(struct cx23885_dev *dev);
546 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
547 extern void cx23885_card_setup(struct cx23885_dev *dev);
548 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
549
550 extern int cx23885_dvb_register(struct cx23885_tsport *port);
551 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
552
553 extern int cx23885_buf_prepare(struct cx23885_buffer *buf,
554 struct cx23885_tsport *port);
555 extern void cx23885_buf_queue(struct cx23885_tsport *port,
556 struct cx23885_buffer *buf);
557 extern void cx23885_free_buffer(struct cx23885_dev *dev,
558 struct cx23885_buffer *buf);
559
560 /* ----------------------------------------------------------- */
561 /* cx23885-video.c */
562 /* Video */
563 extern int cx23885_video_register(struct cx23885_dev *dev);
564 extern void cx23885_video_unregister(struct cx23885_dev *dev);
565 extern int cx23885_video_irq(struct cx23885_dev *dev, u32 status);
566 extern void cx23885_video_wakeup(struct cx23885_dev *dev,
567 struct cx23885_dmaqueue *q, u32 count);
568 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i);
569 int cx23885_set_input(struct file *file, void *priv, unsigned int i);
570 int cx23885_get_input(struct file *file, void *priv, unsigned int *i);
571 int cx23885_set_frequency(struct file *file, void *priv, const struct v4l2_frequency *f);
572 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
573
574 /* ----------------------------------------------------------- */
575 /* cx23885-vbi.c */
576 extern int cx23885_vbi_fmt(struct file *file, void *priv,
577 struct v4l2_format *f);
578 extern void cx23885_vbi_timeout(unsigned long data);
579 extern struct vb2_ops cx23885_vbi_qops;
580 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
581
582 /* cx23885-i2c.c */
583 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
584 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
585 extern void cx23885_av_clk(struct cx23885_dev *dev, int enable);
586
587 /* ----------------------------------------------------------- */
588 /* cx23885-417.c */
589 extern int cx23885_417_register(struct cx23885_dev *dev);
590 extern void cx23885_417_unregister(struct cx23885_dev *dev);
591 extern int cx23885_irq_417(struct cx23885_dev *dev, u32 status);
592 extern void cx23885_417_check_encoder(struct cx23885_dev *dev);
593 extern void cx23885_mc417_init(struct cx23885_dev *dev);
594 extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value);
595 extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value);
596 extern int mc417_register_read(struct cx23885_dev *dev,
597 u16 address, u32 *value);
598 extern int mc417_register_write(struct cx23885_dev *dev,
599 u16 address, u32 value);
600 extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask);
601 extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask);
602 extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput);
603
604 /* ----------------------------------------------------------- */
605 /* cx23885-alsa.c */
606 extern struct cx23885_audio_dev *cx23885_audio_register(
607 struct cx23885_dev *dev);
608 extern void cx23885_audio_unregister(struct cx23885_dev *dev);
609 extern int cx23885_audio_irq(struct cx23885_dev *dev, u32 status, u32 mask);
610 extern int cx23885_risc_databuffer(struct pci_dev *pci,
611 struct cx23885_riscmem *risc,
612 struct scatterlist *sglist,
613 unsigned int bpl,
614 unsigned int lines,
615 unsigned int lpi);
616
617 /* ----------------------------------------------------------- */
618 /* tv norms */
619
norm_maxw(v4l2_std_id norm)620 static inline unsigned int norm_maxw(v4l2_std_id norm)
621 {
622 return (norm & V4L2_STD_525_60) ? 720 : 768;
623 }
624
norm_maxh(v4l2_std_id norm)625 static inline unsigned int norm_maxh(v4l2_std_id norm)
626 {
627 return (norm & V4L2_STD_525_60) ? 480 : 576;
628 }
629