1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Driver for the NXP SAA7164 PCIe bridge |
4 | * |
5 | * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com> |
6 | */ |
7 | |
8 | /* |
9 | Driver architecture |
10 | ******************* |
11 | |
12 | saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c |
13 | | : Standard Linux driver framework for creating |
14 | | : exposing and managing interfaces to the rest |
15 | | : of the kernel or userland. Also uses _fw.c to load |
16 | | : firmware direct into the PCIe bus, bypassing layers. |
17 | V |
18 | saa7164_api..() : Translate kernel specific functions/features |
19 | | : into command buffers. |
20 | V |
21 | saa7164_cmd..() : Manages the flow of command packets on/off, |
22 | | : the bus. Deal with bus errors, timeouts etc. |
23 | V |
24 | saa7164_bus..() : Manage a read/write memory ring buffer in the |
25 | | : PCIe Address space. |
26 | | |
27 | | saa7164_fw...() : Load any firmware |
28 | | | : direct into the device |
29 | V V |
30 | <- ----------------- PCIe address space -------------------- -> |
31 | */ |
32 | |
33 | #include <linux/pci.h> |
34 | #include <linux/i2c.h> |
35 | #include <linux/kdev_t.h> |
36 | #include <linux/mutex.h> |
37 | #include <linux/crc32.h> |
38 | #include <linux/kthread.h> |
39 | #include <linux/freezer.h> |
40 | |
41 | #include <media/tuner.h> |
42 | #include <media/tveeprom.h> |
43 | #include <media/dvb_demux.h> |
44 | #include <media/dvb_frontend.h> |
45 | #include <media/dvb_net.h> |
46 | #include <media/dvbdev.h> |
47 | #include <media/dmxdev.h> |
48 | #include <media/v4l2-common.h> |
49 | #include <media/v4l2-ioctl.h> |
50 | #include <media/v4l2-device.h> |
51 | #include <media/v4l2-ctrls.h> |
52 | #include <media/v4l2-event.h> |
53 | |
54 | #include "saa7164-reg.h" |
55 | #include "saa7164-types.h" |
56 | |
57 | #define SAA7164_MAXBOARDS 8 |
58 | |
59 | #define UNSET (-1U) |
60 | #define SAA7164_BOARD_NOAUTO UNSET |
61 | #define SAA7164_BOARD_UNKNOWN 0 |
62 | #define SAA7164_BOARD_UNKNOWN_REV2 1 |
63 | #define SAA7164_BOARD_UNKNOWN_REV3 2 |
64 | #define SAA7164_BOARD_HAUPPAUGE_HVR2250 3 |
65 | #define SAA7164_BOARD_HAUPPAUGE_HVR2200 4 |
66 | #define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5 |
67 | #define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6 |
68 | #define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7 |
69 | #define SAA7164_BOARD_HAUPPAUGE_HVR2250_3 8 |
70 | #define SAA7164_BOARD_HAUPPAUGE_HVR2200_4 9 |
71 | #define SAA7164_BOARD_HAUPPAUGE_HVR2200_5 10 |
72 | #define SAA7164_BOARD_HAUPPAUGE_HVR2255proto 11 |
73 | #define SAA7164_BOARD_HAUPPAUGE_HVR2255 12 |
74 | #define SAA7164_BOARD_HAUPPAUGE_HVR2205 13 |
75 | |
76 | #define SAA7164_MAX_UNITS 8 |
77 | #define SAA7164_TS_NUMBER_OF_LINES 312 |
78 | #define SAA7164_PS_NUMBER_OF_LINES 256 |
79 | #define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */ |
80 | #define SAA7164_MAX_ENCODER_BUFFERS 64 /* max 5secs of latency at 6Mbps */ |
81 | #define SAA7164_MAX_VBI_BUFFERS 64 |
82 | |
83 | /* Port related defines */ |
84 | #define SAA7164_PORT_TS1 (0) |
85 | #define SAA7164_PORT_TS2 (SAA7164_PORT_TS1 + 1) |
86 | #define SAA7164_PORT_ENC1 (SAA7164_PORT_TS2 + 1) |
87 | #define SAA7164_PORT_ENC2 (SAA7164_PORT_ENC1 + 1) |
88 | #define SAA7164_PORT_VBI1 (SAA7164_PORT_ENC2 + 1) |
89 | #define SAA7164_PORT_VBI2 (SAA7164_PORT_VBI1 + 1) |
90 | #define SAA7164_MAX_PORTS (SAA7164_PORT_VBI2 + 1) |
91 | |
92 | #define DBGLVL_FW 4 |
93 | #define DBGLVL_DVB 8 |
94 | #define DBGLVL_I2C 16 |
95 | #define DBGLVL_API 32 |
96 | #define DBGLVL_CMD 64 |
97 | #define DBGLVL_BUS 128 |
98 | #define DBGLVL_IRQ 256 |
99 | #define DBGLVL_BUF 512 |
100 | #define DBGLVL_ENC 1024 |
101 | #define DBGLVL_VBI 2048 |
102 | #define DBGLVL_THR 4096 |
103 | #define DBGLVL_CPU 8192 |
104 | |
105 | #define SAA7164_NORMS \ |
106 | (V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP) |
107 | |
108 | /* TV frequency range copied from tuner-core.c */ |
109 | #define SAA7164_TV_MIN_FREQ (44U * 16U) |
110 | #define SAA7164_TV_MAX_FREQ (958U * 16U) |
111 | |
112 | enum port_t { |
113 | SAA7164_MPEG_UNDEFINED = 0, |
114 | SAA7164_MPEG_DVB, |
115 | SAA7164_MPEG_ENCODER, |
116 | SAA7164_MPEG_VBI, |
117 | }; |
118 | |
119 | enum saa7164_i2c_bus_nr { |
120 | SAA7164_I2C_BUS_0 = 0, |
121 | SAA7164_I2C_BUS_1, |
122 | SAA7164_I2C_BUS_2, |
123 | }; |
124 | |
125 | enum saa7164_buffer_flags { |
126 | SAA7164_BUFFER_UNDEFINED = 0, |
127 | SAA7164_BUFFER_FREE, |
128 | SAA7164_BUFFER_BUSY, |
129 | SAA7164_BUFFER_FULL |
130 | }; |
131 | |
132 | enum saa7164_unit_type { |
133 | SAA7164_UNIT_UNDEFINED = 0, |
134 | SAA7164_UNIT_DIGITAL_DEMODULATOR, |
135 | SAA7164_UNIT_ANALOG_DEMODULATOR, |
136 | SAA7164_UNIT_TUNER, |
137 | SAA7164_UNIT_EEPROM, |
138 | SAA7164_UNIT_ZILOG_IRBLASTER, |
139 | SAA7164_UNIT_ENCODER, |
140 | }; |
141 | |
142 | /* The PCIe bridge doesn't grant direct access to i2c. |
143 | * Instead, you address i2c devices using a uniqely |
144 | * allocated 'unitid' value via a messaging API. This |
145 | * is a problem. The kernel and existing demod/tuner |
146 | * drivers expect to talk 'i2c', so we have to maintain |
147 | * a translation layer, and a series of functions to |
148 | * convert i2c bus + device address into a unit id. |
149 | */ |
150 | struct saa7164_unit { |
151 | enum saa7164_unit_type type; |
152 | u8 id; |
153 | char *name; |
154 | enum saa7164_i2c_bus_nr i2c_bus_nr; |
155 | u8 i2c_bus_addr; |
156 | u8 i2c_reg_len; |
157 | }; |
158 | |
159 | struct saa7164_board { |
160 | char *name; |
161 | enum port_t porta, portb, portc, |
162 | portd, porte, portf; |
163 | enum { |
164 | SAA7164_CHIP_UNDEFINED = 0, |
165 | SAA7164_CHIP_REV2, |
166 | SAA7164_CHIP_REV3, |
167 | } chiprev; |
168 | struct saa7164_unit unit[SAA7164_MAX_UNITS]; |
169 | }; |
170 | |
171 | struct saa7164_subid { |
172 | u16 subvendor; |
173 | u16 subdevice; |
174 | u32 card; |
175 | }; |
176 | |
177 | struct saa7164_encoder_fh { |
178 | struct v4l2_fh fh; |
179 | struct saa7164_port *port; |
180 | atomic_t v4l_reading; |
181 | }; |
182 | |
183 | struct saa7164_vbi_fh { |
184 | struct v4l2_fh fh; |
185 | struct saa7164_port *port; |
186 | atomic_t v4l_reading; |
187 | }; |
188 | |
189 | struct saa7164_histogram_bucket { |
190 | u32 val; |
191 | u32 count; |
192 | u64 update_time; |
193 | }; |
194 | |
195 | struct saa7164_histogram { |
196 | char name[32]; |
197 | struct saa7164_histogram_bucket counter1[64]; |
198 | }; |
199 | |
200 | struct saa7164_user_buffer { |
201 | struct list_head list; |
202 | |
203 | /* Attributes */ |
204 | u8 *data; |
205 | u32 pos; |
206 | u32 actual_size; |
207 | |
208 | u32 crc; |
209 | }; |
210 | |
211 | struct saa7164_fw_status { |
212 | |
213 | /* RISC Core details */ |
214 | u32 status; |
215 | u32 mode; |
216 | u32 spec; |
217 | u32 inst; |
218 | u32 cpuload; |
219 | u32 remainheap; |
220 | |
221 | /* Firmware version */ |
222 | u32 version; |
223 | u32 major; |
224 | u32 sub; |
225 | u32 rel; |
226 | u32 buildnr; |
227 | }; |
228 | |
229 | struct saa7164_dvb { |
230 | struct mutex lock; |
231 | struct dvb_adapter adapter; |
232 | struct dvb_frontend *frontend; |
233 | struct dvb_demux demux; |
234 | struct dmxdev dmxdev; |
235 | struct dmx_frontend fe_hw; |
236 | struct dmx_frontend fe_mem; |
237 | struct dvb_net net; |
238 | int feeding; |
239 | }; |
240 | |
241 | struct saa7164_i2c { |
242 | struct saa7164_dev *dev; |
243 | |
244 | enum saa7164_i2c_bus_nr nr; |
245 | |
246 | /* I2C I/O */ |
247 | struct i2c_adapter i2c_adap; |
248 | struct i2c_client i2c_client; |
249 | u32 i2c_rc; |
250 | }; |
251 | |
252 | struct saa7164_tvnorm { |
253 | char *name; |
254 | v4l2_std_id id; |
255 | }; |
256 | |
257 | struct saa7164_encoder_params { |
258 | struct saa7164_tvnorm encodernorm; |
259 | u32 height; |
260 | u32 width; |
261 | u32 is_50hz; |
262 | u32 bitrate; /* bps */ |
263 | u32 bitrate_peak; /* bps */ |
264 | u32 bitrate_mode; |
265 | u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */ |
266 | |
267 | u32 audio_sampling_freq; |
268 | u32 ctl_mute; |
269 | u32 ctl_aspect; |
270 | u32 refdist; |
271 | u32 gop_size; |
272 | }; |
273 | |
274 | struct saa7164_vbi_params { |
275 | struct saa7164_tvnorm encodernorm; |
276 | u32 height; |
277 | u32 width; |
278 | u32 is_50hz; |
279 | u32 bitrate; /* bps */ |
280 | u32 bitrate_peak; /* bps */ |
281 | u32 bitrate_mode; |
282 | u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */ |
283 | |
284 | u32 audio_sampling_freq; |
285 | u32 ctl_mute; |
286 | u32 ctl_aspect; |
287 | u32 refdist; |
288 | u32 gop_size; |
289 | }; |
290 | |
291 | struct saa7164_port; |
292 | |
293 | struct saa7164_buffer { |
294 | struct list_head list; |
295 | |
296 | /* Note of which h/w buffer list index position we occupy */ |
297 | int idx; |
298 | |
299 | struct saa7164_port *port; |
300 | |
301 | /* Hardware Specific */ |
302 | /* PCI Memory allocations */ |
303 | enum saa7164_buffer_flags flags; /* Free, Busy, Full */ |
304 | |
305 | /* A block of page align PCI memory */ |
306 | u32 pci_size; /* PCI allocation size in bytes */ |
307 | u64 *cpu; /* Virtual address */ |
308 | dma_addr_t dma; /* Physical address */ |
309 | u32 crc; /* Checksum for the entire buffer data */ |
310 | |
311 | /* A page table that splits the block into a number of entries */ |
312 | u32 pt_size; /* PCI allocation size in bytes */ |
313 | u64 *pt_cpu; /* Virtual address */ |
314 | dma_addr_t pt_dma; /* Physical address */ |
315 | |
316 | /* Encoder fops */ |
317 | u32 pos; |
318 | u32 actual_size; |
319 | }; |
320 | |
321 | struct saa7164_port { |
322 | |
323 | struct saa7164_dev *dev; |
324 | enum port_t type; |
325 | int nr; |
326 | |
327 | /* --- Generic port attributes --- */ |
328 | |
329 | /* HW stream parameters */ |
330 | struct tmHWStreamParameters hw_streamingparams; |
331 | |
332 | /* DMA configuration values, is seeded during initialization */ |
333 | struct tmComResDMATermDescrHeader hwcfg; |
334 | |
335 | /* hardware specific registers */ |
336 | u32 bufcounter; |
337 | u32 pitch; |
338 | u32 bufsize; |
339 | u32 bufoffset; |
340 | u32 bufptr32l; |
341 | u32 bufptr32h; |
342 | u64 bufptr64; |
343 | |
344 | u32 numpte; /* Number of entries in array, only valid in head */ |
345 | |
346 | struct mutex dmaqueue_lock; |
347 | struct saa7164_buffer dmaqueue; |
348 | |
349 | u64 last_irq_msecs, last_svc_msecs; |
350 | u64 last_irq_msecs_diff, last_svc_msecs_diff; |
351 | u32 last_svc_wp; |
352 | u32 last_svc_rp; |
353 | u64 last_irq_svc_msecs_diff; |
354 | u64 last_read_msecs, last_read_msecs_diff; |
355 | u64 last_poll_msecs, last_poll_msecs_diff; |
356 | |
357 | struct saa7164_histogram irq_interval; |
358 | struct saa7164_histogram svc_interval; |
359 | struct saa7164_histogram irq_svc_interval; |
360 | struct saa7164_histogram read_interval; |
361 | struct saa7164_histogram poll_interval; |
362 | |
363 | /* --- DVB Transport Specific --- */ |
364 | struct saa7164_dvb dvb; |
365 | struct i2c_client *i2c_client_demod; |
366 | struct i2c_client *i2c_client_tuner; |
367 | |
368 | /* --- Encoder/V4L related attributes --- */ |
369 | /* Encoder */ |
370 | /* Defaults established in saa7164-encoder.c */ |
371 | struct saa7164_tvnorm encodernorm; |
372 | struct v4l2_ctrl_handler ctrl_handler; |
373 | v4l2_std_id std; |
374 | u32 height; |
375 | u32 width; |
376 | u32 freq; |
377 | u8 mux_input; |
378 | u8 encoder_profile; |
379 | u8 video_format; |
380 | u8 audio_format; |
381 | u8 video_resolution; |
382 | u16 ctl_brightness; |
383 | u16 ctl_contrast; |
384 | u16 ctl_hue; |
385 | u16 ctl_saturation; |
386 | u16 ctl_sharpness; |
387 | s8 ctl_volume; |
388 | |
389 | struct tmComResAFeatureDescrHeader audfeat; |
390 | struct tmComResEncoderDescrHeader encunit; |
391 | struct tmComResProcDescrHeader vidproc; |
392 | struct tmComResExtDevDescrHeader ifunit; |
393 | struct tmComResTunerDescrHeader tunerunit; |
394 | |
395 | struct work_struct workenc; |
396 | |
397 | /* V4L Encoder Video */ |
398 | struct saa7164_encoder_params encoder_params; |
399 | struct video_device *v4l_device; |
400 | atomic_t v4l_reader_count; |
401 | |
402 | struct saa7164_buffer list_buf_used; |
403 | struct saa7164_buffer list_buf_free; |
404 | wait_queue_head_t wait_read; |
405 | |
406 | /* V4L VBI */ |
407 | struct tmComResVBIFormatDescrHeader vbi_fmt_ntsc; |
408 | struct saa7164_vbi_params vbi_params; |
409 | struct saa7164_port *enc_port; |
410 | |
411 | /* Debug */ |
412 | u32 sync_errors; |
413 | u32 v_cc_errors; |
414 | u32 a_cc_errors; |
415 | u8 last_v_cc; |
416 | u8 last_a_cc; |
417 | u32 done_first_interrupt; |
418 | }; |
419 | |
420 | struct saa7164_dev { |
421 | struct list_head devlist; |
422 | atomic_t refcount; |
423 | |
424 | struct v4l2_device v4l2_dev; |
425 | |
426 | /* pci stuff */ |
427 | struct pci_dev *pci; |
428 | unsigned char pci_rev, pci_lat; |
429 | int pci_bus, pci_slot; |
430 | u32 __iomem *lmmio; |
431 | u8 __iomem *bmmio; |
432 | u32 __iomem *lmmio2; |
433 | u8 __iomem *bmmio2; |
434 | int pci_irqmask; |
435 | |
436 | /* board details */ |
437 | int nr; |
438 | int hwrevision; |
439 | u32 board; |
440 | char name[16]; |
441 | |
442 | /* firmware status */ |
443 | struct saa7164_fw_status fw_status; |
444 | u32 firmwareloaded; |
445 | |
446 | struct tmComResHWDescr hwdesc; |
447 | struct tmComResInterfaceDescr intfdesc; |
448 | struct tmComResBusDescr busdesc; |
449 | |
450 | struct tmComResBusInfo bus; |
451 | |
452 | /* Interrupt status and ack registers */ |
453 | u32 int_status; |
454 | u32 int_ack; |
455 | bool msi; |
456 | |
457 | struct cmd cmds[SAA_CMD_MAX_MSG_UNITS]; |
458 | struct mutex lock; |
459 | |
460 | /* I2c related */ |
461 | struct saa7164_i2c i2c_bus[3]; |
462 | |
463 | /* Transport related */ |
464 | struct saa7164_port ports[SAA7164_MAX_PORTS]; |
465 | |
466 | /* Deferred command/api interrupts handling */ |
467 | struct work_struct workcmd; |
468 | |
469 | /* A kernel thread to monitor the firmware log, used |
470 | * only in debug mode. |
471 | */ |
472 | struct task_struct *kthread; |
473 | |
474 | }; |
475 | |
476 | extern struct list_head saa7164_devlist; |
477 | extern unsigned int waitsecs; |
478 | extern unsigned int encoder_buffers; |
479 | extern unsigned int vbi_buffers; |
480 | |
481 | /* ----------------------------------------------------------- */ |
482 | /* saa7164-core.c */ |
483 | void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr); |
484 | void saa7164_getfirmwarestatus(struct saa7164_dev *dev); |
485 | u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev); |
486 | void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val); |
487 | |
488 | /* ----------------------------------------------------------- */ |
489 | /* saa7164-fw.c */ |
490 | int saa7164_downloadfirmware(struct saa7164_dev *dev); |
491 | |
492 | /* ----------------------------------------------------------- */ |
493 | /* saa7164-i2c.c */ |
494 | extern int saa7164_i2c_register(struct saa7164_i2c *bus); |
495 | extern int saa7164_i2c_unregister(struct saa7164_i2c *bus); |
496 | |
497 | /* ----------------------------------------------------------- */ |
498 | /* saa7164-bus.c */ |
499 | int saa7164_bus_setup(struct saa7164_dev *dev); |
500 | void saa7164_bus_dump(struct saa7164_dev *dev); |
501 | int saa7164_bus_set(struct saa7164_dev *dev, struct tmComResInfo* msg, |
502 | void *buf); |
503 | int saa7164_bus_get(struct saa7164_dev *dev, struct tmComResInfo* msg, |
504 | void *buf, int peekonly); |
505 | |
506 | /* ----------------------------------------------------------- */ |
507 | /* saa7164-cmd.c */ |
508 | int saa7164_cmd_send(struct saa7164_dev *dev, |
509 | u8 id, enum tmComResCmd command, u16 controlselector, |
510 | u16 size, void *buf); |
511 | void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno); |
512 | int saa7164_irq_dequeue(struct saa7164_dev *dev); |
513 | |
514 | /* ----------------------------------------------------------- */ |
515 | /* saa7164-api.c */ |
516 | int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version); |
517 | int saa7164_api_enum_subdevs(struct saa7164_dev *dev); |
518 | int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, |
519 | u32 datalen, u8 *data); |
520 | int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, |
521 | u32 datalen, u8 *data); |
522 | int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr, |
523 | u32 datalen, u8 *data); |
524 | int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen); |
525 | int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin); |
526 | int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin); |
527 | int saa7164_api_transition_port(struct saa7164_port *port, u8 mode); |
528 | int saa7164_api_initialize_dif(struct saa7164_port *port); |
529 | int saa7164_api_configure_dif(struct saa7164_port *port, u32 std); |
530 | int saa7164_api_set_encoder(struct saa7164_port *port); |
531 | int saa7164_api_get_encoder(struct saa7164_port *port); |
532 | int saa7164_api_set_aspect_ratio(struct saa7164_port *port); |
533 | int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl); |
534 | int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl); |
535 | int saa7164_api_set_videomux(struct saa7164_port *port); |
536 | int saa7164_api_audio_mute(struct saa7164_port *port, int mute); |
537 | int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level); |
538 | int saa7164_api_set_audio_std(struct saa7164_port *port); |
539 | int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect); |
540 | int saa7164_api_get_videomux(struct saa7164_port *port); |
541 | int saa7164_api_set_vbi_format(struct saa7164_port *port); |
542 | int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level); |
543 | int saa7164_api_collect_debug(struct saa7164_dev *dev); |
544 | int saa7164_api_get_load_info(struct saa7164_dev *dev, |
545 | struct tmFwInfoStruct *i); |
546 | |
547 | /* ----------------------------------------------------------- */ |
548 | /* saa7164-cards.c */ |
549 | extern struct saa7164_board saa7164_boards[]; |
550 | extern const unsigned int saa7164_bcount; |
551 | |
552 | extern struct saa7164_subid saa7164_subids[]; |
553 | extern const unsigned int saa7164_idcount; |
554 | |
555 | extern void saa7164_card_list(struct saa7164_dev *dev); |
556 | extern void saa7164_gpio_setup(struct saa7164_dev *dev); |
557 | extern void saa7164_card_setup(struct saa7164_dev *dev); |
558 | |
559 | extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr); |
560 | extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr); |
561 | extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid); |
562 | |
563 | /* ----------------------------------------------------------- */ |
564 | /* saa7164-dvb.c */ |
565 | extern int saa7164_dvb_register(struct saa7164_port *port); |
566 | extern int saa7164_dvb_unregister(struct saa7164_port *port); |
567 | |
568 | /* ----------------------------------------------------------- */ |
569 | /* saa7164-buffer.c */ |
570 | extern struct saa7164_buffer *saa7164_buffer_alloc( |
571 | struct saa7164_port *port, u32 len); |
572 | extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf); |
573 | extern void saa7164_buffer_display(struct saa7164_buffer *buf); |
574 | extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i); |
575 | extern int saa7164_buffer_cfg_port(struct saa7164_port *port); |
576 | extern struct saa7164_user_buffer *saa7164_buffer_alloc_user( |
577 | struct saa7164_dev *dev, u32 len); |
578 | extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf); |
579 | extern int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i); |
580 | |
581 | /* ----------------------------------------------------------- */ |
582 | /* saa7164-encoder.c */ |
583 | int saa7164_s_std(struct saa7164_port *port, v4l2_std_id id); |
584 | int saa7164_g_std(struct saa7164_port *port, v4l2_std_id *id); |
585 | int saa7164_enum_input(struct file *file, void *priv, struct v4l2_input *i); |
586 | int saa7164_g_input(struct saa7164_port *port, unsigned int *i); |
587 | int saa7164_s_input(struct saa7164_port *port, unsigned int i); |
588 | int saa7164_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t); |
589 | int saa7164_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t); |
590 | int saa7164_g_frequency(struct saa7164_port *port, struct v4l2_frequency *f); |
591 | int saa7164_s_frequency(struct saa7164_port *port, |
592 | const struct v4l2_frequency *f); |
593 | int saa7164_encoder_register(struct saa7164_port *port); |
594 | void saa7164_encoder_unregister(struct saa7164_port *port); |
595 | |
596 | /* ----------------------------------------------------------- */ |
597 | /* saa7164-vbi.c */ |
598 | int saa7164_vbi_register(struct saa7164_port *port); |
599 | void saa7164_vbi_unregister(struct saa7164_port *port); |
600 | |
601 | /* ----------------------------------------------------------- */ |
602 | |
603 | extern unsigned int crc_checking; |
604 | |
605 | extern unsigned int saa_debug; |
606 | #define dprintk(level, fmt, arg...)\ |
607 | do { if (saa_debug & level)\ |
608 | printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ |
609 | } while (0) |
610 | |
611 | #define log_warn(fmt, arg...)\ |
612 | do { \ |
613 | printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\ |
614 | } while (0) |
615 | |
616 | #define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2)) |
617 | #define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2)) |
618 | |
619 | #define saa7164_readb(reg) readl(dev->bmmio + (reg)) |
620 | #define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg)) |
621 | |
622 | |