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[media] saa7164: convert to the control framework
[mirror_ubuntu-artful-kernel.git] / drivers / media / pci / saa7164 / saa7164.h
CommitLineData
443c1228
ST		 1/*
2 * Driver for the NXP SAA7164 PCIe bridge
3 *
63a412ec 4 * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
443c1228
ST		 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 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22/*
23 Driver architecture
24 *******************
25
26 saa7164_core.c/buffer.c/cards.c/i2c.c/dvb.c
27 | : Standard Linux driver framework for creating
28 | : exposing and managing interfaces to the rest
29 | : of the kernel or userland. Also uses _fw.c to load
30 | : firmware direct into the PCIe bus, bypassing layers.
31 V
32 saa7164_api..() : Translate kernel specific functions/features
33 | : into command buffers.
34 V
35 saa7164_cmd..() : Manages the flow of command packets on/off,
36 | : the bus. Deal with bus errors, timeouts etc.
37 V
38 saa7164_bus..() : Manage a read/write memory ring buffer in the
39 | : PCIe Address space.
40 |
41 | saa7164_fw...() : Load any frimware
42 | | : direct into the device
43 V V
44 <- ----------------- PCIe address space -------------------- ->
45*/
46
47#include <linux/pci.h>
48#include <linux/i2c.h>
443c1228 49#include <linux/kdev_t.h>
7615e434 50#include <linux/mutex.h>
12d3203e 51#include <linux/crc32.h>
0b62ceb0
ST		 52#include <linux/kthread.h>
53#include <linux/freezer.h>
443c1228
ST		 54
55#include <media/tuner.h>
56#include <media/tveeprom.h>
57#include <media/videobuf-dma-sg.h>
58#include <media/videobuf-dvb.h>
7615e434
ST		 59#include <dvb_demux.h>
60#include <dvb_frontend.h>
61#include <dvb_net.h>
62#include <dvbdev.h>
63#include <dmxdev.h>
64#include <media/v4l2-common.h>
65#include <media/v4l2-ioctl.h>
d66de790 66#include <media/v4l2-device.h>
1a708ea0 67#include <media/v4l2-ctrls.h>
443c1228
ST		 68
69#include "saa7164-reg.h"
70#include "saa7164-types.h"
71
443c1228
ST		 72#define SAA7164_MAXBOARDS 8
73
74#define UNSET (-1U)
75#define SAA7164_BOARD_NOAUTO UNSET
76#define SAA7164_BOARD_UNKNOWN 0
77#define SAA7164_BOARD_UNKNOWN_REV2 1
78#define SAA7164_BOARD_UNKNOWN_REV3 2
79#define SAA7164_BOARD_HAUPPAUGE_HVR2250 3
80#define SAA7164_BOARD_HAUPPAUGE_HVR2200 4
81#define SAA7164_BOARD_HAUPPAUGE_HVR2200_2 5
82#define SAA7164_BOARD_HAUPPAUGE_HVR2200_3 6
83#define SAA7164_BOARD_HAUPPAUGE_HVR2250_2 7
e3335222 84#define SAA7164_BOARD_HAUPPAUGE_HVR2250_3 8
62dd28d0 85#define SAA7164_BOARD_HAUPPAUGE_HVR2200_4 9
de2fb698 86#define SAA7164_BOARD_HAUPPAUGE_HVR2200_5 10
504b29cb
ST		 87#define SAA7164_BOARD_HAUPPAUGE_HVR2255proto 11
88#define SAA7164_BOARD_HAUPPAUGE_HVR2255 12
89#define SAA7164_BOARD_HAUPPAUGE_HVR2205 13
443c1228
ST		 90
91#define SAA7164_MAX_UNITS 8
92#define SAA7164_TS_NUMBER_OF_LINES 312
a97781ac 93#define SAA7164_PS_NUMBER_OF_LINES 256
443c1228 94#define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */
66e1d378 95#define SAA7164_MAX_ENCODER_BUFFERS 64 /* max 5secs of latency at 6Mbps */
e8ce2f21 96#define SAA7164_MAX_VBI_BUFFERS 64
7615e434
ST		 97
98/* Port related defines */
99#define SAA7164_PORT_TS1 (0)
100#define SAA7164_PORT_TS2 (SAA7164_PORT_TS1 + 1)
101#define SAA7164_PORT_ENC1 (SAA7164_PORT_TS2 + 1)
102#define SAA7164_PORT_ENC2 (SAA7164_PORT_ENC1 + 1)
e8ce2f21
ST		 103#define SAA7164_PORT_VBI1 (SAA7164_PORT_ENC2 + 1)
104#define SAA7164_PORT_VBI2 (SAA7164_PORT_VBI1 + 1)
105#define SAA7164_MAX_PORTS (SAA7164_PORT_VBI2 + 1)
443c1228
ST		 106
107#define DBGLVL_FW 4
108#define DBGLVL_DVB 8
109#define DBGLVL_I2C 16
110#define DBGLVL_API 32
111#define DBGLVL_CMD 64
112#define DBGLVL_BUS 128
113#define DBGLVL_IRQ 256
114#define DBGLVL_BUF 512
9b8b0199 115#define DBGLVL_ENC 1024
e8ce2f21 116#define DBGLVL_VBI 2048
0b62ceb0 117#define DBGLVL_THR 4096
1247ff5c 118#define DBGLVL_CPU 8192
443c1228 119
bc250684
ST		 120#define SAA7164_NORMS \
121 (V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443)
7615e434 122
443c1228
ST		 123enum port_t {
124 SAA7164_MPEG_UNDEFINED = 0,
125 SAA7164_MPEG_DVB,
add3f580 126 SAA7164_MPEG_ENCODER,
e8ce2f21 127 SAA7164_MPEG_VBI,
443c1228
ST		 128};
129
130enum saa7164_i2c_bus_nr {
131 SAA7164_I2C_BUS_0 = 0,
132 SAA7164_I2C_BUS_1,
133 SAA7164_I2C_BUS_2,
134};
135
136enum saa7164_buffer_flags {
137 SAA7164_BUFFER_UNDEFINED = 0,
138 SAA7164_BUFFER_FREE,
139 SAA7164_BUFFER_BUSY,
140 SAA7164_BUFFER_FULL
141};
142
143enum saa7164_unit_type {
144 SAA7164_UNIT_UNDEFINED = 0,
145 SAA7164_UNIT_DIGITAL_DEMODULATOR,
146 SAA7164_UNIT_ANALOG_DEMODULATOR,
147 SAA7164_UNIT_TUNER,
148 SAA7164_UNIT_EEPROM,
149 SAA7164_UNIT_ZILOG_IRBLASTER,
150 SAA7164_UNIT_ENCODER,
151};
152
153/* The PCIe bridge doesn't grant direct access to i2c.
154 * Instead, you address i2c devices using a uniqely
155 * allocated 'unitid' value via a messaging API. This
156 * is a problem. The kernel and existing demod/tuner
157 * drivers expect to talk 'i2c', so we have to maintain
158 * a translation layer, and a series of functions to
159 * convert i2c bus + device address into a unit id.
160 */
161struct saa7164_unit {
162 enum saa7164_unit_type type;
163 u8 id;
164 char *name;
165 enum saa7164_i2c_bus_nr i2c_bus_nr;
166 u8 i2c_bus_addr;
167 u8 i2c_reg_len;
168};
169
170struct saa7164_board {
171 char *name;
e8ce2f21
ST		 172 enum port_t porta, portb, portc,
173 portd, porte, portf;
443c1228
ST		 174 enum {
175 SAA7164_CHIP_UNDEFINED = 0,
176 SAA7164_CHIP_REV2,
177 SAA7164_CHIP_REV3,
178 } chiprev;
179 struct saa7164_unit unit[SAA7164_MAX_UNITS];
180};
181
182struct saa7164_subid {
183 u16 subvendor;
184 u16 subdevice;
185 u32 card;
186};
187
96d8420d 188struct saa7164_encoder_fh {
7615e434 189 struct saa7164_port *port;
e8ce2f21
ST		 190 atomic_t v4l_reading;
191};
192
193struct saa7164_vbi_fh {
194 struct saa7164_port *port;
7615e434
ST		 195 atomic_t v4l_reading;
196};
197
91d80189
ST		 198struct saa7164_histogram_bucket {
199 u32 val;
200 u32 count;
201 u64 update_time;
202};
203
204struct saa7164_histogram {
205 char name[32];
206 struct saa7164_histogram_bucket counter1[64];
207};
208
7615e434
ST		 209struct saa7164_user_buffer {
210 struct list_head list;
211
212 /* Attributes */
213 u8 *data;
214 u32 pos;
215 u32 actual_size;
12d3203e
ST		 216
217 u32 crc;
7615e434
ST		 218};
219
443c1228
ST		 220struct saa7164_fw_status {
221
222 /* RISC Core details */
223 u32 status;
224 u32 mode;
225 u32 spec;
226 u32 inst;
227 u32 cpuload;
228 u32 remainheap;
229
230 /* Firmware version */
231 u32 version;
232 u32 major;
233 u32 sub;
234 u32 rel;
235 u32 buildnr;
236};
237
238struct saa7164_dvb {
239 struct mutex lock;
240 struct dvb_adapter adapter;
241 struct dvb_frontend *frontend;
242 struct dvb_demux demux;
243 struct dmxdev dmxdev;
244 struct dmx_frontend fe_hw;
245 struct dmx_frontend fe_mem;
246 struct dvb_net net;
247 int feeding;
248};
249
250struct saa7164_i2c {
251 struct saa7164_dev *dev;
252
253 enum saa7164_i2c_bus_nr nr;
254
255 /* I2C I/O */
256 struct i2c_adapter i2c_adap;
443c1228
ST		 257 struct i2c_client i2c_client;
258 u32 i2c_rc;
259};
260
7615e434
ST		 261struct saa7164_ctrl {
262 struct v4l2_queryctrl v;
263};
264
265struct saa7164_tvnorm {
266 char *name;
267 v4l2_std_id id;
7615e434
ST		 268};
269
270struct saa7164_encoder_params {
271 struct saa7164_tvnorm encodernorm;
272 u32 height;
273 u32 width;
274 u32 is_50hz;
275 u32 bitrate; /* bps */
968b11b2 276 u32 bitrate_peak; /* bps */
2600d71c 277 u32 bitrate_mode;
7615e434
ST		 278 u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */
279
280 u32 audio_sampling_freq;
281 u32 ctl_mute;
282 u32 ctl_aspect;
3ed43cf9 283 u32 refdist;
5fa56ccd 284 u32 gop_size;
7615e434
ST		 285};
286
e8ce2f21
ST		 287struct saa7164_vbi_params {
288 struct saa7164_tvnorm encodernorm;
289 u32 height;
290 u32 width;
291 u32 is_50hz;
292 u32 bitrate; /* bps */
293 u32 bitrate_peak; /* bps */
294 u32 bitrate_mode;
295 u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */
296
297 u32 audio_sampling_freq;
298 u32 ctl_mute;
299 u32 ctl_aspect;
300 u32 refdist;
301 u32 gop_size;
302};
303
add3f580 304struct saa7164_port;
443c1228
ST		 305
306struct saa7164_buffer {
307 struct list_head list;
308
add3f580
ST		 309 /* Note of which h/w buffer list index position we occupy */
310 int idx;
443c1228 311
add3f580 312 struct saa7164_port *port;
443c1228
ST		 313
314 /* Hardware Specific */
315 /* PCI Memory allocations */
316 enum saa7164_buffer_flags flags; /* Free, Busy, Full */
317
318 /* A block of page align PCI memory */
319 u32 pci_size; /* PCI allocation size in bytes */
065e1477 320 u64 *cpu; /* Virtual address */
443c1228 321 dma_addr_t dma; /* Physical address */
12d3203e 322 u32 crc; /* Checksum for the entire buffer data */
443c1228
ST		 323
324 /* A page table that splits the block into a number of entries */
325 u32 pt_size; /* PCI allocation size in bytes */
065e1477 326 u64 *pt_cpu; /* Virtual address */
443c1228 327 dma_addr_t pt_dma; /* Physical address */
add3f580
ST		 328
329 /* Encoder fops */
330 u32 pos;
331 u32 actual_size;
443c1228
ST		 332};
333
add3f580 334struct saa7164_port {
443c1228
ST		 335
336 struct saa7164_dev *dev;
443c1228 337 enum port_t type;
add3f580 338 int nr;
443c1228 339
add3f580 340 /* --- Generic port attributes --- */
443c1228 341
add3f580 342 /* HW stream parameters */
4d270cfb 343 struct tmHWStreamParameters hw_streamingparams;
443c1228
ST		 344
345 /* DMA configuration values, is seeded during initialization */
4d270cfb 346 struct tmComResDMATermDescrHeader hwcfg;
443c1228
ST		 347
348 /* hardware specific registers */
349 u32 bufcounter;
350 u32 pitch;
351 u32 bufsize;
352 u32 bufoffset;
353 u32 bufptr32l;
354 u32 bufptr32h;
355 u64 bufptr64;
356
357 u32 numpte; /* Number of entries in array, only valid in head */
add3f580 358
443c1228 359 struct mutex dmaqueue_lock;
443c1228 360 struct saa7164_buffer dmaqueue;
add3f580 361
91d80189
ST		 362 u64 last_irq_msecs, last_svc_msecs;
363 u64 last_irq_msecs_diff, last_svc_msecs_diff;
cfbaf337
ST		 364 u32 last_svc_wp;
365 u32 last_svc_rp;
91d80189 366 u64 last_irq_svc_msecs_diff;
58acca10
ST		 367 u64 last_read_msecs, last_read_msecs_diff;
368 u64 last_poll_msecs, last_poll_msecs_diff;
91d80189
ST		 369
370 struct saa7164_histogram irq_interval;
371 struct saa7164_histogram svc_interval;
372 struct saa7164_histogram irq_svc_interval;
58acca10
ST		 373 struct saa7164_histogram read_interval;
374 struct saa7164_histogram poll_interval;
91d80189 375
add3f580
ST		 376 /* --- DVB Transport Specific --- */
377 struct saa7164_dvb dvb;
504b29cb
ST		 378 struct i2c_client *i2c_client_demod;
379 struct i2c_client *i2c_client_tuner;
add3f580
ST		 380
381 /* --- Encoder/V4L related attributes --- */
7615e434
ST		 382 /* Encoder */
383 /* Defaults established in saa7164-encoder.c */
384 struct saa7164_tvnorm encodernorm;
1a708ea0 385 struct v4l2_ctrl_handler ctrl_handler;
8d2d41e9 386 v4l2_std_id std;
7615e434
ST		 387 u32 height;
388 u32 width;
389 u32 freq;
390 u32 ts_packet_size;
391 u32 ts_packet_count;
392 u8 mux_input;
393 u8 encoder_profile;
394 u8 video_format;
395 u8 audio_format;
396 u8 video_resolution;
397 u16 ctl_brightness;
398 u16 ctl_contrast;
399 u16 ctl_hue;
400 u16 ctl_saturation;
401 u16 ctl_sharpness;
402 s8 ctl_volume;
403
4d270cfb
MCC		 404 struct tmComResAFeatureDescrHeader audfeat;
405 struct tmComResEncoderDescrHeader encunit;
406 struct tmComResProcDescrHeader vidproc;
407 struct tmComResExtDevDescrHeader ifunit;
408 struct tmComResTunerDescrHeader tunerunit;
7615e434 409
91d80189
ST		 410 struct work_struct workenc;
411
e8ce2f21 412 /* V4L Encoder Video */
7615e434
ST		 413 struct saa7164_encoder_params encoder_params;
414 struct video_device *v4l_device;
415 atomic_t v4l_reader_count;
7615e434
ST		 416
417 struct saa7164_buffer list_buf_used;
418 struct saa7164_buffer list_buf_free;
419 wait_queue_head_t wait_read;
9230acaa 420
e8ce2f21 421 /* V4L VBI */
4d270cfb 422 struct tmComResVBIFormatDescrHeader vbi_fmt_ntsc;
e8ce2f21
ST		 423 struct saa7164_vbi_params vbi_params;
424
9230acaa
ST		 425 /* Debug */
426 u32 sync_errors;
427 u32 v_cc_errors;
428 u32 a_cc_errors;
429 u8 last_v_cc;
430 u8 last_a_cc;
1b0e8e46 431 u32 done_first_interrupt;
443c1228
ST		 432};
433
434struct saa7164_dev {
435 struct list_head devlist;
436 atomic_t refcount;
437
d66de790
HV		 438 struct v4l2_device v4l2_dev;
439
443c1228
ST		 440 /* pci stuff */
441 struct pci_dev *pci;
442 unsigned char pci_rev, pci_lat;
443 int pci_bus, pci_slot;
444 u32 __iomem *lmmio;
445 u8 __iomem *bmmio;
446 u32 __iomem *lmmio2;
447 u8 __iomem *bmmio2;
448 int pci_irqmask;
449
450 /* board details */
451 int nr;
452 int hwrevision;
453 u32 board;
0e72cc8b 454 char name[16];
443c1228
ST		 455
456 /* firmware status */
457 struct saa7164_fw_status fw_status;
22760ed3 458 u32 firmwareloaded;
443c1228 459
4d270cfb
MCC		 460 struct tmComResHWDescr hwdesc;
461 struct tmComResInterfaceDescr intfdesc;
462 struct tmComResBusDescr busdesc;
443c1228 463
4d270cfb 464 struct tmComResBusInfo bus;
443c1228 465
1a6450d4
ST		 466 /* Interrupt status and ack registers */
467 u32 int_status;
468 u32 int_ack;
77978089 469 bool msi;
443c1228
ST		 470
471 struct cmd cmds[SAA_CMD_MAX_MSG_UNITS];
472 struct mutex lock;
473
474 /* I2c related */
475 struct saa7164_i2c i2c_bus[3];
476
477 /* Transport related */
c7e242ba 478 struct saa7164_port ports[SAA7164_MAX_PORTS];
443c1228
ST		 479
480 /* Deferred command/api interrupts handling */
481 struct work_struct workcmd;
482
0b62ceb0
ST		 483 /* A kernel thread to monitor the firmware log, used
484 * only in debug mode.
485 */
486 struct task_struct *kthread;
487
443c1228
ST		 488};
489
490extern struct list_head saa7164_devlist;
dd1ee444 491extern unsigned int waitsecs;
66e1d378 492extern unsigned int encoder_buffers;
e8ce2f21 493extern unsigned int vbi_buffers;
443c1228
ST		 494
495/* ----------------------------------------------------------- */
496/* saa7164-core.c */
497void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr);
443c1228
ST		 498void saa7164_getfirmwarestatus(struct saa7164_dev *dev);
499u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev);
58acca10 500void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val);
443c1228
ST		 501
502/* ----------------------------------------------------------- */
503/* saa7164-fw.c */
504int saa7164_downloadfirmware(struct saa7164_dev *dev);
505
506/* ----------------------------------------------------------- */
507/* saa7164-i2c.c */
508extern int saa7164_i2c_register(struct saa7164_i2c *bus);
509extern int saa7164_i2c_unregister(struct saa7164_i2c *bus);
510extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus,
511 unsigned int cmd, void *arg);
512
513/* ----------------------------------------------------------- */
514/* saa7164-bus.c */
515int saa7164_bus_setup(struct saa7164_dev *dev);
516void saa7164_bus_dump(struct saa7164_dev *dev);
bc250684
ST		 517int saa7164_bus_set(struct saa7164_dev *dev, struct tmComResInfo* msg,
518 void *buf);
4d270cfb 519int saa7164_bus_get(struct saa7164_dev *dev, struct tmComResInfo* msg,
443c1228
ST		 520 void *buf, int peekonly);
521
522/* ----------------------------------------------------------- */
523/* saa7164-cmd.c */
524int saa7164_cmd_send(struct saa7164_dev *dev,
4d270cfb 525 u8 id, enum tmComResCmd command, u16 controlselector,
443c1228
ST		 526 u16 size, void *buf);
527void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno);
39e469ab 528int saa7164_irq_dequeue(struct saa7164_dev *dev);
443c1228
ST		 529
530/* ----------------------------------------------------------- */
531/* saa7164-api.c */
443c1228
ST		 532int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version);
533int saa7164_api_enum_subdevs(struct saa7164_dev *dev);
534int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
535 u32 datalen, u8 *data);
536int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr,
537 u32 datalen, u8 *data);
538int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr,
539 u32 datalen, u8 *data);
540int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen);
541int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
542int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin);
add3f580 543int saa7164_api_transition_port(struct saa7164_port *port, u8 mode);
7615e434
ST		 544int saa7164_api_initialize_dif(struct saa7164_port *port);
545int saa7164_api_configure_dif(struct saa7164_port *port, u32 std);
546int saa7164_api_set_encoder(struct saa7164_port *port);
547int saa7164_api_get_encoder(struct saa7164_port *port);
548int saa7164_api_set_aspect_ratio(struct saa7164_port *port);
549int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl);
550int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl);
551int saa7164_api_set_videomux(struct saa7164_port *port);
552int saa7164_api_audio_mute(struct saa7164_port *port, int mute);
553int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level);
554int saa7164_api_set_audio_std(struct saa7164_port *port);
555int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect);
556int saa7164_api_get_videomux(struct saa7164_port *port);
e8ce2f21 557int saa7164_api_set_vbi_format(struct saa7164_port *port);
e48836b8 558int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level);
0b62ceb0 559int saa7164_api_collect_debug(struct saa7164_dev *dev);
bc250684
ST		 560int saa7164_api_get_load_info(struct saa7164_dev *dev,
561 struct tmFwInfoStruct *i);
443c1228
ST		 562
563/* ----------------------------------------------------------- */
564/* saa7164-cards.c */
565extern struct saa7164_board saa7164_boards[];
566extern const unsigned int saa7164_bcount;
567
568extern struct saa7164_subid saa7164_subids[];
569extern const unsigned int saa7164_idcount;
570
571extern void saa7164_card_list(struct saa7164_dev *dev);
572extern void saa7164_gpio_setup(struct saa7164_dev *dev);
573extern void saa7164_card_setup(struct saa7164_dev *dev);
574
575extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr);
576extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr);
577extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid);
578
579/* ----------------------------------------------------------- */
580/* saa7164-dvb.c */
add3f580
ST		 581extern int saa7164_dvb_register(struct saa7164_port *port);
582extern int saa7164_dvb_unregister(struct saa7164_port *port);
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ST		 583
584/* ----------------------------------------------------------- */
585/* saa7164-buffer.c */
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ST		 586extern struct saa7164_buffer *saa7164_buffer_alloc(
587 struct saa7164_port *port, u32 len);
588extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf);
589extern void saa7164_buffer_display(struct saa7164_buffer *buf);
590extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i);
591extern int saa7164_buffer_cfg_port(struct saa7164_port *port);
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ST		 592extern struct saa7164_user_buffer *saa7164_buffer_alloc_user(
593 struct saa7164_dev *dev, u32 len);
594extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf);
9230acaa 595extern int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i);
7615e434 596
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ST		 597/* ----------------------------------------------------------- */
598/* saa7164-encoder.c */
599int saa7164_encoder_register(struct saa7164_port *port);
600void saa7164_encoder_unregister(struct saa7164_port *port);
443c1228 601
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ST		 602/* ----------------------------------------------------------- */
603/* saa7164-vbi.c */
604int saa7164_vbi_register(struct saa7164_port *port);
605void saa7164_vbi_unregister(struct saa7164_port *port);
606
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ST		 607/* ----------------------------------------------------------- */
608
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ST		 609extern unsigned int crc_checking;
610
b1912a85 611extern unsigned int saa_debug;
443c1228 612#define dprintk(level, fmt, arg...)\
b1912a85 613 do { if (saa_debug & level)\
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ST		 614 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
615 } while (0)
616
617#define log_warn(fmt, arg...)\
618 do { \
619 printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\
620 } while (0)
621
443c1228 622#define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2))
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ST		 623#define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2))
624
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ST		 625#define saa7164_readb(reg) readl(dev->bmmio + (reg))
626#define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg))
627
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