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Commit | Line | Data |
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443c1228 ST |
1 | /* |
2 | * Driver for the NXP SAA7164 PCIe bridge | |
3 | * | |
9b8b0199 | 4 | * Copyright (c) 2010 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> | |
49 | #include <linux/i2c-algo-bit.h> | |
50 | #include <linux/kdev_t.h> | |
7615e434 ST |
51 | #include <linux/version.h> |
52 | #include <linux/mutex.h> | |
12d3203e | 53 | #include <linux/crc32.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 <linux/smp_lock.h> |
60 | #include <dvb_demux.h> | |
61 | #include <dvb_frontend.h> | |
62 | #include <dvb_net.h> | |
63 | #include <dvbdev.h> | |
64 | #include <dmxdev.h> | |
65 | #include <media/v4l2-common.h> | |
66 | #include <media/v4l2-ioctl.h> | |
67 | #include <media/v4l2-chip-ident.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 |
443c1228 ST |
85 | |
86 | #define SAA7164_MAX_UNITS 8 | |
87 | #define SAA7164_TS_NUMBER_OF_LINES 312 | |
a97781ac | 88 | #define SAA7164_PS_NUMBER_OF_LINES 256 |
443c1228 | 89 | #define SAA7164_PT_ENTRIES 16 /* (312 * 188) / 4096 */ |
66e1d378 | 90 | #define SAA7164_MAX_ENCODER_BUFFERS 64 /* max 5secs of latency at 6Mbps */ |
7615e434 ST |
91 | |
92 | /* Port related defines */ | |
93 | #define SAA7164_PORT_TS1 (0) | |
94 | #define SAA7164_PORT_TS2 (SAA7164_PORT_TS1 + 1) | |
95 | #define SAA7164_PORT_ENC1 (SAA7164_PORT_TS2 + 1) | |
96 | #define SAA7164_PORT_ENC2 (SAA7164_PORT_ENC1 + 1) | |
97 | #define SAA7164_MAX_PORTS (SAA7164_PORT_ENC2 + 1) | |
443c1228 ST |
98 | |
99 | #define DBGLVL_FW 4 | |
100 | #define DBGLVL_DVB 8 | |
101 | #define DBGLVL_I2C 16 | |
102 | #define DBGLVL_API 32 | |
103 | #define DBGLVL_CMD 64 | |
104 | #define DBGLVL_BUS 128 | |
105 | #define DBGLVL_IRQ 256 | |
106 | #define DBGLVL_BUF 512 | |
9b8b0199 | 107 | #define DBGLVL_ENC 1024 |
443c1228 | 108 | |
7615e434 ST |
109 | #define SAA7164_NORMS ( V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_443 ) |
110 | ||
443c1228 ST |
111 | enum port_t { |
112 | SAA7164_MPEG_UNDEFINED = 0, | |
113 | SAA7164_MPEG_DVB, | |
add3f580 | 114 | SAA7164_MPEG_ENCODER, |
443c1228 ST |
115 | }; |
116 | ||
117 | enum saa7164_i2c_bus_nr { | |
118 | SAA7164_I2C_BUS_0 = 0, | |
119 | SAA7164_I2C_BUS_1, | |
120 | SAA7164_I2C_BUS_2, | |
121 | }; | |
122 | ||
123 | enum saa7164_buffer_flags { | |
124 | SAA7164_BUFFER_UNDEFINED = 0, | |
125 | SAA7164_BUFFER_FREE, | |
126 | SAA7164_BUFFER_BUSY, | |
127 | SAA7164_BUFFER_FULL | |
128 | }; | |
129 | ||
130 | enum saa7164_unit_type { | |
131 | SAA7164_UNIT_UNDEFINED = 0, | |
132 | SAA7164_UNIT_DIGITAL_DEMODULATOR, | |
133 | SAA7164_UNIT_ANALOG_DEMODULATOR, | |
134 | SAA7164_UNIT_TUNER, | |
135 | SAA7164_UNIT_EEPROM, | |
136 | SAA7164_UNIT_ZILOG_IRBLASTER, | |
137 | SAA7164_UNIT_ENCODER, | |
138 | }; | |
139 | ||
140 | /* The PCIe bridge doesn't grant direct access to i2c. | |
141 | * Instead, you address i2c devices using a uniqely | |
142 | * allocated 'unitid' value via a messaging API. This | |
143 | * is a problem. The kernel and existing demod/tuner | |
144 | * drivers expect to talk 'i2c', so we have to maintain | |
145 | * a translation layer, and a series of functions to | |
146 | * convert i2c bus + device address into a unit id. | |
147 | */ | |
148 | struct saa7164_unit { | |
149 | enum saa7164_unit_type type; | |
150 | u8 id; | |
151 | char *name; | |
152 | enum saa7164_i2c_bus_nr i2c_bus_nr; | |
153 | u8 i2c_bus_addr; | |
154 | u8 i2c_reg_len; | |
155 | }; | |
156 | ||
157 | struct saa7164_board { | |
158 | char *name; | |
7615e434 | 159 | enum port_t porta, portb, portc, portd; |
443c1228 ST |
160 | enum { |
161 | SAA7164_CHIP_UNDEFINED = 0, | |
162 | SAA7164_CHIP_REV2, | |
163 | SAA7164_CHIP_REV3, | |
164 | } chiprev; | |
165 | struct saa7164_unit unit[SAA7164_MAX_UNITS]; | |
166 | }; | |
167 | ||
168 | struct saa7164_subid { | |
169 | u16 subvendor; | |
170 | u16 subdevice; | |
171 | u32 card; | |
172 | }; | |
173 | ||
7615e434 ST |
174 | struct saa7164_fh { |
175 | struct saa7164_port *port; | |
176 | u32 freq; | |
177 | u32 tuner_type; | |
178 | atomic_t v4l_reading; | |
179 | }; | |
180 | ||
91d80189 ST |
181 | struct saa7164_histogram_bucket { |
182 | u32 val; | |
183 | u32 count; | |
184 | u64 update_time; | |
185 | }; | |
186 | ||
187 | struct saa7164_histogram { | |
188 | char name[32]; | |
189 | struct saa7164_histogram_bucket counter1[64]; | |
190 | }; | |
191 | ||
7615e434 ST |
192 | struct saa7164_user_buffer { |
193 | struct list_head list; | |
194 | ||
195 | /* Attributes */ | |
196 | u8 *data; | |
197 | u32 pos; | |
198 | u32 actual_size; | |
12d3203e ST |
199 | |
200 | u32 crc; | |
7615e434 ST |
201 | }; |
202 | ||
443c1228 ST |
203 | struct saa7164_fw_status { |
204 | ||
205 | /* RISC Core details */ | |
206 | u32 status; | |
207 | u32 mode; | |
208 | u32 spec; | |
209 | u32 inst; | |
210 | u32 cpuload; | |
211 | u32 remainheap; | |
212 | ||
213 | /* Firmware version */ | |
214 | u32 version; | |
215 | u32 major; | |
216 | u32 sub; | |
217 | u32 rel; | |
218 | u32 buildnr; | |
219 | }; | |
220 | ||
221 | struct saa7164_dvb { | |
222 | struct mutex lock; | |
223 | struct dvb_adapter adapter; | |
224 | struct dvb_frontend *frontend; | |
225 | struct dvb_demux demux; | |
226 | struct dmxdev dmxdev; | |
227 | struct dmx_frontend fe_hw; | |
228 | struct dmx_frontend fe_mem; | |
229 | struct dvb_net net; | |
230 | int feeding; | |
231 | }; | |
232 | ||
233 | struct saa7164_i2c { | |
234 | struct saa7164_dev *dev; | |
235 | ||
236 | enum saa7164_i2c_bus_nr nr; | |
237 | ||
238 | /* I2C I/O */ | |
239 | struct i2c_adapter i2c_adap; | |
240 | struct i2c_algo_bit_data i2c_algo; | |
241 | struct i2c_client i2c_client; | |
242 | u32 i2c_rc; | |
243 | }; | |
244 | ||
7615e434 ST |
245 | struct saa7164_ctrl { |
246 | struct v4l2_queryctrl v; | |
247 | }; | |
248 | ||
249 | struct saa7164_tvnorm { | |
250 | char *name; | |
251 | v4l2_std_id id; | |
252 | // u32 cxiformat; | |
253 | // u32 cxoformat; | |
254 | }; | |
255 | ||
256 | struct saa7164_encoder_params { | |
257 | struct saa7164_tvnorm encodernorm; | |
258 | u32 height; | |
259 | u32 width; | |
260 | u32 is_50hz; | |
261 | u32 bitrate; /* bps */ | |
968b11b2 | 262 | u32 bitrate_peak; /* bps */ |
2600d71c | 263 | u32 bitrate_mode; |
7615e434 ST |
264 | u32 stream_type; /* V4L2_MPEG_STREAM_TYPE_MPEG2_TS */ |
265 | ||
266 | u32 audio_sampling_freq; | |
267 | u32 ctl_mute; | |
268 | u32 ctl_aspect; | |
3ed43cf9 | 269 | u32 refdist; |
5fa56ccd | 270 | u32 gop_size; |
7615e434 ST |
271 | }; |
272 | ||
add3f580 | 273 | struct saa7164_port; |
443c1228 ST |
274 | |
275 | struct saa7164_buffer { | |
276 | struct list_head list; | |
277 | ||
add3f580 ST |
278 | /* Note of which h/w buffer list index position we occupy */ |
279 | int idx; | |
443c1228 | 280 | |
add3f580 | 281 | struct saa7164_port *port; |
443c1228 ST |
282 | |
283 | /* Hardware Specific */ | |
284 | /* PCI Memory allocations */ | |
285 | enum saa7164_buffer_flags flags; /* Free, Busy, Full */ | |
286 | ||
287 | /* A block of page align PCI memory */ | |
288 | u32 pci_size; /* PCI allocation size in bytes */ | |
12d3203e | 289 | u64 __iomem *cpu; /* Virtual address */ |
443c1228 | 290 | dma_addr_t dma; /* Physical address */ |
12d3203e | 291 | u32 crc; /* Checksum for the entire buffer data */ |
443c1228 ST |
292 | |
293 | /* A page table that splits the block into a number of entries */ | |
294 | u32 pt_size; /* PCI allocation size in bytes */ | |
12d3203e | 295 | u64 __iomem *pt_cpu; /* Virtual address */ |
443c1228 | 296 | dma_addr_t pt_dma; /* Physical address */ |
add3f580 ST |
297 | |
298 | /* Encoder fops */ | |
299 | u32 pos; | |
300 | u32 actual_size; | |
443c1228 ST |
301 | }; |
302 | ||
add3f580 | 303 | struct saa7164_port { |
443c1228 ST |
304 | |
305 | struct saa7164_dev *dev; | |
443c1228 | 306 | enum port_t type; |
add3f580 | 307 | int nr; |
443c1228 | 308 | |
add3f580 | 309 | /* --- Generic port attributes --- */ |
443c1228 | 310 | |
add3f580 | 311 | /* HW stream parameters */ |
443c1228 ST |
312 | tmHWStreamParameters_t hw_streamingparams; |
313 | ||
314 | /* DMA configuration values, is seeded during initialization */ | |
315 | tmComResDMATermDescrHeader_t hwcfg; | |
316 | ||
317 | /* hardware specific registers */ | |
318 | u32 bufcounter; | |
319 | u32 pitch; | |
320 | u32 bufsize; | |
321 | u32 bufoffset; | |
322 | u32 bufptr32l; | |
323 | u32 bufptr32h; | |
324 | u64 bufptr64; | |
325 | ||
326 | u32 numpte; /* Number of entries in array, only valid in head */ | |
add3f580 | 327 | |
443c1228 | 328 | struct mutex dmaqueue_lock; |
443c1228 | 329 | struct saa7164_buffer dmaqueue; |
add3f580 | 330 | |
91d80189 ST |
331 | u64 last_irq_msecs, last_svc_msecs; |
332 | u64 last_irq_msecs_diff, last_svc_msecs_diff; | |
cfbaf337 ST |
333 | u32 last_svc_wp; |
334 | u32 last_svc_rp; | |
91d80189 | 335 | u64 last_irq_svc_msecs_diff; |
58acca10 ST |
336 | u64 last_read_msecs, last_read_msecs_diff; |
337 | u64 last_poll_msecs, last_poll_msecs_diff; | |
91d80189 ST |
338 | |
339 | struct saa7164_histogram irq_interval; | |
340 | struct saa7164_histogram svc_interval; | |
341 | struct saa7164_histogram irq_svc_interval; | |
58acca10 ST |
342 | struct saa7164_histogram read_interval; |
343 | struct saa7164_histogram poll_interval; | |
91d80189 | 344 | |
add3f580 ST |
345 | /* --- DVB Transport Specific --- */ |
346 | struct saa7164_dvb dvb; | |
347 | ||
348 | /* --- Encoder/V4L related attributes --- */ | |
7615e434 ST |
349 | /* Encoder */ |
350 | /* Defaults established in saa7164-encoder.c */ | |
351 | struct saa7164_tvnorm encodernorm; | |
352 | u32 height; | |
353 | u32 width; | |
354 | u32 freq; | |
355 | u32 ts_packet_size; | |
356 | u32 ts_packet_count; | |
357 | u8 mux_input; | |
358 | u8 encoder_profile; | |
359 | u8 video_format; | |
360 | u8 audio_format; | |
361 | u8 video_resolution; | |
362 | u16 ctl_brightness; | |
363 | u16 ctl_contrast; | |
364 | u16 ctl_hue; | |
365 | u16 ctl_saturation; | |
366 | u16 ctl_sharpness; | |
367 | s8 ctl_volume; | |
368 | ||
369 | tmComResAFeatureDescrHeader_t audfeat; | |
370 | tmComResEncoderDescrHeader_t encunit; | |
371 | tmComResProcDescrHeader_t vidproc; | |
372 | tmComResExtDevDescrHeader_t ifunit; | |
373 | tmComResTunerDescrHeader_t tunerunit; | |
374 | ||
91d80189 ST |
375 | struct work_struct workenc; |
376 | ||
7615e434 ST |
377 | /* V4L */ |
378 | struct saa7164_encoder_params encoder_params; | |
379 | struct video_device *v4l_device; | |
380 | atomic_t v4l_reader_count; | |
7615e434 ST |
381 | |
382 | struct saa7164_buffer list_buf_used; | |
383 | struct saa7164_buffer list_buf_free; | |
384 | wait_queue_head_t wait_read; | |
9230acaa ST |
385 | |
386 | /* Debug */ | |
387 | u32 sync_errors; | |
388 | u32 v_cc_errors; | |
389 | u32 a_cc_errors; | |
390 | u8 last_v_cc; | |
391 | u8 last_a_cc; | |
443c1228 ST |
392 | }; |
393 | ||
394 | struct saa7164_dev { | |
395 | struct list_head devlist; | |
396 | atomic_t refcount; | |
397 | ||
398 | /* pci stuff */ | |
399 | struct pci_dev *pci; | |
400 | unsigned char pci_rev, pci_lat; | |
401 | int pci_bus, pci_slot; | |
402 | u32 __iomem *lmmio; | |
403 | u8 __iomem *bmmio; | |
404 | u32 __iomem *lmmio2; | |
405 | u8 __iomem *bmmio2; | |
406 | int pci_irqmask; | |
407 | ||
408 | /* board details */ | |
409 | int nr; | |
410 | int hwrevision; | |
411 | u32 board; | |
412 | char name[32]; | |
413 | ||
414 | /* firmware status */ | |
415 | struct saa7164_fw_status fw_status; | |
416 | ||
417 | tmComResHWDescr_t hwdesc; | |
418 | tmComResInterfaceDescr_t intfdesc; | |
419 | tmComResBusDescr_t busdesc; | |
420 | ||
421 | tmComResBusInfo_t bus; | |
422 | ||
1a6450d4 ST |
423 | /* Interrupt status and ack registers */ |
424 | u32 int_status; | |
425 | u32 int_ack; | |
443c1228 ST |
426 | |
427 | struct cmd cmds[SAA_CMD_MAX_MSG_UNITS]; | |
428 | struct mutex lock; | |
429 | ||
430 | /* I2c related */ | |
431 | struct saa7164_i2c i2c_bus[3]; | |
432 | ||
433 | /* Transport related */ | |
7615e434 | 434 | struct saa7164_port ports[ SAA7164_MAX_PORTS ]; |
443c1228 ST |
435 | |
436 | /* Deferred command/api interrupts handling */ | |
437 | struct work_struct workcmd; | |
438 | ||
439 | }; | |
440 | ||
441 | extern struct list_head saa7164_devlist; | |
dd1ee444 | 442 | extern unsigned int waitsecs; |
66e1d378 | 443 | extern unsigned int encoder_buffers; |
443c1228 ST |
444 | |
445 | /* ----------------------------------------------------------- */ | |
446 | /* saa7164-core.c */ | |
447 | void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr); | |
448 | void saa7164_dumphex16(struct saa7164_dev *dev, u8 *buf, int len); | |
449 | void saa7164_getfirmwarestatus(struct saa7164_dev *dev); | |
450 | u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev); | |
58acca10 | 451 | void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val); |
443c1228 ST |
452 | |
453 | /* ----------------------------------------------------------- */ | |
454 | /* saa7164-fw.c */ | |
455 | int saa7164_downloadfirmware(struct saa7164_dev *dev); | |
456 | ||
457 | /* ----------------------------------------------------------- */ | |
458 | /* saa7164-i2c.c */ | |
459 | extern int saa7164_i2c_register(struct saa7164_i2c *bus); | |
460 | extern int saa7164_i2c_unregister(struct saa7164_i2c *bus); | |
461 | extern void saa7164_call_i2c_clients(struct saa7164_i2c *bus, | |
462 | unsigned int cmd, void *arg); | |
463 | ||
464 | /* ----------------------------------------------------------- */ | |
465 | /* saa7164-bus.c */ | |
466 | int saa7164_bus_setup(struct saa7164_dev *dev); | |
467 | void saa7164_bus_dump(struct saa7164_dev *dev); | |
468 | int saa7164_bus_set(struct saa7164_dev *dev, tmComResInfo_t* msg, void *buf); | |
469 | int saa7164_bus_get(struct saa7164_dev *dev, tmComResInfo_t* msg, | |
470 | void *buf, int peekonly); | |
471 | ||
472 | /* ----------------------------------------------------------- */ | |
473 | /* saa7164-cmd.c */ | |
474 | int saa7164_cmd_send(struct saa7164_dev *dev, | |
475 | u8 id, tmComResCmd_t command, u16 controlselector, | |
476 | u16 size, void *buf); | |
477 | void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno); | |
39e469ab | 478 | int saa7164_irq_dequeue(struct saa7164_dev *dev); |
443c1228 ST |
479 | |
480 | /* ----------------------------------------------------------- */ | |
481 | /* saa7164-api.c */ | |
443c1228 ST |
482 | int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version); |
483 | int saa7164_api_enum_subdevs(struct saa7164_dev *dev); | |
484 | int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, | |
485 | u32 datalen, u8 *data); | |
486 | int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, | |
487 | u32 datalen, u8 *data); | |
488 | int saa7164_api_dif_write(struct saa7164_i2c *bus, u8 addr, | |
489 | u32 datalen, u8 *data); | |
490 | int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen); | |
491 | int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin); | |
492 | int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, u8 pin); | |
add3f580 | 493 | int saa7164_api_transition_port(struct saa7164_port *port, u8 mode); |
7615e434 ST |
494 | int saa7164_api_initialize_dif(struct saa7164_port *port); |
495 | int saa7164_api_configure_dif(struct saa7164_port *port, u32 std); | |
496 | int saa7164_api_set_encoder(struct saa7164_port *port); | |
497 | int saa7164_api_get_encoder(struct saa7164_port *port); | |
498 | int saa7164_api_set_aspect_ratio(struct saa7164_port *port); | |
499 | int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl); | |
500 | int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl); | |
501 | int saa7164_api_set_videomux(struct saa7164_port *port); | |
502 | int saa7164_api_audio_mute(struct saa7164_port *port, int mute); | |
503 | int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level); | |
504 | int saa7164_api_set_audio_std(struct saa7164_port *port); | |
505 | int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect); | |
506 | int saa7164_api_get_videomux(struct saa7164_port *port); | |
443c1228 ST |
507 | |
508 | /* ----------------------------------------------------------- */ | |
509 | /* saa7164-cards.c */ | |
510 | extern struct saa7164_board saa7164_boards[]; | |
511 | extern const unsigned int saa7164_bcount; | |
512 | ||
513 | extern struct saa7164_subid saa7164_subids[]; | |
514 | extern const unsigned int saa7164_idcount; | |
515 | ||
516 | extern void saa7164_card_list(struct saa7164_dev *dev); | |
517 | extern void saa7164_gpio_setup(struct saa7164_dev *dev); | |
518 | extern void saa7164_card_setup(struct saa7164_dev *dev); | |
519 | ||
520 | extern int saa7164_i2caddr_to_reglen(struct saa7164_i2c *bus, int addr); | |
521 | extern int saa7164_i2caddr_to_unitid(struct saa7164_i2c *bus, int addr); | |
522 | extern char *saa7164_unitid_name(struct saa7164_dev *dev, u8 unitid); | |
523 | ||
524 | /* ----------------------------------------------------------- */ | |
525 | /* saa7164-dvb.c */ | |
add3f580 ST |
526 | extern int saa7164_dvb_register(struct saa7164_port *port); |
527 | extern int saa7164_dvb_unregister(struct saa7164_port *port); | |
443c1228 ST |
528 | |
529 | /* ----------------------------------------------------------- */ | |
530 | /* saa7164-buffer.c */ | |
add3f580 ST |
531 | extern struct saa7164_buffer *saa7164_buffer_alloc( |
532 | struct saa7164_port *port, u32 len); | |
533 | extern int saa7164_buffer_dealloc(struct saa7164_buffer *buf); | |
534 | extern void saa7164_buffer_display(struct saa7164_buffer *buf); | |
535 | extern int saa7164_buffer_activate(struct saa7164_buffer *buf, int i); | |
536 | extern int saa7164_buffer_cfg_port(struct saa7164_port *port); | |
7615e434 ST |
537 | extern struct saa7164_user_buffer *saa7164_buffer_alloc_user( |
538 | struct saa7164_dev *dev, u32 len); | |
539 | extern void saa7164_buffer_dealloc_user(struct saa7164_user_buffer *buf); | |
9230acaa | 540 | extern int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i); |
7615e434 | 541 | |
7615e434 ST |
542 | /* ----------------------------------------------------------- */ |
543 | /* saa7164-encoder.c */ | |
544 | int saa7164_encoder_register(struct saa7164_port *port); | |
545 | void saa7164_encoder_unregister(struct saa7164_port *port); | |
443c1228 ST |
546 | |
547 | /* ----------------------------------------------------------- */ | |
548 | ||
b1912a85 | 549 | extern unsigned int saa_debug; |
443c1228 | 550 | #define dprintk(level, fmt, arg...)\ |
b1912a85 | 551 | do { if (saa_debug & level)\ |
443c1228 ST |
552 | printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ |
553 | } while (0) | |
554 | ||
555 | #define log_warn(fmt, arg...)\ | |
556 | do { \ | |
557 | printk(KERN_WARNING "%s: " fmt, dev->name, ## arg);\ | |
558 | } while (0) | |
559 | ||
560 | #define log_err(fmt, arg...)\ | |
561 | do { \ | |
562 | printk(KERN_ERROR "%s: " fmt, dev->name, ## arg);\ | |
563 | } while (0) | |
564 | ||
565 | #define saa7164_readl(reg) readl(dev->lmmio + ((reg) >> 2)) | |
207b42c4 ST |
566 | #define saa7164_writel(reg, value) writel((value), dev->lmmio + ((reg) >> 2)) |
567 | ||
443c1228 ST |
568 | |
569 | #define saa7164_readb(reg) readl(dev->bmmio + (reg)) | |
570 | #define saa7164_writeb(reg, value) writel((value), dev->bmmio + (reg)) | |
571 |