diff options
Diffstat (limited to 'Documentation/sound/alsa')
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 194 | ||||
-rw-r--r-- | Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | 592 | ||||
-rw-r--r-- | Documentation/sound/alsa/Procfile.txt | 16 | ||||
-rw-r--r-- | Documentation/sound/alsa/hda_codec.txt | 14 |
4 files changed, 500 insertions, 316 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 2f27f391c7cc..d2578013e829 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt | |||
@@ -105,7 +105,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
105 | Each of top level sound card module takes the following options. | 105 | Each of top level sound card module takes the following options. |
106 | 106 | ||
107 | index - index (slot #) of sound card | 107 | index - index (slot #) of sound card |
108 | - Values: 0 through 7 or negative | 108 | - Values: 0 through 31 or negative |
109 | - If nonnegative, assign that index number | 109 | - If nonnegative, assign that index number |
110 | - if negative, interpret as a bitmask of permissible | 110 | - if negative, interpret as a bitmask of permissible |
111 | indices; the first free permitted index is assigned | 111 | indices; the first free permitted index is assigned |
@@ -134,7 +134,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
134 | dma2 - second DMA # for AD1816A chip (PnP setup) | 134 | dma2 - second DMA # for AD1816A chip (PnP setup) |
135 | clockfreq - Clock frequency for AD1816A chip (default = 0, 33000Hz) | 135 | clockfreq - Clock frequency for AD1816A chip (default = 0, 33000Hz) |
136 | 136 | ||
137 | Module supports up to 8 cards, autoprobe and PnP. | 137 | This module supports multiple cards, autoprobe and PnP. |
138 | 138 | ||
139 | Module snd-ad1848 | 139 | Module snd-ad1848 |
140 | ----------------- | 140 | ----------------- |
@@ -145,9 +145,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
145 | irq - IRQ # for AD1848 chip | 145 | irq - IRQ # for AD1848 chip |
146 | dma1 - DMA # for AD1848 chip (0,1,3) | 146 | dma1 - DMA # for AD1848 chip (0,1,3) |
147 | 147 | ||
148 | Module supports up to 8 cards. This module does not support autoprobe | 148 | This module supports multiple cards. It does not support autoprobe |
149 | thus main port must be specified!!! Other ports are optional. | 149 | thus main port must be specified!!! Other ports are optional. |
150 | 150 | ||
151 | The power-management is supported. | ||
152 | |||
151 | Module snd-ad1889 | 153 | Module snd-ad1889 |
152 | ----------------- | 154 | ----------------- |
153 | 155 | ||
@@ -156,7 +158,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
156 | ac97_quirk - AC'97 workaround for strange hardware | 158 | ac97_quirk - AC'97 workaround for strange hardware |
157 | See the description of intel8x0 module for details. | 159 | See the description of intel8x0 module for details. |
158 | 160 | ||
159 | This module supports up to 8 cards. | 161 | This module supports multiple cards. |
160 | 162 | ||
161 | Module snd-ali5451 | 163 | Module snd-ali5451 |
162 | ------------------ | 164 | ------------------ |
@@ -184,7 +186,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
184 | mpu_irq - IRQ # for MPU-401 (PnP setup) | 186 | mpu_irq - IRQ # for MPU-401 (PnP setup) |
185 | fm_port - port # for OPL3 FM (PnP setup) | 187 | fm_port - port # for OPL3 FM (PnP setup) |
186 | 188 | ||
187 | Module supports up to 8 cards, autoprobe and PnP. | 189 | This module supports multiple cards, autoprobe and PnP. |
190 | |||
191 | The power-management is supported. | ||
188 | 192 | ||
189 | Module snd-als4000 | 193 | Module snd-als4000 |
190 | ------------------ | 194 | ------------------ |
@@ -194,7 +198,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
194 | joystick_port - port # for legacy joystick support. | 198 | joystick_port - port # for legacy joystick support. |
195 | 0 = disabled (default), 1 = auto-detect | 199 | 0 = disabled (default), 1 = auto-detect |
196 | 200 | ||
197 | Module supports up to 8 cards, autoprobe and PnP. | 201 | This module supports multiple cards, autoprobe and PnP. |
202 | |||
203 | The power-management is supported. | ||
198 | 204 | ||
199 | Module snd-atiixp | 205 | Module snd-atiixp |
200 | ----------------- | 206 | ----------------- |
@@ -213,6 +219,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
213 | implementation depends on the motherboard, and you'll need to | 219 | implementation depends on the motherboard, and you'll need to |
214 | choose the correct one via spdif_aclink module option. | 220 | choose the correct one via spdif_aclink module option. |
215 | 221 | ||
222 | The power-management is supported. | ||
223 | |||
216 | Module snd-atiixp-modem | 224 | Module snd-atiixp-modem |
217 | ----------------------- | 225 | ----------------------- |
218 | 226 | ||
@@ -223,6 +231,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
223 | Note: The default index value of this module is -2, i.e. the first | 231 | Note: The default index value of this module is -2, i.e. the first |
224 | slot is excluded. | 232 | slot is excluded. |
225 | 233 | ||
234 | The power-management is supported. | ||
235 | |||
226 | Module snd-au8810, snd-au8820, snd-au8830 | 236 | Module snd-au8810, snd-au8820, snd-au8830 |
227 | ----------------------------------------- | 237 | ----------------------------------------- |
228 | 238 | ||
@@ -263,8 +273,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
263 | dma1 - 1st DMA # for AZT2320 (WSS) chip (PnP setup) | 273 | dma1 - 1st DMA # for AZT2320 (WSS) chip (PnP setup) |
264 | dma2 - 2nd DMA # for AZT2320 (WSS) chip (PnP setup) | 274 | dma2 - 2nd DMA # for AZT2320 (WSS) chip (PnP setup) |
265 | 275 | ||
266 | Module supports up to 8 cards, PnP and autoprobe. | 276 | This module supports multiple cards, PnP and autoprobe. |
267 | 277 | ||
278 | The power-management is supported. | ||
279 | |||
268 | Module snd-azt3328 | 280 | Module snd-azt3328 |
269 | ------------------ | 281 | ------------------ |
270 | 282 | ||
@@ -272,7 +284,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
272 | 284 | ||
273 | joystick - Enable joystick (default off) | 285 | joystick - Enable joystick (default off) |
274 | 286 | ||
275 | Module supports up to 8 cards. | 287 | This module supports multiple cards. |
276 | 288 | ||
277 | Module snd-bt87x | 289 | Module snd-bt87x |
278 | ---------------- | 290 | ---------------- |
@@ -282,7 +294,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
282 | digital_rate - Override the default digital rate (Hz) | 294 | digital_rate - Override the default digital rate (Hz) |
283 | load_all - Load the driver even if the card model isn't known | 295 | load_all - Load the driver even if the card model isn't known |
284 | 296 | ||
285 | Module supports up to 8 cards. | 297 | This module supports multiple cards. |
286 | 298 | ||
287 | Note: The default index value of this module is -2, i.e. the first | 299 | Note: The default index value of this module is -2, i.e. the first |
288 | slot is excluded. | 300 | slot is excluded. |
@@ -292,7 +304,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
292 | 304 | ||
293 | Module for Creative Audigy LS and SB Live 24bit | 305 | Module for Creative Audigy LS and SB Live 24bit |
294 | 306 | ||
295 | Module supports up to 8 cards. | 307 | This module supports multiple cards. |
296 | 308 | ||
297 | 309 | ||
298 | Module snd-cmi8330 | 310 | Module snd-cmi8330 |
@@ -308,7 +320,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
308 | sbdma8 - 8bit DMA # for CMI8330 chip (SB16) | 320 | sbdma8 - 8bit DMA # for CMI8330 chip (SB16) |
309 | sbdma16 - 16bit DMA # for CMI8330 chip (SB16) | 321 | sbdma16 - 16bit DMA # for CMI8330 chip (SB16) |
310 | 322 | ||
311 | Module supports up to 8 cards and autoprobe. | 323 | This module supports multiple cards and autoprobe. |
324 | |||
325 | The power-management is supported. | ||
312 | 326 | ||
313 | Module snd-cmipci | 327 | Module snd-cmipci |
314 | ----------------- | 328 | ----------------- |
@@ -321,8 +335,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
321 | (default = 1) | 335 | (default = 1) |
322 | joystick_port - Joystick port address (0 = disable, 1 = auto-detect) | 336 | joystick_port - Joystick port address (0 = disable, 1 = auto-detect) |
323 | 337 | ||
324 | Module supports autoprobe and multiple chips (max 8). | 338 | This module supports autoprobe and multiple cards. |
325 | 339 | ||
340 | The power-management is supported. | ||
341 | |||
326 | Module snd-cs4231 | 342 | Module snd-cs4231 |
327 | ----------------- | 343 | ----------------- |
328 | 344 | ||
@@ -335,7 +351,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
335 | dma1 - first DMA # for CS4231 chip | 351 | dma1 - first DMA # for CS4231 chip |
336 | dma2 - second DMA # for CS4231 chip | 352 | dma2 - second DMA # for CS4231 chip |
337 | 353 | ||
338 | Module supports up to 8 cards. This module does not support autoprobe | 354 | This module supports multiple cards. This module does not support autoprobe |
339 | thus main port must be specified!!! Other ports are optional. | 355 | thus main port must be specified!!! Other ports are optional. |
340 | 356 | ||
341 | The power-management is supported. | 357 | The power-management is supported. |
@@ -355,7 +371,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
355 | dma2 - second DMA # for Yamaha CS4232 chip (0,1,3), -1 = disable | 371 | dma2 - second DMA # for Yamaha CS4232 chip (0,1,3), -1 = disable |
356 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) | 372 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) |
357 | 373 | ||
358 | Module supports up to 8 cards. This module does not support autoprobe | 374 | This module supports multiple cards. This module does not support autoprobe |
359 | thus main port must be specified!!! Other ports are optional. | 375 | thus main port must be specified!!! Other ports are optional. |
360 | 376 | ||
361 | The power-management is supported. | 377 | The power-management is supported. |
@@ -376,7 +392,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
376 | dma2 - second DMA # for CS4236 chip (0,1,3), -1 = disable | 392 | dma2 - second DMA # for CS4236 chip (0,1,3), -1 = disable |
377 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) | 393 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) |
378 | 394 | ||
379 | Module supports up to 8 cards. This module does not support autoprobe | 395 | This module supports multiple cards. This module does not support autoprobe |
380 | (if ISA PnP is not used) thus main port and control port must be | 396 | (if ISA PnP is not used) thus main port and control port must be |
381 | specified!!! Other ports are optional. | 397 | specified!!! Other ports are optional. |
382 | 398 | ||
@@ -389,7 +405,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
389 | 405 | ||
390 | dual_codec - Secondary codec ID (0 = disable, default) | 406 | dual_codec - Secondary codec ID (0 = disable, default) |
391 | 407 | ||
392 | Module supports up to 8 cards. | 408 | This module supports multiple cards. |
393 | 409 | ||
394 | The power-management is supported. | 410 | The power-management is supported. |
395 | 411 | ||
@@ -403,13 +419,20 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
403 | thinkpad - Force to enable Thinkpad's CLKRUN control. | 419 | thinkpad - Force to enable Thinkpad's CLKRUN control. |
404 | mmap_valid - Support OSS mmap mode (default = 0). | 420 | mmap_valid - Support OSS mmap mode (default = 0). |
405 | 421 | ||
406 | Module supports up to 8 cards and autoprobe. | 422 | This module supports multiple cards and autoprobe. |
407 | Usually external amp and CLKRUN controls are detected automatically | 423 | Usually external amp and CLKRUN controls are detected automatically |
408 | from PCI sub vendor/device ids. If they don't work, give the options | 424 | from PCI sub vendor/device ids. If they don't work, give the options |
409 | above explicitly. | 425 | above explicitly. |
410 | 426 | ||
411 | The power-management is supported. | 427 | The power-management is supported. |
412 | 428 | ||
429 | Module snd-cs5535audio | ||
430 | ---------------------- | ||
431 | |||
432 | Module for multifunction CS5535 companion PCI device | ||
433 | |||
434 | This module supports multiple cards. | ||
435 | |||
413 | Module snd-dt019x | 436 | Module snd-dt019x |
414 | ----------------- | 437 | ----------------- |
415 | 438 | ||
@@ -423,9 +446,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
423 | mpu_irq - IRQ # for MPU-401 (PnP setup) | 446 | mpu_irq - IRQ # for MPU-401 (PnP setup) |
424 | dma8 - DMA # (PnP setup) | 447 | dma8 - DMA # (PnP setup) |
425 | 448 | ||
426 | Module supports up to 8 cards. This module is enabled only with | 449 | This module supports multiple cards. This module is enabled only with |
427 | ISA PnP support. | 450 | ISA PnP support. |
428 | 451 | ||
452 | The power-management is supported. | ||
453 | |||
429 | Module snd-dummy | 454 | Module snd-dummy |
430 | ---------------- | 455 | ---------------- |
431 | 456 | ||
@@ -433,6 +458,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
433 | or input, but you may use this module for any application which | 458 | or input, but you may use this module for any application which |
434 | requires a sound card (like RealPlayer). | 459 | requires a sound card (like RealPlayer). |
435 | 460 | ||
461 | The power-management is supported. | ||
462 | |||
436 | Module snd-emu10k1 | 463 | Module snd-emu10k1 |
437 | ------------------ | 464 | ------------------ |
438 | 465 | ||
@@ -450,7 +477,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
450 | given in MB unit. Default value is 128. | 477 | given in MB unit. Default value is 128. |
451 | enable_ir - enable IR | 478 | enable_ir - enable IR |
452 | 479 | ||
453 | Module supports up to 8 cards and autoprobe. | 480 | This module supports multiple cards and autoprobe. |
454 | 481 | ||
455 | Input & Output configurations [extin/extout] | 482 | Input & Output configurations [extin/extout] |
456 | * Creative Card wo/Digital out [0x0003/0x1f03] | 483 | * Creative Card wo/Digital out [0x0003/0x1f03] |
@@ -466,12 +493,14 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
466 | * Creative Card 5.1 (c) 2003 [0x3fc3/0x7cff] | 493 | * Creative Card 5.1 (c) 2003 [0x3fc3/0x7cff] |
467 | * Creative Card all ins and outs [0x3fff/0x7fff] | 494 | * Creative Card all ins and outs [0x3fff/0x7fff] |
468 | 495 | ||
496 | The power-management is supported. | ||
497 | |||
469 | Module snd-emu10k1x | 498 | Module snd-emu10k1x |
470 | ------------------- | 499 | ------------------- |
471 | 500 | ||
472 | Module for Creative Emu10k1X (SB Live Dell OEM version) | 501 | Module for Creative Emu10k1X (SB Live Dell OEM version) |
473 | 502 | ||
474 | Module supports up to 8 cards. | 503 | This module supports multiple cards. |
475 | 504 | ||
476 | Module snd-ens1370 | 505 | Module snd-ens1370 |
477 | ------------------ | 506 | ------------------ |
@@ -482,7 +511,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
482 | 511 | ||
483 | joystick - Enable joystick (default off) | 512 | joystick - Enable joystick (default off) |
484 | 513 | ||
485 | Module supports up to 8 cards and autoprobe. | 514 | This module supports multiple cards and autoprobe. |
486 | 515 | ||
487 | Module snd-ens1371 | 516 | Module snd-ens1371 |
488 | ------------------ | 517 | ------------------ |
@@ -495,7 +524,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
495 | joystick_port - port # for joystick (0x200,0x208,0x210,0x218), | 524 | joystick_port - port # for joystick (0x200,0x208,0x210,0x218), |
496 | 0 = disable (default), 1 = auto-detect | 525 | 0 = disable (default), 1 = auto-detect |
497 | 526 | ||
498 | Module supports up to 8 cards and autoprobe. | 527 | This module supports multiple cards and autoprobe. |
499 | 528 | ||
500 | Module snd-es968 | 529 | Module snd-es968 |
501 | ---------------- | 530 | ---------------- |
@@ -506,8 +535,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
506 | irq - IRQ # for ES968 (SB8) chip (PnP setup) | 535 | irq - IRQ # for ES968 (SB8) chip (PnP setup) |
507 | dma1 - DMA # for ES968 (SB8) chip (PnP setup) | 536 | dma1 - DMA # for ES968 (SB8) chip (PnP setup) |
508 | 537 | ||
509 | Module supports up to 8 cards, PnP and autoprobe. | 538 | This module supports multiple cards, PnP and autoprobe. |
510 | 539 | ||
540 | The power-management is supported. | ||
541 | |||
511 | Module snd-es1688 | 542 | Module snd-es1688 |
512 | ----------------- | 543 | ----------------- |
513 | 544 | ||
@@ -519,7 +550,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
519 | mpu_irq - IRQ # for MPU-401 port (5,7,9,10) | 550 | mpu_irq - IRQ # for MPU-401 port (5,7,9,10) |
520 | dma8 - DMA # for ES-1688 chip (0,1,3) | 551 | dma8 - DMA # for ES-1688 chip (0,1,3) |
521 | 552 | ||
522 | Module supports up to 8 cards and autoprobe (without MPU-401 port). | 553 | This module supports multiple cards and autoprobe (without MPU-401 port). |
523 | 554 | ||
524 | Module snd-es18xx | 555 | Module snd-es18xx |
525 | ----------------- | 556 | ----------------- |
@@ -534,8 +565,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
534 | dma2 - first DMA # for ES-18xx chip (0,1,3) | 565 | dma2 - first DMA # for ES-18xx chip (0,1,3) |
535 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) | 566 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) |
536 | 567 | ||
537 | Module supports up to 8 cards ISA PnP and autoprobe (without MPU-401 port | 568 | This module supports multiple cards, ISA PnP and autoprobe (without MPU-401 |
538 | if native ISA PnP routines are not used). | 569 | port if native ISA PnP routines are not used). |
539 | When dma2 is equal with dma1, the driver works as half-duplex. | 570 | When dma2 is equal with dma1, the driver works as half-duplex. |
540 | 571 | ||
541 | The power-management is supported. | 572 | The power-management is supported. |
@@ -545,7 +576,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
545 | 576 | ||
546 | Module for sound cards based on ESS Solo-1 (ES1938,ES1946) chips. | 577 | Module for sound cards based on ESS Solo-1 (ES1938,ES1946) chips. |
547 | 578 | ||
548 | Module supports up to 8 cards and autoprobe. | 579 | This module supports multiple cards and autoprobe. |
580 | |||
581 | The power-management is supported. | ||
549 | 582 | ||
550 | Module snd-es1968 | 583 | Module snd-es1968 |
551 | ----------------- | 584 | ----------------- |
@@ -561,7 +594,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
561 | enable_mpu - enable MPU401 (0 = off, 1 = on, 2 = auto (default)) | 594 | enable_mpu - enable MPU401 (0 = off, 1 = on, 2 = auto (default)) |
562 | joystick - enable joystick (default off) | 595 | joystick - enable joystick (default off) |
563 | 596 | ||
564 | Module supports up to 8 cards and autoprobe. | 597 | This module supports multiple cards and autoprobe. |
565 | 598 | ||
566 | The power-management is supported. | 599 | The power-management is supported. |
567 | 600 | ||
@@ -577,8 +610,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
577 | - High 16-bits are video (radio) device number + 1 | 610 | - High 16-bits are video (radio) device number + 1 |
578 | - example: 0x10002 (MediaForte 256-PCPR, device 1) | 611 | - example: 0x10002 (MediaForte 256-PCPR, device 1) |
579 | 612 | ||
580 | Module supports up to 8 cards and autoprobe. | 613 | This module supports multiple cards and autoprobe. |
581 | 614 | ||
615 | The power-management is supported. | ||
616 | |||
582 | Module snd-gusclassic | 617 | Module snd-gusclassic |
583 | --------------------- | 618 | --------------------- |
584 | 619 | ||
@@ -592,7 +627,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
592 | voices - GF1 voices limit (14-32) | 627 | voices - GF1 voices limit (14-32) |
593 | pcm_voices - reserved PCM voices | 628 | pcm_voices - reserved PCM voices |
594 | 629 | ||
595 | Module supports up to 8 cards and autoprobe. | 630 | This module supports multiple cards and autoprobe. |
596 | 631 | ||
597 | Module snd-gusextreme | 632 | Module snd-gusextreme |
598 | --------------------- | 633 | --------------------- |
@@ -611,7 +646,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
611 | voices - GF1 voices limit (14-32) | 646 | voices - GF1 voices limit (14-32) |
612 | pcm_voices - reserved PCM voices | 647 | pcm_voices - reserved PCM voices |
613 | 648 | ||
614 | Module supports up to 8 cards and autoprobe (without MPU-401 port). | 649 | This module supports multiple cards and autoprobe (without MPU-401 port). |
615 | 650 | ||
616 | Module snd-gusmax | 651 | Module snd-gusmax |
617 | ----------------- | 652 | ----------------- |
@@ -626,7 +661,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
626 | voices - GF1 voices limit (14-32) | 661 | voices - GF1 voices limit (14-32) |
627 | pcm_voices - reserved PCM voices | 662 | pcm_voices - reserved PCM voices |
628 | 663 | ||
629 | Module supports up to 8 cards and autoprobe. | 664 | This module supports multiple cards and autoprobe. |
630 | 665 | ||
631 | Module snd-hda-intel | 666 | Module snd-hda-intel |
632 | -------------------- | 667 | -------------------- |
@@ -688,12 +723,14 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
688 | (Usually SD_LPLIB register is more accurate than the | 723 | (Usually SD_LPLIB register is more accurate than the |
689 | position buffer.) | 724 | position buffer.) |
690 | 725 | ||
726 | The power-management is supported. | ||
727 | |||
691 | Module snd-hdsp | 728 | Module snd-hdsp |
692 | --------------- | 729 | --------------- |
693 | 730 | ||
694 | Module for RME Hammerfall DSP audio interface(s) | 731 | Module for RME Hammerfall DSP audio interface(s) |
695 | 732 | ||
696 | Module supports up to 8 cards. | 733 | This module supports multiple cards. |
697 | 734 | ||
698 | Note: The firmware data can be automatically loaded via hotplug | 735 | Note: The firmware data can be automatically loaded via hotplug |
699 | when CONFIG_FW_LOADER is set. Otherwise, you need to load | 736 | when CONFIG_FW_LOADER is set. Otherwise, you need to load |
@@ -751,7 +788,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
751 | cs8427_timeout - reset timeout for the CS8427 chip (S/PDIF transciever) | 788 | cs8427_timeout - reset timeout for the CS8427 chip (S/PDIF transciever) |
752 | in msec resolution, default value is 500 (0.5 sec) | 789 | in msec resolution, default value is 500 (0.5 sec) |
753 | 790 | ||
754 | Module supports up to 8 cards and autoprobe. Note: The consumer part | 791 | This module supports multiple cards and autoprobe. Note: The consumer part |
755 | is not used with all Envy24 based cards (for example in the MidiMan Delta | 792 | is not used with all Envy24 based cards (for example in the MidiMan Delta |
756 | serie). | 793 | serie). |
757 | 794 | ||
@@ -787,7 +824,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
787 | aureon71, universe, k8x800, phase22, phase28, ms300, | 824 | aureon71, universe, k8x800, phase22, phase28, ms300, |
788 | av710 | 825 | av710 |
789 | 826 | ||
790 | Module supports up to 8 cards and autoprobe. | 827 | This module supports multiple cards and autoprobe. |
791 | 828 | ||
792 | Note: The supported board is detected by reading EEPROM or PCI | 829 | Note: The supported board is detected by reading EEPROM or PCI |
793 | SSID (if EEPROM isn't available). You can override the | 830 | SSID (if EEPROM isn't available). You can override the |
@@ -839,6 +876,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
839 | Note: The default index value of this module is -2, i.e. the first | 876 | Note: The default index value of this module is -2, i.e. the first |
840 | slot is excluded. | 877 | slot is excluded. |
841 | 878 | ||
879 | The power-management is supported. | ||
880 | |||
842 | Module snd-interwave | 881 | Module snd-interwave |
843 | -------------------- | 882 | -------------------- |
844 | 883 | ||
@@ -855,7 +894,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
855 | effect - 1 = InterWave effects enable (default 0); | 894 | effect - 1 = InterWave effects enable (default 0); |
856 | requires 8 voices | 895 | requires 8 voices |
857 | 896 | ||
858 | Module supports up to 8 cards, autoprobe and ISA PnP. | 897 | This module supports multiple cards, autoprobe and ISA PnP. |
859 | 898 | ||
860 | Module snd-interwave-stb | 899 | Module snd-interwave-stb |
861 | ------------------------ | 900 | ------------------------ |
@@ -875,14 +914,14 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
875 | effect - 1 = InterWave effects enable (default 0); | 914 | effect - 1 = InterWave effects enable (default 0); |
876 | requires 8 voices | 915 | requires 8 voices |
877 | 916 | ||
878 | Module supports up to 8 cards, autoprobe and ISA PnP. | 917 | This module supports multiple cards, autoprobe and ISA PnP. |
879 | 918 | ||
880 | Module snd-korg1212 | 919 | Module snd-korg1212 |
881 | ------------------- | 920 | ------------------- |
882 | 921 | ||
883 | Module for Korg 1212 IO PCI card | 922 | Module for Korg 1212 IO PCI card |
884 | 923 | ||
885 | Module supports up to 8 cards. | 924 | This module supports multiple cards. |
886 | 925 | ||
887 | Module snd-maestro3 | 926 | Module snd-maestro3 |
888 | ------------------- | 927 | ------------------- |
@@ -894,7 +933,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
894 | -1 for default pin (8 for allegro, 1 for | 933 | -1 for default pin (8 for allegro, 1 for |
895 | others) | 934 | others) |
896 | 935 | ||
897 | Module supports autoprobe and multiple chips (max 8). | 936 | This module supports autoprobe and multiple chips. |
898 | 937 | ||
899 | Note: the binding of amplifier is dependent on hardware. | 938 | Note: the binding of amplifier is dependent on hardware. |
900 | If there is no sound even though all channels are unmuted, try to | 939 | If there is no sound even though all channels are unmuted, try to |
@@ -909,7 +948,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
909 | 948 | ||
910 | Module for Digigram miXart8 sound cards. | 949 | Module for Digigram miXart8 sound cards. |
911 | 950 | ||
912 | Module supports multiple cards. | 951 | This module supports multiple cards. |
913 | Note: One miXart8 board will be represented as 4 alsa cards. | 952 | Note: One miXart8 board will be represented as 4 alsa cards. |
914 | See MIXART.txt for details. | 953 | See MIXART.txt for details. |
915 | 954 | ||
@@ -928,7 +967,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
928 | irq - IRQ number or -1 (disable) | 967 | irq - IRQ number or -1 (disable) |
929 | pnp - PnP detection - 0 = disable, 1 = enable (default) | 968 | pnp - PnP detection - 0 = disable, 1 = enable (default) |
930 | 969 | ||
931 | Module supports multiple devices (max 8) and PnP. | 970 | This module supports multiple devices and PnP. |
932 | 971 | ||
933 | Module snd-mtpav | 972 | Module snd-mtpav |
934 | ---------------- | 973 | ---------------- |
@@ -1014,7 +1053,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1014 | dma2 - second DMA # for Yamaha OPL3-SA chip (0,1,3), -1 = disable | 1053 | dma2 - second DMA # for Yamaha OPL3-SA chip (0,1,3), -1 = disable |
1015 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) | 1054 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) |
1016 | 1055 | ||
1017 | Module supports up to 8 cards and ISA PnP. This module does not support | 1056 | This module supports multiple cards and ISA PnP. It does not support |
1018 | autoprobe (if ISA PnP is not used) thus all ports must be specified!!! | 1057 | autoprobe (if ISA PnP is not used) thus all ports must be specified!!! |
1019 | 1058 | ||
1020 | The power-management is supported. | 1059 | The power-management is supported. |
@@ -1064,6 +1103,13 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1064 | 1103 | ||
1065 | This module supports only one card, autoprobe and PnP. | 1104 | This module supports only one card, autoprobe and PnP. |
1066 | 1105 | ||
1106 | Module snd-pcxhr | ||
1107 | ---------------- | ||
1108 | |||
1109 | Module for Digigram PCXHR boards | ||
1110 | |||
1111 | This module supports multiple cards. | ||
1112 | |||
1067 | Module snd-powermac (on ppc only) | 1113 | Module snd-powermac (on ppc only) |
1068 | --------------------------------- | 1114 | --------------------------------- |
1069 | 1115 | ||
@@ -1084,20 +1130,22 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1084 | 1130 | ||
1085 | For ARM architecture only. | 1131 | For ARM architecture only. |
1086 | 1132 | ||
1133 | The power-management is supported. | ||
1134 | |||
1087 | Module snd-rme32 | 1135 | Module snd-rme32 |
1088 | ---------------- | 1136 | ---------------- |
1089 | 1137 | ||
1090 | Module for RME Digi32, Digi32 Pro and Digi32/8 (Sek'd Prodif32, | 1138 | Module for RME Digi32, Digi32 Pro and Digi32/8 (Sek'd Prodif32, |
1091 | Prodif96 and Prodif Gold) sound cards. | 1139 | Prodif96 and Prodif Gold) sound cards. |
1092 | 1140 | ||
1093 | Module supports up to 8 cards. | 1141 | This module supports multiple cards. |
1094 | 1142 | ||
1095 | Module snd-rme96 | 1143 | Module snd-rme96 |
1096 | ---------------- | 1144 | ---------------- |
1097 | 1145 | ||
1098 | Module for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST sound cards. | 1146 | Module for RME Digi96, Digi96/8 and Digi96/8 PRO/PAD/PST sound cards. |
1099 | 1147 | ||
1100 | Module supports up to 8 cards. | 1148 | This module supports multiple cards. |
1101 | 1149 | ||
1102 | Module snd-rme9652 | 1150 | Module snd-rme9652 |
1103 | ------------------ | 1151 | ------------------ |
@@ -1107,7 +1155,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1107 | precise_ptr - Enable precise pointer (doesn't work reliably). | 1155 | precise_ptr - Enable precise pointer (doesn't work reliably). |
1108 | (default = 0) | 1156 | (default = 0) |
1109 | 1157 | ||
1110 | Module supports up to 8 cards. | 1158 | This module supports multiple cards. |
1111 | 1159 | ||
1112 | Note: snd-page-alloc module does the job which snd-hammerfall-mem | 1160 | Note: snd-page-alloc module does the job which snd-hammerfall-mem |
1113 | module did formerly. It will allocate the buffers in advance | 1161 | module did formerly. It will allocate the buffers in advance |
@@ -1124,6 +1172,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1124 | Module supports only one card. | 1172 | Module supports only one card. |
1125 | Module has no enable and index options. | 1173 | Module has no enable and index options. |
1126 | 1174 | ||
1175 | The power-management is supported. | ||
1176 | |||
1127 | Module snd-sb8 | 1177 | Module snd-sb8 |
1128 | -------------- | 1178 | -------------- |
1129 | 1179 | ||
@@ -1135,8 +1185,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1135 | irq - IRQ # for SB DSP chip (5,7,9,10) | 1185 | irq - IRQ # for SB DSP chip (5,7,9,10) |
1136 | dma8 - DMA # for SB DSP chip (1,3) | 1186 | dma8 - DMA # for SB DSP chip (1,3) |
1137 | 1187 | ||
1138 | Module supports up to 8 cards and autoprobe. | 1188 | This module supports multiple cards and autoprobe. |
1139 | 1189 | ||
1190 | The power-management is supported. | ||
1191 | |||
1140 | Module snd-sb16 and snd-sbawe | 1192 | Module snd-sb16 and snd-sbawe |
1141 | ----------------------------- | 1193 | ----------------------------- |
1142 | 1194 | ||
@@ -1155,7 +1207,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1155 | csp - ASP/CSP chip support - 0 = disable (default), 1 = enable | 1207 | csp - ASP/CSP chip support - 0 = disable (default), 1 = enable |
1156 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) | 1208 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) |
1157 | 1209 | ||
1158 | Module supports up to 8 cards, autoprobe and ISA PnP. | 1210 | This module supports multiple cards, autoprobe and ISA PnP. |
1159 | 1211 | ||
1160 | Note: To use Vibra16X cards in 16-bit half duplex mode, you must | 1212 | Note: To use Vibra16X cards in 16-bit half duplex mode, you must |
1161 | disable 16bit DMA with dma16 = -1 module parameter. | 1213 | disable 16bit DMA with dma16 = -1 module parameter. |
@@ -1163,6 +1215,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1163 | half duplex mode through 8-bit DMA channel by disabling their | 1215 | half duplex mode through 8-bit DMA channel by disabling their |
1164 | 16-bit DMA channel. | 1216 | 16-bit DMA channel. |
1165 | 1217 | ||
1218 | The power-management is supported. | ||
1219 | |||
1166 | Module snd-sgalaxy | 1220 | Module snd-sgalaxy |
1167 | ------------------ | 1221 | ------------------ |
1168 | 1222 | ||
@@ -1173,7 +1227,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1173 | irq - IRQ # (7,9,10,11) | 1227 | irq - IRQ # (7,9,10,11) |
1174 | dma1 - DMA # | 1228 | dma1 - DMA # |
1175 | 1229 | ||
1176 | Module supports up to 8 cards. | 1230 | This module supports multiple cards. |
1231 | |||
1232 | The power-management is supported. | ||
1177 | 1233 | ||
1178 | Module snd-sscape | 1234 | Module snd-sscape |
1179 | ----------------- | 1235 | ----------------- |
@@ -1185,7 +1241,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1185 | mpu_irq - MPU-401 IRQ # (PnP setup) | 1241 | mpu_irq - MPU-401 IRQ # (PnP setup) |
1186 | dma - DMA # (PnP setup) | 1242 | dma - DMA # (PnP setup) |
1187 | 1243 | ||
1188 | Module supports up to 8 cards. ISA PnP must be enabled. | 1244 | This module supports multiple cards. ISA PnP must be enabled. |
1189 | You need sscape_ctl tool in alsa-tools package for loading | 1245 | You need sscape_ctl tool in alsa-tools package for loading |
1190 | the microcode. | 1246 | the microcode. |
1191 | 1247 | ||
@@ -1194,21 +1250,21 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1194 | 1250 | ||
1195 | Module for AMD7930 sound chips found on Sparcs. | 1251 | Module for AMD7930 sound chips found on Sparcs. |
1196 | 1252 | ||
1197 | Module supports up to 8 cards. | 1253 | This module supports multiple cards. |
1198 | 1254 | ||
1199 | Module snd-sun-cs4231 (on sparc only) | 1255 | Module snd-sun-cs4231 (on sparc only) |
1200 | ------------------------------------- | 1256 | ------------------------------------- |
1201 | 1257 | ||
1202 | Module for CS4231 sound chips found on Sparcs. | 1258 | Module for CS4231 sound chips found on Sparcs. |
1203 | 1259 | ||
1204 | Module supports up to 8 cards. | 1260 | This module supports multiple cards. |
1205 | 1261 | ||
1206 | Module snd-sun-dbri (on sparc only) | 1262 | Module snd-sun-dbri (on sparc only) |
1207 | ----------------------------------- | 1263 | ----------------------------------- |
1208 | 1264 | ||
1209 | Module for DBRI sound chips found on Sparcs. | 1265 | Module for DBRI sound chips found on Sparcs. |
1210 | 1266 | ||
1211 | Module supports up to 8 cards. | 1267 | This module supports multiple cards. |
1212 | 1268 | ||
1213 | Module snd-wavefront | 1269 | Module snd-wavefront |
1214 | -------------------- | 1270 | -------------------- |
@@ -1228,7 +1284,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1228 | dma2 - DMA2 # for CS4232 PCM interface. | 1284 | dma2 - DMA2 # for CS4232 PCM interface. |
1229 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) | 1285 | isapnp - ISA PnP detection - 0 = disable, 1 = enable (default) |
1230 | 1286 | ||
1231 | Module supports up to 8 cards and ISA PnP. | 1287 | This module supports multiple cards and ISA PnP. |
1232 | 1288 | ||
1233 | Module snd-sonicvibes | 1289 | Module snd-sonicvibes |
1234 | --------------------- | 1290 | --------------------- |
@@ -1240,7 +1296,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1240 | - SoundCard must have onboard SRAM for this. | 1296 | - SoundCard must have onboard SRAM for this. |
1241 | mge - Mic Gain Enable - 1 = enable, 0 = disable (default) | 1297 | mge - Mic Gain Enable - 1 = enable, 0 = disable (default) |
1242 | 1298 | ||
1243 | Module supports up to 8 cards and autoprobe. | 1299 | This module supports multiple cards and autoprobe. |
1244 | 1300 | ||
1245 | Module snd-serial-u16550 | 1301 | Module snd-serial-u16550 |
1246 | ------------------------ | 1302 | ------------------------ |
@@ -1259,7 +1315,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1259 | 0 = Soundcanvas, 1 = MS-124T, 2 = MS-124W S/A, | 1315 | 0 = Soundcanvas, 1 = MS-124T, 2 = MS-124W S/A, |
1260 | 3 = MS-124W M/B, 4 = Generic | 1316 | 3 = MS-124W M/B, 4 = Generic |
1261 | 1317 | ||
1262 | Module supports up to 8 cards. This module does not support autoprobe | 1318 | This module supports multiple cards. This module does not support autoprobe |
1263 | thus the main port must be specified!!! Other options are optional. | 1319 | thus the main port must be specified!!! Other options are optional. |
1264 | 1320 | ||
1265 | Module snd-trident | 1321 | Module snd-trident |
@@ -1278,7 +1334,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1278 | pcm_channels - max channels (voices) reserved for PCM | 1334 | pcm_channels - max channels (voices) reserved for PCM |
1279 | wavetable_size - max wavetable size in kB (4-?kb) | 1335 | wavetable_size - max wavetable size in kB (4-?kb) |
1280 | 1336 | ||
1281 | Module supports up to 8 cards and autoprobe. | 1337 | This module supports multiple cards and autoprobe. |
1282 | 1338 | ||
1283 | The power-management is supported. | 1339 | The power-management is supported. |
1284 | 1340 | ||
@@ -1290,14 +1346,14 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1290 | vid - Vendor ID for the device (optional) | 1346 | vid - Vendor ID for the device (optional) |
1291 | pid - Product ID for the device (optional) | 1347 | pid - Product ID for the device (optional) |
1292 | 1348 | ||
1293 | This module supports up to 8 cards, autoprobe and hotplugging. | 1349 | This module supports multiple devices, autoprobe and hotplugging. |
1294 | 1350 | ||
1295 | Module snd-usb-usx2y | 1351 | Module snd-usb-usx2y |
1296 | -------------------- | 1352 | -------------------- |
1297 | 1353 | ||
1298 | Module for Tascam USB US-122, US-224 and US-428 devices. | 1354 | Module for Tascam USB US-122, US-224 and US-428 devices. |
1299 | 1355 | ||
1300 | This module supports up to 8 cards, autoprobe and hotplugging. | 1356 | This module supports multiple devices, autoprobe and hotplugging. |
1301 | 1357 | ||
1302 | Note: you need to load the firmware via usx2yloader utility included | 1358 | Note: you need to load the firmware via usx2yloader utility included |
1303 | in alsa-tools and alsa-firmware packages. | 1359 | in alsa-tools and alsa-firmware packages. |
@@ -1356,6 +1412,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1356 | Note: for the MPU401 on VIA823x, use snd-mpu401 driver | 1412 | Note: for the MPU401 on VIA823x, use snd-mpu401 driver |
1357 | additionally. The mpu_port option is for VIA686 chips only. | 1413 | additionally. The mpu_port option is for VIA686 chips only. |
1358 | 1414 | ||
1415 | The power-management is supported. | ||
1416 | |||
1359 | Module snd-via82xx-modem | 1417 | Module snd-via82xx-modem |
1360 | ------------------------ | 1418 | ------------------------ |
1361 | 1419 | ||
@@ -1368,6 +1426,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1368 | Note: The default index value of this module is -2, i.e. the first | 1426 | Note: The default index value of this module is -2, i.e. the first |
1369 | slot is excluded. | 1427 | slot is excluded. |
1370 | 1428 | ||
1429 | The power-management is supported. | ||
1430 | |||
1371 | Module snd-virmidi | 1431 | Module snd-virmidi |
1372 | ------------------ | 1432 | ------------------ |
1373 | 1433 | ||
@@ -1375,9 +1435,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1375 | This module creates virtual rawmidi devices which communicate | 1435 | This module creates virtual rawmidi devices which communicate |
1376 | to the corresponding ALSA sequencer ports. | 1436 | to the corresponding ALSA sequencer ports. |
1377 | 1437 | ||
1378 | midi_devs - MIDI devices # (1-8, default=4) | 1438 | midi_devs - MIDI devices # (1-4, default=4) |
1379 | 1439 | ||
1380 | Module supports up to 8 cards. | 1440 | This module supports multiple cards. |
1381 | 1441 | ||
1382 | Module snd-vx222 | 1442 | Module snd-vx222 |
1383 | ---------------- | 1443 | ---------------- |
@@ -1387,7 +1447,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1387 | mic - Enable Microphone on V222 Mic (NYI) | 1447 | mic - Enable Microphone on V222 Mic (NYI) |
1388 | ibl - Capture IBL size. (default = 0, minimum size) | 1448 | ibl - Capture IBL size. (default = 0, minimum size) |
1389 | 1449 | ||
1390 | Module supports up to 8 cards. | 1450 | This module supports multiple cards. |
1391 | 1451 | ||
1392 | When the driver is compiled as a module and the hotplug firmware | 1452 | When the driver is compiled as a module and the hotplug firmware |
1393 | is supported, the firmware data is loaded via hotplug automatically. | 1453 | is supported, the firmware data is loaded via hotplug automatically. |
@@ -1406,6 +1466,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1406 | size is chosen. The possible IBL values can be found in | 1466 | size is chosen. The possible IBL values can be found in |
1407 | /proc/asound/cardX/vx-status proc file. | 1467 | /proc/asound/cardX/vx-status proc file. |
1408 | 1468 | ||
1469 | The power-management is supported. | ||
1470 | |||
1409 | Module snd-vxpocket | 1471 | Module snd-vxpocket |
1410 | ------------------- | 1472 | ------------------- |
1411 | 1473 | ||
@@ -1413,7 +1475,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1413 | 1475 | ||
1414 | ibl - Capture IBL size. (default = 0, minimum size) | 1476 | ibl - Capture IBL size. (default = 0, minimum size) |
1415 | 1477 | ||
1416 | Module supports up to 8 cards. The module is compiled only when | 1478 | This module supports multiple cards. The module is compiled only when |
1417 | PCMCIA is supported on kernel. | 1479 | PCMCIA is supported on kernel. |
1418 | 1480 | ||
1419 | With the older 2.6.x kernel, to activate the driver via the card | 1481 | With the older 2.6.x kernel, to activate the driver via the card |
@@ -1434,6 +1496,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1434 | Note2: snd-vxp440 driver is merged to snd-vxpocket driver since | 1496 | Note2: snd-vxp440 driver is merged to snd-vxpocket driver since |
1435 | ALSA 1.0.10. | 1497 | ALSA 1.0.10. |
1436 | 1498 | ||
1499 | The power-management is supported. | ||
1500 | |||
1437 | Module snd-ymfpci | 1501 | Module snd-ymfpci |
1438 | ----------------- | 1502 | ----------------- |
1439 | 1503 | ||
@@ -1447,7 +1511,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1447 | 1 (auto-detect) | 1511 | 1 (auto-detect) |
1448 | rear_switch - enable shared rear/line-in switch (bool) | 1512 | rear_switch - enable shared rear/line-in switch (bool) |
1449 | 1513 | ||
1450 | Module supports autoprobe and multiple chips (max 8). | 1514 | This module supports autoprobe and multiple chips. |
1451 | 1515 | ||
1452 | The power-management is supported. | 1516 | The power-management is supported. |
1453 | 1517 | ||
@@ -1458,6 +1522,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1458 | 1522 | ||
1459 | Note: the driver is build only when CONFIG_ISA is set. | 1523 | Note: the driver is build only when CONFIG_ISA is set. |
1460 | 1524 | ||
1525 | The power-management is supported. | ||
1526 | |||
1461 | 1527 | ||
1462 | AC97 Quirk Option | 1528 | AC97 Quirk Option |
1463 | ================= | 1529 | ================= |
@@ -1474,7 +1540,7 @@ the proper value with this option. | |||
1474 | 1540 | ||
1475 | The following strings are accepted: | 1541 | The following strings are accepted: |
1476 | - default Don't override the default setting | 1542 | - default Don't override the default setting |
1477 | - disable Disable the quirk | 1543 | - none Disable the quirk |
1478 | - hp_only Bind Master and Headphone controls as a single control | 1544 | - hp_only Bind Master and Headphone controls as a single control |
1479 | - swap_hp Swap headphone and master controls | 1545 | - swap_hp Swap headphone and master controls |
1480 | - swap_surround Swap master and surround controls | 1546 | - swap_surround Swap master and surround controls |
diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index 260334c98d95..4963d83d1511 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | |||
@@ -18,8 +18,8 @@ | |||
18 | </affiliation> | 18 | </affiliation> |
19 | </author> | 19 | </author> |
20 | 20 | ||
21 | <date>October 6, 2005</date> | 21 | <date>November 17, 2005</date> |
22 | <edition>0.3.5</edition> | 22 | <edition>0.3.6</edition> |
23 | 23 | ||
24 | <abstract> | 24 | <abstract> |
25 | <para> | 25 | <para> |
@@ -403,9 +403,8 @@ | |||
403 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | 403 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
404 | 404 | ||
405 | /* definition of the chip-specific record */ | 405 | /* definition of the chip-specific record */ |
406 | typedef struct snd_mychip mychip_t; | 406 | struct mychip { |
407 | struct snd_mychip { | 407 | struct snd_card *card; |
408 | snd_card_t *card; | ||
409 | // rest of implementation will be in the section | 408 | // rest of implementation will be in the section |
410 | // "PCI Resource Managements" | 409 | // "PCI Resource Managements" |
411 | }; | 410 | }; |
@@ -413,7 +412,7 @@ | |||
413 | /* chip-specific destructor | 412 | /* chip-specific destructor |
414 | * (see "PCI Resource Managements") | 413 | * (see "PCI Resource Managements") |
415 | */ | 414 | */ |
416 | static int snd_mychip_free(mychip_t *chip) | 415 | static int snd_mychip_free(struct mychip *chip) |
417 | { | 416 | { |
418 | .... // will be implemented later... | 417 | .... // will be implemented later... |
419 | } | 418 | } |
@@ -421,22 +420,21 @@ | |||
421 | /* component-destructor | 420 | /* component-destructor |
422 | * (see "Management of Cards and Components") | 421 | * (see "Management of Cards and Components") |
423 | */ | 422 | */ |
424 | static int snd_mychip_dev_free(snd_device_t *device) | 423 | static int snd_mychip_dev_free(struct snd_device *device) |
425 | { | 424 | { |
426 | mychip_t *chip = device->device_data; | 425 | return snd_mychip_free(device->device_data); |
427 | return snd_mychip_free(chip); | ||
428 | } | 426 | } |
429 | 427 | ||
430 | /* chip-specific constructor | 428 | /* chip-specific constructor |
431 | * (see "Management of Cards and Components") | 429 | * (see "Management of Cards and Components") |
432 | */ | 430 | */ |
433 | static int __devinit snd_mychip_create(snd_card_t *card, | 431 | static int __devinit snd_mychip_create(struct snd_card *card, |
434 | struct pci_dev *pci, | 432 | struct pci_dev *pci, |
435 | mychip_t **rchip) | 433 | struct mychip **rchip) |
436 | { | 434 | { |
437 | mychip_t *chip; | 435 | struct mychip *chip; |
438 | int err; | 436 | int err; |
439 | static snd_device_ops_t ops = { | 437 | static struct snd_device_ops ops = { |
440 | .dev_free = snd_mychip_dev_free, | 438 | .dev_free = snd_mychip_dev_free, |
441 | }; | 439 | }; |
442 | 440 | ||
@@ -474,8 +472,8 @@ | |||
474 | const struct pci_device_id *pci_id) | 472 | const struct pci_device_id *pci_id) |
475 | { | 473 | { |
476 | static int dev; | 474 | static int dev; |
477 | snd_card_t *card; | 475 | struct snd_card *card; |
478 | mychip_t *chip; | 476 | struct mychip *chip; |
479 | int err; | 477 | int err; |
480 | 478 | ||
481 | /* (1) */ | 479 | /* (1) */ |
@@ -582,7 +580,7 @@ | |||
582 | <informalexample> | 580 | <informalexample> |
583 | <programlisting> | 581 | <programlisting> |
584 | <![CDATA[ | 582 | <![CDATA[ |
585 | snd_card_t *card; | 583 | struct snd_card *card; |
586 | .... | 584 | .... |
587 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); | 585 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
588 | ]]> | 586 | ]]> |
@@ -605,7 +603,7 @@ | |||
605 | <informalexample> | 603 | <informalexample> |
606 | <programlisting> | 604 | <programlisting> |
607 | <![CDATA[ | 605 | <![CDATA[ |
608 | mychip_t *chip; | 606 | struct mychip *chip; |
609 | .... | 607 | .... |
610 | if ((err = snd_mychip_create(card, pci, &chip)) < 0) { | 608 | if ((err = snd_mychip_create(card, pci, &chip)) < 0) { |
611 | snd_card_free(card); | 609 | snd_card_free(card); |
@@ -806,7 +804,7 @@ | |||
806 | <informalexample> | 804 | <informalexample> |
807 | <programlisting> | 805 | <programlisting> |
808 | <![CDATA[ | 806 | <![CDATA[ |
809 | snd_card_t *card; | 807 | struct snd_card *card; |
810 | card = snd_card_new(index, id, module, extra_size); | 808 | card = snd_card_new(index, id, module, extra_size); |
811 | ]]> | 809 | ]]> |
812 | </programlisting> | 810 | </programlisting> |
@@ -830,7 +828,7 @@ | |||
830 | <para> | 828 | <para> |
831 | After the card is created, you can attach the components | 829 | After the card is created, you can attach the components |
832 | (devices) to the card instance. On ALSA driver, a component is | 830 | (devices) to the card instance. On ALSA driver, a component is |
833 | represented as a <type>snd_device_t</type> object. | 831 | represented as a struct <structname>snd_device</structname> object. |
834 | A component can be a PCM instance, a control interface, a raw | 832 | A component can be a PCM instance, a control interface, a raw |
835 | MIDI interface, etc. Each of such instances has one component | 833 | MIDI interface, etc. Each of such instances has one component |
836 | entry. | 834 | entry. |
@@ -891,14 +889,11 @@ | |||
891 | The chip-specific information, e.g. the i/o port address, its | 889 | The chip-specific information, e.g. the i/o port address, its |
892 | resource pointer, or the irq number, is stored in the | 890 | resource pointer, or the irq number, is stored in the |
893 | chip-specific record. | 891 | chip-specific record. |
894 | Usually, the chip-specific record is typedef'ed as | ||
895 | <type>xxx_t</type> like the following: | ||
896 | 892 | ||
897 | <informalexample> | 893 | <informalexample> |
898 | <programlisting> | 894 | <programlisting> |
899 | <![CDATA[ | 895 | <![CDATA[ |
900 | typedef struct snd_mychip mychip_t; | 896 | struct mychip { |
901 | struct snd_mychip { | ||
902 | .... | 897 | .... |
903 | }; | 898 | }; |
904 | ]]> | 899 | ]]> |
@@ -918,12 +913,12 @@ | |||
918 | <informalexample> | 913 | <informalexample> |
919 | <programlisting> | 914 | <programlisting> |
920 | <![CDATA[ | 915 | <![CDATA[ |
921 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(mychip_t)); | 916 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct mychip)); |
922 | ]]> | 917 | ]]> |
923 | </programlisting> | 918 | </programlisting> |
924 | </informalexample> | 919 | </informalexample> |
925 | 920 | ||
926 | whether <type>mychip_t</type> is the type of the chip record. | 921 | whether struct <structname>mychip</structname> is the type of the chip record. |
927 | </para> | 922 | </para> |
928 | 923 | ||
929 | <para> | 924 | <para> |
@@ -932,7 +927,7 @@ | |||
932 | <informalexample> | 927 | <informalexample> |
933 | <programlisting> | 928 | <programlisting> |
934 | <![CDATA[ | 929 | <![CDATA[ |
935 | mychip_t *chip = (mychip_t *)card->private_data; | 930 | struct mychip *chip = (struct mychip *)card->private_data; |
936 | ]]> | 931 | ]]> |
937 | </programlisting> | 932 | </programlisting> |
938 | </informalexample> | 933 | </informalexample> |
@@ -954,8 +949,8 @@ | |||
954 | <informalexample> | 949 | <informalexample> |
955 | <programlisting> | 950 | <programlisting> |
956 | <![CDATA[ | 951 | <![CDATA[ |
957 | snd_card_t *card; | 952 | struct snd_card *card; |
958 | mychip_t *chip; | 953 | struct mychip *chip; |
959 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, NULL); | 954 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, NULL); |
960 | ..... | 955 | ..... |
961 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | 956 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
@@ -971,8 +966,8 @@ | |||
971 | <informalexample> | 966 | <informalexample> |
972 | <programlisting> | 967 | <programlisting> |
973 | <![CDATA[ | 968 | <![CDATA[ |
974 | struct snd_mychip { | 969 | struct mychip { |
975 | snd_card_t *card; | 970 | struct snd_card *card; |
976 | .... | 971 | .... |
977 | }; | 972 | }; |
978 | ]]> | 973 | ]]> |
@@ -1000,7 +995,7 @@ | |||
1000 | <informalexample> | 995 | <informalexample> |
1001 | <programlisting> | 996 | <programlisting> |
1002 | <![CDATA[ | 997 | <![CDATA[ |
1003 | static snd_device_ops_t ops = { | 998 | static struct snd_device_ops ops = { |
1004 | .dev_free = snd_mychip_dev_free, | 999 | .dev_free = snd_mychip_dev_free, |
1005 | }; | 1000 | }; |
1006 | .... | 1001 | .... |
@@ -1018,10 +1013,9 @@ | |||
1018 | <informalexample> | 1013 | <informalexample> |
1019 | <programlisting> | 1014 | <programlisting> |
1020 | <![CDATA[ | 1015 | <![CDATA[ |
1021 | static int snd_mychip_dev_free(snd_device_t *device) | 1016 | static int snd_mychip_dev_free(struct snd_device *device) |
1022 | { | 1017 | { |
1023 | mychip_t *chip = device->device_data; | 1018 | return snd_mychip_free(device->device_data); |
1024 | return snd_mychip_free(chip); | ||
1025 | } | 1019 | } |
1026 | ]]> | 1020 | ]]> |
1027 | </programlisting> | 1021 | </programlisting> |
@@ -1087,15 +1081,15 @@ | |||
1087 | <title>PCI Resource Managements Example</title> | 1081 | <title>PCI Resource Managements Example</title> |
1088 | <programlisting> | 1082 | <programlisting> |
1089 | <![CDATA[ | 1083 | <![CDATA[ |
1090 | struct snd_mychip { | 1084 | struct mychip { |
1091 | snd_card_t *card; | 1085 | struct snd_card *card; |
1092 | struct pci_dev *pci; | 1086 | struct pci_dev *pci; |
1093 | 1087 | ||
1094 | unsigned long port; | 1088 | unsigned long port; |
1095 | int irq; | 1089 | int irq; |
1096 | }; | 1090 | }; |
1097 | 1091 | ||
1098 | static int snd_mychip_free(mychip_t *chip) | 1092 | static int snd_mychip_free(struct mychip *chip) |
1099 | { | 1093 | { |
1100 | /* disable hardware here if any */ | 1094 | /* disable hardware here if any */ |
1101 | .... // (not implemented in this document) | 1095 | .... // (not implemented in this document) |
@@ -1113,13 +1107,13 @@ | |||
1113 | } | 1107 | } |
1114 | 1108 | ||
1115 | /* chip-specific constructor */ | 1109 | /* chip-specific constructor */ |
1116 | static int __devinit snd_mychip_create(snd_card_t *card, | 1110 | static int __devinit snd_mychip_create(struct snd_card *card, |
1117 | struct pci_dev *pci, | 1111 | struct pci_dev *pci, |
1118 | mychip_t **rchip) | 1112 | struct mychip **rchip) |
1119 | { | 1113 | { |
1120 | mychip_t *chip; | 1114 | struct mychip *chip; |
1121 | int err; | 1115 | int err; |
1122 | static snd_device_ops_t ops = { | 1116 | static struct snd_device_ops ops = { |
1123 | .dev_free = snd_mychip_dev_free, | 1117 | .dev_free = snd_mychip_dev_free, |
1124 | }; | 1118 | }; |
1125 | 1119 | ||
@@ -1155,8 +1149,7 @@ | |||
1155 | } | 1149 | } |
1156 | chip->port = pci_resource_start(pci, 0); | 1150 | chip->port = pci_resource_start(pci, 0); |
1157 | if (request_irq(pci->irq, snd_mychip_interrupt, | 1151 | if (request_irq(pci->irq, snd_mychip_interrupt, |
1158 | SA_INTERRUPT|SA_SHIRQ, "My Chip", | 1152 | SA_INTERRUPT|SA_SHIRQ, "My Chip", chip)) { |
1159 | (void *)chip)) { | ||
1160 | printk(KERN_ERR "cannot grab irq %d\n", pci->irq); | 1153 | printk(KERN_ERR "cannot grab irq %d\n", pci->irq); |
1161 | snd_mychip_free(chip); | 1154 | snd_mychip_free(chip); |
1162 | return -EBUSY; | 1155 | return -EBUSY; |
@@ -1268,14 +1261,14 @@ | |||
1268 | 1261 | ||
1269 | <para> | 1262 | <para> |
1270 | Now assume that this PCI device has an I/O port with 8 bytes | 1263 | Now assume that this PCI device has an I/O port with 8 bytes |
1271 | and an interrupt. Then <type>mychip_t</type> will have the | 1264 | and an interrupt. Then struct <structname>mychip</structname> will have the |
1272 | following fields: | 1265 | following fields: |
1273 | 1266 | ||
1274 | <informalexample> | 1267 | <informalexample> |
1275 | <programlisting> | 1268 | <programlisting> |
1276 | <![CDATA[ | 1269 | <![CDATA[ |
1277 | struct snd_mychip { | 1270 | struct mychip { |
1278 | snd_card_t *card; | 1271 | struct snd_card *card; |
1279 | 1272 | ||
1280 | unsigned long port; | 1273 | unsigned long port; |
1281 | int irq; | 1274 | int irq; |
@@ -1330,8 +1323,7 @@ | |||
1330 | <programlisting> | 1323 | <programlisting> |
1331 | <![CDATA[ | 1324 | <![CDATA[ |
1332 | if (request_irq(pci->irq, snd_mychip_interrupt, | 1325 | if (request_irq(pci->irq, snd_mychip_interrupt, |
1333 | SA_INTERRUPT|SA_SHIRQ, "My Chip", | 1326 | SA_INTERRUPT|SA_SHIRQ, "My Chip", chip)) { |
1334 | (void *)chip)) { | ||
1335 | printk(KERN_ERR "cannot grab irq %d\n", pci->irq); | 1327 | printk(KERN_ERR "cannot grab irq %d\n", pci->irq); |
1336 | snd_mychip_free(chip); | 1328 | snd_mychip_free(chip); |
1337 | return -EBUSY; | 1329 | return -EBUSY; |
@@ -1372,7 +1364,7 @@ | |||
1372 | static irqreturn_t snd_mychip_interrupt(int irq, void *dev_id, | 1364 | static irqreturn_t snd_mychip_interrupt(int irq, void *dev_id, |
1373 | struct pt_regs *regs) | 1365 | struct pt_regs *regs) |
1374 | { | 1366 | { |
1375 | mychip_t *chip = dev_id; | 1367 | struct mychip *chip = dev_id; |
1376 | .... | 1368 | .... |
1377 | return IRQ_HANDLED; | 1369 | return IRQ_HANDLED; |
1378 | } | 1370 | } |
@@ -1487,7 +1479,7 @@ | |||
1487 | <informalexample> | 1479 | <informalexample> |
1488 | <programlisting> | 1480 | <programlisting> |
1489 | <![CDATA[ | 1481 | <![CDATA[ |
1490 | struct snd_mychip { | 1482 | struct mychip { |
1491 | .... | 1483 | .... |
1492 | unsigned long iobase_phys; | 1484 | unsigned long iobase_phys; |
1493 | void __iomem *iobase_virt; | 1485 | void __iomem *iobase_virt; |
@@ -1517,7 +1509,7 @@ | |||
1517 | <informalexample> | 1509 | <informalexample> |
1518 | <programlisting> | 1510 | <programlisting> |
1519 | <![CDATA[ | 1511 | <![CDATA[ |
1520 | static int snd_mychip_free(mychip_t *chip) | 1512 | static int snd_mychip_free(struct mychip *chip) |
1521 | { | 1513 | { |
1522 | .... | 1514 | .... |
1523 | if (chip->iobase_virt) | 1515 | if (chip->iobase_virt) |
@@ -1537,7 +1529,7 @@ | |||
1537 | <title>Registration of Device Struct</title> | 1529 | <title>Registration of Device Struct</title> |
1538 | <para> | 1530 | <para> |
1539 | At some point, typically after calling <function>snd_device_new()</function>, | 1531 | At some point, typically after calling <function>snd_device_new()</function>, |
1540 | you need to register the <structname>struct device</structname> of the chip | 1532 | you need to register the struct <structname>device</structname> of the chip |
1541 | you're handling for udev and co. ALSA provides a macro for compatibility with | 1533 | you're handling for udev and co. ALSA provides a macro for compatibility with |
1542 | older kernels. Simply call like the following: | 1534 | older kernels. Simply call like the following: |
1543 | <informalexample> | 1535 | <informalexample> |
@@ -1739,7 +1731,7 @@ | |||
1739 | .... | 1731 | .... |
1740 | 1732 | ||
1741 | /* hardware definition */ | 1733 | /* hardware definition */ |
1742 | static snd_pcm_hardware_t snd_mychip_playback_hw = { | 1734 | static struct snd_pcm_hardware snd_mychip_playback_hw = { |
1743 | .info = (SNDRV_PCM_INFO_MMAP | | 1735 | .info = (SNDRV_PCM_INFO_MMAP | |
1744 | SNDRV_PCM_INFO_INTERLEAVED | | 1736 | SNDRV_PCM_INFO_INTERLEAVED | |
1745 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 1737 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
@@ -1758,7 +1750,7 @@ | |||
1758 | }; | 1750 | }; |
1759 | 1751 | ||
1760 | /* hardware definition */ | 1752 | /* hardware definition */ |
1761 | static snd_pcm_hardware_t snd_mychip_capture_hw = { | 1753 | static struct snd_pcm_hardware snd_mychip_capture_hw = { |
1762 | .info = (SNDRV_PCM_INFO_MMAP | | 1754 | .info = (SNDRV_PCM_INFO_MMAP | |
1763 | SNDRV_PCM_INFO_INTERLEAVED | | 1755 | SNDRV_PCM_INFO_INTERLEAVED | |
1764 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 1756 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
@@ -1777,10 +1769,10 @@ | |||
1777 | }; | 1769 | }; |
1778 | 1770 | ||
1779 | /* open callback */ | 1771 | /* open callback */ |
1780 | static int snd_mychip_playback_open(snd_pcm_substream_t *substream) | 1772 | static int snd_mychip_playback_open(struct snd_pcm_substream *substream) |
1781 | { | 1773 | { |
1782 | mychip_t *chip = snd_pcm_substream_chip(substream); | 1774 | struct mychip *chip = snd_pcm_substream_chip(substream); |
1783 | snd_pcm_runtime_t *runtime = substream->runtime; | 1775 | struct snd_pcm_runtime *runtime = substream->runtime; |
1784 | 1776 | ||
1785 | runtime->hw = snd_mychip_playback_hw; | 1777 | runtime->hw = snd_mychip_playback_hw; |
1786 | // more hardware-initialization will be done here | 1778 | // more hardware-initialization will be done here |
@@ -1788,19 +1780,19 @@ | |||
1788 | } | 1780 | } |
1789 | 1781 | ||
1790 | /* close callback */ | 1782 | /* close callback */ |
1791 | static int snd_mychip_playback_close(snd_pcm_substream_t *substream) | 1783 | static int snd_mychip_playback_close(struct snd_pcm_substream *substream) |
1792 | { | 1784 | { |
1793 | mychip_t *chip = snd_pcm_substream_chip(substream); | 1785 | struct mychip *chip = snd_pcm_substream_chip(substream); |
1794 | // the hardware-specific codes will be here | 1786 | // the hardware-specific codes will be here |
1795 | return 0; | 1787 | return 0; |
1796 | 1788 | ||
1797 | } | 1789 | } |
1798 | 1790 | ||
1799 | /* open callback */ | 1791 | /* open callback */ |
1800 | static int snd_mychip_capture_open(snd_pcm_substream_t *substream) | 1792 | static int snd_mychip_capture_open(struct snd_pcm_substream *substream) |
1801 | { | 1793 | { |
1802 | mychip_t *chip = snd_pcm_substream_chip(substream); | 1794 | struct mychip *chip = snd_pcm_substream_chip(substream); |
1803 | snd_pcm_runtime_t *runtime = substream->runtime; | 1795 | struct snd_pcm_runtime *runtime = substream->runtime; |
1804 | 1796 | ||
1805 | runtime->hw = snd_mychip_capture_hw; | 1797 | runtime->hw = snd_mychip_capture_hw; |
1806 | // more hardware-initialization will be done here | 1798 | // more hardware-initialization will be done here |
@@ -1808,33 +1800,33 @@ | |||
1808 | } | 1800 | } |
1809 | 1801 | ||
1810 | /* close callback */ | 1802 | /* close callback */ |
1811 | static int snd_mychip_capture_close(snd_pcm_substream_t *substream) | 1803 | static int snd_mychip_capture_close(struct snd_pcm_substream *substream) |
1812 | { | 1804 | { |
1813 | mychip_t *chip = snd_pcm_substream_chip(substream); | 1805 | struct mychip *chip = snd_pcm_substream_chip(substream); |
1814 | // the hardware-specific codes will be here | 1806 | // the hardware-specific codes will be here |
1815 | return 0; | 1807 | return 0; |
1816 | 1808 | ||
1817 | } | 1809 | } |
1818 | 1810 | ||
1819 | /* hw_params callback */ | 1811 | /* hw_params callback */ |
1820 | static int snd_mychip_pcm_hw_params(snd_pcm_substream_t *substream, | 1812 | static int snd_mychip_pcm_hw_params(struct snd_pcm_substream *substream, |
1821 | snd_pcm_hw_params_t * hw_params) | 1813 | struct snd_pcm_hw_params *hw_params) |
1822 | { | 1814 | { |
1823 | return snd_pcm_lib_malloc_pages(substream, | 1815 | return snd_pcm_lib_malloc_pages(substream, |
1824 | params_buffer_bytes(hw_params)); | 1816 | params_buffer_bytes(hw_params)); |
1825 | } | 1817 | } |
1826 | 1818 | ||
1827 | /* hw_free callback */ | 1819 | /* hw_free callback */ |
1828 | static int snd_mychip_pcm_hw_free(snd_pcm_substream_t *substream) | 1820 | static int snd_mychip_pcm_hw_free(struct snd_pcm_substream *substream) |
1829 | { | 1821 | { |
1830 | return snd_pcm_lib_free_pages(substream); | 1822 | return snd_pcm_lib_free_pages(substream); |
1831 | } | 1823 | } |
1832 | 1824 | ||
1833 | /* prepare callback */ | 1825 | /* prepare callback */ |
1834 | static int snd_mychip_pcm_prepare(snd_pcm_substream_t *substream) | 1826 | static int snd_mychip_pcm_prepare(struct snd_pcm_substream *substream) |
1835 | { | 1827 | { |
1836 | mychip_t *chip = snd_pcm_substream_chip(substream); | 1828 | struct mychip *chip = snd_pcm_substream_chip(substream); |
1837 | snd_pcm_runtime_t *runtime = substream->runtime; | 1829 | struct snd_pcm_runtime *runtime = substream->runtime; |
1838 | 1830 | ||
1839 | /* set up the hardware with the current configuration | 1831 | /* set up the hardware with the current configuration |
1840 | * for example... | 1832 | * for example... |
@@ -1849,7 +1841,7 @@ | |||
1849 | } | 1841 | } |
1850 | 1842 | ||
1851 | /* trigger callback */ | 1843 | /* trigger callback */ |
1852 | static int snd_mychip_pcm_trigger(snd_pcm_substream_t *substream, | 1844 | static int snd_mychip_pcm_trigger(struct snd_pcm_substream *substream, |
1853 | int cmd) | 1845 | int cmd) |
1854 | { | 1846 | { |
1855 | switch (cmd) { | 1847 | switch (cmd) { |
@@ -1866,9 +1858,9 @@ | |||
1866 | 1858 | ||
1867 | /* pointer callback */ | 1859 | /* pointer callback */ |
1868 | static snd_pcm_uframes_t | 1860 | static snd_pcm_uframes_t |
1869 | snd_mychip_pcm_pointer(snd_pcm_substream_t *substream) | 1861 | snd_mychip_pcm_pointer(struct snd_pcm_substream *substream) |
1870 | { | 1862 | { |
1871 | mychip_t *chip = snd_pcm_substream_chip(substream); | 1863 | struct mychip *chip = snd_pcm_substream_chip(substream); |
1872 | unsigned int current_ptr; | 1864 | unsigned int current_ptr; |
1873 | 1865 | ||
1874 | /* get the current hardware pointer */ | 1866 | /* get the current hardware pointer */ |
@@ -1877,7 +1869,7 @@ | |||
1877 | } | 1869 | } |
1878 | 1870 | ||
1879 | /* operators */ | 1871 | /* operators */ |
1880 | static snd_pcm_ops_t snd_mychip_playback_ops = { | 1872 | static struct snd_pcm_ops snd_mychip_playback_ops = { |
1881 | .open = snd_mychip_playback_open, | 1873 | .open = snd_mychip_playback_open, |
1882 | .close = snd_mychip_playback_close, | 1874 | .close = snd_mychip_playback_close, |
1883 | .ioctl = snd_pcm_lib_ioctl, | 1875 | .ioctl = snd_pcm_lib_ioctl, |
@@ -1889,7 +1881,7 @@ | |||
1889 | }; | 1881 | }; |
1890 | 1882 | ||
1891 | /* operators */ | 1883 | /* operators */ |
1892 | static snd_pcm_ops_t snd_mychip_capture_ops = { | 1884 | static struct snd_pcm_ops snd_mychip_capture_ops = { |
1893 | .open = snd_mychip_capture_open, | 1885 | .open = snd_mychip_capture_open, |
1894 | .close = snd_mychip_capture_close, | 1886 | .close = snd_mychip_capture_close, |
1895 | .ioctl = snd_pcm_lib_ioctl, | 1887 | .ioctl = snd_pcm_lib_ioctl, |
@@ -1905,9 +1897,9 @@ | |||
1905 | */ | 1897 | */ |
1906 | 1898 | ||
1907 | /* create a pcm device */ | 1899 | /* create a pcm device */ |
1908 | static int __devinit snd_mychip_new_pcm(mychip_t *chip) | 1900 | static int __devinit snd_mychip_new_pcm(struct mychip *chip) |
1909 | { | 1901 | { |
1910 | snd_pcm_t *pcm; | 1902 | struct snd_pcm *pcm; |
1911 | int err; | 1903 | int err; |
1912 | 1904 | ||
1913 | if ((err = snd_pcm_new(chip->card, "My Chip", 0, 1, 1, | 1905 | if ((err = snd_pcm_new(chip->card, "My Chip", 0, 1, 1, |
@@ -1944,9 +1936,9 @@ | |||
1944 | <informalexample> | 1936 | <informalexample> |
1945 | <programlisting> | 1937 | <programlisting> |
1946 | <![CDATA[ | 1938 | <![CDATA[ |
1947 | static int __devinit snd_mychip_new_pcm(mychip_t *chip) | 1939 | static int __devinit snd_mychip_new_pcm(struct mychip *chip) |
1948 | { | 1940 | { |
1949 | snd_pcm_t *pcm; | 1941 | struct snd_pcm *pcm; |
1950 | int err; | 1942 | int err; |
1951 | 1943 | ||
1952 | if ((err = snd_pcm_new(chip->card, "My Chip", 0, 1, 1, | 1944 | if ((err = snd_pcm_new(chip->card, "My Chip", 0, 1, 1, |
@@ -1989,13 +1981,13 @@ | |||
1989 | specify more numbers, but they must be handled properly in | 1981 | specify more numbers, but they must be handled properly in |
1990 | open/close, etc. callbacks. When you need to know which | 1982 | open/close, etc. callbacks. When you need to know which |
1991 | substream you are referring to, then it can be obtained from | 1983 | substream you are referring to, then it can be obtained from |
1992 | <type>snd_pcm_substream_t</type> data passed to each callback | 1984 | struct <structname>snd_pcm_substream</structname> data passed to each callback |
1993 | as follows: | 1985 | as follows: |
1994 | 1986 | ||
1995 | <informalexample> | 1987 | <informalexample> |
1996 | <programlisting> | 1988 | <programlisting> |
1997 | <![CDATA[ | 1989 | <![CDATA[ |
1998 | snd_pcm_substream_t *substream; | 1990 | struct snd_pcm_substream *substream; |
1999 | int index = substream->number; | 1991 | int index = substream->number; |
2000 | ]]> | 1992 | ]]> |
2001 | </programlisting> | 1993 | </programlisting> |
@@ -2024,7 +2016,7 @@ | |||
2024 | <informalexample> | 2016 | <informalexample> |
2025 | <programlisting> | 2017 | <programlisting> |
2026 | <![CDATA[ | 2018 | <![CDATA[ |
2027 | static snd_pcm_ops_t snd_mychip_playback_ops = { | 2019 | static struct snd_pcm_ops snd_mychip_playback_ops = { |
2028 | .open = snd_mychip_pcm_open, | 2020 | .open = snd_mychip_pcm_open, |
2029 | .close = snd_mychip_pcm_close, | 2021 | .close = snd_mychip_pcm_close, |
2030 | .ioctl = snd_pcm_lib_ioctl, | 2022 | .ioctl = snd_pcm_lib_ioctl, |
@@ -2102,18 +2094,18 @@ | |||
2102 | <title>PCM Instance with a Destructor</title> | 2094 | <title>PCM Instance with a Destructor</title> |
2103 | <programlisting> | 2095 | <programlisting> |
2104 | <![CDATA[ | 2096 | <![CDATA[ |
2105 | static void mychip_pcm_free(snd_pcm_t *pcm) | 2097 | static void mychip_pcm_free(struct snd_pcm *pcm) |
2106 | { | 2098 | { |
2107 | mychip_t *chip = snd_pcm_chip(pcm); | 2099 | struct mychip *chip = snd_pcm_chip(pcm); |
2108 | /* free your own data */ | 2100 | /* free your own data */ |
2109 | kfree(chip->my_private_pcm_data); | 2101 | kfree(chip->my_private_pcm_data); |
2110 | // do what you like else | 2102 | // do what you like else |
2111 | .... | 2103 | .... |
2112 | } | 2104 | } |
2113 | 2105 | ||
2114 | static int __devinit snd_mychip_new_pcm(mychip_t *chip) | 2106 | static int __devinit snd_mychip_new_pcm(struct mychip *chip) |
2115 | { | 2107 | { |
2116 | snd_pcm_t *pcm; | 2108 | struct snd_pcm *pcm; |
2117 | .... | 2109 | .... |
2118 | /* allocate your own data */ | 2110 | /* allocate your own data */ |
2119 | chip->my_private_pcm_data = kmalloc(...); | 2111 | chip->my_private_pcm_data = kmalloc(...); |
@@ -2149,7 +2141,7 @@ | |||
2149 | <![CDATA[ | 2141 | <![CDATA[ |
2150 | struct _snd_pcm_runtime { | 2142 | struct _snd_pcm_runtime { |
2151 | /* -- Status -- */ | 2143 | /* -- Status -- */ |
2152 | snd_pcm_substream_t *trigger_master; | 2144 | struct snd_pcm_substream *trigger_master; |
2153 | snd_timestamp_t trigger_tstamp; /* trigger timestamp */ | 2145 | snd_timestamp_t trigger_tstamp; /* trigger timestamp */ |
2154 | int overrange; | 2146 | int overrange; |
2155 | snd_pcm_uframes_t avail_max; | 2147 | snd_pcm_uframes_t avail_max; |
@@ -2192,8 +2184,8 @@ struct _snd_pcm_runtime { | |||
2192 | snd_pcm_sync_id_t sync; /* hardware synchronization ID */ | 2184 | snd_pcm_sync_id_t sync; /* hardware synchronization ID */ |
2193 | 2185 | ||
2194 | /* -- mmap -- */ | 2186 | /* -- mmap -- */ |
2195 | volatile snd_pcm_mmap_status_t *status; | 2187 | volatile struct snd_pcm_mmap_status *status; |
2196 | volatile snd_pcm_mmap_control_t *control; | 2188 | volatile struct snd_pcm_mmap_control *control; |
2197 | atomic_t mmap_count; | 2189 | atomic_t mmap_count; |
2198 | 2190 | ||
2199 | /* -- locking / scheduling -- */ | 2191 | /* -- locking / scheduling -- */ |
@@ -2204,15 +2196,15 @@ struct _snd_pcm_runtime { | |||
2204 | 2196 | ||
2205 | /* -- private section -- */ | 2197 | /* -- private section -- */ |
2206 | void *private_data; | 2198 | void *private_data; |
2207 | void (*private_free)(snd_pcm_runtime_t *runtime); | 2199 | void (*private_free)(struct snd_pcm_runtime *runtime); |
2208 | 2200 | ||
2209 | /* -- hardware description -- */ | 2201 | /* -- hardware description -- */ |
2210 | snd_pcm_hardware_t hw; | 2202 | struct snd_pcm_hardware hw; |
2211 | snd_pcm_hw_constraints_t hw_constraints; | 2203 | struct snd_pcm_hw_constraints hw_constraints; |
2212 | 2204 | ||
2213 | /* -- interrupt callbacks -- */ | 2205 | /* -- interrupt callbacks -- */ |
2214 | void (*transfer_ack_begin)(snd_pcm_substream_t *substream); | 2206 | void (*transfer_ack_begin)(struct snd_pcm_substream *substream); |
2215 | void (*transfer_ack_end)(snd_pcm_substream_t *substream); | 2207 | void (*transfer_ack_end)(struct snd_pcm_substream *substream); |
2216 | 2208 | ||
2217 | /* -- timer -- */ | 2209 | /* -- timer -- */ |
2218 | unsigned int timer_resolution; /* timer resolution */ | 2210 | unsigned int timer_resolution; /* timer resolution */ |
@@ -2226,7 +2218,7 @@ struct _snd_pcm_runtime { | |||
2226 | 2218 | ||
2227 | #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) | 2219 | #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE) |
2228 | /* -- OSS things -- */ | 2220 | /* -- OSS things -- */ |
2229 | snd_pcm_oss_runtime_t oss; | 2221 | struct snd_pcm_oss_runtime oss; |
2230 | #endif | 2222 | #endif |
2231 | }; | 2223 | }; |
2232 | ]]> | 2224 | ]]> |
@@ -2252,7 +2244,7 @@ struct _snd_pcm_runtime { | |||
2252 | <section id="pcm-interface-runtime-hw"> | 2244 | <section id="pcm-interface-runtime-hw"> |
2253 | <title>Hardware Description</title> | 2245 | <title>Hardware Description</title> |
2254 | <para> | 2246 | <para> |
2255 | The hardware descriptor (<type>snd_pcm_hardware_t</type>) | 2247 | The hardware descriptor (struct <structname>snd_pcm_hardware</structname>) |
2256 | contains the definitions of the fundamental hardware | 2248 | contains the definitions of the fundamental hardware |
2257 | configuration. Above all, you'll need to define this in | 2249 | configuration. Above all, you'll need to define this in |
2258 | <link linkend="pcm-interface-operators-open-callback"><citetitle> | 2250 | <link linkend="pcm-interface-operators-open-callback"><citetitle> |
@@ -2267,7 +2259,7 @@ struct _snd_pcm_runtime { | |||
2267 | <informalexample> | 2259 | <informalexample> |
2268 | <programlisting> | 2260 | <programlisting> |
2269 | <![CDATA[ | 2261 | <![CDATA[ |
2270 | snd_pcm_runtime_t *runtime = substream->runtime; | 2262 | struct snd_pcm_runtime *runtime = substream->runtime; |
2271 | ... | 2263 | ... |
2272 | runtime->hw = snd_mychip_playback_hw; /* common definition */ | 2264 | runtime->hw = snd_mychip_playback_hw; /* common definition */ |
2273 | if (chip->model == VERY_OLD_ONE) | 2265 | if (chip->model == VERY_OLD_ONE) |
@@ -2282,7 +2274,7 @@ struct _snd_pcm_runtime { | |||
2282 | <informalexample> | 2274 | <informalexample> |
2283 | <programlisting> | 2275 | <programlisting> |
2284 | <![CDATA[ | 2276 | <![CDATA[ |
2285 | static snd_pcm_hardware_t snd_mychip_playback_hw = { | 2277 | static struct snd_pcm_hardware snd_mychip_playback_hw = { |
2286 | .info = (SNDRV_PCM_INFO_MMAP | | 2278 | .info = (SNDRV_PCM_INFO_MMAP | |
2287 | SNDRV_PCM_INFO_INTERLEAVED | | 2279 | SNDRV_PCM_INFO_INTERLEAVED | |
2288 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 2280 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
@@ -2337,9 +2329,14 @@ struct _snd_pcm_runtime { | |||
2337 | <constant>PAUSE</constant> bit means that the pcm supports the | 2329 | <constant>PAUSE</constant> bit means that the pcm supports the |
2338 | <quote>pause</quote> operation, while the | 2330 | <quote>pause</quote> operation, while the |
2339 | <constant>RESUME</constant> bit means that the pcm supports | 2331 | <constant>RESUME</constant> bit means that the pcm supports |
2340 | the <quote>suspend/resume</quote> operation. If these flags | 2332 | the full <quote>suspend/resume</quote> operation. |
2341 | are set, the <structfield>trigger</structfield> callback below | 2333 | If <constant>PAUSE</constant> flag is set, |
2342 | must handle the corresponding commands. | 2334 | the <structfield>trigger</structfield> callback below |
2335 | must handle the corresponding (pause push/release) commands. | ||
2336 | The suspend/resume trigger commands can be defined even without | ||
2337 | <constant>RESUME</constant> flag. See <link | ||
2338 | linkend="power-management"><citetitle> | ||
2339 | Power Management</citetitle></link> section for details. | ||
2343 | </para> | 2340 | </para> |
2344 | 2341 | ||
2345 | <para> | 2342 | <para> |
@@ -2512,7 +2509,7 @@ struct _snd_pcm_runtime { | |||
2512 | <title>Running Status</title> | 2509 | <title>Running Status</title> |
2513 | <para> | 2510 | <para> |
2514 | The running status can be referred via <constant>runtime->status</constant>. | 2511 | The running status can be referred via <constant>runtime->status</constant>. |
2515 | This is the pointer to <type>snd_pcm_mmap_status_t</type> | 2512 | This is the pointer to struct <structname>snd_pcm_mmap_status</structname> |
2516 | record. For example, you can get the current DMA hardware | 2513 | record. For example, you can get the current DMA hardware |
2517 | pointer via <constant>runtime->status->hw_ptr</constant>. | 2514 | pointer via <constant>runtime->status->hw_ptr</constant>. |
2518 | </para> | 2515 | </para> |
@@ -2520,7 +2517,7 @@ struct _snd_pcm_runtime { | |||
2520 | <para> | 2517 | <para> |
2521 | The DMA application pointer can be referred via | 2518 | The DMA application pointer can be referred via |
2522 | <constant>runtime->control</constant>, which points | 2519 | <constant>runtime->control</constant>, which points |
2523 | <type>snd_pcm_mmap_control_t</type> record. | 2520 | struct <structname>snd_pcm_mmap_control</structname> record. |
2524 | However, accessing directly to this value is not recommended. | 2521 | However, accessing directly to this value is not recommended. |
2525 | </para> | 2522 | </para> |
2526 | </section> | 2523 | </section> |
@@ -2542,9 +2539,9 @@ struct _snd_pcm_runtime { | |||
2542 | <informalexample> | 2539 | <informalexample> |
2543 | <programlisting> | 2540 | <programlisting> |
2544 | <![CDATA[ | 2541 | <![CDATA[ |
2545 | static int snd_xxx_open(snd_pcm_substream_t *substream) | 2542 | static int snd_xxx_open(struct snd_pcm_substream *substream) |
2546 | { | 2543 | { |
2547 | my_pcm_data_t *data; | 2544 | struct my_pcm_data *data; |
2548 | .... | 2545 | .... |
2549 | data = kmalloc(sizeof(*data), GFP_KERNEL); | 2546 | data = kmalloc(sizeof(*data), GFP_KERNEL); |
2550 | substream->runtime->private_data = data; | 2547 | substream->runtime->private_data = data; |
@@ -2586,7 +2583,7 @@ struct _snd_pcm_runtime { | |||
2586 | 2583 | ||
2587 | <para> | 2584 | <para> |
2588 | The callback function takes at least the argument with | 2585 | The callback function takes at least the argument with |
2589 | <type>snd_pcm_substream_t</type> pointer. For retrieving the | 2586 | <structname>snd_pcm_substream</structname> pointer. For retrieving the |
2590 | chip record from the given substream instance, you can use the | 2587 | chip record from the given substream instance, you can use the |
2591 | following macro. | 2588 | following macro. |
2592 | 2589 | ||
@@ -2594,7 +2591,7 @@ struct _snd_pcm_runtime { | |||
2594 | <programlisting> | 2591 | <programlisting> |
2595 | <![CDATA[ | 2592 | <![CDATA[ |
2596 | int xxx() { | 2593 | int xxx() { |
2597 | mychip_t *chip = snd_pcm_substream_chip(substream); | 2594 | struct mychip *chip = snd_pcm_substream_chip(substream); |
2598 | .... | 2595 | .... |
2599 | } | 2596 | } |
2600 | ]]> | 2597 | ]]> |
@@ -2616,7 +2613,7 @@ struct _snd_pcm_runtime { | |||
2616 | <informalexample> | 2613 | <informalexample> |
2617 | <programlisting> | 2614 | <programlisting> |
2618 | <![CDATA[ | 2615 | <![CDATA[ |
2619 | static int snd_xxx_open(snd_pcm_substream_t *substream); | 2616 | static int snd_xxx_open(struct snd_pcm_substream *substream); |
2620 | ]]> | 2617 | ]]> |
2621 | </programlisting> | 2618 | </programlisting> |
2622 | </informalexample> | 2619 | </informalexample> |
@@ -2631,10 +2628,10 @@ struct _snd_pcm_runtime { | |||
2631 | <informalexample> | 2628 | <informalexample> |
2632 | <programlisting> | 2629 | <programlisting> |
2633 | <![CDATA[ | 2630 | <![CDATA[ |
2634 | static int snd_xxx_open(snd_pcm_substream_t *substream) | 2631 | static int snd_xxx_open(struct snd_pcm_substream *substream) |
2635 | { | 2632 | { |
2636 | mychip_t *chip = snd_pcm_substream_chip(substream); | 2633 | struct mychip *chip = snd_pcm_substream_chip(substream); |
2637 | snd_pcm_runtime_t *runtime = substream->runtime; | 2634 | struct snd_pcm_runtime *runtime = substream->runtime; |
2638 | 2635 | ||
2639 | runtime->hw = snd_mychip_playback_hw; | 2636 | runtime->hw = snd_mychip_playback_hw; |
2640 | return 0; | 2637 | return 0; |
@@ -2667,7 +2664,7 @@ struct _snd_pcm_runtime { | |||
2667 | <informalexample> | 2664 | <informalexample> |
2668 | <programlisting> | 2665 | <programlisting> |
2669 | <![CDATA[ | 2666 | <![CDATA[ |
2670 | static int snd_xxx_close(snd_pcm_substream_t *substream); | 2667 | static int snd_xxx_close(struct snd_pcm_substream *substream); |
2671 | ]]> | 2668 | ]]> |
2672 | </programlisting> | 2669 | </programlisting> |
2673 | </informalexample> | 2670 | </informalexample> |
@@ -2682,7 +2679,7 @@ struct _snd_pcm_runtime { | |||
2682 | <informalexample> | 2679 | <informalexample> |
2683 | <programlisting> | 2680 | <programlisting> |
2684 | <![CDATA[ | 2681 | <![CDATA[ |
2685 | static int snd_xxx_close(snd_pcm_substream_t *substream) | 2682 | static int snd_xxx_close(struct snd_pcm_substream *substream) |
2686 | { | 2683 | { |
2687 | .... | 2684 | .... |
2688 | kfree(substream->runtime->private_data); | 2685 | kfree(substream->runtime->private_data); |
@@ -2709,8 +2706,8 @@ struct _snd_pcm_runtime { | |||
2709 | <informalexample> | 2706 | <informalexample> |
2710 | <programlisting> | 2707 | <programlisting> |
2711 | <![CDATA[ | 2708 | <![CDATA[ |
2712 | static int snd_xxx_hw_params(snd_pcm_substream_t * substream, | 2709 | static int snd_xxx_hw_params(struct snd_pcm_substream *substream, |
2713 | snd_pcm_hw_params_t * hw_params); | 2710 | struct snd_pcm_hw_params *hw_params); |
2714 | ]]> | 2711 | ]]> |
2715 | </programlisting> | 2712 | </programlisting> |
2716 | </informalexample> | 2713 | </informalexample> |
@@ -2785,7 +2782,7 @@ struct _snd_pcm_runtime { | |||
2785 | <informalexample> | 2782 | <informalexample> |
2786 | <programlisting> | 2783 | <programlisting> |
2787 | <![CDATA[ | 2784 | <![CDATA[ |
2788 | static int snd_xxx_hw_free(snd_pcm_substream_t * substream); | 2785 | static int snd_xxx_hw_free(struct snd_pcm_substream *substream); |
2789 | ]]> | 2786 | ]]> |
2790 | </programlisting> | 2787 | </programlisting> |
2791 | </informalexample> | 2788 | </informalexample> |
@@ -2820,7 +2817,7 @@ struct _snd_pcm_runtime { | |||
2820 | <informalexample> | 2817 | <informalexample> |
2821 | <programlisting> | 2818 | <programlisting> |
2822 | <![CDATA[ | 2819 | <![CDATA[ |
2823 | static int snd_xxx_prepare(snd_pcm_substream_t * substream); | 2820 | static int snd_xxx_prepare(struct snd_pcm_substream *substream); |
2824 | ]]> | 2821 | ]]> |
2825 | </programlisting> | 2822 | </programlisting> |
2826 | </informalexample> | 2823 | </informalexample> |
@@ -2869,7 +2866,7 @@ struct _snd_pcm_runtime { | |||
2869 | <informalexample> | 2866 | <informalexample> |
2870 | <programlisting> | 2867 | <programlisting> |
2871 | <![CDATA[ | 2868 | <![CDATA[ |
2872 | static int snd_xxx_trigger(snd_pcm_substream_t * substream, int cmd); | 2869 | static int snd_xxx_trigger(struct snd_pcm_substream *substream, int cmd); |
2873 | ]]> | 2870 | ]]> |
2874 | </programlisting> | 2871 | </programlisting> |
2875 | </informalexample> | 2872 | </informalexample> |
@@ -2911,8 +2908,8 @@ struct _snd_pcm_runtime { | |||
2911 | </para> | 2908 | </para> |
2912 | 2909 | ||
2913 | <para> | 2910 | <para> |
2914 | When the pcm supports the suspend/resume operation | 2911 | When the pcm supports the suspend/resume operation, |
2915 | (i.e. <constant>SNDRV_PCM_INFO_RESUME</constant> flag is set), | 2912 | regardless of full or partial suspend/resume support, |
2916 | <constant>SUSPEND</constant> and <constant>RESUME</constant> | 2913 | <constant>SUSPEND</constant> and <constant>RESUME</constant> |
2917 | commands must be handled, too. | 2914 | commands must be handled, too. |
2918 | These commands are issued when the power-management status is | 2915 | These commands are issued when the power-management status is |
@@ -2921,6 +2918,8 @@ struct _snd_pcm_runtime { | |||
2921 | do suspend and resume of the pcm substream, and usually, they | 2918 | do suspend and resume of the pcm substream, and usually, they |
2922 | are identical with <constant>STOP</constant> and | 2919 | are identical with <constant>STOP</constant> and |
2923 | <constant>START</constant> commands, respectively. | 2920 | <constant>START</constant> commands, respectively. |
2921 | See <link linkend="power-management"><citetitle> | ||
2922 | Power Management</citetitle></link> section for details. | ||
2924 | </para> | 2923 | </para> |
2925 | 2924 | ||
2926 | <para> | 2925 | <para> |
@@ -2939,7 +2938,7 @@ struct _snd_pcm_runtime { | |||
2939 | <informalexample> | 2938 | <informalexample> |
2940 | <programlisting> | 2939 | <programlisting> |
2941 | <![CDATA[ | 2940 | <![CDATA[ |
2942 | static snd_pcm_uframes_t snd_xxx_pointer(snd_pcm_substream_t * substream) | 2941 | static snd_pcm_uframes_t snd_xxx_pointer(struct snd_pcm_substream *substream) |
2943 | ]]> | 2942 | ]]> |
2944 | </programlisting> | 2943 | </programlisting> |
2945 | </informalexample> | 2944 | </informalexample> |
@@ -3067,7 +3066,7 @@ struct _snd_pcm_runtime { | |||
3067 | static irqreturn_t snd_mychip_interrupt(int irq, void *dev_id, | 3066 | static irqreturn_t snd_mychip_interrupt(int irq, void *dev_id, |
3068 | struct pt_regs *regs) | 3067 | struct pt_regs *regs) |
3069 | { | 3068 | { |
3070 | mychip_t *chip = dev_id; | 3069 | struct mychip *chip = dev_id; |
3071 | spin_lock(&chip->lock); | 3070 | spin_lock(&chip->lock); |
3072 | .... | 3071 | .... |
3073 | if (pcm_irq_invoked(chip)) { | 3072 | if (pcm_irq_invoked(chip)) { |
@@ -3111,7 +3110,7 @@ struct _snd_pcm_runtime { | |||
3111 | static irqreturn_t snd_mychip_interrupt(int irq, void *dev_id, | 3110 | static irqreturn_t snd_mychip_interrupt(int irq, void *dev_id, |
3112 | struct pt_regs *regs) | 3111 | struct pt_regs *regs) |
3113 | { | 3112 | { |
3114 | mychip_t *chip = dev_id; | 3113 | struct mychip *chip = dev_id; |
3115 | spin_lock(&chip->lock); | 3114 | spin_lock(&chip->lock); |
3116 | .... | 3115 | .... |
3117 | if (pcm_irq_invoked(chip)) { | 3116 | if (pcm_irq_invoked(chip)) { |
@@ -3221,13 +3220,13 @@ struct _snd_pcm_runtime { | |||
3221 | <![CDATA[ | 3220 | <![CDATA[ |
3222 | static unsigned int rates[] = | 3221 | static unsigned int rates[] = |
3223 | {4000, 10000, 22050, 44100}; | 3222 | {4000, 10000, 22050, 44100}; |
3224 | static snd_pcm_hw_constraint_list_t constraints_rates = { | 3223 | static struct snd_pcm_hw_constraint_list constraints_rates = { |
3225 | .count = ARRAY_SIZE(rates), | 3224 | .count = ARRAY_SIZE(rates), |
3226 | .list = rates, | 3225 | .list = rates, |
3227 | .mask = 0, | 3226 | .mask = 0, |
3228 | }; | 3227 | }; |
3229 | 3228 | ||
3230 | static int snd_mychip_pcm_open(snd_pcm_substream_t *substream) | 3229 | static int snd_mychip_pcm_open(struct snd_pcm_substream *substream) |
3231 | { | 3230 | { |
3232 | int err; | 3231 | int err; |
3233 | .... | 3232 | .... |
@@ -3249,19 +3248,20 @@ struct _snd_pcm_runtime { | |||
3249 | You can even define your own constraint rules. | 3248 | You can even define your own constraint rules. |
3250 | For example, let's suppose my_chip can manage a substream of 1 channel | 3249 | For example, let's suppose my_chip can manage a substream of 1 channel |
3251 | if and only if the format is S16_LE, otherwise it supports any format | 3250 | if and only if the format is S16_LE, otherwise it supports any format |
3252 | specified in the <type>snd_pcm_hardware_t</type> stucture (or in any | 3251 | specified in the <structname>snd_pcm_hardware</structname> stucture (or in any |
3253 | other constraint_list). You can build a rule like this: | 3252 | other constraint_list). You can build a rule like this: |
3254 | 3253 | ||
3255 | <example> | 3254 | <example> |
3256 | <title>Example of Hardware Constraints for Channels</title> | 3255 | <title>Example of Hardware Constraints for Channels</title> |
3257 | <programlisting> | 3256 | <programlisting> |
3258 | <![CDATA[ | 3257 | <![CDATA[ |
3259 | static int hw_rule_format_by_channels(snd_pcm_hw_params_t *params, | 3258 | static int hw_rule_format_by_channels(struct snd_pcm_hw_params *params, |
3260 | snd_pcm_hw_rule_t *rule) | 3259 | struct snd_pcm_hw_rule *rule) |
3261 | { | 3260 | { |
3262 | snd_interval_t *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); | 3261 | struct snd_interval *c = hw_param_interval(params, |
3263 | snd_mask_t *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | 3262 | SNDRV_PCM_HW_PARAM_CHANNELS); |
3264 | snd_mask_t fmt; | 3263 | struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
3264 | struct snd_mask fmt; | ||
3265 | 3265 | ||
3266 | snd_mask_any(&fmt); /* Init the struct */ | 3266 | snd_mask_any(&fmt); /* Init the struct */ |
3267 | if (c->min < 2) { | 3267 | if (c->min < 2) { |
@@ -3298,12 +3298,13 @@ struct _snd_pcm_runtime { | |||
3298 | <title>Example of Hardware Constraints for Channels</title> | 3298 | <title>Example of Hardware Constraints for Channels</title> |
3299 | <programlisting> | 3299 | <programlisting> |
3300 | <![CDATA[ | 3300 | <![CDATA[ |
3301 | static int hw_rule_channels_by_format(snd_pcm_hw_params_t *params, | 3301 | static int hw_rule_channels_by_format(struct snd_pcm_hw_params *params, |
3302 | snd_pcm_hw_rule_t *rule) | 3302 | struct snd_pcm_hw_rule *rule) |
3303 | { | 3303 | { |
3304 | snd_interval_t *c = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); | 3304 | struct snd_interval *c = hw_param_interval(params, |
3305 | snd_mask_t *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); | 3305 | SNDRV_PCM_HW_PARAM_CHANNELS); |
3306 | snd_interval_t ch; | 3306 | struct snd_mask *f = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); |
3307 | struct snd_interval ch; | ||
3307 | 3308 | ||
3308 | snd_interval_any(&ch); | 3309 | snd_interval_any(&ch); |
3309 | if (f->bits[0] == SNDRV_PCM_FMTBIT_S16_LE) { | 3310 | if (f->bits[0] == SNDRV_PCM_FMTBIT_S16_LE) { |
@@ -3376,13 +3377,13 @@ struct _snd_pcm_runtime { | |||
3376 | callbacks: <structfield>info</structfield>, | 3377 | callbacks: <structfield>info</structfield>, |
3377 | <structfield>get</structfield> and | 3378 | <structfield>get</structfield> and |
3378 | <structfield>put</structfield>. Then, define a | 3379 | <structfield>put</structfield>. Then, define a |
3379 | <type>snd_kcontrol_new_t</type> record, such as: | 3380 | struct <structname>snd_kcontrol_new</structname> record, such as: |
3380 | 3381 | ||
3381 | <example> | 3382 | <example> |
3382 | <title>Definition of a Control</title> | 3383 | <title>Definition of a Control</title> |
3383 | <programlisting> | 3384 | <programlisting> |
3384 | <![CDATA[ | 3385 | <![CDATA[ |
3385 | static snd_kcontrol_new_t my_control __devinitdata = { | 3386 | static struct snd_kcontrol_new my_control __devinitdata = { |
3386 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 3387 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
3387 | .name = "PCM Playback Switch", | 3388 | .name = "PCM Playback Switch", |
3388 | .index = 0, | 3389 | .index = 0, |
@@ -3599,7 +3600,7 @@ struct _snd_pcm_runtime { | |||
3599 | <para> | 3600 | <para> |
3600 | The <structfield>info</structfield> callback is used to get | 3601 | The <structfield>info</structfield> callback is used to get |
3601 | the detailed information of this control. This must store the | 3602 | the detailed information of this control. This must store the |
3602 | values of the given <type>snd_ctl_elem_info_t</type> | 3603 | values of the given struct <structname>snd_ctl_elem_info</structname> |
3603 | object. For example, for a boolean control with a single | 3604 | object. For example, for a boolean control with a single |
3604 | element will be: | 3605 | element will be: |
3605 | 3606 | ||
@@ -3607,8 +3608,8 @@ struct _snd_pcm_runtime { | |||
3607 | <title>Example of info callback</title> | 3608 | <title>Example of info callback</title> |
3608 | <programlisting> | 3609 | <programlisting> |
3609 | <![CDATA[ | 3610 | <![CDATA[ |
3610 | static int snd_myctl_info(snd_kcontrol_t *kcontrol, | 3611 | static int snd_myctl_info(struct snd_kcontrol *kcontrol, |
3611 | snd_ctl_elem_info_t *uinfo) | 3612 | struct snd_ctl_elem_info *uinfo) |
3612 | { | 3613 | { |
3613 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | 3614 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
3614 | uinfo->count = 1; | 3615 | uinfo->count = 1; |
@@ -3642,8 +3643,8 @@ struct _snd_pcm_runtime { | |||
3642 | <informalexample> | 3643 | <informalexample> |
3643 | <programlisting> | 3644 | <programlisting> |
3644 | <![CDATA[ | 3645 | <![CDATA[ |
3645 | static int snd_myctl_info(snd_kcontrol_t *kcontrol, | 3646 | static int snd_myctl_info(struct snd_kcontrol *kcontrol, |
3646 | snd_ctl_elem_info_t *uinfo) | 3647 | struct snd_ctl_elem_info *uinfo) |
3647 | { | 3648 | { |
3648 | static char *texts[4] = { | 3649 | static char *texts[4] = { |
3649 | "First", "Second", "Third", "Fourth" | 3650 | "First", "Second", "Third", "Fourth" |
@@ -3678,10 +3679,10 @@ struct _snd_pcm_runtime { | |||
3678 | <title>Example of get callback</title> | 3679 | <title>Example of get callback</title> |
3679 | <programlisting> | 3680 | <programlisting> |
3680 | <![CDATA[ | 3681 | <![CDATA[ |
3681 | static int snd_myctl_get(snd_kcontrol_t *kcontrol, | 3682 | static int snd_myctl_get(struct snd_kcontrol *kcontrol, |
3682 | snd_ctl_elem_value_t *ucontrol) | 3683 | struct snd_ctl_elem_value *ucontrol) |
3683 | { | 3684 | { |
3684 | mychip_t *chip = snd_kcontrol_chip(kcontrol); | 3685 | struct mychip *chip = snd_kcontrol_chip(kcontrol); |
3685 | ucontrol->value.integer.value[0] = get_some_value(chip); | 3686 | ucontrol->value.integer.value[0] = get_some_value(chip); |
3686 | return 0; | 3687 | return 0; |
3687 | } | 3688 | } |
@@ -3717,8 +3718,8 @@ struct _snd_pcm_runtime { | |||
3717 | <informalexample> | 3718 | <informalexample> |
3718 | <programlisting> | 3719 | <programlisting> |
3719 | <![CDATA[ | 3720 | <![CDATA[ |
3720 | static int snd_sbmixer_get_single(snd_kcontrol_t *kcontrol, | 3721 | static int snd_sbmixer_get_single(struct snd_kcontrol *kcontrol, |
3721 | snd_ctl_elem_value_t *ucontrol) | 3722 | struct snd_ctl_elem_value *ucontrol) |
3722 | { | 3723 | { |
3723 | int reg = kcontrol->private_value & 0xff; | 3724 | int reg = kcontrol->private_value & 0xff; |
3724 | int shift = (kcontrol->private_value >> 16) & 0xff; | 3725 | int shift = (kcontrol->private_value >> 16) & 0xff; |
@@ -3754,10 +3755,10 @@ struct _snd_pcm_runtime { | |||
3754 | <title>Example of put callback</title> | 3755 | <title>Example of put callback</title> |
3755 | <programlisting> | 3756 | <programlisting> |
3756 | <![CDATA[ | 3757 | <![CDATA[ |
3757 | static int snd_myctl_put(snd_kcontrol_t *kcontrol, | 3758 | static int snd_myctl_put(struct snd_kcontrol *kcontrol, |
3758 | snd_ctl_elem_value_t *ucontrol) | 3759 | struct snd_ctl_elem_value *ucontrol) |
3759 | { | 3760 | { |
3760 | mychip_t *chip = snd_kcontrol_chip(kcontrol); | 3761 | struct mychip *chip = snd_kcontrol_chip(kcontrol); |
3761 | int changed = 0; | 3762 | int changed = 0; |
3762 | if (chip->current_value != | 3763 | if (chip->current_value != |
3763 | ucontrol->value.integer.value[0]) { | 3764 | ucontrol->value.integer.value[0]) { |
@@ -3814,7 +3815,7 @@ struct _snd_pcm_runtime { | |||
3814 | </informalexample> | 3815 | </informalexample> |
3815 | 3816 | ||
3816 | where <parameter>my_control</parameter> is the | 3817 | where <parameter>my_control</parameter> is the |
3817 | <type>snd_kcontrol_new_t</type> object defined above, and chip | 3818 | struct <structname>snd_kcontrol_new</structname> object defined above, and chip |
3818 | is the object pointer to be passed to | 3819 | is the object pointer to be passed to |
3819 | kcontrol->private_data | 3820 | kcontrol->private_data |
3820 | which can be referred in callbacks. | 3821 | which can be referred in callbacks. |
@@ -3822,7 +3823,7 @@ struct _snd_pcm_runtime { | |||
3822 | 3823 | ||
3823 | <para> | 3824 | <para> |
3824 | <function>snd_ctl_new1()</function> allocates a new | 3825 | <function>snd_ctl_new1()</function> allocates a new |
3825 | <type>snd_kcontrol_t</type> instance (that's why the definition | 3826 | <structname>snd_kcontrol</structname> instance (that's why the definition |
3826 | of <parameter>my_control</parameter> can be with | 3827 | of <parameter>my_control</parameter> can be with |
3827 | <parameter>__devinitdata</parameter> | 3828 | <parameter>__devinitdata</parameter> |
3828 | prefix), and <function>snd_ctl_add</function> assigns the given | 3829 | prefix), and <function>snd_ctl_add</function> assigns the given |
@@ -3849,7 +3850,7 @@ struct _snd_pcm_runtime { | |||
3849 | control id pointer for the notification. The event-mask | 3850 | control id pointer for the notification. The event-mask |
3850 | specifies the types of notification, for example, in the above | 3851 | specifies the types of notification, for example, in the above |
3851 | example, the change of control values is notified. | 3852 | example, the change of control values is notified. |
3852 | The id pointer is the pointer of <type>snd_ctl_elem_id_t</type> | 3853 | The id pointer is the pointer of struct <structname>snd_ctl_elem_id</structname> |
3853 | to be notified. | 3854 | to be notified. |
3854 | You can find some examples in <filename>es1938.c</filename> or | 3855 | You can find some examples in <filename>es1938.c</filename> or |
3855 | <filename>es1968.c</filename> for hardware volume interrupts. | 3856 | <filename>es1968.c</filename> for hardware volume interrupts. |
@@ -3882,35 +3883,35 @@ struct _snd_pcm_runtime { | |||
3882 | <title>Example of AC97 Interface</title> | 3883 | <title>Example of AC97 Interface</title> |
3883 | <programlisting> | 3884 | <programlisting> |
3884 | <![CDATA[ | 3885 | <![CDATA[ |
3885 | struct snd_mychip { | 3886 | struct mychip { |
3886 | .... | 3887 | .... |
3887 | ac97_t *ac97; | 3888 | struct snd_ac97 *ac97; |
3888 | .... | 3889 | .... |
3889 | }; | 3890 | }; |
3890 | 3891 | ||
3891 | static unsigned short snd_mychip_ac97_read(ac97_t *ac97, | 3892 | static unsigned short snd_mychip_ac97_read(struct snd_ac97 *ac97, |
3892 | unsigned short reg) | 3893 | unsigned short reg) |
3893 | { | 3894 | { |
3894 | mychip_t *chip = ac97->private_data; | 3895 | struct mychip *chip = ac97->private_data; |
3895 | .... | 3896 | .... |
3896 | // read a register value here from the codec | 3897 | // read a register value here from the codec |
3897 | return the_register_value; | 3898 | return the_register_value; |
3898 | } | 3899 | } |
3899 | 3900 | ||
3900 | static void snd_mychip_ac97_write(ac97_t *ac97, | 3901 | static void snd_mychip_ac97_write(struct snd_ac97 *ac97, |
3901 | unsigned short reg, unsigned short val) | 3902 | unsigned short reg, unsigned short val) |
3902 | { | 3903 | { |
3903 | mychip_t *chip = ac97->private_data; | 3904 | struct mychip *chip = ac97->private_data; |
3904 | .... | 3905 | .... |
3905 | // write the given register value to the codec | 3906 | // write the given register value to the codec |
3906 | } | 3907 | } |
3907 | 3908 | ||
3908 | static int snd_mychip_ac97(mychip_t *chip) | 3909 | static int snd_mychip_ac97(struct mychip *chip) |
3909 | { | 3910 | { |
3910 | ac97_bus_t *bus; | 3911 | struct snd_ac97_bus *bus; |
3911 | ac97_template_t ac97; | 3912 | struct snd_ac97_template ac97; |
3912 | int err; | 3913 | int err; |
3913 | static ac97_bus_ops_t ops = { | 3914 | static struct snd_ac97_bus_ops ops = { |
3914 | .write = snd_mychip_ac97_write, | 3915 | .write = snd_mychip_ac97_write, |
3915 | .read = snd_mychip_ac97_read, | 3916 | .read = snd_mychip_ac97_read, |
3916 | }; | 3917 | }; |
@@ -3937,8 +3938,8 @@ struct _snd_pcm_runtime { | |||
3937 | <informalexample> | 3938 | <informalexample> |
3938 | <programlisting> | 3939 | <programlisting> |
3939 | <![CDATA[ | 3940 | <![CDATA[ |
3940 | ac97_bus_t *bus; | 3941 | struct snd_ac97_bus *bus; |
3941 | static ac97_bus_ops_t ops = { | 3942 | static struct snd_ac97_bus_ops ops = { |
3942 | .write = snd_mychip_ac97_write, | 3943 | .write = snd_mychip_ac97_write, |
3943 | .read = snd_mychip_ac97_read, | 3944 | .read = snd_mychip_ac97_read, |
3944 | }; | 3945 | }; |
@@ -3952,13 +3953,14 @@ struct _snd_pcm_runtime { | |||
3952 | </para> | 3953 | </para> |
3953 | 3954 | ||
3954 | <para> | 3955 | <para> |
3955 | And then call <function>snd_ac97_mixer()</function> with an <type>ac97_template_t</type> | 3956 | And then call <function>snd_ac97_mixer()</function> with an |
3957 | struct <structname>snd_ac97_template</structname> | ||
3956 | record together with the bus pointer created above. | 3958 | record together with the bus pointer created above. |
3957 | 3959 | ||
3958 | <informalexample> | 3960 | <informalexample> |
3959 | <programlisting> | 3961 | <programlisting> |
3960 | <![CDATA[ | 3962 | <![CDATA[ |
3961 | ac97_template_t ac97; | 3963 | struct snd_ac97_template ac97; |
3962 | int err; | 3964 | int err; |
3963 | 3965 | ||
3964 | memset(&ac97, 0, sizeof(ac97)); | 3966 | memset(&ac97, 0, sizeof(ac97)); |
@@ -3995,10 +3997,10 @@ struct _snd_pcm_runtime { | |||
3995 | <informalexample> | 3997 | <informalexample> |
3996 | <programlisting> | 3998 | <programlisting> |
3997 | <![CDATA[ | 3999 | <![CDATA[ |
3998 | static unsigned short snd_mychip_ac97_read(ac97_t *ac97, | 4000 | static unsigned short snd_mychip_ac97_read(struct snd_ac97 *ac97, |
3999 | unsigned short reg) | 4001 | unsigned short reg) |
4000 | { | 4002 | { |
4001 | mychip_t *chip = ac97->private_data; | 4003 | struct mychip *chip = ac97->private_data; |
4002 | .... | 4004 | .... |
4003 | return the_register_value; | 4005 | return the_register_value; |
4004 | } | 4006 | } |
@@ -4016,7 +4018,7 @@ struct _snd_pcm_runtime { | |||
4016 | <informalexample> | 4018 | <informalexample> |
4017 | <programlisting> | 4019 | <programlisting> |
4018 | <![CDATA[ | 4020 | <![CDATA[ |
4019 | static void snd_mychip_ac97_write(ac97_t *ac97, | 4021 | static void snd_mychip_ac97_write(struct snd_ac97 *ac97, |
4020 | unsigned short reg, unsigned short val) | 4022 | unsigned short reg, unsigned short val) |
4021 | ]]> | 4023 | ]]> |
4022 | </programlisting> | 4024 | </programlisting> |
@@ -4163,7 +4165,7 @@ struct _snd_pcm_runtime { | |||
4163 | <title>Multiple Codecs</title> | 4165 | <title>Multiple Codecs</title> |
4164 | <para> | 4166 | <para> |
4165 | When there are several codecs on the same card, you need to | 4167 | When there are several codecs on the same card, you need to |
4166 | call <function>snd_ac97_new()</function> multiple times with | 4168 | call <function>snd_ac97_mixer()</function> multiple times with |
4167 | ac97.num=1 or greater. The <structfield>num</structfield> field | 4169 | ac97.num=1 or greater. The <structfield>num</structfield> field |
4168 | specifies the codec | 4170 | specifies the codec |
4169 | number. | 4171 | number. |
@@ -4212,7 +4214,7 @@ struct _snd_pcm_runtime { | |||
4212 | <informalexample> | 4214 | <informalexample> |
4213 | <programlisting> | 4215 | <programlisting> |
4214 | <![CDATA[ | 4216 | <![CDATA[ |
4215 | snd_rawmidi_t *rmidi; | 4217 | struct snd_rawmidi *rmidi; |
4216 | snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port, integrated, | 4218 | snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401, port, integrated, |
4217 | irq, irq_flags, &rmidi); | 4219 | irq, irq_flags, &rmidi); |
4218 | ]]> | 4220 | ]]> |
@@ -4253,17 +4255,17 @@ struct _snd_pcm_runtime { | |||
4253 | Usually, the port address corresponds to the command port and | 4255 | Usually, the port address corresponds to the command port and |
4254 | port + 1 corresponds to the data port. If not, you may change | 4256 | port + 1 corresponds to the data port. If not, you may change |
4255 | the <structfield>cport</structfield> field of | 4257 | the <structfield>cport</structfield> field of |
4256 | <type>mpu401_t</type> manually | 4258 | struct <structname>snd_mpu401</structname> manually |
4257 | afterward. However, <type>mpu401_t</type> pointer is not | 4259 | afterward. However, <structname>snd_mpu401</structname> pointer is not |
4258 | returned explicitly by | 4260 | returned explicitly by |
4259 | <function>snd_mpu401_uart_new()</function>. You need to cast | 4261 | <function>snd_mpu401_uart_new()</function>. You need to cast |
4260 | rmidi->private_data to | 4262 | rmidi->private_data to |
4261 | <type>mpu401_t</type> explicitly, | 4263 | <structname>snd_mpu401</structname> explicitly, |
4262 | 4264 | ||
4263 | <informalexample> | 4265 | <informalexample> |
4264 | <programlisting> | 4266 | <programlisting> |
4265 | <![CDATA[ | 4267 | <![CDATA[ |
4266 | mpu401_t *mpu; | 4268 | struct snd_mpu401 *mpu; |
4267 | mpu = rmidi->private_data; | 4269 | mpu = rmidi->private_data; |
4268 | ]]> | 4270 | ]]> |
4269 | </programlisting> | 4271 | </programlisting> |
@@ -4359,7 +4361,7 @@ struct _snd_pcm_runtime { | |||
4359 | <informalexample> | 4361 | <informalexample> |
4360 | <programlisting> | 4362 | <programlisting> |
4361 | <![CDATA[ | 4363 | <![CDATA[ |
4362 | snd_rawmidi_t *rmidi; | 4364 | struct snd_rawmidi *rmidi; |
4363 | err = snd_rawmidi_new(chip->card, "MyMIDI", 0, outs, ins, &rmidi); | 4365 | err = snd_rawmidi_new(chip->card, "MyMIDI", 0, outs, ins, &rmidi); |
4364 | if (err < 0) | 4366 | if (err < 0) |
4365 | return err; | 4367 | return err; |
@@ -4419,7 +4421,7 @@ struct _snd_pcm_runtime { | |||
4419 | <informalexample> | 4421 | <informalexample> |
4420 | <programlisting> | 4422 | <programlisting> |
4421 | <![CDATA[ | 4423 | <![CDATA[ |
4422 | static snd_rawmidi_ops_t snd_mymidi_output_ops = { | 4424 | static struct snd_rawmidi_ops snd_mymidi_output_ops = { |
4423 | .open = snd_mymidi_output_open, | 4425 | .open = snd_mymidi_output_open, |
4424 | .close = snd_mymidi_output_close, | 4426 | .close = snd_mymidi_output_close, |
4425 | .trigger = snd_mymidi_output_trigger, | 4427 | .trigger = snd_mymidi_output_trigger, |
@@ -4439,9 +4441,9 @@ struct _snd_pcm_runtime { | |||
4439 | <programlisting> | 4441 | <programlisting> |
4440 | <![CDATA[ | 4442 | <![CDATA[ |
4441 | struct list_head *list; | 4443 | struct list_head *list; |
4442 | snd_rawmidi_substream_t *substream; | 4444 | struct snd_rawmidi_substream *substream; |
4443 | list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) { | 4445 | list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) { |
4444 | substream = list_entry(list, snd_rawmidi_substream_t, list); | 4446 | substream = list_entry(list, struct snd_rawmidi_substream, list); |
4445 | sprintf(substream->name, "My MIDI Port %d", substream->number + 1); | 4447 | sprintf(substream->name, "My MIDI Port %d", substream->number + 1); |
4446 | } | 4448 | } |
4447 | /* same for SNDRV_RAWMIDI_STREAM_INPUT */ | 4449 | /* same for SNDRV_RAWMIDI_STREAM_INPUT */ |
@@ -4463,12 +4465,12 @@ struct _snd_pcm_runtime { | |||
4463 | 4465 | ||
4464 | <para> | 4466 | <para> |
4465 | If there is more than one port, your callbacks can determine the | 4467 | If there is more than one port, your callbacks can determine the |
4466 | port index from the snd_rawmidi_substream_t data passed to each | 4468 | port index from the struct snd_rawmidi_substream data passed to each |
4467 | callback: | 4469 | callback: |
4468 | <informalexample> | 4470 | <informalexample> |
4469 | <programlisting> | 4471 | <programlisting> |
4470 | <![CDATA[ | 4472 | <![CDATA[ |
4471 | snd_rawmidi_substream_t *substream; | 4473 | struct snd_rawmidi_substream *substream; |
4472 | int index = substream->number; | 4474 | int index = substream->number; |
4473 | ]]> | 4475 | ]]> |
4474 | </programlisting> | 4476 | </programlisting> |
@@ -4481,7 +4483,7 @@ struct _snd_pcm_runtime { | |||
4481 | <informalexample> | 4483 | <informalexample> |
4482 | <programlisting> | 4484 | <programlisting> |
4483 | <![CDATA[ | 4485 | <![CDATA[ |
4484 | static int snd_xxx_open(snd_rawmidi_substream_t *substream); | 4486 | static int snd_xxx_open(struct snd_rawmidi_substream *substream); |
4485 | ]]> | 4487 | ]]> |
4486 | </programlisting> | 4488 | </programlisting> |
4487 | </informalexample> | 4489 | </informalexample> |
@@ -4499,7 +4501,7 @@ struct _snd_pcm_runtime { | |||
4499 | <informalexample> | 4501 | <informalexample> |
4500 | <programlisting> | 4502 | <programlisting> |
4501 | <![CDATA[ | 4503 | <![CDATA[ |
4502 | static int snd_xxx_close(snd_rawmidi_substream_t *substream); | 4504 | static int snd_xxx_close(struct snd_rawmidi_substream *substream); |
4503 | ]]> | 4505 | ]]> |
4504 | </programlisting> | 4506 | </programlisting> |
4505 | </informalexample> | 4507 | </informalexample> |
@@ -4522,7 +4524,7 @@ struct _snd_pcm_runtime { | |||
4522 | <informalexample> | 4524 | <informalexample> |
4523 | <programlisting> | 4525 | <programlisting> |
4524 | <![CDATA[ | 4526 | <![CDATA[ |
4525 | static void snd_xxx_output_trigger(snd_rawmidi_substream_t *substream, int up); | 4527 | static void snd_xxx_output_trigger(struct snd_rawmidi_substream *substream, int up); |
4526 | ]]> | 4528 | ]]> |
4527 | </programlisting> | 4529 | </programlisting> |
4528 | </informalexample> | 4530 | </informalexample> |
@@ -4547,7 +4549,7 @@ struct _snd_pcm_runtime { | |||
4547 | <![CDATA[ | 4549 | <![CDATA[ |
4548 | unsigned char data; | 4550 | unsigned char data; |
4549 | while (snd_rawmidi_transmit_peek(substream, &data, 1) == 1) { | 4551 | while (snd_rawmidi_transmit_peek(substream, &data, 1) == 1) { |
4550 | if (mychip_try_to_transmit(data)) | 4552 | if (snd_mychip_try_to_transmit(data)) |
4551 | snd_rawmidi_transmit_ack(substream, 1); | 4553 | snd_rawmidi_transmit_ack(substream, 1); |
4552 | else | 4554 | else |
4553 | break; /* hardware FIFO full */ | 4555 | break; /* hardware FIFO full */ |
@@ -4564,11 +4566,11 @@ struct _snd_pcm_runtime { | |||
4564 | <informalexample> | 4566 | <informalexample> |
4565 | <programlisting> | 4567 | <programlisting> |
4566 | <![CDATA[ | 4568 | <![CDATA[ |
4567 | while (mychip_transmit_possible()) { | 4569 | while (snd_mychip_transmit_possible()) { |
4568 | unsigned char data; | 4570 | unsigned char data; |
4569 | if (snd_rawmidi_transmit(substream, &data, 1) != 1) | 4571 | if (snd_rawmidi_transmit(substream, &data, 1) != 1) |
4570 | break; /* no more data */ | 4572 | break; /* no more data */ |
4571 | mychip_transmit(data); | 4573 | snd_mychip_transmit(data); |
4572 | } | 4574 | } |
4573 | ]]> | 4575 | ]]> |
4574 | </programlisting> | 4576 | </programlisting> |
@@ -4603,7 +4605,7 @@ struct _snd_pcm_runtime { | |||
4603 | <informalexample> | 4605 | <informalexample> |
4604 | <programlisting> | 4606 | <programlisting> |
4605 | <![CDATA[ | 4607 | <![CDATA[ |
4606 | static void snd_xxx_input_trigger(snd_rawmidi_substream_t *substream, int up); | 4608 | static void snd_xxx_input_trigger(struct snd_rawmidi_substream *substream, int up); |
4607 | ]]> | 4609 | ]]> |
4608 | </programlisting> | 4610 | </programlisting> |
4609 | </informalexample> | 4611 | </informalexample> |
@@ -4647,7 +4649,7 @@ struct _snd_pcm_runtime { | |||
4647 | <informalexample> | 4649 | <informalexample> |
4648 | <programlisting> | 4650 | <programlisting> |
4649 | <![CDATA[ | 4651 | <![CDATA[ |
4650 | static void snd_xxx_drain(snd_rawmidi_substream_t *substream); | 4652 | static void snd_xxx_drain(struct snd_rawmidi_substream *substream); |
4651 | ]]> | 4653 | ]]> |
4652 | </programlisting> | 4654 | </programlisting> |
4653 | </informalexample> | 4655 | </informalexample> |
@@ -4661,7 +4663,7 @@ struct _snd_pcm_runtime { | |||
4661 | 4663 | ||
4662 | <para> | 4664 | <para> |
4663 | This callback is optional. If you do not set | 4665 | This callback is optional. If you do not set |
4664 | <structfield>drain</structfield> in the snd_rawmidi_ops_t | 4666 | <structfield>drain</structfield> in the struct snd_rawmidi_ops |
4665 | structure, ALSA will simply wait for 50 milliseconds | 4667 | structure, ALSA will simply wait for 50 milliseconds |
4666 | instead. | 4668 | instead. |
4667 | </para> | 4669 | </para> |
@@ -4703,7 +4705,7 @@ struct _snd_pcm_runtime { | |||
4703 | <informalexample> | 4705 | <informalexample> |
4704 | <programlisting> | 4706 | <programlisting> |
4705 | <![CDATA[ | 4707 | <![CDATA[ |
4706 | opl3_t *opl3; | 4708 | struct snd_opl3 *opl3; |
4707 | snd_opl3_create(card, lport, rport, OPL3_HW_OPL3_XXX, | 4709 | snd_opl3_create(card, lport, rport, OPL3_HW_OPL3_XXX, |
4708 | integrated, &opl3); | 4710 | integrated, &opl3); |
4709 | ]]> | 4711 | ]]> |
@@ -4736,7 +4738,7 @@ struct _snd_pcm_runtime { | |||
4736 | <informalexample> | 4738 | <informalexample> |
4737 | <programlisting> | 4739 | <programlisting> |
4738 | <![CDATA[ | 4740 | <![CDATA[ |
4739 | opl3_t *opl3; | 4741 | struct snd_opl3 *opl3; |
4740 | snd_opl3_new(card, OPL3_HW_OPL3_XXX, &opl3); | 4742 | snd_opl3_new(card, OPL3_HW_OPL3_XXX, &opl3); |
4741 | ]]> | 4743 | ]]> |
4742 | </programlisting> | 4744 | </programlisting> |
@@ -4767,7 +4769,7 @@ struct _snd_pcm_runtime { | |||
4767 | <informalexample> | 4769 | <informalexample> |
4768 | <programlisting> | 4770 | <programlisting> |
4769 | <![CDATA[ | 4771 | <![CDATA[ |
4770 | snd_hwdep_t *opl3hwdep; | 4772 | struct snd_hwdep *opl3hwdep; |
4771 | snd_opl3_hwdep_new(opl3, 0, 1, &opl3hwdep); | 4773 | snd_opl3_hwdep_new(opl3, 0, 1, &opl3hwdep); |
4772 | ]]> | 4774 | ]]> |
4773 | </programlisting> | 4775 | </programlisting> |
@@ -4804,7 +4806,7 @@ struct _snd_pcm_runtime { | |||
4804 | <informalexample> | 4806 | <informalexample> |
4805 | <programlisting> | 4807 | <programlisting> |
4806 | <![CDATA[ | 4808 | <![CDATA[ |
4807 | snd_hwdep_t *hw; | 4809 | struct snd_hwdep *hw; |
4808 | snd_hwdep_new(card, "My HWDEP", 0, &hw); | 4810 | snd_hwdep_new(card, "My HWDEP", 0, &hw); |
4809 | ]]> | 4811 | ]]> |
4810 | </programlisting> | 4812 | </programlisting> |
@@ -4823,7 +4825,7 @@ struct _snd_pcm_runtime { | |||
4823 | <informalexample> | 4825 | <informalexample> |
4824 | <programlisting> | 4826 | <programlisting> |
4825 | <![CDATA[ | 4827 | <![CDATA[ |
4826 | mydata_t *p = kmalloc(sizeof(*p), GFP_KERNEL); | 4828 | struct mydata *p = kmalloc(sizeof(*p), GFP_KERNEL); |
4827 | hw->private_data = p; | 4829 | hw->private_data = p; |
4828 | hw->private_free = mydata_free; | 4830 | hw->private_free = mydata_free; |
4829 | ]]> | 4831 | ]]> |
@@ -4835,9 +4837,9 @@ struct _snd_pcm_runtime { | |||
4835 | <informalexample> | 4837 | <informalexample> |
4836 | <programlisting> | 4838 | <programlisting> |
4837 | <![CDATA[ | 4839 | <![CDATA[ |
4838 | static void mydata_free(snd_hwdep_t *hw) | 4840 | static void mydata_free(struct snd_hwdep *hw) |
4839 | { | 4841 | { |
4840 | mydata_t *p = hw->private_data; | 4842 | struct mydata *p = hw->private_data; |
4841 | kfree(p); | 4843 | kfree(p); |
4842 | } | 4844 | } |
4843 | ]]> | 4845 | ]]> |
@@ -5061,9 +5063,9 @@ struct _snd_pcm_runtime { | |||
5061 | <informalexample> | 5063 | <informalexample> |
5062 | <programlisting> | 5064 | <programlisting> |
5063 | <![CDATA[ | 5065 | <![CDATA[ |
5064 | static int playback_copy(snd_pcm_substream_t *substream, int channel, | 5066 | static int playback_copy(struct snd_pcm_substream *substream, int channel, |
5065 | snd_pcm_uframes_t pos, void *src, snd_pcm_uframes_t count); | 5067 | snd_pcm_uframes_t pos, void *src, snd_pcm_uframes_t count); |
5066 | static int capture_copy(snd_pcm_substream_t *substream, int channel, | 5068 | static int capture_copy(struct snd_pcm_substream *substream, int channel, |
5067 | snd_pcm_uframes_t pos, void *dst, snd_pcm_uframes_t count); | 5069 | snd_pcm_uframes_t pos, void *dst, snd_pcm_uframes_t count); |
5068 | ]]> | 5070 | ]]> |
5069 | </programlisting> | 5071 | </programlisting> |
@@ -5144,7 +5146,7 @@ struct _snd_pcm_runtime { | |||
5144 | <informalexample> | 5146 | <informalexample> |
5145 | <programlisting> | 5147 | <programlisting> |
5146 | <![CDATA[ | 5148 | <![CDATA[ |
5147 | static int silence(snd_pcm_substream_t *substream, int channel, | 5149 | static int silence(struct snd_pcm_substream *substream, int channel, |
5148 | snd_pcm_uframes_t pos, snd_pcm_uframes_t count); | 5150 | snd_pcm_uframes_t pos, snd_pcm_uframes_t count); |
5149 | ]]> | 5151 | ]]> |
5150 | </programlisting> | 5152 | </programlisting> |
@@ -5211,7 +5213,7 @@ struct _snd_pcm_runtime { | |||
5211 | <informalexample> | 5213 | <informalexample> |
5212 | <programlisting> | 5214 | <programlisting> |
5213 | <![CDATA[ | 5215 | <![CDATA[ |
5214 | snd_pcm_sgbuf_t *sgbuf = (snd_pcm_sgbuf_t*)substream->dma_private; | 5216 | struct snd_sg_buf *sgbuf = (struct snd_sg_buf_t*)substream->dma_private; |
5215 | ]]> | 5217 | ]]> |
5216 | </programlisting> | 5218 | </programlisting> |
5217 | </informalexample> | 5219 | </informalexample> |
@@ -5266,7 +5268,7 @@ struct _snd_pcm_runtime { | |||
5266 | #include <linux/vmalloc.h> | 5268 | #include <linux/vmalloc.h> |
5267 | 5269 | ||
5268 | /* get the physical page pointer on the given offset */ | 5270 | /* get the physical page pointer on the given offset */ |
5269 | static struct page *mychip_page(snd_pcm_substream_t *substream, | 5271 | static struct page *mychip_page(struct snd_pcm_substream *substream, |
5270 | unsigned long offset) | 5272 | unsigned long offset) |
5271 | { | 5273 | { |
5272 | void *pageptr = substream->runtime->dma_area + offset; | 5274 | void *pageptr = substream->runtime->dma_area + offset; |
@@ -5301,7 +5303,7 @@ struct _snd_pcm_runtime { | |||
5301 | <informalexample> | 5303 | <informalexample> |
5302 | <programlisting> | 5304 | <programlisting> |
5303 | <![CDATA[ | 5305 | <![CDATA[ |
5304 | snd_info_entry_t *entry; | 5306 | struct snd_info_entry *entry; |
5305 | int err = snd_card_proc_new(card, "my-file", &entry); | 5307 | int err = snd_card_proc_new(card, "my-file", &entry); |
5306 | ]]> | 5308 | ]]> |
5307 | </programlisting> | 5309 | </programlisting> |
@@ -5345,8 +5347,8 @@ struct _snd_pcm_runtime { | |||
5345 | <informalexample> | 5347 | <informalexample> |
5346 | <programlisting> | 5348 | <programlisting> |
5347 | <![CDATA[ | 5349 | <![CDATA[ |
5348 | static void my_proc_read(snd_info_entry_t *entry, | 5350 | static void my_proc_read(struct snd_info_entry *entry, |
5349 | snd_info_buffer_t *buffer); | 5351 | struct snd_info_buffer *buffer); |
5350 | ]]> | 5352 | ]]> |
5351 | </programlisting> | 5353 | </programlisting> |
5352 | </informalexample> | 5354 | </informalexample> |
@@ -5361,10 +5363,10 @@ struct _snd_pcm_runtime { | |||
5361 | <informalexample> | 5363 | <informalexample> |
5362 | <programlisting> | 5364 | <programlisting> |
5363 | <![CDATA[ | 5365 | <![CDATA[ |
5364 | static void my_proc_read(snd_info_entry_t *entry, | 5366 | static void my_proc_read(struct snd_info_entry *entry, |
5365 | snd_info_buffer_t *buffer) | 5367 | struct snd_info_buffer *buffer) |
5366 | { | 5368 | { |
5367 | chip_t *chip = entry->private_data; | 5369 | struct my_chip *chip = entry->private_data; |
5368 | 5370 | ||
5369 | snd_iprintf(buffer, "This is my chip!\n"); | 5371 | snd_iprintf(buffer, "This is my chip!\n"); |
5370 | snd_iprintf(buffer, "Port = %ld\n", chip->port); | 5372 | snd_iprintf(buffer, "Port = %ld\n", chip->port); |
@@ -5453,7 +5455,7 @@ struct _snd_pcm_runtime { | |||
5453 | <informalexample> | 5455 | <informalexample> |
5454 | <programlisting> | 5456 | <programlisting> |
5455 | <![CDATA[ | 5457 | <![CDATA[ |
5456 | static long my_file_io_read(snd_info_entry_t *entry, | 5458 | static long my_file_io_read(struct snd_info_entry *entry, |
5457 | void *file_private_data, | 5459 | void *file_private_data, |
5458 | struct file *file, | 5460 | struct file *file, |
5459 | char *buf, | 5461 | char *buf, |
@@ -5488,22 +5490,60 @@ struct _snd_pcm_runtime { | |||
5488 | <constant>CONFIG_PM</constant>. | 5490 | <constant>CONFIG_PM</constant>. |
5489 | </para> | 5491 | </para> |
5490 | 5492 | ||
5493 | <para> | ||
5494 | If the driver supports the suspend/resume | ||
5495 | <emphasis>fully</emphasis>, that is, the device can be | ||
5496 | properly resumed to the status at the suspend is called, | ||
5497 | you can set <constant>SNDRV_PCM_INFO_RESUME</constant> flag | ||
5498 | to pcm info field. Usually, this is possible when the | ||
5499 | registers of ths chip can be safely saved and restored to the | ||
5500 | RAM. If this is set, the trigger callback is called with | ||
5501 | <constant>SNDRV_PCM_TRIGGER_RESUME</constant> after resume | ||
5502 | callback is finished. | ||
5503 | </para> | ||
5504 | |||
5505 | <para> | ||
5506 | Even if the driver doesn't support PM fully but only the | ||
5507 | partial suspend/resume is possible, it's still worthy to | ||
5508 | implement suspend/resume callbacks. In such a case, applications | ||
5509 | would reset the status by calling | ||
5510 | <function>snd_pcm_prepare()</function> and restart the stream | ||
5511 | appropriately. Hence, you can define suspend/resume callbacks | ||
5512 | below but don't set <constant>SNDRV_PCM_INFO_RESUME</constant> | ||
5513 | info flag to the PCM. | ||
5514 | </para> | ||
5515 | |||
5516 | <para> | ||
5517 | Note that the trigger with SUSPEND can be always called when | ||
5518 | <function>snd_pcm_suspend_all</function> is called, | ||
5519 | regardless of <constant>SNDRV_PCM_INFO_RESUME</constant> flag. | ||
5520 | The <constant>RESUME</constant> flag affects only the behavior | ||
5521 | of <function>snd_pcm_resume()</function>. | ||
5522 | (Thus, in theory, | ||
5523 | <constant>SNDRV_PCM_TRIGGER_RESUME</constant> isn't needed | ||
5524 | to be handled in the trigger callback when no | ||
5525 | <constant>SNDRV_PCM_INFO_RESUME</constant> flag is set. But, | ||
5526 | it's better to keep it for compatibility reason.) | ||
5527 | </para> | ||
5491 | <para> | 5528 | <para> |
5492 | ALSA provides the common power-management layer. Each card driver | 5529 | In the earlier version of ALSA drivers, a common |
5493 | needs to have only low-level suspend and resume callbacks. | 5530 | power-management layer was provided, but it has been removed. |
5531 | The driver needs to define the suspend/resume hooks according to | ||
5532 | the bus the device is assigned. In the case of PCI driver, the | ||
5533 | callbacks look like below: | ||
5494 | 5534 | ||
5495 | <informalexample> | 5535 | <informalexample> |
5496 | <programlisting> | 5536 | <programlisting> |
5497 | <![CDATA[ | 5537 | <![CDATA[ |
5498 | #ifdef CONFIG_PM | 5538 | #ifdef CONFIG_PM |
5499 | static int snd_my_suspend(snd_card_t *card, pm_message_t state) | 5539 | static int snd_my_suspend(struct pci_dev *pci, pm_message_t state) |
5500 | { | 5540 | { |
5501 | .... // do things for suspsend | 5541 | .... /* do things for suspsend */ |
5502 | return 0; | 5542 | return 0; |
5503 | } | 5543 | } |
5504 | static int snd_my_resume(snd_card_t *card) | 5544 | static int snd_my_resume(struct pci_dev *pci) |
5505 | { | 5545 | { |
5506 | .... // do things for suspsend | 5546 | .... /* do things for suspsend */ |
5507 | return 0; | 5547 | return 0; |
5508 | } | 5548 | } |
5509 | #endif | 5549 | #endif |
@@ -5516,11 +5556,18 @@ struct _snd_pcm_runtime { | |||
5516 | The scheme of the real suspend job is as following. | 5556 | The scheme of the real suspend job is as following. |
5517 | 5557 | ||
5518 | <orderedlist> | 5558 | <orderedlist> |
5519 | <listitem><para>Retrieve the chip data from pm_private_data field.</para></listitem> | 5559 | <listitem><para>Retrieve the card and the chip data.</para></listitem> |
5560 | <listitem><para>Call <function>snd_power_change_state()</function> with | ||
5561 | <constant>SNDRV_CTL_POWER_D3hot</constant> to change the | ||
5562 | power status.</para></listitem> | ||
5520 | <listitem><para>Call <function>snd_pcm_suspend_all()</function> to suspend the running PCM streams.</para></listitem> | 5563 | <listitem><para>Call <function>snd_pcm_suspend_all()</function> to suspend the running PCM streams.</para></listitem> |
5564 | <listitem><para>If AC97 codecs are used, call | ||
5565 | <function>snd_ac97_resume()</function> for each codec.</para></listitem> | ||
5521 | <listitem><para>Save the register values if necessary.</para></listitem> | 5566 | <listitem><para>Save the register values if necessary.</para></listitem> |
5522 | <listitem><para>Stop the hardware if necessary.</para></listitem> | 5567 | <listitem><para>Stop the hardware if necessary.</para></listitem> |
5523 | <listitem><para>Disable the PCI device by calling <function>pci_disable_device()</function>.</para></listitem> | 5568 | <listitem><para>Disable the PCI device by calling |
5569 | <function>pci_disable_device()</function>. Then, call | ||
5570 | <function>pci_save_state()</function> at last.</para></listitem> | ||
5524 | </orderedlist> | 5571 | </orderedlist> |
5525 | </para> | 5572 | </para> |
5526 | 5573 | ||
@@ -5530,18 +5577,24 @@ struct _snd_pcm_runtime { | |||
5530 | <informalexample> | 5577 | <informalexample> |
5531 | <programlisting> | 5578 | <programlisting> |
5532 | <![CDATA[ | 5579 | <![CDATA[ |
5533 | static int mychip_suspend(snd_card_t *card, pm_message_t state) | 5580 | static int mychip_suspend(strut pci_dev *pci, pm_message_t state) |
5534 | { | 5581 | { |
5535 | /* (1) */ | 5582 | /* (1) */ |
5536 | mychip_t *chip = card->pm_private_data; | 5583 | struct snd_card *card = pci_get_drvdata(pci); |
5584 | struct mychip *chip = card->private_data; | ||
5537 | /* (2) */ | 5585 | /* (2) */ |
5538 | snd_pcm_suspend_all(chip->pcm); | 5586 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
5539 | /* (3) */ | 5587 | /* (3) */ |
5540 | snd_mychip_save_registers(chip); | 5588 | snd_pcm_suspend_all(chip->pcm); |
5541 | /* (4) */ | 5589 | /* (4) */ |
5542 | snd_mychip_stop_hardware(chip); | 5590 | snd_ac97_suspend(chip->ac97); |
5543 | /* (5) */ | 5591 | /* (5) */ |
5544 | pci_disable_device(chip->pci); | 5592 | snd_mychip_save_registers(chip); |
5593 | /* (6) */ | ||
5594 | snd_mychip_stop_hardware(chip); | ||
5595 | /* (7) */ | ||
5596 | pci_disable_device(pci); | ||
5597 | pci_save_state(pci); | ||
5545 | return 0; | 5598 | return 0; |
5546 | } | 5599 | } |
5547 | ]]> | 5600 | ]]> |
@@ -5553,14 +5606,17 @@ struct _snd_pcm_runtime { | |||
5553 | The scheme of the real resume job is as following. | 5606 | The scheme of the real resume job is as following. |
5554 | 5607 | ||
5555 | <orderedlist> | 5608 | <orderedlist> |
5556 | <listitem><para>Retrieve the chip data from pm_private_data field.</para></listitem> | 5609 | <listitem><para>Retrieve the card and the chip data.</para></listitem> |
5557 | <listitem><para>Enable the pci device again by calling | 5610 | <listitem><para>Set up PCI. First, call <function>pci_restore_state()</function>. |
5558 | <function>pci_enable_device()</function>.</para></listitem> | 5611 | Then enable the pci device again by calling <function>pci_enable_device()</function>. |
5612 | Call <function>pci_set_master()</function> if necessary, too.</para></listitem> | ||
5559 | <listitem><para>Re-initialize the chip.</para></listitem> | 5613 | <listitem><para>Re-initialize the chip.</para></listitem> |
5560 | <listitem><para>Restore the saved registers if necessary.</para></listitem> | 5614 | <listitem><para>Restore the saved registers if necessary.</para></listitem> |
5561 | <listitem><para>Resume the mixer, e.g. calling | 5615 | <listitem><para>Resume the mixer, e.g. calling |
5562 | <function>snd_ac97_resume()</function>.</para></listitem> | 5616 | <function>snd_ac97_resume()</function>.</para></listitem> |
5563 | <listitem><para>Restart the hardware (if any).</para></listitem> | 5617 | <listitem><para>Restart the hardware (if any).</para></listitem> |
5618 | <listitem><para>Call <function>snd_power_change_state()</function> with | ||
5619 | <constant>SNDRV_CTL_POWER_D0</constant> to notify the processes.</para></listitem> | ||
5564 | </orderedlist> | 5620 | </orderedlist> |
5565 | </para> | 5621 | </para> |
5566 | 5622 | ||
@@ -5570,12 +5626,15 @@ struct _snd_pcm_runtime { | |||
5570 | <informalexample> | 5626 | <informalexample> |
5571 | <programlisting> | 5627 | <programlisting> |
5572 | <![CDATA[ | 5628 | <![CDATA[ |
5573 | static void mychip_resume(mychip_t *chip) | 5629 | static int mychip_resume(struct pci_dev *pci) |
5574 | { | 5630 | { |
5575 | /* (1) */ | 5631 | /* (1) */ |
5576 | mychip_t *chip = card->pm_private_data; | 5632 | struct snd_card *card = pci_get_drvdata(pci); |
5633 | struct mychip *chip = card->private_data; | ||
5577 | /* (2) */ | 5634 | /* (2) */ |
5578 | pci_enable_device(chip->pci); | 5635 | pci_restore_state(pci); |
5636 | pci_enable_device(pci); | ||
5637 | pci_set_master(pci); | ||
5579 | /* (3) */ | 5638 | /* (3) */ |
5580 | snd_mychip_reinit_chip(chip); | 5639 | snd_mychip_reinit_chip(chip); |
5581 | /* (4) */ | 5640 | /* (4) */ |
@@ -5584,6 +5643,8 @@ struct _snd_pcm_runtime { | |||
5584 | snd_ac97_resume(chip->ac97); | 5643 | snd_ac97_resume(chip->ac97); |
5585 | /* (6) */ | 5644 | /* (6) */ |
5586 | snd_mychip_restart_chip(chip); | 5645 | snd_mychip_restart_chip(chip); |
5646 | /* (7) */ | ||
5647 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | ||
5587 | return 0; | 5648 | return 0; |
5588 | } | 5649 | } |
5589 | ]]> | 5650 | ]]> |
@@ -5592,8 +5653,23 @@ struct _snd_pcm_runtime { | |||
5592 | </para> | 5653 | </para> |
5593 | 5654 | ||
5594 | <para> | 5655 | <para> |
5595 | OK, we have all callbacks now. Let's set up them now. In the | 5656 | As shown in the above, it's better to save registers after |
5596 | initialization of the card, add the following: | 5657 | suspending the PCM operations via |
5658 | <function>snd_pcm_suspend_all()</function> or | ||
5659 | <function>snd_pcm_suspend()</function>. It means that the PCM | ||
5660 | streams are already stoppped when the register snapshot is | ||
5661 | taken. But, remind that you don't have to restart the PCM | ||
5662 | stream in the resume callback. It'll be restarted via | ||
5663 | trigger call with <constant>SNDRV_PCM_TRIGGER_RESUME</constant> | ||
5664 | when necessary. | ||
5665 | </para> | ||
5666 | |||
5667 | <para> | ||
5668 | OK, we have all callbacks now. Let's set them up. In the | ||
5669 | initialization of the card, make sure that you can get the chip | ||
5670 | data from the card instance, typically via | ||
5671 | <structfield>private_data</structfield> field, in case you | ||
5672 | created the chip data individually. | ||
5597 | 5673 | ||
5598 | <informalexample> | 5674 | <informalexample> |
5599 | <programlisting> | 5675 | <programlisting> |
@@ -5602,33 +5678,56 @@ struct _snd_pcm_runtime { | |||
5602 | const struct pci_device_id *pci_id) | 5678 | const struct pci_device_id *pci_id) |
5603 | { | 5679 | { |
5604 | .... | 5680 | .... |
5605 | snd_card_t *card; | 5681 | struct snd_card *card; |
5606 | mychip_t *chip; | 5682 | struct mychip *chip; |
5607 | .... | 5683 | .... |
5608 | snd_card_set_pm_callback(card, snd_my_suspend, snd_my_resume, chip); | 5684 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, NULL); |
5685 | .... | ||
5686 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | ||
5687 | .... | ||
5688 | card->private_data = chip; | ||
5689 | .... | ||
5690 | } | ||
5691 | ]]> | ||
5692 | </programlisting> | ||
5693 | </informalexample> | ||
5694 | |||
5695 | When you created the chip data with | ||
5696 | <function>snd_card_new()</function>, it's anyway accessible | ||
5697 | via <structfield>private_data</structfield> field. | ||
5698 | |||
5699 | <informalexample> | ||
5700 | <programlisting> | ||
5701 | <![CDATA[ | ||
5702 | static int __devinit snd_mychip_probe(struct pci_dev *pci, | ||
5703 | const struct pci_device_id *pci_id) | ||
5704 | { | ||
5705 | .... | ||
5706 | struct snd_card *card; | ||
5707 | struct mychip *chip; | ||
5708 | .... | ||
5709 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, | ||
5710 | sizeof(struct mychip)); | ||
5711 | .... | ||
5712 | chip = card->private_data; | ||
5609 | .... | 5713 | .... |
5610 | } | 5714 | } |
5611 | ]]> | 5715 | ]]> |
5612 | </programlisting> | 5716 | </programlisting> |
5613 | </informalexample> | 5717 | </informalexample> |
5614 | 5718 | ||
5615 | Here you don't have to put ifdef CONFIG_PM around, since it's already | ||
5616 | checked in the header and expanded to empty if not needed. | ||
5617 | </para> | 5719 | </para> |
5618 | 5720 | ||
5619 | <para> | 5721 | <para> |
5620 | If you need a space for saving the registers, you'll need to | 5722 | If you need a space for saving the registers, allocate the |
5621 | allocate the buffer for it here, too, since it would be fatal | 5723 | buffer for it here, too, since it would be fatal |
5622 | if you cannot allocate a memory in the suspend phase. | 5724 | if you cannot allocate a memory in the suspend phase. |
5623 | The allocated buffer should be released in the corresponding | 5725 | The allocated buffer should be released in the corresponding |
5624 | destructor. | 5726 | destructor. |
5625 | </para> | 5727 | </para> |
5626 | 5728 | ||
5627 | <para> | 5729 | <para> |
5628 | And next, set suspend/resume callbacks to the pci_driver, | 5730 | And next, set suspend/resume callbacks to the pci_driver. |
5629 | This can be done by passing a macro SND_PCI_PM_CALLBACKS | ||
5630 | in the pci_driver struct. This macro is expanded to the correct | ||
5631 | (global) callbacks if CONFIG_PM is set. | ||
5632 | 5731 | ||
5633 | <informalexample> | 5732 | <informalexample> |
5634 | <programlisting> | 5733 | <programlisting> |
@@ -5638,7 +5737,10 @@ struct _snd_pcm_runtime { | |||
5638 | .id_table = snd_my_ids, | 5737 | .id_table = snd_my_ids, |
5639 | .probe = snd_my_probe, | 5738 | .probe = snd_my_probe, |
5640 | .remove = __devexit_p(snd_my_remove), | 5739 | .remove = __devexit_p(snd_my_remove), |
5641 | SND_PCI_PM_CALLBACKS | 5740 | #ifdef CONFIG_PM |
5741 | .suspend = snd_my_suspend, | ||
5742 | .resume = snd_my_resume, | ||
5743 | #endif | ||
5642 | }; | 5744 | }; |
5643 | ]]> | 5745 | ]]> |
5644 | </programlisting> | 5746 | </programlisting> |
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt index 25c5d648aef6..1fe48846d78f 100644 --- a/Documentation/sound/alsa/Procfile.txt +++ b/Documentation/sound/alsa/Procfile.txt | |||
@@ -138,6 +138,22 @@ card*/codec97#0/ac97#?-?+regs | |||
138 | # echo 02 9f1f > /proc/asound/card0/codec97#0/ac97#0-0+regs | 138 | # echo 02 9f1f > /proc/asound/card0/codec97#0/ac97#0-0+regs |
139 | 139 | ||
140 | 140 | ||
141 | USB Audio Streams | ||
142 | ----------------- | ||
143 | |||
144 | card*/stream* | ||
145 | Shows the assignment and the current status of each audio stream | ||
146 | of the given card. This information is very useful for debugging. | ||
147 | |||
148 | |||
149 | HD-Audio Codecs | ||
150 | --------------- | ||
151 | |||
152 | card*/codec#* | ||
153 | Shows the general codec information and the attribute of each | ||
154 | widget node. | ||
155 | |||
156 | |||
141 | Sequencer Information | 157 | Sequencer Information |
142 | --------------------- | 158 | --------------------- |
143 | 159 | ||
diff --git a/Documentation/sound/alsa/hda_codec.txt b/Documentation/sound/alsa/hda_codec.txt index e9d07b8f1acb..0be57ed81302 100644 --- a/Documentation/sound/alsa/hda_codec.txt +++ b/Documentation/sound/alsa/hda_codec.txt | |||
@@ -63,7 +63,7 @@ The bus instance is created via snd_hda_bus_new(). You need to pass | |||
63 | the card instance, the template, and the pointer to store the | 63 | the card instance, the template, and the pointer to store the |
64 | resultant bus instance. | 64 | resultant bus instance. |
65 | 65 | ||
66 | int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp, | 66 | int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, |
67 | struct hda_bus **busp); | 67 | struct hda_bus **busp); |
68 | 68 | ||
69 | It returns zero if successful. A negative return value means any | 69 | It returns zero if successful. A negative return value means any |
@@ -166,14 +166,14 @@ The ops field contains the following callback functions: | |||
166 | 166 | ||
167 | struct hda_pcm_ops { | 167 | struct hda_pcm_ops { |
168 | int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, | 168 | int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec, |
169 | snd_pcm_substream_t *substream); | 169 | struct snd_pcm_substream *substream); |
170 | int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, | 170 | int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec, |
171 | snd_pcm_substream_t *substream); | 171 | struct snd_pcm_substream *substream); |
172 | int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, | 172 | int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec, |
173 | unsigned int stream_tag, unsigned int format, | 173 | unsigned int stream_tag, unsigned int format, |
174 | snd_pcm_substream_t *substream); | 174 | struct snd_pcm_substream *substream); |
175 | int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, | 175 | int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec, |
176 | snd_pcm_substream_t *substream); | 176 | struct snd_pcm_substream *substream); |
177 | }; | 177 | }; |
178 | 178 | ||
179 | All are non-NULL, so you can call them safely without NULL check. | 179 | All are non-NULL, so you can call them safely without NULL check. |
@@ -284,7 +284,7 @@ parameter, and PCI subsystem IDs. If the matching entry is found, it | |||
284 | returns the config field value. | 284 | returns the config field value. |
285 | 285 | ||
286 | snd_hda_add_new_ctls() can be used to create and add control entries. | 286 | snd_hda_add_new_ctls() can be used to create and add control entries. |
287 | Pass the zero-terminated array of snd_kcontrol_new_t. The same array | 287 | Pass the zero-terminated array of struct snd_kcontrol_new. The same array |
288 | can be passed to snd_hda_resume_ctls() for resume. | 288 | can be passed to snd_hda_resume_ctls() for resume. |
289 | Note that this will call control->put callback of these entries. So, | 289 | Note that this will call control->put callback of these entries. So, |
290 | put callback should check codec->in_resume and force to restore the | 290 | put callback should check codec->in_resume and force to restore the |
@@ -292,7 +292,7 @@ given value if it's non-zero even if the value is identical with the | |||
292 | cached value. | 292 | cached value. |
293 | 293 | ||
294 | Macros HDA_CODEC_VOLUME(), HDA_CODEC_MUTE() and their variables can be | 294 | Macros HDA_CODEC_VOLUME(), HDA_CODEC_MUTE() and their variables can be |
295 | used for the entry of snd_kcontrol_new_t. | 295 | used for the entry of struct snd_kcontrol_new. |
296 | 296 | ||
297 | The input MUX helper callbacks for such a control are provided, too: | 297 | The input MUX helper callbacks for such a control are provided, too: |
298 | snd_hda_input_mux_info() and snd_hda_input_mux_put(). See | 298 | snd_hda_input_mux_info() and snd_hda_input_mux_put(). See |