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98f2a97f CB |
1 | /***************************************************************************** |
2 | * | |
3 | * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and | |
4 | * Jean-Christian Hassler <jhassler@free.fr> | |
5 | * | |
6 | * This file is part of the Audiowerk2 ALSA driver | |
7 | * | |
8 | * The Audiowerk2 ALSA driver is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; version 2. | |
11 | * | |
12 | * The Audiowerk2 ALSA driver is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with the Audiowerk2 ALSA driver; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, | |
20 | * USA. | |
21 | * | |
22 | *****************************************************************************/ | |
23 | #include <linux/init.h> | |
24 | #include <linux/pci.h> | |
91e24faa | 25 | #include <linux/dma-mapping.h> |
98f2a97f CB |
26 | #include <linux/slab.h> |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/delay.h> | |
29 | #include <asm/io.h> | |
30 | #include <sound/core.h> | |
31 | #include <sound/initval.h> | |
32 | #include <sound/pcm.h> | |
33 | #include <sound/pcm_params.h> | |
34 | #include <sound/control.h> | |
35 | ||
36 | #include "saa7146.h" | |
37 | #include "aw2-saa7146.h" | |
38 | ||
98f2a97f CB |
39 | MODULE_AUTHOR("Cedric Bregardis <cedric.bregardis@free.fr>, " |
40 | "Jean-Christian Hassler <jhassler@free.fr>"); | |
41 | MODULE_DESCRIPTION("Emagic Audiowerk 2 sound driver"); | |
42 | MODULE_LICENSE("GPL"); | |
43 | ||
44 | /********************************* | |
45 | * DEFINES | |
46 | ********************************/ | |
47 | #define PCI_VENDOR_ID_SAA7146 0x1131 | |
48 | #define PCI_DEVICE_ID_SAA7146 0x7146 | |
49 | ||
50 | #define CTL_ROUTE_ANALOG 0 | |
51 | #define CTL_ROUTE_DIGITAL 1 | |
52 | ||
53 | /********************************* | |
54 | * TYPEDEFS | |
55 | ********************************/ | |
56 | /* hardware definition */ | |
57 | static struct snd_pcm_hardware snd_aw2_playback_hw = { | |
58 | .info = (SNDRV_PCM_INFO_MMAP | | |
59 | SNDRV_PCM_INFO_INTERLEAVED | | |
60 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), | |
61 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
62 | .rates = SNDRV_PCM_RATE_44100, | |
63 | .rate_min = 44100, | |
64 | .rate_max = 44100, | |
65 | .channels_min = 2, | |
66 | .channels_max = 4, | |
67 | .buffer_bytes_max = 32768, | |
68 | .period_bytes_min = 4096, | |
69 | .period_bytes_max = 32768, | |
70 | .periods_min = 1, | |
71 | .periods_max = 1024, | |
72 | }; | |
73 | ||
74 | static struct snd_pcm_hardware snd_aw2_capture_hw = { | |
75 | .info = (SNDRV_PCM_INFO_MMAP | | |
76 | SNDRV_PCM_INFO_INTERLEAVED | | |
77 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), | |
78 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
79 | .rates = SNDRV_PCM_RATE_44100, | |
80 | .rate_min = 44100, | |
81 | .rate_max = 44100, | |
82 | .channels_min = 2, | |
83 | .channels_max = 2, | |
84 | .buffer_bytes_max = 32768, | |
85 | .period_bytes_min = 4096, | |
86 | .period_bytes_max = 32768, | |
87 | .periods_min = 1, | |
88 | .periods_max = 1024, | |
89 | }; | |
90 | ||
91 | struct aw2_pcm_device { | |
92 | struct snd_pcm *pcm; | |
93 | unsigned int stream_number; | |
94 | struct aw2 *chip; | |
95 | }; | |
96 | ||
97 | struct aw2 { | |
98 | struct snd_aw2_saa7146 saa7146; | |
99 | ||
100 | struct pci_dev *pci; | |
101 | int irq; | |
102 | spinlock_t reg_lock; | |
103 | struct mutex mtx; | |
104 | ||
105 | unsigned long iobase_phys; | |
106 | void __iomem *iobase_virt; | |
107 | ||
108 | struct snd_card *card; | |
109 | ||
110 | struct aw2_pcm_device device_playback[NB_STREAM_PLAYBACK]; | |
111 | struct aw2_pcm_device device_capture[NB_STREAM_CAPTURE]; | |
112 | }; | |
113 | ||
114 | /********************************* | |
115 | * FUNCTION DECLARATIONS | |
116 | ********************************/ | |
117 | static int __init alsa_card_aw2_init(void); | |
118 | static void __exit alsa_card_aw2_exit(void); | |
119 | static int snd_aw2_dev_free(struct snd_device *device); | |
120 | static int __devinit snd_aw2_create(struct snd_card *card, | |
121 | struct pci_dev *pci, struct aw2 **rchip); | |
122 | static int __devinit snd_aw2_probe(struct pci_dev *pci, | |
123 | const struct pci_device_id *pci_id); | |
124 | static void __devexit snd_aw2_remove(struct pci_dev *pci); | |
125 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream); | |
126 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream); | |
127 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); | |
128 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream); | |
129 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
130 | struct snd_pcm_hw_params *hw_params); | |
131 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream); | |
132 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); | |
133 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); | |
134 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
135 | int cmd); | |
136 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
137 | int cmd); | |
138 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
139 | *substream); | |
140 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
141 | *substream); | |
142 | static int __devinit snd_aw2_new_pcm(struct aw2 *chip); | |
143 | ||
144 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
145 | struct snd_ctl_elem_info *uinfo); | |
146 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
147 | struct snd_ctl_elem_value | |
148 | *ucontrol); | |
149 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
150 | struct snd_ctl_elem_value | |
151 | *ucontrol); | |
152 | ||
153 | /********************************* | |
154 | * VARIABLES | |
155 | ********************************/ | |
156 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
157 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
158 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; | |
159 | ||
34b6757d TI |
160 | module_param_array(index, int, NULL, 0444); |
161 | MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); | |
162 | module_param_array(id, charp, NULL, 0444); | |
163 | MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); | |
164 | module_param_array(enable, bool, NULL, 0444); | |
165 | MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); | |
166 | ||
98f2a97f | 167 | static struct pci_device_id snd_aw2_ids[] = { |
e8bf069c | 168 | {PCI_VENDOR_ID_SAA7146, PCI_DEVICE_ID_SAA7146, 0, 0, |
98f2a97f CB |
169 | 0, 0, 0}, |
170 | {0} | |
171 | }; | |
172 | ||
173 | MODULE_DEVICE_TABLE(pci, snd_aw2_ids); | |
174 | ||
175 | /* pci_driver definition */ | |
176 | static struct pci_driver driver = { | |
177 | .name = "Emagic Audiowerk 2", | |
178 | .id_table = snd_aw2_ids, | |
179 | .probe = snd_aw2_probe, | |
180 | .remove = __devexit_p(snd_aw2_remove), | |
181 | }; | |
182 | ||
183 | /* operators for playback PCM alsa interface */ | |
184 | static struct snd_pcm_ops snd_aw2_playback_ops = { | |
185 | .open = snd_aw2_pcm_playback_open, | |
186 | .close = snd_aw2_pcm_playback_close, | |
187 | .ioctl = snd_pcm_lib_ioctl, | |
188 | .hw_params = snd_aw2_pcm_hw_params, | |
189 | .hw_free = snd_aw2_pcm_hw_free, | |
190 | .prepare = snd_aw2_pcm_prepare_playback, | |
191 | .trigger = snd_aw2_pcm_trigger_playback, | |
192 | .pointer = snd_aw2_pcm_pointer_playback, | |
193 | }; | |
194 | ||
195 | /* operators for capture PCM alsa interface */ | |
196 | static struct snd_pcm_ops snd_aw2_capture_ops = { | |
197 | .open = snd_aw2_pcm_capture_open, | |
198 | .close = snd_aw2_pcm_capture_close, | |
199 | .ioctl = snd_pcm_lib_ioctl, | |
200 | .hw_params = snd_aw2_pcm_hw_params, | |
201 | .hw_free = snd_aw2_pcm_hw_free, | |
202 | .prepare = snd_aw2_pcm_prepare_capture, | |
203 | .trigger = snd_aw2_pcm_trigger_capture, | |
204 | .pointer = snd_aw2_pcm_pointer_capture, | |
205 | }; | |
206 | ||
207 | static struct snd_kcontrol_new aw2_control __devinitdata = { | |
208 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
209 | .name = "PCM Capture Route", | |
210 | .index = 0, | |
211 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
212 | .private_value = 0xffff, | |
213 | .info = snd_aw2_control_switch_capture_info, | |
214 | .get = snd_aw2_control_switch_capture_get, | |
215 | .put = snd_aw2_control_switch_capture_put | |
216 | }; | |
217 | ||
218 | /********************************* | |
219 | * FUNCTION IMPLEMENTATIONS | |
220 | ********************************/ | |
221 | ||
222 | /* initialization of the module */ | |
223 | static int __init alsa_card_aw2_init(void) | |
224 | { | |
225 | snd_printdd(KERN_DEBUG "aw2: Load aw2 module\n"); | |
226 | return pci_register_driver(&driver); | |
227 | } | |
228 | ||
229 | /* clean up the module */ | |
230 | static void __exit alsa_card_aw2_exit(void) | |
231 | { | |
232 | snd_printdd(KERN_DEBUG "aw2: Unload aw2 module\n"); | |
233 | pci_unregister_driver(&driver); | |
234 | } | |
235 | ||
236 | module_init(alsa_card_aw2_init); | |
237 | module_exit(alsa_card_aw2_exit); | |
238 | ||
239 | /* component-destructor */ | |
240 | static int snd_aw2_dev_free(struct snd_device *device) | |
241 | { | |
242 | struct aw2 *chip = device->device_data; | |
243 | ||
244 | /* Free hardware */ | |
245 | snd_aw2_saa7146_free(&chip->saa7146); | |
246 | ||
247 | /* release the irq */ | |
248 | if (chip->irq >= 0) | |
249 | free_irq(chip->irq, (void *)chip); | |
250 | /* release the i/o ports & memory */ | |
251 | if (chip->iobase_virt) | |
252 | iounmap(chip->iobase_virt); | |
253 | ||
254 | pci_release_regions(chip->pci); | |
255 | /* disable the PCI entry */ | |
256 | pci_disable_device(chip->pci); | |
257 | /* release the data */ | |
258 | kfree(chip); | |
259 | ||
260 | return 0; | |
261 | } | |
262 | ||
263 | /* chip-specific constructor */ | |
264 | static int __devinit snd_aw2_create(struct snd_card *card, | |
265 | struct pci_dev *pci, struct aw2 **rchip) | |
266 | { | |
267 | struct aw2 *chip; | |
268 | int err; | |
269 | static struct snd_device_ops ops = { | |
270 | .dev_free = snd_aw2_dev_free, | |
271 | }; | |
272 | ||
273 | *rchip = NULL; | |
274 | ||
275 | /* initialize the PCI entry */ | |
276 | err = pci_enable_device(pci); | |
277 | if (err < 0) | |
278 | return err; | |
279 | pci_set_master(pci); | |
280 | ||
281 | /* check PCI availability (32bit DMA) */ | |
282 | if ((pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) || | |
283 | (pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0)) { | |
284 | printk(KERN_ERR "aw2: Impossible to set 32bit mask DMA\n"); | |
285 | pci_disable_device(pci); | |
286 | return -ENXIO; | |
287 | } | |
288 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
289 | if (chip == NULL) { | |
290 | pci_disable_device(pci); | |
291 | return -ENOMEM; | |
292 | } | |
293 | ||
294 | /* initialize the stuff */ | |
295 | chip->card = card; | |
296 | chip->pci = pci; | |
297 | chip->irq = -1; | |
298 | ||
299 | /* (1) PCI resource allocation */ | |
300 | err = pci_request_regions(pci, "Audiowerk2"); | |
301 | if (err < 0) { | |
302 | pci_disable_device(pci); | |
303 | kfree(chip); | |
304 | return err; | |
305 | } | |
306 | chip->iobase_phys = pci_resource_start(pci, 0); | |
307 | chip->iobase_virt = | |
308 | ioremap_nocache(chip->iobase_phys, | |
309 | pci_resource_len(pci, 0)); | |
310 | ||
311 | if (chip->iobase_virt == NULL) { | |
312 | printk(KERN_ERR "aw2: unable to remap memory region"); | |
313 | pci_release_regions(pci); | |
314 | pci_disable_device(pci); | |
315 | kfree(chip); | |
316 | return -ENOMEM; | |
317 | } | |
318 | ||
44e05177 TI |
319 | /* (2) initialization of the chip hardware */ |
320 | snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); | |
98f2a97f CB |
321 | |
322 | if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, | |
323 | IRQF_SHARED, "Audiowerk2", chip)) { | |
324 | printk(KERN_ERR "aw2: Cannot grab irq %d\n", pci->irq); | |
325 | ||
326 | iounmap(chip->iobase_virt); | |
327 | pci_release_regions(chip->pci); | |
328 | pci_disable_device(chip->pci); | |
329 | kfree(chip); | |
330 | return -EBUSY; | |
331 | } | |
332 | chip->irq = pci->irq; | |
333 | ||
98f2a97f CB |
334 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
335 | if (err < 0) { | |
336 | free_irq(chip->irq, (void *)chip); | |
337 | iounmap(chip->iobase_virt); | |
338 | pci_release_regions(chip->pci); | |
339 | pci_disable_device(chip->pci); | |
340 | kfree(chip); | |
341 | return err; | |
342 | } | |
343 | ||
344 | snd_card_set_dev(card, &pci->dev); | |
345 | *rchip = chip; | |
346 | ||
347 | printk(KERN_INFO | |
348 | "Audiowerk 2 sound card (saa7146 chipset) detected and " | |
349 | "managed\n"); | |
350 | return 0; | |
351 | } | |
352 | ||
353 | /* constructor */ | |
354 | static int __devinit snd_aw2_probe(struct pci_dev *pci, | |
355 | const struct pci_device_id *pci_id) | |
356 | { | |
357 | static int dev; | |
358 | struct snd_card *card; | |
359 | struct aw2 *chip; | |
360 | int err; | |
361 | ||
362 | /* (1) Continue if device is not enabled, else inc dev */ | |
363 | if (dev >= SNDRV_CARDS) | |
364 | return -ENODEV; | |
365 | if (!enable[dev]) { | |
366 | dev++; | |
367 | return -ENOENT; | |
368 | } | |
369 | ||
370 | /* (2) Create card instance */ | |
e58de7ba TI |
371 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); |
372 | if (err < 0) | |
373 | return err; | |
98f2a97f CB |
374 | |
375 | /* (3) Create main component */ | |
376 | err = snd_aw2_create(card, pci, &chip); | |
377 | if (err < 0) { | |
378 | snd_card_free(card); | |
379 | return err; | |
380 | } | |
381 | ||
382 | /* initialize mutex */ | |
383 | mutex_init(&chip->mtx); | |
384 | /* init spinlock */ | |
385 | spin_lock_init(&chip->reg_lock); | |
386 | /* (4) Define driver ID and name string */ | |
387 | strcpy(card->driver, "aw2"); | |
388 | strcpy(card->shortname, "Audiowerk2"); | |
389 | ||
390 | sprintf(card->longname, "%s with SAA7146 irq %i", | |
391 | card->shortname, chip->irq); | |
392 | ||
393 | /* (5) Create other components */ | |
394 | snd_aw2_new_pcm(chip); | |
395 | ||
396 | /* (6) Register card instance */ | |
397 | err = snd_card_register(card); | |
398 | if (err < 0) { | |
399 | snd_card_free(card); | |
400 | return err; | |
401 | } | |
402 | ||
403 | /* (7) Set PCI driver data */ | |
404 | pci_set_drvdata(pci, card); | |
405 | ||
406 | dev++; | |
407 | return 0; | |
408 | } | |
409 | ||
410 | /* destructor */ | |
411 | static void __devexit snd_aw2_remove(struct pci_dev *pci) | |
412 | { | |
413 | snd_card_free(pci_get_drvdata(pci)); | |
414 | pci_set_drvdata(pci, NULL); | |
415 | } | |
416 | ||
417 | /* open callback */ | |
418 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) | |
419 | { | |
420 | struct snd_pcm_runtime *runtime = substream->runtime; | |
421 | ||
422 | snd_printdd(KERN_DEBUG "aw2: Playback_open \n"); | |
423 | runtime->hw = snd_aw2_playback_hw; | |
424 | return 0; | |
425 | } | |
426 | ||
427 | /* close callback */ | |
428 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) | |
429 | { | |
430 | return 0; | |
431 | ||
432 | } | |
433 | ||
434 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) | |
435 | { | |
436 | struct snd_pcm_runtime *runtime = substream->runtime; | |
437 | ||
438 | snd_printdd(KERN_DEBUG "aw2: Capture_open \n"); | |
439 | runtime->hw = snd_aw2_capture_hw; | |
440 | return 0; | |
441 | } | |
442 | ||
443 | /* close callback */ | |
444 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) | |
445 | { | |
446 | /* TODO: something to do ? */ | |
447 | return 0; | |
448 | } | |
449 | ||
450 | /* hw_params callback */ | |
451 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
452 | struct snd_pcm_hw_params *hw_params) | |
453 | { | |
454 | return snd_pcm_lib_malloc_pages(substream, | |
455 | params_buffer_bytes(hw_params)); | |
456 | } | |
457 | ||
458 | /* hw_free callback */ | |
459 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream) | |
460 | { | |
461 | return snd_pcm_lib_free_pages(substream); | |
462 | } | |
463 | ||
464 | /* prepare callback for playback */ | |
465 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) | |
466 | { | |
467 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
468 | struct aw2 *chip = pcm_device->chip; | |
469 | struct snd_pcm_runtime *runtime = substream->runtime; | |
470 | unsigned long period_size, buffer_size; | |
471 | ||
472 | mutex_lock(&chip->mtx); | |
473 | ||
474 | period_size = snd_pcm_lib_period_bytes(substream); | |
475 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
476 | ||
477 | snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, | |
478 | pcm_device->stream_number, | |
479 | runtime->dma_addr, period_size, | |
480 | buffer_size); | |
481 | ||
482 | /* Define Interrupt callback */ | |
483 | snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, | |
484 | (snd_aw2_saa7146_it_cb) | |
485 | snd_pcm_period_elapsed, | |
486 | (void *)substream); | |
487 | ||
488 | mutex_unlock(&chip->mtx); | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | /* prepare callback for capture */ | |
494 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) | |
495 | { | |
496 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
497 | struct aw2 *chip = pcm_device->chip; | |
498 | struct snd_pcm_runtime *runtime = substream->runtime; | |
499 | unsigned long period_size, buffer_size; | |
500 | ||
501 | mutex_lock(&chip->mtx); | |
502 | ||
503 | period_size = snd_pcm_lib_period_bytes(substream); | |
504 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
505 | ||
506 | snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, | |
507 | pcm_device->stream_number, | |
508 | runtime->dma_addr, period_size, | |
509 | buffer_size); | |
510 | ||
511 | /* Define Interrupt callback */ | |
512 | snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, | |
513 | (snd_aw2_saa7146_it_cb) | |
514 | snd_pcm_period_elapsed, | |
515 | (void *)substream); | |
516 | ||
517 | mutex_unlock(&chip->mtx); | |
518 | ||
519 | return 0; | |
520 | } | |
521 | ||
522 | /* playback trigger callback */ | |
523 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
524 | int cmd) | |
525 | { | |
526 | int status = 0; | |
527 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
528 | struct aw2 *chip = pcm_device->chip; | |
529 | spin_lock(&chip->reg_lock); | |
530 | switch (cmd) { | |
531 | case SNDRV_PCM_TRIGGER_START: | |
532 | snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, | |
533 | pcm_device-> | |
534 | stream_number); | |
535 | break; | |
536 | case SNDRV_PCM_TRIGGER_STOP: | |
537 | snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, | |
538 | pcm_device-> | |
539 | stream_number); | |
540 | break; | |
541 | default: | |
542 | status = -EINVAL; | |
543 | } | |
544 | spin_unlock(&chip->reg_lock); | |
545 | return status; | |
546 | } | |
547 | ||
548 | /* capture trigger callback */ | |
549 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
550 | int cmd) | |
551 | { | |
552 | int status = 0; | |
553 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
554 | struct aw2 *chip = pcm_device->chip; | |
555 | spin_lock(&chip->reg_lock); | |
556 | switch (cmd) { | |
557 | case SNDRV_PCM_TRIGGER_START: | |
558 | snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, | |
559 | pcm_device-> | |
560 | stream_number); | |
561 | break; | |
562 | case SNDRV_PCM_TRIGGER_STOP: | |
563 | snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, | |
564 | pcm_device-> | |
565 | stream_number); | |
566 | break; | |
567 | default: | |
568 | status = -EINVAL; | |
569 | } | |
570 | spin_unlock(&chip->reg_lock); | |
571 | return status; | |
572 | } | |
573 | ||
574 | /* playback pointer callback */ | |
575 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
576 | *substream) | |
577 | { | |
578 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
579 | struct aw2 *chip = pcm_device->chip; | |
580 | unsigned int current_ptr; | |
581 | ||
582 | /* get the current hardware pointer */ | |
583 | struct snd_pcm_runtime *runtime = substream->runtime; | |
584 | current_ptr = | |
585 | snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, | |
586 | pcm_device->stream_number, | |
587 | runtime->dma_area, | |
588 | runtime->buffer_size); | |
589 | ||
590 | return bytes_to_frames(substream->runtime, current_ptr); | |
591 | } | |
592 | ||
593 | /* capture pointer callback */ | |
594 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
595 | *substream) | |
596 | { | |
597 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
598 | struct aw2 *chip = pcm_device->chip; | |
599 | unsigned int current_ptr; | |
600 | ||
601 | /* get the current hardware pointer */ | |
602 | struct snd_pcm_runtime *runtime = substream->runtime; | |
603 | current_ptr = | |
604 | snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, | |
605 | pcm_device->stream_number, | |
606 | runtime->dma_area, | |
607 | runtime->buffer_size); | |
608 | ||
609 | return bytes_to_frames(substream->runtime, current_ptr); | |
610 | } | |
611 | ||
612 | /* create a pcm device */ | |
613 | static int __devinit snd_aw2_new_pcm(struct aw2 *chip) | |
614 | { | |
615 | struct snd_pcm *pcm_playback_ana; | |
616 | struct snd_pcm *pcm_playback_num; | |
617 | struct snd_pcm *pcm_capture; | |
618 | struct aw2_pcm_device *pcm_device; | |
619 | int err = 0; | |
620 | ||
621 | /* Create new Alsa PCM device */ | |
622 | ||
623 | err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, | |
624 | &pcm_playback_ana); | |
625 | if (err < 0) { | |
626 | printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); | |
627 | return err; | |
628 | } | |
629 | ||
630 | /* Creation ok */ | |
631 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; | |
632 | ||
633 | /* Set PCM device name */ | |
634 | strcpy(pcm_playback_ana->name, "Analog playback"); | |
635 | /* Associate private data to PCM device */ | |
636 | pcm_playback_ana->private_data = pcm_device; | |
637 | /* set operators of PCM device */ | |
638 | snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, | |
639 | &snd_aw2_playback_ops); | |
640 | /* store PCM device */ | |
641 | pcm_device->pcm = pcm_playback_ana; | |
642 | /* give base chip pointer to our internal pcm device | |
643 | structure */ | |
644 | pcm_device->chip = chip; | |
645 | /* Give stream number to PCM device */ | |
646 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; | |
647 | ||
648 | /* pre-allocation of buffers */ | |
649 | /* Preallocate continuous pages. */ | |
650 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_ana, | |
651 | SNDRV_DMA_TYPE_DEV, | |
652 | snd_dma_pci_data | |
653 | (chip->pci), | |
654 | 64 * 1024, 64 * 1024); | |
655 | if (err) | |
656 | printk(KERN_ERR "aw2: snd_pcm_lib_preallocate_pages_for_all " | |
657 | "error (0x%X)\n", err); | |
658 | ||
659 | err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, | |
660 | &pcm_playback_num); | |
661 | ||
662 | if (err < 0) { | |
663 | printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); | |
664 | return err; | |
665 | } | |
666 | /* Creation ok */ | |
667 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; | |
668 | ||
669 | /* Set PCM device name */ | |
670 | strcpy(pcm_playback_num->name, "Digital playback"); | |
671 | /* Associate private data to PCM device */ | |
672 | pcm_playback_num->private_data = pcm_device; | |
673 | /* set operators of PCM device */ | |
674 | snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, | |
675 | &snd_aw2_playback_ops); | |
676 | /* store PCM device */ | |
677 | pcm_device->pcm = pcm_playback_num; | |
678 | /* give base chip pointer to our internal pcm device | |
679 | structure */ | |
680 | pcm_device->chip = chip; | |
681 | /* Give stream number to PCM device */ | |
682 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; | |
683 | ||
684 | /* pre-allocation of buffers */ | |
685 | /* Preallocate continuous pages. */ | |
686 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_num, | |
687 | SNDRV_DMA_TYPE_DEV, | |
688 | snd_dma_pci_data | |
689 | (chip->pci), | |
690 | 64 * 1024, 64 * 1024); | |
691 | if (err) | |
692 | printk(KERN_ERR | |
693 | "aw2: snd_pcm_lib_preallocate_pages_for_all error " | |
694 | "(0x%X)\n", err); | |
695 | ||
696 | ||
697 | ||
698 | err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, | |
699 | &pcm_capture); | |
700 | ||
701 | if (err < 0) { | |
702 | printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); | |
703 | return err; | |
704 | } | |
705 | ||
706 | /* Creation ok */ | |
707 | pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; | |
708 | ||
709 | /* Set PCM device name */ | |
710 | strcpy(pcm_capture->name, "Capture"); | |
711 | /* Associate private data to PCM device */ | |
712 | pcm_capture->private_data = pcm_device; | |
713 | /* set operators of PCM device */ | |
714 | snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, | |
715 | &snd_aw2_capture_ops); | |
716 | /* store PCM device */ | |
717 | pcm_device->pcm = pcm_capture; | |
718 | /* give base chip pointer to our internal pcm device | |
719 | structure */ | |
720 | pcm_device->chip = chip; | |
721 | /* Give stream number to PCM device */ | |
722 | pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; | |
723 | ||
724 | /* pre-allocation of buffers */ | |
725 | /* Preallocate continuous pages. */ | |
726 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_capture, | |
727 | SNDRV_DMA_TYPE_DEV, | |
728 | snd_dma_pci_data | |
729 | (chip->pci), | |
730 | 64 * 1024, 64 * 1024); | |
731 | if (err) | |
732 | printk(KERN_ERR | |
733 | "aw2: snd_pcm_lib_preallocate_pages_for_all error " | |
734 | "(0x%X)\n", err); | |
735 | ||
736 | ||
737 | /* Create control */ | |
738 | err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); | |
739 | if (err < 0) { | |
740 | printk(KERN_ERR "aw2: snd_ctl_add error (0x%X)\n", err); | |
741 | return err; | |
742 | } | |
743 | ||
744 | return 0; | |
745 | } | |
746 | ||
747 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
748 | struct snd_ctl_elem_info *uinfo) | |
749 | { | |
750 | static char *texts[2] = { | |
751 | "Analog", "Digital" | |
752 | }; | |
753 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
754 | uinfo->count = 1; | |
755 | uinfo->value.enumerated.items = 2; | |
756 | if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) { | |
757 | uinfo->value.enumerated.item = | |
758 | uinfo->value.enumerated.items - 1; | |
759 | } | |
760 | strcpy(uinfo->value.enumerated.name, | |
761 | texts[uinfo->value.enumerated.item]); | |
762 | return 0; | |
763 | } | |
764 | ||
765 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
766 | struct snd_ctl_elem_value | |
767 | *ucontrol) | |
768 | { | |
769 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
770 | if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) | |
771 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; | |
772 | else | |
773 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; | |
774 | return 0; | |
775 | } | |
776 | ||
777 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
778 | struct snd_ctl_elem_value | |
779 | *ucontrol) | |
780 | { | |
781 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
782 | int changed = 0; | |
783 | int is_disgital = | |
784 | snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); | |
785 | ||
786 | if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) | |
787 | && !is_disgital) | |
788 | || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) | |
789 | && is_disgital)) { | |
790 | snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); | |
791 | changed = 1; | |
792 | } | |
793 | return changed; | |
794 | } |