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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> | |
34329fae | 29 | #include <linux/io.h> |
da155d5b | 30 | #include <linux/module.h> |
98f2a97f CB |
31 | #include <sound/core.h> |
32 | #include <sound/initval.h> | |
33 | #include <sound/pcm.h> | |
34 | #include <sound/pcm_params.h> | |
35 | #include <sound/control.h> | |
36 | ||
37 | #include "saa7146.h" | |
38 | #include "aw2-saa7146.h" | |
39 | ||
98f2a97f CB |
40 | MODULE_AUTHOR("Cedric Bregardis <cedric.bregardis@free.fr>, " |
41 | "Jean-Christian Hassler <jhassler@free.fr>"); | |
42 | MODULE_DESCRIPTION("Emagic Audiowerk 2 sound driver"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | ||
45 | /********************************* | |
46 | * DEFINES | |
47 | ********************************/ | |
98f2a97f CB |
48 | #define CTL_ROUTE_ANALOG 0 |
49 | #define CTL_ROUTE_DIGITAL 1 | |
50 | ||
51 | /********************************* | |
52 | * TYPEDEFS | |
53 | ********************************/ | |
54 | /* hardware definition */ | |
55 | static struct snd_pcm_hardware snd_aw2_playback_hw = { | |
56 | .info = (SNDRV_PCM_INFO_MMAP | | |
57 | SNDRV_PCM_INFO_INTERLEAVED | | |
58 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), | |
59 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
60 | .rates = SNDRV_PCM_RATE_44100, | |
61 | .rate_min = 44100, | |
62 | .rate_max = 44100, | |
63 | .channels_min = 2, | |
64 | .channels_max = 4, | |
65 | .buffer_bytes_max = 32768, | |
66 | .period_bytes_min = 4096, | |
67 | .period_bytes_max = 32768, | |
68 | .periods_min = 1, | |
69 | .periods_max = 1024, | |
70 | }; | |
71 | ||
72 | static struct snd_pcm_hardware snd_aw2_capture_hw = { | |
73 | .info = (SNDRV_PCM_INFO_MMAP | | |
74 | SNDRV_PCM_INFO_INTERLEAVED | | |
75 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), | |
76 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
77 | .rates = SNDRV_PCM_RATE_44100, | |
78 | .rate_min = 44100, | |
79 | .rate_max = 44100, | |
80 | .channels_min = 2, | |
81 | .channels_max = 2, | |
82 | .buffer_bytes_max = 32768, | |
83 | .period_bytes_min = 4096, | |
84 | .period_bytes_max = 32768, | |
85 | .periods_min = 1, | |
86 | .periods_max = 1024, | |
87 | }; | |
88 | ||
89 | struct aw2_pcm_device { | |
90 | struct snd_pcm *pcm; | |
91 | unsigned int stream_number; | |
92 | struct aw2 *chip; | |
93 | }; | |
94 | ||
95 | struct aw2 { | |
96 | struct snd_aw2_saa7146 saa7146; | |
97 | ||
98 | struct pci_dev *pci; | |
99 | int irq; | |
100 | spinlock_t reg_lock; | |
101 | struct mutex mtx; | |
102 | ||
103 | unsigned long iobase_phys; | |
104 | void __iomem *iobase_virt; | |
105 | ||
106 | struct snd_card *card; | |
107 | ||
108 | struct aw2_pcm_device device_playback[NB_STREAM_PLAYBACK]; | |
109 | struct aw2_pcm_device device_capture[NB_STREAM_CAPTURE]; | |
110 | }; | |
111 | ||
112 | /********************************* | |
113 | * FUNCTION DECLARATIONS | |
114 | ********************************/ | |
115 | static int __init alsa_card_aw2_init(void); | |
116 | static void __exit alsa_card_aw2_exit(void); | |
117 | static int snd_aw2_dev_free(struct snd_device *device); | |
118 | static int __devinit snd_aw2_create(struct snd_card *card, | |
119 | struct pci_dev *pci, struct aw2 **rchip); | |
120 | static int __devinit snd_aw2_probe(struct pci_dev *pci, | |
121 | const struct pci_device_id *pci_id); | |
122 | static void __devexit snd_aw2_remove(struct pci_dev *pci); | |
123 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream); | |
124 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream); | |
125 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); | |
126 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream); | |
127 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
128 | struct snd_pcm_hw_params *hw_params); | |
129 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream); | |
130 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); | |
131 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); | |
132 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
133 | int cmd); | |
134 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
135 | int cmd); | |
136 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
137 | *substream); | |
138 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
139 | *substream); | |
140 | static int __devinit snd_aw2_new_pcm(struct aw2 *chip); | |
141 | ||
142 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
143 | struct snd_ctl_elem_info *uinfo); | |
144 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
145 | struct snd_ctl_elem_value | |
146 | *ucontrol); | |
147 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
148 | struct snd_ctl_elem_value | |
149 | *ucontrol); | |
150 | ||
151 | /********************************* | |
152 | * VARIABLES | |
153 | ********************************/ | |
154 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
155 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
a67ff6a5 | 156 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
98f2a97f | 157 | |
34b6757d TI |
158 | module_param_array(index, int, NULL, 0444); |
159 | MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); | |
160 | module_param_array(id, charp, NULL, 0444); | |
161 | MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); | |
162 | module_param_array(enable, bool, NULL, 0444); | |
163 | MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); | |
164 | ||
cebe41d4 | 165 | static DEFINE_PCI_DEVICE_TABLE(snd_aw2_ids) = { |
34329fae | 166 | {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, |
98f2a97f CB |
167 | 0, 0, 0}, |
168 | {0} | |
169 | }; | |
170 | ||
171 | MODULE_DEVICE_TABLE(pci, snd_aw2_ids); | |
172 | ||
173 | /* pci_driver definition */ | |
174 | static struct pci_driver driver = { | |
3733e424 | 175 | .name = KBUILD_MODNAME, |
98f2a97f CB |
176 | .id_table = snd_aw2_ids, |
177 | .probe = snd_aw2_probe, | |
178 | .remove = __devexit_p(snd_aw2_remove), | |
179 | }; | |
180 | ||
181 | /* operators for playback PCM alsa interface */ | |
182 | static struct snd_pcm_ops snd_aw2_playback_ops = { | |
183 | .open = snd_aw2_pcm_playback_open, | |
184 | .close = snd_aw2_pcm_playback_close, | |
185 | .ioctl = snd_pcm_lib_ioctl, | |
186 | .hw_params = snd_aw2_pcm_hw_params, | |
187 | .hw_free = snd_aw2_pcm_hw_free, | |
188 | .prepare = snd_aw2_pcm_prepare_playback, | |
189 | .trigger = snd_aw2_pcm_trigger_playback, | |
190 | .pointer = snd_aw2_pcm_pointer_playback, | |
191 | }; | |
192 | ||
193 | /* operators for capture PCM alsa interface */ | |
194 | static struct snd_pcm_ops snd_aw2_capture_ops = { | |
195 | .open = snd_aw2_pcm_capture_open, | |
196 | .close = snd_aw2_pcm_capture_close, | |
197 | .ioctl = snd_pcm_lib_ioctl, | |
198 | .hw_params = snd_aw2_pcm_hw_params, | |
199 | .hw_free = snd_aw2_pcm_hw_free, | |
200 | .prepare = snd_aw2_pcm_prepare_capture, | |
201 | .trigger = snd_aw2_pcm_trigger_capture, | |
202 | .pointer = snd_aw2_pcm_pointer_capture, | |
203 | }; | |
204 | ||
205 | static struct snd_kcontrol_new aw2_control __devinitdata = { | |
206 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
207 | .name = "PCM Capture Route", | |
208 | .index = 0, | |
209 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
210 | .private_value = 0xffff, | |
211 | .info = snd_aw2_control_switch_capture_info, | |
212 | .get = snd_aw2_control_switch_capture_get, | |
213 | .put = snd_aw2_control_switch_capture_put | |
214 | }; | |
215 | ||
216 | /********************************* | |
217 | * FUNCTION IMPLEMENTATIONS | |
218 | ********************************/ | |
219 | ||
220 | /* initialization of the module */ | |
221 | static int __init alsa_card_aw2_init(void) | |
222 | { | |
223 | snd_printdd(KERN_DEBUG "aw2: Load aw2 module\n"); | |
224 | return pci_register_driver(&driver); | |
225 | } | |
226 | ||
227 | /* clean up the module */ | |
228 | static void __exit alsa_card_aw2_exit(void) | |
229 | { | |
230 | snd_printdd(KERN_DEBUG "aw2: Unload aw2 module\n"); | |
231 | pci_unregister_driver(&driver); | |
232 | } | |
233 | ||
234 | module_init(alsa_card_aw2_init); | |
235 | module_exit(alsa_card_aw2_exit); | |
236 | ||
237 | /* component-destructor */ | |
238 | static int snd_aw2_dev_free(struct snd_device *device) | |
239 | { | |
240 | struct aw2 *chip = device->device_data; | |
241 | ||
242 | /* Free hardware */ | |
243 | snd_aw2_saa7146_free(&chip->saa7146); | |
244 | ||
245 | /* release the irq */ | |
246 | if (chip->irq >= 0) | |
247 | free_irq(chip->irq, (void *)chip); | |
248 | /* release the i/o ports & memory */ | |
249 | if (chip->iobase_virt) | |
250 | iounmap(chip->iobase_virt); | |
251 | ||
252 | pci_release_regions(chip->pci); | |
253 | /* disable the PCI entry */ | |
254 | pci_disable_device(chip->pci); | |
255 | /* release the data */ | |
256 | kfree(chip); | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
261 | /* chip-specific constructor */ | |
262 | static int __devinit snd_aw2_create(struct snd_card *card, | |
263 | struct pci_dev *pci, struct aw2 **rchip) | |
264 | { | |
265 | struct aw2 *chip; | |
266 | int err; | |
267 | static struct snd_device_ops ops = { | |
268 | .dev_free = snd_aw2_dev_free, | |
269 | }; | |
270 | ||
271 | *rchip = NULL; | |
272 | ||
273 | /* initialize the PCI entry */ | |
274 | err = pci_enable_device(pci); | |
275 | if (err < 0) | |
276 | return err; | |
277 | pci_set_master(pci); | |
278 | ||
279 | /* check PCI availability (32bit DMA) */ | |
284901a9 YH |
280 | if ((pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) || |
281 | (pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0)) { | |
98f2a97f CB |
282 | printk(KERN_ERR "aw2: Impossible to set 32bit mask DMA\n"); |
283 | pci_disable_device(pci); | |
284 | return -ENXIO; | |
285 | } | |
286 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
287 | if (chip == NULL) { | |
288 | pci_disable_device(pci); | |
289 | return -ENOMEM; | |
290 | } | |
291 | ||
292 | /* initialize the stuff */ | |
293 | chip->card = card; | |
294 | chip->pci = pci; | |
295 | chip->irq = -1; | |
296 | ||
297 | /* (1) PCI resource allocation */ | |
298 | err = pci_request_regions(pci, "Audiowerk2"); | |
299 | if (err < 0) { | |
300 | pci_disable_device(pci); | |
301 | kfree(chip); | |
302 | return err; | |
303 | } | |
304 | chip->iobase_phys = pci_resource_start(pci, 0); | |
305 | chip->iobase_virt = | |
306 | ioremap_nocache(chip->iobase_phys, | |
307 | pci_resource_len(pci, 0)); | |
308 | ||
309 | if (chip->iobase_virt == NULL) { | |
310 | printk(KERN_ERR "aw2: unable to remap memory region"); | |
311 | pci_release_regions(pci); | |
312 | pci_disable_device(pci); | |
313 | kfree(chip); | |
314 | return -ENOMEM; | |
315 | } | |
316 | ||
44e05177 TI |
317 | /* (2) initialization of the chip hardware */ |
318 | snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); | |
98f2a97f CB |
319 | |
320 | if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, | |
934c2b6d | 321 | IRQF_SHARED, KBUILD_MODNAME, chip)) { |
98f2a97f CB |
322 | printk(KERN_ERR "aw2: Cannot grab irq %d\n", pci->irq); |
323 | ||
324 | iounmap(chip->iobase_virt); | |
325 | pci_release_regions(chip->pci); | |
326 | pci_disable_device(chip->pci); | |
327 | kfree(chip); | |
328 | return -EBUSY; | |
329 | } | |
330 | chip->irq = pci->irq; | |
331 | ||
98f2a97f CB |
332 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
333 | if (err < 0) { | |
334 | free_irq(chip->irq, (void *)chip); | |
335 | iounmap(chip->iobase_virt); | |
336 | pci_release_regions(chip->pci); | |
337 | pci_disable_device(chip->pci); | |
338 | kfree(chip); | |
339 | return err; | |
340 | } | |
341 | ||
342 | snd_card_set_dev(card, &pci->dev); | |
343 | *rchip = chip; | |
344 | ||
345 | printk(KERN_INFO | |
346 | "Audiowerk 2 sound card (saa7146 chipset) detected and " | |
347 | "managed\n"); | |
348 | return 0; | |
349 | } | |
350 | ||
351 | /* constructor */ | |
352 | static int __devinit snd_aw2_probe(struct pci_dev *pci, | |
353 | const struct pci_device_id *pci_id) | |
354 | { | |
355 | static int dev; | |
356 | struct snd_card *card; | |
357 | struct aw2 *chip; | |
358 | int err; | |
359 | ||
360 | /* (1) Continue if device is not enabled, else inc dev */ | |
361 | if (dev >= SNDRV_CARDS) | |
362 | return -ENODEV; | |
363 | if (!enable[dev]) { | |
364 | dev++; | |
365 | return -ENOENT; | |
366 | } | |
367 | ||
368 | /* (2) Create card instance */ | |
e58de7ba TI |
369 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); |
370 | if (err < 0) | |
371 | return err; | |
98f2a97f CB |
372 | |
373 | /* (3) Create main component */ | |
374 | err = snd_aw2_create(card, pci, &chip); | |
375 | if (err < 0) { | |
376 | snd_card_free(card); | |
377 | return err; | |
378 | } | |
379 | ||
380 | /* initialize mutex */ | |
381 | mutex_init(&chip->mtx); | |
382 | /* init spinlock */ | |
383 | spin_lock_init(&chip->reg_lock); | |
384 | /* (4) Define driver ID and name string */ | |
385 | strcpy(card->driver, "aw2"); | |
386 | strcpy(card->shortname, "Audiowerk2"); | |
387 | ||
388 | sprintf(card->longname, "%s with SAA7146 irq %i", | |
389 | card->shortname, chip->irq); | |
390 | ||
391 | /* (5) Create other components */ | |
392 | snd_aw2_new_pcm(chip); | |
393 | ||
394 | /* (6) Register card instance */ | |
395 | err = snd_card_register(card); | |
396 | if (err < 0) { | |
397 | snd_card_free(card); | |
398 | return err; | |
399 | } | |
400 | ||
401 | /* (7) Set PCI driver data */ | |
402 | pci_set_drvdata(pci, card); | |
403 | ||
404 | dev++; | |
405 | return 0; | |
406 | } | |
407 | ||
408 | /* destructor */ | |
409 | static void __devexit snd_aw2_remove(struct pci_dev *pci) | |
410 | { | |
411 | snd_card_free(pci_get_drvdata(pci)); | |
412 | pci_set_drvdata(pci, NULL); | |
413 | } | |
414 | ||
415 | /* open callback */ | |
416 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) | |
417 | { | |
418 | struct snd_pcm_runtime *runtime = substream->runtime; | |
419 | ||
34329fae | 420 | snd_printdd(KERN_DEBUG "aw2: Playback_open\n"); |
98f2a97f CB |
421 | runtime->hw = snd_aw2_playback_hw; |
422 | return 0; | |
423 | } | |
424 | ||
425 | /* close callback */ | |
426 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) | |
427 | { | |
428 | return 0; | |
429 | ||
430 | } | |
431 | ||
432 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) | |
433 | { | |
434 | struct snd_pcm_runtime *runtime = substream->runtime; | |
435 | ||
34329fae | 436 | snd_printdd(KERN_DEBUG "aw2: Capture_open\n"); |
98f2a97f CB |
437 | runtime->hw = snd_aw2_capture_hw; |
438 | return 0; | |
439 | } | |
440 | ||
441 | /* close callback */ | |
442 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) | |
443 | { | |
444 | /* TODO: something to do ? */ | |
445 | return 0; | |
446 | } | |
447 | ||
448 | /* hw_params callback */ | |
449 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
450 | struct snd_pcm_hw_params *hw_params) | |
451 | { | |
452 | return snd_pcm_lib_malloc_pages(substream, | |
453 | params_buffer_bytes(hw_params)); | |
454 | } | |
455 | ||
456 | /* hw_free callback */ | |
457 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream) | |
458 | { | |
459 | return snd_pcm_lib_free_pages(substream); | |
460 | } | |
461 | ||
462 | /* prepare callback for playback */ | |
463 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) | |
464 | { | |
465 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
466 | struct aw2 *chip = pcm_device->chip; | |
467 | struct snd_pcm_runtime *runtime = substream->runtime; | |
468 | unsigned long period_size, buffer_size; | |
469 | ||
470 | mutex_lock(&chip->mtx); | |
471 | ||
472 | period_size = snd_pcm_lib_period_bytes(substream); | |
473 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
474 | ||
475 | snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, | |
476 | pcm_device->stream_number, | |
477 | runtime->dma_addr, period_size, | |
478 | buffer_size); | |
479 | ||
480 | /* Define Interrupt callback */ | |
481 | snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, | |
482 | (snd_aw2_saa7146_it_cb) | |
483 | snd_pcm_period_elapsed, | |
484 | (void *)substream); | |
485 | ||
486 | mutex_unlock(&chip->mtx); | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | /* prepare callback for capture */ | |
492 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) | |
493 | { | |
494 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
495 | struct aw2 *chip = pcm_device->chip; | |
496 | struct snd_pcm_runtime *runtime = substream->runtime; | |
497 | unsigned long period_size, buffer_size; | |
498 | ||
499 | mutex_lock(&chip->mtx); | |
500 | ||
501 | period_size = snd_pcm_lib_period_bytes(substream); | |
502 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
503 | ||
504 | snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, | |
505 | pcm_device->stream_number, | |
506 | runtime->dma_addr, period_size, | |
507 | buffer_size); | |
508 | ||
509 | /* Define Interrupt callback */ | |
510 | snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, | |
511 | (snd_aw2_saa7146_it_cb) | |
512 | snd_pcm_period_elapsed, | |
513 | (void *)substream); | |
514 | ||
515 | mutex_unlock(&chip->mtx); | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | /* playback trigger callback */ | |
521 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
522 | int cmd) | |
523 | { | |
524 | int status = 0; | |
525 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
526 | struct aw2 *chip = pcm_device->chip; | |
527 | spin_lock(&chip->reg_lock); | |
528 | switch (cmd) { | |
529 | case SNDRV_PCM_TRIGGER_START: | |
530 | snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, | |
531 | pcm_device-> | |
532 | stream_number); | |
533 | break; | |
534 | case SNDRV_PCM_TRIGGER_STOP: | |
535 | snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, | |
536 | pcm_device-> | |
537 | stream_number); | |
538 | break; | |
539 | default: | |
540 | status = -EINVAL; | |
541 | } | |
542 | spin_unlock(&chip->reg_lock); | |
543 | return status; | |
544 | } | |
545 | ||
546 | /* capture trigger callback */ | |
547 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
548 | int cmd) | |
549 | { | |
550 | int status = 0; | |
551 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
552 | struct aw2 *chip = pcm_device->chip; | |
553 | spin_lock(&chip->reg_lock); | |
554 | switch (cmd) { | |
555 | case SNDRV_PCM_TRIGGER_START: | |
556 | snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, | |
557 | pcm_device-> | |
558 | stream_number); | |
559 | break; | |
560 | case SNDRV_PCM_TRIGGER_STOP: | |
561 | snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, | |
562 | pcm_device-> | |
563 | stream_number); | |
564 | break; | |
565 | default: | |
566 | status = -EINVAL; | |
567 | } | |
568 | spin_unlock(&chip->reg_lock); | |
569 | return status; | |
570 | } | |
571 | ||
572 | /* playback pointer callback */ | |
573 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
574 | *substream) | |
575 | { | |
576 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
577 | struct aw2 *chip = pcm_device->chip; | |
578 | unsigned int current_ptr; | |
579 | ||
580 | /* get the current hardware pointer */ | |
581 | struct snd_pcm_runtime *runtime = substream->runtime; | |
582 | current_ptr = | |
583 | snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, | |
584 | pcm_device->stream_number, | |
585 | runtime->dma_area, | |
586 | runtime->buffer_size); | |
587 | ||
588 | return bytes_to_frames(substream->runtime, current_ptr); | |
589 | } | |
590 | ||
591 | /* capture pointer callback */ | |
592 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
593 | *substream) | |
594 | { | |
595 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
596 | struct aw2 *chip = pcm_device->chip; | |
597 | unsigned int current_ptr; | |
598 | ||
599 | /* get the current hardware pointer */ | |
600 | struct snd_pcm_runtime *runtime = substream->runtime; | |
601 | current_ptr = | |
602 | snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, | |
603 | pcm_device->stream_number, | |
604 | runtime->dma_area, | |
605 | runtime->buffer_size); | |
606 | ||
607 | return bytes_to_frames(substream->runtime, current_ptr); | |
608 | } | |
609 | ||
610 | /* create a pcm device */ | |
611 | static int __devinit snd_aw2_new_pcm(struct aw2 *chip) | |
612 | { | |
613 | struct snd_pcm *pcm_playback_ana; | |
614 | struct snd_pcm *pcm_playback_num; | |
615 | struct snd_pcm *pcm_capture; | |
616 | struct aw2_pcm_device *pcm_device; | |
617 | int err = 0; | |
618 | ||
619 | /* Create new Alsa PCM device */ | |
620 | ||
621 | err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, | |
622 | &pcm_playback_ana); | |
623 | if (err < 0) { | |
624 | printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); | |
625 | return err; | |
626 | } | |
627 | ||
628 | /* Creation ok */ | |
629 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; | |
630 | ||
631 | /* Set PCM device name */ | |
632 | strcpy(pcm_playback_ana->name, "Analog playback"); | |
633 | /* Associate private data to PCM device */ | |
634 | pcm_playback_ana->private_data = pcm_device; | |
635 | /* set operators of PCM device */ | |
636 | snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, | |
637 | &snd_aw2_playback_ops); | |
638 | /* store PCM device */ | |
639 | pcm_device->pcm = pcm_playback_ana; | |
640 | /* give base chip pointer to our internal pcm device | |
641 | structure */ | |
642 | pcm_device->chip = chip; | |
643 | /* Give stream number to PCM device */ | |
644 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; | |
645 | ||
646 | /* pre-allocation of buffers */ | |
647 | /* Preallocate continuous pages. */ | |
648 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_ana, | |
649 | SNDRV_DMA_TYPE_DEV, | |
650 | snd_dma_pci_data | |
651 | (chip->pci), | |
652 | 64 * 1024, 64 * 1024); | |
653 | if (err) | |
654 | printk(KERN_ERR "aw2: snd_pcm_lib_preallocate_pages_for_all " | |
655 | "error (0x%X)\n", err); | |
656 | ||
657 | err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, | |
658 | &pcm_playback_num); | |
659 | ||
660 | if (err < 0) { | |
661 | printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); | |
662 | return err; | |
663 | } | |
664 | /* Creation ok */ | |
665 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; | |
666 | ||
667 | /* Set PCM device name */ | |
668 | strcpy(pcm_playback_num->name, "Digital playback"); | |
669 | /* Associate private data to PCM device */ | |
670 | pcm_playback_num->private_data = pcm_device; | |
671 | /* set operators of PCM device */ | |
672 | snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, | |
673 | &snd_aw2_playback_ops); | |
674 | /* store PCM device */ | |
675 | pcm_device->pcm = pcm_playback_num; | |
676 | /* give base chip pointer to our internal pcm device | |
677 | structure */ | |
678 | pcm_device->chip = chip; | |
679 | /* Give stream number to PCM device */ | |
680 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; | |
681 | ||
682 | /* pre-allocation of buffers */ | |
683 | /* Preallocate continuous pages. */ | |
684 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_num, | |
685 | SNDRV_DMA_TYPE_DEV, | |
686 | snd_dma_pci_data | |
687 | (chip->pci), | |
688 | 64 * 1024, 64 * 1024); | |
689 | if (err) | |
690 | printk(KERN_ERR | |
691 | "aw2: snd_pcm_lib_preallocate_pages_for_all error " | |
692 | "(0x%X)\n", err); | |
693 | ||
694 | ||
695 | ||
696 | err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, | |
697 | &pcm_capture); | |
698 | ||
699 | if (err < 0) { | |
700 | printk(KERN_ERR "aw2: snd_pcm_new error (0x%X)\n", err); | |
701 | return err; | |
702 | } | |
703 | ||
704 | /* Creation ok */ | |
705 | pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; | |
706 | ||
707 | /* Set PCM device name */ | |
708 | strcpy(pcm_capture->name, "Capture"); | |
709 | /* Associate private data to PCM device */ | |
710 | pcm_capture->private_data = pcm_device; | |
711 | /* set operators of PCM device */ | |
712 | snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, | |
713 | &snd_aw2_capture_ops); | |
714 | /* store PCM device */ | |
715 | pcm_device->pcm = pcm_capture; | |
716 | /* give base chip pointer to our internal pcm device | |
717 | structure */ | |
718 | pcm_device->chip = chip; | |
719 | /* Give stream number to PCM device */ | |
720 | pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; | |
721 | ||
722 | /* pre-allocation of buffers */ | |
723 | /* Preallocate continuous pages. */ | |
724 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_capture, | |
725 | SNDRV_DMA_TYPE_DEV, | |
726 | snd_dma_pci_data | |
727 | (chip->pci), | |
728 | 64 * 1024, 64 * 1024); | |
729 | if (err) | |
730 | printk(KERN_ERR | |
731 | "aw2: snd_pcm_lib_preallocate_pages_for_all error " | |
732 | "(0x%X)\n", err); | |
733 | ||
734 | ||
735 | /* Create control */ | |
736 | err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); | |
737 | if (err < 0) { | |
738 | printk(KERN_ERR "aw2: snd_ctl_add error (0x%X)\n", err); | |
739 | return err; | |
740 | } | |
741 | ||
742 | return 0; | |
743 | } | |
744 | ||
745 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
746 | struct snd_ctl_elem_info *uinfo) | |
747 | { | |
748 | static char *texts[2] = { | |
749 | "Analog", "Digital" | |
750 | }; | |
751 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
752 | uinfo->count = 1; | |
753 | uinfo->value.enumerated.items = 2; | |
754 | if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items) { | |
755 | uinfo->value.enumerated.item = | |
756 | uinfo->value.enumerated.items - 1; | |
757 | } | |
758 | strcpy(uinfo->value.enumerated.name, | |
759 | texts[uinfo->value.enumerated.item]); | |
760 | return 0; | |
761 | } | |
762 | ||
763 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
764 | struct snd_ctl_elem_value | |
765 | *ucontrol) | |
766 | { | |
767 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
768 | if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) | |
769 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; | |
770 | else | |
771 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; | |
772 | return 0; | |
773 | } | |
774 | ||
775 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
776 | struct snd_ctl_elem_value | |
777 | *ucontrol) | |
778 | { | |
779 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
780 | int changed = 0; | |
781 | int is_disgital = | |
782 | snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); | |
783 | ||
784 | if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) | |
785 | && !is_disgital) | |
786 | || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) | |
787 | && is_disgital)) { | |
788 | snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); | |
789 | changed = 1; | |
790 | } | |
791 | return changed; | |
792 | } |