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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 | ********************************/ | |
98f2a97f | 115 | static int snd_aw2_dev_free(struct snd_device *device); |
e23e7a14 BP |
116 | static int snd_aw2_create(struct snd_card *card, |
117 | struct pci_dev *pci, struct aw2 **rchip); | |
118 | static int snd_aw2_probe(struct pci_dev *pci, | |
119 | const struct pci_device_id *pci_id); | |
120 | static void snd_aw2_remove(struct pci_dev *pci); | |
98f2a97f CB |
121 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream); |
122 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream); | |
123 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); | |
124 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream); | |
125 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
126 | struct snd_pcm_hw_params *hw_params); | |
127 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream); | |
128 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); | |
129 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); | |
130 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
131 | int cmd); | |
132 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
133 | int cmd); | |
134 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
135 | *substream); | |
136 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
137 | *substream); | |
e23e7a14 | 138 | static int snd_aw2_new_pcm(struct aw2 *chip); |
98f2a97f CB |
139 | |
140 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
141 | struct snd_ctl_elem_info *uinfo); | |
142 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
143 | struct snd_ctl_elem_value | |
144 | *ucontrol); | |
145 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
146 | struct snd_ctl_elem_value | |
147 | *ucontrol); | |
148 | ||
149 | /********************************* | |
150 | * VARIABLES | |
151 | ********************************/ | |
152 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
153 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
a67ff6a5 | 154 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
98f2a97f | 155 | |
34b6757d TI |
156 | module_param_array(index, int, NULL, 0444); |
157 | MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); | |
158 | module_param_array(id, charp, NULL, 0444); | |
159 | MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); | |
160 | module_param_array(enable, bool, NULL, 0444); | |
161 | MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); | |
162 | ||
9baa3c34 | 163 | static const struct pci_device_id snd_aw2_ids[] = { |
34329fae | 164 | {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, |
98f2a97f CB |
165 | 0, 0, 0}, |
166 | {0} | |
167 | }; | |
168 | ||
169 | MODULE_DEVICE_TABLE(pci, snd_aw2_ids); | |
170 | ||
171 | /* pci_driver definition */ | |
e9f66d9b | 172 | static struct pci_driver aw2_driver = { |
3733e424 | 173 | .name = KBUILD_MODNAME, |
98f2a97f CB |
174 | .id_table = snd_aw2_ids, |
175 | .probe = snd_aw2_probe, | |
e23e7a14 | 176 | .remove = snd_aw2_remove, |
98f2a97f CB |
177 | }; |
178 | ||
e9f66d9b TI |
179 | module_pci_driver(aw2_driver); |
180 | ||
98f2a97f CB |
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 | ||
e23e7a14 | 205 | static struct snd_kcontrol_new aw2_control = { |
98f2a97f CB |
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 | ||
98f2a97f CB |
220 | /* component-destructor */ |
221 | static int snd_aw2_dev_free(struct snd_device *device) | |
222 | { | |
223 | struct aw2 *chip = device->device_data; | |
224 | ||
225 | /* Free hardware */ | |
226 | snd_aw2_saa7146_free(&chip->saa7146); | |
227 | ||
228 | /* release the irq */ | |
229 | if (chip->irq >= 0) | |
230 | free_irq(chip->irq, (void *)chip); | |
231 | /* release the i/o ports & memory */ | |
ff6defa6 | 232 | iounmap(chip->iobase_virt); |
98f2a97f CB |
233 | pci_release_regions(chip->pci); |
234 | /* disable the PCI entry */ | |
235 | pci_disable_device(chip->pci); | |
236 | /* release the data */ | |
237 | kfree(chip); | |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
242 | /* chip-specific constructor */ | |
e23e7a14 BP |
243 | static int snd_aw2_create(struct snd_card *card, |
244 | struct pci_dev *pci, struct aw2 **rchip) | |
98f2a97f CB |
245 | { |
246 | struct aw2 *chip; | |
247 | int err; | |
248 | static struct snd_device_ops ops = { | |
249 | .dev_free = snd_aw2_dev_free, | |
250 | }; | |
251 | ||
252 | *rchip = NULL; | |
253 | ||
254 | /* initialize the PCI entry */ | |
255 | err = pci_enable_device(pci); | |
256 | if (err < 0) | |
257 | return err; | |
258 | pci_set_master(pci); | |
259 | ||
260 | /* check PCI availability (32bit DMA) */ | |
284901a9 YH |
261 | if ((pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) || |
262 | (pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0)) { | |
179bb7f1 | 263 | dev_err(card->dev, "Impossible to set 32bit mask DMA\n"); |
98f2a97f CB |
264 | pci_disable_device(pci); |
265 | return -ENXIO; | |
266 | } | |
267 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
268 | if (chip == NULL) { | |
269 | pci_disable_device(pci); | |
270 | return -ENOMEM; | |
271 | } | |
272 | ||
273 | /* initialize the stuff */ | |
274 | chip->card = card; | |
275 | chip->pci = pci; | |
276 | chip->irq = -1; | |
277 | ||
278 | /* (1) PCI resource allocation */ | |
279 | err = pci_request_regions(pci, "Audiowerk2"); | |
280 | if (err < 0) { | |
281 | pci_disable_device(pci); | |
282 | kfree(chip); | |
283 | return err; | |
284 | } | |
285 | chip->iobase_phys = pci_resource_start(pci, 0); | |
286 | chip->iobase_virt = | |
287 | ioremap_nocache(chip->iobase_phys, | |
288 | pci_resource_len(pci, 0)); | |
289 | ||
290 | if (chip->iobase_virt == NULL) { | |
179bb7f1 | 291 | dev_err(card->dev, "unable to remap memory region"); |
98f2a97f CB |
292 | pci_release_regions(pci); |
293 | pci_disable_device(pci); | |
294 | kfree(chip); | |
295 | return -ENOMEM; | |
296 | } | |
297 | ||
44e05177 TI |
298 | /* (2) initialization of the chip hardware */ |
299 | snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); | |
98f2a97f CB |
300 | |
301 | if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, | |
934c2b6d | 302 | IRQF_SHARED, KBUILD_MODNAME, chip)) { |
179bb7f1 | 303 | dev_err(card->dev, "Cannot grab irq %d\n", pci->irq); |
98f2a97f CB |
304 | |
305 | iounmap(chip->iobase_virt); | |
306 | pci_release_regions(chip->pci); | |
307 | pci_disable_device(chip->pci); | |
308 | kfree(chip); | |
309 | return -EBUSY; | |
310 | } | |
311 | chip->irq = pci->irq; | |
312 | ||
98f2a97f CB |
313 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
314 | if (err < 0) { | |
315 | free_irq(chip->irq, (void *)chip); | |
316 | iounmap(chip->iobase_virt); | |
317 | pci_release_regions(chip->pci); | |
318 | pci_disable_device(chip->pci); | |
319 | kfree(chip); | |
320 | return err; | |
321 | } | |
322 | ||
98f2a97f CB |
323 | *rchip = chip; |
324 | ||
179bb7f1 TI |
325 | dev_info(card->dev, |
326 | "Audiowerk 2 sound card (saa7146 chipset) detected and managed\n"); | |
98f2a97f CB |
327 | return 0; |
328 | } | |
329 | ||
330 | /* constructor */ | |
e23e7a14 BP |
331 | static int snd_aw2_probe(struct pci_dev *pci, |
332 | const struct pci_device_id *pci_id) | |
98f2a97f CB |
333 | { |
334 | static int dev; | |
335 | struct snd_card *card; | |
336 | struct aw2 *chip; | |
337 | int err; | |
338 | ||
339 | /* (1) Continue if device is not enabled, else inc dev */ | |
340 | if (dev >= SNDRV_CARDS) | |
341 | return -ENODEV; | |
342 | if (!enable[dev]) { | |
343 | dev++; | |
344 | return -ENOENT; | |
345 | } | |
346 | ||
347 | /* (2) Create card instance */ | |
60c5772b TI |
348 | err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, |
349 | 0, &card); | |
e58de7ba TI |
350 | if (err < 0) |
351 | return err; | |
98f2a97f CB |
352 | |
353 | /* (3) Create main component */ | |
354 | err = snd_aw2_create(card, pci, &chip); | |
355 | if (err < 0) { | |
356 | snd_card_free(card); | |
357 | return err; | |
358 | } | |
359 | ||
360 | /* initialize mutex */ | |
361 | mutex_init(&chip->mtx); | |
362 | /* init spinlock */ | |
363 | spin_lock_init(&chip->reg_lock); | |
364 | /* (4) Define driver ID and name string */ | |
365 | strcpy(card->driver, "aw2"); | |
366 | strcpy(card->shortname, "Audiowerk2"); | |
367 | ||
368 | sprintf(card->longname, "%s with SAA7146 irq %i", | |
369 | card->shortname, chip->irq); | |
370 | ||
371 | /* (5) Create other components */ | |
372 | snd_aw2_new_pcm(chip); | |
373 | ||
374 | /* (6) Register card instance */ | |
375 | err = snd_card_register(card); | |
376 | if (err < 0) { | |
377 | snd_card_free(card); | |
378 | return err; | |
379 | } | |
380 | ||
381 | /* (7) Set PCI driver data */ | |
382 | pci_set_drvdata(pci, card); | |
383 | ||
384 | dev++; | |
385 | return 0; | |
386 | } | |
387 | ||
388 | /* destructor */ | |
e23e7a14 | 389 | static void snd_aw2_remove(struct pci_dev *pci) |
98f2a97f CB |
390 | { |
391 | snd_card_free(pci_get_drvdata(pci)); | |
98f2a97f CB |
392 | } |
393 | ||
394 | /* open callback */ | |
395 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) | |
396 | { | |
397 | struct snd_pcm_runtime *runtime = substream->runtime; | |
398 | ||
179bb7f1 | 399 | dev_dbg(substream->pcm->card->dev, "Playback_open\n"); |
98f2a97f CB |
400 | runtime->hw = snd_aw2_playback_hw; |
401 | return 0; | |
402 | } | |
403 | ||
404 | /* close callback */ | |
405 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) | |
406 | { | |
407 | return 0; | |
408 | ||
409 | } | |
410 | ||
411 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) | |
412 | { | |
413 | struct snd_pcm_runtime *runtime = substream->runtime; | |
414 | ||
179bb7f1 | 415 | dev_dbg(substream->pcm->card->dev, "Capture_open\n"); |
98f2a97f CB |
416 | runtime->hw = snd_aw2_capture_hw; |
417 | return 0; | |
418 | } | |
419 | ||
420 | /* close callback */ | |
421 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) | |
422 | { | |
423 | /* TODO: something to do ? */ | |
424 | return 0; | |
425 | } | |
426 | ||
427 | /* hw_params callback */ | |
428 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
429 | struct snd_pcm_hw_params *hw_params) | |
430 | { | |
431 | return snd_pcm_lib_malloc_pages(substream, | |
432 | params_buffer_bytes(hw_params)); | |
433 | } | |
434 | ||
435 | /* hw_free callback */ | |
436 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream) | |
437 | { | |
438 | return snd_pcm_lib_free_pages(substream); | |
439 | } | |
440 | ||
441 | /* prepare callback for playback */ | |
442 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) | |
443 | { | |
444 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
445 | struct aw2 *chip = pcm_device->chip; | |
446 | struct snd_pcm_runtime *runtime = substream->runtime; | |
447 | unsigned long period_size, buffer_size; | |
448 | ||
449 | mutex_lock(&chip->mtx); | |
450 | ||
451 | period_size = snd_pcm_lib_period_bytes(substream); | |
452 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
453 | ||
454 | snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, | |
455 | pcm_device->stream_number, | |
456 | runtime->dma_addr, period_size, | |
457 | buffer_size); | |
458 | ||
459 | /* Define Interrupt callback */ | |
460 | snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, | |
461 | (snd_aw2_saa7146_it_cb) | |
462 | snd_pcm_period_elapsed, | |
463 | (void *)substream); | |
464 | ||
465 | mutex_unlock(&chip->mtx); | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | /* prepare callback for capture */ | |
471 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) | |
472 | { | |
473 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
474 | struct aw2 *chip = pcm_device->chip; | |
475 | struct snd_pcm_runtime *runtime = substream->runtime; | |
476 | unsigned long period_size, buffer_size; | |
477 | ||
478 | mutex_lock(&chip->mtx); | |
479 | ||
480 | period_size = snd_pcm_lib_period_bytes(substream); | |
481 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
482 | ||
483 | snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, | |
484 | pcm_device->stream_number, | |
485 | runtime->dma_addr, period_size, | |
486 | buffer_size); | |
487 | ||
488 | /* Define Interrupt callback */ | |
489 | snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, | |
490 | (snd_aw2_saa7146_it_cb) | |
491 | snd_pcm_period_elapsed, | |
492 | (void *)substream); | |
493 | ||
494 | mutex_unlock(&chip->mtx); | |
495 | ||
496 | return 0; | |
497 | } | |
498 | ||
499 | /* playback trigger callback */ | |
500 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
501 | int cmd) | |
502 | { | |
503 | int status = 0; | |
504 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
505 | struct aw2 *chip = pcm_device->chip; | |
506 | spin_lock(&chip->reg_lock); | |
507 | switch (cmd) { | |
508 | case SNDRV_PCM_TRIGGER_START: | |
509 | snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, | |
510 | pcm_device-> | |
511 | stream_number); | |
512 | break; | |
513 | case SNDRV_PCM_TRIGGER_STOP: | |
514 | snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, | |
515 | pcm_device-> | |
516 | stream_number); | |
517 | break; | |
518 | default: | |
519 | status = -EINVAL; | |
520 | } | |
521 | spin_unlock(&chip->reg_lock); | |
522 | return status; | |
523 | } | |
524 | ||
525 | /* capture trigger callback */ | |
526 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
527 | int cmd) | |
528 | { | |
529 | int status = 0; | |
530 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
531 | struct aw2 *chip = pcm_device->chip; | |
532 | spin_lock(&chip->reg_lock); | |
533 | switch (cmd) { | |
534 | case SNDRV_PCM_TRIGGER_START: | |
535 | snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, | |
536 | pcm_device-> | |
537 | stream_number); | |
538 | break; | |
539 | case SNDRV_PCM_TRIGGER_STOP: | |
540 | snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, | |
541 | pcm_device-> | |
542 | stream_number); | |
543 | break; | |
544 | default: | |
545 | status = -EINVAL; | |
546 | } | |
547 | spin_unlock(&chip->reg_lock); | |
548 | return status; | |
549 | } | |
550 | ||
551 | /* playback pointer callback */ | |
552 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
553 | *substream) | |
554 | { | |
555 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
556 | struct aw2 *chip = pcm_device->chip; | |
557 | unsigned int current_ptr; | |
558 | ||
559 | /* get the current hardware pointer */ | |
560 | struct snd_pcm_runtime *runtime = substream->runtime; | |
561 | current_ptr = | |
562 | snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, | |
563 | pcm_device->stream_number, | |
564 | runtime->dma_area, | |
565 | runtime->buffer_size); | |
566 | ||
567 | return bytes_to_frames(substream->runtime, current_ptr); | |
568 | } | |
569 | ||
570 | /* capture pointer callback */ | |
571 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
572 | *substream) | |
573 | { | |
574 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
575 | struct aw2 *chip = pcm_device->chip; | |
576 | unsigned int current_ptr; | |
577 | ||
578 | /* get the current hardware pointer */ | |
579 | struct snd_pcm_runtime *runtime = substream->runtime; | |
580 | current_ptr = | |
581 | snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, | |
582 | pcm_device->stream_number, | |
583 | runtime->dma_area, | |
584 | runtime->buffer_size); | |
585 | ||
586 | return bytes_to_frames(substream->runtime, current_ptr); | |
587 | } | |
588 | ||
589 | /* create a pcm device */ | |
e23e7a14 | 590 | static int snd_aw2_new_pcm(struct aw2 *chip) |
98f2a97f CB |
591 | { |
592 | struct snd_pcm *pcm_playback_ana; | |
593 | struct snd_pcm *pcm_playback_num; | |
594 | struct snd_pcm *pcm_capture; | |
595 | struct aw2_pcm_device *pcm_device; | |
596 | int err = 0; | |
597 | ||
598 | /* Create new Alsa PCM device */ | |
599 | ||
600 | err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, | |
601 | &pcm_playback_ana); | |
602 | if (err < 0) { | |
179bb7f1 | 603 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
604 | return err; |
605 | } | |
606 | ||
607 | /* Creation ok */ | |
608 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; | |
609 | ||
610 | /* Set PCM device name */ | |
611 | strcpy(pcm_playback_ana->name, "Analog playback"); | |
612 | /* Associate private data to PCM device */ | |
613 | pcm_playback_ana->private_data = pcm_device; | |
614 | /* set operators of PCM device */ | |
615 | snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, | |
616 | &snd_aw2_playback_ops); | |
617 | /* store PCM device */ | |
618 | pcm_device->pcm = pcm_playback_ana; | |
619 | /* give base chip pointer to our internal pcm device | |
620 | structure */ | |
621 | pcm_device->chip = chip; | |
622 | /* Give stream number to PCM device */ | |
623 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; | |
624 | ||
625 | /* pre-allocation of buffers */ | |
626 | /* Preallocate continuous pages. */ | |
627 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_ana, | |
628 | SNDRV_DMA_TYPE_DEV, | |
629 | snd_dma_pci_data | |
630 | (chip->pci), | |
631 | 64 * 1024, 64 * 1024); | |
632 | if (err) | |
179bb7f1 TI |
633 | dev_err(chip->card->dev, |
634 | "snd_pcm_lib_preallocate_pages_for_all error (0x%X)\n", | |
635 | err); | |
98f2a97f CB |
636 | |
637 | err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, | |
638 | &pcm_playback_num); | |
639 | ||
640 | if (err < 0) { | |
179bb7f1 | 641 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
642 | return err; |
643 | } | |
644 | /* Creation ok */ | |
645 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; | |
646 | ||
647 | /* Set PCM device name */ | |
648 | strcpy(pcm_playback_num->name, "Digital playback"); | |
649 | /* Associate private data to PCM device */ | |
650 | pcm_playback_num->private_data = pcm_device; | |
651 | /* set operators of PCM device */ | |
652 | snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, | |
653 | &snd_aw2_playback_ops); | |
654 | /* store PCM device */ | |
655 | pcm_device->pcm = pcm_playback_num; | |
656 | /* give base chip pointer to our internal pcm device | |
657 | structure */ | |
658 | pcm_device->chip = chip; | |
659 | /* Give stream number to PCM device */ | |
660 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; | |
661 | ||
662 | /* pre-allocation of buffers */ | |
663 | /* Preallocate continuous pages. */ | |
664 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_playback_num, | |
665 | SNDRV_DMA_TYPE_DEV, | |
666 | snd_dma_pci_data | |
667 | (chip->pci), | |
668 | 64 * 1024, 64 * 1024); | |
669 | if (err) | |
179bb7f1 TI |
670 | dev_err(chip->card->dev, |
671 | "snd_pcm_lib_preallocate_pages_for_all error (0x%X)\n", | |
672 | err); | |
98f2a97f CB |
673 | |
674 | err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, | |
675 | &pcm_capture); | |
676 | ||
677 | if (err < 0) { | |
179bb7f1 | 678 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
679 | return err; |
680 | } | |
681 | ||
682 | /* Creation ok */ | |
683 | pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; | |
684 | ||
685 | /* Set PCM device name */ | |
686 | strcpy(pcm_capture->name, "Capture"); | |
687 | /* Associate private data to PCM device */ | |
688 | pcm_capture->private_data = pcm_device; | |
689 | /* set operators of PCM device */ | |
690 | snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, | |
691 | &snd_aw2_capture_ops); | |
692 | /* store PCM device */ | |
693 | pcm_device->pcm = pcm_capture; | |
694 | /* give base chip pointer to our internal pcm device | |
695 | structure */ | |
696 | pcm_device->chip = chip; | |
697 | /* Give stream number to PCM device */ | |
698 | pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; | |
699 | ||
700 | /* pre-allocation of buffers */ | |
701 | /* Preallocate continuous pages. */ | |
702 | err = snd_pcm_lib_preallocate_pages_for_all(pcm_capture, | |
703 | SNDRV_DMA_TYPE_DEV, | |
704 | snd_dma_pci_data | |
705 | (chip->pci), | |
706 | 64 * 1024, 64 * 1024); | |
707 | if (err) | |
179bb7f1 TI |
708 | dev_err(chip->card->dev, |
709 | "snd_pcm_lib_preallocate_pages_for_all error (0x%X)\n", | |
710 | err); | |
98f2a97f CB |
711 | |
712 | ||
713 | /* Create control */ | |
714 | err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); | |
715 | if (err < 0) { | |
179bb7f1 | 716 | dev_err(chip->card->dev, "snd_ctl_add error (0x%X)\n", err); |
98f2a97f CB |
717 | return err; |
718 | } | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
723 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
724 | struct snd_ctl_elem_info *uinfo) | |
725 | { | |
4d765e48 | 726 | static const char * const texts[2] = { |
98f2a97f CB |
727 | "Analog", "Digital" |
728 | }; | |
4d765e48 | 729 | return snd_ctl_enum_info(uinfo, 1, 2, texts); |
98f2a97f CB |
730 | } |
731 | ||
732 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
733 | struct snd_ctl_elem_value | |
734 | *ucontrol) | |
735 | { | |
736 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
737 | if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) | |
738 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; | |
739 | else | |
740 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
745 | struct snd_ctl_elem_value | |
746 | *ucontrol) | |
747 | { | |
748 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
749 | int changed = 0; | |
750 | int is_disgital = | |
751 | snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); | |
752 | ||
753 | if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) | |
754 | && !is_disgital) | |
755 | || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) | |
756 | && is_disgital)) { | |
757 | snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); | |
758 | changed = 1; | |
759 | } | |
760 | return changed; | |
761 | } |