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023b915e | 1 | // SPDX-License-Identifier: GPL-2.0-only |
98f2a97f CB |
2 | /***************************************************************************** |
3 | * | |
4 | * Copyright (C) 2008 Cedric Bregardis <cedric.bregardis@free.fr> and | |
5 | * Jean-Christian Hassler <jhassler@free.fr> | |
6 | * | |
7 | * This file is part of the Audiowerk2 ALSA driver | |
8 | * | |
98f2a97f CB |
9 | *****************************************************************************/ |
10 | #include <linux/init.h> | |
11 | #include <linux/pci.h> | |
91e24faa | 12 | #include <linux/dma-mapping.h> |
98f2a97f CB |
13 | #include <linux/slab.h> |
14 | #include <linux/interrupt.h> | |
15 | #include <linux/delay.h> | |
34329fae | 16 | #include <linux/io.h> |
da155d5b | 17 | #include <linux/module.h> |
98f2a97f CB |
18 | #include <sound/core.h> |
19 | #include <sound/initval.h> | |
20 | #include <sound/pcm.h> | |
21 | #include <sound/pcm_params.h> | |
22 | #include <sound/control.h> | |
23 | ||
24 | #include "saa7146.h" | |
25 | #include "aw2-saa7146.h" | |
26 | ||
98f2a97f CB |
27 | MODULE_AUTHOR("Cedric Bregardis <cedric.bregardis@free.fr>, " |
28 | "Jean-Christian Hassler <jhassler@free.fr>"); | |
29 | MODULE_DESCRIPTION("Emagic Audiowerk 2 sound driver"); | |
30 | MODULE_LICENSE("GPL"); | |
31 | ||
32 | /********************************* | |
33 | * DEFINES | |
34 | ********************************/ | |
98f2a97f CB |
35 | #define CTL_ROUTE_ANALOG 0 |
36 | #define CTL_ROUTE_DIGITAL 1 | |
37 | ||
38 | /********************************* | |
39 | * TYPEDEFS | |
40 | ********************************/ | |
41 | /* hardware definition */ | |
343fd505 | 42 | static const struct snd_pcm_hardware snd_aw2_playback_hw = { |
98f2a97f CB |
43 | .info = (SNDRV_PCM_INFO_MMAP | |
44 | SNDRV_PCM_INFO_INTERLEAVED | | |
45 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), | |
46 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
47 | .rates = SNDRV_PCM_RATE_44100, | |
48 | .rate_min = 44100, | |
49 | .rate_max = 44100, | |
50 | .channels_min = 2, | |
51 | .channels_max = 4, | |
52 | .buffer_bytes_max = 32768, | |
53 | .period_bytes_min = 4096, | |
54 | .period_bytes_max = 32768, | |
55 | .periods_min = 1, | |
56 | .periods_max = 1024, | |
57 | }; | |
58 | ||
343fd505 | 59 | static const struct snd_pcm_hardware snd_aw2_capture_hw = { |
98f2a97f CB |
60 | .info = (SNDRV_PCM_INFO_MMAP | |
61 | SNDRV_PCM_INFO_INTERLEAVED | | |
62 | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), | |
63 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
64 | .rates = SNDRV_PCM_RATE_44100, | |
65 | .rate_min = 44100, | |
66 | .rate_max = 44100, | |
67 | .channels_min = 2, | |
68 | .channels_max = 2, | |
69 | .buffer_bytes_max = 32768, | |
70 | .period_bytes_min = 4096, | |
71 | .period_bytes_max = 32768, | |
72 | .periods_min = 1, | |
73 | .periods_max = 1024, | |
74 | }; | |
75 | ||
76 | struct aw2_pcm_device { | |
77 | struct snd_pcm *pcm; | |
78 | unsigned int stream_number; | |
79 | struct aw2 *chip; | |
80 | }; | |
81 | ||
82 | struct aw2 { | |
83 | struct snd_aw2_saa7146 saa7146; | |
84 | ||
85 | struct pci_dev *pci; | |
86 | int irq; | |
87 | spinlock_t reg_lock; | |
88 | struct mutex mtx; | |
89 | ||
90 | unsigned long iobase_phys; | |
91 | void __iomem *iobase_virt; | |
92 | ||
93 | struct snd_card *card; | |
94 | ||
95 | struct aw2_pcm_device device_playback[NB_STREAM_PLAYBACK]; | |
96 | struct aw2_pcm_device device_capture[NB_STREAM_CAPTURE]; | |
97 | }; | |
98 | ||
99 | /********************************* | |
100 | * FUNCTION DECLARATIONS | |
101 | ********************************/ | |
98f2a97f | 102 | static int snd_aw2_dev_free(struct snd_device *device); |
e23e7a14 BP |
103 | static int snd_aw2_create(struct snd_card *card, |
104 | struct pci_dev *pci, struct aw2 **rchip); | |
105 | static int snd_aw2_probe(struct pci_dev *pci, | |
106 | const struct pci_device_id *pci_id); | |
107 | static void snd_aw2_remove(struct pci_dev *pci); | |
98f2a97f CB |
108 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream); |
109 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream); | |
110 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream); | |
111 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream); | |
112 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
113 | struct snd_pcm_hw_params *hw_params); | |
114 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream); | |
115 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); | |
116 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); | |
117 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
118 | int cmd); | |
119 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
120 | int cmd); | |
121 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
122 | *substream); | |
123 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
124 | *substream); | |
e23e7a14 | 125 | static int snd_aw2_new_pcm(struct aw2 *chip); |
98f2a97f CB |
126 | |
127 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
128 | struct snd_ctl_elem_info *uinfo); | |
129 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
130 | struct snd_ctl_elem_value | |
131 | *ucontrol); | |
132 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
133 | struct snd_ctl_elem_value | |
134 | *ucontrol); | |
135 | ||
136 | /********************************* | |
137 | * VARIABLES | |
138 | ********************************/ | |
139 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
140 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
a67ff6a5 | 141 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
98f2a97f | 142 | |
34b6757d TI |
143 | module_param_array(index, int, NULL, 0444); |
144 | MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); | |
145 | module_param_array(id, charp, NULL, 0444); | |
146 | MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); | |
147 | module_param_array(enable, bool, NULL, 0444); | |
148 | MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); | |
149 | ||
9baa3c34 | 150 | static const struct pci_device_id snd_aw2_ids[] = { |
34329fae | 151 | {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, |
98f2a97f CB |
152 | 0, 0, 0}, |
153 | {0} | |
154 | }; | |
155 | ||
156 | MODULE_DEVICE_TABLE(pci, snd_aw2_ids); | |
157 | ||
158 | /* pci_driver definition */ | |
e9f66d9b | 159 | static struct pci_driver aw2_driver = { |
3733e424 | 160 | .name = KBUILD_MODNAME, |
98f2a97f CB |
161 | .id_table = snd_aw2_ids, |
162 | .probe = snd_aw2_probe, | |
e23e7a14 | 163 | .remove = snd_aw2_remove, |
98f2a97f CB |
164 | }; |
165 | ||
e9f66d9b TI |
166 | module_pci_driver(aw2_driver); |
167 | ||
98f2a97f | 168 | /* operators for playback PCM alsa interface */ |
6769e988 | 169 | static const struct snd_pcm_ops snd_aw2_playback_ops = { |
98f2a97f CB |
170 | .open = snd_aw2_pcm_playback_open, |
171 | .close = snd_aw2_pcm_playback_close, | |
172 | .ioctl = snd_pcm_lib_ioctl, | |
173 | .hw_params = snd_aw2_pcm_hw_params, | |
174 | .hw_free = snd_aw2_pcm_hw_free, | |
175 | .prepare = snd_aw2_pcm_prepare_playback, | |
176 | .trigger = snd_aw2_pcm_trigger_playback, | |
177 | .pointer = snd_aw2_pcm_pointer_playback, | |
178 | }; | |
179 | ||
180 | /* operators for capture PCM alsa interface */ | |
6769e988 | 181 | static const struct snd_pcm_ops snd_aw2_capture_ops = { |
98f2a97f CB |
182 | .open = snd_aw2_pcm_capture_open, |
183 | .close = snd_aw2_pcm_capture_close, | |
184 | .ioctl = snd_pcm_lib_ioctl, | |
185 | .hw_params = snd_aw2_pcm_hw_params, | |
186 | .hw_free = snd_aw2_pcm_hw_free, | |
187 | .prepare = snd_aw2_pcm_prepare_capture, | |
188 | .trigger = snd_aw2_pcm_trigger_capture, | |
189 | .pointer = snd_aw2_pcm_pointer_capture, | |
190 | }; | |
191 | ||
f3b827e0 | 192 | static const struct snd_kcontrol_new aw2_control = { |
98f2a97f CB |
193 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
194 | .name = "PCM Capture Route", | |
195 | .index = 0, | |
196 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
197 | .private_value = 0xffff, | |
198 | .info = snd_aw2_control_switch_capture_info, | |
199 | .get = snd_aw2_control_switch_capture_get, | |
200 | .put = snd_aw2_control_switch_capture_put | |
201 | }; | |
202 | ||
203 | /********************************* | |
204 | * FUNCTION IMPLEMENTATIONS | |
205 | ********************************/ | |
206 | ||
98f2a97f CB |
207 | /* component-destructor */ |
208 | static int snd_aw2_dev_free(struct snd_device *device) | |
209 | { | |
210 | struct aw2 *chip = device->device_data; | |
211 | ||
212 | /* Free hardware */ | |
213 | snd_aw2_saa7146_free(&chip->saa7146); | |
214 | ||
215 | /* release the irq */ | |
216 | if (chip->irq >= 0) | |
217 | free_irq(chip->irq, (void *)chip); | |
218 | /* release the i/o ports & memory */ | |
ff6defa6 | 219 | iounmap(chip->iobase_virt); |
98f2a97f CB |
220 | pci_release_regions(chip->pci); |
221 | /* disable the PCI entry */ | |
222 | pci_disable_device(chip->pci); | |
223 | /* release the data */ | |
224 | kfree(chip); | |
225 | ||
226 | return 0; | |
227 | } | |
228 | ||
229 | /* chip-specific constructor */ | |
e23e7a14 BP |
230 | static int snd_aw2_create(struct snd_card *card, |
231 | struct pci_dev *pci, struct aw2 **rchip) | |
98f2a97f CB |
232 | { |
233 | struct aw2 *chip; | |
234 | int err; | |
235 | static struct snd_device_ops ops = { | |
236 | .dev_free = snd_aw2_dev_free, | |
237 | }; | |
238 | ||
239 | *rchip = NULL; | |
240 | ||
241 | /* initialize the PCI entry */ | |
242 | err = pci_enable_device(pci); | |
243 | if (err < 0) | |
244 | return err; | |
245 | pci_set_master(pci); | |
246 | ||
247 | /* check PCI availability (32bit DMA) */ | |
412b979c QL |
248 | if ((dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) || |
249 | (dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)) < 0)) { | |
179bb7f1 | 250 | dev_err(card->dev, "Impossible to set 32bit mask DMA\n"); |
98f2a97f CB |
251 | pci_disable_device(pci); |
252 | return -ENXIO; | |
253 | } | |
254 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
255 | if (chip == NULL) { | |
256 | pci_disable_device(pci); | |
257 | return -ENOMEM; | |
258 | } | |
259 | ||
260 | /* initialize the stuff */ | |
261 | chip->card = card; | |
262 | chip->pci = pci; | |
263 | chip->irq = -1; | |
264 | ||
265 | /* (1) PCI resource allocation */ | |
266 | err = pci_request_regions(pci, "Audiowerk2"); | |
267 | if (err < 0) { | |
268 | pci_disable_device(pci); | |
269 | kfree(chip); | |
270 | return err; | |
271 | } | |
272 | chip->iobase_phys = pci_resource_start(pci, 0); | |
273 | chip->iobase_virt = | |
274 | ioremap_nocache(chip->iobase_phys, | |
275 | pci_resource_len(pci, 0)); | |
276 | ||
277 | if (chip->iobase_virt == NULL) { | |
179bb7f1 | 278 | dev_err(card->dev, "unable to remap memory region"); |
98f2a97f CB |
279 | pci_release_regions(pci); |
280 | pci_disable_device(pci); | |
281 | kfree(chip); | |
282 | return -ENOMEM; | |
283 | } | |
284 | ||
44e05177 TI |
285 | /* (2) initialization of the chip hardware */ |
286 | snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); | |
98f2a97f CB |
287 | |
288 | if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, | |
934c2b6d | 289 | IRQF_SHARED, KBUILD_MODNAME, chip)) { |
179bb7f1 | 290 | dev_err(card->dev, "Cannot grab irq %d\n", pci->irq); |
98f2a97f CB |
291 | |
292 | iounmap(chip->iobase_virt); | |
293 | pci_release_regions(chip->pci); | |
294 | pci_disable_device(chip->pci); | |
295 | kfree(chip); | |
296 | return -EBUSY; | |
297 | } | |
298 | chip->irq = pci->irq; | |
299 | ||
98f2a97f CB |
300 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
301 | if (err < 0) { | |
302 | free_irq(chip->irq, (void *)chip); | |
303 | iounmap(chip->iobase_virt); | |
304 | pci_release_regions(chip->pci); | |
305 | pci_disable_device(chip->pci); | |
306 | kfree(chip); | |
307 | return err; | |
308 | } | |
309 | ||
98f2a97f CB |
310 | *rchip = chip; |
311 | ||
179bb7f1 TI |
312 | dev_info(card->dev, |
313 | "Audiowerk 2 sound card (saa7146 chipset) detected and managed\n"); | |
98f2a97f CB |
314 | return 0; |
315 | } | |
316 | ||
317 | /* constructor */ | |
e23e7a14 BP |
318 | static int snd_aw2_probe(struct pci_dev *pci, |
319 | const struct pci_device_id *pci_id) | |
98f2a97f CB |
320 | { |
321 | static int dev; | |
322 | struct snd_card *card; | |
323 | struct aw2 *chip; | |
324 | int err; | |
325 | ||
326 | /* (1) Continue if device is not enabled, else inc dev */ | |
327 | if (dev >= SNDRV_CARDS) | |
328 | return -ENODEV; | |
329 | if (!enable[dev]) { | |
330 | dev++; | |
331 | return -ENOENT; | |
332 | } | |
333 | ||
334 | /* (2) Create card instance */ | |
60c5772b TI |
335 | err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, |
336 | 0, &card); | |
e58de7ba TI |
337 | if (err < 0) |
338 | return err; | |
98f2a97f CB |
339 | |
340 | /* (3) Create main component */ | |
341 | err = snd_aw2_create(card, pci, &chip); | |
342 | if (err < 0) { | |
343 | snd_card_free(card); | |
344 | return err; | |
345 | } | |
346 | ||
347 | /* initialize mutex */ | |
348 | mutex_init(&chip->mtx); | |
349 | /* init spinlock */ | |
350 | spin_lock_init(&chip->reg_lock); | |
351 | /* (4) Define driver ID and name string */ | |
352 | strcpy(card->driver, "aw2"); | |
353 | strcpy(card->shortname, "Audiowerk2"); | |
354 | ||
355 | sprintf(card->longname, "%s with SAA7146 irq %i", | |
356 | card->shortname, chip->irq); | |
357 | ||
358 | /* (5) Create other components */ | |
359 | snd_aw2_new_pcm(chip); | |
360 | ||
361 | /* (6) Register card instance */ | |
362 | err = snd_card_register(card); | |
363 | if (err < 0) { | |
364 | snd_card_free(card); | |
365 | return err; | |
366 | } | |
367 | ||
368 | /* (7) Set PCI driver data */ | |
369 | pci_set_drvdata(pci, card); | |
370 | ||
371 | dev++; | |
372 | return 0; | |
373 | } | |
374 | ||
375 | /* destructor */ | |
e23e7a14 | 376 | static void snd_aw2_remove(struct pci_dev *pci) |
98f2a97f CB |
377 | { |
378 | snd_card_free(pci_get_drvdata(pci)); | |
98f2a97f CB |
379 | } |
380 | ||
381 | /* open callback */ | |
382 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) | |
383 | { | |
384 | struct snd_pcm_runtime *runtime = substream->runtime; | |
385 | ||
179bb7f1 | 386 | dev_dbg(substream->pcm->card->dev, "Playback_open\n"); |
98f2a97f CB |
387 | runtime->hw = snd_aw2_playback_hw; |
388 | return 0; | |
389 | } | |
390 | ||
391 | /* close callback */ | |
392 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) | |
393 | { | |
394 | return 0; | |
395 | ||
396 | } | |
397 | ||
398 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) | |
399 | { | |
400 | struct snd_pcm_runtime *runtime = substream->runtime; | |
401 | ||
179bb7f1 | 402 | dev_dbg(substream->pcm->card->dev, "Capture_open\n"); |
98f2a97f CB |
403 | runtime->hw = snd_aw2_capture_hw; |
404 | return 0; | |
405 | } | |
406 | ||
407 | /* close callback */ | |
408 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) | |
409 | { | |
410 | /* TODO: something to do ? */ | |
411 | return 0; | |
412 | } | |
413 | ||
414 | /* hw_params callback */ | |
415 | static int snd_aw2_pcm_hw_params(struct snd_pcm_substream *substream, | |
416 | struct snd_pcm_hw_params *hw_params) | |
417 | { | |
418 | return snd_pcm_lib_malloc_pages(substream, | |
419 | params_buffer_bytes(hw_params)); | |
420 | } | |
421 | ||
422 | /* hw_free callback */ | |
423 | static int snd_aw2_pcm_hw_free(struct snd_pcm_substream *substream) | |
424 | { | |
425 | return snd_pcm_lib_free_pages(substream); | |
426 | } | |
427 | ||
428 | /* prepare callback for playback */ | |
429 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) | |
430 | { | |
431 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
432 | struct aw2 *chip = pcm_device->chip; | |
433 | struct snd_pcm_runtime *runtime = substream->runtime; | |
434 | unsigned long period_size, buffer_size; | |
435 | ||
436 | mutex_lock(&chip->mtx); | |
437 | ||
438 | period_size = snd_pcm_lib_period_bytes(substream); | |
439 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
440 | ||
441 | snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, | |
442 | pcm_device->stream_number, | |
443 | runtime->dma_addr, period_size, | |
444 | buffer_size); | |
445 | ||
446 | /* Define Interrupt callback */ | |
447 | snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, | |
448 | (snd_aw2_saa7146_it_cb) | |
449 | snd_pcm_period_elapsed, | |
450 | (void *)substream); | |
451 | ||
452 | mutex_unlock(&chip->mtx); | |
453 | ||
454 | return 0; | |
455 | } | |
456 | ||
457 | /* prepare callback for capture */ | |
458 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) | |
459 | { | |
460 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
461 | struct aw2 *chip = pcm_device->chip; | |
462 | struct snd_pcm_runtime *runtime = substream->runtime; | |
463 | unsigned long period_size, buffer_size; | |
464 | ||
465 | mutex_lock(&chip->mtx); | |
466 | ||
467 | period_size = snd_pcm_lib_period_bytes(substream); | |
468 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
469 | ||
470 | snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, | |
471 | pcm_device->stream_number, | |
472 | runtime->dma_addr, period_size, | |
473 | buffer_size); | |
474 | ||
475 | /* Define Interrupt callback */ | |
476 | snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, | |
477 | (snd_aw2_saa7146_it_cb) | |
478 | snd_pcm_period_elapsed, | |
479 | (void *)substream); | |
480 | ||
481 | mutex_unlock(&chip->mtx); | |
482 | ||
483 | return 0; | |
484 | } | |
485 | ||
486 | /* playback trigger callback */ | |
487 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
488 | int cmd) | |
489 | { | |
490 | int status = 0; | |
491 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
492 | struct aw2 *chip = pcm_device->chip; | |
493 | spin_lock(&chip->reg_lock); | |
494 | switch (cmd) { | |
495 | case SNDRV_PCM_TRIGGER_START: | |
496 | snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, | |
497 | pcm_device-> | |
498 | stream_number); | |
499 | break; | |
500 | case SNDRV_PCM_TRIGGER_STOP: | |
501 | snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, | |
502 | pcm_device-> | |
503 | stream_number); | |
504 | break; | |
505 | default: | |
506 | status = -EINVAL; | |
507 | } | |
508 | spin_unlock(&chip->reg_lock); | |
509 | return status; | |
510 | } | |
511 | ||
512 | /* capture trigger callback */ | |
513 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
514 | int cmd) | |
515 | { | |
516 | int status = 0; | |
517 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
518 | struct aw2 *chip = pcm_device->chip; | |
519 | spin_lock(&chip->reg_lock); | |
520 | switch (cmd) { | |
521 | case SNDRV_PCM_TRIGGER_START: | |
522 | snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, | |
523 | pcm_device-> | |
524 | stream_number); | |
525 | break; | |
526 | case SNDRV_PCM_TRIGGER_STOP: | |
527 | snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, | |
528 | pcm_device-> | |
529 | stream_number); | |
530 | break; | |
531 | default: | |
532 | status = -EINVAL; | |
533 | } | |
534 | spin_unlock(&chip->reg_lock); | |
535 | return status; | |
536 | } | |
537 | ||
538 | /* playback pointer callback */ | |
539 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
540 | *substream) | |
541 | { | |
542 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
543 | struct aw2 *chip = pcm_device->chip; | |
544 | unsigned int current_ptr; | |
545 | ||
546 | /* get the current hardware pointer */ | |
547 | struct snd_pcm_runtime *runtime = substream->runtime; | |
548 | current_ptr = | |
549 | snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, | |
550 | pcm_device->stream_number, | |
551 | runtime->dma_area, | |
552 | runtime->buffer_size); | |
553 | ||
554 | return bytes_to_frames(substream->runtime, current_ptr); | |
555 | } | |
556 | ||
557 | /* capture pointer callback */ | |
558 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
559 | *substream) | |
560 | { | |
561 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
562 | struct aw2 *chip = pcm_device->chip; | |
563 | unsigned int current_ptr; | |
564 | ||
565 | /* get the current hardware pointer */ | |
566 | struct snd_pcm_runtime *runtime = substream->runtime; | |
567 | current_ptr = | |
568 | snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, | |
569 | pcm_device->stream_number, | |
570 | runtime->dma_area, | |
571 | runtime->buffer_size); | |
572 | ||
573 | return bytes_to_frames(substream->runtime, current_ptr); | |
574 | } | |
575 | ||
576 | /* create a pcm device */ | |
e23e7a14 | 577 | static int snd_aw2_new_pcm(struct aw2 *chip) |
98f2a97f CB |
578 | { |
579 | struct snd_pcm *pcm_playback_ana; | |
580 | struct snd_pcm *pcm_playback_num; | |
581 | struct snd_pcm *pcm_capture; | |
582 | struct aw2_pcm_device *pcm_device; | |
583 | int err = 0; | |
584 | ||
585 | /* Create new Alsa PCM device */ | |
586 | ||
587 | err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, | |
588 | &pcm_playback_ana); | |
589 | if (err < 0) { | |
179bb7f1 | 590 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
591 | return err; |
592 | } | |
593 | ||
594 | /* Creation ok */ | |
595 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; | |
596 | ||
597 | /* Set PCM device name */ | |
598 | strcpy(pcm_playback_ana->name, "Analog playback"); | |
599 | /* Associate private data to PCM device */ | |
600 | pcm_playback_ana->private_data = pcm_device; | |
601 | /* set operators of PCM device */ | |
602 | snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, | |
603 | &snd_aw2_playback_ops); | |
604 | /* store PCM device */ | |
605 | pcm_device->pcm = pcm_playback_ana; | |
606 | /* give base chip pointer to our internal pcm device | |
607 | structure */ | |
608 | pcm_device->chip = chip; | |
609 | /* Give stream number to PCM device */ | |
610 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; | |
611 | ||
612 | /* pre-allocation of buffers */ | |
613 | /* Preallocate continuous pages. */ | |
5116b94a TI |
614 | snd_pcm_lib_preallocate_pages_for_all(pcm_playback_ana, |
615 | SNDRV_DMA_TYPE_DEV, | |
616 | snd_dma_pci_data(chip->pci), | |
617 | 64 * 1024, 64 * 1024); | |
98f2a97f CB |
618 | |
619 | err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, | |
620 | &pcm_playback_num); | |
621 | ||
622 | if (err < 0) { | |
179bb7f1 | 623 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
624 | return err; |
625 | } | |
626 | /* Creation ok */ | |
627 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; | |
628 | ||
629 | /* Set PCM device name */ | |
630 | strcpy(pcm_playback_num->name, "Digital playback"); | |
631 | /* Associate private data to PCM device */ | |
632 | pcm_playback_num->private_data = pcm_device; | |
633 | /* set operators of PCM device */ | |
634 | snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, | |
635 | &snd_aw2_playback_ops); | |
636 | /* store PCM device */ | |
637 | pcm_device->pcm = pcm_playback_num; | |
638 | /* give base chip pointer to our internal pcm device | |
639 | structure */ | |
640 | pcm_device->chip = chip; | |
641 | /* Give stream number to PCM device */ | |
642 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; | |
643 | ||
644 | /* pre-allocation of buffers */ | |
645 | /* Preallocate continuous pages. */ | |
5116b94a TI |
646 | snd_pcm_lib_preallocate_pages_for_all(pcm_playback_num, |
647 | SNDRV_DMA_TYPE_DEV, | |
648 | snd_dma_pci_data(chip->pci), | |
649 | 64 * 1024, 64 * 1024); | |
98f2a97f CB |
650 | |
651 | err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, | |
652 | &pcm_capture); | |
653 | ||
654 | if (err < 0) { | |
179bb7f1 | 655 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
656 | return err; |
657 | } | |
658 | ||
659 | /* Creation ok */ | |
660 | pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; | |
661 | ||
662 | /* Set PCM device name */ | |
663 | strcpy(pcm_capture->name, "Capture"); | |
664 | /* Associate private data to PCM device */ | |
665 | pcm_capture->private_data = pcm_device; | |
666 | /* set operators of PCM device */ | |
667 | snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, | |
668 | &snd_aw2_capture_ops); | |
669 | /* store PCM device */ | |
670 | pcm_device->pcm = pcm_capture; | |
671 | /* give base chip pointer to our internal pcm device | |
672 | structure */ | |
673 | pcm_device->chip = chip; | |
674 | /* Give stream number to PCM device */ | |
675 | pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; | |
676 | ||
677 | /* pre-allocation of buffers */ | |
678 | /* Preallocate continuous pages. */ | |
5116b94a TI |
679 | snd_pcm_lib_preallocate_pages_for_all(pcm_capture, |
680 | SNDRV_DMA_TYPE_DEV, | |
681 | snd_dma_pci_data(chip->pci), | |
682 | 64 * 1024, 64 * 1024); | |
98f2a97f CB |
683 | |
684 | /* Create control */ | |
685 | err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); | |
686 | if (err < 0) { | |
179bb7f1 | 687 | dev_err(chip->card->dev, "snd_ctl_add error (0x%X)\n", err); |
98f2a97f CB |
688 | return err; |
689 | } | |
690 | ||
691 | return 0; | |
692 | } | |
693 | ||
694 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
695 | struct snd_ctl_elem_info *uinfo) | |
696 | { | |
4d765e48 | 697 | static const char * const texts[2] = { |
98f2a97f CB |
698 | "Analog", "Digital" |
699 | }; | |
4d765e48 | 700 | return snd_ctl_enum_info(uinfo, 1, 2, texts); |
98f2a97f CB |
701 | } |
702 | ||
703 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
704 | struct snd_ctl_elem_value | |
705 | *ucontrol) | |
706 | { | |
707 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
708 | if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) | |
709 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; | |
710 | else | |
711 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; | |
712 | return 0; | |
713 | } | |
714 | ||
715 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
716 | struct snd_ctl_elem_value | |
717 | *ucontrol) | |
718 | { | |
719 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
720 | int changed = 0; | |
721 | int is_disgital = | |
722 | snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); | |
723 | ||
724 | if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) | |
725 | && !is_disgital) | |
726 | || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) | |
727 | && is_disgital)) { | |
728 | snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); | |
729 | changed = 1; | |
730 | } | |
731 | return changed; | |
732 | } |