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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); | |
98f2a97f CB |
112 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream); |
113 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream); | |
114 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
115 | int cmd); | |
116 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
117 | int cmd); | |
118 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
119 | *substream); | |
120 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
121 | *substream); | |
e23e7a14 | 122 | static int snd_aw2_new_pcm(struct aw2 *chip); |
98f2a97f CB |
123 | |
124 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
125 | struct snd_ctl_elem_info *uinfo); | |
126 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
127 | struct snd_ctl_elem_value | |
128 | *ucontrol); | |
129 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
130 | struct snd_ctl_elem_value | |
131 | *ucontrol); | |
132 | ||
133 | /********************************* | |
134 | * VARIABLES | |
135 | ********************************/ | |
136 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
137 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
a67ff6a5 | 138 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
98f2a97f | 139 | |
34b6757d TI |
140 | module_param_array(index, int, NULL, 0444); |
141 | MODULE_PARM_DESC(index, "Index value for Audiowerk2 soundcard."); | |
142 | module_param_array(id, charp, NULL, 0444); | |
143 | MODULE_PARM_DESC(id, "ID string for the Audiowerk2 soundcard."); | |
144 | module_param_array(enable, bool, NULL, 0444); | |
145 | MODULE_PARM_DESC(enable, "Enable Audiowerk2 soundcard."); | |
146 | ||
9baa3c34 | 147 | static const struct pci_device_id snd_aw2_ids[] = { |
34329fae | 148 | {PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, 0, 0, |
98f2a97f CB |
149 | 0, 0, 0}, |
150 | {0} | |
151 | }; | |
152 | ||
153 | MODULE_DEVICE_TABLE(pci, snd_aw2_ids); | |
154 | ||
155 | /* pci_driver definition */ | |
e9f66d9b | 156 | static struct pci_driver aw2_driver = { |
3733e424 | 157 | .name = KBUILD_MODNAME, |
98f2a97f CB |
158 | .id_table = snd_aw2_ids, |
159 | .probe = snd_aw2_probe, | |
e23e7a14 | 160 | .remove = snd_aw2_remove, |
98f2a97f CB |
161 | }; |
162 | ||
e9f66d9b TI |
163 | module_pci_driver(aw2_driver); |
164 | ||
98f2a97f | 165 | /* operators for playback PCM alsa interface */ |
6769e988 | 166 | static const struct snd_pcm_ops snd_aw2_playback_ops = { |
98f2a97f CB |
167 | .open = snd_aw2_pcm_playback_open, |
168 | .close = snd_aw2_pcm_playback_close, | |
98f2a97f CB |
169 | .prepare = snd_aw2_pcm_prepare_playback, |
170 | .trigger = snd_aw2_pcm_trigger_playback, | |
171 | .pointer = snd_aw2_pcm_pointer_playback, | |
172 | }; | |
173 | ||
174 | /* operators for capture PCM alsa interface */ | |
6769e988 | 175 | static const struct snd_pcm_ops snd_aw2_capture_ops = { |
98f2a97f CB |
176 | .open = snd_aw2_pcm_capture_open, |
177 | .close = snd_aw2_pcm_capture_close, | |
98f2a97f CB |
178 | .prepare = snd_aw2_pcm_prepare_capture, |
179 | .trigger = snd_aw2_pcm_trigger_capture, | |
180 | .pointer = snd_aw2_pcm_pointer_capture, | |
181 | }; | |
182 | ||
f3b827e0 | 183 | static const struct snd_kcontrol_new aw2_control = { |
98f2a97f CB |
184 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
185 | .name = "PCM Capture Route", | |
186 | .index = 0, | |
187 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
188 | .private_value = 0xffff, | |
189 | .info = snd_aw2_control_switch_capture_info, | |
190 | .get = snd_aw2_control_switch_capture_get, | |
191 | .put = snd_aw2_control_switch_capture_put | |
192 | }; | |
193 | ||
194 | /********************************* | |
195 | * FUNCTION IMPLEMENTATIONS | |
196 | ********************************/ | |
197 | ||
98f2a97f CB |
198 | /* component-destructor */ |
199 | static int snd_aw2_dev_free(struct snd_device *device) | |
200 | { | |
201 | struct aw2 *chip = device->device_data; | |
202 | ||
203 | /* Free hardware */ | |
204 | snd_aw2_saa7146_free(&chip->saa7146); | |
205 | ||
206 | /* release the irq */ | |
207 | if (chip->irq >= 0) | |
208 | free_irq(chip->irq, (void *)chip); | |
209 | /* release the i/o ports & memory */ | |
ff6defa6 | 210 | iounmap(chip->iobase_virt); |
98f2a97f CB |
211 | pci_release_regions(chip->pci); |
212 | /* disable the PCI entry */ | |
213 | pci_disable_device(chip->pci); | |
214 | /* release the data */ | |
215 | kfree(chip); | |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
220 | /* chip-specific constructor */ | |
e23e7a14 BP |
221 | static int snd_aw2_create(struct snd_card *card, |
222 | struct pci_dev *pci, struct aw2 **rchip) | |
98f2a97f CB |
223 | { |
224 | struct aw2 *chip; | |
225 | int err; | |
efb0ad25 | 226 | static const struct snd_device_ops ops = { |
98f2a97f CB |
227 | .dev_free = snd_aw2_dev_free, |
228 | }; | |
229 | ||
230 | *rchip = NULL; | |
231 | ||
232 | /* initialize the PCI entry */ | |
233 | err = pci_enable_device(pci); | |
234 | if (err < 0) | |
235 | return err; | |
236 | pci_set_master(pci); | |
237 | ||
238 | /* check PCI availability (32bit DMA) */ | |
412b979c QL |
239 | if ((dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) || |
240 | (dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)) < 0)) { | |
179bb7f1 | 241 | dev_err(card->dev, "Impossible to set 32bit mask DMA\n"); |
98f2a97f CB |
242 | pci_disable_device(pci); |
243 | return -ENXIO; | |
244 | } | |
245 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | |
246 | if (chip == NULL) { | |
247 | pci_disable_device(pci); | |
248 | return -ENOMEM; | |
249 | } | |
250 | ||
251 | /* initialize the stuff */ | |
252 | chip->card = card; | |
253 | chip->pci = pci; | |
254 | chip->irq = -1; | |
255 | ||
256 | /* (1) PCI resource allocation */ | |
257 | err = pci_request_regions(pci, "Audiowerk2"); | |
258 | if (err < 0) { | |
259 | pci_disable_device(pci); | |
260 | kfree(chip); | |
261 | return err; | |
262 | } | |
263 | chip->iobase_phys = pci_resource_start(pci, 0); | |
264 | chip->iobase_virt = | |
265 | ioremap_nocache(chip->iobase_phys, | |
266 | pci_resource_len(pci, 0)); | |
267 | ||
268 | if (chip->iobase_virt == NULL) { | |
179bb7f1 | 269 | dev_err(card->dev, "unable to remap memory region"); |
98f2a97f CB |
270 | pci_release_regions(pci); |
271 | pci_disable_device(pci); | |
272 | kfree(chip); | |
273 | return -ENOMEM; | |
274 | } | |
275 | ||
44e05177 TI |
276 | /* (2) initialization of the chip hardware */ |
277 | snd_aw2_saa7146_setup(&chip->saa7146, chip->iobase_virt); | |
98f2a97f CB |
278 | |
279 | if (request_irq(pci->irq, snd_aw2_saa7146_interrupt, | |
934c2b6d | 280 | IRQF_SHARED, KBUILD_MODNAME, chip)) { |
179bb7f1 | 281 | dev_err(card->dev, "Cannot grab irq %d\n", pci->irq); |
98f2a97f CB |
282 | |
283 | iounmap(chip->iobase_virt); | |
284 | pci_release_regions(chip->pci); | |
285 | pci_disable_device(chip->pci); | |
286 | kfree(chip); | |
287 | return -EBUSY; | |
288 | } | |
289 | chip->irq = pci->irq; | |
f8582e00 | 290 | card->sync_irq = chip->irq; |
98f2a97f | 291 | |
98f2a97f CB |
292 | err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
293 | if (err < 0) { | |
294 | free_irq(chip->irq, (void *)chip); | |
295 | iounmap(chip->iobase_virt); | |
296 | pci_release_regions(chip->pci); | |
297 | pci_disable_device(chip->pci); | |
298 | kfree(chip); | |
299 | return err; | |
300 | } | |
301 | ||
98f2a97f CB |
302 | *rchip = chip; |
303 | ||
179bb7f1 TI |
304 | dev_info(card->dev, |
305 | "Audiowerk 2 sound card (saa7146 chipset) detected and managed\n"); | |
98f2a97f CB |
306 | return 0; |
307 | } | |
308 | ||
309 | /* constructor */ | |
e23e7a14 BP |
310 | static int snd_aw2_probe(struct pci_dev *pci, |
311 | const struct pci_device_id *pci_id) | |
98f2a97f CB |
312 | { |
313 | static int dev; | |
314 | struct snd_card *card; | |
315 | struct aw2 *chip; | |
316 | int err; | |
317 | ||
318 | /* (1) Continue if device is not enabled, else inc dev */ | |
319 | if (dev >= SNDRV_CARDS) | |
320 | return -ENODEV; | |
321 | if (!enable[dev]) { | |
322 | dev++; | |
323 | return -ENOENT; | |
324 | } | |
325 | ||
326 | /* (2) Create card instance */ | |
60c5772b TI |
327 | err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, |
328 | 0, &card); | |
e58de7ba TI |
329 | if (err < 0) |
330 | return err; | |
98f2a97f CB |
331 | |
332 | /* (3) Create main component */ | |
333 | err = snd_aw2_create(card, pci, &chip); | |
334 | if (err < 0) { | |
335 | snd_card_free(card); | |
336 | return err; | |
337 | } | |
338 | ||
339 | /* initialize mutex */ | |
340 | mutex_init(&chip->mtx); | |
341 | /* init spinlock */ | |
342 | spin_lock_init(&chip->reg_lock); | |
343 | /* (4) Define driver ID and name string */ | |
344 | strcpy(card->driver, "aw2"); | |
345 | strcpy(card->shortname, "Audiowerk2"); | |
346 | ||
347 | sprintf(card->longname, "%s with SAA7146 irq %i", | |
348 | card->shortname, chip->irq); | |
349 | ||
350 | /* (5) Create other components */ | |
351 | snd_aw2_new_pcm(chip); | |
352 | ||
353 | /* (6) Register card instance */ | |
354 | err = snd_card_register(card); | |
355 | if (err < 0) { | |
356 | snd_card_free(card); | |
357 | return err; | |
358 | } | |
359 | ||
360 | /* (7) Set PCI driver data */ | |
361 | pci_set_drvdata(pci, card); | |
362 | ||
363 | dev++; | |
364 | return 0; | |
365 | } | |
366 | ||
367 | /* destructor */ | |
e23e7a14 | 368 | static void snd_aw2_remove(struct pci_dev *pci) |
98f2a97f CB |
369 | { |
370 | snd_card_free(pci_get_drvdata(pci)); | |
98f2a97f CB |
371 | } |
372 | ||
373 | /* open callback */ | |
374 | static int snd_aw2_pcm_playback_open(struct snd_pcm_substream *substream) | |
375 | { | |
376 | struct snd_pcm_runtime *runtime = substream->runtime; | |
377 | ||
179bb7f1 | 378 | dev_dbg(substream->pcm->card->dev, "Playback_open\n"); |
98f2a97f CB |
379 | runtime->hw = snd_aw2_playback_hw; |
380 | return 0; | |
381 | } | |
382 | ||
383 | /* close callback */ | |
384 | static int snd_aw2_pcm_playback_close(struct snd_pcm_substream *substream) | |
385 | { | |
386 | return 0; | |
387 | ||
388 | } | |
389 | ||
390 | static int snd_aw2_pcm_capture_open(struct snd_pcm_substream *substream) | |
391 | { | |
392 | struct snd_pcm_runtime *runtime = substream->runtime; | |
393 | ||
179bb7f1 | 394 | dev_dbg(substream->pcm->card->dev, "Capture_open\n"); |
98f2a97f CB |
395 | runtime->hw = snd_aw2_capture_hw; |
396 | return 0; | |
397 | } | |
398 | ||
399 | /* close callback */ | |
400 | static int snd_aw2_pcm_capture_close(struct snd_pcm_substream *substream) | |
401 | { | |
402 | /* TODO: something to do ? */ | |
403 | return 0; | |
404 | } | |
405 | ||
98f2a97f CB |
406 | /* prepare callback for playback */ |
407 | static int snd_aw2_pcm_prepare_playback(struct snd_pcm_substream *substream) | |
408 | { | |
409 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
410 | struct aw2 *chip = pcm_device->chip; | |
411 | struct snd_pcm_runtime *runtime = substream->runtime; | |
412 | unsigned long period_size, buffer_size; | |
413 | ||
414 | mutex_lock(&chip->mtx); | |
415 | ||
416 | period_size = snd_pcm_lib_period_bytes(substream); | |
417 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
418 | ||
419 | snd_aw2_saa7146_pcm_init_playback(&chip->saa7146, | |
420 | pcm_device->stream_number, | |
421 | runtime->dma_addr, period_size, | |
422 | buffer_size); | |
423 | ||
424 | /* Define Interrupt callback */ | |
425 | snd_aw2_saa7146_define_it_playback_callback(pcm_device->stream_number, | |
426 | (snd_aw2_saa7146_it_cb) | |
427 | snd_pcm_period_elapsed, | |
428 | (void *)substream); | |
429 | ||
430 | mutex_unlock(&chip->mtx); | |
431 | ||
432 | return 0; | |
433 | } | |
434 | ||
435 | /* prepare callback for capture */ | |
436 | static int snd_aw2_pcm_prepare_capture(struct snd_pcm_substream *substream) | |
437 | { | |
438 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
439 | struct aw2 *chip = pcm_device->chip; | |
440 | struct snd_pcm_runtime *runtime = substream->runtime; | |
441 | unsigned long period_size, buffer_size; | |
442 | ||
443 | mutex_lock(&chip->mtx); | |
444 | ||
445 | period_size = snd_pcm_lib_period_bytes(substream); | |
446 | buffer_size = snd_pcm_lib_buffer_bytes(substream); | |
447 | ||
448 | snd_aw2_saa7146_pcm_init_capture(&chip->saa7146, | |
449 | pcm_device->stream_number, | |
450 | runtime->dma_addr, period_size, | |
451 | buffer_size); | |
452 | ||
453 | /* Define Interrupt callback */ | |
454 | snd_aw2_saa7146_define_it_capture_callback(pcm_device->stream_number, | |
455 | (snd_aw2_saa7146_it_cb) | |
456 | snd_pcm_period_elapsed, | |
457 | (void *)substream); | |
458 | ||
459 | mutex_unlock(&chip->mtx); | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
464 | /* playback trigger callback */ | |
465 | static int snd_aw2_pcm_trigger_playback(struct snd_pcm_substream *substream, | |
466 | int cmd) | |
467 | { | |
468 | int status = 0; | |
469 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
470 | struct aw2 *chip = pcm_device->chip; | |
471 | spin_lock(&chip->reg_lock); | |
472 | switch (cmd) { | |
473 | case SNDRV_PCM_TRIGGER_START: | |
474 | snd_aw2_saa7146_pcm_trigger_start_playback(&chip->saa7146, | |
475 | pcm_device-> | |
476 | stream_number); | |
477 | break; | |
478 | case SNDRV_PCM_TRIGGER_STOP: | |
479 | snd_aw2_saa7146_pcm_trigger_stop_playback(&chip->saa7146, | |
480 | pcm_device-> | |
481 | stream_number); | |
482 | break; | |
483 | default: | |
484 | status = -EINVAL; | |
485 | } | |
486 | spin_unlock(&chip->reg_lock); | |
487 | return status; | |
488 | } | |
489 | ||
490 | /* capture trigger callback */ | |
491 | static int snd_aw2_pcm_trigger_capture(struct snd_pcm_substream *substream, | |
492 | int cmd) | |
493 | { | |
494 | int status = 0; | |
495 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
496 | struct aw2 *chip = pcm_device->chip; | |
497 | spin_lock(&chip->reg_lock); | |
498 | switch (cmd) { | |
499 | case SNDRV_PCM_TRIGGER_START: | |
500 | snd_aw2_saa7146_pcm_trigger_start_capture(&chip->saa7146, | |
501 | pcm_device-> | |
502 | stream_number); | |
503 | break; | |
504 | case SNDRV_PCM_TRIGGER_STOP: | |
505 | snd_aw2_saa7146_pcm_trigger_stop_capture(&chip->saa7146, | |
506 | pcm_device-> | |
507 | stream_number); | |
508 | break; | |
509 | default: | |
510 | status = -EINVAL; | |
511 | } | |
512 | spin_unlock(&chip->reg_lock); | |
513 | return status; | |
514 | } | |
515 | ||
516 | /* playback pointer callback */ | |
517 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_playback(struct snd_pcm_substream | |
518 | *substream) | |
519 | { | |
520 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
521 | struct aw2 *chip = pcm_device->chip; | |
522 | unsigned int current_ptr; | |
523 | ||
524 | /* get the current hardware pointer */ | |
525 | struct snd_pcm_runtime *runtime = substream->runtime; | |
526 | current_ptr = | |
527 | snd_aw2_saa7146_get_hw_ptr_playback(&chip->saa7146, | |
528 | pcm_device->stream_number, | |
529 | runtime->dma_area, | |
530 | runtime->buffer_size); | |
531 | ||
532 | return bytes_to_frames(substream->runtime, current_ptr); | |
533 | } | |
534 | ||
535 | /* capture pointer callback */ | |
536 | static snd_pcm_uframes_t snd_aw2_pcm_pointer_capture(struct snd_pcm_substream | |
537 | *substream) | |
538 | { | |
539 | struct aw2_pcm_device *pcm_device = snd_pcm_substream_chip(substream); | |
540 | struct aw2 *chip = pcm_device->chip; | |
541 | unsigned int current_ptr; | |
542 | ||
543 | /* get the current hardware pointer */ | |
544 | struct snd_pcm_runtime *runtime = substream->runtime; | |
545 | current_ptr = | |
546 | snd_aw2_saa7146_get_hw_ptr_capture(&chip->saa7146, | |
547 | pcm_device->stream_number, | |
548 | runtime->dma_area, | |
549 | runtime->buffer_size); | |
550 | ||
551 | return bytes_to_frames(substream->runtime, current_ptr); | |
552 | } | |
553 | ||
554 | /* create a pcm device */ | |
e23e7a14 | 555 | static int snd_aw2_new_pcm(struct aw2 *chip) |
98f2a97f CB |
556 | { |
557 | struct snd_pcm *pcm_playback_ana; | |
558 | struct snd_pcm *pcm_playback_num; | |
559 | struct snd_pcm *pcm_capture; | |
560 | struct aw2_pcm_device *pcm_device; | |
561 | int err = 0; | |
562 | ||
563 | /* Create new Alsa PCM device */ | |
564 | ||
565 | err = snd_pcm_new(chip->card, "Audiowerk2 analog playback", 0, 1, 0, | |
566 | &pcm_playback_ana); | |
567 | if (err < 0) { | |
179bb7f1 | 568 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
569 | return err; |
570 | } | |
571 | ||
572 | /* Creation ok */ | |
573 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_ANA]; | |
574 | ||
575 | /* Set PCM device name */ | |
576 | strcpy(pcm_playback_ana->name, "Analog playback"); | |
577 | /* Associate private data to PCM device */ | |
578 | pcm_playback_ana->private_data = pcm_device; | |
579 | /* set operators of PCM device */ | |
580 | snd_pcm_set_ops(pcm_playback_ana, SNDRV_PCM_STREAM_PLAYBACK, | |
581 | &snd_aw2_playback_ops); | |
582 | /* store PCM device */ | |
583 | pcm_device->pcm = pcm_playback_ana; | |
584 | /* give base chip pointer to our internal pcm device | |
585 | structure */ | |
586 | pcm_device->chip = chip; | |
587 | /* Give stream number to PCM device */ | |
588 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_ANA; | |
589 | ||
590 | /* pre-allocation of buffers */ | |
591 | /* Preallocate continuous pages. */ | |
817790cc TI |
592 | snd_pcm_set_managed_buffer_all(pcm_playback_ana, |
593 | SNDRV_DMA_TYPE_DEV, | |
594 | &chip->pci->dev, | |
595 | 64 * 1024, 64 * 1024); | |
98f2a97f CB |
596 | |
597 | err = snd_pcm_new(chip->card, "Audiowerk2 digital playback", 1, 1, 0, | |
598 | &pcm_playback_num); | |
599 | ||
600 | if (err < 0) { | |
179bb7f1 | 601 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
602 | return err; |
603 | } | |
604 | /* Creation ok */ | |
605 | pcm_device = &chip->device_playback[NUM_STREAM_PLAYBACK_DIG]; | |
606 | ||
607 | /* Set PCM device name */ | |
608 | strcpy(pcm_playback_num->name, "Digital playback"); | |
609 | /* Associate private data to PCM device */ | |
610 | pcm_playback_num->private_data = pcm_device; | |
611 | /* set operators of PCM device */ | |
612 | snd_pcm_set_ops(pcm_playback_num, SNDRV_PCM_STREAM_PLAYBACK, | |
613 | &snd_aw2_playback_ops); | |
614 | /* store PCM device */ | |
615 | pcm_device->pcm = pcm_playback_num; | |
616 | /* give base chip pointer to our internal pcm device | |
617 | structure */ | |
618 | pcm_device->chip = chip; | |
619 | /* Give stream number to PCM device */ | |
620 | pcm_device->stream_number = NUM_STREAM_PLAYBACK_DIG; | |
621 | ||
622 | /* pre-allocation of buffers */ | |
623 | /* Preallocate continuous pages. */ | |
817790cc TI |
624 | snd_pcm_set_managed_buffer_all(pcm_playback_num, |
625 | SNDRV_DMA_TYPE_DEV, | |
626 | &chip->pci->dev, | |
627 | 64 * 1024, 64 * 1024); | |
98f2a97f CB |
628 | |
629 | err = snd_pcm_new(chip->card, "Audiowerk2 capture", 2, 0, 1, | |
630 | &pcm_capture); | |
631 | ||
632 | if (err < 0) { | |
179bb7f1 | 633 | dev_err(chip->card->dev, "snd_pcm_new error (0x%X)\n", err); |
98f2a97f CB |
634 | return err; |
635 | } | |
636 | ||
637 | /* Creation ok */ | |
638 | pcm_device = &chip->device_capture[NUM_STREAM_CAPTURE_ANA]; | |
639 | ||
640 | /* Set PCM device name */ | |
641 | strcpy(pcm_capture->name, "Capture"); | |
642 | /* Associate private data to PCM device */ | |
643 | pcm_capture->private_data = pcm_device; | |
644 | /* set operators of PCM device */ | |
645 | snd_pcm_set_ops(pcm_capture, SNDRV_PCM_STREAM_CAPTURE, | |
646 | &snd_aw2_capture_ops); | |
647 | /* store PCM device */ | |
648 | pcm_device->pcm = pcm_capture; | |
649 | /* give base chip pointer to our internal pcm device | |
650 | structure */ | |
651 | pcm_device->chip = chip; | |
652 | /* Give stream number to PCM device */ | |
653 | pcm_device->stream_number = NUM_STREAM_CAPTURE_ANA; | |
654 | ||
655 | /* pre-allocation of buffers */ | |
656 | /* Preallocate continuous pages. */ | |
817790cc TI |
657 | snd_pcm_set_managed_buffer_all(pcm_capture, |
658 | SNDRV_DMA_TYPE_DEV, | |
659 | &chip->pci->dev, | |
660 | 64 * 1024, 64 * 1024); | |
98f2a97f CB |
661 | |
662 | /* Create control */ | |
663 | err = snd_ctl_add(chip->card, snd_ctl_new1(&aw2_control, chip)); | |
664 | if (err < 0) { | |
179bb7f1 | 665 | dev_err(chip->card->dev, "snd_ctl_add error (0x%X)\n", err); |
98f2a97f CB |
666 | return err; |
667 | } | |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
672 | static int snd_aw2_control_switch_capture_info(struct snd_kcontrol *kcontrol, | |
673 | struct snd_ctl_elem_info *uinfo) | |
674 | { | |
4d765e48 | 675 | static const char * const texts[2] = { |
98f2a97f CB |
676 | "Analog", "Digital" |
677 | }; | |
4d765e48 | 678 | return snd_ctl_enum_info(uinfo, 1, 2, texts); |
98f2a97f CB |
679 | } |
680 | ||
681 | static int snd_aw2_control_switch_capture_get(struct snd_kcontrol *kcontrol, | |
682 | struct snd_ctl_elem_value | |
683 | *ucontrol) | |
684 | { | |
685 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
686 | if (snd_aw2_saa7146_is_using_digital_input(&chip->saa7146)) | |
687 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_DIGITAL; | |
688 | else | |
689 | ucontrol->value.enumerated.item[0] = CTL_ROUTE_ANALOG; | |
690 | return 0; | |
691 | } | |
692 | ||
693 | static int snd_aw2_control_switch_capture_put(struct snd_kcontrol *kcontrol, | |
694 | struct snd_ctl_elem_value | |
695 | *ucontrol) | |
696 | { | |
697 | struct aw2 *chip = snd_kcontrol_chip(kcontrol); | |
698 | int changed = 0; | |
699 | int is_disgital = | |
700 | snd_aw2_saa7146_is_using_digital_input(&chip->saa7146); | |
701 | ||
702 | if (((ucontrol->value.integer.value[0] == CTL_ROUTE_DIGITAL) | |
703 | && !is_disgital) | |
704 | || ((ucontrol->value.integer.value[0] == CTL_ROUTE_ANALOG) | |
705 | && is_disgital)) { | |
706 | snd_aw2_saa7146_use_digital_input(&chip->saa7146, !is_disgital); | |
707 | changed = 1; | |
708 | } | |
709 | return changed; | |
710 | } |