thermal: fix Mediatek thermal controller build
[linux/fpc-iii.git] / sound / firewire / digi00x / digi00x-pcm.c
blobcac28f70aef7a418ab1f5659e5c3e8a2f68cd257
1 /*
2 * digi00x-pcm.c - a part of driver for Digidesign Digi 002/003 family
4 * Copyright (c) 2014-2015 Takashi Sakamoto
6 * Licensed under the terms of the GNU General Public License, version 2.
7 */
9 #include "digi00x.h"
11 static int hw_rule_rate(struct snd_pcm_hw_params *params,
12 struct snd_pcm_hw_rule *rule)
14 struct snd_interval *r =
15 hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
16 const struct snd_interval *c =
17 hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_CHANNELS);
18 struct snd_interval t = {
19 .min = UINT_MAX, .max = 0, .integer = 1,
21 unsigned int i;
23 for (i = 0; i < SND_DG00X_RATE_COUNT; i++) {
24 if (!snd_interval_test(c,
25 snd_dg00x_stream_pcm_channels[i]))
26 continue;
28 t.min = min(t.min, snd_dg00x_stream_rates[i]);
29 t.max = max(t.max, snd_dg00x_stream_rates[i]);
32 return snd_interval_refine(r, &t);
35 static int hw_rule_channels(struct snd_pcm_hw_params *params,
36 struct snd_pcm_hw_rule *rule)
38 struct snd_interval *c =
39 hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
40 const struct snd_interval *r =
41 hw_param_interval_c(params, SNDRV_PCM_HW_PARAM_RATE);
42 struct snd_interval t = {
43 .min = UINT_MAX, .max = 0, .integer = 1,
45 unsigned int i;
47 for (i = 0; i < SND_DG00X_RATE_COUNT; i++) {
48 if (!snd_interval_test(r, snd_dg00x_stream_rates[i]))
49 continue;
51 t.min = min(t.min, snd_dg00x_stream_pcm_channels[i]);
52 t.max = max(t.max, snd_dg00x_stream_pcm_channels[i]);
55 return snd_interval_refine(c, &t);
58 static int pcm_init_hw_params(struct snd_dg00x *dg00x,
59 struct snd_pcm_substream *substream)
61 static const struct snd_pcm_hardware hardware = {
62 .info = SNDRV_PCM_INFO_BATCH |
63 SNDRV_PCM_INFO_BLOCK_TRANSFER |
64 SNDRV_PCM_INFO_INTERLEAVED |
65 SNDRV_PCM_INFO_JOINT_DUPLEX |
66 SNDRV_PCM_INFO_MMAP |
67 SNDRV_PCM_INFO_MMAP_VALID,
68 .rates = SNDRV_PCM_RATE_44100 |
69 SNDRV_PCM_RATE_48000 |
70 SNDRV_PCM_RATE_88200 |
71 SNDRV_PCM_RATE_96000,
72 .rate_min = 44100,
73 .rate_max = 96000,
74 .channels_min = 10,
75 .channels_max = 18,
76 .period_bytes_min = 4 * 18,
77 .period_bytes_max = 4 * 18 * 2048,
78 .buffer_bytes_max = 4 * 18 * 2048 * 2,
79 .periods_min = 2,
80 .periods_max = UINT_MAX,
82 struct amdtp_stream *s;
83 int err;
85 substream->runtime->hw = hardware;
87 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
88 substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S32;
89 s = &dg00x->tx_stream;
90 } else {
91 substream->runtime->hw.formats = SNDRV_PCM_FMTBIT_S16 |
92 SNDRV_PCM_FMTBIT_S32;
93 s = &dg00x->rx_stream;
96 err = snd_pcm_hw_rule_add(substream->runtime, 0,
97 SNDRV_PCM_HW_PARAM_CHANNELS,
98 hw_rule_channels, NULL,
99 SNDRV_PCM_HW_PARAM_RATE, -1);
100 if (err < 0)
101 return err;
103 err = snd_pcm_hw_rule_add(substream->runtime, 0,
104 SNDRV_PCM_HW_PARAM_RATE,
105 hw_rule_rate, NULL,
106 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
107 if (err < 0)
108 return err;
110 return amdtp_dot_add_pcm_hw_constraints(s, substream->runtime);
113 static int pcm_open(struct snd_pcm_substream *substream)
115 struct snd_dg00x *dg00x = substream->private_data;
116 enum snd_dg00x_clock clock;
117 bool detect;
118 unsigned int rate;
119 int err;
121 err = snd_dg00x_stream_lock_try(dg00x);
122 if (err < 0)
123 goto end;
125 err = pcm_init_hw_params(dg00x, substream);
126 if (err < 0)
127 goto err_locked;
129 /* Check current clock source. */
130 err = snd_dg00x_stream_get_clock(dg00x, &clock);
131 if (err < 0)
132 goto err_locked;
133 if (clock != SND_DG00X_CLOCK_INTERNAL) {
134 err = snd_dg00x_stream_check_external_clock(dg00x, &detect);
135 if (err < 0)
136 goto err_locked;
137 if (!detect) {
138 err = -EBUSY;
139 goto err_locked;
143 if ((clock != SND_DG00X_CLOCK_INTERNAL) ||
144 amdtp_stream_pcm_running(&dg00x->rx_stream) ||
145 amdtp_stream_pcm_running(&dg00x->tx_stream)) {
146 err = snd_dg00x_stream_get_external_rate(dg00x, &rate);
147 if (err < 0)
148 goto err_locked;
149 substream->runtime->hw.rate_min = rate;
150 substream->runtime->hw.rate_max = rate;
153 snd_pcm_set_sync(substream);
154 end:
155 return err;
156 err_locked:
157 snd_dg00x_stream_lock_release(dg00x);
158 return err;
161 static int pcm_close(struct snd_pcm_substream *substream)
163 struct snd_dg00x *dg00x = substream->private_data;
165 snd_dg00x_stream_lock_release(dg00x);
167 return 0;
170 static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
171 struct snd_pcm_hw_params *hw_params)
173 struct snd_dg00x *dg00x = substream->private_data;
174 int err;
176 err = snd_pcm_lib_alloc_vmalloc_buffer(substream,
177 params_buffer_bytes(hw_params));
178 if (err < 0)
179 return err;
181 if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
182 mutex_lock(&dg00x->mutex);
183 dg00x->substreams_counter++;
184 mutex_unlock(&dg00x->mutex);
187 amdtp_dot_set_pcm_format(&dg00x->tx_stream, params_format(hw_params));
189 return 0;
192 static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
193 struct snd_pcm_hw_params *hw_params)
195 struct snd_dg00x *dg00x = substream->private_data;
196 int err;
198 err = snd_pcm_lib_alloc_vmalloc_buffer(substream,
199 params_buffer_bytes(hw_params));
200 if (err < 0)
201 return err;
203 if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
204 mutex_lock(&dg00x->mutex);
205 dg00x->substreams_counter++;
206 mutex_unlock(&dg00x->mutex);
209 amdtp_dot_set_pcm_format(&dg00x->rx_stream, params_format(hw_params));
211 return 0;
214 static int pcm_capture_hw_free(struct snd_pcm_substream *substream)
216 struct snd_dg00x *dg00x = substream->private_data;
218 mutex_lock(&dg00x->mutex);
220 if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
221 dg00x->substreams_counter--;
223 snd_dg00x_stream_stop_duplex(dg00x);
225 mutex_unlock(&dg00x->mutex);
227 return snd_pcm_lib_free_vmalloc_buffer(substream);
230 static int pcm_playback_hw_free(struct snd_pcm_substream *substream)
232 struct snd_dg00x *dg00x = substream->private_data;
234 mutex_lock(&dg00x->mutex);
236 if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN)
237 dg00x->substreams_counter--;
239 snd_dg00x_stream_stop_duplex(dg00x);
241 mutex_unlock(&dg00x->mutex);
243 return snd_pcm_lib_free_vmalloc_buffer(substream);
246 static int pcm_capture_prepare(struct snd_pcm_substream *substream)
248 struct snd_dg00x *dg00x = substream->private_data;
249 struct snd_pcm_runtime *runtime = substream->runtime;
250 int err;
252 mutex_lock(&dg00x->mutex);
254 err = snd_dg00x_stream_start_duplex(dg00x, runtime->rate);
255 if (err >= 0)
256 amdtp_stream_pcm_prepare(&dg00x->tx_stream);
258 mutex_unlock(&dg00x->mutex);
260 return err;
263 static int pcm_playback_prepare(struct snd_pcm_substream *substream)
265 struct snd_dg00x *dg00x = substream->private_data;
266 struct snd_pcm_runtime *runtime = substream->runtime;
267 int err;
269 mutex_lock(&dg00x->mutex);
271 err = snd_dg00x_stream_start_duplex(dg00x, runtime->rate);
272 if (err >= 0) {
273 amdtp_stream_pcm_prepare(&dg00x->rx_stream);
274 amdtp_dot_reset(&dg00x->rx_stream);
277 mutex_unlock(&dg00x->mutex);
279 return err;
282 static int pcm_capture_trigger(struct snd_pcm_substream *substream, int cmd)
284 struct snd_dg00x *dg00x = substream->private_data;
286 switch (cmd) {
287 case SNDRV_PCM_TRIGGER_START:
288 amdtp_stream_pcm_trigger(&dg00x->tx_stream, substream);
289 break;
290 case SNDRV_PCM_TRIGGER_STOP:
291 amdtp_stream_pcm_trigger(&dg00x->tx_stream, NULL);
292 break;
293 default:
294 return -EINVAL;
297 return 0;
300 static int pcm_playback_trigger(struct snd_pcm_substream *substream, int cmd)
302 struct snd_dg00x *dg00x = substream->private_data;
304 switch (cmd) {
305 case SNDRV_PCM_TRIGGER_START:
306 amdtp_stream_pcm_trigger(&dg00x->rx_stream, substream);
307 break;
308 case SNDRV_PCM_TRIGGER_STOP:
309 amdtp_stream_pcm_trigger(&dg00x->rx_stream, NULL);
310 break;
311 default:
312 return -EINVAL;
315 return 0;
318 static snd_pcm_uframes_t pcm_capture_pointer(struct snd_pcm_substream *sbstrm)
320 struct snd_dg00x *dg00x = sbstrm->private_data;
322 return amdtp_stream_pcm_pointer(&dg00x->tx_stream);
325 static snd_pcm_uframes_t pcm_playback_pointer(struct snd_pcm_substream *sbstrm)
327 struct snd_dg00x *dg00x = sbstrm->private_data;
329 return amdtp_stream_pcm_pointer(&dg00x->rx_stream);
332 static struct snd_pcm_ops pcm_capture_ops = {
333 .open = pcm_open,
334 .close = pcm_close,
335 .ioctl = snd_pcm_lib_ioctl,
336 .hw_params = pcm_capture_hw_params,
337 .hw_free = pcm_capture_hw_free,
338 .prepare = pcm_capture_prepare,
339 .trigger = pcm_capture_trigger,
340 .pointer = pcm_capture_pointer,
341 .page = snd_pcm_lib_get_vmalloc_page,
344 static struct snd_pcm_ops pcm_playback_ops = {
345 .open = pcm_open,
346 .close = pcm_close,
347 .ioctl = snd_pcm_lib_ioctl,
348 .hw_params = pcm_playback_hw_params,
349 .hw_free = pcm_playback_hw_free,
350 .prepare = pcm_playback_prepare,
351 .trigger = pcm_playback_trigger,
352 .pointer = pcm_playback_pointer,
353 .page = snd_pcm_lib_get_vmalloc_page,
354 .mmap = snd_pcm_lib_mmap_vmalloc,
357 int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x)
359 struct snd_pcm *pcm;
360 int err;
362 err = snd_pcm_new(dg00x->card, dg00x->card->driver, 0, 1, 1, &pcm);
363 if (err < 0)
364 return err;
366 pcm->private_data = dg00x;
367 snprintf(pcm->name, sizeof(pcm->name),
368 "%s PCM", dg00x->card->shortname);
369 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_playback_ops);
370 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_capture_ops);
372 return 0;