[93c3163] | 1 | /*
|
---|
[0d59ea7e] | 2 | * Copyright (c) 2022 Jiri Svoboda
|
---|
[93c3163] | 3 | * All rights reserved.
|
---|
| 4 | *
|
---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
---|
| 6 | * modification, are permitted provided that the following conditions
|
---|
| 7 | * are met:
|
---|
| 8 | *
|
---|
| 9 | * - Redistributions of source code must retain the above copyright
|
---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
---|
| 13 | * documentation and/or other materials provided with the distribution.
|
---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
---|
| 15 | * derived from this software without specific prior written permission.
|
---|
| 16 | *
|
---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
---|
| 27 | */
|
---|
| 28 |
|
---|
| 29 | /** @addtogroup hdaudio
|
---|
| 30 | * @{
|
---|
| 31 | */
|
---|
| 32 | /** @file High Definition Audio PCM interface
|
---|
| 33 | */
|
---|
| 34 |
|
---|
| 35 | #include <async.h>
|
---|
| 36 | #include <audio_pcm_iface.h>
|
---|
| 37 | #include <ddf/log.h>
|
---|
| 38 | #include <errno.h>
|
---|
| 39 | #include <pcm/sample_format.h>
|
---|
| 40 | #include <stdbool.h>
|
---|
| 41 |
|
---|
[99cb9bf] | 42 | #include "codec.h"
|
---|
| 43 | #include "hdactl.h"
|
---|
| 44 | #include "hdaudio.h"
|
---|
[159c722d] | 45 | #include "pcm_iface.h"
|
---|
[99cb9bf] | 46 | #include "spec/fmt.h"
|
---|
| 47 | #include "stream.h"
|
---|
| 48 |
|
---|
[b7fd2a0] | 49 | static errno_t hda_get_info_str(ddf_fun_t *, const char **);
|
---|
[93c3163] | 50 | static unsigned hda_query_cap(ddf_fun_t *, audio_cap_t);
|
---|
[b7fd2a0] | 51 | static errno_t hda_test_format(ddf_fun_t *, unsigned *, unsigned *,
|
---|
[93c3163] | 52 | pcm_sample_format_t *);
|
---|
[b7fd2a0] | 53 | static errno_t hda_get_buffer(ddf_fun_t *, void **, size_t *);
|
---|
| 54 | static errno_t hda_get_buffer_position(ddf_fun_t *, size_t *);
|
---|
| 55 | static errno_t hda_set_event_session(ddf_fun_t *, async_sess_t *);
|
---|
[93c3163] | 56 | static async_sess_t *hda_get_event_session(ddf_fun_t *);
|
---|
[b7fd2a0] | 57 | static errno_t hda_release_buffer(ddf_fun_t *);
|
---|
| 58 | static errno_t hda_start_playback(ddf_fun_t *, unsigned, unsigned, unsigned,
|
---|
[93c3163] | 59 | pcm_sample_format_t);
|
---|
[b7fd2a0] | 60 | static errno_t hda_stop_playback(ddf_fun_t *, bool);
|
---|
| 61 | static errno_t hda_start_capture(ddf_fun_t *, unsigned, unsigned, unsigned,
|
---|
[93c3163] | 62 | pcm_sample_format_t);
|
---|
[b7fd2a0] | 63 | static errno_t hda_stop_capture(ddf_fun_t *, bool);
|
---|
[93c3163] | 64 |
|
---|
| 65 | audio_pcm_iface_t hda_pcm_iface = {
|
---|
| 66 | .get_info_str = hda_get_info_str,
|
---|
| 67 | .test_format = hda_test_format,
|
---|
| 68 | .query_cap = hda_query_cap,
|
---|
| 69 |
|
---|
| 70 | .get_buffer = hda_get_buffer,
|
---|
| 71 | .release_buffer = hda_release_buffer,
|
---|
| 72 | .set_event_session = hda_set_event_session,
|
---|
| 73 | .get_event_session = hda_get_event_session,
|
---|
| 74 | .get_buffer_pos = hda_get_buffer_position,
|
---|
| 75 |
|
---|
| 76 | .start_playback = hda_start_playback,
|
---|
| 77 | .stop_playback = hda_stop_playback,
|
---|
| 78 |
|
---|
| 79 | .start_capture = hda_start_capture,
|
---|
| 80 | .stop_capture = hda_stop_capture
|
---|
| 81 | };
|
---|
| 82 |
|
---|
[99cb9bf] | 83 | enum {
|
---|
| 84 | max_buffer_size = 65536 /* XXX this is completely arbitrary */
|
---|
| 85 | };
|
---|
| 86 |
|
---|
| 87 | static hda_t *fun_to_hda(ddf_fun_t *fun)
|
---|
| 88 | {
|
---|
| 89 | return (hda_t *)ddf_dev_data_get(ddf_fun_get_dev(fun));
|
---|
| 90 | }
|
---|
| 91 |
|
---|
[b7fd2a0] | 92 | static errno_t hda_get_info_str(ddf_fun_t *fun, const char **name)
|
---|
[93c3163] | 93 | {
|
---|
[cf78637] | 94 | ddf_msg(LVL_DEBUG, "hda_get_info_str()");
|
---|
[99cb9bf] | 95 | if (name)
|
---|
| 96 | *name = "High Definition Audio";
|
---|
| 97 | return EOK;
|
---|
[93c3163] | 98 | }
|
---|
| 99 |
|
---|
| 100 | static unsigned hda_query_cap(ddf_fun_t *fun, audio_cap_t cap)
|
---|
| 101 | {
|
---|
[0e4c5f0] | 102 | hda_t *hda = fun_to_hda(fun);
|
---|
| 103 |
|
---|
[cf78637] | 104 | ddf_msg(LVL_DEBUG, "hda_query_cap(%d)", cap);
|
---|
[99cb9bf] | 105 | switch (cap) {
|
---|
| 106 | case AUDIO_CAP_PLAYBACK:
|
---|
| 107 | case AUDIO_CAP_INTERRUPT:
|
---|
[0e4c5f0] | 108 | /* XXX Only if we have an output converter */
|
---|
[99cb9bf] | 109 | return 1;
|
---|
| 110 | case AUDIO_CAP_CAPTURE:
|
---|
[0e4c5f0] | 111 | /* Yes if we have an input converter */
|
---|
| 112 | return hda->ctl->codec->in_aw >= 0;
|
---|
| 113 | case AUDIO_CAP_BUFFER_POS:
|
---|
[99cb9bf] | 114 | return 0;
|
---|
| 115 | case AUDIO_CAP_MAX_BUFFER:
|
---|
| 116 | return max_buffer_size;
|
---|
| 117 | case AUDIO_CAP_INTERRUPT_MIN_FRAMES:
|
---|
| 118 | return 128;
|
---|
| 119 | case AUDIO_CAP_INTERRUPT_MAX_FRAMES:
|
---|
| 120 | return 16384;
|
---|
| 121 | default:
|
---|
[d5c1051] | 122 | return -1;
|
---|
[99cb9bf] | 123 | }
|
---|
[93c3163] | 124 | }
|
---|
| 125 |
|
---|
[b7fd2a0] | 126 | static errno_t hda_test_format(ddf_fun_t *fun, unsigned *channels,
|
---|
[93c3163] | 127 | unsigned *rate, pcm_sample_format_t *format)
|
---|
| 128 | {
|
---|
[b7fd2a0] | 129 | errno_t rc = EOK;
|
---|
[99cb9bf] | 130 |
|
---|
[cf78637] | 131 | ddf_msg(LVL_DEBUG, "hda_test_format(%u, %u, %d)\n",
|
---|
[99cb9bf] | 132 | *channels, *rate, *format);
|
---|
| 133 |
|
---|
[0d59ea7e] | 134 | if (*channels != 2) {
|
---|
[2f6b916] | 135 | *channels = 2;
|
---|
[99cb9bf] | 136 | rc = ELIMIT;
|
---|
| 137 | }
|
---|
| 138 |
|
---|
| 139 | if (*format != PCM_SAMPLE_SINT16_LE) {
|
---|
| 140 | *format = PCM_SAMPLE_SINT16_LE;
|
---|
| 141 | rc = ELIMIT;
|
---|
| 142 | }
|
---|
| 143 |
|
---|
[2f6b916] | 144 | if (*rate != 44100) {
|
---|
| 145 | *rate = 44100;
|
---|
[99cb9bf] | 146 | rc = ELIMIT;
|
---|
| 147 | }
|
---|
| 148 |
|
---|
| 149 | return rc;
|
---|
[93c3163] | 150 | }
|
---|
| 151 |
|
---|
[b7fd2a0] | 152 | static errno_t hda_get_buffer(ddf_fun_t *fun, void **buffer, size_t *size)
|
---|
[93c3163] | 153 | {
|
---|
[99cb9bf] | 154 | hda_t *hda = fun_to_hda(fun);
|
---|
[b7fd2a0] | 155 | errno_t rc;
|
---|
[99cb9bf] | 156 |
|
---|
[57a2208] | 157 | hda_lock(hda);
|
---|
| 158 |
|
---|
[cf78637] | 159 | ddf_msg(LVL_DEBUG, "hda_get_buffer(): hda=%p", hda);
|
---|
[0e4c5f0] | 160 | if (hda->pcm_buffers != NULL) {
|
---|
[57a2208] | 161 | hda_unlock(hda);
|
---|
[99cb9bf] | 162 | return EBUSY;
|
---|
[57a2208] | 163 | }
|
---|
[99cb9bf] | 164 |
|
---|
[cf78637] | 165 | ddf_msg(LVL_DEBUG, "hda_get_buffer() - allocate stream buffers");
|
---|
[0e4c5f0] | 166 | rc = hda_stream_buffers_alloc(hda, &hda->pcm_buffers);
|
---|
| 167 | if (rc != EOK) {
|
---|
| 168 | assert(rc == ENOMEM);
|
---|
[57a2208] | 169 | hda_unlock(hda);
|
---|
[0e4c5f0] | 170 | return ENOMEM;
|
---|
[57a2208] | 171 | }
|
---|
[99cb9bf] | 172 |
|
---|
[cf78637] | 173 | ddf_msg(LVL_DEBUG, "hda_get_buffer() - fill info");
|
---|
[99cb9bf] | 174 | /* XXX This is only one buffer */
|
---|
[0e4c5f0] | 175 | *buffer = hda->pcm_buffers->buf[0];
|
---|
| 176 | *size = hda->pcm_buffers->bufsize * hda->pcm_buffers->nbuffers;
|
---|
[99cb9bf] | 177 |
|
---|
[cf78637] | 178 | ddf_msg(LVL_DEBUG, "hda_get_buffer() returing EOK, buffer=%p, size=%zu",
|
---|
[99cb9bf] | 179 | *buffer, *size);
|
---|
[57a2208] | 180 |
|
---|
| 181 | hda_unlock(hda);
|
---|
[99cb9bf] | 182 | return EOK;
|
---|
[93c3163] | 183 | }
|
---|
| 184 |
|
---|
[b7fd2a0] | 185 | static errno_t hda_get_buffer_position(ddf_fun_t *fun, size_t *pos)
|
---|
[93c3163] | 186 | {
|
---|
[cf78637] | 187 | ddf_msg(LVL_DEBUG, "hda_get_buffer_position()");
|
---|
[93c3163] | 188 | return ENOTSUP;
|
---|
| 189 | }
|
---|
| 190 |
|
---|
[b7fd2a0] | 191 | static errno_t hda_set_event_session(ddf_fun_t *fun, async_sess_t *sess)
|
---|
[93c3163] | 192 | {
|
---|
[159c722d] | 193 | hda_t *hda = fun_to_hda(fun);
|
---|
| 194 |
|
---|
[cf78637] | 195 | ddf_msg(LVL_DEBUG, "hda_set_event_session()");
|
---|
[57a2208] | 196 | hda_lock(hda);
|
---|
[159c722d] | 197 | hda->ev_sess = sess;
|
---|
[57a2208] | 198 | hda_unlock(hda);
|
---|
| 199 |
|
---|
[159c722d] | 200 | return EOK;
|
---|
[93c3163] | 201 | }
|
---|
| 202 |
|
---|
| 203 | static async_sess_t *hda_get_event_session(ddf_fun_t *fun)
|
---|
| 204 | {
|
---|
[159c722d] | 205 | hda_t *hda = fun_to_hda(fun);
|
---|
[57a2208] | 206 | async_sess_t *sess;
|
---|
[159c722d] | 207 |
|
---|
[cf78637] | 208 | ddf_msg(LVL_DEBUG, "hda_get_event_session()");
|
---|
[57a2208] | 209 |
|
---|
| 210 | hda_lock(hda);
|
---|
| 211 | sess = hda->ev_sess;
|
---|
| 212 | hda_unlock(hda);
|
---|
| 213 |
|
---|
| 214 | return sess;
|
---|
[93c3163] | 215 | }
|
---|
| 216 |
|
---|
[b7fd2a0] | 217 | static errno_t hda_release_buffer(ddf_fun_t *fun)
|
---|
[93c3163] | 218 | {
|
---|
[99cb9bf] | 219 | hda_t *hda = fun_to_hda(fun);
|
---|
| 220 |
|
---|
[57a2208] | 221 | hda_lock(hda);
|
---|
| 222 |
|
---|
[cf78637] | 223 | ddf_msg(LVL_DEBUG, "hda_release_buffer()");
|
---|
[0e4c5f0] | 224 | if (hda->pcm_buffers == NULL) {
|
---|
[57a2208] | 225 | hda_unlock(hda);
|
---|
[99cb9bf] | 226 | return EINVAL;
|
---|
[57a2208] | 227 | }
|
---|
[99cb9bf] | 228 |
|
---|
[0e4c5f0] | 229 | hda_stream_buffers_free(hda->pcm_buffers);
|
---|
[4a5ae542] | 230 | hda->pcm_buffers = NULL;
|
---|
[57a2208] | 231 |
|
---|
| 232 | hda_unlock(hda);
|
---|
[99cb9bf] | 233 | return EOK;
|
---|
[93c3163] | 234 | }
|
---|
| 235 |
|
---|
[b7fd2a0] | 236 | static errno_t hda_start_playback(ddf_fun_t *fun, unsigned frames,
|
---|
[93c3163] | 237 | unsigned channels, unsigned rate, pcm_sample_format_t format)
|
---|
| 238 | {
|
---|
[99cb9bf] | 239 | hda_t *hda = fun_to_hda(fun);
|
---|
[b7fd2a0] | 240 | errno_t rc;
|
---|
[99cb9bf] | 241 |
|
---|
[cf78637] | 242 | ddf_msg(LVL_DEBUG, "hda_start_playback()");
|
---|
[57a2208] | 243 | hda_lock(hda);
|
---|
[99cb9bf] | 244 |
|
---|
[0e4c5f0] | 245 | if (hda->pcm_stream != NULL) {
|
---|
| 246 | hda_unlock(hda);
|
---|
| 247 | return EBUSY;
|
---|
| 248 | }
|
---|
| 249 |
|
---|
| 250 | /* XXX Choose appropriate parameters */
|
---|
| 251 | uint32_t fmt;
|
---|
| 252 | /* 48 kHz, 16-bits, 1 channel */
|
---|
| 253 | fmt = (fmt_base_44khz << fmt_base) | (fmt_bits_16 << fmt_bits_l) | 1;
|
---|
| 254 |
|
---|
| 255 | ddf_msg(LVL_NOTE, "hda_start_playback() - create output stream");
|
---|
| 256 | hda->pcm_stream = hda_stream_create(hda, sdir_output, hda->pcm_buffers,
|
---|
| 257 | fmt);
|
---|
| 258 | if (hda->pcm_stream == NULL) {
|
---|
| 259 | hda_unlock(hda);
|
---|
| 260 | return EIO;
|
---|
| 261 | }
|
---|
| 262 |
|
---|
[3fec817] | 263 | rc = hda_out_converter_setup(hda->ctl->codec, hda->pcm_stream);
|
---|
[57a2208] | 264 | if (rc != EOK) {
|
---|
[0e4c5f0] | 265 | hda_stream_destroy(hda->pcm_stream);
|
---|
| 266 | hda->pcm_stream = NULL;
|
---|
[57a2208] | 267 | hda_unlock(hda);
|
---|
[99cb9bf] | 268 | return rc;
|
---|
[57a2208] | 269 | }
|
---|
[99cb9bf] | 270 |
|
---|
[57a2208] | 271 | hda->playing = true;
|
---|
[0e4c5f0] | 272 | hda_stream_start(hda->pcm_stream);
|
---|
[57a2208] | 273 | hda_unlock(hda);
|
---|
[99cb9bf] | 274 | return EOK;
|
---|
[93c3163] | 275 | }
|
---|
| 276 |
|
---|
[b7fd2a0] | 277 | static errno_t hda_stop_playback(ddf_fun_t *fun, bool immediate)
|
---|
[93c3163] | 278 | {
|
---|
[6747b929] | 279 | hda_t *hda = fun_to_hda(fun);
|
---|
| 280 |
|
---|
[cf78637] | 281 | ddf_msg(LVL_DEBUG, "hda_stop_playback()");
|
---|
[57a2208] | 282 | hda_lock(hda);
|
---|
[6747b929] | 283 | hda_stream_stop(hda->pcm_stream);
|
---|
| 284 | hda_stream_reset(hda->pcm_stream);
|
---|
[57a2208] | 285 | hda->playing = false;
|
---|
[0e4c5f0] | 286 | hda_stream_destroy(hda->pcm_stream);
|
---|
| 287 | hda->pcm_stream = NULL;
|
---|
| 288 |
|
---|
[57a2208] | 289 | hda_unlock(hda);
|
---|
[6747b929] | 290 |
|
---|
| 291 | hda_pcm_event(hda, PCM_EVENT_PLAYBACK_TERMINATED);
|
---|
| 292 | return EOK;
|
---|
[93c3163] | 293 | }
|
---|
| 294 |
|
---|
[b7fd2a0] | 295 | static errno_t hda_start_capture(ddf_fun_t *fun, unsigned frames, unsigned channels,
|
---|
[93c3163] | 296 | unsigned rate, pcm_sample_format_t format)
|
---|
| 297 | {
|
---|
[0e4c5f0] | 298 | hda_t *hda = fun_to_hda(fun);
|
---|
[b7fd2a0] | 299 | errno_t rc;
|
---|
[0e4c5f0] | 300 |
|
---|
[cf78637] | 301 | ddf_msg(LVL_DEBUG, "hda_start_capture()");
|
---|
[0e4c5f0] | 302 | hda_lock(hda);
|
---|
| 303 |
|
---|
| 304 | if (hda->pcm_stream != NULL) {
|
---|
| 305 | hda_unlock(hda);
|
---|
| 306 | return EBUSY;
|
---|
| 307 | }
|
---|
| 308 |
|
---|
| 309 | /* XXX Choose appropriate parameters */
|
---|
| 310 | uint32_t fmt;
|
---|
| 311 | /* 48 kHz, 16-bits, 1 channel */
|
---|
| 312 | fmt = (fmt_base_44khz << fmt_base) | (fmt_bits_16 << fmt_bits_l) | 1;
|
---|
| 313 |
|
---|
[cf78637] | 314 | ddf_msg(LVL_DEBUG, "hda_start_capture() - create input stream");
|
---|
[0e4c5f0] | 315 | hda->pcm_stream = hda_stream_create(hda, sdir_input, hda->pcm_buffers,
|
---|
| 316 | fmt);
|
---|
| 317 | if (hda->pcm_stream == NULL) {
|
---|
| 318 | hda_unlock(hda);
|
---|
| 319 | return EIO;
|
---|
| 320 | }
|
---|
| 321 |
|
---|
| 322 | rc = hda_in_converter_setup(hda->ctl->codec, hda->pcm_stream);
|
---|
| 323 | if (rc != EOK) {
|
---|
| 324 | hda_stream_destroy(hda->pcm_stream);
|
---|
| 325 | hda->pcm_stream = NULL;
|
---|
| 326 | hda_unlock(hda);
|
---|
| 327 | return rc;
|
---|
| 328 | }
|
---|
| 329 |
|
---|
| 330 | hda->capturing = true;
|
---|
| 331 | hda_stream_start(hda->pcm_stream);
|
---|
| 332 | hda_unlock(hda);
|
---|
| 333 | return EOK;
|
---|
[93c3163] | 334 | }
|
---|
| 335 |
|
---|
[b7fd2a0] | 336 | static errno_t hda_stop_capture(ddf_fun_t *fun, bool immediate)
|
---|
[93c3163] | 337 | {
|
---|
[0e4c5f0] | 338 | hda_t *hda = fun_to_hda(fun);
|
---|
| 339 |
|
---|
[cf78637] | 340 | ddf_msg(LVL_DEBUG, "hda_stop_capture()");
|
---|
[0e4c5f0] | 341 | hda_lock(hda);
|
---|
| 342 | hda_stream_stop(hda->pcm_stream);
|
---|
| 343 | hda_stream_reset(hda->pcm_stream);
|
---|
| 344 | hda->capturing = false;
|
---|
| 345 | hda_stream_destroy(hda->pcm_stream);
|
---|
| 346 | hda->pcm_stream = NULL;
|
---|
| 347 | hda_unlock(hda);
|
---|
| 348 |
|
---|
| 349 | hda_pcm_event(hda, PCM_EVENT_CAPTURE_TERMINATED);
|
---|
| 350 | return EOK;
|
---|
[93c3163] | 351 | }
|
---|
| 352 |
|
---|
[159c722d] | 353 | void hda_pcm_event(hda_t *hda, pcm_event_t event)
|
---|
| 354 | {
|
---|
| 355 | async_exch_t *exchange;
|
---|
| 356 |
|
---|
| 357 | if (hda->ev_sess == NULL) {
|
---|
[1433ecda] | 358 | if (0)
|
---|
| 359 | ddf_log_warning("No one listening for event %u", event);
|
---|
[159c722d] | 360 | return;
|
---|
| 361 | }
|
---|
| 362 |
|
---|
| 363 | exchange = async_exchange_begin(hda->ev_sess);
|
---|
| 364 | async_msg_1(exchange, event, 0);
|
---|
| 365 | async_exchange_end(exchange);
|
---|
| 366 | }
|
---|
| 367 |
|
---|
[93c3163] | 368 | /** @}
|
---|
| 369 | */
|
---|