2 * Copyright (C) 2010 Red Hat, Inc.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 or
9 * (at your option) version 3 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include "qemu/osdep.h"
21 #include "qemu/atomic.h"
23 #include "hw/pci/pci.h"
24 #include "intel-hda.h"
25 #include "intel-hda-defs.h"
26 #include "audio/audio.h"
29 /* -------------------------------------------------------------------------- */
31 typedef struct desc_param {
36 typedef struct desc_node {
39 const desc_param *params;
47 typedef struct desc_codec {
50 const desc_node *nodes;
54 static const desc_param* hda_codec_find_param(const desc_node *node, uint32_t id)
58 for (i = 0; i < node->nparams; i++) {
59 if (node->params[i].id == id) {
60 return &node->params[i];
66 static const desc_node* hda_codec_find_node(const desc_codec *codec, uint32_t nid)
70 for (i = 0; i < codec->nnodes; i++) {
71 if (codec->nodes[i].nid == nid) {
72 return &codec->nodes[i];
78 static void hda_codec_parse_fmt(uint32_t format, struct audsettings *as)
80 if (format & AC_FMT_TYPE_NON_PCM) {
84 as->freq = (format & AC_FMT_BASE_44K) ? 44100 : 48000;
86 switch ((format & AC_FMT_MULT_MASK) >> AC_FMT_MULT_SHIFT) {
87 case 1: as->freq *= 2; break;
88 case 2: as->freq *= 3; break;
89 case 3: as->freq *= 4; break;
92 switch ((format & AC_FMT_DIV_MASK) >> AC_FMT_DIV_SHIFT) {
93 case 1: as->freq /= 2; break;
94 case 2: as->freq /= 3; break;
95 case 3: as->freq /= 4; break;
96 case 4: as->freq /= 5; break;
97 case 5: as->freq /= 6; break;
98 case 6: as->freq /= 7; break;
99 case 7: as->freq /= 8; break;
102 switch (format & AC_FMT_BITS_MASK) {
103 case AC_FMT_BITS_8: as->fmt = AUD_FMT_S8; break;
104 case AC_FMT_BITS_16: as->fmt = AUD_FMT_S16; break;
105 case AC_FMT_BITS_32: as->fmt = AUD_FMT_S32; break;
108 as->nchannels = ((format & AC_FMT_CHAN_MASK) >> AC_FMT_CHAN_SHIFT) + 1;
111 /* -------------------------------------------------------------------------- */
113 * HDA codec descriptions
118 #define QEMU_HDA_ID_VENDOR 0x1af4
119 #define QEMU_HDA_PCM_FORMATS (AC_SUPPCM_BITS_16 | \
120 0x1fc /* 16 -> 96 kHz */)
121 #define QEMU_HDA_AMP_NONE (0)
122 #define QEMU_HDA_AMP_STEPS 0x4a
126 #include "hda-codec-common.h"
128 #define PARAM nomixemu
129 #include "hda-codec-common.h"
131 #define HDA_TIMER_TICKS (SCALE_MS)
132 #define B_SIZE sizeof(st->buf)
133 #define B_MASK (sizeof(st->buf) - 1)
135 /* -------------------------------------------------------------------------- */
137 static const char *fmt2name[] = {
138 [ AUD_FMT_U8 ] = "PCM-U8",
139 [ AUD_FMT_S8 ] = "PCM-S8",
140 [ AUD_FMT_U16 ] = "PCM-U16",
141 [ AUD_FMT_S16 ] = "PCM-S16",
142 [ AUD_FMT_U32 ] = "PCM-U32",
143 [ AUD_FMT_S32 ] = "PCM-S32",
146 typedef struct HDAAudioState HDAAudioState;
147 typedef struct HDAAudioStream HDAAudioStream;
149 struct HDAAudioStream {
150 HDAAudioState *state;
151 const desc_node *node;
152 bool output, running;
156 uint32_t gain_left, gain_right;
157 bool mute_left, mute_right;
158 struct audsettings as;
163 uint8_t compat_buf[HDA_BUFFER_SIZE];
164 uint32_t compat_bpos;
165 uint8_t buf[8192]; /* size must be power of two */
172 #define TYPE_HDA_AUDIO "hda-audio"
173 #define HDA_AUDIO(obj) OBJECT_CHECK(HDAAudioState, (obj), TYPE_HDA_AUDIO)
175 struct HDAAudioState {
180 const desc_codec *desc;
181 HDAAudioStream st[4];
182 bool running_compat[16];
183 bool running_real[2 * 16];
191 static inline int64_t hda_bytes_per_second(HDAAudioStream *st)
193 return 2 * st->as.nchannels * st->as.freq;
196 static inline void hda_timer_sync_adjust(HDAAudioStream *st, int64_t target_pos)
198 int64_t limit = B_SIZE / 8;
201 if (target_pos > limit) {
202 corr = HDA_TIMER_TICKS;
204 if (target_pos < -limit) {
205 corr = -HDA_TIMER_TICKS;
211 trace_hda_audio_adjust(st->node->name, target_pos);
212 atomic_fetch_add(&st->buft_start, corr);
215 static void hda_audio_input_timer(void *opaque)
217 HDAAudioStream *st = opaque;
219 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
221 int64_t buft_start = atomic_fetch_add(&st->buft_start, 0);
222 int64_t wpos = atomic_fetch_add(&st->wpos, 0);
223 int64_t rpos = atomic_fetch_add(&st->rpos, 0);
225 int64_t wanted_rpos = hda_bytes_per_second(st) * (now - buft_start)
226 / NANOSECONDS_PER_SECOND;
227 wanted_rpos &= -4; /* IMPORTANT! clip to frames */
229 if (wanted_rpos <= rpos) {
230 /* we already transmitted the data */
234 int64_t to_transfer = audio_MIN(wpos - rpos, wanted_rpos - rpos);
235 while (to_transfer) {
236 uint32_t start = (rpos & B_MASK);
237 uint32_t chunk = audio_MIN(B_SIZE - start, to_transfer);
238 int rc = hda_codec_xfer(
239 &st->state->hda, st->stream, false, st->buf + start, chunk);
244 to_transfer -= chunk;
245 atomic_fetch_add(&st->rpos, chunk);
251 timer_mod_anticipate_ns(st->buft, now + HDA_TIMER_TICKS);
255 static void hda_audio_input_cb(void *opaque, int avail)
257 HDAAudioStream *st = opaque;
259 int64_t wpos = atomic_fetch_add(&st->wpos, 0);
260 int64_t rpos = atomic_fetch_add(&st->rpos, 0);
262 int64_t to_transfer = audio_MIN(B_SIZE - (wpos - rpos), avail);
264 hda_timer_sync_adjust(st, -((wpos - rpos) + to_transfer - (B_SIZE >> 1)));
266 while (to_transfer) {
267 uint32_t start = (uint32_t) (wpos & B_MASK);
268 uint32_t chunk = (uint32_t) audio_MIN(B_SIZE - start, to_transfer);
269 uint32_t read = AUD_read(st->voice.in, st->buf + start, chunk);
272 atomic_fetch_add(&st->wpos, read);
279 static void hda_audio_output_timer(void *opaque)
281 HDAAudioStream *st = opaque;
283 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
285 int64_t buft_start = atomic_fetch_add(&st->buft_start, 0);
286 int64_t wpos = atomic_fetch_add(&st->wpos, 0);
287 int64_t rpos = atomic_fetch_add(&st->rpos, 0);
289 int64_t wanted_wpos = hda_bytes_per_second(st) * (now - buft_start)
290 / NANOSECONDS_PER_SECOND;
291 wanted_wpos &= -4; /* IMPORTANT! clip to frames */
293 if (wanted_wpos <= wpos) {
294 /* we already received the data */
298 int64_t to_transfer = audio_MIN(B_SIZE - (wpos - rpos), wanted_wpos - wpos);
299 while (to_transfer) {
300 uint32_t start = (wpos & B_MASK);
301 uint32_t chunk = audio_MIN(B_SIZE - start, to_transfer);
302 int rc = hda_codec_xfer(
303 &st->state->hda, st->stream, true, st->buf + start, chunk);
308 to_transfer -= chunk;
309 atomic_fetch_add(&st->wpos, chunk);
315 timer_mod_anticipate_ns(st->buft, now + HDA_TIMER_TICKS);
319 static void hda_audio_output_cb(void *opaque, int avail)
321 HDAAudioStream *st = opaque;
323 int64_t wpos = atomic_fetch_add(&st->wpos, 0);
324 int64_t rpos = atomic_fetch_add(&st->rpos, 0);
326 int64_t to_transfer = audio_MIN(wpos - rpos, avail);
328 hda_timer_sync_adjust(st, (wpos - rpos) - to_transfer - (B_SIZE >> 1));
330 while (to_transfer) {
331 uint32_t start = (uint32_t) (rpos & B_MASK);
332 uint32_t chunk = (uint32_t) audio_MIN(B_SIZE - start, to_transfer);
333 uint32_t written = AUD_write(st->voice.out, st->buf + start, chunk);
335 to_transfer -= written;
336 atomic_fetch_add(&st->rpos, written);
337 if (chunk != written) {
343 static void hda_audio_compat_input_cb(void *opaque, int avail)
345 HDAAudioStream *st = opaque;
350 while (avail - recv >= sizeof(st->compat_buf)) {
351 if (st->compat_bpos != sizeof(st->compat_buf)) {
352 len = AUD_read(st->voice.in, st->compat_buf + st->compat_bpos,
353 sizeof(st->compat_buf) - st->compat_bpos);
354 st->compat_bpos += len;
356 if (st->compat_bpos != sizeof(st->compat_buf)) {
360 rc = hda_codec_xfer(&st->state->hda, st->stream, false,
361 st->compat_buf, sizeof(st->compat_buf));
369 static void hda_audio_compat_output_cb(void *opaque, int avail)
371 HDAAudioStream *st = opaque;
376 while (avail - sent >= sizeof(st->compat_buf)) {
377 if (st->compat_bpos == sizeof(st->compat_buf)) {
378 rc = hda_codec_xfer(&st->state->hda, st->stream, true,
379 st->compat_buf, sizeof(st->compat_buf));
385 len = AUD_write(st->voice.out, st->compat_buf + st->compat_bpos,
386 sizeof(st->compat_buf) - st->compat_bpos);
387 st->compat_bpos += len;
389 if (st->compat_bpos != sizeof(st->compat_buf)) {
395 static void hda_audio_set_running(HDAAudioStream *st, bool running)
397 if (st->node == NULL) {
400 if (st->running == running) {
403 st->running = running;
404 trace_hda_audio_running(st->node->name, st->stream, st->running);
405 if (st->state->use_timer) {
407 int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
410 st->buft_start = now;
411 timer_mod_anticipate_ns(st->buft, now + HDA_TIMER_TICKS);
417 AUD_set_active_out(st->voice.out, st->running);
419 AUD_set_active_in(st->voice.in, st->running);
423 static void hda_audio_set_amp(HDAAudioStream *st)
426 uint32_t left, right;
428 if (st->node == NULL) {
432 muted = st->mute_left && st->mute_right;
433 left = st->mute_left ? 0 : st->gain_left;
434 right = st->mute_right ? 0 : st->gain_right;
436 left = left * 255 / QEMU_HDA_AMP_STEPS;
437 right = right * 255 / QEMU_HDA_AMP_STEPS;
439 if (!st->state->mixer) {
443 AUD_set_volume_out(st->voice.out, muted, left, right);
445 AUD_set_volume_in(st->voice.in, muted, left, right);
449 static void hda_audio_setup(HDAAudioStream *st)
451 bool use_timer = st->state->use_timer;
452 audio_callback_fn cb;
454 if (st->node == NULL) {
458 trace_hda_audio_format(st->node->name, st->as.nchannels,
459 fmt2name[st->as.fmt], st->as.freq);
463 cb = hda_audio_output_cb;
464 st->buft = timer_new_ns(QEMU_CLOCK_VIRTUAL,
465 hda_audio_output_timer, st);
467 cb = hda_audio_compat_output_cb;
469 st->voice.out = AUD_open_out(&st->state->card, st->voice.out,
470 st->node->name, st, cb, &st->as);
473 cb = hda_audio_input_cb;
474 st->buft = timer_new_ns(QEMU_CLOCK_VIRTUAL,
475 hda_audio_input_timer, st);
477 cb = hda_audio_compat_input_cb;
479 st->voice.in = AUD_open_in(&st->state->card, st->voice.in,
480 st->node->name, st, cb, &st->as);
484 static void hda_audio_command(HDACodecDevice *hda, uint32_t nid, uint32_t data)
486 HDAAudioState *a = HDA_AUDIO(hda);
488 const desc_node *node = NULL;
489 const desc_param *param;
490 uint32_t verb, payload, response, count, shift;
492 if ((data & 0x70000) == 0x70000) {
493 /* 12/8 id/payload */
494 verb = (data >> 8) & 0xfff;
495 payload = data & 0x00ff;
497 /* 4/16 id/payload */
498 verb = (data >> 8) & 0xf00;
499 payload = data & 0xffff;
502 node = hda_codec_find_node(a->desc, nid);
506 dprint(a, 2, "%s: nid %d (%s), verb 0x%x, payload 0x%x\n",
507 __func__, nid, node->name, verb, payload);
511 case AC_VERB_PARAMETERS:
512 param = hda_codec_find_param(node, payload);
516 hda_codec_response(hda, true, param->val);
518 case AC_VERB_GET_SUBSYSTEM_ID:
519 hda_codec_response(hda, true, a->desc->iid);
523 case AC_VERB_GET_CONNECT_LIST:
524 param = hda_codec_find_param(node, AC_PAR_CONNLIST_LEN);
525 count = param ? param->val : 0;
528 while (payload < count && shift < 32) {
529 response |= node->conn[payload] << shift;
533 hda_codec_response(hda, true, response);
537 case AC_VERB_GET_CONFIG_DEFAULT:
538 hda_codec_response(hda, true, node->config);
540 case AC_VERB_GET_PIN_WIDGET_CONTROL:
541 hda_codec_response(hda, true, node->pinctl);
543 case AC_VERB_SET_PIN_WIDGET_CONTROL:
544 if (node->pinctl != payload) {
545 dprint(a, 1, "unhandled pin control bit\n");
547 hda_codec_response(hda, true, 0);
550 /* audio in/out widget */
551 case AC_VERB_SET_CHANNEL_STREAMID:
552 st = a->st + node->stindex;
553 if (st->node == NULL) {
556 hda_audio_set_running(st, false);
557 st->stream = (payload >> 4) & 0x0f;
558 st->channel = payload & 0x0f;
559 dprint(a, 2, "%s: stream %d, channel %d\n",
560 st->node->name, st->stream, st->channel);
561 hda_audio_set_running(st, a->running_real[st->output * 16 + st->stream]);
562 hda_codec_response(hda, true, 0);
564 case AC_VERB_GET_CONV:
565 st = a->st + node->stindex;
566 if (st->node == NULL) {
569 response = st->stream << 4 | st->channel;
570 hda_codec_response(hda, true, response);
572 case AC_VERB_SET_STREAM_FORMAT:
573 st = a->st + node->stindex;
574 if (st->node == NULL) {
577 st->format = payload;
578 hda_codec_parse_fmt(st->format, &st->as);
580 hda_codec_response(hda, true, 0);
582 case AC_VERB_GET_STREAM_FORMAT:
583 st = a->st + node->stindex;
584 if (st->node == NULL) {
587 hda_codec_response(hda, true, st->format);
589 case AC_VERB_GET_AMP_GAIN_MUTE:
590 st = a->st + node->stindex;
591 if (st->node == NULL) {
594 if (payload & AC_AMP_GET_LEFT) {
595 response = st->gain_left | (st->mute_left ? AC_AMP_MUTE : 0);
597 response = st->gain_right | (st->mute_right ? AC_AMP_MUTE : 0);
599 hda_codec_response(hda, true, response);
601 case AC_VERB_SET_AMP_GAIN_MUTE:
602 st = a->st + node->stindex;
603 if (st->node == NULL) {
606 dprint(a, 1, "amp (%s): %s%s%s%s index %d gain %3d %s\n",
608 (payload & AC_AMP_SET_OUTPUT) ? "o" : "-",
609 (payload & AC_AMP_SET_INPUT) ? "i" : "-",
610 (payload & AC_AMP_SET_LEFT) ? "l" : "-",
611 (payload & AC_AMP_SET_RIGHT) ? "r" : "-",
612 (payload & AC_AMP_SET_INDEX) >> AC_AMP_SET_INDEX_SHIFT,
613 (payload & AC_AMP_GAIN),
614 (payload & AC_AMP_MUTE) ? "muted" : "");
615 if (payload & AC_AMP_SET_LEFT) {
616 st->gain_left = payload & AC_AMP_GAIN;
617 st->mute_left = payload & AC_AMP_MUTE;
619 if (payload & AC_AMP_SET_RIGHT) {
620 st->gain_right = payload & AC_AMP_GAIN;
621 st->mute_right = payload & AC_AMP_MUTE;
623 hda_audio_set_amp(st);
624 hda_codec_response(hda, true, 0);
628 case AC_VERB_SET_POWER_STATE:
629 case AC_VERB_GET_POWER_STATE:
630 case AC_VERB_GET_SDI_SELECT:
631 hda_codec_response(hda, true, 0);
639 dprint(a, 1, "%s: not handled: nid %d (%s), verb 0x%x, payload 0x%x\n",
640 __func__, nid, node ? node->name : "?", verb, payload);
641 hda_codec_response(hda, true, 0);
644 static void hda_audio_stream(HDACodecDevice *hda, uint32_t stnr, bool running, bool output)
646 HDAAudioState *a = HDA_AUDIO(hda);
649 a->running_compat[stnr] = running;
650 a->running_real[output * 16 + stnr] = running;
651 for (s = 0; s < ARRAY_SIZE(a->st); s++) {
652 if (a->st[s].node == NULL) {
655 if (a->st[s].output != output) {
658 if (a->st[s].stream != stnr) {
661 hda_audio_set_running(&a->st[s], running);
665 static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
667 HDAAudioState *a = HDA_AUDIO(hda);
669 const desc_node *node;
670 const desc_param *param;
674 a->name = object_get_typename(OBJECT(a));
675 dprint(a, 1, "%s: cad %d\n", __func__, a->hda.cad);
677 AUD_register_card("hda", &a->card);
678 for (i = 0; i < a->desc->nnodes; i++) {
679 node = a->desc->nodes + i;
680 param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
684 type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
688 assert(node->stindex < ARRAY_SIZE(a->st));
689 st = a->st + node->stindex;
692 if (type == AC_WID_AUD_OUT) {
693 /* unmute output by default */
694 st->gain_left = QEMU_HDA_AMP_STEPS;
695 st->gain_right = QEMU_HDA_AMP_STEPS;
696 st->compat_bpos = sizeof(st->compat_buf);
701 st->format = AC_FMT_TYPE_PCM | AC_FMT_BITS_16 |
702 (1 << AC_FMT_CHAN_SHIFT);
703 hda_codec_parse_fmt(st->format, &st->as);
711 static void hda_audio_exit(HDACodecDevice *hda)
713 HDAAudioState *a = HDA_AUDIO(hda);
717 dprint(a, 1, "%s\n", __func__);
718 for (i = 0; i < ARRAY_SIZE(a->st); i++) {
720 if (st->node == NULL) {
727 AUD_close_out(&a->card, st->voice.out);
729 AUD_close_in(&a->card, st->voice.in);
732 AUD_remove_card(&a->card);
735 static int hda_audio_post_load(void *opaque, int version)
737 HDAAudioState *a = opaque;
741 dprint(a, 1, "%s\n", __func__);
743 /* assume running_compat[] is for output streams */
744 for (i = 0; i < ARRAY_SIZE(a->running_compat); i++)
745 a->running_real[16 + i] = a->running_compat[i];
748 for (i = 0; i < ARRAY_SIZE(a->st); i++) {
750 if (st->node == NULL)
752 hda_codec_parse_fmt(st->format, &st->as);
754 hda_audio_set_amp(st);
755 hda_audio_set_running(st, a->running_real[st->output * 16 + st->stream]);
760 static void hda_audio_reset(DeviceState *dev)
762 HDAAudioState *a = HDA_AUDIO(dev);
766 dprint(a, 1, "%s\n", __func__);
767 for (i = 0; i < ARRAY_SIZE(a->st); i++) {
769 if (st->node != NULL) {
770 hda_audio_set_running(st, false);
775 static bool vmstate_hda_audio_stream_buf_needed(void *opaque)
777 HDAAudioStream *st = opaque;
778 return st->state->use_timer;
781 static const VMStateDescription vmstate_hda_audio_stream_buf = {
782 .name = "hda-audio-stream/buffer",
784 .needed = vmstate_hda_audio_stream_buf_needed,
785 .fields = (VMStateField[]) {
786 VMSTATE_BUFFER(buf, HDAAudioStream),
787 VMSTATE_INT64(rpos, HDAAudioStream),
788 VMSTATE_INT64(wpos, HDAAudioStream),
789 VMSTATE_TIMER_PTR(buft, HDAAudioStream),
790 VMSTATE_INT64(buft_start, HDAAudioStream),
791 VMSTATE_END_OF_LIST()
795 static const VMStateDescription vmstate_hda_audio_stream = {
796 .name = "hda-audio-stream",
798 .fields = (VMStateField[]) {
799 VMSTATE_UINT32(stream, HDAAudioStream),
800 VMSTATE_UINT32(channel, HDAAudioStream),
801 VMSTATE_UINT32(format, HDAAudioStream),
802 VMSTATE_UINT32(gain_left, HDAAudioStream),
803 VMSTATE_UINT32(gain_right, HDAAudioStream),
804 VMSTATE_BOOL(mute_left, HDAAudioStream),
805 VMSTATE_BOOL(mute_right, HDAAudioStream),
806 VMSTATE_UINT32(compat_bpos, HDAAudioStream),
807 VMSTATE_BUFFER(compat_buf, HDAAudioStream),
808 VMSTATE_END_OF_LIST()
810 .subsections = (const VMStateDescription * []) {
811 &vmstate_hda_audio_stream_buf,
816 static const VMStateDescription vmstate_hda_audio = {
819 .post_load = hda_audio_post_load,
820 .fields = (VMStateField[]) {
821 VMSTATE_STRUCT_ARRAY(st, HDAAudioState, 4, 0,
822 vmstate_hda_audio_stream,
824 VMSTATE_BOOL_ARRAY(running_compat, HDAAudioState, 16),
825 VMSTATE_BOOL_ARRAY_V(running_real, HDAAudioState, 2 * 16, 2),
826 VMSTATE_END_OF_LIST()
830 static Property hda_audio_properties[] = {
831 DEFINE_PROP_UINT32("debug", HDAAudioState, debug, 0),
832 DEFINE_PROP_BOOL("mixer", HDAAudioState, mixer, true),
833 DEFINE_PROP_BOOL("use-timer", HDAAudioState, use_timer, false),
834 DEFINE_PROP_END_OF_LIST(),
837 static int hda_audio_init_output(HDACodecDevice *hda)
839 HDAAudioState *a = HDA_AUDIO(hda);
842 return hda_audio_init(hda, &output_nomixemu);
844 return hda_audio_init(hda, &output_mixemu);
848 static int hda_audio_init_duplex(HDACodecDevice *hda)
850 HDAAudioState *a = HDA_AUDIO(hda);
853 return hda_audio_init(hda, &duplex_nomixemu);
855 return hda_audio_init(hda, &duplex_mixemu);
859 static int hda_audio_init_micro(HDACodecDevice *hda)
861 HDAAudioState *a = HDA_AUDIO(hda);
864 return hda_audio_init(hda, µ_nomixemu);
866 return hda_audio_init(hda, µ_mixemu);
870 static void hda_audio_base_class_init(ObjectClass *klass, void *data)
872 DeviceClass *dc = DEVICE_CLASS(klass);
873 HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
875 k->exit = hda_audio_exit;
876 k->command = hda_audio_command;
877 k->stream = hda_audio_stream;
878 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
879 dc->reset = hda_audio_reset;
880 dc->vmsd = &vmstate_hda_audio;
881 dc->props = hda_audio_properties;
884 static const TypeInfo hda_audio_info = {
885 .name = TYPE_HDA_AUDIO,
886 .parent = TYPE_HDA_CODEC_DEVICE,
887 .class_init = hda_audio_base_class_init,
891 static void hda_audio_output_class_init(ObjectClass *klass, void *data)
893 DeviceClass *dc = DEVICE_CLASS(klass);
894 HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
896 k->init = hda_audio_init_output;
897 dc->desc = "HDA Audio Codec, output-only (line-out)";
900 static const TypeInfo hda_audio_output_info = {
901 .name = "hda-output",
902 .parent = TYPE_HDA_AUDIO,
903 .instance_size = sizeof(HDAAudioState),
904 .class_init = hda_audio_output_class_init,
907 static void hda_audio_duplex_class_init(ObjectClass *klass, void *data)
909 DeviceClass *dc = DEVICE_CLASS(klass);
910 HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
912 k->init = hda_audio_init_duplex;
913 dc->desc = "HDA Audio Codec, duplex (line-out, line-in)";
916 static const TypeInfo hda_audio_duplex_info = {
917 .name = "hda-duplex",
918 .parent = TYPE_HDA_AUDIO,
919 .instance_size = sizeof(HDAAudioState),
920 .class_init = hda_audio_duplex_class_init,
923 static void hda_audio_micro_class_init(ObjectClass *klass, void *data)
925 DeviceClass *dc = DEVICE_CLASS(klass);
926 HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
928 k->init = hda_audio_init_micro;
929 dc->desc = "HDA Audio Codec, duplex (speaker, microphone)";
932 static const TypeInfo hda_audio_micro_info = {
934 .parent = TYPE_HDA_AUDIO,
935 .instance_size = sizeof(HDAAudioState),
936 .class_init = hda_audio_micro_class_init,
939 static void hda_audio_register_types(void)
941 type_register_static(&hda_audio_info);
942 type_register_static(&hda_audio_output_info);
943 type_register_static(&hda_audio_duplex_info);
944 type_register_static(&hda_audio_micro_info);
947 type_init(hda_audio_register_types)