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qemu-e2k/hw/hda-audio.c
Gerd Hoffmann 129dcd2c66 hda-audio: exit cleanup 
Add exit callback to the driver.  Unregister the sound card properly
on exit.

[ v2: codestyle: add braces ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: malc <av1474@comtv.ru>
2010-11-09 16:51:12 +03:00

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/*
* Copyright (C) 2010 Red Hat, Inc.
*
* written by Gerd Hoffmann <kraxel@redhat.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 or
* (at your option) version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw.h"
#include "pci.h"
#include "intel-hda.h"
#include "intel-hda-defs.h"
#include "audio/audio.h"
/* -------------------------------------------------------------------------- */
typedef struct desc_param {
uint32_t id;
uint32_t val;
} desc_param;
typedef struct desc_node {
uint32_t nid;
const char *name;
const desc_param *params;
uint32_t nparams;
uint32_t config;
uint32_t pinctl;
uint32_t *conn;
uint32_t stindex;
} desc_node;
typedef struct desc_codec {
const char *name;
uint32_t iid;
const desc_node *nodes;
uint32_t nnodes;
} desc_codec;
static const desc_param* hda_codec_find_param(const desc_node *node, uint32_t id)
{
int i;
for (i = 0; i < node->nparams; i++) {
if (node->params[i].id == id) {
return &node->params[i];
}
}
return NULL;
}
static const desc_node* hda_codec_find_node(const desc_codec *codec, uint32_t nid)
{
int i;
for (i = 0; i < codec->nnodes; i++) {
if (codec->nodes[i].nid == nid) {
return &codec->nodes[i];
}
}
return NULL;
}
static void hda_codec_parse_fmt(uint32_t format, struct audsettings *as)
{
if (format & AC_FMT_TYPE_NON_PCM) {
return;
}
as->freq = (format & AC_FMT_BASE_44K) ? 44100 : 48000;
switch ((format & AC_FMT_MULT_MASK) >> AC_FMT_MULT_SHIFT) {
case 1: as->freq *= 2; break;
case 2: as->freq *= 3; break;
case 3: as->freq *= 4; break;
}
switch ((format & AC_FMT_DIV_MASK) >> AC_FMT_DIV_SHIFT) {
case 1: as->freq /= 2; break;
case 2: as->freq /= 3; break;
case 3: as->freq /= 4; break;
case 4: as->freq /= 5; break;
case 5: as->freq /= 6; break;
case 6: as->freq /= 7; break;
case 7: as->freq /= 8; break;
}
switch (format & AC_FMT_BITS_MASK) {
case AC_FMT_BITS_8: as->fmt = AUD_FMT_S8; break;
case AC_FMT_BITS_16: as->fmt = AUD_FMT_S16; break;
case AC_FMT_BITS_32: as->fmt = AUD_FMT_S32; break;
}
as->nchannels = ((format & AC_FMT_CHAN_MASK) >> AC_FMT_CHAN_SHIFT) + 1;
}
/* -------------------------------------------------------------------------- */
/*
* HDA codec descriptions
*/
/* some defines */
#define QEMU_HDA_ID_VENDOR 0x1af4
#define QEMU_HDA_ID_OUTPUT ((QEMU_HDA_ID_VENDOR << 16) | 0x10)
#define QEMU_HDA_ID_DUPLEX ((QEMU_HDA_ID_VENDOR << 16) | 0x20)
#define QEMU_HDA_PCM_FORMATS (AC_SUPPCM_BITS_16 | \
0x1fc /* 16 -> 96 kHz */)
#define QEMU_HDA_AMP_NONE (0)
#define QEMU_HDA_AMP_STEPS 0x4a
#ifdef CONFIG_MIXEMU
#define QEMU_HDA_AMP_CAPS \
(AC_AMPCAP_MUTE | \
(QEMU_HDA_AMP_STEPS << AC_AMPCAP_OFFSET_SHIFT) | \
(QEMU_HDA_AMP_STEPS << AC_AMPCAP_NUM_STEPS_SHIFT) | \
(3 << AC_AMPCAP_STEP_SIZE_SHIFT))
#else
#define QEMU_HDA_AMP_CAPS QEMU_HDA_AMP_NONE
#endif
/* common: audio output widget */
static const desc_param common_params_audio_dac[] = {
{
.id = AC_PAR_AUDIO_WIDGET_CAP,
.val = ((AC_WID_AUD_OUT << AC_WCAP_TYPE_SHIFT) |
AC_WCAP_FORMAT_OVRD |
AC_WCAP_AMP_OVRD |
AC_WCAP_OUT_AMP |
AC_WCAP_STEREO),
},{
.id = AC_PAR_PCM,
.val = QEMU_HDA_PCM_FORMATS,
},{
.id = AC_PAR_STREAM,
.val = AC_SUPFMT_PCM,
},{
.id = AC_PAR_AMP_IN_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_AMP_OUT_CAP,
.val = QEMU_HDA_AMP_CAPS,
},
};
/* common: pin widget (line-out) */
static const desc_param common_params_audio_lineout[] = {
{
.id = AC_PAR_AUDIO_WIDGET_CAP,
.val = ((AC_WID_PIN << AC_WCAP_TYPE_SHIFT) |
AC_WCAP_CONN_LIST |
AC_WCAP_STEREO),
},{
.id = AC_PAR_PIN_CAP,
.val = AC_PINCAP_OUT,
},{
.id = AC_PAR_CONNLIST_LEN,
.val = 1,
},{
.id = AC_PAR_AMP_IN_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_AMP_OUT_CAP,
.val = QEMU_HDA_AMP_NONE,
},
};
/* output: root node */
static const desc_param output_params_root[] = {
{
.id = AC_PAR_VENDOR_ID,
.val = QEMU_HDA_ID_OUTPUT,
},{
.id = AC_PAR_SUBSYSTEM_ID,
.val = QEMU_HDA_ID_OUTPUT,
},{
.id = AC_PAR_REV_ID,
.val = 0x00100101,
},{
.id = AC_PAR_NODE_COUNT,
.val = 0x00010001,
},
};
/* output: audio function */
static const desc_param output_params_audio_func[] = {
{
.id = AC_PAR_FUNCTION_TYPE,
.val = AC_GRP_AUDIO_FUNCTION,
},{
.id = AC_PAR_SUBSYSTEM_ID,
.val = QEMU_HDA_ID_OUTPUT,
},{
.id = AC_PAR_NODE_COUNT,
.val = 0x00020002,
},{
.id = AC_PAR_PCM,
.val = QEMU_HDA_PCM_FORMATS,
},{
.id = AC_PAR_STREAM,
.val = AC_SUPFMT_PCM,
},{
.id = AC_PAR_AMP_IN_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_AMP_OUT_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_GPIO_CAP,
.val = 0,
},{
.id = AC_PAR_AUDIO_FG_CAP,
.val = 0x00000808,
},{
.id = AC_PAR_POWER_STATE,
.val = 0,
},
};
/* output: nodes */
static const desc_node output_nodes[] = {
{
.nid = AC_NODE_ROOT,
.name = "root",
.params = output_params_root,
.nparams = ARRAY_SIZE(output_params_root),
},{
.nid = 1,
.name = "func",
.params = output_params_audio_func,
.nparams = ARRAY_SIZE(output_params_audio_func),
},{
.nid = 2,
.name = "dac",
.params = common_params_audio_dac,
.nparams = ARRAY_SIZE(common_params_audio_dac),
.stindex = 0,
},{
.nid = 3,
.name = "out",
.params = common_params_audio_lineout,
.nparams = ARRAY_SIZE(common_params_audio_lineout),
.config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
(AC_JACK_LINE_OUT << AC_DEFCFG_DEVICE_SHIFT) |
(AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
(AC_JACK_COLOR_GREEN << AC_DEFCFG_COLOR_SHIFT) |
0x10),
.pinctl = AC_PINCTL_OUT_EN,
.conn = (uint32_t[]) { 2 },
}
};
/* output: codec */
static const desc_codec output = {
.name = "output",
.iid = QEMU_HDA_ID_OUTPUT,
.nodes = output_nodes,
.nnodes = ARRAY_SIZE(output_nodes),
};
/* duplex: root node */
static const desc_param duplex_params_root[] = {
{
.id = AC_PAR_VENDOR_ID,
.val = QEMU_HDA_ID_DUPLEX,
},{
.id = AC_PAR_SUBSYSTEM_ID,
.val = QEMU_HDA_ID_DUPLEX,
},{
.id = AC_PAR_REV_ID,
.val = 0x00100101,
},{
.id = AC_PAR_NODE_COUNT,
.val = 0x00010001,
},
};
/* duplex: audio input widget */
static const desc_param duplex_params_audio_adc[] = {
{
.id = AC_PAR_AUDIO_WIDGET_CAP,
.val = ((AC_WID_AUD_IN << AC_WCAP_TYPE_SHIFT) |
AC_WCAP_CONN_LIST |
AC_WCAP_FORMAT_OVRD |
AC_WCAP_AMP_OVRD |
AC_WCAP_IN_AMP |
AC_WCAP_STEREO),
},{
.id = AC_PAR_CONNLIST_LEN,
.val = 1,
},{
.id = AC_PAR_PCM,
.val = QEMU_HDA_PCM_FORMATS,
},{
.id = AC_PAR_STREAM,
.val = AC_SUPFMT_PCM,
},{
.id = AC_PAR_AMP_IN_CAP,
.val = QEMU_HDA_AMP_CAPS,
},{
.id = AC_PAR_AMP_OUT_CAP,
.val = QEMU_HDA_AMP_NONE,
},
};
/* duplex: pin widget (line-in) */
static const desc_param duplex_params_audio_linein[] = {
{
.id = AC_PAR_AUDIO_WIDGET_CAP,
.val = ((AC_WID_PIN << AC_WCAP_TYPE_SHIFT) |
AC_WCAP_STEREO),
},{
.id = AC_PAR_PIN_CAP,
.val = AC_PINCAP_IN,
},{
.id = AC_PAR_AMP_IN_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_AMP_OUT_CAP,
.val = QEMU_HDA_AMP_NONE,
},
};
/* duplex: audio function */
static const desc_param duplex_params_audio_func[] = {
{
.id = AC_PAR_FUNCTION_TYPE,
.val = AC_GRP_AUDIO_FUNCTION,
},{
.id = AC_PAR_SUBSYSTEM_ID,
.val = QEMU_HDA_ID_DUPLEX,
},{
.id = AC_PAR_NODE_COUNT,
.val = 0x00020004,
},{
.id = AC_PAR_PCM,
.val = QEMU_HDA_PCM_FORMATS,
},{
.id = AC_PAR_STREAM,
.val = AC_SUPFMT_PCM,
},{
.id = AC_PAR_AMP_IN_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_AMP_OUT_CAP,
.val = QEMU_HDA_AMP_NONE,
},{
.id = AC_PAR_GPIO_CAP,
.val = 0,
},{
.id = AC_PAR_AUDIO_FG_CAP,
.val = 0x00000808,
},{
.id = AC_PAR_POWER_STATE,
.val = 0,
},
};
/* duplex: nodes */
static const desc_node duplex_nodes[] = {
{
.nid = AC_NODE_ROOT,
.name = "root",
.params = duplex_params_root,
.nparams = ARRAY_SIZE(duplex_params_root),
},{
.nid = 1,
.name = "func",
.params = duplex_params_audio_func,
.nparams = ARRAY_SIZE(duplex_params_audio_func),
},{
.nid = 2,
.name = "dac",
.params = common_params_audio_dac,
.nparams = ARRAY_SIZE(common_params_audio_dac),
.stindex = 0,
},{
.nid = 3,
.name = "out",
.params = common_params_audio_lineout,
.nparams = ARRAY_SIZE(common_params_audio_lineout),
.config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
(AC_JACK_LINE_OUT << AC_DEFCFG_DEVICE_SHIFT) |
(AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
(AC_JACK_COLOR_GREEN << AC_DEFCFG_COLOR_SHIFT) |
0x10),
.pinctl = AC_PINCTL_OUT_EN,
.conn = (uint32_t[]) { 2 },
},{
.nid = 4,
.name = "adc",
.params = duplex_params_audio_adc,
.nparams = ARRAY_SIZE(duplex_params_audio_adc),
.stindex = 1,
.conn = (uint32_t[]) { 5 },
},{
.nid = 5,
.name = "in",
.params = duplex_params_audio_linein,
.nparams = ARRAY_SIZE(duplex_params_audio_linein),
.config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
(AC_JACK_LINE_IN << AC_DEFCFG_DEVICE_SHIFT) |
(AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
(AC_JACK_COLOR_RED << AC_DEFCFG_COLOR_SHIFT) |
0x20),
.pinctl = AC_PINCTL_IN_EN,
}
};
/* duplex: codec */
static const desc_codec duplex = {
.name = "duplex",
.iid = QEMU_HDA_ID_DUPLEX,
.nodes = duplex_nodes,
.nnodes = ARRAY_SIZE(duplex_nodes),
};
/* -------------------------------------------------------------------------- */
static const char *fmt2name[] = {
[ AUD_FMT_U8 ] = "PCM-U8",
[ AUD_FMT_S8 ] = "PCM-S8",
[ AUD_FMT_U16 ] = "PCM-U16",
[ AUD_FMT_S16 ] = "PCM-S16",
[ AUD_FMT_U32 ] = "PCM-U32",
[ AUD_FMT_S32 ] = "PCM-S32",
};
typedef struct HDAAudioState HDAAudioState;
typedef struct HDAAudioStream HDAAudioStream;
struct HDAAudioStream {
HDAAudioState *state;
const desc_node *node;
bool output, running;
uint32_t stream;
uint32_t channel;
uint32_t format;
uint32_t gain_left, gain_right;
bool mute_left, mute_right;
struct audsettings as;
union {
SWVoiceIn *in;
SWVoiceOut *out;
} voice;
uint8_t buf[HDA_BUFFER_SIZE];
uint32_t bpos;
};
struct HDAAudioState {
HDACodecDevice hda;
const char *name;
QEMUSoundCard card;
const desc_codec *desc;
HDAAudioStream st[4];
bool running[16];
/* properties */
uint32_t debug;
};
static void hda_audio_input_cb(void *opaque, int avail)
{
HDAAudioStream *st = opaque;
int recv = 0;
int len;
bool rc;
while (avail - recv >= sizeof(st->buf)) {
if (st->bpos != sizeof(st->buf)) {
len = AUD_read(st->voice.in, st->buf + st->bpos,
sizeof(st->buf) - st->bpos);
st->bpos += len;
recv += len;
if (st->bpos != sizeof(st->buf)) {
break;
}
}
rc = hda_codec_xfer(&st->state->hda, st->stream, false,
st->buf, sizeof(st->buf));
if (!rc) {
break;
}
st->bpos = 0;
}
}
static void hda_audio_output_cb(void *opaque, int avail)
{
HDAAudioStream *st = opaque;
int sent = 0;
int len;
bool rc;
while (avail - sent >= sizeof(st->buf)) {
if (st->bpos == sizeof(st->buf)) {
rc = hda_codec_xfer(&st->state->hda, st->stream, true,
st->buf, sizeof(st->buf));
if (!rc) {
break;
}
st->bpos = 0;
}
len = AUD_write(st->voice.out, st->buf + st->bpos,
sizeof(st->buf) - st->bpos);
st->bpos += len;
sent += len;
if (st->bpos != sizeof(st->buf)) {
break;
}
}
}
static void hda_audio_set_running(HDAAudioStream *st, bool running)
{
if (st->node == NULL) {
return;
}
if (st->running == running) {
return;
}
st->running = running;
dprint(st->state, 1, "%s: %s (stream %d)\n", st->node->name,
st->running ? "on" : "off", st->stream);
if (st->output) {
AUD_set_active_out(st->voice.out, st->running);
} else {
AUD_set_active_in(st->voice.in, st->running);
}
}
static void hda_audio_set_amp(HDAAudioStream *st)
{
bool muted;
uint32_t left, right;
if (st->node == NULL) {
return;
}
muted = st->mute_left && st->mute_right;
left = st->mute_left ? 0 : st->gain_left;
right = st->mute_right ? 0 : st->gain_right;
left = left * 255 / QEMU_HDA_AMP_STEPS;
right = right * 255 / QEMU_HDA_AMP_STEPS;
if (st->output) {
AUD_set_volume_out(st->voice.out, muted, left, right);
} else {
AUD_set_volume_in(st->voice.in, muted, left, right);
}
}
static void hda_audio_setup(HDAAudioStream *st)
{
if (st->node == NULL) {
return;
}
dprint(st->state, 1, "%s: format: %d x %s @ %d Hz\n",
st->node->name, st->as.nchannels,
fmt2name[st->as.fmt], st->as.freq);
if (st->output) {
st->voice.out = AUD_open_out(&st->state->card, st->voice.out,
st->node->name, st,
hda_audio_output_cb, &st->as);
} else {
st->voice.in = AUD_open_in(&st->state->card, st->voice.in,
st->node->name, st,
hda_audio_input_cb, &st->as);
}
}
static void hda_audio_command(HDACodecDevice *hda, uint32_t nid, uint32_t data)
{
HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
HDAAudioStream *st;
const desc_node *node = NULL;
const desc_param *param;
uint32_t verb, payload, response, count, shift;
if ((data & 0x70000) == 0x70000) {
/* 12/8 id/payload */
verb = (data >> 8) & 0xfff;
payload = data & 0x00ff;
} else {
/* 4/16 id/payload */
verb = (data >> 8) & 0xf00;
payload = data & 0xffff;
}
node = hda_codec_find_node(a->desc, nid);
if (node == NULL) {
goto fail;
}
dprint(a, 2, "%s: nid %d (%s), verb 0x%x, payload 0x%x\n",
__FUNCTION__, nid, node->name, verb, payload);
switch (verb) {
/* all nodes */
case AC_VERB_PARAMETERS:
param = hda_codec_find_param(node, payload);
if (param == NULL) {
goto fail;
}
hda_codec_response(hda, true, param->val);
break;
case AC_VERB_GET_SUBSYSTEM_ID:
hda_codec_response(hda, true, a->desc->iid);
break;
/* all functions */
case AC_VERB_GET_CONNECT_LIST:
param = hda_codec_find_param(node, AC_PAR_CONNLIST_LEN);
count = param ? param->val : 0;
response = 0;
shift = 0;
while (payload < count && shift < 32) {
response |= node->conn[payload] << shift;
payload++;
shift += 8;
}
hda_codec_response(hda, true, response);
break;
/* pin widget */
case AC_VERB_GET_CONFIG_DEFAULT:
hda_codec_response(hda, true, node->config);
break;
case AC_VERB_GET_PIN_WIDGET_CONTROL:
hda_codec_response(hda, true, node->pinctl);
break;
case AC_VERB_SET_PIN_WIDGET_CONTROL:
if (node->pinctl != payload) {
dprint(a, 1, "unhandled pin control bit\n");
}
hda_codec_response(hda, true, 0);
break;
/* audio in/out widget */
case AC_VERB_SET_CHANNEL_STREAMID:
st = a->st + node->stindex;
if (st->node == NULL) {
goto fail;
}
hda_audio_set_running(st, false);
st->stream = (payload >> 4) & 0x0f;
st->channel = payload & 0x0f;
dprint(a, 2, "%s: stream %d, channel %d\n",
st->node->name, st->stream, st->channel);
hda_audio_set_running(st, a->running[st->stream]);
hda_codec_response(hda, true, 0);
break;
case AC_VERB_GET_CONV:
st = a->st + node->stindex;
if (st->node == NULL) {
goto fail;
}
response = st->stream << 4 | st->channel;
hda_codec_response(hda, true, response);
break;
case AC_VERB_SET_STREAM_FORMAT:
st = a->st + node->stindex;
if (st->node == NULL) {
goto fail;
}
st->format = payload;
hda_codec_parse_fmt(st->format, &st->as);
hda_audio_setup(st);
hda_codec_response(hda, true, 0);
break;
case AC_VERB_GET_STREAM_FORMAT:
st = a->st + node->stindex;
if (st->node == NULL) {
goto fail;
}
hda_codec_response(hda, true, st->format);
break;
case AC_VERB_GET_AMP_GAIN_MUTE:
st = a->st + node->stindex;
if (st->node == NULL) {
goto fail;
}
if (payload & AC_AMP_GET_LEFT) {
response = st->gain_left | (st->mute_left ? AC_AMP_MUTE : 0);
} else {
response = st->gain_right | (st->mute_right ? AC_AMP_MUTE : 0);
}
hda_codec_response(hda, true, response);
break;
case AC_VERB_SET_AMP_GAIN_MUTE:
st = a->st + node->stindex;
if (st->node == NULL) {
goto fail;
}
dprint(a, 1, "amp (%s): %s%s%s%s index %d gain %3d %s\n",
st->node->name,
(payload & AC_AMP_SET_OUTPUT) ? "o" : "-",
(payload & AC_AMP_SET_INPUT) ? "i" : "-",
(payload & AC_AMP_SET_LEFT) ? "l" : "-",
(payload & AC_AMP_SET_RIGHT) ? "r" : "-",
(payload & AC_AMP_SET_INDEX) >> AC_AMP_SET_INDEX_SHIFT,
(payload & AC_AMP_GAIN),
(payload & AC_AMP_MUTE) ? "muted" : "");
if (payload & AC_AMP_SET_LEFT) {
st->gain_left = payload & AC_AMP_GAIN;
st->mute_left = payload & AC_AMP_MUTE;
}
if (payload & AC_AMP_SET_RIGHT) {
st->gain_right = payload & AC_AMP_GAIN;
st->mute_right = payload & AC_AMP_MUTE;
}
hda_audio_set_amp(st);
hda_codec_response(hda, true, 0);
break;
/* not supported */
case AC_VERB_SET_POWER_STATE:
case AC_VERB_GET_POWER_STATE:
case AC_VERB_GET_SDI_SELECT:
hda_codec_response(hda, true, 0);
break;
default:
goto fail;
}
return;
fail:
dprint(a, 1, "%s: not handled: nid %d (%s), verb 0x%x, payload 0x%x\n",
__FUNCTION__, nid, node ? node->name : "?", verb, payload);
hda_codec_response(hda, true, 0);
}
static void hda_audio_stream(HDACodecDevice *hda, uint32_t stnr, bool running)
{
HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
int s;
a->running[stnr] = running;
for (s = 0; s < ARRAY_SIZE(a->st); s++) {
if (a->st[s].node == NULL) {
continue;
}
if (a->st[s].stream != stnr) {
continue;
}
hda_audio_set_running(&a->st[s], running);
}
}
static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
{
HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
HDAAudioStream *st;
const desc_node *node;
const desc_param *param;
uint32_t i, type;
a->desc = desc;
a->name = a->hda.qdev.info->name;
dprint(a, 1, "%s: cad %d\n", __FUNCTION__, a->hda.cad);
AUD_register_card("hda", &a->card);
for (i = 0; i < a->desc->nnodes; i++) {
node = a->desc->nodes + i;
param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
if (NULL == param)
continue;
type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
switch (type) {
case AC_WID_AUD_OUT:
case AC_WID_AUD_IN:
assert(node->stindex < ARRAY_SIZE(a->st));
st = a->st + node->stindex;
st->state = a;
st->node = node;
if (type == AC_WID_AUD_OUT) {
/* unmute output by default */
st->gain_left = QEMU_HDA_AMP_STEPS;
st->gain_right = QEMU_HDA_AMP_STEPS;
st->bpos = sizeof(st->buf);
st->output = true;
} else {
st->output = false;
}
st->format = AC_FMT_TYPE_PCM | AC_FMT_BITS_16 |
(1 << AC_FMT_CHAN_SHIFT);
hda_codec_parse_fmt(st->format, &st->as);
hda_audio_setup(st);
break;
}
}
return 0;
}
static int hda_audio_exit(HDACodecDevice *hda)
{
HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
HDAAudioStream *st;
int i;
dprint(a, 1, "%s\n", __FUNCTION__);
for (i = 0; i < ARRAY_SIZE(a->st); i++) {
st = a->st + i;
if (st->node == NULL) {
continue;
}
if (st->output) {
AUD_close_out(&a->card, st->voice.out);
} else {
AUD_close_in(&a->card, st->voice.in);
}
}
AUD_remove_card(&a->card);
return 0;
}
static int hda_audio_post_load(void *opaque, int version)
{
HDAAudioState *a = opaque;
HDAAudioStream *st;
int i;
dprint(a, 1, "%s\n", __FUNCTION__);
for (i = 0; i < ARRAY_SIZE(a->st); i++) {
st = a->st + i;
if (st->node == NULL)
continue;
hda_codec_parse_fmt(st->format, &st->as);
hda_audio_setup(st);
hda_audio_set_amp(st);
hda_audio_set_running(st, a->running[st->stream]);
}
return 0;
}
static const VMStateDescription vmstate_hda_audio_stream = {
.name = "hda-audio-stream",
.version_id = 1,
.fields = (VMStateField []) {
VMSTATE_UINT32(stream, HDAAudioStream),
VMSTATE_UINT32(channel, HDAAudioStream),
VMSTATE_UINT32(format, HDAAudioStream),
VMSTATE_UINT32(gain_left, HDAAudioStream),
VMSTATE_UINT32(gain_right, HDAAudioStream),
VMSTATE_BOOL(mute_left, HDAAudioStream),
VMSTATE_BOOL(mute_right, HDAAudioStream),
VMSTATE_UINT32(bpos, HDAAudioStream),
VMSTATE_BUFFER(buf, HDAAudioStream),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_hda_audio = {
.name = "hda-audio",
.version_id = 1,
.post_load = hda_audio_post_load,
.fields = (VMStateField []) {
VMSTATE_STRUCT_ARRAY(st, HDAAudioState, 4, 0,
vmstate_hda_audio_stream,
HDAAudioStream),
VMSTATE_BOOL_ARRAY(running, HDAAudioState, 16),
VMSTATE_END_OF_LIST()
}
};
static Property hda_audio_properties[] = {
DEFINE_PROP_UINT32("debug", HDAAudioState, debug, 0),
DEFINE_PROP_END_OF_LIST(),
};
static int hda_audio_init_output(HDACodecDevice *hda)
{
return hda_audio_init(hda, &output);
}
static int hda_audio_init_duplex(HDACodecDevice *hda)
{
return hda_audio_init(hda, &duplex);
}
static HDACodecDeviceInfo hda_audio_info_output = {
.qdev.name = "hda-output",
.qdev.desc = "HDA Audio Codec, output-only",
.qdev.size = sizeof(HDAAudioState),
.qdev.vmsd = &vmstate_hda_audio,
.qdev.props = hda_audio_properties,
.init = hda_audio_init_output,
.exit = hda_audio_exit,
.command = hda_audio_command,
.stream = hda_audio_stream,
};
static HDACodecDeviceInfo hda_audio_info_duplex = {
.qdev.name = "hda-duplex",
.qdev.desc = "HDA Audio Codec, duplex",
.qdev.size = sizeof(HDAAudioState),
.qdev.vmsd = &vmstate_hda_audio,
.qdev.props = hda_audio_properties,
.init = hda_audio_init_duplex,
.exit = hda_audio_exit,
.command = hda_audio_command,
.stream = hda_audio_stream,
};
static void hda_audio_register(void)
{
hda_codec_register(&hda_audio_info_output);
hda_codec_register(&hda_audio_info_duplex);
}
device_init(hda_audio_register);
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