audio: mode selection

This commit is contained in:
Matheus
2026-08-07 08:27:17 -03:00
parent c75b45436a
commit c194569d65
3 changed files with 403 additions and 26 deletions
+24 -1
View File
@@ -19,8 +19,28 @@ typedef struct {
#define AUDIO_STREAM_INFO_FORMAT 4
#define AUDIO_STREAM_INFO_FIFO_FRAMES 5
#define AUDIO_STREAM_INFO_PLAYED_FRAMES 6
#define AUDIO_STREAM_INFO_SUPPORTED_FORMATS 7
#define AUDIO_FORMAT_S16_LE 0x10
#define AUDIO_FORMAT_QUERY 0x00000000
#define AUDIO_FORMAT_MU_LAW 0x00000001
#define AUDIO_FORMAT_A_LAW 0x00000002
#define AUDIO_FORMAT_IMA_ADPCM 0x00000004
#define AUDIO_FORMAT_U8 0x00000008
#define AUDIO_FORMAT_S16_LE 0x00000010
#define AUDIO_FORMAT_S16_BE 0x00000020
#define AUDIO_FORMAT_S8 0x00000040
#define AUDIO_FORMAT_U16_LE 0x00000080
#define AUDIO_FORMAT_U16_BE 0x00000100
#define AUDIO_FORMAT_MPEG 0x00000200
#define AUDIO_FORMAT_AC3 0x00000400
#define AUDIO_FORMAT_VORBIS 0x00000800
#define AUDIO_FORMAT_S32_LE 0x00001000
#define AUDIO_FORMAT_S32_BE 0x00002000
#define AUDIO_FORMAT_FLOAT 0x00004000
#define AUDIO_FORMAT_S24_LE 0x00008000
#define AUDIO_FORMAT_S24_BE 0x00010000
#define AUDIO_FORMAT_SPDIF_RAW 0x00020000
#define AUDIO_FORMAT_S24_PACKED 0x00040000
#define AUDIO_TRIGGER_INPUT 1
#define AUDIO_TRIGGER_OUTPUT 2
@@ -30,6 +50,9 @@ typedef struct {
void (*stop)(audio_stream_t *);
void (*wait_for_playback)(audio_stream_t *);
void (*reset)(audio_stream_t *);
int (*set_format)(audio_stream_t *, int format, int *selected);
int (*set_speed)(audio_stream_t *, int speed, int *selected);
int (*set_channels)(audio_stream_t *, int channels, int *selected);
void (*get_info)(audio_stream_t *, int what, void *buf);
} audio_stream_ops_t;
+51 -7
View File
@@ -7,9 +7,26 @@
static size_t bytes_to_frames(int fmt, int channels, size_t bytes) {
size_t sample_size = 0;
switch (fmt) {
case AUDIO_FORMAT_S8:
case AUDIO_FORMAT_U8:
sample_size = 1;
break;
case AUDIO_FORMAT_S16_BE:
case AUDIO_FORMAT_S16_LE:
case AUDIO_FORMAT_U16_BE:
case AUDIO_FORMAT_U16_LE:
sample_size = 2;
break;
case AUDIO_FORMAT_S24_PACKED:
case AUDIO_FORMAT_S24_BE:
case AUDIO_FORMAT_S24_LE:
sample_size = 3;
break;
case AUDIO_FORMAT_S32_BE:
case AUDIO_FORMAT_S32_LE:
case AUDIO_FORMAT_FLOAT:
sample_size = 4;
break;
}
return bytes / (sample_size * channels);
@@ -238,26 +255,53 @@ static int audio_ioctl(int minor, unsigned long request, void *arg, int *result,
}
case SNDCTL_DSP_SPEED: {
int speed;
stream->ops->get_info(stream, AUDIO_STREAM_INFO_SPEED, &speed);
error = USERCOPY_POSSIBLY_FROM_USER(&speed, arg, sizeof(speed));
if (error)
break;
error = USERCOPY_POSSIBLY_TO_USER(arg, &speed, sizeof(speed));
int selected;
error = stream->ops->set_speed(stream, speed, &selected);
if (error)
break;
error = USERCOPY_POSSIBLY_TO_USER(arg, &selected, sizeof(selected));
break;
}
case SNDCTL_DSP_CHANNELS: {
int channels;
stream->ops->get_info(stream, AUDIO_STREAM_INFO_CHANNELS, &channels);
error = USERCOPY_POSSIBLY_FROM_USER(&channels, arg, sizeof(channels));
if (error)
break;
error = USERCOPY_POSSIBLY_TO_USER(arg, &channels, sizeof(channels));
int selected;
error = stream->ops->set_channels(stream, channels, &selected);
if (error)
break;
error = USERCOPY_POSSIBLY_TO_USER(arg, &selected, sizeof(selected));
break;
}
case SNDCTL_DSP_GETFMTS:
case SNDCTL_DSP_SETFMT: {
case SNDCTL_DSP_GETFMTS: {
int fmt;
stream->ops->get_info(stream, AUDIO_STREAM_INFO_FORMAT, &fmt);
stream->ops->get_info(stream, AUDIO_STREAM_INFO_SUPPORTED_FORMATS, &fmt);
error = USERCOPY_POSSIBLY_TO_USER(arg, &fmt, sizeof(fmt));
break;
}
case SNDCTL_DSP_SETFMT: {
int fmt;
error = USERCOPY_POSSIBLY_FROM_USER(&fmt, arg, sizeof(fmt));
if (error)
break;
int selected;
error = stream->ops->set_format(stream, fmt, &selected);
if (error)
break;
error = USERCOPY_POSSIBLY_TO_USER(arg, &selected, sizeof(selected));
break;
}
case SNDCTL_DSP_SETFRAGMENT: {
int f = ((AUDIO_RINGBUFFER_SIZE / fragment_size) << 16) | log2(fragment_size);
error = USERCOPY_POSSIBLY_TO_USER(arg, &f, sizeof(f));
+328 -18
View File
@@ -9,8 +9,35 @@
#include <kernel/audio.h>
#include <errno.h>
// TODO: support mono format as well
#define HDA_FORMAT_48KHZ_16BIT_STEREO 0x11
#define HDA_FORMAT_CHANNELS_2 1
#define HDA_FORMAT_BASE_44100 (1 << 14)
#define HDA_FORMAT_MULT_2 (1 << 11)
#define HDA_FORMAT_MULT_4 (3 << 11)
#define HDA_FORMAT_DIV_2 (1 << 8)
#define HDA_FORMAT_DIV_3 (2 << 8)
#define HDA_FORMAT_DIV_4 (3 << 8)
#define HDA_FORMAT_DIV_6 (5 << 8)
#define HDA_FORMAT_BITS_32 4
#define HDA_WIDGET_CAPS_STEREO (1 << 0)
#define HDA_WIDGET_CAPS_FORMAT_OVERRIDE (1 << 4)
#define HDA_WIDGET_CAPS_DIGITAL (1 << 8)
#define HDA_PCM_CAPS_B8 (1 << 16)
#define HDA_PCM_CAPS_B16 (1 << 17)
#define HDA_PCM_CAPS_B32 (1 << 20)
#define HDA_PCM_CAPS_RATE_8KHZ (1 << 0)
#define HDA_PCM_CAPS_RATE_11KHZ (1 << 1)
#define HDA_PCM_CAPS_RATE_16KHZ (1 << 2)
#define HDA_PCM_CAPS_RATE_22KHZ (1 << 3)
#define HDA_PCM_CAPS_RATE_32KHZ (1 << 4)
#define HDA_PCM_CAPS_RATE_44KHZ (1 << 5)
#define HDA_PCM_CAPS_RATE_48KHZ (1 << 6)
#define HDA_PCM_CAPS_RATE_88KHZ (1 << 7)
#define HDA_PCM_CAPS_RATE_96KHZ (1 << 8)
#define HDA_PCM_CAPS_RATE_176KHZ (1 << 9)
#define HDA_PCM_CAPS_RATE_192KHZ (1 << 10)
#define HDA_STREAM_FORMAT_PCM (1 << 0)
#define HDA_BUFFER_PAGE_COUNT 2
#define HDA_BUFFER_TOTAL_SIZE (HDA_BUFFER_PAGE_COUNT * PAGE_SIZE)
@@ -136,6 +163,9 @@ typedef struct hda_widget {
size_t connection_count;
hda_widget_t **connections;
uint32_t pin_caps;
uint32_t widget_caps;
uint32_t pcm_caps;
uint32_t stream_formats;
uint32_t input_amp_caps;
uint32_t output_amp_caps;
uint32_t volume_knob_caps;
@@ -147,6 +177,8 @@ typedef struct {
int nid;
size_t widget_count;
size_t starting_node;
uint32_t pcm_caps;
uint32_t stream_formats;
hda_widget_t *widgets;
} hda_fg_t;
@@ -176,6 +208,10 @@ typedef struct {
typedef struct {
audio_stream_t generic;
uint16_t hda_format;
int format;
int speed;
int channels;
hda_t *hda;
volatile hda_sd_t *sd;
void *bdl_phys;
@@ -223,8 +259,39 @@ struct hda_output_path {
hda_t *hda;
int codec;
hda_path_t path;
hda_widget_t *converter;
uint32_t supported_formats;
int default_format;
int default_speed;
int default_channels;
uint16_t hda_format;
bool digital;
};
typedef struct {
int speed;
uint32_t pcm_cap;
uint16_t format;
} hda_rate_t;
static const hda_rate_t hda_rates[] = {
{ 48000, HDA_PCM_CAPS_RATE_48KHZ, 0 },
{ 44100, HDA_PCM_CAPS_RATE_44KHZ, HDA_FORMAT_BASE_44100 },
{ 96000, HDA_PCM_CAPS_RATE_96KHZ, HDA_FORMAT_MULT_2 },
{ 88200, HDA_PCM_CAPS_RATE_88KHZ, HDA_FORMAT_BASE_44100 | HDA_FORMAT_MULT_2 },
{ 192000, HDA_PCM_CAPS_RATE_192KHZ, HDA_FORMAT_MULT_4 },
{ 176400, HDA_PCM_CAPS_RATE_176KHZ, HDA_FORMAT_BASE_44100 | HDA_FORMAT_MULT_4 },
{ 32000, HDA_PCM_CAPS_RATE_32KHZ, HDA_FORMAT_MULT_2 | HDA_FORMAT_DIV_3 },
{ 22050, HDA_PCM_CAPS_RATE_22KHZ, HDA_FORMAT_BASE_44100 | HDA_FORMAT_DIV_2 },
{ 16000, HDA_PCM_CAPS_RATE_16KHZ, HDA_FORMAT_DIV_3 },
{ 11025, HDA_PCM_CAPS_RATE_11KHZ, HDA_FORMAT_BASE_44100 | HDA_FORMAT_DIV_4 },
{ 8000, HDA_PCM_CAPS_RATE_8KHZ, HDA_FORMAT_DIV_6 }
};
static uint32_t hda_set_converter_format(hda_t *hda, uint32_t codec, uint32_t nid, uint16_t format);
static bool hda_format_to_stream_format(hda_widget_t *converter, int format, int speed, int channels, uint16_t *hda_format);
static int hda_default_output_speed(hda_widget_t *converter);
static uint32_t hda_stream_mask(hda_t *hda) {
size_t count = hda->input_stream_count + hda->output_stream_count + hda->bi_stream_count;
return count >= 30 ? 0x3fffffff : ((1u << count) - 1);
@@ -293,7 +360,7 @@ static bool hda_reset_stream(hda_stream_t *stream) {
stream->sd->sts = HDA_SD_STS_BCIS | HDA_SD_STS_FIFOE | HDA_SD_STS_DESE;
stream->sd->cbl = HDA_BUFFER_TOTAL_SIZE;
stream->sd->lvi = HDA_BUFFER_PAGE_COUNT - 1;
stream->sd->fmt = HDA_FORMAT_48KHZ_16BIT_STEREO;
stream->sd->fmt = stream->hda_format;
stream->sd->bdpl = (uint64_t)stream->bdl_phys & 0xffffffff;
stream->sd->bdph = ((uint64_t)stream->bdl_phys >> 32) & 0xffffffff;
stream->sd->ctl[0] = HDA_SD_CTL_BYTE0_IOCE;
@@ -364,36 +431,142 @@ static void stream_get_info(audio_stream_t *p, int what, void *buf) {
*(size_t *)buf = PAGE_SIZE;
break;
case AUDIO_STREAM_INFO_SPEED:
*(int *)buf = 48000;
*(int *)buf = stream->speed;
break;
case AUDIO_STREAM_INFO_CHANNELS:
*(int *)buf = 2;
*(int *)buf = stream->channels;
break;
case AUDIO_STREAM_INFO_FORMAT:
*(int *)buf = AUDIO_FORMAT_S16_LE;
*(int *)buf = stream->format;
break;
case AUDIO_STREAM_INFO_SUPPORTED_FORMATS:
*(int *)buf = stream->owner ? stream->owner->supported_formats : 0;
break;
case AUDIO_STREAM_INFO_FIFO_FRAMES: {
size_t sample_size = 0;
switch (stream->format) {
case AUDIO_FORMAT_U8:
sample_size = 1;
break;
case AUDIO_FORMAT_S16_LE:
sample_size = 2;
break;
case AUDIO_FORMAT_S32_LE:
sample_size = 4;
break;
}
hda_update_playback_position(stream);
uint64_t dma_bytes = stream->generic.bytes_submitted - stream->bytes_played;
if (dma_bytes > HDA_BUFFER_TOTAL_SIZE)
dma_bytes = HDA_BUFFER_TOTAL_SIZE;
*(int *)buf = dma_bytes / 4; // TODO: handle other channel counts and formats here
*(int *)buf = dma_bytes / (sample_size * stream->channels);
break;
}
case AUDIO_STREAM_INFO_PLAYED_FRAMES: {
size_t sample_size = 0;
switch (stream->format) {
case AUDIO_FORMAT_U8:
sample_size = 1;
break;
case AUDIO_FORMAT_S16_LE:
sample_size = 2;
break;
case AUDIO_FORMAT_S32_LE:
sample_size = 4;
break;
}
if (sample_size == 0 || stream->channels <= 0) {
*(uint64_t *)buf = 0;
break;
}
hda_update_playback_position(stream);
*(uint64_t *)buf = stream->bytes_played / 4; // TODO: handle other channel counts and formats here
*(uint64_t *)buf = stream->bytes_played / (sample_size * stream->channels);
break;
}
}
}
static int hda_set_stream_configuration(hda_stream_t *stream, int format, int speed, int channels) {
hda_output_path_t *output_path = stream->owner;
if (output_path == NULL)
return ENODEV;
uint16_t hda_format;
if ((output_path->supported_formats & format) == 0 ||
!hda_format_to_stream_format(output_path->converter, format, speed, channels, &hda_format)) {
return EINVAL;
}
if (stream->generic.playing || RINGBUFFER_DATACOUNT(&stream->generic.ringbuffer)) {
return EBUSY;
}
if (!hda_reset_stream(stream))
return EIO;
stream->sd->fmt = hda_format;
hda_set_converter_format(stream->hda, output_path->codec, output_path->converter->nid, hda_format);
stream->hda_format = hda_format;
stream->format = format;
stream->speed = speed;
stream->channels = channels;
stream->generic.bytes_submitted = 0;
stream->generic.bytes_written = 0;
stream->generic.bytes_played = 0;
return 0;
}
static int stream_set_format(audio_stream_t *p, int format, int *selected) {
hda_stream_t *stream = (hda_stream_t *)p;
*selected = stream->format;
if (format == AUDIO_FORMAT_QUERY) {
return 0;
}
int error = hda_set_stream_configuration(stream, format, stream->speed, stream->channels);
if (error == EINVAL)
return 0;
if (error == 0)
*selected = format;
return error;
}
static int stream_set_speed(audio_stream_t *p, int speed, int *selected) {
hda_stream_t *stream = (hda_stream_t *)p;
*selected = stream->speed;
int error = hda_set_stream_configuration(stream, stream->format, speed, stream->channels);
if (error == EINVAL)
return 0;
if (error == 0)
*selected = speed;
return error;
}
static int stream_set_channels(audio_stream_t *p, int channels, int *selected) {
hda_stream_t *stream = (hda_stream_t *)p;
*selected = stream->channels;
int error = hda_set_stream_configuration(stream, stream->format, stream->speed, channels);
if (error == EINVAL)
return 0;
if (error == 0)
*selected = channels;
return error;
}
static audio_stream_ops_t hda_stream_ops = {
.start = stream_start,
.stop = stream_stop,
.wait_for_playback = stream_wait_for_playback,
.reset = stream_reset,
.get_info = stream_get_info
.get_info = stream_get_info,
.set_format = stream_set_format,
.set_speed = stream_set_speed,
.set_channels = stream_set_channels
};
static hda_stream_t *hda_initialize_output_stream(hda_t *hda, size_t stream_n, size_t tag, bool bi) {
@@ -406,6 +579,10 @@ static hda_stream_t *hda_initialize_output_stream(hda_t *hda, size_t stream_n, s
stream->descriptor_index = stream_n;
stream->tag = tag;
stream->bi = bi;
stream->hda_format = 0;
stream->format = AUDIO_FORMAT_QUERY;
stream->speed = 0;
stream->channels = 0;
stream->bdl_phys = mm_alloc_page(MEMORY_SECTION_DEFAULT);
__assert(stream->bdl_phys);
@@ -421,7 +598,6 @@ static hda_stream_t *hda_initialize_output_stream(hda_t *hda, size_t stream_n, s
bdl[i].flags = HDA_BDL_FLAGS_IOC;
}
__assert(hda_reset_stream(stream));
hda->streams[stream_n] = stream;
return stream;
@@ -682,7 +858,7 @@ static uint32_t hda_set_eapd_btl(hda_t *hda, uint32_t codec, uint32_t nid, bool
}
static uint32_t hda_set_converter_format(hda_t *hda, uint32_t codec, uint32_t nid, uint16_t format) {
return hda_submit_verb_and_wait(hda, codec, nid, 0x2000 | format);
return hda_submit_verb_and_wait(hda, codec, nid, 0x20000 | format);
}
static uint32_t hda_set_converter_stream_channel(hda_t *hda, uint32_t codec, uint32_t nid, uint8_t stream, uint8_t base_channel) {
@@ -716,6 +892,10 @@ static int hda_acquire_output_stream(void *private, bool nonblocking, audio_stre
spinlock_release_lower_ipl(&hda->stream_lock, ipl);
__assert(stream);
stream->hda_format = output_path->hda_format;
stream->format = output_path->default_format;
stream->speed = output_path->default_speed;
stream->channels = output_path->default_channels;
if (!hda_reset_stream(stream)) {
printf("hda: failed to reset allocated stream %lu\n", stream->descriptor_index);
ipl = spinlock_acquire_raise_ipl(&hda->stream_lock, IPL_AUDIO);
@@ -724,8 +904,8 @@ static int hda_acquire_output_stream(void *private, bool nonblocking, audio_stre
return EIO;
}
hda_widget_t *converter = output_path->path.widgets[output_path->path.size - 1];
hda_set_converter_stream_channel(hda, output_path->codec, converter->nid, stream->tag, 0);
hda_set_converter_format(hda, output_path->codec, output_path->converter->nid, output_path->hda_format);
hda_set_converter_stream_channel(hda, output_path->codec, output_path->converter->nid, stream->tag, 0);
ipl = spinlock_acquire_raise_ipl(&hda->stream_lock, IPL_AUDIO);
stream->active = true;
@@ -747,8 +927,7 @@ static void hda_release_output_stream(void *private, audio_stream_t *generic) {
stream->active = false;
spinlock_release_lower_ipl(&hda->stream_lock, ipl);
hda_widget_t *converter = output_path->path.widgets[output_path->path.size - 1];
hda_set_converter_stream_channel(hda, output_path->codec, converter->nid, 0, 0);
hda_set_converter_stream_channel(hda, output_path->codec, output_path->converter->nid, 0, 0);
if (!hda_reset_stream(stream)) {
printf("hda: failed to reset released stream %lu; keeping it unavailable\n", stream->descriptor_index);
@@ -933,6 +1112,106 @@ static bool corb_reset_read_pointer(volatile hda_regs_t *regs, size_t timeoutms)
return true;
}
static bool hda_rate_to_stream_format(hda_widget_t *converter, int speed, uint16_t *rate_format) {
for (size_t i = 0; i < sizeof(hda_rates) / sizeof(hda_rates[0]); ++i) {
if (hda_rates[i].speed != speed)
continue;
if ((converter->pcm_caps & hda_rates[i].pcm_cap) == 0)
return false;
*rate_format = hda_rates[i].format;
return true;
}
return false;
}
static int hda_default_output_speed(hda_widget_t *converter) {
if ((converter->stream_formats & HDA_STREAM_FORMAT_PCM) == 0)
return 0;
for (size_t i = 0; i < sizeof(hda_rates) / sizeof(hda_rates[0]); ++i) {
if (converter->pcm_caps & hda_rates[i].pcm_cap)
return hda_rates[i].speed;
}
return 0;
}
static bool hda_converter_supports_format(hda_widget_t *converter, int format) {
uint32_t pcm_cap;
switch (format) {
case AUDIO_FORMAT_U8:
pcm_cap = HDA_PCM_CAPS_B8;
break;
case AUDIO_FORMAT_S16_LE:
pcm_cap = HDA_PCM_CAPS_B16;
break;
case AUDIO_FORMAT_S32_LE:
pcm_cap = HDA_PCM_CAPS_B32;
break;
default:
return false;
}
return (converter->stream_formats & HDA_STREAM_FORMAT_PCM) != 0 &&
(converter->pcm_caps & pcm_cap) != 0;
}
static bool hda_format_to_stream_format(hda_widget_t *converter, int format, int speed, int channels, uint16_t *hda_format) {
uint16_t bits;
uint16_t rate_format;
switch (format) {
case AUDIO_FORMAT_U8:
bits = 0;
break;
case AUDIO_FORMAT_S16_LE:
bits = 1;
break;
case AUDIO_FORMAT_S32_LE:
bits = HDA_FORMAT_BITS_32;
break;
default:
return false;
}
if (!hda_converter_supports_format(converter, format) ||
!hda_rate_to_stream_format(converter, speed, &rate_format) ||
channels < 1 || channels > 2 ||
(channels == 2 && (converter->widget_caps & HDA_WIDGET_CAPS_STEREO) == 0))
return false;
*hda_format = rate_format | (bits << 4);
if (channels == 2)
*hda_format |= HDA_FORMAT_CHANNELS_2;
return true;
}
static uint32_t hda_supported_output_formats(hda_widget_t *converter) {
uint32_t supported_formats = 0;
if (hda_converter_supports_format(converter, AUDIO_FORMAT_U8))
supported_formats |= AUDIO_FORMAT_U8;
if (hda_converter_supports_format(converter, AUDIO_FORMAT_S16_LE))
supported_formats |= AUDIO_FORMAT_S16_LE;
if (hda_converter_supports_format(converter, AUDIO_FORMAT_S32_LE))
supported_formats |= AUDIO_FORMAT_S32_LE;
return supported_formats;
}
static int hda_default_output_format(uint32_t supported_formats) {
if (supported_formats & AUDIO_FORMAT_S16_LE)
return AUDIO_FORMAT_S16_LE;
if (supported_formats & AUDIO_FORMAT_S32_LE)
return AUDIO_FORMAT_S32_LE;
if (supported_formats & AUDIO_FORMAT_U8)
return AUDIO_FORMAT_U8;
return AUDIO_FORMAT_QUERY;
}
static void init_function_group(hda_t *hda, int codec, hda_fg_t *function_group) {
function_group->type = hda_get_parameter(hda, codec, function_group->nid, HDA_PARAM_FUNCTION_GROUP_TYPE) & 0xff;
if (function_group->type != HDA_FUNCTION_GROUP_TYPE_AFG)
@@ -941,6 +1220,8 @@ static void init_function_group(hda_t *hda, int codec, hda_fg_t *function_group)
uint32_t res = hda_get_parameter(hda, codec, function_group->nid, HDA_PARAM_SUB_NODE_COUNT);
function_group->widget_count = res & 0xff;
function_group->starting_node = (res >> 16) & 0xff;
function_group->pcm_caps = hda_get_parameter(hda, codec, function_group->nid, HDA_PARAM_PCM);
function_group->stream_formats = hda_get_parameter(hda, codec, function_group->nid, HDA_PARAM_STREAM_FORMATS);
printf("hda: codec %d audio function group %lu has %lu widgets starting at %lu\n", codec, function_group->nid, function_group->widget_count, function_group->starting_node);
@@ -952,7 +1233,15 @@ static void init_function_group(hda_t *hda, int codec, hda_fg_t *function_group)
widget->nid = function_group->starting_node + i;
res = hda_get_parameter(hda, codec, widget->nid, HDA_PARAM_AUDIO_WIDGET_CAPS);
widget->widget_caps = res;
widget->type = (res >> 20) & 0xf;
if (res & HDA_WIDGET_CAPS_FORMAT_OVERRIDE) {
widget->pcm_caps = hda_get_parameter(hda, codec, widget->nid, HDA_PARAM_PCM);
widget->stream_formats = hda_get_parameter(hda, codec, widget->nid, HDA_PARAM_STREAM_FORMATS);
} else {
widget->pcm_caps = function_group->pcm_caps;
widget->stream_formats = function_group->stream_formats;
}
widget->pin_caps = hda_get_parameter(hda, codec, widget->nid, HDA_PARAM_PIN_CAPS);
widget->input_amp_caps = hda_get_parameter(hda, codec, widget->nid, HDA_PARAM_INPUT_AMP_CAPS);
widget->output_amp_caps = hda_get_parameter(hda, codec, widget->nid, HDA_PARAM_OUTPUT_AMP_CAPS);
@@ -983,16 +1272,37 @@ static void init_function_group(hda_t *hda, int codec, hda_fg_t *function_group)
}
printf("\n");
hda_initialize_path(hda, codec, function_group, path, true);
hda_widget_t *converter = path.widgets[path.size - 1];
hda_set_converter_format(hda, codec, converter->nid, HDA_FORMAT_48KHZ_16BIT_STEREO);
uint32_t supported_formats = hda_supported_output_formats(converter);
int default_speed = hda_default_output_speed(converter);
int default_channels = (converter->widget_caps & HDA_WIDGET_CAPS_STEREO) ? 2 : 1;
int default_format = hda_default_output_format(supported_formats);
if (default_format == AUDIO_FORMAT_QUERY || default_speed == 0) {
printf("hda: output converter %d has no supported native PCM rate/format.\n", converter->nid);
continue;
}
uint16_t hda_format;
__assert(hda_format_to_stream_format(converter, default_format, default_speed, default_channels, &hda_format));
bool digital = (converter->widget_caps & HDA_WIDGET_CAPS_DIGITAL) != 0;
printf("hda: output converter %d is %s\n", converter->nid, digital ? "digital" : "analog");
hda_initialize_path(hda, codec, function_group, path, true);
hda_set_converter_format(hda, codec, converter->nid, hda_format);
hda_output_path_t *output_path = alloc(sizeof(hda_output_path_t));
__assert(output_path);
output_path->hda = hda;
output_path->codec = codec;
output_path->path = path;
output_path->converter = converter;
output_path->supported_formats = supported_formats;
output_path->default_format = default_format;
output_path->default_speed = default_speed;
output_path->default_channels = default_channels;
output_path->hda_format = hda_format;
output_path->digital = digital;
__assert(audio_register_device(&hda_audio_device_ops, output_path) == 0);
}
}