mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-04 13:30:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

topology: implement snd_tplg_decode

Browse source 
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-15 15:24:57 +01:00
parent 0ba4d6d9c0
commit b6c9afb4f5
11 changed files with 1730 additions and 142 deletions
Download patch file Download diff file Expand all files Collapse all files

12
include/topology.h
View file

@ -885,7 +885,10 @@ struct snd_tplg_ctl_template {
const char *name; /*!< Control name */ const char *name; /*!< Control name */
int access; /*!< Control access */ int access; /*!< Control access */
struct snd_tplg_io_ops_template ops; /*!< operations */ struct snd_tplg_io_ops_template ops; /*!< operations */
union {
struct snd_tplg_tlv_template *tlv; /*!< non NULL means we have TLV data */ struct snd_tplg_tlv_template *tlv; /*!< non NULL means we have TLV data */
struct snd_tplg_tlv_dbscale_template *tlv_scale; /*!< scale TLV data */
};
}; };
/** \struct snd_tplg_mixer_template /** \struct snd_tplg_mixer_template
@ -1155,6 +1158,15 @@ int snd_tplg_set_version(snd_tplg_t *tplg, unsigned int version);
*/ */
int snd_tplg_save(snd_tplg_t *tplg, char **dst, int flags); int snd_tplg_save(snd_tplg_t *tplg, char **dst, int flags);
/**
* \brief Decode the binary topology contents.
* \param tplg Topology instance.
* \param bin Binary topology input buffer.
* \param size Binary topology input buffer size.
* \return Zero on success, otherwise a negative error code
*/
int snd_tplg_decode(snd_tplg_t *tplg, void *bin, size_t size, int dflags);
/* \} */ /* \} */
#ifdef __cplusplus #ifdef __cplusplus

3
src/topology/Makefile.am
View file

@ -28,7 +28,8 @@ libatopology_la_SOURCES =\
channel.c \ channel.c \
ops.c \ ops.c \
elem.c \ elem.c \
save.c save.c \
decoder.c
noinst_HEADERS = tplg_local.h noinst_HEADERS = tplg_local.h

440
src/topology/ctl.c
View file

@ -621,8 +621,9 @@ int tplg_parse_control_enum(snd_tplg_t *tplg, snd_config_t *cfg,
tplg->channel_idx = 0; tplg->channel_idx = 0;
/* set channel reg to default state */ /* set channel reg to default state */
for (j = 0; j < SND_SOC_TPLG_MAX_CHAN; j++) for (j = 0; j < SND_SOC_TPLG_MAX_CHAN; j++) {
ec->channel[j].reg = -1; ec->channel[j].reg = -1;
}
tplg_dbg(" Control Enum: %s\n", elem->id); tplg_dbg(" Control Enum: %s\n", elem->id);
@ -896,9 +897,14 @@ int tplg_save_control_mixer(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
return err; return err;
} }
static int init_ctl_hdr(struct snd_soc_tplg_ctl_hdr *hdr, static int init_ctl_hdr(snd_tplg_t *tplg,
struct tplg_elem *parent,
struct snd_soc_tplg_ctl_hdr *hdr,
struct snd_tplg_ctl_template *t) struct snd_tplg_ctl_template *t)
{ {
struct tplg_elem *elem;
int err;
hdr->size = sizeof(struct snd_soc_tplg_ctl_hdr); hdr->size = sizeof(struct snd_soc_tplg_ctl_hdr);
hdr->type = t->type; hdr->type = t->type;
@ -924,7 +930,7 @@ static int init_ctl_hdr(struct snd_soc_tplg_ctl_hdr *hdr,
&& !(hdr->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { && !(hdr->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
struct snd_tplg_tlv_template *tlvt = t->tlv; struct snd_tplg_tlv_template *tlvt = t->tlv;
struct snd_soc_tplg_ctl_tlv *tlv = &hdr->tlv; struct snd_soc_tplg_ctl_tlv *tlv;
struct snd_tplg_tlv_dbscale_template *scalet; struct snd_tplg_tlv_dbscale_template *scalet;
struct snd_soc_tplg_tlv_dbscale *scale; struct snd_soc_tplg_tlv_dbscale *scale;
@ -933,6 +939,17 @@ static int init_ctl_hdr(struct snd_soc_tplg_ctl_hdr *hdr,
return -EINVAL; return -EINVAL;
} }
elem = tplg_elem_new_common(tplg, NULL, parent->id,
SND_TPLG_TYPE_TLV);
if (!elem)
return -ENOMEM;
tlv = elem->tlv;
err = tplg_ref_add(parent, SND_TPLG_TYPE_TLV, parent->id);
if (err < 0)
return err;
tlv->size = sizeof(struct snd_soc_tplg_ctl_tlv); tlv->size = sizeof(struct snd_soc_tplg_ctl_tlv);
tlv->type = tlvt->type; tlv->type = tlvt->type;
@ -959,8 +976,8 @@ static int init_ctl_hdr(struct snd_soc_tplg_ctl_hdr *hdr,
int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer, int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer,
struct tplg_elem **e) struct tplg_elem **e)
{ {
struct snd_soc_tplg_private *priv = mixer->priv;
struct snd_soc_tplg_mixer_control *mc; struct snd_soc_tplg_mixer_control *mc;
struct snd_soc_tplg_private *priv;
struct tplg_elem *elem; struct tplg_elem *elem;
int ret, i, num_channels; int ret, i, num_channels;
@ -979,7 +996,7 @@ int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer,
/* init new mixer */ /* init new mixer */
mc = elem->mixer_ctrl; mc = elem->mixer_ctrl;
mc->size = elem->size; mc->size = elem->size;
ret = init_ctl_hdr(&mc->hdr, &mixer->hdr); ret = init_ctl_hdr(tplg, elem, &mc->hdr, &mixer->hdr);
if (ret < 0) { if (ret < 0) {
tplg_elem_free(elem); tplg_elem_free(elem);
return ret; return ret;
@ -1000,24 +1017,19 @@ int tplg_add_mixer(snd_tplg_t *tplg, struct snd_tplg_mixer_template *mixer,
for (i = 0; i < num_channels; i++) { for (i = 0; i < num_channels; i++) {
struct snd_tplg_channel_elem *channel = &mixer->map->channel[i]; struct snd_tplg_channel_elem *channel = &mixer->map->channel[i];
mc->channel[i].size = channel->size; mc->channel[i].size = sizeof(mc->channel[0]);
mc->channel[i].reg = channel->reg; mc->channel[i].reg = channel->reg;
mc->channel[i].shift = channel->shift; mc->channel[i].shift = channel->shift;
mc->channel[i].id = channel->id; mc->channel[i].id = channel->id;
} }
/* priv data */ /* priv data */
if (priv) { priv = mixer->priv;
mc = realloc(mc, elem->size + priv->size); if (priv && priv->size > 0) {
if (!mc) { ret = tplg_add_data(tplg, elem, priv,
tplg_elem_free(elem); sizeof(*priv) + priv->size);
return -ENOMEM; if (ret < 0)
} return ret;
elem->mixer_ctrl = mc;
elem->size += priv->size;
mc->priv.size = priv->size;
memcpy(mc->priv.data, priv->data, priv->size);
} }
if (e) if (e)
@ -1029,8 +1041,9 @@ int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl,
struct tplg_elem **e) struct tplg_elem **e)
{ {
struct snd_soc_tplg_enum_control *ec; struct snd_soc_tplg_enum_control *ec;
struct snd_soc_tplg_private *priv;
struct tplg_elem *elem; struct tplg_elem *elem;
int ret, i, num_items; int ret, i, num_items, num_channels;
tplg_dbg(" Control Enum: %s\n", enum_ctl->hdr.name); tplg_dbg(" Control Enum: %s\n", enum_ctl->hdr.name);
@ -1046,7 +1059,7 @@ int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl,
ec = elem->enum_ctrl; ec = elem->enum_ctrl;
ec->size = elem->size; ec->size = elem->size;
ret = init_ctl_hdr(&ec->hdr, &enum_ctl->hdr); ret = init_ctl_hdr(tplg, elem, &ec->hdr, &enum_ctl->hdr);
if (ret < 0) { if (ret < 0) {
tplg_elem_free(elem); tplg_elem_free(elem);
return ret; return ret;
@ -1058,6 +1071,22 @@ int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl,
ec->mask = enum_ctl->mask; ec->mask = enum_ctl->mask;
ec->count = enum_ctl->items; ec->count = enum_ctl->items;
/* set channel reg to default state */
for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++)
ec->channel[i].reg = -1;
num_channels = enum_ctl->map ? enum_ctl->map->num_channels : 0;
ec->num_channels = num_channels;
for (i = 0; i < num_channels; i++) {
struct snd_tplg_channel_elem *channel = &enum_ctl->map->channel[i];
ec->channel[i].size = sizeof(ec->channel[0]);
ec->channel[i].reg = channel->reg;
ec->channel[i].shift = channel->shift;
ec->channel[i].id = channel->id;
}
if (enum_ctl->texts != NULL) { if (enum_ctl->texts != NULL) {
for (i = 0; i < num_items; i++) { for (i = 0; i < num_items; i++) {
if (enum_ctl->texts[i] != NULL) if (enum_ctl->texts[i] != NULL)
@ -1077,21 +1106,13 @@ int tplg_add_enum(snd_tplg_t *tplg, struct snd_tplg_enum_template *enum_ctl,
} }
} }
if (enum_ctl->priv != NULL) { /* priv data */
ec = realloc(ec, priv = enum_ctl->priv;
elem->size + enum_ctl->priv->size); if (priv && priv->size > 0) {
if (!ec) { ret = tplg_add_data(tplg, elem, priv,
tplg_elem_free(elem); sizeof(*priv) + priv->size);
return -ENOMEM; if (ret < 0)
} return ret;
elem->enum_ctrl = ec;
elem->size += enum_ctl->priv->size;
memcpy(ec->priv.data, enum_ctl->priv->data,
enum_ctl->priv->size);
ec->priv.size = enum_ctl->priv->size;
} }
if (e) if (e)
@ -1103,6 +1124,7 @@ int tplg_add_bytes(snd_tplg_t *tplg, struct snd_tplg_bytes_template *bytes_ctl,
struct tplg_elem **e) struct tplg_elem **e)
{ {
struct snd_soc_tplg_bytes_control *be; struct snd_soc_tplg_bytes_control *be;
struct snd_soc_tplg_private *priv;
struct tplg_elem *elem; struct tplg_elem *elem;
int ret; int ret;
@ -1120,7 +1142,7 @@ int tplg_add_bytes(snd_tplg_t *tplg, struct snd_tplg_bytes_template *bytes_ctl,
be = elem->bytes_ext; be = elem->bytes_ext;
be->size = elem->size; be->size = elem->size;
ret = init_ctl_hdr(&be->hdr, &bytes_ctl->hdr); ret = init_ctl_hdr(tplg, elem, &be->hdr, &bytes_ctl->hdr);
if (ret < 0) { if (ret < 0) {
tplg_elem_free(elem); tplg_elem_free(elem);
return ret; return ret;
@ -1133,20 +1155,13 @@ int tplg_add_bytes(snd_tplg_t *tplg, struct snd_tplg_bytes_template *bytes_ctl,
be->ext_ops.put = bytes_ctl->ext_ops.put; be->ext_ops.put = bytes_ctl->ext_ops.put;
be->ext_ops.get = bytes_ctl->ext_ops.get; be->ext_ops.get = bytes_ctl->ext_ops.get;
if (bytes_ctl->priv != NULL) { /* priv data */
be = realloc(be, priv = bytes_ctl->priv;
elem->size + bytes_ctl->priv->size); if (priv && priv->size > 0) {
if (!be) { ret = tplg_add_data(tplg, elem, priv,
tplg_elem_free(elem); sizeof(*priv) + priv->size);
return -ENOMEM; if (ret < 0)
} return ret;
elem->bytes_ext = be;
elem->size += bytes_ctl->priv->size;
memcpy(be->priv.data, bytes_ctl->priv->data,
bytes_ctl->priv->size);
be->priv.size = bytes_ctl->priv->size;
} }
/* check on TLV bytes control */ /* check on TLV bytes control */
@ -1184,3 +1199,330 @@ int tplg_add_bytes_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
{ {
return tplg_add_bytes(tplg, t->bytes_ctl, NULL); return tplg_add_bytes(tplg, t->bytes_ctl, NULL);
} }
int tplg_decode_control_mixer1(snd_tplg_t *tplg,
struct list_head *heap,
struct snd_tplg_mixer_template *mt,
size_t pos,
void *bin, size_t size)
{
struct snd_soc_tplg_mixer_control *mc = bin;
struct snd_tplg_channel_map_template *map;
struct snd_tplg_tlv_dbscale_template *db;
int i;
if (size < sizeof(*mc)) {
SNDERR("mixer: small size %d", size);
return -EINVAL;
}
tplg_dv(tplg, pos, "mixer: size %d TLV size %d private size %d",
mc->size, mc->hdr.tlv.size, mc->priv.size);
if (size != mc->size + mc->priv.size) {
SNDERR("mixer: unexpected element size %d", size);
return -EINVAL;
}
memset(mt, 0, sizeof(*mt));
mt->hdr.type = mc->hdr.type;
mt->hdr.name = mc->hdr.name;
mt->hdr.access = mc->hdr.access;
mt->hdr.ops.get = mc->hdr.ops.get;
mt->hdr.ops.put = mc->hdr.ops.put;
mt->hdr.ops.info = mc->hdr.ops.info;
mt->min = mc->min;
mt->max = mc->max;
mt->platform_max = mc->platform_max;
tplg_dv(tplg, pos, "mixer: name '%s' access 0x%x",
mt->hdr.name, mt->hdr.access);
if (mc->num_channels > 0) {
map = tplg_calloc(heap, sizeof(*map));
map->num_channels = mc->num_channels;
for (i = 0; i < map->num_channels; i++) {
map->channel[i].reg = mc->channel[i].reg;
map->channel[i].shift = mc->channel[i].shift;
map->channel[i].id = mc->channel[i].id;
}
mt->map = map;
}
if (mc->hdr.tlv.size == 0) {
/* nothing */
} else if (mc->hdr.tlv.size == sizeof(struct snd_soc_tplg_ctl_tlv)) {
if (mc->hdr.tlv.type != SNDRV_CTL_TLVT_DB_SCALE) {
SNDERR("mixer: unknown TLV type %d",
mc->hdr.tlv.type);
return -EINVAL;
}
db = tplg_calloc(heap, sizeof(*db));
if (db == NULL)
return -ENOMEM;
mt->hdr.tlv_scale = db;
db->hdr.type = mc->hdr.tlv.type;
db->min = mc->hdr.tlv.scale.min;
db->step = mc->hdr.tlv.scale.step;
db->mute = mc->hdr.tlv.scale.mute;
tplg_dv(tplg, pos, "mixer: dB scale TLV: min %d step %d mute %d",
db->min, db->step, db->mute);
} else {
SNDERR("mixer: wrong TLV size %d", mc->hdr.tlv.size);
return -EINVAL;
}
mt->priv = &mc->priv;
tplg_dv(tplg, pos + offsetof(struct snd_soc_tplg_mixer_control, priv),
"mixer: private start");
return 0;
}
int tplg_decode_control_mixer(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct list_head heap;
snd_tplg_obj_template_t t;
struct snd_tplg_mixer_template mt;
struct snd_soc_tplg_mixer_control *mc;
size_t size2;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
next:
if (size < sizeof(*mc)) {
SNDERR("mixer: small size %d", size);
return -EINVAL;
}
INIT_LIST_HEAD(&heap);
mc = bin;
size2 = mc->size + mc->priv.size;
if (size2 > size) {
SNDERR("mixer: wrong element size (%d, priv %d)",
mc->size, mc->priv.size);
return -EINVAL;
}
err = tplg_decode_control_mixer1(tplg, &heap, &mt, pos, bin, size2);
if (err >= 0) {
t.mixer = &mt;
err = snd_tplg_add_object(tplg, &t);
}
tplg_free(&heap);
if (err < 0)
return err;
bin += size2;
size -= size2;
pos += size2;
if (size > 0)
goto next;
return 0;
}
int tplg_decode_control_enum1(snd_tplg_t *tplg,
struct list_head *heap,
struct snd_tplg_enum_template *et,
size_t pos,
void *bin, size_t size)
{
struct snd_soc_tplg_enum_control *ec = bin;
struct snd_tplg_channel_map_template cmt;
int i;
if (size < sizeof(*ec)) {
SNDERR("enum: small size %d", size);
return -EINVAL;
}
tplg_dv(tplg, pos, "enum: size %d private size %d",
ec->size, ec->priv.size);
if (size != ec->size + ec->priv.size) {
SNDERR("enum: unexpected element size %d", size);
return -EINVAL;
}
if (ec->num_channels > SND_TPLG_MAX_CHAN ||
ec->num_channels > SND_SOC_TPLG_MAX_CHAN) {
SNDERR("enum: unexpected channel count %d", ec->num_channels);
return -EINVAL;
}
if (ec->items > SND_SOC_TPLG_NUM_TEXTS) {
SNDERR("enum: unexpected texts count %d", ec->items);
return -EINVAL;
}
memset(et, 0, sizeof(*et));
et->hdr.type = ec->hdr.type;
et->hdr.name = ec->hdr.name;
et->hdr.access = ec->hdr.access;
et->hdr.ops.get = ec->hdr.ops.get;
et->hdr.ops.put = ec->hdr.ops.put;
et->hdr.ops.info = ec->hdr.ops.info;
et->mask = ec->mask;
if (ec->items > 0) {
et->items = ec->items;
et->texts = tplg_calloc(heap, sizeof(char *) * ec->items);
if (!et->texts)
return -ENOMEM;
for (i = 0; ec->items; i++) {
unsigned int j = i * sizeof(int) * ENUM_VAL_SIZE;
et->texts[i] = ec->texts[i];
et->values[i] = (int *)&ec->values[j];
}
}
et->map = &cmt;
memset(&cmt, 0, sizeof(cmt));
cmt.num_channels = ec->num_channels;
for (i = 0; i < cmt.num_channels; i++) {
struct snd_tplg_channel_elem *channel = &cmt.channel[i];
tplg_dv(tplg, pos + ((void *)&ec->channel[i] - (void *)ec),
"enum: channel size %d", ec->channel[i].size);
channel->reg = ec->channel[i].reg;
channel->shift = ec->channel[i].shift;
channel->id = ec->channel[i].id;
}
et->priv = &ec->priv;
return 0;
}
int tplg_decode_control_enum(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct list_head heap;
snd_tplg_obj_template_t t;
struct snd_tplg_enum_template et;
struct snd_soc_tplg_enum_control *ec;
size_t size2;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
next:
if (size < sizeof(*ec)) {
SNDERR("enum: small size %d", size);
return -EINVAL;
}
INIT_LIST_HEAD(&heap);
ec = bin;
size2 = ec->size + ec->priv.size;
if (size2 > size) {
SNDERR("enum: wrong element size (%d, priv %d)",
ec->size, ec->priv.size);
return -EINVAL;
}
err = tplg_decode_control_enum1(tplg, &heap, &et, pos, bin, size);
if (err >= 0) {
t.enum_ctl = &et;
err = snd_tplg_add_object(tplg, &t);
}
tplg_free(&heap);
if (err < 0)
return err;
bin += size2;
size -= size2;
pos += size2;
if (size > 0)
goto next;
return 0;
}
int tplg_decode_control_bytes1(snd_tplg_t *tplg,
struct snd_tplg_bytes_template *bt,
size_t pos,
void *bin, size_t size)
{
struct snd_soc_tplg_bytes_control *bc = bin;
if (size < sizeof(*bc)) {
SNDERR("bytes: small size %d", size);
return -EINVAL;
}
tplg_dv(tplg, pos, "control bytes: size %d private size %d",
bc->size, bc->priv.size);
if (size != bc->size + bc->priv.size) {
SNDERR("bytes: unexpected element size %d", size);
return -EINVAL;
}
memset(bt, 0, sizeof(*bt));
bt->hdr.type = bc->hdr.type;
bt->hdr.name = bc->hdr.name;
bt->hdr.access = bc->hdr.access;
bt->hdr.ops.get = bc->hdr.ops.get;
bt->hdr.ops.put = bc->hdr.ops.put;
bt->hdr.ops.info = bc->hdr.ops.info;
bt->max = bc->max;
bt->mask = bc->mask;
bt->base = bc->base;
bt->num_regs = bc->num_regs;
bt->ext_ops.get = bc->ext_ops.get;
bt->ext_ops.put = bc->ext_ops.put;
bt->ext_ops.info = bc->ext_ops.info;
tplg_dv(tplg, pos, "control bytes: name '%s' access 0x%x",
bt->hdr.name, bt->hdr.access);
bt->priv = &bc->priv;
return 0;
}
int tplg_decode_control_bytes(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
snd_tplg_obj_template_t t;
struct snd_tplg_bytes_template bt;
struct snd_soc_tplg_bytes_control *bc;
size_t size2;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
next:
if (size < sizeof(*bc)) {
SNDERR("bytes: small size %d", size);
return -EINVAL;
}
bc = bin;
size2 = bc->size + bc->priv.size;
if (size2 > size) {
SNDERR("bytes: wrong element size (%d, priv %d)",
bc->size, bc->priv.size);
return -EINVAL;
}
err = tplg_decode_control_bytes1(tplg, &bt, pos, bin, size);
if (err < 0)
return err;
t.bytes_ctl = &bt;
err = snd_tplg_add_object(tplg, &t);
if (err < 0)
return err;
bin += size2;
size -= size2;
pos += size2;
if (size > 0)
goto next;
return 0;
}

253
src/topology/dapm.c
View file

@ -420,19 +420,39 @@ int tplg_save_dapm_graph(snd_tplg_t *tplg, int index, char **dst, const char *pf
struct snd_soc_tplg_dapm_graph_elem *route; struct snd_soc_tplg_dapm_graph_elem *route;
struct list_head *pos; struct list_head *pos;
struct tplg_elem *elem; struct tplg_elem *elem;
int err, first = 1, old_index = -1; int err, first, old_index;
unsigned block = -1, count = 0; unsigned block, count;
const char *fmt;
old_index = -1;
block = 0;
count = 0;
list_for_each(pos, &tplg->route_list) { list_for_each(pos, &tplg->route_list) {
elem = list_entry(pos, struct tplg_elem, list); elem = list_entry(pos, struct tplg_elem, list);
if (!elem->route || elem->type != SND_TPLG_TYPE_DAPM_GRAPH) if (!elem->route || elem->type != SND_TPLG_TYPE_DAPM_GRAPH)
continue; continue;
if (index >= 0 && elem->index != index) if (index >= 0 && elem->index != index)
continue; continue;
if (old_index != elem->index) {
block++;
old_index = elem->index;
}
count++; count++;
} }
if (count == 0) if (count == 0)
return 0; return 0;
if (block < 10) {
fmt = "\tset%u {\n";
} else if (block < 100) {
fmt = "\tset%02u {\n";
} else if (block < 1000) {
fmt = "\tset%03u {\n";
} else {
return -EINVAL;
}
old_index = -1;
block = -1;
first = 1;
err = tplg_save_printf(dst, pfx, "SectionGraph {\n"); err = tplg_save_printf(dst, pfx, "SectionGraph {\n");
list_for_each(pos, &tplg->route_list) { list_for_each(pos, &tplg->route_list) {
elem = list_entry(pos, struct tplg_elem, list); elem = list_entry(pos, struct tplg_elem, list);
@ -452,7 +472,7 @@ int tplg_save_dapm_graph(snd_tplg_t *tplg, int index, char **dst, const char *pf
old_index = elem->index; old_index = elem->index;
block++; block++;
first = 1; first = 1;
err = tplg_save_printf(dst, pfx, "\tset%u {\n", block); err = tplg_save_printf(dst, pfx, fmt, block);
if (err >= 0) if (err >= 0)
err = tplg_save_printf(dst, pfx, "\t\tindex %u\n", err = tplg_save_printf(dst, pfx, "\t\tindex %u\n",
elem->index); elem->index);
@ -771,20 +791,14 @@ int tplg_add_widget_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
w->event_flags = wt->event_flags; w->event_flags = wt->event_flags;
w->event_type = wt->event_type; w->event_type = wt->event_type;
if (wt->priv != NULL) { /* add private data */
w = realloc(w, if (wt->priv != NULL && wt->priv->size > 0) {
elem->size + wt->priv->size); ret = tplg_add_data(tplg, elem, wt->priv,
if (!w) { sizeof(*wt->priv) + wt->priv->size);
if (ret < 0) {
tplg_elem_free(elem); tplg_elem_free(elem);
return -ENOMEM; return ret;
} }
elem->widget = w;
elem->size += wt->priv->size;
memcpy(w->priv.data, wt->priv->data,
wt->priv->size);
w->priv.size = wt->priv->size;
} }
/* add controls to the widget's reference list */ /* add controls to the widget's reference list */
@ -836,3 +850,212 @@ int tplg_add_widget_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
return 0; return 0;
} }
/* decode dapm widget from the binary input */
int tplg_decode_dapm_widget(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct list_head heap;
struct snd_soc_tplg_dapm_widget *w;
snd_tplg_obj_template_t t;
struct snd_tplg_widget_template *wt;
struct snd_tplg_mixer_template *mt;
struct snd_tplg_enum_template *et;
struct snd_tplg_bytes_template *bt;
struct snd_soc_tplg_ctl_hdr *chdr;
struct snd_soc_tplg_mixer_control *mc;
struct snd_soc_tplg_enum_control *ec;
struct snd_soc_tplg_bytes_control *bc;
size_t size2;
unsigned int index;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
next:
INIT_LIST_HEAD(&heap);
w = bin;
if (size < sizeof(*w)) {
SNDERR("dapm widget: small size %d", size);
return -EINVAL;
}
if (sizeof(*w) != w->size) {
SNDERR("dapm widget: unknown element size %d (expected %zd)",
w->size, sizeof(*w));
return -EINVAL;
}
if (w->num_kcontrols > 16) {
SNDERR("dapm widget: too many kcontrols %d",
w->num_kcontrols);
return -EINVAL;
}
tplg_dv(tplg, pos, "dapm widget: size %d private size %d kcontrols %d",
w->size, w->priv.size, w->num_kcontrols);
wt = tplg_calloc(&heap, sizeof(*wt) + sizeof(void *) * w->num_kcontrols);
if (wt == NULL)
return -ENOMEM;
wt->id = w->id;
wt->name = w->name;
wt->sname = w->sname;
wt->reg = w->reg;
wt->shift = w->shift;
wt->mask = w->mask;
wt->subseq = w->subseq;
wt->invert = w->invert;
wt->ignore_suspend = w->ignore_suspend;
wt->event_flags = w->event_flags;
wt->event_type = w->event_type;
tplg_dv(tplg, pos, "dapm widget: name '%s' sname '%s'", wt->name, wt->sname);
if (sizeof(*w) + w->priv.size > size) {
SNDERR("dapm widget: wrong private data size %d",
w->priv.size);
return -EINVAL;
}
tplg_dv(tplg, pos + offsetof(struct snd_soc_tplg_dapm_widget, priv),
"dapm widget: private start");
wt->priv = &w->priv;
bin += sizeof(*w) + w->priv.size;
size -= sizeof(*w) + w->priv.size;
pos += sizeof(*w) + w->priv.size;
for (index = 0; index < w->num_kcontrols; index++) {
chdr = bin;
switch (chdr->type) {
case SND_SOC_TPLG_TYPE_MIXER:
mt = tplg_calloc(&heap, sizeof(*mt));
if (mt == NULL) {
err = -ENOMEM;
goto retval;
}
wt->ctl[index] = (void *)mt;
wt->num_ctls++;
mc = bin;
size2 = mc->size + mc->priv.size;
tplg_dv(tplg, pos, "kcontrol mixer size %zd", size2);
if (size2 > size) {
SNDERR("dapm widget: small mixer size %d",
size2);
err = -EINVAL;
goto retval;
}
err = tplg_decode_control_mixer1(tplg, &heap, mt, pos,
bin, size2);
break;
case SND_SOC_TPLG_TYPE_ENUM:
et = tplg_calloc(&heap, sizeof(*mt));
if (et == NULL) {
err = -ENOMEM;
goto retval;
}
wt->ctl[index] = (void *)et;
wt->num_ctls++;
ec = bin;
size2 = ec->size + ec->priv.size;
tplg_dv(tplg, pos, "kcontrol enum size %zd", size2);
if (size2 > size) {
SNDERR("dapm widget: small enum size %d",
size2);
err = -EINVAL;
goto retval;
}
err = tplg_decode_control_enum1(tplg, &heap, et, pos,
bin, size2);
break;
case SND_SOC_TPLG_TYPE_BYTES:
bt = tplg_calloc(&heap, sizeof(*bt));
if (bt == NULL) {
err = -ENOMEM;
goto retval;
}
wt->ctl[index] = (void *)bt;
wt->num_ctls++;
bc = bin;
size2 = bc->size + bc->priv.size;
tplg_dv(tplg, pos, "kcontrol bytes size %zd", size2);
if (size2 > size) {
SNDERR("dapm widget: small bytes size %d",
size2);
err = -EINVAL;
goto retval;
}
err = tplg_decode_control_bytes1(tplg, bt, pos,
bin, size2);
break;
default:
SNDERR("dapm widget: wrong control type %d",
chdr->type);
err = -EINVAL;
goto retval;
}
if (err < 0)
goto retval;
bin += size2;
size -= size2;
pos += size2;
}
t.widget = wt;
err = snd_tplg_add_object(tplg, &t);
tplg_free(&heap);
if (err < 0)
return err;
if (size > 0)
goto next;
return 0;
retval:
tplg_free(&heap);
return err;
}
/* decode dapm link from the binary input */
int tplg_decode_dapm_graph(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct snd_soc_tplg_dapm_graph_elem *g;
snd_tplg_obj_template_t t;
struct snd_tplg_graph_template *gt;
struct snd_tplg_graph_elem *ge;
size_t asize;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
asize = sizeof(*gt) + (size / sizeof(*g)) * sizeof(*ge);
gt = alloca(asize);
memset(gt, 0, asize);
for (ge = gt->elem; size > 0; ge++) {
g = bin;
if (size < sizeof(*g)) {
SNDERR("dapm graph: small size %d", size);
return -EINVAL;
}
ge->src = g->source;
ge->ctl = g->control;
ge->sink = g->sink;
gt->count++;
tplg_dv(tplg, pos, "dapm graph: src='%s' ctl='%s' sink='%s'",
ge->src, ge->ctl, ge->sink);
bin += sizeof(*g);
size -= sizeof(*g);
pos += sizeof(*g);
}
t.graph = gt;
return snd_tplg_add_object(tplg, &t);
}

440
src/topology/data.c
View file

@ -566,7 +566,7 @@ static bool has_tuples(struct tplg_elem *elem)
} }
/* get size of a tuple element from its type */ /* get size of a tuple element from its type */
static unsigned int get_tuple_size(int type) unsigned int tplg_get_tuple_size(int type)
{ {
switch (type) { switch (type) {
@ -602,7 +602,7 @@ static int copy_tuples(struct tplg_elem *elem,
for (i = 0; i < tuples->num_sets ; i++) { for (i = 0; i < tuples->num_sets ; i++) {
tuple_set = tuples->set[i]; tuple_set = tuples->set[i];
set_size = sizeof(struct snd_soc_tplg_vendor_array) set_size = sizeof(struct snd_soc_tplg_vendor_array)
+ get_tuple_size(tuple_set->type) + tplg_get_tuple_size(tuple_set->type)
* tuple_set->num_tuples; * tuple_set->num_tuples;
size += set_size; size += set_size;
if (size > TPLG_MAX_PRIV_SIZE) { if (size > TPLG_MAX_PRIV_SIZE) {
@ -1250,6 +1250,9 @@ int tplg_save_manifest_data(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
continue; continue;
count++; count++;
} }
if (count == 0)
return tplg_save_printf(dst, NULL,
"'%s'.comment 'empty'\n", elem->id);
if (count > 1) { if (count > 1) {
err = tplg_save_printf(dst, NULL, "'%s'.data [\n", elem->id); err = tplg_save_printf(dst, NULL, "'%s'.data [\n", elem->id);
if (err < 0) if (err < 0)
@ -1557,3 +1560,436 @@ int tplg_build_data(snd_tplg_t *tplg)
return 0; return 0;
} }
/* decode manifest data */
int tplg_decode_manifest_data(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct snd_soc_tplg_manifest *m = bin;
struct tplg_elem *elem;
size_t off;
if (hdr->index != 0) {
SNDERR("manifest - wrong index %d", hdr->index);
return -EINVAL;
}
if (sizeof(*m) > size) {
SNDERR("manifest - wrong size %zd (minimal %zd)",
size, sizeof(*m));
return -EINVAL;
}
if (m->size != sizeof(*m)) {
SNDERR("manifest - wrong sructure size %d", m->size);
return -EINVAL;
}
off = offsetof(struct snd_soc_tplg_manifest, priv);
if (off + m->priv.size > size) {
SNDERR("manifest - wrong private size %d", m->priv.size);
return -EINVAL;
}
tplg->manifest = *m;
bin += off;
size -= off;
pos += off;
elem = tplg_elem_new_common(tplg, NULL, "manifest",
SND_TPLG_TYPE_MANIFEST);
if (!elem)
return -ENOMEM;
tplg_dv(tplg, pos, "manifest: private size %d", size);
return tplg_add_data(tplg, elem, bin, size);
}
int tplg_add_token(snd_tplg_t *tplg, struct tplg_elem *parent,
unsigned int token,
char str_ref[SNDRV_CTL_ELEM_ID_NAME_MAXLEN])
{
struct tplg_elem *elem;
struct tplg_token *t;
struct tplg_vendor_tokens *tokens;
unsigned int i;
size_t size;
elem = tplg_elem_lookup(&tplg->token_list, parent->id,
SND_TPLG_TYPE_TOKEN, parent->index);
if (elem == NULL) {
elem = tplg_elem_new_common(tplg, NULL, parent->id,
SND_TPLG_TYPE_TOKEN);
if (!elem)
return -ENOMEM;
}
tokens = elem->tokens;
if (tokens) {
for (i = 0; i < tokens->num_tokens; i++) {
t = &tokens->token[i];
if (t->value == token)
goto found;
}
size = sizeof(*tokens) +
(tokens->num_tokens + 1) * sizeof(struct tplg_token);
tokens = realloc(tokens, size);
} else {
size = sizeof(*tokens) + 1 * sizeof(struct tplg_token);
tokens = calloc(1, size);
}
if (!tokens)
return -ENOMEM;
memset(&tokens->token[tokens->num_tokens], 0, sizeof(struct tplg_token));
elem->tokens = tokens;
t = &tokens->token[tokens->num_tokens];
tokens->num_tokens++;
snprintf(t->id, sizeof(t->id), "token%u", token);
t->value = token;
found:
snd_strlcpy(str_ref, t->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
return 0;
}
static int tplg_verify_tuple_set(snd_tplg_t *tplg, size_t pos,
const void *bin, size_t size)
{
const struct snd_soc_tplg_vendor_array *va;
unsigned int j;
va = bin;
if (size < sizeof(*va) || size < va->size) {
tplg_dv(tplg, pos, "tuple set verify: wrong size %d", size);
return -EINVAL;
}
switch (va->type) {
case SND_SOC_TPLG_TUPLE_TYPE_UUID:
case SND_SOC_TPLG_TUPLE_TYPE_STRING:
case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
case SND_SOC_TPLG_TUPLE_TYPE_WORD:
case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
break;
default:
tplg_dv(tplg, pos, "tuple set verify: unknown array type %d", va->type);
return -EINVAL;
}
j = tplg_get_tuple_size(va->type) * va->num_elems;
if (j + sizeof(*va) != va->size) {
tplg_dv(tplg, pos, "tuple set verify: wrong vendor array size %d "
"(expected %d for %d count %d)",
va->size, j + sizeof(*va), va->type, va->num_elems);
return -EINVAL;
}
if (va->num_elems > 4096) {
tplg_dv(tplg, pos, "tuple set verify: tuples overflow %d", va->num_elems);
return -EINVAL;
}
return 0;
}
static int tplg_decode_tuple_set(snd_tplg_t *tplg,
size_t pos,
struct tplg_elem *parent,
struct tplg_tuple_set **_set,
const void *bin, size_t size)
{
const struct snd_soc_tplg_vendor_array *va;
struct tplg_tuple_set *set;
struct tplg_tuple *tuple;
unsigned int j;
int err;
va = bin;
if (size < sizeof(*va) || size < va->size) {
SNDERR("tuples: wrong size %d", size);
return -EINVAL;
}
switch (va->type) {
case SND_SOC_TPLG_TUPLE_TYPE_UUID:
case SND_SOC_TPLG_TUPLE_TYPE_STRING:
case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
case SND_SOC_TPLG_TUPLE_TYPE_WORD:
case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
break;
default:
SNDERR("tuples: unknown array type %d", va->type);
return -EINVAL;
}
j = tplg_get_tuple_size(va->type) * va->num_elems;
if (j + sizeof(*va) != va->size) {
SNDERR("tuples: wrong vendor array size %d "
"(expected %d for %d count %d)",
va->size, j + sizeof(*va), va->type, va->num_elems);
return -EINVAL;
}
if (va->num_elems > 4096) {
SNDERR("tuples: tuples overflow %d", va->num_elems);
return -EINVAL;
}
set = calloc(1, sizeof(*set) + va->num_elems * sizeof(struct tplg_tuple));
if (!set)
return -ENOMEM;
set->type = va->type;
set->num_tuples = va->num_elems;
tplg_dv(tplg, pos, "tuple set: type %d (%s) tuples %d size %d", set->type,
get_tuple_type_name(set->type), set->num_tuples, va->size);
for (j = 0; j < set->num_tuples; j++) {
tuple = &set->tuple[j];
switch (va->type) {
case SND_SOC_TPLG_TUPLE_TYPE_UUID:
err = tplg_add_token(tplg, parent, va->uuid[j].token,
tuple->token);
if (err < 0)
goto retval;
memcpy(tuple->uuid, va->uuid[j].uuid,
sizeof(va->uuid[j].uuid));
break;
case SND_SOC_TPLG_TUPLE_TYPE_STRING:
err = tplg_add_token(tplg, parent, va->string[j].token,
tuple->token);
if (err < 0)
goto retval;
snd_strlcpy(tuple->string, va->string[j].string,
sizeof(tuple->string));
break;
case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
case SND_SOC_TPLG_TUPLE_TYPE_WORD:
case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
err = tplg_add_token(tplg, parent, va->value[j].token,
tuple->token);
if (err < 0)
goto retval;
tuple->value = va->value[j].value;
break;
}
}
*_set = set;
return 0;
retval:
free(set);
return err;
}
/* verify tuples from the binary input */
static int tplg_verify_tuples(snd_tplg_t *tplg, size_t pos,
const void *bin, size_t size)
{
const struct snd_soc_tplg_vendor_array *va;
int err;
if (size < sizeof(*va)) {
tplg_dv(tplg, pos, "tuples: small size %d", size);
return -EINVAL;
}
next:
va = bin;
if (size < sizeof(*va)) {
tplg_dv(tplg, pos, "tuples: unexpected vendor arry size %d", size);
return -EINVAL;
}
err = tplg_verify_tuple_set(tplg, pos, va, va->size);
if (err < 0)
return err;
bin += va->size;
size -= va->size;
pos += va->size;
if (size > 0)
goto next;
return 0;
}
/* add tuples from the binary input */
static int tplg_decode_tuples(snd_tplg_t *tplg,
size_t pos,
struct tplg_elem *parent,
struct tplg_vendor_tuples *tuples,
const void *bin, size_t size)
{
const struct snd_soc_tplg_vendor_array *va;
struct tplg_tuple_set *set;
int err;
if (size < sizeof(*va)) {
SNDERR("tuples: small size %d", size);
return -EINVAL;
}
next:
va = bin;
if (size < sizeof(*va)) {
SNDERR("tuples: unexpected vendor arry size %d", size);
return -EINVAL;
}
if (tuples->num_sets >= tuples->alloc_sets) {
SNDERR("tuples: index overflow (%d)", tuples->num_sets);
return -EINVAL;
}
err = tplg_decode_tuple_set(tplg, pos, parent, &set, va, va->size);
if (err < 0)
return err;
tuples->set[tuples->num_sets++] = set;
bin += va->size;
size -= va->size;
pos += va->size;
if (size > 0)
goto next;
return 0;
}
/* decode private data */
int tplg_add_data(snd_tplg_t *tplg,
struct tplg_elem *parent,
const void *bin, size_t size)
{
const struct snd_soc_tplg_private *tp;
const struct snd_soc_tplg_vendor_array *va;
struct tplg_elem *elem = NULL, *elem2 = NULL;
struct tplg_vendor_tuples *tuples = NULL;
char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
char suffix[16];
size_t pos = 0, off;
int err, num_tuples = 0, block = 0;
if (size == 0)
return 0;
off = offsetof(struct snd_soc_tplg_private, array);
next:
tp = bin;
if (off + size < tp->size) {
SNDERR("data: unexpected element size %d", size);
return -EINVAL;
}
if (tplg_verify_tuples(tplg, pos, tp->array, tp->size) < 0) {
if (tuples) {
err = tplg_ref_add(elem, SND_TPLG_TYPE_TOKEN, parent->id);
if (err < 0)
return err;
err = tplg_ref_add(elem2, SND_TPLG_TYPE_TUPLE, id);
if (err < 0)
return err;
err = tplg_ref_add(parent, SND_TPLG_TYPE_DATA, id);
if (err < 0)
return err;
tuples = NULL;
}
tplg_dv(tplg, pos, "add bytes: size %d", tp->size);
snprintf(suffix, sizeof(suffix), "data%u", block++);
err = tplg_add_data_bytes(tplg, parent, suffix, tp->array, tp->size);
} else {
if (!tuples) {
snprintf(id, sizeof(id), "%.30s:tuple%d", parent->id, (block++) & 0xffff);
elem = tplg_elem_new_common(tplg, NULL, id, SND_TPLG_TYPE_TUPLE);
if (!elem)
return -ENOMEM;
elem2 = tplg_elem_new_common(tplg, NULL, id, SND_TPLG_TYPE_DATA);
if (!elem2)
return -ENOMEM;
tuples = calloc(1, sizeof(*tuples));
if (!tuples)
return -ENOMEM;
elem->tuples = tuples;
tuples->alloc_sets = (size / sizeof(*va)) + 1;
tuples->set = calloc(1, tuples->alloc_sets * sizeof(void *));
if (!tuples->set) {
tuples->alloc_sets = 0;
return -ENOMEM;
}
}
tplg_dv(tplg, pos, "decode tuples: size %d", tp->size);
err = tplg_decode_tuples(tplg, pos, parent, tuples, tp->array, tp->size);
num_tuples++;
}
if (err < 0)
return err;
bin += off + tp->size;
size -= off + tp->size;
pos += off + tp->size;
if (size > 0)
goto next;
if (tuples && elem && elem2) {
err = tplg_ref_add(elem, SND_TPLG_TYPE_TOKEN, parent->id);
if (err < 0)
return err;
err = tplg_ref_add(elem2, SND_TPLG_TYPE_TUPLE, id);
if (err < 0)
return err;
err = tplg_ref_add(parent, SND_TPLG_TYPE_DATA, id);
if (err < 0)
return err;
}
return 0;
}
/* add private data - bytes */
int tplg_add_data_bytes(snd_tplg_t *tplg, struct tplg_elem *parent,
const char *suffix, const void *bin, size_t size)
{
struct snd_soc_tplg_private *priv;
struct tplg_elem *elem;
char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
if (suffix)
snprintf(id, sizeof(id), "%.30s:%.12s", parent->id, suffix);
else
snd_strlcpy(id, parent->id, sizeof(id));
elem = tplg_elem_new_common(tplg, NULL, id, SND_TPLG_TYPE_DATA);
if (!elem)
return -ENOMEM;
priv = malloc(sizeof(*priv) + size);
if (!priv)
return -ENOMEM;
memcpy(priv->data, bin, size);
priv->size = size;
elem->data = priv;
return tplg_ref_add(parent, SND_TPLG_TYPE_DATA, id);
}
/* decode data from the binary input */
int tplg_decode_data(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
size_t pos ATTRIBUTE_UNUSED,
struct snd_soc_tplg_hdr *hdr ATTRIBUTE_UNUSED,
void *bin ATTRIBUTE_UNUSED,
size_t size ATTRIBUTE_UNUSED)
{
SNDERR("data type not expected");
return -EINVAL;
}

136
src/topology/decoder.c Normal file
View file

@ -0,0 +1,136 @@
/*
Copyright (c) 2019 Red Hat Inc.
All rights reserved.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
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 Lesser General Public License for more details.
Authors: Jaroslav Kysela <perex@perex.cz>
*/
#include "list.h"
#include "tplg_local.h"
/* verbose output detailing each object size and file position */
void tplg_dv(snd_tplg_t *tplg, size_t pos, const char *fmt, ...)
{
va_list va;
if (!tplg->verbose)
return;
va_start(va, fmt);
fprintf(stdout, "D0x%6.6zx/%6.6zd - ", pos, pos);
vfprintf(stdout, fmt, va);
va_end(va);
putc('\n', stdout);
}
int tplg_decode_template(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
snd_tplg_obj_template_t *t)
{
int type;
type = tplg_get_type(hdr->type);
tplg_dv(tplg, pos, "template: asoc type %d library type %d", hdr->type, type);
if (type < 0)
return type;
memset(t, 0, sizeof(*t));
t->type = type;
t->index = hdr->index;
t->version = hdr->version;
t->vendor_type = hdr->vendor_type;
tplg_dv(tplg, pos, "template: index %d version %d vendor_type %d",
hdr->index, hdr->version, hdr->vendor_type);
return 0;
}
int snd_tplg_decode(snd_tplg_t *tplg, void *bin, size_t size, int dflags)
{
struct snd_soc_tplg_hdr *hdr;
struct tplg_table *tptr;
size_t pos;
void *b = bin;
unsigned int index;
int err;
if (dflags != 0)
return -EINVAL;
if (tplg == NULL || bin == NULL)
return -EINVAL;
while (1) {
pos = b - bin;
if (size == pos) {
tplg_dv(tplg, pos, "block: success (total %zd)", size);
return 0;
}
if (size - pos < sizeof(*hdr)) {
tplg_dv(tplg, pos, "block: small size");
SNDERR("incomplete header data to decode");
return -EINVAL;
}
hdr = b;
if (hdr->magic != SND_SOC_TPLG_MAGIC) {
SNDERR("bad block magic %08x", hdr->magic);
return -EINVAL;
}
tplg_dv(tplg, pos, "block: abi %d size %d payload size %d",
hdr->abi, hdr->size, hdr->payload_size);
if (hdr->abi != SND_SOC_TPLG_ABI_VERSION) {
SNDERR("unsupported ABI version %d", hdr->abi);
return -EINVAL;
}
if (hdr->size != sizeof(*hdr)) {
SNDERR("header size mismatch");
return -EINVAL;
}
if (size - pos < hdr->size + hdr->payload_size) {
SNDERR("incomplete payload data to decode");
return -EINVAL;
}
if (hdr->payload_size < 8) {
SNDERR("wrong payload size %d", hdr->payload_size);
return -EINVAL;
}
/* first block must be manifest */
if (b == bin) {
if (hdr->type != SND_SOC_TPLG_TYPE_MANIFEST) {
SNDERR("first block must be manifest (value %d)", hdr->type);
return -EINVAL;
}
err = snd_tplg_set_version(tplg, hdr->version);
if (err < 0)
return err;
}
pos += hdr->size;
for (index = 0; index < tplg_table_items; index++) {
tptr = &tplg_table[index];
if (tptr->tsoc == (int)hdr->type)
break;
}
if (index >= tplg_table_items || tptr->decod == NULL) {
SNDERR("unknown block type %d", hdr->type);
return -EINVAL;
}
tplg_dv(tplg, pos, "block: type %d - %s", hdr->type, tptr->name);
err = tptr->decod(tplg, pos, hdr, b + hdr->size, hdr->payload_size);
if (err < 0)
return err;
b += hdr->size + hdr->payload_size;
}
}

80
src/topology/elem.c
View file

@ -31,6 +31,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_manifest_data, .parse = tplg_parse_manifest_data,
.save = tplg_save_manifest_data, .save = tplg_save_manifest_data,
.decod = tplg_decode_manifest_data,
}, },
{ {
.name = "control mixer", .name = "control mixer",
@ -43,6 +44,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_control_mixer, .parse = tplg_parse_control_mixer,
.save = tplg_save_control_mixer, .save = tplg_save_control_mixer,
.decod = tplg_decode_control_mixer,
}, },
{ {
.name = "control enum", .name = "control enum",
@ -55,6 +57,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_control_enum, .parse = tplg_parse_control_enum,
.save = tplg_save_control_enum, .save = tplg_save_control_enum,
.decod = tplg_decode_control_enum,
}, },
{ {
.name = "control extended (bytes)", .name = "control extended (bytes)",
@ -67,6 +70,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_control_bytes, .parse = tplg_parse_control_bytes,
.save = tplg_save_control_bytes, .save = tplg_save_control_bytes,
.decod = tplg_decode_control_bytes,
}, },
{ {
.name = "dapm widget", .name = "dapm widget",
@ -79,6 +83,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_dapm_widget, .parse = tplg_parse_dapm_widget,
.save = tplg_save_dapm_widget, .save = tplg_save_dapm_widget,
.decod = tplg_decode_dapm_widget,
}, },
{ {
.name = "pcm", .name = "pcm",
@ -91,6 +96,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_pcm, .parse = tplg_parse_pcm,
.save = tplg_save_pcm, .save = tplg_save_pcm,
.decod = tplg_decode_pcm,
}, },
{ {
.name = "physical dai", .name = "physical dai",
@ -103,6 +109,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_dai, .parse = tplg_parse_dai,
.save = tplg_save_dai, .save = tplg_save_dai,
.decod = tplg_decode_dai,
}, },
{ {
.name = "be", .name = "be",
@ -116,6 +123,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_link, .parse = tplg_parse_link,
.save = tplg_save_link, .save = tplg_save_link,
.decod = tplg_decode_link,
}, },
{ {
.name = "cc", .name = "cc",
@ -128,6 +136,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_cc, .parse = tplg_parse_cc,
.save = tplg_save_cc, .save = tplg_save_cc,
.decod = tplg_decode_cc,
}, },
{ {
.name = "route (dapm graph)", .name = "route (dapm graph)",
@ -138,6 +147,7 @@ struct tplg_table tplg_table[] = {
.build = 1, .build = 1,
.parse = tplg_parse_dapm_graph, .parse = tplg_parse_dapm_graph,
.gsave = tplg_save_dapm_graph, .gsave = tplg_save_dapm_graph,
.decod = tplg_decode_dapm_graph,
}, },
{ {
.name = "private data", .name = "private data",
@ -149,6 +159,7 @@ struct tplg_table tplg_table[] = {
.enew = 1, .enew = 1,
.parse = tplg_parse_data, .parse = tplg_parse_data,
.save = tplg_save_data, .save = tplg_save_data,
.decod = tplg_decode_data,
}, },
{ {
.name = "text", .name = "text",
@ -220,6 +231,17 @@ struct tplg_table tplg_table[] = {
unsigned int tplg_table_items = ARRAY_SIZE(tplg_table); unsigned int tplg_table_items = ARRAY_SIZE(tplg_table);
int tplg_get_type(int asoc_type)
{
unsigned int index;
for (index = 0; index < tplg_table_items; index++)
if (tplg_table[index].tsoc == asoc_type)
return tplg_table[index].type;
SNDERR("uknown asoc type %d", asoc_type);
return -EINVAL;
}
int tplg_ref_add(struct tplg_elem *elem, int type, const char* id) int tplg_ref_add(struct tplg_elem *elem, int type, const char* id)
{ {
struct tplg_ref *ref; struct tplg_ref *ref;
@ -331,6 +353,36 @@ struct tplg_elem *tplg_elem_lookup(struct list_head *base, const char* id,
return NULL; return NULL;
} }
/* find an element by type */
struct tplg_elem *tplg_elem_type_lookup(snd_tplg_t *tplg,
enum snd_tplg_type type)
{
struct tplg_table *tptr;
struct list_head *pos, *list;
struct tplg_elem *elem;
unsigned int index;
for (index = 0; index < tplg_table_items; index++) {
tptr = &tplg_table[index];
if (!tptr->enew)
continue;
if ((int)type != tptr->type)
continue;
break;
}
if (index >= tplg_table_items)
return NULL;
list = (struct list_head *)((void *)tplg + tptr->loff);
/* return only first element */
list_for_each(pos, list) {
elem = list_entry(pos, struct tplg_elem, list);
return elem;
}
return NULL;
}
/* insert a new element into list in the ascending order of index value */ /* insert a new element into list in the ascending order of index value */
void tplg_elem_insert(struct tplg_elem *elem_p, struct list_head *list) void tplg_elem_insert(struct tplg_elem *elem_p, struct list_head *list)
{ {
@ -428,3 +480,31 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
elem->type = type; elem->type = type;
return elem; return elem;
} }
struct tplg_alloc {
struct list_head list;
void *data[0];
};
void *tplg_calloc(struct list_head *heap, size_t size)
{
struct tplg_alloc *a;
a = calloc(1, sizeof(*a) + size);
if (a == NULL)
return NULL;
list_add_tail(&a->list, heap);
return a->data;
}
void tplg_free(struct list_head *heap)
{
struct list_head *pos, *npos;
struct tplg_alloc *a;
list_for_each_safe(pos, npos, heap) {
a = list_entry(pos, struct tplg_alloc, list);
list_del(&a->list);
free(a);
}
}

20
src/topology/parser.c
View file

@ -396,17 +396,21 @@ int snd_tplg_build_bin(snd_tplg_t *tplg,
int snd_tplg_set_manifest_data(snd_tplg_t *tplg, const void *data, int len) int snd_tplg_set_manifest_data(snd_tplg_t *tplg, const void *data, int len)
{ {
struct tplg_elem *elem;
elem = tplg_elem_type_lookup(tplg, SND_TPLG_TYPE_MANIFEST);
if (elem == NULL) {
elem = tplg_elem_new_common(tplg, NULL, "manifest",
SND_TPLG_TYPE_MANIFEST);
if (!elem)
return -ENOMEM;
tplg->manifest.size = elem->size;
}
if (len <= 0) if (len <= 0)
return 0; return 0;
tplg->manifest.priv.size = len; return tplg_add_data_bytes(tplg, elem, NULL, data, len);
tplg->manifest_pdata = malloc(len);
if (!tplg->manifest_pdata)
return -ENOMEM;
memcpy(tplg->manifest_pdata, data, len);
return 0;
} }
int snd_tplg_set_version(snd_tplg_t *tplg, unsigned int version) int snd_tplg_set_version(snd_tplg_t *tplg, unsigned int version)

398
src/topology/pcm.c
View file

@ -1679,11 +1679,20 @@ static void tplg_add_stream_object(struct snd_soc_tplg_stream *strm,
strm->channels = strm_tpl->channels; strm->channels = strm_tpl->channels;
} }
static void tplg_add_stream_caps(struct snd_soc_tplg_stream_caps *caps, static int tplg_add_stream_caps(snd_tplg_t *tplg,
struct snd_tplg_stream_caps_template *caps_tpl) struct snd_tplg_stream_caps_template *caps_tpl)
{ {
snd_strlcpy(caps->name, caps_tpl->name, struct snd_soc_tplg_stream_caps *caps;
SNDRV_CTL_ELEM_ID_NAME_MAXLEN); struct tplg_elem *elem;
elem = tplg_elem_new_common(tplg, NULL, caps_tpl->name,
SND_TPLG_TYPE_STREAM_CAPS);
if (!elem)
return -ENOMEM;
caps = elem->stream_caps;
snd_strlcpy(caps->name, caps_tpl->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
caps->formats = caps_tpl->formats; caps->formats = caps_tpl->formats;
caps->rates = caps_tpl->rates; caps->rates = caps_tpl->rates;
@ -1698,15 +1707,17 @@ static void tplg_add_stream_caps(struct snd_soc_tplg_stream_caps *caps,
caps->buffer_size_min = caps_tpl->buffer_size_min; caps->buffer_size_min = caps_tpl->buffer_size_min;
caps->buffer_size_max = caps_tpl->buffer_size_max; caps->buffer_size_max = caps_tpl->buffer_size_max;
caps->sig_bits = caps_tpl->sig_bits; caps->sig_bits = caps_tpl->sig_bits;
return 0;
} }
/* Add a PCM element (FE DAI & DAI link) from C API */ /* Add a PCM element (FE DAI & DAI link) from C API */
int tplg_add_pcm_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) int tplg_add_pcm_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
{ {
struct snd_tplg_pcm_template *pcm_tpl = t->pcm; struct snd_tplg_pcm_template *pcm_tpl = t->pcm;
struct snd_soc_tplg_pcm *pcm, *_pcm; struct snd_soc_tplg_private *priv;
struct snd_soc_tplg_pcm *pcm;
struct tplg_elem *elem; struct tplg_elem *elem;
int i; int ret, i;
tplg_dbg("PCM: %s, DAI %s\n", pcm_tpl->pcm_name, pcm_tpl->dai_name); tplg_dbg("PCM: %s, DAI %s\n", pcm_tpl->pcm_name, pcm_tpl->dai_name);
@ -1732,8 +1743,13 @@ int tplg_add_pcm_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
pcm->compress = pcm_tpl->compress; pcm->compress = pcm_tpl->compress;
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
if (pcm_tpl->caps[i]) if (!pcm_tpl->caps[i] || !pcm_tpl->caps[i]->name)
tplg_add_stream_caps(&pcm->caps[i], pcm_tpl->caps[i]); continue;
ret = tplg_add_stream_caps(tplg, pcm_tpl->caps[i]);
if (ret < 0)
return ret;
snd_strlcpy(pcm->caps[i].name, pcm_tpl->caps[i]->name,
sizeof(pcm->caps[i].name));
} }
pcm->flag_mask = pcm_tpl->flag_mask; pcm->flag_mask = pcm_tpl->flag_mask;
@ -1744,22 +1760,12 @@ int tplg_add_pcm_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
tplg_add_stream_object(&pcm->stream[i], &pcm_tpl->stream[i]); tplg_add_stream_object(&pcm->stream[i], &pcm_tpl->stream[i]);
/* private data */ /* private data */
if (pcm_tpl->priv != NULL && pcm_tpl->priv->size) { priv = pcm_tpl->priv;
tplg_dbg("\t priv data size %d\n", pcm_tpl->priv->size); if (priv && priv->size > 0) {
_pcm = realloc(pcm, ret = tplg_add_data(tplg, elem, priv,
elem->size + pcm_tpl->priv->size); sizeof(*priv) + priv->size);
if (!_pcm) { if (ret < 0)
tplg_elem_free(elem); return ret;
return -ENOMEM;
}
pcm = _pcm;
elem->pcm = pcm;
elem->size += pcm_tpl->priv->size;
memcpy(pcm->priv.data, pcm_tpl->priv->data,
pcm_tpl->priv->size);
pcm->priv.size = pcm_tpl->priv->size;
} }
return 0; return 0;
@ -1810,9 +1816,11 @@ static int set_link_hw_config(struct snd_soc_tplg_hw_config *cfg,
int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
{ {
struct snd_tplg_link_template *link_tpl = t->link; struct snd_tplg_link_template *link_tpl = t->link;
struct snd_soc_tplg_link_config *link, *_link; struct snd_soc_tplg_link_config *link;
struct snd_soc_tplg_private *priv;
struct tplg_elem *elem; struct tplg_elem *elem;
unsigned int i; unsigned int i;
int ret;
if (t->type != SND_TPLG_TYPE_LINK && t->type != SND_TPLG_TYPE_BE if (t->type != SND_TPLG_TYPE_LINK && t->type != SND_TPLG_TYPE_BE
&& t->type != SND_TPLG_TYPE_CC) && t->type != SND_TPLG_TYPE_CC)
@ -1854,21 +1862,12 @@ int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
link->flags = link_tpl->flags; link->flags = link_tpl->flags;
/* private data */ /* private data */
if (link_tpl->priv != NULL && link_tpl->priv->size) { priv = link_tpl->priv;
_link = realloc(link, if (priv && priv->size > 0) {
elem->size + link_tpl->priv->size); ret = tplg_add_data(tplg, elem, priv,
if (!_link) { sizeof(*priv) + priv->size);
tplg_elem_free(elem); if (ret < 0)
return -ENOMEM; return ret;
}
link = _link;
elem->link = link;
elem->size += link_tpl->priv->size;
memcpy(link->priv.data, link_tpl->priv->data,
link_tpl->priv->size);
link->priv.size = link_tpl->priv->size;
} }
return 0; return 0;
@ -1877,9 +1876,10 @@ int tplg_add_link_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
int tplg_add_dai_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t) int tplg_add_dai_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
{ {
struct snd_tplg_dai_template *dai_tpl = t->dai; struct snd_tplg_dai_template *dai_tpl = t->dai;
struct snd_soc_tplg_dai *dai, *_dai; struct snd_soc_tplg_dai *dai;
struct snd_soc_tplg_private *priv;
struct tplg_elem *elem; struct tplg_elem *elem;
int i; int ret, i;
tplg_dbg("DAI %s\n", dai_tpl->dai_name); tplg_dbg("DAI %s\n", dai_tpl->dai_name);
@ -1900,8 +1900,13 @@ int tplg_add_dai_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
dai->capture = dai_tpl->capture; dai->capture = dai_tpl->capture;
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
if (dai_tpl->caps[i]) if (!dai_tpl->caps[i] || !dai_tpl->caps[i]->name)
tplg_add_stream_caps(&dai->caps[i], dai_tpl->caps[i]); continue;
ret = tplg_add_stream_caps(tplg, dai_tpl->caps[i]);
if (ret < 0)
return ret;
snd_strlcpy(dai->caps[i].name, dai_tpl->caps[i]->name,
sizeof(dai->caps[i].name));
} }
/* flags */ /* flags */
@ -1909,22 +1914,299 @@ int tplg_add_dai_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t)
dai->flags = dai_tpl->flags; dai->flags = dai_tpl->flags;
/* private data */ /* private data */
if (dai_tpl->priv != NULL) { priv = dai_tpl->priv;
_dai = realloc(dai, if (priv && priv->size > 0) {
elem->size + dai_tpl->priv->size); ret = tplg_add_data(tplg, elem, priv,
if (!_dai) { sizeof(*priv) + priv->size);
tplg_elem_free(elem); if (ret < 0)
return -ENOMEM; return ret;
}
dai = _dai;
dai->priv.size = dai_tpl->priv->size;
elem->dai = dai;
elem->size += dai->priv.size;
memcpy(dai->priv.data, dai_tpl->priv->data,
dai->priv.size);
} }
return 0; return 0;
} }
/* decode pcm from the binary input */
int tplg_decode_pcm(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct snd_soc_tplg_pcm *pcm;
snd_tplg_obj_template_t t;
struct snd_tplg_pcm_template *pt;
struct snd_tplg_stream_caps_template caps[2], *cap;
struct snd_tplg_stream_template *stream;
unsigned int i;
size_t asize;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
asize = sizeof(*pt) + SND_SOC_TPLG_STREAM_CONFIG_MAX * sizeof(*stream);
pt = alloca(asize);
next:
memset(pt, 0, asize);
pcm = bin;
if (size < sizeof(*pcm)) {
SNDERR("pcm: small size %d", size);
return -EINVAL;
}
if (sizeof(*pcm) != pcm->size) {
SNDERR("pcm: unknown element size %d (expected %zd)",
pcm->size, sizeof(*pcm));
return -EINVAL;
}
if (pcm->num_streams > SND_SOC_TPLG_STREAM_CONFIG_MAX) {
SNDERR("pcm: wrong number of streams %d", pcm->num_streams);
return -EINVAL;
}
if (sizeof(*pcm) + pcm->priv.size > size) {
SNDERR("pcm: wrong private data size %d", pcm->priv.size);
return -EINVAL;
}
tplg_dv(tplg, pos, "pcm: size %d private size %d streams %d",
pcm->size, pcm->priv.size, pcm->num_streams);
pt->pcm_name = pcm->pcm_name;
tplg_dv(tplg, pos, "pcm: pcm_name '%s'", pt->pcm_name);
pt->dai_name = pcm->dai_name;
tplg_dv(tplg, pos, "pcm: dai_name '%s'", pt->dai_name);
pt->pcm_id = pcm->pcm_id;
pt->dai_id = pcm->dai_id;
tplg_dv(tplg, pos, "pcm: pcm_id %d dai_id %d", pt->pcm_id, pt->dai_id);
pt->playback = pcm->playback;
pt->capture = pcm->capture;
pt->compress = pcm->compress;
tplg_dv(tplg, pos, "pcm: playback %d capture %d compress",
pt->playback, pt->capture, pt->compress);
pt->num_streams = pcm->num_streams;
pt->flag_mask = pcm->flag_mask;
pt->flags = pcm->flags;
for (i = 0; i < pcm->num_streams; i++) {
stream = &pt->stream[i];
if (pcm->stream[i].size != sizeof(pcm->stream[0])) {
SNDERR("pcm: unknown stream structure size %d",
pcm->stream[i].size);
return -EINVAL;
}
stream->name = pcm->stream[i].name;
tplg_dv(tplg, pos + offsetof(struct snd_soc_tplg_pcm, stream[i]),
"stream %d: '%s'", i, stream->name);
stream->format = pcm->stream[i].format;
stream->rate = pcm->stream[i].rate;
stream->period_bytes = pcm->stream[i].period_bytes;
stream->buffer_bytes = pcm->stream[i].buffer_bytes;
stream->channels = pcm->stream[i].channels;
}
for (i = 0; i < 2; i++) {
if (i == 0 && !pcm->playback)
continue;
if (i == 1 && !pcm->capture)
continue;
cap = &caps[i];
pt->caps[i] = cap;
if (pcm->caps[i].size != sizeof(pcm->caps[0])) {
SNDERR("pcm: unknown caps structure size %d",
pcm->caps[i].size);
return -EINVAL;
}
cap->name = pcm->caps[i].name;
tplg_dv(tplg, pos + offsetof(struct snd_soc_tplg_pcm, caps[i]),
"caps %d: '%s'", i, cap->name);
cap->formats = pcm->caps[i].formats;
cap->rates = pcm->caps[i].rates;
cap->rate_min = pcm->caps[i].rate_min;
cap->rate_max = pcm->caps[i].rate_max;
cap->channels_min = pcm->caps[i].channels_min;
cap->channels_max = pcm->caps[i].channels_max;
cap->periods_min = pcm->caps[i].periods_min;
cap->periods_max = pcm->caps[i].periods_max;
cap->period_size_min = pcm->caps[i].period_size_min;
cap->period_size_max = pcm->caps[i].period_size_max;
cap->buffer_size_min = pcm->caps[i].buffer_size_min;
cap->buffer_size_max = pcm->caps[i].buffer_size_max;
cap->sig_bits = pcm->caps[i].sig_bits;
}
tplg_dv(tplg, pos + offsetof(struct snd_soc_tplg_pcm, priv),
"pcm: private start");
pt->priv = &pcm->priv;
bin += sizeof(*pcm) + pcm->priv.size;
size -= sizeof(*pcm) + pcm->priv.size;
pos += sizeof(*pcm) + pcm->priv.size;
t.pcm = pt;
err = snd_tplg_add_object(tplg, &t);
if (err < 0)
return err;
if (size > 0)
goto next;
return 0;
}
/* decode dai from the binary input */
int tplg_decode_dai(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
SNDERR("not implemented");
return -ENXIO;
}
/* decode cc from the binary input */
int tplg_decode_cc(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
SNDERR("not implemented");
return -ENXIO;
}
/* decode link from the binary input */
int tplg_decode_link(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size)
{
struct snd_soc_tplg_link_config *link;
snd_tplg_obj_template_t t;
struct snd_tplg_link_template lt;
struct snd_tplg_stream_template streams[SND_SOC_TPLG_STREAM_CONFIG_MAX];
struct snd_tplg_stream_template *stream;
struct snd_tplg_hw_config_template hws[SND_SOC_TPLG_HW_CONFIG_MAX];
struct snd_tplg_hw_config_template *hw;
unsigned int i, j;
int err;
err = tplg_decode_template(tplg, pos, hdr, &t);
if (err < 0)
return err;
next:
memset(&lt, 0, sizeof(lt));
memset(streams, 0, sizeof(streams));
memset(hws, 0, sizeof(hws));
link = bin;
if (size < sizeof(*link)) {
SNDERR("link: small size %d", size);
return -EINVAL;
}
if (sizeof(*link) != link->size) {
SNDERR("link: unknown element size %d (expected %zd)",
link->size, sizeof(*link));
return -EINVAL;
}
if (link->num_streams > SND_SOC_TPLG_STREAM_CONFIG_MAX) {
SNDERR("link: wrong number of streams %d", link->num_streams);
return -EINVAL;
}
if (link->num_hw_configs > SND_SOC_TPLG_HW_CONFIG_MAX) {
SNDERR("link: wrong number of streams %d", link->num_streams);
return -EINVAL;
}
if (sizeof(*link) + link->priv.size > size) {
SNDERR("link: wrong private data size %d", link->priv.size);
return -EINVAL;
}
tplg_dv(tplg, pos, "link: size %d private size %d streams %d "
"hw_configs %d",
link->size, link->priv.size, link->num_streams,
link->num_hw_configs);
lt.id = link->id;
lt.name = link->name;
tplg_dv(tplg, pos, "link: name '%s'", lt.name);
lt.stream_name = link->stream_name;
tplg_dv(tplg, pos, "link: stream_name '%s'", lt.stream_name);
lt.num_streams = link->num_streams;
lt.num_hw_configs = link->num_hw_configs;
lt.default_hw_config_id = link->default_hw_config_id;
lt.flag_mask = link->flag_mask;
lt.flags = link->flags;
for (i = 0; i < link->num_streams; i++) {
stream = &streams[i];
if (link->stream[i].size != sizeof(link->stream[0])) {
SNDERR("link: unknown stream structure size %d",
link->stream[i].size);
return -EINVAL;
}
stream->name = link->stream[i].name;
tplg_dv(tplg,
pos + offsetof(struct snd_soc_tplg_link_config, stream[i]),
"stream %d: '%s'", i, stream->name);
stream->format = link->stream[i].format;
stream->rate = link->stream[i].rate;
stream->period_bytes = link->stream[i].period_bytes;
stream->buffer_bytes = link->stream[i].buffer_bytes;
stream->channels = link->stream[i].channels;
}
lt.stream = streams;
for (i = 0; i < link->num_hw_configs; i++) {
hw = &hws[i];
if (link->hw_config[i].size != sizeof(link->hw_config[0])) {
SNDERR("link: unknown hw_config structure size %d",
link->hw_config[i].size);
return -EINVAL;
}
hw->id = link->hw_config[i].id;
hw->fmt = link->hw_config[i].fmt;
hw->clock_gated = link->hw_config[i].clock_gated;
hw->invert_bclk = link->hw_config[i].invert_bclk;
hw->invert_fsync = link->hw_config[i].invert_fsync;
hw->bclk_master = link->hw_config[i].bclk_master;
hw->fsync_master = link->hw_config[i].fsync_master;
hw->mclk_direction = link->hw_config[i].mclk_direction;
hw->mclk_rate = link->hw_config[i].mclk_rate;
hw->bclk_rate = link->hw_config[i].bclk_rate;
hw->fsync_rate = link->hw_config[i].fsync_rate;
hw->tdm_slots = link->hw_config[i].tdm_slots;
hw->tdm_slot_width = link->hw_config[i].tdm_slot_width;
hw->tx_slots = link->hw_config[i].tx_slots;
hw->rx_slots = link->hw_config[i].rx_slots;
hw->tx_channels = link->hw_config[i].tx_channels;
if (hw->tx_channels > SND_SOC_TPLG_MAX_CHAN) {
SNDERR("link: wrong tx channels %d", hw->tx_channels);
return -EINVAL;
}
for (j = 0; j < hw->tx_channels; j++)
hw->tx_chanmap[j] = link->hw_config[i].tx_chanmap[j];
hw->rx_channels = link->hw_config[i].rx_channels;
if (hw->rx_channels > SND_SOC_TPLG_MAX_CHAN) {
SNDERR("link: wrong rx channels %d", hw->tx_channels);
return -EINVAL;
}
for (j = 0; j < hw->rx_channels; j++)
hw->rx_chanmap[j] = link->hw_config[i].rx_chanmap[j];
}
lt.hw_config = hws;
tplg_dv(tplg, pos + offsetof(struct snd_soc_tplg_pcm, priv),
"link: private start");
lt.priv = &link->priv;
bin += sizeof(*link) + link->priv.size;
size -= sizeof(*link) + link->priv.size;
pos += sizeof(*link) + link->priv.size;
t.link = &lt;
err = snd_tplg_add_object(tplg, &t);
if (err < 0)
return err;
if (size > 0)
goto next;
return 0;
}

3
src/topology/save.c
View file

@ -577,6 +577,9 @@ int snd_tplg_save(snd_tplg_t *tplg, char **dst, int flags)
if (err < 0) if (err < 0)
goto _err; goto _err;
if (*dst == NULL)
return -EINVAL;
if (flags & SND_TPLG_SAVE_NOCHECK) if (flags & SND_TPLG_SAVE_NOCHECK)
return 0; return 0;

69
src/topology/tplg_local.h
View file

@ -143,6 +143,7 @@ struct tplg_tuple_set {
struct tplg_vendor_tuples { struct tplg_vendor_tuples {
unsigned int num_sets; unsigned int num_sets;
unsigned int alloc_sets;
struct tplg_tuple_set **set; struct tplg_tuple_set **set;
}; };
@ -217,11 +218,19 @@ struct tplg_table {
char **dst, const char *prefix); char **dst, const char *prefix);
int (*gsave)(snd_tplg_t *tplg, int index, int (*gsave)(snd_tplg_t *tplg, int index,
char **dst, const char *prefix); char **dst, const char *prefix);
int (*decod)(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
}; };
extern struct tplg_table tplg_table[]; extern struct tplg_table tplg_table[];
extern unsigned int tplg_table_items; extern unsigned int tplg_table_items;
void *tplg_calloc(struct list_head *heap, size_t size);
void tplg_free(struct list_head *heap);
int tplg_get_type(int asoc_type);
int tplg_parse_compound(snd_tplg_t *tplg, snd_config_t *cfg, int tplg_parse_compound(snd_tplg_t *tplg, snd_config_t *cfg,
int (*fcn)(snd_tplg_t *, snd_config_t *, void *), int (*fcn)(snd_tplg_t *, snd_config_t *, void *),
void *private); void *private);
@ -246,6 +255,7 @@ int tplg_parse_link(snd_tplg_t *tplg, snd_config_t *cfg, void *priv);
int tplg_parse_cc(snd_tplg_t *tplg, snd_config_t *cfg, void *priv); int tplg_parse_cc(snd_tplg_t *tplg, snd_config_t *cfg, void *priv);
int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg, void *priv); int tplg_parse_hw_config(snd_tplg_t *tplg, snd_config_t *cfg, void *priv);
unsigned int tplg_get_tuple_size(int type);
void tplg_free_tuples(void *obj); void tplg_free_tuples(void *obj);
int tplg_build_data(snd_tplg_t *tplg); int tplg_build_data(snd_tplg_t *tplg);
@ -272,6 +282,8 @@ struct tplg_elem *tplg_elem_lookup(struct list_head *base,
const char* id, const char* id,
unsigned int type, unsigned int type,
int index); int index);
struct tplg_elem *tplg_elem_type_lookup(snd_tplg_t *tplg,
enum snd_tplg_type type);
struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg, struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
snd_config_t *cfg, const char *name, enum snd_tplg_type type); snd_config_t *cfg, const char *name, enum snd_tplg_type type);
@ -291,6 +303,10 @@ int tplg_parse_ext_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
struct tplg_elem *lookup_pcm_dai_stream(struct list_head *base, struct tplg_elem *lookup_pcm_dai_stream(struct list_head *base,
const char* id); const char* id);
int tplg_add_data(snd_tplg_t *tplg, struct tplg_elem *parent,
const void *bin, size_t size);
int tplg_add_data_bytes(snd_tplg_t *tplg, struct tplg_elem *parent,
const char *suffix, const void *bin, size_t size);
int tplg_add_mixer_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); int tplg_add_mixer_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_enum_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); int tplg_add_enum_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
int tplg_add_bytes_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t); int tplg_add_bytes_object(snd_tplg_t *tplg, snd_tplg_obj_template_t *t);
@ -356,3 +372,56 @@ int tplg_save_stream_caps(snd_tplg_t *tplg, struct tplg_elem *elem,
char **dst, const char *pfx); char **dst, const char *pfx);
int tplg_save_dai(snd_tplg_t *tplg, struct tplg_elem *elem, int tplg_save_dai(snd_tplg_t *tplg, struct tplg_elem *elem,
char **dst, const char *pfx); char **dst, const char *pfx);
void tplg_dv(snd_tplg_t *tplg, size_t pos, const char *fmt, ...);
int tplg_decode_template(snd_tplg_t *tplg,
size_t pos,
struct snd_soc_tplg_hdr *hdr,
snd_tplg_obj_template_t *t);
int tplg_decode_manifest_data(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_control_mixer1(snd_tplg_t *tplg,
struct list_head *heap,
struct snd_tplg_mixer_template *mt,
size_t pos,
void *bin, size_t size);
int tplg_decode_control_mixer(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_control_enum1(snd_tplg_t *tplg,
struct list_head *heap,
struct snd_tplg_enum_template *et,
size_t pos,
void *bin, size_t size);
int tplg_decode_control_enum(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_control_bytes1(snd_tplg_t *tplg,
struct snd_tplg_bytes_template *bt,
size_t pos,
void *bin, size_t size);
int tplg_decode_control_bytes(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_data(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_dapm_graph(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_dapm_widget(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_link(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_cc(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_pcm(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);
int tplg_decode_dai(snd_tplg_t *tplg, size_t pos,
struct snd_soc_tplg_hdr *hdr,
void *bin, size_t size);