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audio_topology.c
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audio_topology.c
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/*
* Greybus audio driver
* Copyright 2015-2016 Google Inc.
* Copyright 2015-2016 Linaro Ltd.
*
* Released under the GPLv2 only.
*/
#include "audio_codec.h"
#include "greybus_protocols.h"
#define GBAUDIO_INVALID_ID 0xFF
/* mixer control */
struct gb_mixer_control {
int min, max;
unsigned int reg, rreg, shift, rshift, invert;
};
struct gbaudio_ctl_pvt {
unsigned int ctl_id;
unsigned int data_cport;
unsigned int access;
unsigned int vcount;
struct gb_audio_ctl_elem_info *info;
};
static struct gbaudio_module_info *find_gb_module(
struct gbaudio_codec_info *codec,
char const *name)
{
int dev_id, ret;
char begin[NAME_SIZE];
struct gbaudio_module_info *module;
if (!name)
return NULL;
ret = sscanf(name, "%s %d", begin, &dev_id);
dev_dbg(codec->dev, "%s:Find module#%d\n", __func__, dev_id);
mutex_lock(&codec->lock);
list_for_each_entry(module, &codec->module_list, list) {
if (module->dev_id == dev_id) {
mutex_unlock(&codec->lock);
return module;
}
}
mutex_unlock(&codec->lock);
dev_warn(codec->dev, "%s: module#%d missing in codec list\n", name,
dev_id);
return NULL;
}
static const char *gbaudio_map_controlid(struct gbaudio_module_info *module,
__u8 control_id, __u8 index)
{
struct gbaudio_control *control;
if (control_id == GBAUDIO_INVALID_ID)
return NULL;
list_for_each_entry(control, &module->ctl_list, list) {
if (control->id == control_id) {
if (index == GBAUDIO_INVALID_ID)
return control->name;
if (index >= control->items)
return NULL;
return control->texts[index];
}
}
list_for_each_entry(control, &module->widget_ctl_list, list) {
if (control->id == control_id) {
if (index == GBAUDIO_INVALID_ID)
return control->name;
if (index >= control->items)
return NULL;
return control->texts[index];
}
}
return NULL;
}
static int gbaudio_map_controlname(struct gbaudio_module_info *module,
const char *name)
{
struct gbaudio_control *control;
list_for_each_entry(control, &module->ctl_list, list) {
if (!strncmp(control->name, name, NAME_SIZE))
return control->id;
}
dev_warn(module->dev, "%s: missing in modules controls list\n", name);
return -EINVAL;
}
static int gbaudio_map_wcontrolname(struct gbaudio_module_info *module,
const char *name)
{
struct gbaudio_control *control;
list_for_each_entry(control, &module->widget_ctl_list, list) {
if (!strncmp(control->wname, name, NAME_SIZE))
return control->id;
}
dev_warn(module->dev, "%s: missing in modules controls list\n", name);
return -EINVAL;
}
static int gbaudio_map_widgetname(struct gbaudio_module_info *module,
const char *name)
{
struct gbaudio_widget *widget;
list_for_each_entry(widget, &module->widget_list, list) {
if (!strncmp(widget->name, name, NAME_SIZE))
return widget->id;
}
dev_warn(module->dev, "%s: missing in modules widgets list\n", name);
return -EINVAL;
}
static const char *gbaudio_map_widgetid(struct gbaudio_module_info *module,
__u8 widget_id)
{
struct gbaudio_widget *widget;
list_for_each_entry(widget, &module->widget_list, list) {
if (widget->id == widget_id)
return widget->name;
}
return NULL;
}
static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb,
struct gb_audio_enumerated *gbenum)
{
const char **strings;
int i;
__u8 *data;
strings = devm_kzalloc(gb->dev, sizeof(char *) * gbenum->items,
GFP_KERNEL);
data = gbenum->names;
for (i = 0; i < gbenum->items; i++) {
strings[i] = (const char *)data;
while (*data != '\0')
data++;
data++;
}
return strings;
}
static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
unsigned int max;
const char *name;
struct gbaudio_ctl_pvt *data;
struct gb_audio_ctl_elem_info *info;
struct gbaudio_module_info *module;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
if (!info) {
dev_err(module->dev, "NULL info for %s\n", uinfo->id.name);
return -EINVAL;
}
/* update uinfo */
uinfo->access = data->access;
uinfo->count = data->vcount;
uinfo->type = (snd_ctl_elem_type_t)info->type;
switch (info->type) {
case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
uinfo->value.integer.min = info->value.integer.min;
uinfo->value.integer.max = info->value.integer.max;
break;
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
max = info->value.enumerated.items;
uinfo->value.enumerated.items = max;
if (uinfo->value.enumerated.item > max - 1)
uinfo->value.enumerated.item = max - 1;
module = find_gb_module(gbcodec, kcontrol->id.name);
if (!module)
return -EINVAL;
name = gbaudio_map_controlid(module, data->ctl_id,
uinfo->value.enumerated.item);
strlcpy(uinfo->value.enumerated.name, name, NAME_SIZE);
break;
default:
dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
info->type, kcontrol->id.name);
break;
}
return 0;
}
static int gbcodec_mixer_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret;
struct gb_audio_ctl_elem_info *info;
struct gbaudio_ctl_pvt *data;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct gb_bundle *bundle;
dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
bundle = to_gb_bundle(module->dev);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
/* update ucontrol */
switch (info->type) {
case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
ucontrol->value.integer.value[0] =
gbvalue.value.integer_value[0];
if (data->vcount == 2)
ucontrol->value.integer.value[1] =
gbvalue.value.integer_value[1];
break;
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
ucontrol->value.enumerated.item[0] =
gbvalue.value.enumerated_item[0];
if (data->vcount == 2)
ucontrol->value.enumerated.item[1] =
gbvalue.value.enumerated_item[1];
break;
default:
dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
info->type, kcontrol->id.name);
ret = -EINVAL;
break;
}
return ret;
}
static int gbcodec_mixer_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret = 0;
struct gb_audio_ctl_elem_info *info;
struct gbaudio_ctl_pvt *data;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct gb_bundle *bundle;
dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
bundle = to_gb_bundle(module->dev);
/* update ucontrol */
switch (info->type) {
case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
gbvalue.value.integer_value[0] =
ucontrol->value.integer.value[0];
if (data->vcount == 2)
gbvalue.value.integer_value[1] =
ucontrol->value.integer.value[1];
break;
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
gbvalue.value.enumerated_item[0] =
ucontrol->value.enumerated.item[0];
if (data->vcount == 2)
gbvalue.value.enumerated_item[1] =
ucontrol->value.enumerated.item[1];
break;
default:
dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
info->type, kcontrol->id.name);
ret = -EINVAL;
break;
}
if (ret)
return ret;
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_set_control(module->mgmt_connection, data->ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
}
return ret;
}
#define SOC_MIXER_GB(xname, kcount, data) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.count = kcount, .info = gbcodec_mixer_ctl_info, \
.get = gbcodec_mixer_ctl_get, .put = gbcodec_mixer_ctl_put, \
.private_value = (unsigned long)data }
/*
* although below callback functions seems redundant to above functions.
* same are kept to allow provision for different handling in case
* of DAPM related sequencing, etc.
*/
static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
int platform_max, platform_min;
struct gbaudio_ctl_pvt *data;
struct gb_audio_ctl_elem_info *info;
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct snd_soc_codec *codec = widget->codec;
dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
/* update uinfo */
platform_max = info->value.integer.max;
platform_min = info->value.integer.min;
if (platform_max == 1 &&
!strnstr(kcontrol->id.name, " Volume", NAME_SIZE))
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = data->vcount;
uinfo->value.integer.min = 0;
if (info->value.integer.min < 0 &&
(uinfo->type == SNDRV_CTL_ELEM_TYPE_INTEGER))
uinfo->value.integer.max = platform_max - platform_min;
else
uinfo->value.integer.max = platform_max;
return 0;
}
static int gbcodec_mixer_dapm_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret;
struct gb_audio_ctl_elem_info *info;
struct gbaudio_ctl_pvt *data;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct snd_soc_codec *codec = widget->codec;
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct gb_bundle *bundle;
dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
bundle = to_gb_bundle(module->dev);
if (data->vcount == 2)
dev_warn(widget->dapm->dev,
"GB: Control '%s' is stereo, which is not supported\n",
kcontrol->id.name);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
/* update ucontrol */
ucontrol->value.integer.value[0] = gbvalue.value.integer_value[0];
return ret;
}
static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret, wi, max, connect;
unsigned int mask, val;
struct gb_audio_ctl_elem_info *info;
struct gbaudio_ctl_pvt *data;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct snd_soc_codec *codec = widget->codec;
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct gb_bundle *bundle;
dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
bundle = to_gb_bundle(module->dev);
if (data->vcount == 2)
dev_warn(widget->dapm->dev,
"GB: Control '%s' is stereo, which is not supported\n",
kcontrol->id.name);
max = info->value.integer.max;
mask = (1 << fls(max)) - 1;
val = (ucontrol->value.integer.value[0] & mask);
connect = !!val;
/* update ucontrol */
if (gbvalue.value.integer_value[0] != val) {
for (wi = 0; wi < wlist->num_widgets; wi++) {
widget = wlist->widgets[wi];
widget->value = val;
widget->dapm->update = NULL;
snd_soc_dapm_mixer_update_power(widget, kcontrol,
connect);
}
gbvalue.value.integer_value[0] =
ucontrol->value.integer.value[0];
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_set_control(module->mgmt_connection,
data->ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev,
"%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
}
}
return ret;
}
#define SOC_DAPM_MIXER_GB(xname, kcount, data) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.count = kcount, .info = gbcodec_mixer_dapm_ctl_info, \
.get = gbcodec_mixer_dapm_ctl_get, .put = gbcodec_mixer_dapm_ctl_put, \
.private_value = (unsigned long)data}
static int gbcodec_event_spk(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
/* Ensure GB speaker is connected */
return 0;
}
static int gbcodec_event_hp(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
/* Ensure GB module supports jack slot */
return 0;
}
static int gbcodec_event_int_mic(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
/* Ensure GB module supports jack slot */
return 0;
}
static int gbaudio_validate_kcontrol_count(struct gb_audio_widget *w)
{
int ret = 0;
switch (w->type) {
case snd_soc_dapm_spk:
case snd_soc_dapm_hp:
case snd_soc_dapm_mic:
case snd_soc_dapm_output:
case snd_soc_dapm_input:
if (w->ncontrols)
ret = -EINVAL;
break;
case snd_soc_dapm_switch:
case snd_soc_dapm_mux:
if (w->ncontrols != 1)
ret = -EINVAL;
break;
default:
break;
}
return ret;
}
static int gbcodec_enum_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret, ctl_id;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct gb_bundle *bundle;
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
if (ctl_id < 0)
return -EINVAL;
bundle = to_gb_bundle(module->dev);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
if (e->shift_l != e->shift_r)
ucontrol->value.enumerated.item[1] =
gbvalue.value.enumerated_item[1];
return 0;
}
static int gbcodec_enum_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret, ctl_id;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct gb_bundle *bundle;
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
if (ctl_id < 0)
return -EINVAL;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
gbvalue.value.enumerated_item[0] = ucontrol->value.enumerated.item[0];
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1] > e->max - 1)
return -EINVAL;
gbvalue.value.enumerated_item[1] =
ucontrol->value.enumerated.item[1];
}
bundle = to_gb_bundle(module->dev);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
}
return ret;
}
static int gbaudio_tplg_create_enum_kctl(struct gbaudio_module_info *gb,
struct snd_kcontrol_new *kctl,
struct gb_audio_control *ctl)
{
struct soc_enum *gbe;
struct gb_audio_enumerated *gb_enum;
int i;
gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
if (!gbe)
return -ENOMEM;
gb_enum = &ctl->info.value.enumerated;
/* since count=1, and reg is dummy */
gbe->max = gb_enum->items;
gbe->texts = gb_generate_enum_strings(gb, gb_enum);
/* debug enum info */
dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
gb_enum->names_length);
for (i = 0; i < gb_enum->items; i++)
dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
*kctl = (struct snd_kcontrol_new)
SOC_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_ctl_get,
gbcodec_enum_ctl_put);
return 0;
}
static int gbaudio_tplg_create_kcontrol(struct gbaudio_module_info *gb,
struct snd_kcontrol_new *kctl,
struct gb_audio_control *ctl)
{
int ret = 0;
struct gbaudio_ctl_pvt *ctldata;
switch (ctl->iface) {
case SNDRV_CTL_ELEM_IFACE_MIXER:
switch (ctl->info.type) {
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
ret = gbaudio_tplg_create_enum_kctl(gb, kctl, ctl);
break;
default:
ctldata = devm_kzalloc(gb->dev,
sizeof(struct gbaudio_ctl_pvt),
GFP_KERNEL);
if (!ctldata)
return -ENOMEM;
ctldata->ctl_id = ctl->id;
ctldata->data_cport = ctl->data_cport;
ctldata->access = ctl->access;
ctldata->vcount = ctl->count_values;
ctldata->info = &ctl->info;
*kctl = (struct snd_kcontrol_new)
SOC_MIXER_GB(ctl->name, ctl->count, ctldata);
ctldata = NULL;
break;
}
break;
default:
return -EINVAL;
}
dev_dbg(gb->dev, "%s:%d control created\n", ctl->name, ctl->id);
return ret;
}
static int gbcodec_enum_dapm_ctl_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret, ctl_id;
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct gbaudio_module_info *module;
struct gb_audio_ctl_elem_value gbvalue;
struct snd_soc_codec *codec = widget->codec;
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_bundle *bundle;
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
if (ctl_id < 0)
return -EINVAL;
bundle = to_gb_bundle(module->dev);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
if (e->shift_l != e->shift_r)
ucontrol->value.enumerated.item[1] =
gbvalue.value.enumerated_item[1];
return 0;
}
static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int ret, wi, ctl_id;
unsigned int val, mux, change;
unsigned int mask;
struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
struct snd_soc_dapm_widget *widget = wlist->widgets[0];
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
struct snd_soc_codec *codec = widget->codec;
struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_bundle *bundle;
if (ucontrol->value.enumerated.item[0] > e->max - 1)
return -EINVAL;
module = find_gb_module(gb, kcontrol->id.name);
if (!module)
return -EINVAL;
ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
if (ctl_id < 0)
return -EINVAL;
change = 0;
bundle = to_gb_bundle(module->dev);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
mux = ucontrol->value.enumerated.item[0];
val = mux << e->shift_l;
mask = e->mask << e->shift_l;
if (gbvalue.value.enumerated_item[0] !=
ucontrol->value.enumerated.item[0]) {
change = 1;
gbvalue.value.enumerated_item[0] =
ucontrol->value.enumerated.item[0];
}
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1] > e->max - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
mask |= e->mask << e->shift_r;
if (gbvalue.value.enumerated_item[1] !=
ucontrol->value.enumerated.item[1]) {
change = 1;
gbvalue.value.enumerated_item[1] =
ucontrol->value.enumerated.item[1];
}
}
if (change) {
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
gb_pm_runtime_put_autosuspend(bundle);
if (ret) {
dev_err_ratelimited(codec->dev,
"%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
}
for (wi = 0; wi < wlist->num_widgets; wi++) {
widget = wlist->widgets[wi];
widget->value = val;
widget->dapm->update = NULL;
snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
}
}
return change;
}
static int gbaudio_tplg_create_enum_ctl(struct gbaudio_module_info *gb,
struct snd_kcontrol_new *kctl,
struct gb_audio_control *ctl)
{
struct soc_enum *gbe;
struct gb_audio_enumerated *gb_enum;
int i;
gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
if (!gbe)
return -ENOMEM;
gb_enum = &ctl->info.value.enumerated;
/* since count=1, and reg is dummy */
gbe->max = gb_enum->items;
gbe->texts = gb_generate_enum_strings(gb, gb_enum);
/* debug enum info */
dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
gb_enum->names_length);
for (i = 0; i < gb_enum->items; i++)
dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
*kctl = (struct snd_kcontrol_new)
SOC_DAPM_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_dapm_ctl_get,
gbcodec_enum_dapm_ctl_put);
return 0;
}
static int gbaudio_tplg_create_mixer_ctl(struct gbaudio_module_info *gb,
struct snd_kcontrol_new *kctl,
struct gb_audio_control *ctl)
{
struct gbaudio_ctl_pvt *ctldata;
ctldata = devm_kzalloc(gb->dev, sizeof(struct gbaudio_ctl_pvt),
GFP_KERNEL);
if (!ctldata)
return -ENOMEM;
ctldata->ctl_id = ctl->id;
ctldata->data_cport = ctl->data_cport;
ctldata->access = ctl->access;
ctldata->vcount = ctl->count_values;
ctldata->info = &ctl->info;
*kctl = (struct snd_kcontrol_new)
SOC_DAPM_MIXER_GB(ctl->name, ctl->count, ctldata);
return 0;
}
static int gbaudio_tplg_create_wcontrol(struct gbaudio_module_info *gb,
struct snd_kcontrol_new *kctl,
struct gb_audio_control *ctl)
{
int ret;
switch (ctl->iface) {
case SNDRV_CTL_ELEM_IFACE_MIXER:
switch (ctl->info.type) {
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
ret = gbaudio_tplg_create_enum_ctl(gb, kctl, ctl);
break;
default:
ret = gbaudio_tplg_create_mixer_ctl(gb, kctl, ctl);
break;
}
break;
default:
return -EINVAL;
}
dev_dbg(gb->dev, "%s:%d DAPM control created, ret:%d\n", ctl->name,
ctl->id, ret);
return ret;
}
static int gbaudio_widget_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
int wid;
int ret;
struct snd_soc_codec *codec = w->codec;
struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
struct gbaudio_module_info *module;
struct gb_bundle *bundle;
dev_dbg(codec->dev, "%s %s %d\n", __func__, w->name, event);
/* Find relevant module */
module = find_gb_module(gbcodec, w->name);
if (!module)
return -EINVAL;
/* map name to widget id */
wid = gbaudio_map_widgetname(module, w->name);
if (wid < 0) {
dev_err(codec->dev, "Invalid widget name:%s\n", w->name);
return -EINVAL;
}
bundle = to_gb_bundle(module->dev);
ret = gb_pm_runtime_get_sync(bundle);
if (ret)
return ret;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
ret = gb_audio_gb_enable_widget(module->mgmt_connection, wid);
if (!ret)
ret = gbaudio_module_update(gbcodec, w, module, 1);
break;
case SND_SOC_DAPM_POST_PMD:
ret = gb_audio_gb_disable_widget(module->mgmt_connection, wid);
if (!ret)
ret = gbaudio_module_update(gbcodec, w, module, 0);
break;
}
if (ret)
dev_err_ratelimited(codec->dev,
"%d: widget, event:%d failed:%d\n", wid,
event, ret);
gb_pm_runtime_put_autosuspend(bundle);
return ret;
}
static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
struct snd_soc_dapm_widget *dw,
struct gb_audio_widget *w, int *w_size)
{
int i, ret, csize;
struct snd_kcontrol_new *widget_kctls;
struct gb_audio_control *curr;
struct gbaudio_control *control, *_control;
size_t size;
char temp_name[NAME_SIZE];
ret = gbaudio_validate_kcontrol_count(w);
if (ret) {
dev_err(module->dev, "Inavlid kcontrol count=%d for %s\n",
w->ncontrols, w->name);
return ret;