#include <linux/greybus.h>
#include "audio_codec.h"
#define GBAUDIO_INVALID_ID 0xFF
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;
char begin[NAME_SIZE];
struct gbaudio_module_info *module;
if (!name)
return NULL;
if (sscanf(name, "%s %d", begin, &dev_id) != 2)
return NULL;
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;
unsigned int items;
__u8 *data;
items = le32_to_cpu(gbenum->items);
strings = devm_kcalloc(gb->dev, items, sizeof(char *), GFP_KERNEL);
if (!strings)
return NULL;
data = gbenum->names;
for (i = 0; i < 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_component *comp = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gbcodec = snd_soc_component_get_drvdata(comp);
dev_dbg(comp->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(comp->dev, "NULL info for %s\n", uinfo->id.name);
return -EINVAL;
}
uinfo->access = data->access;
uinfo->count = data->vcount;
uinfo->type = (__force 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 = le32_to_cpu(info->value.integer.min);
uinfo->value.integer.max = le32_to_cpu(info->value.integer.max);
break;
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
max = le32_to_cpu(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);
strscpy(uinfo->value.enumerated.name, name, sizeof(uinfo->value.enumerated.name));
break;
default:
dev_err(comp->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_component *comp = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
struct gb_bundle *bundle;
dev_dbg(comp->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(comp->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
switch (info->type) {
case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
ucontrol->value.integer.value[0] =
le32_to_cpu(gbvalue.value.integer_value[0]);
if (data->vcount == 2)
ucontrol->value.integer.value[1] =
le32_to_cpu(gbvalue.value.integer_value[1]);
break;
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
ucontrol->value.enumerated.item[0] =
le32_to_cpu(gbvalue.value.enumerated_item[0]);
if (data->vcount == 2)
ucontrol->value.enumerated.item[1] =
le32_to_cpu(gbvalue.value.enumerated_item[1]);
break;
default:
dev_err(comp->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_component *comp = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
struct gb_bundle *bundle;
dev_dbg(comp->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);
switch (info->type) {
case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
gbvalue.value.integer_value[0] =
cpu_to_le32(ucontrol->value.integer.value[0]);
if (data->vcount == 2)
gbvalue.value.integer_value[1] =
cpu_to_le32(ucontrol->value.integer.value[1]);
break;
case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
gbvalue.value.enumerated_item[0] =
cpu_to_le32(ucontrol->value.enumerated.item[0]);
if (data->vcount == 2)
gbvalue.value.enumerated_item[1] =
cpu_to_le32(ucontrol->value.enumerated.item[1]);
break;
default:
dev_err(comp->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(comp->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 }
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;
data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
info = (struct gb_audio_ctl_elem_info *)data->info;
platform_max = le32_to_cpu(info->value.integer.max);
platform_min = le32_to_cpu(info->value.integer.min);
if (platform_max == 1 &&
!strnstr(kcontrol->id.name, " Volume", sizeof(kcontrol->id.name)))
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
else
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = data->vcount;
uinfo->value.integer.min = platform_min;
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 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 device *codec_dev = snd_soc_dapm_to_dev(widget->dapm);
struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
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;
bundle = to_gb_bundle(module->dev);
if (data->vcount == 2)
dev_warn(codec_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;
}
ucontrol->value.integer.value[0] =
le32_to_cpu(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 device *codec_dev = snd_soc_dapm_to_dev(widget->dapm);
struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
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(codec_dev,
"GB: Control '%s' is stereo, which is not supported\n",
kcontrol->id.name);
max = le32_to_cpu(info->value.integer.max);
mask = (1 << fls(max)) - 1;
val = ucontrol->value.integer.value[0] & mask;
connect = !!val;
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);
if (ret)
goto exit;
if (le32_to_cpu(gbvalue.value.integer_value[0]) != val) {
for (wi = 0; wi < wlist->num_widgets; wi++) {
widget = wlist->widgets[wi];
snd_soc_dapm_mixer_update_power(widget->dapm, kcontrol,
connect, NULL);
}
gbvalue.value.integer_value[0] =
cpu_to_le32(ucontrol->value.integer.value[0]);
ret = gb_audio_gb_set_control(module->mgmt_connection,
data->ctl_id,
GB_AUDIO_INVALID_INDEX, &gbvalue);
}
exit:
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)
{
return 0;
}
static int gbcodec_event_hp(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
return 0;
}
static int gbcodec_event_int_mic(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
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_component *comp = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
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(comp->dev, "%d:Error in %s for %s\n", ret,
__func__, kcontrol->id.name);
return ret;
}
ucontrol->value.enumerated.item[0] =
le32_to_cpu(gbvalue.value.enumerated_item[0]);
if (e->shift_l != e->shift_r)
ucontrol->value.enumerated.item[1] =
le32_to_cpu(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_component *comp = snd_kcontrol_chip(kcontrol);
struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_audio_ctl_elem_value gbvalue;
struct gbaudio_module_info *module;
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->items - 1)
return -EINVAL;
gbvalue.value.enumerated_item[0] =
cpu_to_le32(ucontrol->value.enumerated.item[0]);
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1] > e->items - 1)
return -EINVAL;
gbvalue.value.enumerated_item[1] =
cpu_to_le32(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(comp->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;
gbe->items = le32_to_cpu(gb_enum->items);
gbe->texts = gb_generate_enum_strings(gb, gb_enum);
if (!gbe->texts)
return -ENOMEM;
dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gbe->items,
le16_to_cpu(gb_enum->names_length));
for (i = 0; i < gbe->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 (__force int)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 = le16_to_cpu(ctl->data_cport);
ctldata->access = le32_to_cpu(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 device *codec_dev = snd_soc_dapm_to_dev(widget->dapm);
struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
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] = le32_to_cpu(gbvalue.value.enumerated_item[0]);
if (e->shift_l != e->shift_r)
ucontrol->value.enumerated.item[1] =
le32_to_cpu(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;
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 device *codec_dev = snd_soc_dapm_to_dev(widget->dapm);
struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct gb_bundle *bundle;
if (ucontrol->value.enumerated.item[0] > e->items - 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;
if (le32_to_cpu(gbvalue.value.enumerated_item[0]) !=
ucontrol->value.enumerated.item[0]) {
change = 1;
gbvalue.value.enumerated_item[0] =
cpu_to_le32(ucontrol->value.enumerated.item[0]);
}
if (e->shift_l != e->shift_r) {
if (ucontrol->value.enumerated.item[1] > e->items - 1)
return -EINVAL;
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
if (le32_to_cpu(gbvalue.value.enumerated_item[1]) !=
ucontrol->value.enumerated.item[1]) {
change = 1;
gbvalue.value.enumerated_item[1] =
cpu_to_le32(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];
snd_soc_dapm_mux_update_power(widget->dapm, kcontrol,
val, e, NULL);
}
}
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;
gbe->items = le32_to_cpu(gb_enum->items);
gbe->texts = gb_generate_enum_strings(gb, gb_enum);
if (!gbe->texts)
return -ENOMEM;
dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gbe->items,
le16_to_cpu(gb_enum->names_length));
for (i = 0; i < gbe->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 = le16_to_cpu(ctl->data_cport);
ctldata->access = le32_to_cpu(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 (__force int)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 device *codec_dev = snd_soc_dapm_to_dev(w->dapm);
struct gbaudio_codec_info *gbcodec = dev_get_drvdata(codec_dev);
struct gbaudio_module_info *module;
struct gb_bundle *bundle;
dev_dbg(codec_dev, "%s %s %d\n", __func__, w->name, event);
module = find_gb_module(gbcodec, w->name);
if (!module)
return -EINVAL;
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 const struct snd_soc_dapm_widget gbaudio_widgets[] = {
[snd_soc_dapm_spk] = SND_SOC_DAPM_SPK(NULL, gbcodec_event_spk),
[snd_soc_dapm_hp] = SND_SOC_DAPM_HP(NULL, gbcodec_event_hp),
[snd_soc_dapm_mic] = SND_SOC_DAPM_MIC(NULL, gbcodec_event_int_mic),
[snd_soc_dapm_output] = SND_SOC_DAPM_OUTPUT(NULL),
[snd_soc_dapm_input] = SND_SOC_DAPM_INPUT(NULL),
[snd_soc_dapm_switch] = SND_SOC_DAPM_SWITCH_E(NULL, SND_SOC_NOPM,
0, 0, NULL,
gbaudio_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
[snd_soc_dapm_pga] = SND_SOC_DAPM_PGA_E(NULL, SND_SOC_NOPM,
0, 0, NULL, 0,
gbaudio_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
[snd_soc_dapm_mixer] = SND_SOC_DAPM_MIXER_E(NULL, SND_SOC_NOPM,
0, 0, NULL, 0,
gbaudio_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
[snd_soc_dapm_mux] = SND_SOC_DAPM_MUX_E(NULL, SND_SOC_NOPM,
0, 0, NULL,
gbaudio_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
[snd_soc_dapm_aif_in] = SND_SOC_DAPM_AIF_IN_E(NULL, NULL, 0,
SND_SOC_NOPM, 0, 0,
gbaudio_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
[snd_soc_dapm_aif_out] = SND_SOC_DAPM_AIF_OUT_E(NULL, NULL, 0,
SND_SOC_NOPM, 0, 0,
gbaudio_widget_event,
SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMD),
};
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, "Invalid kcontrol count=%d for %s\n",
w->ncontrols, w->name);
return ret;
}
if (w->ncontrols) {
size = sizeof(struct snd_kcontrol_new) * w->ncontrols;
widget_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
if (!widget_kctls)
return -ENOMEM;
}
*w_size = sizeof(struct gb_audio_widget);
curr = w->ctl;
for (i = 0; i < w->ncontrols; i++) {
ret = gbaudio_tplg_create_wcontrol(module, &widget_kctls[i],
curr);
if (ret) {
dev_err(module->dev,
"%s:%d type widget_ctl not supported\n",
curr->name, curr->iface);
goto error;
}
control = devm_kzalloc(module->dev,
sizeof(struct gbaudio_control),
GFP_KERNEL);
if (!control) {
ret = -ENOMEM;
goto error;
}
control->id = curr->id;
control->name = curr->name;
control->wname = w->name;
if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
struct gb_audio_enumerated *gbenum =
&curr->info.value.enumerated;
csize = offsetof(struct gb_audio_control, info);
csize += offsetof(struct gb_audio_ctl_elem_info, value);
csize += offsetof(struct gb_audio_enumerated, names);
csize += le16_to_cpu(gbenum->names_length);
control->texts = (const char * const *)
gb_generate_enum_strings(module, gbenum);
if (!control->texts) {
ret = -ENOMEM;
goto error;
}
control->items = le32_to_cpu(gbenum->items);
} else {
csize = sizeof(struct gb_audio_control);
}
*w_size += csize;
curr = (void *)curr + csize;
list_add(&control->list, &module->widget_ctl_list);
dev_dbg(module->dev, "%s: control of type %d created\n",
widget_kctls[i].name, widget_kctls[i].iface);
}
strscpy(temp_name, w->name, sizeof(temp_name));
snprintf(w->name, sizeof(w->name), "GB %d %s", module->dev_id, temp_name);
switch (w->type) {
case snd_soc_dapm_spk:
*dw = gbaudio_widgets[w->type];
module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
break;
case snd_soc_dapm_hp:
*dw = gbaudio_widgets[w->type];
module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
| GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
break;
case snd_soc_dapm_mic:
*dw = gbaudio_widgets[w->type];
module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
break;
case snd_soc_dapm_output:
case snd_soc_dapm_input:
case snd_soc_dapm_switch:
case snd_soc_dapm_pga:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mux:
*dw = gbaudio_widgets[w->type];
break;
case snd_soc_dapm_aif_in:
case snd_soc_dapm_aif_out:
*dw = gbaudio_widgets[w->type];
dw->sname = w->sname;
break;
default:
ret = -EINVAL;
goto error;
}
dw->name = w->name;
dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
dw->id);
return 0;
error:
list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
list) {
list_del(&control->list);
devm_kfree(module->dev, control);
}
return ret;
}
static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module,
struct gb_audio_control *controls)
{
int i, csize, ret;
struct snd_kcontrol_new *dapm_kctls;
struct gb_audio_control *curr;
struct gbaudio_control *control, *_control;
size_t size;
char temp_name[NAME_SIZE];
size = sizeof(struct snd_kcontrol_new) * module->num_controls;
dapm_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
if (!dapm_kctls)
return -ENOMEM;
curr = controls;
for (i = 0; i < module->num_controls; i++) {
ret = gbaudio_tplg_create_kcontrol(module, &dapm_kctls[i],
curr);
if (ret) {
dev_err(module->dev, "%s:%d type not supported\n",
curr->name, curr->iface);
goto error;
}
control = devm_kzalloc(module->dev, sizeof(struct
gbaudio_control),
GFP_KERNEL);
if (!control) {
ret = -ENOMEM;
goto error;
}
control->id = curr->id;
strscpy(temp_name, curr->name, sizeof(temp_name));
snprintf(curr->name, sizeof(curr->name), "GB %d %s", module->dev_id,
temp_name);
control->name = curr->name;
if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
struct gb_audio_enumerated *gbenum =
&curr->info.value.enumerated;
csize = offsetof(struct gb_audio_control, info);
csize += offsetof(struct gb_audio_ctl_elem_info, value);
csize += offsetof(struct gb_audio_enumerated, names);
csize += le16_to_cpu(gbenum->names_length);
control->texts = (const char * const *)
gb_generate_enum_strings(module, gbenum);
if (!control->texts) {
ret = -ENOMEM;
goto error;
}
control->items = le32_to_cpu(gbenum->items);
} else {
csize = sizeof(struct gb_audio_control);
}
list_add(&control->list, &module->ctl_list);
dev_dbg(module->dev, "%d:%s created of type %d\n", curr->id,
curr->name, curr->info.type);
curr = (void *)curr + csize;
}
module->controls = dapm_kctls;
return 0;
error:
list_for_each_entry_safe(control, _control, &module->ctl_list,
list) {
list_del(&control->list);
devm_kfree(module->dev, control);
}
devm_kfree(module->dev, dapm_kctls);
return ret;
}
static int gbaudio_tplg_process_widgets(struct gbaudio_module_info *module,
struct gb_audio_widget *widgets)
{
int i, ret, w_size;
struct snd_soc_dapm_widget *dapm_widgets;
struct gb_audio_widget *curr;
struct gbaudio_widget *widget, *_widget;
size_t size;
size = sizeof(struct snd_soc_dapm_widget) * module->num_dapm_widgets;
dapm_widgets = devm_kzalloc(module->dev, size, GFP_KERNEL);
if (!dapm_widgets)
return -ENOMEM;
curr = widgets;
for (i = 0; i < module->num_dapm_widgets; i++) {
ret = gbaudio_tplg_create_widget(module, &dapm_widgets[i],
curr, &w_size);
if (ret) {
dev_err(module->dev, "%s:%d type not supported\n",
curr->name, curr->type);
goto error;
}
widget = devm_kzalloc(module->dev, sizeof(struct
gbaudio_widget),
GFP_KERNEL);
if (!widget) {
ret = -ENOMEM;
goto error;
}
widget->id = curr->id;
widget->name = curr->name;
list_add(&widget->list, &module->widget_list);
curr = (void *)curr + w_size;
}
module->dapm_widgets = dapm_widgets;
return 0;
error:
list_for_each_entry_safe(widget, _widget, &module->widget_list,
list) {
list_del(&widget->list);
devm_kfree(module->dev, widget);
}
devm_kfree(module->dev, dapm_widgets);
return ret;
}
static int gbaudio_tplg_process_routes(struct gbaudio_module_info *module,
struct gb_audio_route *routes)
{
int i, ret;
struct snd_soc_dapm_route *dapm_routes;
struct gb_audio_route *curr;
size_t size;
size = sizeof(struct snd_soc_dapm_route) * module->num_dapm_routes;
dapm_routes = devm_kzalloc(module->dev, size, GFP_KERNEL);
if (!dapm_routes)
return -ENOMEM;
module->dapm_routes = dapm_routes;
curr = routes;
for (i = 0; i < module->num_dapm_routes; i++) {
dapm_routes->sink =
gbaudio_map_widgetid(module, curr->destination_id);
if (!dapm_routes->sink) {
dev_err(module->dev, "%d:%d:%d:%d - Invalid sink\n",
curr->source_id, curr->destination_id,
curr->control_id, curr->index);
ret = -EINVAL;
goto error;
}
dapm_routes->source =
gbaudio_map_widgetid(module, curr->source_id);
if (!dapm_routes->source) {
dev_err(module->dev, "%d:%d:%d:%d - Invalid source\n",
curr->source_id, curr->destination_id,
curr->control_id, curr->index);
ret = -EINVAL;
goto error;
}
dapm_routes->control =
gbaudio_map_controlid(module,
curr->control_id,
curr->index);
if ((curr->control_id != GBAUDIO_INVALID_ID) &&
!dapm_routes->control) {
dev_err(module->dev, "%d:%d:%d:%d - Invalid control\n",
curr->source_id, curr->destination_id,
curr->control_id, curr->index);
ret = -EINVAL;
goto error;
}
dev_dbg(module->dev, "Route {%s, %s, %s}\n", dapm_routes->sink,
(dapm_routes->control) ? dapm_routes->control : "NULL",
dapm_routes->source);
dapm_routes++;
curr++;
}
return 0;
error:
devm_kfree(module->dev, module->dapm_routes);
return ret;
}
static int gbaudio_tplg_process_header(struct gbaudio_module_info *module,
struct gb_audio_topology *tplg_data)
{
module->num_controls = tplg_data->num_controls;
module->num_dapm_widgets = tplg_data->num_widgets;
module->num_dapm_routes = tplg_data->num_routes;
module->dai_offset = (unsigned long)&tplg_data->data;
module->control_offset = module->dai_offset +
le32_to_cpu(tplg_data->size_dais);
module->widget_offset = module->control_offset +
le32_to_cpu(tplg_data->size_controls);
module->route_offset = module->widget_offset +
le32_to_cpu(tplg_data->size_widgets);
dev_dbg(module->dev, "DAI offset is 0x%lx\n", module->dai_offset);
dev_dbg(module->dev, "control offset is %lx\n",
module->control_offset);
dev_dbg(module->dev, "widget offset is %lx\n", module->widget_offset);
dev_dbg(module->dev, "route offset is %lx\n", module->route_offset);
return 0;
}
int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
struct gb_audio_topology *tplg_data)
{
int ret;
struct gb_audio_control *controls;
struct gb_audio_widget *widgets;
struct gb_audio_route *routes;
unsigned int jack_type;
if (!tplg_data)
return -EINVAL;
ret = gbaudio_tplg_process_header(module, tplg_data);
if (ret) {
dev_err(module->dev, "%d: Error in parsing topology header\n",
ret);
return ret;
}
controls = (struct gb_audio_control *)module->control_offset;
ret = gbaudio_tplg_process_kcontrols(module, controls);
if (ret) {
dev_err(module->dev,
"%d: Error in parsing controls data\n", ret);
return ret;
}
dev_dbg(module->dev, "Control parsing finished\n");
widgets = (struct gb_audio_widget *)module->widget_offset;
ret = gbaudio_tplg_process_widgets(module, widgets);
if (ret) {
dev_err(module->dev,
"%d: Error in parsing widgets data\n", ret);
return ret;
}
dev_dbg(module->dev, "Widget parsing finished\n");
routes = (struct gb_audio_route *)module->route_offset;
ret = gbaudio_tplg_process_routes(module, routes);
if (ret) {
dev_err(module->dev,
"%d: Error in parsing routes data\n", ret);
return ret;
}
dev_dbg(module->dev, "Route parsing finished\n");
jack_type = le32_to_cpu(tplg_data->jack_type);
if (jack_type) {
module->jack_mask = jack_type & GBCODEC_JACK_MASK;
module->button_mask = jack_type & GBCODEC_JACK_BUTTON_MASK;
}
return ret;
}
void gbaudio_tplg_release(struct gbaudio_module_info *module)
{
struct gbaudio_control *control, *_control;
struct gbaudio_widget *widget, *_widget;
if (!module->topology)
return;
list_for_each_entry_safe(control, _control, &module->ctl_list,
list) {
list_del(&control->list);
devm_kfree(module->dev, control);
}
if (module->controls)
devm_kfree(module->dev, module->controls);
list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
list) {
list_del(&control->list);
devm_kfree(module->dev, control);
}
list_for_each_entry_safe(widget, _widget, &module->widget_list,
list) {
list_del(&widget->list);
devm_kfree(module->dev, widget);
}
if (module->dapm_widgets)
devm_kfree(module->dev, module->dapm_widgets);
if (module->dapm_routes)
devm_kfree(module->dev, module->dapm_routes);
}
