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/*
Copyright(c) 2014-2015 Intel Corporation
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: Mengdong Lin <mengdong.lin@intel.com>
Yao Jin <yao.jin@intel.com>
Liam Girdwood <liam.r.girdwood@linux.intel.com>
*/
#include "list.h"
#include "tplg_local.h"
/* mapping of kcontrol text names to types */
static const struct map_elem control_map[] = {
{"volsw", SND_SOC_TPLG_CTL_VOLSW},
{"volsw_sx", SND_SOC_TPLG_CTL_VOLSW_SX},
{"volsw_xr_sx", SND_SOC_TPLG_CTL_VOLSW_XR_SX},
{"enum", SND_SOC_TPLG_CTL_ENUM},
{"bytes", SND_SOC_TPLG_CTL_BYTES},
{"enum_value", SND_SOC_TPLG_CTL_ENUM_VALUE},
{"range", SND_SOC_TPLG_CTL_RANGE},
{"strobe", SND_SOC_TPLG_CTL_STROBE},
};
static int lookup_ops(const char *c)
{
int i;
long ret;
for (i = 0; i < (int)ARRAY_SIZE(control_map); i++) {
if (strcmp(control_map[i].name, c) == 0)
return control_map[i].id;
}
/* cant find string name in our table so we use its ID number */
i = safe_strtol(c, &ret);
if (i < 0) {
SNDERR("wrong kcontrol ops value string '%s'", c);
return i;
}
return ret;
}
const char *tplg_ops_name(int type)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(control_map); i++) {
if (control_map[i].id == type)
return control_map[i].name;
}
return NULL;
}
/* Parse Control operations. Ops can come from standard names above or
* bespoke driver controls with numbers >= 256
*/
int tplg_parse_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED, snd_config_t *cfg,
void *private)
{
snd_config_iterator_t i, next;
snd_config_t *n;
struct snd_soc_tplg_ctl_hdr *hdr = private;
const char *id, *value;
int ival;
tplg_dbg("\tOps");
hdr->size = sizeof(*hdr);
snd_config_for_each(i, next, cfg) {
n = snd_config_iterator_entry(i);
/* get id */
if (snd_config_get_id(n, &id) < 0)
continue;
/* get value - try strings then ints */
if (snd_config_get_type(n) == SND_CONFIG_TYPE_STRING) {
if (snd_config_get_string(n, &value) < 0)
continue;
ival = lookup_ops(value);
} else {
if (tplg_get_integer(n, &ival, 0))
continue;
}
if (strcmp(id, "info") == 0)
hdr->ops.info = ival;
else if (strcmp(id, "put") == 0)
hdr->ops.put = ival;
else if (strcmp(id, "get") == 0)
hdr->ops.get = ival;
tplg_dbg("\t\t%s = %d", id, ival);
}
return 0;
}
/* save control operations */
int tplg_save_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
struct snd_soc_tplg_ctl_hdr *hdr,
struct tplg_buf *dst, const char *pfx)
{
const char *s;
int err;
if (hdr->ops.info + hdr->ops.get + hdr->ops.put == 0)
return 0;
err = tplg_save_printf(dst, pfx, "ops.0 {\n");
if (err >= 0 && hdr->ops.info > 0) {
s = tplg_ops_name(hdr->ops.info);
if (s == NULL)
err = tplg_save_printf(dst, pfx, "\tinfo %u\n",
hdr->ops.info);
else
err = tplg_save_printf(dst, pfx, "\tinfo %s\n", s);
}
if (err >= 0 && hdr->ops.get > 0) {
s = tplg_ops_name(hdr->ops.get);
if (s == NULL)
err = tplg_save_printf(dst, pfx, "\tget %u\n",
hdr->ops.get);
else
err = tplg_save_printf(dst, pfx, "\tget %s\n", s);
}
if (err >= 0 && hdr->ops.put > 0) {
s = tplg_ops_name(hdr->ops.put);
if (s == NULL)
err = tplg_save_printf(dst, pfx, "\tput %u\n",
hdr->ops.put);
else
err = tplg_save_printf(dst, pfx, "\tput %s\n", s);
}
if (err >= 0)
err = tplg_save_printf(dst, pfx, "}\n");
return err;
}
/* Parse External Control operations. Ops can come from standard names above or
* bespoke driver controls with numbers >= 256
*/
int tplg_parse_ext_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
snd_config_t *cfg, void *private)
{
snd_config_iterator_t i, next;
snd_config_t *n;
struct snd_soc_tplg_bytes_control *be = private;
const char *id, *value;
int ival;
tplg_dbg("\tExt Ops");
snd_config_for_each(i, next, cfg) {
n = snd_config_iterator_entry(i);
/* get id */
if (snd_config_get_id(n, &id) < 0)
continue;
/* get value - try strings then ints */
if (snd_config_get_type(n) == SND_CONFIG_TYPE_STRING) {
if (snd_config_get_string(n, &value) < 0)
continue;
ival = lookup_ops(value);
} else {
if (tplg_get_integer(n, &ival, 0))
continue;
}
if (strcmp(id, "info") == 0)
be->ext_ops.info = ival;
else if (strcmp(id, "put") == 0)
be->ext_ops.put = ival;
else if (strcmp(id, "get") == 0)
be->ext_ops.get = ival;
tplg_dbg("\t\t%s = %s", id, value);
}
return 0;
}
/* save external control operations */
int tplg_save_ext_ops(snd_tplg_t *tplg ATTRIBUTE_UNUSED,
struct snd_soc_tplg_bytes_control *be,
struct tplg_buf *dst, const char *pfx)
{
const char *s;
int err;
if (be->ext_ops.info + be->ext_ops.get + be->ext_ops.put == 0)
return 0;
err = tplg_save_printf(dst, pfx, "extops.0 {\n");
if (err >= 0 && be->ext_ops.info > 0) {
s = tplg_ops_name(be->ext_ops.info);
if (s == NULL)
err = tplg_save_printf(dst, pfx, "\tinfo %u\n",
be->ext_ops.info);
else
err = tplg_save_printf(dst, pfx, "\tinfo %s\n", s);
}
if (err >= 0 && be->ext_ops.get > 0) {
s = tplg_ops_name(be->ext_ops.get);
if (s == NULL)
err = tplg_save_printf(dst, pfx, "\tget %u\n",
be->ext_ops.get);
else
err = tplg_save_printf(dst, pfx, "\tget %s\n", s);
}
if (err >= 0 && be->ext_ops.put > 0) {
s = tplg_ops_name(be->ext_ops.put);
if (s == NULL)
err = tplg_save_printf(dst, pfx, "\tput %u\n",
be->ext_ops.put);
else
err = tplg_save_printf(dst, pfx, "\tput %s\n", s);
}
if (err >= 0)
err = tplg_save_printf(dst, pfx, "}\n");
return err;
}
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