// SPDX-License-Identifier: GPL-2.0
/*
* Copyright ( C ) 2020 Texas Instruments Incorporated - http : //www.ti.com
* Author : Peter Ujfalusi < peter . ujfalusi @ ti . com >
*/
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "davinci-mcasp.h"
/*
* Maximum number of configuration entries for prefixes :
* CPB : 2 ( mcasp10 + codec )
* IVI : 3 ( mcasp0 + 2 x codec )
*/
#define J721E_CODEC_CONF_COUNT 5
enum j721e_audio_domain_id {
J721E_AUDIO_DOMAIN_CPB = 0 ,
J721E_AUDIO_DOMAIN_IVI,
J721E_AUDIO_DOMAIN_LAST,
};
#define J721E_CLK_PARENT_48000 0
#define J721E_CLK_PARENT_44100 1
#define J721E_MAX_CLK_HSDIV 128
#define PCM1368A_MAX_SYSCLK 36864000
#define J721E_DAI_FMT (SND_SOC_DAIFMT_RIGHT_J | \
SND_SOC_DAIFMT_NB_NF | \
SND_SOC_DAIFMT_CBC_CFC)
enum j721e_board_type {
J721E_BOARD_CPB = 1 ,
J721E_BOARD_CPB_IVI,
};
struct j721e_audio_match_data {
enum j721e_board_type board_type;
int num_links;
unsigned int pll_rates[2 ];
};
static unsigned int ratios_for_pcm3168a[] = {
256 ,
512 ,
768 ,
};
struct j721e_audio_clocks {
struct clk *target;
struct clk *parent[2 ];
};
struct j721e_audio_domain {
struct j721e_audio_clocks codec;
struct j721e_audio_clocks mcasp;
int parent_clk_id;
int active;
unsigned int active_link;
unsigned int rate;
};
struct j721e_priv {
struct device *dev;
struct snd_soc_card card;
struct snd_soc_dai_link *dai_links;
struct snd_soc_codec_conf codec_conf[J721E_CODEC_CONF_COUNT];
struct snd_interval rate_range;
const struct j721e_audio_match_data *match_data;
u32 pll_rates[2 ];
unsigned int hsdiv_rates[2 ];
struct j721e_audio_domain audio_domains[J721E_AUDIO_DOMAIN_LAST];
struct mutex mutex;
};
static const struct snd_soc_dapm_widget j721e_cpb_dapm_widgets[] = {
SND_SOC_DAPM_HP("CPB Stereo HP 1" , NULL),
SND_SOC_DAPM_HP("CPB Stereo HP 2" , NULL),
SND_SOC_DAPM_HP("CPB Stereo HP 3" , NULL),
SND_SOC_DAPM_LINE("CPB Line Out" , NULL),
SND_SOC_DAPM_MIC("CPB Stereo Mic 1" , NULL),
SND_SOC_DAPM_MIC("CPB Stereo Mic 2" , NULL),
SND_SOC_DAPM_LINE("CPB Line In" , NULL),
};
static const struct snd_soc_dapm_route j721e_cpb_dapm_routes[] = {
{"CPB Stereo HP 1" , NULL, "codec-1 AOUT1L" },
{"CPB Stereo HP 1" , NULL, "codec-1 AOUT1R" },
{"CPB Stereo HP 2" , NULL, "codec-1 AOUT2L" },
{"CPB Stereo HP 2" , NULL, "codec-1 AOUT2R" },
{"CPB Stereo HP 3" , NULL, "codec-1 AOUT3L" },
{"CPB Stereo HP 3" , NULL, "codec-1 AOUT3R" },
{"CPB Line Out" , NULL, "codec-1 AOUT4L" },
{"CPB Line Out" , NULL, "codec-1 AOUT4R" },
{"codec-1 AIN1L" , NULL, "CPB Stereo Mic 1" },
{"codec-1 AIN1R" , NULL, "CPB Stereo Mic 1" },
{"codec-1 AIN2L" , NULL, "CPB Stereo Mic 2" },
{"codec-1 AIN2R" , NULL, "CPB Stereo Mic 2" },
{"codec-1 AIN3L" , NULL, "CPB Line In" },
{"codec-1 AIN3R" , NULL, "CPB Line In" },
};
static const struct snd_soc_dapm_widget j721e_ivi_codec_a_dapm_widgets[] = {
SND_SOC_DAPM_LINE("IVI A Line Out 1" , NULL),
SND_SOC_DAPM_LINE("IVI A Line Out 2" , NULL),
SND_SOC_DAPM_LINE("IVI A Line Out 3" , NULL),
SND_SOC_DAPM_LINE("IVI A Line Out 4" , NULL),
SND_SOC_DAPM_MIC("IVI A Stereo Mic 1" , NULL),
SND_SOC_DAPM_MIC("IVI A Stereo Mic 2" , NULL),
SND_SOC_DAPM_LINE("IVI A Line In" , NULL),
};
static const struct snd_soc_dapm_route j721e_codec_a_dapm_routes[] = {
{"IVI A Line Out 1" , NULL, "codec-a AOUT1L" },
{"IVI A Line Out 1" , NULL, "codec-a AOUT1R" },
{"IVI A Line Out 2" , NULL, "codec-a AOUT2L" },
{"IVI A Line Out 2" , NULL, "codec-a AOUT2R" },
{"IVI A Line Out 3" , NULL, "codec-a AOUT3L" },
{"IVI A Line Out 3" , NULL, "codec-a AOUT3R" },
{"IVI A Line Out 4" , NULL, "codec-a AOUT4L" },
{"IVI A Line Out 4" , NULL, "codec-a AOUT4R" },
{"codec-a AIN1L" , NULL, "IVI A Stereo Mic 1" },
{"codec-a AIN1R" , NULL, "IVI A Stereo Mic 1" },
{"codec-a AIN2L" , NULL, "IVI A Stereo Mic 2" },
{"codec-a AIN2R" , NULL, "IVI A Stereo Mic 2" },
{"codec-a AIN3L" , NULL, "IVI A Line In" },
{"codec-a AIN3R" , NULL, "IVI A Line In" },
};
static const struct snd_soc_dapm_widget j721e_ivi_codec_b_dapm_widgets[] = {
SND_SOC_DAPM_LINE("IVI B Line Out 1" , NULL),
SND_SOC_DAPM_LINE("IVI B Line Out 2" , NULL),
SND_SOC_DAPM_LINE("IVI B Line Out 3" , NULL),
SND_SOC_DAPM_LINE("IVI B Line Out 4" , NULL),
SND_SOC_DAPM_MIC("IVI B Stereo Mic 1" , NULL),
SND_SOC_DAPM_MIC("IVI B Stereo Mic 2" , NULL),
SND_SOC_DAPM_LINE("IVI B Line In" , NULL),
};
static const struct snd_soc_dapm_route j721e_codec_b_dapm_routes[] = {
{"IVI B Line Out 1" , NULL, "codec-b AOUT1L" },
{"IVI B Line Out 1" , NULL, "codec-b AOUT1R" },
{"IVI B Line Out 2" , NULL, "codec-b AOUT2L" },
{"IVI B Line Out 2" , NULL, "codec-b AOUT2R" },
{"IVI B Line Out 3" , NULL, "codec-b AOUT3L" },
{"IVI B Line Out 3" , NULL, "codec-b AOUT3R" },
{"IVI B Line Out 4" , NULL, "codec-b AOUT4L" },
{"IVI B Line Out 4" , NULL, "codec-b AOUT4R" },
{"codec-b AIN1L" , NULL, "IVI B Stereo Mic 1" },
{"codec-b AIN1R" , NULL, "IVI B Stereo Mic 1" },
{"codec-b AIN2L" , NULL, "IVI B Stereo Mic 2" },
{"codec-b AIN2R" , NULL, "IVI B Stereo Mic 2" },
{"codec-b AIN3L" , NULL, "IVI B Line In" },
{"codec-b AIN3R" , NULL, "IVI B Line In" },
};
static int j721e_configure_refclk(struct j721e_priv *priv,
unsigned int audio_domain, unsigned int rate)
{
struct j721e_audio_domain *domain = &priv->audio_domains[audio_domain];
unsigned int scki;
int ret = -EINVAL;
int i, clk_id;
if (!(rate % 8000 ) && priv->pll_rates[J721E_CLK_PARENT_48000])
clk_id = J721E_CLK_PARENT_48000;
else if (!(rate % 11025 ) && priv->pll_rates[J721E_CLK_PARENT_44100])
clk_id = J721E_CLK_PARENT_44100;
else if (!(rate % 11025 ) && priv->pll_rates[J721E_CLK_PARENT_48000])
clk_id = J721E_CLK_PARENT_48000;
else
return ret;
for (i = 0 ; i < ARRAY_SIZE(ratios_for_pcm3168a); i++) {
scki = ratios_for_pcm3168a[i] * rate;
if (priv->pll_rates[clk_id] / scki <= J721E_MAX_CLK_HSDIV) {
ret = 0 ;
break ;
}
}
if (ret) {
dev_err(priv->dev, "No valid clock configuration for %u Hz\n" ,
rate);
return ret;
}
if (domain->parent_clk_id == -1 || priv->hsdiv_rates[domain->parent_clk_id] != scki) {
dev_dbg(priv->dev,
"domain%u configuration for %u Hz: %s, %dxFS (SCKI: %u Hz)\n" ,
audio_domain, rate,
clk_id == J721E_CLK_PARENT_48000 ? "PLL4" : "PLL15" ,
ratios_for_pcm3168a[i], scki);
if (domain->parent_clk_id != clk_id) {
ret = clk_set_parent(domain->codec.target,
domain->codec.parent[clk_id]);
if (ret)
return ret;
ret = clk_set_parent(domain->mcasp.target,
domain->mcasp.parent[clk_id]);
if (ret)
return ret;
domain->parent_clk_id = clk_id;
}
ret = clk_set_rate(domain->codec.target, scki);
if (ret) {
dev_err(priv->dev, "codec set rate failed for %u Hz\n" ,
scki);
return ret;
}
ret = clk_set_rate(domain->mcasp.target, scki);
if (!ret) {
priv->hsdiv_rates[domain->parent_clk_id] = scki;
} else {
dev_err(priv->dev, "mcasp set rate failed for %u Hz\n" ,
scki);
return ret;
}
}
return ret;
}
static int j721e_rule_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_interval *t = rule->private ;
return snd_interval_refine(hw_param_interval(params, rule->var), t);
}
static int j721e_audio_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card);
unsigned int domain_id = rtd->dai_link->id;
struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0 );
struct snd_soc_dai *codec_dai;
unsigned int active_rate;
int ret = 0 ;
int i;
mutex_lock(&priv->mutex);
domain->active++;
for (i = 0 ; i < J721E_AUDIO_DOMAIN_LAST; i++) {
active_rate = priv->audio_domains[i].rate;
if (active_rate)
break ;
}
if (active_rate)
ret = snd_pcm_hw_constraint_single(substream->runtime,
SNDRV_PCM_HW_PARAM_RATE,
active_rate);
else
ret = snd_pcm_hw_rule_add(substream->runtime, 0 ,
SNDRV_PCM_HW_PARAM_RATE,
j721e_rule_rate, &priv->rate_range,
SNDRV_PCM_HW_PARAM_RATE, -1 );
if (ret)
goto out;
/* Reset TDM slots to 32 */
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0 x3, 0 x3, 2 , 32 );
if (ret && ret != -ENOTSUPP)
goto out;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0 x3, 0 x3, 2 , 32 );
if (ret && ret != -ENOTSUPP)
goto out;
}
if (ret == -ENOTSUPP)
ret = 0 ;
out:
if (ret)
domain->active--;
mutex_unlock(&priv->mutex);
return ret;
}
static int j721e_audio_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct j721e_priv *priv = snd_soc_card_get_drvdata(card);
unsigned int domain_id = rtd->dai_link->id;
struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0 );
struct snd_soc_dai *codec_dai;
unsigned int sysclk_rate;
int slot_width = 32 ;
int ret;
int i;
mutex_lock(&priv->mutex);
if (domain->rate && domain->rate != params_rate(params)) {
ret = -EINVAL;
goto out;
}
if (params_width(params) == 16 )
slot_width = 16 ;
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0 x3, 0 x3, 2 , slot_width);
if (ret && ret != -ENOTSUPP)
goto out;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0 x3, 0 x3, 2 ,
slot_width);
if (ret && ret != -ENOTSUPP)
goto out;
}
ret = j721e_configure_refclk(priv, domain_id, params_rate(params));
if (ret)
goto out;
sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id];
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_sysclk(codec_dai, 0 , sysclk_rate,
SND_SOC_CLOCK_IN);
if (ret && ret != -ENOTSUPP) {
dev_err(priv->dev,
"codec set_sysclk failed for %u Hz\n" ,
sysclk_rate);
goto out;
}
}
ret = snd_soc_dai_set_sysclk(cpu_dai, MCASP_CLK_HCLK_AUXCLK,
sysclk_rate, SND_SOC_CLOCK_IN);
if (ret && ret != -ENOTSUPP) {
dev_err(priv->dev, "mcasp set_sysclk failed for %u Hz\n" ,
sysclk_rate);
} else {
domain->rate = params_rate(params);
ret = 0 ;
}
out:
mutex_unlock(&priv->mutex);
return ret;
}
static void j721e_audio_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card);
unsigned int domain_id = rtd->dai_link->id;
struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
mutex_lock(&priv->mutex);
domain->active--;
if (!domain->active) {
domain->rate = 0 ;
domain->active_link = 0 ;
}
mutex_unlock(&priv->mutex);
}
static const struct snd_soc_ops j721e_audio_ops = {
.startup = j721e_audio_startup,
.hw_params = j721e_audio_hw_params,
.shutdown = j721e_audio_shutdown,
};
static int j721e_audio_init(struct snd_soc_pcm_runtime *rtd)
{
struct j721e_priv *priv = snd_soc_card_get_drvdata(rtd->card);
unsigned int domain_id = rtd->dai_link->id;
struct j721e_audio_domain *domain = &priv->audio_domains[domain_id];
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0 );
struct snd_soc_dai *codec_dai;
unsigned int sysclk_rate;
int i, ret;
/* Set up initial clock configuration */
ret = j721e_configure_refclk(priv, domain_id, 48000 );
if (ret)
return ret;
sysclk_rate = priv->hsdiv_rates[domain->parent_clk_id];
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_sysclk(codec_dai, 0 , sysclk_rate,
SND_SOC_CLOCK_IN);
if (ret && ret != -ENOTSUPP)
return ret;
}
ret = snd_soc_dai_set_sysclk(cpu_dai, MCASP_CLK_HCLK_AUXCLK,
sysclk_rate, SND_SOC_CLOCK_IN);
if (ret && ret != -ENOTSUPP)
return ret;
/* Set initial tdm slots */
ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0 x3, 0 x3, 2 , 32 );
if (ret && ret != -ENOTSUPP)
return ret;
for_each_rtd_codec_dais(rtd, i, codec_dai) {
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0 x3, 0 x3, 2 , 32 );
if (ret && ret != -ENOTSUPP)
return ret;
}
return 0 ;
}
static int j721e_audio_init_ivi(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_dapm_context *dapm = &rtd->card->dapm;
snd_soc_dapm_new_controls(dapm, j721e_ivi_codec_a_dapm_widgets,
ARRAY_SIZE(j721e_ivi_codec_a_dapm_widgets));
snd_soc_dapm_add_routes(dapm, j721e_codec_a_dapm_routes,
ARRAY_SIZE(j721e_codec_a_dapm_routes));
snd_soc_dapm_new_controls(dapm, j721e_ivi_codec_b_dapm_widgets,
ARRAY_SIZE(j721e_ivi_codec_b_dapm_widgets));
snd_soc_dapm_add_routes(dapm, j721e_codec_b_dapm_routes,
ARRAY_SIZE(j721e_codec_b_dapm_routes));
return j721e_audio_init(rtd);
}
static int j721e_get_clocks(struct device *dev,
struct j721e_audio_clocks *clocks, char *prefix)
{
struct clk *parent;
char *clk_name;
int ret;
clocks->target = devm_clk_get(dev, prefix);
if (IS_ERR(clocks->target))
return dev_err_probe(dev, PTR_ERR(clocks->target),
"failed to acquire %s\n" , prefix);
clk_name = kasprintf(GFP_KERNEL, "%s-48000" , prefix);
if (clk_name) {
parent = devm_clk_get(dev, clk_name);
kfree(clk_name);
if (IS_ERR(parent)) {
ret = PTR_ERR(parent);
if (ret == -EPROBE_DEFER)
return ret;
dev_dbg(dev, "no 48KHz parent for %s: %d\n" , prefix, ret);
parent = NULL;
}
clocks->parent[J721E_CLK_PARENT_48000] = parent;
} else {
return -ENOMEM;
}
clk_name = kasprintf(GFP_KERNEL, "%s-44100" , prefix);
if (clk_name) {
parent = devm_clk_get(dev, clk_name);
kfree(clk_name);
if (IS_ERR(parent)) {
ret = PTR_ERR(parent);
if (ret == -EPROBE_DEFER)
return ret;
dev_dbg(dev, "no 44.1KHz parent for %s: %d\n" , prefix, ret);
parent = NULL;
}
clocks->parent[J721E_CLK_PARENT_44100] = parent;
} else {
return -ENOMEM;
}
if (!clocks->parent[J721E_CLK_PARENT_44100] &&
!clocks->parent[J721E_CLK_PARENT_48000]) {
dev_err(dev, "At least one parent clock is needed for %s\n" ,
prefix);
return -EINVAL;
}
return 0 ;
}
static const struct j721e_audio_match_data j721e_cpb_data = {
.board_type = J721E_BOARD_CPB,
.num_links = 2 , /* CPB pcm3168a */
.pll_rates = {
[J721E_CLK_PARENT_44100] = 1083801600 , /* PLL15 */
[J721E_CLK_PARENT_48000] = 1179648000 , /* PLL4 */
},
};
static const struct j721e_audio_match_data j721e_cpb_ivi_data = {
.board_type = J721E_BOARD_CPB_IVI,
.num_links = 4 , /* CPB pcm3168a + 2x pcm3168a on IVI */
.pll_rates = {
[J721E_CLK_PARENT_44100] = 1083801600 , /* PLL15 */
[J721E_CLK_PARENT_48000] = 1179648000 , /* PLL4 */
},
};
static const struct j721e_audio_match_data j7200_cpb_data = {
.board_type = J721E_BOARD_CPB,
.num_links = 2 , /* CPB pcm3168a */
.pll_rates = {
[J721E_CLK_PARENT_48000] = 2359296000 u, /* PLL4 */
},
};
static const struct of_device_id j721e_audio_of_match[] = {
{
.compatible = "ti,j721e-cpb-audio" ,
.data = &j721e_cpb_data,
}, {
.compatible = "ti,j721e-cpb-ivi-audio" ,
.data = &j721e_cpb_ivi_data,
}, {
.compatible = "ti,j7200-cpb-audio" ,
.data = &j7200_cpb_data,
},
{ },
};
MODULE_DEVICE_TABLE(of, j721e_audio_of_match);
static int j721e_calculate_rate_range(struct j721e_priv *priv)
{
const struct j721e_audio_match_data *match_data = priv->match_data;
struct j721e_audio_clocks *domain_clocks;
unsigned int min_rate, max_rate, pll_rate;
struct clk *pll;
domain_clocks = &priv->audio_domains[J721E_AUDIO_DOMAIN_CPB].mcasp;
pll = clk_get_parent(domain_clocks->parent[J721E_CLK_PARENT_44100]);
if (IS_ERR_OR_NULL(pll)) {
priv->pll_rates[J721E_CLK_PARENT_44100] =
match_data->pll_rates[J721E_CLK_PARENT_44100];
} else {
priv->pll_rates[J721E_CLK_PARENT_44100] = clk_get_rate(pll);
clk_put(pll);
}
pll = clk_get_parent(domain_clocks->parent[J721E_CLK_PARENT_48000]);
if (IS_ERR_OR_NULL(pll)) {
priv->pll_rates[J721E_CLK_PARENT_48000] =
match_data->pll_rates[J721E_CLK_PARENT_48000];
} else {
priv->pll_rates[J721E_CLK_PARENT_48000] = clk_get_rate(pll);
clk_put(pll);
}
if (!priv->pll_rates[J721E_CLK_PARENT_44100] &&
!priv->pll_rates[J721E_CLK_PARENT_48000]) {
dev_err(priv->dev, "At least one PLL is needed\n" );
return -EINVAL;
}
if (priv->pll_rates[J721E_CLK_PARENT_44100])
pll_rate = priv->pll_rates[J721E_CLK_PARENT_44100];
else
pll_rate = priv->pll_rates[J721E_CLK_PARENT_48000];
min_rate = pll_rate / J721E_MAX_CLK_HSDIV;
min_rate /= ratios_for_pcm3168a[ARRAY_SIZE(ratios_for_pcm3168a) - 1 ];
if (priv->pll_rates[J721E_CLK_PARENT_48000])
pll_rate = priv->pll_rates[J721E_CLK_PARENT_48000];
else
pll_rate = priv->pll_rates[J721E_CLK_PARENT_44100];
if (pll_rate > PCM1368A_MAX_SYSCLK)
pll_rate = PCM1368A_MAX_SYSCLK;
max_rate = pll_rate / ratios_for_pcm3168a[0 ];
snd_interval_any(&priv->rate_range);
priv->rate_range.min = min_rate;
priv->rate_range.max = max_rate;
return 0 ;
}
static int j721e_soc_probe_cpb(struct j721e_priv *priv, int *link_idx,
int *conf_idx)
{
struct device_node *node = priv->dev->of_node;
struct snd_soc_dai_link_component *compnent;
struct device_node *dai_node, *codec_node;
struct j721e_audio_domain *domain;
int comp_count, comp_idx;
int ret;
dai_node = of_parse_phandle(node, "ti,cpb-mcasp" , 0 );
if (!dai_node) {
dev_err(priv->dev, "CPB McASP node is not provided\n" );
return -EINVAL;
}
codec_node = of_parse_phandle(node, "ti,cpb-codec" , 0 );
if (!codec_node) {
dev_err(priv->dev, "CPB codec node is not provided\n" );
ret = -EINVAL;
goto put_dai_node;
}
domain = &priv->audio_domains[J721E_AUDIO_DOMAIN_CPB];
ret = j721e_get_clocks(priv->dev, &domain->codec, "cpb-codec-scki" );
if (ret)
goto put_codec_node;
ret = j721e_get_clocks(priv->dev, &domain->mcasp, "cpb-mcasp-auxclk" );
if (ret)
goto put_codec_node;
/*
* Common Processor Board , two links
* Link 1 : McASP10 - > pcm3168a_1 DAC
* Link 2 : McASP10 < - pcm3168a_1 ADC
*/
comp_count = 6 ;
compnent = devm_kcalloc(priv->dev, comp_count, sizeof (*compnent),
GFP_KERNEL);
if (!compnent) {
ret = -ENOMEM;
goto put_codec_node;
}
comp_idx = 0 ;
priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_cpus = 1 ;
priv->dai_links[*link_idx].codecs = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_codecs = 1 ;
priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_platforms = 1 ;
priv->dai_links[*link_idx].name = "CPB PCM3168A Playback" ;
priv->dai_links[*link_idx].stream_name = "CPB PCM3168A Analog" ;
priv->dai_links[*link_idx].cpus->of_node = dai_node;
priv->dai_links[*link_idx].platforms->of_node = dai_node;
priv->dai_links[*link_idx].codecs->of_node = codec_node;
priv->dai_links[*link_idx].codecs->dai_name = "pcm3168a-dac" ;
priv->dai_links[*link_idx].playback_only = 1 ;
priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_CPB;
priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
priv->dai_links[*link_idx].init = j721e_audio_init;
priv->dai_links[*link_idx].ops = &j721e_audio_ops;
(*link_idx)++;
priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_cpus = 1 ;
priv->dai_links[*link_idx].codecs = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_codecs = 1 ;
priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_platforms = 1 ;
priv->dai_links[*link_idx].name = "CPB PCM3168A Capture" ;
priv->dai_links[*link_idx].stream_name = "CPB PCM3168A Analog" ;
priv->dai_links[*link_idx].cpus->of_node = dai_node;
priv->dai_links[*link_idx].platforms->of_node = dai_node;
priv->dai_links[*link_idx].codecs->of_node = codec_node;
priv->dai_links[*link_idx].codecs->dai_name = "pcm3168a-adc" ;
priv->dai_links[*link_idx].capture_only = 1 ;
priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_CPB;
priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
priv->dai_links[*link_idx].init = j721e_audio_init;
priv->dai_links[*link_idx].ops = &j721e_audio_ops;
(*link_idx)++;
priv->codec_conf[*conf_idx].dlc.of_node = codec_node;
priv->codec_conf[*conf_idx].name_prefix = "codec-1" ;
(*conf_idx)++;
priv->codec_conf[*conf_idx].dlc.of_node = dai_node;
priv->codec_conf[*conf_idx].name_prefix = "McASP10" ;
(*conf_idx)++;
return 0 ;
put_codec_node:
of_node_put(codec_node);
put_dai_node:
of_node_put(dai_node);
return ret;
}
static int j721e_soc_probe_ivi(struct j721e_priv *priv, int *link_idx,
int *conf_idx)
{
struct device_node *node = priv->dev->of_node;
struct snd_soc_dai_link_component *compnent;
struct device_node *dai_node, *codeca_node, *codecb_node;
struct j721e_audio_domain *domain;
int comp_count, comp_idx;
int ret;
if (priv->match_data->board_type != J721E_BOARD_CPB_IVI)
return 0 ;
dai_node = of_parse_phandle(node, "ti,ivi-mcasp" , 0 );
if (!dai_node) {
dev_err(priv->dev, "IVI McASP node is not provided\n" );
return -EINVAL;
}
codeca_node = of_parse_phandle(node, "ti,ivi-codec-a" , 0 );
if (!codeca_node) {
dev_err(priv->dev, "IVI codec-a node is not provided\n" );
ret = -EINVAL;
goto put_dai_node;
}
codecb_node = of_parse_phandle(node, "ti,ivi-codec-b" , 0 );
if (!codecb_node) {
dev_warn(priv->dev, "IVI codec-b node is not provided\n" );
ret = 0 ;
goto put_codeca_node;
}
domain = &priv->audio_domains[J721E_AUDIO_DOMAIN_IVI];
ret = j721e_get_clocks(priv->dev, &domain->codec, "ivi-codec-scki" );
if (ret)
goto put_codecb_node;
ret = j721e_get_clocks(priv->dev, &domain->mcasp, "ivi-mcasp-auxclk" );
if (ret)
goto put_codecb_node;
/*
* IVI extension , two links
* Link 1 : McASP0 - > pcm3168a_a DAC
* \ > pcm3168a_b DAC
* Link 2 : McASP0 < - pcm3168a_a ADC
* \ pcm3168a_b ADC
*/
comp_count = 8 ;
compnent = devm_kcalloc(priv->dev, comp_count, sizeof (*compnent),
GFP_KERNEL);
if (!compnent) {
ret = -ENOMEM;
goto put_codecb_node;
}
comp_idx = 0 ;
priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_cpus = 1 ;
priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_platforms = 1 ;
priv->dai_links[*link_idx].codecs = &compnent[comp_idx];
priv->dai_links[*link_idx].num_codecs = 2 ;
comp_idx += 2 ;
priv->dai_links[*link_idx].name = "IVI 2xPCM3168A Playback" ;
priv->dai_links[*link_idx].stream_name = "IVI 2xPCM3168A Analog" ;
priv->dai_links[*link_idx].cpus->of_node = dai_node;
priv->dai_links[*link_idx].platforms->of_node = dai_node;
priv->dai_links[*link_idx].codecs[0 ].of_node = codeca_node;
priv->dai_links[*link_idx].codecs[0 ].dai_name = "pcm3168a-dac" ;
priv->dai_links[*link_idx].codecs[1 ].of_node = codecb_node;
priv->dai_links[*link_idx].codecs[1 ].dai_name = "pcm3168a-dac" ;
priv->dai_links[*link_idx].playback_only = 1 ;
priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_IVI;
priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
priv->dai_links[*link_idx].init = j721e_audio_init_ivi;
priv->dai_links[*link_idx].ops = &j721e_audio_ops;
(*link_idx)++;
priv->dai_links[*link_idx].cpus = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_cpus = 1 ;
priv->dai_links[*link_idx].platforms = &compnent[comp_idx++];
priv->dai_links[*link_idx].num_platforms = 1 ;
priv->dai_links[*link_idx].codecs = &compnent[comp_idx];
priv->dai_links[*link_idx].num_codecs = 2 ;
priv->dai_links[*link_idx].name = "IVI 2xPCM3168A Capture" ;
priv->dai_links[*link_idx].stream_name = "IVI 2xPCM3168A Analog" ;
priv->dai_links[*link_idx].cpus->of_node = dai_node;
priv->dai_links[*link_idx].platforms->of_node = dai_node;
priv->dai_links[*link_idx].codecs[0 ].of_node = codeca_node;
priv->dai_links[*link_idx].codecs[0 ].dai_name = "pcm3168a-adc" ;
priv->dai_links[*link_idx].codecs[1 ].of_node = codecb_node;
priv->dai_links[*link_idx].codecs[1 ].dai_name = "pcm3168a-adc" ;
priv->dai_links[*link_idx].capture_only = 1 ;
priv->dai_links[*link_idx].id = J721E_AUDIO_DOMAIN_IVI;
priv->dai_links[*link_idx].dai_fmt = J721E_DAI_FMT;
priv->dai_links[*link_idx].init = j721e_audio_init;
priv->dai_links[*link_idx].ops = &j721e_audio_ops;
(*link_idx)++;
priv->codec_conf[*conf_idx].dlc.of_node = codeca_node;
priv->codec_conf[*conf_idx].name_prefix = "codec-a" ;
(*conf_idx)++;
priv->codec_conf[*conf_idx].dlc.of_node = codecb_node;
priv->codec_conf[*conf_idx].name_prefix = "codec-b" ;
(*conf_idx)++;
priv->codec_conf[*conf_idx].dlc.of_node = dai_node;
priv->codec_conf[*conf_idx].name_prefix = "McASP0" ;
(*conf_idx)++;
return 0 ;
put_codecb_node:
of_node_put(codecb_node);
put_codeca_node:
of_node_put(codeca_node);
put_dai_node:
of_node_put(dai_node);
return ret;
}
static int j721e_soc_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct snd_soc_card *card;
const struct of_device_id *match;
struct j721e_priv *priv;
int link_cnt, conf_cnt, ret, i;
if (!node) {
dev_err(&pdev->dev, "of node is missing.\n" );
return -ENODEV;
}
match = of_match_node(j721e_audio_of_match, node);
if (!match) {
dev_err(&pdev->dev, "No compatible match found\n" );
return -ENODEV;
}
priv = devm_kzalloc(&pdev->dev, sizeof (*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->match_data = match->data;
priv->dai_links = devm_kcalloc(&pdev->dev, priv->match_data->num_links,
sizeof (*priv->dai_links), GFP_KERNEL);
if (!priv->dai_links)
return -ENOMEM;
for (i = 0 ; i < J721E_AUDIO_DOMAIN_LAST; i++)
priv->audio_domains[i].parent_clk_id = -1 ;
priv->dev = &pdev->dev;
card = &priv->card;
card->dev = &pdev->dev;
card->owner = THIS_MODULE;
card->dapm_widgets = j721e_cpb_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(j721e_cpb_dapm_widgets);
card->dapm_routes = j721e_cpb_dapm_routes;
card->num_dapm_routes = ARRAY_SIZE(j721e_cpb_dapm_routes);
card->fully_routed = 1 ;
if (snd_soc_of_parse_card_name(card, "model" )) {
dev_err(&pdev->dev, "Card name is not provided\n" );
return -ENODEV;
}
link_cnt = 0 ;
conf_cnt = 0 ;
ret = j721e_soc_probe_cpb(priv, &link_cnt, &conf_cnt);
if (ret)
return ret;
ret = j721e_soc_probe_ivi(priv, &link_cnt, &conf_cnt);
if (ret)
return ret;
card->dai_link = priv->dai_links;
card->num_links = link_cnt;
card->codec_conf = priv->codec_conf;
card->num_configs = conf_cnt;
ret = j721e_calculate_rate_range(priv);
if (ret)
return ret;
snd_soc_card_set_drvdata(card, priv);
mutex_init(&priv->mutex);
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret)
dev_err_probe(&pdev->dev, ret,
"devm_snd_soc_register_card() failed: %d\n" ,
ret);
return ret;
}
static struct platform_driver j721e_soc_driver = {
.driver = {
.name = "j721e-audio" ,
.pm = &snd_soc_pm_ops,
.of_match_table = j721e_audio_of_match,
},
.probe = j721e_soc_probe,
};
module_platform_driver(j721e_soc_driver);
MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>" );
MODULE_DESCRIPTION("ASoC machine driver for j721e Common Processor Board" );
MODULE_LICENSE("GPL v2" );
Messung V0.5 in Prozent C=96 H=93 G=94
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-10-11)
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