// SPDX-License-Identifier: GPL-2.0-only
//
// rt1017-sdca-sdw.c -- rt1017 SDCA ALSA SoC amplifier audio driver
//
// Copyright(c) 2023 Realtek Semiconductor Corp.
//
//
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/pm_runtime.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "rt1017-sdca-sdw.h"
static bool rt1017_sdca_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0 x2f55:
case 0 x3206:
case 0 xc000:
case 0 xc001:
case 0 xc022:
case 0 xc030:
case 0 xc104:
case 0 xc10b:
case 0 xc10c:
case 0 xc110:
case 0 xc112:
case 0 xc300:
case 0 xc301:
case 0 xc318:
case 0 xc325 ... 0 xc328:
case 0 xc331:
case 0 xc340:
case 0 xc350 ... 0 xc351:
case 0 xc500:
case 0 xc502:
case 0 xc504:
case 0 xc507:
case 0 xc509:
case 0 xc510:
case 0 xc512:
case 0 xc518:
case 0 xc51b:
case 0 xc51d:
case 0 xc520:
case 0 xc540 ... 0 xc542:
case 0 xc550 ... 0 xc552:
case 0 xc600:
case 0 xc602:
case 0 xc612:
case 0 xc622:
case 0 xc632:
case 0 xc642:
case 0 xc651:
case 0 xca00:
case 0 xca09 ... 0 xca0c:
case 0 xca0e ... 0 xca0f:
case 0 xca10 ... 0 xca11:
case 0 xca16 ... 0 xca17:
case 0 xcb00:
case 0 xcc00:
case 0 xcc02:
case 0 xd017:
case 0 xd01a ... 0 xd01c:
case 0 xd101:
case 0 xd20c:
case 0 xd300:
case 0 xd370:
case 0 xd500:
case 0 xd545 ... 0 xd548:
case 0 xd5a5 ... 0 xd5a8:
case 0 xd5aa ... 0 xd5ad:
case 0 xda04 ... 0 xda07:
case 0 xda09 ... 0 xda0a:
case 0 xda0c ... 0 xda0f:
case 0 xda11 ... 0 xda14:
case 0 xda16 ... 0 xda19:
case 0 xdab6 ... 0 xdabb:
case 0 xdb09 ... 0 xdb0a:
case 0 xdb14:
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21,
RT1017_SDCA_CTL_UDMPU_CLUSTER, 0 ):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU,
RT1017_SDCA_CTL_FU_MUTE, 0 x01):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_XU22,
RT1017_SDCA_CTL_BYPASS, 0 ):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_SAPU29,
RT1017_SDCA_CTL_PROT_STAT, 0 ):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21,
RT1017_SDCA_CTL_FS_INDEX, 0 ):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
RT1017_SDCA_CTL_REQ_POWER_STATE, 0 ):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE22,
RT1017_SDCA_CTL_REQ_POWER_STATE, 0 ):
return true ;
default :
return false ;
}
}
static bool rt1017_sdca_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0 x2f55:
case 0 xc000:
case 0 xc022:
case 0 xc351:
case 0 xc518:
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_SAPU29,
RT1017_SDCA_CTL_PROT_STAT, 0 ):
return true ;
default :
return false ;
}
}
static const struct reg_sequence rt1017_blind_write[] = {
{ 0 xc001, 0 x43 },
{ 0 x2f55, 0 x02 },
{ 0 x3206, 0 x80 },
{ 0 x005f, 0 x7f },
{ 0 xd101, 0 xa0 },
{ 0 xc112, 0 xc0 },
{ 0 xc104, 0 xaa },
{ 0 xc110, 0 x59 },
{ 0 xc112, 0 xc0 },
{ 0 xc340, 0 x80 },
{ 0 xd017, 0 x2c },
{ 0 xd01a, 0 xc8 },
{ 0 xd01b, 0 xcf },
{ 0 xd01c, 0 x0c },
{ 0 xd20c, 0 x14 },
{ 0 xdb09, 0 x0f },
{ 0 xdb0a, 0 x7f },
{ 0 xdb14, 0 x03 },
{ 0 xcb00, 0 x31 },
{ 0 xc318, 0 x44 },
{ 0 xc325, 0 xce },
{ 0 xc326, 0 x13 },
{ 0 xc327, 0 x5f },
{ 0 xc328, 0 xf3 },
{ 0 xc350, 0 xe1 },
{ 0 xc351, 0 x88 },
{ 0 xc030, 0 x14 },
{ 0 xc331, 0 xf2 },
{ 0 xc551, 0 x0f },
{ 0 xc552, 0 xff },
{ 0 xc651, 0 xc0 },
{ 0 xc550, 0 xd0 },
{ 0 xc612, 0 x00 },
{ 0 xc622, 0 x00 },
{ 0 xc632, 0 x00 },
{ 0 xc642, 0 x00 },
{ 0 xc602, 0 xf0 },
{ 0 xc600, 0 xd0 },
{ 0 xcc02, 0 x78 },
{ 0 xcc00, 0 x90 },
{ 0 xc300, 0 x3f },
{ 0 xc301, 0 x1d },
{ 0 xc10b, 0 x2e },
{ 0 xc10c, 0 x36 },
{ 0 xd5a5, 0 x00 },
{ 0 xd5a6, 0 x6a },
{ 0 xd5a7, 0 xaa },
{ 0 xd5a8, 0 xaa },
{ 0 xd5aa, 0 x00 },
{ 0 xd5ab, 0 x16 },
{ 0 xd5ac, 0 xdb },
{ 0 xd5ad, 0 x6d },
{ 0 xd545, 0 x09 },
{ 0 xd546, 0 x30 },
{ 0 xd547, 0 xf0 },
{ 0 xd548, 0 xf0 },
{ 0 xd500, 0 x20 },
{ 0 xc504, 0 x3f },
{ 0 xc540, 0 x00 },
{ 0 xc541, 0 x0a },
{ 0 xc542, 0 x1a },
{ 0 xc512, 0 x00 },
{ 0 xc520, 0 x40 },
{ 0 xc51b, 0 x7f },
{ 0 xc51d, 0 x0f },
{ 0 xc500, 0 x40 },
{ 0 xc502, 0 xde },
{ 0 xc507, 0 x05 },
{ 0 xc509, 0 x05 },
{ 0 xc510, 0 x40 },
{ 0 xc518, 0 xc0 },
{ 0 xc500, 0 xc0 },
{ 0 xda0c, 0 x00 },
{ 0 xda0d, 0 x0b },
{ 0 xda0e, 0 x55 },
{ 0 xda0f, 0 x55 },
{ 0 xda04, 0 x00 },
{ 0 xda05, 0 x51 },
{ 0 xda06, 0 xeb },
{ 0 xda07, 0 x85 },
{ 0 xca16, 0 x0f },
{ 0 xca17, 0 x00 },
{ 0 xda09, 0 x5d },
{ 0 xda0a, 0 xc0 },
{ 0 xda11, 0 x26 },
{ 0 xda12, 0 x66 },
{ 0 xda13, 0 x66 },
{ 0 xda14, 0 x66 },
{ 0 xda16, 0 x79 },
{ 0 xda17, 0 x99 },
{ 0 xda18, 0 x99 },
{ 0 xda19, 0 x99 },
{ 0 xca09, 0 x00 },
{ 0 xca0a, 0 x07 },
{ 0 xca0b, 0 x89 },
{ 0 xca0c, 0 x61 },
{ 0 xca0e, 0 x00 },
{ 0 xca0f, 0 x03 },
{ 0 xca10, 0 xc4 },
{ 0 xca11, 0 xb0 },
{ 0 xdab6, 0 x00 },
{ 0 xdab7, 0 x01 },
{ 0 xdab8, 0 x00 },
{ 0 xdab9, 0 x00 },
{ 0 xdaba, 0 x00 },
{ 0 xdabb, 0 x00 },
{ 0 xd017, 0 x0e },
{ 0 xca00, 0 xcd },
{ 0 xc022, 0 x84 },
};
#define RT1017_MAX_REG_NUM 0 x4108ffff
static const struct regmap_config rt1017_sdca_regmap = {
.reg_bits = 32 ,
.val_bits = 8 ,
.readable_reg = rt1017_sdca_readable_register,
.volatile_reg = rt1017_sdca_volatile_register,
.max_register = RT1017_MAX_REG_NUM,
.reg_defaults = rt1017_sdca_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(rt1017_sdca_reg_defaults),
.cache_type = REGCACHE_MAPLE,
.use_single_read = true ,
.use_single_write = true ,
};
static int rt1017_sdca_read_prop(struct sdw_slave *slave)
{
struct sdw_slave_prop *prop = &slave->prop;
int nval;
int i, j;
u32 bit;
unsigned long addr;
struct sdw_dpn_prop *dpn;
prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
prop->paging_support = true ;
/* first we need to allocate memory for set bits in port lists
* port = 1 for AMP playback
* port = 2 for IV capture
*/
prop->source_ports = BIT(2 ); /* BITMAP: 00000100 */
prop->sink_ports = BIT(1 ); /* BITMAP: 00000010 */
nval = hweight32(prop->source_ports);
prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
sizeof (*prop->src_dpn_prop), GFP_KERNEL);
if (!prop->src_dpn_prop)
return -ENOMEM;
i = 0 ;
dpn = prop->src_dpn_prop;
addr = prop->source_ports;
for_each_set_bit(bit, &addr, 32 ) {
dpn[i].num = bit;
dpn[i].type = SDW_DPN_FULL;
dpn[i].simple_ch_prep_sm = true ;
dpn[i].ch_prep_timeout = 10 ;
i++;
}
/* do this again for sink now */
nval = hweight32(prop->sink_ports);
prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
sizeof (*prop->sink_dpn_prop), GFP_KERNEL);
if (!prop->sink_dpn_prop)
return -ENOMEM;
j = 0 ;
dpn = prop->sink_dpn_prop;
addr = prop->sink_ports;
for_each_set_bit(bit, &addr, 32 ) {
dpn[j].num = bit;
dpn[j].type = SDW_DPN_FULL;
dpn[j].simple_ch_prep_sm = true ;
dpn[j].ch_prep_timeout = 10 ;
j++;
}
/* set the timeout values */
prop->clk_stop_timeout = 64 ;
return 0 ;
}
static int rt1017_sdca_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
if (rt1017->hw_init)
return 0 ;
if (rt1017->first_hw_init) {
regcache_cache_only(rt1017->regmap, false );
regcache_cache_bypass(rt1017->regmap, true );
} else {
/*
* PM runtime is only enabled when a Slave reports as Attached
*/
/* set autosuspend parameters */
pm_runtime_set_autosuspend_delay(&slave->dev, 3000 );
pm_runtime_use_autosuspend(&slave->dev);
/* update count of parent 'active' children */
pm_runtime_set_active(&slave->dev);
/* make sure the device does not suspend immediately */
pm_runtime_mark_last_busy(&slave->dev);
pm_runtime_enable(&slave->dev);
}
pm_runtime_get_noresume(&slave->dev);
/* sw reset */
regmap_write(rt1017->regmap, 0 xc000, 0 x02);
/* initial settings - blind write */
regmap_multi_reg_write(rt1017->regmap, rt1017_blind_write,
ARRAY_SIZE(rt1017_blind_write));
if (rt1017->first_hw_init) {
regcache_cache_bypass(rt1017->regmap, false );
regcache_mark_dirty(rt1017->regmap);
} else
rt1017->first_hw_init = true ;
/* Mark Slave initialization complete */
rt1017->hw_init = true ;
pm_runtime_put_autosuspend(&slave->dev);
dev_dbg(&slave->dev, "hw_init complete\n" );
return 0 ;
}
static int rt1017_sdca_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev);
if (status == SDW_SLAVE_UNATTACHED)
rt1017->hw_init = false ;
/*
* Perform initialization only if slave status is present and
* hw_init flag is false
*/
if (rt1017->hw_init || status != SDW_SLAVE_ATTACHED)
return 0 ;
/* perform I/O transfers required for Slave initialization */
return rt1017_sdca_io_init(&slave->dev, slave);
}
static const char * const rt1017_rx_data_ch_select[] = {
"Bypass" ,
"CN1" ,
"CN2" ,
"CN3" ,
"CN4" ,
"(1+2)/2" ,
"(1+3)/2" ,
"(1+4)/2" ,
"(2+3)/2" ,
"(2+4)/2" ,
"(3+4)/2" ,
};
static SOC_ENUM_SINGLE_DECL(rt1017_rx_data_ch_enum,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21,
RT1017_SDCA_CTL_UDMPU_CLUSTER, 0 ),
0 , rt1017_rx_data_ch_select);
static const struct snd_kcontrol_new rt1017_sdca_controls[] = {
/* UDMPU Cluster Selection */
SOC_ENUM("RX Channel Select" , rt1017_rx_data_ch_enum),
};
static const struct snd_kcontrol_new rt1017_sto_dac =
SOC_DAPM_SINGLE("Switch" ,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU, RT1017_SDCA_CTL_FU_MUTE, 0 x1),
0 , 1 , 1 );
static int rt1017_sdca_pde23_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
unsigned char ps0 = 0 x0, ps3 = 0 x3;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt1017->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
RT1017_SDCA_CTL_REQ_POWER_STATE, 0 ),
ps0);
break ;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt1017->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
RT1017_SDCA_CTL_REQ_POWER_STATE, 0 ),
ps3);
break ;
default :
break ;
}
return 0 ;
}
static int rt1017_sdca_classd_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(rt1017->regmap, RT1017_PWM_TRIM_1,
RT1017_PWM_FREQ_CTL_SRC_SEL_MASK, RT1017_PWM_FREQ_CTL_SRC_SEL_REG);
regmap_write(rt1017->regmap, RT1017_CLASSD_INT_1, 0 x10);
break ;
default :
break ;
}
return 0 ;
}
static int rt1017_sdca_feedback_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
regmap_update_bits(rt1017->regmap, 0 xd017, 0 x1f, 0 x08);
break ;
case SND_SOC_DAPM_POST_PMD:
regmap_update_bits(rt1017->regmap, 0 xd017, 0 x1f, 0 x09);
break ;
default :
break ;
}
return 0 ;
}
static const struct snd_soc_dapm_widget rt1017_sdca_dapm_widgets[] = {
/* Audio Interface */
SND_SOC_DAPM_AIF_IN("DP1RX" , "DP1 Playback" , 0 , SND_SOC_NOPM, 0 , 0 ),
SND_SOC_DAPM_AIF_OUT_E("DP2TX" , "DP2 Capture" , 0 , SND_SOC_NOPM, 0 , 0 ,
rt1017_sdca_feedback_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
/* Digital Interface */
SND_SOC_DAPM_SWITCH("DAC" , SND_SOC_NOPM, 0 , 0 , &rt1017_sto_dac),
/* Output Lines */
SND_SOC_DAPM_PGA_E("CLASS D" , SND_SOC_NOPM, 0 , 0 , NULL, 0 ,
rt1017_sdca_classd_event, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_OUTPUT("SPO" ),
SND_SOC_DAPM_SUPPLY("PDE23" , SND_SOC_NOPM, 0 , 0 ,
rt1017_sdca_pde23_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA("I Sense" , SND_SOC_NOPM, 0 , 0 , NULL, 0 ),
SND_SOC_DAPM_PGA("V Sense" , SND_SOC_NOPM, 0 , 0 , NULL, 0 ),
SND_SOC_DAPM_SIGGEN("I Gen" ),
SND_SOC_DAPM_SIGGEN("V Gen" ),
};
static const struct snd_soc_dapm_route rt1017_sdca_dapm_routes[] = {
{ "DAC" , "Switch" , "DP1RX" },
{ "CLASS D" , NULL, "DAC" },
{ "CLASS D" , NULL, "PDE23" },
{ "SPO" , NULL, "CLASS D" },
{ "I Sense" , NULL, "I Gen" },
{ "V Sense" , NULL, "V Gen" },
{ "I Sense" , NULL, "PDE23" },
{ "V Sense" , NULL, "PDE23" },
{ "DP2TX" , NULL, "I Sense" },
{ "DP2TX" , NULL, "V Sense" },
};
static const struct sdw_slave_ops rt1017_sdca_slave_ops = {
.read_prop = rt1017_sdca_read_prop,
.update_status = rt1017_sdca_update_status,
};
static int rt1017_sdca_component_probe(struct snd_soc_component *component)
{
int ret;
ret = pm_runtime_resume(component->dev);
if (ret < 0 && ret != -EACCES)
return ret;
return 0 ;
}
static void rt1017_sdca_component_remove(struct snd_soc_component *component)
{
struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
regcache_cache_only(rt1017->regmap, true );
}
static const struct snd_soc_component_driver soc_sdca_component_rt1017 = {
.probe = rt1017_sdca_component_probe,
.remove = rt1017_sdca_component_remove,
.controls = rt1017_sdca_controls,
.num_controls = ARRAY_SIZE(rt1017_sdca_controls),
.dapm_widgets = rt1017_sdca_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt1017_sdca_dapm_widgets),
.dapm_routes = rt1017_sdca_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rt1017_sdca_dapm_routes),
.endianness = 1 ,
};
static int rt1017_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
int direction)
{
snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
return 0 ;
}
static void rt1017_sdca_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
snd_soc_dai_set_dma_data(dai, substream, NULL);
}
static int rt1017_sdca_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
struct sdw_stream_config stream_config;
struct sdw_port_config port_config;
enum sdw_data_direction direction;
struct sdw_stream_runtime *sdw_stream;
int retval, port, num_channels, ch_mask;
unsigned int sampling_rate;
dev_dbg(dai->dev, "%s %s" , __func__, dai->name);
sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
if (!sdw_stream)
return -EINVAL;
if (!rt1017->sdw_slave)
return -EINVAL;
/* SoundWire specific configuration */
/* port 1 for playback */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
direction = SDW_DATA_DIR_RX;
port = 1 ;
} else {
direction = SDW_DATA_DIR_TX;
port = 2 ;
}
num_channels = params_channels(params);
ch_mask = (1 << num_channels) - 1 ;
stream_config.frame_rate = params_rate(params);
stream_config.ch_count = num_channels;
stream_config.bps = snd_pcm_format_width(params_format(params));
stream_config.direction = direction;
port_config.ch_mask = ch_mask;
port_config.num = port;
dev_dbg(dai->dev, "frame_rate %d, ch_count %d, bps %d, direction %d, ch_mask %d, port: %d\n" ,
params_rate(params), num_channels, snd_pcm_format_width(params_format(params)),
direction, ch_mask, port);
retval = sdw_stream_add_slave(rt1017->sdw_slave, &stream_config,
&port_config, 1 , sdw_stream);
if (retval) {
dev_err(dai->dev, "Unable to configure port\n" );
return retval;
}
/* sampling rate configuration */
switch (params_rate(params)) {
case 44100 :
sampling_rate = RT1017_SDCA_RATE_44100HZ;
break ;
case 48000 :
sampling_rate = RT1017_SDCA_RATE_48000HZ;
break ;
case 96000 :
sampling_rate = RT1017_SDCA_RATE_96000HZ;
break ;
case 192000 :
sampling_rate = RT1017_SDCA_RATE_192000HZ;
break ;
default :
dev_err(component->dev, "Rate %d is not supported\n" ,
params_rate(params));
return -EINVAL;
}
/* set sampling frequency */
regmap_write(rt1017->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21,
RT1017_SDCA_CTL_FS_INDEX, 0 ),
sampling_rate);
return 0 ;
}
static int rt1017_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
struct sdw_stream_runtime *sdw_stream =
snd_soc_dai_get_dma_data(dai, substream);
if (!rt1017->sdw_slave)
return -EINVAL;
sdw_stream_remove_slave(rt1017->sdw_slave, sdw_stream);
return 0 ;
}
static const struct snd_soc_dai_ops rt1017_sdca_ops = {
.hw_params = rt1017_sdca_pcm_hw_params,
.hw_free = rt1017_sdca_pcm_hw_free,
.set_stream = rt1017_sdca_set_sdw_stream,
.shutdown = rt1017_sdca_shutdown,
};
#define RT1017_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
#define RT1017_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S24_LE)
static struct snd_soc_dai_driver rt1017_sdca_dai[] = {
{
.name = "rt1017-aif" ,
.playback = {
.stream_name = "DP1 Playback" ,
.channels_min = 1 ,
.channels_max = 1 ,
.rates = RT1017_STEREO_RATES,
.formats = RT1017_FORMATS,
},
.capture = {
.stream_name = "DP2 Capture" ,
.channels_min = 1 ,
.channels_max = 1 ,
.rates = RT1017_STEREO_RATES,
.formats = RT1017_FORMATS,
},
.ops = &rt1017_sdca_ops,
},
};
static int rt1017_sdca_init(struct device *dev, struct regmap *regmap,
struct sdw_slave *slave)
{
struct rt1017_sdca_priv *rt1017;
int ret;
rt1017 = devm_kzalloc(dev, sizeof (*rt1017), GFP_KERNEL);
if (!rt1017)
return -ENOMEM;
dev_set_drvdata(dev, rt1017);
rt1017->sdw_slave = slave;
rt1017->regmap = regmap;
/*
* Mark hw_init to false
* HW init will be performed when device reports present
*/
rt1017->hw_init = false ;
rt1017->first_hw_init = false ;
ret = devm_snd_soc_register_component(dev,
&soc_sdca_component_rt1017,
rt1017_sdca_dai,
ARRAY_SIZE(rt1017_sdca_dai));
return ret;
}
static int rt1017_sdca_sdw_probe(struct sdw_slave *slave,
const struct sdw_device_id *id)
{
struct regmap *regmap;
/* Regmap Initialization */
regmap = devm_regmap_init_sdw(slave, &rt1017_sdca_regmap);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
return rt1017_sdca_init(&slave->dev, regmap, slave);
}
static int rt1017_sdca_sdw_remove(struct sdw_slave *slave)
{
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev);
if (rt1017->first_hw_init)
pm_runtime_disable(&slave->dev);
return 0 ;
}
static const struct sdw_device_id rt1017_sdca_id[] = {
SDW_SLAVE_ENTRY_EXT(0 x025d, 0 x1017, 0 x3, 0 x1, 0 ),
{},
};
MODULE_DEVICE_TABLE(sdw, rt1017_sdca_id);
static int rt1017_sdca_dev_suspend(struct device *dev)
{
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
if (!rt1017->hw_init)
return 0 ;
regcache_cache_only(rt1017->regmap, true );
return 0 ;
}
#define RT1017_PROBE_TIMEOUT 5000
static int rt1017_sdca_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
unsigned long time;
if (!rt1017->first_hw_init)
return 0 ;
if (!slave->unattach_request)
goto regmap_sync;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1017_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "Initialization not complete, timed out\n" );
sdw_show_ping_status(slave->bus, true );
return -ETIMEDOUT;
}
regmap_sync:
slave->unattach_request = 0 ;
regcache_cache_only(rt1017->regmap, false );
regcache_sync(rt1017->regmap);
return 0 ;
}
static const struct dev_pm_ops rt1017_sdca_pm = {
SYSTEM_SLEEP_PM_OPS(rt1017_sdca_dev_suspend, rt1017_sdca_dev_resume)
RUNTIME_PM_OPS(rt1017_sdca_dev_suspend, rt1017_sdca_dev_resume, NULL)
};
static struct sdw_driver rt1017_sdca_sdw_driver = {
.driver = {
.name = "rt1017-sdca" ,
.pm = pm_ptr(&rt1017_sdca_pm),
},
.probe = rt1017_sdca_sdw_probe,
.remove = rt1017_sdca_sdw_remove,
.ops = &rt1017_sdca_slave_ops,
.id_table = rt1017_sdca_id,
};
module_sdw_driver(rt1017_sdca_sdw_driver);
MODULE_DESCRIPTION("ASoC RT1017 driver SDCA SDW" );
MODULE_AUTHOR("Derek Fang <derek.fang@realtek.com>" );
MODULE_LICENSE("GPL" );
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(vorverarbeitet am 2026-06-08)
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