iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
454a7422fa
linux/sound/soc/codecs/rt1316-sdw.c

745 lines
19 KiB
C
Raw Normal View History

ASoC: rt1316: Add RT1316 SDCA vendor-specific driver This is the initial amplifier driver for rt1316 SDCA version. Signed-off-by: Shuming Fan <shumingf@realtek.com> Link: https://lore.kernel.org/r/20210223090759.15323-1-shumingf@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-02-23 12:07:59 +03:00
// SPDX-License-Identifier: GPL-2.0-only
//
// rt1316-sdw.c -- rt1316 SDCA ALSA SoC amplifier audio driver
//
// Copyright(c) 2021 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-dapm.h>
#include <sound/initval.h>
#include "rt1316-sdw.h"
static const struct reg_default rt1316_reg_defaults[] = {
{ 0x3004, 0x00 },
{ 0x3005, 0x00 },
{ 0x3206, 0x00 },
{ 0xc001, 0x00 },
{ 0xc002, 0x00 },
{ 0xc003, 0x00 },
{ 0xc004, 0x00 },
{ 0xc005, 0x00 },
{ 0xc006, 0x00 },
{ 0xc007, 0x00 },
{ 0xc008, 0x00 },
{ 0xc009, 0x00 },
{ 0xc00a, 0x00 },
{ 0xc00b, 0x00 },
{ 0xc00c, 0x00 },
{ 0xc00d, 0x00 },
{ 0xc00e, 0x00 },
{ 0xc00f, 0x00 },
{ 0xc010, 0xa5 },
{ 0xc011, 0x00 },
{ 0xc012, 0xff },
{ 0xc013, 0xff },
{ 0xc014, 0x40 },
{ 0xc015, 0x00 },
{ 0xc016, 0x00 },
{ 0xc017, 0x00 },
{ 0xc605, 0x30 },
{ 0xc700, 0x0a },
{ 0xc701, 0xaa },
{ 0xc702, 0x1a },
{ 0xc703, 0x0a },
{ 0xc710, 0x80 },
{ 0xc711, 0x00 },
{ 0xc712, 0x3e },
{ 0xc713, 0x80 },
{ 0xc714, 0x80 },
{ 0xc715, 0x06 },
{ 0xd101, 0x00 },
{ 0xd102, 0x30 },
{ 0xd103, 0x00 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0), 0x00 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_L), 0x01 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_R), 0x01 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_XU24, RT1316_SDCA_CTL_BYPASS, 0), 0x01 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23, RT1316_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22, RT1316_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24, RT1316_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
};
static const struct reg_sequence rt1316_blind_write[] = {
{ 0xc710, 0x17 },
{ 0xc711, 0x80 },
{ 0xc712, 0x26 },
{ 0xc713, 0x06 },
{ 0xc714, 0x80 },
{ 0xc715, 0x06 },
{ 0xc702, 0x0a },
{ 0xc703, 0x0a },
{ 0xc001, 0x45 },
{ 0xc003, 0x00 },
{ 0xc004, 0x11 },
{ 0xc005, 0x00 },
{ 0xc006, 0x00 },
{ 0xc106, 0x00 },
{ 0xc007, 0x11 },
{ 0xc008, 0x11 },
{ 0xc009, 0x00 },
{ 0x2f0a, 0x00 },
{ 0xd101, 0xf0 },
{ 0xd103, 0x9b },
{ 0x2f36, 0x8e },
{ 0x3206, 0x80 },
{ 0x3211, 0x0b },
{ 0x3216, 0x06 },
{ 0xc614, 0x20 },
{ 0xc615, 0x0a },
{ 0xc616, 0x02 },
{ 0xc617, 0x00 },
{ 0xc60b, 0x10 },
{ 0xc60e, 0x05 },
{ 0xc102, 0x00 },
{ 0xc090, 0xb0 },
{ 0xc00f, 0x01 },
{ 0xc09c, 0x7b },
{ 0xc602, 0x07 },
{ 0xc603, 0x07 },
{ 0xc0a3, 0x71 },
{ 0xc00b, 0x30 },
{ 0xc093, 0x80 },
{ 0xc09d, 0x80 },
{ 0xc0b0, 0x77 },
{ 0xc010, 0xa5 },
{ 0xc050, 0x83 },
{ 0x2f55, 0x03 },
{ 0x3217, 0xb5 },
{ 0x3202, 0x02 },
{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_XU24, RT1316_SDCA_CTL_BYPASS, 0), 0x00 },
/* for IV sense */
{ 0x2232, 0x80 },
{ 0xc0b0, 0x77 },
{ 0xc011, 0x00 },
{ 0xc020, 0x00 },
{ 0xc023, 0x00 },
{ 0x3101, 0x00 },
{ 0x3004, 0xa0 },
{ 0x3005, 0xb1 },
{ 0xc007, 0x11 },
{ 0xc008, 0x11 },
{ 0xc009, 0x00 },
{ 0xc022, 0xd6 },
{ 0xc025, 0xd6 },
{ 0xd001, 0x03 },
{ 0xd002, 0xbf },
{ 0xd003, 0x03 },
{ 0xd004, 0xbf },
};
static bool rt1316_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0x2f0a:
case 0x2f36:
case 0x3203 ... 0x320e:
case 0xc000 ... 0xc7b4:
case 0xcf00 ... 0xcf03:
case 0xd101 ... 0xd103:
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_L):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_R):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE27, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
return true;
default:
return false;
}
}
static bool rt1316_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case 0xc000:
case 0xc093:
case 0xc09d:
case 0xc0a3:
case 0xc201:
case 0xc427 ... 0xc428:
case 0xd102:
return true;
default:
return false;
}
}
static const struct regmap_config rt1316_sdw_regmap = {
.reg_bits = 32,
.val_bits = 8,
.readable_reg = rt1316_readable_register,
.volatile_reg = rt1316_volatile_register,
.max_register = 0x4108ffff,
.reg_defaults = rt1316_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(rt1316_reg_defaults),
.cache_type = REGCACHE_RBTREE,
.use_single_read = true,
.use_single_write = true,
};
static int rt1316_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->is_sdca = true;
prop->paging_support = true;
/* first we need to allocate memory for set bits in port lists */
prop->source_ports = 0x04; /* BITMAP: 00000100 */
prop->sink_ports = 0x2; /* 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 = 20;
dev_dbg(&slave->dev, "%s\n", __func__);
return 0;
}
static int rt1316_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
if (rt1316->hw_init)
return 0;
if (rt1316->first_hw_init) {
regcache_cache_only(rt1316->regmap, false);
regcache_cache_bypass(rt1316->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(rt1316->regmap, 0xc000, 0x02);
/* initial settings - blind write */
regmap_multi_reg_write(rt1316->regmap, rt1316_blind_write,
ARRAY_SIZE(rt1316_blind_write));
if (rt1316->first_hw_init) {
regcache_cache_bypass(rt1316->regmap, false);
regcache_mark_dirty(rt1316->regmap);
} else
rt1316->first_hw_init = true;
/* Mark Slave initialization complete */
rt1316->hw_init = true;
pm_runtime_mark_last_busy(&slave->dev);
pm_runtime_put_autosuspend(&slave->dev);
dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
return 0;
}
static int rt1316_update_status(struct sdw_slave *slave,
enum sdw_slave_status status)
{
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(&slave->dev);
/* Update the status */
rt1316->status = status;
if (status == SDW_SLAVE_UNATTACHED)
rt1316->hw_init = false;
/*
* Perform initialization only if slave status is present and
* hw_init flag is false
*/
if (rt1316->hw_init || rt1316->status != SDW_SLAVE_ATTACHED)
return 0;
/* perform I/O transfers required for Slave initialization */
return rt1316_io_init(&slave->dev, slave);
}
static int rt1316_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 rt1316_sdw_priv *rt1316 = snd_soc_component_get_drvdata(component);
unsigned char ps0 = 0x0, ps3 = 0x3;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps0);
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE27,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps0);
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps0);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps3);
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE27,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps3);
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps3);
break;
default:
break;
}
return 0;
}
static int rt1316_pde24_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 rt1316_sdw_priv *rt1316 = snd_soc_component_get_drvdata(component);
unsigned char ps0 = 0x0, ps3 = 0x3;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps0);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_write(rt1316->regmap,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24,
RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
ps3);
break;
}
return 0;
}
static const char * const rt1316_rx_data_ch_select[] = {
"L,R",
"L,L",
"L,R",
"L,L+R",
"R,L",
"R,R",
"R,L+R",
"L+R,L",
"L+R,R",
"L+R,L+R",
};
static SOC_ENUM_SINGLE_DECL(rt1316_rx_data_ch_enum,
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0), 0,
rt1316_rx_data_ch_select);
static const struct snd_kcontrol_new rt1316_snd_controls[] = {
/* I2S Data Channel Selection */
SOC_ENUM("RX Channel Select", rt1316_rx_data_ch_enum),
/* XU24 Bypass Control */
SOC_SINGLE("XU24 Bypass Switch",
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_XU24, RT1316_SDCA_CTL_BYPASS, 0), 0, 1, 0),
/* Left/Right IV tag */
SOC_SINGLE("Left V Tag Select", 0x3004, 0, 7, 0),
SOC_SINGLE("Left I Tag Select", 0x3004, 4, 7, 0),
SOC_SINGLE("Right V Tag Select", 0x3005, 0, 7, 0),
SOC_SINGLE("Right I Tag Select", 0x3005, 4, 7, 0),
/* IV mixer Control */
SOC_DOUBLE("Isense Mixer Switch", 0xc605, 2, 0, 1, 1),
SOC_DOUBLE("Vsense Mixer Switch", 0xc605, 3, 1, 1, 1),
};
static const struct snd_kcontrol_new rt1316_sto_dac =
SOC_DAPM_DOUBLE_R("Switch",
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_L),
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_R),
0, 1, 1);
static const struct snd_soc_dapm_widget rt1316_dapm_widgets[] = {
/* Audio Interface */
SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
/* Digital Interface */
SND_SOC_DAPM_SWITCH("DAC", SND_SOC_NOPM, 0, 0, &rt1316_sto_dac),
/* Output Lines */
SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0,
rt1316_classd_event,
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_OUTPUT("SPOL"),
SND_SOC_DAPM_OUTPUT("SPOR"),
SND_SOC_DAPM_SUPPLY("PDE 24", SND_SOC_NOPM, 0, 0,
rt1316_pde24_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 rt1316_dapm_routes[] = {
{ "DAC", "Switch", "DP1RX" },
{ "CLASS D", NULL, "DAC" },
{ "SPOL", NULL, "CLASS D" },
{ "SPOR", NULL, "CLASS D" },
{ "I Sense", NULL, "I Gen" },
{ "V Sense", NULL, "V Gen" },
{ "I Sense", NULL, "PDE 24" },
{ "V Sense", NULL, "PDE 24" },
{ "DP2TX", NULL, "I Sense" },
{ "DP2TX", NULL, "V Sense" },
};
static int rt1316_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
int direction)
{
struct sdw_stream_data *stream;
if (!sdw_stream)
return 0;
stream = kzalloc(sizeof(*stream), GFP_KERNEL);
if (!stream)
return -ENOMEM;
stream->sdw_stream = sdw_stream;
/* Use tx_mask or rx_mask to configure stream tag and set dma_data */
if (direction == SNDRV_PCM_STREAM_PLAYBACK)
dai->playback_dma_data = stream;
else
dai->capture_dma_data = stream;
return 0;
}
static void rt1316_sdw_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct sdw_stream_data *stream;
stream = snd_soc_dai_get_dma_data(dai, substream);
snd_soc_dai_set_dma_data(dai, substream, NULL);
kfree(stream);
}
static int rt1316_sdw_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 rt1316_sdw_priv *rt1316 =
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_data *stream;
int retval, port, num_channels, ch_mask;
dev_dbg(dai->dev, "%s %s", __func__, dai->name);
stream = snd_soc_dai_get_dma_data(dai, substream);
if (!stream)
return -EINVAL;
if (!rt1316->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;
retval = sdw_stream_add_slave(rt1316->sdw_slave, &stream_config,
&port_config, 1, stream->sdw_stream);
if (retval) {
dev_err(dai->dev, "Unable to configure port\n");
return retval;
}
return 0;
}
static int rt1316_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt1316_sdw_priv *rt1316 =
snd_soc_component_get_drvdata(component);
struct sdw_stream_data *stream =
snd_soc_dai_get_dma_data(dai, substream);
if (!rt1316->sdw_slave)
return -EINVAL;
sdw_stream_remove_slave(rt1316->sdw_slave, stream->sdw_stream);
return 0;
}
/*
* slave_ops: callbacks for get_clock_stop_mode, clock_stop and
* port_prep are not defined for now
*/
static struct sdw_slave_ops rt1316_slave_ops = {
.read_prop = rt1316_read_prop,
.update_status = rt1316_update_status,
};
static const struct snd_soc_component_driver soc_component_sdw_rt1316 = {
.controls = rt1316_snd_controls,
.num_controls = ARRAY_SIZE(rt1316_snd_controls),
.dapm_widgets = rt1316_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt1316_dapm_widgets),
.dapm_routes = rt1316_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rt1316_dapm_routes),
};
static const struct snd_soc_dai_ops rt1316_aif_dai_ops = {
.hw_params = rt1316_sdw_hw_params,
.hw_free = rt1316_sdw_pcm_hw_free,
.set_sdw_stream = rt1316_set_sdw_stream,
.shutdown = rt1316_sdw_shutdown,
};
#define RT1316_STEREO_RATES SNDRV_PCM_RATE_48000
#define RT1316_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S24_LE)
static struct snd_soc_dai_driver rt1316_sdw_dai[] = {
{
.name = "rt1316-aif",
.playback = {
.stream_name = "DP1 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = RT1316_STEREO_RATES,
.formats = RT1316_FORMATS,
},
.capture = {
.stream_name = "DP2 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = RT1316_STEREO_RATES,
.formats = RT1316_FORMATS,
},
.ops = &rt1316_aif_dai_ops,
},
};
static int rt1316_sdw_init(struct device *dev, struct regmap *regmap,
struct sdw_slave *slave)
{
struct rt1316_sdw_priv *rt1316;
int ret;
rt1316 = devm_kzalloc(dev, sizeof(*rt1316), GFP_KERNEL);
if (!rt1316)
return -ENOMEM;
dev_set_drvdata(dev, rt1316);
rt1316->sdw_slave = slave;
rt1316->regmap = regmap;
/*
* Mark hw_init to false
* HW init will be performed when device reports present
*/
rt1316->hw_init = false;
rt1316->first_hw_init = false;
ret = devm_snd_soc_register_component(dev,
&soc_component_sdw_rt1316,
rt1316_sdw_dai,
ARRAY_SIZE(rt1316_sdw_dai));
dev_dbg(&slave->dev, "%s\n", __func__);
return ret;
}
static int rt1316_sdw_probe(struct sdw_slave *slave,
const struct sdw_device_id *id)
{
struct regmap *regmap;
/* Regmap Initialization */
regmap = devm_regmap_init_sdw(slave, &rt1316_sdw_regmap);
ASoC: rt1316: Fix return value check in rt1316_sdw_probe() In case of error, the function devm_regmap_init_sdw() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: a262057df513 ("ASoC: rt1316: Add RT1316 SDCA vendor-specific driver") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20210303064041.898281-1-weiyongjun1@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-03-03 09:40:41 +03:00
if (IS_ERR(regmap))
return PTR_ERR(regmap);
ASoC: rt1316: Add RT1316 SDCA vendor-specific driver This is the initial amplifier driver for rt1316 SDCA version. Signed-off-by: Shuming Fan <shumingf@realtek.com> Link: https://lore.kernel.org/r/20210223090759.15323-1-shumingf@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-02-23 12:07:59 +03:00
return rt1316_sdw_init(&slave->dev, regmap, slave);
}
static const struct sdw_device_id rt1316_id[] = {
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1316, 0x3, 0x1, 0),
{},
};
MODULE_DEVICE_TABLE(sdw, rt1316_id);
static int __maybe_unused rt1316_dev_suspend(struct device *dev)
{
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
if (!rt1316->hw_init)
return 0;
regcache_cache_only(rt1316->regmap, true);
return 0;
}
#define RT1316_PROBE_TIMEOUT 5000
static int __maybe_unused rt1316_dev_resume(struct device *dev)
{
struct sdw_slave *slave = dev_to_sdw_dev(dev);
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
unsigned long time;
ASoC: rt1316-sdw: use first_hw_init flag on resume The intent of the status check on resume was to verify if a SoundWire peripheral reported ATTACHED before waiting for the initialization to complete. This is required to avoid timeouts that will happen with 'ghost' devices that are exposed in the platform firmware but are not populated in hardware. Unfortunately we used 'hw_init' instead of 'first_hw_init'. Due to another error, the resume operation never timed out, but the volume settings were not properly restored. BugLink: https://github.com/thesofproject/linux/issues/2908 BugLink: https://github.com/thesofproject/linux/issues/2637 Fixes: 2b719fd20f327 ('ASoC: rt1316: Add RT1316 SDCA vendor-specific driver') Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Reviewed-by: Bard Liao <bard.liao@intel.com> Link: https://lore.kernel.org/r/20210607222239.582139-5-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-08 01:22:28 +03:00
if (!rt1316->first_hw_init)
ASoC: rt1316: Add RT1316 SDCA vendor-specific driver This is the initial amplifier driver for rt1316 SDCA version. Signed-off-by: Shuming Fan <shumingf@realtek.com> Link: https://lore.kernel.org/r/20210223090759.15323-1-shumingf@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
2021-02-23 12:07:59 +03:00
return 0;
if (!slave->unattach_request)
goto regmap_sync;
time = wait_for_completion_timeout(&slave->initialization_complete,
msecs_to_jiffies(RT1316_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "Initialization not complete, timed out\n");
return -ETIMEDOUT;
}
regmap_sync:
slave->unattach_request = 0;
regcache_cache_only(rt1316->regmap, false);
regcache_sync(rt1316->regmap);
return 0;
}
static const struct dev_pm_ops rt1316_pm = {
SET_SYSTEM_SLEEP_PM_OPS(rt1316_dev_suspend, rt1316_dev_resume)
SET_RUNTIME_PM_OPS(rt1316_dev_suspend, rt1316_dev_resume, NULL)
};
static struct sdw_driver rt1316_sdw_driver = {
.driver = {
.name = "rt1316-sdca",
.owner = THIS_MODULE,
.pm = &rt1316_pm,
},
.probe = rt1316_sdw_probe,
.ops = &rt1316_slave_ops,
.id_table = rt1316_id,
};
module_sdw_driver(rt1316_sdw_driver);
MODULE_DESCRIPTION("ASoC RT1316 driver SDCA SDW");
MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
MODULE_LICENSE("GPL");
Reference in New Issue Copy Permalink