aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/rt1308-sdw.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/rt1308-sdw.c')
-rw-r--r--sound/soc/codecs/rt1308-sdw.c116
1 files changed, 80 insertions, 36 deletions
diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c
index f716668de640..f99aed353f10 100644
--- a/sound/soc/codecs/rt1308-sdw.c
+++ b/sound/soc/codecs/rt1308-sdw.c
@@ -50,6 +50,9 @@ static bool rt1308_volatile_register(struct device *dev, unsigned int reg)
case 0x3008:
case 0x300a:
case 0xc000:
+ case 0xc710:
+ case 0xc860 ... 0xc863:
+ case 0xc870 ... 0xc873:
return true;
default:
return false;
@@ -159,12 +162,46 @@ static int rt1308_read_prop(struct sdw_slave *slave)
return 0;
}
+static void rt1308_apply_calib_params(struct rt1308_sdw_priv *rt1308)
+{
+ unsigned int efuse_m_btl_l, efuse_m_btl_r, tmp;
+ unsigned int efuse_c_btl_l, efuse_c_btl_r;
+
+ /* read efuse to apply calibration parameters */
+ regmap_write(rt1308->regmap, 0xc7f0, 0x04);
+ regmap_write(rt1308->regmap, 0xc7f1, 0xfe);
+ msleep(100);
+ regmap_write(rt1308->regmap, 0xc7f0, 0x44);
+ msleep(20);
+ regmap_write(rt1308->regmap, 0xc240, 0x10);
+
+ regmap_read(rt1308->regmap, 0xc861, &tmp);
+ efuse_m_btl_l = tmp;
+ regmap_read(rt1308->regmap, 0xc860, &tmp);
+ efuse_m_btl_l = efuse_m_btl_l | (tmp << 8);
+ regmap_read(rt1308->regmap, 0xc863, &tmp);
+ efuse_c_btl_l = tmp;
+ regmap_read(rt1308->regmap, 0xc862, &tmp);
+ efuse_c_btl_l = efuse_c_btl_l | (tmp << 8);
+ regmap_read(rt1308->regmap, 0xc871, &tmp);
+ efuse_m_btl_r = tmp;
+ regmap_read(rt1308->regmap, 0xc870, &tmp);
+ efuse_m_btl_r = efuse_m_btl_r | (tmp << 8);
+ regmap_read(rt1308->regmap, 0xc873, &tmp);
+ efuse_c_btl_r = tmp;
+ regmap_read(rt1308->regmap, 0xc872, &tmp);
+ efuse_c_btl_r = efuse_c_btl_r | (tmp << 8);
+ dev_dbg(&rt1308->sdw_slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__,
+ efuse_m_btl_l, efuse_m_btl_r);
+ dev_dbg(&rt1308->sdw_slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__,
+ efuse_c_btl_l, efuse_c_btl_r);
+}
+
static int rt1308_io_init(struct device *dev, struct sdw_slave *slave)
{
struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev);
int ret = 0;
- unsigned int efuse_m_btl_l, efuse_m_btl_r, tmp;
- unsigned int efuse_c_btl_l, efuse_c_btl_r;
+ unsigned int tmp;
if (rt1308->hw_init)
return 0;
@@ -196,36 +233,9 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave)
/* sw reset */
regmap_write(rt1308->regmap, RT1308_SDW_RESET, 0);
- /* read efuse */
- regmap_write(rt1308->regmap, 0xc360, 0x01);
- regmap_write(rt1308->regmap, 0xc361, 0x80);
- regmap_write(rt1308->regmap, 0xc7f0, 0x04);
- regmap_write(rt1308->regmap, 0xc7f1, 0xfe);
- msleep(100);
- regmap_write(rt1308->regmap, 0xc7f0, 0x44);
- msleep(20);
- regmap_write(rt1308->regmap, 0xc240, 0x10);
-
- regmap_read(rt1308->regmap, 0xc861, &tmp);
- efuse_m_btl_l = tmp;
- regmap_read(rt1308->regmap, 0xc860, &tmp);
- efuse_m_btl_l = efuse_m_btl_l | (tmp << 8);
- regmap_read(rt1308->regmap, 0xc863, &tmp);
- efuse_c_btl_l = tmp;
- regmap_read(rt1308->regmap, 0xc862, &tmp);
- efuse_c_btl_l = efuse_c_btl_l | (tmp << 8);
- regmap_read(rt1308->regmap, 0xc871, &tmp);
- efuse_m_btl_r = tmp;
- regmap_read(rt1308->regmap, 0xc870, &tmp);
- efuse_m_btl_r = efuse_m_btl_r | (tmp << 8);
- regmap_read(rt1308->regmap, 0xc873, &tmp);
- efuse_c_btl_r = tmp;
- regmap_read(rt1308->regmap, 0xc872, &tmp);
- efuse_c_btl_r = efuse_c_btl_r | (tmp << 8);
- dev_dbg(&slave->dev, "%s m_btl_l=0x%x, m_btl_r=0x%x\n", __func__,
- efuse_m_btl_l, efuse_m_btl_r);
- dev_dbg(&slave->dev, "%s c_btl_l=0x%x, c_btl_r=0x%x\n", __func__,
- efuse_c_btl_l, efuse_c_btl_r);
+ regmap_read(rt1308->regmap, 0xc710, &tmp);
+ rt1308->hw_ver = tmp;
+ dev_dbg(dev, "%s, hw_ver=0x%x\n", __func__, rt1308->hw_ver);
/* initial settings */
regmap_write(rt1308->regmap, 0xc103, 0xc0);
@@ -242,8 +252,14 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave)
regmap_write(rt1308->regmap, 0xc062, 0x05);
regmap_write(rt1308->regmap, 0xc171, 0x07);
regmap_write(rt1308->regmap, 0xc173, 0x0d);
- regmap_write(rt1308->regmap, 0xc311, 0x7f);
- regmap_write(rt1308->regmap, 0xc900, 0x90);
+ if (rt1308->hw_ver == RT1308_VER_C) {
+ regmap_write(rt1308->regmap, 0xc311, 0x7f);
+ regmap_write(rt1308->regmap, 0xc300, 0x09);
+ } else {
+ regmap_write(rt1308->regmap, 0xc311, 0x4f);
+ regmap_write(rt1308->regmap, 0xc300, 0x0b);
+ }
+ regmap_write(rt1308->regmap, 0xc900, 0x5a);
regmap_write(rt1308->regmap, 0xc1a0, 0x84);
regmap_write(rt1308->regmap, 0xc1a1, 0x01);
regmap_write(rt1308->regmap, 0xc360, 0x78);
@@ -253,7 +269,6 @@ static int rt1308_io_init(struct device *dev, struct sdw_slave *slave)
regmap_write(rt1308->regmap, 0xc070, 0x00);
regmap_write(rt1308->regmap, 0xc100, 0xd7);
regmap_write(rt1308->regmap, 0xc101, 0xd7);
- regmap_write(rt1308->regmap, 0xc300, 0x09);
if (rt1308->first_hw_init) {
regcache_cache_bypass(rt1308->regmap, false);
@@ -323,6 +338,8 @@ static int rt1308_classd_event(struct snd_soc_dapm_widget *w,
{
struct snd_soc_component *component =
snd_soc_dapm_to_component(w->dapm);
+ struct rt1308_sdw_priv *rt1308 =
+ snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
@@ -331,6 +348,7 @@ static int rt1308_classd_event(struct snd_soc_dapm_widget *w,
RT1308_SDW_OFFSET | (RT1308_POWER_STATUS << 4),
0x3, 0x3);
msleep(40);
+ rt1308_apply_calib_params(rt1308);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_update_bits(component,
@@ -601,19 +619,32 @@ static const struct sdw_slave_ops rt1308_slave_ops = {
.bus_config = rt1308_bus_config,
};
+static int rt1308_sdw_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 const struct snd_soc_component_driver soc_component_sdw_rt1308 = {
+ .probe = rt1308_sdw_component_probe,
.controls = rt1308_snd_controls,
.num_controls = ARRAY_SIZE(rt1308_snd_controls),
.dapm_widgets = rt1308_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt1308_dapm_widgets),
.dapm_routes = rt1308_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rt1308_dapm_routes),
+ .endianness = 1,
};
static const struct snd_soc_dai_ops rt1308_aif_dai_ops = {
.hw_params = rt1308_sdw_hw_params,
.hw_free = rt1308_sdw_pcm_hw_free,
- .set_sdw_stream = rt1308_set_sdw_stream,
+ .set_stream = rt1308_set_sdw_stream,
.shutdown = rt1308_sdw_shutdown,
.set_tdm_slot = rt1308_sdw_set_tdm_slot,
};
@@ -683,6 +714,16 @@ static int rt1308_sdw_probe(struct sdw_slave *slave,
return 0;
}
+static int rt1308_sdw_remove(struct sdw_slave *slave)
+{
+ struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(&slave->dev);
+
+ if (rt1308->first_hw_init)
+ pm_runtime_disable(&slave->dev);
+
+ return 0;
+}
+
static const struct sdw_device_id rt1308_id[] = {
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1308, 0x2, 0, 0),
{},
@@ -719,6 +760,8 @@ static int __maybe_unused rt1308_dev_resume(struct device *dev)
msecs_to_jiffies(RT1308_PROBE_TIMEOUT));
if (!time) {
dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ sdw_show_ping_status(slave->bus, true);
+
return -ETIMEDOUT;
}
@@ -742,6 +785,7 @@ static struct sdw_driver rt1308_sdw_driver = {
.pm = &rt1308_pm,
},
.probe = rt1308_sdw_probe,
+ .remove = rt1308_sdw_remove,
.ops = &rt1308_slave_ops,
.id_table = rt1308_id,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.