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path: root/sound/soc/codecs/rt5682-sdw.c
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Diffstat (limited to 'sound/soc/codecs/rt5682-sdw.c')
-rw-r--r--sound/soc/codecs/rt5682-sdw.c462
1 files changed, 457 insertions, 5 deletions
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index a2d1d3ae1e31..4cecc5ce545c 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -14,6 +14,7 @@
#include <linux/acpi.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
+#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/mutex.h>
#include <linux/soundwire/sdw.h>
@@ -28,7 +29,461 @@
#include <sound/tlv.h>
#include "rt5682.h"
-#include "rt5682-sdw.h"
+
+#define RT5682_SDW_ADDR_L 0x3000
+#define RT5682_SDW_ADDR_H 0x3001
+#define RT5682_SDW_DATA_L 0x3004
+#define RT5682_SDW_DATA_H 0x3005
+#define RT5682_SDW_CMD 0x3008
+
+static int rt5682_sdw_read(void *context, unsigned int reg, unsigned int *val)
+{
+ struct device *dev = context;
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+ unsigned int data_l, data_h;
+
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 0);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
+ regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_H, &data_h);
+ regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_L, &data_l);
+
+ *val = (data_h << 8) | data_l;
+
+ dev_vdbg(dev, "[%s] %04x => %04x\n", __func__, reg, *val);
+
+ return 0;
+}
+
+static int rt5682_sdw_write(void *context, unsigned int reg, unsigned int val)
+{
+ struct device *dev = context;
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 1);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_H, (val >> 8) & 0xff);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_L, (val & 0xff));
+
+ dev_vdbg(dev, "[%s] %04x <= %04x\n", __func__, reg, val);
+
+ return 0;
+}
+
+static const struct regmap_config rt5682_sdw_indirect_regmap = {
+ .reg_bits = 16,
+ .val_bits = 16,
+ .max_register = RT5682_I2C_MODE,
+ .volatile_reg = rt5682_volatile_register,
+ .readable_reg = rt5682_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt5682_reg,
+ .num_reg_defaults = RT5682_REG_NUM,
+ .use_single_read = true,
+ .use_single_write = true,
+ .reg_read = rt5682_sdw_read,
+ .reg_write = rt5682_sdw_write,
+};
+
+struct sdw_stream_data {
+ struct sdw_stream_runtime *sdw_stream;
+};
+
+static int rt5682_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 = (struct sdw_stream_runtime *)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 rt5682_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 rt5682_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 rt5682_priv *rt5682 = 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;
+ unsigned int val_p = 0, val_c = 0, osr_p = 0, osr_c = 0;
+
+ dev_dbg(dai->dev, "%s %s", __func__, dai->name);
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+ if (!stream)
+ return -ENOMEM;
+
+ if (!rt5682->slave)
+ return -EINVAL;
+
+ /* SoundWire specific configuration */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ direction = SDW_DATA_DIR_RX;
+ port = 1;
+ } else {
+ direction = SDW_DATA_DIR_TX;
+ port = 2;
+ }
+
+ stream_config.frame_rate = params_rate(params);
+ stream_config.ch_count = params_channels(params);
+ stream_config.bps = snd_pcm_format_width(params_format(params));
+ stream_config.direction = direction;
+
+ num_channels = params_channels(params);
+ port_config.ch_mask = (1 << (num_channels)) - 1;
+ port_config.num = port;
+
+ retval = sdw_stream_add_slave(rt5682->slave, &stream_config,
+ &port_config, 1, stream->sdw_stream);
+ if (retval) {
+ dev_err(dai->dev, "Unable to configure port\n");
+ return retval;
+ }
+
+ switch (params_rate(params)) {
+ case 48000:
+ val_p = RT5682_SDW_REF_1_48K;
+ val_c = RT5682_SDW_REF_2_48K;
+ break;
+ case 96000:
+ val_p = RT5682_SDW_REF_1_96K;
+ val_c = RT5682_SDW_REF_2_96K;
+ break;
+ case 192000:
+ val_p = RT5682_SDW_REF_1_192K;
+ val_c = RT5682_SDW_REF_2_192K;
+ break;
+ case 32000:
+ val_p = RT5682_SDW_REF_1_32K;
+ val_c = RT5682_SDW_REF_2_32K;
+ break;
+ case 24000:
+ val_p = RT5682_SDW_REF_1_24K;
+ val_c = RT5682_SDW_REF_2_24K;
+ break;
+ case 16000:
+ val_p = RT5682_SDW_REF_1_16K;
+ val_c = RT5682_SDW_REF_2_16K;
+ break;
+ case 12000:
+ val_p = RT5682_SDW_REF_1_12K;
+ val_c = RT5682_SDW_REF_2_12K;
+ break;
+ case 8000:
+ val_p = RT5682_SDW_REF_1_8K;
+ val_c = RT5682_SDW_REF_2_8K;
+ break;
+ case 44100:
+ val_p = RT5682_SDW_REF_1_44K;
+ val_c = RT5682_SDW_REF_2_44K;
+ break;
+ case 88200:
+ val_p = RT5682_SDW_REF_1_88K;
+ val_c = RT5682_SDW_REF_2_88K;
+ break;
+ case 176400:
+ val_p = RT5682_SDW_REF_1_176K;
+ val_c = RT5682_SDW_REF_2_176K;
+ break;
+ case 22050:
+ val_p = RT5682_SDW_REF_1_22K;
+ val_c = RT5682_SDW_REF_2_22K;
+ break;
+ case 11025:
+ val_p = RT5682_SDW_REF_1_11K;
+ val_c = RT5682_SDW_REF_2_11K;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (params_rate(params) <= 48000) {
+ osr_p = RT5682_DAC_OSR_D_8;
+ osr_c = RT5682_ADC_OSR_D_8;
+ } else if (params_rate(params) <= 96000) {
+ osr_p = RT5682_DAC_OSR_D_4;
+ osr_c = RT5682_ADC_OSR_D_4;
+ } else {
+ osr_p = RT5682_DAC_OSR_D_2;
+ osr_c = RT5682_ADC_OSR_D_2;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
+ RT5682_SDW_REF_1_MASK, val_p);
+ regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
+ RT5682_DAC_OSR_MASK, osr_p);
+ } else {
+ regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
+ RT5682_SDW_REF_2_MASK, val_c);
+ regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
+ RT5682_ADC_OSR_MASK, osr_c);
+ }
+
+ return retval;
+}
+
+static int rt5682_sdw_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
+ struct sdw_stream_data *stream =
+ snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!rt5682->slave)
+ return -EINVAL;
+
+ sdw_stream_remove_slave(rt5682->slave, stream->sdw_stream);
+ return 0;
+}
+
+static struct snd_soc_dai_ops rt5682_sdw_ops = {
+ .hw_params = rt5682_sdw_hw_params,
+ .hw_free = rt5682_sdw_hw_free,
+ .set_sdw_stream = rt5682_set_sdw_stream,
+ .shutdown = rt5682_sdw_shutdown,
+};
+
+static struct snd_soc_dai_driver rt5682_dai[] = {
+ {
+ .name = "rt5682-aif1",
+ .id = RT5682_AIF1,
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AIF1 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_aif1_dai_ops,
+ },
+ {
+ .name = "rt5682-aif2",
+ .id = RT5682_AIF2,
+ .capture = {
+ .stream_name = "AIF2 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_aif2_dai_ops,
+ },
+ {
+ .name = "rt5682-sdw",
+ .id = RT5682_SDW,
+ .playback = {
+ .stream_name = "SDW Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .capture = {
+ .stream_name = "SDW Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_sdw_ops,
+ },
+};
+
+static int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
+ struct sdw_slave *slave)
+{
+ struct rt5682_priv *rt5682;
+ int ret;
+
+ rt5682 = devm_kzalloc(dev, sizeof(*rt5682), GFP_KERNEL);
+ if (!rt5682)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, rt5682);
+ rt5682->slave = slave;
+ rt5682->sdw_regmap = regmap;
+ rt5682->is_sdw = true;
+
+ rt5682->regmap = devm_regmap_init(dev, NULL, dev,
+ &rt5682_sdw_indirect_regmap);
+ if (IS_ERR(rt5682->regmap)) {
+ ret = PTR_ERR(rt5682->regmap);
+ dev_err(dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ /*
+ * Mark hw_init to false
+ * HW init will be performed when device reports present
+ */
+ rt5682->hw_init = false;
+ rt5682->first_hw_init = false;
+
+ mutex_init(&rt5682->calibrate_mutex);
+ INIT_DELAYED_WORK(&rt5682->jack_detect_work,
+ rt5682_jack_detect_handler);
+
+ ret = devm_snd_soc_register_component(dev,
+ &rt5682_soc_component_dev,
+ rt5682_dai, ARRAY_SIZE(rt5682_dai));
+ dev_dbg(&slave->dev, "%s\n", __func__);
+
+ return ret;
+}
+
+static int rt5682_io_init(struct device *dev, struct sdw_slave *slave)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+ int ret = 0;
+ unsigned int val;
+
+ if (rt5682->hw_init)
+ return 0;
+
+ regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
+ if (val != DEVICE_ID) {
+ dev_err(dev, "Device with ID register %x is not rt5682\n", val);
+ return -ENODEV;
+ }
+
+ /*
+ * PM runtime is only enabled when a Slave reports as Attached
+ */
+ if (!rt5682->first_hw_init) {
+ /* 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);
+
+ if (rt5682->first_hw_init) {
+ regcache_cache_only(rt5682->regmap, false);
+ regcache_cache_bypass(rt5682->regmap, true);
+ }
+
+ rt5682_calibrate(rt5682);
+
+ if (rt5682->first_hw_init) {
+ regcache_cache_bypass(rt5682->regmap, false);
+ regcache_mark_dirty(rt5682->regmap);
+ regcache_sync(rt5682->regmap);
+
+ /* volatile registers */
+ regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
+ RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
+
+ goto reinit;
+ }
+
+ rt5682_apply_patch_list(rt5682, dev);
+
+ regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
+
+ regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
+ RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
+ RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
+ regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0380);
+ regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
+ regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
+ RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
+ regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
+ RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
+ regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
+ RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
+
+ /* Soundwire */
+ regmap_write(rt5682->regmap, RT5682_PLL2_INTERNAL, 0xa266);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_1, 0x1700);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_2, 0x0006);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_3, 0x2600);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_4, 0x0c8f);
+ regmap_write(rt5682->regmap, RT5682_PLL_TRACK_2, 0x3000);
+ regmap_write(rt5682->regmap, RT5682_PLL_TRACK_3, 0x4000);
+ regmap_update_bits(rt5682->regmap, RT5682_GLB_CLK,
+ RT5682_SCLK_SRC_MASK | RT5682_PLL2_SRC_MASK,
+ RT5682_SCLK_SRC_PLL2 | RT5682_PLL2_SRC_SDW);
+
+ regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
+ RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
+ regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd042);
+ regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_3,
+ RT5682_CBJ_IN_BUF_EN, RT5682_CBJ_IN_BUF_EN);
+ regmap_update_bits(rt5682->regmap, RT5682_SAR_IL_CMD_1,
+ RT5682_SAR_POW_MASK, RT5682_SAR_POW_EN);
+ regmap_update_bits(rt5682->regmap, RT5682_RC_CLK_CTRL,
+ RT5682_POW_IRQ | RT5682_POW_JDH |
+ RT5682_POW_ANA, RT5682_POW_IRQ |
+ RT5682_POW_JDH | RT5682_POW_ANA);
+ regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_2,
+ RT5682_PWR_JDH, RT5682_PWR_JDH);
+ regmap_update_bits(rt5682->regmap, RT5682_IRQ_CTRL_2,
+ RT5682_JD1_EN_MASK | RT5682_JD1_IRQ_MASK,
+ RT5682_JD1_EN | RT5682_JD1_IRQ_PUL);
+
+reinit:
+ mod_delayed_work(system_power_efficient_wq,
+ &rt5682->jack_detect_work, msecs_to_jiffies(250));
+
+ /* Mark Slave initialization complete */
+ rt5682->hw_init = true;
+ rt5682->first_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 ret;
+}
static bool rt5682_sdw_readable_register(struct device *dev, unsigned int reg)
{
@@ -46,7 +501,7 @@ static bool rt5682_sdw_readable_register(struct device *dev, unsigned int reg)
}
}
-const struct regmap_config rt5682_sdw_regmap = {
+static const struct regmap_config rt5682_sdw_regmap = {
.name = "sdw",
.reg_bits = 32,
.val_bits = 8,
@@ -241,9 +696,6 @@ static int rt5682_sdw_probe(struct sdw_slave *slave,
{
struct regmap *regmap;
- /* Assign ops */
- slave->ops = &rt5682_slave_ops;
-
/* Regmap Initialization */
regmap = devm_regmap_init_sdw(slave, &rt5682_sdw_regmap);
if (IS_ERR(regmap))