summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/tas2562.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/tas2562.c')
-rw-r--r--sound/soc/codecs/tas2562.c827
1 files changed, 827 insertions, 0 deletions
diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c
new file mode 100644
index 000000000..f1ff204e3
--- /dev/null
+++ b/sound/soc/codecs/tas2562.c
@@ -0,0 +1,827 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Driver for the Texas Instruments TAS2562 CODEC
+// Copyright (C) 2019 Texas Instruments Inc.
+
+
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <linux/delay.h>
+
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
+
+#include "tas2562.h"
+
+#define TAS2562_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FORMAT_S32_LE)
+
+/* DVC equation involves floating point math
+ * round(10^(volume in dB/20)*2^30)
+ * so create a lookup table for 2dB step
+ */
+static const unsigned int float_vol_db_lookup[] = {
+0x00000d43, 0x000010b2, 0x00001505, 0x00001a67, 0x00002151,
+0x000029f1, 0x000034cd, 0x00004279, 0x000053af, 0x0000695b,
+0x0000695b, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a,
+0x0001a36e, 0x00021008, 0x000298c0, 0x000344df, 0x00041d8f,
+0x00052e5a, 0x000685c8, 0x00083621, 0x000a566d, 0x000d03a7,
+0x0010624d, 0x0014a050, 0x0019f786, 0x0020b0bc, 0x0029279d,
+0x0033cf8d, 0x004139d3, 0x00521d50, 0x00676044, 0x0082248a,
+0x00a3d70a, 0x00ce4328, 0x0103ab3d, 0x0146e75d, 0x019b8c27,
+0x02061b89, 0x028c423f, 0x03352529, 0x0409c2b0, 0x05156d68,
+0x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987, 0x143d1362,
+0x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617, 0x40000000
+};
+
+struct tas2562_data {
+ struct snd_soc_component *component;
+ struct gpio_desc *sdz_gpio;
+ struct regmap *regmap;
+ struct device *dev;
+ struct i2c_client *client;
+ int v_sense_slot;
+ int i_sense_slot;
+ int volume_lvl;
+ int model_id;
+};
+
+enum tas256x_model {
+ TAS2562,
+ TAS2563,
+ TAS2564,
+ TAS2110,
+};
+
+static int tas2562_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ struct tas2562_data *tas2562 =
+ snd_soc_component_get_drvdata(component);
+
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ snd_soc_component_update_bits(component,
+ TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK, TAS2562_ACTIVE);
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ case SND_SOC_BIAS_PREPARE:
+ snd_soc_component_update_bits(component,
+ TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK, TAS2562_MUTE);
+ break;
+ case SND_SOC_BIAS_OFF:
+ snd_soc_component_update_bits(component,
+ TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK, TAS2562_SHUTDOWN);
+ break;
+
+ default:
+ dev_err(tas2562->dev,
+ "wrong power level setting %d\n", level);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate)
+{
+ int samp_rate;
+ int ramp_rate;
+
+ switch (samplerate) {
+ case 7350:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
+ break;
+ case 8000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
+ break;
+ case 14700:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
+ break;
+ case 16000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
+ break;
+ case 22050:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
+ break;
+ case 24000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
+ break;
+ case 29400:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
+ break;
+ case 32000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
+ break;
+ case 44100:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
+ break;
+ case 48000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
+ break;
+ case 88200:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
+ break;
+ case 96000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
+ break;
+ case 176400:
+ ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
+ break;
+ case 192000:
+ ramp_rate = 0;
+ samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
+ break;
+ default:
+ dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n",
+ __func__, samplerate);
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
+ TAS2562_TDM_CFG0_RAMPRATE_MASK, ramp_rate);
+ snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
+ TAS2562_TDM_CFG0_SAMPRATE_MASK, samp_rate);
+
+ return 0;
+}
+
+static int tas2562_set_dai_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct snd_soc_component *component = dai->component;
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+ int left_slot, right_slot;
+ int slots_cfg;
+ int ret;
+
+ if (!tx_mask) {
+ dev_err(component->dev, "tx masks must not be 0\n");
+ return -EINVAL;
+ }
+
+ if (slots == 1) {
+ if (tx_mask != 1)
+ return -EINVAL;
+
+ left_slot = 0;
+ right_slot = 0;
+ } else {
+ left_slot = __ffs(tx_mask);
+ tx_mask &= ~(1 << left_slot);
+ if (tx_mask == 0) {
+ right_slot = left_slot;
+ } else {
+ right_slot = __ffs(tx_mask);
+ tx_mask &= ~(1 << right_slot);
+ }
+ }
+
+ slots_cfg = (right_slot << TAS2562_RIGHT_SLOT_SHIFT) | left_slot;
+
+ ret = snd_soc_component_write(component, TAS2562_TDM_CFG3, slots_cfg);
+ if (ret < 0)
+ return ret;
+
+ switch (slot_width) {
+ case 16:
+ ret = snd_soc_component_update_bits(component,
+ TAS2562_TDM_CFG2,
+ TAS2562_TDM_CFG2_RXLEN_MASK,
+ TAS2562_TDM_CFG2_RXLEN_16B);
+ break;
+ case 24:
+ ret = snd_soc_component_update_bits(component,
+ TAS2562_TDM_CFG2,
+ TAS2562_TDM_CFG2_RXLEN_MASK,
+ TAS2562_TDM_CFG2_RXLEN_24B);
+ break;
+ case 32:
+ ret = snd_soc_component_update_bits(component,
+ TAS2562_TDM_CFG2,
+ TAS2562_TDM_CFG2_RXLEN_MASK,
+ TAS2562_TDM_CFG2_RXLEN_32B);
+ break;
+
+ case 0:
+ /* Do not change slot width */
+ break;
+ default:
+ dev_err(tas2562->dev, "slot width not supported");
+ ret = -EINVAL;
+ }
+
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG5,
+ TAS2562_TDM_CFG5_VSNS_SLOT_MASK,
+ tas2562->v_sense_slot);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG6,
+ TAS2562_TDM_CFG6_ISNS_SLOT_MASK,
+ tas2562->i_sense_slot);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)
+{
+ int ret;
+ int val;
+ int sense_en;
+
+ switch (bitwidth) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ snd_soc_component_update_bits(tas2562->component,
+ TAS2562_TDM_CFG2,
+ TAS2562_TDM_CFG2_RXWLEN_MASK,
+ TAS2562_TDM_CFG2_RXWLEN_16B);
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ snd_soc_component_update_bits(tas2562->component,
+ TAS2562_TDM_CFG2,
+ TAS2562_TDM_CFG2_RXWLEN_MASK,
+ TAS2562_TDM_CFG2_RXWLEN_24B);
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ snd_soc_component_update_bits(tas2562->component,
+ TAS2562_TDM_CFG2,
+ TAS2562_TDM_CFG2_RXWLEN_MASK,
+ TAS2562_TDM_CFG2_RXWLEN_32B);
+ break;
+
+ default:
+ dev_info(tas2562->dev, "Unsupported bitwidth format\n");
+ return -EINVAL;
+ }
+
+ val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL);
+ if (val < 0)
+ return val;
+
+ if (val & (1 << TAS2562_VSENSE_POWER_EN))
+ sense_en = 0;
+ else
+ sense_en = TAS2562_TDM_CFG5_VSNS_EN;
+
+ ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5,
+ TAS2562_TDM_CFG5_VSNS_EN, sense_en);
+ if (ret < 0)
+ return ret;
+
+ if (val & (1 << TAS2562_ISENSE_POWER_EN))
+ sense_en = 0;
+ else
+ sense_en = TAS2562_TDM_CFG6_ISNS_EN;
+
+ ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6,
+ TAS2562_TDM_CFG6_ISNS_EN, sense_en);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int tas2562_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 tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ ret = tas2562_set_bitwidth(tas2562, params_format(params));
+ if (ret) {
+ dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
+ return ret;
+ }
+
+ ret = tas2562_set_samplerate(tas2562, params_rate(params));
+ if (ret)
+ dev_err(tas2562->dev, "set sample rate failed, %d\n", ret);
+
+ return ret;
+}
+
+static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_component *component = dai->component;
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+ u8 asi_cfg_1 = 0;
+ u8 tdm_rx_start_slot = 0;
+ int ret;
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ asi_cfg_1 = 0;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING;
+ break;
+ default:
+ dev_err(tas2562->dev, "ASI format Inverse is not found\n");
+ return -EINVAL;
+ }
+
+ ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
+ TAS2562_TDM_CFG1_RX_EDGE_MASK,
+ asi_cfg_1);
+ if (ret < 0) {
+ dev_err(tas2562->dev, "Failed to set RX edge\n");
+ return ret;
+ }
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_LEFT_J:
+ case SND_SOC_DAIFMT_DSP_B:
+ tdm_rx_start_slot = 0;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_DSP_A:
+ tdm_rx_start_slot = 1;
+ break;
+ default:
+ dev_err(tas2562->dev,
+ "DAI Format is not found, fmt=0x%x\n", fmt);
+ return -EINVAL;
+ }
+
+ ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
+ TAS2562_RX_OFF_MASK, (tdm_rx_start_slot << 1));
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction)
+{
+ struct snd_soc_component *component = dai->component;
+
+ return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK,
+ mute ? TAS2562_MUTE : 0);
+}
+
+static int tas2562_codec_probe(struct snd_soc_component *component)
+{
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ tas2562->component = component;
+
+ if (tas2562->sdz_gpio)
+ gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
+
+ ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK, TAS2562_MUTE);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int tas2562_suspend(struct snd_soc_component *component)
+{
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(tas2562->regmap, true);
+ regcache_mark_dirty(tas2562->regmap);
+
+ if (tas2562->sdz_gpio)
+ gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);
+
+ return 0;
+}
+
+static int tas2562_resume(struct snd_soc_component *component)
+{
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+
+ if (tas2562->sdz_gpio)
+ gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
+
+ regcache_cache_only(tas2562->regmap, false);
+
+ return regcache_sync(tas2562->regmap);
+}
+#else
+#define tas2562_suspend NULL
+#define tas2562_resume NULL
+#endif
+
+static const char * const tas2562_ASI1_src[] = {
+ "I2C offset", "Left", "Right", "LeftRightDiv2",
+};
+
+static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4,
+ tas2562_ASI1_src);
+
+static const struct snd_kcontrol_new tas2562_asi1_mux =
+ SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum);
+
+static int tas2562_dac_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 tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+ int ret;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ ret = snd_soc_component_update_bits(component,
+ TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK,
+ TAS2562_MUTE);
+ if (ret)
+ goto end;
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ ret = snd_soc_component_update_bits(component,
+ TAS2562_PWR_CTRL,
+ TAS2562_MODE_MASK,
+ TAS2562_SHUTDOWN);
+ if (ret)
+ goto end;
+ break;
+ default:
+ dev_err(tas2562->dev, "Not supported evevt\n");
+ return -EINVAL;
+ }
+
+end:
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.integer.value[0] = tas2562->volume_lvl;
+ return 0;
+}
+
+static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
+ int ret;
+ u32 reg_val;
+
+ reg_val = float_vol_db_lookup[ucontrol->value.integer.value[0]/2];
+ ret = snd_soc_component_write(component, TAS2562_DVC_CFG4,
+ (reg_val & 0xff));
+ if (ret)
+ return ret;
+ ret = snd_soc_component_write(component, TAS2562_DVC_CFG3,
+ ((reg_val >> 8) & 0xff));
+ if (ret)
+ return ret;
+ ret = snd_soc_component_write(component, TAS2562_DVC_CFG2,
+ ((reg_val >> 16) & 0xff));
+ if (ret)
+ return ret;
+ ret = snd_soc_component_write(component, TAS2562_DVC_CFG1,
+ ((reg_val >> 24) & 0xff));
+ if (ret)
+ return ret;
+
+ tas2562->volume_lvl = ucontrol->value.integer.value[0];
+
+ return ret;
+}
+
+/* Digital Volume Control. From 0 dB to -110 dB in 1 dB steps */
+static const DECLARE_TLV_DB_SCALE(dvc_tlv, -11000, 100, 0);
+
+static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0);
+
+static const struct snd_kcontrol_new isense_switch =
+ SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN,
+ 1, 1);
+
+static const struct snd_kcontrol_new vsense_switch =
+ SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN,
+ 1, 1);
+
+static const struct snd_kcontrol_new tas2562_snd_controls[] = {
+ SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 1, 0x1c, 0,
+ tas2562_dac_tlv),
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Digital Volume Control",
+ .index = 0,
+ .tlv.p = dvc_tlv,
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .info = snd_soc_info_volsw,
+ .get = tas2562_volume_control_get,
+ .put = tas2562_volume_control_put,
+ .private_value = SOC_SINGLE_VALUE(TAS2562_DVC_CFG1, 0, 110, 0, 0),
+ },
+};
+
+static const struct snd_soc_dapm_widget tas2110_dapm_widgets[] = {
+ SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
+ SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_OUTPUT("OUT"),
+};
+
+static const struct snd_soc_dapm_route tas2110_audio_map[] = {
+ {"ASI1 Sel", "I2C offset", "ASI1"},
+ {"ASI1 Sel", "Left", "ASI1"},
+ {"ASI1 Sel", "Right", "ASI1"},
+ {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
+ { "DAC", NULL, "ASI1 Sel" },
+ { "OUT", NULL, "DAC" },
+};
+
+static const struct snd_soc_component_driver soc_component_dev_tas2110 = {
+ .probe = tas2562_codec_probe,
+ .suspend = tas2562_suspend,
+ .resume = tas2562_resume,
+ .set_bias_level = tas2562_set_bias_level,
+ .controls = tas2562_snd_controls,
+ .num_controls = ARRAY_SIZE(tas2562_snd_controls),
+ .dapm_widgets = tas2110_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tas2110_dapm_widgets),
+ .dapm_routes = tas2110_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(tas2110_audio_map),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct snd_soc_dapm_widget tas2562_dapm_widgets[] = {
+ SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
+ SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_SWITCH("ISENSE", TAS2562_PWR_CTRL, 3, 1, &isense_switch),
+ SND_SOC_DAPM_SWITCH("VSENSE", TAS2562_PWR_CTRL, 2, 1, &vsense_switch),
+ SND_SOC_DAPM_SIGGEN("VMON"),
+ SND_SOC_DAPM_SIGGEN("IMON"),
+ SND_SOC_DAPM_OUTPUT("OUT"),
+};
+
+static const struct snd_soc_dapm_route tas2562_audio_map[] = {
+ {"ASI1 Sel", "I2C offset", "ASI1"},
+ {"ASI1 Sel", "Left", "ASI1"},
+ {"ASI1 Sel", "Right", "ASI1"},
+ {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
+ { "DAC", NULL, "ASI1 Sel" },
+ { "OUT", NULL, "DAC" },
+ {"ISENSE", "Switch", "IMON"},
+ {"VSENSE", "Switch", "VMON"},
+};
+
+static const struct snd_soc_component_driver soc_component_dev_tas2562 = {
+ .probe = tas2562_codec_probe,
+ .suspend = tas2562_suspend,
+ .resume = tas2562_resume,
+ .set_bias_level = tas2562_set_bias_level,
+ .controls = tas2562_snd_controls,
+ .num_controls = ARRAY_SIZE(tas2562_snd_controls),
+ .dapm_widgets = tas2562_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tas2562_dapm_widgets),
+ .dapm_routes = tas2562_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(tas2562_audio_map),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = {
+ .hw_params = tas2562_hw_params,
+ .set_fmt = tas2562_set_dai_fmt,
+ .set_tdm_slot = tas2562_set_dai_tdm_slot,
+ .mute_stream = tas2562_mute,
+ .no_capture_mute = 1,
+};
+
+static struct snd_soc_dai_driver tas2562_dai[] = {
+ {
+ .name = "tas2562-amplifier",
+ .id = 0,
+ .playback = {
+ .stream_name = "ASI1 Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = TAS2562_FORMATS,
+ },
+ .capture = {
+ .stream_name = "ASI1 Capture",
+ .channels_min = 0,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = TAS2562_FORMATS,
+ },
+ .ops = &tas2562_speaker_dai_ops,
+ },
+};
+
+static const struct regmap_range_cfg tas2562_ranges[] = {
+ {
+ .range_min = 0,
+ .range_max = 5 * 128,
+ .selector_reg = TAS2562_PAGE_CTRL,
+ .selector_mask = 0xff,
+ .selector_shift = 0,
+ .window_start = 0,
+ .window_len = 128,
+ },
+};
+
+static const struct reg_default tas2562_reg_defaults[] = {
+ { TAS2562_PAGE_CTRL, 0x00 },
+ { TAS2562_SW_RESET, 0x00 },
+ { TAS2562_PWR_CTRL, 0x0e },
+ { TAS2562_PB_CFG1, 0x20 },
+ { TAS2562_TDM_CFG0, 0x09 },
+ { TAS2562_TDM_CFG1, 0x02 },
+ { TAS2562_DVC_CFG1, 0x40 },
+ { TAS2562_DVC_CFG2, 0x40 },
+ { TAS2562_DVC_CFG3, 0x00 },
+ { TAS2562_DVC_CFG4, 0x00 },
+};
+
+static const struct regmap_config tas2562_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+
+ .max_register = 5 * 128,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = tas2562_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(tas2562_reg_defaults),
+ .ranges = tas2562_ranges,
+ .num_ranges = ARRAY_SIZE(tas2562_ranges),
+};
+
+static int tas2562_parse_dt(struct tas2562_data *tas2562)
+{
+ struct device *dev = tas2562->dev;
+ int ret = 0;
+
+ tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
+ if (IS_ERR(tas2562->sdz_gpio)) {
+ if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ tas2562->sdz_gpio = NULL;
+ }
+
+ /*
+ * The shut-down property is deprecated but needs to be checked for
+ * backwards compatibility.
+ */
+ if (tas2562->sdz_gpio == NULL) {
+ tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(tas2562->sdz_gpio))
+ if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ tas2562->sdz_gpio = NULL;
+ }
+
+ if (tas2562->model_id == TAS2110)
+ return ret;
+
+ ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
+ &tas2562->i_sense_slot);
+ if (ret) {
+ dev_err(dev, "Property %s is missing setting default slot\n",
+ "ti,imon-slot-no");
+ tas2562->i_sense_slot = 0;
+ }
+
+
+ ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
+ &tas2562->v_sense_slot);
+ if (ret) {
+ dev_info(dev, "Property %s is missing setting default slot\n",
+ "ti,vmon-slot-no");
+ tas2562->v_sense_slot = 2;
+ }
+
+ if (tas2562->v_sense_slot < tas2562->i_sense_slot) {
+ dev_err(dev, "Vsense slot must be greater than Isense slot\n");
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+static int tas2562_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct device *dev = &client->dev;
+ struct tas2562_data *data;
+ int ret;
+
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->client = client;
+ data->dev = &client->dev;
+ data->model_id = id->driver_data;
+
+ tas2562_parse_dt(data);
+
+ data->regmap = devm_regmap_init_i2c(client, &tas2562_regmap_config);
+ if (IS_ERR(data->regmap)) {
+ ret = PTR_ERR(data->regmap);
+ dev_err(dev, "failed to allocate register map: %d\n", ret);
+ return ret;
+ }
+
+ dev_set_drvdata(&client->dev, data);
+
+ if (data->model_id == TAS2110)
+ return devm_snd_soc_register_component(dev,
+ &soc_component_dev_tas2110,
+ tas2562_dai,
+ ARRAY_SIZE(tas2562_dai));
+
+ return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562,
+ tas2562_dai,
+ ARRAY_SIZE(tas2562_dai));
+
+}
+
+static const struct i2c_device_id tas2562_id[] = {
+ { "tas2562", TAS2562 },
+ { "tas2563", TAS2563 },
+ { "tas2564", TAS2564 },
+ { "tas2110", TAS2110 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tas2562_id);
+
+static const struct of_device_id tas2562_of_match[] = {
+ { .compatible = "ti,tas2562", },
+ { .compatible = "ti,tas2563", },
+ { .compatible = "ti,tas2564", },
+ { .compatible = "ti,tas2110", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tas2562_of_match);
+
+static struct i2c_driver tas2562_i2c_driver = {
+ .driver = {
+ .name = "tas2562",
+ .of_match_table = of_match_ptr(tas2562_of_match),
+ },
+ .probe = tas2562_probe,
+ .id_table = tas2562_id,
+};
+
+module_i2c_driver(tas2562_i2c_driver);
+
+MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
+MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 23:22:18 +0000