--- /dev/null
+/*
+ * linux/sound/soc/codecs/aml_codec_tl1_acodec.c
+ *
+ * Copyright 2017 AMLogic, Inc.
+ *
+ * Author: shuyu.li <shuyu.li@amlogic.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/io.h>
+#include <linux/of.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 <linux/regmap.h>
+
+#include <linux/amlogic/iomap.h>
+#include <linux/amlogic/media/sound/auge_utils.h>
+#include <linux/amlogic/media/sound/aiu_regs.h>
+
+#include "aml_codec_tl1_acodec.h"
+
+struct tl1_acodec_priv {
+ struct snd_soc_codec *codec;
+ struct snd_pcm_hw_params *params;
+ struct regmap *regmap;
+
+ int tdmout_index;
+};
+
+static const struct reg_default tl1_acodec_init_list[] = {
+ {ACODEC_0, 0x3403BFCF},
+ {ACODEC_1, 0x50502929},
+ {ACODEC_2, 0xFBFB0000},
+ {ACODEC_3, 0x00002222},
+ {ACODEC_4, 0x00010000},
+ {ACODEC_5, 0xFBFB0033},
+ {ACODEC_6, 0x0},
+ {ACODEC_7, 0x0}
+};
+
+static int tl1_acodec_reg_init(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(tl1_acodec_init_list); i++)
+ snd_soc_write(codec, tl1_acodec_init_list[i].reg,
+ tl1_acodec_init_list[i].def);
+
+ return 0;
+}
+
+static int aml_DAC_Gain_get_enum(
+ struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+
+ u32 reg_addr = ACODEC_1;
+ u32 val = snd_soc_read(codec, reg_addr);
+ u32 val1 = (val & (0x1 << REG_DAC_GAIN_SEL_0))
+ >> REG_DAC_GAIN_SEL_0;
+ u32 val2 = (val & (0x1 << REG_DAC_GAIN_SEL_1))
+ >> (REG_DAC_GAIN_SEL_1);
+ val = val1 | (val2<<1);
+
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static int aml_DAC_Gain_set_enum(
+ struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ u32 reg_addr = ACODEC_1;
+ u32 val = snd_soc_read(codec, reg_addr);
+
+ if (ucontrol->value.enumerated.item[0] == 0) {
+ val &= ~(0x1 << REG_DAC_GAIN_SEL_1);
+ val &= ~(0x1 << REG_DAC_GAIN_SEL_0);
+ } else if (ucontrol->value.enumerated.item[0] == 1) {
+ val &= ~(0x1 << REG_DAC_GAIN_SEL_1);
+ val |= (0x1 << REG_DAC_GAIN_SEL_0);
+ pr_info("It has risk of distortion!\n");
+ } else if (ucontrol->value.enumerated.item[0] == 2) {
+ val |= (0x1 << REG_DAC_GAIN_SEL_1);
+ val &= ~(0x1 << REG_DAC_GAIN_SEL_0);
+ pr_info("It has risk of distortion!\n");
+ } else if (ucontrol->value.enumerated.item[0] == 3) {
+ val |= (0x1 << REG_DAC_GAIN_SEL_1);
+ val |= (0x1 << REG_DAC_GAIN_SEL_0);
+ pr_info("It has risk of distortion!\n");
+ }
+
+ snd_soc_write(codec, val, reg_addr);
+ return 0;
+}
+
+static int aml_DAC2_Gain_get_enum(
+ struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+
+ u32 reg_addr = ACODEC_7;
+ u32 val = snd_soc_read(codec, reg_addr);
+ u32 val1 = (val & (0x1 << REG_DAC2_GAIN_SEL_0))
+ >> REG_DAC_GAIN_SEL_0;
+ u32 val2 = (val & (0x1 << REG_DAC2_GAIN_SEL_1))
+ >> (REG_DAC2_GAIN_SEL_1);
+ val = val1 | (val2<<1);
+
+ ucontrol->value.enumerated.item[0] = val;
+ return 0;
+}
+
+static int aml_DAC2_Gain_set_enum(
+ struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ u32 reg_addr = ACODEC_7;
+ u32 val = snd_soc_read(codec, reg_addr);
+
+ if (ucontrol->value.enumerated.item[0] == 0) {
+ val &= ~(0x1 << REG_DAC2_GAIN_SEL_1);
+ val &= ~(0x1 << REG_DAC2_GAIN_SEL_0);
+ } else if (ucontrol->value.enumerated.item[0] == 1) {
+ val &= ~(0x1 << REG_DAC2_GAIN_SEL_1);
+ val |= (0x1 << REG_DAC2_GAIN_SEL_0);
+ pr_info("It has risk of distortion!\n");
+ } else if (ucontrol->value.enumerated.item[0] == 2) {
+ val |= (0x1 << REG_DAC2_GAIN_SEL_1);
+ val &= ~(0x1 << REG_DAC2_GAIN_SEL_0);
+ pr_info("It has risk of distortion!\n");
+ } else if (ucontrol->value.enumerated.item[0] == 3) {
+ val |= (0x1 << REG_DAC2_GAIN_SEL_1);
+ val |= (0x1 << REG_DAC2_GAIN_SEL_0);
+ pr_info("It has risk of distortion!\n");
+ }
+
+ snd_soc_write(codec, val, reg_addr);
+ return 0;
+}
+
+
+static const DECLARE_TLV_DB_SCALE(pga_in_tlv, -1200, 250, 1);
+static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -29625, 375, 1);
+static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -95250, 375, 1);
+static const DECLARE_TLV_DB_SCALE(dac2_vol_tlv, -95250, 375, 1);
+
+static const char *const DAC_Gain_texts[] = { "0dB", "6dB", "12dB", "18dB" };
+static const char *const DAC2_Gain_texts[] = { "0dB", "6dB", "12dB", "18dB" };
+
+static const struct soc_enum DAC_Gain_enum = SOC_ENUM_SINGLE(
+ SND_SOC_NOPM, 0, ARRAY_SIZE(DAC_Gain_texts),
+ DAC_Gain_texts);
+static const struct soc_enum DAC2_Gain_enum = SOC_ENUM_SINGLE(
+ SND_SOC_NOPM, 0, ARRAY_SIZE(DAC2_Gain_texts),
+ DAC2_Gain_texts);
+
+static const struct snd_kcontrol_new tl1_acodec_snd_controls[] = {
+ /*PGA_IN Gain */
+ SOC_DOUBLE_TLV("PGA IN Gain", ACODEC_1,
+ PGAL_IN_GAIN, PGAR_IN_GAIN,
+ 0x1f, 0, pga_in_tlv),
+
+ /*ADC Digital Volume control */
+ SOC_DOUBLE_TLV("ADC Digital Capture Volume", ACODEC_1,
+ ADCL_VC, ADCR_VC,
+ 0x7f, 0, adc_vol_tlv),
+
+ /*DAC Digital Volume control */
+ SOC_DOUBLE_TLV("DAC Digital Playback Volume",
+ ACODEC_2,
+ DACL_VC, DACR_VC,
+ 0xff, 0, dac_vol_tlv),
+
+ /*DAC 2 Digital Volume control */
+ SOC_DOUBLE_TLV("DAC 2 Digital Playback Volume",
+ ACODEC_5,
+ DAC2L_VC, DAC2R_VC,
+ 0xff, 0, dac2_vol_tlv),
+
+ /*DAC extra Digital Gain control */
+ SOC_ENUM_EXT("DAC Extra Digital Gain",
+ DAC_Gain_enum,
+ aml_DAC_Gain_get_enum,
+ aml_DAC_Gain_set_enum),
+
+ /* TODO: DAC 2 extra Digital Gain control */
+ SOC_ENUM_EXT("DAC2 Extra Digital Gain",
+ DAC2_Gain_enum,
+ aml_DAC2_Gain_get_enum,
+ aml_DAC2_Gain_set_enum),
+};
+
+/*pgain Left Channel Input */
+static const char * const linein_left_txt[] = {
+ "None", "AIL1", "AIL2", "AIL3", "AIL4",
+};
+
+static const SOC_ENUM_SINGLE_DECL(linein_left_enum,
+ ACODEC_1,
+ PGAL_IN_SEL, linein_left_txt);
+
+static const struct snd_kcontrol_new lil_mux =
+SOC_DAPM_ENUM("ROUTE_L", linein_left_enum);
+
+/*pgain right Channel Input */
+static const char * const linein_right_txt[] = {
+ "None", "AIR1", "AIR2", "AIR3", "AIR4",
+};
+
+static const SOC_ENUM_SINGLE_DECL(linein_right_enum,
+ ACODEC_1,
+ PGAR_IN_SEL, linein_right_txt);
+
+static const struct snd_kcontrol_new lir_mux =
+SOC_DAPM_ENUM("ROUTE_R", linein_right_enum);
+
+
+/*line out 1 Left mux */
+static const char * const out_lo1l_txt[] = {
+ "None", "LO1L_SEL_INL", "LO1L_SEL_DACL", "Reserved", "LO1L_SEL_DACR_INV"
+};
+
+static const SOC_ENUM_SINGLE_DECL(out_lo1l_enum, ACODEC_3,
+ LO1L_SEL_INL, out_lo1l_txt);
+
+static const struct snd_kcontrol_new lo1l_mux =
+SOC_DAPM_ENUM("LO1L_MUX", out_lo1l_enum);
+
+/*line out 1 right mux */
+static const char * const out_lo1r_txt[] = {
+ "None", "LO1R_SEL_INR", "LO1R_SEL_DACR", "Reserved", "LO1R_SEL_DACL_INV"
+};
+
+static const SOC_ENUM_SINGLE_DECL(out_lo1r_enum, ACODEC_3,
+ LO1R_SEL_INR, out_lo1r_txt);
+
+static const struct snd_kcontrol_new lo1r_mux =
+SOC_DAPM_ENUM("LO1R_MUX", out_lo1r_enum);
+
+/*line out 2 left mux */
+static const char * const out_lo2l_txt[] = {
+ "None", "LO2L_SEL_INL", "LO2L_SEL_DAC2L", "Reserved",
+ "LO2L_SEL_DAC2R_INV"
+};
+
+static const SOC_ENUM_SINGLE_DECL(out_lo2l_enum, ACODEC_3,
+ LO2L_SEL_INL, out_lo2l_txt);
+
+static const struct snd_kcontrol_new lo2l_mux =
+SOC_DAPM_ENUM("LO2L_MUX", out_lo2l_enum);
+
+/*line out 2 Right mux */
+static const char * const out_lo2r_txt[] = {
+ "None", "LO2R_SEL_INR", "LO2R_SEL_DAC2R", "Reserved",
+ "LO2R_SEL_DAC2L_INV"
+};
+
+static const SOC_ENUM_SINGLE_DECL(out_lo2r_enum, ACODEC_3,
+ LO2R_SEL_INR, out_lo2r_txt);
+
+static const struct snd_kcontrol_new lo2r_mux =
+SOC_DAPM_ENUM("LO2R_MUX", out_lo2r_enum);
+
+
+static const struct snd_soc_dapm_widget tl1_acodec_dapm_widgets[] = {
+
+ /* Input */
+ SND_SOC_DAPM_INPUT("Linein left 1"),
+ SND_SOC_DAPM_INPUT("Linein left 2"),
+ SND_SOC_DAPM_INPUT("Linein left 3"),
+ SND_SOC_DAPM_INPUT("Linein left 4"),
+
+ SND_SOC_DAPM_INPUT("Linein right 1"),
+ SND_SOC_DAPM_INPUT("Linein right 2"),
+ SND_SOC_DAPM_INPUT("Linein right 3"),
+ SND_SOC_DAPM_INPUT("Linein right 4"),
+
+ /*PGA input */
+ SND_SOC_DAPM_PGA("PGAL_IN_EN", SND_SOC_NOPM,
+ 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("PGAR_IN_EN", SND_SOC_NOPM,
+ 0, 0, NULL, 0),
+
+ /*PGA input source select */
+ SND_SOC_DAPM_MUX("Linein left switch", SND_SOC_NOPM,
+ 0, 0, &lil_mux),
+ SND_SOC_DAPM_MUX("Linein right switch", SND_SOC_NOPM,
+ 0, 0, &lir_mux),
+
+ /*ADC capture stream */
+ SND_SOC_DAPM_ADC("Left ADC", "Capture", ACODEC_0,
+ ADCL_EN, 0),
+ SND_SOC_DAPM_ADC("Right ADC", "Capture", ACODEC_0,
+ ADCR_EN, 0),
+
+ /*Output */
+ SND_SOC_DAPM_OUTPUT("Lineout 1 left"),
+ SND_SOC_DAPM_OUTPUT("Lineout 1 right"),
+ SND_SOC_DAPM_OUTPUT("Lineout 2 left"),
+ SND_SOC_DAPM_OUTPUT("Lineout 2 right"),
+
+ /*DAC playback stream */
+ SND_SOC_DAPM_DAC("Left DAC", "Playback",
+ ACODEC_0,
+ DACL_EN, 0),
+ SND_SOC_DAPM_DAC("Right DAC", "Playback",
+ ACODEC_0,
+ DACR_EN, 0),
+
+ /*DAC 2 playback stream */
+ SND_SOC_DAPM_DAC("Left DAC2", "Playback",
+ ACODEC_5,
+ DAC2L_EN, 0),
+ SND_SOC_DAPM_DAC("Right DAC2", "Playback",
+ ACODEC_5,
+ DAC2R_EN, 0),
+
+ /*DRV output */
+ SND_SOC_DAPM_OUT_DRV("LO1L_OUT_EN", ACODEC_0,
+ LO1L_EN, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("LO1R_OUT_EN", ACODEC_0,
+ LO1R_EN, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("LO2L_OUT_EN", ACODEC_0,
+ LO2L_EN, 0, NULL, 0),
+ SND_SOC_DAPM_OUT_DRV("LO2R_OUT_EN", ACODEC_0,
+ LO2R_EN, 0, NULL, 0),
+
+ /*MUX output source select */
+ SND_SOC_DAPM_MUX("Lineout 1 left switch", SND_SOC_NOPM,
+ 0, 0, &lo1l_mux),
+ SND_SOC_DAPM_MUX("Lineout 1 right switch", SND_SOC_NOPM,
+ 0, 0, &lo1r_mux),
+ SND_SOC_DAPM_MUX("Lineout 2 left switch", SND_SOC_NOPM,
+ 0, 0, &lo2l_mux),
+ SND_SOC_DAPM_MUX("Lineout 2 right switch", SND_SOC_NOPM,
+ 0, 0, &lo2r_mux),
+
+};
+
+static const struct snd_soc_dapm_route tl1_acodec_dapm_routes[] = {
+/* Input path */
+ {"Linein left switch", "AIL1", "Linein left 1"},
+ {"Linein left switch", "AIL2", "Linein left 2"},
+ {"Linein left switch", "AIL3", "Linein left 3"},
+ {"Linein left switch", "AIL4", "Linein left 4"},
+
+ {"Linein right switch", "AIR1", "Linein right 1"},
+ {"Linein right switch", "AIR2", "Linein right 2"},
+ {"Linein right switch", "AIR3", "Linein right 3"},
+ {"Linein right switch", "AIR4", "Linein right 4"},
+
+ {"PGAL_IN_EN", NULL, "Linein left switch"},
+ {"PGAR_IN_EN", NULL, "Linein right switch"},
+
+ {"Left ADC", NULL, "PGAL_IN_EN"},
+ {"Right ADC", NULL, "PGAR_IN_EN"},
+
+/*Output path*/
+ {"Lineout 1 left switch", NULL, "Left DAC"},
+ {"Lineout 1 left switch", NULL, "Right DAC"},
+ {"Lineout 1 left switch", NULL, "PGAL_IN_EN"},
+
+ {"Lineout 1 right switch", NULL, "Right DAC"},
+ {"Lineout 1 right switch", NULL, "Left DAC"},
+ {"Lineout 1 right switch", NULL, "PGAR_IN_EN"},
+
+ {"Lineout 2 left switch", NULL, "Left DAC2"},
+ {"Lineout 2 left switch", NULL, "Right DAC2"},
+ {"Lineout 2 left switch", NULL, "PGAL_IN_EN"},
+
+ {"Lineout 2 right switch", NULL, "Right DAC2"},
+ {"Lineout 2 right switch", NULL, "Left DAC2"},
+ {"Lineout 2 right switch", NULL, "PGAR_IN_EN"},
+
+ {"LO1L_OUT_EN", NULL, "Lineout 1 left switch"},
+ {"LO1R_OUT_EN", NULL, "Lineout 1 right switch"},
+ {"LO2L_OUT_EN", NULL, "Lineout 2 left switch"},
+ {"LO2R_OUT_EN", NULL, "Lineout 2 right switch"},
+
+ {"Lineout 1 left", NULL, "LO1L_OUT_EN"},
+ {"Lineout 1 right", NULL, "LO1R_OUT_EN"},
+ {"Lineout 2 left", NULL, "LO2L_OUT_EN"},
+ {"Lineout 2 right", NULL, "LO2R_OUT_EN"},
+};
+
+static int tl1_acodec_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ u32 val = snd_soc_read(codec, ACODEC_0);
+
+ pr_debug("%s, format:%x, codec = %p\n", __func__, fmt, codec);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ val |= (0x1 << I2S_MODE);
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ val &= ~(0x1 << I2S_MODE);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_write(codec, ACODEC_0, val);
+
+ return 0;
+}
+
+static int tl1_acodec_dai_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ return 0;
+}
+
+static int tl1_acodec_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct tl1_acodec_priv *aml_acodec =
+ snd_soc_codec_get_drvdata(codec);
+
+ pr_debug("%s!\n", __func__);
+
+ aml_acodec->params = params;
+
+ return 0;
+}
+
+static int tl1_acodec_dai_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+
+ break;
+
+ case SND_SOC_BIAS_PREPARE:
+
+ break;
+
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->component.dapm.bias_level == SND_SOC_BIAS_OFF) {
+ snd_soc_cache_sync(codec);
+ }
+ break;
+
+ case SND_SOC_BIAS_OFF:
+ snd_soc_write(codec, ACODEC_0, 0);
+ break;
+
+ default:
+ break;
+ }
+ codec->component.dapm.bias_level = level;
+
+ return 0;
+}
+
+static int tl1_acodec_dai_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ return 0;
+}
+
+//TODO, need to check
+static int tl1_acodec_reset(struct snd_soc_codec *codec)
+{
+ struct tl1_acodec_priv *tl1_acodec =
+ snd_soc_codec_get_drvdata(codec);
+ if (tl1_acodec)
+ auge_acodec_reset();
+ udelay(1000);
+ return 0;
+}
+//TODO, need to check
+static int tl1_acodec_start_up(struct snd_soc_codec *codec)
+{
+ snd_soc_write(codec, ACODEC_0, 0xF000);
+ msleep(200);
+ snd_soc_write(codec, ACODEC_0, 0xB000);
+
+ return 0;
+}
+
+static int tl1_acodec_dai_mute_stream(struct snd_soc_dai *dai, int mute,
+ int stream)
+{
+ struct tl1_acodec_priv *aml_acodec =
+ snd_soc_codec_get_drvdata(dai->codec);
+ u32 reg_val;
+
+ pr_debug("%s, mute:%d\n", __func__, mute);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ /* DAC 1 */
+ regmap_read(aml_acodec->regmap,
+ ACODEC_2,
+ ®_val);
+ if (mute)
+ reg_val |= DAC_SOFT_MUTE;
+ else
+ reg_val &= ~DAC_SOFT_MUTE;
+
+ regmap_write(aml_acodec->regmap,
+ ACODEC_2,
+ reg_val);
+
+
+ /* DAC 2 */
+ regmap_read(aml_acodec->regmap,
+ ACODEC_6,
+ ®_val);
+ if (mute)
+ reg_val |= DAC2_SOFT_MUTE;
+ else
+ reg_val &= ~DAC2_SOFT_MUTE;
+
+ regmap_write(aml_acodec->regmap,
+ ACODEC_6,
+ reg_val);
+ }
+
+ return 0;
+}
+
+struct snd_soc_dai_ops tl1_acodec_dai_ops = {
+ .hw_params = tl1_acodec_dai_hw_params,
+ .prepare = tl1_acodec_dai_prepare,
+ .set_fmt = tl1_acodec_dai_set_fmt,
+ .set_sysclk = tl1_acodec_dai_set_sysclk,
+ .mute_stream = tl1_acodec_dai_mute_stream,
+};
+
+static int tl1_acodec_probe(struct snd_soc_codec *codec)
+{
+ struct tl1_acodec_priv *aml_acodec =
+ snd_soc_codec_get_drvdata(codec);
+
+ if (!aml_acodec) {
+ pr_err("Failed to get tl1 acodec pri\n");
+ return -EINVAL;
+ }
+
+ /*reset audio codec register*/
+ tl1_acodec_reset(codec);
+ tl1_acodec_start_up(codec);
+ tl1_acodec_reg_init(codec);
+
+ if (aml_acodec)
+ auge_toacodec_ctrl(aml_acodec->tdmout_index);
+
+ aml_acodec->codec = codec;
+ tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
+}
+
+static int tl1_acodec_remove(struct snd_soc_codec *codec)
+{
+ pr_info("%s!\n", __func__);
+
+ tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int tl1_acodec_suspend(struct snd_soc_codec *codec)
+{
+ pr_info("%s!\n", __func__);
+
+ tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+static int tl1_acodec_resume(struct snd_soc_codec *codec)
+{
+ pr_info("%s!\n", __func__);
+
+ tl1_acodec_reset(codec);
+ tl1_acodec_start_up(codec);
+ tl1_acodec_reg_init(codec);
+
+ tl1_acodec_dai_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_tl1_acodec = {
+ .probe = tl1_acodec_probe,
+ .remove = tl1_acodec_remove,
+ .suspend = tl1_acodec_suspend,
+ .resume = tl1_acodec_resume,
+ .set_bias_level = tl1_acodec_dai_set_bias_level,
+ .component_driver = {
+ .controls = tl1_acodec_snd_controls,
+ .num_controls = ARRAY_SIZE(tl1_acodec_snd_controls),
+ .dapm_widgets = tl1_acodec_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(tl1_acodec_dapm_widgets),
+ .dapm_routes = tl1_acodec_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(tl1_acodec_dapm_routes),
+ }
+};
+
+static const struct regmap_config tl1_acodec_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x1c,
+ .reg_defaults = tl1_acodec_init_list,
+ .num_reg_defaults = ARRAY_SIZE(tl1_acodec_init_list),
+ .cache_type = REGCACHE_RBTREE,
+};
+
+#define TL1_ACODEC_RATES SNDRV_PCM_RATE_8000_96000
+#define TL1_ACODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE \
+ | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE \
+ | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S32_LE)
+
+struct snd_soc_dai_driver aml_tl1_acodec_dai = {
+ .name = "tl1-acodec-hifi",
+ .id = 0,
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = TL1_ACODEC_RATES,
+ .formats = TL1_ACODEC_FORMATS,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = TL1_ACODEC_RATES,
+ .formats = TL1_ACODEC_FORMATS,
+ },
+ .ops = &tl1_acodec_dai_ops,
+};
+
+static int aml_tl1_acodec_probe(struct platform_device *pdev)
+{
+ struct tl1_acodec_priv *aml_acodec;
+ struct resource *res_mem;
+ struct device_node *np;
+ void __iomem *regs;
+ int ret = 0;
+
+ dev_info(&pdev->dev, "%s\n", __func__);
+
+ np = pdev->dev.of_node;
+
+ aml_acodec = devm_kzalloc(&pdev->dev, sizeof(struct tl1_acodec_priv),
+ GFP_KERNEL);
+ if (!aml_acodec)
+ return -ENOMEM;
+
+ res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res_mem)
+ return -ENODEV;
+
+ regs = devm_ioremap_resource(&pdev->dev, res_mem);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
+
+ aml_acodec->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
+ &tl1_acodec_regmap_config);
+
+ of_property_read_u32(
+ pdev->dev.of_node,
+ "tdmout_index",
+ &aml_acodec->tdmout_index);
+
+ pr_info("aml_tl1_acodec is used by tdmout:%d\n",
+ aml_acodec->tdmout_index);
+
+ if (IS_ERR(aml_acodec->regmap))
+ return PTR_ERR(aml_acodec->regmap);
+
+ platform_set_drvdata(pdev, aml_acodec);
+
+ ret = snd_soc_register_codec(&pdev->dev,
+ &soc_codec_dev_tl1_acodec,
+ &aml_tl1_acodec_dai, 1);
+
+ return ret;
+}
+
+static int aml_tl1_acodec_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+
+ return 0;
+}
+
+static void aml_tl1_acodec_shutdown(struct platform_device *pdev)
+{
+ struct tl1_acodec_priv *aml_acodec;
+ struct snd_soc_codec *codec;
+
+ aml_acodec = platform_get_drvdata(pdev);
+ codec = aml_acodec->codec;
+ if (codec)
+ tl1_acodec_remove(codec);
+}
+
+static const struct of_device_id aml_tl1_acodec_dt_match[] = {
+ {.compatible = "amlogic, tl1_codec",},
+ {},
+};
+
+static struct platform_driver aml_tl1_acodec_platform_driver = {
+ .driver = {
+ .name = "tl1_codec",
+ .owner = THIS_MODULE,
+ .of_match_table = aml_tl1_acodec_dt_match,
+ },
+ .probe = aml_tl1_acodec_probe,
+ .remove = aml_tl1_acodec_remove,
+ .shutdown = aml_tl1_acodec_shutdown,
+};
+
+static int __init aml_tl1_acodec_modinit(void)
+{
+ int ret = 0;
+
+ ret = platform_driver_register(&aml_tl1_acodec_platform_driver);
+ if (ret != 0) {
+ pr_err(
+ "Failed to register AML tl1 acodec platform driver: %d\n",
+ ret);
+ }
+
+ return ret;
+}
+
+module_init(aml_tl1_acodec_modinit);
+
+static void __exit aml_tl1_acodec_modexit(void)
+{
+ platform_driver_unregister(&aml_tl1_acodec_platform_driver);
+}
+
+module_exit(aml_tl1_acodec_modexit);
+
+MODULE_DESCRIPTION("ASoC AML TL1 audio codec driver");
+MODULE_AUTHOR("AMLogic, Inc.");
+MODULE_LICENSE("GPL");
projects / platform / kernel / linux-amlogic.git / commitdiff