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852d4daa96
This patch syncs naming rule. - xxx_rates; + xxx_rate; - xxx_samplebits; + xxx_sample_bits; Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87mtxan6tt.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
581 lines
15 KiB
C
581 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2019 MediaTek Inc.
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/err.h>
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#include <linux/i2c.h>
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#include <linux/pm_runtime.h>
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#include <linux/delay.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include <sound/pcm_params.h>
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#include "mt6660.h"
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struct reg_size_table {
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u32 addr;
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u8 size;
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};
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static const struct reg_size_table mt6660_reg_size_table[] = {
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{ MT6660_REG_HPF1_COEF, 4 },
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{ MT6660_REG_HPF2_COEF, 4 },
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{ MT6660_REG_TDM_CFG3, 2 },
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{ MT6660_REG_RESV17, 2 },
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{ MT6660_REG_RESV23, 2 },
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{ MT6660_REG_SIGMAX, 2 },
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{ MT6660_REG_DEVID, 2 },
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{ MT6660_REG_HCLIP_CTRL, 2 },
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{ MT6660_REG_DA_GAIN, 2 },
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};
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static int mt6660_get_reg_size(uint32_t addr)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(mt6660_reg_size_table); i++) {
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if (mt6660_reg_size_table[i].addr == addr)
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return mt6660_reg_size_table[i].size;
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}
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return 1;
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}
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static int mt6660_reg_write(void *context, unsigned int reg, unsigned int val)
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{
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struct mt6660_chip *chip = context;
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int size = mt6660_get_reg_size(reg);
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u8 reg_data[4];
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int i, ret;
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for (i = 0; i < size; i++)
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reg_data[size - i - 1] = (val >> (8 * i)) & 0xff;
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ret = i2c_smbus_write_i2c_block_data(chip->i2c, reg, size, reg_data);
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return ret;
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}
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static int mt6660_reg_read(void *context, unsigned int reg, unsigned int *val)
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{
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struct mt6660_chip *chip = context;
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int size = mt6660_get_reg_size(reg);
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int i, ret;
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u8 data[4];
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u32 reg_data = 0;
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ret = i2c_smbus_read_i2c_block_data(chip->i2c, reg, size, data);
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if (ret < 0)
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return ret;
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for (i = 0; i < size; i++) {
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reg_data <<= 8;
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reg_data |= data[i];
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}
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*val = reg_data;
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return 0;
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}
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static const struct regmap_config mt6660_regmap_config = {
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.reg_bits = 8,
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.val_bits = 32,
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.reg_write = mt6660_reg_write,
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.reg_read = mt6660_reg_read,
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};
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static int mt6660_codec_dac_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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if (event == SND_SOC_DAPM_POST_PMU)
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usleep_range(1000, 1100);
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return 0;
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}
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static int mt6660_codec_classd_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_component *component =
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snd_soc_dapm_to_component(w->dapm);
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int ret;
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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dev_dbg(component->dev,
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"%s: before classd turn on\n", __func__);
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/* config to adaptive mode */
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ret = snd_soc_component_update_bits(component,
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MT6660_REG_BST_CTRL, 0x03, 0x03);
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if (ret < 0) {
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dev_err(component->dev, "config mode adaptive fail\n");
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return ret;
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}
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break;
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case SND_SOC_DAPM_POST_PMU:
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/* voltage sensing enable */
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ret = snd_soc_component_update_bits(component,
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MT6660_REG_RESV7, 0x04, 0x04);
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if (ret < 0) {
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dev_err(component->dev,
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"enable voltage sensing fail\n");
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return ret;
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}
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dev_dbg(component->dev, "Amp on\n");
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break;
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case SND_SOC_DAPM_PRE_PMD:
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dev_dbg(component->dev, "Amp off\n");
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/* voltage sensing disable */
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ret = snd_soc_component_update_bits(component,
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MT6660_REG_RESV7, 0x04, 0x00);
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if (ret < 0) {
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dev_err(component->dev,
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"disable voltage sensing fail\n");
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return ret;
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}
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/* pop-noise improvement 1 */
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ret = snd_soc_component_update_bits(component,
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MT6660_REG_RESV10, 0x10, 0x10);
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if (ret < 0) {
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dev_err(component->dev,
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"pop-noise improvement 1 fail\n");
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return ret;
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}
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break;
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case SND_SOC_DAPM_POST_PMD:
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dev_dbg(component->dev,
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"%s: after classd turn off\n", __func__);
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/* pop-noise improvement 2 */
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ret = snd_soc_component_update_bits(component,
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MT6660_REG_RESV10, 0x10, 0x00);
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if (ret < 0) {
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dev_err(component->dev,
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"pop-noise improvement 2 fail\n");
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return ret;
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}
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/* config to off mode */
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ret = snd_soc_component_update_bits(component,
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MT6660_REG_BST_CTRL, 0x03, 0x00);
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if (ret < 0) {
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dev_err(component->dev, "config mode off fail\n");
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return ret;
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}
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break;
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}
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return 0;
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}
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static const struct snd_soc_dapm_widget mt6660_component_dapm_widgets[] = {
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SND_SOC_DAPM_DAC_E("DAC", NULL, MT6660_REG_PLL_CFG1,
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0, 1, mt6660_codec_dac_event, SND_SOC_DAPM_POST_PMU),
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SND_SOC_DAPM_ADC("VI ADC", NULL, SND_SOC_NOPM, 0, 0),
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SND_SOC_DAPM_PGA("PGA", SND_SOC_NOPM, 0, 0, NULL, 0),
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SND_SOC_DAPM_OUT_DRV_E("ClassD", MT6660_REG_SYSTEM_CTRL, 2, 0,
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NULL, 0, mt6660_codec_classd_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
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SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_OUTPUT("OUTP"),
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SND_SOC_DAPM_OUTPUT("OUTN"),
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};
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static const struct snd_soc_dapm_route mt6660_component_dapm_routes[] = {
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{ "DAC", NULL, "aif_playback" },
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{ "PGA", NULL, "DAC" },
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{ "ClassD", NULL, "PGA" },
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{ "OUTP", NULL, "ClassD" },
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{ "OUTN", NULL, "ClassD" },
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{ "VI ADC", NULL, "ClassD" },
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{ "aif_capture", NULL, "VI ADC" },
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};
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static int mt6660_component_get_volsw(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component =
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snd_soc_kcontrol_component(kcontrol);
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struct mt6660_chip *chip = (struct mt6660_chip *)
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snd_soc_component_get_drvdata(component);
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ucontrol->value.integer.value[0] = chip->chip_rev & 0x0f;
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return 0;
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}
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static const DECLARE_TLV_DB_SCALE(vol_ctl_tlv, -1155, 5, 0);
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static const struct snd_kcontrol_new mt6660_component_snd_controls[] = {
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SOC_SINGLE_TLV("Digital Volume", MT6660_REG_VOL_CTRL, 0, 255,
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1, vol_ctl_tlv),
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SOC_SINGLE("Hard Clip Switch", MT6660_REG_HCLIP_CTRL, 8, 1, 0),
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SOC_SINGLE("Clip Switch", MT6660_REG_SPS_CTRL, 0, 1, 0),
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SOC_SINGLE("Boost Mode", MT6660_REG_BST_CTRL, 0, 3, 0),
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SOC_SINGLE("DRE Switch", MT6660_REG_DRE_CTRL, 0, 1, 0),
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SOC_SINGLE("DC Protect Switch", MT6660_REG_DC_PROTECT_CTRL, 3, 1, 0),
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SOC_SINGLE("Data Output Left Channel Selection",
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MT6660_REG_DATAO_SEL, 3, 7, 0),
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SOC_SINGLE("Data Output Right Channel Selection",
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MT6660_REG_DATAO_SEL, 0, 7, 0),
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SOC_SINGLE_EXT("T0 SEL", MT6660_REG_CALI_T0, 0, 7, 0,
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snd_soc_get_volsw, NULL),
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SOC_SINGLE_EXT("Chip Rev", MT6660_REG_DEVID, 8, 15, 0,
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mt6660_component_get_volsw, NULL),
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};
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static int _mt6660_chip_power_on(struct mt6660_chip *chip, int on_off)
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{
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return regmap_write_bits(chip->regmap, MT6660_REG_SYSTEM_CTRL,
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0x01, on_off ? 0x00 : 0x01);
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}
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struct reg_table {
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uint32_t addr;
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uint32_t mask;
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uint32_t val;
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};
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static const struct reg_table mt6660_setting_table[] = {
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{ 0x20, 0x80, 0x00 },
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{ 0x30, 0x01, 0x00 },
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{ 0x50, 0x1c, 0x04 },
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{ 0xB1, 0x0c, 0x00 },
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{ 0xD3, 0x03, 0x03 },
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{ 0xE0, 0x01, 0x00 },
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{ 0x98, 0x44, 0x04 },
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{ 0xB9, 0xff, 0x82 },
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{ 0xB7, 0x7777, 0x7273 },
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{ 0xB6, 0x07, 0x03 },
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{ 0x6B, 0xe0, 0x20 },
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{ 0x07, 0xff, 0x70 },
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{ 0xBB, 0xff, 0x20 },
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{ 0x69, 0xff, 0x40 },
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{ 0xBD, 0xffff, 0x17f8 },
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{ 0x70, 0xff, 0x15 },
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{ 0x7C, 0xff, 0x00 },
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{ 0x46, 0xff, 0x1d },
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{ 0x1A, 0xffffffff, 0x7fdb7ffe },
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{ 0x1B, 0xffffffff, 0x7fdb7ffe },
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{ 0x51, 0xff, 0x58 },
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{ 0xA2, 0xff, 0xce },
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{ 0x33, 0xffff, 0x7fff },
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{ 0x4C, 0xffff, 0x0116 },
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{ 0x16, 0x1800, 0x0800 },
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{ 0x68, 0x1f, 0x07 },
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};
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static int mt6660_component_setting(struct snd_soc_component *component)
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{
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struct mt6660_chip *chip = snd_soc_component_get_drvdata(component);
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int ret = 0;
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size_t i = 0;
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ret = _mt6660_chip_power_on(chip, 1);
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if (ret < 0) {
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dev_err(component->dev, "%s chip power on failed\n", __func__);
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return ret;
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}
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for (i = 0; i < ARRAY_SIZE(mt6660_setting_table); i++) {
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ret = snd_soc_component_update_bits(component,
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mt6660_setting_table[i].addr,
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mt6660_setting_table[i].mask,
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mt6660_setting_table[i].val);
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if (ret < 0) {
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dev_err(component->dev, "%s update 0x%02x failed\n",
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__func__, mt6660_setting_table[i].addr);
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return ret;
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}
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}
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ret = _mt6660_chip_power_on(chip, 0);
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if (ret < 0) {
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dev_err(component->dev, "%s chip power off failed\n", __func__);
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return ret;
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}
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return 0;
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}
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static int mt6660_component_probe(struct snd_soc_component *component)
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{
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struct mt6660_chip *chip = snd_soc_component_get_drvdata(component);
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int ret;
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dev_dbg(component->dev, "%s\n", __func__);
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snd_soc_component_init_regmap(component, chip->regmap);
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ret = mt6660_component_setting(component);
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if (ret < 0)
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dev_err(chip->dev, "mt6660 component setting failed\n");
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return ret;
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}
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static void mt6660_component_remove(struct snd_soc_component *component)
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{
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dev_dbg(component->dev, "%s\n", __func__);
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snd_soc_component_exit_regmap(component);
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}
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static const struct snd_soc_component_driver mt6660_component_driver = {
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.probe = mt6660_component_probe,
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.remove = mt6660_component_remove,
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.controls = mt6660_component_snd_controls,
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.num_controls = ARRAY_SIZE(mt6660_component_snd_controls),
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.dapm_widgets = mt6660_component_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(mt6660_component_dapm_widgets),
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.dapm_routes = mt6660_component_dapm_routes,
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.num_dapm_routes = ARRAY_SIZE(mt6660_component_dapm_routes),
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.idle_bias_on = false, /* idle_bias_off = true */
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};
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static int mt6660_component_aif_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params, struct snd_soc_dai *dai)
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{
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int word_len = params_physical_width(hw_params);
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int aud_bit = params_width(hw_params);
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u16 reg_data = 0;
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int ret;
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dev_dbg(dai->dev, "%s: ++\n", __func__);
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dev_dbg(dai->dev, "format: 0x%08x\n", params_format(hw_params));
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dev_dbg(dai->dev, "rate: 0x%08x\n", params_rate(hw_params));
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dev_dbg(dai->dev, "word_len: %d, aud_bit: %d\n", word_len, aud_bit);
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if (word_len > 32 || word_len < 16) {
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dev_err(dai->dev, "not supported word length\n");
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return -ENOTSUPP;
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}
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switch (aud_bit) {
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case 16:
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reg_data = 3;
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break;
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case 18:
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reg_data = 2;
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break;
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case 20:
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reg_data = 1;
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break;
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case 24:
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case 32:
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reg_data = 0;
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break;
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default:
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return -ENOTSUPP;
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}
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ret = snd_soc_component_update_bits(dai->component,
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MT6660_REG_SERIAL_CFG1, 0xc0, (reg_data << 6));
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if (ret < 0) {
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dev_err(dai->dev, "config aud bit fail\n");
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return ret;
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}
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ret = snd_soc_component_update_bits(dai->component,
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MT6660_REG_TDM_CFG3, 0x3f0, word_len << 4);
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if (ret < 0) {
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dev_err(dai->dev, "config word len fail\n");
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return ret;
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}
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dev_dbg(dai->dev, "%s: --\n", __func__);
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return 0;
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}
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static const struct snd_soc_dai_ops mt6660_component_aif_ops = {
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.hw_params = mt6660_component_aif_hw_params,
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};
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#define STUB_RATES SNDRV_PCM_RATE_8000_192000
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#define STUB_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
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SNDRV_PCM_FMTBIT_U16_LE | \
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SNDRV_PCM_FMTBIT_S24_LE | \
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SNDRV_PCM_FMTBIT_U24_LE | \
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SNDRV_PCM_FMTBIT_S32_LE | \
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SNDRV_PCM_FMTBIT_U32_LE)
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static struct snd_soc_dai_driver mt6660_codec_dai = {
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.name = "mt6660-aif",
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.playback = {
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.stream_name = "aif_playback",
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.channels_min = 1,
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.channels_max = 2,
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.rates = STUB_RATES,
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.formats = STUB_FORMATS,
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},
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.capture = {
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.stream_name = "aif_capture",
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.channels_min = 1,
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.channels_max = 2,
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.rates = STUB_RATES,
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.formats = STUB_FORMATS,
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},
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/* dai properties */
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.symmetric_rate = 1,
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.symmetric_channels = 1,
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.symmetric_sample_bits = 1,
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/* dai operations */
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.ops = &mt6660_component_aif_ops,
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};
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static int _mt6660_chip_id_check(struct mt6660_chip *chip)
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{
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int ret;
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unsigned int val;
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ret = regmap_read(chip->regmap, MT6660_REG_DEVID, &val);
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if (ret < 0)
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return ret;
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val &= 0x0ff0;
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if (val != 0x00e0 && val != 0x01e0) {
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dev_err(chip->dev, "%s id(%x) not match\n", __func__, val);
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return -ENODEV;
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}
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return 0;
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}
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static int _mt6660_chip_sw_reset(struct mt6660_chip *chip)
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{
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int ret;
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/* turn on main pll first, then trigger reset */
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ret = regmap_write(chip->regmap, MT6660_REG_SYSTEM_CTRL, 0x00);
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if (ret < 0)
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return ret;
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ret = regmap_write(chip->regmap, MT6660_REG_SYSTEM_CTRL, 0x80);
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if (ret < 0)
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return ret;
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msleep(30);
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return 0;
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}
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static int _mt6660_read_chip_revision(struct mt6660_chip *chip)
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{
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int ret;
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unsigned int val;
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ret = regmap_read(chip->regmap, MT6660_REG_DEVID, &val);
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if (ret < 0) {
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dev_err(chip->dev, "get chip revision fail\n");
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return ret;
|
|
}
|
|
chip->chip_rev = val&0xff;
|
|
dev_info(chip->dev, "%s chip_rev = %x\n", __func__, chip->chip_rev);
|
|
return 0;
|
|
}
|
|
|
|
static int mt6660_i2c_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct mt6660_chip *chip = NULL;
|
|
int ret;
|
|
|
|
dev_dbg(&client->dev, "%s\n", __func__);
|
|
chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
|
|
if (!chip)
|
|
return -ENOMEM;
|
|
chip->i2c = client;
|
|
chip->dev = &client->dev;
|
|
mutex_init(&chip->io_lock);
|
|
i2c_set_clientdata(client, chip);
|
|
|
|
chip->regmap = devm_regmap_init(&client->dev,
|
|
NULL, chip, &mt6660_regmap_config);
|
|
if (IS_ERR(chip->regmap)) {
|
|
ret = PTR_ERR(chip->regmap);
|
|
dev_err(&client->dev, "failed to initialise regmap: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* chip reset first */
|
|
ret = _mt6660_chip_sw_reset(chip);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "chip reset fail\n");
|
|
goto probe_fail;
|
|
}
|
|
/* chip power on */
|
|
ret = _mt6660_chip_power_on(chip, 1);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "chip power on 2 fail\n");
|
|
goto probe_fail;
|
|
}
|
|
/* chip devid check */
|
|
ret = _mt6660_chip_id_check(chip);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "chip id check fail\n");
|
|
goto probe_fail;
|
|
}
|
|
/* chip revision get */
|
|
ret = _mt6660_read_chip_revision(chip);
|
|
if (ret < 0) {
|
|
dev_err(chip->dev, "read chip revision fail\n");
|
|
goto probe_fail;
|
|
}
|
|
pm_runtime_set_active(chip->dev);
|
|
pm_runtime_enable(chip->dev);
|
|
|
|
ret = devm_snd_soc_register_component(chip->dev,
|
|
&mt6660_component_driver,
|
|
&mt6660_codec_dai, 1);
|
|
return ret;
|
|
probe_fail:
|
|
_mt6660_chip_power_on(chip, 0);
|
|
mutex_destroy(&chip->io_lock);
|
|
return ret;
|
|
}
|
|
|
|
static int mt6660_i2c_remove(struct i2c_client *client)
|
|
{
|
|
struct mt6660_chip *chip = i2c_get_clientdata(client);
|
|
|
|
pm_runtime_disable(chip->dev);
|
|
pm_runtime_set_suspended(chip->dev);
|
|
mutex_destroy(&chip->io_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused mt6660_i2c_runtime_suspend(struct device *dev)
|
|
{
|
|
struct mt6660_chip *chip = dev_get_drvdata(dev);
|
|
|
|
dev_dbg(dev, "enter low power mode\n");
|
|
return regmap_update_bits(chip->regmap,
|
|
MT6660_REG_SYSTEM_CTRL, 0x01, 0x01);
|
|
}
|
|
|
|
static int __maybe_unused mt6660_i2c_runtime_resume(struct device *dev)
|
|
{
|
|
struct mt6660_chip *chip = dev_get_drvdata(dev);
|
|
|
|
dev_dbg(dev, "exit low power mode\n");
|
|
return regmap_update_bits(chip->regmap,
|
|
MT6660_REG_SYSTEM_CTRL, 0x01, 0x00);
|
|
}
|
|
|
|
static const struct dev_pm_ops mt6660_dev_pm_ops = {
|
|
SET_RUNTIME_PM_OPS(mt6660_i2c_runtime_suspend,
|
|
mt6660_i2c_runtime_resume, NULL)
|
|
};
|
|
|
|
static const struct of_device_id __maybe_unused mt6660_of_id[] = {
|
|
{ .compatible = "mediatek,mt6660",},
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, mt6660_of_id);
|
|
|
|
static const struct i2c_device_id mt6660_i2c_id[] = {
|
|
{"mt6660", 0 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, mt6660_i2c_id);
|
|
|
|
static struct i2c_driver mt6660_i2c_driver = {
|
|
.driver = {
|
|
.name = "mt6660",
|
|
.of_match_table = of_match_ptr(mt6660_of_id),
|
|
.pm = &mt6660_dev_pm_ops,
|
|
},
|
|
.probe = mt6660_i2c_probe,
|
|
.remove = mt6660_i2c_remove,
|
|
.id_table = mt6660_i2c_id,
|
|
};
|
|
module_i2c_driver(mt6660_i2c_driver);
|
|
|
|
MODULE_AUTHOR("Jeff Chang <jeff_chang@richtek.com>");
|
|
MODULE_DESCRIPTION("MT6660 SPKAMP Driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION("1.0.8_G");
|