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-rw-r--r--sound/soc/codecs/rt1308.c873
1 files changed, 873 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1308.c b/sound/soc/codecs/rt1308.c
new file mode 100644
index 000000000..d2a8e9fe3
--- /dev/null
+++ b/sound/soc/codecs/rt1308.c
@@ -0,0 +1,873 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// rt1308.c -- RT1308 ALSA SoC amplifier component driver
+//
+// Copyright 2019 Realtek Semiconductor Corp.
+// Author: Derek Fang <derek.fang@realtek.com>
+//
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/of_gpio.h>
+#include <linux/acpi.h>
+#include <linux/platform_device.h>
+#include <linux/firmware.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 "rl6231.h"
+#include "rt1308.h"
+
+static const struct reg_sequence init_list[] = {
+
+ { RT1308_I2C_I2S_SDW_SET, 0x01014005 },
+ { RT1308_CLASS_D_SET_2, 0x227f5501 },
+ { RT1308_PADS_1, 0x50150505 },
+ { RT1308_VREF, 0x18100000 },
+ { RT1308_IV_SENSE, 0x87010000 },
+ { RT1308_DUMMY_REG, 0x00000200 },
+ { RT1308_SIL_DET, 0xe1c30000 },
+ { RT1308_DC_CAL_2, 0x00ffff00 },
+ { RT1308_CLK_DET, 0x01000000 },
+ { RT1308_POWER_STATUS, 0x08800000 },
+ { RT1308_DAC_SET, 0xafaf0700 },
+
+};
+#define RT1308_INIT_REG_LEN ARRAY_SIZE(init_list)
+
+struct rt1308_priv {
+ struct snd_soc_component *component;
+ struct regmap *regmap;
+
+ int sysclk;
+ int sysclk_src;
+ int lrck;
+ int bclk;
+ int master;
+
+ int pll_src;
+ int pll_in;
+ int pll_out;
+};
+
+static const struct reg_default rt1308_reg[] = {
+
+ { 0x01, 0x1f3f5f00 },
+ { 0x02, 0x07000000 },
+ { 0x03, 0x80003e00 },
+ { 0x04, 0x80800600 },
+ { 0x05, 0x0aaa1a0a },
+ { 0x06, 0x52000000 },
+ { 0x07, 0x00000000 },
+ { 0x08, 0x00600000 },
+ { 0x09, 0xe1030000 },
+ { 0x0a, 0x00000000 },
+ { 0x0b, 0x30000000 },
+ { 0x0c, 0x7fff7000 },
+ { 0x10, 0xffff0700 },
+ { 0x11, 0x0a000000 },
+ { 0x12, 0x60040000 },
+ { 0x13, 0x00000000 },
+ { 0x14, 0x0f300000 },
+ { 0x15, 0x00000022 },
+ { 0x16, 0x02000000 },
+ { 0x17, 0x01004045 },
+ { 0x18, 0x00000000 },
+ { 0x19, 0x00000000 },
+ { 0x1a, 0x80000000 },
+ { 0x1b, 0x10325476 },
+ { 0x1c, 0x1d1d0000 },
+ { 0x20, 0xd2101300 },
+ { 0x21, 0xf3ffff00 },
+ { 0x22, 0x00000000 },
+ { 0x23, 0x00000000 },
+ { 0x24, 0x00000000 },
+ { 0x25, 0x00000000 },
+ { 0x26, 0x00000000 },
+ { 0x27, 0x00000000 },
+ { 0x28, 0x00000000 },
+ { 0x29, 0x00000000 },
+ { 0x2a, 0x00000000 },
+ { 0x2b, 0x00000000 },
+ { 0x2c, 0x00000000 },
+ { 0x2d, 0x00000000 },
+ { 0x2e, 0x00000000 },
+ { 0x2f, 0x00000000 },
+ { 0x30, 0x01000000 },
+ { 0x31, 0x20025501 },
+ { 0x32, 0x00000000 },
+ { 0x33, 0x105a0000 },
+ { 0x34, 0x10100000 },
+ { 0x35, 0x2aaa52aa },
+ { 0x36, 0x00c00000 },
+ { 0x37, 0x20046100 },
+ { 0x50, 0x10022f00 },
+ { 0x51, 0x003c0000 },
+ { 0x54, 0x04000000 },
+ { 0x55, 0x01000000 },
+ { 0x56, 0x02000000 },
+ { 0x57, 0x02000000 },
+ { 0x58, 0x02000000 },
+ { 0x59, 0x02000000 },
+ { 0x5b, 0x02000000 },
+ { 0x5c, 0x00000000 },
+ { 0x5d, 0x00000000 },
+ { 0x5e, 0x00000000 },
+ { 0x5f, 0x00000000 },
+ { 0x60, 0x02000000 },
+ { 0x61, 0x00000000 },
+ { 0x62, 0x00000000 },
+ { 0x63, 0x00000000 },
+ { 0x64, 0x00000000 },
+ { 0x65, 0x02000000 },
+ { 0x66, 0x00000000 },
+ { 0x67, 0x00000000 },
+ { 0x68, 0x00000000 },
+ { 0x69, 0x00000000 },
+ { 0x6a, 0x02000000 },
+ { 0x6c, 0x00000000 },
+ { 0x6d, 0x00000000 },
+ { 0x6e, 0x00000000 },
+ { 0x70, 0x10EC1308 },
+ { 0x71, 0x00000000 },
+ { 0x72, 0x00000000 },
+ { 0x73, 0x00000000 },
+ { 0x74, 0x00000000 },
+ { 0x75, 0x00000000 },
+ { 0x76, 0x00000000 },
+ { 0x77, 0x00000000 },
+ { 0x78, 0x00000000 },
+ { 0x79, 0x00000000 },
+ { 0x7a, 0x00000000 },
+ { 0x7b, 0x00000000 },
+ { 0x7c, 0x00000000 },
+ { 0x7d, 0x00000000 },
+ { 0x7e, 0x00000000 },
+ { 0x7f, 0x00020f00 },
+ { 0x80, 0x00000000 },
+ { 0x81, 0x00000000 },
+ { 0x82, 0x00000000 },
+ { 0x83, 0x00000000 },
+ { 0x84, 0x00000000 },
+ { 0x85, 0x00000000 },
+ { 0x86, 0x00000000 },
+ { 0x87, 0x00000000 },
+ { 0x88, 0x00000000 },
+ { 0x89, 0x00000000 },
+ { 0x8a, 0x00000000 },
+ { 0x8b, 0x00000000 },
+ { 0x8c, 0x00000000 },
+ { 0x8d, 0x00000000 },
+ { 0x8e, 0x00000000 },
+ { 0x90, 0x50250905 },
+ { 0x91, 0x15050000 },
+ { 0xa0, 0x00000000 },
+ { 0xa1, 0x00000000 },
+ { 0xa2, 0x00000000 },
+ { 0xa3, 0x00000000 },
+ { 0xa4, 0x00000000 },
+ { 0xb0, 0x00000000 },
+ { 0xb1, 0x00000000 },
+ { 0xb2, 0x00000000 },
+ { 0xb3, 0x00000000 },
+ { 0xb4, 0x00000000 },
+ { 0xb5, 0x00000000 },
+ { 0xb6, 0x00000000 },
+ { 0xb7, 0x00000000 },
+ { 0xb8, 0x00000000 },
+ { 0xb9, 0x00000000 },
+ { 0xba, 0x00000000 },
+ { 0xbb, 0x00000000 },
+ { 0xc0, 0x01000000 },
+ { 0xc1, 0x00000000 },
+ { 0xf0, 0x00000000 },
+};
+
+static int rt1308_reg_init(struct snd_soc_component *component)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+
+ return regmap_multi_reg_write(rt1308->regmap, init_list,
+ RT1308_INIT_REG_LEN);
+}
+
+static bool rt1308_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case RT1308_RESET:
+ case RT1308_RESET_N:
+ case RT1308_CLK_2:
+ case RT1308_SIL_DET:
+ case RT1308_CLK_DET:
+ case RT1308_DC_DET:
+ case RT1308_DAC_SET:
+ case RT1308_DAC_BUF:
+ case RT1308_SDW_REG_RDATA:
+ case RT1308_DC_CAL_1:
+ case RT1308_PVDD_OFFSET_CTL:
+ case RT1308_CAL_OFFSET_DAC_PBTL:
+ case RT1308_CAL_OFFSET_DAC_L:
+ case RT1308_CAL_OFFSET_DAC_R:
+ case RT1308_CAL_OFFSET_PWM_L:
+ case RT1308_CAL_OFFSET_PWM_R:
+ case RT1308_CAL_PWM_VOS_ADC_L:
+ case RT1308_CAL_PWM_VOS_ADC_R:
+ case RT1308_MBIAS:
+ case RT1308_POWER_STATUS:
+ case RT1308_POWER_INT:
+ case RT1308_SINE_TONE_GEN_2:
+ case RT1308_BQ_SET:
+ case RT1308_BQ_PARA_UPDATE:
+ case RT1308_VEN_DEV_ID:
+ case RT1308_VERSION_ID:
+ case RT1308_EFUSE_1:
+ case RT1308_EFUSE_READ_PVDD_L:
+ case RT1308_EFUSE_READ_PVDD_R:
+ case RT1308_EFUSE_READ_PVDD_PTBL:
+ case RT1308_EFUSE_READ_DEV:
+ case RT1308_EFUSE_READ_R0:
+ case RT1308_EFUSE_READ_ADC_L:
+ case RT1308_EFUSE_READ_ADC_R:
+ case RT1308_EFUSE_READ_ADC_PBTL:
+ case RT1308_EFUSE_RESERVE:
+ case RT1308_EFUSE_DATA_0_MSB:
+ case RT1308_EFUSE_DATA_0_LSB:
+ case RT1308_EFUSE_DATA_1_MSB:
+ case RT1308_EFUSE_DATA_1_LSB:
+ case RT1308_EFUSE_DATA_2_MSB:
+ case RT1308_EFUSE_DATA_2_LSB:
+ case RT1308_EFUSE_DATA_3_MSB:
+ case RT1308_EFUSE_DATA_3_LSB:
+ case RT1308_EFUSE_STATUS_1:
+ case RT1308_EFUSE_STATUS_2:
+ case RT1308_DUMMY_REG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool rt1308_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case RT1308_RESET:
+ case RT1308_RESET_N:
+ case RT1308_CLK_GATING ... RT1308_DC_DET_THRES:
+ case RT1308_DAC_SET ... RT1308_AD_FILTER_SET:
+ case RT1308_DC_CAL_1 ... RT1308_POWER_INT:
+ case RT1308_SINE_TONE_GEN_1:
+ case RT1308_SINE_TONE_GEN_2:
+ case RT1308_BQ_SET:
+ case RT1308_BQ_PARA_UPDATE:
+ case RT1308_BQ_PRE_VOL_L ... RT1308_BQ_POST_VOL_R:
+ case RT1308_BQ1_L_H0 ... RT1308_BQ2_R_A2:
+ case RT1308_VEN_DEV_ID:
+ case RT1308_VERSION_ID:
+ case RT1308_SPK_BOUND:
+ case RT1308_BQ1_EQ_L_1 ... RT1308_BQ2_EQ_R_3:
+ case RT1308_EFUSE_1 ... RT1308_EFUSE_RESERVE:
+ case RT1308_PADS_1:
+ case RT1308_PADS_2:
+ case RT1308_TEST_MODE:
+ case RT1308_TEST_1:
+ case RT1308_TEST_2:
+ case RT1308_TEST_3:
+ case RT1308_TEST_4:
+ case RT1308_EFUSE_DATA_0_MSB ... RT1308_EFUSE_STATUS_2:
+ case RT1308_TCON_1:
+ case RT1308_TCON_2:
+ case RT1308_DUMMY_REG:
+ case RT1308_MAX_REG:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int rt1308_classd_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);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ msleep(30);
+ snd_soc_component_update_bits(component, RT1308_POWER_STATUS,
+ RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT,
+ RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT);
+ msleep(40);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_component_update_bits(component, RT1308_POWER_STATUS,
+ RT1308_POW_PDB_REG_BIT | RT1308_POW_PDB_MN_BIT, 0);
+ usleep_range(150000, 200000);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const char * const rt1308_rx_data_ch_select[] = {
+ "LR",
+ "LL",
+ "RL",
+ "RR",
+};
+
+static SOC_ENUM_SINGLE_DECL(rt1308_rx_data_ch_enum, RT1308_DATA_PATH, 24,
+ rt1308_rx_data_ch_select);
+
+static const struct snd_kcontrol_new rt1308_snd_controls[] = {
+
+ /* I2S Data Channel Selection */
+ SOC_ENUM("RX Channel Select", rt1308_rx_data_ch_enum),
+};
+
+static const struct snd_kcontrol_new rt1308_sto_dac_l =
+ SOC_DAPM_SINGLE("Switch", RT1308_DAC_SET,
+ RT1308_DVOL_MUTE_L_EN_SFT, 1, 1);
+
+static const struct snd_kcontrol_new rt1308_sto_dac_r =
+ SOC_DAPM_SINGLE("Switch", RT1308_DAC_SET,
+ RT1308_DVOL_MUTE_R_EN_SFT, 1, 1);
+
+static const struct snd_soc_dapm_widget rt1308_dapm_widgets[] = {
+ /* Audio Interface */
+ SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+
+ /* Supply Widgets */
+ SND_SOC_DAPM_SUPPLY("MBIAS20U", RT1308_POWER,
+ RT1308_POW_MBIAS20U_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ALDO", RT1308_POWER,
+ RT1308_POW_ALDO_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DBG", RT1308_POWER,
+ RT1308_POW_DBG_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DACL", RT1308_POWER,
+ RT1308_POW_DACL_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("CLK25M", RT1308_POWER,
+ RT1308_POW_CLK25M_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ADC_R", RT1308_POWER,
+ RT1308_POW_ADC_R_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("ADC_L", RT1308_POWER,
+ RT1308_POW_ADC_L_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DLDO", RT1308_POWER,
+ RT1308_POW_DLDO_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("VREF", RT1308_POWER,
+ RT1308_POW_VREF_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIXER_R", RT1308_POWER,
+ RT1308_POW_MIXER_R_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MIXER_L", RT1308_POWER,
+ RT1308_POW_MIXER_L_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MBIAS4U", RT1308_POWER,
+ RT1308_POW_MBIAS4U_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("PLL2_LDO", RT1308_POWER,
+ RT1308_POW_PLL2_LDO_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("PLL2B", RT1308_POWER,
+ RT1308_POW_PLL2B_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("PLL2F", RT1308_POWER,
+ RT1308_POW_PLL2F_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("PLL2F2", RT1308_POWER,
+ RT1308_POW_PLL2F2_EN_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("PLL2B2", RT1308_POWER,
+ RT1308_POW_PLL2B2_EN_BIT, 0, NULL, 0),
+
+ /* Digital Interface */
+ SND_SOC_DAPM_SUPPLY("DAC Power", RT1308_POWER,
+ RT1308_POW_DAC1_BIT, 0, NULL, 0),
+ SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SWITCH("DAC L", SND_SOC_NOPM, 0, 0, &rt1308_sto_dac_l),
+ SND_SOC_DAPM_SWITCH("DAC R", SND_SOC_NOPM, 0, 0, &rt1308_sto_dac_r),
+
+ /* Output Lines */
+ SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0,
+ rt1308_classd_event,
+ SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_OUTPUT("SPOL"),
+ SND_SOC_DAPM_OUTPUT("SPOR"),
+};
+
+static const struct snd_soc_dapm_route rt1308_dapm_routes[] = {
+
+ { "DAC", NULL, "AIF1RX" },
+
+ { "DAC", NULL, "MBIAS20U" },
+ { "DAC", NULL, "ALDO" },
+ { "DAC", NULL, "DBG" },
+ { "DAC", NULL, "DACL" },
+ { "DAC", NULL, "CLK25M" },
+ { "DAC", NULL, "ADC_R" },
+ { "DAC", NULL, "ADC_L" },
+ { "DAC", NULL, "DLDO" },
+ { "DAC", NULL, "VREF" },
+ { "DAC", NULL, "MIXER_R" },
+ { "DAC", NULL, "MIXER_L" },
+ { "DAC", NULL, "MBIAS4U" },
+ { "DAC", NULL, "PLL2_LDO" },
+ { "DAC", NULL, "PLL2B" },
+ { "DAC", NULL, "PLL2F" },
+ { "DAC", NULL, "PLL2F2" },
+ { "DAC", NULL, "PLL2B2" },
+
+ { "DAC L", "Switch", "DAC" },
+ { "DAC R", "Switch", "DAC" },
+ { "DAC L", NULL, "DAC Power" },
+ { "DAC R", NULL, "DAC Power" },
+
+ { "CLASS D", NULL, "DAC L" },
+ { "CLASS D", NULL, "DAC R" },
+ { "SPOL", NULL, "CLASS D" },
+ { "SPOR", NULL, "CLASS D" },
+};
+
+static int rt1308_get_clk_info(int sclk, int rate)
+{
+ int i;
+ static const int pd[] = {1, 2, 3, 4, 6, 8, 12, 16};
+
+ if (sclk <= 0 || rate <= 0)
+ return -EINVAL;
+
+ rate = rate << 8;
+ for (i = 0; i < ARRAY_SIZE(pd); i++)
+ if (sclk == rate * pd[i])
+ return i;
+
+ return -EINVAL;
+}
+
+static int rt1308_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 rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+ unsigned int val_len = 0, val_clk, mask_clk;
+ int pre_div, bclk_ms, frame_size;
+
+ rt1308->lrck = params_rate(params);
+ pre_div = rt1308_get_clk_info(rt1308->sysclk, rt1308->lrck);
+ if (pre_div < 0) {
+ dev_err(component->dev,
+ "Unsupported clock setting %d\n", rt1308->lrck);
+ return -EINVAL;
+ }
+
+ frame_size = snd_soc_params_to_frame_size(params);
+ if (frame_size < 0) {
+ dev_err(component->dev, "Unsupported frame size: %d\n",
+ frame_size);
+ return -EINVAL;
+ }
+
+ bclk_ms = frame_size > 32;
+ rt1308->bclk = rt1308->lrck * (32 << bclk_ms);
+
+ dev_dbg(component->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
+ bclk_ms, pre_div, dai->id);
+
+ dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
+ rt1308->lrck, pre_div, dai->id);
+
+ switch (params_width(params)) {
+ case 16:
+ val_len |= RT1308_I2S_DL_SEL_16B;
+ break;
+ case 20:
+ val_len |= RT1308_I2S_DL_SEL_20B;
+ break;
+ case 24:
+ val_len |= RT1308_I2S_DL_SEL_24B;
+ break;
+ case 8:
+ val_len |= RT1308_I2S_DL_SEL_8B;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (dai->id) {
+ case RT1308_AIF1:
+ mask_clk = RT1308_DIV_FS_SYS_MASK;
+ val_clk = pre_div << RT1308_DIV_FS_SYS_SFT;
+ snd_soc_component_update_bits(component,
+ RT1308_I2S_SET_2, RT1308_I2S_DL_SEL_MASK,
+ val_len);
+ break;
+ default:
+ dev_err(component->dev, "Invalid dai->id: %d\n", dai->id);
+ return -EINVAL;
+ }
+
+ snd_soc_component_update_bits(component, RT1308_CLK_1,
+ mask_clk, val_clk);
+
+ return 0;
+}
+
+static int rt1308_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+ unsigned int reg_val = 0, reg1_val = 0;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ rt1308->master = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ reg_val |= RT1308_I2S_DF_SEL_LEFT;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ reg_val |= RT1308_I2S_DF_SEL_PCM_A;
+ break;
+ case SND_SOC_DAIFMT_DSP_B:
+ reg_val |= RT1308_I2S_DF_SEL_PCM_B;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ reg1_val |= RT1308_I2S_BCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (dai->id) {
+ case RT1308_AIF1:
+ snd_soc_component_update_bits(component,
+ RT1308_I2S_SET_1, RT1308_I2S_DF_SEL_MASK,
+ reg_val);
+ snd_soc_component_update_bits(component,
+ RT1308_I2S_SET_2, RT1308_I2S_BCLK_MASK,
+ reg1_val);
+ break;
+ default:
+ dev_err(component->dev, "Invalid dai->id: %d\n", dai->id);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int rt1308_set_component_sysclk(struct snd_soc_component *component,
+ int clk_id, int source, unsigned int freq, int dir)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+ unsigned int reg_val = 0;
+
+ if (freq == rt1308->sysclk && clk_id == rt1308->sysclk_src)
+ return 0;
+
+ switch (clk_id) {
+ case RT1308_FS_SYS_S_MCLK:
+ reg_val |= RT1308_SEL_FS_SYS_SRC_MCLK;
+ snd_soc_component_update_bits(component,
+ RT1308_CLK_DET, RT1308_MCLK_DET_EN_MASK,
+ RT1308_MCLK_DET_EN);
+ break;
+ case RT1308_FS_SYS_S_BCLK:
+ reg_val |= RT1308_SEL_FS_SYS_SRC_BCLK;
+ break;
+ case RT1308_FS_SYS_S_PLL:
+ reg_val |= RT1308_SEL_FS_SYS_SRC_PLL;
+ break;
+ case RT1308_FS_SYS_S_RCCLK:
+ reg_val |= RT1308_SEL_FS_SYS_SRC_RCCLK;
+ break;
+ default:
+ dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
+ return -EINVAL;
+ }
+ snd_soc_component_update_bits(component, RT1308_CLK_1,
+ RT1308_SEL_FS_SYS_MASK, reg_val);
+ rt1308->sysclk = freq;
+ rt1308->sysclk_src = clk_id;
+
+ dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
+ freq, clk_id);
+
+ return 0;
+}
+
+static int rt1308_set_component_pll(struct snd_soc_component *component,
+ int pll_id, int source, unsigned int freq_in,
+ unsigned int freq_out)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+ struct rl6231_pll_code pll_code;
+ int ret;
+
+ if (source == rt1308->pll_src && freq_in == rt1308->pll_in &&
+ freq_out == rt1308->pll_out)
+ return 0;
+
+ if (!freq_in || !freq_out) {
+ dev_dbg(component->dev, "PLL disabled\n");
+
+ rt1308->pll_in = 0;
+ rt1308->pll_out = 0;
+ snd_soc_component_update_bits(component,
+ RT1308_CLK_1, RT1308_SEL_FS_SYS_MASK,
+ RT1308_SEL_FS_SYS_SRC_MCLK);
+ return 0;
+ }
+
+ switch (source) {
+ case RT1308_PLL_S_MCLK:
+ snd_soc_component_update_bits(component,
+ RT1308_CLK_2, RT1308_SEL_PLL_SRC_MASK,
+ RT1308_SEL_PLL_SRC_MCLK);
+ snd_soc_component_update_bits(component,
+ RT1308_CLK_DET, RT1308_MCLK_DET_EN_MASK,
+ RT1308_MCLK_DET_EN);
+ break;
+ case RT1308_PLL_S_BCLK:
+ snd_soc_component_update_bits(component,
+ RT1308_CLK_2, RT1308_SEL_PLL_SRC_MASK,
+ RT1308_SEL_PLL_SRC_BCLK);
+ break;
+ case RT1308_PLL_S_RCCLK:
+ snd_soc_component_update_bits(component,
+ RT1308_CLK_2, RT1308_SEL_PLL_SRC_MASK,
+ RT1308_SEL_PLL_SRC_RCCLK);
+ freq_in = 25000000;
+ break;
+ default:
+ dev_err(component->dev, "Unknown PLL Source %d\n", source);
+ return -EINVAL;
+ }
+
+ ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
+ if (ret < 0) {
+ dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
+ return ret;
+ }
+
+ dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
+ pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
+ pll_code.n_code, pll_code.k_code);
+
+ snd_soc_component_write(component, RT1308_PLL_1,
+ (pll_code.k_code << RT1308_PLL1_K_SFT) |
+ (pll_code.m_bp << RT1308_PLL1_M_BYPASS_SFT) |
+ ((pll_code.m_bp ? 0 : pll_code.m_code) << RT1308_PLL1_M_SFT) |
+ (pll_code.n_code << RT1308_PLL1_N_SFT));
+
+ rt1308->pll_in = freq_in;
+ rt1308->pll_out = freq_out;
+ rt1308->pll_src = source;
+
+ return 0;
+}
+
+static int rt1308_probe(struct snd_soc_component *component)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+
+ rt1308->component = component;
+
+ return rt1308_reg_init(component);
+}
+
+static void rt1308_remove(struct snd_soc_component *component)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+
+ regmap_write(rt1308->regmap, RT1308_RESET, 0);
+}
+
+#ifdef CONFIG_PM
+static int rt1308_suspend(struct snd_soc_component *component)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(rt1308->regmap, true);
+ regcache_mark_dirty(rt1308->regmap);
+
+ return 0;
+}
+
+static int rt1308_resume(struct snd_soc_component *component)
+{
+ struct rt1308_priv *rt1308 = snd_soc_component_get_drvdata(component);
+
+ regcache_cache_only(rt1308->regmap, false);
+ regcache_sync(rt1308->regmap);
+
+ return 0;
+}
+#else
+#define rt1308_suspend NULL
+#define rt1308_resume NULL
+#endif
+
+#define RT1308_STEREO_RATES SNDRV_PCM_RATE_48000
+#define RT1308_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE)
+
+static const struct snd_soc_dai_ops rt1308_aif_dai_ops = {
+ .hw_params = rt1308_hw_params,
+ .set_fmt = rt1308_set_dai_fmt,
+};
+
+static struct snd_soc_dai_driver rt1308_dai[] = {
+ {
+ .name = "rt1308-aif",
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT1308_STEREO_RATES,
+ .formats = RT1308_FORMATS,
+ },
+ .ops = &rt1308_aif_dai_ops,
+ },
+};
+
+static const struct snd_soc_component_driver soc_component_dev_rt1308 = {
+ .probe = rt1308_probe,
+ .remove = rt1308_remove,
+ .suspend = rt1308_suspend,
+ .resume = rt1308_resume,
+ .controls = rt1308_snd_controls,
+ .num_controls = ARRAY_SIZE(rt1308_snd_controls),
+ .dapm_widgets = rt1308_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt1308_dapm_widgets),
+ .dapm_routes = rt1308_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rt1308_dapm_routes),
+ .set_sysclk = rt1308_set_component_sysclk,
+ .set_pll = rt1308_set_component_pll,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static const struct regmap_config rt1308_regmap = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .max_register = RT1308_MAX_REG,
+ .volatile_reg = rt1308_volatile_register,
+ .readable_reg = rt1308_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt1308_reg,
+ .num_reg_defaults = ARRAY_SIZE(rt1308_reg),
+ .use_single_read = true,
+ .use_single_write = true,
+};
+
+#ifdef CONFIG_OF
+static const struct of_device_id rt1308_of_match[] = {
+ { .compatible = "realtek,rt1308", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, rt1308_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id rt1308_acpi_match[] = {
+ { "10EC1308", 0, },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, rt1308_acpi_match);
+#endif
+
+static const struct i2c_device_id rt1308_i2c_id[] = {
+ { "rt1308", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, rt1308_i2c_id);
+
+static void rt1308_efuse(struct rt1308_priv *rt1308)
+{
+ regmap_write(rt1308->regmap, RT1308_RESET, 0);
+
+ regmap_write(rt1308->regmap, RT1308_POWER_STATUS, 0x01800000);
+ msleep(100);
+ regmap_write(rt1308->regmap, RT1308_EFUSE_1, 0x44fe0f00);
+ msleep(20);
+ regmap_write(rt1308->regmap, RT1308_PVDD_OFFSET_CTL, 0x10000000);
+}
+
+static int rt1308_i2c_probe(struct i2c_client *i2c)
+{
+ struct rt1308_priv *rt1308;
+ int ret;
+ unsigned int val;
+
+ rt1308 = devm_kzalloc(&i2c->dev, sizeof(struct rt1308_priv),
+ GFP_KERNEL);
+ if (rt1308 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, rt1308);
+
+ rt1308->regmap = devm_regmap_init_i2c(i2c, &rt1308_regmap);
+ if (IS_ERR(rt1308->regmap)) {
+ ret = PTR_ERR(rt1308->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ regmap_read(rt1308->regmap, RT1308_VEN_DEV_ID, &val);
+ /* ignore last byte difference */
+ if ((val & 0xFFFFFF00) != RT1308_DEVICE_ID_NUM) {
+ dev_err(&i2c->dev,
+ "Device with ID register %x is not rt1308\n", val);
+ return -ENODEV;
+ }
+
+ rt1308_efuse(rt1308);
+
+ return devm_snd_soc_register_component(&i2c->dev,
+ &soc_component_dev_rt1308,
+ rt1308_dai, ARRAY_SIZE(rt1308_dai));
+}
+
+static void rt1308_i2c_shutdown(struct i2c_client *client)
+{
+ struct rt1308_priv *rt1308 = i2c_get_clientdata(client);
+
+ regmap_write(rt1308->regmap, RT1308_RESET, 0);
+}
+
+static struct i2c_driver rt1308_i2c_driver = {
+ .driver = {
+ .name = "rt1308",
+ .of_match_table = of_match_ptr(rt1308_of_match),
+ .acpi_match_table = ACPI_PTR(rt1308_acpi_match),
+ },
+ .probe_new = rt1308_i2c_probe,
+ .shutdown = rt1308_i2c_shutdown,
+ .id_table = rt1308_i2c_id,
+};
+module_i2c_driver(rt1308_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT1308 amplifier driver");
+MODULE_AUTHOR("Derek Fang <derek.fang@realtek.com>");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 00:32:01 +0000