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linux/sound/soc/codecs/cs43130.c

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/*
* cs43130.c -- CS43130 ALSA Soc Audio driver
*
* Copyright 2017 Cirrus Logic, Inc.
*
* Authors: Li Xu <li.xu@cirrus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
#include <linux/slab.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/of_gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/of_irq.h>
#include <linux/completion.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <sound/jack.h>
#include "cs43130.h"
static const struct reg_default cs43130_reg_defaults[] = {
{CS43130_SYS_CLK_CTL_1, 0x06},
{CS43130_SP_SRATE, 0x01},
{CS43130_SP_BITSIZE, 0x05},
{CS43130_PAD_INT_CFG, 0x03},
{CS43130_PWDN_CTL, 0xFE},
{CS43130_CRYSTAL_SET, 0x04},
{CS43130_PLL_SET_1, 0x00},
{CS43130_PLL_SET_2, 0x00},
{CS43130_PLL_SET_3, 0x00},
{CS43130_PLL_SET_4, 0x00},
{CS43130_PLL_SET_5, 0x40},
{CS43130_PLL_SET_6, 0x10},
{CS43130_PLL_SET_7, 0x80},
{CS43130_PLL_SET_8, 0x03},
{CS43130_PLL_SET_9, 0x02},
{CS43130_PLL_SET_10, 0x02},
{CS43130_CLKOUT_CTL, 0x00},
{CS43130_ASP_NUM_1, 0x01},
{CS43130_ASP_NUM_2, 0x00},
{CS43130_ASP_DEN_1, 0x08},
{CS43130_ASP_DEN_2, 0x00},
{CS43130_ASP_LRCK_HI_TIME_1, 0x1F},
{CS43130_ASP_LRCK_HI_TIME_2, 0x00},
{CS43130_ASP_LRCK_PERIOD_1, 0x3F},
{CS43130_ASP_LRCK_PERIOD_2, 0x00},
{CS43130_ASP_CLOCK_CONF, 0x0C},
{CS43130_ASP_FRAME_CONF, 0x0A},
{CS43130_XSP_NUM_1, 0x01},
{CS43130_XSP_NUM_2, 0x00},
{CS43130_XSP_DEN_1, 0x02},
{CS43130_XSP_DEN_2, 0x00},
{CS43130_XSP_LRCK_HI_TIME_1, 0x1F},
{CS43130_XSP_LRCK_HI_TIME_2, 0x00},
{CS43130_XSP_LRCK_PERIOD_1, 0x3F},
{CS43130_XSP_LRCK_PERIOD_2, 0x00},
{CS43130_XSP_CLOCK_CONF, 0x0C},
{CS43130_XSP_FRAME_CONF, 0x0A},
{CS43130_ASP_CH_1_LOC, 0x00},
{CS43130_ASP_CH_2_LOC, 0x00},
{CS43130_ASP_CH_1_SZ_EN, 0x06},
{CS43130_ASP_CH_2_SZ_EN, 0x0E},
{CS43130_XSP_CH_1_LOC, 0x00},
{CS43130_XSP_CH_2_LOC, 0x00},
{CS43130_XSP_CH_1_SZ_EN, 0x06},
{CS43130_XSP_CH_2_SZ_EN, 0x0E},
{CS43130_DSD_VOL_B, 0x78},
{CS43130_DSD_VOL_A, 0x78},
{CS43130_DSD_PATH_CTL_1, 0xA8},
{CS43130_DSD_INT_CFG, 0x00},
{CS43130_DSD_PATH_CTL_2, 0x02},
{CS43130_DSD_PCM_MIX_CTL, 0x00},
{CS43130_DSD_PATH_CTL_3, 0x40},
{CS43130_HP_OUT_CTL_1, 0x30},
{CS43130_PCM_FILT_OPT, 0x02},
{CS43130_PCM_VOL_B, 0x78},
{CS43130_PCM_VOL_A, 0x78},
{CS43130_PCM_PATH_CTL_1, 0xA8},
{CS43130_PCM_PATH_CTL_2, 0x00},
{CS43130_CLASS_H_CTL, 0x1E},
{CS43130_HP_DETECT, 0x04},
{CS43130_HP_LOAD_1, 0x00},
{CS43130_HP_MEAS_LOAD_1, 0x00},
{CS43130_HP_MEAS_LOAD_2, 0x00},
{CS43130_INT_MASK_1, 0xFF},
{CS43130_INT_MASK_2, 0xFF},
{CS43130_INT_MASK_3, 0xFF},
{CS43130_INT_MASK_4, 0xFF},
{CS43130_INT_MASK_5, 0xFF},
};
static bool cs43130_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
case CS43130_HP_DC_STAT_1 ... CS43130_HP_DC_STAT_2:
case CS43130_HP_AC_STAT_1 ... CS43130_HP_AC_STAT_2:
return true;
default:
return false;
}
}
static bool cs43130_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case CS43130_DEVID_AB ... CS43130_SYS_CLK_CTL_1:
case CS43130_SP_SRATE ... CS43130_PAD_INT_CFG:
case CS43130_PWDN_CTL:
case CS43130_CRYSTAL_SET:
case CS43130_PLL_SET_1 ... CS43130_PLL_SET_5:
case CS43130_PLL_SET_6:
case CS43130_PLL_SET_7:
case CS43130_PLL_SET_8:
case CS43130_PLL_SET_9:
case CS43130_PLL_SET_10:
case CS43130_CLKOUT_CTL:
case CS43130_ASP_NUM_1 ... CS43130_ASP_FRAME_CONF:
case CS43130_XSP_NUM_1 ... CS43130_XSP_FRAME_CONF:
case CS43130_ASP_CH_1_LOC:
case CS43130_ASP_CH_2_LOC:
case CS43130_ASP_CH_1_SZ_EN:
case CS43130_ASP_CH_2_SZ_EN:
case CS43130_XSP_CH_1_LOC:
case CS43130_XSP_CH_2_LOC:
case CS43130_XSP_CH_1_SZ_EN:
case CS43130_XSP_CH_2_SZ_EN:
case CS43130_DSD_VOL_B ... CS43130_DSD_PATH_CTL_3:
case CS43130_HP_OUT_CTL_1:
case CS43130_PCM_FILT_OPT ... CS43130_PCM_PATH_CTL_2:
case CS43130_CLASS_H_CTL:
case CS43130_HP_DETECT:
case CS43130_HP_STATUS:
case CS43130_HP_LOAD_1:
case CS43130_HP_MEAS_LOAD_1:
case CS43130_HP_MEAS_LOAD_2:
case CS43130_HP_DC_STAT_1:
case CS43130_HP_DC_STAT_2:
case CS43130_HP_AC_STAT_1:
case CS43130_HP_AC_STAT_2:
case CS43130_HP_LOAD_STAT:
case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
case CS43130_INT_MASK_1 ... CS43130_INT_MASK_5:
return true;
default:
return false;
}
}
static bool cs43130_precious_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case CS43130_INT_STATUS_1 ... CS43130_INT_STATUS_5:
return true;
default:
return false;
}
}
struct cs43130_pll_params {
unsigned int pll_in;
u8 sclk_prediv;
u8 pll_div_int;
u32 pll_div_frac;
u8 pll_mode;
u8 pll_divout;
unsigned int pll_out;
u8 pll_cal_ratio;
};
static const struct cs43130_pll_params pll_ratio_table[] = {
{9600000, 0x02, 0x49, 0x800000, 0x00, 0x08, 22579200, 151},
{9600000, 0x02, 0x50, 0x000000, 0x00, 0x08, 24576000, 164},
{11289600, 0x02, 0X40, 0, 0x01, 0x08, 22579200, 128},
{11289600, 0x02, 0x44, 0x06F700, 0x0, 0x08, 24576000, 139},
{12000000, 0x02, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120},
{12000000, 0x02, 0x40, 0x000000, 0x00, 0x08, 24576000, 131},
{12288000, 0x02, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118},
{12288000, 0x02, 0x40, 0x000000, 0x01, 0x08, 24576000, 128},
{13000000, 0x02, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111},
{13000000, 0x02, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121},
{19200000, 0x03, 0x49, 0x800000, 0x00, 0x08, 22579200, 151},
{19200000, 0x03, 0x50, 0x000000, 0x00, 0x08, 24576000, 164},
{22579200, 0, 0, 0, 0, 0, 22579200, 0},
{22579200, 0x03, 0x44, 0x06F700, 0x00, 0x08, 24576000, 139},
{24000000, 0x03, 0x49, 0x800000, 0x00, 0x0A, 22579200, 120},
{24000000, 0x03, 0x40, 0x000000, 0x00, 0x08, 24576000, 131},
{24576000, 0x03, 0x49, 0x800000, 0x01, 0x0A, 22579200, 118},
{24576000, 0, 0, 0, 0, 0, 24576000, 0},
{26000000, 0x03, 0x45, 0x797680, 0x01, 0x0A, 22579200, 111},
{26000000, 0x03, 0x3C, 0x7EA940, 0x01, 0x08, 24576000, 121},
};
static const struct cs43130_pll_params *cs43130_get_pll_table(
unsigned int freq_in, unsigned int freq_out)
{
int i;
for (i = 0; i < ARRAY_SIZE(pll_ratio_table); i++) {
if (pll_ratio_table[i].pll_in == freq_in &&
pll_ratio_table[i].pll_out == freq_out)
return &pll_ratio_table[i];
}
return NULL;
}
static int cs43130_pll_config(struct snd_soc_component *component)
{
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
const struct cs43130_pll_params *pll_entry;
dev_dbg(component->dev, "cs43130->mclk = %u, cs43130->mclk_int = %u\n",
cs43130->mclk, cs43130->mclk_int);
pll_entry = cs43130_get_pll_table(cs43130->mclk, cs43130->mclk_int);
if (!pll_entry)
return -EINVAL;
if (pll_entry->pll_cal_ratio == 0) {
regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
CS43130_PLL_START_MASK, 0);
cs43130->pll_bypass = true;
return 0;
}
cs43130->pll_bypass = false;
regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_2,
CS43130_PLL_DIV_DATA_MASK,
pll_entry->pll_div_frac >>
CS43130_PLL_DIV_FRAC_0_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_3,
CS43130_PLL_DIV_DATA_MASK,
pll_entry->pll_div_frac >>
CS43130_PLL_DIV_FRAC_1_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_4,
CS43130_PLL_DIV_DATA_MASK,
pll_entry->pll_div_frac >>
CS43130_PLL_DIV_FRAC_2_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_PLL_SET_5,
pll_entry->pll_div_int);
regmap_write(cs43130->regmap, CS43130_PLL_SET_6, pll_entry->pll_divout);
regmap_write(cs43130->regmap, CS43130_PLL_SET_7,
pll_entry->pll_cal_ratio);
regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_8,
CS43130_PLL_MODE_MASK,
pll_entry->pll_mode << CS43130_PLL_MODE_SHIFT);
regmap_write(cs43130->regmap, CS43130_PLL_SET_9,
pll_entry->sclk_prediv);
regmap_update_bits(cs43130->regmap, CS43130_PLL_SET_1,
CS43130_PLL_START_MASK, 1);
return 0;
}
static int cs43130_set_pll(struct snd_soc_component *component, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out)
{
int ret = 0;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (freq_in) {
case 9600000:
case 11289600:
case 12000000:
case 12288000:
case 13000000:
case 19200000:
case 22579200:
case 24000000:
case 24576000:
case 26000000:
cs43130->mclk = freq_in;
break;
default:
dev_err(component->dev,
"unsupported pll input reference clock:%d\n", freq_in);
return -EINVAL;
}
switch (freq_out) {
case 22579200:
cs43130->mclk_int = freq_out;
break;
case 24576000:
cs43130->mclk_int = freq_out;
break;
default:
dev_err(component->dev,
"unsupported pll output ref clock: %u\n", freq_out);
return -EINVAL;
}
ret = cs43130_pll_config(component);
dev_dbg(component->dev, "cs43130->pll_bypass = %d", cs43130->pll_bypass);
return ret;
}
static int cs43130_change_clksrc(struct snd_soc_component *component,
enum cs43130_mclk_src_sel src)
{
int ret;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
int mclk_int_decoded;
if (src == cs43130->mclk_int_src) {
/* clk source has not changed */
return 0;
}
switch (cs43130->mclk_int) {
case CS43130_MCLK_22M:
mclk_int_decoded = CS43130_MCLK_22P5;
break;
case CS43130_MCLK_24M:
mclk_int_decoded = CS43130_MCLK_24P5;
break;
default:
dev_err(component->dev, "Invalid MCLK INT freq: %u\n", cs43130->mclk_int);
return -EINVAL;
}
switch (src) {
case CS43130_MCLK_SRC_EXT:
cs43130->pll_bypass = true;
cs43130->mclk_int_src = CS43130_MCLK_SRC_EXT;
if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_XTAL_MASK,
1 << CS43130_PDN_XTAL_SHIFT);
} else {
reinit_completion(&cs43130->xtal_rdy);
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_RDY_INT_MASK, 0);
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_XTAL_MASK, 0);
ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
msecs_to_jiffies(100));
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_RDY_INT_MASK,
1 << CS43130_XTAL_RDY_INT_SHIFT);
if (ret == 0) {
dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
return -ETIMEDOUT;
}
}
regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
CS43130_MCLK_SRC_SEL_MASK,
src << CS43130_MCLK_SRC_SEL_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
CS43130_MCLK_INT_MASK,
mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
usleep_range(150, 200);
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_PLL_MASK,
1 << CS43130_PDN_PLL_SHIFT);
break;
case CS43130_MCLK_SRC_PLL:
cs43130->pll_bypass = false;
cs43130->mclk_int_src = CS43130_MCLK_SRC_PLL;
if (cs43130->xtal_ibias == CS43130_XTAL_UNUSED) {
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_XTAL_MASK,
1 << CS43130_PDN_XTAL_SHIFT);
} else {
reinit_completion(&cs43130->xtal_rdy);
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_RDY_INT_MASK, 0);
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_XTAL_MASK, 0);
ret = wait_for_completion_timeout(&cs43130->xtal_rdy,
msecs_to_jiffies(100));
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_RDY_INT_MASK,
1 << CS43130_XTAL_RDY_INT_SHIFT);
if (ret == 0) {
dev_err(component->dev, "Timeout waiting for XTAL_READY interrupt\n");
return -ETIMEDOUT;
}
}
reinit_completion(&cs43130->pll_rdy);
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_PLL_RDY_INT_MASK, 0);
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_PLL_MASK, 0);
ret = wait_for_completion_timeout(&cs43130->pll_rdy,
msecs_to_jiffies(100));
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_PLL_RDY_INT_MASK,
1 << CS43130_PLL_RDY_INT_SHIFT);
if (ret == 0) {
dev_err(component->dev, "Timeout waiting for PLL_READY interrupt\n");
return -ETIMEDOUT;
}
regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
CS43130_MCLK_SRC_SEL_MASK,
src << CS43130_MCLK_SRC_SEL_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
CS43130_MCLK_INT_MASK,
mclk_int_decoded << CS43130_MCLK_INT_SHIFT);
usleep_range(150, 200);
break;
case CS43130_MCLK_SRC_RCO:
cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
CS43130_MCLK_SRC_SEL_MASK,
src << CS43130_MCLK_SRC_SEL_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_SYS_CLK_CTL_1,
CS43130_MCLK_INT_MASK,
CS43130_MCLK_22P5 << CS43130_MCLK_INT_SHIFT);
usleep_range(150, 200);
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_XTAL_MASK,
1 << CS43130_PDN_XTAL_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_PWDN_CTL,
CS43130_PDN_PLL_MASK,
1 << CS43130_PDN_PLL_SHIFT);
break;
default:
dev_err(component->dev, "Invalid MCLK source value\n");
return -EINVAL;
}
return 0;
}
static const struct cs43130_bitwidth_map cs43130_bitwidth_table[] = {
{8, CS43130_SP_BIT_SIZE_8, CS43130_CH_BIT_SIZE_8},
{16, CS43130_SP_BIT_SIZE_16, CS43130_CH_BIT_SIZE_16},
{24, CS43130_SP_BIT_SIZE_24, CS43130_CH_BIT_SIZE_24},
{32, CS43130_SP_BIT_SIZE_32, CS43130_CH_BIT_SIZE_32},
};
static const struct cs43130_bitwidth_map *cs43130_get_bitwidth_table(
unsigned int bitwidth)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs43130_bitwidth_table); i++) {
if (cs43130_bitwidth_table[i].bitwidth == bitwidth)
return &cs43130_bitwidth_table[i];
}
return NULL;
}
static int cs43130_set_bitwidth(int dai_id, unsigned int bitwidth_dai,
struct regmap *regmap)
{
const struct cs43130_bitwidth_map *bw_map;
bw_map = cs43130_get_bitwidth_table(bitwidth_dai);
if (!bw_map)
return -EINVAL;
switch (dai_id) {
case CS43130_ASP_PCM_DAI:
case CS43130_ASP_DOP_DAI:
regmap_update_bits(regmap, CS43130_ASP_CH_1_SZ_EN,
CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
regmap_update_bits(regmap, CS43130_ASP_CH_2_SZ_EN,
CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
regmap_update_bits(regmap, CS43130_SP_BITSIZE,
CS43130_ASP_BITSIZE_MASK, bw_map->sp_bit);
break;
case CS43130_XSP_DOP_DAI:
regmap_update_bits(regmap, CS43130_XSP_CH_1_SZ_EN,
CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
regmap_update_bits(regmap, CS43130_XSP_CH_2_SZ_EN,
CS43130_CH_BITSIZE_MASK, bw_map->ch_bit);
regmap_update_bits(regmap, CS43130_SP_BITSIZE,
CS43130_XSP_BITSIZE_MASK, bw_map->sp_bit <<
CS43130_XSP_BITSIZE_SHIFT);
break;
default:
return -EINVAL;
}
return 0;
}
static const struct cs43130_rate_map cs43130_rate_table[] = {
{32000, CS43130_ASP_SPRATE_32K},
{44100, CS43130_ASP_SPRATE_44_1K},
{48000, CS43130_ASP_SPRATE_48K},
{88200, CS43130_ASP_SPRATE_88_2K},
{96000, CS43130_ASP_SPRATE_96K},
{176400, CS43130_ASP_SPRATE_176_4K},
{192000, CS43130_ASP_SPRATE_192K},
{352800, CS43130_ASP_SPRATE_352_8K},
{384000, CS43130_ASP_SPRATE_384K},
};
static const struct cs43130_rate_map *cs43130_get_rate_table(int fs)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs43130_rate_table); i++) {
if (cs43130_rate_table[i].fs == fs)
return &cs43130_rate_table[i];
}
return NULL;
}
static const struct cs43130_clk_gen *cs43130_get_clk_gen(int mclk_int, int fs,
const struct cs43130_clk_gen *clk_gen_table, int len_clk_gen_table)
{
int i;
for (i = 0; i < len_clk_gen_table; i++) {
if (clk_gen_table[i].mclk_int == mclk_int &&
clk_gen_table[i].fs == fs)
return &clk_gen_table[i];
}
return NULL;
}
static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk,
struct snd_pcm_hw_params *params,
struct cs43130_private *cs43130)
{
u16 frm_size;
u16 hi_size;
u8 frm_delay;
u8 frm_phase;
u8 frm_data;
u8 sclk_edge;
u8 lrck_edge;
u8 clk_data;
u8 loc_ch1;
u8 loc_ch2;
u8 dai_mode_val;
const struct cs43130_clk_gen *clk_gen;
switch (cs43130->dais[dai_id].dai_format) {
case SND_SOC_DAIFMT_I2S:
hi_size = bitwidth_sclk;
frm_delay = 2;
frm_phase = 0;
break;
case SND_SOC_DAIFMT_LEFT_J:
hi_size = bitwidth_sclk;
frm_delay = 2;
frm_phase = 1;
break;
case SND_SOC_DAIFMT_DSP_A:
hi_size = 1;
frm_delay = 2;
frm_phase = 1;
break;
case SND_SOC_DAIFMT_DSP_B:
hi_size = 1;
frm_delay = 0;
frm_phase = 1;
break;
default:
return -EINVAL;
}
switch (cs43130->dais[dai_id].dai_mode) {
case SND_SOC_DAIFMT_CBS_CFS:
dai_mode_val = 0;
break;
case SND_SOC_DAIFMT_CBM_CFM:
dai_mode_val = 1;
break;
default:
return -EINVAL;
}
frm_size = bitwidth_sclk * params_channels(params);
sclk_edge = 1;
lrck_edge = 0;
loc_ch1 = 0;
loc_ch2 = bitwidth_sclk * (params_channels(params) - 1);
frm_data = frm_delay & CS43130_SP_FSD_MASK;
frm_data |= (frm_phase << CS43130_SP_STP_SHIFT) & CS43130_SP_STP_MASK;
clk_data = lrck_edge & CS43130_SP_LCPOL_IN_MASK;
clk_data |= (lrck_edge << CS43130_SP_LCPOL_OUT_SHIFT) &
CS43130_SP_LCPOL_OUT_MASK;
clk_data |= (sclk_edge << CS43130_SP_SCPOL_IN_SHIFT) &
CS43130_SP_SCPOL_IN_MASK;
clk_data |= (sclk_edge << CS43130_SP_SCPOL_OUT_SHIFT) &
CS43130_SP_SCPOL_OUT_MASK;
clk_data |= (dai_mode_val << CS43130_SP_MODE_SHIFT) &
CS43130_SP_MODE_MASK;
switch (dai_id) {
case CS43130_ASP_PCM_DAI:
case CS43130_ASP_DOP_DAI:
regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_1,
CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
CS43130_SP_LCPR_LSB_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_PERIOD_2,
CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
CS43130_SP_LCPR_MSB_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_1,
CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
CS43130_SP_LCHI_LSB_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_ASP_LRCK_HI_TIME_2,
CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
CS43130_SP_LCHI_MSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_ASP_FRAME_CONF, frm_data);
regmap_write(cs43130->regmap, CS43130_ASP_CH_1_LOC, loc_ch1);
regmap_write(cs43130->regmap, CS43130_ASP_CH_2_LOC, loc_ch2);
regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_1_SZ_EN,
CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_ASP_CH_2_SZ_EN,
CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
regmap_write(cs43130->regmap, CS43130_ASP_CLOCK_CONF, clk_data);
break;
case CS43130_XSP_DOP_DAI:
regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_1,
CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
CS43130_SP_LCPR_LSB_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_PERIOD_2,
CS43130_SP_LCPR_DATA_MASK, (frm_size - 1) >>
CS43130_SP_LCPR_MSB_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_1,
CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
CS43130_SP_LCHI_LSB_DATA_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_XSP_LRCK_HI_TIME_2,
CS43130_SP_LCHI_DATA_MASK, (hi_size - 1) >>
CS43130_SP_LCHI_MSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_XSP_FRAME_CONF, frm_data);
regmap_write(cs43130->regmap, CS43130_XSP_CH_1_LOC, loc_ch1);
regmap_write(cs43130->regmap, CS43130_XSP_CH_2_LOC, loc_ch2);
regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_1_SZ_EN,
CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_XSP_CH_2_SZ_EN,
CS43130_CH_EN_MASK, 1 << CS43130_CH_EN_SHIFT);
regmap_write(cs43130->regmap, CS43130_XSP_CLOCK_CONF, clk_data);
break;
default:
return -EINVAL;
}
switch (frm_size) {
case 16:
clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
params_rate(params),
cs43130_16_clk_gen,
ARRAY_SIZE(cs43130_16_clk_gen));
break;
case 32:
clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
params_rate(params),
cs43130_32_clk_gen,
ARRAY_SIZE(cs43130_32_clk_gen));
break;
case 48:
clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
params_rate(params),
cs43130_48_clk_gen,
ARRAY_SIZE(cs43130_48_clk_gen));
break;
case 64:
clk_gen = cs43130_get_clk_gen(cs43130->mclk_int,
params_rate(params),
cs43130_64_clk_gen,
ARRAY_SIZE(cs43130_64_clk_gen));
break;
default:
return -EINVAL;
}
if (!clk_gen)
return -EINVAL;
switch (dai_id) {
case CS43130_ASP_PCM_DAI:
case CS43130_ASP_DOP_DAI:
regmap_write(cs43130->regmap, CS43130_ASP_DEN_1,
(clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
CS43130_SP_M_LSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_ASP_DEN_2,
(clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
CS43130_SP_M_MSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_ASP_NUM_1,
(clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
CS43130_SP_N_LSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_ASP_NUM_2,
(clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
CS43130_SP_N_MSB_DATA_SHIFT);
break;
case CS43130_XSP_DOP_DAI:
regmap_write(cs43130->regmap, CS43130_XSP_DEN_1,
(clk_gen->den & CS43130_SP_M_LSB_DATA_MASK) >>
CS43130_SP_M_LSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_XSP_DEN_2,
(clk_gen->den & CS43130_SP_M_MSB_DATA_MASK) >>
CS43130_SP_M_MSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_XSP_NUM_1,
(clk_gen->num & CS43130_SP_N_LSB_DATA_MASK) >>
CS43130_SP_N_LSB_DATA_SHIFT);
regmap_write(cs43130->regmap, CS43130_XSP_NUM_2,
(clk_gen->num & CS43130_SP_N_MSB_DATA_MASK) >>
CS43130_SP_N_MSB_DATA_SHIFT);
break;
default:
return -EINVAL;
}
return 0;
}
static int cs43130_pcm_dsd_mix(bool en, struct regmap *regmap)
{
if (en) {
regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
CS43130_MIX_PCM_PREP_MASK,
1 << CS43130_MIX_PCM_PREP_SHIFT);
usleep_range(6000, 6050);
regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
CS43130_MIX_PCM_DSD_MASK,
1 << CS43130_MIX_PCM_DSD_SHIFT);
} else {
regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
CS43130_MIX_PCM_DSD_MASK,
0 << CS43130_MIX_PCM_DSD_SHIFT);
usleep_range(1600, 1650);
regmap_update_bits(regmap, CS43130_DSD_PCM_MIX_CTL,
CS43130_MIX_PCM_PREP_MASK,
0 << CS43130_MIX_PCM_PREP_SHIFT);
}
return 0;
}
static int cs43130_dsd_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
unsigned int required_clk;
u8 dsd_speed;
mutex_lock(&cs43130->clk_mutex);
if (!cs43130->clk_req) {
/* no DAI is currently using clk */
if (!(CS43130_MCLK_22M % params_rate(params)))
required_clk = CS43130_MCLK_22M;
else
required_clk = CS43130_MCLK_24M;
cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk);
if (cs43130->pll_bypass)
cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
else
cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
}
cs43130->clk_req++;
if (cs43130->clk_req == 2)
cs43130_pcm_dsd_mix(true, cs43130->regmap);
mutex_unlock(&cs43130->clk_mutex);
switch (params_rate(params)) {
case 176400:
dsd_speed = 0;
break;
case 352800:
dsd_speed = 1;
break;
default:
dev_err(component->dev, "Rate(%u) not supported\n",
params_rate(params));
return -EINVAL;
}
if (cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM)
regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG,
CS43130_DSD_MASTER, CS43130_DSD_MASTER);
else
regmap_update_bits(cs43130->regmap, CS43130_DSD_INT_CFG,
CS43130_DSD_MASTER, 0);
regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
CS43130_DSD_SPEED_MASK,
dsd_speed << CS43130_DSD_SPEED_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_DSD <<
CS43130_DSD_SRC_SHIFT);
return 0;
}
static int cs43130_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
const struct cs43130_rate_map *rate_map;
unsigned int sclk = cs43130->dais[dai->id].sclk;
unsigned int bitwidth_sclk;
unsigned int bitwidth_dai = (unsigned int)(params_width(params));
unsigned int required_clk;
u8 dsd_speed;
mutex_lock(&cs43130->clk_mutex);
if (!cs43130->clk_req) {
/* no DAI is currently using clk */
if (!(CS43130_MCLK_22M % params_rate(params)))
required_clk = CS43130_MCLK_22M;
else
required_clk = CS43130_MCLK_24M;
cs43130_set_pll(component, 0, 0, cs43130->mclk, required_clk);
if (cs43130->pll_bypass)
cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
else
cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
}
cs43130->clk_req++;
if (cs43130->clk_req == 2)
cs43130_pcm_dsd_mix(true, cs43130->regmap);
mutex_unlock(&cs43130->clk_mutex);
switch (dai->id) {
case CS43130_ASP_DOP_DAI:
case CS43130_XSP_DOP_DAI:
/* DoP bitwidth is always 24-bit */
bitwidth_dai = 24;
sclk = params_rate(params) * bitwidth_dai *
params_channels(params);
switch (params_rate(params)) {
case 176400:
dsd_speed = 0;
break;
case 352800:
dsd_speed = 1;
break;
default:
dev_err(component->dev, "Rate(%u) not supported\n",
params_rate(params));
return -EINVAL;
}
regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
CS43130_DSD_SPEED_MASK,
dsd_speed << CS43130_DSD_SPEED_SHIFT);
break;
case CS43130_ASP_PCM_DAI:
rate_map = cs43130_get_rate_table(params_rate(params));
if (!rate_map)
return -EINVAL;
regmap_write(cs43130->regmap, CS43130_SP_SRATE, rate_map->val);
break;
default:
dev_err(component->dev, "Invalid DAI (%d)\n", dai->id);
return -EINVAL;
}
switch (dai->id) {
case CS43130_ASP_DOP_DAI:
regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_ASP <<
CS43130_DSD_SRC_SHIFT);
break;
case CS43130_XSP_DOP_DAI:
regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_2,
CS43130_DSD_SRC_MASK, CS43130_DSD_SRC_XSP <<
CS43130_DSD_SRC_SHIFT);
break;
}
if (!sclk && cs43130->dais[dai->id].dai_mode == SND_SOC_DAIFMT_CBM_CFM)
/* Calculate SCLK in master mode if unassigned */
sclk = params_rate(params) * bitwidth_dai *
params_channels(params);
if (!sclk) {
/* at this point, SCLK must be set */
dev_err(component->dev, "SCLK freq is not set\n");
return -EINVAL;
}
bitwidth_sclk = (sclk / params_rate(params)) / params_channels(params);
if (bitwidth_sclk < bitwidth_dai) {
dev_err(component->dev, "Format not supported: SCLK freq is too low\n");
return -EINVAL;
}
dev_dbg(component->dev,
"sclk = %u, fs = %d, bitwidth_dai = %u\n",
sclk, params_rate(params), bitwidth_dai);
dev_dbg(component->dev,
"bitwidth_sclk = %u, num_ch = %u\n",
bitwidth_sclk, params_channels(params));
cs43130_set_bitwidth(dai->id, bitwidth_dai, cs43130->regmap);
cs43130_set_sp_fmt(dai->id, bitwidth_sclk, params, cs43130);
return 0;
}
static int cs43130_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
mutex_lock(&cs43130->clk_mutex);
cs43130->clk_req--;
if (!cs43130->clk_req) {
/* no DAI is currently using clk */
cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
cs43130_pcm_dsd_mix(false, cs43130->regmap);
}
mutex_unlock(&cs43130->clk_mutex);
return 0;
}
static const DECLARE_TLV_DB_SCALE(pcm_vol_tlv, -12750, 50, 1);
static const char * const pcm_ch_text[] = {
"Left-Right Ch",
"Left-Left Ch",
"Right-Left Ch",
"Right-Right Ch",
};
static const struct reg_sequence pcm_ch_en_seq[] = {
{CS43130_DXD1, 0x99},
{0x180005, 0x8C},
{0x180007, 0xAB},
{0x180015, 0x31},
{0x180017, 0xB2},
{0x180025, 0x30},
{0x180027, 0x84},
{0x180035, 0x9C},
{0x180037, 0xAE},
{0x18000D, 0x24},
{0x18000F, 0xA3},
{0x18001D, 0x05},
{0x18001F, 0xD4},
{0x18002D, 0x0B},
{0x18002F, 0xC7},
{0x18003D, 0x71},
{0x18003F, 0xE7},
{CS43130_DXD1, 0},
};
static const struct reg_sequence pcm_ch_dis_seq[] = {
{CS43130_DXD1, 0x99},
{0x180005, 0x24},
{0x180007, 0xA3},
{0x180015, 0x05},
{0x180017, 0xD4},
{0x180025, 0x0B},
{0x180027, 0xC7},
{0x180035, 0x71},
{0x180037, 0xE7},
{0x18000D, 0x8C},
{0x18000F, 0xAB},
{0x18001D, 0x31},
{0x18001F, 0xB2},
{0x18002D, 0x30},
{0x18002F, 0x84},
{0x18003D, 0x9C},
{0x18003F, 0xAE},
{CS43130_DXD1, 0},
};
static int cs43130_pcm_ch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
return snd_soc_get_enum_double(kcontrol, ucontrol);
}
static int cs43130_pcm_ch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int *item = ucontrol->value.enumerated.item;
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
unsigned int val;
if (item[0] >= e->items)
return -EINVAL;
val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
switch (cs43130->dev_id) {
case CS43131_CHIP_ID:
case CS43198_CHIP_ID:
if (val >= 2)
regmap_multi_reg_write(cs43130->regmap, pcm_ch_en_seq,
ARRAY_SIZE(pcm_ch_en_seq));
else
regmap_multi_reg_write(cs43130->regmap, pcm_ch_dis_seq,
ARRAY_SIZE(pcm_ch_dis_seq));
break;
}
return snd_soc_put_enum_double(kcontrol, ucontrol);
}
static SOC_ENUM_SINGLE_DECL(pcm_ch_enum, CS43130_PCM_PATH_CTL_2, 0,
pcm_ch_text);
static const char * const pcm_spd_texts[] = {
"Fast",
"Slow",
};
static SOC_ENUM_SINGLE_DECL(pcm_spd_enum, CS43130_PCM_FILT_OPT, 7,
pcm_spd_texts);
static const char * const dsd_texts[] = {
"Off",
"BCKA Mode",
"BCKD Mode",
};
static const unsigned int dsd_values[] = {
CS43130_DSD_SRC_DSD,
CS43130_DSD_SRC_ASP,
CS43130_DSD_SRC_XSP,
};
static SOC_VALUE_ENUM_SINGLE_DECL(dsd_enum, CS43130_DSD_INT_CFG, 0, 0x03,
dsd_texts, dsd_values);
static const struct snd_kcontrol_new cs43130_snd_controls[] = {
SOC_DOUBLE_R_TLV("Master Playback Volume",
CS43130_PCM_VOL_A, CS43130_PCM_VOL_B, 0, 0xFF, 1,
pcm_vol_tlv),
SOC_DOUBLE_R_TLV("Master DSD Playback Volume",
CS43130_DSD_VOL_A, CS43130_DSD_VOL_B, 0, 0xFF, 1,
pcm_vol_tlv),
SOC_ENUM_EXT("PCM Ch Select", pcm_ch_enum, cs43130_pcm_ch_get,
cs43130_pcm_ch_put),
SOC_ENUM("PCM Filter Speed", pcm_spd_enum),
SOC_SINGLE("PCM Phase Compensation", CS43130_PCM_FILT_OPT, 6, 1, 0),
SOC_SINGLE("PCM Nonoversample Emulate", CS43130_PCM_FILT_OPT, 5, 1, 0),
SOC_SINGLE("PCM High-pass Filter", CS43130_PCM_FILT_OPT, 1, 1, 0),
SOC_SINGLE("PCM De-emphasis Filter", CS43130_PCM_FILT_OPT, 0, 1, 0),
SOC_ENUM("DSD Phase Modulation", dsd_enum),
};
static const struct reg_sequence pcm_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD7, 0x01},
{CS43130_DXD8, 0},
{CS43130_DXD9, 0x01},
{CS43130_DXD3, 0x12},
{CS43130_DXD4, 0},
{CS43130_DXD10, 0x28},
{CS43130_DXD11, 0x28},
{CS43130_DXD1, 0},
};
static const struct reg_sequence dsd_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD7, 0x01},
{CS43130_DXD8, 0},
{CS43130_DXD9, 0x01},
{CS43130_DXD3, 0x12},
{CS43130_DXD4, 0},
{CS43130_DXD10, 0x1E},
{CS43130_DXD11, 0x20},
{CS43130_DXD1, 0},
};
static const struct reg_sequence pop_free_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD12, 0x0A},
{CS43130_DXD1, 0},
};
static const struct reg_sequence pop_free_seq2[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD13, 0x20},
{CS43130_DXD1, 0},
};
static const struct reg_sequence mute_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD3, 0x12},
{CS43130_DXD5, 0x02},
{CS43130_DXD4, 0x12},
{CS43130_DXD1, 0},
};
static const struct reg_sequence unmute_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD3, 0x10},
{CS43130_DXD5, 0},
{CS43130_DXD4, 0x16},
{CS43130_DXD1, 0},
};
static int cs43130_dsd_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, dsd_seq,
ARRAY_SIZE(dsd_seq));
break;
}
break;
case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(cs43130->regmap, CS43130_DSD_PATH_CTL_1,
CS43130_MUTE_MASK, 0);
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, unmute_seq,
ARRAY_SIZE(unmute_seq));
break;
}
break;
case SND_SOC_DAPM_PRE_PMD:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, mute_seq,
ARRAY_SIZE(mute_seq));
regmap_update_bits(cs43130->regmap,
CS43130_DSD_PATH_CTL_1,
CS43130_MUTE_MASK, CS43130_MUTE_EN);
/*
* DSD Power Down Sequence
* According to Design, 130ms is preferred.
*/
msleep(130);
break;
case CS43131_CHIP_ID:
case CS43198_CHIP_ID:
regmap_update_bits(cs43130->regmap,
CS43130_DSD_PATH_CTL_1,
CS43130_MUTE_MASK, CS43130_MUTE_EN);
break;
}
break;
default:
dev_err(component->dev, "Invalid event = 0x%x\n", event);
return -EINVAL;
}
return 0;
}
static int cs43130_pcm_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, pcm_seq,
ARRAY_SIZE(pcm_seq));
break;
}
break;
case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(cs43130->regmap, CS43130_PCM_PATH_CTL_1,
CS43130_MUTE_MASK, 0);
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, unmute_seq,
ARRAY_SIZE(unmute_seq));
break;
}
break;
case SND_SOC_DAPM_PRE_PMD:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, mute_seq,
ARRAY_SIZE(mute_seq));
regmap_update_bits(cs43130->regmap,
CS43130_PCM_PATH_CTL_1,
CS43130_MUTE_MASK, CS43130_MUTE_EN);
/*
* PCM Power Down Sequence
* According to Design, 130ms is preferred.
*/
msleep(130);
break;
case CS43131_CHIP_ID:
case CS43198_CHIP_ID:
regmap_update_bits(cs43130->regmap,
CS43130_PCM_PATH_CTL_1,
CS43130_MUTE_MASK, CS43130_MUTE_EN);
break;
}
break;
default:
dev_err(component->dev, "Invalid event = 0x%x\n", event);
return -EINVAL;
}
return 0;
}
static const struct reg_sequence dac_postpmu_seq[] = {
{CS43130_DXD9, 0x0C},
{CS43130_DXD3, 0x10},
{CS43130_DXD4, 0x20},
};
static const struct reg_sequence dac_postpmd_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD6, 0x01},
{CS43130_DXD1, 0},
};
static int cs43130_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, pop_free_seq,
ARRAY_SIZE(pop_free_seq));
break;
case CS43131_CHIP_ID:
case CS43198_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, pop_free_seq2,
ARRAY_SIZE(pop_free_seq2));
break;
}
break;
case SND_SOC_DAPM_POST_PMU:
usleep_range(10000, 10050);
regmap_write(cs43130->regmap, CS43130_DXD1, 0x99);
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, dac_postpmu_seq,
ARRAY_SIZE(dac_postpmu_seq));
/*
* Per datasheet, Sec. PCM Power-Up Sequence.
* According to Design, CS43130_DXD12 must be 0 to meet
* THDN and Dynamic Range spec.
*/
msleep(1000);
regmap_write(cs43130->regmap, CS43130_DXD12, 0);
break;
case CS43131_CHIP_ID:
case CS43198_CHIP_ID:
usleep_range(12000, 12010);
regmap_write(cs43130->regmap, CS43130_DXD13, 0);
break;
}
regmap_write(cs43130->regmap, CS43130_DXD1, 0);
break;
case SND_SOC_DAPM_POST_PMD:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
regmap_multi_reg_write(cs43130->regmap, dac_postpmd_seq,
ARRAY_SIZE(dac_postpmd_seq));
break;
}
break;
default:
dev_err(component->dev, "Invalid DAC event = 0x%x\n", event);
return -EINVAL;
}
return 0;
}
static const struct reg_sequence hpin_prepmd_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD15, 0x64},
{CS43130_DXD14, 0},
{CS43130_DXD2, 0},
{CS43130_DXD1, 0},
};
static const struct reg_sequence hpin_postpmu_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD2, 1},
{CS43130_DXD14, 0xDC},
{CS43130_DXD15, 0xE4},
{CS43130_DXD1, 0},
};
static int cs43130_hpin_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 cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMD:
regmap_multi_reg_write(cs43130->regmap, hpin_prepmd_seq,
ARRAY_SIZE(hpin_prepmd_seq));
break;
case SND_SOC_DAPM_PRE_PMU:
regmap_multi_reg_write(cs43130->regmap, hpin_postpmu_seq,
ARRAY_SIZE(hpin_postpmu_seq));
break;
default:
dev_err(component->dev, "Invalid HPIN event = 0x%x\n", event);
return -EINVAL;
}
return 0;
}
static const struct snd_soc_dapm_widget digital_hp_widgets[] = {
SND_SOC_DAPM_OUTPUT("HPOUTA"),
SND_SOC_DAPM_OUTPUT("HPOUTB"),
SND_SOC_DAPM_AIF_IN_E("ASPIN PCM", NULL, 0, CS43130_PWDN_CTL,
CS43130_PDN_ASP_SHIFT, 1, cs43130_pcm_event,
(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD)),
SND_SOC_DAPM_AIF_IN_E("ASPIN DoP", NULL, 0, CS43130_PWDN_CTL,
CS43130_PDN_ASP_SHIFT, 1, cs43130_dsd_event,
(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD)),
SND_SOC_DAPM_AIF_IN_E("XSPIN DoP", NULL, 0, CS43130_PWDN_CTL,
CS43130_PDN_XSP_SHIFT, 1, cs43130_dsd_event,
(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD)),
SND_SOC_DAPM_AIF_IN_E("XSPIN DSD", NULL, 0, CS43130_PWDN_CTL,
CS43130_PDN_DSDIF_SHIFT, 1, cs43130_dsd_event,
(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_PRE_PMD)),
SND_SOC_DAPM_DAC("DSD", NULL, CS43130_DSD_PATH_CTL_2,
CS43130_DSD_EN_SHIFT, 0),
SND_SOC_DAPM_DAC_E("HiFi DAC", NULL, CS43130_PWDN_CTL,
CS43130_PDN_HP_SHIFT, 1, cs43130_dac_event,
(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD)),
};
static const struct snd_soc_dapm_widget analog_hp_widgets[] = {
SND_SOC_DAPM_DAC_E("Analog Playback", NULL, CS43130_HP_OUT_CTL_1,
CS43130_HP_IN_EN_SHIFT, 0, cs43130_hpin_event,
(SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD)),
};
static struct snd_soc_dapm_widget all_hp_widgets[
ARRAY_SIZE(digital_hp_widgets) +
ARRAY_SIZE(analog_hp_widgets)];
static const struct snd_soc_dapm_route digital_hp_routes[] = {
{"ASPIN PCM", NULL, "ASP PCM Playback"},
{"ASPIN DoP", NULL, "ASP DoP Playback"},
{"XSPIN DoP", NULL, "XSP DoP Playback"},
{"XSPIN DSD", NULL, "XSP DSD Playback"},
{"DSD", NULL, "ASPIN DoP"},
{"DSD", NULL, "XSPIN DoP"},
{"DSD", NULL, "XSPIN DSD"},
{"HiFi DAC", NULL, "ASPIN PCM"},
{"HiFi DAC", NULL, "DSD"},
{"HPOUTA", NULL, "HiFi DAC"},
{"HPOUTB", NULL, "HiFi DAC"},
};
static const struct snd_soc_dapm_route analog_hp_routes[] = {
{"HPOUTA", NULL, "Analog Playback"},
{"HPOUTB", NULL, "Analog Playback"},
};
static struct snd_soc_dapm_route all_hp_routes[
ARRAY_SIZE(digital_hp_routes) +
ARRAY_SIZE(analog_hp_routes)];
static const unsigned int cs43130_asp_src_rates[] = {
32000, 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000
};
static const struct snd_pcm_hw_constraint_list cs43130_asp_constraints = {
.count = ARRAY_SIZE(cs43130_asp_src_rates),
.list = cs43130_asp_src_rates,
};
static int cs43130_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&cs43130_asp_constraints);
}
static const unsigned int cs43130_dop_src_rates[] = {
176400, 352800,
};
static const struct snd_pcm_hw_constraint_list cs43130_dop_constraints = {
.count = ARRAY_SIZE(cs43130_dop_src_rates),
.list = cs43130_dop_src_rates,
};
static int cs43130_dop_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&cs43130_dop_constraints);
}
static int cs43130_pcm_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_component *component = codec_dai->component;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
break;
case SND_SOC_DAIFMT_CBM_CFM:
cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
break;
default:
dev_err(component->dev, "unsupported mode\n");
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_I2S;
break;
case SND_SOC_DAIFMT_LEFT_J:
cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_LEFT_J;
break;
case SND_SOC_DAIFMT_DSP_A:
cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_A;
break;
case SND_SOC_DAIFMT_DSP_B:
cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_DSP_B;
break;
default:
dev_err(component->dev,
"unsupported audio format\n");
return -EINVAL;
}
dev_dbg(component->dev, "dai_id = %d, dai_mode = %u, dai_format = %u\n",
codec_dai->id,
cs43130->dais[codec_dai->id].dai_mode,
cs43130->dais[codec_dai->id].dai_format);
return 0;
}
static int cs43130_dsd_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_component *component = codec_dai->component;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBS_CFS;
break;
case SND_SOC_DAIFMT_CBM_CFM:
cs43130->dais[codec_dai->id].dai_mode = SND_SOC_DAIFMT_CBM_CFM;
break;
default:
dev_err(component->dev, "Unsupported DAI format.\n");
return -EINVAL;
}
dev_dbg(component->dev, "dai_mode = 0x%x\n",
cs43130->dais[codec_dai->id].dai_mode);
return 0;
}
static int cs43130_set_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_component *component = codec_dai->component;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
cs43130->dais[codec_dai->id].sclk = freq;
dev_dbg(component->dev, "dai_id = %d, sclk = %u\n", codec_dai->id,
cs43130->dais[codec_dai->id].sclk);
return 0;
}
static const struct snd_soc_dai_ops cs43130_pcm_ops = {
.startup = cs43130_pcm_startup,
.hw_params = cs43130_hw_params,
.hw_free = cs43130_hw_free,
.set_sysclk = cs43130_set_sysclk,
.set_fmt = cs43130_pcm_set_fmt,
};
static const struct snd_soc_dai_ops cs43130_dop_ops = {
.startup = cs43130_dop_startup,
.hw_params = cs43130_hw_params,
.hw_free = cs43130_hw_free,
.set_sysclk = cs43130_set_sysclk,
.set_fmt = cs43130_pcm_set_fmt,
};
static const struct snd_soc_dai_ops cs43130_dsd_ops = {
.startup = cs43130_dop_startup,
.hw_params = cs43130_dsd_hw_params,
.hw_free = cs43130_hw_free,
.set_fmt = cs43130_dsd_set_fmt,
};
static struct snd_soc_dai_driver cs43130_dai[] = {
{
.name = "cs43130-asp-pcm",
.id = CS43130_ASP_PCM_DAI,
.playback = {
.stream_name = "ASP PCM Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS43130_PCM_FORMATS,
},
.ops = &cs43130_pcm_ops,
.symmetric_rates = 1,
},
{
.name = "cs43130-asp-dop",
.id = CS43130_ASP_DOP_DAI,
.playback = {
.stream_name = "ASP DoP Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS43130_DOP_FORMATS,
},
.ops = &cs43130_dop_ops,
.symmetric_rates = 1,
},
{
.name = "cs43130-xsp-dop",
.id = CS43130_XSP_DOP_DAI,
.playback = {
.stream_name = "XSP DoP Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS43130_DOP_FORMATS,
},
.ops = &cs43130_dop_ops,
.symmetric_rates = 1,
},
{
.name = "cs43130-xsp-dsd",
.id = CS43130_XSP_DSD_DAI,
.playback = {
.stream_name = "XSP DSD Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS43130_DOP_FORMATS,
},
.ops = &cs43130_dsd_ops,
},
};
static int cs43130_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq,
int dir)
{
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
dev_dbg(component->dev, "clk_id = %d, source = %d, freq = %d, dir = %d\n",
clk_id, source, freq, dir);
switch (freq) {
case CS43130_MCLK_22M:
case CS43130_MCLK_24M:
cs43130->mclk = freq;
break;
default:
dev_err(component->dev, "Invalid MCLK INT freq: %u\n", freq);
return -EINVAL;
}
if (source == CS43130_MCLK_SRC_EXT) {
cs43130->pll_bypass = true;
} else {
dev_err(component->dev, "Invalid MCLK source\n");
return -EINVAL;
}
return 0;
}
static inline u16 cs43130_get_ac_reg_val(u16 ac_freq)
{
/* AC freq is counted in 5.94Hz step. */
return ac_freq / 6;
}
static int cs43130_show_dc(struct device *dev, char *buf, u8 ch)
{
struct i2c_client *client = to_i2c_client(dev);
struct cs43130_private *cs43130 = i2c_get_clientdata(client);
if (!cs43130->hpload_done)
return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n");
else
return scnprintf(buf, PAGE_SIZE, "%u\n",
cs43130->hpload_dc[ch]);
}
static ssize_t cs43130_show_dc_l(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cs43130_show_dc(dev, buf, HP_LEFT);
}
static ssize_t cs43130_show_dc_r(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cs43130_show_dc(dev, buf, HP_RIGHT);
}
static u16 const cs43130_ac_freq[CS43130_AC_FREQ] = {
24,
43,
93,
200,
431,
928,
2000,
4309,
9283,
20000,
};
static int cs43130_show_ac(struct device *dev, char *buf, u8 ch)
{
int i, j = 0, tmp;
struct i2c_client *client = to_i2c_client(dev);
struct cs43130_private *cs43130 = i2c_get_clientdata(client);
if (cs43130->hpload_done && cs43130->ac_meas) {
for (i = 0; i < ARRAY_SIZE(cs43130_ac_freq); i++) {
tmp = scnprintf(buf + j, PAGE_SIZE - j, "%u\n",
cs43130->hpload_ac[i][ch]);
if (!tmp)
break;
j += tmp;
}
return j;
} else {
return scnprintf(buf, PAGE_SIZE, "NO_HPLOAD\n");
}
}
static ssize_t cs43130_show_ac_l(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cs43130_show_ac(dev, buf, HP_LEFT);
}
static ssize_t cs43130_show_ac_r(struct device *dev,
struct device_attribute *attr, char *buf)
{
return cs43130_show_ac(dev, buf, HP_RIGHT);
}
static DEVICE_ATTR(hpload_dc_l, 0444, cs43130_show_dc_l, NULL);
static DEVICE_ATTR(hpload_dc_r, 0444, cs43130_show_dc_r, NULL);
static DEVICE_ATTR(hpload_ac_l, 0444, cs43130_show_ac_l, NULL);
static DEVICE_ATTR(hpload_ac_r, 0444, cs43130_show_ac_r, NULL);
static struct reg_sequence hp_en_cal_seq[] = {
{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
{CS43130_HP_MEAS_LOAD_1, 0},
{CS43130_HP_MEAS_LOAD_2, 0},
{CS43130_INT_MASK_4, 0},
{CS43130_DXD1, 0x99},
{CS43130_DXD16, 0xBB},
{CS43130_DXD12, 0x01},
{CS43130_DXD19, 0xCB},
{CS43130_DXD17, 0x95},
{CS43130_DXD18, 0x0B},
{CS43130_DXD1, 0},
{CS43130_HP_LOAD_1, 0x80},
};
static struct reg_sequence hp_en_cal_seq2[] = {
{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
{CS43130_HP_MEAS_LOAD_1, 0},
{CS43130_HP_MEAS_LOAD_2, 0},
{CS43130_INT_MASK_4, 0},
{CS43130_HP_LOAD_1, 0x80},
};
static struct reg_sequence hp_dis_cal_seq[] = {
{CS43130_HP_LOAD_1, 0x80},
{CS43130_DXD1, 0x99},
{CS43130_DXD12, 0},
{CS43130_DXD1, 0},
{CS43130_HP_LOAD_1, 0},
};
static struct reg_sequence hp_dis_cal_seq2[] = {
{CS43130_HP_LOAD_1, 0x80},
{CS43130_HP_LOAD_1, 0},
};
static struct reg_sequence hp_dc_ch_l_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD19, 0x0A},
{CS43130_DXD17, 0x93},
{CS43130_DXD18, 0x0A},
{CS43130_DXD1, 0},
{CS43130_HP_LOAD_1, 0x80},
{CS43130_HP_LOAD_1, 0x81},
};
static struct reg_sequence hp_dc_ch_l_seq2[] = {
{CS43130_HP_LOAD_1, 0x80},
{CS43130_HP_LOAD_1, 0x81},
};
static struct reg_sequence hp_dc_ch_r_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD19, 0x8A},
{CS43130_DXD17, 0x15},
{CS43130_DXD18, 0x06},
{CS43130_DXD1, 0},
{CS43130_HP_LOAD_1, 0x90},
{CS43130_HP_LOAD_1, 0x91},
};
static struct reg_sequence hp_dc_ch_r_seq2[] = {
{CS43130_HP_LOAD_1, 0x90},
{CS43130_HP_LOAD_1, 0x91},
};
static struct reg_sequence hp_ac_ch_l_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD19, 0x0A},
{CS43130_DXD17, 0x93},
{CS43130_DXD18, 0x0A},
{CS43130_DXD1, 0},
{CS43130_HP_LOAD_1, 0x80},
{CS43130_HP_LOAD_1, 0x82},
};
static struct reg_sequence hp_ac_ch_l_seq2[] = {
{CS43130_HP_LOAD_1, 0x80},
{CS43130_HP_LOAD_1, 0x82},
};
static struct reg_sequence hp_ac_ch_r_seq[] = {
{CS43130_DXD1, 0x99},
{CS43130_DXD19, 0x8A},
{CS43130_DXD17, 0x15},
{CS43130_DXD18, 0x06},
{CS43130_DXD1, 0},
{CS43130_HP_LOAD_1, 0x90},
{CS43130_HP_LOAD_1, 0x92},
};
static struct reg_sequence hp_ac_ch_r_seq2[] = {
{CS43130_HP_LOAD_1, 0x90},
{CS43130_HP_LOAD_1, 0x92},
};
static struct reg_sequence hp_cln_seq[] = {
{CS43130_INT_MASK_4, CS43130_INT_MASK_ALL},
{CS43130_HP_MEAS_LOAD_1, 0},
{CS43130_HP_MEAS_LOAD_2, 0},
};
struct reg_sequences {
struct reg_sequence *seq;
int size;
unsigned int msk;
};
static struct reg_sequences hpload_seq1[] = {
{
.seq = hp_en_cal_seq,
.size = ARRAY_SIZE(hp_en_cal_seq),
.msk = CS43130_HPLOAD_ON_INT,
},
{
.seq = hp_dc_ch_l_seq,
.size = ARRAY_SIZE(hp_dc_ch_l_seq),
.msk = CS43130_HPLOAD_DC_INT,
},
{
.seq = hp_ac_ch_l_seq,
.size = ARRAY_SIZE(hp_ac_ch_l_seq),
.msk = CS43130_HPLOAD_AC_INT,
},
{
.seq = hp_dis_cal_seq,
.size = ARRAY_SIZE(hp_dis_cal_seq),
.msk = CS43130_HPLOAD_OFF_INT,
},
{
.seq = hp_en_cal_seq,
.size = ARRAY_SIZE(hp_en_cal_seq),
.msk = CS43130_HPLOAD_ON_INT,
},
{
.seq = hp_dc_ch_r_seq,
.size = ARRAY_SIZE(hp_dc_ch_r_seq),
.msk = CS43130_HPLOAD_DC_INT,
},
{
.seq = hp_ac_ch_r_seq,
.size = ARRAY_SIZE(hp_ac_ch_r_seq),
.msk = CS43130_HPLOAD_AC_INT,
},
};
static struct reg_sequences hpload_seq2[] = {
{
.seq = hp_en_cal_seq2,
.size = ARRAY_SIZE(hp_en_cal_seq2),
.msk = CS43130_HPLOAD_ON_INT,
},
{
.seq = hp_dc_ch_l_seq2,
.size = ARRAY_SIZE(hp_dc_ch_l_seq2),
.msk = CS43130_HPLOAD_DC_INT,
},
{
.seq = hp_ac_ch_l_seq2,
.size = ARRAY_SIZE(hp_ac_ch_l_seq2),
.msk = CS43130_HPLOAD_AC_INT,
},
{
.seq = hp_dis_cal_seq2,
.size = ARRAY_SIZE(hp_dis_cal_seq2),
.msk = CS43130_HPLOAD_OFF_INT,
},
{
.seq = hp_en_cal_seq2,
.size = ARRAY_SIZE(hp_en_cal_seq2),
.msk = CS43130_HPLOAD_ON_INT,
},
{
.seq = hp_dc_ch_r_seq2,
.size = ARRAY_SIZE(hp_dc_ch_r_seq2),
.msk = CS43130_HPLOAD_DC_INT,
},
{
.seq = hp_ac_ch_r_seq2,
.size = ARRAY_SIZE(hp_ac_ch_r_seq2),
.msk = CS43130_HPLOAD_AC_INT,
},
};
static int cs43130_update_hpload(unsigned int msk, int ac_idx,
struct cs43130_private *cs43130)
{
bool left_ch = true;
unsigned int reg;
u32 addr;
u16 impedance;
struct snd_soc_component *component = cs43130->component;
switch (msk) {
case CS43130_HPLOAD_DC_INT:
case CS43130_HPLOAD_AC_INT:
break;
default:
return 0;
}
regmap_read(cs43130->regmap, CS43130_HP_LOAD_1, &reg);
if (reg & CS43130_HPLOAD_CHN_SEL)
left_ch = false;
if (msk == CS43130_HPLOAD_DC_INT)
addr = CS43130_HP_DC_STAT_1;
else
addr = CS43130_HP_AC_STAT_1;
regmap_read(cs43130->regmap, addr, &reg);
impedance = reg >> 3;
regmap_read(cs43130->regmap, addr + 1, &reg);
impedance |= reg << 5;
if (msk == CS43130_HPLOAD_DC_INT) {
if (left_ch)
cs43130->hpload_dc[HP_LEFT] = impedance;
else
cs43130->hpload_dc[HP_RIGHT] = impedance;
dev_dbg(component->dev, "HP DC impedance (Ch %u): %u\n", !left_ch,
impedance);
} else {
if (left_ch)
cs43130->hpload_ac[ac_idx][HP_LEFT] = impedance;
else
cs43130->hpload_ac[ac_idx][HP_RIGHT] = impedance;
dev_dbg(component->dev, "HP AC (%u Hz) impedance (Ch %u): %u\n",
cs43130->ac_freq[ac_idx], !left_ch, impedance);
}
return 0;
}
static int cs43130_hpload_proc(struct cs43130_private *cs43130,
struct reg_sequence *seq, int seq_size,
unsigned int rslt_msk, int ac_idx)
{
int ret;
unsigned int msk;
u16 ac_reg_val;
struct snd_soc_component *component = cs43130->component;
reinit_completion(&cs43130->hpload_evt);
if (rslt_msk == CS43130_HPLOAD_AC_INT) {
ac_reg_val = cs43130_get_ac_reg_val(cs43130->ac_freq[ac_idx]);
regmap_update_bits(cs43130->regmap, CS43130_HP_LOAD_1,
CS43130_HPLOAD_AC_START, 0);
regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_1,
CS43130_HP_MEAS_LOAD_MASK,
ac_reg_val >> CS43130_HP_MEAS_LOAD_1_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_HP_MEAS_LOAD_2,
CS43130_HP_MEAS_LOAD_MASK,
ac_reg_val >> CS43130_HP_MEAS_LOAD_2_SHIFT);
}
regmap_multi_reg_write(cs43130->regmap, seq,
seq_size);
ret = wait_for_completion_timeout(&cs43130->hpload_evt,
msecs_to_jiffies(1000));
regmap_read(cs43130->regmap, CS43130_INT_MASK_4, &msk);
if (!ret) {
dev_err(component->dev, "Timeout waiting for HPLOAD interrupt\n");
return -1;
}
dev_dbg(component->dev, "HP load stat: %x, INT_MASK_4: %x\n",
cs43130->hpload_stat, msk);
if ((cs43130->hpload_stat & (CS43130_HPLOAD_NO_DC_INT |
CS43130_HPLOAD_UNPLUG_INT |
CS43130_HPLOAD_OOR_INT)) ||
!(cs43130->hpload_stat & rslt_msk)) {
dev_dbg(component->dev, "HP load measure failed\n");
return -1;
}
return 0;
}
static const struct reg_sequence hv_seq[][2] = {
{
{CS43130_CLASS_H_CTL, 0x1C},
{CS43130_HP_OUT_CTL_1, 0x10},
},
{
{CS43130_CLASS_H_CTL, 0x1E},
{CS43130_HP_OUT_CTL_1, 0x20},
},
{
{CS43130_CLASS_H_CTL, 0x1E},
{CS43130_HP_OUT_CTL_1, 0x30},
},
};
static int cs43130_set_hv(struct regmap *regmap, u16 hpload_dc,
const u16 *dc_threshold)
{
int i;
for (i = 0; i < CS43130_DC_THRESHOLD; i++) {
if (hpload_dc <= dc_threshold[i])
break;
}
regmap_multi_reg_write(regmap, hv_seq[i], ARRAY_SIZE(hv_seq[i]));
return 0;
}
static void cs43130_imp_meas(struct work_struct *wk)
{
unsigned int reg, seq_size;
int i, ret, ac_idx;
struct cs43130_private *cs43130;
struct snd_soc_component *component;
struct reg_sequences *hpload_seq;
cs43130 = container_of(wk, struct cs43130_private, work);
component = cs43130->component;
if (!cs43130->mclk)
return;
cs43130->hpload_done = false;
mutex_lock(&cs43130->clk_mutex);
if (!cs43130->clk_req) {
/* clk not in use */
cs43130_set_pll(component, 0, 0, cs43130->mclk, CS43130_MCLK_22M);
if (cs43130->pll_bypass)
cs43130_change_clksrc(component, CS43130_MCLK_SRC_EXT);
else
cs43130_change_clksrc(component, CS43130_MCLK_SRC_PLL);
}
cs43130->clk_req++;
mutex_unlock(&cs43130->clk_mutex);
regmap_read(cs43130->regmap, CS43130_INT_STATUS_4, &reg);
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
hpload_seq = hpload_seq1;
seq_size = ARRAY_SIZE(hpload_seq1);
break;
case CS43131_CHIP_ID:
hpload_seq = hpload_seq2;
seq_size = ARRAY_SIZE(hpload_seq2);
break;
default:
WARN(1, "Invalid dev_id for meas: %d", cs43130->dev_id);
return;
}
i = 0;
ac_idx = 0;
while (i < seq_size) {
ret = cs43130_hpload_proc(cs43130, hpload_seq[i].seq,
hpload_seq[i].size,
hpload_seq[i].msk, ac_idx);
if (ret < 0)
goto exit;
cs43130_update_hpload(hpload_seq[i].msk, ac_idx, cs43130);
if (cs43130->ac_meas &&
hpload_seq[i].msk == CS43130_HPLOAD_AC_INT &&
ac_idx < CS43130_AC_FREQ - 1) {
ac_idx++;
} else {
ac_idx = 0;
i++;
}
}
cs43130->hpload_done = true;
if (cs43130->hpload_dc[HP_LEFT] >= CS43130_LINEOUT_LOAD)
snd_soc_jack_report(&cs43130->jack, CS43130_JACK_LINEOUT,
CS43130_JACK_MASK);
else
snd_soc_jack_report(&cs43130->jack, CS43130_JACK_HEADPHONE,
CS43130_JACK_MASK);
dev_dbg(component->dev, "Set HP output control. DC threshold\n");
for (i = 0; i < CS43130_DC_THRESHOLD; i++)
dev_dbg(component->dev, "DC threshold[%d]: %u.\n", i,
cs43130->dc_threshold[i]);
cs43130_set_hv(cs43130->regmap, cs43130->hpload_dc[HP_LEFT],
cs43130->dc_threshold);
exit:
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
cs43130_hpload_proc(cs43130, hp_dis_cal_seq,
ARRAY_SIZE(hp_dis_cal_seq),
CS43130_HPLOAD_OFF_INT, ac_idx);
break;
case CS43131_CHIP_ID:
cs43130_hpload_proc(cs43130, hp_dis_cal_seq2,
ARRAY_SIZE(hp_dis_cal_seq2),
CS43130_HPLOAD_OFF_INT, ac_idx);
break;
}
regmap_multi_reg_write(cs43130->regmap, hp_cln_seq,
ARRAY_SIZE(hp_cln_seq));
mutex_lock(&cs43130->clk_mutex);
cs43130->clk_req--;
/* clk not in use */
if (!cs43130->clk_req)
cs43130_change_clksrc(component, CS43130_MCLK_SRC_RCO);
mutex_unlock(&cs43130->clk_mutex);
}
static irqreturn_t cs43130_irq_thread(int irq, void *data)
{
struct cs43130_private *cs43130 = (struct cs43130_private *)data;
struct snd_soc_component *component = cs43130->component;
unsigned int stickies[CS43130_NUM_INT];
unsigned int irq_occurrence = 0;
unsigned int masks[CS43130_NUM_INT];
int i, j;
for (i = 0; i < ARRAY_SIZE(stickies); i++) {
regmap_read(cs43130->regmap, CS43130_INT_STATUS_1 + i,
&stickies[i]);
regmap_read(cs43130->regmap, CS43130_INT_MASK_1 + i,
&masks[i]);
}
for (i = 0; i < ARRAY_SIZE(stickies); i++) {
stickies[i] = stickies[i] & (~masks[i]);
for (j = 0; j < 8; j++)
irq_occurrence += (stickies[i] >> j) & 1;
}
dev_dbg(component->dev, "number of interrupts occurred (%u)\n",
irq_occurrence);
if (!irq_occurrence)
return IRQ_NONE;
if (stickies[0] & CS43130_XTAL_RDY_INT) {
complete(&cs43130->xtal_rdy);
return IRQ_HANDLED;
}
if (stickies[0] & CS43130_PLL_RDY_INT) {
complete(&cs43130->pll_rdy);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_NO_DC_INT) {
cs43130->hpload_stat = stickies[3];
dev_err(component->dev,
"DC load has not completed before AC load (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_UNPLUG_INT) {
cs43130->hpload_stat = stickies[3];
dev_err(component->dev, "HP unplugged during measurement (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_OOR_INT) {
cs43130->hpload_stat = stickies[3];
dev_err(component->dev, "HP load out of range (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_AC_INT) {
cs43130->hpload_stat = stickies[3];
dev_dbg(component->dev, "HP AC load measurement done (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_DC_INT) {
cs43130->hpload_stat = stickies[3];
dev_dbg(component->dev, "HP DC load measurement done (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_ON_INT) {
cs43130->hpload_stat = stickies[3];
dev_dbg(component->dev, "HP load state machine on done (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[3] & CS43130_HPLOAD_OFF_INT) {
cs43130->hpload_stat = stickies[3];
dev_dbg(component->dev, "HP load state machine off done (%x)\n",
cs43130->hpload_stat);
complete(&cs43130->hpload_evt);
return IRQ_HANDLED;
}
if (stickies[0] & CS43130_XTAL_ERR_INT) {
dev_err(component->dev, "Crystal err: clock is not running\n");
return IRQ_HANDLED;
}
if (stickies[0] & CS43130_HP_UNPLUG_INT) {
dev_dbg(component->dev, "HP unplugged\n");
cs43130->hpload_done = false;
snd_soc_jack_report(&cs43130->jack, 0, CS43130_JACK_MASK);
return IRQ_HANDLED;
}
if (stickies[0] & CS43130_HP_PLUG_INT) {
if (cs43130->dc_meas && !cs43130->hpload_done &&
!work_busy(&cs43130->work)) {
dev_dbg(component->dev, "HP load queue work\n");
queue_work(cs43130->wq, &cs43130->work);
}
snd_soc_jack_report(&cs43130->jack, SND_JACK_MECHANICAL,
CS43130_JACK_MASK);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
static int cs43130_probe(struct snd_soc_component *component)
{
int ret;
struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);
struct snd_soc_card *card = component->card;
unsigned int reg;
cs43130->component = component;
if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED) {
regmap_update_bits(cs43130->regmap, CS43130_CRYSTAL_SET,
CS43130_XTAL_IBIAS_MASK,
cs43130->xtal_ibias);
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_ERR_INT, 0);
}
ret = snd_soc_card_jack_new(card, "Headphone", CS43130_JACK_MASK,
&cs43130->jack, NULL, 0);
if (ret < 0) {
dev_err(component->dev, "Cannot create jack\n");
return ret;
}
cs43130->hpload_done = false;
if (cs43130->dc_meas) {
ret = device_create_file(component->dev, &dev_attr_hpload_dc_l);
if (ret < 0)
return ret;
ret = device_create_file(component->dev, &dev_attr_hpload_dc_r);
if (ret < 0)
return ret;
ret = device_create_file(component->dev, &dev_attr_hpload_ac_l);
if (ret < 0)
return ret;
ret = device_create_file(component->dev, &dev_attr_hpload_ac_r);
if (ret < 0)
return ret;
cs43130->wq = create_singlethread_workqueue("cs43130_hp");
if (!cs43130->wq)
return -ENOMEM;
INIT_WORK(&cs43130->work, cs43130_imp_meas);
}
regmap_read(cs43130->regmap, CS43130_INT_STATUS_1, &reg);
regmap_read(cs43130->regmap, CS43130_HP_STATUS, &reg);
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT, 0);
regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
CS43130_HP_DETECT_CTRL_MASK, 0);
regmap_update_bits(cs43130->regmap, CS43130_HP_DETECT,
CS43130_HP_DETECT_CTRL_MASK,
CS43130_HP_DETECT_CTRL_MASK);
return 0;
}
static struct snd_soc_component_driver soc_component_dev_cs43130 = {
.probe = cs43130_probe,
.controls = cs43130_snd_controls,
.num_controls = ARRAY_SIZE(cs43130_snd_controls),
.set_sysclk = cs43130_component_set_sysclk,
.set_pll = cs43130_set_pll,
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
.non_legacy_dai_naming = 1,
};
static const struct regmap_config cs43130_regmap = {
.reg_bits = 24,
.pad_bits = 8,
.val_bits = 8,
.max_register = CS43130_LASTREG,
.reg_defaults = cs43130_reg_defaults,
.num_reg_defaults = ARRAY_SIZE(cs43130_reg_defaults),
.readable_reg = cs43130_readable_register,
.precious_reg = cs43130_precious_register,
.volatile_reg = cs43130_volatile_register,
.cache_type = REGCACHE_RBTREE,
/* needed for regcache_sync */
.use_single_read = true,
.use_single_write = true,
};
static u16 const cs43130_dc_threshold[CS43130_DC_THRESHOLD] = {
50,
120,
};
static int cs43130_handle_device_data(struct i2c_client *i2c_client,
struct cs43130_private *cs43130)
{
struct device_node *np = i2c_client->dev.of_node;
unsigned int val;
int i;
if (of_property_read_u32(np, "cirrus,xtal-ibias", &val) < 0) {
/* Crystal is unused. System clock is used for external MCLK */
cs43130->xtal_ibias = CS43130_XTAL_UNUSED;
return 0;
}
switch (val) {
case 1:
cs43130->xtal_ibias = CS43130_XTAL_IBIAS_7_5UA;
break;
case 2:
cs43130->xtal_ibias = CS43130_XTAL_IBIAS_12_5UA;
break;
case 3:
cs43130->xtal_ibias = CS43130_XTAL_IBIAS_15UA;
break;
default:
dev_err(&i2c_client->dev,
"Invalid cirrus,xtal-ibias value: %d\n", val);
return -EINVAL;
}
cs43130->dc_meas = of_property_read_bool(np, "cirrus,dc-measure");
cs43130->ac_meas = of_property_read_bool(np, "cirrus,ac-measure");
if (of_property_read_u16_array(np, "cirrus,ac-freq", cs43130->ac_freq,
CS43130_AC_FREQ) < 0) {
for (i = 0; i < CS43130_AC_FREQ; i++)
cs43130->ac_freq[i] = cs43130_ac_freq[i];
}
if (of_property_read_u16_array(np, "cirrus,dc-threshold",
cs43130->dc_threshold,
CS43130_DC_THRESHOLD) < 0) {
for (i = 0; i < CS43130_DC_THRESHOLD; i++)
cs43130->dc_threshold[i] = cs43130_dc_threshold[i];
}
return 0;
}
static int cs43130_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct cs43130_private *cs43130;
int ret;
unsigned int devid = 0;
unsigned int reg;
int i;
cs43130 = devm_kzalloc(&client->dev, sizeof(*cs43130), GFP_KERNEL);
if (!cs43130)
return -ENOMEM;
i2c_set_clientdata(client, cs43130);
cs43130->regmap = devm_regmap_init_i2c(client, &cs43130_regmap);
if (IS_ERR(cs43130->regmap)) {
ret = PTR_ERR(cs43130->regmap);
return ret;
}
if (client->dev.of_node) {
ret = cs43130_handle_device_data(client, cs43130);
if (ret != 0)
return ret;
}
for (i = 0; i < ARRAY_SIZE(cs43130->supplies); i++)
cs43130->supplies[i].supply = cs43130_supply_names[i];
ret = devm_regulator_bulk_get(&client->dev,
ARRAY_SIZE(cs43130->supplies),
cs43130->supplies);
if (ret != 0) {
dev_err(&client->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(cs43130->supplies),
cs43130->supplies);
if (ret != 0) {
dev_err(&client->dev, "Failed to enable supplies: %d\n", ret);
return ret;
}
cs43130->reset_gpio = devm_gpiod_get_optional(&client->dev,
"reset", GPIOD_OUT_LOW);
if (IS_ERR(cs43130->reset_gpio))
return PTR_ERR(cs43130->reset_gpio);
gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
usleep_range(2000, 2050);
ret = regmap_read(cs43130->regmap, CS43130_DEVID_AB, &reg);
devid = (reg & 0xFF) << 12;
ret = regmap_read(cs43130->regmap, CS43130_DEVID_CD, &reg);
devid |= (reg & 0xFF) << 4;
ret = regmap_read(cs43130->regmap, CS43130_DEVID_E, &reg);
devid |= (reg & 0xF0) >> 4;
switch (devid) {
case CS43130_CHIP_ID:
case CS4399_CHIP_ID:
case CS43131_CHIP_ID:
case CS43198_CHIP_ID:
break;
default:
dev_err(&client->dev,
"CS43130 Device ID %X. Expected ID %X, %X, %X or %X\n",
devid, CS43130_CHIP_ID, CS4399_CHIP_ID,
CS43131_CHIP_ID, CS43198_CHIP_ID);
ret = -ENODEV;
goto err;
}
cs43130->dev_id = devid;
ret = regmap_read(cs43130->regmap, CS43130_REV_ID, &reg);
if (ret < 0) {
dev_err(&client->dev, "Get Revision ID failed\n");
goto err;
}
dev_info(&client->dev,
"Cirrus Logic CS43130 (%x), Revision: %02X\n", devid,
reg & 0xFF);
mutex_init(&cs43130->clk_mutex);
init_completion(&cs43130->xtal_rdy);
init_completion(&cs43130->pll_rdy);
init_completion(&cs43130->hpload_evt);
ret = devm_request_threaded_irq(&client->dev, client->irq,
NULL, cs43130_irq_thread,
IRQF_ONESHOT | IRQF_TRIGGER_LOW,
"cs43130", cs43130);
if (ret != 0) {
dev_err(&client->dev, "Failed to request IRQ: %d\n", ret);
return ret;
}
cs43130->mclk_int_src = CS43130_MCLK_SRC_RCO;
pm_runtime_set_autosuspend_delay(&client->dev, 100);
pm_runtime_use_autosuspend(&client->dev);
pm_runtime_set_active(&client->dev);
pm_runtime_enable(&client->dev);
switch (cs43130->dev_id) {
case CS43130_CHIP_ID:
case CS43131_CHIP_ID:
memcpy(all_hp_widgets, digital_hp_widgets,
sizeof(digital_hp_widgets));
memcpy(all_hp_widgets + ARRAY_SIZE(digital_hp_widgets),
analog_hp_widgets, sizeof(analog_hp_widgets));
memcpy(all_hp_routes, digital_hp_routes,
sizeof(digital_hp_routes));
memcpy(all_hp_routes + ARRAY_SIZE(digital_hp_routes),
analog_hp_routes, sizeof(analog_hp_routes));
soc_component_dev_cs43130.dapm_widgets =
all_hp_widgets;
soc_component_dev_cs43130.num_dapm_widgets =
ARRAY_SIZE(all_hp_widgets);
soc_component_dev_cs43130.dapm_routes =
all_hp_routes;
soc_component_dev_cs43130.num_dapm_routes =
ARRAY_SIZE(all_hp_routes);
break;
case CS43198_CHIP_ID:
case CS4399_CHIP_ID:
soc_component_dev_cs43130.dapm_widgets =
digital_hp_widgets;
soc_component_dev_cs43130.num_dapm_widgets =
ARRAY_SIZE(digital_hp_widgets);
soc_component_dev_cs43130.dapm_routes =
digital_hp_routes;
soc_component_dev_cs43130.num_dapm_routes =
ARRAY_SIZE(digital_hp_routes);
break;
}
ret = devm_snd_soc_register_component(&client->dev,
&soc_component_dev_cs43130,
cs43130_dai, ARRAY_SIZE(cs43130_dai));
if (ret < 0) {
dev_err(&client->dev,
"snd_soc_register_component failed with ret = %d\n", ret);
goto err;
}
regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
CS43130_ASP_3ST_MASK, 0);
regmap_update_bits(cs43130->regmap, CS43130_PAD_INT_CFG,
CS43130_XSP_3ST_MASK, 0);
return 0;
err:
return ret;
}
static int cs43130_i2c_remove(struct i2c_client *client)
{
struct cs43130_private *cs43130 = i2c_get_clientdata(client);
if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_ERR_INT,
1 << CS43130_XTAL_ERR_INT_SHIFT);
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT,
CS43130_HP_PLUG_INT | CS43130_HP_UNPLUG_INT);
if (cs43130->dc_meas) {
cancel_work_sync(&cs43130->work);
flush_workqueue(cs43130->wq);
device_remove_file(&client->dev, &dev_attr_hpload_dc_l);
device_remove_file(&client->dev, &dev_attr_hpload_dc_r);
device_remove_file(&client->dev, &dev_attr_hpload_ac_l);
device_remove_file(&client->dev, &dev_attr_hpload_ac_r);
}
gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
pm_runtime_disable(&client->dev);
regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
return 0;
}
static int __maybe_unused cs43130_runtime_suspend(struct device *dev)
{
struct cs43130_private *cs43130 = dev_get_drvdata(dev);
if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_ERR_INT,
1 << CS43130_XTAL_ERR_INT_SHIFT);
regcache_cache_only(cs43130->regmap, true);
regcache_mark_dirty(cs43130->regmap);
gpiod_set_value_cansleep(cs43130->reset_gpio, 0);
regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
return 0;
}
static int __maybe_unused cs43130_runtime_resume(struct device *dev)
{
struct cs43130_private *cs43130 = dev_get_drvdata(dev);
int ret;
ret = regulator_bulk_enable(CS43130_NUM_SUPPLIES, cs43130->supplies);
if (ret != 0) {
dev_err(dev, "Failed to enable supplies: %d\n", ret);
return ret;
}
regcache_cache_only(cs43130->regmap, false);
gpiod_set_value_cansleep(cs43130->reset_gpio, 1);
usleep_range(2000, 2050);
ret = regcache_sync(cs43130->regmap);
if (ret != 0) {
dev_err(dev, "Failed to restore register cache\n");
goto err;
}
if (cs43130->xtal_ibias != CS43130_XTAL_UNUSED)
regmap_update_bits(cs43130->regmap, CS43130_INT_MASK_1,
CS43130_XTAL_ERR_INT, 0);
return 0;
err:
regcache_cache_only(cs43130->regmap, true);
regulator_bulk_disable(CS43130_NUM_SUPPLIES, cs43130->supplies);
return ret;
}
static const struct dev_pm_ops cs43130_runtime_pm = {
SET_RUNTIME_PM_OPS(cs43130_runtime_suspend, cs43130_runtime_resume,
NULL)
};
static const struct of_device_id cs43130_of_match[] = {
{.compatible = "cirrus,cs43130",},
{.compatible = "cirrus,cs4399",},
{.compatible = "cirrus,cs43131",},
{.compatible = "cirrus,cs43198",},
{},
};
MODULE_DEVICE_TABLE(of, cs43130_of_match);
static const struct i2c_device_id cs43130_i2c_id[] = {
{"cs43130", 0},
{"cs4399", 0},
{"cs43131", 0},
{"cs43198", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, cs43130_i2c_id);
static struct i2c_driver cs43130_i2c_driver = {
.driver = {
.name = "cs43130",
.of_match_table = cs43130_of_match,
.pm = &cs43130_runtime_pm,
},
.id_table = cs43130_i2c_id,
.probe = cs43130_i2c_probe,
.remove = cs43130_i2c_remove,
};
module_i2c_driver(cs43130_i2c_driver);
MODULE_AUTHOR("Li Xu <li.xu@cirrus.com>");
MODULE_DESCRIPTION("Cirrus Logic CS43130 ALSA SoC Codec Driver");
MODULE_LICENSE("GPL");
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