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lineage_kernel_xcoverpro/sound/soc/codecs/cs35l41.c

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/*
* cs35l41.c -- CS35l41 ALSA SoC audio driver
*
* Copyright 2017 Cirrus Logic, Inc.
*
* Author: David Rhodes <david.rhodes@cirrus.com>
* Brian Austin <brian.austin@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/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/gpio/consumer.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/regmap.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <linux/gpio.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/cs35l41.h>
#include <linux/of_irq.h>
#include <linux/completion.h>
#include <linux/spi/spi.h>
#include <linux/mfd/cs35l41/core.h>
#include <linux/mfd/cs35l41/registers.h>
#include <linux/mfd/cs35l41/calibration.h>
#include <linux/mfd/cs35l41/power.h>
#include "wm_adsp.h"
#ifdef CS35L41_DEBUG_LOG
#define cs35l41_dbg(dev, fmt, ...) dev_info(dev, fmt, ##__VA_ARGS__)
#else
#define cs35l41_dbg(dev, fmt, ...) dev_dbg(dev, fmt, ##__VA_ARGS__)
#endif
struct cs35l41_private {
struct wm_adsp dsp; /* needs to be first member */
struct snd_soc_codec *codec;
struct cs35l41_platform_data pdata;
struct device *dev;
struct regmap *regmap;
struct regulator_bulk_data supplies[2];
int num_supplies;
int irq;
int clksrc;
int extclk_freq;
int extclk_cfg;
int sclk;
int amp_mute;
int pcm_vol;
int dsprx2_src;
int lrclk_fmt;
int sclk_fmt;
int pcm_source_last;
int pll_freq_last;
unsigned int spk_3_trim;
unsigned int spk_4_trim;
bool dspa_mode;
bool i2s_mode;
bool swire_mode;
bool halo_booted;
bool halo_routed;
bool halo_played;
/* GPIO for /RST */
struct gpio_desc *reset_gpio;
struct completion global_pup_done;
struct completion global_pdn_done;
struct completion mbox_cmd;
struct mutex rate_lock;
};
struct cs35l41_pll_sysclk_config {
int freq;
int clk_cfg;
};
static const struct cs35l41_pll_sysclk_config cs35l41_pll_sysclk[] = {
{ 32768, 0x00 },
{ 8000, 0x01 },
{ 11025, 0x02 },
{ 12000, 0x03 },
{ 16000, 0x04 },
{ 22050, 0x05 },
{ 24000, 0x06 },
{ 32000, 0x07 },
{ 44100, 0x08 },
{ 48000, 0x09 },
{ 88200, 0x0A },
{ 96000, 0x0B },
{ 128000, 0x0C },
{ 176400, 0x0D },
{ 192000, 0x0E },
{ 256000, 0x0F },
{ 352800, 0x10 },
{ 384000, 0x11 },
{ 512000, 0x12 },
{ 705600, 0x13 },
{ 750000, 0x14 },
{ 768000, 0x15 },
{ 1000000, 0x16 },
{ 1024000, 0x17 },
{ 1200000, 0x18 },
{ 1411200, 0x19 },
{ 1500000, 0x1A },
{ 1536000, 0x1B },
{ 2000000, 0x1C },
{ 2048000, 0x1D },
{ 2400000, 0x1E },
{ 2822400, 0x1F },
{ 3000000, 0x20 },
{ 3072000, 0x21 },
{ 3200000, 0x22 },
{ 4000000, 0x23 },
{ 4096000, 0x24 },
{ 4800000, 0x25 },
{ 5644800, 0x26 },
{ 6000000, 0x27 },
{ 6144000, 0x28 },
{ 6250000, 0x29 },
{ 6400000, 0x2A },
{ 6500000, 0x2B },
{ 6750000, 0x2C },
{ 7526400, 0x2D },
{ 8000000, 0x2E },
{ 8192000, 0x2F },
{ 9600000, 0x30 },
{ 11289600, 0x31 },
{ 12000000, 0x32 },
{ 12288000, 0x33 },
{ 12500000, 0x34 },
{ 12800000, 0x35 },
{ 13000000, 0x36 },
{ 13500000, 0x37 },
{ 19200000, 0x38 },
{ 22579200, 0x39 },
{ 24000000, 0x3A },
{ 24576000, 0x3B },
{ 25000000, 0x3C },
{ 25600000, 0x3D },
{ 26000000, 0x3E },
{ 27000000, 0x3F },
};
static void cs35l41_log_status(struct cs35l41_private *cs35l41, int mute)
{
unsigned int status;
if (!mute) {
regmap_read(cs35l41->regmap,
CS35L41_PWR_CTRL1, &status);
dev_info(cs35l41->dev, "PWR_CTRL1 = 0x%x\n", status);
regmap_read(cs35l41->regmap,
CS35L41_PWR_CTRL2, &status);
dev_info(cs35l41->dev, "PWR_CTRL2 = 0x%x\n", status);
regmap_read(cs35l41->regmap,
CS35L41_AMP_DIG_VOL_CTRL, &status);
dev_info(cs35l41->dev, "DIG_VOL_CTRL = 0x%x\n", status);
regmap_read(cs35l41->regmap,
CS35L41_AMP_GAIN_CTRL, &status);
dev_info(cs35l41->dev, "GAIN_CTRL = 0x%x\n", status);
} else {
regmap_read(cs35l41->regmap,
CS35L41_IRQ1_STATUS1, &status);
dev_info(cs35l41->dev, "IRQ1_STATUS1 = 0x%x\n", status);
regmap_read(cs35l41->regmap,
CS35L41_CSPL_MBOX_STS, &status);
dev_info(cs35l41->dev, "MBOX status = 0x%x\n", status);
regmap_read(cs35l41->regmap,
CS35L41_HALO_STATE, &status);
dev_info(cs35l41->dev, "HALO status = 0x%x\n", status);
}
}
static int cs35l41_dsp_power_ev(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (cs35l41->halo_booted == false)
wm_halo_early_event(w, kcontrol, event);
else
cs35l41->dsp.booted = true;
return 0;
case SND_SOC_DAPM_POST_PMU:
if (cs35l41->halo_booted == false) {
wm_halo_event(w, kcontrol, event);
dev_info(cs35l41->dev, "%s: loaded\n", __func__);
cs35l41->halo_booted = true;
cs35l41->halo_played = false;
}
cirrus_cal_apply(cs35l41->pdata.mfd_suffix);
return 0;
case SND_SOC_DAPM_PRE_PMD:
if (cs35l41->halo_booted == false) {
wm_halo_early_event(w, kcontrol, event);
wm_halo_event(w, kcontrol, event);
}
default:
return 0;
}
}
static int cs35l41_halo_booted_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = cs35l41->halo_booted;
return 0;
}
static int cs35l41_halo_booted_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
cs35l41->halo_booted = ucontrol->value.integer.value[0];
return 0;
}
static int cs35l41_pcm_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = cs35l41->pcm_vol;
return 0;
}
static int cs35l41_pcm_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
dev_info(cs35l41->dev, "%s: 0x%lx\n", __func__,
ucontrol->value.integer.value[0]);
cs35l41->pcm_vol = ucontrol->value.integer.value[0];
if (cs35l41->amp_mute == 1) { //Amp is unmuted
snd_soc_put_volsw_sx(kcontrol, ucontrol);
}
return 0;
}
static int cs35l41_amp_mute_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = cs35l41->amp_mute;
return 0;
}
static int cs35l41_amp_mute_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
unsigned int val;
cs35l41->amp_mute = ucontrol->value.integer.value[0];
if (cs35l41->amp_mute == 0) //Mute
val = 0;
else //Unmute
val = cs35l41->pcm_vol;
//convert control val to register val
if (val < CS35L41_AMP_VOL_CTRL_DEFAULT)
val += CS35L41_AMP_VOL_PCM_MUTE;
else
val -= CS35L41_AMP_VOL_CTRL_DEFAULT;
regmap_update_bits(cs35l41->regmap, CS35L41_AMP_DIG_VOL_CTRL,
CS35L41_AMP_VOL_PCM_MASK << CS35L41_AMP_VOL_PCM_SHIFT,
val << CS35L41_AMP_VOL_PCM_SHIFT);
dev_info(cs35l41->dev, "%s: %s\n", __func__,
(cs35l41->amp_mute == 0) ? "Muted" : "Unmuted");
return 0;
}
static int cs35l41_convert_ramp_rate(struct cs35l41_private *cs35l41,
unsigned int ramp_rate)
{
const unsigned int ramp_conv_table[] = {0, 1, 2, 4, 8, 16, 30, 60};
/* Convert the ramp_rate register setting into a time delay in ms.
* This assumes the starting volume is 0 dB
*/
if (ramp_rate >= ARRAY_SIZE(ramp_conv_table)) {
dev_err(cs35l41->dev,
"Invalid rate (%d) to convert\n", ramp_rate);
return -EINVAL;
}
return ramp_conv_table[ramp_rate] * CS35L41_AMP_VOL_MIN / 12;
}
static const char * const cs35l41_amp_mute_text[] = {"Muted", "Unmuted"};
static const unsigned int cs35l41_amp_mute_values[] = {1, 0};
static SOC_VALUE_ENUM_SINGLE_DECL(amp_mute_ctl,
SND_SOC_NOPM,
0,
0,
cs35l41_amp_mute_text,
cs35l41_amp_mute_values);
static const DECLARE_TLV_DB_RANGE(dig_vol_tlv,
0, 0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
1, 913, TLV_DB_SCALE_ITEM(-10200, 25, 0));
static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
static const struct snd_kcontrol_new amp_enable_ctrl =
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0);
static const struct snd_kcontrol_new dre_ctrl =
SOC_DAPM_SINGLE("Switch", CS35L41_PWR_CTRL3, 20, 1, 0);
static const char * const cs35l41_pcm_sftramp_text[] = {
"Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"};
static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp,
CS35L41_AMP_DIG_VOL_CTRL, 0,
cs35l41_pcm_sftramp_text);
static const char * const cs35l41_bst_en_text[] = {"Disabled", "Enabled"};
static const unsigned int cs35l41_bst_en_values[] = {
CS35L41_BST_EN_DISABLE,
CS35L41_BST_EN_DEFAULT};
static SOC_VALUE_ENUM_SINGLE_DECL(bst_en_ctl,
CS35L41_PWR_CTRL2,
CS35L41_BST_EN_SHIFT,
CS35L41_BST_EN_MASK,
cs35l41_bst_en_text,
cs35l41_bst_en_values);
static const char * const cs35l41_pcm_inv_text[] = {"Disabled", "Enabled"};
static SOC_ENUM_SINGLE_DECL(pcm_inv, CS35L41_AMP_DIG_VOL_CTRL, 14,
cs35l41_pcm_inv_text);
static const char * const cs35l41_vpbr_rel_rate_text[] = {
"5ms", "10ms", "25ms", "50ms", "100ms", "250ms", "500ms", "1000ms"};
static SOC_ENUM_SINGLE_DECL(vpbr_rel_rate, CS35L41_VPBR_CFG, 21,
cs35l41_vpbr_rel_rate_text);
static const char * const cs35l41_vpbr_wait_text[] = {
"10ms", "100ms", "250ms", "500ms"};
static SOC_ENUM_SINGLE_DECL(vpbr_wait, CS35L41_VPBR_CFG, 19,
cs35l41_vpbr_wait_text);
static const char * const cs35l41_vpbr_atk_rate_text[] = {
"2.5us", "5us", "10us", "25us", "50us", "100us", "250us", "500us"};
static SOC_ENUM_SINGLE_DECL(vpbr_atk_rate, CS35L41_VPBR_CFG, 16,
cs35l41_vpbr_atk_rate_text);
static const char * const cs35l41_vpbr_atk_vol_text[] = {
"0.0625dB", "0.125dB", "0.25dB", "0.5dB",
"0.75dB", "1dB", "1.25dB", "1.5dB"};
static SOC_ENUM_SINGLE_DECL(vpbr_atk_vol, CS35L41_VPBR_CFG, 12,
cs35l41_vpbr_atk_vol_text);
static const char * const cs35l41_vpbr_thld1_text[] = {
"2.402", "2.449", "2.497", "2.544", "2.592", "2.639", "2.687", "2.734",
"2.782", "2.829", "2.877", "2.924", "2.972", "3.019", "3.067", "3.114",
"3.162", "3.209", "3.257", "3.304", "3.352", "3.399", "3.447", "3.494",
"3.542", "3.589", "3.637", "3.684", "3.732", "3.779", "3.827", "3.874"};
static SOC_ENUM_SINGLE_DECL(vpbr_thld1, CS35L41_VPBR_CFG, 0,
cs35l41_vpbr_thld1_text);
static const char * const cs35l41_vpbr_en_text[] = {"Disabled", "Enabled"};
static SOC_ENUM_SINGLE_DECL(vpbr_enable, CS35L41_PWR_CTRL3, 12,
cs35l41_vpbr_en_text);
static const char * const cs35l41_pcm_source_texts[] = {"ASP", "DSP"};
static const unsigned int cs35l41_pcm_source_values[] = {0x08, 0x32};
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_pcm_source_enum,
CS35L41_DAC_PCM1_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_pcm_source_texts,
cs35l41_pcm_source_values);
static const struct snd_kcontrol_new pcm_source_mux =
SOC_DAPM_ENUM("PCM Source", cs35l41_pcm_source_enum);
static const char * const cs35l41_tx_input_texts[] = {"Zero", "ASPRX1", "ASPRX2", "VMON",
"IMON", "VPMON", "DSPTX1", "DSPTX2"};
static const unsigned int cs35l41_tx_input_values[] = {0x00, CS35L41_INPUT_SRC_ASPRX1, CS35L41_INPUT_SRC_ASPRX2,
CS35L41_INPUT_SRC_VMON, CS35L41_INPUT_SRC_IMON,
CS35L41_INPUT_SRC_VPMON, CS35L41_INPUT_DSP_TX1,
CS35L41_INPUT_DSP_TX2};
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx1_enum,
CS35L41_ASP_TX1_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx1_mux =
SOC_DAPM_ENUM("ASPTX1 SRC", cs35l41_asptx1_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx2_enum,
CS35L41_ASP_TX2_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx2_mux =
SOC_DAPM_ENUM("ASPTX2 SRC", cs35l41_asptx2_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx3_enum,
CS35L41_ASP_TX3_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx3_mux =
SOC_DAPM_ENUM("ASPTX3 SRC", cs35l41_asptx3_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_asptx4_enum,
CS35L41_ASP_TX4_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new asp_tx4_mux =
SOC_DAPM_ENUM("ASPTX4 SRC", cs35l41_asptx4_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(cs35l41_dsprx2_enum,
CS35L41_DSP1_RX2_SRC,
0, CS35L41_ASP_SOURCE_MASK,
cs35l41_tx_input_texts,
cs35l41_tx_input_values);
static const struct snd_kcontrol_new dsp_rx2_mux =
SOC_DAPM_ENUM("DSPRX2 SRC", cs35l41_dsprx2_enum);
static const struct snd_kcontrol_new cs35l41_aud_controls[] = {
{.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Digital PCM Volume", \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE, \
.tlv.p = dig_vol_tlv,\
.info = snd_soc_info_volsw_sx, \
.get = cs35l41_pcm_vol_get,\
.put = cs35l41_pcm_vol_put, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = CS35L41_AMP_DIG_VOL_CTRL, .rreg = CS35L41_AMP_DIG_VOL_CTRL, \
.shift = 3, .rshift = 3, \
.max = 0x391, .min = CS35L41_AMP_VOL_PCM_MUTE} },
SOC_ENUM("Invert PCM", pcm_inv),
SOC_SINGLE_TLV("AMP PCM Gain", CS35L41_AMP_GAIN_CTRL, 5, 0x14, 0,
amp_gain_tlv),
SOC_SINGLE_RANGE("ASPTX1 Slot Position", CS35L41_SP_FRAME_TX_SLOT, 0,
0, 7, 0),
SOC_SINGLE_RANGE("ASPTX2 Slot Position", CS35L41_SP_FRAME_TX_SLOT, 8,
0, 7, 0),
SOC_SINGLE_RANGE("ASPTX3 Slot Position", CS35L41_SP_FRAME_TX_SLOT, 16,
0, 7, 0),
SOC_SINGLE_RANGE("ASPTX4 Slot Position", CS35L41_SP_FRAME_TX_SLOT, 24,
0, 7, 0),
SOC_SINGLE_RANGE("ASPRX1 Slot Position", CS35L41_SP_FRAME_RX_SLOT, 0,
0, 7, 0),
SOC_SINGLE_RANGE("ASPRX2 Slot Position", CS35L41_SP_FRAME_RX_SLOT, 8,
0, 7, 0),
SOC_ENUM("VPBR Release Rate", vpbr_rel_rate),
SOC_ENUM("VPBR Wait", vpbr_wait),
SOC_ENUM("VPBR Attack Rate", vpbr_atk_rate),
SOC_ENUM("VPBR Attack Volume", vpbr_atk_vol),
SOC_SINGLE_RANGE("VPBR Max Attenuation", CS35L41_VPBR_CFG, 8, 0, 15, 0),
SOC_ENUM("VPBR Threshold 1", vpbr_thld1),
SOC_ENUM("VPBR Enable", vpbr_enable),
SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
SOC_ENUM_EXT("AMP Mute", amp_mute_ctl, cs35l41_amp_mute_get,
cs35l41_amp_mute_put),
SOC_ENUM("Boost Enable", bst_en_ctl),
SOC_SINGLE_EXT("DSP Booted", SND_SOC_NOPM, 0, 1, 0,
cs35l41_halo_booted_get, cs35l41_halo_booted_put),
WM_ADSP2_PRELOAD_SWITCH("DSP1", 1),
};
static const struct otp_map_element_t *find_otp_map(u32 otp_id)
{
int i;
for (i = 0; i < ARRAY_SIZE(otp_map_map); i++) {
if (otp_map_map[i].id == otp_id)
return &otp_map_map[i];
}
return NULL;
}
static int cs35l41_otp_unpack(void *data)
{
struct cs35l41_private *cs35l41 = data;
u32 otp_mem[32];
int i;
/* unpack area starts at byte 10 (0-indexed) */
int bit_offset = 16, array_offset = 2;
unsigned int bit_sum = 8;
u32 otp_val, otp_id_reg;
const struct otp_map_element_t *otp_map_match;
const struct otp_packed_element_t *otp_map;
/*
* We need to make sure we are using the bus
* for these reads and writes so bypass
* cache completely to ensure we hit the
* registers correctly
*/
regcache_cache_bypass(cs35l41->regmap, true);
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00005555);
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x0000AAAA);
regmap_read(cs35l41->regmap, CS35L41_OTPID, &otp_id_reg);
/* Read from OTP_MEM_IF */
for (i = 0; i < 32; i++) {
regmap_read(cs35l41->regmap, CS35L41_OTP_MEM0 + i * 4, &(otp_mem[i]));
usleep_range(1, 10);
}
if (((otp_mem[1] & CS35L41_OTP_HDR_MASK_1) != CS35L41_OTP_HDR_VAL_1)
|| (otp_mem[2] & CS35L41_OTP_HDR_MASK_2) != CS35L41_OTP_HDR_VAL_2) {
dev_err(cs35l41->dev, "Bad OTP header vals\n");
return -EINVAL;
}
otp_map_match = find_otp_map(otp_id_reg);
if (otp_map_match == NULL) {
dev_err(cs35l41->dev, "OTP Map matching ID %d not found\n",
otp_id_reg);
return -EINVAL;
}
otp_map = otp_map_match->map;
for (i = 0; i < otp_map_match->num_elements; i++) {
cs35l41_dbg(cs35l41->dev, "bitoffset= %d, array_offset=%d, bit_sum mod 32=%d\n",
bit_offset, array_offset, bit_sum % 32);
cs35l41_dbg(cs35l41->dev, "i: %d reg: %d, shift: %d size: %d\n",
i, otp_map[i].reg, otp_map[i].shift, otp_map[i].size);
if (bit_offset + otp_map[i].size - 1 >= 32) {
otp_val = (otp_mem[array_offset] &
GENMASK(31, bit_offset)) >>
bit_offset;
otp_val |= (otp_mem[++array_offset] &
GENMASK(bit_offset +
otp_map[i].size - 33, 0)) <<
(32 - bit_offset);
bit_offset += otp_map[i].size - 32;
} else {
otp_val = (otp_mem[array_offset] &
GENMASK(bit_offset + otp_map[i].size - 1,
bit_offset)) >> bit_offset;
bit_offset += otp_map[i].size;
}
bit_sum += otp_map[i].size;
if (bit_offset == 32) {
bit_offset = 0;
array_offset++;
}
if (otp_map[i].reg != 0)
regmap_update_bits(cs35l41->regmap, otp_map[i].reg,
GENMASK(otp_map[i].shift +
otp_map[i].size - 1,
otp_map[i].shift),
otp_val << otp_map[i].shift);
}
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x0000CCCC);
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00003333);
regcache_cache_bypass(cs35l41->regmap, false);
return 0;
}
static irqreturn_t cs35l41_irq(int irq, void *data)
{
struct cs35l41_private *cs35l41 = data;
unsigned int status[4];
unsigned int masks[4];
int i;
for (i = 0; i < ARRAY_SIZE(status); i++) {
regmap_read(cs35l41->regmap,
CS35L41_IRQ1_STATUS1 + (i * CS35L41_REGSTRIDE),
&status[i]);
regmap_read(cs35l41->regmap,
CS35L41_IRQ1_MASK1 + (i * CS35L41_REGSTRIDE),
&masks[i]);
}
/* Check to see if unmasked bits are active */
if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
!(status[2] & ~masks[2]) && !(status[3] & ~masks[3]))
return IRQ_NONE;
if (status[0] & CS35L41_PUP_DONE_MASK) {
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_PUP_DONE_MASK);
complete(&cs35l41->global_pup_done);
}
if (status[0] & CS35L41_PDN_DONE_MASK) {
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_PDN_DONE_MASK);
complete(&cs35l41->global_pdn_done);
}
/*
* The following interrupts require a
* protection release cycle to get the
* speaker out of Safe-Mode.
*/
if (status[0] & CS35L41_AMP_SHORT_ERR) {
dev_crit(cs35l41->dev, "Amp short error\n");
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_AMP_SHORT_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_AMP_SHORT_ERR_RLS,
CS35L41_AMP_SHORT_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_AMP_SHORT_ERR_RLS, 0);
}
if (status[0] & CS35L41_TEMP_WARN) {
dev_crit(cs35l41->dev, "Over temperature warning\n");
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_TEMP_WARN);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_WARN_ERR_RLS,
CS35L41_TEMP_WARN_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_WARN_ERR_RLS, 0);
}
if (status[0] & CS35L41_TEMP_ERR) {
dev_crit(cs35l41->dev, "Over temperature error\n");
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_TEMP_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_ERR_RLS,
CS35L41_TEMP_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_TEMP_ERR_RLS, 0);
}
if (status[0] & CS35L41_BST_OVP_ERR) {
dev_crit(cs35l41->dev, "VBST Over Voltage error\n");
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK <<
CS35L41_BST_EN_SHIFT, 0);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_BST_OVP_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_OVP_ERR_RLS,
CS35L41_BST_OVP_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_OVP_ERR_RLS, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK <<
CS35L41_BST_EN_SHIFT,
CS35L41_BST_EN_DEFAULT <<
CS35L41_BST_EN_SHIFT);
}
if (status[0] & CS35L41_BST_DCM_UVP_ERR) {
dev_crit(cs35l41->dev, "DCM VBST Under Voltage Error\n");
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK <<
CS35L41_BST_EN_SHIFT, 0);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_BST_DCM_UVP_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_UVP_ERR_RLS,
CS35L41_BST_UVP_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_UVP_ERR_RLS, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK <<
CS35L41_BST_EN_SHIFT,
CS35L41_BST_EN_DEFAULT <<
CS35L41_BST_EN_SHIFT);
}
if (status[0] & CS35L41_BST_SHORT_ERR) {
dev_crit(cs35l41->dev, "LBST error: powering off!\n");
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK <<
CS35L41_BST_EN_SHIFT, 0);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS1,
CS35L41_BST_SHORT_ERR);
regmap_write(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_SHORT_ERR_RLS,
CS35L41_BST_SHORT_ERR_RLS);
regmap_update_bits(cs35l41->regmap, CS35L41_PROTECT_REL_ERR_IGN,
CS35L41_BST_SHORT_ERR_RLS, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL2,
CS35L41_BST_EN_MASK <<
CS35L41_BST_EN_SHIFT,
CS35L41_BST_EN_DEFAULT <<
CS35L41_BST_EN_SHIFT);
}
if (status[3] & CS35L41_OTP_BOOT_DONE) {
regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK4,
CS35L41_OTP_BOOT_DONE, CS35L41_OTP_BOOT_DONE);
}
return IRQ_HANDLED;
}
static const struct reg_sequence cs35l41_pup_patch[] = {
{0x00000040, 0x00000055},
{0x00000040, 0x000000AA},
{0x00002084, 0x002F1AA0},
{0x00000040, 0x000000CC},
{0x00000040, 0x00000033},
};
static const struct reg_sequence cs35l41_pdn_patch[] = {
{0x00000040, 0x00000055},
{0x00000040, 0x000000AA},
{0x00002084, 0x002F1AA3},
{0x00000040, 0x000000CC},
{0x00000040, 0x00000033},
};
static bool cs35l41_is_csplmboxsts_correct(enum cs35l41_cspl_mboxcmd cmd,
enum cs35l41_cspl_mboxstate sts)
{
switch (cmd) {
case CSPL_MBOX_CMD_NONE:
case CSPL_MBOX_CMD_UNKNOWN_CMD:
return true;
case CSPL_MBOX_CMD_PAUSE:
return (sts == CSPL_MBOX_STS_PAUSED);
case CSPL_MBOX_CMD_RESUME:
return (sts == CSPL_MBOX_STS_RUNNING);
default:
return false;
}
}
static int cs35l41_set_csplmboxcmd(struct cs35l41_private *cs35l41,
enum cs35l41_cspl_mboxcmd cmd)
{
int ret = 0;
unsigned int sts, i;
bool ack = false;
/* Reset DSP sticky bit */
regmap_write(cs35l41->regmap, CS35L41_IRQ2_STATUS2,
1 << CS35L41_CSPL_MBOX_CMD_DRV_SHIFT);
/* Reset AP sticky bit */
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS2,
1 << CS35L41_CSPL_MBOX_CMD_FW_SHIFT);
/*
* Set mailbox cmd
*/
/* Unmask DSP INT */
regmap_update_bits(cs35l41->regmap, CS35L41_IRQ2_MASK2,
1 << CS35L41_CSPL_MBOX_CMD_DRV_SHIFT, 0);
regmap_write(cs35l41->regmap, CS35L41_CSPL_MBOX_CMD_DRV, cmd);
/* Poll for DSP ACK */
for (i = 0; i < 5; i++) {
usleep_range(1000, 1010);
ret = regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS2, &sts);
if (ret < 0) {
dev_err(cs35l41->dev, "regmap_read failed (%d)\n", ret);
continue;
}
if (sts & (1 << CS35L41_CSPL_MBOX_CMD_FW_SHIFT)) {
cs35l41_dbg(cs35l41->dev,
"%u: Received ACK in EINT for mbox cmd (%d)\n",
i, cmd);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS2,
1 << CS35L41_CSPL_MBOX_CMD_FW_SHIFT);
ack = true;
break;
}
}
if (!ack) {
dev_err(cs35l41->dev,
"Timout waiting for DSP to set mbox cmd\n");
ret = -ETIMEDOUT;
}
/* Mask DSP INT */
regmap_update_bits(cs35l41->regmap, CS35L41_IRQ2_MASK2,
1 << CS35L41_CSPL_MBOX_CMD_DRV_SHIFT,
1 << CS35L41_CSPL_MBOX_CMD_DRV_SHIFT);
if (regmap_read(cs35l41->regmap,
CS35L41_CSPL_MBOX_STS, &sts) < 0) {
dev_err(cs35l41->dev, "Failed to read %u\n",
CS35L41_CSPL_MBOX_STS);
ret = -EACCES;
}
if (!cs35l41_is_csplmboxsts_correct(cmd,
(enum cs35l41_cspl_mboxstate)sts)) {
dev_err(cs35l41->dev,
"Failed to set mailbox(cmd: %u, sts: %u)\n", cmd, sts);
ret = -ENOMSG;
}
return ret;
}
static int cs35l41_cap_trim(struct cs35l41_private *cs35l41, bool rcv_mode)
{
cs35l41_dbg(cs35l41->dev, "%s rcv_mode=%d\n", __func__, rcv_mode);
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00005555);
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x0000AAAA);
if (rcv_mode) {
regmap_update_bits(cs35l41->regmap, CS35L41_OTP_TRIM_30,
CS35L41_INT1_CAP_TRIM_MASK, 0);
regmap_update_bits(cs35l41->regmap, CS35L41_OTP_TRIM_31,
CS35L41_INT2_CAP_TRIM_MASK, 0);
} else {
regmap_write(cs35l41->regmap, CS35L41_OTP_TRIM_30,
cs35l41->spk_3_trim);
regmap_write(cs35l41->regmap, CS35L41_OTP_TRIM_31,
cs35l41->spk_4_trim);
}
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x0000CCCC);
regmap_write(cs35l41->regmap, CS35L41_TEST_KEY_CTL, 0x00003333);
return 0;
}
static int cs35l41_pcm_source_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
unsigned int source, global_en;
regmap_read(cs35l41->regmap, CS35L41_DAC_PCM1_SRC, &source);
if (source == CS35L41_INPUT_SRC_ASPRX1)
cs35l41->halo_routed = false;
else if (source == CS35L41_INPUT_DSP_TX1)
cs35l41->halo_routed = true;
if (source != cs35l41->pcm_source_last) {
cs35l41_dbg(cs35l41->dev, "PCM Source changed\n");
cs35l41_cap_trim(cs35l41, source == CS35L41_INPUT_SRC_ASPRX1);
regmap_read(cs35l41->regmap, CS35L41_PWR_CTRL1, &global_en);
if (cs35l41->halo_booted && global_en & CS35L41_GLOBAL_EN_MASK) {
if (cs35l41->halo_routed) {
cs35l41_set_csplmboxcmd(cs35l41,
CSPL_MBOX_CMD_RESUME);
} else if (!cs35l41->halo_routed) {
cs35l41_set_csplmboxcmd(cs35l41,
CSPL_MBOX_CMD_PAUSE);
regcache_drop_region(cs35l41->regmap,
CS35L41_DAC_PCM1_SRC,
CS35L41_DAC_PCM1_SRC);
regmap_write(cs35l41->regmap,
CS35L41_DAC_PCM1_SRC, source);
}
}
}
cs35l41->pcm_source_last = source;
cs35l41_dbg(cs35l41->dev, "PCM Source: %s\n",
(source == CS35L41_INPUT_SRC_ASPRX1) ?
"ASPRX1" : "DSPTX1");
return 0;
}
static int cs35l41_dsp_rx2_src_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
unsigned int source;
regmap_read(cs35l41->regmap, CS35L41_DSP1_RX2_SRC, &source);
if (source != 0)
cs35l41->dsprx2_src = source;
return 0;
}
static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_multi_reg_write_bypassed(cs35l41->regmap,
cs35l41_pup_patch,
ARRAY_SIZE(cs35l41_pup_patch));
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1,
CS35L41_GLOBAL_EN_MASK,
1 << CS35L41_GLOBAL_EN_SHIFT);
if (cs35l41->halo_booted && cs35l41->halo_routed) {
cs35l41_set_csplmboxcmd(cs35l41,
CSPL_MBOX_CMD_RESUME);
} else {
if (cs35l41->halo_played == false) {
cs35l41_set_csplmboxcmd(cs35l41,
CSPL_MBOX_CMD_PAUSE);
regcache_drop_region(cs35l41->regmap,
CS35L41_DAC_PCM1_SRC,
CS35L41_DAC_PCM1_SRC);
regmap_write(cs35l41->regmap,
CS35L41_DAC_PCM1_SRC,
CS35L41_INPUT_SRC_ASPRX1);
}
usleep_range(1000, 1100);
}
cirrus_pwr_start(cs35l41->pdata.mfd_suffix);
cs35l41->halo_played = true;
dev_info(cs35l41->dev, "%s PMU\n", __func__);
break;
case SND_SOC_DAPM_POST_PMD:
if (cs35l41->halo_booted && cs35l41->halo_routed)
cs35l41_set_csplmboxcmd(cs35l41,
CSPL_MBOX_CMD_PAUSE);
regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1,
CS35L41_GLOBAL_EN_MASK, 0);
usleep_range(1000, 1100);
regmap_multi_reg_write_bypassed(cs35l41->regmap,
cs35l41_pdn_patch,
ARRAY_SIZE(cs35l41_pdn_patch));
cirrus_pwr_stop(cs35l41->pdata.mfd_suffix);
dev_info(cs35l41->dev, "%s PMD\n", __func__);
break;
default:
dev_err(codec->dev, "Invalid event = 0x%x\n", event);
ret = -EINVAL;
}
return ret;
}
static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
SND_SOC_DAPM_SPK("DSP1 Preload", NULL),
{ .id = snd_soc_dapm_supply, .name = "DSP1 Preloader",
.reg = SND_SOC_NOPM, .shift = 0, .event = cs35l41_dsp_power_ev,
.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD,
.subseq = 100,},
{ .id = snd_soc_dapm_out_drv, .name = "DSP1",
.reg = SND_SOC_NOPM, .shift = 0},
SND_SOC_DAPM_OUTPUT("AMP SPK"),
SND_SOC_DAPM_AIF_IN("ASPRX1", NULL, 0, CS35L41_SP_ENABLES, 16, 0),
SND_SOC_DAPM_AIF_IN("ASPRX2", NULL, 0, CS35L41_SP_ENABLES, 17, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L41_SP_ENABLES, 0, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 0, CS35L41_SP_ENABLES, 1, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 0, CS35L41_SP_ENABLES, 2, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 0, CS35L41_SP_ENABLES, 3, 0),
SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L41_PWR_CTRL2, 12, 0),
SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L41_PWR_CTRL2, 13, 0),
SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L41_PWR_CTRL2, 8, 0),
SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L41_PWR_CTRL2, 9, 0),
SND_SOC_DAPM_ADC("TEMPMON ADC", NULL, CS35L41_PWR_CTRL2, 10, 0),
SND_SOC_DAPM_ADC("CLASS H", NULL, CS35L41_PWR_CTRL3, 4, 0),
SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L41_PWR_CTRL2, 0, 0, NULL, 0,
cs35l41_main_amp_event,
SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_INPUT("VP"),
SND_SOC_DAPM_INPUT("VBST"),
SND_SOC_DAPM_INPUT("ISENSE"),
SND_SOC_DAPM_INPUT("VSENSE"),
SND_SOC_DAPM_INPUT("TEMP"),
SND_SOC_DAPM_MUX("ASP TX1 Source", SND_SOC_NOPM, 0, 0, &asp_tx1_mux),
SND_SOC_DAPM_MUX("ASP TX2 Source", SND_SOC_NOPM, 0, 0, &asp_tx2_mux),
SND_SOC_DAPM_MUX("ASP TX3 Source", SND_SOC_NOPM, 0, 0, &asp_tx3_mux),
SND_SOC_DAPM_MUX("ASP TX4 Source", SND_SOC_NOPM, 0, 0, &asp_tx4_mux),
SND_SOC_DAPM_MUX_E("DSP RX2 Source", SND_SOC_NOPM, 0, 0, &dsp_rx2_mux,
cs35l41_dsp_rx2_src_event, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_MUX_E("PCM Source", SND_SOC_NOPM, 0, 0, &pcm_source_mux,
cs35l41_pcm_source_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_SWITCH("DRE", SND_SOC_NOPM, 0, 0, &dre_ctrl),
SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1, &amp_enable_ctrl),
};
static const struct snd_soc_dapm_route cs35l41_audio_map[] = {
{ "DSP1", NULL, "ASPRX1" },
{ "DSP1 Preload", NULL, "DSP1 Preloader" },
{"DSP RX2 Source", "VMON", "VMON ADC"},
{"DSP RX2 Source", "IMON", "IMON ADC"},
{"DSP RX2 Source", "VPMON", "VPMON ADC"},
{"DSP RX2 Source", "DSPTX1", "DSP1"},
{"DSP RX2 Source", "DSPTX2", "DSP1"},
{"DSP RX2 Source", "ASPRX1", "ASPRX1" },
{"DSP RX2 Source", "ASPRX2", "ASPRX2" },
{"DSP RX2 Source", "Zero", "ASPRX1" },
{"DSP1", NULL, "DSP RX2 Source"},
{"ASP TX1 Source", "VMON", "VMON ADC"},
{"ASP TX1 Source", "IMON", "IMON ADC"},
{"ASP TX1 Source", "VPMON", "VPMON ADC"},
{"ASP TX1 Source", "DSPTX1", "ASPRX1"},
{"ASP TX1 Source", "DSPTX2", "ASPRX1"},
{"ASP TX1 Source", "ASPRX1", "ASPRX1" },
{"ASP TX1 Source", "ASPRX2", "ASPRX2" },
{"ASP TX2 Source", "VMON", "VMON ADC"},
{"ASP TX2 Source", "IMON", "IMON ADC"},
{"ASP TX2 Source", "IMON", "VPMON ADC"},
{"ASP TX2 Source", "DSPTX1", "ASPRX1"},
{"ASP TX2 Source", "DSPTX2", "ASPRX1"},
{"ASP TX2 Source", "ASPRX1", "ASPRX1" },
{"ASP TX2 Source", "ASPRX2", "ASPRX2" },
{"ASP TX3 Source", "VMON", "VMON ADC"},
{"ASP TX3 Source", "IMON", "IMON ADC"},
{"ASP TX3 Source", "VPMON", "VPMON ADC"},
{"ASP TX3 Source", "DSPTX1", "ASPRX1"},
{"ASP TX3 Source", "DSPTX2", "ASPRX1"},
{"ASP TX3 Source", "ASPRX1", "ASPRX1" },
{"ASP TX3 Source", "ASPRX2", "ASPRX2" },
{"ASP TX4 Source", "VMON", "VMON ADC"},
{"ASP TX4 Source", "IMON", "IMON ADC"},
{"ASP TX4 Source", "VPMON", "VPMON ADC"},
{"ASP TX4 Source", "DSPTX1", "ASPRX1"},
{"ASP TX4 Source", "DSPTX2", "ASPRX1"},
{"ASP TX4 Source", "ASPRX1", "ASPRX1" },
{"ASP TX4 Source", "ASPRX2", "ASPRX2" },
{"ASPTX1", NULL, "ASP TX1 Source"},
{"ASPTX2", NULL, "ASP TX2 Source"},
{"ASPTX3", NULL, "ASP TX3 Source"},
{"ASPTX4", NULL, "ASP TX4 Source"},
{"AMP Capture", NULL, "ASPTX1"},
{"AMP Capture", NULL, "ASPTX2"},
{"AMP Capture", NULL, "ASPTX3"},
{"AMP Capture", NULL, "ASPTX4"},
{"VMON ADC", NULL, "ASPRX1"},
{"IMON ADC", NULL, "ASPRX1"},
{"VPMON ADC", NULL, "ASPRX1"},
{"TEMPMON ADC", NULL, "ASPRX1"},
{"VBSTMON ADC", NULL, "ASPRX1"},
{"DSP1", NULL, "IMON ADC"},
{"DSP1", NULL, "VMON ADC"},
{"DSP1", NULL, "VBSTMON ADC"},
{"DSP1", NULL, "VPMON ADC"},
{"DSP1", NULL, "TEMPMON ADC"},
{"AMP Enable", "Switch", "AMP Playback"},
{"ASPRX1", NULL, "AMP Enable"},
{"ASPRX2", NULL, "AMP Enable"},
{"DRE", "Switch", "CLASS H"},
{"Main AMP", NULL, "CLASS H"},
{"Main AMP", NULL, "DRE"},
{"AMP SPK", NULL, "Main AMP"},
{"PCM Source", "ASP", "ASPRX1"},
{"PCM Source", "DSP", "DSP1"},
{"CLASS H", NULL, "PCM Source"},
};
static const struct wm_adsp_region cs35l41_dsp1_regions[] = {
{ .type = WMFW_HALO_PM_PACKED, .base = CS35L41_DSP1_PMEM_0 },
{ .type = WMFW_HALO_XM_PACKED, .base = CS35L41_DSP1_XMEM_PACK_0 },
{ .type = WMFW_HALO_YM_PACKED, .base = CS35L41_DSP1_YMEM_PACK_0 },
{. type = WMFW_ADSP2_XM, .base = CS35L41_DSP1_XMEM_UNPACK24_0},
{. type = WMFW_ADSP2_YM, .base = CS35L41_DSP1_YMEM_UNPACK24_0},
};
static int cs35l41_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct cs35l41_private *cs35l41 =
snd_soc_codec_get_drvdata(codec_dai->codec);
unsigned int asp_fmt, lrclk_fmt, sclk_fmt, slave_mode;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
slave_mode = 1;
break;
case SND_SOC_DAIFMT_CBS_CFS:
slave_mode = 0;
break;
default:
dev_warn(cs35l41->dev, "cs35l41_set_dai_fmt: Mixed master mode unsupported\n");
return -EINVAL;
}
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_SCLK_MSTR_MASK,
slave_mode << CS35L41_SCLK_MSTR_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_LRCLK_MSTR_MASK,
slave_mode << CS35L41_LRCLK_MSTR_SHIFT);
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_A:
asp_fmt = 0;
cs35l41->i2s_mode = false;
cs35l41->dspa_mode = true;
break;
case SND_SOC_DAIFMT_I2S:
asp_fmt = 2;
cs35l41->i2s_mode = true;
cs35l41->dspa_mode = false;
break;
default:
dev_warn(cs35l41->dev, "cs35l41_set_dai_fmt: Invalid or unsupported DAI format\n");
return -EINVAL;
}
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_ASP_FMT_MASK,
asp_fmt << CS35L41_ASP_FMT_SHIFT);
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_IF:
lrclk_fmt = 1;
sclk_fmt = 0;
break;
case SND_SOC_DAIFMT_IB_NF:
lrclk_fmt = 0;
sclk_fmt = 1;
break;
case SND_SOC_DAIFMT_IB_IF:
lrclk_fmt = 1;
sclk_fmt = 1;
break;
case SND_SOC_DAIFMT_NB_NF:
lrclk_fmt = 0;
sclk_fmt = 0;
break;
default:
dev_warn(cs35l41->dev, "cs35l41_set_dai_fmt: Invalid DAI clock INV\n");
return -EINVAL;
}
cs35l41->lrclk_fmt = lrclk_fmt;
cs35l41->sclk_fmt = sclk_fmt;
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_LRCLK_INV_MASK,
lrclk_fmt << CS35L41_LRCLK_INV_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_SCLK_INV_MASK,
sclk_fmt << CS35L41_SCLK_INV_SHIFT);
return 0;
}
struct cs35l41_global_fs_config {
int rate;
int fs_cfg;
};
static const struct cs35l41_global_fs_config cs35l41_fs_rates[] = {
{ 12000, 0x01 },
{ 24000, 0x02 },
{ 48000, 0x03 },
{ 96000, 0x04 },
{ 192000, 0x05 },
{ 11025, 0x09 },
{ 22050, 0x0A },
{ 44100, 0x0B },
{ 88200, 0x0C },
{ 176400, 0x0D },
{ 8000, 0x11 },
{ 16000, 0x12 },
{ 32000, 0x13 },
};
static int cs35l41_pcm_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
unsigned int vol, vol_ramp, dsprx2_src;
int vol_ramp_ms;
dev_info(cs35l41->dev, "%s mute=%d\n", __func__, mute);
if (mute) {
regmap_update_bits(cs35l41->regmap,
CS35L41_AMP_DIG_VOL_CTRL,
CS35L41_AMP_VOL_PCM_MASK <<
CS35L41_AMP_VOL_PCM_SHIFT,
CS35L41_AMP_VOL_PCM_MUTE <<
CS35L41_AMP_VOL_PCM_SHIFT);
regmap_read(cs35l41->regmap,
CS35L41_AMP_DIG_VOL_CTRL, &vol_ramp);
vol_ramp &= CS35L41_AMP_VOL_RAMP_MASK;
vol_ramp_ms = cs35l41_convert_ramp_rate(cs35l41,
vol_ramp);
if (vol_ramp_ms < 0)
dev_err(cs35l41->dev,
"%s: Could not convert ramp rate\n",
__func__);
else if (vol_ramp_ms < 20)
usleep_range(vol_ramp_ms * 1000,
vol_ramp_ms * 1000 + 100);
else
msleep(vol_ramp_ms);
regmap_update_bits(cs35l41->regmap,
CS35L41_AMP_OUT_MUTE,
CS35L41_AMP_MUTE_MASK <<
CS35L41_AMP_MUTE_SHIFT,
CS35L41_AMP_MUTE_MASK <<
CS35L41_AMP_MUTE_SHIFT);
regmap_read(cs35l41->regmap, CS35L41_DSP1_RX2_SRC, &dsprx2_src);
if (dsprx2_src == CS35L41_INPUT_SRC_ASPRX1 ||
dsprx2_src == CS35L41_INPUT_SRC_ASPRX2)
cs35l41->dsprx2_src = dsprx2_src;
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX1_SRC, 0);
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX2_SRC, 0);
} else {
regmap_update_bits(cs35l41->regmap,
CS35L41_AMP_OUT_MUTE,
CS35L41_AMP_MUTE_MASK <<
CS35L41_AMP_MUTE_SHIFT, 0);
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX1_SRC,
CS35L41_INPUT_SRC_ASPRX1);
if (cs35l41->dsprx2_src == CS35L41_INPUT_SRC_ASPRX1 ||
cs35l41->dsprx2_src == CS35L41_INPUT_SRC_ASPRX2)
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX2_SRC,
cs35l41->dsprx2_src);
dev_info(cs35l41->dev, "%s: %s\n", __func__,
(cs35l41->amp_mute == 0) ? "Muted" : "Unmuted");
if (cs35l41->amp_mute) {
vol = cs35l41->pcm_vol;
/* convert control val to register val */
if (vol < CS35L41_AMP_VOL_CTRL_DEFAULT)
vol += CS35L41_AMP_VOL_PCM_MUTE;
else
vol -= CS35L41_AMP_VOL_CTRL_DEFAULT;
/* unmute */
regmap_update_bits(cs35l41->regmap,
CS35L41_AMP_DIG_VOL_CTRL,
CS35L41_AMP_VOL_PCM_MASK <<
CS35L41_AMP_VOL_PCM_SHIFT,
vol << CS35L41_AMP_VOL_PCM_SHIFT);
}
}
cs35l41_log_status(cs35l41, mute);
cs35l41_dbg(cs35l41->dev, "%s exit\n", __func__);
return 0;
}
static int cs35l41_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(dai->codec);
int i;
unsigned int rate;
u8 asp_width, asp_wl;
if (cs35l41->pdata.fixed_params) {
if (cs35l41->pdata.fixed_rate)
rate = cs35l41->pdata.fixed_rate;
else
rate = params_rate(params);
if (cs35l41->pdata.fixed_width)
asp_width = cs35l41->pdata.fixed_width;
else
asp_width = params_physical_width(params);
if (cs35l41->pdata.fixed_wl)
asp_wl = cs35l41->pdata.fixed_wl;
else
asp_wl = params_width(params);
} else {
rate = params_rate(params);
asp_width = params_physical_width(params);
asp_wl = params_width(params);
}
dev_info(cs35l41->dev, "%s\trate:%d, width:%d, wl:%d\n",
__func__, rate, asp_width, asp_wl);
for (i = 0; i < ARRAY_SIZE(cs35l41_fs_rates); i++) {
if (rate == cs35l41_fs_rates[i].rate)
break;
}
if (i < ARRAY_SIZE(cs35l41_fs_rates))
regmap_update_bits(cs35l41->regmap, CS35L41_GLOBAL_CLK_CTRL,
CS35L41_GLOBAL_FS_MASK,
cs35l41_fs_rates[i].fs_cfg << CS35L41_GLOBAL_FS_SHIFT);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_ASP_WIDTH_RX_MASK,
asp_width << CS35L41_ASP_WIDTH_RX_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_RX_WL,
CS35L41_ASP_RX_WL_MASK,
asp_wl << CS35L41_ASP_RX_WL_SHIFT);
if (cs35l41->i2s_mode) {
regmap_update_bits(cs35l41->regmap,
CS35L41_SP_FRAME_RX_SLOT,
CS35L41_ASP_RX1_SLOT_MASK,
((cs35l41->pdata.right_channel) ? 1 : 0)
<< CS35L41_ASP_RX1_SLOT_SHIFT);
regmap_update_bits(cs35l41->regmap,
CS35L41_SP_FRAME_RX_SLOT,
CS35L41_ASP_RX2_SLOT_MASK,
((cs35l41->pdata.right_channel) ? 0 : 1)
<< CS35L41_ASP_RX2_SLOT_SHIFT);
}
} else {
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_ASP_WIDTH_TX_MASK,
asp_width << CS35L41_ASP_WIDTH_TX_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_TX_WL,
CS35L41_ASP_TX_WL_MASK,
asp_wl << CS35L41_ASP_TX_WL_SHIFT);
}
return 0;
}
static int cs35l41_get_clk_config(int freq)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs35l41_pll_sysclk); i++) {
if (cs35l41_pll_sysclk[i].freq == freq)
return cs35l41_pll_sysclk[i].clk_cfg;
}
return -EINVAL;
}
static const unsigned int cs35l41_src_rates[] = {
8000, 12000, 11025, 16000, 22050, 24000, 32000,
44100, 48000, 88200, 96000, 176400, 192000
};
static const struct snd_pcm_hw_constraint_list cs35l41_constraints = {
.count = ARRAY_SIZE(cs35l41_src_rates),
.list = cs35l41_src_rates,
};
static int cs35l41_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
if (substream->runtime)
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &cs35l41_constraints);
return 0;
}
static int cs35l41_codec_set_sysclk(struct snd_soc_codec *codec,
int clk_id, int source, unsigned int freq,
int dir)
{
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
cs35l41_dbg(cs35l41->dev, "%s\n", __func__);
cs35l41->extclk_freq = freq;
switch (clk_id) {
case 0:
cs35l41->clksrc = CS35L41_PLLSRC_SCLK;
break;
case 1:
cs35l41->clksrc = CS35L41_PLLSRC_LRCLK;
break;
case 2:
cs35l41->clksrc = CS35L41_PLLSRC_PDMCLK;
break;
case 3:
cs35l41->clksrc = CS35L41_PLLSRC_SELF;
break;
case 4:
cs35l41->clksrc = CS35L41_PLLSRC_MCLK;
break;
default:
dev_err(codec->dev, "Invalid CLK Config\n");
return -EINVAL;
}
cs35l41->extclk_cfg = cs35l41_get_clk_config(freq);
if (cs35l41->extclk_cfg < 0) {
dev_err(codec->dev, "Invalid CLK Config: %d, freq: %u\n",
cs35l41->extclk_cfg, freq);
return -EINVAL;
}
if (freq != cs35l41->pll_freq_last) {
cs35l41_dbg(cs35l41->dev, "PLL freq changed\n");
if (cs35l41->clksrc == CS35L41_PLLSRC_SCLK)
regmap_update_bits(cs35l41->regmap,
CS35L41_SP_RATE_CTRL,
0x3F, cs35l41->extclk_cfg);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_OPENLOOP_MASK,
1 << CS35L41_PLL_OPENLOOP_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_REFCLK_FREQ_MASK,
cs35l41->extclk_cfg << CS35L41_REFCLK_FREQ_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_CLK_EN_MASK,
0 << CS35L41_PLL_CLK_EN_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_CLK_SEL_MASK, cs35l41->clksrc);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_OPENLOOP_MASK,
0 << CS35L41_PLL_OPENLOOP_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_PLL_CLK_CTRL,
CS35L41_PLL_CLK_EN_MASK,
1 << CS35L41_PLL_CLK_EN_SHIFT);
}
cs35l41->pll_freq_last = freq;
return 0;
}
static int cs35l41_dai_set_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
if (cs35l41_get_clk_config(freq) < 0) {
dev_err(codec->dev, "Invalid CLK Config freq: %u\n", freq);
return -EINVAL;
}
if (clk_id == CS35L41_PLLSRC_SCLK)
cs35l41->sclk = freq;
return 0;
}
static const struct reg_sequence cs35l41_fsync_errata_patch[] = {
{0x00000040, 0x00005555},
{0x00000040, 0x0000AAAA},
{CS35L41_VIMON_SPKMON_RESYNC, 0x00000000},
{0x00004310, 0x00000000},
{CS35L41_VPVBST_FS_SEL, 0x00000000},
{CS35L41_ASP_CONTROL4, 0x01010000},
{0x00000040, 0x0000CCCC},
{0x00000040, 0x00003333},
};
static int cs35l41_apply_pdata(struct snd_soc_codec *codec)
{
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
struct classh_cfg *classh = &cs35l41->pdata.classh_config;
/* Set Platform Data */
if (cs35l41->pdata.sclk_frc)
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_SCLK_FRC_MASK,
cs35l41->pdata.sclk_frc <<
CS35L41_SCLK_FRC_SHIFT);
if (cs35l41->pdata.lrclk_frc)
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_LRCLK_FRC_MASK,
cs35l41->pdata.lrclk_frc <<
CS35L41_LRCLK_FRC_SHIFT);
if (cs35l41->pdata.amp_gain_zc)
regmap_update_bits(cs35l41->regmap, CS35L41_AMP_GAIN_CTRL,
CS35L41_AMP_GAIN_ZC_MASK,
cs35l41->pdata.amp_gain_zc <<
CS35L41_AMP_GAIN_ZC_SHIFT);
if (cs35l41->pdata.bst_vctrl)
regmap_update_bits(cs35l41->regmap, CS35L41_BSTCVRT_VCTRL1,
CS35L41_BST_CTL_MASK, cs35l41->pdata.bst_vctrl);
if (cs35l41->pdata.bst_ipk)
regmap_update_bits(cs35l41->regmap, CS35L41_BSTCVRT_PEAK_CUR,
CS35L41_BST_IPK_MASK, cs35l41->pdata.bst_ipk);
if (cs35l41->pdata.temp_warn_thld)
regmap_update_bits(cs35l41->regmap, CS35L41_DTEMP_WARN_THLD,
CS35L41_TEMP_THLD_MASK,
cs35l41->pdata.temp_warn_thld);
if (cs35l41->pdata.dout_hiz <= CS35L41_ASP_DOUT_HIZ_MASK &&
cs35l41->pdata.dout_hiz >= 0)
regmap_update_bits(cs35l41->regmap, CS35L41_SP_HIZ_CTRL,
CS35L41_ASP_DOUT_HIZ_MASK,
cs35l41->pdata.dout_hiz);
if (cs35l41->pdata.inv_pcm)
regmap_update_bits(cs35l41->regmap, CS35L41_AMP_DIG_VOL_CTRL,
CS35l41_INV_PCM_MASK, CS35l41_INV_PCM_MASK);
if (cs35l41->pdata.use_fsync_errata)
regmap_register_patch(cs35l41->regmap,
cs35l41_fsync_errata_patch,
ARRAY_SIZE(cs35l41_fsync_errata_patch));
if (cs35l41->pdata.dsp_ng_enable) {
regmap_update_bits(cs35l41->regmap,
CS35L41_MIXER_NGATE_CH1_CFG,
CS35L41_DSP_NG_ENABLE_MASK,
CS35L41_DSP_NG_ENABLE_MASK);
regmap_update_bits(cs35l41->regmap,
CS35L41_MIXER_NGATE_CH2_CFG,
CS35L41_DSP_NG_ENABLE_MASK,
CS35L41_DSP_NG_ENABLE_MASK);
if (cs35l41->pdata.dsp_ng_pcm_thld) {
regmap_update_bits(cs35l41->regmap,
CS35L41_MIXER_NGATE_CH1_CFG,
CS35L41_DSP_NG_THLD_MASK,
cs35l41->pdata.dsp_ng_pcm_thld);
regmap_update_bits(cs35l41->regmap,
CS35L41_MIXER_NGATE_CH2_CFG,
CS35L41_DSP_NG_THLD_MASK,
cs35l41->pdata.dsp_ng_pcm_thld);
}
if (cs35l41->pdata.dsp_ng_delay) {
regmap_update_bits(cs35l41->regmap,
CS35L41_MIXER_NGATE_CH1_CFG,
CS35L41_DSP_NG_DELAY_MASK,
cs35l41->pdata.dsp_ng_delay <<
CS35L41_DSP_NG_DELAY_SHIFT);
regmap_update_bits(cs35l41->regmap,
CS35L41_MIXER_NGATE_CH2_CFG,
CS35L41_DSP_NG_DELAY_MASK,
cs35l41->pdata.dsp_ng_delay <<
CS35L41_DSP_NG_DELAY_SHIFT);
}
}
if (cs35l41->pdata.hw_ng_sel)
regmap_update_bits(cs35l41->regmap,
CS35L41_NG_CFG,
CS35L41_HW_NG_SEL_MASK,
cs35l41->pdata.hw_ng_sel <<
CS35L41_HW_NG_SEL_SHIFT);
if (cs35l41->pdata.hw_ng_thld)
regmap_update_bits(cs35l41->regmap,
CS35L41_NG_CFG,
CS35L41_HW_NG_THLD_MASK,
cs35l41->pdata.hw_ng_thld <<
CS35L41_HW_NG_THLD_SHIFT);
if (cs35l41->pdata.hw_ng_delay)
regmap_update_bits(cs35l41->regmap,
CS35L41_NG_CFG,
CS35L41_HW_NG_DLY_MASK,
cs35l41->pdata.hw_ng_delay <<
CS35L41_HW_NG_DLY_SHIFT);
if (classh->classh_algo_enable) {
if (classh->classh_bst_override)
regmap_update_bits(cs35l41->regmap,
CS35L41_BSTCVRT_VCTRL2,
CS35L41_BST_CTL_SEL_MASK,
CS35L41_BST_CTL_SEL_REG);
if (classh->classh_bst_max_limit)
regmap_update_bits(cs35l41->regmap,
CS35L41_BSTCVRT_VCTRL2,
CS35L41_BST_LIM_MASK,
classh->classh_bst_max_limit <<
CS35L41_BST_LIM_SHIFT);
if (classh->classh_mem_depth)
regmap_update_bits(cs35l41->regmap,
CS35L41_CLASSH_CFG,
CS35L41_CH_MEM_DEPTH_MASK,
classh->classh_mem_depth <<
CS35L41_CH_MEM_DEPTH_SHIFT);
if (classh->classh_headroom)
regmap_update_bits(cs35l41->regmap,
CS35L41_CLASSH_CFG,
CS35L41_CH_HDRM_CTL_MASK,
classh->classh_headroom <<
CS35L41_CH_HDRM_CTL_SHIFT);
if (classh->classh_release_rate)
regmap_update_bits(cs35l41->regmap,
CS35L41_CLASSH_CFG,
CS35L41_CH_REL_RATE_MASK,
classh->classh_release_rate <<
CS35L41_CH_REL_RATE_SHIFT);
if (classh->classh_wk_fet_delay)
regmap_update_bits(cs35l41->regmap,
CS35L41_WKFET_CFG,
CS35L41_CH_WKFET_DLY_MASK,
classh->classh_wk_fet_delay <<
CS35L41_CH_WKFET_DLY_SHIFT);
if (classh->classh_wk_fet_thld)
regmap_update_bits(cs35l41->regmap,
CS35L41_WKFET_CFG,
CS35L41_CH_WKFET_THLD_MASK,
classh->classh_wk_fet_thld <<
CS35L41_CH_WKFET_THLD_SHIFT);
}
return 0;
}
static int cs35l41_codec_probe(struct snd_soc_codec *codec)
{
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
cs35l41_apply_pdata(codec);
wm_adsp2_codec_probe(&cs35l41->dsp, codec);
#ifdef CS35L41_FACTORY_RECOVERY_SYSFS
cirrus_cal_codec_add(codec, cs35l41->pdata.mfd_suffix);
#endif /* CS35L41_FACTORY_RECOVERY_SYSFS */
return 0;
}
static int cs35l41_irq_gpio_config(struct cs35l41_private *cs35l41)
{
struct cs35l41_irq_cfg *irq_gpio_cfg1 = &cs35l41->pdata.irq_config1;
struct cs35l41_irq_cfg *irq_gpio_cfg2 = &cs35l41->pdata.irq_config2;
int irq_pol = 0;
if (irq_gpio_cfg1->is_present) {
if (irq_gpio_cfg1->irq_pol_inv)
regmap_update_bits(cs35l41->regmap,
CS35L41_GPIO1_CTRL1,
CS35L41_GPIO_POL_MASK,
CS35L41_GPIO_POL_MASK);
if (irq_gpio_cfg1->irq_out_en)
regmap_update_bits(cs35l41->regmap,
CS35L41_GPIO1_CTRL1,
CS35L41_GPIO_DIR_MASK,
0);
if (irq_gpio_cfg1->irq_src_sel)
regmap_update_bits(cs35l41->regmap,
CS35L41_GPIO_PAD_CONTROL,
CS35L41_GPIO1_CTRL_MASK,
irq_gpio_cfg1->irq_src_sel <<
CS35L41_GPIO1_CTRL_SHIFT);
}
if (irq_gpio_cfg2->is_present) {
if (irq_gpio_cfg2->irq_pol_inv)
regmap_update_bits(cs35l41->regmap,
CS35L41_GPIO2_CTRL1,
CS35L41_GPIO_POL_MASK,
CS35L41_GPIO_POL_MASK);
if (irq_gpio_cfg2->irq_out_en)
regmap_update_bits(cs35l41->regmap,
CS35L41_GPIO2_CTRL1,
CS35L41_GPIO_DIR_MASK,
0);
if (irq_gpio_cfg2->irq_src_sel)
regmap_update_bits(cs35l41->regmap,
CS35L41_GPIO_PAD_CONTROL,
CS35L41_GPIO2_CTRL_MASK,
irq_gpio_cfg2->irq_src_sel <<
CS35L41_GPIO2_CTRL_SHIFT);
}
if (irq_gpio_cfg2->irq_src_sel ==
(CS35L41_GPIO_CTRL_ACTV_LO | CS35L41_VALID_PDATA))
irq_pol = IRQF_TRIGGER_LOW;
else if (irq_gpio_cfg2->irq_src_sel ==
(CS35L41_GPIO_CTRL_ACTV_HI | CS35L41_VALID_PDATA))
irq_pol = IRQF_TRIGGER_HIGH;
return irq_pol;
}
static int cs35l41_codec_remove(struct snd_soc_codec *codec)
{
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
wm_adsp2_codec_remove(&cs35l41->dsp, codec);
return 0;
}
static const struct snd_soc_dai_ops cs35l41_ops = {
.digital_mute = cs35l41_pcm_mute,
.startup = cs35l41_pcm_startup,
.set_fmt = cs35l41_set_dai_fmt,
.hw_params = cs35l41_pcm_hw_params,
.set_sysclk = cs35l41_dai_set_sysclk,
};
static struct snd_soc_dai_driver cs35l41_dai[] = {
{
.name = "cs35l41-pcm",
.id = 0,
.playback = {
.stream_name = "AMP Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS35L41_RX_FORMATS,
},
.capture = {
.stream_name = "AMP Capture",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS35L41_TX_FORMATS,
},
.ops = &cs35l41_ops,
},
};
static struct regmap *cs35l41_get_regmap(struct device *dev)
{
struct cs35l41_private *cs35l41 = dev_get_drvdata(dev);
return cs35l41->regmap;
}
static struct snd_soc_codec_driver soc_codec_dev_cs35l41 = {
.probe = cs35l41_codec_probe,
.remove = cs35l41_codec_remove,
.get_regmap = cs35l41_get_regmap,
.set_sysclk = cs35l41_codec_set_sysclk,
.component_driver = {
.dapm_widgets = cs35l41_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(cs35l41_dapm_widgets),
.dapm_routes = cs35l41_audio_map,
.num_dapm_routes = ARRAY_SIZE(cs35l41_audio_map),
.controls = cs35l41_aud_controls,
.num_controls = ARRAY_SIZE(cs35l41_aud_controls),
},
.ignore_pmdown_time = true,
};
static int cs35l41_handle_of_data(struct device *dev,
struct cs35l41_platform_data *pdata)
{
struct device_node *np = dev->of_node;
unsigned int val;
int ret;
struct device_node *classh, *irq_gpio1, *irq_gpio2, *fixed_params;
struct classh_cfg *classh_config = &pdata->classh_config;
struct cs35l41_irq_cfg *irq_gpio1_config = &pdata->irq_config1;
struct cs35l41_irq_cfg *irq_gpio2_config = &pdata->irq_config2;
if (!np)
return 0;
pdata->right_channel = of_property_read_bool(np,
"cirrus,right-channel-amp");
pdata->sclk_frc = of_property_read_bool(np,
"cirrus,sclk-force-output");
pdata->lrclk_frc = of_property_read_bool(np,
"cirrus,lrclk-force-output");
pdata->amp_gain_zc = of_property_read_bool(np,
"cirrus,amp-gain-zc");
if (of_property_read_u32(np, "cirrus,temp-warn_threshold", &val) >= 0)
pdata->temp_warn_thld = val | CS35L41_VALID_PDATA;
ret = of_property_read_u32(np, "cirrus,boost-ctl-millivolt", &val);
if (ret >= 0) {
if (val < 2550 || val > 11000) {
dev_err(dev,
"Invalid Boost Voltage %u mV\n", val);
return -EINVAL;
}
pdata->bst_vctrl = ((val - 2550) / 50) + 1;
}
ret = of_property_read_u32(np, "cirrus,boost-peak-milliamp", &val);
if (ret >= 0) {
if (val < 1600 || val > 4500) {
dev_err(dev,
"Invalid Boost Peak Current %u mA\n", val);
return -EINVAL;
}
pdata->bst_ipk = ((val - 1600) / 50) + 0x10;
}
ret = of_property_read_u32(np, "cirrus,asp-sdout-hiz", &val);
if (ret >= 0)
pdata->dout_hiz = val;
else
pdata->dout_hiz = -1;
pdata->dsp_ng_enable = of_property_read_bool(np,
"cirrus,dsp-noise-gate-enable");
if (of_property_read_u32(np, "cirrus,dsp-noise-gate-threshold", &val) >= 0)
pdata->dsp_ng_pcm_thld = val | CS35L41_VALID_PDATA;
if (of_property_read_u32(np, "cirrus,dsp-noise-gate-delay", &val) >= 0)
pdata->dsp_ng_delay = val | CS35L41_VALID_PDATA;
if (of_property_read_u32(np, "cirrus,hw-noise-gate-select", &val) >= 0)
pdata->hw_ng_sel = val | CS35L41_VALID_PDATA;
if (of_property_read_u32(np, "cirrus,hw-noise-gate-threshold", &val) >= 0)
pdata->hw_ng_thld = val | CS35L41_VALID_PDATA;
if (of_property_read_u32(np, "cirrus,hw-noise-gate-delay", &val) >= 0)
pdata->hw_ng_delay = val | CS35L41_VALID_PDATA;
classh = of_get_child_by_name(np, "cirrus,classh-internal-algo");
classh_config->classh_algo_enable = classh ? true : false;
pdata->inv_pcm = of_property_read_bool(np, "cirrus,invert-pcm");
pdata->use_fsync_errata = of_property_read_bool(np,
"cirrus,use-fsync-errata");
if (classh_config->classh_algo_enable) {
classh_config->classh_bst_override =
of_property_read_bool(classh, "cirrus,classh-bst-overide");
ret = of_property_read_u32(classh,
"cirrus,classh-bst-max-limit",
&val);
if (ret >= 0) {
val |= CS35L41_VALID_PDATA;
classh_config->classh_bst_max_limit = val;
}
ret = of_property_read_u32(classh, "cirrus,classh-mem-depth",
&val);
if (ret >= 0) {
val |= CS35L41_VALID_PDATA;
classh_config->classh_mem_depth = val;
}
ret = of_property_read_u32(classh, "cirrus,classh-release-rate",
&val);
if (ret >= 0)
classh_config->classh_release_rate = val;
ret = of_property_read_u32(classh, "cirrus,classh-headroom",
&val);
if (ret >= 0) {
val |= CS35L41_VALID_PDATA;
classh_config->classh_headroom = val;
}
ret = of_property_read_u32(classh, "cirrus,classh-wk-fet-delay",
&val);
if (ret >= 0) {
val |= CS35L41_VALID_PDATA;
classh_config->classh_wk_fet_delay = val;
}
ret = of_property_read_u32(classh, "cirrus,classh-wk-fet-thld",
&val);
if (ret >= 0)
classh_config->classh_wk_fet_thld = val;
}
of_node_put(classh);
/* GPIO1 Pin Config */
irq_gpio1 = of_get_child_by_name(np, "cirrus,gpio-config1");
irq_gpio1_config->is_present = irq_gpio1 ? true : false;
if (irq_gpio1_config->is_present) {
irq_gpio1_config->irq_pol_inv = of_property_read_bool(irq_gpio1,
"cirrus,gpio-polarity-invert");
irq_gpio1_config->irq_out_en = of_property_read_bool(irq_gpio1,
"cirrus,gpio-output-enable");
ret = of_property_read_u32(irq_gpio1, "cirrus,gpio-src-select",
&val);
if (ret >= 0) {
val |= CS35L41_VALID_PDATA;
irq_gpio1_config->irq_src_sel = val;
}
}
of_node_put(irq_gpio1);
/* GPIO2 Pin Config */
irq_gpio2 = of_get_child_by_name(np, "cirrus,gpio-config2");
irq_gpio2_config->is_present = irq_gpio2 ? true : false;
if (irq_gpio2_config->is_present) {
irq_gpio2_config->irq_pol_inv = of_property_read_bool(irq_gpio2,
"cirrus,gpio-polarity-invert");
irq_gpio2_config->irq_out_en = of_property_read_bool(irq_gpio2,
"cirrus,gpio-output-enable");
ret = of_property_read_u32(irq_gpio2, "cirrus,gpio-src-select",
&val);
if (ret >= 0) {
val |= CS35L41_VALID_PDATA;
irq_gpio2_config->irq_src_sel = val;
}
}
of_node_put(irq_gpio2);
fixed_params = of_get_child_by_name(np, "cirrus,fixed-hw-params");
pdata->fixed_params = fixed_params ? true : false;
if (fixed_params) {
ret = of_property_read_u32(fixed_params,
"cirrus,fixed-rate",
&val);
if (ret >= 0)
pdata->fixed_rate = val;
else
pdata->fixed_rate = 0;
ret = of_property_read_u32(fixed_params,
"cirrus,fixed-width",
&val);
if (ret >= 0)
pdata->fixed_width = val;
else
pdata->fixed_width = 0;
ret = of_property_read_u32(fixed_params,
"cirrus,fixed-wl",
&val);
if (ret >= 0)
pdata->fixed_wl = val;
else
pdata->fixed_wl = 0;
}
of_node_put(fixed_params);
ret = of_property_read_string(np, "cirrus,dsp-part-name",
&pdata->dsp_part_name);
if (ret < 0)
pdata->dsp_part_name = "cs35l41";
ret = of_property_read_string(np, "cirrus,mfd-suffix",
&pdata->mfd_suffix);
if (ret < 0)
pdata->mfd_suffix = "";
return 0;
}
static const struct of_device_id cs35l41_of_match[] = {
{.compatible = "cirrus,cs35l40"},
{.compatible = "cirrus,cs35l41"},
{},
};
MODULE_DEVICE_TABLE(of, cs35l41_of_match);
static const struct spi_device_id cs35l41_id_spi[] = {
{"cs35l40", 0},
{"cs35l41", 0},
{}
};
MODULE_DEVICE_TABLE(spi, cs35l41_id_spi);
static const struct i2c_device_id cs35l41_id_i2c[] = {
{"cs35l40", 0},
{"cs35l41", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, cs35l41_id_i2c);
static const struct reg_sequence cs35l41_reva0_errata_patch[] = {
{0x00000040, 0x00005555},
{0x00000040, 0x0000AAAA},
{0x00003854, 0x05180240},
{CS35L41_OTP_TRIM_30, 0x9091A1C8},
{0x00003014, 0x0200EE0E},
{CS35L41_BSTCVRT_DCM_CTRL, 0x00000051},
{0x00000054, 0x00000004},
{CS35L41_IRQ1_DB3, 0x00000000},
{CS35L41_IRQ2_DB3, 0x00000000},
{0x00000040, 0x0000CCCC},
{0x00000040, 0x00003333},
};
static int cs35l41_dsp_init(struct cs35l41_private *cs35l41)
{
struct wm_adsp *dsp;
int ret, i;
dsp = &cs35l41->dsp;
dsp->part = cs35l41->pdata.dsp_part_name;
dsp->num = 1;
dsp->suffix = "";
dsp->type = WMFW_HALO;
dsp->rev = 0;
dsp->dev = cs35l41->dev;
dsp->regmap = cs35l41->regmap;
dsp->base = CS35L41_DSP1_CTRL_BASE;
dsp->base_sysinfo = CS35L41_DSP1_SYS_ID;
dsp->mem = cs35l41_dsp1_regions;
dsp->num_mems = ARRAY_SIZE(cs35l41_dsp1_regions);
cs35l41->halo_booted = false;
dsp->unlock_all = true;
dsp->n_rx_channels = CS35L41_DSP_N_RX_RATES;
dsp->n_tx_channels = CS35L41_DSP_N_TX_RATES;
ret = wm_halo_init(dsp, &cs35l41->rate_lock);
if (cs35l41->pdata.use_fsync_errata) {
for (i = 0; i < CS35L41_DSP_N_RX_RATES; i++)
dsp->rx_rate_cache[i] = 0x1;
for (i = 0; i < CS35L41_DSP_N_TX_RATES; i++)
dsp->tx_rate_cache[i] = 0x1;
}
return ret;
}
static int cs35l41_init(struct cs35l41_private *cs35l41)
{
u32 regid, reg_revid, mtl_revid, int_status, chipid_match;
int ret;
int timeout = 100;
if (cs35l41->dev->of_node) {
ret = cs35l41_handle_of_data(cs35l41->dev, &cs35l41->pdata);
if (ret != 0)
return ret;
} else {
ret = -EINVAL;
goto err;
}
ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, &regid);
if (ret != 0) {
dev_err(cs35l41->dev, "Get Device ID failed\n");
goto err;
}
ret = regmap_read(cs35l41->regmap, CS35L41_REVID, &reg_revid);
if (ret != 0) {
dev_err(cs35l41->dev, "Get Revision ID failed\n");
goto err;
}
mtl_revid = reg_revid & CS35L41_MTLREVID_MASK;
/* CS35L41 will have even MTLREVID
* CS35L41R will have odd MTLREVID
*/
chipid_match = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID;
if (regid != chipid_match) {
dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n",
regid, chipid_match);
ret = -ENODEV;
goto err;
}
cs35l41_irq_gpio_config(cs35l41);
/* Set interrupt masks for critical errors */
regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1,
CS35L41_INT1_MASK_DEFAULT);
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX5_SRC, CS35L41_INPUT_SRC_VPMON);
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX6_SRC, CS35L41_INPUT_SRC_CLASSH);
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX7_SRC, CS35L41_INPUT_SRC_TEMPMON);
regmap_write(cs35l41->regmap, CS35L41_DSP1_RX8_SRC, CS35L41_INPUT_SRC_RSVD);
switch (reg_revid) {
case CS35L41_REVID_A0:
ret = regmap_register_patch(cs35l41->regmap,
cs35l41_reva0_errata_patch,
ARRAY_SIZE(cs35l41_reva0_errata_patch));
if (ret < 0) {
dev_err(cs35l41->dev, "Failed to apply A0 errata patch %d\n", ret);
goto err;
}
}
do {
if (timeout == 0) {
dev_err(cs35l41->dev,
"Timeout waiting for OTP_BOOT_DONE\n");
goto err;
}
usleep_range(1000, 1100);
regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS4, &int_status);
timeout--;
} while (!(int_status & CS35L41_OTP_BOOT_DONE));
cs35l41_otp_unpack(cs35l41);
regmap_read(cs35l41->regmap, CS35L41_OTP_TRIM_30, &cs35l41->spk_3_trim);
regmap_read(cs35l41->regmap, CS35L41_OTP_TRIM_31, &cs35l41->spk_4_trim);
cs35l41->pcm_vol = CS35L41_AMP_VOL_CTRL_DEFAULT;
cs35l41->amp_mute = 1;
dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n",
regid, reg_revid);
err:
return ret;
}
static int cs35l41_probe(struct platform_device *pdev)
{
struct cs35l41_data *cs35l41_mfd = dev_get_drvdata(pdev->dev.parent);
struct cs35l41_private *cs35l41;
int ret, i;
int irq_pol = IRQF_TRIGGER_HIGH;
cs35l41 = devm_kzalloc(&pdev->dev, sizeof(struct cs35l41_private), GFP_KERNEL);
if (!cs35l41)
return -ENOMEM;
platform_set_drvdata(pdev, cs35l41);
mutex_init(&cs35l41->rate_lock);
cs35l41->regmap = cs35l41_mfd->regmap;
cs35l41->dev = cs35l41_mfd->dev;
cs35l41->irq = cs35l41_mfd->irq;
cs35l41->num_supplies = cs35l41_mfd->num_supplies;
cs35l41->reset_gpio = cs35l41_mfd->reset_gpio;
for (i = 0; i < cs35l41->num_supplies; i++)
cs35l41->supplies[i].supply = cs35l41_mfd->supplies[i].supply;
pdev->dev.of_node = cs35l41->dev->of_node;
ret = cs35l41_init(cs35l41);
if (ret < 0) {
dev_err(cs35l41->dev, "%s: cs35l41_init failed\n", __func__);
goto err;
}
cs35l41_dsp_init(cs35l41);
irq_pol = cs35l41_irq_gpio_config(cs35l41);
init_completion(&cs35l41->global_pdn_done);
init_completion(&cs35l41->global_pup_done);
ret = devm_request_threaded_irq(cs35l41->dev, cs35l41->irq, NULL,
cs35l41_irq, IRQF_ONESHOT | IRQF_SHARED |
irq_pol, "cs35l41", cs35l41);
/* CS35L41 needs INT for PDN_DONE */
if (ret != 0) {
dev_err(cs35l41->dev, "Failed to request IRQ: %d\n", ret);
goto err;
}
ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_cs35l41,
cs35l41_dai, ARRAY_SIZE(cs35l41_dai));
if (ret < 0) {
dev_err(cs35l41->dev, "%s: Register codec failed\n", __func__);
goto err;
}
err:
return ret;
}
int cs35l41_reinit(struct snd_soc_codec *codec)
{
struct cs35l41_private *cs35l41 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
if (!cs35l41)
return 0;
if (cs35l41->reset_gpio) {
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
usleep_range(1000, 1100);
gpiod_set_value_cansleep(cs35l41->reset_gpio, 1);
}
usleep_range(2000, 2100);
cs35l41->halo_booted = 0;
snd_soc_component_disable_pin(&codec->component, "DSP1 Preload");
snd_soc_dapm_sync(dapm);
mutex_lock(&cs35l41->dsp.pwr_lock);
cs35l41->dsp.running = false;
mutex_unlock(&cs35l41->dsp.pwr_lock);
usleep_range(2000, 2100);
regcache_drop_region(cs35l41->regmap, CS35L41_FIRSTREG,
CS35L41_LASTREG);
cs35l41_init(cs35l41);
cs35l41_apply_pdata(codec);
/* restore essential ASP regs */
regmap_write(cs35l41->regmap, CS35L41_DAC_PCM1_SRC,
CS35L41_INPUT_DSP_TX1);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_LRCLK_INV_MASK,
cs35l41->lrclk_fmt << CS35L41_LRCLK_INV_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_SCLK_INV_MASK,
cs35l41->sclk_fmt << CS35L41_SCLK_INV_SHIFT);
regmap_update_bits(cs35l41->regmap, CS35L41_SP_FORMAT,
CS35L41_ASP_FMT_MASK,
cs35l41->i2s_mode ? 2 : 0 <<
CS35L41_ASP_FMT_SHIFT);
cs35l41->pll_freq_last = 0;
cs35l41->pcm_source_last = CS35L41_DAC_PCM1_SRC;
snd_soc_component_force_enable_pin(&codec->component, "DSP1 Preload");
snd_soc_dapm_sync(dapm);
/* wait for HALO load completion on workqueue */
mutex_lock(&cs35l41->dsp.pwr_lock);
mutex_unlock(&cs35l41->dsp.pwr_lock);
dev_info(cs35l41->dev, "%s complete\n", __func__);
return 0;
}
EXPORT_SYMBOL_GPL(cs35l41_reinit);
static int cs35l41_remove(struct platform_device *pdev)
{
struct cs35l41_private *cs35l41 = platform_get_drvdata(pdev);
cs35l41_dbg(cs35l41->dev, "%s\n", __func__);
regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF);
wm_adsp2_remove(&cs35l41->dsp);
snd_soc_unregister_codec(&pdev->dev);
snd_soc_unregister_platform(&pdev->dev);
return 0;
}
static struct platform_driver cs35l41_platform_driver = {
.driver = {
.name = "cs35l41-codec",
.owner = THIS_MODULE,
},
.probe = cs35l41_probe,
.remove = cs35l41_remove,
};
module_platform_driver(cs35l41_platform_driver);
MODULE_DESCRIPTION("ASoC CS35L41 driver");
MODULE_AUTHOR("David Rhodes, Cirrus Logic Inc, <david.rhodes@cirrus.com>");
MODULE_LICENSE("GPL");
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