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kernel/sound/soc/codecs/cs35l36.c

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// SPDX-License-Identifier: GPL-2.0
//
// cs35l36.c -- CS35L36 ALSA SoC audio driver
//
// Copyright 2018 Cirrus Logic, Inc.
//
// Author: James Schulman <james.schulman@cirrus.com>
#include <linux/module.h>
#include <linux/moduleparam.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/cs35l36.h>
#include <linux/of_irq.h>
#include <linux/completion.h>
#include "cs35l36.h"
/*
* Some fields take zero as a valid value so use a high bit flag that won't
* get written to the device to mark those.
*/
#define CS35L36_VALID_PDATA 0x80000000
static const char * const cs35l36_supplies[] = {
"VA",
"VP",
};
struct cs35l36_private {
struct device *dev;
struct cs35l36_platform_data pdata;
struct regmap *regmap;
struct regulator_bulk_data supplies[2];
int num_supplies;
int clksrc;
int chip_version;
int rev_id;
int ldm_mode_sel;
struct gpio_desc *reset_gpio;
};
struct cs35l36_pll_config {
int freq;
int clk_cfg;
int fll_igain;
};
static const struct cs35l36_pll_config cs35l36_pll_sysclk[] = {
{32768, 0x00, 0x05},
{8000, 0x01, 0x03},
{11025, 0x02, 0x03},
{12000, 0x03, 0x03},
{16000, 0x04, 0x04},
{22050, 0x05, 0x04},
{24000, 0x06, 0x04},
{32000, 0x07, 0x05},
{44100, 0x08, 0x05},
{48000, 0x09, 0x05},
{88200, 0x0A, 0x06},
{96000, 0x0B, 0x06},
{128000, 0x0C, 0x07},
{176400, 0x0D, 0x07},
{192000, 0x0E, 0x07},
{256000, 0x0F, 0x08},
{352800, 0x10, 0x08},
{384000, 0x11, 0x08},
{512000, 0x12, 0x09},
{705600, 0x13, 0x09},
{750000, 0x14, 0x09},
{768000, 0x15, 0x09},
{1000000, 0x16, 0x0A},
{1024000, 0x17, 0x0A},
{1200000, 0x18, 0x0A},
{1411200, 0x19, 0x0A},
{1500000, 0x1A, 0x0A},
{1536000, 0x1B, 0x0A},
{2000000, 0x1C, 0x0A},
{2048000, 0x1D, 0x0A},
{2400000, 0x1E, 0x0A},
{2822400, 0x1F, 0x0A},
{3000000, 0x20, 0x0A},
{3072000, 0x21, 0x0A},
{3200000, 0x22, 0x0A},
{4000000, 0x23, 0x0A},
{4096000, 0x24, 0x0A},
{4800000, 0x25, 0x0A},
{5644800, 0x26, 0x0A},
{6000000, 0x27, 0x0A},
{6144000, 0x28, 0x0A},
{6250000, 0x29, 0x08},
{6400000, 0x2A, 0x0A},
{6500000, 0x2B, 0x08},
{6750000, 0x2C, 0x09},
{7526400, 0x2D, 0x0A},
{8000000, 0x2E, 0x0A},
{8192000, 0x2F, 0x0A},
{9600000, 0x30, 0x0A},
{11289600, 0x31, 0x0A},
{12000000, 0x32, 0x0A},
{12288000, 0x33, 0x0A},
{12500000, 0x34, 0x08},
{12800000, 0x35, 0x0A},
{13000000, 0x36, 0x0A},
{13500000, 0x37, 0x0A},
{19200000, 0x38, 0x0A},
{22579200, 0x39, 0x0A},
{24000000, 0x3A, 0x0A},
{24576000, 0x3B, 0x0A},
{25000000, 0x3C, 0x0A},
{25600000, 0x3D, 0x0A},
{26000000, 0x3E, 0x0A},
{27000000, 0x3F, 0x0A},
};
static struct reg_default cs35l36_reg[] = {
{CS35L36_TESTKEY_CTRL, 0x00000000},
{CS35L36_USERKEY_CTL, 0x00000000},
{CS35L36_OTP_CTRL1, 0x00002460},
{CS35L36_OTP_CTRL2, 0x00000000},
{CS35L36_OTP_CTRL3, 0x00000000},
{CS35L36_OTP_CTRL4, 0x00000000},
{CS35L36_OTP_CTRL5, 0x00000000},
{CS35L36_PAC_CTL1, 0x00000004},
{CS35L36_PAC_CTL2, 0x00000000},
{CS35L36_PAC_CTL3, 0x00000000},
{CS35L36_PWR_CTRL1, 0x00000000},
{CS35L36_PWR_CTRL2, 0x00003321},
{CS35L36_PWR_CTRL3, 0x01000010},
{CS35L36_CTRL_OVRRIDE, 0x00000002},
{CS35L36_AMP_OUT_MUTE, 0x00000000},
{CS35L36_OTP_TRIM_STATUS, 0x00000000},
{CS35L36_DISCH_FILT, 0x00000000},
{CS35L36_PROTECT_REL_ERR, 0x00000000},
{CS35L36_PAD_INTERFACE, 0x00000038},
{CS35L36_PLL_CLK_CTRL, 0x00000010},
{CS35L36_GLOBAL_CLK_CTRL, 0x00000003},
{CS35L36_ADC_CLK_CTRL, 0x00000000},
{CS35L36_SWIRE_CLK_CTRL, 0x00000000},
{CS35L36_SP_SCLK_CLK_CTRL, 0x00000000},
{CS35L36_MDSYNC_EN, 0x00000000},
{CS35L36_MDSYNC_TX_ID, 0x00000000},
{CS35L36_MDSYNC_PWR_CTRL, 0x00000000},
{CS35L36_MDSYNC_DATA_TX, 0x00000000},
{CS35L36_MDSYNC_TX_STATUS, 0x00000002},
{CS35L36_MDSYNC_RX_STATUS, 0x00000000},
{CS35L36_MDSYNC_ERR_STATUS, 0x00000000},
{CS35L36_BSTCVRT_VCTRL1, 0x00000000},
{CS35L36_BSTCVRT_VCTRL2, 0x00000001},
{CS35L36_BSTCVRT_PEAK_CUR, 0x0000004A},
{CS35L36_BSTCVRT_SFT_RAMP, 0x00000003},
{CS35L36_BSTCVRT_COEFF, 0x00002424},
{CS35L36_BSTCVRT_SLOPE_LBST, 0x00005800},
{CS35L36_BSTCVRT_SW_FREQ, 0x00010000},
{CS35L36_BSTCVRT_DCM_CTRL, 0x00002001},
{CS35L36_BSTCVRT_DCM_MODE_FORCE, 0x00000000},
{CS35L36_BSTCVRT_OVERVOLT_CTRL, 0x00000130},
{CS35L36_VPI_LIMIT_MODE, 0x00000000},
{CS35L36_VPI_LIMIT_MINMAX, 0x00003000},
{CS35L36_VPI_VP_THLD, 0x00101010},
{CS35L36_VPI_TRACK_CTRL, 0x00000000},
{CS35L36_VPI_TRIG_MODE_CTRL, 0x00000000},
{CS35L36_VPI_TRIG_STEPS, 0x00000000},
{CS35L36_VI_SPKMON_FILT, 0x00000003},
{CS35L36_VI_SPKMON_GAIN, 0x00000909},
{CS35L36_VI_SPKMON_IP_SEL, 0x00000000},
{CS35L36_DTEMP_WARN_THLD, 0x00000002},
{CS35L36_DTEMP_STATUS, 0x00000000},
{CS35L36_VPVBST_FS_SEL, 0x00000001},
{CS35L36_VPVBST_VP_CTRL, 0x000001C0},
{CS35L36_VPVBST_VBST_CTRL, 0x000001C0},
{CS35L36_ASP_TX_PIN_CTRL, 0x00000028},
{CS35L36_ASP_RATE_CTRL, 0x00090000},
{CS35L36_ASP_FORMAT, 0x00000002},
{CS35L36_ASP_FRAME_CTRL, 0x00180018},
{CS35L36_ASP_TX1_TX2_SLOT, 0x00010000},
{CS35L36_ASP_TX3_TX4_SLOT, 0x00030002},
{CS35L36_ASP_TX5_TX6_SLOT, 0x00050004},
{CS35L36_ASP_TX7_TX8_SLOT, 0x00070006},
{CS35L36_ASP_RX1_SLOT, 0x00000000},
{CS35L36_ASP_RX_TX_EN, 0x00000000},
{CS35L36_ASP_RX1_SEL, 0x00000008},
{CS35L36_ASP_TX1_SEL, 0x00000018},
{CS35L36_ASP_TX2_SEL, 0x00000019},
{CS35L36_ASP_TX3_SEL, 0x00000028},
{CS35L36_ASP_TX4_SEL, 0x00000029},
{CS35L36_ASP_TX5_SEL, 0x00000020},
{CS35L36_ASP_TX6_SEL, 0x00000000},
{CS35L36_SWIRE_P1_TX1_SEL, 0x00000018},
{CS35L36_SWIRE_P1_TX2_SEL, 0x00000019},
{CS35L36_SWIRE_P2_TX1_SEL, 0x00000028},
{CS35L36_SWIRE_P2_TX2_SEL, 0x00000029},
{CS35L36_SWIRE_P2_TX3_SEL, 0x00000020},
{CS35L36_SWIRE_DP1_FIFO_CFG, 0x0000001B},
{CS35L36_SWIRE_DP2_FIFO_CFG, 0x0000001B},
{CS35L36_SWIRE_DP3_FIFO_CFG, 0x0000001B},
{CS35L36_SWIRE_PCM_RX_DATA, 0x00000000},
{CS35L36_SWIRE_FS_SEL, 0x00000001},
{CS35L36_AMP_DIG_VOL_CTRL, 0x00008000},
{CS35L36_VPBR_CFG, 0x02AA1905},
{CS35L36_VBBR_CFG, 0x02AA1905},
{CS35L36_VPBR_STATUS, 0x00000000},
{CS35L36_VBBR_STATUS, 0x00000000},
{CS35L36_OVERTEMP_CFG, 0x00000001},
{CS35L36_AMP_ERR_VOL, 0x00000000},
{CS35L36_CLASSH_CFG, 0x000B0405},
{CS35L36_CLASSH_FET_DRV_CFG, 0x00000111},
{CS35L36_NG_CFG, 0x00000033},
{CS35L36_AMP_GAIN_CTRL, 0x00000273},
{CS35L36_PWM_MOD_IO_CTRL, 0x00000000},
{CS35L36_PWM_MOD_STATUS, 0x00000000},
{CS35L36_DAC_MSM_CFG, 0x00000000},
{CS35L36_AMP_SLOPE_CTRL, 0x00000B00},
{CS35L36_AMP_PDM_VOLUME, 0x00000000},
{CS35L36_AMP_PDM_RATE_CTRL, 0x00000000},
{CS35L36_PDM_CH_SEL, 0x00000000},
{CS35L36_AMP_NG_CTRL, 0x0000212F},
{CS35L36_PDM_HIGHFILT_CTRL, 0x00000000},
{CS35L36_PAC_INT0_CTRL, 0x00000001},
{CS35L36_PAC_INT1_CTRL, 0x00000001},
{CS35L36_PAC_INT2_CTRL, 0x00000001},
{CS35L36_PAC_INT3_CTRL, 0x00000001},
{CS35L36_PAC_INT4_CTRL, 0x00000001},
{CS35L36_PAC_INT5_CTRL, 0x00000001},
{CS35L36_PAC_INT6_CTRL, 0x00000001},
{CS35L36_PAC_INT7_CTRL, 0x00000001},
};
static bool cs35l36_readable_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case CS35L36_SW_RESET:
case CS35L36_SW_REV:
case CS35L36_HW_REV:
case CS35L36_TESTKEY_CTRL:
case CS35L36_USERKEY_CTL:
case CS35L36_OTP_MEM30:
case CS35L36_OTP_CTRL1:
case CS35L36_OTP_CTRL2:
case CS35L36_OTP_CTRL3:
case CS35L36_OTP_CTRL4:
case CS35L36_OTP_CTRL5:
case CS35L36_PAC_CTL1:
case CS35L36_PAC_CTL2:
case CS35L36_PAC_CTL3:
case CS35L36_DEVICE_ID:
case CS35L36_FAB_ID:
case CS35L36_REV_ID:
case CS35L36_PWR_CTRL1:
case CS35L36_PWR_CTRL2:
case CS35L36_PWR_CTRL3:
case CS35L36_CTRL_OVRRIDE:
case CS35L36_AMP_OUT_MUTE:
case CS35L36_OTP_TRIM_STATUS:
case CS35L36_DISCH_FILT:
case CS35L36_PROTECT_REL_ERR:
case CS35L36_PAD_INTERFACE:
case CS35L36_PLL_CLK_CTRL:
case CS35L36_GLOBAL_CLK_CTRL:
case CS35L36_ADC_CLK_CTRL:
case CS35L36_SWIRE_CLK_CTRL:
case CS35L36_SP_SCLK_CLK_CTRL:
case CS35L36_TST_FS_MON0:
case CS35L36_MDSYNC_EN:
case CS35L36_MDSYNC_TX_ID:
case CS35L36_MDSYNC_PWR_CTRL:
case CS35L36_MDSYNC_DATA_TX:
case CS35L36_MDSYNC_TX_STATUS:
case CS35L36_MDSYNC_RX_STATUS:
case CS35L36_MDSYNC_ERR_STATUS:
case CS35L36_BSTCVRT_VCTRL1:
case CS35L36_BSTCVRT_VCTRL2:
case CS35L36_BSTCVRT_PEAK_CUR:
case CS35L36_BSTCVRT_SFT_RAMP:
case CS35L36_BSTCVRT_COEFF:
case CS35L36_BSTCVRT_SLOPE_LBST:
case CS35L36_BSTCVRT_SW_FREQ:
case CS35L36_BSTCVRT_DCM_CTRL:
case CS35L36_BSTCVRT_DCM_MODE_FORCE:
case CS35L36_BSTCVRT_OVERVOLT_CTRL:
case CS35L36_BST_TST_MANUAL:
case CS35L36_BST_ANA2_TEST:
case CS35L36_VPI_LIMIT_MODE:
case CS35L36_VPI_LIMIT_MINMAX:
case CS35L36_VPI_VP_THLD:
case CS35L36_VPI_TRACK_CTRL:
case CS35L36_VPI_TRIG_MODE_CTRL:
case CS35L36_VPI_TRIG_STEPS:
case CS35L36_VI_SPKMON_FILT:
case CS35L36_VI_SPKMON_GAIN:
case CS35L36_VI_SPKMON_IP_SEL:
case CS35L36_DTEMP_WARN_THLD:
case CS35L36_DTEMP_STATUS:
case CS35L36_VPVBST_FS_SEL:
case CS35L36_VPVBST_VP_CTRL:
case CS35L36_VPVBST_VBST_CTRL:
case CS35L36_ASP_TX_PIN_CTRL:
case CS35L36_ASP_RATE_CTRL:
case CS35L36_ASP_FORMAT:
case CS35L36_ASP_FRAME_CTRL:
case CS35L36_ASP_TX1_TX2_SLOT:
case CS35L36_ASP_TX3_TX4_SLOT:
case CS35L36_ASP_TX5_TX6_SLOT:
case CS35L36_ASP_TX7_TX8_SLOT:
case CS35L36_ASP_RX1_SLOT:
case CS35L36_ASP_RX_TX_EN:
case CS35L36_ASP_RX1_SEL:
case CS35L36_ASP_TX1_SEL:
case CS35L36_ASP_TX2_SEL:
case CS35L36_ASP_TX3_SEL:
case CS35L36_ASP_TX4_SEL:
case CS35L36_ASP_TX5_SEL:
case CS35L36_ASP_TX6_SEL:
case CS35L36_SWIRE_P1_TX1_SEL:
case CS35L36_SWIRE_P1_TX2_SEL:
case CS35L36_SWIRE_P2_TX1_SEL:
case CS35L36_SWIRE_P2_TX2_SEL:
case CS35L36_SWIRE_P2_TX3_SEL:
case CS35L36_SWIRE_DP1_FIFO_CFG:
case CS35L36_SWIRE_DP2_FIFO_CFG:
case CS35L36_SWIRE_DP3_FIFO_CFG:
case CS35L36_SWIRE_PCM_RX_DATA:
case CS35L36_SWIRE_FS_SEL:
case CS35L36_AMP_DIG_VOL_CTRL:
case CS35L36_VPBR_CFG:
case CS35L36_VBBR_CFG:
case CS35L36_VPBR_STATUS:
case CS35L36_VBBR_STATUS:
case CS35L36_OVERTEMP_CFG:
case CS35L36_AMP_ERR_VOL:
case CS35L36_CLASSH_CFG:
case CS35L36_CLASSH_FET_DRV_CFG:
case CS35L36_NG_CFG:
case CS35L36_AMP_GAIN_CTRL:
case CS35L36_PWM_MOD_IO_CTRL:
case CS35L36_PWM_MOD_STATUS:
case CS35L36_DAC_MSM_CFG:
case CS35L36_AMP_SLOPE_CTRL:
case CS35L36_AMP_PDM_VOLUME:
case CS35L36_AMP_PDM_RATE_CTRL:
case CS35L36_PDM_CH_SEL:
case CS35L36_AMP_NG_CTRL:
case CS35L36_PDM_HIGHFILT_CTRL:
case CS35L36_INT1_STATUS:
case CS35L36_INT2_STATUS:
case CS35L36_INT3_STATUS:
case CS35L36_INT4_STATUS:
case CS35L36_INT1_RAW_STATUS:
case CS35L36_INT2_RAW_STATUS:
case CS35L36_INT3_RAW_STATUS:
case CS35L36_INT4_RAW_STATUS:
case CS35L36_INT1_MASK:
case CS35L36_INT2_MASK:
case CS35L36_INT3_MASK:
case CS35L36_INT4_MASK:
case CS35L36_INT1_EDGE_LVL_CTRL:
case CS35L36_INT3_EDGE_LVL_CTRL:
case CS35L36_PAC_INT_STATUS:
case CS35L36_PAC_INT_RAW_STATUS:
case CS35L36_PAC_INT_FLUSH_CTRL:
case CS35L36_PAC_INT0_CTRL:
case CS35L36_PAC_INT1_CTRL:
case CS35L36_PAC_INT2_CTRL:
case CS35L36_PAC_INT3_CTRL:
case CS35L36_PAC_INT4_CTRL:
case CS35L36_PAC_INT5_CTRL:
case CS35L36_PAC_INT6_CTRL:
case CS35L36_PAC_INT7_CTRL:
return true;
default:
if (reg >= CS35L36_PAC_PMEM_WORD0 &&
reg <= CS35L36_PAC_PMEM_WORD1023)
return true;
else
return false;
}
}
static bool cs35l36_precious_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case CS35L36_TESTKEY_CTRL:
case CS35L36_USERKEY_CTL:
case CS35L36_TST_FS_MON0:
return true;
default:
return false;
}
}
static bool cs35l36_volatile_reg(struct device *dev, unsigned int reg)
{
switch (reg) {
case CS35L36_SW_RESET:
case CS35L36_SW_REV:
case CS35L36_HW_REV:
case CS35L36_TESTKEY_CTRL:
case CS35L36_USERKEY_CTL:
case CS35L36_DEVICE_ID:
case CS35L36_FAB_ID:
case CS35L36_REV_ID:
case CS35L36_INT1_STATUS:
case CS35L36_INT2_STATUS:
case CS35L36_INT3_STATUS:
case CS35L36_INT4_STATUS:
case CS35L36_INT1_RAW_STATUS:
case CS35L36_INT2_RAW_STATUS:
case CS35L36_INT3_RAW_STATUS:
case CS35L36_INT4_RAW_STATUS:
case CS35L36_INT1_MASK:
case CS35L36_INT2_MASK:
case CS35L36_INT3_MASK:
case CS35L36_INT4_MASK:
case CS35L36_INT1_EDGE_LVL_CTRL:
case CS35L36_INT3_EDGE_LVL_CTRL:
case CS35L36_PAC_INT_STATUS:
case CS35L36_PAC_INT_RAW_STATUS:
case CS35L36_PAC_INT_FLUSH_CTRL:
return true;
default:
if (reg >= CS35L36_PAC_PMEM_WORD0 &&
reg <= CS35L36_PAC_PMEM_WORD1023)
return true;
else
return false;
}
}
static const DECLARE_TLV_DB_RANGE(dig_vol_tlv, 0, 912,
TLV_DB_MINMAX_ITEM(-10200, 1200));
static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
static const char * const cs35l36_pcm_sftramp_text[] = {
"Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"};
static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp, CS35L36_AMP_DIG_VOL_CTRL, 0,
cs35l36_pcm_sftramp_text);
static int cs35l36_ldm_sel_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = cs35l36->ldm_mode_sel;
return 0;
}
static int cs35l36_ldm_sel_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_kcontrol_component(kcontrol);
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
int val = (ucontrol->value.integer.value[0]) ? CS35L36_NG_AMP_EN_MASK :
0;
cs35l36->ldm_mode_sel = val;
regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
CS35L36_NG_AMP_EN_MASK, val);
return 0;
}
static const struct snd_kcontrol_new cs35l36_aud_controls[] = {
SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L36_AMP_DIG_VOL_CTRL,
3, 0x4D0, 0x390, dig_vol_tlv),
SOC_SINGLE_TLV("Analog PCM Volume", CS35L36_AMP_GAIN_CTRL, 5, 0x13, 0,
amp_gain_tlv),
SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
SOC_SINGLE("Amp Gain Zero-Cross Switch", CS35L36_AMP_GAIN_CTRL,
CS35L36_AMP_ZC_SHIFT, 1, 0),
SOC_SINGLE("PDM LDM Enter Ramp Switch", CS35L36_DAC_MSM_CFG,
CS35L36_PDM_LDM_ENTER_SHIFT, 1, 0),
SOC_SINGLE("PDM LDM Exit Ramp Switch", CS35L36_DAC_MSM_CFG,
CS35L36_PDM_LDM_EXIT_SHIFT, 1, 0),
SOC_SINGLE_BOOL_EXT("LDM Select Switch", 0, cs35l36_ldm_sel_get,
cs35l36_ldm_sel_put),
};
static int cs35l36_main_amp_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 cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
u32 reg;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1,
CS35L36_GLOBAL_EN_MASK,
1 << CS35L36_GLOBAL_EN_SHIFT);
usleep_range(2000, 2100);
regmap_read(cs35l36->regmap, CS35L36_INT4_RAW_STATUS, &reg);
if (WARN_ON_ONCE(reg & CS35L36_PLL_UNLOCK_MASK))
dev_crit(cs35l36->dev, "PLL Unlocked\n");
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL,
CS35L36_PCM_RX_SEL_MASK,
CS35L36_PCM_RX_SEL_PCM);
regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE,
CS35L36_AMP_MUTE_MASK,
0 << CS35L36_AMP_MUTE_SHIFT);
break;
case SND_SOC_DAPM_PRE_PMD:
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL,
CS35L36_PCM_RX_SEL_MASK,
CS35L36_PCM_RX_SEL_ZERO);
regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE,
CS35L36_AMP_MUTE_MASK,
1 << CS35L36_AMP_MUTE_SHIFT);
break;
case SND_SOC_DAPM_POST_PMD:
regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1,
CS35L36_GLOBAL_EN_MASK,
0 << CS35L36_GLOBAL_EN_SHIFT);
usleep_range(2000, 2100);
break;
default:
dev_dbg(component->dev, "Invalid event = 0x%x\n", event);
return -EINVAL;
}
return 0;
}
static int cs35l36_boost_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 cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (!cs35l36->pdata.extern_boost)
regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2,
CS35L36_BST_EN_MASK,
CS35L36_BST_EN <<
CS35L36_BST_EN_SHIFT);
break;
case SND_SOC_DAPM_POST_PMD:
if (!cs35l36->pdata.extern_boost)
regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2,
CS35L36_BST_EN_MASK,
CS35L36_BST_DIS_VP <<
CS35L36_BST_EN_SHIFT);
break;
default:
dev_dbg(component->dev, "Invalid event = 0x%x\n", event);
return -EINVAL;
}
return 0;
}
static const char * const cs35l36_chan_text[] = {
"RX1",
"RX2",
};
static SOC_ENUM_SINGLE_DECL(chansel_enum, CS35L36_ASP_RX1_SLOT, 0,
cs35l36_chan_text);
static const struct snd_kcontrol_new cs35l36_chan_mux =
SOC_DAPM_ENUM("Input Mux", chansel_enum);
static const struct snd_kcontrol_new amp_enable_ctrl =
SOC_DAPM_SINGLE_AUTODISABLE("Switch", CS35L36_AMP_OUT_MUTE,
CS35L36_AMP_MUTE_SHIFT, 1, 1);
static const struct snd_kcontrol_new boost_ctrl =
SOC_DAPM_SINGLE_VIRT("Switch", 1);
static const char * const asp_tx_src_text[] = {
"Zero Fill", "ASPRX1", "VMON", "IMON", "ERRVOL", "VPMON", "VBSTMON"
};
static const unsigned int asp_tx_src_values[] = {
0x00, 0x08, 0x18, 0x19, 0x20, 0x28, 0x29
};
static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx1_src_enum, CS35L36_ASP_TX1_SEL, 0,
CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
asp_tx_src_values);
static const struct snd_kcontrol_new asp_tx1_src =
SOC_DAPM_ENUM("ASPTX1SRC", asp_tx1_src_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx2_src_enum, CS35L36_ASP_TX2_SEL, 0,
CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
asp_tx_src_values);
static const struct snd_kcontrol_new asp_tx2_src =
SOC_DAPM_ENUM("ASPTX2SRC", asp_tx2_src_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx3_src_enum, CS35L36_ASP_TX3_SEL, 0,
CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
asp_tx_src_values);
static const struct snd_kcontrol_new asp_tx3_src =
SOC_DAPM_ENUM("ASPTX3SRC", asp_tx3_src_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx4_src_enum, CS35L36_ASP_TX4_SEL, 0,
CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
asp_tx_src_values);
static const struct snd_kcontrol_new asp_tx4_src =
SOC_DAPM_ENUM("ASPTX4SRC", asp_tx4_src_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx5_src_enum, CS35L36_ASP_TX5_SEL, 0,
CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
asp_tx_src_values);
static const struct snd_kcontrol_new asp_tx5_src =
SOC_DAPM_ENUM("ASPTX5SRC", asp_tx5_src_enum);
static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx6_src_enum, CS35L36_ASP_TX6_SEL, 0,
CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
asp_tx_src_values);
static const struct snd_kcontrol_new asp_tx6_src =
SOC_DAPM_ENUM("ASPTX6SRC", asp_tx6_src_enum);
static const struct snd_soc_dapm_widget cs35l36_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Channel Mux", SND_SOC_NOPM, 0, 0, &cs35l36_chan_mux),
SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS35L36_ASP_RX_TX_EN, 16, 0),
SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L36_PWR_CTRL2, 0, 0, NULL, 0,
cs35l36_main_amp_event, SND_SOC_DAPM_POST_PMD |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUTPUT("SPK"),
SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1, &amp_enable_ctrl),
SND_SOC_DAPM_MIXER("CLASS H", CS35L36_PWR_CTRL3, 4, 0, NULL, 0),
SND_SOC_DAPM_SWITCH_E("BOOST Enable", SND_SOC_NOPM, 0, 0, &boost_ctrl,
cs35l36_boost_event, SND_SOC_DAPM_POST_PMD |
SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L36_ASP_RX_TX_EN, 0, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 1, CS35L36_ASP_RX_TX_EN, 1, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 2, CS35L36_ASP_RX_TX_EN, 2, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 3, CS35L36_ASP_RX_TX_EN, 3, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX5", NULL, 4, CS35L36_ASP_RX_TX_EN, 4, 0),
SND_SOC_DAPM_AIF_OUT("ASPTX6", NULL, 5, CS35L36_ASP_RX_TX_EN, 5, 0),
SND_SOC_DAPM_MUX("ASPTX1SRC", SND_SOC_NOPM, 0, 0, &asp_tx1_src),
SND_SOC_DAPM_MUX("ASPTX2SRC", SND_SOC_NOPM, 0, 0, &asp_tx2_src),
SND_SOC_DAPM_MUX("ASPTX3SRC", SND_SOC_NOPM, 0, 0, &asp_tx3_src),
SND_SOC_DAPM_MUX("ASPTX4SRC", SND_SOC_NOPM, 0, 0, &asp_tx4_src),
SND_SOC_DAPM_MUX("ASPTX5SRC", SND_SOC_NOPM, 0, 0, &asp_tx5_src),
SND_SOC_DAPM_MUX("ASPTX6SRC", SND_SOC_NOPM, 0, 0, &asp_tx6_src),
SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L36_PWR_CTRL2, 12, 0),
SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L36_PWR_CTRL2, 13, 0),
SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L36_PWR_CTRL2, 8, 0),
SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L36_PWR_CTRL2, 9, 0),
SND_SOC_DAPM_INPUT("VP"),
SND_SOC_DAPM_INPUT("VBST"),
SND_SOC_DAPM_INPUT("VSENSE"),
};
static const struct snd_soc_dapm_route cs35l36_audio_map[] = {
{"VPMON ADC", NULL, "VP"},
{"VBSTMON ADC", NULL, "VBST"},
{"IMON ADC", NULL, "VSENSE"},
{"VMON ADC", NULL, "VSENSE"},
{"ASPTX1SRC", "IMON", "IMON ADC"},
{"ASPTX1SRC", "VMON", "VMON ADC"},
{"ASPTX1SRC", "VBSTMON", "VBSTMON ADC"},
{"ASPTX1SRC", "VPMON", "VPMON ADC"},
{"ASPTX2SRC", "IMON", "IMON ADC"},
{"ASPTX2SRC", "VMON", "VMON ADC"},
{"ASPTX2SRC", "VBSTMON", "VBSTMON ADC"},
{"ASPTX2SRC", "VPMON", "VPMON ADC"},
{"ASPTX3SRC", "IMON", "IMON ADC"},
{"ASPTX3SRC", "VMON", "VMON ADC"},
{"ASPTX3SRC", "VBSTMON", "VBSTMON ADC"},
{"ASPTX3SRC", "VPMON", "VPMON ADC"},
{"ASPTX4SRC", "IMON", "IMON ADC"},
{"ASPTX4SRC", "VMON", "VMON ADC"},
{"ASPTX4SRC", "VBSTMON", "VBSTMON ADC"},
{"ASPTX4SRC", "VPMON", "VPMON ADC"},
{"ASPTX5SRC", "IMON", "IMON ADC"},
{"ASPTX5SRC", "VMON", "VMON ADC"},
{"ASPTX5SRC", "VBSTMON", "VBSTMON ADC"},
{"ASPTX5SRC", "VPMON", "VPMON ADC"},
{"ASPTX6SRC", "IMON", "IMON ADC"},
{"ASPTX6SRC", "VMON", "VMON ADC"},
{"ASPTX6SRC", "VBSTMON", "VBSTMON ADC"},
{"ASPTX6SRC", "VPMON", "VPMON ADC"},
{"ASPTX1", NULL, "ASPTX1SRC"},
{"ASPTX2", NULL, "ASPTX2SRC"},
{"ASPTX3", NULL, "ASPTX3SRC"},
{"ASPTX4", NULL, "ASPTX4SRC"},
{"ASPTX5", NULL, "ASPTX5SRC"},
{"ASPTX6", NULL, "ASPTX6SRC"},
{"AMP Capture", NULL, "ASPTX1"},
{"AMP Capture", NULL, "ASPTX2"},
{"AMP Capture", NULL, "ASPTX3"},
{"AMP Capture", NULL, "ASPTX4"},
{"AMP Capture", NULL, "ASPTX5"},
{"AMP Capture", NULL, "ASPTX6"},
{"AMP Enable", "Switch", "AMP Playback"},
{"SDIN", NULL, "AMP Enable"},
{"Channel Mux", "RX1", "SDIN"},
{"Channel Mux", "RX2", "SDIN"},
{"BOOST Enable", "Switch", "Channel Mux"},
{"CLASS H", NULL, "BOOST Enable"},
{"Main AMP", NULL, "Channel Mux"},
{"Main AMP", NULL, "CLASS H"},
{"SPK", NULL, "Main AMP"},
};
static int cs35l36_set_dai_fmt(struct snd_soc_dai *component_dai,
unsigned int fmt)
{
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component_dai->component);
unsigned int asp_fmt, lrclk_fmt, sclk_fmt, clock_provider, clk_frc;
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
case SND_SOC_DAIFMT_CBP_CFP:
clock_provider = 1;
break;
case SND_SOC_DAIFMT_CBC_CFC:
clock_provider = 0;
break;
default:
return -EINVAL;
}
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
CS35L36_SCLK_MSTR_MASK,
clock_provider << CS35L36_SCLK_MSTR_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
CS35L36_LRCLK_MSTR_MASK,
clock_provider << CS35L36_LRCLK_MSTR_SHIFT);
switch (fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
case SND_SOC_DAIFMT_CONT:
clk_frc = 1;
break;
case SND_SOC_DAIFMT_GATED:
clk_frc = 0;
break;
default:
return -EINVAL;
}
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
CS35L36_SCLK_FRC_MASK, clk_frc <<
CS35L36_SCLK_FRC_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
CS35L36_LRCLK_FRC_MASK, clk_frc <<
CS35L36_LRCLK_FRC_SHIFT);
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_A:
asp_fmt = 0;
break;
case SND_SOC_DAIFMT_I2S:
asp_fmt = 2;
break;
default:
return -EINVAL;
}
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:
return -EINVAL;
}
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
CS35L36_LRCLK_INV_MASK,
lrclk_fmt << CS35L36_LRCLK_INV_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
CS35L36_SCLK_INV_MASK,
sclk_fmt << CS35L36_SCLK_INV_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FORMAT,
CS35L36_ASP_FMT_MASK, asp_fmt);
return 0;
}
struct cs35l36_global_fs_config {
int rate;
int fs_cfg;
};
static const struct cs35l36_global_fs_config cs35l36_fs_rates[] = {
{12000, 0x01},
{24000, 0x02},
{48000, 0x03},
{96000, 0x04},
{192000, 0x05},
{384000, 0x06},
{11025, 0x09},
{22050, 0x0A},
{44100, 0x0B},
{88200, 0x0C},
{176400, 0x0D},
{8000, 0x11},
{16000, 0x12},
{32000, 0x13},
};
static int cs35l36_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(dai->component);
unsigned int asp_width, global_fs = params_rate(params);
int i;
for (i = 0; i < ARRAY_SIZE(cs35l36_fs_rates); i++) {
if (global_fs == cs35l36_fs_rates[i].rate)
regmap_update_bits(cs35l36->regmap,
CS35L36_GLOBAL_CLK_CTRL,
CS35L36_GLOBAL_FS_MASK,
cs35l36_fs_rates[i].fs_cfg <<
CS35L36_GLOBAL_FS_SHIFT);
}
switch (params_width(params)) {
case 16:
asp_width = CS35L36_ASP_WIDTH_16;
break;
case 24:
asp_width = CS35L36_ASP_WIDTH_24;
break;
case 32:
asp_width = CS35L36_ASP_WIDTH_32;
break;
default:
return -EINVAL;
}
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL,
CS35L36_ASP_RX_WIDTH_MASK,
asp_width << CS35L36_ASP_RX_WIDTH_SHIFT);
} else {
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL,
CS35L36_ASP_TX_WIDTH_MASK,
asp_width << CS35L36_ASP_TX_WIDTH_SHIFT);
}
return 0;
}
static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
struct snd_soc_component *component = dai->component;
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
int fs1, fs2;
if (freq > CS35L36_FS_NOM_6MHZ) {
fs1 = CS35L36_FS1_DEFAULT_VAL;
fs2 = CS35L36_FS2_DEFAULT_VAL;
} else {
fs1 = 3 * DIV_ROUND_UP(CS35L36_FS_NOM_6MHZ * 4, freq) + 4;
fs2 = 5 * DIV_ROUND_UP(CS35L36_FS_NOM_6MHZ * 4, freq) + 4;
}
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK2);
regmap_update_bits(cs35l36->regmap, CS35L36_TST_FS_MON0,
CS35L36_FS1_WINDOW_MASK | CS35L36_FS2_WINDOW_MASK,
fs1 | (fs2 << CS35L36_FS2_WINDOW_SHIFT));
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK2);
return 0;
}
static const struct cs35l36_pll_config *cs35l36_get_clk_config(
struct cs35l36_private *cs35l36, int freq)
{
int i;
for (i = 0; i < ARRAY_SIZE(cs35l36_pll_sysclk); i++) {
if (cs35l36_pll_sysclk[i].freq == freq)
return &cs35l36_pll_sysclk[i];
}
return NULL;
}
static const unsigned int cs35l36_src_rates[] = {
8000, 12000, 11025, 16000, 22050, 24000, 32000,
44100, 48000, 88200, 96000, 176400, 192000, 384000
};
static const struct snd_pcm_hw_constraint_list cs35l36_constraints = {
.count = ARRAY_SIZE(cs35l36_src_rates),
.list = cs35l36_src_rates,
};
static int cs35l36_pcm_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &cs35l36_constraints);
return 0;
}
static const struct snd_soc_dai_ops cs35l36_ops = {
.startup = cs35l36_pcm_startup,
.set_fmt = cs35l36_set_dai_fmt,
.hw_params = cs35l36_pcm_hw_params,
.set_sysclk = cs35l36_dai_set_sysclk,
};
static struct snd_soc_dai_driver cs35l36_dai[] = {
{
.name = "cs35l36-pcm",
.id = 0,
.playback = {
.stream_name = "AMP Playback",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS35L36_RX_FORMATS,
},
.capture = {
.stream_name = "AMP Capture",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_KNOT,
.formats = CS35L36_TX_FORMATS,
},
.ops = &cs35l36_ops,
.symmetric_rate = 1,
},
};
static int cs35l36_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq,
int dir)
{
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
const struct cs35l36_pll_config *clk_cfg;
int prev_clksrc;
bool pdm_switch;
prev_clksrc = cs35l36->clksrc;
switch (clk_id) {
case 0:
cs35l36->clksrc = CS35L36_PLLSRC_SCLK;
break;
case 1:
cs35l36->clksrc = CS35L36_PLLSRC_LRCLK;
break;
case 2:
cs35l36->clksrc = CS35L36_PLLSRC_PDMCLK;
break;
case 3:
cs35l36->clksrc = CS35L36_PLLSRC_SELF;
break;
case 4:
cs35l36->clksrc = CS35L36_PLLSRC_MCLK;
break;
default:
return -EINVAL;
}
clk_cfg = cs35l36_get_clk_config(cs35l36, freq);
if (clk_cfg == NULL) {
dev_err(component->dev, "Invalid CLK Config Freq: %d\n", freq);
return -EINVAL;
}
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
CS35L36_PLL_OPENLOOP_MASK,
1 << CS35L36_PLL_OPENLOOP_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
CS35L36_REFCLK_FREQ_MASK,
clk_cfg->clk_cfg << CS35L36_REFCLK_FREQ_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
CS35L36_PLL_REFCLK_EN_MASK,
0 << CS35L36_PLL_REFCLK_EN_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
CS35L36_PLL_CLK_SEL_MASK,
cs35l36->clksrc);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
CS35L36_PLL_OPENLOOP_MASK,
0 << CS35L36_PLL_OPENLOOP_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
CS35L36_PLL_REFCLK_EN_MASK,
1 << CS35L36_PLL_REFCLK_EN_SHIFT);
if (cs35l36->rev_id == CS35L36_REV_A0) {
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK2);
regmap_write(cs35l36->regmap, CS35L36_DCO_CTRL, 0x00036DA8);
regmap_write(cs35l36->regmap, CS35L36_MISC_CTRL, 0x0100EE0E);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS,
CS35L36_PLL_IGAIN_MASK,
CS35L36_PLL_IGAIN <<
CS35L36_PLL_IGAIN_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS,
CS35L36_PLL_FFL_IGAIN_MASK,
clk_cfg->fll_igain);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK2);
}
if (cs35l36->clksrc == CS35L36_PLLSRC_PDMCLK) {
pdm_switch = cs35l36->ldm_mode_sel &&
(prev_clksrc != CS35L36_PLLSRC_PDMCLK);
if (pdm_switch)
regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
CS35L36_NG_DELAY_MASK,
0 << CS35L36_NG_DELAY_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG,
CS35L36_PDM_MODE_MASK,
1 << CS35L36_PDM_MODE_SHIFT);
if (pdm_switch)
regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
CS35L36_NG_DELAY_MASK,
3 << CS35L36_NG_DELAY_SHIFT);
} else {
pdm_switch = cs35l36->ldm_mode_sel &&
(prev_clksrc == CS35L36_PLLSRC_PDMCLK);
if (pdm_switch)
regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
CS35L36_NG_DELAY_MASK,
0 << CS35L36_NG_DELAY_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG,
CS35L36_PDM_MODE_MASK,
0 << CS35L36_PDM_MODE_SHIFT);
if (pdm_switch)
regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
CS35L36_NG_DELAY_MASK,
3 << CS35L36_NG_DELAY_SHIFT);
}
return 0;
}
static int cs35l36_boost_inductor(struct cs35l36_private *cs35l36, int inductor)
{
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF,
CS35L36_BSTCVRT_K1_MASK, 0x3C);
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF,
CS35L36_BSTCVRT_K2_MASK,
0x3C << CS35L36_BSTCVRT_K2_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SW_FREQ,
CS35L36_BSTCVRT_CCMFREQ_MASK, 0x00);
switch (inductor) {
case 1000: /* 1 uH */
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
CS35L36_BSTCVRT_SLOPE_MASK,
0x75 << CS35L36_BSTCVRT_SLOPE_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
CS35L36_BSTCVRT_LBSTVAL_MASK, 0x00);
break;
case 1200: /* 1.2 uH */
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
CS35L36_BSTCVRT_SLOPE_MASK,
0x6B << CS35L36_BSTCVRT_SLOPE_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
CS35L36_BSTCVRT_LBSTVAL_MASK, 0x01);
break;
default:
dev_err(cs35l36->dev, "%s Invalid Inductor Value %d uH\n",
__func__, inductor);
return -EINVAL;
}
return 0;
}
static int cs35l36_component_probe(struct snd_soc_component *component)
{
struct cs35l36_private *cs35l36 =
snd_soc_component_get_drvdata(component);
int ret;
if ((cs35l36->rev_id == CS35L36_REV_A0) && cs35l36->pdata.dcm_mode) {
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_DCM_CTRL,
CS35L36_DCM_AUTO_MASK,
CS35L36_DCM_AUTO_MASK);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK2);
regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL,
CS35L36_BST_MAN_IPKCOMP_MASK,
0 << CS35L36_BST_MAN_IPKCOMP_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL,
CS35L36_BST_MAN_IPKCOMP_EN_MASK,
CS35L36_BST_MAN_IPKCOMP_EN_MASK);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK2);
}
if (cs35l36->pdata.amp_pcm_inv)
regmap_update_bits(cs35l36->regmap, CS35L36_AMP_DIG_VOL_CTRL,
CS35L36_AMP_PCM_INV_MASK,
CS35L36_AMP_PCM_INV_MASK);
if (cs35l36->pdata.multi_amp_mode)
regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
CS35L36_ASP_TX_HIZ_MASK,
CS35L36_ASP_TX_HIZ_MASK);
if (cs35l36->pdata.imon_pol_inv)
regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT,
CS35L36_IMON_POL_MASK, 0);
if (cs35l36->pdata.vmon_pol_inv)
regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT,
CS35L36_VMON_POL_MASK, 0);
if (cs35l36->pdata.bst_vctl)
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1,
CS35L35_BSTCVRT_CTL_MASK,
cs35l36->pdata.bst_vctl);
if (cs35l36->pdata.bst_vctl_sel)
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2,
CS35L35_BSTCVRT_CTL_SEL_MASK,
cs35l36->pdata.bst_vctl_sel);
if (cs35l36->pdata.bst_ipk)
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_PEAK_CUR,
CS35L36_BST_IPK_MASK,
cs35l36->pdata.bst_ipk);
if (cs35l36->pdata.boost_ind) {
ret = cs35l36_boost_inductor(cs35l36, cs35l36->pdata.boost_ind);
if (ret < 0) {
dev_err(cs35l36->dev,
"Boost inductor config failed(%d)\n", ret);
return ret;
}
}
if (cs35l36->pdata.temp_warn_thld)
regmap_update_bits(cs35l36->regmap, CS35L36_DTEMP_WARN_THLD,
CS35L36_TEMP_THLD_MASK,
cs35l36->pdata.temp_warn_thld);
if (cs35l36->pdata.irq_drv_sel)
regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
CS35L36_INT_DRV_SEL_MASK,
cs35l36->pdata.irq_drv_sel <<
CS35L36_INT_DRV_SEL_SHIFT);
if (cs35l36->pdata.irq_gpio_sel)
regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
CS35L36_INT_GPIO_SEL_MASK,
cs35l36->pdata.irq_gpio_sel <<
CS35L36_INT_GPIO_SEL_SHIFT);
/*
* Rev B0 has 2 versions
* L36 is 10V
* L37 is 12V
* If L36 we need to clamp some values for safety
* after probe has setup dt values. We want to make
* sure we dont miss any values set in probe
*/
if (cs35l36->chip_version == CS35L36_10V_L36) {
regmap_update_bits(cs35l36->regmap,
CS35L36_BSTCVRT_OVERVOLT_CTRL,
CS35L36_BST_OVP_THLD_MASK,
CS35L36_BST_OVP_THLD_11V);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK2);
regmap_update_bits(cs35l36->regmap, CS35L36_BST_ANA2_TEST,
CS35L36_BST_OVP_TRIM_MASK,
CS35L36_BST_OVP_TRIM_11V <<
CS35L36_BST_OVP_TRIM_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2,
CS35L36_BST_CTRL_LIM_MASK,
1 << CS35L36_BST_CTRL_LIM_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1,
CS35L35_BSTCVRT_CTL_MASK,
CS35L36_BST_CTRL_10V_CLAMP);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK2);
}
/*
* RevA and B require the disabling of
* SYNC_GLOBAL_OVR when GLOBAL_EN = 0.
* Just turn it off from default
*/
regmap_update_bits(cs35l36->regmap, CS35L36_CTRL_OVRRIDE,
CS35L36_SYNC_GLOBAL_OVR_MASK,
0 << CS35L36_SYNC_GLOBAL_OVR_SHIFT);
return 0;
}
static const struct snd_soc_component_driver soc_component_dev_cs35l36 = {
.probe = &cs35l36_component_probe,
.set_sysclk = cs35l36_component_set_sysclk,
.dapm_widgets = cs35l36_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(cs35l36_dapm_widgets),
.dapm_routes = cs35l36_audio_map,
.num_dapm_routes = ARRAY_SIZE(cs35l36_audio_map),
.controls = cs35l36_aud_controls,
.num_controls = ARRAY_SIZE(cs35l36_aud_controls),
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
};
static struct regmap_config cs35l36_regmap = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.max_register = CS35L36_PAC_PMEM_WORD1023,
.reg_defaults = cs35l36_reg,
.num_reg_defaults = ARRAY_SIZE(cs35l36_reg),
.precious_reg = cs35l36_precious_reg,
.volatile_reg = cs35l36_volatile_reg,
.readable_reg = cs35l36_readable_reg,
.cache_type = REGCACHE_RBTREE,
};
static irqreturn_t cs35l36_irq(int irq, void *data)
{
struct cs35l36_private *cs35l36 = data;
unsigned int status[4];
unsigned int masks[4];
int ret = IRQ_NONE;
/* ack the irq by reading all status registers */
regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_STATUS, status,
ARRAY_SIZE(status));
regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_MASK, masks,
ARRAY_SIZE(masks));
/* 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;
}
/*
* The following interrupts require a
* protection release cycle to get the
* speaker out of Safe-Mode.
*/
if (status[2] & CS35L36_AMP_SHORT_ERR) {
dev_crit(cs35l36->dev, "Amp short error\n");
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_AMP_SHORT_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_AMP_SHORT_ERR_RLS,
CS35L36_AMP_SHORT_ERR_RLS);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_AMP_SHORT_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_INT3_STATUS,
CS35L36_AMP_SHORT_ERR,
CS35L36_AMP_SHORT_ERR);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L36_TEMP_WARN) {
dev_crit(cs35l36->dev, "Over temperature warning\n");
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_WARN_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_WARN_ERR_RLS,
CS35L36_TEMP_WARN_ERR_RLS);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_WARN_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
CS35L36_TEMP_WARN, CS35L36_TEMP_WARN);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L36_TEMP_ERR) {
dev_crit(cs35l36->dev, "Over temperature error\n");
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
CS35L36_TEMP_ERR, CS35L36_TEMP_ERR);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L36_BST_OVP_ERR) {
dev_crit(cs35l36->dev, "VBST Over Voltage error\n");
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_TEMP_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
CS35L36_BST_OVP_ERR, CS35L36_BST_OVP_ERR);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L36_BST_DCM_UVP_ERR) {
dev_crit(cs35l36->dev, "DCM VBST Under Voltage Error\n");
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_BST_UVP_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_BST_UVP_ERR_RLS,
CS35L36_BST_UVP_ERR_RLS);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_BST_UVP_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
CS35L36_BST_DCM_UVP_ERR,
CS35L36_BST_DCM_UVP_ERR);
ret = IRQ_HANDLED;
}
if (status[0] & CS35L36_BST_SHORT_ERR) {
dev_crit(cs35l36->dev, "LBST SHORT error!\n");
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_BST_SHORT_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_BST_SHORT_ERR_RLS,
CS35L36_BST_SHORT_ERR_RLS);
regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
CS35L36_BST_SHORT_ERR_RLS, 0);
regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
CS35L36_BST_SHORT_ERR,
CS35L36_BST_SHORT_ERR);
ret = IRQ_HANDLED;
}
return ret;
}
static int cs35l36_handle_of_data(struct i2c_client *i2c_client,
struct cs35l36_platform_data *pdata)
{
struct device_node *np = i2c_client->dev.of_node;
struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config;
struct device_node *vpbr_node;
unsigned int val;
int ret;
if (!np)
return 0;
ret = of_property_read_u32(np, "cirrus,boost-ctl-millivolt", &val);
if (!ret) {
if (val < 2550 || val > 12000) {
dev_err(&i2c_client->dev,
"Invalid Boost Voltage %d mV\n", val);
return -EINVAL;
}
pdata->bst_vctl = (((val - 2550) / 100) + 1) << 1;
} else {
dev_err(&i2c_client->dev,
"Unable to find required parameter 'cirrus,boost-ctl-millivolt'");
return -EINVAL;
}
ret = of_property_read_u32(np, "cirrus,boost-ctl-select", &val);
if (!ret)
pdata->bst_vctl_sel = val | CS35L36_VALID_PDATA;
ret = of_property_read_u32(np, "cirrus,boost-peak-milliamp", &val);
if (!ret) {
if (val < 1600 || val > 4500) {
dev_err(&i2c_client->dev,
"Invalid Boost Peak Current %u mA\n", val);
return -EINVAL;
}
pdata->bst_ipk = (val - 1600) / 50;
} else {
dev_err(&i2c_client->dev,
"Unable to find required parameter 'cirrus,boost-peak-milliamp'");
return -EINVAL;
}
pdata->multi_amp_mode = of_property_read_bool(np,
"cirrus,multi-amp-mode");
pdata->dcm_mode = of_property_read_bool(np,
"cirrus,dcm-mode-enable");
pdata->amp_pcm_inv = of_property_read_bool(np,
"cirrus,amp-pcm-inv");
pdata->imon_pol_inv = of_property_read_bool(np,
"cirrus,imon-pol-inv");
pdata->vmon_pol_inv = of_property_read_bool(np,
"cirrus,vmon-pol-inv");
if (of_property_read_u32(np, "cirrus,temp-warn-threshold", &val) >= 0)
pdata->temp_warn_thld = val | CS35L36_VALID_PDATA;
if (of_property_read_u32(np, "cirrus,boost-ind-nanohenry", &val) >= 0) {
pdata->boost_ind = val;
} else {
dev_err(&i2c_client->dev, "Inductor not specified.\n");
return -EINVAL;
}
if (of_property_read_u32(np, "cirrus,irq-drive-select", &val) >= 0)
pdata->irq_drv_sel = val | CS35L36_VALID_PDATA;
if (of_property_read_u32(np, "cirrus,irq-gpio-select", &val) >= 0)
pdata->irq_gpio_sel = val | CS35L36_VALID_PDATA;
/* VPBR Config */
vpbr_node = of_get_child_by_name(np, "cirrus,vpbr-config");
vpbr_config->is_present = vpbr_node ? true : false;
if (vpbr_config->is_present) {
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-en",
&val) >= 0)
vpbr_config->vpbr_en = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-thld",
&val) >= 0)
vpbr_config->vpbr_thld = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-rate",
&val) >= 0)
vpbr_config->vpbr_atk_rate = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-vol",
&val) >= 0)
vpbr_config->vpbr_atk_vol = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-max-attn",
&val) >= 0)
vpbr_config->vpbr_max_attn = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-wait",
&val) >= 0)
vpbr_config->vpbr_wait = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-rel-rate",
&val) >= 0)
vpbr_config->vpbr_rel_rate = val;
if (of_property_read_u32(vpbr_node, "cirrus,vpbr-mute-en",
&val) >= 0)
vpbr_config->vpbr_mute_en = val;
}
of_node_put(vpbr_node);
return 0;
}
static int cs35l36_pac(struct cs35l36_private *cs35l36)
{
int ret, count;
unsigned int val;
if (cs35l36->rev_id != CS35L36_REV_B0)
return 0;
/*
* Magic code for internal PAC
*/
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_UNLOCK2);
usleep_range(9500, 10500);
regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1,
CS35L36_PAC_RESET);
regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3,
CS35L36_PAC_MEM_ACCESS);
regmap_write(cs35l36->regmap, CS35L36_PAC_PMEM_WORD0,
CS35L36_B0_PAC_PATCH);
regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3,
CS35L36_PAC_MEM_ACCESS_CLR);
regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1,
CS35L36_PAC_ENABLE_MASK);
usleep_range(9500, 10500);
ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS, &val);
if (ret < 0) {
dev_err(cs35l36->dev, "Failed to read int4_status %d\n", ret);
return ret;
}
count = 0;
while (!(val & CS35L36_MCU_CONFIG_CLR)) {
usleep_range(100, 200);
count++;
ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS,
&val);
if (ret < 0) {
dev_err(cs35l36->dev, "Failed to read int4_status %d\n",
ret);
return ret;
}
if (count >= 100)
return -EINVAL;
}
regmap_write(cs35l36->regmap, CS35L36_INT4_STATUS,
CS35L36_MCU_CONFIG_CLR);
regmap_update_bits(cs35l36->regmap, CS35L36_PAC_CTL1,
CS35L36_PAC_ENABLE_MASK, 0);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK1);
regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
CS35L36_TEST_LOCK2);
return 0;
}
static void cs35l36_apply_vpbr_config(struct cs35l36_private *cs35l36)
{
struct cs35l36_platform_data *pdata = &cs35l36->pdata;
struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config;
regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL3,
CS35L36_VPBR_EN_MASK,
vpbr_config->vpbr_en <<
CS35L36_VPBR_EN_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_THLD_MASK,
vpbr_config->vpbr_thld <<
CS35L36_VPBR_THLD_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_MAX_ATTN_MASK,
vpbr_config->vpbr_max_attn <<
CS35L36_VPBR_MAX_ATTN_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_ATK_VOL_MASK,
vpbr_config->vpbr_atk_vol <<
CS35L36_VPBR_ATK_VOL_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_ATK_RATE_MASK,
vpbr_config->vpbr_atk_rate <<
CS35L36_VPBR_ATK_RATE_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_WAIT_MASK,
vpbr_config->vpbr_wait <<
CS35L36_VPBR_WAIT_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_REL_RATE_MASK,
vpbr_config->vpbr_rel_rate <<
CS35L36_VPBR_REL_RATE_SHIFT);
regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
CS35L36_VPBR_MUTE_EN_MASK,
vpbr_config->vpbr_mute_en <<
CS35L36_VPBR_MUTE_EN_SHIFT);
}
static const struct reg_sequence cs35l36_reva0_errata_patch[] = {
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 },
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 },
/* Errata Writes */
{ CS35L36_OTP_CTRL1, 0x00002060 },
{ CS35L36_OTP_CTRL2, 0x00000001 },
{ CS35L36_OTP_CTRL1, 0x00002460 },
{ CS35L36_OTP_CTRL2, 0x00000001 },
{ 0x00002088, 0x012A1838 },
{ 0x00003014, 0x0100EE0E },
{ 0x00003008, 0x0008184A },
{ 0x00007418, 0x509001C8 },
{ 0x00007064, 0x0929A800 },
{ 0x00002D10, 0x0002C01C },
{ 0x0000410C, 0x00000A11 },
{ 0x00006E08, 0x8B19140C },
{ 0x00006454, 0x0300000A },
{ CS35L36_AMP_NG_CTRL, 0x000020EF },
{ 0x00007E34, 0x0000000E },
{ 0x0000410C, 0x00000A11 },
{ 0x00007410, 0x20514B00 },
/* PAC Config */
{ CS35L36_CTRL_OVRRIDE, 0x00000000 },
{ CS35L36_PAC_INT0_CTRL, 0x00860001 },
{ CS35L36_PAC_INT1_CTRL, 0x00860001 },
{ CS35L36_PAC_INT2_CTRL, 0x00860001 },
{ CS35L36_PAC_INT3_CTRL, 0x00860001 },
{ CS35L36_PAC_INT4_CTRL, 0x00860001 },
{ CS35L36_PAC_INT5_CTRL, 0x00860001 },
{ CS35L36_PAC_INT6_CTRL, 0x00860001 },
{ CS35L36_PAC_INT7_CTRL, 0x00860001 },
{ CS35L36_PAC_INT_FLUSH_CTRL, 0x000000FF },
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 },
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 },
};
static const struct reg_sequence cs35l36_revb0_errata_patch[] = {
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 },
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 },
{ 0x00007064, 0x0929A800 },
{ 0x00007850, 0x00002FA9 },
{ 0x00007854, 0x0003F1D5 },
{ 0x00007858, 0x0003F5E3 },
{ 0x0000785C, 0x00001137 },
{ 0x00007860, 0x0001A7A5 },
{ 0x00007864, 0x0002F16A },
{ 0x00007868, 0x00003E21 },
{ 0x00007848, 0x00000001 },
{ 0x00003854, 0x05180240 },
{ 0x00007418, 0x509001C8 },
{ 0x0000394C, 0x028764BD },
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 },
{ CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 },
};
static int cs35l36_i2c_probe(struct i2c_client *i2c_client)
{
struct cs35l36_private *cs35l36;
struct device *dev = &i2c_client->dev;
struct cs35l36_platform_data *pdata = dev_get_platdata(dev);
struct irq_data *irq_d;
int ret, irq_pol, chip_irq_pol, i;
u32 reg_id, reg_revid, l37_id_reg;
cs35l36 = devm_kzalloc(dev, sizeof(struct cs35l36_private), GFP_KERNEL);
if (!cs35l36)
return -ENOMEM;
cs35l36->dev = dev;
i2c_set_clientdata(i2c_client, cs35l36);
cs35l36->regmap = devm_regmap_init_i2c(i2c_client, &cs35l36_regmap);
if (IS_ERR(cs35l36->regmap)) {
ret = PTR_ERR(cs35l36->regmap);
dev_err(dev, "regmap_init() failed: %d\n", ret);
return ret;
}
cs35l36->num_supplies = ARRAY_SIZE(cs35l36_supplies);
for (i = 0; i < ARRAY_SIZE(cs35l36_supplies); i++)
cs35l36->supplies[i].supply = cs35l36_supplies[i];
ret = devm_regulator_bulk_get(dev, cs35l36->num_supplies,
cs35l36->supplies);
if (ret != 0) {
dev_err(dev, "Failed to request core supplies: %d\n", ret);
return ret;
}
if (pdata) {
cs35l36->pdata = *pdata;
} else {
pdata = devm_kzalloc(dev, sizeof(struct cs35l36_platform_data),
GFP_KERNEL);
if (!pdata)
return -ENOMEM;
if (i2c_client->dev.of_node) {
ret = cs35l36_handle_of_data(i2c_client, pdata);
if (ret != 0)
return ret;
}
cs35l36->pdata = *pdata;
}
ret = regulator_bulk_enable(cs35l36->num_supplies, cs35l36->supplies);
if (ret != 0) {
dev_err(dev, "Failed to enable core supplies: %d\n", ret);
return ret;
}
/* returning NULL can be an option if in stereo mode */
cs35l36->reset_gpio = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_LOW);
if (IS_ERR(cs35l36->reset_gpio)) {
ret = PTR_ERR(cs35l36->reset_gpio);
cs35l36->reset_gpio = NULL;
if (ret == -EBUSY) {
dev_info(dev, "Reset line busy, assuming shared reset\n");
} else {
dev_err(dev, "Failed to get reset GPIO: %d\n", ret);
goto err_disable_regs;
}
}
if (cs35l36->reset_gpio)
gpiod_set_value_cansleep(cs35l36->reset_gpio, 1);
usleep_range(2000, 2100);
/* initialize amplifier */
ret = regmap_read(cs35l36->regmap, CS35L36_SW_RESET, &reg_id);
if (ret < 0) {
dev_err(dev, "Get Device ID failed %d\n", ret);
goto err;
}
if (reg_id != CS35L36_CHIP_ID) {
dev_err(dev, "Device ID (%X). Expected ID %X\n", reg_id,
CS35L36_CHIP_ID);
ret = -ENODEV;
goto err;
}
ret = regmap_read(cs35l36->regmap, CS35L36_REV_ID, &reg_revid);
if (ret < 0) {
dev_err(&i2c_client->dev, "Get Revision ID failed %d\n", ret);
goto err;
}
cs35l36->rev_id = reg_revid >> 8;
ret = regmap_read(cs35l36->regmap, CS35L36_OTP_MEM30, &l37_id_reg);
if (ret < 0) {
dev_err(&i2c_client->dev, "Failed to read otp_id Register %d\n",
ret);
goto err;
}
if ((l37_id_reg & CS35L36_OTP_REV_MASK) == CS35L36_OTP_REV_L37)
cs35l36->chip_version = CS35L36_12V_L37;
else
cs35l36->chip_version = CS35L36_10V_L36;
switch (cs35l36->rev_id) {
case CS35L36_REV_A0:
ret = regmap_register_patch(cs35l36->regmap,
cs35l36_reva0_errata_patch,
ARRAY_SIZE(cs35l36_reva0_errata_patch));
if (ret < 0) {
dev_err(dev, "Failed to apply A0 errata patch %d\n",
ret);
goto err;
}
break;
case CS35L36_REV_B0:
ret = cs35l36_pac(cs35l36);
if (ret < 0) {
dev_err(dev, "Failed to Trim OTP %d\n", ret);
goto err;
}
ret = regmap_register_patch(cs35l36->regmap,
cs35l36_revb0_errata_patch,
ARRAY_SIZE(cs35l36_revb0_errata_patch));
if (ret < 0) {
dev_err(dev, "Failed to apply B0 errata patch %d\n",
ret);
goto err;
}
break;
}
if (pdata->vpbr_config.is_present)
cs35l36_apply_vpbr_config(cs35l36);
irq_d = irq_get_irq_data(i2c_client->irq);
if (!irq_d) {
dev_err(&i2c_client->dev, "Invalid IRQ: %d\n", i2c_client->irq);
ret = -ENODEV;
goto err;
}
irq_pol = irqd_get_trigger_type(irq_d);
switch (irq_pol) {
case IRQF_TRIGGER_FALLING:
case IRQF_TRIGGER_LOW:
chip_irq_pol = 0;
break;
case IRQF_TRIGGER_RISING:
case IRQF_TRIGGER_HIGH:
chip_irq_pol = 1;
break;
default:
dev_err(cs35l36->dev, "Invalid IRQ polarity: %d\n", irq_pol);
ret = -EINVAL;
goto err;
}
regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
CS35L36_INT_POL_SEL_MASK,
chip_irq_pol << CS35L36_INT_POL_SEL_SHIFT);
ret = devm_request_threaded_irq(dev, i2c_client->irq, NULL, cs35l36_irq,
IRQF_ONESHOT | irq_pol, "cs35l36",
cs35l36);
if (ret != 0) {
dev_err(dev, "Failed to request IRQ: %d\n", ret);
goto err;
}
regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
CS35L36_INT_OUTPUT_EN_MASK, 1);
/* Set interrupt masks for critical errors */
regmap_write(cs35l36->regmap, CS35L36_INT1_MASK,
CS35L36_INT1_MASK_DEFAULT);
regmap_write(cs35l36->regmap, CS35L36_INT3_MASK,
CS35L36_INT3_MASK_DEFAULT);
dev_info(&i2c_client->dev, "Cirrus Logic CS35L%d, Revision: %02X\n",
cs35l36->chip_version, reg_revid >> 8);
ret = devm_snd_soc_register_component(dev, &soc_component_dev_cs35l36,
cs35l36_dai,
ARRAY_SIZE(cs35l36_dai));
if (ret < 0) {
dev_err(dev, "%s: Register component failed %d\n", __func__,
ret);
goto err;
}
return 0;
err:
gpiod_set_value_cansleep(cs35l36->reset_gpio, 0);
err_disable_regs:
regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies);
return ret;
}
static int cs35l36_i2c_remove(struct i2c_client *client)
{
struct cs35l36_private *cs35l36 = i2c_get_clientdata(client);
/* Reset interrupt masks for device removal */
regmap_write(cs35l36->regmap, CS35L36_INT1_MASK,
CS35L36_INT1_MASK_RESET);
regmap_write(cs35l36->regmap, CS35L36_INT3_MASK,
CS35L36_INT3_MASK_RESET);
if (cs35l36->reset_gpio)
gpiod_set_value_cansleep(cs35l36->reset_gpio, 0);
regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies);
return 0;
}
static const struct of_device_id cs35l36_of_match[] = {
{.compatible = "cirrus,cs35l36"},
{},
};
MODULE_DEVICE_TABLE(of, cs35l36_of_match);
static const struct i2c_device_id cs35l36_id[] = {
{"cs35l36", 0},
{}
};
MODULE_DEVICE_TABLE(i2c, cs35l36_id);
static struct i2c_driver cs35l36_i2c_driver = {
.driver = {
.name = "cs35l36",
.of_match_table = cs35l36_of_match,
},
.id_table = cs35l36_id,
.probe_new = cs35l36_i2c_probe,
.remove = cs35l36_i2c_remove,
};
module_i2c_driver(cs35l36_i2c_driver);
MODULE_DESCRIPTION("ASoC CS35L36 driver");
MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
MODULE_LICENSE("GPL");
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