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-rw-r--r--include/sound/cs35l35.h103
-rw-r--r--sound/soc/codecs/Kconfig5
-rw-r--r--sound/soc/codecs/Makefile2
-rw-r--r--sound/soc/codecs/cs35l35.c1553
-rw-r--r--sound/soc/codecs/cs35l35.h284
5 files changed, 1947 insertions, 0 deletions
diff --git a/include/sound/cs35l35.h b/include/sound/cs35l35.h
new file mode 100644
index 000000000000..de92e452bf93
--- /dev/null
+++ b/include/sound/cs35l35.h
@@ -0,0 +1,103 @@
+/*
+ * linux/sound/cs35l35.h -- Platform data for CS35l35
+ *
+ * Copyright (c) 2016 Cirrus Logic Inc.
+ *
+ * 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.
+ */
+
+#ifndef __CS35L35_H
+#define __CS35L35_H
+
+struct classh_cfg {
+ /*
+ * Class H Algorithm Control Variables
+ * You can either have it done
+ * automatically or you can adjust
+ * these variables for tuning
+ *
+ * if you do not enable the internal algorithm
+ * you will get a set of mixer controls for
+ * Class H tuning
+ *
+ * Section 4.3 of the datasheet
+ */
+ bool classh_bst_override;
+ bool classh_algo_enable;
+ int classh_bst_max_limit;
+ int classh_mem_depth;
+ int classh_release_rate;
+ int classh_headroom;
+ int classh_wk_fet_disable;
+ int classh_wk_fet_delay;
+ int classh_wk_fet_thld;
+ int classh_vpch_auto;
+ int classh_vpch_rate;
+ int classh_vpch_man;
+};
+
+struct monitor_cfg {
+ /*
+ * Signal Monitor Data
+ * highly configurable signal monitoring
+ * data positioning and different types of
+ * monitoring data.
+ *
+ * Section 4.8.2 - 4.8.4 of the datasheet
+ */
+ bool is_present;
+ bool imon_specs;
+ bool vmon_specs;
+ bool vpmon_specs;
+ bool vbstmon_specs;
+ bool vpbrstat_specs;
+ bool zerofill_specs;
+ u8 imon_dpth;
+ u8 imon_loc;
+ u8 imon_frm;
+ u8 vmon_dpth;
+ u8 vmon_loc;
+ u8 vmon_frm;
+ u8 vpmon_dpth;
+ u8 vpmon_loc;
+ u8 vpmon_frm;
+ u8 vbstmon_dpth;
+ u8 vbstmon_loc;
+ u8 vbstmon_frm;
+ u8 vpbrstat_dpth;
+ u8 vpbrstat_loc;
+ u8 vpbrstat_frm;
+ u8 zerofill_dpth;
+ u8 zerofill_loc;
+ u8 zerofill_frm;
+};
+
+struct cs35l35_platform_data {
+
+ /* Stereo (2 Device) */
+ bool stereo;
+ /* serial port drive strength */
+ int sp_drv_str;
+ /* Boost Power Down with FET */
+ bool bst_pdn_fet_on;
+ /* Boost Voltage : used if ClassH Algo Enabled */
+ int bst_vctl;
+ /* Boost Converter Peak Current CTRL */
+ int bst_ipk;
+ /* Amp Gain Zero Cross */
+ bool gain_zc;
+ /* Audio Input Location */
+ int aud_channel;
+ /* Advisory Input Location */
+ int adv_channel;
+ /* Shared Boost for stereo */
+ bool shared_bst;
+ /* ClassH Algorithm */
+ struct classh_cfg classh_algo;
+ /* Monitor Config */
+ struct monitor_cfg mon_cfg;
+};
+
+#endif /* __CS35L35_H */
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index e49e9da7f1f6..00885c2cb685 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -49,6 +49,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_CS35L32 if I2C
select SND_SOC_CS35L33 if I2C
select SND_SOC_CS35L34 if I2C
+ select SND_SOC_CS35L35 if I2C
select SND_SOC_CS42L42 if I2C
select SND_SOC_CS42L51_I2C if I2C
select SND_SOC_CS42L52 if I2C && INPUT
@@ -408,6 +409,10 @@ config SND_SOC_CS35L34
tristate "Cirrus Logic CS35L34 CODEC"
depends on I2C
+config SND_SOC_CS35L35
+ tristate "Cirrus Logic CS35L35 CODEC"
+ depends on I2C
+
config SND_SOC_CS42L42
tristate "Cirrus Logic CS42L42 CODEC"
depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 1796cb987e71..97b36e4ce665 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -39,6 +39,7 @@ snd-soc-cq93vc-objs := cq93vc.o
snd-soc-cs35l32-objs := cs35l32.o
snd-soc-cs35l33-objs := cs35l33.o
snd-soc-cs35l34-objs := cs35l34.o
+snd-soc-cs35l35-objs := cs35l35.o
snd-soc-cs42l42-objs := cs42l42.o
snd-soc-cs42l51-objs := cs42l51.o
snd-soc-cs42l51-i2c-objs := cs42l51-i2c.o
@@ -269,6 +270,7 @@ obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
obj-$(CONFIG_SND_SOC_CS35L32) += snd-soc-cs35l32.o
obj-$(CONFIG_SND_SOC_CS35L33) += snd-soc-cs35l33.o
obj-$(CONFIG_SND_SOC_CS35L34) += snd-soc-cs35l34.o
+obj-$(CONFIG_SND_SOC_CS35L35) += snd-soc-cs35l35.o
obj-$(CONFIG_SND_SOC_CS42L42) += snd-soc-cs42l42.o
obj-$(CONFIG_SND_SOC_CS42L51) += snd-soc-cs42l51.o
obj-$(CONFIG_SND_SOC_CS42L51_I2C) += snd-soc-cs42l51-i2c.o
diff --git a/sound/soc/codecs/cs35l35.c b/sound/soc/codecs/cs35l35.c
new file mode 100644
index 000000000000..260ed42c71e9
--- /dev/null
+++ b/sound/soc/codecs/cs35l35.c
@@ -0,0 +1,1553 @@
+/*
+ * cs35l35.c -- CS35L35 ALSA SoC audio driver
+ *
+ * Copyright 2017 Cirrus Logic, Inc.
+ *
+ * Author: 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/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/cs35l35.h>
+#include <linux/of_irq.h>
+#include <linux/completion.h>
+
+#include "cs35l35.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 CS35L35_VALID_PDATA 0x80000000
+
+static const struct reg_default cs35l35_reg[] = {
+ {CS35L35_PWRCTL1, 0x01},
+ {CS35L35_PWRCTL2, 0x11},
+ {CS35L35_PWRCTL3, 0x00},
+ {CS35L35_CLK_CTL1, 0x04},
+ {CS35L35_CLK_CTL2, 0x10},
+ {CS35L35_CLK_CTL3, 0xCF},
+ {CS35L35_SP_FMT_CTL1, 0x20},
+ {CS35L35_SP_FMT_CTL2, 0x00},
+ {CS35L35_SP_FMT_CTL3, 0x02},
+ {CS35L35_MAG_COMP_CTL, 0x00},
+ {CS35L35_AMP_INP_DRV_CTL, 0x01},
+ {CS35L35_AMP_DIG_VOL_CTL, 0x12},
+ {CS35L35_AMP_DIG_VOL, 0x00},
+ {CS35L35_ADV_DIG_VOL, 0x00},
+ {CS35L35_PROTECT_CTL, 0x06},
+ {CS35L35_AMP_GAIN_AUD_CTL, 0x13},
+ {CS35L35_AMP_GAIN_PDM_CTL, 0x00},
+ {CS35L35_AMP_GAIN_ADV_CTL, 0x00},
+ {CS35L35_GPI_CTL, 0x00},
+ {CS35L35_BST_CVTR_V_CTL, 0x00},
+ {CS35L35_BST_PEAK_I, 0x07},
+ {CS35L35_BST_RAMP_CTL, 0x85},
+ {CS35L35_BST_CONV_COEF_1, 0x24},
+ {CS35L35_BST_CONV_COEF_2, 0x24},
+ {CS35L35_BST_CONV_SLOPE_COMP, 0x47},
+ {CS35L35_BST_CONV_SW_FREQ, 0x04},
+ {CS35L35_CLASS_H_CTL, 0x0B},
+ {CS35L35_CLASS_H_HEADRM_CTL, 0x0B},
+ {CS35L35_CLASS_H_RELEASE_RATE, 0x08},
+ {CS35L35_CLASS_H_FET_DRIVE_CTL, 0x41},
+ {CS35L35_CLASS_H_VP_CTL, 0xC5},
+ {CS35L35_VPBR_CTL, 0x0A},
+ {CS35L35_VPBR_VOL_CTL, 0x09},
+ {CS35L35_VPBR_TIMING_CTL, 0x6A},
+ {CS35L35_VPBR_MODE_VOL_CTL, 0x40},
+ {CS35L35_SPKR_MON_CTL, 0xC0},
+ {CS35L35_IMON_SCALE_CTL, 0x30},
+ {CS35L35_AUDIN_RXLOC_CTL, 0x00},
+ {CS35L35_ADVIN_RXLOC_CTL, 0x80},
+ {CS35L35_VMON_TXLOC_CTL, 0x00},
+ {CS35L35_IMON_TXLOC_CTL, 0x80},
+ {CS35L35_VPMON_TXLOC_CTL, 0x04},
+ {CS35L35_VBSTMON_TXLOC_CTL, 0x84},
+ {CS35L35_VPBR_STATUS_TXLOC_CTL, 0x04},
+ {CS35L35_ZERO_FILL_LOC_CTL, 0x00},
+ {CS35L35_AUDIN_DEPTH_CTL, 0x0F},
+ {CS35L35_SPKMON_DEPTH_CTL, 0x0F},
+ {CS35L35_SUPMON_DEPTH_CTL, 0x0F},
+ {CS35L35_ZEROFILL_DEPTH_CTL, 0x00},
+ {CS35L35_MULT_DEV_SYNCH1, 0x02},
+ {CS35L35_MULT_DEV_SYNCH2, 0x80},
+ {CS35L35_PROT_RELEASE_CTL, 0x00},
+ {CS35L35_DIAG_MODE_REG_LOCK, 0x00},
+ {CS35L35_DIAG_MODE_CTL_1, 0x40},
+ {CS35L35_DIAG_MODE_CTL_2, 0x00},
+ {CS35L35_INT_MASK_1, 0xFF},
+ {CS35L35_INT_MASK_2, 0xFF},
+ {CS35L35_INT_MASK_3, 0xFF},
+ {CS35L35_INT_MASK_4, 0xFF},
+
+};
+
+static bool cs35l35_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS35L35_INT_STATUS_1:
+ case CS35L35_INT_STATUS_2:
+ case CS35L35_INT_STATUS_3:
+ case CS35L35_INT_STATUS_4:
+ case CS35L35_PLL_STATUS:
+ case CS35L35_OTP_TRIM_STATUS:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool cs35l35_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS35L35_DEVID_AB ... CS35L35_PWRCTL3:
+ case CS35L35_CLK_CTL1 ... CS35L35_SP_FMT_CTL3:
+ case CS35L35_MAG_COMP_CTL ... CS35L35_AMP_GAIN_AUD_CTL:
+ case CS35L35_AMP_GAIN_PDM_CTL ... CS35L35_BST_PEAK_I:
+ case CS35L35_BST_RAMP_CTL ... CS35L35_BST_CONV_SW_FREQ:
+ case CS35L35_CLASS_H_CTL ... CS35L35_CLASS_H_VP_CTL:
+ case CS35L35_CLASS_H_STATUS:
+ case CS35L35_VPBR_CTL ... CS35L35_VPBR_MODE_VOL_CTL:
+ case CS35L35_VPBR_ATTEN_STATUS:
+ case CS35L35_SPKR_MON_CTL:
+ case CS35L35_IMON_SCALE_CTL ... CS35L35_ZEROFILL_DEPTH_CTL:
+ case CS35L35_MULT_DEV_SYNCH1 ... CS35L35_PROT_RELEASE_CTL:
+ case CS35L35_DIAG_MODE_REG_LOCK ... CS35L35_DIAG_MODE_CTL_2:
+ case CS35L35_INT_MASK_1 ... CS35L35_PLL_STATUS:
+ case CS35L35_OTP_TRIM_STATUS:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool cs35l35_precious_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS35L35_INT_STATUS_1:
+ case CS35L35_INT_STATUS_2:
+ case CS35L35_INT_STATUS_3:
+ case CS35L35_INT_STATUS_4:
+ case CS35L35_PLL_STATUS:
+ case CS35L35_OTP_TRIM_STATUS:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int cs35l35_sdin_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 cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
+ CS35L35_MCLK_DIS_MASK,
+ 0 << CS35L35_MCLK_DIS_SHIFT);
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL1,
+ CS35L35_DISCHG_FILT_MASK,
+ 0 << CS35L35_DISCHG_FILT_SHIFT);
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL1,
+ CS35L35_PDN_ALL_MASK, 0);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL1,
+ CS35L35_DISCHG_FILT_MASK,
+ 1 << CS35L35_DISCHG_FILT_SHIFT);
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL1,
+ CS35L35_PDN_ALL_MASK, 1);
+
+ reinit_completion(&cs35l35->pdn_done);
+
+ ret = wait_for_completion_timeout(&cs35l35->pdn_done,
+ msecs_to_jiffies(100));
+ if (ret == 0) {
+ dev_err(codec->dev, "TIMEOUT PDN_DONE did not complete in 100ms\n");
+ ret = -ETIMEDOUT;
+ }
+
+ regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
+ CS35L35_MCLK_DIS_MASK,
+ 1 << CS35L35_MCLK_DIS_SHIFT);
+ break;
+ default:
+ dev_err(codec->dev, "Invalid event = 0x%x\n", event);
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static int cs35l35_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 cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ unsigned int reg[4];
+ int i;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (cs35l35->pdata.bst_pdn_fet_on)
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL2,
+ CS35L35_PDN_BST_MASK,
+ 0 << CS35L35_PDN_BST_FETON_SHIFT);
+ else
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL2,
+ CS35L35_PDN_BST_MASK,
+ 0 << CS35L35_PDN_BST_FETOFF_SHIFT);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ usleep_range(5000, 5100);
+ /* If in PDM mode we must use VP for Voltage control */
+ if (cs35l35->pdm_mode)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_BST_CVTR_V_CTL,
+ CS35L35_BST_CTL_MASK,
+ 0 << CS35L35_BST_CTL_SHIFT);
+
+ regmap_update_bits(cs35l35->regmap, CS35L35_PROTECT_CTL,
+ CS35L35_AMP_MUTE_MASK, 0);
+
+ for (i = 0; i < 2; i++)
+ regmap_bulk_read(cs35l35->regmap, CS35L35_INT_STATUS_1,
+ &reg, ARRAY_SIZE(reg));
+
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_update_bits(cs35l35->regmap, CS35L35_PROTECT_CTL,
+ CS35L35_AMP_MUTE_MASK,
+ 1 << CS35L35_AMP_MUTE_SHIFT);
+ if (cs35l35->pdata.bst_pdn_fet_on)
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL2,
+ CS35L35_PDN_BST_MASK,
+ 1 << CS35L35_PDN_BST_FETON_SHIFT);
+ else
+ regmap_update_bits(cs35l35->regmap, CS35L35_PWRCTL2,
+ CS35L35_PDN_BST_MASK,
+ 1 << CS35L35_PDN_BST_FETOFF_SHIFT);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ usleep_range(5000, 5100);
+ /*
+ * If PDM mode we should switch back to pdata value
+ * for Voltage control when we go down
+ */
+ if (cs35l35->pdm_mode)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_BST_CVTR_V_CTL,
+ CS35L35_BST_CTL_MASK,
+ cs35l35->pdata.bst_vctl
+ << CS35L35_BST_CTL_SHIFT);
+
+ break;
+ default:
+ dev_err(codec->dev, "Invalid event = 0x%x\n", event);
+ }
+ return 0;
+}
+
+static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
+static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10200, 50, 0);
+
+static const struct snd_kcontrol_new cs35l35_aud_controls[] = {
+ SOC_SINGLE_SX_TLV("Digital Audio Volume", CS35L35_AMP_DIG_VOL,
+ 0, 0x34, 0xE4, dig_vol_tlv),
+ SOC_SINGLE_TLV("Analog Audio Volume", CS35L35_AMP_GAIN_AUD_CTL, 0, 19, 0,
+ amp_gain_tlv),
+ SOC_SINGLE_TLV("PDM Volume", CS35L35_AMP_GAIN_PDM_CTL, 0, 19, 0,
+ amp_gain_tlv),
+};
+
+static const struct snd_kcontrol_new cs35l35_adv_controls[] = {
+ SOC_SINGLE_SX_TLV("Digital Advisory Volume", CS35L35_ADV_DIG_VOL,
+ 0, 0x34, 0xE4, dig_vol_tlv),
+ SOC_SINGLE_TLV("Analog Advisory Volume", CS35L35_AMP_GAIN_ADV_CTL, 0, 19, 0,
+ amp_gain_tlv),
+};
+
+static const struct snd_soc_dapm_widget cs35l35_dapm_widgets[] = {
+ SND_SOC_DAPM_AIF_IN_E("SDIN", NULL, 0, CS35L35_PWRCTL3, 1, 1,
+ cs35l35_sdin_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_AIF_OUT("SDOUT", NULL, 0, CS35L35_PWRCTL3, 2, 1),
+
+ SND_SOC_DAPM_OUTPUT("SPK"),
+
+ SND_SOC_DAPM_INPUT("VP"),
+ SND_SOC_DAPM_INPUT("VBST"),
+ SND_SOC_DAPM_INPUT("ISENSE"),
+ SND_SOC_DAPM_INPUT("VSENSE"),
+
+ SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L35_PWRCTL2, 7, 1),
+ SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L35_PWRCTL2, 6, 1),
+ SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L35_PWRCTL3, 3, 1),
+ SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L35_PWRCTL3, 4, 1),
+ SND_SOC_DAPM_ADC("CLASS H", NULL, CS35L35_PWRCTL2, 5, 1),
+
+ SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L35_PWRCTL2, 0, 1, NULL, 0,
+ cs35l35_main_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD),
+};
+
+static const struct snd_soc_dapm_route cs35l35_audio_map[] = {
+ {"VPMON ADC", NULL, "VP"},
+ {"VBSTMON ADC", NULL, "VBST"},
+ {"IMON ADC", NULL, "ISENSE"},
+ {"VMON ADC", NULL, "VSENSE"},
+ {"SDOUT", NULL, "IMON ADC"},
+ {"SDOUT", NULL, "VMON ADC"},
+ {"SDOUT", NULL, "VBSTMON ADC"},
+ {"SDOUT", NULL, "VPMON ADC"},
+ {"AMP Capture", NULL, "SDOUT"},
+
+ {"SDIN", NULL, "AMP Playback"},
+ {"CLASS H", NULL, "SDIN"},
+ {"Main AMP", NULL, "CLASS H"},
+ {"SPK", NULL, "Main AMP"},
+};
+
+static int cs35l35_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
+ CS35L35_MS_MASK, 1 << CS35L35_MS_SHIFT);
+ cs35l35->slave_mode = false;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
+ CS35L35_MS_MASK, 0 << CS35L35_MS_SHIFT);
+ cs35l35->slave_mode = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ cs35l35->i2s_mode = true;
+ cs35l35->pdm_mode = false;
+ break;
+ case SND_SOC_DAIFMT_PDM:
+ cs35l35->pdm_mode = true;
+ cs35l35->i2s_mode = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+struct cs35l35_sysclk_config {
+ int sysclk;
+ int srate;
+ u8 clk_cfg;
+};
+
+static struct cs35l35_sysclk_config cs35l35_clk_ctl[] = {
+
+ /* SYSCLK, Sample Rate, Serial Port Cfg */
+ {5644800, 44100, 0x00},
+ {5644800, 88200, 0x40},
+ {6144000, 48000, 0x10},
+ {6144000, 96000, 0x50},
+ {11289600, 44100, 0x01},
+ {11289600, 88200, 0x41},
+ {11289600, 176400, 0x81},
+ {12000000, 44100, 0x03},
+ {12000000, 48000, 0x13},
+ {12000000, 88200, 0x43},
+ {12000000, 96000, 0x53},
+ {12000000, 176400, 0x83},
+ {12000000, 192000, 0x93},
+ {12288000, 48000, 0x11},
+ {12288000, 96000, 0x51},
+ {12288000, 192000, 0x91},
+ {13000000, 44100, 0x07},
+ {13000000, 48000, 0x17},
+ {13000000, 88200, 0x47},
+ {13000000, 96000, 0x57},
+ {13000000, 176400, 0x87},
+ {13000000, 192000, 0x97},
+ {22579200, 44100, 0x02},
+ {22579200, 88200, 0x42},
+ {22579200, 176400, 0x82},
+ {24000000, 44100, 0x0B},
+ {24000000, 48000, 0x1B},
+ {24000000, 88200, 0x4B},
+ {24000000, 96000, 0x5B},
+ {24000000, 176400, 0x8B},
+ {24000000, 192000, 0x9B},
+ {24576000, 48000, 0x12},
+ {24576000, 96000, 0x52},
+ {24576000, 192000, 0x92},
+ {26000000, 44100, 0x0F},
+ {26000000, 48000, 0x1F},
+ {26000000, 88200, 0x4F},
+ {26000000, 96000, 0x5F},
+ {26000000, 176400, 0x8F},
+ {26000000, 192000, 0x9F},
+};
+
+static int cs35l35_get_clk_config(int sysclk, int srate)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs35l35_clk_ctl); i++) {
+ if (cs35l35_clk_ctl[i].sysclk == sysclk &&
+ cs35l35_clk_ctl[i].srate == srate)
+ return cs35l35_clk_ctl[i].clk_cfg;
+ }
+ return -EINVAL;
+}
+
+static int cs35l35_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct classh_cfg *classh = &cs35l35->pdata.classh_algo;
+ int srate = params_rate(params);
+ int ret = 0;
+ u8 sp_sclks;
+ int audin_format;
+ int errata_chk;
+
+ int clk_ctl = cs35l35_get_clk_config(cs35l35->sysclk, srate);
+
+ if (clk_ctl < 0) {
+ dev_err(codec->dev, "Invalid CLK:Rate %d:%d\n",
+ cs35l35->sysclk, srate);
+ return -EINVAL;
+ }
+
+ ret = regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL2,
+ CS35L35_CLK_CTL2_MASK, clk_ctl);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set port config %d\n", ret);
+ return ret;
+ }
+
+ /*
+ * Rev A0 Errata
+ * When configured for the weak-drive detection path (CH_WKFET_DIS = 0)
+ * the Class H algorithm does not enable weak-drive operation for
+ * nonzero values of CH_WKFET_DELAY if SP_RATE = 01 or 10
+ */
+ errata_chk = clk_ctl & CS35L35_SP_RATE_MASK;
+
+ if (classh->classh_wk_fet_disable == 0x00 &&
+ (errata_chk == 0x01 || errata_chk == 0x03)) {
+ ret = regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_FET_DRIVE_CTL,
+ CS35L35_CH_WKFET_DEL_MASK,
+ 0 << CS35L35_CH_WKFET_DEL_SHIFT);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set fet config %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ /*
+ * You can pull more Monitor data from the SDOUT pin than going to SDIN
+ * Just make sure your SCLK is fast enough to fill the frame
+ */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ switch (params_width(params)) {
+ case 8:
+ audin_format = CS35L35_SDIN_DEPTH_8;
+ break;
+ case 16:
+ audin_format = CS35L35_SDIN_DEPTH_16;
+ break;
+ case 24:
+ audin_format = CS35L35_SDIN_DEPTH_24;
+ break;
+ default:
+ dev_err(codec->dev, "Unsupported Width %d\n",
+ params_width(params));
+ return -EINVAL;
+ }
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_AUDIN_DEPTH_CTL,
+ CS35L35_AUDIN_DEPTH_MASK,
+ audin_format <<
+ CS35L35_AUDIN_DEPTH_SHIFT);
+ if (cs35l35->pdata.stereo) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_AUDIN_DEPTH_CTL,
+ CS35L35_ADVIN_DEPTH_MASK,
+ audin_format <<
+ CS35L35_ADVIN_DEPTH_SHIFT);
+ }
+ }
+
+ if (cs35l35->i2s_mode) {
+ /* We have to take the SCLK to derive num sclks
+ * to configure the CLOCK_CTL3 register correctly
+ */
+ if ((cs35l35->sclk / srate) % 4) {
+ dev_err(codec->dev, "Unsupported sclk/fs ratio %d:%d\n",
+ cs35l35->sclk, srate);
+ return -EINVAL;
+ }
+ sp_sclks = ((cs35l35->sclk / srate) / 4) - 1;
+
+ /* Only certain ratios are supported in I2S Slave Mode */
+ if (cs35l35->slave_mode) {
+ switch (sp_sclks) {
+ case CS35L35_SP_SCLKS_32FS:
+ case CS35L35_SP_SCLKS_48FS:
+ case CS35L35_SP_SCLKS_64FS:
+ break;
+ default:
+ dev_err(codec->dev, "ratio not supported\n");
+ return -EINVAL;
+ };
+ } else {
+ /* Only certain ratios supported in I2S MASTER Mode */
+ switch (sp_sclks) {
+ case CS35L35_SP_SCLKS_32FS:
+ case CS35L35_SP_SCLKS_64FS:
+ break;
+ default:
+ dev_err(codec->dev, "ratio not supported\n");
+ return -EINVAL;
+ };
+ }
+ ret = regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLK_CTL3,
+ CS35L35_SP_SCLKS_MASK, sp_sclks <<
+ CS35L35_SP_SCLKS_SHIFT);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set fsclk %d\n", ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static const unsigned int cs35l35_src_rates[] = {
+ 44100, 48000, 88200, 96000, 176400, 192000
+};
+
+static const struct snd_pcm_hw_constraint_list cs35l35_constraints = {
+ .count = ARRAY_SIZE(cs35l35_src_rates),
+ .list = cs35l35_src_rates,
+};
+
+static int cs35l35_pcm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+
+ if (!substream->runtime)
+ return 0;
+
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &cs35l35_constraints);
+
+ regmap_update_bits(cs35l35->regmap, CS35L35_AMP_INP_DRV_CTL,
+ CS35L35_PDM_MODE_MASK,
+ 0 << CS35L35_PDM_MODE_SHIFT);
+
+ return 0;
+}
+
+static const unsigned int cs35l35_pdm_rates[] = {
+ 44100, 48000, 88200, 96000
+};
+
+static const struct snd_pcm_hw_constraint_list cs35l35_pdm_constraints = {
+ .count = ARRAY_SIZE(cs35l35_pdm_rates),
+ .list = cs35l35_pdm_rates,
+};
+
+static int cs35l35_pdm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+
+ if (!substream->runtime)
+ return 0;
+
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ &cs35l35_pdm_constraints);
+
+ regmap_update_bits(cs35l35->regmap, CS35L35_AMP_INP_DRV_CTL,
+ CS35L35_PDM_MODE_MASK,
+ 1 << CS35L35_PDM_MODE_SHIFT);
+
+ return 0;
+}
+
+static int cs35l35_dai_set_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+
+ /* Need the SCLK Frequency regardless of sysclk source for I2S */
+ cs35l35->sclk = freq;
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops cs35l35_ops = {
+ .startup = cs35l35_pcm_startup,
+ .set_fmt = cs35l35_set_dai_fmt,
+ .hw_params = cs35l35_hw_params,
+ .set_sysclk = cs35l35_dai_set_sysclk,
+};
+
+static const struct snd_soc_dai_ops cs35l35_pdm_ops = {
+ .startup = cs35l35_pdm_startup,
+ .set_fmt = cs35l35_set_dai_fmt,
+ .hw_params = cs35l35_hw_params,
+};
+
+static struct snd_soc_dai_driver cs35l35_dai[] = {
+ {
+ .name = "cs35l35-pcm",
+ .id = 0,
+ .playback = {
+ .stream_name = "AMP Playback",
+ .channels_min = 1,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS35L35_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AMP Capture",
+ .channels_min = 1,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS35L35_FORMATS,
+ },
+ .ops = &cs35l35_ops,
+ .symmetric_rates = 1,
+ },
+ {
+ .name = "cs35l35-pdm",
+ .id = 1,
+ .playback = {
+ .stream_name = "PDM Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS35L35_FORMATS,
+ },
+ .ops = &cs35l35_pdm_ops,
+ },
+};
+
+static int cs35l35_codec_set_sysclk(struct snd_soc_codec *codec,
+ int clk_id, int source, unsigned int freq,
+ int dir)
+{
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ int clksrc;
+ int ret = 0;
+
+ switch (clk_id) {
+ case 0:
+ clksrc = CS35L35_CLK_SOURCE_MCLK;
+ break;
+ case 1:
+ clksrc = CS35L35_CLK_SOURCE_SCLK;
+ break;
+ case 2:
+ clksrc = CS35L35_CLK_SOURCE_PDM;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid CLK Source\n");
+ return -EINVAL;
+ };
+
+ switch (freq) {
+ case 5644800:
+ case 6144000:
+ case 11289600:
+ case 12000000:
+ case 12288000:
+ case 13000000:
+ case 22579200:
+ case 24000000:
+ case 24576000:
+ case 26000000:
+ cs35l35->sysclk = freq;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid CLK Frequency Input : %d\n", freq);
+ return -EINVAL;
+ }
+
+ ret = regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
+ CS35L35_CLK_SOURCE_MASK,
+ clksrc << CS35L35_CLK_SOURCE_SHIFT);
+ if (ret != 0) {
+ dev_err(codec->dev, "Failed to set sysclk %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int cs35l35_codec_probe(struct snd_soc_codec *codec)
+{
+ struct cs35l35_private *cs35l35 = snd_soc_codec_get_drvdata(codec);
+ struct classh_cfg *classh = &cs35l35->pdata.classh_algo;
+ struct monitor_cfg *monitor_config = &cs35l35->pdata.mon_cfg;
+ int ret;
+
+ cs35l35->codec = codec;
+
+ /* Set Platform Data */
+ if (cs35l35->pdata.bst_vctl)
+ regmap_update_bits(cs35l35->regmap, CS35L35_BST_CVTR_V_CTL,
+ CS35L35_BST_CTL_MASK,
+ cs35l35->pdata.bst_vctl);
+
+ if (cs35l35->pdata.bst_ipk)
+ regmap_update_bits(cs35l35->regmap, CS35L35_BST_PEAK_I,
+ CS35L35_BST_IPK_MASK,
+ cs35l35->pdata.bst_ipk <<
+ CS35L35_BST_IPK_SHIFT);
+
+ if (cs35l35->pdata.gain_zc)
+ regmap_update_bits(cs35l35->regmap, CS35L35_PROTECT_CTL,
+ CS35L35_AMP_GAIN_ZC_MASK,
+ cs35l35->pdata.gain_zc <<
+ CS35L35_AMP_GAIN_ZC_SHIFT);
+
+ if (cs35l35->pdata.aud_channel)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_AUDIN_RXLOC_CTL,
+ CS35L35_AUD_IN_LR_MASK,
+ cs35l35->pdata.aud_channel <<
+ CS35L35_AUD_IN_LR_SHIFT);
+
+ if (cs35l35->pdata.stereo) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_ADVIN_RXLOC_CTL,
+ CS35L35_ADV_IN_LR_MASK,
+ cs35l35->pdata.adv_channel <<
+ CS35L35_ADV_IN_LR_SHIFT);
+ if (cs35l35->pdata.shared_bst)
+ regmap_update_bits(cs35l35->regmap, CS35L35_CLASS_H_CTL,
+ CS35L35_CH_STEREO_MASK,
+ 1 << CS35L35_CH_STEREO_SHIFT);
+ ret = snd_soc_add_codec_controls(codec, cs35l35_adv_controls,
+ ARRAY_SIZE(cs35l35_adv_controls));
+ if (ret)
+ return ret;
+ }
+
+ if (cs35l35->pdata.sp_drv_str)
+ regmap_update_bits(cs35l35->regmap, CS35L35_CLK_CTL1,
+ CS35L35_SP_DRV_MASK,
+ cs35l35->pdata.sp_drv_str <<
+ CS35L35_SP_DRV_SHIFT);
+
+ if (classh->classh_algo_enable) {
+ if (classh->classh_bst_override)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_CTL,
+ CS35L35_CH_BST_OVR_MASK,
+ classh->classh_bst_override <<
+ CS35L35_CH_BST_OVR_SHIFT);
+ if (classh->classh_bst_max_limit)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_CTL,
+ CS35L35_CH_BST_LIM_MASK,
+ classh->classh_bst_max_limit <<
+ CS35L35_CH_BST_LIM_SHIFT);
+ if (classh->classh_mem_depth)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_CTL,
+ CS35L35_CH_MEM_DEPTH_MASK,
+ classh->classh_mem_depth <<
+ CS35L35_CH_MEM_DEPTH_SHIFT);
+ if (classh->classh_headroom)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_HEADRM_CTL,
+ CS35L35_CH_HDRM_CTL_MASK,
+ classh->classh_headroom <<
+ CS35L35_CH_HDRM_CTL_SHIFT);
+ if (classh->classh_release_rate)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_RELEASE_RATE,
+ CS35L35_CH_REL_RATE_MASK,
+ classh->classh_release_rate <<
+ CS35L35_CH_REL_RATE_SHIFT);
+ if (classh->classh_wk_fet_disable)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_FET_DRIVE_CTL,
+ CS35L35_CH_WKFET_DIS_MASK,
+ classh->classh_wk_fet_disable <<
+ CS35L35_CH_WKFET_DIS_SHIFT);
+ if (classh->classh_wk_fet_delay)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_FET_DRIVE_CTL,
+ CS35L35_CH_WKFET_DEL_MASK,
+ classh->classh_wk_fet_delay <<
+ CS35L35_CH_WKFET_DEL_SHIFT);
+ if (classh->classh_wk_fet_thld)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_FET_DRIVE_CTL,
+ CS35L35_CH_WKFET_THLD_MASK,
+ classh->classh_wk_fet_thld <<
+ CS35L35_CH_WKFET_THLD_SHIFT);
+ if (classh->classh_vpch_auto)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_VP_CTL,
+ CS35L35_CH_VP_AUTO_MASK,
+ classh->classh_vpch_auto <<
+ CS35L35_CH_VP_AUTO_SHIFT);
+ if (classh->classh_vpch_rate)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_VP_CTL,
+ CS35L35_CH_VP_RATE_MASK,
+ classh->classh_vpch_rate <<
+ CS35L35_CH_VP_RATE_SHIFT);
+ if (classh->classh_vpch_man)
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_CLASS_H_VP_CTL,
+ CS35L35_CH_VP_MAN_MASK,
+ classh->classh_vpch_man <<
+ CS35L35_CH_VP_MAN_SHIFT);
+ }
+
+ if (monitor_config->is_present) {
+ if (monitor_config->vmon_specs) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_SPKMON_DEPTH_CTL,
+ CS35L35_VMON_DEPTH_MASK,
+ monitor_config->vmon_dpth <<
+ CS35L35_VMON_DEPTH_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VMON_TXLOC_CTL,
+ CS35L35_MON_TXLOC_MASK,
+ monitor_config->vmon_loc <<
+ CS35L35_MON_TXLOC_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VMON_TXLOC_CTL,
+ CS35L35_MON_FRM_MASK,
+ monitor_config->vmon_frm <<
+ CS35L35_MON_FRM_SHIFT);
+ }
+ if (monitor_config->imon_specs) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_SPKMON_DEPTH_CTL,
+ CS35L35_IMON_DEPTH_MASK,
+ monitor_config->imon_dpth <<
+ CS35L35_IMON_DEPTH_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_IMON_TXLOC_CTL,
+ CS35L35_MON_TXLOC_MASK,
+ monitor_config->imon_loc <<
+ CS35L35_MON_TXLOC_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_IMON_TXLOC_CTL,
+ CS35L35_MON_FRM_MASK,
+ monitor_config->imon_frm <<
+ CS35L35_MON_FRM_SHIFT);
+ }
+ if (monitor_config->vpmon_specs) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_SUPMON_DEPTH_CTL,
+ CS35L35_VPMON_DEPTH_MASK,
+ monitor_config->vpmon_dpth <<
+ CS35L35_VPMON_DEPTH_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VPMON_TXLOC_CTL,
+ CS35L35_MON_TXLOC_MASK,
+ monitor_config->vpmon_loc <<
+ CS35L35_MON_TXLOC_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VPMON_TXLOC_CTL,
+ CS35L35_MON_FRM_MASK,
+ monitor_config->vpmon_frm <<
+ CS35L35_MON_FRM_SHIFT);
+ }
+ if (monitor_config->vbstmon_specs) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_SUPMON_DEPTH_CTL,
+ CS35L35_VBSTMON_DEPTH_MASK,
+ monitor_config->vpmon_dpth <<
+ CS35L35_VBSTMON_DEPTH_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VBSTMON_TXLOC_CTL,
+ CS35L35_MON_TXLOC_MASK,
+ monitor_config->vbstmon_loc <<
+ CS35L35_MON_TXLOC_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VBSTMON_TXLOC_CTL,
+ CS35L35_MON_FRM_MASK,
+ monitor_config->vbstmon_frm <<
+ CS35L35_MON_FRM_SHIFT);
+ }
+ if (monitor_config->vpbrstat_specs) {
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_SUPMON_DEPTH_CTL,
+ CS35L35_VPBRSTAT_DEPTH_MASK,
+ monitor_config->vpbrstat_dpth <<
+ CS35L35_VPBRSTAT_DEPTH_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VPBR_STATUS_TXLOC_CTL,
+ CS35L35_MON_TXLOC_MASK,
+ monitor_config->vpbrstat_loc <<
+ CS35L35_MON_TXLOC_SHIFT);
+ regmap_update_bits(cs35l35->regmap,
+ CS35L35_VPBR_STATUS_TXLOC_CTL,
+ CS35L35_MON_FRM_MASK,
+ monitor_config->vpbrstat_frm <<
+ CS35L35_MON_FRM_SHIFT);
+ }
+ if (monitor_config->zerofill_specs) {
+ regmap_update_bi