diff options
Diffstat (limited to 'sound/soc/codecs/ssm2602.c')
| -rw-r--r-- | sound/soc/codecs/ssm2602.c | 685 |
1 files changed, 685 insertions, 0 deletions
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c new file mode 100644 index 000000000..cf7927222 --- /dev/null +++ b/sound/soc/codecs/ssm2602.c @@ -0,0 +1,685 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// +// File: sound/soc/codecs/ssm2602.c +// Author: Cliff Cai <Cliff.Cai@analog.com> +// +// Created: Tue June 06 2008 +// Description: Driver for ssm2602 sound chip +// +// Modified: +// Copyright 2008 Analog Devices Inc. +// +// Bugs: Enter bugs at http://blackfin.uclinux.org/ + +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#include "ssm2602.h" + +/* codec private data */ +struct ssm2602_priv { + unsigned int sysclk; + const struct snd_pcm_hw_constraint_list *sysclk_constraints; + + struct regmap *regmap; + + enum ssm2602_type type; + unsigned int clk_out_pwr; +}; + +/* + * ssm2602 register cache + * We can't read the ssm2602 register space when we are + * using 2 wire for device control, so we cache them instead. + * There is no point in caching the reset register + */ +static const struct reg_default ssm2602_reg[SSM2602_CACHEREGNUM] = { + { .reg = 0x00, .def = 0x0097 }, + { .reg = 0x01, .def = 0x0097 }, + { .reg = 0x02, .def = 0x0079 }, + { .reg = 0x03, .def = 0x0079 }, + { .reg = 0x04, .def = 0x000a }, + { .reg = 0x05, .def = 0x0008 }, + { .reg = 0x06, .def = 0x009f }, + { .reg = 0x07, .def = 0x000a }, + { .reg = 0x08, .def = 0x0000 }, + { .reg = 0x09, .def = 0x0000 } +}; + +/* + * ssm2602 register patch + * Workaround for playback distortions after power up: activates digital + * core, and then powers on output, DAC, and whole chip at the same time + */ + +static const struct reg_sequence ssm2602_patch[] = { + { SSM2602_ACTIVE, 0x01 }, + { SSM2602_PWR, 0x07 }, + { SSM2602_RESET, 0x00 }, +}; + + +/*Appending several "None"s just for OSS mixer use*/ +static const char *ssm2602_input_select[] = { + "Line", "Mic", +}; + +static const char *ssm2602_deemph[] = {"None", "32Khz", "44.1Khz", "48Khz"}; + +static const struct soc_enum ssm2602_enum[] = { + SOC_ENUM_SINGLE(SSM2602_APANA, 2, ARRAY_SIZE(ssm2602_input_select), + ssm2602_input_select), + SOC_ENUM_SINGLE(SSM2602_APDIGI, 1, ARRAY_SIZE(ssm2602_deemph), + ssm2602_deemph), +}; + +static const DECLARE_TLV_DB_RANGE(ssm260x_outmix_tlv, + 0, 47, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 0), + 48, 127, TLV_DB_SCALE_ITEM(-7400, 100, 0) +); + +static const DECLARE_TLV_DB_SCALE(ssm260x_inpga_tlv, -3450, 150, 0); +static const DECLARE_TLV_DB_SCALE(ssm260x_sidetone_tlv, -1500, 300, 0); + +static const struct snd_kcontrol_new ssm260x_snd_controls[] = { +SOC_DOUBLE_R_TLV("Capture Volume", SSM2602_LINVOL, SSM2602_RINVOL, 0, 45, 0, + ssm260x_inpga_tlv), +SOC_DOUBLE_R("Capture Switch", SSM2602_LINVOL, SSM2602_RINVOL, 7, 1, 1), + +SOC_SINGLE("ADC High Pass Filter Switch", SSM2602_APDIGI, 0, 1, 1), +SOC_SINGLE("Store DC Offset Switch", SSM2602_APDIGI, 4, 1, 0), + +SOC_ENUM("Playback De-emphasis", ssm2602_enum[1]), +}; + +static const struct snd_kcontrol_new ssm2602_snd_controls[] = { +SOC_DOUBLE_R_TLV("Master Playback Volume", SSM2602_LOUT1V, SSM2602_ROUT1V, + 0, 127, 0, ssm260x_outmix_tlv), +SOC_DOUBLE_R("Master Playback ZC Switch", SSM2602_LOUT1V, SSM2602_ROUT1V, + 7, 1, 0), +SOC_SINGLE_TLV("Sidetone Playback Volume", SSM2602_APANA, 6, 3, 1, + ssm260x_sidetone_tlv), + +SOC_SINGLE("Mic Boost (+20dB)", SSM2602_APANA, 0, 1, 0), +SOC_SINGLE("Mic Boost2 (+20dB)", SSM2602_APANA, 8, 1, 0), +}; + +/* Output Mixer */ +static const struct snd_kcontrol_new ssm260x_output_mixer_controls[] = { +SOC_DAPM_SINGLE("Line Bypass Switch", SSM2602_APANA, 3, 1, 0), +SOC_DAPM_SINGLE("HiFi Playback Switch", SSM2602_APANA, 4, 1, 0), +SOC_DAPM_SINGLE("Mic Sidetone Switch", SSM2602_APANA, 5, 1, 0), +}; + +static const struct snd_kcontrol_new mic_ctl = + SOC_DAPM_SINGLE("Switch", SSM2602_APANA, 1, 1, 1); + +/* Input mux */ +static const struct snd_kcontrol_new ssm2602_input_mux_controls = +SOC_DAPM_ENUM("Input Select", ssm2602_enum[0]); + +static int ssm2602_mic_switch_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + /* + * According to the ssm2603 data sheet (control register sequencing), + * the digital core should be activated only after all necessary bits + * in the power register are enabled, and a delay determined by the + * decoupling capacitor on the VMID pin has passed. If the digital core + * is activated too early, or even before the ADC is powered up, audible + * artifacts appear at the beginning and end of the recorded signal. + * + * In practice, audible artifacts disappear well over 500 ms. + */ + msleep(500); + + return 0; +} + +static const struct snd_soc_dapm_widget ssm260x_dapm_widgets[] = { +SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1), +SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), +SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0), + +SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, NULL, 0), + +SND_SOC_DAPM_OUTPUT("LOUT"), +SND_SOC_DAPM_OUTPUT("ROUT"), +SND_SOC_DAPM_INPUT("RLINEIN"), +SND_SOC_DAPM_INPUT("LLINEIN"), +}; + +static const struct snd_soc_dapm_widget ssm2602_dapm_widgets[] = { +SND_SOC_DAPM_MIXER("Output Mixer", SSM2602_PWR, 4, 1, + ssm260x_output_mixer_controls, + ARRAY_SIZE(ssm260x_output_mixer_controls)), + +SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0, &ssm2602_input_mux_controls), +SND_SOC_DAPM_MICBIAS("Mic Bias", SSM2602_PWR, 1, 1), + +SND_SOC_DAPM_SWITCH_E("Mic Switch", SSM2602_APANA, 1, 1, &mic_ctl, + ssm2602_mic_switch_event, SND_SOC_DAPM_PRE_PMU), + +SND_SOC_DAPM_OUTPUT("LHPOUT"), +SND_SOC_DAPM_OUTPUT("RHPOUT"), +SND_SOC_DAPM_INPUT("MICIN"), +}; + +static const struct snd_soc_dapm_widget ssm2604_dapm_widgets[] = { +SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, + ssm260x_output_mixer_controls, + ARRAY_SIZE(ssm260x_output_mixer_controls) - 1), /* Last element is the mic */ +}; + +static const struct snd_soc_dapm_route ssm260x_routes[] = { + {"DAC", NULL, "Digital Core Power"}, + {"ADC", NULL, "Digital Core Power"}, + + {"Output Mixer", "Line Bypass Switch", "Line Input"}, + {"Output Mixer", "HiFi Playback Switch", "DAC"}, + + {"ROUT", NULL, "Output Mixer"}, + {"LOUT", NULL, "Output Mixer"}, + + {"Line Input", NULL, "LLINEIN"}, + {"Line Input", NULL, "RLINEIN"}, +}; + +static const struct snd_soc_dapm_route ssm2602_routes[] = { + {"Output Mixer", "Mic Sidetone Switch", "Mic Bias"}, + + {"RHPOUT", NULL, "Output Mixer"}, + {"LHPOUT", NULL, "Output Mixer"}, + + {"Input Mux", "Line", "Line Input"}, + {"Input Mux", "Mic", "Mic Switch"}, + {"ADC", NULL, "Input Mux"}, + + {"Mic Switch", NULL, "Mic Bias"}, + + {"Mic Bias", NULL, "MICIN"}, +}; + +static const struct snd_soc_dapm_route ssm2604_routes[] = { + {"ADC", NULL, "Line Input"}, +}; + +static const unsigned int ssm2602_rates_12288000[] = { + 8000, 16000, 32000, 48000, 96000, +}; + +static const struct snd_pcm_hw_constraint_list ssm2602_constraints_12288000 = { + .list = ssm2602_rates_12288000, + .count = ARRAY_SIZE(ssm2602_rates_12288000), +}; + +static const unsigned int ssm2602_rates_11289600[] = { + 8000, 11025, 22050, 44100, 88200, +}; + +static const struct snd_pcm_hw_constraint_list ssm2602_constraints_11289600 = { + .list = ssm2602_rates_11289600, + .count = ARRAY_SIZE(ssm2602_rates_11289600), +}; + +struct ssm2602_coeff { + u32 mclk; + u32 rate; + u8 srate; +}; + +#define SSM2602_COEFF_SRATE(sr, bosr, usb) (((sr) << 2) | ((bosr) << 1) | (usb)) + +/* codec mclk clock coefficients */ +static const struct ssm2602_coeff ssm2602_coeff_table[] = { + /* 48k */ + {12288000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x0)}, + {18432000, 48000, SSM2602_COEFF_SRATE(0x0, 0x1, 0x0)}, + {12000000, 48000, SSM2602_COEFF_SRATE(0x0, 0x0, 0x1)}, + + /* 32k */ + {12288000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x0)}, + {18432000, 32000, SSM2602_COEFF_SRATE(0x6, 0x1, 0x0)}, + {12000000, 32000, SSM2602_COEFF_SRATE(0x6, 0x0, 0x1)}, + + /* 16k */ + {12288000, 16000, SSM2602_COEFF_SRATE(0x5, 0x0, 0x0)}, + {18432000, 16000, SSM2602_COEFF_SRATE(0x5, 0x1, 0x0)}, + {12000000, 16000, SSM2602_COEFF_SRATE(0xa, 0x0, 0x1)}, + + /* 8k */ + {12288000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x0)}, + {18432000, 8000, SSM2602_COEFF_SRATE(0x3, 0x1, 0x0)}, + {11289600, 8000, SSM2602_COEFF_SRATE(0xb, 0x0, 0x0)}, + {16934400, 8000, SSM2602_COEFF_SRATE(0xb, 0x1, 0x0)}, + {12000000, 8000, SSM2602_COEFF_SRATE(0x3, 0x0, 0x1)}, + + /* 96k */ + {12288000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x0)}, + {18432000, 96000, SSM2602_COEFF_SRATE(0x7, 0x1, 0x0)}, + {12000000, 96000, SSM2602_COEFF_SRATE(0x7, 0x0, 0x1)}, + + /* 11.025k */ + {11289600, 11025, SSM2602_COEFF_SRATE(0xc, 0x0, 0x0)}, + {16934400, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x0)}, + {12000000, 11025, SSM2602_COEFF_SRATE(0xc, 0x1, 0x1)}, + + /* 22.05k */ + {11289600, 22050, SSM2602_COEFF_SRATE(0xd, 0x0, 0x0)}, + {16934400, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x0)}, + {12000000, 22050, SSM2602_COEFF_SRATE(0xd, 0x1, 0x1)}, + + /* 44.1k */ + {11289600, 44100, SSM2602_COEFF_SRATE(0x8, 0x0, 0x0)}, + {16934400, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x0)}, + {12000000, 44100, SSM2602_COEFF_SRATE(0x8, 0x1, 0x1)}, + + /* 88.2k */ + {11289600, 88200, SSM2602_COEFF_SRATE(0xf, 0x0, 0x0)}, + {16934400, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x0)}, + {12000000, 88200, SSM2602_COEFF_SRATE(0xf, 0x1, 0x1)}, +}; + +static inline int ssm2602_get_coeff(int mclk, int rate) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ssm2602_coeff_table); i++) { + if (ssm2602_coeff_table[i].rate == rate && + ssm2602_coeff_table[i].mclk == mclk) + return ssm2602_coeff_table[i].srate; + } + return -EINVAL; +} + +static int ssm2602_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + int srate = ssm2602_get_coeff(ssm2602->sysclk, params_rate(params)); + unsigned int iface; + + if (srate < 0) + return srate; + + regmap_write(ssm2602->regmap, SSM2602_SRATE, srate); + + /* bit size */ + switch (params_width(params)) { + case 16: + iface = 0x0; + break; + case 20: + iface = 0x4; + break; + case 24: + iface = 0x8; + break; + case 32: + iface = 0xc; + break; + default: + return -EINVAL; + } + regmap_update_bits(ssm2602->regmap, SSM2602_IFACE, + IFACE_AUDIO_DATA_LEN, iface); + return 0; +} + +static int ssm2602_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + + if (ssm2602->sysclk_constraints) { + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + ssm2602->sysclk_constraints); + } + + return 0; +} + +static int ssm2602_mute(struct snd_soc_dai *dai, int mute, int direction) +{ + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(dai->component); + + if (mute) + regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, + APDIGI_ENABLE_DAC_MUTE, + APDIGI_ENABLE_DAC_MUTE); + else + regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, + APDIGI_ENABLE_DAC_MUTE, 0); + return 0; +} + +static int ssm2602_set_dai_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_component *component = codec_dai->component; + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + + if (dir == SND_SOC_CLOCK_IN) { + if (clk_id != SSM2602_SYSCLK) + return -EINVAL; + + switch (freq) { + case 12288000: + case 18432000: + ssm2602->sysclk_constraints = &ssm2602_constraints_12288000; + break; + case 11289600: + case 16934400: + ssm2602->sysclk_constraints = &ssm2602_constraints_11289600; + break; + case 12000000: + ssm2602->sysclk_constraints = NULL; + break; + default: + return -EINVAL; + } + ssm2602->sysclk = freq; + } else { + unsigned int mask; + + switch (clk_id) { + case SSM2602_CLK_CLKOUT: + mask = PWR_CLK_OUT_PDN; + break; + case SSM2602_CLK_XTO: + mask = PWR_OSC_PDN; + break; + default: + return -EINVAL; + } + + if (freq == 0) + ssm2602->clk_out_pwr |= mask; + else + ssm2602->clk_out_pwr &= ~mask; + + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, + PWR_CLK_OUT_PDN | PWR_OSC_PDN, ssm2602->clk_out_pwr); + } + + return 0; +} + +static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, + unsigned int fmt) +{ + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(codec_dai->component); + unsigned int iface = 0; + + /* set master/slave audio interface */ + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBP_CFP: + iface |= 0x0040; + break; + case SND_SOC_DAIFMT_CBC_CFC: + break; + default: + return -EINVAL; + } + + /* interface format */ + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + iface |= 0x0002; + break; + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + iface |= 0x0001; + break; + case SND_SOC_DAIFMT_DSP_A: + iface |= 0x0013; + break; + case SND_SOC_DAIFMT_DSP_B: + iface |= 0x0003; + break; + default: + return -EINVAL; + } + + /* clock inversion */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + iface |= 0x0090; + break; + case SND_SOC_DAIFMT_IB_NF: + iface |= 0x0080; + break; + case SND_SOC_DAIFMT_NB_IF: + iface |= 0x0010; + break; + default: + return -EINVAL; + } + + /* set iface */ + regmap_write(ssm2602->regmap, SSM2602_IFACE, iface); + return 0; +} + +static int ssm2602_set_bias_level(struct snd_soc_component *component, + enum snd_soc_bias_level level) +{ + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + + switch (level) { + case SND_SOC_BIAS_ON: + /* vref/mid on, osc and clkout on if enabled */ + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, + PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, + ssm2602->clk_out_pwr); + break; + case SND_SOC_BIAS_PREPARE: + break; + case SND_SOC_BIAS_STANDBY: + /* everything off except vref/vmid, */ + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, + PWR_POWER_OFF | PWR_CLK_OUT_PDN | PWR_OSC_PDN, + PWR_CLK_OUT_PDN | PWR_OSC_PDN); + break; + case SND_SOC_BIAS_OFF: + /* everything off */ + regmap_update_bits(ssm2602->regmap, SSM2602_PWR, + PWR_POWER_OFF, PWR_POWER_OFF); + break; + + } + return 0; +} + +#define SSM2602_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ + SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ + SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000) + +#define SSM2602_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static const struct snd_soc_dai_ops ssm2602_dai_ops = { + .startup = ssm2602_startup, + .hw_params = ssm2602_hw_params, + .mute_stream = ssm2602_mute, + .set_sysclk = ssm2602_set_dai_sysclk, + .set_fmt = ssm2602_set_dai_fmt, + .no_capture_mute = 1, +}; + +static struct snd_soc_dai_driver ssm2602_dai = { + .name = "ssm2602-hifi", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SSM2602_RATES, + .formats = SSM2602_FORMATS,}, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SSM2602_RATES, + .formats = SSM2602_FORMATS,}, + .ops = &ssm2602_dai_ops, + .symmetric_rate = 1, + .symmetric_sample_bits = 1, +}; + +static int ssm2602_resume(struct snd_soc_component *component) +{ + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + + regcache_sync(ssm2602->regmap); + + return 0; +} + +static int ssm2602_component_probe(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + int ret; + + regmap_update_bits(ssm2602->regmap, SSM2602_LOUT1V, + LOUT1V_LRHP_BOTH, LOUT1V_LRHP_BOTH); + regmap_update_bits(ssm2602->regmap, SSM2602_ROUT1V, + ROUT1V_RLHP_BOTH, ROUT1V_RLHP_BOTH); + + ret = snd_soc_add_component_controls(component, ssm2602_snd_controls, + ARRAY_SIZE(ssm2602_snd_controls)); + if (ret) + return ret; + + ret = snd_soc_dapm_new_controls(dapm, ssm2602_dapm_widgets, + ARRAY_SIZE(ssm2602_dapm_widgets)); + if (ret) + return ret; + + return snd_soc_dapm_add_routes(dapm, ssm2602_routes, + ARRAY_SIZE(ssm2602_routes)); +} + +static int ssm2604_component_probe(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + int ret; + + ret = snd_soc_dapm_new_controls(dapm, ssm2604_dapm_widgets, + ARRAY_SIZE(ssm2604_dapm_widgets)); + if (ret) + return ret; + + return snd_soc_dapm_add_routes(dapm, ssm2604_routes, + ARRAY_SIZE(ssm2604_routes)); +} + +static int ssm260x_component_probe(struct snd_soc_component *component) +{ + struct ssm2602_priv *ssm2602 = snd_soc_component_get_drvdata(component); + int ret; + + ret = regmap_write(ssm2602->regmap, SSM2602_RESET, 0); + if (ret < 0) { + dev_err(component->dev, "Failed to issue reset: %d\n", ret); + return ret; + } + + regmap_register_patch(ssm2602->regmap, ssm2602_patch, + ARRAY_SIZE(ssm2602_patch)); + + /* set the update bits */ + regmap_update_bits(ssm2602->regmap, SSM2602_LINVOL, + LINVOL_LRIN_BOTH, LINVOL_LRIN_BOTH); + regmap_update_bits(ssm2602->regmap, SSM2602_RINVOL, + RINVOL_RLIN_BOTH, RINVOL_RLIN_BOTH); + /*select Line in as default input*/ + regmap_write(ssm2602->regmap, SSM2602_APANA, APANA_SELECT_DAC | + APANA_ENABLE_MIC_BOOST); + + switch (ssm2602->type) { + case SSM2602: + ret = ssm2602_component_probe(component); + break; + case SSM2604: + ret = ssm2604_component_probe(component); + break; + } + + return ret; +} + +static const struct snd_soc_component_driver soc_component_dev_ssm2602 = { + .probe = ssm260x_component_probe, + .resume = ssm2602_resume, + .set_bias_level = ssm2602_set_bias_level, + .controls = ssm260x_snd_controls, + .num_controls = ARRAY_SIZE(ssm260x_snd_controls), + .dapm_widgets = ssm260x_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ssm260x_dapm_widgets), + .dapm_routes = ssm260x_routes, + .num_dapm_routes = ARRAY_SIZE(ssm260x_routes), + .suspend_bias_off = 1, + .idle_bias_on = 1, + .use_pmdown_time = 1, + .endianness = 1, +}; + +static bool ssm2602_register_volatile(struct device *dev, unsigned int reg) +{ + return reg == SSM2602_RESET; +} + +const struct regmap_config ssm2602_regmap_config = { + .val_bits = 9, + .reg_bits = 7, + + .max_register = SSM2602_RESET, + .volatile_reg = ssm2602_register_volatile, + + .cache_type = REGCACHE_RBTREE, + .reg_defaults = ssm2602_reg, + .num_reg_defaults = ARRAY_SIZE(ssm2602_reg), +}; +EXPORT_SYMBOL_GPL(ssm2602_regmap_config); + +int ssm2602_probe(struct device *dev, enum ssm2602_type type, + struct regmap *regmap) +{ + struct ssm2602_priv *ssm2602; + + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + ssm2602 = devm_kzalloc(dev, sizeof(*ssm2602), GFP_KERNEL); + if (ssm2602 == NULL) + return -ENOMEM; + + dev_set_drvdata(dev, ssm2602); + ssm2602->type = type; + ssm2602->regmap = regmap; + + return devm_snd_soc_register_component(dev, &soc_component_dev_ssm2602, + &ssm2602_dai, 1); +} +EXPORT_SYMBOL_GPL(ssm2602_probe); + +MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 driver"); +MODULE_AUTHOR("Cliff Cai"); +MODULE_LICENSE("GPL"); |