forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
671 lines
18 KiB
671 lines
18 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
// |
|
// File: sound/soc/codecs/ssm2602.c |
|
// Author: Cliff Cai <[email protected]> |
|
// |
|
// 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 } |
|
}; |
|
|
|
|
|
/*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_MASTER_MASK) { |
|
case SND_SOC_DAIFMT_CBM_CFM: |
|
iface |= 0x0040; |
|
break; |
|
case SND_SOC_DAIFMT_CBS_CFS: |
|
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; |
|
} |
|
|
|
/* 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, |
|
.non_legacy_dai_naming = 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");
|
|
|