// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common code for ADAU1X61 and ADAU1X81 codecs
*
* Copyright 2011-2014 Analog Devices Inc.
* Author: Lars-Peter Clausen <[email protected]>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/unaligned.h>
#include "sigmadsp.h"
#include "adau17x1.h"
#include "adau-utils.h"
#define ADAU17X1_SAFELOAD_TARGET_ADDRESS 0x0006
#define ADAU17X1_SAFELOAD_TRIGGER 0x0007
#define ADAU17X1_SAFELOAD_DATA 0x0001
#define ADAU17X1_SAFELOAD_DATA_SIZE 20
#define ADAU17X1_WORD_SIZE 4
static const char * const adau17x1_capture_mixer_boost_text[] = {
"Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3",
};
static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum,
ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text);
static const char * const adau17x1_mic_bias_mode_text[] = {
"Normal operation", "High performance",
};
static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum,
ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text);
static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0);
static const struct snd_kcontrol_new adau17x1_controls[] = {
SOC_DOUBLE_R_TLV("Digital Capture Volume",
ADAU17X1_LEFT_INPUT_DIGITAL_VOL,
ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,
0, 0xff, 1, adau17x1_digital_tlv),
SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1,
ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv),
SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL,
5, 1, 0),
SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0,
2, 1, 0),
SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum),
SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum),
};
static int adau17x1_setup_firmware(struct snd_soc_component *component,
unsigned int rate);
static int adau17x1_pll_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 adau *adau = snd_soc_component_get_drvdata(component);
if (SND_SOC_DAPM_EVENT_ON(event)) {
adau->pll_regs[5] = 1;
} else {
adau->pll_regs[5] = 0;
/* Bypass the PLL when disabled, otherwise registers will become
* inaccessible. */
regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
}
/* The PLL register is 6 bytes long and can only be written at once. */
regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
if (SND_SOC_DAPM_EVENT_ON(event)) {
mdelay(5);
regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
}
return 0;
}
static int adau17x1_adc_fixup(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 adau *adau = snd_soc_component_get_drvdata(component);
/*
* If we are capturing, toggle the ADOSR bit in Converter Control 0 to
* avoid losing SNR (workaround from ADI). This must be done after
* the ADC(s) have been enabled. According to the data sheet, it is
* normally illegal to set this bit when the sampling rate is 96 kHz,
* but according to ADI it is acceptable for this workaround.
*/
regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
ADAU17X1_CONVERTER0_ADOSR, ADAU17X1_CONVERTER0_ADOSR);
regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
ADAU17X1_CONVERTER0_ADOSR, 0);
return 0;
}
static const char * const adau17x1_mono_stereo_text[] = {
"Stereo",
"Mono Left Channel (L+R)",
"Mono Right Channel (L+R)",
"Mono (L+R)",
};
static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum,
ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text);
static const struct snd_kcontrol_new adau17x1_dac_mode_mux =
SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum);
static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
1, 0, NULL, 0),
SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0,
&adau17x1_dac_mode_mux),
SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0,
&adau17x1_dac_mode_mux),
SND_SOC_DAPM_ADC_E("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0,
adau17x1_adc_fixup, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0),
SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0),
SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0),
};
static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = {
{ "Left Decimator", NULL, "SYSCLK" },
{ "Right Decimator", NULL, "SYSCLK" },
{ "Left DAC", NULL, "SYSCLK" },
{ "Right DAC", NULL, "SYSCLK" },
{ "Capture", NULL, "SYSCLK" },
{ "Playback", NULL, "SYSCLK" },
{ "Left DAC", NULL, "Left DAC Mode Mux" },
{ "Right DAC", NULL, "Right DAC Mode Mux" },
{ "Capture", NULL, "AIFCLK" },
{ "Playback", NULL, "AIFCLK" },
};
static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = {
"SYSCLK", NULL, "PLL",
};
/*
* The MUX register for the Capture and Playback MUXs selects either DSP as
* source/destination or one of the TDM slots. The TDM slot is selected via
* snd_soc_dai_set_tdm_slot(), so we only expose whether to go to the DSP or
* directly to the DAI interface with this control.
*/
static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct adau *adau = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
struct snd_soc_dapm_update update = {};
unsigned int stream = e->shift_l;
unsigned int val, change;
int reg;
if (ucontrol->value.enumerated.item[0] >= e->items)
return -EINVAL;
switch (ucontrol->value.enumerated.item[0]) {
case 0:
val = 0;
adau->dsp_bypass[stream] = false;
break;
default:
val = (adau->tdm_slot[stream] * 2) + 1;
adau->dsp_bypass[stream] = true;
break;
}
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = ADAU17X1_SERIAL_INPUT_ROUTE;
else
reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
change = snd_soc_component_test_bits(component, reg, 0xff, val);
if (change) {
update.kcontrol = kcontrol;
update.mask = 0xff;
update.reg = reg;
update.val = val;
snd_soc_dapm_mux_update_power(dapm, kcontrol,
ucontrol->value.enumerated.item[0], e, &update);
}
return change;
}
static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
struct adau *adau = snd_soc_component_get_drvdata(component);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int stream = e->shift_l;
unsigned int reg, val;
int ret;
if (stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = ADAU17X1_SERIAL_INPUT_ROUTE;
else
reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
ret = regmap_read(adau->regmap, reg, &val);
if (ret)
return ret;
if (val != 0)
val = 1;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
#define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \
const struct snd_kcontrol_new _name = \
SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\
SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \
ARRAY_SIZE(_text), _text), \
adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put)
static const char * const adau17x1_dac_mux_text[] = {
"DSP",
"AIFIN",
};
static const char * const adau17x1_capture_mux_text[] = {
"DSP",
"Decimator",
};
static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux",
SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text);
static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux",
SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text);
static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = {
SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0),
SND_SOC_DAPM_SIGGEN("DSP Siggen"),
SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0,
&adau17x1_dac_mux),
SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
&adau17x1_capture_mux),
};
static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = {
{ "DAC Playback Mux", "DSP", "DSP" },
{ "DAC Playback Mux", "AIFIN", "Playback" },
{ "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" },
{ "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
{ "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" },
{ "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" },
{ "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
{ "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" },
{ "Capture Mux", "DSP", "DSP" },
{ "Capture Mux", "Decimator", "Left Decimator" },
{ "Capture Mux", "Decimator", "Right Decimator" },
{ "Capture", NULL, "Capture Mux" },
{ "DSP", NULL, "DSP Siggen" },
{ "DSP", NULL, "Left Decimator" },
{ "DSP", NULL, "Right Decimator" },
{ "DSP", NULL, "Playback" },
};
static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = {
{ "Left DAC Mode Mux", "Stereo", "Playback" },
{ "Left DAC Mode Mux", "Mono (L+R)", "Playback" },
{ "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" },
{ "Right DAC Mode Mux", "Stereo", "Playback" },
{ "Right DAC Mode Mux", "Mono (L+R)", "Playback" },
{ "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" },
{ "Capture", NULL, "Left Decimator" },
{ "Capture", NULL, "Right Decimator" },
};
static bool adau17x1_has_dsp(struct adau *adau)
{
switch (adau->type) {
case ADAU1761:
case ADAU1381:
case ADAU1781:
return true;
default:
return false;
}
}
/* Chip has a DSP but we're pretending it doesn't. */
static bool adau17x1_has_disused_dsp(struct adau *adau)
{
switch (adau->type) {
case ADAU1761_AS_1361:
return true;
default:
return false;
}
}
static bool adau17x1_has_safeload(struct adau *adau)
{
switch (adau->type) {
case ADAU1761:
case ADAU1781:
return true;
default:
return false;
}
}
static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
int source, unsigned int freq_in, unsigned int freq_out)
{
struct snd_soc_component *component = dai->component;
struct adau *adau = snd_soc_component_get_drvdata(component);
int ret;
if (freq_in < 8000000 || freq_in > 27000000)
return -EINVAL;
ret = adau_calc_pll_cfg(freq_in, freq_out, adau->pll_regs);
if (ret < 0)
return ret;
/* The PLL register is 6 bytes long and can only be written at once. */
ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
if (ret)
return ret;
adau->pll_freq = freq_out;
return 0;
}
static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(dai->component);
struct adau *adau = snd_soc_component_get_drvdata(dai->component);
bool is_pll;
bool was_pll;
switch (clk_id) {
case ADAU17X1_CLK_SRC_MCLK:
is_pll = false;
break;
case ADAU17X1_CLK_SRC_PLL_AUTO:
if (!adau->mclk)
return -EINVAL;
fallthrough;
case ADAU17X1_CLK_SRC_PLL:
is_pll = true;
break;
default:
return -EINVAL;
}
switch (adau->clk_src) {
case ADAU17X1_CLK_SRC_MCLK:
was_pll = false;
break;
case ADAU17X1_CLK_SRC_PLL:
case ADAU17X1_CLK_SRC_PLL_AUTO:
was_pll = true;
break;
default:
return -EINVAL;
}
adau->sysclk = freq;
if (is_pll != was_pll) {
if (is_pll) {
snd_soc_dapm_add_routes(dapm,
&adau17x1_dapm_pll_route, 1);
} else {
snd_soc_dapm_del_routes(dapm,
&adau17x1_dapm_pll_route, 1);
}
}
adau->clk_src = clk_id;
return 0;
}
static int adau17x1_auto_pll(struct snd_soc_dai *dai,
struct snd_pcm_hw_params *params)
{
struct adau *adau = snd_soc_dai_get_drvdata(dai);
unsigned int pll_rate;
switch (params_rate(params)) {
case 48000:
case 8000:
case 12000:
case 16000:
case 24000:
case 32000:
case 96000:
pll_rate = 48000 * 1024;
break;
case 44100:
case 7350:
case 11025:
case 14700:
case 22050:
case 29400:
case 88200:
pll_rate = 44100 * 1024;
break;
default:
return -EINVAL;
}
return adau17x1_set_dai_pll(dai, ADAU17X1_PLL, ADAU17X1_PLL_SRC_MCLK,
clk_get_rate(adau->mclk), pll_rate);
}
static int adau17x1_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 adau *adau = snd_soc_component_get_drvdata(component);
unsigned int val, div, dsp_div;
unsigned int freq;
int ret;
switch (adau->clk_src) {
case ADAU17X1_CLK_SRC_PLL_AUTO:
ret = adau17x1_auto_pll(dai, params);
if (ret)
return ret;
fallthrough;
case ADAU17X1_CLK_SRC_PLL:
freq = adau->pll_freq;
break;
default:
freq = adau->sysclk;
break;
}
if (freq % params_rate(params) != 0)
return -EINVAL;
switch (freq / params_rate(params)) {
case 1024: /* fs */
div = 0;
dsp_div = 1;
break;
case 6144: /* fs / 6 */
div = 1;
dsp_div = 6;
break;
case 4096: /* fs / 4 */
div = 2;
dsp_div = 5;
break;
case 3072: /* fs / 3 */
div = 3;
dsp_div = 4;
break;
case 2048: /* fs / 2 */
div = 4;
dsp_div = 3;
break;
case 1536: /* fs / 1.5 */
div = 5;
dsp_div = 2;
break;
case 512: /* fs / 0.5 */
div = 6;
dsp_div = 0;
break;
default:
return -EINVAL;
}
regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
ADAU17X1_CONVERTER0_CONVSR_MASK, div);
if (adau17x1_has_dsp(adau) || adau17x1_has_disused_dsp(adau))
regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div);
if (adau17x1_has_dsp(adau))
regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div);
if (adau->sigmadsp) {
ret = adau17x1_setup_firmware(component, params_rate(params));
if (ret < 0)
return ret;
}
if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
return 0;
switch (params_width(params)) {
case 16:
val = ADAU17X1_SERIAL_PORT1_DELAY16;
break;
case 24:
val = ADAU17X1_SERIAL_PORT1_DELAY8;
break;
case 32:
val = ADAU17X1_SERIAL_PORT1_DELAY0;
break;
default:
return -EINVAL;
}
return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
ADAU17X1_SERIAL_PORT1_DELAY_MASK, val);
}
static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai,
unsigned int fmt)
{
struct adau *adau = snd_soc_component_get_drvdata(dai->component);
unsigned int ctrl0, ctrl1;
unsigned int ctrl0_mask;
int lrclk_pol;
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
case SND_SOC_DAIFMT_CBP_CFP:
ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER;
adau->master = true;
break;
case SND_SOC_DAIFMT_CBC_CFC:
ctrl0 = 0;
adau->master = false;
break;
default:
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
lrclk_pol = 0;
ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
break;
case SND_SOC_DAIFMT_LEFT_J:
case SND_SOC_DAIFMT_RIGHT_J:
lrclk_pol = 1;
ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
break;
case SND_SOC_DAIFMT_DSP_A:
lrclk_pol = 1;
ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
break;
case SND_SOC_DAIFMT_DSP_B:
lrclk_pol = 1;
ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
break;
default:
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_NF:
ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
break;
case SND_SOC_DAIFMT_NB_IF:
lrclk_pol = !lrclk_pol;
break;
case SND_SOC_DAIFMT_IB_IF:
ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
lrclk_pol = !lrclk_pol;
break;
default:
return -EINVAL;
}
if (lrclk_pol)
ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL;
/* Set the mask to update all relevant bits in ADAU17X1_SERIAL_PORT0 */
ctrl0_mask = ADAU17X1_SERIAL_PORT0_MASTER |
ADAU17X1_SERIAL_PORT0_LRCLK_POL |
ADAU17X1_SERIAL_PORT0_BCLK_POL |
ADAU17X1_SERIAL_PORT0_PULSE_MODE;
regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0_mask,
ctrl0);
regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
ADAU17X1_SERIAL_PORT1_DELAY_MASK, ctrl1);
adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
return 0;
}
static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai,
unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
{
struct adau *adau = snd_soc_component_get_drvdata(dai->component);
unsigned int ser_ctrl0, ser_ctrl1;
unsigned int conv_ctrl0, conv_ctrl1;
/* I2S mode */
if (slots == 0) {
slots = 2;
rx_mask = 3;
tx_mask = 3;
slot_width = 32;
}
switch (slots) {
case 2:
ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO;
break;
case 4:
ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4;
break;
case 8:
if (adau->type == ADAU1361)
return -EINVAL;
ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8;
break;
default:
return -EINVAL;
}
switch (slot_width * slots) {
case 32:
if (adau->type == ADAU1761 || adau->type == ADAU1761_AS_1361)
return -EINVAL;
ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32;
break;
case 64:
ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64;
break;
case 48:
ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48;
break;
case 128:
ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128;
break;
case 256:
if (adau->type == ADAU1361)
return -EINVAL;
ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256;
break;
default:
return -EINVAL;
}
switch (rx_mask) {
case 0x03:
conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1);
adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0;
break;
case 0x0c:
conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2);
adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1;
break;
case 0x30:
conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3);
adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2;
break;
case 0xc0:
conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4);
adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3;
break;
default:
return -EINVAL;
}
switch (tx_mask) {
case 0x03:
conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1);
adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0;
break;
case 0x0c:
conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2);
adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1;
break;
case 0x30:
conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3);
adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2;
break;
case 0xc0:
conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4);
adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3;
break;
default:
return -EINVAL;
}
regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0);
regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1,
ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1);
regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0,
ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0);
regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1);
if (!adau17x1_has_dsp(adau) && !adau17x1_has_disused_dsp(adau))
return 0;
if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) {
regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE,
(adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1);
}
if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) {
regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE,
(adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1);
}
return 0;
}
static int adau17x1_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct adau *adau = snd_soc_component_get_drvdata(dai->component);
if (adau->sigmadsp)
return sigmadsp_restrict_params(adau->sigmadsp, substream);
return 0;
}
const struct snd_soc_dai_ops adau17x1_dai_ops = {
.hw_params = adau17x1_hw_params,
.set_sysclk = adau17x1_set_dai_sysclk,
.set_fmt = adau17x1_set_dai_fmt,
.set_pll = adau17x1_set_dai_pll,
.set_tdm_slot = adau17x1_set_dai_tdm_slot,
.startup = adau17x1_startup,
};
EXPORT_SYMBOL_GPL(adau17x1_dai_ops);
int adau17x1_set_micbias_voltage(struct snd_soc_component *component,
enum adau17x1_micbias_voltage micbias)
{
struct adau *adau = snd_soc_component_get_drvdata(component);
switch (micbias) {
case ADAU17X1_MICBIAS_0_90_AVDD:
case ADAU17X1_MICBIAS_0_65_AVDD:
break;
default:
return -EINVAL;
}
return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2);
}
EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage);
bool adau17x1_precious_register(struct device *dev, unsigned int reg)
{
/* SigmaDSP parameter memory */
if (reg < 0x400)
return true;
return false;
}
EXPORT_SYMBOL_GPL(adau17x1_precious_register);
bool adau17x1_readable_register(struct device *dev, unsigned int reg)
{
/* SigmaDSP parameter memory */
if (reg < 0x400)
return true;
switch (reg) {
case ADAU17X1_CLOCK_CONTROL:
case ADAU17X1_PLL_CONTROL:
case ADAU17X1_REC_POWER_MGMT:
case ADAU17X1_MICBIAS:
case ADAU17X1_SERIAL_PORT0:
case ADAU17X1_SERIAL_PORT1:
case ADAU17X1_CONVERTER0:
case ADAU17X1_CONVERTER1:
case ADAU17X1_LEFT_INPUT_DIGITAL_VOL:
case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL:
case ADAU17X1_ADC_CONTROL:
case ADAU17X1_PLAY_POWER_MGMT:
case ADAU17X1_DAC_CONTROL0:
case ADAU17X1_DAC_CONTROL1:
case ADAU17X1_DAC_CONTROL2:
case ADAU17X1_SERIAL_PORT_PAD:
case ADAU17X1_CONTROL_PORT_PAD0:
case ADAU17X1_CONTROL_PORT_PAD1:
case ADAU17X1_DSP_SAMPLING_RATE:
case ADAU17X1_SERIAL_INPUT_ROUTE:
case ADAU17X1_SERIAL_OUTPUT_ROUTE:
case ADAU17X1_DSP_ENABLE:
case ADAU17X1_DSP_RUN:
case ADAU17X1_SERIAL_SAMPLING_RATE:
return true;
default:
break;
}
return false;
}
EXPORT_SYMBOL_GPL(adau17x1_readable_register);
bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
{
/* SigmaDSP parameter and program memory */
if (reg < 0x4000)
return true;
switch (reg) {
/* The PLL register is 6 bytes long */
case ADAU17X1_PLL_CONTROL:
case ADAU17X1_PLL_CONTROL + 1:
case ADAU17X1_PLL_CONTROL + 2:
case ADAU17X1_PLL_CONTROL + 3:
case ADAU17X1_PLL_CONTROL + 4:
case ADAU17X1_PLL_CONTROL + 5:
return true;
default:
break;
}
return false;
}
EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
static int adau17x1_setup_firmware(struct snd_soc_component *component,
unsigned int rate)
{
int ret;
int dspsr, dsp_run;
struct adau *adau = snd_soc_component_get_drvdata(component);
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
/* Check if sample rate is the same as before. If it is there is no
* point in performing the below steps as the call to
* sigmadsp_setup(...) will return directly when it finds the sample
* rate to be the same as before. By checking this we can prevent an
* audiable popping noise which occours when toggling DSP_RUN.
*/
if (adau->sigmadsp->current_samplerate == rate)
return 0;
snd_soc_dapm_mutex_lock(dapm);
ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
if (ret)
goto err;
ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run);
if (ret)
goto err;
regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0);
ret = sigmadsp_setup(adau->sigmadsp, rate);
if (ret) {
regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
goto err;
}
regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run);
err:
snd_soc_dapm_mutex_unlock(dapm);
return ret;
}
int adau17x1_add_widgets(struct snd_soc_component *component)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct adau *adau = snd_soc_component_get_drvdata(component);
int ret;
ret = snd_soc_add_component_controls(component, adau17x1_controls,
ARRAY_SIZE(adau17x1_controls));
if (ret)
return ret;
ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets,
ARRAY_SIZE(adau17x1_dapm_widgets));
if (ret)
return ret;
if (adau17x1_has_dsp(adau)) {
ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets,
ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
if (ret)
return ret;
if (!adau->sigmadsp)
return 0;
ret = sigmadsp_attach(adau->sigmadsp, component);
if (ret) {
dev_err(component->dev, "Failed to attach firmware: %d\n",
ret);
return ret;
}
}
return 0;
}
EXPORT_SYMBOL_GPL(adau17x1_add_widgets);
int adau17x1_add_routes(struct snd_soc_component *component)
{
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct adau *adau = snd_soc_component_get_drvdata(component);
int ret;
ret = snd_soc_dapm_add_routes(dapm, adau17x1_dapm_routes,
ARRAY_SIZE(adau17x1_dapm_routes));
if (ret)
return ret;
if (adau17x1_has_dsp(adau)) {
ret = snd_soc_dapm_add_routes(dapm, adau17x1_dsp_dapm_routes,
ARRAY_SIZE(adau17x1_dsp_dapm_routes));
} else {
ret = snd_soc_dapm_add_routes(dapm, adau17x1_no_dsp_dapm_routes,
ARRAY_SIZE(adau17x1_no_dsp_dapm_routes));
}
if (adau->clk_src != ADAU17X1_CLK_SRC_MCLK)
snd_soc_dapm_add_routes(dapm, &adau17x1_dapm_pll_route, 1);
return ret;
}
EXPORT_SYMBOL_GPL(adau17x1_add_routes);
int adau17x1_resume(struct snd_soc_component *component)
{
struct adau *adau = snd_soc_component_get_drvdata(component);
if (adau->switch_mode)
adau->switch_mode(component->dev);
regcache_sync(adau->regmap);
return 0;
}
EXPORT_SYMBOL_GPL(adau17x1_resume);
static int adau17x1_safeload(struct sigmadsp *sigmadsp, unsigned int addr,
const uint8_t bytes[], size_t len)
{
uint8_t buf[ADAU17X1_WORD_SIZE];
uint8_t data[ADAU17X1_SAFELOAD_DATA_SIZE];
unsigned int addr_offset;
unsigned int nbr_words;
int ret;
/* write data to safeload addresses. Check if len is not a multiple of
* 4 bytes, if so we need to zero pad.
*/
nbr_words = len / ADAU17X1_WORD_SIZE;
if ((len - nbr_words * ADAU17X1_WORD_SIZE) == 0) {
ret = regmap_raw_write(sigmadsp->control_data,
ADAU17X1_SAFELOAD_DATA, bytes, len);
} else {
nbr_words++;
memset(data, 0, ADAU17X1_SAFELOAD_DATA_SIZE);
memcpy(data, bytes, len);
ret = regmap_raw_write(sigmadsp->control_data,
ADAU17X1_SAFELOAD_DATA, data,
nbr_words * ADAU17X1_WORD_SIZE);
}
if (ret < 0)
return ret;
/* Write target address, target address is offset by 1 */
addr_offset = addr - 1;
put_unaligned_be32(addr_offset, buf);
ret = regmap_raw_write(sigmadsp->control_data,
ADAU17X1_SAFELOAD_TARGET_ADDRESS, buf, ADAU17X1_WORD_SIZE);
if (ret < 0)
return ret;
/* write nbr of words to trigger address */
put_unaligned_be32(nbr_words, buf);
ret = regmap_raw_write(sigmadsp->control_data,
ADAU17X1_SAFELOAD_TRIGGER, buf, ADAU17X1_WORD_SIZE);
if (ret < 0)
return ret;
return 0;
}
static const struct sigmadsp_ops adau17x1_sigmadsp_ops = {
.safeload = adau17x1_safeload,
};
int adau17x1_probe(struct device *dev, struct regmap *regmap,
enum adau17x1_type type, void (*switch_mode)(struct device *dev),
const char *firmware_name)
{
struct adau *adau;
int ret;
if (IS_ERR(regmap))
return PTR_ERR(regmap);
adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL);
if (!adau)
return -ENOMEM;
/* Clock is optional (for the driver) */
adau->mclk = devm_clk_get_optional(dev, "mclk");
if (IS_ERR(adau->mclk))
return PTR_ERR(adau->mclk);
if (adau->mclk) {
adau->clk_src = ADAU17X1_CLK_SRC_PLL_AUTO;
/*
* Any valid PLL output rate will work at this point, use one
* that is likely to be chosen later as well. The register will
* be written when the PLL is powered up for the first time.
*/
ret = adau_calc_pll_cfg(clk_get_rate(adau->mclk), 48000 * 1024,
adau->pll_regs);
if (ret < 0)
return ret;
ret = clk_prepare_enable(adau->mclk);
if (ret)
return ret;
}
adau->regmap = regmap;
adau->switch_mode = switch_mode;
adau->type = type;
dev_set_drvdata(dev, adau);
if (firmware_name) {
if (adau17x1_has_safeload(adau)) {
adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap,
&adau17x1_sigmadsp_ops, firmware_name);
} else {
adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap,
NULL, firmware_name);
}
if (IS_ERR(adau->sigmadsp)) {
dev_warn(dev, "Could not find firmware file: %ld\n",
PTR_ERR(adau->sigmadsp));
adau->sigmadsp = NULL;
}
}
if (switch_mode)
switch_mode(dev);
return 0;
}
EXPORT_SYMBOL_GPL(adau17x1_probe);
void adau17x1_remove(struct device *dev)
{
struct adau *adau = dev_get_drvdata(dev);
clk_disable_unprepare(adau->mclk);
}
EXPORT_SYMBOL_GPL(adau17x1_remove);
MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code");
MODULE_AUTHOR("Lars-Peter Clausen <[email protected]>");
MODULE_LICENSE("GPL");
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