+++ /dev/null
-/*
- * sn95031.c - TI sn95031 Codec driver
- *
- * Copyright (C) 2010 Intel Corp
- * Author: Vinod Koul <vinod.koul@intel.com>
- * Author: Harsha Priya <priya.harsha@intel.com>
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-
-#include <asm/intel_scu_ipc.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <sound/initval.h>
-#include <sound/tlv.h>
-#include <sound/jack.h>
-#include "sn95031.h"
-
-#define SN95031_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_44100)
-#define SN95031_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
-
-/* adc helper functions */
-
-/* enables mic bias voltage */
-static void sn95031_enable_mic_bias(struct snd_soc_codec *codec)
-{
- snd_soc_write(codec, SN95031_VAUD, BIT(2)|BIT(1)|BIT(0));
- snd_soc_update_bits(codec, SN95031_MICBIAS, BIT(2), BIT(2));
-}
-
-/* Enable/Disable the ADC depending on the argument */
-static void configure_adc(struct snd_soc_codec *sn95031_codec, int val)
-{
- int value = snd_soc_read(sn95031_codec, SN95031_ADC1CNTL1);
-
- if (val) {
- /* Enable and start the ADC */
- value |= (SN95031_ADC_ENBL | SN95031_ADC_START);
- value &= (~SN95031_ADC_NO_LOOP);
- } else {
- /* Just stop the ADC */
- value &= (~SN95031_ADC_START);
- }
- snd_soc_write(sn95031_codec, SN95031_ADC1CNTL1, value);
-}
-
-/*
- * finds an empty channel for conversion
- * If the ADC is not enabled then start using 0th channel
- * itself. Otherwise find an empty channel by looking for a
- * channel in which the stopbit is set to 1. returns the index
- * of the first free channel if succeeds or an error code.
- *
- * Context: can sleep
- *
- */
-static int find_free_channel(struct snd_soc_codec *sn95031_codec)
-{
- int i, value;
-
- /* check whether ADC is enabled */
- value = snd_soc_read(sn95031_codec, SN95031_ADC1CNTL1);
-
- if ((value & SN95031_ADC_ENBL) == 0)
- return 0;
-
- /* ADC is already enabled; Looking for an empty channel */
- for (i = 0; i < SN95031_ADC_CHANLS_MAX; i++) {
- value = snd_soc_read(sn95031_codec,
- SN95031_ADC_CHNL_START_ADDR + i);
- if (value & SN95031_STOPBIT_MASK)
- break;
- }
- return (i == SN95031_ADC_CHANLS_MAX) ? (-EINVAL) : i;
-}
-
-/* Initialize the ADC for reading micbias values. Can sleep. */
-static int sn95031_initialize_adc(struct snd_soc_codec *sn95031_codec)
-{
- int base_addr, chnl_addr;
- int value;
- int channel_index;
-
- /* Index of the first channel in which the stop bit is set */
- channel_index = find_free_channel(sn95031_codec);
- if (channel_index < 0) {
- pr_err("No free ADC channels");
- return channel_index;
- }
-
- base_addr = SN95031_ADC_CHNL_START_ADDR + channel_index;
-
- if (!(channel_index == 0 || channel_index == SN95031_ADC_LOOP_MAX)) {
- /* Reset stop bit for channels other than 0 and 12 */
- value = snd_soc_read(sn95031_codec, base_addr);
- /* Set the stop bit to zero */
- snd_soc_write(sn95031_codec, base_addr, value & 0xEF);
- /* Index of the first free channel */
- base_addr++;
- channel_index++;
- }
-
- /* Since this is the last channel, set the stop bit
- to 1 by ORing the DIE_SENSOR_CODE with 0x10 */
- snd_soc_write(sn95031_codec, base_addr,
- SN95031_AUDIO_DETECT_CODE | 0x10);
-
- chnl_addr = SN95031_ADC_DATA_START_ADDR + 2 * channel_index;
- pr_debug("mid_initialize : %x", chnl_addr);
- configure_adc(sn95031_codec, 1);
- return chnl_addr;
-}
-
-
-/* reads the ADC registers and gets the mic bias value in mV. */
-static unsigned int sn95031_get_mic_bias(struct snd_soc_codec *codec)
-{
- u16 adc_adr = sn95031_initialize_adc(codec);
- u16 adc_val1, adc_val2;
- unsigned int mic_bias;
-
- sn95031_enable_mic_bias(codec);
-
- /* Enable the sound card for conversion before reading */
- snd_soc_write(codec, SN95031_ADC1CNTL3, 0x05);
- /* Re-toggle the RRDATARD bit */
- snd_soc_write(codec, SN95031_ADC1CNTL3, 0x04);
-
- /* Read the higher bits of data */
- msleep(1000);
- adc_val1 = snd_soc_read(codec, adc_adr);
- adc_adr++;
- adc_val2 = snd_soc_read(codec, adc_adr);
-
- /* Adding lower two bits to the higher bits */
- mic_bias = (adc_val1 << 2) + (adc_val2 & 3);
- mic_bias = (mic_bias * SN95031_ADC_ONE_LSB_MULTIPLIER) / 1000;
- pr_debug("mic bias = %dmV\n", mic_bias);
- return mic_bias;
-}
-/*end - adc helper functions */
-
-static int sn95031_read(void *ctx, unsigned int reg, unsigned int *val)
-{
- u8 value = 0;
- int ret;
-
- ret = intel_scu_ipc_ioread8(reg, &value);
- if (ret == 0)
- *val = value;
-
- return ret;
-}
-
-static int sn95031_write(void *ctx, unsigned int reg, unsigned int value)
-{
- return intel_scu_ipc_iowrite8(reg, value);
-}
-
-static const struct regmap_config sn95031_regmap = {
- .reg_read = sn95031_read,
- .reg_write = sn95031_write,
-};
-
-static int sn95031_set_vaud_bias(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
-{
- switch (level) {
- case SND_SOC_BIAS_ON:
- break;
-
- case SND_SOC_BIAS_PREPARE:
- if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
- pr_debug("vaud_bias powering up pll\n");
- /* power up the pll */
- snd_soc_write(codec, SN95031_AUDPLLCTRL, BIT(5));
- /* enable pcm 2 */
- snd_soc_update_bits(codec, SN95031_PCM2C2,
- BIT(0), BIT(0));
- }
- break;
-
- case SND_SOC_BIAS_STANDBY:
- switch (snd_soc_codec_get_bias_level(codec)) {
- case SND_SOC_BIAS_OFF:
- pr_debug("vaud_bias power up rail\n");
- /* power up the rail */
- snd_soc_write(codec, SN95031_VAUD,
- BIT(2)|BIT(1)|BIT(0));
- msleep(1);
- break;
- case SND_SOC_BIAS_PREPARE:
- /* turn off pcm */
- pr_debug("vaud_bias power dn pcm\n");
- snd_soc_update_bits(codec, SN95031_PCM2C2, BIT(0), 0);
- snd_soc_write(codec, SN95031_AUDPLLCTRL, 0);
- break;
- default:
- break;
- }
- break;
-
-
- case SND_SOC_BIAS_OFF:
- pr_debug("vaud_bias _OFF doing rail shutdown\n");
- snd_soc_write(codec, SN95031_VAUD, BIT(3));
- break;
- }
-
- return 0;
-}
-
-static int sn95031_vhs_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);
-
- if (SND_SOC_DAPM_EVENT_ON(event)) {
- pr_debug("VHS SND_SOC_DAPM_EVENT_ON doing rail startup now\n");
- /* power up the rail */
- snd_soc_write(codec, SN95031_VHSP, 0x3D);
- snd_soc_write(codec, SN95031_VHSN, 0x3F);
- msleep(1);
- } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
- pr_debug("VHS SND_SOC_DAPM_EVENT_OFF doing rail shutdown\n");
- snd_soc_write(codec, SN95031_VHSP, 0xC4);
- snd_soc_write(codec, SN95031_VHSN, 0x04);
- }
- return 0;
-}
-
-static int sn95031_vihf_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);
-
- if (SND_SOC_DAPM_EVENT_ON(event)) {
- pr_debug("VIHF SND_SOC_DAPM_EVENT_ON doing rail startup now\n");
- /* power up the rail */
- snd_soc_write(codec, SN95031_VIHF, 0x27);
- msleep(1);
- } else if (SND_SOC_DAPM_EVENT_OFF(event)) {
- pr_debug("VIHF SND_SOC_DAPM_EVENT_OFF doing rail shutdown\n");
- snd_soc_write(codec, SN95031_VIHF, 0x24);
- }
- return 0;
-}
-
-static int sn95031_dmic12_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
- unsigned int ldo = 0, clk_dir = 0, data_dir = 0;
-
- if (SND_SOC_DAPM_EVENT_ON(event)) {
- ldo = BIT(5)|BIT(4);
- clk_dir = BIT(0);
- data_dir = BIT(7);
- }
- /* program DMIC LDO, clock and set clock */
- snd_soc_update_bits(codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo);
- snd_soc_update_bits(codec, SN95031_DMICBUF0123, BIT(0), clk_dir);
- snd_soc_update_bits(codec, SN95031_DMICBUF0123, BIT(7), data_dir);
- return 0;
-}
-
-static int sn95031_dmic34_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
- unsigned int ldo = 0, clk_dir = 0, data_dir = 0;
-
- if (SND_SOC_DAPM_EVENT_ON(event)) {
- ldo = BIT(5)|BIT(4);
- clk_dir = BIT(2);
- data_dir = BIT(1);
- }
- /* program DMIC LDO, clock and set clock */
- snd_soc_update_bits(codec, SN95031_MICBIAS, BIT(5)|BIT(4), ldo);
- snd_soc_update_bits(codec, SN95031_DMICBUF0123, BIT(2), clk_dir);
- snd_soc_update_bits(codec, SN95031_DMICBUF45, BIT(1), data_dir);
- return 0;
-}
-
-static int sn95031_dmic56_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
-{
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
- unsigned int ldo = 0;
-
- if (SND_SOC_DAPM_EVENT_ON(event))
- ldo = BIT(7)|BIT(6);
-
- /* program DMIC LDO */
- snd_soc_update_bits(codec, SN95031_MICBIAS, BIT(7)|BIT(6), ldo);
- return 0;
-}
-
-/* mux controls */
-static const char *sn95031_mic_texts[] = { "AMIC", "LineIn" };
-
-static SOC_ENUM_SINGLE_DECL(sn95031_micl_enum,
- SN95031_ADCCONFIG, 1, sn95031_mic_texts);
-
-static const struct snd_kcontrol_new sn95031_micl_mux_control =
- SOC_DAPM_ENUM("Route", sn95031_micl_enum);
-
-static SOC_ENUM_SINGLE_DECL(sn95031_micr_enum,
- SN95031_ADCCONFIG, 3, sn95031_mic_texts);
-
-static const struct snd_kcontrol_new sn95031_micr_mux_control =
- SOC_DAPM_ENUM("Route", sn95031_micr_enum);
-
-static const char *sn95031_input_texts[] = { "DMIC1", "DMIC2", "DMIC3",
- "DMIC4", "DMIC5", "DMIC6",
- "ADC Left", "ADC Right" };
-
-static SOC_ENUM_SINGLE_DECL(sn95031_input1_enum,
- SN95031_AUDIOMUX12, 0, sn95031_input_texts);
-
-static const struct snd_kcontrol_new sn95031_input1_mux_control =
- SOC_DAPM_ENUM("Route", sn95031_input1_enum);
-
-static SOC_ENUM_SINGLE_DECL(sn95031_input2_enum,
- SN95031_AUDIOMUX12, 4, sn95031_input_texts);
-
-static const struct snd_kcontrol_new sn95031_input2_mux_control =
- SOC_DAPM_ENUM("Route", sn95031_input2_enum);
-
-static SOC_ENUM_SINGLE_DECL(sn95031_input3_enum,
- SN95031_AUDIOMUX34, 0, sn95031_input_texts);
-
-static const struct snd_kcontrol_new sn95031_input3_mux_control =
- SOC_DAPM_ENUM("Route", sn95031_input3_enum);
-
-static SOC_ENUM_SINGLE_DECL(sn95031_input4_enum,
- SN95031_AUDIOMUX34, 4, sn95031_input_texts);
-
-static const struct snd_kcontrol_new sn95031_input4_mux_control =
- SOC_DAPM_ENUM("Route", sn95031_input4_enum);
-
-/* capture path controls */
-
-static const char *sn95031_micmode_text[] = {"Single Ended", "Differential"};
-
-/* 0dB to 30dB in 10dB steps */
-static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 10, 0);
-
-static SOC_ENUM_SINGLE_DECL(sn95031_micmode1_enum,
- SN95031_MICAMP1, 1, sn95031_micmode_text);
-static SOC_ENUM_SINGLE_DECL(sn95031_micmode2_enum,
- SN95031_MICAMP2, 1, sn95031_micmode_text);
-
-static const char *sn95031_dmic_cfg_text[] = {"GPO", "DMIC"};
-
-static SOC_ENUM_SINGLE_DECL(sn95031_dmic12_cfg_enum,
- SN95031_DMICMUX, 0, sn95031_dmic_cfg_text);
-static SOC_ENUM_SINGLE_DECL(sn95031_dmic34_cfg_enum,
- SN95031_DMICMUX, 1, sn95031_dmic_cfg_text);
-static SOC_ENUM_SINGLE_DECL(sn95031_dmic56_cfg_enum,
- SN95031_DMICMUX, 2, sn95031_dmic_cfg_text);
-
-static const struct snd_kcontrol_new sn95031_snd_controls[] = {
- SOC_ENUM("Mic1Mode Capture Route", sn95031_micmode1_enum),
- SOC_ENUM("Mic2Mode Capture Route", sn95031_micmode2_enum),
- SOC_ENUM("DMIC12 Capture Route", sn95031_dmic12_cfg_enum),
- SOC_ENUM("DMIC34 Capture Route", sn95031_dmic34_cfg_enum),
- SOC_ENUM("DMIC56 Capture Route", sn95031_dmic56_cfg_enum),
- SOC_SINGLE_TLV("Mic1 Capture Volume", SN95031_MICAMP1,
- 2, 4, 0, mic_tlv),
- SOC_SINGLE_TLV("Mic2 Capture Volume", SN95031_MICAMP2,
- 2, 4, 0, mic_tlv),
-};
-
-/* DAPM widgets */
-static const struct snd_soc_dapm_widget sn95031_dapm_widgets[] = {
-
- /* all end points mic, hs etc */
- SND_SOC_DAPM_OUTPUT("HPOUTL"),
- SND_SOC_DAPM_OUTPUT("HPOUTR"),
- SND_SOC_DAPM_OUTPUT("EPOUT"),
- SND_SOC_DAPM_OUTPUT("IHFOUTL"),
- SND_SOC_DAPM_OUTPUT("IHFOUTR"),
- SND_SOC_DAPM_OUTPUT("LINEOUTL"),
- SND_SOC_DAPM_OUTPUT("LINEOUTR"),
- SND_SOC_DAPM_OUTPUT("VIB1OUT"),
- SND_SOC_DAPM_OUTPUT("VIB2OUT"),
-
- SND_SOC_DAPM_INPUT("AMIC1"), /* headset mic */
- SND_SOC_DAPM_INPUT("AMIC2"),
- SND_SOC_DAPM_INPUT("DMIC1"),
- SND_SOC_DAPM_INPUT("DMIC2"),
- SND_SOC_DAPM_INPUT("DMIC3"),
- SND_SOC_DAPM_INPUT("DMIC4"),
- SND_SOC_DAPM_INPUT("DMIC5"),
- SND_SOC_DAPM_INPUT("DMIC6"),
- SND_SOC_DAPM_INPUT("LINEINL"),
- SND_SOC_DAPM_INPUT("LINEINR"),
-
- SND_SOC_DAPM_MICBIAS("AMIC1Bias", SN95031_MICBIAS, 2, 0),
- SND_SOC_DAPM_MICBIAS("AMIC2Bias", SN95031_MICBIAS, 3, 0),
- SND_SOC_DAPM_MICBIAS("DMIC12Bias", SN95031_DMICMUX, 3, 0),
- SND_SOC_DAPM_MICBIAS("DMIC34Bias", SN95031_DMICMUX, 4, 0),
- SND_SOC_DAPM_MICBIAS("DMIC56Bias", SN95031_DMICMUX, 5, 0),
-
- SND_SOC_DAPM_SUPPLY("DMIC12supply", SN95031_DMICLK, 0, 0,
- sn95031_dmic12_event,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_SUPPLY("DMIC34supply", SN95031_DMICLK, 1, 0,
- sn95031_dmic34_event,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_SUPPLY("DMIC56supply", SN95031_DMICLK, 2, 0,
- sn95031_dmic56_event,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
-
- SND_SOC_DAPM_AIF_OUT("PCM_Out", "Capture", 0,
- SND_SOC_NOPM, 0, 0),
-
- SND_SOC_DAPM_SUPPLY("Headset Rail", SND_SOC_NOPM, 0, 0,
- sn95031_vhs_event,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
- SND_SOC_DAPM_SUPPLY("Speaker Rail", SND_SOC_NOPM, 0, 0,
- sn95031_vihf_event,
- SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
-
- /* playback path driver enables */
- SND_SOC_DAPM_PGA("Headset Left Playback",
- SN95031_DRIVEREN, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Headset Right Playback",
- SN95031_DRIVEREN, 1, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Left Playback",
- SN95031_DRIVEREN, 2, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Right Playback",
- SN95031_DRIVEREN, 3, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Vibra1 Playback",
- SN95031_DRIVEREN, 4, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Vibra2 Playback",
- SN95031_DRIVEREN, 5, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Earpiece Playback",
- SN95031_DRIVEREN, 6, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Lineout Left Playback",
- SN95031_LOCTL, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Lineout Right Playback",
- SN95031_LOCTL, 4, 0, NULL, 0),
-
- /* playback path filter enable */
- SND_SOC_DAPM_PGA("Headset Left Filter",
- SN95031_HSEPRXCTRL, 4, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Headset Right Filter",
- SN95031_HSEPRXCTRL, 5, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Left Filter",
- SN95031_IHFRXCTRL, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("Speaker Right Filter",
- SN95031_IHFRXCTRL, 1, 0, NULL, 0),
-
- /* DACs */
- SND_SOC_DAPM_DAC("HSDAC Left", "Headset",
- SN95031_DACCONFIG, 0, 0),
- SND_SOC_DAPM_DAC("HSDAC Right", "Headset",
- SN95031_DACCONFIG, 1, 0),
- SND_SOC_DAPM_DAC("IHFDAC Left", "Speaker",
- SN95031_DACCONFIG, 2, 0),
- SND_SOC_DAPM_DAC("IHFDAC Right", "Speaker",
- SN95031_DACCONFIG, 3, 0),
- SND_SOC_DAPM_DAC("Vibra1 DAC", "Vibra1",
- SN95031_VIB1C5, 1, 0),
- SND_SOC_DAPM_DAC("Vibra2 DAC", "Vibra2",
- SN95031_VIB2C5, 1, 0),
-
- /* capture widgets */
- SND_SOC_DAPM_PGA("LineIn Enable Left", SN95031_MICAMP1,
- 7, 0, NULL, 0),
- SND_SOC_DAPM_PGA("LineIn Enable Right", SN95031_MICAMP2,
- 7, 0, NULL, 0),
-
- SND_SOC_DAPM_PGA("MIC1 Enable", SN95031_MICAMP1, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("MIC2 Enable", SN95031_MICAMP2, 0, 0, NULL, 0),
- SND_SOC_DAPM_PGA("TX1 Enable", SN95031_AUDIOTXEN, 2, 0, NULL, 0),
- SND_SOC_DAPM_PGA("TX2 Enable", SN95031_AUDIOTXEN, 3, 0, NULL, 0),
- SND_SOC_DAPM_PGA("TX3 Enable", SN95031_AUDIOTXEN, 4, 0, NULL, 0),
- SND_SOC_DAPM_PGA("TX4 Enable", SN95031_AUDIOTXEN, 5, 0, NULL, 0),
-
- /* ADC have null stream as they will be turned ON by TX path */
- SND_SOC_DAPM_ADC("ADC Left", NULL,
- SN95031_ADCCONFIG, 0, 0),
- SND_SOC_DAPM_ADC("ADC Right", NULL,
- SN95031_ADCCONFIG, 2, 0),
-
- SND_SOC_DAPM_MUX("Mic_InputL Capture Route",
- SND_SOC_NOPM, 0, 0, &sn95031_micl_mux_control),
- SND_SOC_DAPM_MUX("Mic_InputR Capture Route",
- SND_SOC_NOPM, 0, 0, &sn95031_micr_mux_control),
-
- SND_SOC_DAPM_MUX("Txpath1 Capture Route",
- SND_SOC_NOPM, 0, 0, &sn95031_input1_mux_control),
- SND_SOC_DAPM_MUX("Txpath2 Capture Route",
- SND_SOC_NOPM, 0, 0, &sn95031_input2_mux_control),
- SND_SOC_DAPM_MUX("Txpath3 Capture Route",
- SND_SOC_NOPM, 0, 0, &sn95031_input3_mux_control),
- SND_SOC_DAPM_MUX("Txpath4 Capture Route",
- SND_SOC_NOPM, 0, 0, &sn95031_input4_mux_control),
-
-};
-
-static const struct snd_soc_dapm_route sn95031_audio_map[] = {
- /* headset and earpiece map */
- { "HPOUTL", NULL, "Headset Rail"},
- { "HPOUTR", NULL, "Headset Rail"},
- { "HPOUTL", NULL, "Headset Left Playback" },
- { "HPOUTR", NULL, "Headset Right Playback" },
- { "EPOUT", NULL, "Earpiece Playback" },
- { "Headset Left Playback", NULL, "Headset Left Filter"},
- { "Headset Right Playback", NULL, "Headset Right Filter"},
- { "Earpiece Playback", NULL, "Headset Left Filter"},
- { "Headset Left Filter", NULL, "HSDAC Left"},
- { "Headset Right Filter", NULL, "HSDAC Right"},
-
- /* speaker map */
- { "IHFOUTL", NULL, "Speaker Rail"},
- { "IHFOUTR", NULL, "Speaker Rail"},
- { "IHFOUTL", NULL, "Speaker Left Playback"},
- { "IHFOUTR", NULL, "Speaker Right Playback"},
- { "Speaker Left Playback", NULL, "Speaker Left Filter"},
- { "Speaker Right Playback", NULL, "Speaker Right Filter"},
- { "Speaker Left Filter", NULL, "IHFDAC Left"},
- { "Speaker Right Filter", NULL, "IHFDAC Right"},
-
- /* vibra map */
- { "VIB1OUT", NULL, "Vibra1 Playback"},
- { "Vibra1 Playback", NULL, "Vibra1 DAC"},
-
- { "VIB2OUT", NULL, "Vibra2 Playback"},
- { "Vibra2 Playback", NULL, "Vibra2 DAC"},
-
- /* lineout */
- { "LINEOUTL", NULL, "Lineout Left Playback"},
- { "LINEOUTR", NULL, "Lineout Right Playback"},
- { "Lineout Left Playback", NULL, "Headset Left Filter"},
- { "Lineout Left Playback", NULL, "Speaker Left Filter"},
- { "Lineout Left Playback", NULL, "Vibra1 DAC"},
- { "Lineout Right Playback", NULL, "Headset Right Filter"},
- { "Lineout Right Playback", NULL, "Speaker Right Filter"},
- { "Lineout Right Playback", NULL, "Vibra2 DAC"},
-
- /* Headset (AMIC1) mic */
- { "AMIC1Bias", NULL, "AMIC1"},
- { "MIC1 Enable", NULL, "AMIC1Bias"},
- { "Mic_InputL Capture Route", "AMIC", "MIC1 Enable"},
-
- /* AMIC2 */
- { "AMIC2Bias", NULL, "AMIC2"},
- { "MIC2 Enable", NULL, "AMIC2Bias"},
- { "Mic_InputR Capture Route", "AMIC", "MIC2 Enable"},
-
-
- /* Linein */
- { "LineIn Enable Left", NULL, "LINEINL"},
- { "LineIn Enable Right", NULL, "LINEINR"},
- { "Mic_InputL Capture Route", "LineIn", "LineIn Enable Left"},
- { "Mic_InputR Capture Route", "LineIn", "LineIn Enable Right"},
-
- /* ADC connection */
- { "ADC Left", NULL, "Mic_InputL Capture Route"},
- { "ADC Right", NULL, "Mic_InputR Capture Route"},
-
- /*DMIC connections */
- { "DMIC1", NULL, "DMIC12supply"},
- { "DMIC2", NULL, "DMIC12supply"},
- { "DMIC3", NULL, "DMIC34supply"},
- { "DMIC4", NULL, "DMIC34supply"},
- { "DMIC5", NULL, "DMIC56supply"},
- { "DMIC6", NULL, "DMIC56supply"},
-
- { "DMIC12Bias", NULL, "DMIC1"},
- { "DMIC12Bias", NULL, "DMIC2"},
- { "DMIC34Bias", NULL, "DMIC3"},
- { "DMIC34Bias", NULL, "DMIC4"},
- { "DMIC56Bias", NULL, "DMIC5"},
- { "DMIC56Bias", NULL, "DMIC6"},
-
- /*TX path inputs*/
- { "Txpath1 Capture Route", "ADC Left", "ADC Left"},
- { "Txpath2 Capture Route", "ADC Left", "ADC Left"},
- { "Txpath3 Capture Route", "ADC Left", "ADC Left"},
- { "Txpath4 Capture Route", "ADC Left", "ADC Left"},
- { "Txpath1 Capture Route", "ADC Right", "ADC Right"},
- { "Txpath2 Capture Route", "ADC Right", "ADC Right"},
- { "Txpath3 Capture Route", "ADC Right", "ADC Right"},
- { "Txpath4 Capture Route", "ADC Right", "ADC Right"},
- { "Txpath1 Capture Route", "DMIC1", "DMIC1"},
- { "Txpath2 Capture Route", "DMIC1", "DMIC1"},
- { "Txpath3 Capture Route", "DMIC1", "DMIC1"},
- { "Txpath4 Capture Route", "DMIC1", "DMIC1"},
- { "Txpath1 Capture Route", "DMIC2", "DMIC2"},
- { "Txpath2 Capture Route", "DMIC2", "DMIC2"},
- { "Txpath3 Capture Route", "DMIC2", "DMIC2"},
- { "Txpath4 Capture Route", "DMIC2", "DMIC2"},
- { "Txpath1 Capture Route", "DMIC3", "DMIC3"},
- { "Txpath2 Capture Route", "DMIC3", "DMIC3"},
- { "Txpath3 Capture Route", "DMIC3", "DMIC3"},
- { "Txpath4 Capture Route", "DMIC3", "DMIC3"},
- { "Txpath1 Capture Route", "DMIC4", "DMIC4"},
- { "Txpath2 Capture Route", "DMIC4", "DMIC4"},
- { "Txpath3 Capture Route", "DMIC4", "DMIC4"},
- { "Txpath4 Capture Route", "DMIC4", "DMIC4"},
- { "Txpath1 Capture Route", "DMIC5", "DMIC5"},
- { "Txpath2 Capture Route", "DMIC5", "DMIC5"},
- { "Txpath3 Capture Route", "DMIC5", "DMIC5"},
- { "Txpath4 Capture Route", "DMIC5", "DMIC5"},
- { "Txpath1 Capture Route", "DMIC6", "DMIC6"},
- { "Txpath2 Capture Route", "DMIC6", "DMIC6"},
- { "Txpath3 Capture Route", "DMIC6", "DMIC6"},
- { "Txpath4 Capture Route", "DMIC6", "DMIC6"},
-
- /* tx path */
- { "TX1 Enable", NULL, "Txpath1 Capture Route"},
- { "TX2 Enable", NULL, "Txpath2 Capture Route"},
- { "TX3 Enable", NULL, "Txpath3 Capture Route"},
- { "TX4 Enable", NULL, "Txpath4 Capture Route"},
- { "PCM_Out", NULL, "TX1 Enable"},
- { "PCM_Out", NULL, "TX2 Enable"},
- { "PCM_Out", NULL, "TX3 Enable"},
- { "PCM_Out", NULL, "TX4 Enable"},
-
-};
-
-/* speaker and headset mutes, for audio pops and clicks */
-static int sn95031_pcm_hs_mute(struct snd_soc_dai *dai, int mute)
-{
- snd_soc_update_bits(dai->codec,
- SN95031_HSLVOLCTRL, BIT(7), (!mute << 7));
- snd_soc_update_bits(dai->codec,
- SN95031_HSRVOLCTRL, BIT(7), (!mute << 7));
- return 0;
-}
-
-static int sn95031_pcm_spkr_mute(struct snd_soc_dai *dai, int mute)
-{
- snd_soc_update_bits(dai->codec,
- SN95031_IHFLVOLCTRL, BIT(7), (!mute << 7));
- snd_soc_update_bits(dai->codec,
- SN95031_IHFRVOLCTRL, BIT(7), (!mute << 7));
- return 0;
-}
-
-static int sn95031_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
-{
- unsigned int format, rate;
-
- switch (params_width(params)) {
- case 16:
- format = BIT(4)|BIT(5);
- break;
-
- case 24:
- format = 0;
- break;
- default:
- return -EINVAL;
- }
- snd_soc_update_bits(dai->codec, SN95031_PCM2C2,
- BIT(4)|BIT(5), format);
-
- switch (params_rate(params)) {
- case 48000:
- pr_debug("RATE_48000\n");
- rate = 0;
- break;
-
- case 44100:
- pr_debug("RATE_44100\n");
- rate = BIT(7);
- break;
-
- default:
- pr_err("ERR rate %d\n", params_rate(params));
- return -EINVAL;
- }
- snd_soc_update_bits(dai->codec, SN95031_PCM1C1, BIT(7), rate);
-
- return 0;
-}
-
-/* Codec DAI section */
-static const struct snd_soc_dai_ops sn95031_headset_dai_ops = {
- .digital_mute = sn95031_pcm_hs_mute,
- .hw_params = sn95031_pcm_hw_params,
-};
-
-static const struct snd_soc_dai_ops sn95031_speaker_dai_ops = {
- .digital_mute = sn95031_pcm_spkr_mute,
- .hw_params = sn95031_pcm_hw_params,
-};
-
-static const struct snd_soc_dai_ops sn95031_vib1_dai_ops = {
- .hw_params = sn95031_pcm_hw_params,
-};
-
-static const struct snd_soc_dai_ops sn95031_vib2_dai_ops = {
- .hw_params = sn95031_pcm_hw_params,
-};
-
-static struct snd_soc_dai_driver sn95031_dais[] = {
-{
- .name = "SN95031 Headset",
- .playback = {
- .stream_name = "Headset",
- .channels_min = 2,
- .channels_max = 2,
- .rates = SN95031_RATES,
- .formats = SN95031_FORMATS,
- },
- .capture = {
- .stream_name = "Capture",
- .channels_min = 1,
- .channels_max = 5,
- .rates = SN95031_RATES,
- .formats = SN95031_FORMATS,
- },
- .ops = &sn95031_headset_dai_ops,
-},
-{ .name = "SN95031 Speaker",
- .playback = {
- .stream_name = "Speaker",
- .channels_min = 2,
- .channels_max = 2,
- .rates = SN95031_RATES,
- .formats = SN95031_FORMATS,
- },
- .ops = &sn95031_speaker_dai_ops,
-},
-{ .name = "SN95031 Vibra1",
- .playback = {
- .stream_name = "Vibra1",
- .channels_min = 1,
- .channels_max = 1,
- .rates = SN95031_RATES,
- .formats = SN95031_FORMATS,
- },
- .ops = &sn95031_vib1_dai_ops,
-},
-{ .name = "SN95031 Vibra2",
- .playback = {
- .stream_name = "Vibra2",
- .channels_min = 1,
- .channels_max = 1,
- .rates = SN95031_RATES,
- .formats = SN95031_FORMATS,
- },
- .ops = &sn95031_vib2_dai_ops,
-},
-};
-
-static inline void sn95031_disable_jack_btn(struct snd_soc_codec *codec)
-{
- snd_soc_write(codec, SN95031_BTNCTRL2, 0x00);
-}
-
-static inline void sn95031_enable_jack_btn(struct snd_soc_codec *codec)
-{
- snd_soc_write(codec, SN95031_BTNCTRL1, 0x77);
- snd_soc_write(codec, SN95031_BTNCTRL2, 0x01);
-}
-
-static int sn95031_get_headset_state(struct snd_soc_codec *codec,
- struct snd_soc_jack *mfld_jack)
-{
- int micbias = sn95031_get_mic_bias(codec);
-
- int jack_type = snd_soc_jack_get_type(mfld_jack, micbias);
-
- pr_debug("jack type detected = %d\n", jack_type);
- if (jack_type == SND_JACK_HEADSET)
- sn95031_enable_jack_btn(codec);
- return jack_type;
-}
-
-void sn95031_jack_detection(struct snd_soc_codec *codec,
- struct mfld_jack_data *jack_data)
-{
- unsigned int status;
- unsigned int mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_HEADSET;
-
- pr_debug("interrupt id read in sram = 0x%x\n", jack_data->intr_id);
- if (jack_data->intr_id & 0x1) {
- pr_debug("short_push detected\n");
- status = SND_JACK_HEADSET | SND_JACK_BTN_0;
- } else if (jack_data->intr_id & 0x2) {
- pr_debug("long_push detected\n");
- status = SND_JACK_HEADSET | SND_JACK_BTN_1;
- } else if (jack_data->intr_id & 0x4) {
- pr_debug("headset or headphones inserted\n");
- status = sn95031_get_headset_state(codec, jack_data->mfld_jack);
- } else if (jack_data->intr_id & 0x8) {
- pr_debug("headset or headphones removed\n");
- status = 0;
- sn95031_disable_jack_btn(codec);
- } else {
- pr_err("unidentified interrupt\n");
- return;
- }
-
- snd_soc_jack_report(jack_data->mfld_jack, status, mask);
- /*button pressed and released so we send explicit button release */
- if ((status & SND_JACK_BTN_0) | (status & SND_JACK_BTN_1))
- snd_soc_jack_report(jack_data->mfld_jack,
- SND_JACK_HEADSET, mask);
-}
-EXPORT_SYMBOL_GPL(sn95031_jack_detection);
-
-/* codec registration */
-static int sn95031_codec_probe(struct snd_soc_codec *codec)
-{
- pr_debug("codec_probe called\n");
-
- /* PCM interface config
- * This sets the pcm rx slot conguration to max 6 slots
- * for max 4 dais (2 stereo and 2 mono)
- */
- snd_soc_write(codec, SN95031_PCM2RXSLOT01, 0x10);
- snd_soc_write(codec, SN95031_PCM2RXSLOT23, 0x32);
- snd_soc_write(codec, SN95031_PCM2RXSLOT45, 0x54);
- snd_soc_write(codec, SN95031_PCM2TXSLOT01, 0x10);
- snd_soc_write(codec, SN95031_PCM2TXSLOT23, 0x32);
- /* pcm port setting
- * This sets the pcm port to slave and clock at 19.2Mhz which
- * can support 6slots, sampling rate set per stream in hw-params
- */
- snd_soc_write(codec, SN95031_PCM1C1, 0x00);
- snd_soc_write(codec, SN95031_PCM2C1, 0x01);
- snd_soc_write(codec, SN95031_PCM2C2, 0x0A);
- snd_soc_write(codec, SN95031_HSMIXER, BIT(0)|BIT(4));
- /* vendor vibra workround, the vibras are muted by
- * custom register so unmute them
- */
- snd_soc_write(codec, SN95031_SSR5, 0x80);
- snd_soc_write(codec, SN95031_SSR6, 0x80);
- snd_soc_write(codec, SN95031_VIB1C5, 0x00);
- snd_soc_write(codec, SN95031_VIB2C5, 0x00);
- /* configure vibras for pcm port */
- snd_soc_write(codec, SN95031_VIB1C3, 0x00);
- snd_soc_write(codec, SN95031_VIB2C3, 0x00);
-
- /* soft mute ramp time */
- snd_soc_write(codec, SN95031_SOFTMUTE, 0x3);
- /* fix the initial volume at 1dB,
- * default in +9dB,
- * 1dB give optimal swing on DAC, amps
- */
- snd_soc_write(codec, SN95031_HSLVOLCTRL, 0x08);
- snd_soc_write(codec, SN95031_HSRVOLCTRL, 0x08);
- snd_soc_write(codec, SN95031_IHFLVOLCTRL, 0x08);
- snd_soc_write(codec, SN95031_IHFRVOLCTRL, 0x08);
- /* dac mode and lineout workaround */
- snd_soc_write(codec, SN95031_SSR2, 0x10);
- snd_soc_write(codec, SN95031_SSR3, 0x40);
-
- return 0;
-}
-
-static const struct snd_soc_codec_driver sn95031_codec = {
- .probe = sn95031_codec_probe,
- .set_bias_level = sn95031_set_vaud_bias,
- .idle_bias_off = true,
-
- .component_driver = {
- .controls = sn95031_snd_controls,
- .num_controls = ARRAY_SIZE(sn95031_snd_controls),
- .dapm_widgets = sn95031_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(sn95031_dapm_widgets),
- .dapm_routes = sn95031_audio_map,
- .num_dapm_routes = ARRAY_SIZE(sn95031_audio_map),
- },
-};
-
-static int sn95031_device_probe(struct platform_device *pdev)
-{
- struct regmap *regmap;
-
- pr_debug("codec device probe called for %s\n", dev_name(&pdev->dev));
-
- regmap = devm_regmap_init(&pdev->dev, NULL, NULL, &sn95031_regmap);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
-
- return snd_soc_register_codec(&pdev->dev, &sn95031_codec,
- sn95031_dais, ARRAY_SIZE(sn95031_dais));
-}
-
-static int sn95031_device_remove(struct platform_device *pdev)
-{
- pr_debug("codec device remove called\n");
- snd_soc_unregister_codec(&pdev->dev);
- return 0;
-}
-
-static struct platform_driver sn95031_codec_driver = {
- .driver = {
- .name = "sn95031",
- },
- .probe = sn95031_device_probe,
- .remove = sn95031_device_remove,
-};
-
-module_platform_driver(sn95031_codec_driver);
-
-MODULE_DESCRIPTION("ASoC TI SN95031 codec driver");
-MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
-MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:sn95031");
projects / platform / kernel / linux-rpi.git / commitdiff