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5faacb3a7ee820c82ad76fad94e4f1c2c13169a2
android_kernel_samsung_sm86…/asoc/codecs/msm_sdw/msm_sdw_cdc.c
Xiaojun Sang 24daae8895 ASoC: codecs: add mixer ctls to control boost level 
Add new mixer ctls to control max boost state level
for speaker protection V3.

Change-Id: If967de46955f6dc8692986503daea68ce105f642
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>
2017-11-07 01:36:52 -08:00

2085 行
58 KiB
C
原始文件 Blame 歷史記錄

/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*/
#include <linux/device.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/debugfs.h>
#include <linux/bitops.h>
#include <linux/regmap.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <ipc/apr.h>
#include <soc/swr-wcd.h>
#include <dsp/audio_notifier.h>
#include <dsp/apr_audio-v2.h>
#include <dsp/q6core.h>
#include "msm_sdw.h"
#include "msm_sdw_registers.h"
#include "../msm-cdc-pinctrl.h"
#define MSM_SDW_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
#define MSM_SDW_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
SNDRV_PCM_FMTBIT_S24_LE |\
SNDRV_PCM_FMTBIT_S24_3LE)
#define MSM_SDW_STRING_LEN 80
#define INT_MCLK1_FREQ 9600000
#define SDW_NPL_FREQ 153600000
#define MSM_SDW_VERSION_1_0 0x0001
#define MSM_SDW_VERSION_ENTRY_SIZE 32
/*
* 200 Milliseconds sufficient for DSP bring up in the modem
* after Sub System Restart
*/
#define ADSP_STATE_READY_TIMEOUT_MS 200
static const DECLARE_TLV_DB_SCALE(digital_gain, 0, 1, 0);
static struct snd_soc_dai_driver msm_sdw_dai[];
static bool skip_irq = true;
static int msm_sdw_config_ear_spkr_gain(struct snd_soc_codec *codec,
int event, int gain_reg);
static int msm_sdw_config_compander(struct snd_soc_codec *, int, int);
static int msm_sdw_mclk_enable(struct msm_sdw_priv *msm_sdw,
int mclk_enable, bool dapm);
static int msm_int_enable_sdw_cdc_clk(struct msm_sdw_priv *msm_sdw,
int enable, bool dapm);
enum {
VI_SENSE_1,
VI_SENSE_2,
};
enum {
AIF1_SDW_PB = 0,
AIF1_SDW_VIFEED,
NUM_CODEC_DAIS,
};
static const struct msm_sdw_reg_mask_val msm_sdw_spkr_default[] = {
{MSM_SDW_COMPANDER7_CTL3, 0x80, 0x80},
{MSM_SDW_COMPANDER8_CTL3, 0x80, 0x80},
{MSM_SDW_COMPANDER7_CTL7, 0x01, 0x01},
{MSM_SDW_COMPANDER8_CTL7, 0x01, 0x01},
{MSM_SDW_BOOST0_BOOST_CTL, 0x7C, 0x50},
{MSM_SDW_BOOST1_BOOST_CTL, 0x7C, 0x50},
};
static const struct msm_sdw_reg_mask_val msm_sdw_spkr_mode1[] = {
{MSM_SDW_COMPANDER7_CTL3, 0x80, 0x00},
{MSM_SDW_COMPANDER8_CTL3, 0x80, 0x00},
{MSM_SDW_COMPANDER7_CTL7, 0x01, 0x00},
{MSM_SDW_COMPANDER8_CTL7, 0x01, 0x00},
{MSM_SDW_BOOST0_BOOST_CTL, 0x7C, 0x44},
{MSM_SDW_BOOST1_BOOST_CTL, 0x7C, 0x44},
};
/**
* msm_sdw_set_spkr_gain_offset - offset the speaker path
* gain with the given offset value.
*
* @codec: codec instance
* @offset: Indicates speaker path gain offset value.
*
* Returns 0 on success or -EINVAL on error.
*/
int msm_sdw_set_spkr_gain_offset(struct snd_soc_codec *codec, int offset)
{
struct msm_sdw_priv *priv;
if (!codec) {
pr_err("%s: NULL codec pointer!\n", __func__);
return -EINVAL;
}
priv = snd_soc_codec_get_drvdata(codec);
if (!priv)
return -EINVAL;
priv->spkr_gain_offset = offset;
return 0;
}
EXPORT_SYMBOL(msm_sdw_set_spkr_gain_offset);
/**
* msm_sdw_set_spkr_mode - Configures speaker compander and smartboost
* settings based on speaker mode.
*
* @codec: codec instance
* @mode: Indicates speaker configuration mode.
*
* Returns 0 on success or -EINVAL on error.
*/
int msm_sdw_set_spkr_mode(struct snd_soc_codec *codec, int mode)
{
struct msm_sdw_priv *priv;
int i;
const struct msm_sdw_reg_mask_val *regs;
int size;
if (!codec) {
pr_err("%s: NULL codec pointer!\n", __func__);
return -EINVAL;
}
priv = snd_soc_codec_get_drvdata(codec);
if (!priv)
return -EINVAL;
switch (mode) {
case SPKR_MODE_1:
regs = msm_sdw_spkr_mode1;
size = ARRAY_SIZE(msm_sdw_spkr_mode1);
break;
default:
regs = msm_sdw_spkr_default;
size = ARRAY_SIZE(msm_sdw_spkr_default);
break;
}
priv->spkr_mode = mode;
for (i = 0; i < size; i++)
snd_soc_update_bits(codec, regs[i].reg,
regs[i].mask, regs[i].val);
return 0;
}
EXPORT_SYMBOL(msm_sdw_set_spkr_mode);
static int msm_enable_sdw_npl_clk(struct msm_sdw_priv *msm_sdw, int enable)
{
int ret = 0;
dev_dbg(msm_sdw->dev, "%s: enable %d\n", __func__, enable);
mutex_lock(&msm_sdw->sdw_npl_clk_mutex);
if (enable) {
if (msm_sdw->sdw_npl_clk_enabled == false) {
msm_sdw->sdw_npl_clk.enable = 1;
ret = afe_set_lpass_clock_v2(
AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_npl_clk);
if (ret < 0) {
dev_err(msm_sdw->dev,
"%s: failed to enable SDW NPL CLK\n",
__func__);
mutex_unlock(&msm_sdw->sdw_npl_clk_mutex);
return ret;
}
dev_dbg(msm_sdw->dev, "enabled sdw npl clk\n");
msm_sdw->sdw_npl_clk_enabled = true;
}
} else {
if (msm_sdw->sdw_npl_clk_enabled == true) {
msm_sdw->sdw_npl_clk.enable = 0;
ret = afe_set_lpass_clock_v2(
AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_npl_clk);
if (ret < 0)
dev_err(msm_sdw->dev,
"%s: failed to disable SDW NPL CLK\n",
__func__);
msm_sdw->sdw_npl_clk_enabled = false;
}
}
mutex_unlock(&msm_sdw->sdw_npl_clk_mutex);
return ret;
}
static int msm_int_enable_sdw_cdc_clk(struct msm_sdw_priv *msm_sdw,
int enable, bool dapm)
{
int ret = 0;
mutex_lock(&msm_sdw->cdc_int_mclk1_mutex);
dev_dbg(msm_sdw->dev, "%s: enable %d mclk1 ref counter %d\n",
__func__, enable, msm_sdw->int_mclk1_rsc_ref);
if (enable) {
if (msm_sdw->int_mclk1_rsc_ref == 0) {
cancel_delayed_work_sync(
&msm_sdw->disable_int_mclk1_work);
if (msm_sdw->int_mclk1_enabled == false) {
msm_sdw->sdw_cdc_core_clk.enable = 1;
ret = afe_set_lpass_clock_v2(
AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_cdc_core_clk);
if (ret < 0) {
dev_err(msm_sdw->dev,
"%s: failed to enable SDW MCLK\n",
__func__);
goto rtn;
}
dev_dbg(msm_sdw->dev,
"enabled sdw codec core mclk\n");
msm_sdw->int_mclk1_enabled = true;
}
}
msm_sdw->int_mclk1_rsc_ref++;
} else {
cancel_delayed_work_sync(&msm_sdw->disable_int_mclk1_work);
if (msm_sdw->int_mclk1_rsc_ref > 0) {
msm_sdw->int_mclk1_rsc_ref--;
dev_dbg(msm_sdw->dev,
"%s: decrementing mclk_res_ref %d\n",
__func__, msm_sdw->int_mclk1_rsc_ref);
}
if (msm_sdw->int_mclk1_enabled == true &&
msm_sdw->int_mclk1_rsc_ref == 0) {
msm_sdw->sdw_cdc_core_clk.enable = 0;
ret = afe_set_lpass_clock_v2(
AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_cdc_core_clk);
if (ret < 0)
dev_err(msm_sdw->dev,
"%s: failed to disable SDW MCLK\n",
__func__);
msm_sdw->int_mclk1_enabled = false;
}
}
mutex_unlock(&msm_sdw->cdc_int_mclk1_mutex);
rtn:
return ret;
}
EXPORT_SYMBOL(msm_int_enable_sdw_cdc_clk);
static void msm_disable_int_mclk1(struct work_struct *work)
{
struct msm_sdw_priv *msm_sdw = NULL;
struct delayed_work *dwork;
int ret = 0;
dwork = to_delayed_work(work);
msm_sdw = container_of(dwork, struct msm_sdw_priv,
disable_int_mclk1_work);
mutex_lock(&msm_sdw->cdc_int_mclk1_mutex);
dev_dbg(msm_sdw->dev, "%s: mclk1_enabled %d mclk1_rsc_ref %d\n",
__func__, msm_sdw->int_mclk1_enabled,
msm_sdw->int_mclk1_rsc_ref);
if (msm_sdw->int_mclk1_enabled == true
&& msm_sdw->int_mclk1_rsc_ref == 0) {
dev_dbg(msm_sdw->dev, "Disable the mclk1\n");
msm_sdw->sdw_cdc_core_clk.enable = 0;
ret = afe_set_lpass_clock_v2(
AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_cdc_core_clk);
if (ret < 0)
dev_err(msm_sdw->dev,
"%s failed to disable the MCLK1\n",
__func__);
msm_sdw->int_mclk1_enabled = false;
}
mutex_unlock(&msm_sdw->cdc_int_mclk1_mutex);
}
static int msm_int_mclk1_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
int ret = 0;
dev_dbg(msm_sdw->dev, "%s: event = %d\n", __func__, event);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* enable the codec mclk config */
msm_int_enable_sdw_cdc_clk(msm_sdw, 1, true);
msm_sdw_mclk_enable(msm_sdw, 1, true);
break;
case SND_SOC_DAPM_POST_PMD:
/* disable the codec mclk config */
msm_sdw_mclk_enable(msm_sdw, 0, true);
msm_int_enable_sdw_cdc_clk(msm_sdw, 0, true);
break;
default:
dev_err(msm_sdw->dev,
"%s: invalid DAPM event %d\n", __func__, event);
ret = -EINVAL;
}
return ret;
}
static int msm_sdw_ahb_write_device(struct msm_sdw_priv *msm_sdw,
u16 reg, u8 *value)
{
u32 temp = (u32)(*value) & 0x000000FF;
if (!msm_sdw->dev_up) {
dev_err_ratelimited(msm_sdw->dev, "%s: q6 not ready\n",
__func__);
return 0;
}
iowrite32(temp, msm_sdw->sdw_base + reg);
return 0;
}
static int msm_sdw_ahb_read_device(struct msm_sdw_priv *msm_sdw,
u16 reg, u8 *value)
{
u32 temp;
if (!msm_sdw->dev_up) {
dev_err_ratelimited(msm_sdw->dev, "%s: q6 not ready\n",
__func__);
return 0;
}
temp = ioread32(msm_sdw->sdw_base + reg);
*value = (u8)temp;
return 0;
}
static int __msm_sdw_reg_read(struct msm_sdw_priv *msm_sdw, unsigned short reg,
int bytes, void *dest)
{
int ret = -EINVAL, i;
u8 temp = 0;
dev_dbg(msm_sdw->dev, "%s reg = %x\n", __func__, reg);
mutex_lock(&msm_sdw->cdc_int_mclk1_mutex);
if (msm_sdw->int_mclk1_enabled == false) {
msm_sdw->sdw_cdc_core_clk.enable = 1;
ret = afe_set_lpass_clock_v2(
AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_cdc_core_clk);
if (ret < 0) {
dev_err(msm_sdw->dev,
"%s:failed to enable the INT_MCLK1\n",
__func__);
goto unlock_exit;
}
dev_dbg(msm_sdw->dev, "%s:enabled sdw codec core clk\n",
__func__);
for (i = 0; i < bytes; i++) {
ret = msm_sdw_ahb_read_device(
msm_sdw, reg + (4 * i), &temp);
((u8 *)dest)[i] = temp;
}
msm_sdw->int_mclk1_enabled = true;
schedule_delayed_work(&msm_sdw->disable_int_mclk1_work, 50);
goto unlock_exit;
}
for (i = 0; i < bytes; i++) {
ret = msm_sdw_ahb_read_device(
msm_sdw, reg + (4 * i), &temp);
((u8 *)dest)[i] = temp;
}
unlock_exit:
mutex_unlock(&msm_sdw->cdc_int_mclk1_mutex);
if (ret < 0) {
dev_err_ratelimited(msm_sdw->dev,
"%s: codec read failed for reg 0x%x\n",
__func__, reg);
return ret;
}
dev_dbg(msm_sdw->dev, "Read 0x%02x from 0x%x\n", temp, reg);
return 0;
}
static int __msm_sdw_reg_write(struct msm_sdw_priv *msm_sdw, unsigned short reg,
int bytes, void *src)
{
int ret = -EINVAL, i;
mutex_lock(&msm_sdw->cdc_int_mclk1_mutex);
if (msm_sdw->int_mclk1_enabled == false) {
msm_sdw->sdw_cdc_core_clk.enable = 1;
ret = afe_set_lpass_clock_v2(AFE_PORT_ID_INT4_MI2S_RX,
&msm_sdw->sdw_cdc_core_clk);
if (ret < 0) {
dev_err(msm_sdw->dev,
"%s: failed to enable the INT_MCLK1\n",
__func__);
ret = 0;
goto unlock_exit;
}
dev_dbg(msm_sdw->dev, "%s: enabled INT_MCLK1\n", __func__);
for (i = 0; i < bytes; i++)
ret = msm_sdw_ahb_write_device(msm_sdw, reg + (4 * i),
&((u8 *)src)[i]);
msm_sdw->int_mclk1_enabled = true;
schedule_delayed_work(&msm_sdw->disable_int_mclk1_work, 50);
goto unlock_exit;
}
for (i = 0; i < bytes; i++)
ret = msm_sdw_ahb_write_device(msm_sdw, reg + (4 * i),
&((u8 *)src)[i]);
unlock_exit:
mutex_unlock(&msm_sdw->cdc_int_mclk1_mutex);
dev_dbg(msm_sdw->dev, "Write 0x%x val 0x%02x\n",
reg, (u32)(*(u32 *)src));
return ret;
}
static int msm_sdw_codec_enable_vi_feedback(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = NULL;
struct msm_sdw_priv *msm_sdw_p = NULL;
int ret = 0;
if (!w) {
pr_err("%s invalid params\n", __func__);
return -EINVAL;
}
codec = snd_soc_dapm_to_codec(w->dapm);
msm_sdw_p = snd_soc_codec_get_drvdata(codec);
dev_dbg(codec->dev, "%s: num_dai %d stream name %s\n",
__func__, codec->component.num_dai, w->sname);
dev_dbg(codec->dev, "%s(): w->name %s event %d w->shift %d\n",
__func__, w->name, event, w->shift);
if (w->shift != AIF1_SDW_VIFEED) {
dev_err(codec->dev,
"%s:Error in enabling the vi feedback path\n",
__func__);
ret = -EINVAL;
goto out_vi;
}
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (test_bit(VI_SENSE_1, &msm_sdw_p->status_mask)) {
dev_dbg(codec->dev, "%s: spkr1 enabled\n", __func__);
/* Enable V&I sensing */
snd_soc_update_bits(codec,
MSM_SDW_TX9_SPKR_PROT_PATH_CTL, 0x20, 0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX10_SPKR_PROT_PATH_CTL, 0x20,
0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX9_SPKR_PROT_PATH_CTL, 0x0F, 0x04);
snd_soc_update_bits(codec,
MSM_SDW_TX10_SPKR_PROT_PATH_CTL, 0x0F, 0x04);
snd_soc_update_bits(codec,
MSM_SDW_TX9_SPKR_PROT_PATH_CTL, 0x10, 0x10);
snd_soc_update_bits(codec,
MSM_SDW_TX10_SPKR_PROT_PATH_CTL, 0x10,
0x10);
snd_soc_update_bits(codec,
MSM_SDW_TX9_SPKR_PROT_PATH_CTL, 0x20, 0x00);
snd_soc_update_bits(codec,
MSM_SDW_TX10_SPKR_PROT_PATH_CTL, 0x20,
0x00);
}
if (test_bit(VI_SENSE_2, &msm_sdw_p->status_mask)) {
dev_dbg(codec->dev, "%s: spkr2 enabled\n", __func__);
/* Enable V&I sensing */
snd_soc_update_bits(codec,
MSM_SDW_TX11_SPKR_PROT_PATH_CTL, 0x20,
0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX12_SPKR_PROT_PATH_CTL, 0x20,
0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX11_SPKR_PROT_PATH_CTL, 0x0F,
0x04);
snd_soc_update_bits(codec,
MSM_SDW_TX12_SPKR_PROT_PATH_CTL, 0x0F,
0x04);
snd_soc_update_bits(codec,
MSM_SDW_TX11_SPKR_PROT_PATH_CTL, 0x10,
0x10);
snd_soc_update_bits(codec,
MSM_SDW_TX12_SPKR_PROT_PATH_CTL, 0x10,
0x10);
snd_soc_update_bits(codec,
MSM_SDW_TX11_SPKR_PROT_PATH_CTL, 0x20,
0x00);
snd_soc_update_bits(codec,
MSM_SDW_TX12_SPKR_PROT_PATH_CTL, 0x20,
0x00);
}
break;
case SND_SOC_DAPM_POST_PMD:
if (test_bit(VI_SENSE_1, &msm_sdw_p->status_mask)) {
/* Disable V&I sensing */
dev_dbg(codec->dev, "%s: spkr1 disabled\n", __func__);
snd_soc_update_bits(codec,
MSM_SDW_TX9_SPKR_PROT_PATH_CTL, 0x20, 0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX10_SPKR_PROT_PATH_CTL, 0x20,
0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX9_SPKR_PROT_PATH_CTL, 0x10, 0x00);
snd_soc_update_bits(codec,
MSM_SDW_TX10_SPKR_PROT_PATH_CTL, 0x10,
0x00);
}
if (test_bit(VI_SENSE_2, &msm_sdw_p->status_mask)) {
/* Disable V&I sensing */
dev_dbg(codec->dev, "%s: spkr2 disabled\n", __func__);
snd_soc_update_bits(codec,
MSM_SDW_TX11_SPKR_PROT_PATH_CTL, 0x20,
0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX12_SPKR_PROT_PATH_CTL, 0x20,
0x20);
snd_soc_update_bits(codec,
MSM_SDW_TX11_SPKR_PROT_PATH_CTL, 0x10,
0x00);
snd_soc_update_bits(codec,
MSM_SDW_TX12_SPKR_PROT_PATH_CTL, 0x10,
0x00);
}
break;
}
out_vi:
return ret;
}
static int msm_sdwm_handle_irq(void *handle,
irqreturn_t (*swrm_irq_handler)(int irq,
void *data),
void *swrm_handle,
int action)
{
struct msm_sdw_priv *msm_sdw;
int ret = 0;
if (!handle) {
pr_err("%s: null handle received\n", __func__);
return -EINVAL;
}
msm_sdw = (struct msm_sdw_priv *) handle;
if (skip_irq)
return ret;
if (action) {
ret = request_threaded_irq(msm_sdw->sdw_irq, NULL,
swrm_irq_handler,
IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
"swr_master_irq", swrm_handle);
if (ret)
dev_err(msm_sdw->dev, "%s: Failed to request irq %d\n",
__func__, ret);
} else
free_irq(msm_sdw->sdw_irq, swrm_handle);
return ret;
}
static void msm_sdw_codec_hd2_control(struct snd_soc_codec *codec,
u16 reg, int event)
{
u16 hd2_scale_reg;
u16 hd2_enable_reg = 0;
if (reg == MSM_SDW_RX7_RX_PATH_CTL) {
hd2_scale_reg = MSM_SDW_RX7_RX_PATH_SEC3;
hd2_enable_reg = MSM_SDW_RX7_RX_PATH_CFG0;
}
if (reg == MSM_SDW_RX8_RX_PATH_CTL) {
hd2_scale_reg = MSM_SDW_RX8_RX_PATH_SEC3;
hd2_enable_reg = MSM_SDW_RX8_RX_PATH_CFG0;
}
if (hd2_enable_reg && SND_SOC_DAPM_EVENT_ON(event)) {
snd_soc_update_bits(codec, hd2_scale_reg, 0x3C, 0x10);
snd_soc_update_bits(codec, hd2_scale_reg, 0x03, 0x01);
snd_soc_update_bits(codec, hd2_enable_reg, 0x04, 0x04);
}
if (hd2_enable_reg && SND_SOC_DAPM_EVENT_OFF(event)) {
snd_soc_update_bits(codec, hd2_enable_reg, 0x04, 0x00);
snd_soc_update_bits(codec, hd2_scale_reg, 0x03, 0x00);
snd_soc_update_bits(codec, hd2_scale_reg, 0x3C, 0x00);
}
}
static int msm_sdw_enable_swr(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct msm_sdw_priv *msm_sdw;
int i, ch_cnt;
msm_sdw = snd_soc_codec_get_drvdata(codec);
if (!msm_sdw->nr)
return 0;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (!(strnstr(w->name, "RX4", sizeof("RX4 MIX"))) &&
!msm_sdw->rx_4_count)
msm_sdw->rx_4_count++;
if (!(strnstr(w->name, "RX5", sizeof("RX5 MIX"))) &&
!msm_sdw->rx_5_count)
msm_sdw->rx_5_count++;
ch_cnt = msm_sdw->rx_4_count + msm_sdw->rx_5_count;
for (i = 0; i < msm_sdw->nr; i++) {
swrm_wcd_notify(msm_sdw->sdw_ctrl_data[i].sdw_pdev,
SWR_DEVICE_UP, NULL);
swrm_wcd_notify(msm_sdw->sdw_ctrl_data[i].sdw_pdev,
SWR_SET_NUM_RX_CH, &ch_cnt);
}
break;
case SND_SOC_DAPM_POST_PMD:
if (!(strnstr(w->name, "RX4", sizeof("RX4 MIX"))) &&
msm_sdw->rx_4_count)
msm_sdw->rx_4_count--;
if (!(strnstr(w->name, "RX5", sizeof("RX5 MIX"))) &&
msm_sdw->rx_5_count)
msm_sdw->rx_5_count--;
ch_cnt = msm_sdw->rx_4_count + msm_sdw->rx_5_count;
for (i = 0; i < msm_sdw->nr; i++)
swrm_wcd_notify(msm_sdw->sdw_ctrl_data[i].sdw_pdev,
SWR_SET_NUM_RX_CH, &ch_cnt);
break;
}
dev_dbg(msm_sdw->dev, "%s: current swr ch cnt: %d\n",
__func__, msm_sdw->rx_4_count + msm_sdw->rx_5_count);
return 0;
}
static int msm_sdw_codec_enable_interpolator(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol,
int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
u16 gain_reg;
u16 reg;
int val;
int offset_val = 0;
dev_dbg(codec->dev, "%s %d %s\n", __func__, event, w->name);
if (!(strcmp(w->name, "RX INT4 INTERP"))) {
reg = MSM_SDW_RX7_RX_PATH_CTL;
gain_reg = MSM_SDW_RX7_RX_VOL_CTL;
} else if (!(strcmp(w->name, "RX INT5 INTERP"))) {
reg = MSM_SDW_RX8_RX_PATH_CTL;
gain_reg = MSM_SDW_RX8_RX_VOL_CTL;
} else {
dev_err(codec->dev, "%s: Interpolator reg not found\n",
__func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, reg, 0x10, 0x10);
msm_sdw_codec_hd2_control(codec, reg, event);
snd_soc_update_bits(codec, reg, 1 << 0x5, 1 << 0x5);
break;
case SND_SOC_DAPM_POST_PMU:
msm_sdw_config_compander(codec, w->shift, event);
/* apply gain after int clk is enabled */
if ((msm_sdw->spkr_gain_offset == RX_GAIN_OFFSET_M1P5_DB) &&
(msm_sdw->comp_enabled[COMP1] ||
msm_sdw->comp_enabled[COMP2]) &&
(gain_reg == MSM_SDW_RX7_RX_VOL_CTL ||
gain_reg == MSM_SDW_RX8_RX_VOL_CTL)) {
snd_soc_update_bits(codec, MSM_SDW_RX7_RX_PATH_SEC1,
0x01, 0x01);
snd_soc_update_bits(codec,
MSM_SDW_RX7_RX_PATH_MIX_SEC0,
0x01, 0x01);
snd_soc_update_bits(codec, MSM_SDW_RX8_RX_PATH_SEC1,
0x01, 0x01);
snd_soc_update_bits(codec,
MSM_SDW_RX8_RX_PATH_MIX_SEC0,
0x01, 0x01);
offset_val = -2;
}
val = snd_soc_read(codec, gain_reg);
val += offset_val;
snd_soc_write(codec, gain_reg, val);
msm_sdw_config_ear_spkr_gain(codec, event, gain_reg);
snd_soc_update_bits(codec, reg, 0x10, 0x00);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, reg, 1 << 0x5, 0 << 0x5);
snd_soc_update_bits(codec, reg, 0x40, 0x40);
snd_soc_update_bits(codec, reg, 0x40, 0x00);
msm_sdw_codec_hd2_control(codec, reg, event);
msm_sdw_config_compander(codec, w->shift, event);
if ((msm_sdw->spkr_gain_offset == RX_GAIN_OFFSET_M1P5_DB) &&
(msm_sdw->comp_enabled[COMP1] ||
msm_sdw->comp_enabled[COMP2]) &&
(gain_reg == MSM_SDW_RX7_RX_VOL_CTL ||
gain_reg == MSM_SDW_RX8_RX_VOL_CTL)) {
snd_soc_update_bits(codec, MSM_SDW_RX7_RX_PATH_SEC1,
0x01, 0x00);
snd_soc_update_bits(codec,
MSM_SDW_RX7_RX_PATH_MIX_SEC0,
0x01, 0x00);
snd_soc_update_bits(codec, MSM_SDW_RX8_RX_PATH_SEC1,
0x01, 0x00);
snd_soc_update_bits(codec,
MSM_SDW_RX8_RX_PATH_MIX_SEC0,
0x01, 0x00);
offset_val = 2;
val = snd_soc_read(codec, gain_reg);
val += offset_val;
snd_soc_write(codec, gain_reg, val);
}
msm_sdw_config_ear_spkr_gain(codec, event, gain_reg);
break;
};
return 0;
}
static int msm_sdw_config_ear_spkr_gain(struct snd_soc_codec *codec,
int event, int gain_reg)
{
int comp_gain_offset, val;
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
switch (msm_sdw->spkr_mode) {
/* Compander gain in SPKR_MODE1 case is 12 dB */
case SPKR_MODE_1:
comp_gain_offset = -12;
break;
/* Default case compander gain is 15 dB */
default:
comp_gain_offset = -15;
break;
}
switch (event) {
case SND_SOC_DAPM_POST_PMU:
/* Apply ear spkr gain only if compander is enabled */
if (msm_sdw->comp_enabled[COMP1] &&
(gain_reg == MSM_SDW_RX7_RX_VOL_CTL) &&
(msm_sdw->ear_spkr_gain != 0)) {
/* For example, val is -8(-12+5-1) for 4dB of gain */
val = comp_gain_offset + msm_sdw->ear_spkr_gain - 1;
snd_soc_write(codec, gain_reg, val);
dev_dbg(codec->dev, "%s: RX4 Volume %d dB\n",
__func__, val);
}
break;
case SND_SOC_DAPM_POST_PMD:
/*
* Reset RX4 volume to 0 dB if compander is enabled and
* ear_spkr_gain is non-zero.
*/
if (msm_sdw->comp_enabled[COMP1] &&
(gain_reg == MSM_SDW_RX7_RX_VOL_CTL) &&
(msm_sdw->ear_spkr_gain != 0)) {
snd_soc_write(codec, gain_reg, 0x0);
dev_dbg(codec->dev, "%s: Reset RX4 Volume to 0 dB\n",
__func__);
}
break;
}
return 0;
}
static int msm_sdw_codec_spk_boost_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);
u16 boost_path_ctl, boost_path_cfg1;
u16 reg;
dev_dbg(codec->dev, "%s %s %d\n", __func__, w->name, event);
if (!strcmp(w->name, "RX INT4 CHAIN")) {
boost_path_ctl = MSM_SDW_BOOST0_BOOST_PATH_CTL;
boost_path_cfg1 = MSM_SDW_RX7_RX_PATH_CFG1;
reg = MSM_SDW_RX7_RX_PATH_CTL;
} else if (!strcmp(w->name, "RX INT5 CHAIN")) {
boost_path_ctl = MSM_SDW_BOOST1_BOOST_PATH_CTL;
boost_path_cfg1 = MSM_SDW_RX8_RX_PATH_CFG1;
reg = MSM_SDW_RX8_RX_PATH_CTL;
} else {
dev_err(codec->dev, "%s: boost reg not found\n",
__func__);
return -EINVAL;
}
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
snd_soc_update_bits(codec, boost_path_ctl, 0x10, 0x10);
snd_soc_update_bits(codec, boost_path_cfg1, 0x01, 0x01);
snd_soc_update_bits(codec, reg, 0x10, 0x00);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_update_bits(codec, boost_path_cfg1, 0x01, 0x00);
snd_soc_update_bits(codec, boost_path_ctl, 0x10, 0x00);
break;
};
return 0;
}
static int msm_sdw_config_compander(struct snd_soc_codec *codec, int comp,
int event)
{
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
u16 comp_ctl0_reg, rx_path_cfg0_reg;
if (comp < COMP1 || comp >= COMP_MAX)
return 0;
dev_dbg(codec->dev, "%s: event %d compander %d, enabled %d\n",
__func__, event, comp + 1, msm_sdw->comp_enabled[comp]);
if (!msm_sdw->comp_enabled[comp])
return 0;
comp_ctl0_reg = MSM_SDW_COMPANDER7_CTL0 + (comp * 0x20);
rx_path_cfg0_reg = MSM_SDW_RX7_RX_PATH_CFG0 + (comp * 0x1E0);
if (SND_SOC_DAPM_EVENT_ON(event)) {
/* Enable Compander Clock */
snd_soc_update_bits(codec, comp_ctl0_reg, 0x01, 0x01);
snd_soc_update_bits(codec, comp_ctl0_reg, 0x02, 0x02);
snd_soc_update_bits(codec, comp_ctl0_reg, 0x02, 0x00);
snd_soc_update_bits(codec, rx_path_cfg0_reg, 0x02, 0x02);
}
if (SND_SOC_DAPM_EVENT_OFF(event)) {
snd_soc_update_bits(codec, comp_ctl0_reg, 0x04, 0x04);
snd_soc_update_bits(codec, rx_path_cfg0_reg, 0x02, 0x00);
snd_soc_update_bits(codec, comp_ctl0_reg, 0x02, 0x02);
snd_soc_update_bits(codec, comp_ctl0_reg, 0x02, 0x00);
snd_soc_update_bits(codec, comp_ctl0_reg, 0x01, 0x00);
snd_soc_update_bits(codec, comp_ctl0_reg, 0x04, 0x00);
}
return 0;
}
static int msm_sdw_get_compander(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
int comp = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = msm_sdw->comp_enabled[comp];
return 0;
}
static int msm_sdw_set_compander(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
int comp = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
int value = ucontrol->value.integer.value[0];
dev_dbg(codec->dev, "%s: Compander %d enable current %d, new %d\n",
__func__, comp + 1, msm_sdw->comp_enabled[comp], value);
msm_sdw->comp_enabled[comp] = value;
return 0;
}
static int msm_sdw_ear_spkr_pa_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = msm_sdw->ear_spkr_gain;
dev_dbg(codec->dev, "%s: ucontrol->value.integer.value[0] = %ld\n",
__func__, ucontrol->value.integer.value[0]);
return 0;
}
static int msm_sdw_ear_spkr_pa_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct msm_sdw_priv *msm_sdw = snd_soc_codec_get_drvdata(codec);
msm_sdw->ear_spkr_gain = ucontrol->value.integer.value[0];
dev_dbg(codec->dev, "%s: gain = %d\n", __func__,
msm_sdw->ear_spkr_gain);
return 0;
}
static int msm_sdw_spkr_left_boost_stage_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 bst_state_max = 0;
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
bst_state_max = snd_soc_read(codec, MSM_SDW_BOOST0_BOOST_CTL);
bst_state_max = (bst_state_max & 0x0c) >> 2;
ucontrol->value.integer.value[0] = bst_state_max;
dev_dbg(codec->dev, "%s: ucontrol->value.integer.value[0] = %ld\n",
__func__, ucontrol->value.integer.value[0]);
return 0;
}
static int msm_sdw_spkr_left_boost_stage_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 bst_state_max;
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
dev_dbg(codec->dev, "%s: ucontrol->value.integer.value[0] = %ld\n",
__func__, ucontrol->value.integer.value[0]);
bst_state_max = ucontrol->value.integer.value[0] << 2;
snd_soc_update_bits(codec, MSM_SDW_BOOST0_BOOST_CTL,
0x0c, bst_state_max);
return 0;
}
static int msm_sdw_spkr_right_boost_stage_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 bst_state_max = 0;
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
bst_state_max = snd_soc_read(codec, MSM_SDW_BOOST1_BOOST_CTL);
bst_state_max = (bst_state_max & 0x0c) >> 2;
ucontrol->value.integer.value[0] = bst_state_max;
dev_dbg(codec->dev, "%s: ucontrol->value.integer.value[0] = %ld\n",
__func__, ucontrol->value.integer.value[0]);
return 0;
}
static int msm_sdw_spkr_right_boost_stage_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
u8 bst_state_max;
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
dev_dbg(codec->dev, "%s: ucontrol->value.integer.value[0] = %ld\n",
__func__, ucontrol->value.integer.value[0]);
bst_state_max = ucontrol->value.integer.value[0] << 2;
snd_soc_update_bits(codec, MSM_SDW_BOOST1_BOOST_CTL,
0x0c, bst_state_max);
return 0;
}
static int msm_sdw_vi_feed_mixer_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget =
snd_soc_dapm_kcontrol_widget(kcontrol);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(widget->dapm);
struct msm_sdw_priv *msm_sdw_p = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = msm_sdw_p->vi_feed_value;
return 0;
}
static int msm_sdw_vi_feed_mixer_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget =
snd_soc_dapm_kcontrol_widget(kcontrol);
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(widget->dapm);
struct msm_sdw_priv *msm_sdw_p = snd_soc_codec_get_drvdata(codec);
struct soc_multi_mixer_control *mixer =
((struct soc_multi_mixer_control *)kcontrol->private_value);
u32 dai_id = widget->shift;
u32 port_id = mixer->shift;
u32 enable = ucontrol->value.integer.value[0];
dev_dbg(codec->dev, "%s: enable: %d, port_id:%d, dai_id: %d\n",
__func__, enable, port_id, dai_id);
msm_sdw_p->vi_feed_value = ucontrol->value.integer.value[0];
mutex_lock(&msm_sdw_p->codec_mutex);
if (enable) {
if (port_id == MSM_SDW_TX0 && !test_bit(VI_SENSE_1,
&msm_sdw_p->status_mask))
set_bit(VI_SENSE_1, &msm_sdw_p->status_mask);
if (port_id == MSM_SDW_TX1 && !test_bit(VI_SENSE_2,
&msm_sdw_p->status_mask))
set_bit(VI_SENSE_2, &msm_sdw_p->status_mask);
} else {
if (port_id == MSM_SDW_TX0 && test_bit(VI_SENSE_1,
&msm_sdw_p->status_mask))
clear_bit(VI_SENSE_1, &msm_sdw_p->status_mask);
if (port_id == MSM_SDW_TX1 && test_bit(VI_SENSE_2,
&msm_sdw_p->status_mask))
clear_bit(VI_SENSE_2, &msm_sdw_p->status_mask);
}
mutex_unlock(&msm_sdw_p->codec_mutex);
snd_soc_dapm_mixer_update_power(widget->dapm, kcontrol, enable, NULL);
return 0;
}
static int msm_sdw_mclk_enable(struct msm_sdw_priv *msm_sdw,
int mclk_enable, bool dapm)
{
dev_dbg(msm_sdw->dev, "%s: mclk_enable = %u, dapm = %d clk_users= %d\n",
__func__, mclk_enable, dapm, msm_sdw->sdw_mclk_users);
if (mclk_enable) {
msm_sdw->sdw_mclk_users++;
if (msm_sdw->sdw_mclk_users == 1) {
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_CLK_RST_CTRL_FS_CNT_CONTROL,
0x01, 0x01);
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_CLK_RST_CTRL_MCLK_CONTROL,
0x01, 0x01);
/* 9.6MHz MCLK, set value 0x00 if other frequency */
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_TOP_FREQ_MCLK, 0x01, 0x01);
}
} else {
msm_sdw->sdw_mclk_users--;
if (msm_sdw->sdw_mclk_users == 0) {
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_CLK_RST_CTRL_FS_CNT_CONTROL,
0x01, 0x00);
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_CLK_RST_CTRL_MCLK_CONTROL,
0x01, 0x00);
}
}
return 0;
}
EXPORT_SYMBOL(msm_sdw_mclk_enable);
static int msm_sdw_swrm_read(void *handle, int reg)
{
struct msm_sdw_priv *msm_sdw;
unsigned short sdw_rd_addr_base;
unsigned short sdw_rd_data_base;
int val, ret;
if (!handle) {
pr_err("%s: NULL handle\n", __func__);
return -EINVAL;
}
msm_sdw = (struct msm_sdw_priv *)handle;
dev_dbg(msm_sdw->dev, "%s: Reading soundwire register, 0x%x\n",
__func__, reg);
sdw_rd_addr_base = MSM_SDW_AHB_BRIDGE_RD_ADDR_0;
sdw_rd_data_base = MSM_SDW_AHB_BRIDGE_RD_DATA_0;
/*
* Add sleep as SWR slave access read takes time.
* Allow for RD_DONE to complete for previous register if any.
*/
usleep_range(100, 105);
/* read_lock */
mutex_lock(&msm_sdw->sdw_read_lock);
ret = regmap_bulk_write(msm_sdw->regmap, sdw_rd_addr_base,
(u8 *)&reg, 4);
if (ret < 0) {
dev_err(msm_sdw->dev, "%s: RD Addr Failure\n", __func__);
goto err;
}
/* Add sleep for SWR register read value to get updated. */
usleep_range(100, 105);
/* Check for RD value */
ret = regmap_bulk_read(msm_sdw->regmap, sdw_rd_data_base,
(u8 *)&val, 4);
if (ret < 0) {
dev_err(msm_sdw->dev, "%s: RD Data Failure\n", __func__);
goto err;
}
ret = val;
err:
/* read_unlock */
mutex_unlock(&msm_sdw->sdw_read_lock);
return ret;
}
static int msm_sdw_bulk_write(struct msm_sdw_priv *msm_sdw,
struct msm_sdw_reg_val *bulk_reg,
size_t len)
{
int i, ret = 0;
unsigned short sdw_wr_addr_base;
unsigned short sdw_wr_data_base;
sdw_wr_addr_base = MSM_SDW_AHB_BRIDGE_WR_ADDR_0;
sdw_wr_data_base = MSM_SDW_AHB_BRIDGE_WR_DATA_0;
for (i = 0; i < len; i += 2) {
/*
* Add sleep as SWR slave write takes time.
* Allow for any previous pending write to complete.
*/
usleep_range(100, 105);
/* First Write the Data to register */
ret = regmap_bulk_write(msm_sdw->regmap,
sdw_wr_data_base, bulk_reg[i].buf, 4);
if (ret < 0) {
dev_err(msm_sdw->dev, "%s: WR Data Failure\n",
__func__);
break;
}
/* Next Write Address */
ret = regmap_bulk_write(msm_sdw->regmap,
sdw_wr_addr_base, bulk_reg[i+1].buf, 4);
if (ret < 0) {
dev_err(msm_sdw->dev,
"%s: WR Addr Failure: 0x%x\n",
__func__, (u32)(bulk_reg[i+1].buf[0]));
break;
}
}
return ret;
}
static int msm_sdw_swrm_bulk_write(void *handle, u32 *reg, u32 *val, size_t len)
{
struct msm_sdw_priv *msm_sdw;
struct msm_sdw_reg_val *bulk_reg;
unsigned short sdw_wr_addr_base;
unsigned short sdw_wr_data_base;
int i, j, ret;
if (!handle) {
pr_err("%s: NULL handle\n", __func__);
return -EINVAL;
}
msm_sdw = (struct msm_sdw_priv *)handle;
if (len <= 0) {
dev_err(msm_sdw->dev,
"%s: Invalid size: %zu\n", __func__, len);
return -EINVAL;
}
sdw_wr_addr_base = MSM_SDW_AHB_BRIDGE_WR_ADDR_0;
sdw_wr_data_base = MSM_SDW_AHB_BRIDGE_WR_DATA_0;
bulk_reg = kzalloc((2 * len * sizeof(struct msm_sdw_reg_val)),
GFP_KERNEL);
if (!bulk_reg)
return -ENOMEM;
for (i = 0, j = 0; i < (len * 2); i += 2, j++) {
bulk_reg[i].reg = sdw_wr_data_base;
bulk_reg[i].buf = (u8 *)(&val[j]);
bulk_reg[i].bytes = 4;
bulk_reg[i+1].reg = sdw_wr_addr_base;
bulk_reg[i+1].buf = (u8 *)(&reg[j]);
bulk_reg[i+1].bytes = 4;
}
mutex_lock(&msm_sdw->sdw_write_lock);
ret = msm_sdw_bulk_write(msm_sdw, bulk_reg, (len * 2));
if (ret)
dev_err(msm_sdw->dev, "%s: swrm bulk write failed, ret: %d\n",
__func__, ret);
mutex_unlock(&msm_sdw->sdw_write_lock);
kfree(bulk_reg);
return ret;
}
static int msm_sdw_swrm_write(void *handle, int reg, int val)
{
struct msm_sdw_priv *msm_sdw;
unsigned short sdw_wr_addr_base;
unsigned short sdw_wr_data_base;
struct msm_sdw_reg_val bulk_reg[2];
int ret;
if (!handle) {
pr_err("%s: NULL handle\n", __func__);
return -EINVAL;
}
msm_sdw = (struct msm_sdw_priv *)handle;
sdw_wr_addr_base = MSM_SDW_AHB_BRIDGE_WR_ADDR_0;
sdw_wr_data_base = MSM_SDW_AHB_BRIDGE_WR_DATA_0;
/* First Write the Data to register */
bulk_reg[0].reg = sdw_wr_data_base;
bulk_reg[0].buf = (u8 *)(&val);
bulk_reg[0].bytes = 4;
bulk_reg[1].reg = sdw_wr_addr_base;
bulk_reg[1].buf = (u8 *)(&reg);
bulk_reg[1].bytes = 4;
mutex_lock(&msm_sdw->sdw_write_lock);
ret = msm_sdw_bulk_write(msm_sdw, bulk_reg, 2);
if (ret < 0)
dev_err(msm_sdw->dev, "%s: WR Data Failure\n", __func__);
mutex_unlock(&msm_sdw->sdw_write_lock);
return ret;
}
static int msm_sdw_swrm_clock(void *handle, bool enable)
{
struct msm_sdw_priv *msm_sdw = (struct msm_sdw_priv *) handle;
mutex_lock(&msm_sdw->sdw_clk_lock);
dev_dbg(msm_sdw->dev, "%s: swrm clock %s\n",
__func__, (enable ? "enable" : "disable"));
if (enable) {
msm_sdw->sdw_clk_users++;
if (msm_sdw->sdw_clk_users == 1) {
msm_int_enable_sdw_cdc_clk(msm_sdw, 1, true);
msm_sdw_mclk_enable(msm_sdw, 1, true);
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_CLK_RST_CTRL_SWR_CONTROL, 0x01, 0x01);
msm_enable_sdw_npl_clk(msm_sdw, true);
msm_cdc_pinctrl_select_active_state(
msm_sdw->sdw_gpio_p);
}
} else {
msm_sdw->sdw_clk_users--;
if (msm_sdw->sdw_clk_users == 0) {
regmap_update_bits(msm_sdw->regmap,
MSM_SDW_CLK_RST_CTRL_SWR_CONTROL,
0x01, 0x00);
msm_sdw_mclk_enable(msm_sdw, 0, true);
msm_int_enable_sdw_cdc_clk(msm_sdw, 0, true);
msm_enable_sdw_npl_clk(msm_sdw, false);
msm_cdc_pinctrl_select_sleep_state(msm_sdw->sdw_gpio_p);
}
}
dev_dbg(msm_sdw->dev, "%s: swrm clock users %d\n",
__func__, msm_sdw->sdw_clk_users);
mutex_unlock(&msm_sdw->sdw_clk_lock);
return 0;
}
static int msm_sdw_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
dev_dbg(dai->codec->dev, "%s(): substream = %s stream = %d\n",
__func__,
substream->name, substream->stream);
return 0;
}
static int msm_sdw_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
u8 clk_fs_rate, fs_rate;
dev_dbg(dai->codec->dev,
"%s: dai_name = %s DAI-ID %x rate %d num_ch %d format %d\n",
__func__, dai->name, dai->id, params_rate(params),
params_channels(params), params_format(params));
switch (params_rate(params)) {
case 8000:
clk_fs_rate = 0x00;
fs_rate = 0x00;
break;
case 16000:
clk_fs_rate = 0x01;
fs_rate = 0x01;
break;
case 32000:
clk_fs_rate = 0x02;
fs_rate = 0x03;
break;
case 48000:
clk_fs_rate = 0x03;
fs_rate = 0x04;
break;
case 96000:
clk_fs_rate = 0x04;
fs_rate = 0x05;
break;
case 192000:
clk_fs_rate = 0x05;
fs_rate = 0x06;
break;
default:
dev_err(dai->codec->dev,
"%s: Invalid sampling rate %d\n", __func__,
params_rate(params));
return -EINVAL;
}
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
snd_soc_update_bits(dai->codec,
MSM_SDW_TOP_TX_I2S_CTL, 0x1C,
(clk_fs_rate << 2));
} else {
snd_soc_update_bits(dai->codec,
MSM_SDW_TOP_RX_I2S_CTL, 0x1C,
(clk_fs_rate << 2));
snd_soc_update_bits(dai->codec,
MSM_SDW_RX7_RX_PATH_CTL, 0x0F,
fs_rate);
snd_soc_update_bits(dai->codec,
MSM_SDW_RX8_RX_PATH_CTL, 0x0F,
fs_rate);
}
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
snd_soc_update_bits(dai->codec,
MSM_SDW_TOP_TX_I2S_CTL, 0x20, 0x20);
else
snd_soc_update_bits(dai->codec,
MSM_SDW_TOP_RX_I2S_CTL, 0x20, 0x20);
break;
case SNDRV_PCM_FORMAT_S24_LE:
case SNDRV_PCM_FORMAT_S24_3LE:
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
snd_soc_update_bits(dai->codec,
MSM_SDW_TOP_TX_I2S_CTL, 0x20, 0x00);
else
snd_soc_update_bits(dai->codec,
MSM_SDW_TOP_RX_I2S_CTL, 0x20, 0x00);
break;
default:
dev_err(dai->codec->dev, "%s: wrong format selected\n",
__func__);
return -EINVAL;
}
return 0;
}
static void msm_sdw_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
dev_dbg(dai->codec->dev,
"%s(): substream = %s stream = %d\n", __func__,
substream->name, substream->stream);
}
static ssize_t msm_sdw_codec_version_read(struct snd_info_entry *entry,
void *file_private_data,
struct file *file,
char __user *buf, size_t count,
loff_t pos)
{
struct msm_sdw_priv *msm_sdw;
char buffer[MSM_SDW_VERSION_ENTRY_SIZE];
int len = 0;
msm_sdw = (struct msm_sdw_priv *) entry->private_data;
if (!msm_sdw) {
pr_err("%s: msm_sdw priv is null\n", __func__);
return -EINVAL;
}
switch (msm_sdw->version) {
case MSM_SDW_VERSION_1_0:
len = snprintf(buffer, sizeof(buffer), "SDW-CDC_1_0\n");
break;
default:
len = snprintf(buffer, sizeof(buffer), "VER_UNDEFINED\n");
}
return simple_read_from_buffer(buf, count, &pos, buffer, len);
}
static struct snd_info_entry_ops msm_sdw_codec_info_ops = {
.read = msm_sdw_codec_version_read,
};
/*
* msm_sdw_codec_info_create_codec_entry - creates msm_sdw module
* @codec_root: The parent directory
* @codec: Codec instance
*
* Creates msm_sdw module and version entry under the given
* parent directory.
*
* Return: 0 on success or negative error code on failure.
*/
int msm_sdw_codec_info_create_codec_entry(struct snd_info_entry *codec_root,
struct snd_soc_codec *codec)
{
struct snd_info_entry *version_entry;
struct msm_sdw_priv *msm_sdw;
struct snd_soc_card *card;
char name[80];
if (!codec_root || !codec)
return -EINVAL;
msm_sdw = snd_soc_codec_get_drvdata(codec);
card = codec->component.card;
snprintf(name, sizeof(name), "%x.%s", (u32)msm_sdw->sdw_base_addr,
"msm-sdw-codec");
msm_sdw->entry = snd_info_create_subdir(codec_root->module,
(const char *)name,
codec_root);
if (!msm_sdw->entry) {
dev_err(codec->dev, "%s: failed to create msm_sdw entry\n",
__func__);
return -ENOMEM;
}
version_entry = snd_info_create_card_entry(card->snd_card,
"version",
msm_sdw->entry);
if (!version_entry) {
dev_err(codec->dev, "%s: failed to create msm_sdw version entry\n",
__func__);
return -ENOMEM;
}
version_entry->private_data = msm_sdw;
version_entry->size = MSM_SDW_VERSION_ENTRY_SIZE;
version_entry->content = SNDRV_INFO_CONTENT_DATA;
version_entry->c.ops = &msm_sdw_codec_info_ops;
if (snd_info_register(version_entry) < 0) {
snd_info_free_entry(version_entry);
return -ENOMEM;
}
msm_sdw->version_entry = version_entry;
return 0;
}
EXPORT_SYMBOL(msm_sdw_codec_info_create_codec_entry);
static struct snd_soc_dai_ops msm_sdw_dai_ops = {
.startup = msm_sdw_startup,
.shutdown = msm_sdw_shutdown,
.hw_params = msm_sdw_hw_params,
};
static struct snd_soc_dai_driver msm_sdw_dai[] = {
{
.name = "msm_sdw_i2s_rx1",
.id = AIF1_SDW_PB,
.playback = {
.stream_name = "AIF1_SDW Playback",
.rates = MSM_SDW_RATES,
.formats = MSM_SDW_FORMATS,
.rate_max = 192000,
.rate_min = 8000,
.channels_min = 1,
.channels_max = 4,
},
.ops = &msm_sdw_dai_ops,
},
{
.name = "msm_sdw_vifeedback",
.id = AIF1_SDW_VIFEED,
.capture = {
.stream_name = "VIfeed_SDW",
.rates = MSM_SDW_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rate_max = 48000,
.rate_min = 8000,
.channels_min = 2,
.channels_max = 4,
},
.ops = &msm_sdw_dai_ops,
},
};
static const char * const rx_mix1_text[] = {
"ZERO", "RX4", "RX5"
};
static const char * const msm_sdw_ear_spkr_pa_gain_text[] = {
"G_DEFAULT", "G_0_DB", "G_1_DB", "G_2_DB", "G_3_DB",
"G_4_DB", "G_5_DB", "G_6_DB"
};
static const char * const msm_sdw_speaker_boost_stage_text[] = {
"NO_MAX_STATE", "MAX_STATE_1", "MAX_STATE_2"
};
static SOC_ENUM_SINGLE_EXT_DECL(msm_sdw_ear_spkr_pa_gain_enum,
msm_sdw_ear_spkr_pa_gain_text);
static SOC_ENUM_SINGLE_EXT_DECL(msm_sdw_spkr_boost_stage_enum,
msm_sdw_speaker_boost_stage_text);
/* RX4 MIX1 */
static const struct soc_enum rx4_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(MSM_SDW_TOP_RX7_PATH_INPUT0_MUX,
0, 3, rx_mix1_text);
static const struct soc_enum rx4_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(MSM_SDW_TOP_RX7_PATH_INPUT1_MUX,
0, 3, rx_mix1_text);
/* RX5 MIX1 */
static const struct soc_enum rx5_mix1_inp1_chain_enum =
SOC_ENUM_SINGLE(MSM_SDW_TOP_RX8_PATH_INPUT0_MUX,
0, 3, rx_mix1_text);
static const struct soc_enum rx5_mix1_inp2_chain_enum =
SOC_ENUM_SINGLE(MSM_SDW_TOP_RX8_PATH_INPUT1_MUX,
0, 3, rx_mix1_text);
static const struct snd_kcontrol_new rx4_mix1_inp1_mux =
SOC_DAPM_ENUM("RX4 MIX1 INP1 Mux", rx4_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx4_mix1_inp2_mux =
SOC_DAPM_ENUM("RX4 MIX1 INP2 Mux", rx4_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new rx5_mix1_inp1_mux =
SOC_DAPM_ENUM("RX5 MIX1 INP1 Mux", rx5_mix1_inp1_chain_enum);
static const struct snd_kcontrol_new rx5_mix1_inp2_mux =
SOC_DAPM_ENUM("RX5 MIX1 INP2 Mux", rx5_mix1_inp2_chain_enum);
static const struct snd_kcontrol_new aif1_vi_mixer[] = {
SOC_SINGLE_EXT("SPKR_VI_1", SND_SOC_NOPM, MSM_SDW_TX0, 1, 0,
msm_sdw_vi_feed_mixer_get, msm_sdw_vi_feed_mixer_put),
SOC_SINGLE_EXT("SPKR_VI_2", SND_SOC_NOPM, MSM_SDW_TX1, 1, 0,
msm_sdw_vi_feed_mixer_get, msm_sdw_vi_feed_mixer_put),
};
static const struct snd_soc_dapm_widget msm_sdw_dapm_widgets[] = {
SND_SOC_DAPM_AIF_IN("I2S RX4", "AIF1_SDW Playback", 0,
SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_IN("I2S RX5", "AIF1_SDW Playback", 0,
SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_AIF_OUT_E("AIF1_SDW VI", "VIfeed_SDW", 0, SND_SOC_NOPM,
AIF1_SDW_VIFEED, 0, msm_sdw_codec_enable_vi_feedback,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER("AIF1_VI_SDW Mixer", SND_SOC_NOPM, AIF1_SDW_VIFEED,
0, aif1_vi_mixer, ARRAY_SIZE(aif1_vi_mixer)),
SND_SOC_DAPM_MUX_E("RX4 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx4_mix1_inp1_mux, msm_sdw_enable_swr,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("RX4 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx4_mix1_inp2_mux, msm_sdw_enable_swr,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("RX5 MIX1 INP1", SND_SOC_NOPM, 0, 0,
&rx5_mix1_inp1_mux, msm_sdw_enable_swr,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX_E("RX5 MIX1 INP2", SND_SOC_NOPM, 0, 0,
&rx5_mix1_inp2_mux, msm_sdw_enable_swr,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER("RX4 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("RX5 MIX1", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER_E("RX INT4 INTERP", SND_SOC_NOPM,
COMP1, 0, NULL, 0, msm_sdw_codec_enable_interpolator,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("RX INT5 INTERP", SND_SOC_NOPM,
COMP2, 0, NULL, 0, msm_sdw_codec_enable_interpolator,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("RX INT4 CHAIN", SND_SOC_NOPM, 0, 0,
NULL, 0, msm_sdw_codec_spk_boost_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER_E("RX INT5 CHAIN", SND_SOC_NOPM, 0, 0,
NULL, 0, msm_sdw_codec_spk_boost_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_INPUT("VIINPUT_SDW"),
SND_SOC_DAPM_OUTPUT("SPK1 OUT"),
SND_SOC_DAPM_OUTPUT("SPK2 OUT"),
SND_SOC_DAPM_SUPPLY_S("SDW_CONN", -1, MSM_SDW_TOP_I2S_CLK,
0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY_S("INT_MCLK1", -2, SND_SOC_NOPM, 0, 0,
msm_int_mclk1_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_SUPPLY("SDW_RX_I2S_CLK",
MSM_SDW_TOP_RX_I2S_CTL, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("SDW_TX_I2S_CLK",
MSM_SDW_TOP_TX_I2S_CTL, 0, 0, NULL, 0),
};
static const struct snd_kcontrol_new msm_sdw_snd_controls[] = {
SOC_ENUM_EXT("EAR SPKR PA Gain", msm_sdw_ear_spkr_pa_gain_enum,
msm_sdw_ear_spkr_pa_gain_get,
msm_sdw_ear_spkr_pa_gain_put),
SOC_ENUM_EXT("SPKR Left Boost Max State",
msm_sdw_spkr_boost_stage_enum,
msm_sdw_spkr_left_boost_stage_get,
msm_sdw_spkr_left_boost_stage_put),
SOC_ENUM_EXT("SPKR Right Boost Max State",
msm_sdw_spkr_boost_stage_enum,
msm_sdw_spkr_right_boost_stage_get,
msm_sdw_spkr_right_boost_stage_put),
SOC_SINGLE_SX_TLV("RX4 Digital Volume", MSM_SDW_RX7_RX_VOL_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_SX_TLV("RX5 Digital Volume", MSM_SDW_RX8_RX_VOL_CTL,
0, -84, 40, digital_gain),
SOC_SINGLE_EXT("COMP1 Switch", SND_SOC_NOPM, COMP1, 1, 0,
msm_sdw_get_compander, msm_sdw_set_compander),
SOC_SINGLE_EXT("COMP2 Switch", SND_SOC_NOPM, COMP2, 1, 0,
msm_sdw_get_compander, msm_sdw_set_compander),
};
static const struct snd_soc_dapm_route audio_map[] = {
{"AIF1_SDW VI", NULL, "SDW_TX_I2S_CLK"},
{"SDW_TX_I2S_CLK", NULL, "INT_MCLK1"},
{"SDW_TX_I2S_CLK", NULL, "SDW_CONN"},
/* VI Feedback */
{"AIF1_VI_SDW Mixer", "SPKR_VI_1", "VIINPUT_SDW"},
{"AIF1_VI_SDW Mixer", "SPKR_VI_2", "VIINPUT_SDW"},
{"AIF1_SDW VI", NULL, "AIF1_VI_SDW Mixer"},
{"SDW_RX_I2S_CLK", NULL, "INT_MCLK1"},
{"SDW_RX_I2S_CLK", NULL, "SDW_CONN"},
{"I2S RX4", NULL, "SDW_RX_I2S_CLK"},
{"I2S RX5", NULL, "SDW_RX_I2S_CLK"},
{"RX4 MIX1 INP1", "RX4", "I2S RX4"},
{"RX4 MIX1 INP1", "RX5", "I2S RX5"},
{"RX4 MIX1 INP2", "RX4", "I2S RX4"},
{"RX4 MIX1 INP2", "RX5", "I2S RX5"},
{"RX5 MIX1 INP1", "RX4", "I2S RX4"},
{"RX5 MIX1 INP1", "RX5", "I2S RX5"},
{"RX5 MIX1 INP2", "RX4", "I2S RX4"},
{"RX5 MIX1 INP2", "RX5", "I2S RX5"},
{"RX4 MIX1", NULL, "RX4 MIX1 INP1"},
{"RX4 MIX1", NULL, "RX4 MIX1 INP2"},
{"RX5 MIX1", NULL, "RX5 MIX1 INP1"},
{"RX5 MIX1", NULL, "RX5 MIX1 INP2"},
{"RX INT4 INTERP", NULL, "RX4 MIX1"},
{"RX INT4 CHAIN", NULL, "RX INT4 INTERP"},
{"SPK1 OUT", NULL, "RX INT4 CHAIN"},
{"RX INT5 INTERP", NULL, "RX5 MIX1"},
{"RX INT5 CHAIN", NULL, "RX INT5 INTERP"},
{"SPK2 OUT", NULL, "RX INT5 CHAIN"},
};
static const struct msm_sdw_reg_mask_val msm_sdw_reg_init[] = {
{MSM_SDW_BOOST0_BOOST_CFG1, 0x3F, 0x12},
{MSM_SDW_BOOST0_BOOST_CFG2, 0x1C, 0x08},
{MSM_SDW_COMPANDER7_CTL7, 0x1E, 0x18},
{MSM_SDW_BOOST1_BOOST_CFG1, 0x3F, 0x12},
{MSM_SDW_BOOST1_BOOST_CFG2, 0x1C, 0x08},
{MSM_SDW_COMPANDER8_CTL7, 0x1E, 0x18},
{MSM_SDW_BOOST0_BOOST_CTL, 0x70, 0x50},
{MSM_SDW_BOOST1_BOOST_CTL, 0x70, 0x50},
{MSM_SDW_RX7_RX_PATH_CFG1, 0x08, 0x08},
{MSM_SDW_RX8_RX_PATH_CFG1, 0x08, 0x08},
{MSM_SDW_TOP_TOP_CFG1, 0x02, 0x02},
{MSM_SDW_TOP_TOP_CFG1, 0x01, 0x01},
{MSM_SDW_TX9_SPKR_PROT_PATH_CFG0, 0x01, 0x01},
{MSM_SDW_TX10_SPKR_PROT_PATH_CFG0, 0x01, 0x01},
{MSM_SDW_TX11_SPKR_PROT_PATH_CFG0, 0x01, 0x01},
{MSM_SDW_TX12_SPKR_PROT_PATH_CFG0, 0x01, 0x01},
{MSM_SDW_COMPANDER7_CTL3, 0x80, 0x80},
{MSM_SDW_COMPANDER8_CTL3, 0x80, 0x80},
{MSM_SDW_COMPANDER7_CTL7, 0x01, 0x01},
{MSM_SDW_COMPANDER8_CTL7, 0x01, 0x01},
{MSM_SDW_RX7_RX_PATH_CFG0, 0x01, 0x01},
{MSM_SDW_RX8_RX_PATH_CFG0, 0x01, 0x01},
{MSM_SDW_RX7_RX_PATH_MIX_CFG, 0x01, 0x01},
{MSM_SDW_RX8_RX_PATH_MIX_CFG, 0x01, 0x01},
};
static void msm_sdw_init_reg(struct snd_soc_codec *codec)
{
int i;
for (i = 0; i < ARRAY_SIZE(msm_sdw_reg_init); i++)
snd_soc_update_bits(codec,
msm_sdw_reg_init[i].reg,
msm_sdw_reg_init[i].mask,
msm_sdw_reg_init[i].val);
}
static int msm_sdw_notifier_service_cb(struct notifier_block *nb,
unsigned long opcode, void *ptr)
{
int i;
struct msm_sdw_priv *msm_sdw = container_of(nb,
struct msm_sdw_priv,
service_nb);
bool adsp_ready = false;
unsigned long timeout;
static bool initial_boot = true;
pr_debug("%s: Service opcode 0x%lx\n", __func__, opcode);
mutex_lock(&msm_sdw->codec_mutex);
switch (opcode) {
case AUDIO_NOTIFIER_SERVICE_DOWN:
if (initial_boot) {
initial_boot = false;
break;
}
msm_sdw->int_mclk1_enabled = false;
msm_sdw->dev_up = false;
for (i = 0; i < msm_sdw->nr; i++)
swrm_wcd_notify(msm_sdw->sdw_ctrl_data[i].sdw_pdev,
SWR_DEVICE_DOWN, NULL);
break;
case AUDIO_NOTIFIER_SERVICE_UP:
if (initial_boot)
initial_boot = false;
if (!q6core_is_adsp_ready()) {
dev_dbg(msm_sdw->dev, "ADSP isn't ready\n");
timeout = jiffies +
msecs_to_jiffies(ADSP_STATE_READY_TIMEOUT_MS);
while (!time_after(jiffies, timeout)) {
if (!q6core_is_adsp_ready()) {
dev_dbg(msm_sdw->dev,
"ADSP isn't ready\n");
} else {
dev_dbg(msm_sdw->dev,
"ADSP is ready\n");
adsp_ready = true;
goto powerup;
}
}
} else {
adsp_ready = true;
dev_dbg(msm_sdw->dev, "%s: DSP is ready\n", __func__);
}
powerup:
if (adsp_ready) {
msm_sdw->dev_up = true;
msm_sdw_init_reg(msm_sdw->codec);
regcache_mark_dirty(msm_sdw->regmap);
regcache_sync(msm_sdw->regmap);
msm_sdw_set_spkr_mode(msm_sdw->codec,
msm_sdw->spkr_mode);
}
break;
default:
break;
}
mutex_unlock(&msm_sdw->codec_mutex);
return NOTIFY_OK;
}
static int msm_sdw_codec_probe(struct snd_soc_codec *codec)
{
struct msm_sdw_priv *msm_sdw;
int i, ret;
msm_sdw = snd_soc_codec_get_drvdata(codec);
if (!msm_sdw) {
pr_err("%s:SDW priv data null\n", __func__);
return -EINVAL;
}
msm_sdw->codec = codec;
for (i = 0; i < COMP_MAX; i++)
msm_sdw->comp_enabled[i] = 0;
msm_sdw->spkr_gain_offset = RX_GAIN_OFFSET_0_DB;
msm_sdw_init_reg(codec);
msm_sdw->version = MSM_SDW_VERSION_1_0;
msm_sdw->service_nb.notifier_call = msm_sdw_notifier_service_cb;
ret = audio_notifier_register("msm_sdw",
AUDIO_NOTIFIER_ADSP_DOMAIN,
&msm_sdw->service_nb);
if (ret < 0)
dev_err(msm_sdw->dev,
"%s: Audio notifier register failed ret = %d\n",
__func__, ret);
return 0;
}
static int msm_sdw_codec_remove(struct snd_soc_codec *codec)
{
return 0;
}
static struct regmap *msm_sdw_get_regmap(struct device *dev)
{
struct msm_sdw_priv *msm_sdw = dev_get_drvdata(dev);
return msm_sdw->regmap;
}
static struct snd_soc_codec_driver soc_codec_dev_msm_sdw = {
.probe = msm_sdw_codec_probe,
.remove = msm_sdw_codec_remove,
.get_regmap = msm_sdw_get_regmap,
.component_driver = {
.controls = msm_sdw_snd_controls,
.num_controls = ARRAY_SIZE(msm_sdw_snd_controls),
.dapm_widgets = msm_sdw_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(msm_sdw_dapm_widgets),
.dapm_routes = audio_map,
.num_dapm_routes = ARRAY_SIZE(audio_map),
},
};
static void msm_sdw_add_child_devices(struct work_struct *work)
{
struct msm_sdw_priv *msm_sdw;
struct platform_device *pdev;
struct device_node *node;
struct msm_sdw_ctrl_data *sdw_ctrl_data = NULL, *temp;
int ret, ctrl_num = 0;
struct wcd_sdw_ctrl_platform_data *platdata;
char plat_dev_name[MSM_SDW_STRING_LEN];
msm_sdw = container_of(work, struct msm_sdw_priv,
msm_sdw_add_child_devices_work);
if (!msm_sdw) {
pr_err("%s: Memory for msm_sdw does not exist\n",
__func__);
return;
}
if (!msm_sdw->dev->of_node) {
dev_err(msm_sdw->dev,
"%s: DT node for msm_sdw does not exist\n", __func__);
return;
}
platdata = &msm_sdw->sdw_plat_data;
for_each_available_child_of_node(msm_sdw->dev->of_node, node) {
if (!strcmp(node->name, "swr_master"))
strlcpy(plat_dev_name, "msm_sdw_swr_ctrl",
(MSM_SDW_STRING_LEN - 1));
else if (strnstr(node->name, "msm_cdc_pinctrl",
strlen("msm_cdc_pinctrl")) != NULL)
strlcpy(plat_dev_name, node->name,
(MSM_SDW_STRING_LEN - 1));
else
continue;
pdev = platform_device_alloc(plat_dev_name, -1);
if (!pdev) {
dev_err(msm_sdw->dev, "%s: pdev memory alloc failed\n",
__func__);
ret = -ENOMEM;
goto err;
}
pdev->dev.parent = msm_sdw->dev;
pdev->dev.of_node = node;
if (!strcmp(node->name, "swr_master")) {
ret = platform_device_add_data(pdev, platdata,
sizeof(*platdata));
if (ret) {
dev_err(&pdev->dev,
"%s: cannot add plat data ctrl:%d\n",
__func__, ctrl_num);
goto fail_pdev_add;
}
}
ret = platform_device_add(pdev);
if (ret) {
dev_err(&pdev->dev,
"%s: Cannot add platform device\n",
__func__);
goto fail_pdev_add;
}
if (!strcmp(node->name, "swr_master")) {
temp = krealloc(sdw_ctrl_data,
(ctrl_num + 1) * sizeof(
struct msm_sdw_ctrl_data),
GFP_KERNEL);
if (!temp) {
dev_err(&pdev->dev, "out of memory\n");
ret = -ENOMEM;
goto err;
}
sdw_ctrl_data = temp;
sdw_ctrl_data[ctrl_num].sdw_pdev = pdev;
ctrl_num++;
dev_dbg(&pdev->dev,
"%s: Added soundwire ctrl device(s)\n",
__func__);
msm_sdw->nr = ctrl_num;
msm_sdw->sdw_ctrl_data = sdw_ctrl_data;
}
}
return;
fail_pdev_add:
platform_device_put(pdev);
err:
return;
}
static int msm_sdw_probe(struct platform_device *pdev)
{
int ret = 0;
struct msm_sdw_priv *msm_sdw;
int adsp_state;
adsp_state = apr_get_subsys_state();
if (adsp_state != APR_SUBSYS_LOADED) {
dev_err(&pdev->dev, "Adsp is not loaded yet %d\n",
adsp_state);
return -EPROBE_DEFER;
}
msm_sdw = devm_kzalloc(&pdev->dev, sizeof(struct msm_sdw_priv),
GFP_KERNEL);
if (!msm_sdw)
return -ENOMEM;
dev_set_drvdata(&pdev->dev, msm_sdw);
msm_sdw->dev_up = true;
msm_sdw->dev = &pdev->dev;
INIT_WORK(&msm_sdw->msm_sdw_add_child_devices_work,
msm_sdw_add_child_devices);
msm_sdw->sdw_plat_data.handle = (void *) msm_sdw;
msm_sdw->sdw_plat_data.read = msm_sdw_swrm_read;
msm_sdw->sdw_plat_data.write = msm_sdw_swrm_write;
msm_sdw->sdw_plat_data.bulk_write = msm_sdw_swrm_bulk_write;
msm_sdw->sdw_plat_data.clk = msm_sdw_swrm_clock;
msm_sdw->sdw_plat_data.handle_irq = msm_sdwm_handle_irq;
ret = of_property_read_u32(pdev->dev.of_node, "reg",
&msm_sdw->sdw_base_addr);
if (ret) {
dev_err(&pdev->dev, "%s: could not find %s entry in dt\n",
__func__, "reg");
goto err_sdw_cdc;
}
msm_sdw->sdw_gpio_p = of_parse_phandle(pdev->dev.of_node,
"qcom,cdc-sdw-gpios", 0);
msm_sdw->sdw_base = ioremap(msm_sdw->sdw_base_addr,
MSM_SDW_MAX_REGISTER);
msm_sdw->read_dev = __msm_sdw_reg_read;
msm_sdw->write_dev = __msm_sdw_reg_write;
msm_sdw->regmap = msm_sdw_regmap_init(msm_sdw->dev,
&msm_sdw_regmap_config);
msm_sdw->sdw_irq = platform_get_irq_byname(pdev, "swr_master_irq");
if (msm_sdw->sdw_irq < 0) {
dev_err(msm_sdw->dev, "%s() error getting irq handle: %d\n",
__func__, msm_sdw->sdw_irq);
ret = -ENODEV;
goto err_sdw_cdc;
}
ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_msm_sdw,
msm_sdw_dai, ARRAY_SIZE(msm_sdw_dai));
if (ret) {
dev_err(&pdev->dev, "%s: Codec registration failed, ret = %d\n",
__func__, ret);
goto err_sdw_cdc;
}
/* initialize the int_mclk1 */
msm_sdw->sdw_cdc_core_clk.clk_set_minor_version =
AFE_API_VERSION_I2S_CONFIG;
msm_sdw->sdw_cdc_core_clk.clk_id =
Q6AFE_LPASS_CLK_ID_INT_MCLK_1;
msm_sdw->sdw_cdc_core_clk.clk_freq_in_hz =
INT_MCLK1_FREQ;
msm_sdw->sdw_cdc_core_clk.clk_attri =
Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_NO;
msm_sdw->sdw_cdc_core_clk.clk_root =
Q6AFE_LPASS_CLK_ROOT_DEFAULT;
msm_sdw->sdw_cdc_core_clk.enable = 0;
/* initialize the sdw_npl_clk */
msm_sdw->sdw_npl_clk.clk_set_minor_version =
AFE_API_VERSION_I2S_CONFIG;
msm_sdw->sdw_npl_clk.clk_id =
AFE_CLOCK_SET_CLOCK_ID_SWR_NPL_CLK;
msm_sdw->sdw_npl_clk.clk_freq_in_hz = SDW_NPL_FREQ;
msm_sdw->sdw_npl_clk.clk_attri =
Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_NO;
msm_sdw->sdw_npl_clk.clk_root =
Q6AFE_LPASS_CLK_ROOT_DEFAULT;
msm_sdw->sdw_npl_clk.enable = 0;
INIT_DELAYED_WORK(&msm_sdw->disable_int_mclk1_work,
msm_disable_int_mclk1);
mutex_init(&msm_sdw->cdc_int_mclk1_mutex);
mutex_init(&msm_sdw->sdw_npl_clk_mutex);
mutex_init(&msm_sdw->io_lock);
mutex_init(&msm_sdw->sdw_read_lock);
mutex_init(&msm_sdw->sdw_write_lock);
mutex_init(&msm_sdw->sdw_clk_lock);
mutex_init(&msm_sdw->codec_mutex);
schedule_work(&msm_sdw->msm_sdw_add_child_devices_work);
dev_dbg(&pdev->dev, "%s: msm_sdw driver probe done\n", __func__);
return ret;
err_sdw_cdc:
devm_kfree(&pdev->dev, msm_sdw);
return ret;
}
static int msm_sdw_remove(struct platform_device *pdev)
{
struct msm_sdw_priv *msm_sdw;
msm_sdw = dev_get_drvdata(&pdev->dev);
mutex_destroy(&msm_sdw->io_lock);
mutex_destroy(&msm_sdw->sdw_read_lock);
mutex_destroy(&msm_sdw->sdw_write_lock);
mutex_destroy(&msm_sdw->sdw_clk_lock);
mutex_destroy(&msm_sdw->codec_mutex);
mutex_destroy(&msm_sdw->cdc_int_mclk1_mutex);
devm_kfree(&pdev->dev, msm_sdw);
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static const struct of_device_id msm_sdw_codec_dt_match[] = {
{ .compatible = "qcom,msm-sdw-codec", },
{}
};
static struct platform_driver msm_sdw_codec_driver = {
.probe = msm_sdw_probe,
.remove = msm_sdw_remove,
.driver = {
.name = "msm_sdw_codec",
.owner = THIS_MODULE,
.of_match_table = msm_sdw_codec_dt_match,
},
};
module_platform_driver(msm_sdw_codec_driver);
MODULE_DESCRIPTION("MSM Soundwire Codec driver");
MODULE_LICENSE("GPL v2");
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