293 lines
8.4 KiB
C
Executable file
293 lines
8.4 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* mt6885-afe-gpio.c -- Mediatek 6885 afe gpio ctrl
|
|
*
|
|
* Copyright (c) 2018 MediaTek Inc.
|
|
* Author: Shane Chien <shane.chien@mediatek.com>
|
|
*/
|
|
|
|
#include <linux/gpio.h>
|
|
#include <linux/pinctrl/consumer.h>
|
|
|
|
#include "mt6885-afe-common.h"
|
|
#include "mt6885-afe-gpio.h"
|
|
|
|
struct pinctrl *aud_pinctrl;
|
|
|
|
enum mt6885_afe_gpio {
|
|
MT6885_AFE_GPIO_DAT_MISO_OFF,
|
|
MT6885_AFE_GPIO_DAT_MISO_ON,
|
|
MT6885_AFE_GPIO_DAT_MOSI_OFF,
|
|
MT6885_AFE_GPIO_DAT_MOSI_ON,
|
|
MT6885_AFE_GPIO_DAT_MISO_CH34_OFF,
|
|
MT6885_AFE_GPIO_DAT_MISO_CH34_ON,
|
|
MT6885_AFE_GPIO_DAT_MOSI_CH34_OFF,
|
|
MT6885_AFE_GPIO_DAT_MOSI_CH34_ON,
|
|
MT6885_AFE_GPIO_I2S0_OFF,
|
|
MT6885_AFE_GPIO_I2S0_ON,
|
|
MT6885_AFE_GPIO_I2S1_OFF,
|
|
MT6885_AFE_GPIO_I2S1_ON,
|
|
MT6885_AFE_GPIO_I2S2_OFF,
|
|
MT6885_AFE_GPIO_I2S2_ON,
|
|
MT6885_AFE_GPIO_I2S3_OFF,
|
|
MT6885_AFE_GPIO_I2S3_ON,
|
|
MT6885_AFE_GPIO_I2S5_OFF,
|
|
MT6885_AFE_GPIO_I2S5_ON,
|
|
MT6885_AFE_GPIO_I2S6_OFF,
|
|
MT6885_AFE_GPIO_I2S6_ON,
|
|
MT6885_AFE_GPIO_I2S7_OFF,
|
|
MT6885_AFE_GPIO_I2S7_ON,
|
|
MT6885_AFE_GPIO_I2S8_OFF,
|
|
MT6885_AFE_GPIO_I2S8_ON,
|
|
MT6885_AFE_GPIO_I2S9_OFF,
|
|
MT6885_AFE_GPIO_I2S9_ON,
|
|
MT6885_AFE_GPIO_VOW_DAT_OFF,
|
|
MT6885_AFE_GPIO_VOW_DAT_ON,
|
|
MT6885_AFE_GPIO_VOW_CLK_OFF,
|
|
MT6885_AFE_GPIO_VOW_CLK_ON,
|
|
MT6885_AFE_GPIO_GPIO_NUM
|
|
};
|
|
|
|
struct audio_gpio_attr {
|
|
const char *name;
|
|
bool gpio_prepare;
|
|
struct pinctrl_state *gpioctrl;
|
|
};
|
|
|
|
static struct audio_gpio_attr aud_gpios[MT6885_AFE_GPIO_GPIO_NUM] = {
|
|
[MT6885_AFE_GPIO_DAT_MISO_OFF] = {"aud_dat_miso_off", false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MISO_ON] = {"aud_dat_miso_on", false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MOSI_OFF] = {"aud_dat_mosi_off", false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MOSI_ON] = {"aud_dat_mosi_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S0_OFF] = {"aud_gpio_i2s0_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S0_ON] = {"aud_gpio_i2s0_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S1_OFF] = {"aud_gpio_i2s1_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S1_ON] = {"aud_gpio_i2s1_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S2_OFF] = {"aud_gpio_i2s2_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S2_ON] = {"aud_gpio_i2s2_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S3_OFF] = {"aud_gpio_i2s3_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S3_ON] = {"aud_gpio_i2s3_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S5_OFF] = {"aud_gpio_i2s5_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S5_ON] = {"aud_gpio_i2s5_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S6_OFF] = {"aud_gpio_i2s6_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S6_ON] = {"aud_gpio_i2s6_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S7_OFF] = {"aud_gpio_i2s7_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S7_ON] = {"aud_gpio_i2s7_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S8_OFF] = {"aud_gpio_i2s8_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S8_ON] = {"aud_gpio_i2s8_on", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S9_OFF] = {"aud_gpio_i2s9_off", false, NULL},
|
|
[MT6885_AFE_GPIO_I2S9_ON] = {"aud_gpio_i2s9_on", false, NULL},
|
|
[MT6885_AFE_GPIO_VOW_DAT_OFF] = {"vow_dat_miso_off", false, NULL},
|
|
[MT6885_AFE_GPIO_VOW_DAT_ON] = {"vow_dat_miso_on", false, NULL},
|
|
[MT6885_AFE_GPIO_VOW_CLK_OFF] = {"vow_clk_miso_off", false, NULL},
|
|
[MT6885_AFE_GPIO_VOW_CLK_ON] = {"vow_clk_miso_on", false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MISO_CH34_OFF] = {"aud_dat_miso_ch34_off",
|
|
false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MISO_CH34_ON] = {"aud_dat_miso_ch34_on",
|
|
false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MOSI_CH34_OFF] = {"aud_dat_mosi_ch34_off",
|
|
false, NULL},
|
|
[MT6885_AFE_GPIO_DAT_MOSI_CH34_ON] = {"aud_dat_mosi_ch34_on",
|
|
false, NULL},
|
|
};
|
|
|
|
static DEFINE_MUTEX(gpio_request_mutex);
|
|
|
|
int mt6885_afe_gpio_init(struct mtk_base_afe *afe)
|
|
{
|
|
int ret;
|
|
int i = 0;
|
|
|
|
aud_pinctrl = devm_pinctrl_get(afe->dev);
|
|
if (IS_ERR(aud_pinctrl)) {
|
|
ret = PTR_ERR(aud_pinctrl);
|
|
dev_err(afe->dev, "%s(), ret %d, cannot get aud_pinctrl!\n",
|
|
__func__, ret);
|
|
return -ENODEV;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(aud_gpios); i++) {
|
|
aud_gpios[i].gpioctrl = pinctrl_lookup_state(aud_pinctrl,
|
|
aud_gpios[i].name);
|
|
if (IS_ERR(aud_gpios[i].gpioctrl)) {
|
|
ret = PTR_ERR(aud_gpios[i].gpioctrl);
|
|
dev_err(afe->dev, "%s(), pinctrl_lookup_state %s fail, ret %d\n",
|
|
__func__, aud_gpios[i].name, ret);
|
|
} else {
|
|
aud_gpios[i].gpio_prepare = true;
|
|
}
|
|
}
|
|
|
|
/* gpio status init */
|
|
mt6885_afe_gpio_request(afe, false, MT6885_DAI_ADDA, 0);
|
|
mt6885_afe_gpio_request(afe, false, MT6885_DAI_ADDA, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mt6885_afe_gpio_select(struct mtk_base_afe *afe,
|
|
enum mt6885_afe_gpio type)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (type < 0 || type >= MT6885_AFE_GPIO_GPIO_NUM) {
|
|
dev_err(afe->dev, "%s(), error, invaild gpio type %d\n",
|
|
__func__, type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!aud_gpios[type].gpio_prepare) {
|
|
dev_warn(afe->dev, "%s(), error, gpio type %d not prepared\n",
|
|
__func__, type);
|
|
return -EIO;
|
|
}
|
|
|
|
ret = pinctrl_select_state(aud_pinctrl,
|
|
aud_gpios[type].gpioctrl);
|
|
if (ret) {
|
|
dev_err(afe->dev, "%s(), error, can not set gpio type %d\n",
|
|
__func__, type);
|
|
AUDIO_AEE("can not set gpio type");
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int mt6885_afe_gpio_adda_dl(struct mtk_base_afe *afe, bool enable)
|
|
{
|
|
if (enable) {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MOSI_ON);
|
|
} else {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MOSI_OFF);
|
|
}
|
|
}
|
|
|
|
static int mt6885_afe_gpio_adda_ul(struct mtk_base_afe *afe, bool enable)
|
|
{
|
|
if (enable) {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MISO_ON);
|
|
} else {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MISO_OFF);
|
|
}
|
|
}
|
|
|
|
static int mt6885_afe_gpio_adda_ch34_dl(struct mtk_base_afe *afe, bool enable)
|
|
{
|
|
if (enable) {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MOSI_CH34_ON);
|
|
} else {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MOSI_CH34_OFF);
|
|
}
|
|
}
|
|
|
|
static int mt6885_afe_gpio_adda_ch34_ul(struct mtk_base_afe *afe, bool enable)
|
|
{
|
|
if (enable) {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MISO_CH34_ON);
|
|
} else {
|
|
return mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_DAT_MISO_CH34_OFF);
|
|
}
|
|
}
|
|
|
|
int mt6885_afe_gpio_request(struct mtk_base_afe *afe, bool enable,
|
|
int dai, int uplink)
|
|
{
|
|
mutex_lock(&gpio_request_mutex);
|
|
switch (dai) {
|
|
case MT6885_DAI_ADDA:
|
|
if (uplink)
|
|
mt6885_afe_gpio_adda_ul(afe, enable);
|
|
else
|
|
mt6885_afe_gpio_adda_dl(afe, enable);
|
|
break;
|
|
case MT6885_DAI_ADDA_CH34:
|
|
if (uplink)
|
|
mt6885_afe_gpio_adda_ch34_ul(afe, enable);
|
|
else
|
|
mt6885_afe_gpio_adda_ch34_dl(afe, enable);
|
|
break;
|
|
case MT6885_DAI_I2S_0:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S0_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S0_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_1:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S1_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S1_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_2:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S2_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S2_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_3:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S3_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S3_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_5:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S5_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S5_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_6:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S6_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S6_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_7:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S7_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S7_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_8:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S8_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S8_OFF);
|
|
break;
|
|
case MT6885_DAI_I2S_9:
|
|
if (enable)
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S9_ON);
|
|
else
|
|
mt6885_afe_gpio_select(afe, MT6885_AFE_GPIO_I2S9_OFF);
|
|
break;
|
|
case MT6885_DAI_VOW:
|
|
if (enable) {
|
|
mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_VOW_CLK_ON);
|
|
mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_VOW_DAT_ON);
|
|
} else {
|
|
mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_VOW_CLK_OFF);
|
|
mt6885_afe_gpio_select(afe,
|
|
MT6885_AFE_GPIO_VOW_DAT_OFF);
|
|
}
|
|
break;
|
|
default:
|
|
mutex_unlock(&gpio_request_mutex);
|
|
dev_warn(afe->dev, "%s(), invalid dai %d\n", __func__, dai);
|
|
AUDIO_AEE("invalid dai");
|
|
return -EINVAL;
|
|
}
|
|
mutex_unlock(&gpio_request_mutex);
|
|
return 0;
|
|
}
|
|
|