linux/sound/soc/mediatek/mt8186/mt8186-afe-gpio.c
Colin Ian King 65c94e4d15
ASoC: mediatek: mt8186: Fix spelling mistake "slect" -> "select"
There are some spelling mistakes in dev_err messages. Fix them.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220928220417.66799-1-colin.i.king@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-09-29 12:10:49 +01:00

244 lines
6.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
//
// mt8186-afe-gpio.c -- Mediatek 8186 afe gpio ctrl
//
// Copyright (c) 2022 MediaTek Inc.
// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
#include <linux/gpio.h>
#include <linux/pinctrl/consumer.h>
#include "mt8186-afe-common.h"
#include "mt8186-afe-gpio.h"
struct pinctrl *aud_pinctrl;
enum mt8186_afe_gpio {
MT8186_AFE_GPIO_CLK_MOSI_OFF,
MT8186_AFE_GPIO_CLK_MOSI_ON,
MT8186_AFE_GPIO_CLK_MISO_OFF,
MT8186_AFE_GPIO_CLK_MISO_ON,
MT8186_AFE_GPIO_DAT_MISO_OFF,
MT8186_AFE_GPIO_DAT_MISO_ON,
MT8186_AFE_GPIO_DAT_MOSI_OFF,
MT8186_AFE_GPIO_DAT_MOSI_ON,
MT8186_AFE_GPIO_I2S0_OFF,
MT8186_AFE_GPIO_I2S0_ON,
MT8186_AFE_GPIO_I2S1_OFF,
MT8186_AFE_GPIO_I2S1_ON,
MT8186_AFE_GPIO_I2S2_OFF,
MT8186_AFE_GPIO_I2S2_ON,
MT8186_AFE_GPIO_I2S3_OFF,
MT8186_AFE_GPIO_I2S3_ON,
MT8186_AFE_GPIO_TDM_OFF,
MT8186_AFE_GPIO_TDM_ON,
MT8186_AFE_GPIO_PCM_OFF,
MT8186_AFE_GPIO_PCM_ON,
MT8186_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[MT8186_AFE_GPIO_GPIO_NUM] = {
[MT8186_AFE_GPIO_CLK_MOSI_OFF] = {"aud_clk_mosi_off", false, NULL},
[MT8186_AFE_GPIO_CLK_MOSI_ON] = {"aud_clk_mosi_on", false, NULL},
[MT8186_AFE_GPIO_CLK_MISO_OFF] = {"aud_clk_miso_off", false, NULL},
[MT8186_AFE_GPIO_CLK_MISO_ON] = {"aud_clk_miso_on", false, NULL},
[MT8186_AFE_GPIO_DAT_MISO_OFF] = {"aud_dat_miso_off", false, NULL},
[MT8186_AFE_GPIO_DAT_MISO_ON] = {"aud_dat_miso_on", false, NULL},
[MT8186_AFE_GPIO_DAT_MOSI_OFF] = {"aud_dat_mosi_off", false, NULL},
[MT8186_AFE_GPIO_DAT_MOSI_ON] = {"aud_dat_mosi_on", false, NULL},
[MT8186_AFE_GPIO_I2S0_OFF] = {"aud_gpio_i2s0_off", false, NULL},
[MT8186_AFE_GPIO_I2S0_ON] = {"aud_gpio_i2s0_on", false, NULL},
[MT8186_AFE_GPIO_I2S1_OFF] = {"aud_gpio_i2s1_off", false, NULL},
[MT8186_AFE_GPIO_I2S1_ON] = {"aud_gpio_i2s1_on", false, NULL},
[MT8186_AFE_GPIO_I2S2_OFF] = {"aud_gpio_i2s2_off", false, NULL},
[MT8186_AFE_GPIO_I2S2_ON] = {"aud_gpio_i2s2_on", false, NULL},
[MT8186_AFE_GPIO_I2S3_OFF] = {"aud_gpio_i2s3_off", false, NULL},
[MT8186_AFE_GPIO_I2S3_ON] = {"aud_gpio_i2s3_on", false, NULL},
[MT8186_AFE_GPIO_TDM_OFF] = {"aud_gpio_tdm_off", false, NULL},
[MT8186_AFE_GPIO_TDM_ON] = {"aud_gpio_tdm_on", false, NULL},
[MT8186_AFE_GPIO_PCM_OFF] = {"aud_gpio_pcm_off", false, NULL},
[MT8186_AFE_GPIO_PCM_ON] = {"aud_gpio_pcm_on", false, NULL},
};
static DEFINE_MUTEX(gpio_request_mutex);
int mt8186_afe_gpio_init(struct device *dev)
{
int i, j, ret;
aud_pinctrl = devm_pinctrl_get(dev);
if (IS_ERR(aud_pinctrl)) {
ret = PTR_ERR(aud_pinctrl);
dev_err(dev, "%s(), ret %d, cannot get aud_pinctrl!\n",
__func__, ret);
return ret;
}
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_info(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 */
for (i = MT8186_DAI_ADDA; i <= MT8186_DAI_TDM_IN; i++) {
for (j = 0; j <= 1; j++)
mt8186_afe_gpio_request(dev, false, i, j);
}
return 0;
}
EXPORT_SYMBOL_GPL(mt8186_afe_gpio_init);
static int mt8186_afe_gpio_select(struct device *dev,
enum mt8186_afe_gpio type)
{
int ret = 0;
if (type < 0 || type >= MT8186_AFE_GPIO_GPIO_NUM) {
dev_err(dev, "%s(), error, invalid gpio type %d\n",
__func__, type);
return -EINVAL;
}
if (!aud_gpios[type].gpio_prepare) {
dev_err(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(dev, "%s(), error, can not set gpio type %d\n",
__func__, type);
return ret;
}
return 0;
}
static int mt8186_afe_gpio_adda_dl(struct device *dev, bool enable)
{
int ret;
if (enable) {
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MOSI_ON);
if (ret) {
dev_err(dev, "%s(), MOSI CLK ON select fail!\n", __func__);
return ret;
}
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MOSI_ON);
if (ret) {
dev_err(dev, "%s(), MOSI DAT ON select fail!\n", __func__);
return ret;
}
} else {
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MOSI_OFF);
if (ret) {
dev_err(dev, "%s(), MOSI DAT OFF select fail!\n", __func__);
return ret;
}
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MOSI_OFF);
if (ret) {
dev_err(dev, "%s(), MOSI CLK ON select fail!\n", __func__);
return ret;
}
}
return 0;
}
static int mt8186_afe_gpio_adda_ul(struct device *dev, bool enable)
{
int ret;
if (enable) {
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MISO_ON);
if (ret) {
dev_err(dev, "%s(), MISO CLK ON select fail!\n", __func__);
return ret;
}
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MISO_ON);
if (ret) {
dev_err(dev, "%s(), MISO DAT ON select fail!\n", __func__);
return ret;
}
} else {
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_DAT_MISO_OFF);
if (ret) {
dev_err(dev, "%s(), MISO DAT OFF select fail!\n", __func__);
return ret;
}
ret = mt8186_afe_gpio_select(dev, MT8186_AFE_GPIO_CLK_MISO_OFF);
if (ret) {
dev_err(dev, "%s(), MISO CLK OFF select fail!\n", __func__);
return ret;
}
}
return 0;
}
int mt8186_afe_gpio_request(struct device *dev, bool enable,
int dai, int uplink)
{
enum mt8186_afe_gpio sel;
int ret = -EINVAL;
mutex_lock(&gpio_request_mutex);
switch (dai) {
case MT8186_DAI_ADDA:
if (uplink)
ret = mt8186_afe_gpio_adda_ul(dev, enable);
else
ret = mt8186_afe_gpio_adda_dl(dev, enable);
goto unlock;
case MT8186_DAI_I2S_0:
sel = enable ? MT8186_AFE_GPIO_I2S0_ON : MT8186_AFE_GPIO_I2S0_OFF;
break;
case MT8186_DAI_I2S_1:
sel = enable ? MT8186_AFE_GPIO_I2S1_ON : MT8186_AFE_GPIO_I2S1_OFF;
break;
case MT8186_DAI_I2S_2:
sel = enable ? MT8186_AFE_GPIO_I2S2_ON : MT8186_AFE_GPIO_I2S2_OFF;
break;
case MT8186_DAI_I2S_3:
sel = enable ? MT8186_AFE_GPIO_I2S3_ON : MT8186_AFE_GPIO_I2S3_OFF;
break;
case MT8186_DAI_TDM_IN:
sel = enable ? MT8186_AFE_GPIO_TDM_ON : MT8186_AFE_GPIO_TDM_OFF;
break;
case MT8186_DAI_PCM:
sel = enable ? MT8186_AFE_GPIO_PCM_ON : MT8186_AFE_GPIO_PCM_OFF;
break;
default:
dev_err(dev, "%s(), invalid dai %d\n", __func__, dai);
goto unlock;
}
ret = mt8186_afe_gpio_select(dev, sel);
unlock:
mutex_unlock(&gpio_request_mutex);
return ret;
}