Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jiaxin Yu | 1076 | 98.00% | 1 | 20.00% |
Allen-KH Cheng | 13 | 1.18% | 1 | 20.00% |
Colin Ian King | 8 | 0.73% | 2 | 40.00% |
Tom Rix | 1 | 0.09% | 1 | 20.00% |
Total | 1098 | 5 |
// 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/pinctrl/consumer.h> #include "mt8186-afe-common.h" #include "mt8186-afe-gpio.h" static 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_dbg(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_dbg(dev, "%s(), error, invalid gpio type %d\n", __func__, type); return -EINVAL; } if (!aud_gpios[type].gpio_prepare) { dev_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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_dbg(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; }
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