fw_config.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <bootstate.h>
#include <console/console.h>
#include <fw_config.h>
#include <gpio.h>
 
static const struct pad_config dmic_enable_pads[] = {
        PAD_CFG_NF(GPP_S4, NONE, DEEP, NF2),    /* DMIC_CLK1 */
        PAD_CFG_NF(GPP_S5, NONE, DEEP, NF2),    /* DMIC_DATA1 */
        PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),    /* DMIC_CLK0 */
        PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),    /* DMIC_DATA0 */
};
 
static const struct pad_config dmic_disable_pads[] = {
        PAD_NC(GPP_S4, NONE),
        PAD_NC(GPP_S5, NONE),
        PAD_NC(GPP_S6, NONE),
        PAD_NC(GPP_S7, NONE),
};
 
static const struct pad_config sndw_enable_pads[] = {
        PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),    /* SNDW0_CLK */
        PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),    /* SNDW0_DATA */
        PAD_CFG_NF(GPP_S2, NONE, DEEP, NF1),    /* SNDW1_CLK */
        PAD_CFG_NF(GPP_S3, NONE, DEEP, NF1),    /* SNDW1_DATA */
};
 
static const struct pad_config sndw_disable_pads[] = {
        PAD_NC(GPP_S0, NONE),
        PAD_NC(GPP_S1, NONE),
        PAD_NC(GPP_S2, NONE),
        PAD_NC(GPP_S3, NONE),
};
 
static const struct pad_config i2s_up3_enable_pads[] = {
        PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),   /* I2S1_SCLK */
        PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),   /* I2S_MCLK1 */
        PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),    /* I2S0_SCLK */
        PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),    /* I2S0_SFRM */
        PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),  /* I2S0_TXD */
        PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),    /* I2S0_RXD */
        PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),    /* I2S1_RXD */
        PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),    /* I2S1_TXD */
        PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),    /* I2S1_SFRM */
};
 
static const struct pad_config i2s_up4_enable_pads[] = {
        PAD_CFG_NF(GPP_A7, NONE, DEEP, NF1),    /* I2S2_SCLK */
        PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),   /* I2S_MCLK1 */
        PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),    /* I2S0_SCLK */
        PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),    /* I2S0_SFRM */
        PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),  /* I2S0_TXD */
        PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),    /* I2S0_RXD */
};
 
static const struct pad_config i2s_disable_pads[] = {
        PAD_NC(GPP_A23, NONE),
        PAD_NC(GPP_D19, NONE),
        PAD_NC(GPP_R0, NONE),
        PAD_NC(GPP_R1, NONE),
        PAD_NC(GPP_R2, DN_20K),
        PAD_NC(GPP_R3, NONE),
        PAD_NC(GPP_R5, NONE),
        PAD_NC(GPP_R6, NONE),
        PAD_NC(GPP_R7, NONE),
};
 
static const struct pad_config sd_power_enable_pads[] = {
        PAD_CFG_GPO(GPP_D16, 1, DEEP),
};
 
static void fw_config_handle(void *unused)
{
        if (!fw_config_is_provisioned()) {
                gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
                gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
                gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
                return;
        }
 
        if (fw_config_probe(FW_CONFIG(AUDIO, NONE))) {
                printk(BIOS_INFO, "Configure GPIOs for no audio.\n");
                gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
                gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
                gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
        }
        if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682_SNDW))) {
                printk(BIOS_INFO, "Configure GPIOs for SoundWire audio.\n");
                gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(sndw_enable_pads));
                gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
                gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
        }
        if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S)) ||
            fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S)) ||
            fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S)) ||
            fw_config_probe(FW_CONFIG(AUDIO, RT1011_ALC5682I_I2S))) {
                printk(BIOS_INFO, "Configure GPIOs for I2S audio on UP3.\n");
                gpio_configure_pads(i2s_up3_enable_pads, ARRAY_SIZE(i2s_up3_enable_pads));
                gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
                gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
        }
        if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S_UP4))) {
                printk(BIOS_INFO, "Configure GPIOs for I2S audio on UP4.\n");
                gpio_configure_pads(i2s_up4_enable_pads, ARRAY_SIZE(i2s_up4_enable_pads));
                gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
                gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
        }
        if (fw_config_probe(FW_CONFIG(DB_SD, SD_GL9755S)) ||
            fw_config_probe(FW_CONFIG(DB_SD, SD_RTS5227S)) ||
            fw_config_probe(FW_CONFIG(DB_SD, SD_GL9750)) ||
            fw_config_probe(FW_CONFIG(DB_SD, SD_OZ711LV2LN))) {
                printk(BIOS_INFO, "Configure GPIOs for SD power enable.\n");
                gpio_configure_pads(sd_power_enable_pads, ARRAY_SIZE(sd_power_enable_pads));
        }
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);