src/mainboard/google/volteer/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootstate.h>
   4 #include <console/console.h>
   5 #include <fw_config.h>
   6 #include <gpio.h>
   7
   8 static const struct pad_config dmic_enable_pads[] = {
   9         PAD_CFG_NF(GPP_S4, NONE, DEEP, NF2),    /* DMIC_CLK1 */
  10         PAD_CFG_NF(GPP_S5, NONE, DEEP, NF2),    /* DMIC_DATA1 */
  11         PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),    /* DMIC_CLK0 */
  12         PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),    /* DMIC_DATA0 */
  13 };
  14
  15 static const struct pad_config dmic_disable_pads[] = {
  16         PAD_NC(GPP_S4, NONE),
  17         PAD_NC(GPP_S5, NONE),
  18         PAD_NC(GPP_S6, NONE),
  19         PAD_NC(GPP_S7, NONE),
  20 };
  21
  22 static const struct pad_config sndw_enable_pads[] = {
  23         PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),    /* SNDW0_CLK */
  24         PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),    /* SNDW0_DATA */
  25         PAD_CFG_NF(GPP_S2, NONE, DEEP, NF1),    /* SNDW1_CLK */
  26         PAD_CFG_NF(GPP_S3, NONE, DEEP, NF1),    /* SNDW1_DATA */
  27 };
  28
  29 static const struct pad_config sndw_disable_pads[] = {
  30         PAD_NC(GPP_S0, NONE),
  31         PAD_NC(GPP_S1, NONE),
  32         PAD_NC(GPP_S2, NONE),
  33         PAD_NC(GPP_S3, NONE),
  34 };
  35
  36 static const struct pad_config i2s_up3_enable_pads[] = {
  37         PAD_CFG_NF(GPP_A23, NONE, DEEP, NF1),   /* I2S1_SCLK */
  38         PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),   /* I2S_MCLK1 */
  39         PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),    /* I2S0_SCLK */
  40         PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),    /* I2S0_SFRM */
  41         PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),  /* I2S0_TXD */
  42         PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),    /* I2S0_RXD */
  43         PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),    /* I2S1_RXD */
  44         PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),    /* I2S1_TXD */
  45         PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),    /* I2S1_SFRM */
  46 };
  47
  48 static const struct pad_config i2s_up4_enable_pads[] = {
  49         PAD_CFG_NF(GPP_A7, NONE, DEEP, NF1),    /* I2S2_SCLK */
  50         PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1),   /* I2S_MCLK1 */
  51         PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),    /* I2S0_SCLK */
  52         PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),    /* I2S0_SFRM */
  53         PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),  /* I2S0_TXD */
  54         PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),    /* I2S0_RXD */
  55 };
  56
  57 static const struct pad_config i2s_disable_pads[] = {
  58         PAD_NC(GPP_A23, NONE),
  59         PAD_NC(GPP_D19, NONE),
  60         PAD_NC(GPP_R0, NONE),
  61         PAD_NC(GPP_R1, NONE),
  62         PAD_NC(GPP_R2, DN_20K),
  63         PAD_NC(GPP_R3, NONE),
  64         PAD_NC(GPP_R5, NONE),
  65         PAD_NC(GPP_R6, NONE),
  66         PAD_NC(GPP_R7, NONE),
  67 };
  68
  69 static const struct pad_config sd_power_enable_pads[] = {
  70         PAD_CFG_GPO(GPP_D16, 1, DEEP),
  71 };
  72
  73 static void fw_config_handle(void *unused)
  74 {
  75         if (!fw_config_is_provisioned()) {
  76                 gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
  77                 gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
  78                 gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
  79                 return;
  80         }
  81
  82         if (fw_config_probe(FW_CONFIG(AUDIO, NONE))) {
  83                 printk(BIOS_INFO, "Configure GPIOs for no audio.\n");
  84                 gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
  85                 gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
  86                 gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
  87         }
  88         if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682_SNDW))) {
  89                 printk(BIOS_INFO, "Configure GPIOs for SoundWire audio.\n");
  90                 gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(sndw_enable_pads));
  91                 gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
  92                 gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
  93         }
  94         if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S)) ||
  95             fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S)) ||
  96             fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S)) ||
  97             fw_config_probe(FW_CONFIG(AUDIO, RT1011_ALC5682I_I2S))) {
  98                 printk(BIOS_INFO, "Configure GPIOs for I2S audio on UP3.\n");
  99                 gpio_configure_pads(i2s_up3_enable_pads, ARRAY_SIZE(i2s_up3_enable_pads));
 100                 gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
 101                 gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
 102         }
 103         if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S_UP4))) {
 104                 printk(BIOS_INFO, "Configure GPIOs for I2S audio on UP4.\n");
 105                 gpio_configure_pads(i2s_up4_enable_pads, ARRAY_SIZE(i2s_up4_enable_pads));
 106                 gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
 107                 gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
 108         }
 109         if (fw_config_probe(FW_CONFIG(DB_SD, SD_GL9755S)) ||
 110             fw_config_probe(FW_CONFIG(DB_SD, SD_RTS5227S)) ||
 111             fw_config_probe(FW_CONFIG(DB_SD, SD_GL9750)) ||
 112             fw_config_probe(FW_CONFIG(DB_SD, SD_OZ711LV2LN))) {
 113                 printk(BIOS_INFO, "Configure GPIOs for SD power enable.\n");
 114                 gpio_configure_pads(sd_power_enable_pads, ARRAY_SIZE(sd_power_enable_pads));
 115         }
 116 }
 117 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);