src/mainboard/google/brya/variants/skolas4es/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_S2, NONE, DEEP, NF2),    /* DMIC_CLK0_R */
  10         PAD_CFG_NF(GPP_S3, NONE, DEEP, NF2),    /* DMIC_DATA0_R */
  11         PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),    /* DMIC_CLK1_R */
  12         PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),    /* DMIC_DATA1_R */
  13 };
  14
  15 static const struct pad_config dmic_disable_pads[] = {
  16         PAD_NC(GPP_S2, NONE),
  17         PAD_NC(GPP_S3, 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),    /* SDW_HP_CLK_R */
  24         PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),    /* SDW_HP_DATA_R */
  25         PAD_CFG_NF(GPP_S4, NONE, DEEP, NF1),    /* SDW_SPKR_CLK */
  26         PAD_CFG_NF(GPP_S5, NONE, DEEP, NF1),    /* SDW_SPKR_DATA */
  27 };
  28
  29 static const struct pad_config max98360_enable_pads[] = {
  30         PAD_CFG_NF(GPP_S0, NONE, DEEP, NF4),    /* I2S_SPKR_SCLK_R */
  31         PAD_CFG_NF(GPP_S1, NONE, DEEP, NF4),    /* I2S_SPKR_SFRM_R */
  32         PAD_CFG_NF(GPP_S2, NONE, DEEP, NF4),    /* I2S_PCH_TX_SPKR_RX_R */
  33         PAD_CFG_NF(GPP_S3, NONE, DEEP, NF4),    /* I2S_PCH_RX_SPKR_TX */
  34         PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),    /* DMIC_CLK0_R */
  35         PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),    /* DMIC_DATA0_R */
  36         PAD_CFG_NF(GPP_R4, NONE, DEEP, NF3),    /* DMIC_CLK1_R */
  37         PAD_CFG_NF(GPP_R5, NONE, DEEP, NF3),    /* DMIC_DATA1_R */
  38         PAD_NC(GPP_R6, NONE),
  39         PAD_NC(GPP_R7, NONE),
  40 };
  41
  42 static const struct pad_config sndw_disable_pads[] = {
  43         PAD_NC(GPP_S0, NONE),
  44         PAD_NC(GPP_S1, NONE),
  45         PAD_NC(GPP_S4, NONE),
  46         PAD_NC(GPP_S5, NONE),
  47 };
  48
  49 static const struct pad_config i2s0_enable_pads[] = {
  50         PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),    /* I2S_HP_SCLK_R */
  51         PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),    /* I2S_HP_SFRM_R */
  52         PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),  /* I2S_PCH_TX_HP_RX_STRAP */
  53         PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),    /* I2S_PCH_RX_HP_TX */
  54 };
  55
  56 static const struct pad_config i2s2_enable_pads[] = {
  57         PAD_CFG_NF(GPP_R4, NONE, DEEP, NF2),    /* I2S_SPKR_SCLK_R */
  58         PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2),    /* I2S_SPKR_SFRM_R */
  59         PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2),    /* I2S_PCH_TX_SPKR_RX_R */
  60         PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2),    /* I2S_PCH_RX_SPKR_TX */
  61 };
  62
  63 static const struct pad_config i2s0_disable_pads[] = {
  64         PAD_NC(GPP_R0, NONE),
  65         PAD_NC(GPP_R1, NONE),
  66         PAD_NC(GPP_R2, NONE),
  67         PAD_NC(GPP_R3, NONE),
  68 };
  69
  70 static const struct pad_config i2s2_disable_pads[] = {
  71         PAD_NC(GPP_R4, NONE),
  72         PAD_NC(GPP_R5, NONE),
  73         PAD_NC(GPP_R6, NONE),
  74         PAD_NC(GPP_R7, NONE),
  75 };
  76
  77 static const struct pad_config bt_i2s_enable_pads[] = {
  78         PAD_CFG_NF(GPP_VGPIO_30, NONE, DEEP, NF3),      /* BT_I2S_BCLK */
  79         PAD_CFG_NF(GPP_VGPIO_31, NONE, DEEP, NF3),      /* BT_I2S_SYNC */
  80         PAD_CFG_NF(GPP_VGPIO_32, NONE, DEEP, NF3),      /* BT_I2S_SDO */
  81         PAD_CFG_NF(GPP_VGPIO_33, NONE, DEEP, NF3),      /* BT_I2S_SDI */
  82         PAD_CFG_NF(GPP_VGPIO_34, NONE, DEEP, NF1),      /* SSP2_SCLK */
  83         PAD_CFG_NF(GPP_VGPIO_35, NONE, DEEP, NF1),      /* SSP2_SFRM */
  84         PAD_CFG_NF(GPP_VGPIO_36, NONE, DEEP, NF1),      /* SSP_TXD */
  85         PAD_CFG_NF(GPP_VGPIO_37, NONE, DEEP, NF1),      /* SSP_RXD */
  86 };
  87
  88 static const struct pad_config bt_i2s_disable_pads[] = {
  89         PAD_NC(GPP_VGPIO_30, NONE),
  90         PAD_NC(GPP_VGPIO_31, NONE),
  91         PAD_NC(GPP_VGPIO_32, NONE),
  92         PAD_NC(GPP_VGPIO_33, NONE),
  93         PAD_NC(GPP_VGPIO_34, NONE),
  94         PAD_NC(GPP_VGPIO_35, NONE),
  95         PAD_NC(GPP_VGPIO_36, NONE),
  96         PAD_NC(GPP_VGPIO_37, NONE),
  97 };
  98
  99 static void enable_i2s(void)
 100 {
 101         gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
 102         gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
 103         gpio_configure_pads(i2s2_enable_pads, ARRAY_SIZE(i2s2_enable_pads));
 104         gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
 105 }
 106
 107 static void fw_config_handle(void *unused)
 108 {
 109         if (!fw_config_is_provisioned() || fw_config_probe(FW_CONFIG(AUDIO, AUDIO_UNKNOWN))) {
 110                 printk(BIOS_INFO, "Disable audio related GPIO pins.\n");
 111                 gpio_configure_pads(i2s0_disable_pads, ARRAY_SIZE(i2s0_disable_pads));
 112                 gpio_configure_pads(i2s2_disable_pads, ARRAY_SIZE(i2s2_disable_pads));
 113                 gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
 114                 gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
 115                 return;
 116         }
 117
 118         if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682_SNDW))) {
 119                 printk(BIOS_INFO, "Configure audio over SoundWire with MAX98373 ALC5682.\n");
 120                 gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
 121                 gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(sndw_enable_pads));
 122                 printk(BIOS_INFO, "BT offload enabled\n");
 123                 gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
 124                 gpio_configure_pads(i2s2_disable_pads, ARRAY_SIZE(i2s2_disable_pads));
 125                 gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
 126         } else if (!fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
 127                 printk(BIOS_INFO, "BT offload disabled\n");
 128                 gpio_configure_pads(i2s0_disable_pads, ARRAY_SIZE(i2s0_disable_pads));
 129                 gpio_configure_pads(i2s2_disable_pads, ARRAY_SIZE(i2s2_disable_pads));
 130                 gpio_configure_pads(bt_i2s_disable_pads, ARRAY_SIZE(bt_i2s_disable_pads));
 131         }
 132
 133         if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S))) {
 134                 printk(BIOS_INFO, "Configure audio over I2S with MAX98357 ALC5682I.\n");
 135                 enable_i2s();
 136         }
 137
 138         if (fw_config_probe(FW_CONFIG(AUDIO, ALC1019_NAU88L25B_I2S))) {
 139                 printk(BIOS_INFO, "Configure audio over I2S with ALC1019 NAU88L25B.\n");
 140                 enable_i2s();
 141         }
 142
 143         if (fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
 144                 printk(BIOS_INFO, "Configure audio over I2S with MAX98360 ALC5682I.\n");
 145                 gpio_configure_pads(max98360_enable_pads, ARRAY_SIZE(max98360_enable_pads));
 146                 printk(BIOS_INFO, "BT offload enabled\n");
 147                 gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
 148                 gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
 149         }
 150 }
 151 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);