src/mainboard/google/rex/variants/screebo/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <baseboard/variants.h>
   4 #include <ec/google/chromeec/ec.h>
   5 #include <console/console.h>
   6 #include <fw_config.h>
   7 #include <gpio.h>
   8
   9 #define GPIO_PADBASED_OVERRIDE(b, a) gpio_padbased_override(b, a, ARRAY_SIZE(a))
  10
  11 static const struct pad_config dmic_disable_pads[] = {
  12         PAD_NC(GPP_S02, NONE),
  13         PAD_NC(GPP_S03, NONE),
  14         PAD_NC(GPP_S06, NONE),
  15         PAD_NC(GPP_S07, NONE),
  16 };
  17
  18 static const struct pad_config i2s_disable_pads[] = {
  19         PAD_NC(GPP_D09, NONE),
  20         PAD_NC(GPP_D10, NONE),
  21         PAD_NC(GPP_D11, NONE),
  22         PAD_NC(GPP_D12, DN_20K),
  23         PAD_NC(GPP_D13, NONE),
  24         PAD_NC(GPP_D14, NONE),
  25         PAD_NC(GPP_D15, NONE),
  26         PAD_NC(GPP_D16, NONE),
  27         PAD_NC(GPP_D17, NONE),
  28 };
  29
  30
  31 static const struct pad_config bt_i2s_enable_pads[] = {
  32         /* GPP_V30 : [] ==> BT_I2S_BCLK */
  33         PAD_CFG_NF(GPP_VGPIO30, NONE, DEEP, NF2),
  34         /* GPP_V31 : [] ==> BT_I2S_SYNC */
  35         PAD_CFG_NF(GPP_VGPIO31, NONE, DEEP, NF2),
  36         /* GPP_V32 : [] ==> BT_I2S_SDO */
  37         PAD_CFG_NF(GPP_VGPIO32, NONE, DEEP, NF2),
  38         /* GPP_V33 : [] ==> BT_I2S_SDI */
  39         PAD_CFG_NF(GPP_VGPIO33, NONE, DEEP, NF2),
  40         /* GPP_V34 : [] ==> SSP2_SCLK */
  41         PAD_CFG_NF(GPP_VGPIO34, NONE, DEEP, NF1),
  42         /* GPP_V35 : [] ==> SSP2_SFRM */
  43         PAD_CFG_NF(GPP_VGPIO35, NONE, DEEP, NF1),
  44         /* GPP_V36 : [] ==> SSP_TXD */
  45         PAD_CFG_NF(GPP_VGPIO36, NONE, DEEP, NF1),
  46         /* GPP_V37 : [] ==> SSP_RXD */
  47         PAD_CFG_NF(GPP_VGPIO37, NONE, DEEP, NF1),
  48 };
  49
  50 static const struct pad_config bt_i2s_disable_pads[] = {
  51         /* GPP_V30 : [] ==> BT_I2S_BCLK */
  52         PAD_NC(GPP_VGPIO30, NONE),
  53         /* GPP_V31 : [] ==> BT_I2S_SYNC */
  54         PAD_NC(GPP_VGPIO31, NONE),
  55         /* GPP_V32 : [] ==> BT_I2S_SDO */
  56         PAD_NC(GPP_VGPIO32, NONE),
  57         /* GPP_V33 : [] ==> BT_I2S_SDI */
  58         PAD_NC(GPP_VGPIO33, NONE),
  59         /* GPP_V34 : [] ==> SSP2_SCLK */
  60         PAD_NC(GPP_VGPIO34, NONE),
  61         /* GPP_V35 : [] ==> SSP2_SFRM */
  62         PAD_NC(GPP_VGPIO35, NONE),
  63         /* GPP_V36 : [] ==> SSP_TXD */
  64         PAD_NC(GPP_VGPIO36, NONE),
  65         /* GPP_V37 : [] ==> SSP_RXD */
  66         PAD_NC(GPP_VGPIO37, NONE),
  67 };
  68
  69 static const struct pad_config usb_oc2_gpio_pads[] = {
  70         PAD_CFG_NF_LOCK(GPP_B14, UP_20K, NF1, LOCK_CONFIG),
  71 };
  72
  73 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  74 {
  75         uint32_t id = 0;
  76         google_chromeec_get_board_version(&id);
  77         if (id == 2 || id == 1) {
  78                 printk(BIOS_INFO, "Configure GPIOs for evt and dvt1.\n");
  79                 GPIO_PADBASED_OVERRIDE(padbased_table, usb_oc2_gpio_pads);
  80         }
  81
  82         if (!fw_config_is_provisioned()) {
  83                 GPIO_PADBASED_OVERRIDE(padbased_table, i2s_disable_pads);
  84                 GPIO_PADBASED_OVERRIDE(padbased_table, dmic_disable_pads);
  85                 GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_disable_pads);
  86                 return;
  87         }
  88
  89         if (fw_config_probe(FW_CONFIG(AUDIO, AUDIO_UNKNOWN))) {
  90                 printk(BIOS_INFO, "Configure GPIOs for no audio.\n");
  91                 GPIO_PADBASED_OVERRIDE(padbased_table, i2s_disable_pads);
  92                 GPIO_PADBASED_OVERRIDE(padbased_table, dmic_disable_pads);
  93                 GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_disable_pads);
  94         } else if (fw_config_probe(FW_CONFIG(AUDIO, ALC1019_ALC5682I_I2S))) {
  95                 printk(BIOS_INFO, "Configure GPIOs for BT offload mode.\n");
  96                 GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_enable_pads);
  97         }
  98 }