src/mainboard/google/brya/variants/anraggar/variant.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <baseboard/variants.h>
   4 #include <chip.h>
   5 #include <fw_config.h>
   6 #include <sar.h>
   7 #include <soc/gpio_soc_defs.h>
   8 #include <intelblocks/graphics.h>
   9
  10 /* Per-pipe DDI Function Control 2 */
  11 #define TRANS_DDI_FUNC_CTL2_A                                   0x60404
  12 #define TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS               (3 << 6)
  13
  14 const char *get_wifi_sar_cbfs_filename(void)
  15 {
  16         return get_wifi_sar_fw_config_filename(FW_CONFIG_FIELD(WIFI));
  17 }
  18
  19 void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
  20 {
  21         /*
  22         * SOC Aux orientation override:
  23         * This is a bitfield that corresponds to up to 4 TCSS ports.
  24         * Bits (0,1) allocated for TCSS Port1 configuration and Bits (2,3)for TCSS Port2.
  25         * Bit0, Bit2 set to "0" indicates has retimer on TCSS Port.
  26         * Bit0, Bit2 set to "1" indicates no retimer on TCSS Port.
  27         * Bit1, Bit3 set to "0" indicates Aux lines are not swapped on TCSS Port.
  28         * Bit1, Bit3 set to "1" indicates Aux lines are swapped on TCSS Port.
  29         */
  30
  31         if (fw_config_probe(FW_CONFIG(DB_AUX_BIAS, SOC))) {
  32                 printk(BIOS_INFO, "DB DP AUX BIAS connect to SOC.\n");
  33                 config->tcss_aux_ori = 5;
  34                 config->typec_aux_bias_pads[0].pad_auxp_dc = GPP_A19;
  35                 config->typec_aux_bias_pads[0].pad_auxn_dc = GPP_A20;
  36                 config->typec_aux_bias_pads[1].pad_auxp_dc = GPP_E22;
  37                 config->typec_aux_bias_pads[1].pad_auxn_dc = GPP_E23;
  38         } else {
  39                 printk(BIOS_INFO, "DB DP AUX BIAS connect to redriver IC.\n");
  40                 config->tcss_aux_ori = 4;
  41                 config->typec_aux_bias_pads[1].pad_auxp_dc = GPP_E22;
  42                 config->typec_aux_bias_pads[1].pad_auxn_dc = GPP_E23;
  43         }
  44 }
  45
  46 void variant_finalize(void)
  47 {
  48         /*
  49          * Panel CSOT MNB601LS1-3 will flicker once during enter Chrome login screen,
  50          * it is because it inserts 12 blank frames if it receives the unmute in VB-ID.
  51          *
  52          * Always override the mute in VB-ID to avoid Tcon EC detected the
  53          * audiomute_flag change.
  54          */
  55         graphics_gtt_rmw(TRANS_DDI_FUNC_CTL2_A, ~TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS,
  56                 TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS);
  57 }