src/mainboard/google/corsola/panel.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <boardid.h>
   4 #include <cbfs.h>
   5 #include <device/i2c_simple.h>
   6 #include <gpio.h>
   7 #include <soc/ddp.h>
   8 #include <soc/dsi.h>
   9 #include <soc/gpio_common.h>
  10 #include <soc/mtcmos.h>
  11
  12 #include "gpio.h"
  13 #include "panel.h"
  14
  15 void aw37503_init(unsigned int bus)
  16 {
  17         i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x00, 0x14, 0x1F, 0);
  18         i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x01, 0x14, 0x1F, 0);
  19         i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x21, 0x4C, 0xFF, 0);
  20         i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x03, 0x43, 0xFF, 0);
  21         i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x21, 0x00, 0xFF, 0);
  22 }
  23
  24 bool is_pmic_aw37503(unsigned int bus)
  25 {
  26         u8 vendor_id;
  27         return (!i2c_read_field(bus, PMIC_AW37503_SLAVE,
  28                                 0x04, &vendor_id, 0x0F, 0) && vendor_id == 0x01);
  29 }
  30
  31 void backlight_control(void)
  32 {
  33         /* Set up backlight control pins as output pin and power-off by default */
  34         gpio_output(GPIO_AP_EDP_BKLTEN, 0);
  35         gpio_output(GPIO_BL_PWM_1V8, 0);
  36 }
  37
  38 struct panel_description *get_active_panel(void)
  39 {
  40         /* Board-specific exceptions */
  41         if (CONFIG(BOARD_GOOGLE_STEELIX) && board_id() < 2) /* Early builds use PS8640 */
  42                 return get_ps8640_description();
  43
  44         if (CONFIG(DRIVER_ANALOGIX_ANX7625))
  45                 return get_anx7625_description();
  46
  47         if (CONFIG(DRIVER_PARADE_PS8640))
  48                 return get_ps8640_description();
  49
  50         /* MIPI panels */
  51         return get_panel_description();
  52 }