src/mainboard/samsung/stumpy/smihandler.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <console/console.h>
   5 #include <cpu/x86/smm.h>
   6 #include <southbridge/intel/bd82x6x/pch.h>
   7 #include <southbridge/intel/bd82x6x/me.h>
   8 #include <northbridge/intel/sandybridge/sandybridge.h>
   9
  10 /* Include for SIO helper functions */
  11 #include <superio/ite/common/ite.h>
  12 #include <superio/ite/common/ite_gpio.h>
  13 #include <superio/ite/it8772f/it8772f.h>
  14 #define GPIO_DEV PNP_DEV(0x2e, IT8772F_GPIO)
  15
  16 /*
  17  * Change LED_POWER# (SIO GPIO 45) state based on sleep type.
  18 */
  19 void mainboard_smi_sleep(u8 slp_typ)
  20 {
  21         printk(BIOS_DEBUG, "SMI: sleep S%d\n", slp_typ);
  22         switch (slp_typ) {
  23         case ACPI_S3:
  24         case ACPI_S4:
  25                 ite_gpio_setup(GPIO_DEV, 45, ITE_GPIO_OUTPUT, ITE_GPIO_ALT_FN_MODE,
  26                                ITE_GPIO_POL_INVERT | ITE_GPIO_PULLUP_ENABLE);
  27                 ite_gpio_setup_led(GPIO_DEV, 45, ITE_GPIO_LED_1, ITE_LED_FREQ_1HZ,
  28                                    ITE_LED_CONTROL_DEFAULT);
  29                 break;
  30         case ACPI_S5:
  31                 ite_gpio_setup(GPIO_DEV, 45, ITE_GPIO_OUTPUT, ITE_GPIO_SIMPLE_IO_MODE,
  32                                ITE_GPIO_CONTROL_DEFAULT);
  33                 break;
  34         default:
  35                 break;
  36         }
  37 }