src/soc/amd/common/block/pm/chipset_state.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <amdblocks/acpi.h>
   4 #include <amdblocks/gpio.h>
   5 #include <amdblocks/pmlib.h>
   6 #include <cbmem.h>
   7 #include <elog.h>
   8 #include <string.h>
   9
  10 static struct chipset_power_state chipset_state;
  11
  12 void fill_chipset_state(void)
  13 {
  14         acpi_fill_pm_gpe_state(&chipset_state.gpe_state);
  15         gpio_fill_wake_state(&chipset_state.gpio_state);
  16 }
  17
  18 void elog_gsmi_cb_platform_log_wake_source(void)
  19 {
  20         fill_chipset_state();
  21         acpi_log_events(&chipset_state);
  22 }
  23
  24 static void add_chipset_state_cbmem(int unused)
  25 {
  26         struct chipset_power_state *state;
  27
  28         state = cbmem_add(CBMEM_ID_POWER_STATE, sizeof(*state));
  29
  30         if (state)
  31                 memcpy(state, &chipset_state, sizeof(*state));
  32 }
  33
  34 CBMEM_CREATION_HOOK(add_chipset_state_cbmem);