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mb/google/zork: Generate acpi methods in mainboard.c 

Generate acpi methods which enable and disable backlight during _INI,
_WAK, and _PTS.

BUG=b:158087989
BRANCH=Zork
TEST=check backlight during reboot and suspend

Signed-off-by: Josie Nordrum <JosieNordrum@google.com>
Change-Id: I2f3434dc92de1f697693ff69ca15bd76647b89a2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46671
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Josie Nordrum 2020-10-22 17:52:37 -06:00 committed by Tim Wawrzynczak
parent da4d9da51a
commit 0310fe7bdc
1 changed files with 53 additions and 0 deletions
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53
src/mainboard/google/zork/mainboard.c
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@ -6,6 +6,7 @@
#include <device/device.h> #include <device/device.h>
#include <device/mmio.h> #include <device/mmio.h>
#include <acpi/acpi.h> #include <acpi/acpi.h>
#include <acpi/acpigen.h>
#include <acpi/acpi_gnvs.h> #include <acpi/acpi_gnvs.h>
#include <amdblocks/amd_pci_util.h> #include <amdblocks/amd_pci_util.h>
#include <amdblocks/gpio_banks.h> #include <amdblocks/gpio_banks.h>
@ -28,6 +29,12 @@
#include <commonlib/helpers.h> #include <commonlib/helpers.h>
#include <bootstate.h> #include <bootstate.h>
#define METHOD_BACKLIGHT_ENABLE "\\_SB.BKEN"
#define METHOD_BACKLIGHT_DISABLE "\\_SB.BKDS"
#define METHOD_MAINBOARD_INI "\\_SB.MINI"
#define METHOD_MAINBOARD_WAK "\\_SB.MWAK"
#define METHOD_MAINBOARD_PTS "\\_SB.MPTS"
/*********************************************************** /***********************************************************
* These arrays set up the FCH PCI_INTR registers 0xC00/0xC01. * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
* This table is responsible for physically routing the PIC and * This table is responsible for physically routing the PIC and
@ -175,6 +182,50 @@ void mainboard_get_dxio_ddi_descriptors(const fsp_dxio_descriptor **dxio_descs,
variant_get_dxio_ddi_descriptors(dxio_descs, dxio_num, ddi_descs, ddi_num); variant_get_dxio_ddi_descriptors(dxio_descs, dxio_num, ddi_descs, ddi_num);
} }
static void mainboard_write_blken(void)
{
acpigen_write_method(METHOD_BACKLIGHT_ENABLE, 0);
acpigen_soc_clear_tx_gpio(GPIO_85);
acpigen_pop_len();
}
static void mainboard_write_blkdis(void)
{
acpigen_write_method(METHOD_BACKLIGHT_DISABLE, 0);
acpigen_soc_set_tx_gpio(GPIO_85);
acpigen_pop_len();
}
static void mainboard_write_mini(void)
{
acpigen_write_method(METHOD_MAINBOARD_INI, 0);
acpigen_emit_namestring(METHOD_BACKLIGHT_ENABLE);
acpigen_pop_len();
}
static void mainboard_write_mwak(void)
{
acpigen_write_method(METHOD_MAINBOARD_WAK, 0);
acpigen_emit_namestring(METHOD_BACKLIGHT_ENABLE);
acpigen_pop_len();
}
static void mainboard_write_mpts(void)
{
acpigen_write_method(METHOD_MAINBOARD_PTS, 0);
acpigen_emit_namestring(METHOD_BACKLIGHT_DISABLE);
acpigen_pop_len();
}
static void mainboard_fill_ssdt(const struct device *dev)
{
mainboard_write_blken();
mainboard_write_blkdis();
mainboard_write_mini();
mainboard_write_mpts();
mainboard_write_mwak();
}
/************************************************* /*************************************************
* Dedicated mainboard function * Dedicated mainboard function
*************************************************/ *************************************************/
@ -186,6 +237,8 @@ static void zork_enable(struct device *dev)
pirq_setup(); pirq_setup();
dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator; dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator;
dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt;
} }
static void mainboard_final(void *chip_info) static void mainboard_final(void *chip_info)