From 0310fe7bdc71d6a3a96ad8438b6089b77e838c70 Mon Sep 17 00:00:00 2001 From: Josie Nordrum Date: Thu, 22 Oct 2020 17:52:37 -0600 Subject: 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 Change-Id: I2f3434dc92de1f697693ff69ca15bd76647b89a2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/46671 Reviewed-by: Martin Roth Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- src/mainboard/google/zork/mainboard.c | 53 +++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/src/mainboard/google/zork/mainboard.c b/src/mainboard/google/zork/mainboard.c index f0d9a2869d..9503d3762c 100644 --- a/src/mainboard/google/zork/mainboard.c +++ b/src/mainboard/google/zork/mainboard.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -28,6 +29,12 @@ #include #include +#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. * 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); } +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 *************************************************/ @@ -186,6 +237,8 @@ static void zork_enable(struct device *dev) pirq_setup(); dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator; + dev->ops->acpi_fill_ssdt = mainboard_fill_ssdt; + } static void mainboard_final(void *chip_info) -- cgit v1.2.3