diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/kukui/Kconfig | 1 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/kukui/panel_ps8640.c | 73 |
3 files changed, 75 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/Kconfig b/src/mainboard/google/kukui/Kconfig index 863f49ee23..b4d0fda72a 100644 --- a/src/mainboard/google/kukui/Kconfig +++ b/src/mainboard/google/kukui/Kconfig @@ -41,6 +41,7 @@ config BOARD_SPECIFIC_OPTIONS select MAINBOARD_HAS_NATIVE_VGA_INIT select MAINBOARD_FORCE_NATIVE_VGA_INIT select HAVE_LINEAR_FRAMEBUFFER + select DRIVER_PARADE_PS8640 if BOARD_GOOGLE_JACUZZI config MAINBOARD_DIR string diff --git a/src/mainboard/google/kukui/Makefile.inc b/src/mainboard/google/kukui/Makefile.inc index 3f3d931c46..e34bff17fb 100644 --- a/src/mainboard/google/kukui/Makefile.inc +++ b/src/mainboard/google/kukui/Makefile.inc @@ -27,4 +27,5 @@ ramstage-y += memlayout.ld ramstage-$(CONFIG_BOARD_GOOGLE_KODAMA) += panel_kodama.c ramstage-$(CONFIG_BOARD_GOOGLE_KRANE) += panel_krane.c ramstage-$(CONFIG_BOARD_GOOGLE_KUKUI) += panel_kukui.c +ramstage-$(CONFIG_DRIVER_PARADE_PS8640) += panel_ps8640.c ramstage-y += reset.c diff --git a/src/mainboard/google/kukui/panel_ps8640.c b/src/mainboard/google/kukui/panel_ps8640.c new file mode 100644 index 0000000000..d2f65a8d95 --- /dev/null +++ b/src/mainboard/google/kukui/panel_ps8640.c @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <console/console.h> +#include <delay.h> +#include <drivers/parade/ps8640/ps8640.h> +#include <edid.h> +#include <gpio.h> +#include <soc/i2c.h> +#include <string.h> + +#include "panel.h" + + +static void power_on_ps8640(void) +{ + gpio_output(GPIO_MIPIBRDG_RST_L_1V8, 0); + gpio_output(GPIO_PP1200_MIPIBRDG_EN, 1); + gpio_output(GPIO_VDDIO_MIPIBRDG_EN, 1); + mdelay(2); + gpio_output(GPIO_MIPIBRDG_PWRDN_L_1V8, 1); + mdelay(2); + gpio_output(GPIO_MIPIBRDG_RST_L_1V8, 1); + gpio_output(GPIO_PP3300_LCM_EN, 1); +} + +static void dummy_power_on(void) +{ + /* The panel has been already powered on when getting panel information + * so we should do nothing here. + */ +} + +static struct panel_description ps8640_panel = { + .power_on = dummy_power_on, + .orientation = LB_FB_ORIENTATION_NORMAL, + .init = { INIT_END_CMD }, +}; + +struct panel_description *get_panel_description(int panel_id) +{ + static char mode_name[64]; + + /* To read panel EDID, we have to first power on PS8640. */ + power_on_ps8640(); + + u8 i2c_bus = 4, i2c_addr = 0x08; + mtk_i2c_bus_init(i2c_bus); + + ps8640_init(i2c_bus, i2c_addr); + struct edid *edid = &ps8640_panel.edid; + if (ps8640_get_edid(i2c_bus, i2c_addr, edid)) { + printk(BIOS_ERR, "Can't get panel's edid\n"); + return NULL; + } + /* TODO(hungte) Move this to ps8640_get_edid */ + snprintf(mode_name, sizeof(mode_name), "%dx%d@%dHz", edid->x_resolution, + edid->y_resolution, edid->mode.refresh); + ps8640_panel.edid.mode.name = mode_name; + return &ps8640_panel; +} |