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/* SPDX-License-Identifier: GPL-2.0-only */
#include <types.h>
#include <option.h>
#include <device/device.h>
#include <southbridge/intel/common/gpio.h>
#include <console/console.h>
#include "chip.h"
#include "gmux.h"
static void enable_dev(struct device *dev)
{
const struct drivers_lenovo_hybrid_graphics_config *config;
enum hybrid_graphics_req mode;
u8 ver_major, ver_minor, ver_release;
u32 version, max_brightness, brightness;
/* Don't confuse anyone else and disable the fake device */
dev->enabled = 0;
config = dev->chip_info;
if (!config) {
printk(BIOS_INFO, "Hybrid graphics: Not installed\n");
return;
}
version = gmux_index_read32(GMUX_PORT_VERSION_MAJOR);
ver_major = (version >> 24) & 0xff;
ver_minor = (version >> 16) & 0xff;
ver_release = (version >> 8) & 0xff;
max_brightness = gmux_index_read32(GMUX_PORT_MAX_BRIGHTNESS);
brightness = gmux_index_read32(GMUX_PORT_BRIGHTNESS)
& GMUX_BRIGHTNESS_MASK;
printk(BIOS_INFO, "gmux version: %d.%d.%d\n",
ver_major, ver_minor, ver_release);
printk(BIOS_INFO, "gmux max brightness: %d\n", max_brightness);
printk(BIOS_INFO, "gmux brightness: %d\n", brightness);
mode = HYBRID_GRAPHICS_DEFAULT_GPU;
get_option(&mode, "hybrid_graphics_mode");
gmux_switch(dev, mode == HYBRID_GRAPHICS_DISCRETE);
}
struct chip_operations drivers_apple_hybrid_graphics_ops = {
CHIP_NAME("Apple hybrid graphics driver")
.enable_dev = enable_dev
};
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