gma.h

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#ifndef _GMA_H_
#define _GMA_H_
 
#include <stdint.h>
 
struct i915_gpu_controller_info {
        int use_spread_spectrum_clock;
        int ndid;
        u32 did[5];
};
 
/* Devicetree panel configuration */
struct i915_gpu_panel_config {
        unsigned int up_delay_ms;
        unsigned int down_delay_ms;
        unsigned int cycle_delay_ms;
        unsigned int backlight_on_delay_ms;
        unsigned int backlight_off_delay_ms;
        unsigned int backlight_pwm_hz;
        enum {
                GPU_BACKLIGHT_POLARITY_HIGH = 0,
                GPU_BACKLIGHT_POLARITY_LOW,
        } backlight_polarity;
};
 
#define GMA_STATIC_DISPLAYS(ssc) {                      \
        .use_spread_spectrum_clock = (ssc),             \
        .ndid = 3, .did = { 0x0100, 0x0240, 0x0410, }   \
}
 
/* Shortcut for one internal panel at port A */
#define GMA_DEFAULT_PANEL(ssc) {                \
        .use_spread_spectrum_clock = (ssc),     \
        .ndid = 1, .did = { 0x0400 }            \
}
 
void drivers_intel_gma_displays_ssdt_generate(const struct i915_gpu_controller_info *conf);
 
#endif