cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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backlight.h (1115B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Routines for handling backlight control on PowerBooks
      4 *
      5 * For now, implementation resides in
      6 * arch/powerpc/platforms/powermac/backlight.c
      7 *
      8 */
      9#ifndef __ASM_POWERPC_BACKLIGHT_H
     10#define __ASM_POWERPC_BACKLIGHT_H
     11#ifdef __KERNEL__
     12
     13#include <linux/fb.h>
     14#include <linux/mutex.h>
     15
     16/* For locking instructions, see the implementation file */
     17extern struct backlight_device *pmac_backlight;
     18extern struct mutex pmac_backlight_mutex;
     19
     20extern int pmac_backlight_curve_lookup(struct fb_info *info, int value);
     21
     22extern int pmac_has_backlight_type(const char *type);
     23
     24extern void pmac_backlight_key(int direction);
     25static inline void pmac_backlight_key_up(void)
     26{
     27	pmac_backlight_key(0);
     28}
     29static inline void pmac_backlight_key_down(void)
     30{
     31	pmac_backlight_key(1);
     32}
     33
     34extern void pmac_backlight_set_legacy_brightness_pmu(int brightness);
     35extern int pmac_backlight_set_legacy_brightness(int brightness);
     36extern int pmac_backlight_get_legacy_brightness(void);
     37
     38extern void pmac_backlight_enable(void);
     39extern void pmac_backlight_disable(void);
     40
     41#endif /* __KERNEL__ */
     42#endif