1 /* 2 * Copyright © 2016 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25 #ifndef __IGT_SYSFS_H__ 26 #define __IGT_SYSFS_H__ 27 28 #include <stdbool.h> 29 #include <stdarg.h> 30 31 char *igt_sysfs_path(int device, char *path, int pathlen); 32 int igt_sysfs_open(int device); 33 int igt_sysfs_open_parameters(int device); 34 bool igt_sysfs_set_parameter(int device, 35 const char *parameter, 36 const char *fmt, ...) 37 __attribute__((format(printf,3,4))); 38 39 int igt_sysfs_read(int dir, const char *attr, void *data, int len); 40 int igt_sysfs_write(int dir, const char *attr, const void *data, int len); 41 42 bool igt_sysfs_set(int dir, const char *attr, const char *value); 43 char *igt_sysfs_get(int dir, const char *attr); 44 45 int igt_sysfs_scanf(int dir, const char *attr, const char *fmt, ...) 46 __attribute__((format(scanf,3,4))); 47 int igt_sysfs_vprintf(int dir, const char *attr, const char *fmt, va_list ap) 48 __attribute__((format(printf,3,0))); 49 int igt_sysfs_printf(int dir, const char *attr, const char *fmt, ...) 50 __attribute__((format(printf,3,4))); 51 52 uint32_t igt_sysfs_get_u32(int dir, const char *attr); 53 bool igt_sysfs_set_u32(int dir, const char *attr, uint32_t value); 54 55 bool igt_sysfs_get_boolean(int dir, const char *attr); 56 bool igt_sysfs_set_boolean(int dir, const char *attr, bool value); 57 58 void bind_fbcon(bool enable); 59 void kick_snd_hda_intel(void); 60 void fbcon_blink_enable(bool enable); 61 62 #endif /* __IGT_SYSFS_H__ */ 63