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/*
* Copyright (C) 2015 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*/
#ifndef __SRC_DRIVERS_VIDEO_WW_RING__H__
#define __SRC_DRIVERS_VIDEO_WW_RING__H__
/*
* Different types of display patterns to be shown by the LED ring while
* contrlled by coreboot.
*/
enum display_pattern {
WWR_ALL_OFF, /* Turn the LEDs off. */
WWR_RECOVERY_PUSHED, /* Recovery button push detected on start up. */
WWR_WIPEOUT_REQUEST, /* Held long enough for wipout request. */
WWR_RECOVERY_REQUEST, /* Held long enough for recovery request. */
WWR_NORMAL_BOOT /* No buttons pressed, normal boot sequence. */
};
/*
* ww_ring_display_pattern
*
* Display pattern on the ring LEDs.
*/
int ww_ring_display_pattern(unsigned i2c_bus, enum display_pattern pattern);
#endif
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