src/drivers/i2c/ww_ring/ww_ring.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __SRC_DRIVERS_VIDEO_WW_RING__H__
   4 #define __SRC_DRIVERS_VIDEO_WW_RING__H__
   5
   6 /*
   7  * Different types of display patterns to be shown by the LED ring while
   8  * controlled by coreboot.
   9  */
  10 enum display_pattern {
  11         WWR_ALL_OFF,            /* Turn the LEDs off. */
  12         WWR_RECOVERY_PUSHED,    /* Recovery button push detected on start up. */
  13         WWR_WIPEOUT_REQUEST,    /* Held long enough for wipeout request. */
  14         WWR_RECOVERY_REQUEST,   /* Held long enough for recovery request. */
  15         WWR_NORMAL_BOOT         /* No buttons pressed, normal boot sequence. */
  16 };
  17 /*
  18  * ww_ring_display_pattern
  19  *
  20  * Display pattern on the ring LEDs.
  21  */
  22 int ww_ring_display_pattern(unsigned int i2c_bus, enum display_pattern pattern);
  23
  24 #endif