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Annotation of sys/arch/macppc/macppc/ofw_machdep.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: ofw_machdep.h,v 1.3 2003/06/02 16:16:27 miod Exp $    */
                      2:
                      3: /*
                      4:  * Copyright (c) 2002, Miodrag Vallat.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     16:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     18:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     19:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     21:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     25:  * SUCH DAMAGE.
                     26:  *
                     27:  */
                     28:
                     29: /*
                     30:  * Various console variables...
                     31:  */
                     32: extern int cons_displaytype;
                     33: extern bus_space_tag_t cons_membus;
                     34: extern bus_space_handle_t cons_display_mem_h;
                     35: extern bus_space_handle_t cons_display_ctl_h;
                     36: extern int cons_height, cons_width, cons_linebytes, cons_depth;
                     37: extern int cons_display_ofh;
                     38: extern u_int32_t cons_addr;
                     39: extern int cons_backlight_available;
                     40:
                     41: void ofwconprobe(void);
                     42: void ofwconsinit(void);
                     43:
                     44: /*
                     45:  * For some reason, setting the brightness under 0x29 from OF switches the
                     46:  * backlight off, and it won't be switched on again until you set the
                     47:  * brightness above 0x33.  All hail hysteresis! -- miod
                     48:  */
                     49: #define        MIN_BRIGHTNESS          0x34
                     50: #define        MAX_BRIGHTNESS          0xff
                     51: #define        STEP_BRIGHTNESS         8
                     52: #define        DEFAULT_BRIGHTNESS      0x80
                     53: extern int cons_brightness;
                     54:
                     55: void of_setbrightness(int);