freebsd-dev/sys/arm/broadcom/bcm2835/bcm2835_mbox.h
Oleksandr Tymoshenko 1b1a53cf46 Add barebone Raspberry Pi port. Supported parts:
- Interrupts controller
  - Watchdog
  - System timer
  - Framebuffer (hardcoded resolution/bpp)
2012-08-30 20:59:37 +00:00

45 lines
1.8 KiB
C

/*-
* Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _BCM2835_MBOX_H_
#define _BCM2835_MBOX_H_
#define BCM2835_MBOX_CHAN_POWER 0
#define BCM2835_MBOX_CHAN_FB 1
#define BCM2835_MBOX_CHAN_VUART 2
#define BCM2835_MBOX_CHAN_VCHIQ 3
#define BCM2835_MBOX_CHAN_LEDS 4
#define BCM2835_MBOX_CHAN_BUTTONS 5
#define BCM2835_MBOX_CHAN_TS 6
#define BCM2835_MBOX_CHANS 7
int bcm_mbox_write(int chan, uint32_t data);
int bcm_mbox_read(int chan, uint32_t *data);
#endif /* _BCM2835_MBOX_H_ */