Full support for Ginger Console
[linux-ginger.git] / arch / sh / include / mach-dreamcast / mach / sysasic.h
blobf33426608a87e36a45bc061fc4f6b3a41214081d
1 /* include/asm-sh/dreamcast/sysasic.h
3 * Definitions for the Dreamcast System ASIC and related peripherals.
5 * Copyright (c) 2001 M. R. Brown <mrbrown@linuxdc.org>
6 * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
8 * This file is part of the LinuxDC project (www.linuxdc.org)
10 * Released under the terms of the GNU GPL v2.0.
13 #ifndef __ASM_SH_DREAMCAST_SYSASIC_H
14 #define __ASM_SH_DREAMCAST_SYSASIC_H
16 #include <asm/irq.h>
18 /* Hardware events -
20 Each of these events correspond to a bit within the Event Mask Registers/
21 Event Status Registers. Because of the virtual IRQ numbering scheme, a
22 base offset must be used when calculating the virtual IRQ that each event
23 takes.
26 #define HW_EVENT_IRQ_BASE 48
28 /* IRQ 13 */
29 #define HW_EVENT_VSYNC (HW_EVENT_IRQ_BASE + 5) /* VSync */
30 #define HW_EVENT_MAPLE_DMA (HW_EVENT_IRQ_BASE + 12) /* Maple DMA complete */
31 #define HW_EVENT_GDROM_DMA (HW_EVENT_IRQ_BASE + 14) /* GD-ROM DMA complete */
32 #define HW_EVENT_G2_DMA (HW_EVENT_IRQ_BASE + 15) /* G2 DMA complete */
33 #define HW_EVENT_PVR2_DMA (HW_EVENT_IRQ_BASE + 19) /* PVR2 DMA complete */
35 /* IRQ 11 */
36 #define HW_EVENT_GDROM_CMD (HW_EVENT_IRQ_BASE + 32) /* GD-ROM cmd. complete */
37 #define HW_EVENT_AICA_SYS (HW_EVENT_IRQ_BASE + 33) /* AICA-related */
38 #define HW_EVENT_EXTERNAL (HW_EVENT_IRQ_BASE + 35) /* Ext. (expansion) */
40 #define HW_EVENT_IRQ_MAX (HW_EVENT_IRQ_BASE + 95)
42 #endif /* __ASM_SH_DREAMCAST_SYSASIC_H */