1 /* SPDX-License-Identifier: GPL-2.0 1 2 * 3 * include/asm-sh/dreamcast/sysasic.h 4 * 5 * Definitions for the Dreamcast System ASIC a 6 * 7 * Copyright (c) 2001 M. R. Brown <mrbrown@lin 8 * Copyright (C) 2003 Paul Mundt <lethal@linux 9 * 10 * This file is part of the LinuxDC project (w 11 */ 12 #ifndef __ASM_SH_DREAMCAST_SYSASIC_H 13 #define __ASM_SH_DREAMCAST_SYSASIC_H 14 15 #include <asm/irq.h> 16 17 /* Hardware events - 18 19 Each of these events correspond to a bit wi 20 Event Status Registers. Because of the vir 21 base offset must be used when calculating t 22 takes. 23 */ 24 25 #define HW_EVENT_IRQ_BASE (48 + 16) 26 27 /* IRQ 13 */ 28 #define HW_EVENT_VSYNC (HW_EVENT_IRQ_BASE 29 #define HW_EVENT_MAPLE_DMA (HW_EVENT_IRQ_BASE 30 #define HW_EVENT_GDROM_DMA (HW_EVENT_IRQ_BASE 31 #define HW_EVENT_G2_DMA (HW_EVENT_IRQ_BASE 32 #define HW_EVENT_PVR2_DMA (HW_EVENT_IRQ_BASE 33 34 /* IRQ 11 */ 35 #define HW_EVENT_GDROM_CMD (HW_EVENT_IRQ_BASE 36 #define HW_EVENT_AICA_SYS (HW_EVENT_IRQ_BASE 37 #define HW_EVENT_EXTERNAL (HW_EVENT_IRQ_BASE 38 39 #define HW_EVENT_IRQ_MAX (HW_EVENT_IRQ_BASE + 40 41 /* arch/sh/boards/mach-dreamcast/irq.c */ 42 extern int systemasic_irq_demux(int); 43 extern void systemasic_irq_init(void); 44 45 #endif /* __ASM_SH_DREAMCAST_SYSASIC_H */ 46 47
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