From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/sh/include/mach-dreamcast/mach/sysasic.h | 46 +++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/sh/include/mach-dreamcast/mach/sysasic.h (limited to 'arch/sh/include/mach-dreamcast/mach/sysasic.h') diff --git a/arch/sh/include/mach-dreamcast/mach/sysasic.h b/arch/sh/include/mach-dreamcast/mach/sysasic.h new file mode 100644 index 0000000000..3b27be9a52 --- /dev/null +++ b/arch/sh/include/mach-dreamcast/mach/sysasic.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * include/asm-sh/dreamcast/sysasic.h + * + * Definitions for the Dreamcast System ASIC and related peripherals. + * + * Copyright (c) 2001 M. R. Brown + * Copyright (C) 2003 Paul Mundt + * + * This file is part of the LinuxDC project (www.linuxdc.org) + */ +#ifndef __ASM_SH_DREAMCAST_SYSASIC_H +#define __ASM_SH_DREAMCAST_SYSASIC_H + +#include + +/* Hardware events - + + Each of these events correspond to a bit within the Event Mask Registers/ + Event Status Registers. Because of the virtual IRQ numbering scheme, a + base offset must be used when calculating the virtual IRQ that each event + takes. +*/ + +#define HW_EVENT_IRQ_BASE (48 + 16) + +/* IRQ 13 */ +#define HW_EVENT_VSYNC (HW_EVENT_IRQ_BASE + 5) /* VSync */ +#define HW_EVENT_MAPLE_DMA (HW_EVENT_IRQ_BASE + 12) /* Maple DMA complete */ +#define HW_EVENT_GDROM_DMA (HW_EVENT_IRQ_BASE + 14) /* GD-ROM DMA complete */ +#define HW_EVENT_G2_DMA (HW_EVENT_IRQ_BASE + 15) /* G2 DMA complete */ +#define HW_EVENT_PVR2_DMA (HW_EVENT_IRQ_BASE + 19) /* PVR2 DMA complete */ + +/* IRQ 11 */ +#define HW_EVENT_GDROM_CMD (HW_EVENT_IRQ_BASE + 32) /* GD-ROM cmd. complete */ +#define HW_EVENT_AICA_SYS (HW_EVENT_IRQ_BASE + 33) /* AICA-related */ +#define HW_EVENT_EXTERNAL (HW_EVENT_IRQ_BASE + 35) /* Ext. (expansion) */ + +#define HW_EVENT_IRQ_MAX (HW_EVENT_IRQ_BASE + 95) + +/* arch/sh/boards/mach-dreamcast/irq.c */ +extern int systemasic_irq_demux(int); +extern void systemasic_irq_init(void); + +#endif /* __ASM_SH_DREAMCAST_SYSASIC_H */ + -- cgit v1.2.3