Subversion Repositories or1k

/* include/asm-sh/dc_sysasic.h

 *

 * Definitions for the Dreamcast System ASIC and related peripherals.

 *

 * Copyright (c) 2001 M. R. Brown <mrbrown@linuxdc.org>

 *

 * This file is part of the LinuxDC project (www.linuxdc.org)

 *

 * Released under the terms of the GNU GPL v2.0.

 *

 */

#include <asm/irq.h>

/* 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  OFFCHIP_IRQ_BASE /* 48 */

/* 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 */

/* 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)