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- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * ip22.h: Definitions for SGI IP22 machines
- *
- * Copyright (C) 1996 David S. Miller
- * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle
- */
- #ifndef _SGI_IP22_H
- #define _SGI_IP22_H
- /*
- * These are the virtual IRQ numbers, we divide all IRQ's into
- * 'spaces', the 'space' determines where and how to enable/disable
- * that particular IRQ on an SGI machine. HPC DMA and MC DMA interrupts
- * are not supported this way. Driver is supposed to allocate HPC/MC
- * interrupt as shareable and then look to proper status bit (see
- * HAL2 driver). This will prevent many complications, trust me ;-)
- */
- #include <irq.h>
- #include <asm/sgi/ioc.h>
- #define SGINT_EISA 0 /* 16 EISA irq levels (Indigo2) */
- #define SGINT_CPU MIPS_CPU_IRQ_BASE /* MIPS CPU define 8 interrupt sources */
- #define SGINT_LOCAL0 (SGINT_CPU+8) /* 8 local0 irq levels */
- #define SGINT_LOCAL1 (SGINT_CPU+16) /* 8 local1 irq levels */
- #define SGINT_LOCAL2 (SGINT_CPU+24) /* 8 local2 vectored irq levels */
- #define SGINT_LOCAL3 (SGINT_CPU+32) /* 8 local3 vectored irq levels */
- #define SGINT_END (SGINT_CPU+40) /* End of 'spaces' */
- /*
- * Individual interrupt definitions for the Indy and Indigo2
- */
- #define SGI_SOFT_0_IRQ SGINT_CPU + 0
- #define SGI_SOFT_1_IRQ SGINT_CPU + 1
- #define SGI_LOCAL_0_IRQ SGINT_CPU + 2
- #define SGI_LOCAL_1_IRQ SGINT_CPU + 3
- #define SGI_8254_0_IRQ SGINT_CPU + 4
- #define SGI_8254_1_IRQ SGINT_CPU + 5
- #define SGI_BUSERR_IRQ SGINT_CPU + 6
- #define SGI_TIMER_IRQ SGINT_CPU + 7
- #define SGI_FIFO_IRQ SGINT_LOCAL0 + 0 /* FIFO full */
- #define SGI_GIO_0_IRQ SGI_FIFO_IRQ /* GIO-0 */
- #define SGI_WD93_0_IRQ SGINT_LOCAL0 + 1 /* 1st onboard WD93 */
- #define SGI_WD93_1_IRQ SGINT_LOCAL0 + 2 /* 2nd onboard WD93 */
- #define SGI_ENET_IRQ SGINT_LOCAL0 + 3 /* onboard ethernet */
- #define SGI_MCDMA_IRQ SGINT_LOCAL0 + 4 /* MC DMA done */
- #define SGI_PARPORT_IRQ SGINT_LOCAL0 + 5 /* Parallel port */
- #define SGI_GIO_1_IRQ SGINT_LOCAL0 + 6 /* GE / GIO-1 / 2nd-HPC */
- #define SGI_MAP_0_IRQ SGINT_LOCAL0 + 7 /* Mappable interrupt 0 */
- #define SGI_GPL0_IRQ SGINT_LOCAL1 + 0 /* General Purpose LOCAL1_N<0> */
- #define SGI_PANEL_IRQ SGINT_LOCAL1 + 1 /* front panel */
- #define SGI_GPL2_IRQ SGINT_LOCAL1 + 2 /* General Purpose LOCAL1_N<2> */
- #define SGI_MAP_1_IRQ SGINT_LOCAL1 + 3 /* Mappable interrupt 1 */
- #define SGI_HPCDMA_IRQ SGINT_LOCAL1 + 4 /* HPC DMA done */
- #define SGI_ACFAIL_IRQ SGINT_LOCAL1 + 5 /* AC fail */
- #define SGI_VINO_IRQ SGINT_LOCAL1 + 6 /* Indy VINO */
- #define SGI_GIO_2_IRQ SGINT_LOCAL1 + 7 /* Vert retrace / GIO-2 */
- /* Mapped interrupts. These interrupts may be mapped to either 0, or 1 */
- #define SGI_VERT_IRQ SGINT_LOCAL2 + 0 /* INT3: newport vertical status */
- #define SGI_EISA_IRQ SGINT_LOCAL2 + 3 /* EISA interrupts */
- #define SGI_KEYBD_IRQ SGINT_LOCAL2 + 4 /* keyboard */
- #define SGI_SERIAL_IRQ SGINT_LOCAL2 + 5 /* onboard serial */
- #define SGI_GIOEXP0_IRQ (SGINT_LOCAL2 + 6) /* Indy GIO EXP0 */
- #define SGI_GIOEXP1_IRQ (SGINT_LOCAL2 + 7) /* Indy GIO EXP1 */
- #define ip22_is_fullhouse() (sgioc->sysid & SGIOC_SYSID_FULLHOUSE)
- extern unsigned short ip22_eeprom_read(unsigned int *ctrl, int reg);
- extern unsigned short ip22_nvram_read(int reg);
- #endif
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