patch-2.4.22 linux-2.4.22/include/asm-mips/sgi/ip22.h

• Lines: 78
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/asm-mips/sgi/ip22.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/include/asm-mips/sgi/ip22.h linux-2.4.22/include/asm-mips/sgi/ip22.h
@@ -0,0 +1,77 @@
+/*
+ * 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 interrups
+ * 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 <asm/sgi/ioc.h>
+
+#define SGINT_EISA	0	/* 16 EISA irq levels (Indigo2) */
+#define SGINT_CPU	16	/* MIPS CPU define 8 interrupt sources */
+#define SGINT_LOCAL0	24	/* 8 local0 irq levels */
+#define SGINT_LOCAL1	32	/* 8 local1 irq levels */
+#define SGINT_LOCAL2	40	/* 8 local2 vectored irq levels */
+#define SGINT_LOCAL3	48	/* 8 local3 vectored irq levels */
+#define SGINT_END	56	/* 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 ip22_is_fullhouse()	(sgioc->sysid & SGIOC_SYSID_FULLHOUSE)
+
+extern unsigned short ip22_eeprom_read(volatile unsigned int *ctrl, int reg);
+extern unsigned short ip22_nvram_read(int reg);
+
+#endif