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-rw-r--r--arch/m68k/include/asm/amigayle.h107
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diff --git a/arch/m68k/include/asm/amigayle.h b/arch/m68k/include/asm/amigayle.h
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+/*
+** asm-m68k/amigayle.h -- This header defines the registers of the gayle chip
+** found on the Amiga 1200
+** This information was found by disassembling card.resource,
+** so the definitions may not be 100% correct
+** anyone has an official doc ?
+**
+** Copyright 1997 by Alain Malek
+**
+** 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.
+**
+** Created: 11/28/97 by Alain Malek
+*/
+
+#ifndef _M68K_AMIGAYLE_H_
+#define _M68K_AMIGAYLE_H_
+
+#include <linux/types.h>
+#include <asm/amigahw.h>
+
+/* memory layout */
+
+#define GAYLE_RAM (0x600000+zTwoBase)
+#define GAYLE_RAMSIZE (0x400000)
+#define GAYLE_ATTRIBUTE (0xa00000+zTwoBase)
+#define GAYLE_ATTRIBUTESIZE (0x020000)
+#define GAYLE_IO (0xa20000+zTwoBase) /* 16bit and even 8bit registers */
+#define GAYLE_IOSIZE (0x010000)
+#define GAYLE_IO_8BITODD (0xa30000+zTwoBase) /* odd 8bit registers */
+
+/* offset for accessing odd IO registers */
+#define GAYLE_ODD (GAYLE_IO_8BITODD-GAYLE_IO-1)
+
+/* GAYLE registers */
+
+struct GAYLE {
+ u_char cardstatus;
+ u_char pad0[0x1000-1];
+
+ u_char intreq;
+ u_char pad1[0x1000-1];
+
+ u_char inten;
+ u_char pad2[0x1000-1];
+
+ u_char config;
+ u_char pad3[0x1000-1];
+};
+
+#define GAYLE_ADDRESS (0xda8000) /* gayle main registers base address */
+
+#define GAYLE_RESET (0xa40000) /* write 0x00 to start reset,
+ read 1 byte to stop reset */
+
+#define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS))
+#define gayle_reset (*(volatile u_char *)(zTwoBase+GAYLE_RESET))
+
+#define gayle_attribute ((volatile u_char *)(GAYLE_ATTRIBUTE))
+
+#if 0
+#define gayle_inb(a) readb( GAYLE_IO+(a)+(((a)&1)*GAYLE_ODD) )
+#define gayle_outb(v,a) writeb( v, GAYLE_IO+(a)+(((a)&1)*GAYLE_ODD) )
+
+#define gayle_inw(a) readw( GAYLE_IO+(a) )
+#define gayle_outw(v,a) writew( v, GAYLE_IO+(a) )
+#endif
+
+/* GAYLE_CARDSTATUS bit def */
+
+#define GAYLE_CS_CCDET 0x40 /* credit card detect */
+#define GAYLE_CS_BVD1 0x20 /* battery voltage detect 1 */
+#define GAYLE_CS_SC 0x20 /* credit card status change */
+#define GAYLE_CS_BVD2 0x10 /* battery voltage detect 2 */
+#define GAYLE_CS_DA 0x10 /* digital audio */
+#define GAYLE_CS_WR 0x08 /* write enable (1 == enabled) */
+#define GAYLE_CS_BSY 0x04 /* credit card busy */
+#define GAYLE_CS_IRQ 0x04 /* interrupt request */
+
+/* GAYLE_IRQ bit def */
+
+#define GAYLE_IRQ_IDE 0x80
+#define GAYLE_IRQ_CCDET 0x40
+#define GAYLE_IRQ_BVD1 0x20
+#define GAYLE_IRQ_SC 0x20
+#define GAYLE_IRQ_BVD2 0x10
+#define GAYLE_IRQ_DA 0x10
+#define GAYLE_IRQ_WR 0x08
+#define GAYLE_IRQ_BSY 0x04
+#define GAYLE_IRQ_IRQ 0x04
+#define GAYLE_IRQ_IDEACK1 0x02
+#define GAYLE_IRQ_IDEACK0 0x01
+
+/* GAYLE_CONFIG bit def
+ (bit 0-1 for program voltage, bit 2-3 for access speed */
+
+#define GAYLE_CFG_0V 0x00
+#define GAYLE_CFG_5V 0x01
+#define GAYLE_CFG_12V 0x02
+
+#define GAYLE_CFG_100NS 0x08
+#define GAYLE_CFG_150NS 0x04
+#define GAYLE_CFG_250NS 0x00
+#define GAYLE_CFG_720NS 0x0c
+
+#endif /* asm-m68k/amigayle.h */
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