patch-2.1.113 linux/include/asm-m68k/amigayle.h

• Lines: 106
• Date: Thu Jul 30 11:08:20 1998
• Orig file: v2.1.112/linux/include/asm-m68k/amigayle.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.112/linux/include/asm-m68k/amigayle.h linux/include/asm-m68k/amigayle.h
@@ -0,0 +1,105 @@
+/*
+** 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 <asm/amigahw.h>
+#include <asm/io.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))
+
+#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) )
+
+/* 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 */