/* ** 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 */