/* *  ISA Plug & Play support *  Copyright (c) by Jaroslav Kysela <perex@suse.cz> * *  Modified by Ed Okerson <eokerson@quicknet.net> to work with the 2.2.x *  series of Linux kernels. 11/17/99 * *   This program is free software; you can redistribute it and/or modify *   it under the terms of the GNU General Public License as published by *   the Free Software Foundation; either version 2 of the License, or *   (at your option) any later version. * *   This program is distributed in the hope that it will be useful, *   but WITHOUT ANY WARRANTY; without even the implied warranty of *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *   GNU General Public License for more details. * *   You should have received a copy of the GNU General Public License *   along with this program; if not, write to the Free Software *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */#ifndef LINUX_ISAPNP_H#define LINUX_ISAPNP_H#include <linux/config.h>#include <linux/errno.h>/* *  Configuration registers (TODO: change by specification) */ #define ISAPNP_CFG_ACTIVATE		0x30	/* byte */#define ISAPNP_CFG_MEM			0x40	/* 4 * dword */#define ISAPNP_CFG_PORT			0x60	/* 8 * word */#define ISAPNP_CFG_IRQ			0x70	/* 2 * word */#define ISAPNP_CFG_DMA			0x74	/* 2 * byte *//* * */#define ISAPNP_VENDOR(a,b,c)	(((((a)-'A'+1)&0x3f)<<2)|\				((((b)-'A'+1)&0x18)>>3)|((((b)-'A'+1)&7)<<13)|\				((((c)-'A'+1)&0x1f)<<8))#define ISAPNP_DEVICE(x)	((((x)&0xf000)>>8)|\				 (((x)&0x0f00)>>8)|\				 (((x)&0x00f0)<<8)|\				 (((x)&0x000f)<<8))#define ISAPNP_FUNCTION(x)	ISAPNP_DEVICE(x)/* * */#ifdef __KERNEL__#include <linux/pci.h>#define ISAPNP_PORT_FLAG_16BITADDR	(1<<0)#define ISAPNP_PORT_FLAG_FIXED		(1<<1)struct isapnp_port {	unsigned short min;		/* min base number */	unsigned short max;		/* max base number */	unsigned char align;		/* align boundary */	unsigned char size;		/* size of range */	unsigned char flags;		/* port flags */	unsigned char pad;		/* pad */	struct isapnp_resources *res;	/* parent */	struct isapnp_port *next;	/* next port */};struct isapnp_irq {	unsigned short map;		/* bitmaks for IRQ lines */	unsigned char flags;		/* IRQ flags */	unsigned char pad;		/* pad */	struct isapnp_resources *res;	/* parent */	struct isapnp_irq *next;	/* next IRQ */};struct isapnp_dma {	unsigned char map;		/* bitmask for DMA channels */	unsigned char flags;		/* DMA flags */	struct isapnp_resources *res;	/* parent */	struct isapnp_dma *next;	/* next port */};struct isapnp_mem {	unsigned int min;		/* min base number */	unsigned int max;		/* max base number */	unsigned int align;		/* align boundary */	unsigned int size;		/* size of range */	unsigned char flags;		/* memory flags */	unsigned char pad;		/* pad */	struct isapnp_resources *res;	/* parent */	struct isapnp_mem *next;	/* next memory resource */};struct isapnp_mem32 {	/* TODO */	unsigned char data[17];	struct isapnp_resources *res;	/* parent */	struct isapnp_mem32 *next;	/* next 32-bit memory resource */};#define ISAPNP_RES_PRIORITY_PREFERRED	0#define ISAPNP_RES_PRIORITY_ACCEPTABLE	1#define ISAPNP_RES_PRIORITY_FUNCTIONAL	2#define ISAPNP_RES_PRIORITY_INVALID	65535struct isapnp_resources {	unsigned short priority;	/* priority */	unsigned short dependent;	/* dependent resources */	struct isapnp_port *port;	/* first port */	struct isapnp_irq *irq;		/* first IRQ */	struct isapnp_dma *dma;		/* first DMA */	struct isapnp_mem *mem;		/* first memory resource */	struct isapnp_mem32 *mem32;	/* first 32-bit memory */	struct pnp_dev *dev;		/* parent */	struct isapnp_resources *alt;	/* alternative resource (aka dependent resources) */	struct isapnp_resources *next;	/* next resource */};/* lowlevel configuration */int isapnp_present(void);int isapnp_cfg_begin(int csn, int device);int isapnp_cfg_end(void);unsigned char isapnp_read_byte(unsigned char idx);unsigned short isapnp_read_word(unsigned char idx);unsigned int isapnp_read_dword(unsigned char idx);void isapnp_write_byte(unsigned char idx, unsigned char val);void isapnp_write_word(unsigned char idx, unsigned short val);void isapnp_write_dword(unsigned char idx, unsigned int val);void isapnp_wake(unsigned char csn);void isapnp_device(unsigned char device);void isapnp_activate(unsigned char device);void isapnp_deactivate(unsigned char device);/* manager */struct pnp_bus *isapnp_find_card(unsigned short vendor,				 unsigned short device,				 struct pnp_bus *from);struct pnp_dev *isapnp_find_dev(struct pnp_bus *card,				unsigned short vendor,				unsigned short function,				struct pnp_dev *from);/* misc */void isapnp_resource_change(struct resource *resource,			    unsigned long start,			    unsigned long size);/* init/main.c */int isapnp_init(void);#endif /* __KERNEL__ */#endif /* LINUX_ISAPNP_H */