Release 4.12 include/linux/isapnp.h

/*
 *  ISA Plug & Play support
 *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
 *
 *
 *   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/errno.h>
#include <linux/pnp.h>

/*
 *
 */


#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/mod_devicetable.h>


#define DEVICE_COUNT_COMPATIBLE 4


#define ISAPNP_CARD_DEVS	8


#define ISAPNP_CARD_ID(_va, _vb, _vc, _device) \
		.card_vendor = ISAPNP_VENDOR(_va, _vb, _vc), .card_device = ISAPNP_DEVICE(_device)

#define ISAPNP_CARD_END \
		.card_vendor = 0, .card_device = 0

#define ISAPNP_DEVICE_ID(_va, _vb, _vc, _function) \
		{ .vendor = ISAPNP_VENDOR(_va, _vb, _vc), .function = ISAPNP_FUNCTION(_function) }


struct isapnp_card_id {
	
unsigned long driver_data;	/* data private to the driver */
	

unsigned short card_vendor, card_device;
	struct {
		

unsigned short vendor, function;
	
} devs[ISAPNP_CARD_DEVS];	/* logical devices */
};


#define ISAPNP_DEVICE_SINGLE(_cva, _cvb, _cvc, _cdevice, _dva, _dvb, _dvc, _dfunction) \
		.card_vendor = ISAPNP_VENDOR(_cva, _cvb, _cvc), .card_device =  ISAPNP_DEVICE(_cdevice), \
                .vendor = ISAPNP_VENDOR(_dva, _dvb, _dvc), .function = ISAPNP_FUNCTION(_dfunction)

#define ISAPNP_DEVICE_SINGLE_END \
		.card_vendor = 0, .card_device = 0

#if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE))


#define __ISAPNP__

/* 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);
void isapnp_write_byte(unsigned char idx, unsigned char val);

#ifdef CONFIG_PROC_FS
int isapnp_proc_init(void);
int isapnp_proc_done(void);
#else


static inline int isapnp_proc_init(void) { return 0; }
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static inline int isapnp_proc_done(void) { return 0; }
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#endif

/* compat */
struct pnp_card *pnp_find_card(unsigned short vendor,
			       unsigned short device,
			       struct pnp_card *from);
struct pnp_dev *pnp_find_dev(struct pnp_card *card,
			     unsigned short vendor,
			     unsigned short function,
			     struct pnp_dev *from);

#else /* !CONFIG_ISAPNP */

/* lowlevel configuration */


static inline int isapnp_present(void) { return 0; }
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static inline int isapnp_cfg_begin(int csn, int device) { return -ENODEV; }
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static inline int isapnp_cfg_end(void) { return -ENODEV; }
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static inline unsigned char isapnp_read_byte(unsigned char idx) { return 0xff; }
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static inline void isapnp_write_byte(unsigned char idx, unsigned char val) { ; }

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static inline struct pnp_card *pnp_find_card(unsigned short vendor,
					     unsigned short device,
					     struct pnp_card *from) { return NULL; }
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static inline struct pnp_dev *pnp_find_dev(struct pnp_card *card,
					   unsigned short vendor,
					   unsigned short function,
					   struct pnp_dev *from) { return NULL; }

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#endif /* CONFIG_ISAPNP */

#endif /* __KERNEL__ */
#endif /* LINUX_ISAPNP_H */
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Directory: include/linux

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