forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
3.8 KiB
121 lines
3.8 KiB
/* |
|
* ISA Plug & Play support |
|
* Copyright (c) by Jaroslav Kysela <[email protected]> |
|
* |
|
* |
|
* 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; } |
|
static inline int isapnp_proc_done(void) { return 0; } |
|
#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; } |
|
static inline int isapnp_cfg_begin(int csn, int device) { return -ENODEV; } |
|
static inline int isapnp_cfg_end(void) { return -ENODEV; } |
|
static inline unsigned char isapnp_read_byte(unsigned char idx) { return 0xff; } |
|
static inline void isapnp_write_byte(unsigned char idx, unsigned char val) { ; } |
|
|
|
static inline struct pnp_card *pnp_find_card(unsigned short vendor, |
|
unsigned short device, |
|
struct pnp_card *from) { return NULL; } |
|
static inline struct pnp_dev *pnp_find_dev(struct pnp_card *card, |
|
unsigned short vendor, |
|
unsigned short function, |
|
struct pnp_dev *from) { return NULL; } |
|
|
|
#endif /* CONFIG_ISAPNP */ |
|
|
|
#endif /* __KERNEL__ */ |
|
#endif /* LINUX_ISAPNP_H */
|
|
|