isapnp.h
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上传日期:2013-07-25
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文件大小:5k
- /*
- * 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 65535
- struct 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 */