patch-2.3.14 linux/include/linux/isapnp.h

• Lines: 179
• Date: Wed Aug 18 16:44:31 1999
• Orig file: v2.3.13/linux/include/linux/isapnp.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.13/linux/include/linux/isapnp.h linux/include/linux/isapnp.h
@@ -0,0 +1,178 @@
+/*
+ *  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/config.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 short flags;		/* port flags */
+	struct isapnp_resources *res;	/* parent */
+	struct isapnp_port *next;	/* next port */
+};
+
+struct isapnp_irq {
+	unsigned short map;		/* bitmaks for IRQ lines */
+	unsigned short flags;		/* IRQ flags */
+	struct isapnp_resources *res;	/* parent */
+	struct isapnp_irq *next;	/* next IRQ */
+};
+
+struct isapnp_dma {
+	unsigned char map;		/* bitmask for DMA channels */
+	unsigned char type;		/* DMA type */
+	unsigned char flags;		/* DMA flags */
+	unsigned char speed;		/* DMA speed */
+	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 short flags;		/* memory flags */
+	unsigned short type;		/* memory type */
+	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 pci_dev *dev;		/* parent */
+	struct isapnp_resources *alt;	/* alternative resource (aka dependent resources) */
+	struct isapnp_resources *next;	/* next resource */
+};
+
+#ifdef CONFIG_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);
+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 pci_bus *isapnp_find_card(unsigned short vendor,
+				 unsigned short device,
+				 struct pci_bus *from);
+struct pci_dev *isapnp_find_dev(struct pci_bus *card,
+				unsigned short vendor,
+				unsigned short function,
+				struct pci_dev *from);
+/* init/main.c */
+int isapnp_init(void);
+
+#else /* !CONFIG_ISAPNP */
+
+/* lowlevel configuration */
+extern inline int isapnp_present(void) { return 0; }
+extern inline int isapnp_cfg_begin(int csn, int device) { return -ENODEV; }
+extern inline int isapnp_cfg_end(void) { return -ENODEV; }
+extern inline unsigned char isapnp_read_byte(unsigned char idx) { return 0xff; }
+extern inline unsigned short isapnp_read_word(unsigned char idx) { return 0xffff; }
+extern inline unsigned int isapnp_read_dword(unsigned char idx) { return 0xffffffff; }
+extern inline void isapnp_write_byte(unsigned char idx, unsigned char val) { ; }
+extern inline void isapnp_write_word(unsigned char idx, unsigned short val) { ; }
+extern inline void isapnp_write_dword(unsigned char idx, unsigned int val) { ; }
+extern void isapnp_wake(unsigned char csn) { ; }
+extern void isapnp_device(unsigned char device) { ; }
+extern void isapnp_activate(unsigned char device) { ; }
+extern void isapnp_deactivate(unsigned char device) { ; }
+/* manager */
+extern struct pci_bus *isapnp_find_card(unsigned short vendor,
+				        unsigned short device,
+				        struct pci_bus *from) { return NULL; }
+extern struct pci_dev *isapnp_find_dev(struct pci_bus *card,
+				       unsigned short vendor,
+				       unsigned short function,
+				       struct pci_dev *from) { return NULL; }
+
+#endif /* CONFIG_ISAPNP */
+
+#endif /* __KERNEL__ */
+#endif /* LINUX_ISAPNP_H */