[linux-2.6-block.git] / arch / arm / include / asm / mach / pci.h

/*
 *  arch/arm/include/asm/mach/pci.h
 *
 *  Copyright (C) 2000 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __ASM_MACH_PCI_H
#define __ASM_MACH_PCI_H

#include <linux/ioport.h>

struct pci_sys_data;
struct pci_ops;
struct pci_bus;
struct device;

struct hw_pci {
#ifdef CONFIG_PCI_DOMAINS
	int		domain;
#endif
	struct pci_ops	*ops;
	int		nr_controllers;
	void		**private_data;
	int		(*setup)(int nr, struct pci_sys_data *);
	struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
	void		(*preinit)(void);
	void		(*postinit)(void);
	u8		(*swizzle)(struct pci_dev *dev, u8 *pin);
	int		(*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
	resource_size_t (*align_resource)(struct pci_dev *dev,
					  const struct resource *res,
					  resource_size_t start,
					  resource_size_t size,
					  resource_size_t align);
	void		(*add_bus)(struct pci_bus *bus);
	void		(*remove_bus)(struct pci_bus *bus);
};

/*
 * Per-controller structure
 */
struct pci_sys_data {
#ifdef CONFIG_PCI_DOMAINS
	int		domain;
#endif
	struct list_head node;
	int		busnr;		/* primary bus number			*/
	u64		mem_offset;	/* bus->cpu memory mapping offset	*/
	unsigned long	io_offset;	/* bus->cpu IO mapping offset		*/
	struct pci_bus	*bus;		/* PCI bus				*/
	struct list_head resources;	/* root bus resources (apertures)       */
	struct resource io_res;
	char		io_res_name[12];
					/* Bridge swizzling			*/
	u8		(*swizzle)(struct pci_dev *, u8 *);
					/* IRQ mapping				*/
	int		(*map_irq)(const struct pci_dev *, u8, u8);
					/* Resource alignement requirements	*/
	resource_size_t (*align_resource)(struct pci_dev *dev,
					  const struct resource *res,
					  resource_size_t start,
					  resource_size_t size,
					  resource_size_t align);
	void		(*add_bus)(struct pci_bus *bus);
	void		(*remove_bus)(struct pci_bus *bus);
	void		*private_data;	/* platform controller private data	*/
};

/*
 * Call this with your hw_pci struct to initialise the PCI system.
 */
void pci_common_init_dev(struct device *, struct hw_pci *);

/*
 * Compatibility wrapper for older platforms that do not care about
 * passing the parent device.
 */
static inline void pci_common_init(struct hw_pci *hw)
{
	pci_common_init_dev(NULL, hw);
}

/*
 * Setup early fixed I/O mapping.
 */
#if defined(CONFIG_PCI)
extern void pci_map_io_early(unsigned long pfn);
#else
static inline void pci_map_io_early(unsigned long pfn) {}
#endif

/*
 * PCI controllers
 */
extern struct pci_ops iop3xx_ops;
extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
extern void iop3xx_pci_preinit(void);
extern void iop3xx_pci_preinit_cond(void);

extern struct pci_ops dc21285_ops;
extern int dc21285_setup(int nr, struct pci_sys_data *);
extern void dc21285_preinit(void);
extern void dc21285_postinit(void);

#endif /* __ASM_MACH_PCI_H */
Commit	Line	Data
1da177e4	1	/*
4baa9922	2	* arch/arm/include/asm/mach/pci.h
1da177e4 LT	3	*
	4	* Copyright (C) 2000 Russell King
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
52882173 AV	11	#ifndef __ASM_MACH_PCI_H
	12	#define __ASM_MACH_PCI_H
	13
3c5d1699	14	#include <linux/ioport.h>
c2794437	15
1da177e4	16	struct pci_sys_data;
c23bfc38	17	struct pci_ops;
1da177e4	18	struct pci_bus;
14d86e72	19	struct device;
1da177e4 LT	20
1da177e4 LT	21	struct hw_pci {
52882173 AV	22	#ifdef CONFIG_PCI_DOMAINS
	23	int domain;
	24	#endif
c23bfc38	25	struct pci_ops *ops;
1da177e4	26	int nr_controllers;
352af7d4	27	void **private_data;
1da177e4 LT	28	int (setup)(int nr, struct pci_sys_data );
	29	struct pci_bus (scan)(int nr, struct pci_sys_data *);
	30	void (*preinit)(void);
	31	void (*postinit)(void);
	32	u8 (swizzle)(struct pci_dev dev, u8 *pin);
d5341942	33	int (map_irq)(const struct pci_dev dev, u8 slot, u8 pin);
029baf14 TP	34	resource_size_t (align_resource)(struct pci_dev dev,
	35	const struct resource *res,
	36	resource_size_t start,
	37	resource_size_t size,
	38	resource_size_t align);
9d981ea5 TP	39	void (add_bus)(struct pci_bus bus);
9d981ea5 TP	40	void (remove_bus)(struct pci_bus bus);
1da177e4 LT	41	};
	42
	43	/*
	44	* Per-controller structure
	45	*/
	46	struct pci_sys_data {
52882173 AV	47	#ifdef CONFIG_PCI_DOMAINS
	48	int domain;
	49	#endif
1da177e4 LT	50	struct list_head node;
1da177e4 LT	51	int busnr; /* primary bus number */
e31dd6e4	52	u64 mem_offset; /* bus->cpu memory mapping offset */
1da177e4 LT	53	unsigned long io_offset; /* bus->cpu IO mapping offset */
1da177e4 LT	54	struct pci_bus bus; / PCI bus */
37d15909	55	struct list_head resources; /* root bus resources (apertures) */
3c5d1699 RH	56	struct resource io_res;
3c5d1699 RH	57	char io_res_name[12];
1da177e4 LT	58	/* Bridge swizzling */
	59	u8 (swizzle)(struct pci_dev , u8 *);
	60	/* IRQ mapping */
d5341942	61	int (map_irq)(const struct pci_dev , u8, u8);
029baf14 TP	62	/* Resource alignement requirements */
	63	resource_size_t (align_resource)(struct pci_dev dev,
	64	const struct resource *res,
	65	resource_size_t start,
	66	resource_size_t size,
	67	resource_size_t align);
9d981ea5 TP	68	void (add_bus)(struct pci_bus bus);
9d981ea5 TP	69	void (remove_bus)(struct pci_bus bus);
35fe2fc4	70	void private_data; / platform controller private data */
1da177e4 LT	71	};
1da177e4 LT	72
1da177e4 LT	73	/*
	74	* Call this with your hw_pci struct to initialise the PCI system.
	75	*/
14d86e72 LW	76	void pci_common_init_dev(struct device , struct hw_pci );
	77
	78	/*
	79	* Compatibility wrapper for older platforms that do not care about
	80	* passing the parent device.
	81	*/
	82	static inline void pci_common_init(struct hw_pci *hw)
	83	{
	84	pci_common_init_dev(NULL, hw);
	85	}
1da177e4	86
c2794437 RH	87	/*
	88	* Setup early fixed I/O mapping.
	89	*/
	90	#if defined(CONFIG_PCI)
	91	extern void pci_map_io_early(unsigned long pfn);
	92	#else
	93	static inline void pci_map_io_early(unsigned long pfn) {}
	94	#endif
	95
1da177e4 LT	96	/*
	97	* PCI controllers
	98	*/
c23bfc38	99	extern struct pci_ops iop3xx_ops;
0cb015f9	100	extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
0cb015f9	101	extern void iop3xx_pci_preinit(void);
c34002c1	102	extern void iop3xx_pci_preinit_cond(void);
0cb015f9	103
c23bfc38	104	extern struct pci_ops dc21285_ops;
1da177e4	105	extern int dc21285_setup(int nr, struct pci_sys_data *);
1da177e4 LT	106	extern void dc21285_preinit(void);
	107	extern void dc21285_postinit(void);
	108
52882173	109	#endif /* __ASM_MACH_PCI_H */