[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 {
	struct msi_controller *msi_ctrl;
	struct pci_ops	*ops;
	int		nr_controllers;
	unsigned int	io_optional:1;
	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);
};

/*
 * Per-controller structure
 */
struct pci_sys_data {
	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);
	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 {
49dcc01a	22	struct msi_controller *msi_ctrl;
c23bfc38	23	struct pci_ops *ops;
1da177e4	24	int nr_controllers;
1fa05101	25	unsigned int io_optional:1;
352af7d4	26	void **private_data;
1da177e4 LT	27	int (setup)(int nr, struct pci_sys_data );
	28	struct pci_bus (scan)(int nr, struct pci_sys_data *);
	29	void (*preinit)(void);
	30	void (*postinit)(void);
	31	u8 (swizzle)(struct pci_dev dev, u8 *pin);
d5341942	32	int (map_irq)(const struct pci_dev dev, u8 slot, u8 pin);
029baf14 TP	33	resource_size_t (align_resource)(struct pci_dev dev,
	34	const struct resource *res,
	35	resource_size_t start,
	36	resource_size_t size,
	37	resource_size_t align);
1da177e4 LT	38	};
	39
	40	/*
	41	* Per-controller structure
	42	*/
	43	struct pci_sys_data {
	44	struct list_head node;
	45	int busnr; /* primary bus number */
e31dd6e4	46	u64 mem_offset; /* bus->cpu memory mapping offset */
1da177e4 LT	47	unsigned long io_offset; /* bus->cpu IO mapping offset */
1da177e4 LT	48	struct pci_bus bus; / PCI bus */
37d15909	49	struct list_head resources; /* root bus resources (apertures) */
3c5d1699 RH	50	struct resource io_res;
3c5d1699 RH	51	char io_res_name[12];
1da177e4 LT	52	/* Bridge swizzling */
	53	u8 (swizzle)(struct pci_dev , u8 *);
	54	/* IRQ mapping */
d5341942	55	int (map_irq)(const struct pci_dev , u8, u8);
35fe2fc4	56	void private_data; / platform controller private data */
1da177e4 LT	57	};
1da177e4 LT	58
1da177e4 LT	59	/*
	60	* Call this with your hw_pci struct to initialise the PCI system.
	61	*/
14d86e72 LW	62	void pci_common_init_dev(struct device , struct hw_pci );
	63
	64	/*
	65	* Compatibility wrapper for older platforms that do not care about
	66	* passing the parent device.
	67	*/
	68	static inline void pci_common_init(struct hw_pci *hw)
	69	{
	70	pci_common_init_dev(NULL, hw);
	71	}
1da177e4	72
c2794437 RH	73	/*
	74	* Setup early fixed I/O mapping.
	75	*/
	76	#if defined(CONFIG_PCI)
	77	extern void pci_map_io_early(unsigned long pfn);
	78	#else
	79	static inline void pci_map_io_early(unsigned long pfn) {}
	80	#endif
	81
1da177e4 LT	82	/*
	83	* PCI controllers
	84	*/
c23bfc38	85	extern struct pci_ops iop3xx_ops;
0cb015f9	86	extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
0cb015f9	87	extern void iop3xx_pci_preinit(void);
c34002c1	88	extern void iop3xx_pci_preinit_cond(void);
0cb015f9	89
c23bfc38	90	extern struct pci_ops dc21285_ops;
1da177e4	91	extern int dc21285_setup(int nr, struct pci_sys_data *);
1da177e4 LT	92	extern void dc21285_preinit(void);
	93	extern void dc21285_postinit(void);
	94
52882173	95	#endif /* __ASM_MACH_PCI_H */