[linux-2.6-block.git] / arch / mn10300 / include / asm / pci.h

/* MN10300 PCI definitions
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#ifndef _ASM_PCI_H
#define _ASM_PCI_H

#ifdef __KERNEL__
#include <linux/mm.h>		/* for struct page */

#if 0
#define __pcbdebug(FMT, ADDR, ...) \
	printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \
	       (u32)(ADDR), ##__VA_ARGS__)

#define __pcidebug(FMT, BUS, DEVFN, WHERE,...)		\
do {							\
	printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n",	\
	       (BUS)->number,					\
	       PCI_SLOT(DEVFN),					\
	       PCI_FUNC(DEVFN),					\
	       (u32)(WHERE), ##__VA_ARGS__);			\
} while (0)

#else
#define __pcbdebug(FMT, ADDR, ...)		do {} while (0)
#define __pcidebug(FMT, BUS, DEVFN, WHERE, ...)	do {} while (0)
#endif

/* Can be used to override the logic in pci_scan_bus for skipping
 * already-configured bus numbers - to be used for buggy BIOSes or
 * architectures with incomplete PCI setup by the loader */

#ifdef CONFIG_PCI
#define pcibios_assign_all_busses()	1
extern void unit_pci_init(void);
#else
#define pcibios_assign_all_busses()	0
#endif

extern unsigned long pci_mem_start;
#define PCIBIOS_MIN_IO		0xBE000004
#define PCIBIOS_MIN_MEM		0xB8000000

void pcibios_set_master(struct pci_dev *dev);
void pcibios_penalize_isa_irq(int irq);

/* Dynamic DMA mapping stuff.
 * i386 has everything mapped statically.
 */

#include <linux/types.h>
#include <linux/slab.h>
#include <asm/scatterlist.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <asm/io.h>

struct pci_dev;

/* The PCI address space does equal the physical memory
 * address space.  The networking and block device layers use
 * this boolean for bounce buffer decisions.
 */
#define PCI_DMA_BUS_IS_PHYS	(1)

/* Return the index of the PCI controller for device. */
static inline int pci_controller_num(struct pci_dev *dev)
{
	return 0;
}

#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
			       enum pci_mmap_state mmap_state,
			       int write_combine);

#endif /* __KERNEL__ */

/* implement the pci_ DMA API in terms of the generic device dma_ one */
#include <asm-generic/pci-dma-compat.h>

/**
 * pcibios_resource_to_bus - convert resource to PCI bus address
 * @dev: device which owns this resource
 * @region: converted bus-centric region (start,end)
 * @res: resource to convert
 *
 * Convert a resource to a PCI device bus address or bus window.
 */
extern void pcibios_resource_to_bus(struct pci_dev *dev,
				    struct pci_bus_region *region,
				    struct resource *res);

extern void pcibios_bus_to_resource(struct pci_dev *dev,
				    struct resource *res,
				    struct pci_bus_region *region);

#define pcibios_scan_all_fns(a, b)	0

static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
	return channel ? 15 : 14;
}

#endif /* _ASM_PCI_H */
Commit	Line	Data
b920de1b DH	1	/* MN10300 PCI definitions
	2	*
	3	* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
	4	* Written by David Howells (dhowells@redhat.com)
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public Licence
	8	* as published by the Free Software Foundation; either version
	9	* 2 of the Licence, or (at your option) any later version.
	10	*/
	11	#ifndef _ASM_PCI_H
	12	#define _ASM_PCI_H
	13
	14	#ifdef __KERNEL__
	15	#include <linux/mm.h> /* for struct page */
	16
	17	#if 0
	18	#define __pcbdebug(FMT, ADDR, ...) \
	19	printk(KERN_DEBUG "PCIBRIDGE[%08x]: "FMT"\n", \
	20	(u32)(ADDR), ##__VA_ARGS__)
	21
	22	#define __pcidebug(FMT, BUS, DEVFN, WHERE,...) \
	23	do { \
	24	printk(KERN_DEBUG "PCI[%02x:%02x.%x + %02x]: "FMT"\n", \
	25	(BUS)->number, \
	26	PCI_SLOT(DEVFN), \
	27	PCI_FUNC(DEVFN), \
	28	(u32)(WHERE), ##__VA_ARGS__); \
	29	} while (0)
	30
	31	#else
	32	#define __pcbdebug(FMT, ADDR, ...) do {} while (0)
	33	#define __pcidebug(FMT, BUS, DEVFN, WHERE, ...) do {} while (0)
	34	#endif
	35
	36	/* Can be used to override the logic in pci_scan_bus for skipping
	37	* already-configured bus numbers - to be used for buggy BIOSes or
	38	* architectures with incomplete PCI setup by the loader */
	39
	40	#ifdef CONFIG_PCI
	41	#define pcibios_assign_all_busses() 1
	42	extern void unit_pci_init(void);
	43	#else
	44	#define pcibios_assign_all_busses() 0
	45	#endif
	46
	47	extern unsigned long pci_mem_start;
	48	#define PCIBIOS_MIN_IO 0xBE000004
	49	#define PCIBIOS_MIN_MEM 0xB8000000
	50
	51	void pcibios_set_master(struct pci_dev *dev);
	52	void pcibios_penalize_isa_irq(int irq);
	53
	54	/* Dynamic DMA mapping stuff.
	55	* i386 has everything mapped statically.
	56	*/
	57
	58	#include <linux/types.h>
	59	#include <linux/slab.h>
	60	#include <asm/scatterlist.h>
	61	#include <linux/string.h>
	62	#include <linux/mm.h>
	63	#include <asm/io.h>
	64
65	struct pci_dev;
66
67	/* The PCI address space does equal the physical memory
68	* address space. The networking and block device layers use
69	* this boolean for bounce buffer decisions.
70	*/
71	#define PCI_DMA_BUS_IS_PHYS (1)
72
b920de1b DH	73	/* Return the index of the PCI controller for device. */
	74	static inline int pci_controller_num(struct pci_dev *dev)
	75	{
	76	return 0;
	77	}
	78
	79	#define HAVE_PCI_MMAP
	80	extern int pci_mmap_page_range(struct pci_dev dev, struct vm_area_struct vma,
	81	enum pci_mmap_state mmap_state,
	82	int write_combine);
	83
	84	#endif /* __KERNEL__ */
	85
	86	/* implement the pci_ DMA API in terms of the generic device dma_ one */
	87	#include <asm-generic/pci-dma-compat.h>
	88
	89	/**
	90	* pcibios_resource_to_bus - convert resource to PCI bus address
	91	* @dev: device which owns this resource
	92	* @region: converted bus-centric region (start,end)
	93	* @res: resource to convert
	94	*
	95	* Convert a resource to a PCI device bus address or bus window.
	96	*/
	97	extern void pcibios_resource_to_bus(struct pci_dev *dev,
	98	struct pci_bus_region *region,
	99	struct resource *res);
	100
	101	extern void pcibios_bus_to_resource(struct pci_dev *dev,
	102	struct resource *res,
	103	struct pci_bus_region *region);
	104
b920de1b DH	105	#define pcibios_scan_all_fns(a, b) 0
b920de1b DH	106
b75aa122 BZ	107	static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
	108	{
	109	return channel ? 15 : 14;
	110	}
	111
b920de1b	112	#endif /* _ASM_PCI_H */