[deliverable/linux.git] / include / asm-mn10300 / 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)


/* This is always fine. */
#define pci_dac_dma_supported(pci_dev, mask)	(0)

/*
 * These macros should be used after a pci_map_sg call has been done
 * to get bus addresses of each of the SG entries and their lengths.
 * You should only work with the number of sg entries pci_map_sg
 * returns.
 */
#define sg_dma_address(sg)	((sg)->dma_address)
#define sg_dma_len(sg)		((sg)->length)

/* 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);

static inline struct resource *
pcibios_select_root(struct pci_dev *pdev, struct resource *res)
{
	struct resource *root = NULL;

	if (res->flags & IORESOURCE_IO)
		root = &ioport_resource;
	if (res->flags & IORESOURCE_MEM)
		root = &iomem_resource;

	return root;
}

#define pcibios_scan_all_fns(a, b)	0

#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
73
74	/* This is always fine. */
75	#define pci_dac_dma_supported(pci_dev, mask) (0)
76
77	/*
78	* These macros should be used after a pci_map_sg call has been done
79	* to get bus addresses of each of the SG entries and their lengths.
80	* You should only work with the number of sg entries pci_map_sg
81	* returns.
82	*/
83	#define sg_dma_address(sg) ((sg)->dma_address)
84	#define sg_dma_len(sg) ((sg)->length)
85
86	/* Return the index of the PCI controller for device. */
87	static inline int pci_controller_num(struct pci_dev *dev)
88	{
89	return 0;
90	}
91
92	#define HAVE_PCI_MMAP
93	extern int pci_mmap_page_range(struct pci_dev dev, struct vm_area_struct vma,
94	enum pci_mmap_state mmap_state,
95	int write_combine);
96
97	#endif /* __KERNEL__ */
98
99	/* implement the pci_ DMA API in terms of the generic device dma_ one */
100	#include <asm-generic/pci-dma-compat.h>
101
102	/**
103	* pcibios_resource_to_bus - convert resource to PCI bus address
104	* @dev: device which owns this resource
105	* @region: converted bus-centric region (start,end)
106	* @res: resource to convert
107	*
108	* Convert a resource to a PCI device bus address or bus window.
109	*/
110	extern void pcibios_resource_to_bus(struct pci_dev *dev,
111	struct pci_bus_region *region,
112	struct resource *res);
113
114	extern void pcibios_bus_to_resource(struct pci_dev *dev,
115	struct resource *res,
116	struct pci_bus_region *region);
117
118	static inline struct resource *
119	pcibios_select_root(struct pci_dev pdev, struct resource res)
120	{
121	struct resource *root = NULL;
122
123	if (res->flags & IORESOURCE_IO)
124	root = &ioport_resource;
125	if (res->flags & IORESOURCE_MEM)
126	root = &iomem_resource;
127
128	return root;
129	}
130
131	#define pcibios_scan_all_fns(a, b) 0
132
133	#endif /* _ASM_PCI_H */