[linux-2.6-block.git] / include / asm-i386 / pci.h

#ifndef __i386_PCI_H
#define __i386_PCI_H


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

/* 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
extern unsigned int pcibios_assign_all_busses(void);
#else
#define pcibios_assign_all_busses()	0
#endif
#define pcibios_scan_all_fns(a, b)	0

extern unsigned long pci_mem_start;
#define PCIBIOS_MIN_IO		0x1000
#define PCIBIOS_MIN_MEM		(pci_mem_start)

#define PCIBIOS_MIN_CARDBUS_IO	0x4000

void pcibios_config_init(void);
struct pci_bus * pcibios_scan_root(int bus);

void pcibios_set_master(struct pci_dev *dev);
void pcibios_penalize_isa_irq(int irq, int active);
struct irq_routing_table *pcibios_get_irq_routing_table(void);
int pcibios_set_irq_routing(struct pci_dev *dev, int pin, 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 <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)

/* pci_unmap_{page,single} is a nop so... */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
#define pci_unmap_len(PTR, LEN_NAME)		(0)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (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);


#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
					enum pci_dma_burst_strategy *strat,
					unsigned long *strategy_parameter)
{
	*strat = PCI_DMA_BURST_INFINITY;
	*strategy_parameter = ~0UL;
}
#endif

#endif /* __KERNEL__ */

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

/* generic pci stuff */
#include <asm-generic/pci.h>

#endif /* __i386_PCI_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __i386_PCI_H
	2	#define __i386_PCI_H
	3
1da177e4 LT	4
	5	#ifdef __KERNEL__
	6	#include <linux/mm.h> /* for struct page */
	7
	8	/* Can be used to override the logic in pci_scan_bus for skipping
	9	already-configured bus numbers - to be used for buggy BIOSes
	10	or architectures with incomplete PCI setup by the loader */
	11
	12	#ifdef CONFIG_PCI
	13	extern unsigned int pcibios_assign_all_busses(void);
	14	#else
	15	#define pcibios_assign_all_busses() 0
	16	#endif
	17	#define pcibios_scan_all_fns(a, b) 0
	18
	19	extern unsigned long pci_mem_start;
2ba84684	20	#define PCIBIOS_MIN_IO 0x1000
1da177e4 LT	21	#define PCIBIOS_MIN_MEM (pci_mem_start)
1da177e4 LT	22
2ba84684 LT	23	#define PCIBIOS_MIN_CARDBUS_IO 0x4000
2ba84684 LT	24
1da177e4 LT	25	void pcibios_config_init(void);
	26	struct pci_bus * pcibios_scan_root(int bus);
	27
	28	void pcibios_set_master(struct pci_dev *dev);
c9c3e457	29	void pcibios_penalize_isa_irq(int irq, int active);
1da177e4 LT	30	struct irq_routing_table *pcibios_get_irq_routing_table(void);
	31	int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
	32
	33	/* Dynamic DMA mapping stuff.
	34	* i386 has everything mapped statically.
	35	*/
	36
	37	#include <linux/types.h>
	38	#include <linux/slab.h>
	39	#include <asm/scatterlist.h>
	40	#include <linux/string.h>
	41	#include <asm/io.h>
	42
	43	struct pci_dev;
	44
	45	/* The PCI address space does equal the physical memory
	46	* address space. The networking and block device layers use
	47	* this boolean for bounce buffer decisions.
	48	*/
	49	#define PCI_DMA_BUS_IS_PHYS (1)
	50
	51	/* pci_unmap_{page,single} is a nop so... */
	52	#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
	53	#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
	54	#define pci_unmap_addr(PTR, ADDR_NAME) (0)
	55	#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
	56	#define pci_unmap_len(PTR, LEN_NAME) (0)
	57	#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
	58
1da177e4 LT	59	#define HAVE_PCI_MMAP
	60	extern int pci_mmap_page_range(struct pci_dev dev, struct vm_area_struct vma,
	61	enum pci_mmap_state mmap_state, int write_combine);
	62
	63
bb4a61b6	64	#ifdef CONFIG_PCI
e24c2d96 DM	65	static inline void pci_dma_burst_advice(struct pci_dev *pdev,
	66	enum pci_dma_burst_strategy *strat,
	67	unsigned long *strategy_parameter)
	68	{
	69	*strat = PCI_DMA_BURST_INFINITY;
	70	*strategy_parameter = ~0UL;
	71	}
bb4a61b6	72	#endif
e24c2d96	73
1da177e4 LT	74	#endif /* __KERNEL__ */
	75
	76	/* implement the pci_ DMA API in terms of the generic device dma_ one */
	77	#include <asm-generic/pci-dma-compat.h>
	78
	79	/* generic pci stuff */
	80	#include <asm-generic/pci.h>
	81
	82	#endif /* __i386_PCI_H */