[deliverable/linux.git] / include / asm-sparc64 / ebus.h

/* $Id: ebus.h,v 1.10 2001/03/14 05:00:55 davem Exp $
 * ebus.h: PCI to Ebus pseudo driver software state.
 *
 * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
 */

#ifndef __SPARC64_EBUS_H
#define __SPARC64_EBUS_H

#include <asm/pbm.h>
#include <asm/oplib.h>
#include <asm/prom.h>

struct linux_ebus_child {
	struct linux_ebus_child		*next;
	struct linux_ebus_device	*parent;
	struct linux_ebus		*bus;
	struct device_node		*prom_node;
	struct resource			 resource[PROMREG_MAX];
	int				 num_addrs;
	unsigned int			 irqs[PROMINTR_MAX];
	int				 num_irqs;
};

struct linux_ebus_device {
	struct linux_ebus_device	*next;
	struct linux_ebus_child		*children;
	struct linux_ebus		*bus;
	struct device_node		*prom_node;
	struct resource			 resource[PROMREG_MAX];
	int				 num_addrs;
	unsigned int			 irqs[PROMINTR_MAX];
	int				 num_irqs;
};

struct linux_ebus {
	struct linux_ebus		*next;
	struct linux_ebus_device	*devices;
	struct pci_pbm_info		*parent;
	struct pci_dev			*self;
	int				 index;
	int				 is_rio;
	struct device_node		*prom_node;
	struct linux_prom_ebus_ranges	 ebus_ranges[PROMREG_MAX];
	int				 num_ebus_ranges;
	struct linux_prom_ebus_intmap	 ebus_intmap[PROMREG_MAX];
	int				 num_ebus_intmap;
	struct linux_prom_ebus_intmask	 ebus_intmask;
};

struct ebus_dma_info {
	spinlock_t	lock;
	void __iomem	*regs;

	unsigned int	flags;
#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER		0x00000001
#define EBUS_DMA_FLAG_TCI_DISABLE		0x00000002

	/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
	 * set.
	 */
	void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
	void *client_cookie;
	unsigned int	irq;
#define EBUS_DMA_EVENT_ERROR	1
#define EBUS_DMA_EVENT_DMA	2
#define EBUS_DMA_EVENT_DEVICE	4

	unsigned char	name[64];
};

extern int ebus_dma_register(struct ebus_dma_info *p);
extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
extern void ebus_dma_unregister(struct ebus_dma_info *p);
extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
			    size_t len);
extern void ebus_dma_prepare(struct ebus_dma_info *p, int write);
extern unsigned int ebus_dma_residue(struct ebus_dma_info *p);
extern unsigned int ebus_dma_addr(struct ebus_dma_info *p);
extern void ebus_dma_enable(struct ebus_dma_info *p, int on);

extern struct linux_ebus		*ebus_chain;

extern void ebus_init(void);

#define for_each_ebus(bus)						\
        for((bus) = ebus_chain; (bus); (bus) = (bus)->next)

#define for_each_ebusdev(dev, bus)					\
        for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)

#define for_each_edevchild(dev, child)					\
        for((child) = (dev)->children; (child); (child) = (child)->next)

#endif /* !(__SPARC64_EBUS_H) */
Commit	Line	Data
1da177e4 LT	1	/* $Id: ebus.h,v 1.10 2001/03/14 05:00:55 davem Exp $
	2	* ebus.h: PCI to Ebus pseudo driver software state.
	3	*
	4	* Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be)
	5	* Copyright (C) 1999 David S. Miller (davem@redhat.com)
	6	*/
	7
	8	#ifndef __SPARC64_EBUS_H
	9	#define __SPARC64_EBUS_H
	10
	11	#include <asm/pbm.h>
	12	#include <asm/oplib.h>
690c8fd3	13	#include <asm/prom.h>
1da177e4 LT	14
	15	struct linux_ebus_child {
	16	struct linux_ebus_child *next;
	17	struct linux_ebus_device *parent;
	18	struct linux_ebus *bus;
690c8fd3	19	struct device_node *prom_node;
1da177e4 LT	20	struct resource resource[PROMREG_MAX];
	21	int num_addrs;
	22	unsigned int irqs[PROMINTR_MAX];
	23	int num_irqs;
	24	};
	25
	26	struct linux_ebus_device {
	27	struct linux_ebus_device *next;
	28	struct linux_ebus_child *children;
	29	struct linux_ebus *bus;
690c8fd3	30	struct device_node *prom_node;
1da177e4 LT	31	struct resource resource[PROMREG_MAX];
	32	int num_addrs;
	33	unsigned int irqs[PROMINTR_MAX];
	34	int num_irqs;
	35	};
	36
	37	struct linux_ebus {
	38	struct linux_ebus *next;
	39	struct linux_ebus_device *devices;
	40	struct pci_pbm_info *parent;
	41	struct pci_dev *self;
	42	int index;
	43	int is_rio;
690c8fd3	44	struct device_node *prom_node;
1da177e4 LT	45	struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX];
	46	int num_ebus_ranges;
	47	struct linux_prom_ebus_intmap ebus_intmap[PROMREG_MAX];
	48	int num_ebus_intmap;
	49	struct linux_prom_ebus_intmask ebus_intmask;
	50	};
	51
	52	struct ebus_dma_info {
	53	spinlock_t lock;
	54	void __iomem *regs;
	55
	56	unsigned int flags;
	57	#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001
	58	#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002
	59
	60	/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
	61	* set.
	62	*/
	63	void (callback)(struct ebus_dma_info p, int event, void *cookie);
	64	void *client_cookie;
	65	unsigned int irq;
	66	#define EBUS_DMA_EVENT_ERROR 1
	67	#define EBUS_DMA_EVENT_DMA 2
	68	#define EBUS_DMA_EVENT_DEVICE 4
	69
	70	unsigned char name[64];
	71	};
	72
	73	extern int ebus_dma_register(struct ebus_dma_info *p);
	74	extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
	75	extern void ebus_dma_unregister(struct ebus_dma_info *p);
	76	extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
	77	size_t len);
	78	extern void ebus_dma_prepare(struct ebus_dma_info *p, int write);
	79	extern unsigned int ebus_dma_residue(struct ebus_dma_info *p);
b128254f	80	extern unsigned int ebus_dma_addr(struct ebus_dma_info *p);
1da177e4 LT	81	extern void ebus_dma_enable(struct ebus_dma_info *p, int on);
	82
	83	extern struct linux_ebus *ebus_chain;
	84
	85	extern void ebus_init(void);
	86
	87	#define for_each_ebus(bus) \
	88	for((bus) = ebus_chain; (bus); (bus) = (bus)->next)
	89
	90	#define for_each_ebusdev(dev, bus) \
	91	for((dev) = (bus)->devices; (dev); (dev) = (dev)->next)
	92
	93	#define for_each_edevchild(dev, child) \
	94	for((child) = (dev)->children; (child); (child) = (child)->next)
	95
	96	#endif /* !(__SPARC64_EBUS_H) */