NetBSD-5.0.2/sys/arch/powerpc/include/pci_machdep.h
/* $NetBSD: pci_machdep.h,v 1.8 2008/04/28 20:23:32 martin Exp $ */
/*-
* Copyright (c) 2002,2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein and Tim Rightnour
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PCI_MACHDEP_H_
#define _PCI_MACHDEP_H_
#include <prop/proplib.h>
/*
* Machine-specific definitions for PCI autoconfiguration.
*/
#define __HAVE_PCI_CONF_HOOK
/*
* Types provided to machine-independent PCI code
*/
typedef struct genppc_pci_chipset *pci_chipset_tag_t;
typedef int pcitag_t;
typedef int pci_intr_handle_t;
extern struct powerpc_bus_dma_tag pci_bus_dma_tag;
/*
* Forward declarations.
*/
struct pci_attach_args;
/* Per bus information structure */
struct genppc_pci_chipset_businfo {
SIMPLEQ_ENTRY(genppc_pci_chipset_businfo) next;
prop_dictionary_t pbi_properties; /* chipset properties */
};
/*
* Generic PPC PCI structure and type definitions.
* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
*/
struct genppc_pci_chipset {
void *pc_conf_v;
void (*pc_attach_hook)(struct device *,
struct device *, struct pcibus_attach_args *);
int (*pc_bus_maxdevs)(pci_chipset_tag_t, int);
pcitag_t (*pc_make_tag)(void *, int, int, int);
pcireg_t (*pc_conf_read)(void *, pcitag_t, int);
void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
void *pc_intr_v;
int (*pc_intr_map)(struct pci_attach_args *,
pci_intr_handle_t *);
const char *(*pc_intr_string)(void *, pci_intr_handle_t);
const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t);
void *(*pc_intr_establish)(void *, pci_intr_handle_t,
int, int (*)(void *), void *);
void (*pc_intr_disestablish)(void *, void *);
void (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int,
int, int *);
void (*pc_decompose_tag)(void *, pcitag_t, int *,
int *, int *);
int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int,
pcireg_t);
u_int32_t *pc_addr;
u_int32_t *pc_data;
int pc_node;
int pc_ihandle;
int pc_bus;
bus_space_tag_t pc_memt;
bus_space_tag_t pc_iot;
SIMPLEQ_HEAD(, genppc_pci_chipset_businfo) pc_pbi;
};
/*
* Functions provided to machine-independent PCI code.
*/
#define pci_attach_hook(p, s, pba) \
(*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
#define pci_bus_maxdevs(c, b) \
(*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
#define pci_make_tag(c, b, d, f) \
(*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
#define pci_conf_read(c, t, r) \
(*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
#define pci_conf_write(c, t, r, v) \
(*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
#define pci_intr_map(pa, ihp) \
(*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
#define pci_intr_string(c, ih) \
(*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
#define pci_intr_evcnt(c, ih) \
(*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih))
#define pci_intr_establish(c, ih, l, h, a) \
(*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
#define pci_intr_disestablish(c, iv) \
(*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
#define pci_conf_interrupt(c, b, d, p, s, ip) \
(*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip))
#define pci_decompose_tag(c, t, bp, dp, fp) \
(*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
#define pci_conf_hook(c, b, d, f, i) \
(*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i))
#ifdef _KERNEL
/*
* Generic PowerPC PCI functions. Override if necc.
*/
int genppc_pci_bus_maxdevs(pci_chipset_tag_t, int);
const char *genppc_pci_intr_string(void *, pci_intr_handle_t);
const struct evcnt *genppc_pci_intr_evcnt(void *, pci_intr_handle_t);
void *genppc_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *),
void *);
void genppc_pci_intr_disestablish(void *, void *);
void genppc_pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *);
int genppc_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t);
int genppc_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp);
/* generic indirect PCI functions */
void genppc_pci_indirect_attach_hook(struct device *, struct device *,
struct pcibus_attach_args *);
pcitag_t genppc_pci_indirect_make_tag(void *, int, int, int);
pcireg_t genppc_pci_indirect_conf_read(void *, pcitag_t, int);
void genppc_pci_indirect_conf_write(void *, pcitag_t, int, pcireg_t);
void genppc_pci_indirect_decompose_tag(void *, pcitag_t, int *, int *, int *);
/* generic OFW method PCI functions */
void genppc_pci_ofmethod_attach_hook(struct device *, struct device *,
struct pcibus_attach_args *);
pcitag_t genppc_pci_ofmethod_make_tag(void *, int, int, int);
pcireg_t genppc_pci_ofmethod_conf_read(void *, pcitag_t, int);
void genppc_pci_ofmethod_conf_write(void *, pcitag_t, int, pcireg_t);
void genppc_pci_ofmethod_decompose_tag(void *, pcitag_t, int *, int *, int *);
/* Generic OFW PCI functions */
int genofw_find_picnode(int);
void genofw_find_ofpics(int);
void genofw_fixup_picnode_offsets(void);
void genofw_setup_pciintr_map(void *, struct genppc_pci_chipset_businfo *, int);
int genofw_find_node_by_devfunc(int, int, int, int);
int genofw_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
int genofw_pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t);
/* OFW PCI structures and defines */
#define PICNODE_TYPE_OPENPIC 1
#define PICNODE_TYPE_8259 2
#define PICNODE_TYPE_HEATHROW 3
#define PICNODE_TYPE_OHARE 4
#define PICNODE_TYPE_IVR 5
typedef struct _ofw_pic_node_t {
int node;
int parent;
int16_t cells;
int16_t intrs;
int16_t offset;
int16_t type;
} ofw_pic_node_t;
#endif /* _KERNEL */
#endif /* _PCI_MACHDEP_H_ */