437 lines
14 KiB
C
437 lines
14 KiB
C
/* $NetBSD: pci_machdep.h,v 1.13 2014/03/29 19:28:29 christos Exp $ */
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/*-
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* Copyright (c) 2002,2007 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein and Tim Rightnour
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PCI_MACHDEP_H_
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#define _PCI_MACHDEP_H_
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#include <prop/proplib.h>
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/*
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* Machine-specific definitions for PCI autoconfiguration.
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*/
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#define __HAVE_PCI_CONF_HOOK
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/*
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* Types provided to machine-independent PCI code
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*/
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typedef struct genppc_pci_chipset *pci_chipset_tag_t;
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typedef void *pci_msi_handle_t;
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typedef int pcitag_t;
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typedef int pci_intr_handle_t;
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/*
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* Forward declarations.
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*/
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struct pci_attach_args;
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struct pcibus_attach_args;
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static inline pci_chipset_tag_t pcibus_attach_args_pc(
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struct pcibus_attach_args *);
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static inline pci_chipset_tag_t pci_attach_args_pc(
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const struct pci_attach_args *);
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#include <dev/pci/pcireg.h>
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#ifdef _KERNEL
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extern struct powerpc_bus_dma_tag pci_bus_dma_tag;
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#endif
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#if defined(_KERNEL) && (defined(_MODULE) || defined(__PCI_NOINLINE))
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void pci_attach_hook(device_t, device_t,
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struct pcibus_attach_args *);
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int pci_bus_maxdevs(pci_chipset_tag_t, int);
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pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
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pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
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void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
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void pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
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int *, int *, int *);
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const char * pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t,
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char *, size_t);
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const struct evcnt *
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pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
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void * pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
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int, int (*)(void *), void *);
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void pci_intr_disestablish(pci_chipset_tag_t, void *);
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int pci_intr_map(const struct pci_attach_args *,
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pci_intr_handle_t *ihp);
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int pci_intr_setattr(pci_chipset_tag_t, pci_intr_handle_t *,
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int, uint64_t);
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int pci_msi_request(const struct pci_attach_args *,
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pci_msi_handle_t *, size_t, int, int);
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int pci_msi_type(pci_chipset_tag_t, pci_msi_handle_t);
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size_t pci_msi_available(pci_chipset_tag_t, pci_msi_handle_t);
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const char * pci_msi_string(pci_chipset_tag_t, pci_msi_handle_t, size_t);
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const struct evcnt *
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pci_msi_evcnt(pci_chipset_tag_t, pci_msi_handle_t, size_t);
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void * pci_msi_establish(pci_chipset_tag_t, pci_msi_handle_t, size_t,
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int, int (*)(void *), void *);
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void * pci_msix_establish(pci_chipset_tag_t, pci_msi_handle_t, size_t,
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size_t, int, int (*)(void *), void *);
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void pci_msi_disestablish(pci_chipset_tag_t, void *);
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void pci_msi_free(pci_chipset_tag_t, pci_msi_handle_t, size_t);
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void pci_msi_release(pci_chipset_tag_t, pci_msi_handle_t);
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void pci_conf_interrupt(pci_chipset_tag_t, int, int, int,
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int, int *);
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int pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t);
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#endif /* _KERNEL && (_MODULE || __PCI_NOINLINE) */
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/* Per bus information structure */
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struct genppc_pci_chipset_businfo {
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SIMPLEQ_ENTRY(genppc_pci_chipset_businfo) next;
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prop_dictionary_t pbi_properties; /* chipset properties */
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};
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#if !defined(_MODULE)
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/*
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* Generic PPC PCI structure and type definitions.
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* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
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*/
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struct genppc_pci_chipset {
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void *pc_conf_v;
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void (*pc_attach_hook)(device_t, device_t,
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struct pcibus_attach_args *);
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int (*pc_bus_maxdevs)(void *, int);
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pcitag_t (*pc_make_tag)(void *, int, int, int);
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pcireg_t (*pc_conf_read)(void *, pcitag_t, int);
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void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
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void *pc_intr_v;
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int (*pc_intr_map)(const struct pci_attach_args *,
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pci_intr_handle_t *);
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const char *(*pc_intr_string)(void *, pci_intr_handle_t, char *,
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size_t);
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const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t);
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void *(*pc_intr_establish)(void *, pci_intr_handle_t,
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int, int (*)(void *), void *);
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void (*pc_intr_disestablish)(void *, void *);
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int (*pc_intr_setattr)(void *, pci_intr_handle_t *,
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int, uint64_t);
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void *pc_msi_v;
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int (*pc_msi_request)(const struct pci_attach_args *,
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pci_msi_handle_t *, size_t, int, int);
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int (*pc_msi_type)(void *, pci_msi_handle_t);
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size_t (*pc_msi_available)(void *, pci_msi_handle_t);
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const char * (*pc_msi_string)(void *, pci_msi_handle_t, size_t);
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const struct evcnt *
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(*pc_msi_evcnt)(void *, pci_msi_handle_t, size_t);
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void * (*pc_msi_establish)(void *, pci_msi_handle_t, size_t,
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int, int (*)(void *), void *);
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void * (*pc_msix_establish)(void *, pci_msi_handle_t, size_t,
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size_t, int, int (*)(void *), void *);
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void (*pc_msi_disestablish)(void *, void *);
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void (*pc_msi_free)(void *, pci_msi_handle_t, size_t);
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void (*pc_msi_release)(void *, pci_msi_handle_t);
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void (*pc_conf_interrupt)(void *, int, int, int, int, int *);
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void (*pc_decompose_tag)(void *, pcitag_t, int *,
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int *, int *);
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int (*pc_conf_hook)(void *, int, int, int, pcireg_t);
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uint32_t *pc_addr;
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uint32_t *pc_data;
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int pc_node;
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int pc_ihandle;
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int pc_bus;
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bus_space_tag_t pc_memt;
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bus_space_tag_t pc_iot;
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SIMPLEQ_HEAD(, genppc_pci_chipset_businfo) pc_pbi;
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};
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#ifdef _KERNEL
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#ifdef __PCI_NOINLINE
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#define __pci_inline
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#else
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#define __pci_inline static inline
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#endif
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/*
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* Functions provided to machine-independent PCI code.
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*/
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__pci_inline void
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pci_attach_hook(device_t parent, device_t self, struct pcibus_attach_args *pba)
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{
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(*pcibus_attach_args_pc(pba)->pc_attach_hook)(parent, self, pba);
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}
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__pci_inline int
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pci_bus_maxdevs(pci_chipset_tag_t pc, int busno)
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{
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return (*pc->pc_bus_maxdevs)(pc->pc_conf_v, busno);
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}
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__pci_inline pcitag_t
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pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function)
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{
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return (*pc->pc_make_tag)(pc->pc_conf_v, bus, device, function);
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}
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__pci_inline pcireg_t
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pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
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{
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return (*pc->pc_conf_read)(pc->pc_conf_v, tag, reg);
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}
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__pci_inline void
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pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t val)
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{
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(*pc->pc_conf_write)(pc->pc_conf_v, tag, reg, val);
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}
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__pci_inline void
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pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, int *dp, int *fp)
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{
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(*pc->pc_decompose_tag)(pc->pc_conf_v, tag, bp, dp, fp);
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}
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__pci_inline int
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pci_intr_map(const struct pci_attach_args *pa, pci_intr_handle_t *ihp)
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{
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return (*pci_attach_args_pc(pa)->pc_intr_map)(pa, ihp);
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}
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__pci_inline const char *
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pci_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih, char * buf,
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size_t len)
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{
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return (*pc->pc_intr_string)(pc->pc_intr_v, ih, buf, len);
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}
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__pci_inline const struct evcnt *
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pci_intr_evcnt(pci_chipset_tag_t pc, pci_intr_handle_t ih)
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{
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return (*pc->pc_intr_evcnt)(pc->pc_intr_v, ih);
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}
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__pci_inline void *
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pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int ipl,
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int (*handler)(void *), void *arg)
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{
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return (*pc->pc_intr_establish)(pc->pc_intr_v, ih, ipl, handler, arg);
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}
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__pci_inline void
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pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie)
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{
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(*pc->pc_intr_disestablish)(pc->pc_intr_v, cookie);
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}
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__pci_inline int
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pci_intr_setattr(pci_chipset_tag_t pc, pci_intr_handle_t *ihp, int attr,
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uint64_t data)
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{
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return (*pc->pc_intr_setattr)(pc->pc_intr_v, ihp, attr, data);
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}
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__pci_inline void
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pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int device, int pin,
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int swiz, int *iline)
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{
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(*pc->pc_conf_interrupt)(pc->pc_conf_v, bus, device, pin, swiz, iline);
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}
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__pci_inline int
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pci_conf_hook(pci_chipset_tag_t pc, int bus, int device, int function,
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pcireg_t id)
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{
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return (*pc->pc_conf_hook)(pc->pc_conf_v, bus, device, function, id);
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}
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__pci_inline int
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pci_msi_request(const struct pci_attach_args *pa, pci_msi_handle_t *msihp,
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size_t nmsi, int ipl, int capid)
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{
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return (*pci_attach_args_pc(pa)->pc_msi_request)(pa, msihp, nmsi,
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ipl, capid);
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}
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__pci_inline int
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pci_msi_type(pci_chipset_tag_t pc, pci_msi_handle_t msih)
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{
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return (*pc->pc_msi_type)(pc->pc_msi_v, msih);
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}
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__pci_inline size_t
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pci_msi_available(pci_chipset_tag_t pc, pci_msi_handle_t msih)
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{
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return (*pc->pc_msi_available)(pc->pc_msi_v, msih);
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}
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__pci_inline const char *
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pci_msi_string(pci_chipset_tag_t pc, pci_msi_handle_t msih, size_t msirq)
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{
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return (*pc->pc_msi_string)(pc->pc_msi_v, msih, msirq);
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}
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__pci_inline const struct evcnt *
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pci_msi_evcnt(pci_chipset_tag_t pc, pci_msi_handle_t msih, size_t msirq)
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{
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return (*pc->pc_msi_evcnt)(pc->pc_msi_v, msih, msirq);
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}
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__pci_inline void *
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pci_msi_establish(pci_chipset_tag_t pc, pci_msi_handle_t msih, size_t msirq,
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int ipl, int (*func)(void *), void *arg)
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{
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return (*pc->pc_msi_establish)(pc->pc_msi_v, msih, msirq, ipl,
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func, arg);
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}
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__pci_inline void *
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pci_msix_establish(pci_chipset_tag_t pc, pci_msi_handle_t msih, size_t vec,
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size_t msirq, int ipl, int (*func)(void *), void *arg)
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{
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return (*pc->pc_msix_establish)(pc->pc_msi_v, msih, vec, msirq, ipl,
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func, arg);
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}
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__pci_inline void
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pci_msi_disestablish(pci_chipset_tag_t pc, void *ih)
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{
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(*pc->pc_msi_disestablish)(pc->pc_msi_v, ih);
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}
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__pci_inline void
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pci_msi_free(pci_chipset_tag_t pc, pci_msi_handle_t msih, size_t msirq)
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{
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(*pc->pc_msi_free)(pc->pc_msi_v, msih, msirq);
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}
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__pci_inline void
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pci_msi_release(pci_chipset_tag_t pc, pci_msi_handle_t msih)
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{
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(*pc->pc_msi_release)(pc->pc_msi_v, msih);
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}
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#undef __pci_inline
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/*
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* Generic PowerPC PCI functions. Override if necc.
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*/
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int genppc_pci_bus_maxdevs(void *, int);
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int genppc_pci_intr_map(const struct pci_attach_args *,
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pci_intr_handle_t *);
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const char *genppc_pci_intr_string(void *, pci_intr_handle_t, char *, size_t);
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const struct evcnt *genppc_pci_intr_evcnt(void *, pci_intr_handle_t);
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void *genppc_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *),
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void *);
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void genppc_pci_intr_disestablish(void *, void *);
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int genppc_pci_intr_setattr(void *, pci_intr_handle_t *, int, uint64_t);
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int genppc_pci_msi_request(const struct pci_attach_args *, pci_msi_handle_t *,
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size_t, int, int);
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int genppc_pci_msi_type(void *, pci_msi_handle_t);
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size_t genppc_pci_msi_available(void *, pci_msi_handle_t);
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const struct evcnt *genppc_pci_msi_evcnt(void *, pci_msi_handle_t, size_t);
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const char *genppc_pci_msi_string(void *, pci_msi_handle_t, size_t);
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void *genppc_pci_msi_establish(void *, pci_msi_handle_t, size_t,
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int, int (*)(void *), void *);
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void *genppc_pci_msix_establish(void *, pci_msi_handle_t, size_t,
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size_t, int, int (*)(void *), void *);
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void genppc_pci_msi_disestablish(void *, void *);
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void genppc_pci_msi_free(void *, pci_msi_handle_t, size_t);
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void genppc_pci_msi_release(void *, pci_msi_handle_t);
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void genppc_pci_chipset_msi_init(pci_chipset_tag_t);
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#define GENPPC_PCI_MSI_INITIALIZER \
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.pc_msi_request = genppc_pci_msi_request, \
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.pc_msi_type = genppc_pci_msi_type, \
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.pc_msi_available = genppc_pci_msi_available, \
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.pc_msi_evcnt = genppc_pci_msi_evcnt, \
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.pc_msi_string = genppc_pci_msi_string, \
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.pc_msi_establish = genppc_pci_msi_establish, \
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.pc_msix_establish = genppc_pci_msix_establish, \
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.pc_msi_disestablish = genppc_pci_msi_disestablish, \
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.pc_msi_free = genppc_pci_msi_free, \
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.pc_msi_release = genppc_pci_msi_release
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void genppc_pci_conf_interrupt(void *, int, int, int, int, int *);
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int genppc_pci_conf_hook(void *, int, int, int, pcireg_t);
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/* generic indirect PCI functions */
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void genppc_pci_indirect_attach_hook(device_t, device_t,
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struct pcibus_attach_args *);
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pcitag_t genppc_pci_indirect_make_tag(void *, int, int, int);
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pcireg_t genppc_pci_indirect_conf_read(void *, pcitag_t, int);
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void genppc_pci_indirect_conf_write(void *, pcitag_t, int, pcireg_t);
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void genppc_pci_indirect_decompose_tag(void *, pcitag_t, int *, int *, int *);
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/* generic OFW method PCI functions */
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void genppc_pci_ofmethod_attach_hook(device_t, device_t,
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struct pcibus_attach_args *);
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pcitag_t genppc_pci_ofmethod_make_tag(void *, int, int, int);
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pcireg_t genppc_pci_ofmethod_conf_read(void *, pcitag_t, int);
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void genppc_pci_ofmethod_conf_write(void *, pcitag_t, int, pcireg_t);
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void genppc_pci_ofmethod_decompose_tag(void *, pcitag_t, int *, int *, int *);
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/* Generic OFW PCI functions */
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int genofw_find_picnode(int);
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void genofw_find_ofpics(int);
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void genofw_fixup_picnode_offsets(void);
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void genofw_setup_pciintr_map(void *, struct genppc_pci_chipset_businfo *, int);
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int genofw_find_node_by_devfunc(int, int, int, int);
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int genofw_pci_intr_map(const struct pci_attach_args *, pci_intr_handle_t *);
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int genofw_pci_conf_hook(void *, int, int, int, pcireg_t);
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/* OFW PCI structures and defines */
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#define PICNODE_TYPE_OPENPIC 1
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#define PICNODE_TYPE_8259 2
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#define PICNODE_TYPE_HEATHROW 3
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#define PICNODE_TYPE_OHARE 4
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#define PICNODE_TYPE_IVR 5
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typedef struct _ofw_pic_node_t {
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int node;
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int parent;
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int16_t cells;
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int16_t intrs;
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int16_t offset;
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int16_t type;
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} ofw_pic_node_t;
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#endif /* _KERNEL */
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#endif /* !_MODULE */
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#endif /* _PCI_MACHDEP_H_ */
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