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/* $OpenBSD: pci_machdep.h,v 1.2 2013/11/05 10:12:35 mpi Exp $ */
/* $NetBSD: pci_machdep.h,v 1.7 2001/07/20 00:07:14 eeh Exp $ */
/*
* Copyright (c) 1999 Matthew R. Green
* All rights reserved.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _MACHINE_PCI_MACHDEP_H_
#define _MACHINE_PCI_MACHDEP_H_
extern struct powerpc_bus_dma_tag pci_bus_dma_tag;
/*
* Forward declarations.
*/
struct pci_attach_args;
/*
* define some bits used to glue into the common PCI code.
*/
typedef struct ppc_pci_chipset *pci_chipset_tag_t;
typedef unsigned long pci_intr_handle_t;
/*
* The stuuuuuuupid allegedly MI PCI code expects pcitag_t to be a
* scalar type. But we really need to store both the OFW node and
* the bus/device/function info in it. (We'd like to store more,
* like all the ofw properties, but we don't need to.) Luckily,
* both are 32-bit values, so we can squeeze them into a u_int64_t
* with a little help from some macros.
*/
#define PCITAG_NODE(x) (int)(((x)>>32)&0xffffffff)
#define PCITAG_OFFSET(x) ((x)&0xffffffff)
#define PCITAG_BUS(t) ((PCITAG_OFFSET(t)>>16)&0xff)
#define PCITAG_DEV(t) ((PCITAG_OFFSET(t)>>11)&0x1f)
#define PCITAG_FUN(t) ((PCITAG_OFFSET(t)>>8)&0x7)
#define PCITAG_CREATE(n,b,d,f) (((uint64_t)(n)<<32)|((b)<<16)|((d)<<11)|((f)<<8))
typedef uint64_t pcitag_t;
struct ppc_pci_chipset {
void *pc_conf_v;
int pc_node;
int busnode[256];
pcireg_t (*pc_conf_read)(void *, pcitag_t, int);
void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
};
void pci_attach_hook(struct device *, struct device *,
struct pcibus_attach_args *);
int pci_bus_maxdevs(pci_chipset_tag_t, int);
pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *,
int *);
int pci_conf_size(pci_chipset_tag_t, pcitag_t);
pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
int pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
int pci_intr_map_msi(struct pci_attach_args *, pci_intr_handle_t *);
int pci_intr_line(pci_chipset_tag_t, pci_intr_handle_t);
const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
int, int (*)(void *), void *, const char *);
void pci_intr_disestablish(pci_chipset_tag_t, void *);
int pci_ether_hw_addr(pci_chipset_tag_t, uint8_t *);
#define pci_probe_device_hook(c, a) (0)
#define pci_min_powerstate(c, t) (PCI_PMCSR_STATE_D3)
#define pci_set_powerstate_md(c, t, s, p)
#define pci_dev_postattach(a, b)
int ofw_intr_map(int, uint32_t *, uint32_t *);
int ofw_enumerate_pcibus(struct pci_softc *,
int (*match)(struct pci_attach_args *),
struct pci_attach_args *);
#define PCI_MACHDEP_ENUMERATE_BUS ofw_enumerate_pcibus
#endif /* _MACHINE_PCI_MACHDEP_H_ */
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