/*
* Copyright (c) 1999, 2000 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.
*
* 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.
*/
struct psycho_pbm {
/* link to mum */
struct psycho_softc *pp_sc;
/*
* note that the sabre really only has one ranges property,
* used for both simba a and simba b (but the ranges for
* real psychos are the same for PCI A and PCI B anyway).
*/
struct psycho_registers *pp_regs;
struct psycho_ranges *pp_range;
/* counts of above */
int pp_nregs;
int pp_nrange;
int pp_nintmap;
/* extents for free bus space */
struct extent *pp_exmem;
struct extent *pp_exio;
/* PCI Bus Module A or PCI Bus Module B */
int pp_id;
#define PSYCHO_PBM_UNKNOWN 0
#define PSYCHO_PBM_A 1
#define PSYCHO_PBM_B 2
/* chipset tag for this instance */
pci_chipset_tag_t pp_pc;
/* our tags */
bus_space_tag_t pp_memt;
bus_space_tag_t pp_iot;
bus_dma_tag_t pp_dmat;
int pp_bus;
int pp_flags;
/* and pointers into the psycho regs for our bits */
bus_space_handle_t pp_pcictl;
struct strbuf_ctl pp_sb;
/* area we can use for flushing our streaming buffer */
char pp_flush[0x80];
};
/*
* per-PCI bus on mainbus softc structure; one for sabre, or two
* per pair of psycho's.
*/
struct psycho_softc {
device_t sc_dev;
/*
* one sabre has two simba's. psycho's are separately attached,
* with the `other' psycho_pbm allocated at the first's attach.
*/
struct psycho_pbm *__sc_psycho_this;
struct psycho_pbm *__sc_psycho_other;
#define sc_psycho_this __sc_psycho_this
#define sc_psycho_other __sc_psycho_other
/*
* PSYCHO register. we record the base physical address of these
* also as it is the base of the entire PSYCHO
*/
struct psychoreg *sc_regs;
paddr_t sc_basepaddr;
/* Interrupt Group Number for this device */
int sc_ign;
/* config space */
bus_space_tag_t sc_configtag;
bus_space_handle_t sc_configaddr;
int sc_clockfreq;
int sc_node; /* prom node */
int sc_mode; /* (whatareya?) */
#define PSYCHO_MODE_SABRE 1 /* i'm a sabre (yob) */
#define PSYCHO_MODE_PSYCHO 2 /* i'm a psycho (w*nker) */
struct iommu_state *sc_is;
struct sysmon_pswitch *sc_smcontext; /* power switch definition */
int sc_powerpressed;/* already signaled */
uint64_t sc_last_stick;
};
/* get a PCI offset address from bus_space_handle_t */
bus_addr_t psycho_bus_offset(bus_space_tag_t, bus_space_handle_t *);
/* config space is per-psycho. mem/io/DMA are per-pci bus */
bus_dma_tag_t psycho_alloc_dma_tag(struct psycho_pbm *);
bus_space_tag_t psycho_alloc_bus_tag(struct psycho_pbm *, int);
