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psychovar.h revision 1.14 
      1 /*	$NetBSD: psychovar.h,v 1.14 2006/02/13 21:47:12 cdi Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1999, 2000 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _SPARC64_DEV_PSYCHOVAR_H_
     32 #define _SPARC64_DEV_PSYCHOVAR_H_
     33 
     34 #include <dev/sysmon/sysmonvar.h>
     35 
     36 /* per real PCI bus info */
     37 struct psycho_softc;
     38 
     39 struct psycho_pbm {
     40 	/* link to mum */
     41 	struct psycho_softc		*pp_sc;
     42 
     43 	/*
     44 	 * note that the sabre really only has one ranges property,
     45 	 * used for both simba a and simba b (but the ranges for
     46 	 * real psychos are the same for PCI A and PCI B anyway).
     47 	 */
     48 	struct psycho_registers		*pp_regs;
     49 	struct psycho_ranges		*pp_range;
     50 
     51 	/* counts of above */
     52 	int				pp_nregs;
     53 	int				pp_nrange;
     54 	int				pp_nintmap;
     55 
     56 	/* extents for free bus space */
     57 	struct extent			*pp_exmem;
     58 	struct extent			*pp_exio;
     59 
     60 	/* PCI Bus Module A or PCI Bus Module B */
     61 	int				pp_id;
     62 #define PSYCHO_PBM_UNKNOWN	0
     63 #define PSYCHO_PBM_A		1
     64 #define PSYCHO_PBM_B		2
     65 
     66 	/* chipset tag for this instance */
     67 	pci_chipset_tag_t		pp_pc;
     68 
     69 	/* our tags */
     70 	bus_space_tag_t			pp_memt;
     71 	bus_space_tag_t			pp_iot;
     72 	bus_dma_tag_t			pp_dmat;
     73 	int				pp_bus;
     74 	int				pp_busmax;
     75 	struct pp_busnode {
     76 		int	node;
     77 		int	(*valid)(void *);
     78 		void	*arg;
     79 	}				(*pp_busnode)[256];
     80 	int				pp_flags;
     81 
     82 	/* and pointers into the psycho regs for our bits */
     83 	bus_space_handle_t		pp_pcictl;
     84 	struct strbuf_ctl		pp_sb;
     85 	/* area we can use for flushing our streaming buffer */
     86 	char				pp_flush[0x80];
     87 };
     88 
     89 /*
     90  * per-PCI bus on mainbus softc structure; one for sabre, or two
     91  * per pair of psycho's.
     92  */
     93 struct psycho_softc {
     94 	struct	device			sc_dev;
     95 
     96 	/*
     97 	 * one sabre has two simba's.  psycho's are separately attached,
     98 	 * with the `other' psycho_pbm allocated at the first's attach.
     99 	 */
    100 	struct psycho_pbm		*__sc_psycho_this;
    101 	struct psycho_pbm		*__sc_psycho_other;
    102 #define	sc_psycho_this	__sc_psycho_this
    103 #define	sc_psycho_other	__sc_psycho_other
    104 
    105 	/*
    106 	 * PSYCHO register.  we record the base physical address of these
    107 	 * also as it is the base of the entire PSYCHO
    108 	 */
    109 	struct psychoreg		*sc_regs;
    110 	paddr_t				sc_basepaddr;
    111 
    112 	/* Interrupt Group Number for this device */
    113 	int				sc_ign;
    114 
    115 	/* our tags (from parent) */
    116 	bus_space_tag_t			sc_bustag;
    117 	bus_dma_tag_t			sc_dmatag;
    118 
    119 	bus_space_handle_t		sc_bh;
    120 
    121 	/* config space */
    122 	bus_space_tag_t			sc_configtag;
    123 	bus_space_handle_t		sc_configaddr;
    124 
    125 	int				sc_clockfreq;
    126 	int				sc_node;	/* prom node */
    127 	int				sc_mode;	/* (whatareya?) */
    128 #define	PSYCHO_MODE_SABRE	1	/* i'm a sabre (yob) */
    129 #define	PSYCHO_MODE_PSYCHO	2	/* i'm a psycho (w*nker) */
    130 
    131 	struct iommu_state		*sc_is;
    132 
    133 	struct sysmon_pswitch		*sc_smcontext;	/* power switch definition */
    134 	int				sc_powerpressed;/* already signaled */
    135 };
    136 
    137 /* get a PCI offset address from bus_space_handle_t */
    138 bus_addr_t psycho_bus_offset(bus_space_tag_t, bus_space_handle_t *);
    139 
    140 /* config space is per-psycho.  mem/io/DMA are per-pci bus */
    141 bus_dma_tag_t psycho_alloc_dma_tag(struct psycho_pbm *);
    142 bus_space_tag_t psycho_alloc_bus_tag(struct psycho_pbm *, int);
    143 
    144 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE)
    145 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE)
    146 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE)
    147 
    148 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */
    149