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psychovar.h revision 1.2 
      1 /*	$NetBSD: psychovar.h,v 1.2 2000/04/10 16:11:23 mrg 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 /* per real PCI bus info */
     35 struct psycho_softc;
     36 
     37 struct psycho_pbm {
     38 	/* link to mum */
     39 	struct psycho_softc		*pp_sc;
     40 
     41 	/*
     42 	 * note that the sabre really only has one ranges property,
     43 	 * used for both simba a and simba b (but the ranges for
     44 	 * real psychos are the same for PCI A and PCI B anyway).
     45 	 */
     46 	struct psycho_registers		*pp_regs;
     47 	struct psycho_ranges		*pp_range;
     48 	struct psycho_interrupt_map	*pp_intmap;
     49 	struct psycho_interrupt_map_mask pp_intmapmask;
     50 
     51 	/* counts of above */
     52 	int				pp_nregs;
     53 	int				pp_nrange;
     54 	int				pp_nintmap;
     55 
     56 	/* chipset tag for this instance */
     57 	pci_chipset_tag_t		pp_pc;
     58 
     59 	/* our tags */
     60 	bus_space_tag_t			pp_memt;
     61 	bus_space_tag_t			pp_iot;
     62 	bus_dma_tag_t			pp_dmat;
     63 	int				pp_flags;
     64 
     65 	/* and pointers into the psycho regs for our bits */
     66 	struct pci_ctl			*pp_pcictl;
     67 };
     68 
     69 /*
     70  * per-PCI bus on mainbus softc structure; one for sabre, or two
     71  * per pair of psycho's.
     72  */
     73 struct psycho_softc {
     74 	struct	device			sc_dev;
     75 
     76 	/*
     77 	 * one sabre has two simba's.  psycho's are separately attached,
     78 	 * with the `other' psycho_pbm allocated at the first's attach.
     79 	 */
     80 	struct psycho_pbm		*sc_sabre;
     81 	struct psycho_pbm		*__sc_psycho_this;
     82 	struct psycho_pbm		*__sc_psycho_other;
     83 #define	sc_simba_a	__sc_psycho_this
     84 #define	sc_simba_b	__sc_psycho_other
     85 #define	sc_psycho_this	__sc_psycho_this
     86 #define	sc_psycho_other	__sc_psycho_other
     87 
     88 	/*
     89 	 * PSYCHO register.  we record the base physical address of these
     90 	 * also as it is the base of the entire PSYCHO
     91 	 */
     92 	struct psychoreg		*sc_regs;
     93 	paddr_t				sc_basepaddr;
     94 
     95 	/* our tags (from parent) */
     96 	bus_space_tag_t			sc_bustag;
     97 	bus_dma_tag_t			sc_dmatag;
     98 
     99 	/* config space */
    100 	bus_space_tag_t			sc_configtag;
    101 	paddr_t				sc_configaddr;
    102 
    103 	int				sc_clockfreq;
    104 	int				sc_node;	/* prom node */
    105 	int				sc_mode;	/* (whatareya?) */
    106 #define	PSYCHO_MODE_SABRE	1	/* i'm a sabre (yob) */
    107 #define	PSYCHO_MODE_PSYCHO_A	2	/* i'm a psycho (w*nker) */
    108 #define	PSYCHO_MODE_PSYCHO_B	3	/* i'm another psycho (w*nker) */
    109 
    110 	struct iommu_state		sc_is;
    111 };
    112 
    113 /* config space is per-psycho.  mem/io/dma are per-pci bus */
    114 bus_dma_tag_t psycho_alloc_dma_tag __P((struct psycho_pbm *));
    115 bus_space_tag_t psycho_alloc_bus_tag __P((struct psycho_pbm *, int));
    116 
    117 #define psycho_alloc_config_tag(pp) psycho_alloc_bus_tag((pp), PCI_CONFIG_BUS_SPACE)
    118 #define psycho_alloc_mem_tag(pp) psycho_alloc_bus_tag((pp), PCI_MEMORY_BUS_SPACE)
    119 #define psycho_alloc_io_tag(pp) psycho_alloc_bus_tag((pp), PCI_IO_BUS_SPACE)
    120 
    121 int psycho_intr_map __P((pcitag_t, int, int, pci_intr_handle_t *));
    122 
    123 #endif /* _SPARC64_DEV_PSYCHOVAR_H_ */
    124