sys/arch/prep/pnpbus/pnpbusvar.h

   1 /*      $NetBSD: pnpbusvar.h,v 1.5 2008/04/28 19:01:45 garbled Exp $    */
   2
   3 /*-
   4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Tim Rightnour.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _PREP_PNPBUSVAR_H_
  33 #define _PREP_PNPBUSVAR_H_
  34
  35 #include <sys/queue.h>
  36 #include <machine/bus.h>
  37 #include <machine/residual.h>
  38
  39 struct pnpbus_mem {
  40         SIMPLEQ_ENTRY(pnpbus_mem) next;
  41         uint32_t minbase, maxbase, align, len;
  42         int flags;
  43 };
  44 struct pnpbus_io {
  45         SIMPLEQ_ENTRY(pnpbus_io) next;
  46         uint16_t minbase, maxbase, align, len;
  47         int flags;
  48 };
  49 struct pnpbus_irq {
  50         SIMPLEQ_ENTRY(pnpbus_irq) next;
  51         uint16_t mask;
  52         int flags;
  53 };
  54 struct pnpbus_dma {
  55         SIMPLEQ_ENTRY(pnpbus_dma) next;
  56         uint8_t mask;
  57         int flags;
  58 };
  59 struct pnpbus_compatid {
  60         char idstr[8];
  61         struct pnpbus_compatid *next;
  62 };
  63
  64 #define PNPBUS_MAXMEM 4
  65 #define PNPBUS_MAXIOPORT 8
  66 #define PNPBUS_MAXIRQ 2
  67 #define PNPBUS_MAXDMA 2
  68
  69 #define IST_PNP -1
  70
  71 struct pnpresources {
  72         int nummem, numiomem, numio, numirq, numdma;
  73         SIMPLEQ_HEAD(, pnpbus_mem) mem;
  74         SIMPLEQ_HEAD(, pnpbus_mem) iomem;
  75         SIMPLEQ_HEAD(, pnpbus_io) io;
  76         SIMPLEQ_HEAD(, pnpbus_irq) irq;
  77         SIMPLEQ_HEAD(, pnpbus_dma) dma;
  78         struct pnpbus_compatid *compatids;
  79 };
  80
  81 /*
  82  * Bus attach arguments
  83  */
  84 struct pnpbus_attach_args {
  85         const char *paa_name;           /* match to struct confargs*/
  86         bus_space_tag_t paa_iot;        /* i/o space tag */
  87         bus_space_tag_t paa_memt;       /* mem space tag */
  88         isa_chipset_tag_t paa_ic;       /* ISA chipset tag */
  89         bus_dma_tag_t paa_dmat;         /* ISA DMA tag */
  90 };
  91
  92 /*
  93  * driver attach arguments
  94  */
  95 struct pnpbus_dev_attach_args {
  96         bus_space_tag_t pna_iot;        /* i/o space tag */
  97         bus_space_tag_t pna_memt;       /* mem space tag */
  98         isa_chipset_tag_t pna_ic;       /* ISA chipset tag */
  99         bus_dma_tag_t pna_dmat;         /* ISA DMA tag */
 100
 101         struct pnpresources pna_res;    /* resources gathered from PNP */
 102         char    pna_devid[8];           /* PNP device id string */
 103         PPC_DEVICE *pna_ppc_dev;        /* PNP device entry */
 104         void    *pna_aux;               /* driver specific */
 105         uint8_t basetype;               /* PNP base type */
 106         uint8_t subtype;                /* PNP subtype */
 107         uint8_t interface;              /* PNP interface */
 108         uint16_t chipid;                /* Chip identifier if any */
 109         uint8_t chipmfg0;               /* Chip vendor0 */
 110         uint8_t chipmfg1;               /* chip vendor1 */
 111 };
 112
 113 /*
 114  * master bus
 115  */
 116 struct pnpbus_softc {
 117         struct  device sc_dev;          /* base device */
 118         isa_chipset_tag_t sc_ic;
 119
 120         bus_space_tag_t sc_iot;         /* io space tag */
 121         bus_space_tag_t sc_memt;        /* mem space tag */
 122         bus_dma_tag_t sc_dmat;          /* ISA DMA tag */
 123 };
 124
 125 int     pnpbus_scan(struct pnpbus_dev_attach_args *pna, PPC_DEVICE *dev);
 126 void    pnpbus_print_devres(struct pnpbus_dev_attach_args *pna);
 127 void    *pnpbus_intr_establish(int idx, int level, int tover,
 128             int (*ih_fun)(void *), void *ih_arg, struct pnpresources *r);
 129 void    pnpbus_intr_disestablish(void *arg);
 130 int     pnpbus_getirqnum(struct pnpresources *r, int idx, int *irqp, int *istp);
 131 int     pnpbus_getdmachan(struct pnpresources *r, int idx, int *chanp);
 132 int     pnpbus_getioport(struct pnpresources *r, int idx, int *basep,
 133             int *sizep);
 134 int     pnpbus_io_map(struct pnpresources *r, int idx, bus_space_tag_t *tagp,
 135             bus_space_handle_t *hdlp);
 136 void    pnpbus_io_unmap(struct pnpresources *r, int idx, bus_space_tag_t tag,
 137             bus_space_handle_t hdl);
 138 int     pnpbus_getiomem(struct pnpresources *r, int idx, int *basep,
 139             int *sizep);
 140 int     pnpbus_iomem_map(struct pnpresources *r, int idx, bus_space_tag_t *tagp,
 141             bus_space_handle_t *hdlp);
 142 void    pnpbus_iomem_unmap(struct pnpresources *r, int idx, bus_space_tag_t tag,
 143             bus_space_handle_t hdl);
 144
 145 #endif /* _PREP_PNPBUSVAR_H_ */