sys/arch/evbppc/virtex/dev/xcvbusvar.h

   1 /*      $NetBSD$ */
   2
   3 /*
   4  * Copyright (c) 2006 Jachym Holecek
   5  * All rights reserved.
   6  *
   7  * Written for DFC Design, s.r.o.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #include <sys/types.h>
  34
  35 #include <machine/bus.h>
  36
  37 #ifndef _VIRTEX_DEV_VIRTEXVAR_H_
  38 #define _VIRTEX_DEV_VIRTEXVAR_H_
  39
  40 struct plb_attach_args;
  41
  42 struct ll_dmac {
  43         bus_space_tag_t         dmac_iot;
  44         bus_addr_t              dmac_ctrl_addr; /* Control registers */
  45         bus_addr_t              dmac_stat_addr; /* Status register */
  46         int                     dmac_chan;      /* Channel number */
  47 };
  48
  49 struct xcvbus_attach_args {
  50         /* LocalLink ("llbus") DMA channels. */
  51         struct ll_dmac          *vaa_rx_dmac;   /* Receive channel, if any */
  52         struct ll_dmac          *vaa_tx_dmac;   /* Transmit channel, if any */
  53
  54         /* Generic portion, enough for DCR/PLB. */
  55         const char              *vaa_name;      /* Device name */
  56         bus_space_tag_t         vaa_iot;        /* Registers */
  57         bus_addr_t              vaa_addr;
  58         bus_dma_tag_t           vaa_dmat;
  59         int                     vaa_intr;       /* Device interrupt line */
  60         int                     _vaa_is_dcr;    /* XXX bst flag  */
  61 };
  62
  63 void    *ll_dmac_intr_establish(int, void(*)(void *), void *);
  64 void    ll_dmac_intr_disestablish(int, void *);
  65
  66 void    virtex_autoconf(device_t, struct plb_attach_args *);
  67
  68 int     xcvbus_print(void *, const char *);
  69 int     xcvbus_child_match(device_t, cfdata_t, void *);
  70
  71 #endif /* _VIRTEX_DEV_VIRTEXVAR_H_ */