sys/arch/sparc64/dev/ffb_mainbus.c

   1 /*      $NetBSD: ffb_mainbus.c,v 1.1.2.4 2005/11/10 13:59:18 skrll Exp $        */
   2 /*      $OpenBSD: creator_mainbus.c,v 1.4 2002/07/26 16:39:04 jason Exp $       */
   3
   4 /*
   5  * Copyright (c) 2002 Jason L. Wright (jason@thought.net),
   6  *  Federico G. Schwindt (fgsch@openbsd.org)
   7  * All rights reserved.
   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  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Jason L. Wright
  20  * 4. The name of the author may not be used to endorse or promote products
  21  *    derived from this software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  32  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: ffb_mainbus.c,v 1.1.2.4 2005/11/10 13:59:18 skrll Exp $");
  38
  39 #include <sys/types.h>
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/kernel.h>
  43 #include <sys/device.h>
  44
  45 #include <machine/bus.h>
  46 #include <machine/autoconf.h>
  47 #include <machine/openfirm.h>
  48
  49 #include <dev/wscons/wsconsio.h>
  50 #include <dev/sun/fbio.h>
  51 #include <dev/sun/fbvar.h>
  52
  53 #include <sparc64/dev/ffbreg.h>
  54 #include <sparc64/dev/ffbvar.h>
  55
  56 extern int prom_stdout_node;
  57
  58 int     ffb_mainbus_match(struct device *, struct cfdata *, void *);
  59 void    ffb_mainbus_attach(struct device *, struct device *, void *);
  60
  61 CFATTACH_DECL(ffb_mainbus, sizeof(struct ffb_softc),
  62               ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
  63
  64 int
  65 ffb_mainbus_match(struct device *parent, struct cfdata *match, void *aux)
  66 {
  67         struct mainbus_attach_args *ma = aux;
  68
  69         if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
  70             strcmp(ma->ma_name, "SUNW,afb") == 0)
  71                 return (1);
  72         return (0);
  73 }
  74
  75 void
  76 ffb_mainbus_attach(struct device *parent, struct device *self, void *aux)
  77 {
  78         struct ffb_softc *sc = (struct ffb_softc *)self;
  79         struct mainbus_attach_args *ma = aux;
  80         int i, nregs;
  81
  82         sc->sc_bt = ma->ma_bustag;
  83
  84         nregs = min(ma->ma_nreg, FFB_NREGS);
  85
  86         if (nregs < FFB_REG_DFB24) {
  87                 printf(": no dfb24 regs found\n");
  88                 goto fail1;
  89         }
  90
  91         if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DFB24].ur_paddr,
  92             ma->ma_reg[FFB_REG_DFB24].ur_len, BUS_SPACE_MAP_LINEAR,
  93             &sc->sc_pixel_h)) {
  94                 printf(": failed to map dfb24\n");
  95                 goto fail1;
  96         }
  97
  98         if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
  99             ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
 100                 printf(": failed to map fbc\n");
 101                 goto unmap_dfb24;
 102         }
 103
 104         if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr,
 105             ma->ma_reg[FFB_REG_DAC].ur_len, 0, &sc->sc_dac_h)) {
 106                 printf(": failed to map dac\n");
 107                 goto unmap_fbc;
 108         }
 109
 110         for (i = 0; i < nregs; i++) {
 111                 sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
 112                 sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
 113         }
 114         sc->sc_nreg = nregs;
 115
 116         sc->sc_console = (prom_stdout_node == ma->ma_node);
 117         sc->sc_node = ma->ma_node;
 118
 119         if (strcmp(ma->ma_name, "SUNW,afb") == 0)
 120                 sc->sc_type = FFB_AFB;
 121
 122         ffb_attach(sc);
 123
 124         return;
 125
 126 #if notyet
 127 unmap_dac:
 128         bus_space_unmap(sc->sc_bt, sc->sc_dac_h,
 129                     ma->ma_reg[FFB_REG_DAC].ur_len);
 130 #endif
 131 unmap_fbc:
 132         bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
 133                     ma->ma_reg[FFB_REG_FBC].ur_len);
 134 unmap_dfb24:
 135         bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
 136                     ma->ma_reg[FFB_REG_DFB24].ur_len);
 137 fail1:
 138         return;
 139 }