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ffb_mainbus.c revision 1.1 
      1 /*	$NetBSD: ffb_mainbus.c,v 1.1 2003/05/23 06:51:16 petrov 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 (at) thought.net),
      6  *  Federico G. Schwindt (fgsch (at) 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/types.h>
     37 #include <sys/param.h>
     38 #include <sys/systm.h>
     39 #include <sys/kernel.h>
     40 #include <sys/device.h>
     41 
     42 #include <machine/bus.h>
     43 #include <machine/autoconf.h>
     44 #include <machine/openfirm.h>
     45 
     46 #include <dev/wscons/wsconsio.h>
     47 #include <dev/wscons/wsdisplayvar.h>
     48 #include <dev/wscons/wscons_raster.h>
     49 #include <dev/rasops/rasops.h>
     50 
     51 #include <sparc64/dev/ffbreg.h>
     52 #include <sparc64/dev/ffbvar.h>
     53 
     54 int	ffb_mainbus_match(struct device *, struct cfdata *, void *);
     55 void	ffb_mainbus_attach(struct device *, struct device *, void *);
     56 
     57 CFATTACH_DECL(ffb_mainbus, sizeof(struct ffb_softc),
     58 	      ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL);
     59 
     60 int
     61 ffb_mainbus_match(parent, match, aux)
     62 	struct device *parent;
     63 	struct cfdata *match;
     64 	void *aux;
     65 {
     66 	struct mainbus_attach_args *ma = aux;
     67 
     68 	if (strcmp(ma->ma_name, "SUNW,ffb") == 0 ||
     69 	    strcmp(ma->ma_name, "SUNW,afb") == 0)
     70 		return (1);
     71 	return (0);
     72 }
     73 
     74 void
     75 ffb_mainbus_attach(parent, self, aux)
     76 	struct device *parent, *self;
     77 	void *aux;
     78 {
     79 	struct ffb_softc *sc = (struct ffb_softc *)self;
     80 	struct mainbus_attach_args *ma = aux;
     81 	extern int fbnode;
     82 	int i, nregs;
     83 
     84 	sc->sc_bt = ma->ma_bustag;
     85 
     86 	nregs = min(ma->ma_nreg, FFB_NREGS);
     87 
     88 	if (nregs < FFB_REG_DFB24) {
     89 		printf(": no dfb24 regs found\n");
     90 		goto fail1;
     91 	}
     92 
     93 	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DFB24].ur_paddr,
     94 	    ma->ma_reg[FFB_REG_DFB24].ur_len, BUS_SPACE_MAP_LINEAR,
     95 	    &sc->sc_pixel_h)) {
     96 		printf(": failed to map dfb24\n");
     97 		goto fail1;
     98 	}
     99 
    100 	if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr,
    101 	    ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) {
    102 		printf(": failed to map fbc\n");
    103 		goto fail;
    104 	}
    105 
    106 	for (i = 0; i < nregs; i++) {
    107 		sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr;
    108 		sc->sc_sizes[i] = ma->ma_reg[i].ur_len;
    109 	}
    110 	sc->sc_nreg = nregs;
    111 
    112 	sc->sc_console = (fbnode == ma->ma_node);
    113 	sc->sc_node = ma->ma_node;
    114 
    115 	if (strcmp(ma->ma_name, "SUNW,afb") == 0)
    116 		sc->sc_type = FFB_AFB;
    117 
    118 	ffb_attach(sc);
    119 
    120 	return;
    121 
    122 fail:
    123 #if 0
    124 	if (sc->sc_fbc_h != 0)
    125 		bus_space_unmap(sc->sc_bt, sc->sc_fbc_h,
    126 		    ma->ma_reg[FFB_REG_FBC].ur_len);
    127 #endif
    128 /*	if (sc->sc_pixel_h != 0) */
    129 		bus_space_unmap(sc->sc_bt, sc->sc_pixel_h,
    130 		    ma->ma_reg[FFB_REG_DFB24].ur_len);
    131 fail1:
    132 	return;
    133 }
    134