1 /* $NetBSD: ffb_mainbus.c,v 1.4 2004/05/21 21:45:04 heas 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 1.4 2004/05/21 21:45:04 heas 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/wscons/wsdisplayvar.h> 51 #include <dev/wscons/wscons_raster.h> 52 #include <dev/rasops/rasops.h> 53 54 #include <sparc64/dev/ffbreg.h> 55 #include <sparc64/dev/ffbvar.h> 56 57 extern int prom_stdout_node; 58 59 int ffb_mainbus_match(struct device *, struct cfdata *, void *); 60 void ffb_mainbus_attach(struct device *, struct device *, void *); 61 62 CFATTACH_DECL(ffb_mainbus, sizeof(struct ffb_softc), 63 ffb_mainbus_match, ffb_mainbus_attach, NULL, NULL); 64 65 int 66 ffb_mainbus_match(parent, match, aux) 67 struct device *parent; 68 struct cfdata *match; 69 void *aux; 70 { 71 struct mainbus_attach_args *ma = aux; 72 73 if (strcmp(ma->ma_name, "SUNW,ffb") == 0 || 74 strcmp(ma->ma_name, "SUNW,afb") == 0) 75 return (1); 76 return (0); 77 } 78 79 void 80 ffb_mainbus_attach(parent, self, aux) 81 struct device *parent, *self; 82 void *aux; 83 { 84 struct ffb_softc *sc = (struct ffb_softc *)self; 85 struct mainbus_attach_args *ma = aux; 86 int i, nregs; 87 88 sc->sc_bt = ma->ma_bustag; 89 90 nregs = min(ma->ma_nreg, FFB_NREGS); 91 92 if (nregs < FFB_REG_DFB24) { 93 printf(": no dfb24 regs found\n"); 94 goto fail1; 95 } 96 97 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DFB24].ur_paddr, 98 ma->ma_reg[FFB_REG_DFB24].ur_len, BUS_SPACE_MAP_LINEAR, 99 &sc->sc_pixel_h)) { 100 printf(": failed to map dfb24\n"); 101 goto fail1; 102 } 103 104 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_FBC].ur_paddr, 105 ma->ma_reg[FFB_REG_FBC].ur_len, 0, &sc->sc_fbc_h)) { 106 printf(": failed to map fbc\n"); 107 goto unmap_dfb24; 108 } 109 110 if (bus_space_map(sc->sc_bt, ma->ma_reg[FFB_REG_DAC].ur_paddr, 111 ma->ma_reg[FFB_REG_DAC].ur_len, BUS_SPACE_MAP_LINEAR, 112 &sc->sc_dac_h)) { 113 printf(": failed to map dac\n"); 114 goto unmap_fbc; 115 } 116 117 for (i = 0; i < nregs; i++) { 118 sc->sc_addrs[i] = ma->ma_reg[i].ur_paddr; 119 sc->sc_sizes[i] = ma->ma_reg[i].ur_len; 120 } 121 sc->sc_nreg = nregs; 122 123 sc->sc_console = (prom_stdout_node == ma->ma_node); 124 sc->sc_node = ma->ma_node; 125 126 if (strcmp(ma->ma_name, "SUNW,afb") == 0) 127 sc->sc_type = FFB_AFB; 128 129 ffb_attach(sc); 130 131 return; 132 133 #if notyet 134 unmap_dac: 135 bus_space_unmap(sc->sc_bt, sc->sc_dac_h, 136 ma->ma_reg[FFB_REG_DAC].ur_len); 137 #endif 138 unmap_fbc: 139 bus_space_unmap(sc->sc_bt, sc->sc_fbc_h, 140 ma->ma_reg[FFB_REG_FBC].ur_len); 141 unmap_dfb24: 142 bus_space_unmap(sc->sc_bt, sc->sc_pixel_h, 143 ma->ma_reg[FFB_REG_DFB24].ur_len); 144 fail1: 145 return; 146 } 147