igsfb_pci.c revision 1.2.2.4
1 1.2.2.4 nathanw /* $NetBSD: igsfb_pci.c,v 1.2.2.4 2002/10/18 02:43:09 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /* 4 1.2.2.2 nathanw * Copyright (c) 2002 Valeriy E. Ushakov 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 9 1.2.2.2 nathanw * are met: 10 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.2.2.2 nathanw * 3. The name of the author may not be used to endorse or promote products 16 1.2.2.2 nathanw * derived from this software without specific prior written permission 17 1.2.2.2 nathanw * 18 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.2.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.2.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.2.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.2.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.2.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.2.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.2.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.2.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.2.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.2.2.2 nathanw */ 29 1.2.2.2 nathanw 30 1.2.2.2 nathanw /* 31 1.2.2.3 nathanw * Integraphics Systems IGA 168x and CyberPro series. 32 1.2.2.3 nathanw * Only tested on IGA 1682 in Krups JavaStation-NC. 33 1.2.2.2 nathanw */ 34 1.2.2.2 nathanw #include <sys/cdefs.h> 35 1.2.2.4 nathanw __KERNEL_RCSID(0, "$NetBSD: igsfb_pci.c,v 1.2.2.4 2002/10/18 02:43:09 nathanw Exp $"); 36 1.2.2.2 nathanw 37 1.2.2.2 nathanw #include <sys/param.h> 38 1.2.2.2 nathanw #include <sys/systm.h> 39 1.2.2.2 nathanw #include <sys/kernel.h> 40 1.2.2.2 nathanw #include <sys/device.h> 41 1.2.2.2 nathanw #include <sys/malloc.h> 42 1.2.2.2 nathanw #include <sys/buf.h> 43 1.2.2.2 nathanw 44 1.2.2.4 nathanw #ifdef __sparc__ /* XXX: this doesn't belong here */ 45 1.2.2.2 nathanw #include <machine/autoconf.h> 46 1.2.2.4 nathanw #endif 47 1.2.2.2 nathanw #include <machine/bus.h> 48 1.2.2.2 nathanw #include <machine/intr.h> 49 1.2.2.2 nathanw 50 1.2.2.2 nathanw #include <dev/pci/pcivar.h> 51 1.2.2.2 nathanw #include <dev/pci/pcireg.h> 52 1.2.2.2 nathanw #include <dev/pci/pcidevs.h> 53 1.2.2.2 nathanw 54 1.2.2.2 nathanw #include <dev/wscons/wsconsio.h> 55 1.2.2.2 nathanw #include <dev/ic/igsfbreg.h> 56 1.2.2.2 nathanw #include <dev/ic/igsfbvar.h> 57 1.2.2.2 nathanw 58 1.2.2.2 nathanw 59 1.2.2.2 nathanw static int igsfb_pci_match(struct device *, struct cfdata *, void *); 60 1.2.2.2 nathanw static void igsfb_pci_attach(struct device *, struct device *, void *); 61 1.2.2.2 nathanw 62 1.2.2.4 nathanw CFATTACH_DECL(igsfb_pci, sizeof(struct igsfb_softc), 63 1.2.2.4 nathanw igsfb_pci_match, igsfb_pci_attach, NULL, NULL); 64 1.2.2.2 nathanw 65 1.2.2.2 nathanw static int 66 1.2.2.2 nathanw igsfb_pci_match(parent, match, aux) 67 1.2.2.2 nathanw struct device *parent; 68 1.2.2.2 nathanw struct cfdata *match; 69 1.2.2.2 nathanw void *aux; 70 1.2.2.2 nathanw { 71 1.2.2.2 nathanw struct pci_attach_args *pa = aux; 72 1.2.2.2 nathanw 73 1.2.2.2 nathanw if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEGRAPHICS) 74 1.2.2.2 nathanw return (0); 75 1.2.2.2 nathanw 76 1.2.2.2 nathanw /* probably can drive iga1680 and cyberpro cards as well */ 77 1.2.2.2 nathanw if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEGRAPHICS_IGA1682) 78 1.2.2.2 nathanw return (1); 79 1.2.2.2 nathanw 80 1.2.2.4 nathanw if (PCI_PRODUCT(pa->pa_id) == 0x2000) /* XXX */ 81 1.2.2.4 nathanw return (1); 82 1.2.2.4 nathanw 83 1.2.2.2 nathanw return (0); 84 1.2.2.2 nathanw } 85 1.2.2.2 nathanw 86 1.2.2.2 nathanw 87 1.2.2.2 nathanw /* 88 1.2.2.2 nathanw * Note, that the chip may still be not enabled (e.g. JavaStation PROM 89 1.2.2.2 nathanw * doesn't bother to init the chip if PROM output goes to serial). 90 1.2.2.2 nathanw */ 91 1.2.2.2 nathanw static void 92 1.2.2.2 nathanw igsfb_pci_attach(parent, self, aux) 93 1.2.2.2 nathanw struct device *parent, *self; 94 1.2.2.2 nathanw void *aux; 95 1.2.2.2 nathanw { 96 1.2.2.2 nathanw struct igsfb_softc *sc = (struct igsfb_softc *)self; 97 1.2.2.2 nathanw struct pci_attach_args *pa = aux; 98 1.2.2.2 nathanw bus_addr_t iobase; 99 1.2.2.2 nathanw int ioflags; 100 1.2.2.2 nathanw int isconsole; 101 1.2.2.2 nathanw char devinfo[256]; 102 1.2.2.2 nathanw 103 1.2.2.2 nathanw pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 104 1.2.2.4 nathanw printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class)); 105 1.2.2.2 nathanw 106 1.2.2.2 nathanw if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEGRAPHICS_IGA1682) 107 1.2.2.2 nathanw sc->sc_is2k = 0; 108 1.2.2.2 nathanw else 109 1.2.2.2 nathanw sc->sc_is2k = 1; 110 1.2.2.2 nathanw 111 1.2.2.2 nathanw /* 112 1.2.2.3 nathanw * Configure memory space first since for CyberPro we use 113 1.2.2.3 nathanw * memory-mapped i/o access. Note that we are NOT mapping any 114 1.2.2.4 nathanw * of it yet. (XXX: search for memory BAR?) 115 1.2.2.2 nathanw */ 116 1.2.2.2 nathanw #define IGS_MEM_MAPREG (PCI_MAPREG_START + 0) 117 1.2.2.2 nathanw 118 1.2.2.2 nathanw sc->sc_memt = pa->pa_memt; 119 1.2.2.2 nathanw if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 120 1.2.2.2 nathanw IGS_MEM_MAPREG, PCI_MAPREG_TYPE_MEM, 121 1.2.2.2 nathanw &sc->sc_memaddr, &sc->sc_memsz, &sc->sc_memflags) != 0) 122 1.2.2.2 nathanw { 123 1.2.2.2 nathanw printf("unable to configure memory space\n"); 124 1.2.2.2 nathanw return; 125 1.2.2.2 nathanw } 126 1.2.2.2 nathanw 127 1.2.2.2 nathanw /* 128 1.2.2.3 nathanw * Configure I/O space. On CyberPro use MMIO. IGS 168x 129 1.2.2.3 nathanw * doesn't have a BAR for its i/o, so we have to hardcode it. 130 1.2.2.2 nathanw */ 131 1.2.2.3 nathanw if (sc->sc_is2k) { 132 1.2.2.2 nathanw sc->sc_iot = sc->sc_memt; 133 1.2.2.3 nathanw iobase = IGS_MEM_MMIO_SELECT | sc->sc_memaddr; 134 1.2.2.2 nathanw ioflags = sc->sc_memflags; 135 1.2.2.4 nathanw printf("mem = 0x%08x, io = 0x%08x\n", 136 1.2.2.4 nathanw (u_int32_t)sc->sc_memaddr, 137 1.2.2.4 nathanw (u_int32_t)iobase); 138 1.2.2.2 nathanw } else { 139 1.2.2.3 nathanw /* feh, 1682 config denies having io space registers */ 140 1.2.2.2 nathanw sc->sc_iot = pa->pa_iot; 141 1.2.2.2 nathanw iobase = 0; 142 1.2.2.2 nathanw ioflags = 0; 143 1.2.2.2 nathanw } 144 1.2.2.2 nathanw 145 1.2.2.3 nathanw /* 146 1.2.2.3 nathanw * Map I/O registers. This is done in bus glue, not in common 147 1.2.2.3 nathanw * code because on e.g. ISA bus we'd need to access registers 148 1.2.2.3 nathanw * to obtain/program linear memory location. 149 1.2.2.3 nathanw */ 150 1.2.2.3 nathanw if (bus_space_map(sc->sc_iot, 151 1.2.2.3 nathanw iobase + IGS_REG_BASE, IGS_REG_SIZE, ioflags, 152 1.2.2.2 nathanw &sc->sc_ioh) != 0) 153 1.2.2.2 nathanw { 154 1.2.2.3 nathanw printf("unable to map I/O registers\n"); 155 1.2.2.2 nathanw return; 156 1.2.2.2 nathanw } 157 1.2.2.2 nathanw 158 1.2.2.4 nathanw /* 159 1.2.2.4 nathanw * Enable the chip. 160 1.2.2.4 nathanw * 161 1.2.2.4 nathanw * XXX: for CyberPro sc->sc_iot is actually MMIO. Make sure 162 1.2.2.4 nathanw * that the card responds to memory cycles first? 163 1.2.2.4 nathanw */ 164 1.2.2.4 nathanw if (igsfb_enable(sc->sc_iot) != 0) 165 1.2.2.4 nathanw return; 166 1.2.2.4 nathanw 167 1.2.2.4 nathanw #ifdef __arm__ /* XXX: uwe: netwinder */ 168 1.2.2.4 nathanw /* 169 1.2.2.4 nathanw * On Netwinder the card is absolutely out of whack. 170 1.2.2.4 nathanw * Program the registers to bring the card into a usable state. 171 1.2.2.4 nathanw * On Krups we rely on OFW to program the card correctly 172 1.2.2.4 nathanw * (XXX: re-check the case when the console is on serial). 173 1.2.2.4 nathanw */ 174 1.2.2.4 nathanw igsfb_hw_setup(sc); 175 1.2.2.4 nathanw #endif 176 1.2.2.2 nathanw 177 1.2.2.3 nathanw /* 178 1.2.2.3 nathanw * TODO: Map graphic coprocessor registers. not sure if this 179 1.2.2.3 nathanw * needs to be done in bus glue or can be moved to common 180 1.2.2.3 nathanw * attach code. 181 1.2.2.3 nathanw */ 182 1.2.2.2 nathanw 183 1.2.2.4 nathanw 184 1.2.2.3 nathanw isconsole = 0; 185 1.2.2.4 nathanw #ifdef __arm__ 186 1.2.2.4 nathanw isconsole = 1; /* XXX */ 187 1.2.2.4 nathanw #endif 188 1.2.2.4 nathanw 189 1.2.2.3 nathanw #ifdef __sparc__ /* XXX: this doesn't belong here */ 190 1.2.2.2 nathanw if (PCITAG_NODE(pa->pa_tag) == prom_instance_to_package(prom_stdout())) 191 1.2.2.2 nathanw isconsole = 1; 192 1.2.2.3 nathanw #endif 193 1.2.2.2 nathanw 194 1.2.2.2 nathanw igsfb_common_attach(sc, isconsole); 195 1.2.2.2 nathanw } 196
Indexes created Wed Oct 01 19:09:53 GMT 2025