igsfb_pci.c revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: igsfb_pci.c,v 1.2.2.2 2002/04/17 00:06:02 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 1.2.2.2 nathanw * Integraphics Systems IGA 1682 and (untested) CyberPro 2k. 32 1.2.2.2 nathanw */ 33 1.2.2.2 nathanw #include <sys/cdefs.h> 34 1.2.2.2 nathanw __KERNEL_RCSID(0, "$NetBSD: igsfb_pci.c,v 1.2.2.2 2002/04/17 00:06:02 nathanw Exp $"); 35 1.2.2.2 nathanw 36 1.2.2.2 nathanw #include <sys/param.h> 37 1.2.2.2 nathanw #include <sys/systm.h> 38 1.2.2.2 nathanw #include <sys/kernel.h> 39 1.2.2.2 nathanw #include <sys/device.h> 40 1.2.2.2 nathanw #include <sys/malloc.h> 41 1.2.2.2 nathanw #include <sys/buf.h> 42 1.2.2.2 nathanw 43 1.2.2.2 nathanw #include <machine/autoconf.h> 44 1.2.2.2 nathanw #include <machine/bus.h> 45 1.2.2.2 nathanw #include <machine/intr.h> 46 1.2.2.2 nathanw 47 1.2.2.2 nathanw #include <dev/pci/pcivar.h> 48 1.2.2.2 nathanw #include <dev/pci/pcireg.h> 49 1.2.2.2 nathanw #include <dev/pci/pcidevs.h> 50 1.2.2.2 nathanw 51 1.2.2.2 nathanw #include <dev/wscons/wsconsio.h> 52 1.2.2.2 nathanw #include <dev/ic/igsfbreg.h> 53 1.2.2.2 nathanw #include <dev/ic/igsfbvar.h> 54 1.2.2.2 nathanw 55 1.2.2.2 nathanw 56 1.2.2.2 nathanw static int igsfb_pci_match(struct device *, struct cfdata *, void *); 57 1.2.2.2 nathanw static void igsfb_pci_attach(struct device *, struct device *, void *); 58 1.2.2.2 nathanw 59 1.2.2.2 nathanw const struct cfattach igsfb_pci_ca = { 60 1.2.2.2 nathanw sizeof(struct igsfb_softc), igsfb_pci_match, igsfb_pci_attach, 61 1.2.2.2 nathanw }; 62 1.2.2.2 nathanw 63 1.2.2.2 nathanw 64 1.2.2.2 nathanw static int 65 1.2.2.2 nathanw igsfb_pci_match(parent, match, aux) 66 1.2.2.2 nathanw struct device *parent; 67 1.2.2.2 nathanw struct cfdata *match; 68 1.2.2.2 nathanw void *aux; 69 1.2.2.2 nathanw { 70 1.2.2.2 nathanw struct pci_attach_args *pa = aux; 71 1.2.2.2 nathanw 72 1.2.2.2 nathanw if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEGRAPHICS) 73 1.2.2.2 nathanw return (0); 74 1.2.2.2 nathanw 75 1.2.2.2 nathanw /* probably can drive iga1680 and cyberpro cards as well */ 76 1.2.2.2 nathanw if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEGRAPHICS_IGA1682) 77 1.2.2.2 nathanw return (1); 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw return (0); 80 1.2.2.2 nathanw } 81 1.2.2.2 nathanw 82 1.2.2.2 nathanw 83 1.2.2.2 nathanw /* 84 1.2.2.2 nathanw * Note, that the chip may still be not enabled (e.g. JavaStation PROM 85 1.2.2.2 nathanw * doesn't bother to init the chip if PROM output goes to serial). 86 1.2.2.2 nathanw */ 87 1.2.2.2 nathanw static void 88 1.2.2.2 nathanw igsfb_pci_attach(parent, self, aux) 89 1.2.2.2 nathanw struct device *parent, *self; 90 1.2.2.2 nathanw void *aux; 91 1.2.2.2 nathanw { 92 1.2.2.2 nathanw struct igsfb_softc *sc = (struct igsfb_softc *)self; 93 1.2.2.2 nathanw struct pci_attach_args *pa = aux; 94 1.2.2.2 nathanw bus_addr_t iobase; 95 1.2.2.2 nathanw int ioflags; 96 1.2.2.2 nathanw int isconsole; 97 1.2.2.2 nathanw char devinfo[256]; 98 1.2.2.2 nathanw 99 1.2.2.2 nathanw pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 100 1.2.2.2 nathanw printf(": %s, revision 0x%02x\n", devinfo, PCI_REVISION(pa->pa_class)); 101 1.2.2.2 nathanw 102 1.2.2.2 nathanw if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEGRAPHICS_IGA1682) 103 1.2.2.2 nathanw sc->sc_is2k = 0; 104 1.2.2.2 nathanw else 105 1.2.2.2 nathanw sc->sc_is2k = 1; 106 1.2.2.2 nathanw 107 1.2.2.2 nathanw 108 1.2.2.2 nathanw #ifdef __sparc__ 109 1.2.2.2 nathanw /* 110 1.2.2.2 nathanw * We run javastation with PCIC doing byte-swapping on data 111 1.2.2.2 nathanw * travelling to/from PCI, so compensate for that. 112 1.2.2.2 nathanw */ 113 1.2.2.2 nathanw sc->sc_hwflags |= IGSFB_HW_BSWAP; 114 1.2.2.2 nathanw #endif 115 1.2.2.2 nathanw 116 1.2.2.2 nathanw /* 117 1.2.2.2 nathanw * Memory space. Configure it first since for cyber2k we also 118 1.2.2.2 nathanw * use memory-mapped i/o access. Note that we are not mapping 119 1.2.2.2 nathanw * any of it yet. 120 1.2.2.2 nathanw */ 121 1.2.2.2 nathanw #define IGS_MEM_MAPREG (PCI_MAPREG_START + 0) 122 1.2.2.2 nathanw 123 1.2.2.2 nathanw sc->sc_memt = pa->pa_memt; 124 1.2.2.2 nathanw if (pci_mapreg_info(pa->pa_pc, pa->pa_tag, 125 1.2.2.2 nathanw IGS_MEM_MAPREG, PCI_MAPREG_TYPE_MEM, 126 1.2.2.2 nathanw &sc->sc_memaddr, &sc->sc_memsz, &sc->sc_memflags) != 0) 127 1.2.2.2 nathanw { 128 1.2.2.2 nathanw printf("unable to configure memory space\n"); 129 1.2.2.2 nathanw return; 130 1.2.2.2 nathanw } 131 1.2.2.2 nathanw 132 1.2.2.2 nathanw /* 133 1.2.2.2 nathanw * I/O space. 134 1.2.2.2 nathanw */ 135 1.2.2.2 nathanw if (sc->sc_is2k) { /* XXX: untested */ 136 1.2.2.2 nathanw sc->sc_iot = sc->sc_memt; 137 1.2.2.2 nathanw iobase = sc->sc_memaddr | IGS_MEM_MMIO_SELECT; 138 1.2.2.2 nathanw ioflags = sc->sc_memflags; 139 1.2.2.2 nathanw } else { 140 1.2.2.2 nathanw /* feh, 1682 denies having io space registers */ 141 1.2.2.2 nathanw sc->sc_iot = pa->pa_iot; 142 1.2.2.2 nathanw iobase = 0; 143 1.2.2.2 nathanw ioflags = 0; 144 1.2.2.2 nathanw } 145 1.2.2.2 nathanw 146 1.2.2.2 nathanw if (bus_space_map(sc->sc_iot, iobase, IGS_IO_SIZE, ioflags, 147 1.2.2.2 nathanw &sc->sc_ioh) != 0) 148 1.2.2.2 nathanw { 149 1.2.2.2 nathanw printf("unable to map io registers\n"); 150 1.2.2.2 nathanw return; 151 1.2.2.2 nathanw } 152 1.2.2.2 nathanw 153 1.2.2.2 nathanw /* TODO: Graphic coprocessor registers. */ 154 1.2.2.2 nathanw 155 1.2.2.2 nathanw if (igsfb_io_enable(sc->sc_iot, iobase) != 0) 156 1.2.2.2 nathanw return; 157 1.2.2.2 nathanw 158 1.2.2.2 nathanw igsfb_mem_enable(sc); 159 1.2.2.2 nathanw 160 1.2.2.2 nathanw /* XXX: sparc'ism */ 161 1.2.2.2 nathanw if (PCITAG_NODE(pa->pa_tag) == prom_instance_to_package(prom_stdout())) 162 1.2.2.2 nathanw isconsole = 1; 163 1.2.2.2 nathanw else 164 1.2.2.2 nathanw isconsole = 0; 165 1.2.2.2 nathanw 166 1.2.2.2 nathanw igsfb_common_attach(sc, isconsole); 167 1.2.2.2 nathanw } 168
Indexes created Wed Oct 01 19:09:53 GMT 2025