The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/isa/vga_isa.c

Version: -  FREEBSD  -  FREEBSD11  -  FREEBSD10  -  FREEBSD9  -  FREEBSD92  -  FREEBSD91  -  FREEBSD90  -  FREEBSD8  -  FREEBSD82  -  FREEBSD81  -  FREEBSD80  -  FREEBSD7  -  FREEBSD74  -  FREEBSD73  -  FREEBSD72  -  FREEBSD71  -  FREEBSD70  -  FREEBSD6  -  FREEBSD64  -  FREEBSD63  -  FREEBSD62  -  FREEBSD61  -  FREEBSD60  -  FREEBSD5  -  FREEBSD55  -  FREEBSD54  -  FREEBSD53  -  FREEBSD52  -  FREEBSD51  -  FREEBSD50  -  FREEBSD4  -  FREEBSD3  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer as
   10  *    the first lines of this file unmodified.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: src/sys/isa/vga_isa.c,v 1.20 2001/09/12 08:37:42 julian Exp $
   27  */
   28 
   29 #include "opt_vga.h"
   30 #include "opt_fb.h"
   31 #include "opt_syscons.h"        /* should be removed in the future, XXX */
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/kernel.h>
   36 #include <sys/conf.h>
   37 #include <sys/bus.h>
   38 #include <sys/fbio.h>
   39 
   40 #include <machine/bus.h>
   41 #include <machine/resource.h>
   42 
   43 #include <sys/rman.h>
   44 
   45 #include <vm/vm.h>
   46 #include <vm/pmap.h>
   47 
   48 #include <machine/md_var.h>
   49 #include <machine/pc/bios.h>
   50 
   51 #include <dev/fb/fbreg.h>
   52 #include <dev/fb/vgareg.h>
   53 
   54 #include <isa/isareg.h>
   55 #include <isa/isavar.h>
   56 
   57 #define VGA_SOFTC(unit)         \
   58         ((vga_softc_t *)devclass_get_softc(isavga_devclass, unit))
   59 
   60 static devclass_t       isavga_devclass;
   61 
   62 #ifdef FB_INSTALL_CDEV
   63 
   64 static d_open_t         isavga_open;
   65 static d_close_t        isavga_close;
   66 static d_read_t         isavga_read;
   67 static d_write_t        isavga_write;
   68 static d_ioctl_t        isavga_ioctl;
   69 static d_mmap_t         isavga_mmap;
   70 
   71 static struct cdevsw isavga_cdevsw = {
   72         /* open */      isavga_open,
   73         /* close */     isavga_close,
   74         /* read */      isavga_read,
   75         /* write */     isavga_write,
   76         /* ioctl */     isavga_ioctl,
   77         /* poll */      nopoll,
   78         /* mmap */      isavga_mmap,
   79         /* strategy */  nostrategy,
   80         /* name */      VGA_DRIVER_NAME,
   81         /* maj */       -1,
   82         /* dump */      nodump,
   83         /* psize */     nopsize,
   84         /* flags */     0,
   85 };
   86 
   87 #endif /* FB_INSTALL_CDEV */
   88 
   89 static void
   90 isavga_identify(driver_t *driver, device_t parent)
   91 {
   92         BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, VGA_DRIVER_NAME, 0);
   93 }
   94 
   95 static int
   96 isavga_probe(device_t dev)
   97 {
   98         video_adapter_t adp;
   99         device_t bus;
  100         int error;
  101 
  102         /* No pnp support */
  103         if (isa_get_vendorid(dev))
  104                 return (ENXIO);
  105 
  106         device_set_desc(dev, "Generic ISA VGA");
  107         error = vga_probe_unit(device_get_unit(dev), &adp, device_get_flags(dev));
  108         if (error == 0) {
  109                 bus = device_get_parent(dev);
  110                 bus_set_resource(dev, SYS_RES_IOPORT, 0,
  111                                  adp.va_io_base, adp.va_io_size);
  112                 bus_set_resource(dev, SYS_RES_MEMORY, 0,
  113                                  adp.va_mem_base, adp.va_mem_size);
  114 #if 0
  115                 isa_set_port(dev, adp.va_io_base);
  116                 isa_set_portsize(dev, adp.va_io_size);
  117                 isa_set_maddr(dev, adp.va_mem_base);
  118                 isa_set_msize(dev, adp.va_mem_size);
  119 #endif
  120         }
  121         return error;
  122 }
  123 
  124 static int
  125 isavga_attach(device_t dev)
  126 {
  127         vga_softc_t *sc;
  128         struct resource *port;
  129         struct resource *mem;
  130         int unit;
  131         int rid;
  132         int error;
  133 
  134         unit = device_get_unit(dev);
  135         sc = device_get_softc(dev);
  136 
  137         rid = 0;
  138         port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
  139                                   0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
  140         rid = 0;
  141         mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
  142                                  0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
  143 
  144         error = vga_attach_unit(unit, sc, device_get_flags(dev));
  145         if (error)
  146                 return error;
  147 
  148 #ifdef FB_INSTALL_CDEV
  149         /* attach a virtual frame buffer device */
  150         error = fb_attach(makedev(0, VGA_MKMINOR(unit)), sc->adp, &isavga_cdevsw);
  151         if (error)
  152                 return error;
  153 #endif /* FB_INSTALL_CDEV */
  154 
  155         if (bootverbose)
  156                 (*vidsw[sc->adp->va_index]->diag)(sc->adp, bootverbose);
  157 
  158 #if experimental
  159         device_add_child(dev, "fb", -1);
  160         bus_generic_attach(dev);
  161 #endif
  162 
  163         return 0;
  164 }
  165 
  166 #ifdef FB_INSTALL_CDEV
  167 
  168 static int
  169 isavga_open(dev_t dev, int flag, int mode, struct thread *td)
  170 {
  171         return vga_open(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td);
  172 }
  173 
  174 static int
  175 isavga_close(dev_t dev, int flag, int mode, struct thread *td)
  176 {
  177         return vga_close(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, td);
  178 }
  179 
  180 static int
  181 isavga_read(dev_t dev, struct uio *uio, int flag)
  182 {
  183         return vga_read(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag);
  184 }
  185 
  186 static int
  187 isavga_write(dev_t dev, struct uio *uio, int flag)
  188 {
  189         return vga_write(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag);
  190 }
  191 
  192 static int
  193 isavga_ioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct thread *td)
  194 {
  195         return vga_ioctl(dev, VGA_SOFTC(VGA_UNIT(dev)), cmd, arg, flag, td);
  196 }
  197 
  198 static int
  199 isavga_mmap(dev_t dev, vm_offset_t offset, int prot)
  200 {
  201         return vga_mmap(dev, VGA_SOFTC(VGA_UNIT(dev)), offset, prot);
  202 }
  203 
  204 #endif /* FB_INSTALL_CDEV */
  205 
  206 static device_method_t isavga_methods[] = {
  207         DEVMETHOD(device_identify,      isavga_identify),
  208         DEVMETHOD(device_probe,         isavga_probe),
  209         DEVMETHOD(device_attach,        isavga_attach),
  210 
  211         DEVMETHOD(bus_print_child,      bus_generic_print_child),
  212         { 0, 0 }
  213 };
  214 
  215 static driver_t isavga_driver = {
  216         VGA_DRIVER_NAME,
  217         isavga_methods,
  218         sizeof(vga_softc_t),
  219 };
  220 
  221 DRIVER_MODULE(vga, isa, isavga_driver, isavga_devclass, 0, 0);

Cache object: 918d0d8a1074221abb82f5ad2aa05eb2


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.