sys/external/bsd/drm/dist/bsd-core/sis_drv.c

   1 /* sis.c -- sis driver -*- linux-c -*-
   2  */
   3 /*-
   4  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
   5  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the next
  16  * paragraph) shall be included in all copies or substantial portions of the
  17  * Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  23  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  24  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  25  * DEALINGS IN THE SOFTWARE.
  26  *
  27  */
  28
  29 #include "drmP.h"
  30 #include "sis_drm.h"
  31 #include "sis_drv.h"
  32 #include "drm_pciids.h"
  33
  34 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  35 static drm_pci_id_list_t sis_pciidlist[] = {
  36         sis_PCI_IDS
  37 };
  38
  39 static void sis_configure(struct drm_device *dev)
  40 {
  41         dev->driver->driver_features =
  42             DRIVER_USE_AGP | DRIVER_USE_MTRR;
  43
  44         dev->driver->buf_priv_size      = 1; /* No dev_priv */
  45         dev->driver->context_ctor       = sis_init_context;
  46         dev->driver->context_dtor       = sis_final_context;
  47
  48         dev->driver->ioctls             = sis_ioctls;
  49         dev->driver->max_ioctl          = sis_max_ioctl;
  50
  51         dev->driver->name               = DRIVER_NAME;
  52         dev->driver->desc               = DRIVER_DESC;
  53         dev->driver->date               = DRIVER_DATE;
  54         dev->driver->major              = DRIVER_MAJOR;
  55         dev->driver->minor              = DRIVER_MINOR;
  56         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  57 }
  58
  59 #if defined(__FreeBSD__)
  60
  61 static int
  62 sis_probe(device_t kdev)
  63 {
  64         return drm_probe(kdev, sis_pciidlist);
  65 }
  66
  67 static int
  68 sis_attach(device_t kdev)
  69 {
  70         struct drm_device *dev = device_get_softc(kdev);
  71
  72         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  73             M_WAITOK | M_ZERO);
  74
  75         sis_configure(dev);
  76
  77         return drm_attach(kdev, sis_pciidlist);
  78 }
  79
  80 static int
  81 sis_detach(device_t kdev)
  82 {
  83         struct drm_device *dev = device_get_softc(kdev);
  84         int ret;
  85
  86         ret = drm_detach(kdev);
  87
  88         free(dev->driver, DRM_MEM_DRIVER);
  89
  90         return ret;
  91 }
  92
  93 static device_method_t sis_methods[] = {
  94         /* Device interface */
  95         DEVMETHOD(device_probe,         sis_probe),
  96         DEVMETHOD(device_attach,        sis_attach),
  97         DEVMETHOD(device_detach,        sis_detach),
  98
  99         { 0, 0 }
 100 };
 101
 102 static driver_t sis_driver = {
 103         "drm",
 104         sis_methods,
 105         sizeof(struct drm_device)
 106 };
 107
 108 extern devclass_t drm_devclass;
 109 #if __FreeBSD_version >= 700010
 110 DRIVER_MODULE(sisdrm, vgapci, sis_driver, drm_devclass, 0, 0);
 111 #else
 112 DRIVER_MODULE(sisdrm, pci, sis_driver, drm_devclass, 0, 0);
 113 #endif
 114 MODULE_DEPEND(sisdrm, drm, 1, 1, 1);
 115
 116 #elif   defined(__NetBSD__)
 117
 118 static int
 119 sisdrm_probe(device_t parent, cfdata_t match, void *aux)
 120 {
 121         struct pci_attach_args *pa = aux;
 122
 123         return drm_probe(pa, sis_pciidlist);
 124 }
 125
 126 static void
 127 sisdrm_attach(device_t parent, device_t self, void *aux)
 128 {
 129         struct pci_attach_args *pa = aux;
 130         struct drm_device *dev = device_private(self);
 131
 132         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 133             M_WAITOK | M_ZERO);
 134
 135         sis_configure(dev);
 136
 137         drm_attach(self, pa, sis_pciidlist);
 138 }
 139
 140 CFATTACH_DECL_NEW(sisdrm, sizeof(struct drm_device),
 141     sisdrm_probe, sisdrm_attach, drm_detach, NULL);
 142
 143 #ifdef _MODULE
 144
 145 MODULE(MODULE_CLASS_DRIVER, sisdrm, NULL);
 146
 147 CFDRIVER_DECL(sisdrm, DV_DULL, NULL);
 148 extern struct cfattach sisdrm_ca;
 149 static int drmloc[] = { -1 };
 150 static struct cfparent drmparent = {
 151         "drm", "vga", DVUNIT_ANY
 152 };
 153 static struct cfdata sisdrm_cfdata[] = {
 154         {
 155                 .cf_name = "sisdrm",
 156                 .cf_atname = "sisdrm",
 157                 .cf_unit = 0,
 158                 .cf_fstate = FSTATE_STAR,
 159                 .cf_loc = drmloc,
 160                 .cf_flags = 0,
 161                 .cf_pspec = &drmparent,
 162         },
 163         { NULL }
 164 };
 165
 166 static int
 167 sisdrm_modcmd(modcmd_t cmd, void *arg)
 168 {
 169         int err;
 170
 171         switch (cmd) {
 172         case MODULE_CMD_INIT:
 173                 err = config_cfdriver_attach(&sisdrm_cd);
 174                 if (err)
 175                         return err;
 176                 err = config_cfattach_attach("sisdrm", &sisdrm_ca);
 177                 if (err) {
 178                         config_cfdriver_detach(&sisdrm_cd);
 179                         return err;
 180                 }
 181                 err = config_cfdata_attach(sisdrm_cfdata, 1);
 182                 if (err) {
 183                         config_cfattach_detach("sisdrm", &sisdrm_ca);
 184                         config_cfdriver_detach(&sisdrm_cd);
 185                         return err;
 186                 }
 187                 return 0;
 188         case MODULE_CMD_FINI:
 189                 err = config_cfdata_detach(sisdrm_cfdata);
 190                 if (err)
 191                         return err;
 192                 config_cfattach_detach("sisdrm", &sisdrm_ca);
 193                 config_cfdriver_detach(&sisdrm_cd);
 194                 return 0;
 195         default:
 196                 return ENOTTY;
 197         }
 198 }
 199 #endif /* _MODULE */
 200
 201 #endif