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

   1 /* savage_drv.c -- Savage DRI driver
   2  */
   3 /*-
   4  * Copyright 2005 Eric Anholt
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * ERIC ANHOLT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  22  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Eric Anholt <anholt@FreeBSD.org>
  27  */
  28
  29 #include "drmP.h"
  30 #include "drm.h"
  31 #include "savage_drm.h"
  32 #include "savage_drv.h"
  33 #include "drm_pciids.h"
  34
  35 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  36 static drm_pci_id_list_t savage_pciidlist[] = {
  37         savage_PCI_IDS
  38 };
  39
  40 static void savage_configure(struct drm_device *dev)
  41 {
  42         dev->driver->driver_features =
  43             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
  44             DRIVER_HAVE_DMA;
  45
  46         dev->driver->buf_priv_size      = sizeof(drm_savage_buf_priv_t);
  47         dev->driver->load               = savage_driver_load;
  48         dev->driver->firstopen          = savage_driver_firstopen;
  49         dev->driver->lastclose          = savage_driver_lastclose;
  50         dev->driver->unload             = savage_driver_unload;
  51         dev->driver->reclaim_buffers_locked = savage_reclaim_buffers;
  52         dev->driver->dma_ioctl          = savage_bci_buffers;
  53
  54         dev->driver->ioctls             = savage_ioctls;
  55         dev->driver->max_ioctl          = savage_max_ioctl;
  56
  57         dev->driver->name               = DRIVER_NAME;
  58         dev->driver->desc               = DRIVER_DESC;
  59         dev->driver->date               = DRIVER_DATE;
  60         dev->driver->major              = DRIVER_MAJOR;
  61         dev->driver->minor              = DRIVER_MINOR;
  62         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  63 }
  64
  65 #if defined(__FreeBSD__)
  66
  67 static int
  68 savage_probe(device_t kdev)
  69 {
  70         return drm_probe(kdev, savage_pciidlist);
  71 }
  72
  73 static int
  74 savage_attach(device_t kdev)
  75 {
  76         struct drm_device *dev = device_get_softc(kdev);
  77
  78         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  79             M_WAITOK | M_ZERO);
  80
  81         savage_configure(dev);
  82
  83         return drm_attach(kdev, savage_pciidlist);
  84 }
  85
  86 static int
  87 savage_detach(device_t kdev)
  88 {
  89         struct drm_device *dev = device_get_softc(kdev);
  90         int ret;
  91
  92         ret = drm_detach(kdev);
  93
  94         free(dev->driver, DRM_MEM_DRIVER);
  95
  96         return ret;
  97 }
  98
  99 static device_method_t savage_methods[] = {
 100         /* Device interface */
 101         DEVMETHOD(device_probe,         savage_probe),
 102         DEVMETHOD(device_attach,        savage_attach),
 103         DEVMETHOD(device_detach,        savage_detach),
 104
 105         { 0, 0 }
 106 };
 107
 108 static driver_t savage_driver = {
 109         "drm",
 110         savage_methods,
 111         sizeof(struct drm_device)
 112 };
 113
 114 extern devclass_t drm_devclass;
 115 #if __FreeBSD_version >= 700010
 116 DRIVER_MODULE(savage, vgapci, savage_driver, drm_devclass, 0, 0);
 117 #else
 118 DRIVER_MODULE(savage, pci, savage_driver, drm_devclass, 0, 0);
 119 #endif
 120 MODULE_DEPEND(savage, drm, 1, 1, 1);
 121
 122 #elif   defined(__NetBSD__)
 123
 124 static int
 125 savagedrm_probe(device_t parent, cfdata_t match, void *aux)
 126 {
 127         struct pci_attach_args *pa = aux;
 128
 129         return drm_probe(pa, savage_pciidlist);
 130 }
 131
 132 static void
 133 savagedrm_attach(device_t parent, device_t self, void *aux)
 134 {
 135         struct pci_attach_args *pa = aux;
 136         struct drm_device *dev = device_private(self);
 137
 138         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 139             M_WAITOK | M_ZERO);
 140
 141         savage_configure(dev);
 142
 143         drm_attach(self, pa, savage_pciidlist);
 144 }
 145
 146 CFATTACH_DECL_NEW(savagedrm, sizeof(struct drm_device),
 147     savagedrm_probe, savagedrm_attach, drm_detach, NULL);
 148
 149 #ifdef _MODULE
 150
 151 MODULE(MODULE_CLASS_DRIVER, savagedrm, NULL);
 152
 153 CFDRIVER_DECL(savagedrm, DV_DULL, NULL);
 154 extern struct cfattach savagedrm_ca;
 155 static int drmloc[] = { -1 };
 156 static struct cfparent drmparent = {
 157         "drm", "vga", DVUNIT_ANY
 158 };
 159 static struct cfdata savagedrm_cfdata[] = {
 160         {
 161                 .cf_name = "savagedrm",
 162                 .cf_atname = "savagedrm",
 163                 .cf_unit = 0,
 164                 .cf_fstate = FSTATE_STAR,
 165                 .cf_loc = drmloc,
 166                 .cf_flags = 0,
 167                 .cf_pspec = &drmparent,
 168         },
 169         { NULL }
 170 };
 171
 172 static int
 173 savagedrm_modcmd(modcmd_t cmd, void *arg)
 174 {
 175         int err;
 176
 177         switch (cmd) {
 178         case MODULE_CMD_INIT:
 179                 err = config_cfdriver_attach(&savagedrm_cd);
 180                 if (err)
 181                         return err;
 182                 err = config_cfattach_attach("savagedrm", &savagedrm_ca);
 183                 if (err) {
 184                         config_cfdriver_detach(&savagedrm_cd);
 185                         return err;
 186                 }
 187                 err = config_cfdata_attach(savagedrm_cfdata, 1);
 188                 if (err) {
 189                         config_cfattach_detach("savagedrm", &savagedrm_ca);
 190                         config_cfdriver_detach(&savagedrm_cd);
 191                         return err;
 192                 }
 193                 return 0;
 194         case MODULE_CMD_FINI:
 195                 err = config_cfdata_detach(savagedrm_cfdata);
 196                 if (err)
 197                         return err;
 198                 config_cfattach_detach("savagedrm", &savagedrm_ca);
 199                 config_cfdriver_detach(&savagedrm_cd);
 200                 return 0;
 201         default:
 202                 return ENOTTY;
 203         }
 204 }
 205 #endif /* _MODULE */
 206
 207 #endif