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

   1 /* radeon_drv.c -- ATI Radeon driver -*- linux-c -*-
   2  * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
   3  */
   4 /*-
   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  * VA LINUX SYSTEMS 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
  25  * OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  * Authors:
  28  *    Gareth Hughes <gareth@valinux.com>
  29  *
  30  */
  31
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "radeon_drm.h"
  35 #include "radeon_drv.h"
  36 #include "drm_pciids.h"
  37
  38 int radeon_no_wb;
  39
  40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
  41 static drm_pci_id_list_t radeon_pciidlist[] = {
  42         radeon_PCI_IDS
  43 };
  44
  45 static void radeon_configure(struct drm_device *dev)
  46 {
  47         dev->driver->driver_features =
  48             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA |
  49             DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ;
  50
  51         dev->driver->buf_priv_size      = sizeof(drm_radeon_buf_priv_t);
  52         dev->driver->load               = radeon_driver_load;
  53         dev->driver->unload             = radeon_driver_unload;
  54         dev->driver->firstopen          = radeon_driver_firstopen;
  55         dev->driver->open               = radeon_driver_open;
  56         dev->driver->preclose           = radeon_driver_preclose;
  57         dev->driver->postclose          = radeon_driver_postclose;
  58         dev->driver->lastclose          = radeon_driver_lastclose;
  59         dev->driver->get_vblank_counter = radeon_get_vblank_counter;
  60         dev->driver->enable_vblank      = radeon_enable_vblank;
  61         dev->driver->disable_vblank     = radeon_disable_vblank;
  62         dev->driver->irq_preinstall     = radeon_driver_irq_preinstall;
  63         dev->driver->irq_postinstall    = radeon_driver_irq_postinstall;
  64         dev->driver->irq_uninstall      = radeon_driver_irq_uninstall;
  65         dev->driver->irq_handler        = radeon_driver_irq_handler;
  66         dev->driver->dma_ioctl          = radeon_cp_buffers;
  67
  68         dev->driver->ioctls             = radeon_ioctls;
  69         dev->driver->max_ioctl          = radeon_max_ioctl;
  70
  71         dev->driver->name               = DRIVER_NAME;
  72         dev->driver->desc               = DRIVER_DESC;
  73         dev->driver->date               = DRIVER_DATE;
  74         dev->driver->major              = DRIVER_MAJOR;
  75         dev->driver->minor              = DRIVER_MINOR;
  76         dev->driver->patchlevel         = DRIVER_PATCHLEVEL;
  77 }
  78
  79 #if defined(__FreeBSD__)
  80 static int
  81 radeon_probe(device_t kdev)
  82 {
  83         return drm_probe(kdev, radeon_pciidlist);
  84 }
  85
  86 static int
  87 radeon_attach(device_t kdev)
  88 {
  89         struct drm_device *dev = device_get_softc(kdev);
  90
  91         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
  92             M_WAITOK | M_ZERO);
  93
  94         radeon_configure(dev);
  95
  96         return drm_attach(kdev, radeon_pciidlist);
  97 }
  98
  99 static int
 100 radeon_detach(device_t kdev)
 101 {
 102         struct drm_device *dev = device_get_softc(kdev);
 103         int ret;
 104
 105         ret = drm_detach(kdev);
 106
 107         free(dev->driver, DRM_MEM_DRIVER);
 108
 109         return ret;
 110 }
 111
 112 static device_method_t radeon_methods[] = {
 113         /* Device interface */
 114         DEVMETHOD(device_probe,         radeon_probe),
 115         DEVMETHOD(device_attach,        radeon_attach),
 116         DEVMETHOD(device_detach,        radeon_detach),
 117
 118         { 0, 0 }
 119 };
 120
 121 static driver_t radeon_driver = {
 122         "drm",
 123         radeon_methods,
 124         sizeof(struct drm_device)
 125 };
 126
 127 extern devclass_t drm_devclass;
 128 #if __FreeBSD_version >= 700010
 129 DRIVER_MODULE(radeon, vgapci, radeon_driver, drm_devclass, 0, 0);
 130 #else
 131 DRIVER_MODULE(radeon, pci, radeon_driver, drm_devclass, 0, 0);
 132 #endif
 133 MODULE_DEPEND(radeon, drm, 1, 1, 1);
 134
 135 #elif   defined(__NetBSD__)
 136
 137 static bool
 138 radeondrm_suspend(device_t self, pmf_qual_t qual)
 139 {
 140         struct drm_device *rad_dev = device_private(self);
 141         drm_radeon_cp_stop_t stop_args;
 142
 143         stop_args.flush = stop_args.idle = 0;
 144         if (radeon_cp_stop(rad_dev, &stop_args, rad_dev->lock.file_priv) != 0)
 145                 return false;
 146
 147         return true;
 148 }
 149
 150 static bool
 151 radeondrm_resume(device_t self, pmf_qual_t qual)
 152 {
 153         struct drm_device *rad_dev = device_private(self);
 154         if (radeon_cp_resume(rad_dev, NULL, NULL) != 0)
 155                 return false;
 156
 157         return true;
 158 }
 159
 160 static int
 161 radeondrm_probe(device_t parent, cfdata_t match, void *aux)
 162 {
 163         struct pci_attach_args *pa = aux;
 164         return drm_probe(pa, radeon_pciidlist);
 165 }
 166
 167 static void
 168 radeondrm_attach(device_t parent, device_t self, void *aux)
 169 {
 170         struct pci_attach_args *pa = aux;
 171         struct drm_device *dev = device_private(self);
 172
 173         dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER,
 174             M_WAITOK | M_ZERO);
 175
 176         radeon_configure(dev);
 177
 178         if (!pmf_device_register(self, radeondrm_suspend, radeondrm_resume))
 179                 aprint_error_dev(self, "couldn't establish power handler\n");
 180
 181         drm_attach(self, pa, radeon_pciidlist);
 182 }
 183
 184 static int
 185 radeondrm_detach(device_t self, int flags)
 186 {
 187         pmf_device_deregister(self);
 188
 189         return drm_detach(self, flags);
 190 }
 191
 192 CFATTACH_DECL_NEW(radeondrm, sizeof(struct drm_device),
 193     radeondrm_probe, radeondrm_attach, radeondrm_detach, NULL);
 194
 195 #ifdef _MODULE
 196
 197 MODULE(MODULE_CLASS_DRIVER, radeondrm, NULL);
 198
 199 CFDRIVER_DECL(radeondrm, DV_DULL, NULL);
 200 extern struct cfattach radeondrm_ca;
 201 static int drmloc[] = { -1 };
 202 static struct cfparent drmparent = {
 203         "drm", "vga", DVUNIT_ANY
 204 };
 205 static struct cfdata radeondrm_cfdata[] = {
 206         {
 207                 .cf_name = "radeondrm",
 208                 .cf_atname = "radeondrm",
 209                 .cf_unit = 0,
 210                 .cf_fstate = FSTATE_STAR,
 211                 .cf_loc = drmloc,
 212                 .cf_flags = 0,
 213                 .cf_pspec = &drmparent,
 214         },
 215         { NULL }
 216 };
 217
 218 static int
 219 radeondrm_modcmd(modcmd_t cmd, void *arg)
 220 {
 221         int err;
 222
 223         switch (cmd) {
 224         case MODULE_CMD_INIT:
 225                 err = config_cfdriver_attach(&radeondrm_cd);
 226                 if (err)
 227                         return err;
 228                 err = config_cfattach_attach("radeondrm", &radeondrm_ca);
 229                 if (err) {
 230                         config_cfdriver_detach(&radeondrm_cd);
 231                         return err;
 232                 }
 233                 err = config_cfdata_attach(radeondrm_cfdata, 1);
 234                 if (err) {
 235                         config_cfattach_detach("radeondrm", &radeondrm_ca);
 236                         config_cfdriver_detach(&radeondrm_cd);
 237                         return err;
 238                 }
 239                 return 0;
 240         case MODULE_CMD_FINI:
 241                 err = config_cfdata_detach(radeondrm_cfdata);
 242                 if (err)
 243                         return err;
 244                 config_cfattach_detach("radeondrm", &radeondrm_ca);
 245                 config_cfdriver_detach(&radeondrm_cd);
 246                 return 0;
 247         default:
 248                 return ENOTTY;
 249         }
 250 }
 251 #endif /* _MODULE */
 252
 253 #endif