drivers/gpu/drm/nouveau/nouveau_drv.c

   1 /*
   2  * Copyright 2005 Stephane Marchesin.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include <linux/console.h>
  26 #include <linux/module.h>
  27
  28 #include "drmP.h"
  29 #include "drm.h"
  30 #include "drm_crtc_helper.h"
  31 #include "nouveau_drv.h"
  32 #include "nouveau_abi16.h"
  33 #include "nouveau_hw.h"
  34 #include "nouveau_fb.h"
  35 #include "nouveau_fbcon.h"
  36 #include "nouveau_fence.h"
  37 #include "nouveau_pm.h"
  38 #include "nv50_display.h"
  39
  40 #include "drm_pciids.h"
  41
  42 MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
  43 int nouveau_modeset = -1;
  44 module_param_named(modeset, nouveau_modeset, int, 0400);
  45
  46 MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
  47 int nouveau_vram_notify = 0;
  48 module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
  49
  50 MODULE_PARM_DESC(vram_type, "Override detected VRAM type");
  51 char *nouveau_vram_type;
  52 module_param_named(vram_type, nouveau_vram_type, charp, 0400);
  53
  54 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");
  55 int nouveau_duallink = 1;
  56 module_param_named(duallink, nouveau_duallink, int, 0400);
  57
  58 MODULE_PARM_DESC(uscript_lvds, "LVDS output script table ID (>=GeForce 8)");
  59 int nouveau_uscript_lvds = -1;
  60 module_param_named(uscript_lvds, nouveau_uscript_lvds, int, 0400);
  61
  62 MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
  63 int nouveau_uscript_tmds = -1;
  64 module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
  65
  66 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
  67 int nouveau_ignorelid = 0;
  68 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
  69
  70 MODULE_PARM_DESC(force_post, "Force POST");
  71 int nouveau_force_post = 0;
  72 module_param_named(force_post, nouveau_force_post, int, 0400);
  73
  74 MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
  75 int nouveau_override_conntype = 0;
  76 module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
  77
  78 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
  79 int nouveau_tv_disable = 0;
  80 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
  81
  82 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
  83                  "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
  84                  "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
  85                  "\t\tDefault: PAL\n"
  86                  "\t\t*NOTE* Ignored for cards with external TV encoders.");
  87 char *nouveau_tv_norm;
  88 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
  89
  90 MODULE_PARM_DESC(reg_debug, "Register access debug bitmask:\n"
  91                 "\t\t0x1 mc, 0x2 video, 0x4 fb, 0x8 extdev,\n"
  92                 "\t\t0x10 crtc, 0x20 ramdac, 0x40 vgacrtc, 0x80 rmvio,\n"
  93                 "\t\t0x100 vgaattr, 0x200 EVO (G80+)");
  94 int nouveau_reg_debug;
  95 module_param_named(reg_debug, nouveau_reg_debug, int, 0600);
  96
  97 MODULE_PARM_DESC(perflvl, "Performance level (default: boot)");
  98 char *nouveau_perflvl;
  99 module_param_named(perflvl, nouveau_perflvl, charp, 0400);
 100
 101 MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)");
 102 int nouveau_perflvl_wr;
 103 module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
 104
 105 MODULE_PARM_DESC(msi, "Enable MSI (default: off)");
 106 int nouveau_msi;
 107 module_param_named(msi, nouveau_msi, int, 0400);
 108
 109 MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)");
 110 int nouveau_ctxfw;
 111 module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
 112
 113 MODULE_PARM_DESC(mxmdcb, "Santise DCB table according to MXM-SIS");
 114 int nouveau_mxmdcb = 1;
 115 module_param_named(mxmdcb, nouveau_mxmdcb, int, 0400);
 116
 117 int nouveau_fbpercrtc;
 118 #if 0
 119 module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
 120 #endif
 121
 122 static struct drm_driver driver;
 123
 124 int __devinit
 125 nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 126 {
 127         return drm_get_pci_dev(pdev, ent, &driver);
 128 }
 129
 130 void
 131 nouveau_pci_remove(struct pci_dev *pdev)
 132 {
 133         struct drm_device *dev = pci_get_drvdata(pdev);
 134
 135         drm_put_dev(dev);
 136 }
 137
 138 int
 139 nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 140 {
 141         struct drm_device *dev = pci_get_drvdata(pdev);
 142         struct drm_crtc *crtc;
 143
 144         NV_INFO(dev, "Disabling display...\n");
 145         nouveau_display_fini(dev);
 146
 147         NV_INFO(dev, "Unpinning framebuffer(s)...\n");
 148         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 149                 struct nouveau_framebuffer *nouveau_fb;
 150
 151                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 152                 if (!nouveau_fb || !nouveau_fb->nvbo)
 153                         continue;
 154
 155                 nouveau_bo_unpin(nouveau_fb->nvbo);
 156         }
 157
 158         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 159                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 160
 161                 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
 162                 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
 163         }
 164
 165         return 0;
 166 }
 167
 168 int
 169 nouveau_pci_resume(struct pci_dev *pdev)
 170 {
 171         struct drm_device *dev = pci_get_drvdata(pdev);
 172         struct drm_crtc *crtc;
 173         int ret;
 174
 175         ret = nouveau_run_vbios_init(dev);
 176         if (ret)
 177                 return ret;
 178
 179         nouveau_irq_postinstall(dev);
 180
 181 #if 0
 182         /* Re-write SKIPS, they'll have been lost over the suspend */
 183         if (nouveau_vram_pushbuf) {
 184                 struct nouveau_channel *chan;
 185                 int j;
 186
 187                 for (i = 0; i < (pfifo ? pfifo->channels : 0); i++) {
 188                         chan = dev_priv->channels.ptr[i];
 189                         if (!chan || !chan->pushbuf_bo)
 190                                 continue;
 191
 192                         for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
 193                                 nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
 194                 }
 195         }
 196 #endif
 197
 198         nouveau_pm_resume(dev);
 199
 200         NV_INFO(dev, "Restoring mode...\n");
 201         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 202                 struct nouveau_framebuffer *nouveau_fb;
 203
 204                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 205                 if (!nouveau_fb || !nouveau_fb->nvbo)
 206                         continue;
 207
 208                 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
 209         }
 210
 211         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 212                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 213
 214                 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
 215                 if (!ret)
 216                         ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
 217                 if (ret)
 218                         NV_ERROR(dev, "Could not pin/map cursor.\n");
 219         }
 220
 221         nouveau_fbcon_set_suspend(dev, 0);
 222         nouveau_fbcon_zfill_all(dev);
 223
 224         nouveau_display_init(dev);
 225
 226         /* Force CLUT to get re-loaded during modeset */
 227         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 228                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 229
 230                 nv_crtc->lut.depth = 0;
 231         }
 232
 233         drm_helper_resume_force_mode(dev);
 234
 235         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 236                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 237                 u32 offset = nv_crtc->cursor.nvbo->bo.offset;
 238
 239                 nv_crtc->cursor.set_offset(nv_crtc, offset);
 240                 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
 241                                                  nv_crtc->cursor_saved_y);
 242         }
 243
 244         return 0;
 245 }
 246
 247 static struct drm_ioctl_desc nouveau_ioctls[] = {
 248         DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
 249         DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 250         DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
 251         DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
 252         DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
 253         DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
 254         DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
 255         DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
 256         DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
 257         DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
 258         DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
 259         DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
 260 };
 261
 262 static const struct file_operations nouveau_driver_fops = {
 263         .owner = THIS_MODULE,
 264         .open = drm_open,
 265         .release = drm_release,
 266         .unlocked_ioctl = drm_ioctl,
 267         .mmap = nouveau_ttm_mmap,
 268         .poll = drm_poll,
 269         .fasync = drm_fasync,
 270         .read = drm_read,
 271 #if defined(CONFIG_COMPAT)
 272         .compat_ioctl = nouveau_compat_ioctl,
 273 #endif
 274         .llseek = noop_llseek,
 275 };
 276
 277 int nouveau_drm_load(struct drm_device *, unsigned long);
 278 int nouveau_drm_unload(struct drm_device *);
 279 int  nouveau_drm_open(struct drm_device *, struct drm_file *);
 280 void nouveau_drm_preclose(struct drm_device *dev, struct drm_file *);
 281 void nouveau_drm_postclose(struct drm_device *, struct drm_file *);
 282
 283 static struct drm_driver driver = {
 284         .driver_features =
 285                 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 286                 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 287                 DRIVER_MODESET | DRIVER_PRIME,
 288         .load = nouveau_drm_load,
 289         .firstopen = nouveau_firstopen,
 290         .lastclose = nouveau_lastclose,
 291         .unload = nouveau_drm_unload,
 292         .open = nouveau_drm_open,
 293         .preclose = nouveau_drm_preclose,
 294         .postclose = nouveau_drm_postclose,
 295         .irq_preinstall = nouveau_irq_preinstall,
 296         .irq_postinstall = nouveau_irq_postinstall,
 297         .irq_uninstall = nouveau_irq_uninstall,
 298         .irq_handler = nouveau_irq_handler,
 299         .get_vblank_counter = drm_vblank_count,
 300         .enable_vblank = nouveau_vblank_enable,
 301         .disable_vblank = nouveau_vblank_disable,
 302         .ioctls = nouveau_ioctls,
 303         .fops = &nouveau_driver_fops,
 304
 305         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
 306         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
 307         .gem_prime_export = nouveau_gem_prime_export,
 308         .gem_prime_import = nouveau_gem_prime_import,
 309
 310         .gem_init_object = nouveau_gem_object_new,
 311         .gem_free_object = nouveau_gem_object_del,
 312         .gem_open_object = nouveau_gem_object_open,
 313         .gem_close_object = nouveau_gem_object_close,
 314
 315         .dumb_create = nouveau_display_dumb_create,
 316         .dumb_map_offset = nouveau_display_dumb_map_offset,
 317         .dumb_destroy = nouveau_display_dumb_destroy,
 318
 319         .name = DRIVER_NAME,
 320         .desc = DRIVER_DESC,
 321 #ifdef GIT_REVISION
 322         .date = GIT_REVISION,
 323 #else
 324         .date = DRIVER_DATE,
 325 #endif
 326         .major = DRIVER_MAJOR,
 327         .minor = DRIVER_MINOR,
 328         .patchlevel = DRIVER_PATCHLEVEL,
 329 };
 330
 331 int __init nouveau_init(struct pci_driver *pdrv)
 332 {
 333         driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
 334
 335         if (nouveau_modeset == -1) {
 336 #ifdef CONFIG_VGA_CONSOLE
 337                 if (vgacon_text_force())
 338                         nouveau_modeset = 0;
 339                 else
 340 #endif
 341                         nouveau_modeset = 1;
 342         }
 343
 344         if (!nouveau_modeset)
 345                 return 0;
 346
 347         nouveau_register_dsm_handler();
 348         return drm_pci_init(&driver, pdrv);
 349 }
 350
 351 void __exit nouveau_exit(struct pci_driver *pdrv)
 352 {
 353         if (!nouveau_modeset)
 354                 return;
 355
 356         drm_pci_exit(&driver, pdrv);
 357         nouveau_unregister_dsm_handler();
 358 }