1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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 NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "vmwgfx_drv.h"
30 #include "ttm/ttm_placement.h"
31 #include "ttm/ttm_bo_driver.h"
32 #include "ttm/ttm_object.h"
33 #include "ttm/ttm_module.h"
35 #define VMWGFX_DRIVER_NAME "vmwgfx"
36 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
37 #define VMWGFX_CHIP_SVGAII 0
38 #define VMW_FB_RESERVATION 0
41 * Fully encoded drm commands. Might move to vmw_drm.h
44 #define DRM_IOCTL_VMW_GET_PARAM \
45 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
46 struct drm_vmw_getparam_arg)
47 #define DRM_IOCTL_VMW_ALLOC_DMABUF \
48 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
49 union drm_vmw_alloc_dmabuf_arg)
50 #define DRM_IOCTL_VMW_UNREF_DMABUF \
51 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
52 struct drm_vmw_unref_dmabuf_arg)
53 #define DRM_IOCTL_VMW_CURSOR_BYPASS \
54 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
55 struct drm_vmw_cursor_bypass_arg)
57 #define DRM_IOCTL_VMW_CONTROL_STREAM \
58 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
59 struct drm_vmw_control_stream_arg)
60 #define DRM_IOCTL_VMW_CLAIM_STREAM \
61 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
62 struct drm_vmw_stream_arg)
63 #define DRM_IOCTL_VMW_UNREF_STREAM \
64 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
65 struct drm_vmw_stream_arg)
67 #define DRM_IOCTL_VMW_CREATE_CONTEXT \
68 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
69 struct drm_vmw_context_arg)
70 #define DRM_IOCTL_VMW_UNREF_CONTEXT \
71 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
72 struct drm_vmw_context_arg)
73 #define DRM_IOCTL_VMW_CREATE_SURFACE \
74 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
75 union drm_vmw_surface_create_arg)
76 #define DRM_IOCTL_VMW_UNREF_SURFACE \
77 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
78 struct drm_vmw_surface_arg)
79 #define DRM_IOCTL_VMW_REF_SURFACE \
80 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
81 union drm_vmw_surface_reference_arg)
82 #define DRM_IOCTL_VMW_EXECBUF \
83 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
84 struct drm_vmw_execbuf_arg)
85 #define DRM_IOCTL_VMW_GET_3D_CAP \
86 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP, \
87 struct drm_vmw_get_3d_cap_arg)
88 #define DRM_IOCTL_VMW_FENCE_WAIT \
89 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
90 struct drm_vmw_fence_wait_arg)
91 #define DRM_IOCTL_VMW_FENCE_SIGNALED \
92 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED, \
93 struct drm_vmw_fence_signaled_arg)
94 #define DRM_IOCTL_VMW_FENCE_UNREF \
95 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF, \
96 struct drm_vmw_fence_arg)
99 * The core DRM version of this macro doesn't account for
103 #define VMW_IOCTL_DEF(ioctl, func, flags) \
104 [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
110 static struct drm_ioctl_desc vmw_ioctls[] = {
111 VMW_IOCTL_DEF(VMW_GET_PARAM, vmw_getparam_ioctl,
112 DRM_AUTH | DRM_UNLOCKED),
113 VMW_IOCTL_DEF(VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
114 DRM_AUTH | DRM_UNLOCKED),
115 VMW_IOCTL_DEF(VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
116 DRM_AUTH | DRM_UNLOCKED),
117 VMW_IOCTL_DEF(VMW_CURSOR_BYPASS,
118 vmw_kms_cursor_bypass_ioctl,
119 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
121 VMW_IOCTL_DEF(VMW_CONTROL_STREAM, vmw_overlay_ioctl,
122 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
123 VMW_IOCTL_DEF(VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
124 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
125 VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
126 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
128 VMW_IOCTL_DEF(VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
129 DRM_AUTH | DRM_UNLOCKED),
130 VMW_IOCTL_DEF(VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
131 DRM_AUTH | DRM_UNLOCKED),
132 VMW_IOCTL_DEF(VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
133 DRM_AUTH | DRM_UNLOCKED),
134 VMW_IOCTL_DEF(VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
135 DRM_AUTH | DRM_UNLOCKED),
136 VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl,
137 DRM_AUTH | DRM_UNLOCKED),
138 VMW_IOCTL_DEF(VMW_EXECBUF, vmw_execbuf_ioctl,
139 DRM_AUTH | DRM_UNLOCKED),
140 VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl,
141 DRM_AUTH | DRM_UNLOCKED),
142 VMW_IOCTL_DEF(VMW_FENCE_SIGNALED,
143 vmw_fence_obj_signaled_ioctl,
144 DRM_AUTH | DRM_UNLOCKED),
145 VMW_IOCTL_DEF(VMW_FENCE_UNREF, vmw_fence_obj_unref_ioctl,
146 DRM_AUTH | DRM_UNLOCKED),
147 VMW_IOCTL_DEF(VMW_GET_3D_CAP, vmw_get_cap_3d_ioctl,
148 DRM_AUTH | DRM_UNLOCKED),
151 static struct pci_device_id vmw_pci_id_list[] = {
152 {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
156 static int enable_fbdev;
158 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
159 static void vmw_master_init(struct vmw_master *);
160 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
163 MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
164 module_param_named(enable_fbdev, enable_fbdev, int, 0600);
166 static void vmw_print_capabilities(uint32_t capabilities)
168 DRM_INFO("Capabilities:\n");
169 if (capabilities & SVGA_CAP_RECT_COPY)
170 DRM_INFO(" Rect copy.\n");
171 if (capabilities & SVGA_CAP_CURSOR)
172 DRM_INFO(" Cursor.\n");
173 if (capabilities & SVGA_CAP_CURSOR_BYPASS)
174 DRM_INFO(" Cursor bypass.\n");
175 if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
176 DRM_INFO(" Cursor bypass 2.\n");
177 if (capabilities & SVGA_CAP_8BIT_EMULATION)
178 DRM_INFO(" 8bit emulation.\n");
179 if (capabilities & SVGA_CAP_ALPHA_CURSOR)
180 DRM_INFO(" Alpha cursor.\n");
181 if (capabilities & SVGA_CAP_3D)
183 if (capabilities & SVGA_CAP_EXTENDED_FIFO)
184 DRM_INFO(" Extended Fifo.\n");
185 if (capabilities & SVGA_CAP_MULTIMON)
186 DRM_INFO(" Multimon.\n");
187 if (capabilities & SVGA_CAP_PITCHLOCK)
188 DRM_INFO(" Pitchlock.\n");
189 if (capabilities & SVGA_CAP_IRQMASK)
190 DRM_INFO(" Irq mask.\n");
191 if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
192 DRM_INFO(" Display Topology.\n");
193 if (capabilities & SVGA_CAP_GMR)
195 if (capabilities & SVGA_CAP_TRACES)
196 DRM_INFO(" Traces.\n");
197 if (capabilities & SVGA_CAP_GMR2)
198 DRM_INFO(" GMR2.\n");
199 if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
200 DRM_INFO(" Screen Object 2.\n");
203 static int vmw_request_device(struct vmw_private *dev_priv)
207 ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
208 if (unlikely(ret != 0)) {
209 DRM_ERROR("Unable to initialize FIFO.\n");
212 vmw_fence_fifo_up(dev_priv->fman);
217 static void vmw_release_device(struct vmw_private *dev_priv)
219 vmw_fence_fifo_down(dev_priv->fman);
220 vmw_fifo_release(dev_priv, &dev_priv->fifo);
224 * Increase the 3d resource refcount.
225 * If the count was prevously zero, initialize the fifo, switching to svga
226 * mode. Note that the master holds a ref as well, and may request an
227 * explicit switch to svga mode if fb is not running, using @unhide_svga.
229 int vmw_3d_resource_inc(struct vmw_private *dev_priv,
234 mutex_lock(&dev_priv->release_mutex);
235 if (unlikely(dev_priv->num_3d_resources++ == 0)) {
236 ret = vmw_request_device(dev_priv);
237 if (unlikely(ret != 0))
238 --dev_priv->num_3d_resources;
239 } else if (unhide_svga) {
240 mutex_lock(&dev_priv->hw_mutex);
241 vmw_write(dev_priv, SVGA_REG_ENABLE,
242 vmw_read(dev_priv, SVGA_REG_ENABLE) &
243 ~SVGA_REG_ENABLE_HIDE);
244 mutex_unlock(&dev_priv->hw_mutex);
247 mutex_unlock(&dev_priv->release_mutex);
252 * Decrease the 3d resource refcount.
253 * If the count reaches zero, disable the fifo, switching to vga mode.
254 * Note that the master holds a refcount as well, and may request an
255 * explicit switch to vga mode when it releases its refcount to account
256 * for the situation of an X server vt switch to VGA with 3d resources
259 void vmw_3d_resource_dec(struct vmw_private *dev_priv,
264 mutex_lock(&dev_priv->release_mutex);
265 if (unlikely(--dev_priv->num_3d_resources == 0))
266 vmw_release_device(dev_priv);
267 else if (hide_svga) {
268 mutex_lock(&dev_priv->hw_mutex);
269 vmw_write(dev_priv, SVGA_REG_ENABLE,
270 vmw_read(dev_priv, SVGA_REG_ENABLE) |
271 SVGA_REG_ENABLE_HIDE);
272 mutex_unlock(&dev_priv->hw_mutex);
275 n3d = (int32_t) dev_priv->num_3d_resources;
276 mutex_unlock(&dev_priv->release_mutex);
281 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
283 struct vmw_private *dev_priv;
287 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
288 if (unlikely(dev_priv == NULL)) {
289 DRM_ERROR("Failed allocating a device private struct.\n");
292 memset(dev_priv, 0, sizeof(*dev_priv));
295 dev_priv->vmw_chipset = chipset;
296 dev_priv->last_read_seqno = (uint32_t) -100;
297 mutex_init(&dev_priv->hw_mutex);
298 mutex_init(&dev_priv->cmdbuf_mutex);
299 mutex_init(&dev_priv->release_mutex);
300 rwlock_init(&dev_priv->resource_lock);
301 idr_init(&dev_priv->context_idr);
302 idr_init(&dev_priv->surface_idr);
303 idr_init(&dev_priv->stream_idr);
304 mutex_init(&dev_priv->init_mutex);
305 init_waitqueue_head(&dev_priv->fence_queue);
306 init_waitqueue_head(&dev_priv->fifo_queue);
307 dev_priv->fence_queue_waiters = 0;
308 atomic_set(&dev_priv->fifo_queue_waiters, 0);
310 dev_priv->io_start = pci_resource_start(dev->pdev, 0);
311 dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
312 dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
314 dev_priv->enable_fb = enable_fbdev;
316 mutex_lock(&dev_priv->hw_mutex);
318 vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
319 svga_id = vmw_read(dev_priv, SVGA_REG_ID);
320 if (svga_id != SVGA_ID_2) {
322 DRM_ERROR("Unsuported SVGA ID 0x%x\n", svga_id);
323 mutex_unlock(&dev_priv->hw_mutex);
327 dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
329 if (dev_priv->capabilities & SVGA_CAP_GMR) {
330 dev_priv->max_gmr_descriptors =
332 SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH);
333 dev_priv->max_gmr_ids =
334 vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
336 if (dev_priv->capabilities & SVGA_CAP_GMR2) {
337 dev_priv->max_gmr_pages =
338 vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
339 dev_priv->memory_size =
340 vmw_read(dev_priv, SVGA_REG_MEMORY_SIZE);
343 dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
344 dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
345 dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
346 dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
348 mutex_unlock(&dev_priv->hw_mutex);
350 vmw_print_capabilities(dev_priv->capabilities);
352 if (dev_priv->capabilities & SVGA_CAP_GMR) {
353 DRM_INFO("Max GMR ids is %u\n",
354 (unsigned)dev_priv->max_gmr_ids);
355 DRM_INFO("Max GMR descriptors is %u\n",
356 (unsigned)dev_priv->max_gmr_descriptors);
358 if (dev_priv->capabilities & SVGA_CAP_GMR2) {
359 DRM_INFO("Max number of GMR pages is %u\n",
360 (unsigned)dev_priv->max_gmr_pages);
361 DRM_INFO("Max dedicated hypervisor graphics memory is %u\n",
362 (unsigned)dev_priv->memory_size);
364 DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
365 dev_priv->vram_start, dev_priv->vram_size / 1024);
366 DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
367 dev_priv->mmio_start, dev_priv->mmio_size / 1024);
369 ret = vmw_ttm_global_init(dev_priv);
370 if (unlikely(ret != 0))
374 vmw_master_init(&dev_priv->fbdev_master);
375 ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
376 dev_priv->active_master = &dev_priv->fbdev_master;
379 ret = ttm_bo_device_init(&dev_priv->bdev,
380 dev_priv->bo_global_ref.ref.object,
381 &vmw_bo_driver, VMWGFX_FILE_PAGE_OFFSET,
383 if (unlikely(ret != 0)) {
384 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
388 ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
389 (dev_priv->vram_size >> PAGE_SHIFT));
390 if (unlikely(ret != 0)) {
391 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
395 dev_priv->has_gmr = true;
396 if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
397 dev_priv->max_gmr_ids) != 0) {
398 DRM_INFO("No GMR memory available. "
399 "Graphics memory resources are very limited.\n");
400 dev_priv->has_gmr = false;
403 dev_priv->mmio_mtrr = drm_mtrr_add(dev_priv->mmio_start,
404 dev_priv->mmio_size, DRM_MTRR_WC);
406 dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
407 dev_priv->mmio_size);
409 if (unlikely(dev_priv->mmio_virt == NULL)) {
411 DRM_ERROR("Failed mapping MMIO.\n");
415 /* Need mmio memory to check for fifo pitchlock cap. */
416 if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
417 !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
418 !vmw_fifo_have_pitchlock(dev_priv)) {
420 DRM_ERROR("Hardware has no pitchlock\n");
424 dev_priv->tdev = ttm_object_device_init
425 (dev_priv->mem_global_ref.object, 12);
427 if (unlikely(dev_priv->tdev == NULL)) {
428 DRM_ERROR("Unable to initialize TTM object management.\n");
433 dev->dev_private = dev_priv;
435 ret = pci_request_regions(dev->pdev, "vmwgfx probe");
436 dev_priv->stealth = (ret != 0);
437 if (dev_priv->stealth) {
439 * Request at least the mmio PCI resource.
442 DRM_INFO("It appears like vesafb is loaded. "
443 "Ignore above error if any.\n");
444 ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
445 if (unlikely(ret != 0)) {
446 DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
451 dev_priv->fman = vmw_fence_manager_init(dev_priv);
452 if (unlikely(dev_priv->fman == NULL))
454 ret = vmw_kms_init(dev_priv);
455 if (unlikely(ret != 0))
457 vmw_overlay_init(dev_priv);
458 if (dev_priv->enable_fb) {
459 ret = vmw_3d_resource_inc(dev_priv, false);
460 if (unlikely(ret != 0))
462 vmw_kms_save_vga(dev_priv);
463 vmw_fb_init(dev_priv);
464 DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ?
465 "Detected device 3D availability.\n" :
466 "Detected no device 3D availability.\n");
468 DRM_INFO("Delayed 3D detection since we're not "
469 "running the device in SVGA mode yet.\n");
472 if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
473 ret = drm_irq_install(dev);
474 if (unlikely(ret != 0)) {
475 DRM_ERROR("Failed installing irq: %d\n", ret);
480 dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
481 register_pm_notifier(&dev_priv->pm_nb);
486 if (dev_priv->enable_fb) {
487 vmw_fb_close(dev_priv);
488 vmw_kms_restore_vga(dev_priv);
489 vmw_3d_resource_dec(dev_priv, false);
492 vmw_overlay_close(dev_priv);
493 vmw_kms_close(dev_priv);
495 vmw_fence_manager_takedown(dev_priv->fman);
497 if (dev_priv->stealth)
498 pci_release_region(dev->pdev, 2);
500 pci_release_regions(dev->pdev);
502 ttm_object_device_release(&dev_priv->tdev);
504 iounmap(dev_priv->mmio_virt);
506 drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
507 dev_priv->mmio_size, DRM_MTRR_WC);
508 if (dev_priv->has_gmr)
509 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
510 (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
512 (void)ttm_bo_device_release(&dev_priv->bdev);
514 vmw_ttm_global_release(dev_priv);
516 idr_destroy(&dev_priv->surface_idr);
517 idr_destroy(&dev_priv->context_idr);
518 idr_destroy(&dev_priv->stream_idr);
523 static int vmw_driver_unload(struct drm_device *dev)
525 struct vmw_private *dev_priv = vmw_priv(dev);
527 unregister_pm_notifier(&dev_priv->pm_nb);
529 if (dev_priv->ctx.cmd_bounce)
530 vfree(dev_priv->ctx.cmd_bounce);
531 if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
532 drm_irq_uninstall(dev_priv->dev);
533 if (dev_priv->enable_fb) {
534 vmw_fb_close(dev_priv);
535 vmw_kms_restore_vga(dev_priv);
536 vmw_3d_resource_dec(dev_priv, false);
538 vmw_kms_close(dev_priv);
539 vmw_overlay_close(dev_priv);
540 vmw_fence_manager_takedown(dev_priv->fman);
541 if (dev_priv->stealth)
542 pci_release_region(dev->pdev, 2);
544 pci_release_regions(dev->pdev);
546 ttm_object_device_release(&dev_priv->tdev);
547 iounmap(dev_priv->mmio_virt);
548 drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
549 dev_priv->mmio_size, DRM_MTRR_WC);
550 if (dev_priv->has_gmr)
551 (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
552 (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
553 (void)ttm_bo_device_release(&dev_priv->bdev);
554 vmw_ttm_global_release(dev_priv);
555 idr_destroy(&dev_priv->surface_idr);
556 idr_destroy(&dev_priv->context_idr);
557 idr_destroy(&dev_priv->stream_idr);
564 static void vmw_postclose(struct drm_device *dev,
565 struct drm_file *file_priv)
567 struct vmw_fpriv *vmw_fp;
569 vmw_fp = vmw_fpriv(file_priv);
570 ttm_object_file_release(&vmw_fp->tfile);
571 if (vmw_fp->locked_master)
572 drm_master_put(&vmw_fp->locked_master);
576 static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
578 struct vmw_private *dev_priv = vmw_priv(dev);
579 struct vmw_fpriv *vmw_fp;
582 vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
583 if (unlikely(vmw_fp == NULL))
586 vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
587 if (unlikely(vmw_fp->tfile == NULL))
590 file_priv->driver_priv = vmw_fp;
592 if (unlikely(dev_priv->bdev.dev_mapping == NULL))
593 dev_priv->bdev.dev_mapping =
594 file_priv->filp->f_path.dentry->d_inode->i_mapping;
603 static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
606 struct drm_file *file_priv = filp->private_data;
607 struct drm_device *dev = file_priv->minor->dev;
608 unsigned int nr = DRM_IOCTL_NR(cmd);
611 * Do extra checking on driver private ioctls.
614 if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
615 && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
616 struct drm_ioctl_desc *ioctl =
617 &vmw_ioctls[nr - DRM_COMMAND_BASE];
619 if (unlikely(ioctl->cmd_drv != cmd)) {
620 DRM_ERROR("Invalid command format, ioctl %d\n",
621 nr - DRM_COMMAND_BASE);
626 return drm_ioctl(filp, cmd, arg);
629 static int vmw_firstopen(struct drm_device *dev)
631 struct vmw_private *dev_priv = vmw_priv(dev);
632 dev_priv->is_opened = true;
637 static void vmw_lastclose(struct drm_device *dev)
639 struct vmw_private *dev_priv = vmw_priv(dev);
640 struct drm_crtc *crtc;
641 struct drm_mode_set set;
645 * Do nothing on the lastclose call from drm_unload.
648 if (!dev_priv->is_opened)
651 dev_priv->is_opened = false;
656 set.connectors = NULL;
657 set.num_connectors = 0;
659 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
661 ret = crtc->funcs->set_config(&set);
667 static void vmw_master_init(struct vmw_master *vmaster)
669 ttm_lock_init(&vmaster->lock);
670 INIT_LIST_HEAD(&vmaster->fb_surf);
671 mutex_init(&vmaster->fb_surf_mutex);
674 static int vmw_master_create(struct drm_device *dev,
675 struct drm_master *master)
677 struct vmw_master *vmaster;
679 vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
680 if (unlikely(vmaster == NULL))
683 vmw_master_init(vmaster);
684 ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
685 master->driver_priv = vmaster;
690 static void vmw_master_destroy(struct drm_device *dev,
691 struct drm_master *master)
693 struct vmw_master *vmaster = vmw_master(master);
695 master->driver_priv = NULL;
700 static int vmw_master_set(struct drm_device *dev,
701 struct drm_file *file_priv,
704 struct vmw_private *dev_priv = vmw_priv(dev);
705 struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
706 struct vmw_master *active = dev_priv->active_master;
707 struct vmw_master *vmaster = vmw_master(file_priv->master);
710 if (!dev_priv->enable_fb) {
711 ret = vmw_3d_resource_inc(dev_priv, true);
712 if (unlikely(ret != 0))
714 vmw_kms_save_vga(dev_priv);
715 mutex_lock(&dev_priv->hw_mutex);
716 vmw_write(dev_priv, SVGA_REG_TRACES, 0);
717 mutex_unlock(&dev_priv->hw_mutex);
721 BUG_ON(active != &dev_priv->fbdev_master);
722 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
723 if (unlikely(ret != 0))
724 goto out_no_active_lock;
726 ttm_lock_set_kill(&active->lock, true, SIGTERM);
727 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
728 if (unlikely(ret != 0)) {
729 DRM_ERROR("Unable to clean VRAM on "
733 dev_priv->active_master = NULL;
736 ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
738 ttm_vt_unlock(&vmaster->lock);
739 BUG_ON(vmw_fp->locked_master != file_priv->master);
740 drm_master_put(&vmw_fp->locked_master);
743 dev_priv->active_master = vmaster;
748 if (!dev_priv->enable_fb) {
749 mutex_lock(&dev_priv->hw_mutex);
750 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
751 mutex_unlock(&dev_priv->hw_mutex);
752 vmw_kms_restore_vga(dev_priv);
753 vmw_3d_resource_dec(dev_priv, true);
758 static void vmw_master_drop(struct drm_device *dev,
759 struct drm_file *file_priv,
762 struct vmw_private *dev_priv = vmw_priv(dev);
763 struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
764 struct vmw_master *vmaster = vmw_master(file_priv->master);
768 * Make sure the master doesn't disappear while we have
772 vmw_fp->locked_master = drm_master_get(file_priv->master);
773 ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
774 vmw_kms_idle_workqueues(vmaster);
776 if (unlikely((ret != 0))) {
777 DRM_ERROR("Unable to lock TTM at VT switch.\n");
778 drm_master_put(&vmw_fp->locked_master);
781 ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
783 if (!dev_priv->enable_fb) {
784 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
785 if (unlikely(ret != 0))
786 DRM_ERROR("Unable to clean VRAM on master drop.\n");
787 mutex_lock(&dev_priv->hw_mutex);
788 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
789 mutex_unlock(&dev_priv->hw_mutex);
790 vmw_kms_restore_vga(dev_priv);
791 vmw_3d_resource_dec(dev_priv, true);
794 dev_priv->active_master = &dev_priv->fbdev_master;
795 ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
796 ttm_vt_unlock(&dev_priv->fbdev_master.lock);
798 if (dev_priv->enable_fb)
803 static void vmw_remove(struct pci_dev *pdev)
805 struct drm_device *dev = pci_get_drvdata(pdev);
810 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
813 struct vmw_private *dev_priv =
814 container_of(nb, struct vmw_private, pm_nb);
815 struct vmw_master *vmaster = dev_priv->active_master;
818 case PM_HIBERNATION_PREPARE:
819 case PM_SUSPEND_PREPARE:
820 ttm_suspend_lock(&vmaster->lock);
823 * This empties VRAM and unbinds all GMR bindings.
824 * Buffer contents is moved to swappable memory.
826 ttm_bo_swapout_all(&dev_priv->bdev);
829 case PM_POST_HIBERNATION:
830 case PM_POST_SUSPEND:
831 case PM_POST_RESTORE:
832 ttm_suspend_unlock(&vmaster->lock);
835 case PM_RESTORE_PREPARE:
844 * These might not be needed with the virtual SVGA device.
847 static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
849 struct drm_device *dev = pci_get_drvdata(pdev);
850 struct vmw_private *dev_priv = vmw_priv(dev);
852 if (dev_priv->num_3d_resources != 0) {
853 DRM_INFO("Can't suspend or hibernate "
854 "while 3D resources are active.\n");
858 pci_save_state(pdev);
859 pci_disable_device(pdev);
860 pci_set_power_state(pdev, PCI_D3hot);
864 static int vmw_pci_resume(struct pci_dev *pdev)
866 pci_set_power_state(pdev, PCI_D0);
867 pci_restore_state(pdev);
868 return pci_enable_device(pdev);
871 static int vmw_pm_suspend(struct device *kdev)
873 struct pci_dev *pdev = to_pci_dev(kdev);
874 struct pm_message dummy;
878 return vmw_pci_suspend(pdev, dummy);
881 static int vmw_pm_resume(struct device *kdev)
883 struct pci_dev *pdev = to_pci_dev(kdev);
885 return vmw_pci_resume(pdev);
888 static int vmw_pm_prepare(struct device *kdev)
890 struct pci_dev *pdev = to_pci_dev(kdev);
891 struct drm_device *dev = pci_get_drvdata(pdev);
892 struct vmw_private *dev_priv = vmw_priv(dev);
895 * Release 3d reference held by fbdev and potentially
898 dev_priv->suspended = true;
899 if (dev_priv->enable_fb)
900 vmw_3d_resource_dec(dev_priv, true);
902 if (dev_priv->num_3d_resources != 0) {
904 DRM_INFO("Can't suspend or hibernate "
905 "while 3D resources are active.\n");
907 if (dev_priv->enable_fb)
908 vmw_3d_resource_inc(dev_priv, true);
909 dev_priv->suspended = false;
916 static void vmw_pm_complete(struct device *kdev)
918 struct pci_dev *pdev = to_pci_dev(kdev);
919 struct drm_device *dev = pci_get_drvdata(pdev);
920 struct vmw_private *dev_priv = vmw_priv(dev);
923 * Reclaim 3d reference held by fbdev and potentially
926 if (dev_priv->enable_fb)
927 vmw_3d_resource_inc(dev_priv, false);
929 dev_priv->suspended = false;
932 static const struct dev_pm_ops vmw_pm_ops = {
933 .prepare = vmw_pm_prepare,
934 .complete = vmw_pm_complete,
935 .suspend = vmw_pm_suspend,
936 .resume = vmw_pm_resume,
939 static struct drm_driver driver = {
940 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
942 .load = vmw_driver_load,
943 .unload = vmw_driver_unload,
944 .firstopen = vmw_firstopen,
945 .lastclose = vmw_lastclose,
946 .irq_preinstall = vmw_irq_preinstall,
947 .irq_postinstall = vmw_irq_postinstall,
948 .irq_uninstall = vmw_irq_uninstall,
949 .irq_handler = vmw_irq_handler,
950 .get_vblank_counter = vmw_get_vblank_counter,
951 .reclaim_buffers_locked = NULL,
952 .ioctls = vmw_ioctls,
953 .num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
954 .dma_quiescent = NULL, /*vmw_dma_quiescent, */
955 .master_create = vmw_master_create,
956 .master_destroy = vmw_master_destroy,
957 .master_set = vmw_master_set,
958 .master_drop = vmw_master_drop,
959 .open = vmw_driver_open,
960 .postclose = vmw_postclose,
962 .owner = THIS_MODULE,
964 .release = drm_release,
965 .unlocked_ioctl = vmw_unlocked_ioctl,
968 .fasync = drm_fasync,
969 #if defined(CONFIG_COMPAT)
970 .compat_ioctl = drm_compat_ioctl,
972 .llseek = noop_llseek,
974 .name = VMWGFX_DRIVER_NAME,
975 .desc = VMWGFX_DRIVER_DESC,
976 .date = VMWGFX_DRIVER_DATE,
977 .major = VMWGFX_DRIVER_MAJOR,
978 .minor = VMWGFX_DRIVER_MINOR,
979 .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
982 static struct pci_driver vmw_pci_driver = {
983 .name = VMWGFX_DRIVER_NAME,
984 .id_table = vmw_pci_id_list,
986 .remove = vmw_remove,
992 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
994 return drm_get_pci_dev(pdev, ent, &driver);
997 static int __init vmwgfx_init(void)
1000 ret = drm_pci_init(&driver, &vmw_pci_driver);
1002 DRM_ERROR("Failed initializing DRM.\n");
1006 static void __exit vmwgfx_exit(void)
1008 drm_pci_exit(&driver, &vmw_pci_driver);
1011 module_init(vmwgfx_init);
1012 module_exit(vmwgfx_exit);
1014 MODULE_AUTHOR("VMware Inc. and others");
1015 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1016 MODULE_LICENSE("GPL and additional rights");
1017 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "."
1018 __stringify(VMWGFX_DRIVER_MINOR) "."
1019 __stringify(VMWGFX_DRIVER_PATCHLEVEL) "."