2 * Copyright 2013 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Dave Airlie
31 * Definitions taken from spice-protocol, plus kernel driver specific bits.
34 #include <linux/dma-fence.h>
35 #include <linux/workqueue.h>
36 #include <linux/firmware.h>
37 #include <linux/platform_device.h>
39 #include <drm/drm_crtc.h>
40 #include <drm/drm_encoder.h>
41 #include <drm/drm_fb_helper.h>
42 #include <drm/drm_gem.h>
44 #include <drm/ttm/ttm_bo_api.h>
45 #include <drm/ttm/ttm_bo_driver.h>
46 /* just for ttm_validate_buffer */
47 #include <drm/ttm/ttm_execbuf_util.h>
48 #include <drm/ttm/ttm_module.h>
49 #include <drm/ttm/ttm_placement.h>
50 #include <drm/qxl_drm.h>
54 #define DRIVER_AUTHOR "Dave Airlie"
56 #define DRIVER_NAME "qxl"
57 #define DRIVER_DESC "RH QXL"
58 #define DRIVER_DATE "20120117"
60 #define DRIVER_MAJOR 0
61 #define DRIVER_MINOR 1
62 #define DRIVER_PATCHLEVEL 0
64 #define QXL_DEBUGFS_MAX_COMPONENTS 32
66 extern int qxl_num_crtc;
67 extern int qxl_max_ioctls;
69 #define DRM_FILE_OFFSET 0x100000000ULL
70 #define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT)
72 #define QXL_INTERRUPT_MASK (\
73 QXL_INTERRUPT_DISPLAY |\
74 QXL_INTERRUPT_CURSOR |\
75 QXL_INTERRUPT_IO_CMD |\
76 QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
79 /* Protected by gem.mutex */
80 struct list_head list;
81 /* Protected by tbo.reserved */
82 struct ttm_place placements[3];
83 struct ttm_placement placement;
84 struct ttm_buffer_object tbo;
85 struct ttm_bo_kmap_obj kmap;
90 /* Constant after initialization */
91 struct drm_gem_object gem_base;
92 bool is_primary; /* is this now a primary surface */
94 struct qxl_bo *shadow;
96 struct qxl_surface surf;
98 struct qxl_release *surf_create;
100 #define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, gem_base)
101 #define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo)
105 struct list_head objects;
109 struct ttm_validate_buffer tv;
113 struct drm_crtc base;
116 struct qxl_bo *cursor_bo;
121 struct drm_connector base;
122 struct drm_encoder enc;
125 #define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
126 #define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
127 #define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
130 struct ttm_bo_device bdev;
136 uint64_t start_phys_addr;
137 uint64_t end_phys_addr;
142 QXL_RELEASE_DRAWABLE,
143 QXL_RELEASE_SURFACE_CMD,
144 QXL_RELEASE_CURSOR_CMD,
147 /* drm_ prefix to differentiate from qxl_release_info in
148 * spice-protocol/qxl_dev.h */
149 #define QXL_MAX_RES 96
151 struct dma_fence base;
155 struct qxl_bo *release_bo;
156 uint32_t release_offset;
157 uint32_t surface_release_id;
158 struct ww_acquire_ctx ticket;
159 struct list_head bos;
162 struct qxl_drm_chunk {
163 struct list_head head;
167 struct qxl_drm_image {
169 struct list_head chunk_list;
172 struct qxl_fb_image {
173 struct qxl_device *qdev;
174 uint32_t pseudo_palette[16];
175 struct fb_image fb_image;
179 struct qxl_draw_fill {
180 struct qxl_device *qdev;
181 struct qxl_rect rect;
190 struct drm_info_list *files;
194 int qxl_debugfs_add_files(struct qxl_device *rdev,
195 struct drm_info_list *files,
197 int qxl_debugfs_fence_init(struct qxl_device *rdev);
202 struct drm_device ddev;
204 resource_size_t vram_base, vram_size;
205 resource_size_t surfaceram_base, surfaceram_size;
206 resource_size_t rom_base, rom_size;
209 struct qxl_mode *modes;
210 struct qxl_bo *monitors_config_bo;
211 struct qxl_monitors_config *monitors_config;
213 /* last received client_monitors_config */
214 struct qxl_monitors_config *client_monitors_config;
218 struct qxl_mman mman;
221 struct drm_fb_helper fb_helper;
225 struct qxl_ring *release_ring;
226 struct qxl_ring *command_ring;
227 struct qxl_ring *cursor_ring;
229 struct qxl_ram_header *ram_header;
231 bool primary_created;
233 struct qxl_memslot *mem_slots;
236 uint8_t main_mem_slot;
237 uint8_t surfaces_mem_slot;
238 uint8_t slot_id_bits;
239 uint8_t slot_gen_bits;
240 uint64_t va_slot_mask;
242 spinlock_t release_lock;
243 struct idr release_idr;
244 uint32_t release_seqno;
245 spinlock_t release_idr_lock;
246 struct mutex async_io_mutex;
247 unsigned int last_sent_io_cmd;
249 /* interrupt handling */
250 atomic_t irq_received;
251 atomic_t irq_received_display;
252 atomic_t irq_received_cursor;
253 atomic_t irq_received_io_cmd;
254 unsigned irq_received_error;
255 wait_queue_head_t display_event;
256 wait_queue_head_t cursor_event;
257 wait_queue_head_t io_cmd_event;
258 struct work_struct client_monitors_config_work;
261 struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
262 unsigned debugfs_count;
264 struct mutex update_area_mutex;
266 struct idr surf_id_idr;
267 spinlock_t surf_id_idr_lock;
268 int last_alloced_surf_id;
270 struct mutex surf_evict_mutex;
271 struct io_mapping *vram_mapping;
272 struct io_mapping *surface_mapping;
275 struct mutex release_mutex;
276 struct qxl_bo *current_release_bo[3];
277 int current_release_bo_offset[3];
279 struct work_struct gc_work;
281 struct drm_property *hotplug_mode_update_property;
282 int monitors_config_width;
283 int monitors_config_height;
286 extern const struct drm_ioctl_desc qxl_ioctls[];
287 extern int qxl_max_ioctl;
289 int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv,
290 struct pci_dev *pdev);
291 void qxl_device_fini(struct qxl_device *qdev);
293 int qxl_modeset_init(struct qxl_device *qdev);
294 void qxl_modeset_fini(struct qxl_device *qdev);
296 int qxl_bo_init(struct qxl_device *qdev);
297 void qxl_bo_fini(struct qxl_device *qdev);
299 void qxl_reinit_memslots(struct qxl_device *qdev);
300 int qxl_surf_evict(struct qxl_device *qdev);
301 int qxl_vram_evict(struct qxl_device *qdev);
303 struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
307 bool set_prod_notify,
308 wait_queue_head_t *push_event);
309 void qxl_ring_free(struct qxl_ring *ring);
310 void qxl_ring_init_hdr(struct qxl_ring *ring);
311 int qxl_check_idle(struct qxl_ring *ring);
314 qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
316 DRM_DEBUG_DRIVER("not implemented (%lu)\n", physical);
320 static inline uint64_t
321 qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
322 unsigned long offset)
324 int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
325 struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
327 /* TODO - need to hold one of the locks to read tbo.offset */
328 return slot->high_bits | (bo->tbo.offset + offset);
332 #define QXLFB_CONN_LIMIT 1
334 int qxl_fbdev_init(struct qxl_device *qdev);
335 void qxl_fbdev_fini(struct qxl_device *qdev);
338 void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
339 int qxl_create_monitors_object(struct qxl_device *qdev);
340 int qxl_destroy_monitors_object(struct qxl_device *qdev);
343 void qxl_gem_init(struct qxl_device *qdev);
344 void qxl_gem_fini(struct qxl_device *qdev);
345 int qxl_gem_object_create(struct qxl_device *qdev, int size,
346 int alignment, int initial_domain,
347 bool discardable, bool kernel,
348 struct qxl_surface *surf,
349 struct drm_gem_object **obj);
350 int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
351 struct drm_file *file_priv,
354 struct qxl_surface *surf,
355 struct qxl_bo **qobj,
357 void qxl_gem_object_free(struct drm_gem_object *gobj);
358 int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv);
359 void qxl_gem_object_close(struct drm_gem_object *obj,
360 struct drm_file *file_priv);
361 void qxl_bo_force_delete(struct qxl_device *qdev);
362 int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
365 int qxl_mode_dumb_create(struct drm_file *file_priv,
366 struct drm_device *dev,
367 struct drm_mode_create_dumb *args);
368 int qxl_mode_dumb_mmap(struct drm_file *filp,
369 struct drm_device *dev,
370 uint32_t handle, uint64_t *offset_p);
374 int qxl_ttm_init(struct qxl_device *qdev);
375 void qxl_ttm_fini(struct qxl_device *qdev);
376 int qxl_mmap(struct file *filp, struct vm_area_struct *vma);
380 int qxl_image_init(struct qxl_device *qdev,
381 struct qxl_release *release,
382 struct qxl_drm_image *dimage,
384 int x, int y, int width, int height,
385 int depth, int stride);
387 qxl_image_alloc_objects(struct qxl_device *qdev,
388 struct qxl_release *release,
389 struct qxl_drm_image **image_ptr,
390 int height, int stride);
391 void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage);
393 void qxl_update_screen(struct qxl_device *qxl);
395 /* qxl io operations (qxl_cmd.c) */
397 void qxl_io_create_primary(struct qxl_device *qdev,
400 void qxl_io_destroy_primary(struct qxl_device *qdev);
401 void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id);
402 void qxl_io_notify_oom(struct qxl_device *qdev);
404 int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,
405 const struct qxl_rect *area);
407 void qxl_io_reset(struct qxl_device *qdev);
408 void qxl_io_monitors_config(struct qxl_device *qdev);
409 int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible);
410 void qxl_io_flush_release(struct qxl_device *qdev);
411 void qxl_io_flush_surfaces(struct qxl_device *qdev);
413 union qxl_release_info *qxl_release_map(struct qxl_device *qdev,
414 struct qxl_release *release);
415 void qxl_release_unmap(struct qxl_device *qdev,
416 struct qxl_release *release,
417 union qxl_release_info *info);
418 int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo);
419 int qxl_release_reserve_list(struct qxl_release *release, bool no_intr);
420 void qxl_release_backoff_reserve_list(struct qxl_release *release);
421 void qxl_release_fence_buffer_objects(struct qxl_release *release);
423 int qxl_alloc_surface_release_reserved(struct qxl_device *qdev,
424 enum qxl_surface_cmd_type surface_cmd_type,
425 struct qxl_release *create_rel,
426 struct qxl_release **release);
427 int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
428 int type, struct qxl_release **release,
429 struct qxl_bo **rbo);
432 qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,
433 uint32_t type, bool interruptible);
435 qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,
436 uint32_t type, bool interruptible);
437 int qxl_alloc_bo_reserved(struct qxl_device *qdev,
438 struct qxl_release *release,
440 struct qxl_bo **_bo);
441 /* qxl drawing commands */
443 void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
444 int stride /* filled in if 0 */);
446 void qxl_draw_dirty_fb(struct qxl_device *qdev,
447 struct drm_framebuffer *fb,
449 unsigned flags, unsigned color,
450 struct drm_clip_rect *clips,
451 unsigned num_clips, int inc);
453 void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec);
455 void qxl_draw_copyarea(struct qxl_device *qdev,
456 u32 width, u32 height,
460 void qxl_release_free(struct qxl_device *qdev,
461 struct qxl_release *release);
463 /* used by qxl_debugfs_release */
464 struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev,
467 bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush);
468 int qxl_garbage_collect(struct qxl_device *qdev);
472 int qxl_debugfs_init(struct drm_minor *minor);
473 int qxl_ttm_debugfs_init(struct qxl_device *qdev);
476 int qxl_gem_prime_pin(struct drm_gem_object *obj);
477 void qxl_gem_prime_unpin(struct drm_gem_object *obj);
478 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj);
479 struct drm_gem_object *qxl_gem_prime_import_sg_table(
480 struct drm_device *dev, struct dma_buf_attachment *attach,
481 struct sg_table *sgt);
482 void *qxl_gem_prime_vmap(struct drm_gem_object *obj);
483 void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
484 int qxl_gem_prime_mmap(struct drm_gem_object *obj,
485 struct vm_area_struct *vma);
488 int qxl_irq_init(struct qxl_device *qdev);
489 irqreturn_t qxl_irq_handler(int irq, void *arg);
492 bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj);
494 int qxl_debugfs_add_files(struct qxl_device *qdev,
495 struct drm_info_list *files,
498 int qxl_surface_id_alloc(struct qxl_device *qdev,
499 struct qxl_bo *surf);
500 void qxl_surface_id_dealloc(struct qxl_device *qdev,
501 uint32_t surface_id);
502 int qxl_hw_surface_alloc(struct qxl_device *qdev,
504 struct ttm_mem_reg *mem);
505 int qxl_hw_surface_dealloc(struct qxl_device *qdev,
506 struct qxl_bo *surf);
508 int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo);
510 struct qxl_drv_surface *
511 qxl_surface_lookup(struct drm_device *dev, int surface_id);
512 void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing);