diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_drv.h')
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_drv.h | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h new file mode 100644 index 000000000..ee59ef2cb --- /dev/null +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -0,0 +1,477 @@ +/* + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + * Alon Levy + */ + +#ifndef QXL_DRV_H +#define QXL_DRV_H + +/* + * Definitions taken from spice-protocol, plus kernel driver specific bits. + */ + +#include <linux/dma-fence.h> +#include <linux/firmware.h> +#include <linux/platform_device.h> +#include <linux/workqueue.h> + +#include <drm/drm_crtc.h> +#include <drm/drm_encoder.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_gem_ttm_helper.h> +#include <drm/drm_ioctl.h> +#include <drm/drm_gem.h> +#include <drm/qxl_drm.h> +#include <drm/ttm/ttm_bo_api.h> +#include <drm/ttm/ttm_bo_driver.h> +#include <drm/ttm/ttm_execbuf_util.h> +#include <drm/ttm/ttm_module.h> +#include <drm/ttm/ttm_placement.h> + +#include "qxl_dev.h" + +#define DRIVER_AUTHOR "Dave Airlie" + +#define DRIVER_NAME "qxl" +#define DRIVER_DESC "RH QXL" +#define DRIVER_DATE "20120117" + +#define DRIVER_MAJOR 0 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +#define QXL_DEBUGFS_MAX_COMPONENTS 32 + +extern int qxl_num_crtc; +extern int qxl_max_ioctls; + +#define QXL_INTERRUPT_MASK (\ + QXL_INTERRUPT_DISPLAY |\ + QXL_INTERRUPT_CURSOR |\ + QXL_INTERRUPT_IO_CMD |\ + QXL_INTERRUPT_CLIENT_MONITORS_CONFIG) + +struct qxl_bo { + struct ttm_buffer_object tbo; + + /* Protected by gem.mutex */ + struct list_head list; + /* Protected by tbo.reserved */ + struct ttm_place placements[3]; + struct ttm_placement placement; + struct ttm_bo_kmap_obj kmap; + unsigned int pin_count; + void *kptr; + unsigned int map_count; + int type; + + /* Constant after initialization */ + unsigned int is_primary:1; /* is this now a primary surface */ + unsigned int is_dumb:1; + struct qxl_bo *shadow; + unsigned int hw_surf_alloc:1; + struct qxl_surface surf; + uint32_t surface_id; + struct qxl_release *surf_create; +}; +#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, tbo.base) +#define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo) + +struct qxl_gem { + struct mutex mutex; + struct list_head objects; +}; + +struct qxl_bo_list { + struct ttm_validate_buffer tv; +}; + +struct qxl_crtc { + struct drm_crtc base; + int index; + + struct qxl_bo *cursor_bo; +}; + +struct qxl_output { + int index; + struct drm_connector base; + struct drm_encoder enc; +}; + +#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base) +#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base) +#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc) + +struct qxl_mman { + struct ttm_bo_device bdev; +}; + +struct qxl_memslot { + int index; + const char *name; + uint8_t generation; + uint64_t start_phys_addr; + uint64_t size; + uint64_t high_bits; +}; + +enum { + QXL_RELEASE_DRAWABLE, + QXL_RELEASE_SURFACE_CMD, + QXL_RELEASE_CURSOR_CMD, +}; + +/* drm_ prefix to differentiate from qxl_release_info in + * spice-protocol/qxl_dev.h */ +#define QXL_MAX_RES 96 +struct qxl_release { + struct dma_fence base; + + int id; + int type; + struct qxl_bo *release_bo; + uint32_t release_offset; + uint32_t surface_release_id; + struct ww_acquire_ctx ticket; + struct list_head bos; +}; + +struct qxl_drm_chunk { + struct list_head head; + struct qxl_bo *bo; +}; + +struct qxl_drm_image { + struct qxl_bo *bo; + struct list_head chunk_list; +}; + +struct qxl_fb_image { + struct qxl_device *qdev; + uint32_t pseudo_palette[16]; + struct fb_image fb_image; + uint32_t visual; +}; + +struct qxl_draw_fill { + struct qxl_device *qdev; + struct qxl_rect rect; + uint32_t color; + uint16_t rop; +}; + +/* + * Debugfs + */ +struct qxl_debugfs { + struct drm_info_list *files; + unsigned int num_files; +}; + +int qxl_debugfs_fence_init(struct qxl_device *rdev); + +struct qxl_device { + struct drm_device ddev; + + resource_size_t vram_base, vram_size; + resource_size_t surfaceram_base, surfaceram_size; + resource_size_t rom_base, rom_size; + struct qxl_rom *rom; + + struct qxl_mode *modes; + struct qxl_bo *monitors_config_bo; + struct qxl_monitors_config *monitors_config; + + /* last received client_monitors_config */ + struct qxl_monitors_config *client_monitors_config; + + int io_base; + void *ram; + struct qxl_mman mman; + struct qxl_gem gem; + + void *ram_physical; + + struct qxl_ring *release_ring; + struct qxl_ring *command_ring; + struct qxl_ring *cursor_ring; + + struct qxl_ram_header *ram_header; + + struct qxl_bo *primary_bo; + struct qxl_bo *dumb_shadow_bo; + struct qxl_head *dumb_heads; + + struct qxl_memslot main_slot; + struct qxl_memslot surfaces_slot; + + spinlock_t release_lock; + struct idr release_idr; + uint32_t release_seqno; + spinlock_t release_idr_lock; + struct mutex async_io_mutex; + unsigned int last_sent_io_cmd; + + /* interrupt handling */ + atomic_t irq_received; + atomic_t irq_received_display; + atomic_t irq_received_cursor; + atomic_t irq_received_io_cmd; + unsigned int irq_received_error; + wait_queue_head_t display_event; + wait_queue_head_t cursor_event; + wait_queue_head_t io_cmd_event; + struct work_struct client_monitors_config_work; + + /* debugfs */ + struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS]; + unsigned int debugfs_count; + + struct mutex update_area_mutex; + + struct idr surf_id_idr; + spinlock_t surf_id_idr_lock; + int last_alloced_surf_id; + + struct mutex surf_evict_mutex; + struct io_mapping *vram_mapping; + struct io_mapping *surface_mapping; + + /* */ + struct mutex release_mutex; + struct qxl_bo *current_release_bo[3]; + int current_release_bo_offset[3]; + + struct work_struct gc_work; + + struct drm_property *hotplug_mode_update_property; + int monitors_config_width; + int monitors_config_height; +}; + +#define to_qxl(dev) container_of(dev, struct qxl_device, ddev) + +extern const struct drm_ioctl_desc qxl_ioctls[]; +extern int qxl_max_ioctl; + +int qxl_device_init(struct qxl_device *qdev, struct pci_dev *pdev); +void qxl_device_fini(struct qxl_device *qdev); + +int qxl_modeset_init(struct qxl_device *qdev); +void qxl_modeset_fini(struct qxl_device *qdev); + +int qxl_bo_init(struct qxl_device *qdev); +void qxl_bo_fini(struct qxl_device *qdev); + +void qxl_reinit_memslots(struct qxl_device *qdev); +int qxl_surf_evict(struct qxl_device *qdev); +int qxl_vram_evict(struct qxl_device *qdev); + +struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header, + int element_size, + int n_elements, + int prod_notify, + bool set_prod_notify, + wait_queue_head_t *push_event); +void qxl_ring_free(struct qxl_ring *ring); +void qxl_ring_init_hdr(struct qxl_ring *ring); +int qxl_check_idle(struct qxl_ring *ring); + +static inline uint64_t +qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo, + unsigned long offset) +{ + struct qxl_memslot *slot = + (bo->tbo.mem.mem_type == TTM_PL_VRAM) + ? &qdev->main_slot : &qdev->surfaces_slot; + + /* TODO - need to hold one of the locks to read bo->tbo.mem.start */ + + return slot->high_bits | ((bo->tbo.mem.start << PAGE_SHIFT) + offset); +} + +/* qxl_display.c */ +void qxl_display_read_client_monitors_config(struct qxl_device *qdev); +int qxl_create_monitors_object(struct qxl_device *qdev); +int qxl_destroy_monitors_object(struct qxl_device *qdev); + +/* qxl_gem.c */ +void qxl_gem_init(struct qxl_device *qdev); +void qxl_gem_fini(struct qxl_device *qdev); +int qxl_gem_object_create(struct qxl_device *qdev, int size, + int alignment, int initial_domain, + bool discardable, bool kernel, + struct qxl_surface *surf, + struct drm_gem_object **obj); +int qxl_gem_object_create_with_handle(struct qxl_device *qdev, + struct drm_file *file_priv, + u32 domain, + size_t size, + struct qxl_surface *surf, + struct drm_gem_object **gobj, + uint32_t *handle); +void qxl_gem_object_free(struct drm_gem_object *gobj); +int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); +void qxl_gem_object_close(struct drm_gem_object *obj, + struct drm_file *file_priv); +void qxl_bo_force_delete(struct qxl_device *qdev); +int qxl_bo_kmap(struct qxl_bo *bo, void **ptr); + +/* qxl_dumb.c */ +int qxl_mode_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +int qxl_mode_dumb_mmap(struct drm_file *filp, + struct drm_device *dev, + uint32_t handle, uint64_t *offset_p); + +/* qxl ttm */ +int qxl_ttm_init(struct qxl_device *qdev); +void qxl_ttm_fini(struct qxl_device *qdev); +int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev, + struct ttm_resource *mem); + +/* qxl image */ + +int qxl_image_init(struct qxl_device *qdev, + struct qxl_release *release, + struct qxl_drm_image *dimage, + const uint8_t *data, + int x, int y, int width, int height, + int depth, int stride); +int +qxl_image_alloc_objects(struct qxl_device *qdev, + struct qxl_release *release, + struct qxl_drm_image **image_ptr, + int height, int stride); +void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage); + +void qxl_update_screen(struct qxl_device *qxl); + +/* qxl io operations (qxl_cmd.c) */ + +void qxl_io_create_primary(struct qxl_device *qdev, + struct qxl_bo *bo); +void qxl_io_destroy_primary(struct qxl_device *qdev); +void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id); +void qxl_io_notify_oom(struct qxl_device *qdev); + +int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf, + const struct qxl_rect *area); + +void qxl_io_reset(struct qxl_device *qdev); +void qxl_io_monitors_config(struct qxl_device *qdev); +int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible); +void qxl_io_flush_release(struct qxl_device *qdev); +void qxl_io_flush_surfaces(struct qxl_device *qdev); + +union qxl_release_info *qxl_release_map(struct qxl_device *qdev, + struct qxl_release *release); +void qxl_release_unmap(struct qxl_device *qdev, + struct qxl_release *release, + union qxl_release_info *info); +int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo); +int qxl_release_reserve_list(struct qxl_release *release, bool no_intr); +void qxl_release_backoff_reserve_list(struct qxl_release *release); +void qxl_release_fence_buffer_objects(struct qxl_release *release); + +int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, + enum qxl_surface_cmd_type surface_cmd_type, + struct qxl_release *create_rel, + struct qxl_release **release); +int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size, + int type, struct qxl_release **release, + struct qxl_bo **rbo); + +int +qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release, + uint32_t type, bool interruptible); +int +qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release, + uint32_t type, bool interruptible); +int qxl_alloc_bo_reserved(struct qxl_device *qdev, + struct qxl_release *release, + unsigned long size, + struct qxl_bo **_bo); +/* qxl drawing commands */ + +void qxl_draw_dirty_fb(struct qxl_device *qdev, + struct drm_framebuffer *fb, + struct qxl_bo *bo, + unsigned int flags, unsigned int color, + struct drm_clip_rect *clips, + unsigned int num_clips, int inc, + uint32_t dumb_shadow_offset); + +void qxl_release_free(struct qxl_device *qdev, + struct qxl_release *release); + +/* used by qxl_debugfs_release */ +struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev, + uint64_t id); + +bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush); +int qxl_garbage_collect(struct qxl_device *qdev); + +/* debugfs */ + +void qxl_debugfs_init(struct drm_minor *minor); +void qxl_ttm_debugfs_init(struct qxl_device *qdev); + +/* qxl_prime.c */ +int qxl_gem_prime_pin(struct drm_gem_object *obj); +void qxl_gem_prime_unpin(struct drm_gem_object *obj); +struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object *qxl_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *sgt); +void *qxl_gem_prime_vmap(struct drm_gem_object *obj); +void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +int qxl_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma); + +/* qxl_irq.c */ +int qxl_irq_init(struct qxl_device *qdev); +irqreturn_t qxl_irq_handler(int irq, void *arg); + +void qxl_debugfs_add_files(struct qxl_device *qdev, + struct drm_info_list *files, + unsigned int nfiles); + +int qxl_surface_id_alloc(struct qxl_device *qdev, + struct qxl_bo *surf); +void qxl_surface_id_dealloc(struct qxl_device *qdev, + uint32_t surface_id); +int qxl_hw_surface_alloc(struct qxl_device *qdev, + struct qxl_bo *surf); +int qxl_hw_surface_dealloc(struct qxl_device *qdev, + struct qxl_bo *surf); + +int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo); + +struct qxl_drv_surface * +qxl_surface_lookup(struct drm_device *dev, int surface_id); +void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing); + +#endif |