| /* |
| * drivers/gpu/drm/omapdrm/omap_drv.h |
| * |
| * Copyright (C) 2011 Texas Instruments |
| * Author: Rob Clark <rob@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __OMAP_DRV_H__ |
| #define __OMAP_DRV_H__ |
| |
| #include <linux/module.h> |
| #include <linux/platform_data/omap_drm.h> |
| #include <linux/types.h> |
| #include <linux/wait.h> |
| #include <video/omapdss.h> |
| |
| #include <drm/drmP.h> |
| #include <drm/drm_crtc_helper.h> |
| #include <drm/drm_gem.h> |
| #include <drm/omap_drm.h> |
| |
| #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) |
| #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */ |
| |
| #define MODULE_NAME "omapdrm" |
| |
| /* max # of mapper-id's that can be assigned.. todo, come up with a better |
| * (but still inexpensive) way to store/access per-buffer mapper private |
| * data.. |
| */ |
| #define MAX_MAPPERS 2 |
| |
| /* parameters which describe (unrotated) coordinates of scanout within a fb: */ |
| struct omap_drm_window { |
| uint32_t rotation; |
| int32_t crtc_x, crtc_y; /* signed because can be offscreen */ |
| uint32_t crtc_w, crtc_h; |
| uint32_t src_x, src_y; |
| uint32_t src_w, src_h; |
| }; |
| |
| /* For transiently registering for different DSS irqs that various parts |
| * of the KMS code need during setup/configuration. We these are not |
| * necessarily the same as what drm_vblank_get/put() are requesting, and |
| * the hysteresis in drm_vblank_put() is not necessarily desirable for |
| * internal housekeeping related irq usage. |
| */ |
| struct omap_drm_irq { |
| struct list_head node; |
| uint32_t irqmask; |
| bool registered; |
| void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus); |
| }; |
| |
| /* For KMS code that needs to wait for a certain # of IRQs: |
| */ |
| struct omap_irq_wait; |
| struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev, |
| uint32_t irqmask, int count); |
| int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait, |
| unsigned long timeout); |
| |
| struct omap_drm_private { |
| uint32_t omaprev; |
| |
| unsigned int num_crtcs; |
| struct drm_crtc *crtcs[8]; |
| |
| unsigned int num_planes; |
| struct drm_plane *planes[8]; |
| |
| unsigned int num_encoders; |
| struct drm_encoder *encoders[8]; |
| |
| unsigned int num_connectors; |
| struct drm_connector *connectors[8]; |
| |
| struct drm_fb_helper *fbdev; |
| |
| struct workqueue_struct *wq; |
| |
| /* lock for obj_list below */ |
| spinlock_t list_lock; |
| |
| /* list of GEM objects: */ |
| struct list_head obj_list; |
| |
| bool has_dmm; |
| |
| /* properties: */ |
| struct drm_property *zorder_prop; |
| |
| /* irq handling: */ |
| struct list_head irq_list; /* list of omap_drm_irq */ |
| uint32_t vblank_mask; /* irq bits set for userspace vblank */ |
| struct omap_drm_irq error_handler; |
| |
| /* atomic commit */ |
| struct { |
| struct list_head events; |
| wait_queue_head_t wait; |
| u32 pending; |
| spinlock_t lock; /* Protects commit.pending */ |
| } commit; |
| }; |
| |
| |
| #ifdef CONFIG_DEBUG_FS |
| int omap_debugfs_init(struct drm_minor *minor); |
| void omap_debugfs_cleanup(struct drm_minor *minor); |
| void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); |
| void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m); |
| void omap_gem_describe_objects(struct list_head *list, struct seq_file *m); |
| #endif |
| |
| #ifdef CONFIG_PM |
| int omap_gem_resume(struct device *dev); |
| #endif |
| |
| int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id); |
| void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id); |
| void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); |
| void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); |
| void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq); |
| void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq); |
| void omap_drm_irq_uninstall(struct drm_device *dev); |
| int omap_drm_irq_install(struct drm_device *dev); |
| |
| struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); |
| void omap_fbdev_free(struct drm_device *dev); |
| |
| struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc); |
| enum omap_channel omap_crtc_channel(struct drm_crtc *crtc); |
| void omap_crtc_pre_init(void); |
| void omap_crtc_pre_uninit(void); |
| struct drm_crtc *omap_crtc_init(struct drm_device *dev, |
| struct drm_plane *plane, enum omap_channel channel, int id); |
| int omap_crtc_wait_pending(struct drm_crtc *crtc); |
| |
| struct drm_plane *omap_plane_init(struct drm_device *dev, |
| int id, enum drm_plane_type type); |
| void omap_plane_install_properties(struct drm_plane *plane, |
| struct drm_mode_object *obj); |
| |
| struct drm_encoder *omap_encoder_init(struct drm_device *dev, |
| struct omap_dss_device *dssdev); |
| |
| struct drm_connector *omap_connector_init(struct drm_device *dev, |
| int connector_type, struct omap_dss_device *dssdev, |
| struct drm_encoder *encoder); |
| struct drm_encoder *omap_connector_attached_encoder( |
| struct drm_connector *connector); |
| bool omap_connector_get_hdmi_mode(struct drm_connector *connector); |
| |
| void copy_timings_omap_to_drm(struct drm_display_mode *mode, |
| struct omap_video_timings *timings); |
| void copy_timings_drm_to_omap(struct omap_video_timings *timings, |
| struct drm_display_mode *mode); |
| |
| uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats, |
| uint32_t max_formats, enum omap_color_mode supported_modes); |
| struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, |
| struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd); |
| struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, |
| struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); |
| struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); |
| int omap_framebuffer_pin(struct drm_framebuffer *fb); |
| void omap_framebuffer_unpin(struct drm_framebuffer *fb); |
| void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, |
| struct omap_drm_window *win, struct omap_overlay_info *info); |
| struct drm_connector *omap_framebuffer_get_next_connector( |
| struct drm_framebuffer *fb, struct drm_connector *from); |
| |
| void omap_gem_init(struct drm_device *dev); |
| void omap_gem_deinit(struct drm_device *dev); |
| |
| struct drm_gem_object *omap_gem_new(struct drm_device *dev, |
| union omap_gem_size gsize, uint32_t flags); |
| int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, |
| union omap_gem_size gsize, uint32_t flags, uint32_t *handle); |
| void omap_gem_free_object(struct drm_gem_object *obj); |
| void *omap_gem_vaddr(struct drm_gem_object *obj); |
| int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, |
| uint32_t handle, uint64_t *offset); |
| int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev, |
| struct drm_mode_create_dumb *args); |
| int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
| int omap_gem_mmap_obj(struct drm_gem_object *obj, |
| struct vm_area_struct *vma); |
| int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); |
| int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op); |
| int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op); |
| int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op); |
| int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op, |
| void (*fxn)(void *arg), void *arg); |
| int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll); |
| void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff); |
| void omap_gem_dma_sync(struct drm_gem_object *obj, |
| enum dma_data_direction dir); |
| int omap_gem_get_paddr(struct drm_gem_object *obj, |
| dma_addr_t *paddr, bool remap); |
| int omap_gem_put_paddr(struct drm_gem_object *obj); |
| int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages, |
| bool remap); |
| int omap_gem_put_pages(struct drm_gem_object *obj); |
| uint32_t omap_gem_flags(struct drm_gem_object *obj); |
| int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient, |
| int x, int y, dma_addr_t *paddr); |
| uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); |
| size_t omap_gem_mmap_size(struct drm_gem_object *obj); |
| int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h); |
| int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient); |
| |
| struct dma_buf *omap_gem_prime_export(struct drm_device *dev, |
| struct drm_gem_object *obj, int flags); |
| struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev, |
| struct dma_buf *buffer); |
| |
| static inline int align_pitch(int pitch, int width, int bpp) |
| { |
| int bytespp = (bpp + 7) / 8; |
| /* in case someone tries to feed us a completely bogus stride: */ |
| pitch = max(pitch, width * bytespp); |
| /* PVR needs alignment to 8 pixels.. right now that is the most |
| * restrictive stride requirement.. |
| */ |
| return ALIGN(pitch, 8 * bytespp); |
| } |
| |
| /* map crtc to vblank mask */ |
| uint32_t pipe2vbl(struct drm_crtc *crtc); |
| struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder); |
| |
| /* should these be made into common util helpers? |
| */ |
| |
| static inline int objects_lookup(struct drm_device *dev, |
| struct drm_file *filp, uint32_t pixel_format, |
| struct drm_gem_object **bos, uint32_t *handles) |
| { |
| int i, n = drm_format_num_planes(pixel_format); |
| |
| for (i = 0; i < n; i++) { |
| bos[i] = drm_gem_object_lookup(dev, filp, handles[i]); |
| if (!bos[i]) |
| goto fail; |
| |
| } |
| |
| return 0; |
| |
| fail: |
| while (--i > 0) |
| drm_gem_object_unreference_unlocked(bos[i]); |
| |
| return -ENOENT; |
| } |
| |
| #endif /* __OMAP_DRV_H__ */ |