/* * drivers/staging/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 <video/omapdss.h> #include <linux/module.h> #include <linux/types.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include "omap_drm.h" #include "omap_priv.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 struct omap_drm_private { 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; struct list_head obj_list; bool has_dmm; }; #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 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev); void omap_fbdev_free(struct drm_device *dev); struct drm_crtc *omap_crtc_init(struct drm_device *dev, struct omap_overlay *ovl, int id); struct drm_plane *omap_plane_init(struct drm_device *dev, struct omap_overlay *ovl, unsigned int possible_crtcs, bool priv); int omap_plane_dpms(struct drm_plane *plane, int mode); int omap_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, uint32_t src_w, uint32_t src_h); void omap_plane_on_endwin(struct drm_plane *plane, void (*fxn)(void *), void *arg); struct drm_encoder *omap_encoder_init(struct drm_device *dev, struct omap_overlay_manager *mgr); struct omap_overlay_manager *omap_encoder_get_manager( struct drm_encoder *encoder); struct drm_encoder *omap_connector_attached_encoder( struct drm_connector *connector); enum drm_connector_status omap_connector_detect( struct drm_connector *connector, bool force); struct drm_connector *omap_connector_init(struct drm_device *dev, int connector_type, struct omap_dss_device *dssdev); void omap_connector_mode_set(struct drm_connector *connector, struct drm_display_mode *mode); void omap_connector_flush(struct drm_connector *connector, int x, int y, int w, int h); 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_replace(struct drm_framebuffer *a, struct drm_framebuffer *b, void *arg, void (*unpin)(void *arg, struct drm_gem_object *bo)); void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y, struct omap_overlay_info *info); struct drm_connector *omap_framebuffer_get_next_connector( struct drm_framebuffer *fb, struct drm_connector *from); void omap_framebuffer_flush(struct drm_framebuffer *fb, int x, int y, int w, int h); 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); int omap_gem_init_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_destroy(struct drm_file *file, struct drm_device *dev, uint32_t handle); 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_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); 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); uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj); size_t omap_gem_mmap_size(struct drm_gem_object *obj); 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); } /* 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__ */