2 * drivers/staging/omapdrm/omap_drv.h
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob@ti.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef __OMAP_DRV_H__
21 #define __OMAP_DRV_H__
23 #include <video/omapdss.h>
24 #include <linux/module.h>
25 #include <linux/types.h>
27 #include <drm/drm_crtc_helper.h>
28 #include <linux/platform_data/omap_drm.h>
31 #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
32 #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
34 #define MODULE_NAME "omapdrm"
36 /* max # of mapper-id's that can be assigned.. todo, come up with a better
37 * (but still inexpensive) way to store/access per-buffer mapper private
42 struct omap_drm_private {
45 unsigned int num_crtcs;
46 struct drm_crtc *crtcs[8];
48 unsigned int num_planes;
49 struct drm_plane *planes[8];
51 unsigned int num_encoders;
52 struct drm_encoder *encoders[8];
54 unsigned int num_connectors;
55 struct drm_connector *connectors[8];
57 struct drm_fb_helper *fbdev;
59 struct workqueue_struct *wq;
61 struct list_head obj_list;
66 struct drm_property *rotation_prop;
67 struct drm_property *zorder_prop;
70 /* this should probably be in drm-core to standardize amongst drivers */
71 #define DRM_ROTATE_0 0
72 #define DRM_ROTATE_90 1
73 #define DRM_ROTATE_180 2
74 #define DRM_ROTATE_270 3
75 #define DRM_REFLECT_X 4
76 #define DRM_REFLECT_Y 5
78 /* parameters which describe (unrotated) coordinates of scanout within a fb: */
79 struct omap_drm_window {
81 int32_t crtc_x, crtc_y; /* signed because can be offscreen */
82 uint32_t crtc_w, crtc_h;
83 uint32_t src_x, src_y;
84 uint32_t src_w, src_h;
87 #ifdef CONFIG_DEBUG_FS
88 int omap_debugfs_init(struct drm_minor *minor);
89 void omap_debugfs_cleanup(struct drm_minor *minor);
90 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
91 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
92 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
95 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
96 void omap_fbdev_free(struct drm_device *dev);
98 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
99 struct omap_overlay *ovl, int id);
101 struct drm_plane *omap_plane_init(struct drm_device *dev,
102 struct omap_overlay *ovl, unsigned int possible_crtcs,
104 int omap_plane_dpms(struct drm_plane *plane, int mode);
105 int omap_plane_mode_set(struct drm_plane *plane,
106 struct drm_crtc *crtc, struct drm_framebuffer *fb,
107 int crtc_x, int crtc_y,
108 unsigned int crtc_w, unsigned int crtc_h,
109 uint32_t src_x, uint32_t src_y,
110 uint32_t src_w, uint32_t src_h);
111 void omap_plane_on_endwin(struct drm_plane *plane,
112 void (*fxn)(void *), void *arg);
113 void omap_plane_install_properties(struct drm_plane *plane,
114 struct drm_mode_object *obj);
115 int omap_plane_set_property(struct drm_plane *plane,
116 struct drm_property *property, uint64_t val);
118 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
119 struct omap_overlay_manager *mgr);
120 struct omap_overlay_manager *omap_encoder_get_manager(
121 struct drm_encoder *encoder);
122 struct drm_encoder *omap_connector_attached_encoder(
123 struct drm_connector *connector);
124 enum drm_connector_status omap_connector_detect(
125 struct drm_connector *connector, bool force);
127 struct drm_connector *omap_connector_init(struct drm_device *dev,
128 int connector_type, struct omap_dss_device *dssdev);
129 void omap_connector_mode_set(struct drm_connector *connector,
130 struct drm_display_mode *mode);
131 void omap_connector_flush(struct drm_connector *connector,
132 int x, int y, int w, int h);
134 uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
135 uint32_t max_formats, enum omap_color_mode supported_modes);
136 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
137 struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
138 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
139 struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
140 struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
141 int omap_framebuffer_replace(struct drm_framebuffer *a,
142 struct drm_framebuffer *b, void *arg,
143 void (*unpin)(void *arg, struct drm_gem_object *bo));
144 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
145 struct omap_drm_window *win, struct omap_overlay_info *info);
146 struct drm_connector *omap_framebuffer_get_next_connector(
147 struct drm_framebuffer *fb, struct drm_connector *from);
148 void omap_framebuffer_flush(struct drm_framebuffer *fb,
149 int x, int y, int w, int h);
151 void omap_gem_init(struct drm_device *dev);
152 void omap_gem_deinit(struct drm_device *dev);
154 struct drm_gem_object *omap_gem_new(struct drm_device *dev,
155 union omap_gem_size gsize, uint32_t flags);
156 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
157 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
158 void omap_gem_free_object(struct drm_gem_object *obj);
159 int omap_gem_init_object(struct drm_gem_object *obj);
160 void *omap_gem_vaddr(struct drm_gem_object *obj);
161 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
162 uint32_t handle, uint64_t *offset);
163 int omap_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
165 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
166 struct drm_mode_create_dumb *args);
167 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
168 int omap_gem_mmap_obj(struct drm_gem_object *obj,
169 struct vm_area_struct *vma);
170 int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
171 int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
172 int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
173 int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
174 int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
175 void (*fxn)(void *arg), void *arg);
176 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
177 void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
178 void omap_gem_dma_sync(struct drm_gem_object *obj,
179 enum dma_data_direction dir);
180 int omap_gem_get_paddr(struct drm_gem_object *obj,
181 dma_addr_t *paddr, bool remap);
182 int omap_gem_put_paddr(struct drm_gem_object *obj);
183 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
185 int omap_gem_put_pages(struct drm_gem_object *obj);
186 uint32_t omap_gem_flags(struct drm_gem_object *obj);
187 int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
188 int x, int y, dma_addr_t *paddr);
189 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
190 size_t omap_gem_mmap_size(struct drm_gem_object *obj);
191 int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
192 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
194 struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
195 struct drm_gem_object *obj, int flags);
196 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
197 struct dma_buf *buffer);
199 static inline int align_pitch(int pitch, int width, int bpp)
201 int bytespp = (bpp + 7) / 8;
202 /* in case someone tries to feed us a completely bogus stride: */
203 pitch = max(pitch, width * bytespp);
204 /* PVR needs alignment to 8 pixels.. right now that is the most
205 * restrictive stride requirement..
207 return ALIGN(pitch, 8 * bytespp);
210 /* should these be made into common util helpers?
213 static inline int objects_lookup(struct drm_device *dev,
214 struct drm_file *filp, uint32_t pixel_format,
215 struct drm_gem_object **bos, uint32_t *handles)
217 int i, n = drm_format_num_planes(pixel_format);
219 for (i = 0; i < n; i++) {
220 bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
230 drm_gem_object_unreference_unlocked(bos[i]);
235 #endif /* __OMAP_DRV_H__ */