2 * drivers/gpu/drm/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 <linux/module.h>
24 #include <linux/platform_data/omap_drm.h>
25 #include <linux/types.h>
26 #include <linux/wait.h>
27 #include <video/omapdss.h>
30 #include <drm/drm_crtc_helper.h>
31 #include <drm/drm_gem.h>
32 #include <drm/omap_drm.h>
34 #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
35 #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
37 #define MODULE_NAME "omapdrm"
39 /* max # of mapper-id's that can be assigned.. todo, come up with a better
40 * (but still inexpensive) way to store/access per-buffer mapper private
45 /* parameters which describe (unrotated) coordinates of scanout within a fb: */
46 struct omap_drm_window {
48 int32_t crtc_x, crtc_y; /* signed because can be offscreen */
49 uint32_t crtc_w, crtc_h;
50 uint32_t src_x, src_y;
51 uint32_t src_w, src_h;
54 /* For transiently registering for different DSS irqs that various parts
55 * of the KMS code need during setup/configuration. We these are not
56 * necessarily the same as what drm_vblank_get/put() are requesting, and
57 * the hysteresis in drm_vblank_put() is not necessarily desirable for
58 * internal housekeeping related irq usage.
61 struct list_head node;
64 void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
67 /* For KMS code that needs to wait for a certain # of IRQs:
70 struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
71 uint32_t irqmask, int count);
72 int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
73 unsigned long timeout);
75 struct omap_drm_private {
78 unsigned int num_crtcs;
79 struct drm_crtc *crtcs[8];
81 unsigned int num_planes;
82 struct drm_plane *planes[8];
84 unsigned int num_encoders;
85 struct drm_encoder *encoders[8];
87 unsigned int num_connectors;
88 struct drm_connector *connectors[8];
90 struct drm_fb_helper *fbdev;
92 struct workqueue_struct *wq;
94 /* lock for obj_list below */
97 /* list of GEM objects: */
98 struct list_head obj_list;
103 struct drm_property *zorder_prop;
106 struct list_head irq_list; /* list of omap_drm_irq */
107 uint32_t vblank_mask; /* irq bits set for userspace vblank */
108 struct omap_drm_irq error_handler;
112 struct list_head events;
113 wait_queue_head_t wait;
115 spinlock_t lock; /* Protects commit.pending */
120 #ifdef CONFIG_DEBUG_FS
121 int omap_debugfs_init(struct drm_minor *minor);
122 void omap_debugfs_cleanup(struct drm_minor *minor);
123 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
124 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
125 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
129 int omap_gem_resume(struct device *dev);
132 int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id);
133 void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id);
134 void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
135 void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
136 void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
137 void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
138 void omap_drm_irq_uninstall(struct drm_device *dev);
139 int omap_drm_irq_install(struct drm_device *dev);
141 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
142 void omap_fbdev_free(struct drm_device *dev);
144 const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
145 enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
146 void omap_crtc_pre_init(void);
147 void omap_crtc_pre_uninit(void);
148 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
149 struct drm_plane *plane, enum omap_channel channel, int id);
151 struct drm_plane *omap_plane_init(struct drm_device *dev,
152 int id, enum drm_plane_type type);
153 int omap_plane_setup(struct drm_plane *plane);
154 void omap_plane_install_properties(struct drm_plane *plane,
155 struct drm_mode_object *obj);
157 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
158 struct omap_dss_device *dssdev);
159 int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled);
160 int omap_encoder_update(struct drm_encoder *encoder,
161 struct omap_overlay_manager *mgr,
162 struct omap_video_timings *timings);
164 struct drm_connector *omap_connector_init(struct drm_device *dev,
165 int connector_type, struct omap_dss_device *dssdev,
166 struct drm_encoder *encoder);
167 struct drm_encoder *omap_connector_attached_encoder(
168 struct drm_connector *connector);
169 bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
171 void copy_timings_omap_to_drm(struct drm_display_mode *mode,
172 struct omap_video_timings *timings);
173 void copy_timings_drm_to_omap(struct omap_video_timings *timings,
174 struct drm_display_mode *mode);
176 uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
177 uint32_t max_formats, enum omap_color_mode supported_modes);
178 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
179 struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
180 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
181 struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
182 struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
183 int omap_framebuffer_pin(struct drm_framebuffer *fb);
184 int omap_framebuffer_unpin(struct drm_framebuffer *fb);
185 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
186 struct omap_drm_window *win, struct omap_overlay_info *info);
187 struct drm_connector *omap_framebuffer_get_next_connector(
188 struct drm_framebuffer *fb, struct drm_connector *from);
190 void omap_gem_init(struct drm_device *dev);
191 void omap_gem_deinit(struct drm_device *dev);
193 struct drm_gem_object *omap_gem_new(struct drm_device *dev,
194 union omap_gem_size gsize, uint32_t flags);
195 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
196 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
197 void omap_gem_free_object(struct drm_gem_object *obj);
198 void *omap_gem_vaddr(struct drm_gem_object *obj);
199 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
200 uint32_t handle, uint64_t *offset);
201 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
202 struct drm_mode_create_dumb *args);
203 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
204 int omap_gem_mmap_obj(struct drm_gem_object *obj,
205 struct vm_area_struct *vma);
206 int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
207 int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
208 int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
209 int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
210 int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
211 void (*fxn)(void *arg), void *arg);
212 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
213 void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
214 void omap_gem_dma_sync(struct drm_gem_object *obj,
215 enum dma_data_direction dir);
216 int omap_gem_get_paddr(struct drm_gem_object *obj,
217 dma_addr_t *paddr, bool remap);
218 int omap_gem_put_paddr(struct drm_gem_object *obj);
219 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
221 int omap_gem_put_pages(struct drm_gem_object *obj);
222 uint32_t omap_gem_flags(struct drm_gem_object *obj);
223 int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
224 int x, int y, dma_addr_t *paddr);
225 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
226 size_t omap_gem_mmap_size(struct drm_gem_object *obj);
227 int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
228 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
230 struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
231 struct drm_gem_object *obj, int flags);
232 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
233 struct dma_buf *buffer);
235 static inline int align_pitch(int pitch, int width, int bpp)
237 int bytespp = (bpp + 7) / 8;
238 /* in case someone tries to feed us a completely bogus stride: */
239 pitch = max(pitch, width * bytespp);
240 /* PVR needs alignment to 8 pixels.. right now that is the most
241 * restrictive stride requirement..
243 return ALIGN(pitch, 8 * bytespp);
246 /* map crtc to vblank mask */
247 uint32_t pipe2vbl(struct drm_crtc *crtc);
248 struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
250 /* should these be made into common util helpers?
253 static inline int objects_lookup(struct drm_device *dev,
254 struct drm_file *filp, uint32_t pixel_format,
255 struct drm_gem_object **bos, uint32_t *handles)
257 int i, n = drm_format_num_planes(pixel_format);
259 for (i = 0; i < n; i++) {
260 bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
270 drm_gem_object_unreference_unlocked(bos[i]);
275 #endif /* __OMAP_DRV_H__ */