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 <video/omapdss.h>
24 #include <linux/module.h>
25 #include <linux/types.h>
27 #include <drm/drm_crtc_helper.h>
28 #include <drm/omap_drm.h>
29 #include <linux/platform_data/omap_drm.h>
32 #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
33 #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
35 #define MODULE_NAME "omapdrm"
37 /* max # of mapper-id's that can be assigned.. todo, come up with a better
38 * (but still inexpensive) way to store/access per-buffer mapper private
43 /* parameters which describe (unrotated) coordinates of scanout within a fb: */
44 struct omap_drm_window {
46 int32_t crtc_x, crtc_y; /* signed because can be offscreen */
47 uint32_t crtc_w, crtc_h;
48 uint32_t src_x, src_y;
49 uint32_t src_w, src_h;
52 /* Once GO bit is set, we can't make further updates to shadowed registers
53 * until the GO bit is cleared. So various parts in the kms code that need
54 * to update shadowed registers queue up a pair of callbacks, pre_apply
55 * which is called before setting GO bit, and post_apply that is called
56 * after GO bit is cleared. The crtc manages the queuing, and everyone
57 * else goes thru omap_crtc_apply() using these callbacks so that the
58 * code which has to deal w/ GO bit state is centralized.
60 struct omap_drm_apply {
61 struct list_head pending_node, queued_node;
63 void (*pre_apply)(struct omap_drm_apply *apply);
64 void (*post_apply)(struct omap_drm_apply *apply);
67 /* For transiently registering for different DSS irqs that various parts
68 * of the KMS code need during setup/configuration. We these are not
69 * necessarily the same as what drm_vblank_get/put() are requesting, and
70 * the hysteresis in drm_vblank_put() is not necessarily desirable for
71 * internal housekeeping related irq usage.
74 struct list_head node;
77 void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
80 /* For KMS code that needs to wait for a certain # of IRQs:
83 struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
84 uint32_t irqmask, int count);
85 int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
86 unsigned long timeout);
88 struct omap_drm_private {
91 unsigned int num_crtcs;
92 struct drm_crtc *crtcs[8];
94 unsigned int num_planes;
95 struct drm_plane *planes[8];
97 unsigned int num_encoders;
98 struct drm_encoder *encoders[8];
100 unsigned int num_connectors;
101 struct drm_connector *connectors[8];
103 struct drm_fb_helper *fbdev;
105 struct workqueue_struct *wq;
107 /* list of GEM objects: */
108 struct list_head obj_list;
113 struct drm_property *rotation_prop;
114 struct drm_property *zorder_prop;
117 struct list_head irq_list; /* list of omap_drm_irq */
118 uint32_t vblank_mask; /* irq bits set for userspace vblank */
119 struct omap_drm_irq error_handler;
122 /* this should probably be in drm-core to standardize amongst drivers */
123 #define DRM_ROTATE_0 0
124 #define DRM_ROTATE_90 1
125 #define DRM_ROTATE_180 2
126 #define DRM_ROTATE_270 3
127 #define DRM_REFLECT_X 4
128 #define DRM_REFLECT_Y 5
130 #ifdef CONFIG_DEBUG_FS
131 int omap_debugfs_init(struct drm_minor *minor);
132 void omap_debugfs_cleanup(struct drm_minor *minor);
133 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
134 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
135 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
139 int omap_gem_resume(struct device *dev);
142 int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id);
143 void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id);
144 irqreturn_t omap_irq_handler(int irq, void *arg);
145 void omap_irq_preinstall(struct drm_device *dev);
146 int omap_irq_postinstall(struct drm_device *dev);
147 void omap_irq_uninstall(struct drm_device *dev);
148 void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
149 void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
150 void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
151 void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
152 int omap_drm_irq_uninstall(struct drm_device *dev);
153 int omap_drm_irq_install(struct drm_device *dev);
155 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
156 void omap_fbdev_free(struct drm_device *dev);
158 const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
159 enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
160 int omap_crtc_apply(struct drm_crtc *crtc,
161 struct omap_drm_apply *apply);
162 void omap_crtc_pre_init(void);
163 void omap_crtc_pre_uninit(void);
164 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
165 struct drm_plane *plane, enum omap_channel channel, int id);
166 void omap_crtc_flush(struct drm_crtc *crtc);
168 struct drm_plane *omap_plane_init(struct drm_device *dev,
169 int plane_id, bool private_plane);
170 int omap_plane_dpms(struct drm_plane *plane, int mode);
171 int omap_plane_mode_set(struct drm_plane *plane,
172 struct drm_crtc *crtc, struct drm_framebuffer *fb,
173 int crtc_x, int crtc_y,
174 unsigned int crtc_w, unsigned int crtc_h,
175 uint32_t src_x, uint32_t src_y,
176 uint32_t src_w, uint32_t src_h,
177 void (*fxn)(void *), void *arg);
178 void omap_plane_install_properties(struct drm_plane *plane,
179 struct drm_mode_object *obj);
180 int omap_plane_set_property(struct drm_plane *plane,
181 struct drm_property *property, uint64_t val);
183 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
184 struct omap_dss_device *dssdev);
185 int omap_encoder_set_enabled(struct drm_encoder *encoder, bool enabled);
186 int omap_encoder_update(struct drm_encoder *encoder,
187 struct omap_overlay_manager *mgr,
188 struct omap_video_timings *timings);
190 struct drm_connector *omap_connector_init(struct drm_device *dev,
191 int connector_type, struct omap_dss_device *dssdev,
192 struct drm_encoder *encoder);
193 struct drm_encoder *omap_connector_attached_encoder(
194 struct drm_connector *connector);
195 void omap_connector_flush(struct drm_connector *connector,
196 int x, int y, int w, int h);
198 void copy_timings_omap_to_drm(struct drm_display_mode *mode,
199 struct omap_video_timings *timings);
200 void copy_timings_drm_to_omap(struct omap_video_timings *timings,
201 struct drm_display_mode *mode);
203 uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
204 uint32_t max_formats, enum omap_color_mode supported_modes);
205 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
206 struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
207 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
208 struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
209 struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
210 int omap_framebuffer_pin(struct drm_framebuffer *fb);
211 int omap_framebuffer_unpin(struct drm_framebuffer *fb);
212 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
213 struct omap_drm_window *win, struct omap_overlay_info *info);
214 struct drm_connector *omap_framebuffer_get_next_connector(
215 struct drm_framebuffer *fb, struct drm_connector *from);
216 void omap_framebuffer_flush(struct drm_framebuffer *fb,
217 int x, int y, int w, int h);
219 void omap_gem_init(struct drm_device *dev);
220 void omap_gem_deinit(struct drm_device *dev);
222 struct drm_gem_object *omap_gem_new(struct drm_device *dev,
223 union omap_gem_size gsize, uint32_t flags);
224 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
225 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
226 void omap_gem_free_object(struct drm_gem_object *obj);
227 void *omap_gem_vaddr(struct drm_gem_object *obj);
228 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
229 uint32_t handle, uint64_t *offset);
230 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
231 struct drm_mode_create_dumb *args);
232 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
233 int omap_gem_mmap_obj(struct drm_gem_object *obj,
234 struct vm_area_struct *vma);
235 int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
236 int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
237 int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
238 int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
239 int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
240 void (*fxn)(void *arg), void *arg);
241 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
242 void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
243 void omap_gem_dma_sync(struct drm_gem_object *obj,
244 enum dma_data_direction dir);
245 int omap_gem_get_paddr(struct drm_gem_object *obj,
246 dma_addr_t *paddr, bool remap);
247 int omap_gem_put_paddr(struct drm_gem_object *obj);
248 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
250 int omap_gem_put_pages(struct drm_gem_object *obj);
251 uint32_t omap_gem_flags(struct drm_gem_object *obj);
252 int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
253 int x, int y, dma_addr_t *paddr);
254 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
255 size_t omap_gem_mmap_size(struct drm_gem_object *obj);
256 int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
257 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
259 struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
260 struct drm_gem_object *obj, int flags);
261 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
262 struct dma_buf *buffer);
264 static inline int align_pitch(int pitch, int width, int bpp)
266 int bytespp = (bpp + 7) / 8;
267 /* in case someone tries to feed us a completely bogus stride: */
268 pitch = max(pitch, width * bytespp);
269 /* PVR needs alignment to 8 pixels.. right now that is the most
270 * restrictive stride requirement..
272 return ALIGN(pitch, 8 * bytespp);
275 /* map crtc to vblank mask */
276 uint32_t pipe2vbl(struct drm_crtc *crtc);
277 struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
279 /* should these be made into common util helpers?
282 static inline int objects_lookup(struct drm_device *dev,
283 struct drm_file *filp, uint32_t pixel_format,
284 struct drm_gem_object **bos, uint32_t *handles)
286 int i, n = drm_format_num_planes(pixel_format);
288 for (i = 0; i < n; i++) {
289 bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
299 drm_gem_object_unreference_unlocked(bos[i]);
304 #endif /* __OMAP_DRV_H__ */