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[linux/fpc-iii.git] / drivers / gpu / drm / omapdrm / omap_drv.h
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1 /*
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
14 * more details.
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>
28 #include <drm/drmP.h>
29 #include <drm/drm_crtc_helper.h>
30 #include <drm/drm_gem.h>
31 #include <drm/omap_drm.h>
33 #include "dss/omapdss.h"
35 #define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
36 #define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
38 #define MODULE_NAME "omapdrm"
40 struct omap_drm_usergart;
42 /* parameters which describe (unrotated) coordinates of scanout within a fb: */
43 struct omap_drm_window {
44 uint32_t rotation;
45 int32_t crtc_x, crtc_y; /* signed because can be offscreen */
46 uint32_t crtc_w, crtc_h;
47 uint32_t src_x, src_y;
48 uint32_t src_w, src_h;
51 /* For transiently registering for different DSS irqs that various parts
52 * of the KMS code need during setup/configuration. We these are not
53 * necessarily the same as what drm_vblank_get/put() are requesting, and
54 * the hysteresis in drm_vblank_put() is not necessarily desirable for
55 * internal housekeeping related irq usage.
57 struct omap_drm_irq {
58 struct list_head node;
59 uint32_t irqmask;
60 bool registered;
61 void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
64 /* For KMS code that needs to wait for a certain # of IRQs:
66 struct omap_irq_wait;
67 struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
68 uint32_t irqmask, int count);
69 int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
70 unsigned long timeout);
72 struct omap_drm_private {
73 uint32_t omaprev;
75 unsigned int num_crtcs;
76 struct drm_crtc *crtcs[8];
78 unsigned int num_planes;
79 struct drm_plane *planes[8];
81 unsigned int num_encoders;
82 struct drm_encoder *encoders[8];
84 unsigned int num_connectors;
85 struct drm_connector *connectors[8];
87 struct drm_fb_helper *fbdev;
89 struct workqueue_struct *wq;
91 /* lock for obj_list below */
92 spinlock_t list_lock;
94 /* list of GEM objects: */
95 struct list_head obj_list;
97 struct omap_drm_usergart *usergart;
98 bool has_dmm;
100 /* properties: */
101 struct drm_property *zorder_prop;
103 /* irq handling: */
104 struct list_head irq_list; /* list of omap_drm_irq */
105 uint32_t vblank_mask; /* irq bits set for userspace vblank */
106 struct omap_drm_irq error_handler;
108 /* atomic commit */
109 struct {
110 wait_queue_head_t wait;
111 u32 pending;
112 spinlock_t lock; /* Protects commit.pending */
113 } commit;
117 #ifdef CONFIG_DEBUG_FS
118 int omap_debugfs_init(struct drm_minor *minor);
119 void omap_debugfs_cleanup(struct drm_minor *minor);
120 void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
121 void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
122 void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
123 #endif
125 #ifdef CONFIG_PM
126 int omap_gem_resume(struct device *dev);
127 #endif
129 int omap_irq_enable_vblank(struct drm_device *dev, unsigned int pipe);
130 void omap_irq_disable_vblank(struct drm_device *dev, unsigned int pipe);
131 void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
132 void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
133 void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
134 void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
135 void omap_drm_irq_uninstall(struct drm_device *dev);
136 int omap_drm_irq_install(struct drm_device *dev);
138 #ifdef CONFIG_DRM_FBDEV_EMULATION
139 struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
140 void omap_fbdev_free(struct drm_device *dev);
141 #else
142 static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
144 return NULL;
146 static inline void omap_fbdev_free(struct drm_device *dev)
149 #endif
151 struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
152 enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
153 void omap_crtc_pre_init(void);
154 void omap_crtc_pre_uninit(void);
155 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
156 struct drm_plane *plane, enum omap_channel channel, int id);
157 int omap_crtc_wait_pending(struct drm_crtc *crtc);
159 struct drm_plane *omap_plane_init(struct drm_device *dev,
160 int id, enum drm_plane_type type);
161 void omap_plane_install_properties(struct drm_plane *plane,
162 struct drm_mode_object *obj);
164 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
165 struct omap_dss_device *dssdev);
167 struct drm_connector *omap_connector_init(struct drm_device *dev,
168 int connector_type, struct omap_dss_device *dssdev,
169 struct drm_encoder *encoder);
170 struct drm_encoder *omap_connector_attached_encoder(
171 struct drm_connector *connector);
172 bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
174 void copy_timings_omap_to_drm(struct drm_display_mode *mode,
175 struct omap_video_timings *timings);
176 void copy_timings_drm_to_omap(struct omap_video_timings *timings,
177 struct drm_display_mode *mode);
179 uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
180 uint32_t max_formats, enum omap_color_mode supported_modes);
181 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
182 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
183 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
184 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
185 int omap_framebuffer_pin(struct drm_framebuffer *fb);
186 void omap_framebuffer_unpin(struct drm_framebuffer *fb);
187 void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
188 struct omap_drm_window *win, struct omap_overlay_info *info);
189 struct drm_connector *omap_framebuffer_get_next_connector(
190 struct drm_framebuffer *fb, struct drm_connector *from);
191 bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);
193 void omap_gem_init(struct drm_device *dev);
194 void omap_gem_deinit(struct drm_device *dev);
196 struct drm_gem_object *omap_gem_new(struct drm_device *dev,
197 union omap_gem_size gsize, uint32_t flags);
198 struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
199 struct sg_table *sgt);
200 int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
201 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
202 void omap_gem_free_object(struct drm_gem_object *obj);
203 void *omap_gem_vaddr(struct drm_gem_object *obj);
204 int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
205 uint32_t handle, uint64_t *offset);
206 int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
207 struct drm_mode_create_dumb *args);
208 int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
209 int omap_gem_mmap_obj(struct drm_gem_object *obj,
210 struct vm_area_struct *vma);
211 int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
212 int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
213 int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
214 int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
215 int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
216 void (*fxn)(void *arg), void *arg);
217 int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
218 void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
219 void omap_gem_dma_sync(struct drm_gem_object *obj,
220 enum dma_data_direction dir);
221 int omap_gem_get_paddr(struct drm_gem_object *obj,
222 dma_addr_t *paddr, bool remap);
223 void omap_gem_put_paddr(struct drm_gem_object *obj);
224 int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
225 bool remap);
226 int omap_gem_put_pages(struct drm_gem_object *obj);
227 uint32_t omap_gem_flags(struct drm_gem_object *obj);
228 int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
229 int x, int y, dma_addr_t *paddr);
230 uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
231 size_t omap_gem_mmap_size(struct drm_gem_object *obj);
232 int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
234 struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
235 struct drm_gem_object *obj, int flags);
236 struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
237 struct dma_buf *buffer);
239 /* map crtc to vblank mask */
240 uint32_t pipe2vbl(struct drm_crtc *crtc);
241 struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
243 /* should these be made into common util helpers?
246 static inline int objects_lookup(
247 struct drm_file *filp, uint32_t pixel_format,
248 struct drm_gem_object **bos, const uint32_t *handles)
250 int i, n = drm_format_num_planes(pixel_format);
252 for (i = 0; i < n; i++) {
253 bos[i] = drm_gem_object_lookup(filp, handles[i]);
254 if (!bos[i])
255 goto fail;
259 return 0;
261 fail:
262 while (--i > 0)
263 drm_gem_object_unreference_unlocked(bos[i]);
265 return -ENOENT;
268 #endif /* __OMAP_DRV_H__ */