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drm/omap: panel-tpo-td043mtea1: remove pdata support
[deliverable/linux.git] / drivers / gpu / drm / omapdrm / omap_drv.h
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1/*
2 * drivers/gpu/drm/omapdrm/omap_drv.h
3 *
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob@ti.com>
6 *
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.
10 *
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.
15 *
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/>.
18 */
19
20#ifndef __OMAP_DRV_H__
21#define __OMAP_DRV_H__
22
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>
28
29#include <drm/drmP.h>
30#include <drm/drm_crtc_helper.h>
31#include <drm/drm_gem.h>
32#include <drm/omap_drm.h>
33
34#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
35#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
36
37#define MODULE_NAME "omapdrm"
38
39struct omap_drm_usergart;
40
41/* parameters which describe (unrotated) coordinates of scanout within a fb: */
42struct omap_drm_window {
43 uint32_t rotation;
44 int32_t crtc_x, crtc_y; /* signed because can be offscreen */
45 uint32_t crtc_w, crtc_h;
46 uint32_t src_x, src_y;
47 uint32_t src_w, src_h;
48};
49
50/* For transiently registering for different DSS irqs that various parts
51 * of the KMS code need during setup/configuration. We these are not
52 * necessarily the same as what drm_vblank_get/put() are requesting, and
53 * the hysteresis in drm_vblank_put() is not necessarily desirable for
54 * internal housekeeping related irq usage.
55 */
56struct omap_drm_irq {
57 struct list_head node;
58 uint32_t irqmask;
59 bool registered;
60 void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
61};
62
63/* For KMS code that needs to wait for a certain # of IRQs:
64 */
65struct omap_irq_wait;
66struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
67 uint32_t irqmask, int count);
68int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
69 unsigned long timeout);
70
71struct omap_drm_private {
72 uint32_t omaprev;
73
74 unsigned int num_crtcs;
75 struct drm_crtc *crtcs[8];
76
77 unsigned int num_planes;
78 struct drm_plane *planes[8];
79
80 unsigned int num_encoders;
81 struct drm_encoder *encoders[8];
82
83 unsigned int num_connectors;
84 struct drm_connector *connectors[8];
85
86 struct drm_fb_helper *fbdev;
87
88 struct workqueue_struct *wq;
89
90 /* lock for obj_list below */
91 spinlock_t list_lock;
92
93 /* list of GEM objects: */
94 struct list_head obj_list;
95
96 struct omap_drm_usergart *usergart;
97 bool has_dmm;
98
99 /* properties: */
100 struct drm_property *zorder_prop;
101
102 /* irq handling: */
103 struct list_head irq_list; /* list of omap_drm_irq */
104 uint32_t vblank_mask; /* irq bits set for userspace vblank */
105 struct omap_drm_irq error_handler;
106
107 /* atomic commit */
108 struct {
109 struct list_head events;
110 wait_queue_head_t wait;
111 u32 pending;
112 spinlock_t lock; /* Protects commit.pending */
113 } commit;
114};
115
116
117#ifdef CONFIG_DEBUG_FS
118int omap_debugfs_init(struct drm_minor *minor);
119void omap_debugfs_cleanup(struct drm_minor *minor);
120void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
121void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
122void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
123#endif
124
125#ifdef CONFIG_PM
126int omap_gem_resume(struct device *dev);
127#endif
128
129int omap_irq_enable_vblank(struct drm_device *dev, unsigned int pipe);
130void omap_irq_disable_vblank(struct drm_device *dev, unsigned int pipe);
131void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
132void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
133void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
134void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
135void omap_drm_irq_uninstall(struct drm_device *dev);
136int omap_drm_irq_install(struct drm_device *dev);
137
138#ifdef CONFIG_DRM_FBDEV_EMULATION
139struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
140void omap_fbdev_free(struct drm_device *dev);
141#else
142static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
143{
144 return NULL;
145}
146static inline void omap_fbdev_free(struct drm_device *dev)
147{
148}
149#endif
150
151struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
152enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
153void omap_crtc_pre_init(void);
154void omap_crtc_pre_uninit(void);
155struct drm_crtc *omap_crtc_init(struct drm_device *dev,
156 struct drm_plane *plane, enum omap_channel channel, int id);
157int omap_crtc_wait_pending(struct drm_crtc *crtc);
158
159struct drm_plane *omap_plane_init(struct drm_device *dev,
160 int id, enum drm_plane_type type);
161void omap_plane_install_properties(struct drm_plane *plane,
162 struct drm_mode_object *obj);
163
164struct drm_encoder *omap_encoder_init(struct drm_device *dev,
165 struct omap_dss_device *dssdev);
166
167struct drm_connector *omap_connector_init(struct drm_device *dev,
168 int connector_type, struct omap_dss_device *dssdev,
169 struct drm_encoder *encoder);
170struct drm_encoder *omap_connector_attached_encoder(
171 struct drm_connector *connector);
172bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
173
174void copy_timings_omap_to_drm(struct drm_display_mode *mode,
175 struct omap_video_timings *timings);
176void copy_timings_drm_to_omap(struct omap_video_timings *timings,
177 struct drm_display_mode *mode);
178
179uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
180 uint32_t max_formats, enum omap_color_mode supported_modes);
181struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
182 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
183struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
184 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
185struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
186int omap_framebuffer_pin(struct drm_framebuffer *fb);
187void omap_framebuffer_unpin(struct drm_framebuffer *fb);
188void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
189 struct omap_drm_window *win, struct omap_overlay_info *info);
190struct drm_connector *omap_framebuffer_get_next_connector(
191 struct drm_framebuffer *fb, struct drm_connector *from);
192bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);
193
194void omap_gem_init(struct drm_device *dev);
195void omap_gem_deinit(struct drm_device *dev);
196
197struct drm_gem_object *omap_gem_new(struct drm_device *dev,
198 union omap_gem_size gsize, uint32_t flags);
199struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
200 struct sg_table *sgt);
201int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
202 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
203void omap_gem_free_object(struct drm_gem_object *obj);
204void *omap_gem_vaddr(struct drm_gem_object *obj);
205int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
206 uint32_t handle, uint64_t *offset);
207int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
208 struct drm_mode_create_dumb *args);
209int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
210int omap_gem_mmap_obj(struct drm_gem_object *obj,
211 struct vm_area_struct *vma);
212int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
213int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
214int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
215int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
216int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
217 void (*fxn)(void *arg), void *arg);
218int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
219void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
220void omap_gem_dma_sync(struct drm_gem_object *obj,
221 enum dma_data_direction dir);
222int omap_gem_get_paddr(struct drm_gem_object *obj,
223 dma_addr_t *paddr, bool remap);
224void omap_gem_put_paddr(struct drm_gem_object *obj);
225int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
226 bool remap);
227int omap_gem_put_pages(struct drm_gem_object *obj);
228uint32_t omap_gem_flags(struct drm_gem_object *obj);
229int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
230 int x, int y, dma_addr_t *paddr);
231uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
232size_t omap_gem_mmap_size(struct drm_gem_object *obj);
233int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
234int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
235
236struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
237 struct drm_gem_object *obj, int flags);
238struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
239 struct dma_buf *buffer);
240
241static inline int align_pitch(int pitch, int width, int bpp)
242{
243 int bytespp = (bpp + 7) / 8;
244 /* in case someone tries to feed us a completely bogus stride: */
245 pitch = max(pitch, width * bytespp);
246 /* PVR needs alignment to 8 pixels.. right now that is the most
247 * restrictive stride requirement..
248 */
249 return roundup(pitch, 8 * bytespp);
250}
251
252/* map crtc to vblank mask */
253uint32_t pipe2vbl(struct drm_crtc *crtc);
254struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
255
256/* should these be made into common util helpers?
257 */
258
259static inline int objects_lookup(struct drm_device *dev,
260 struct drm_file *filp, uint32_t pixel_format,
261 struct drm_gem_object **bos, const uint32_t *handles)
262{
263 int i, n = drm_format_num_planes(pixel_format);
264
265 for (i = 0; i < n; i++) {
266 bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
267 if (!bos[i])
268 goto fail;
269
270 }
271
272 return 0;
273
274fail:
275 while (--i > 0)
276 drm_gem_object_unreference_unlocked(bos[i]);
277
278 return -ENOENT;
279}
280
281#endif /* __OMAP_DRV_H__ */
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