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