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Rob Clarkcd5351f2011-11-12 12:09:40 -06001/*
Rob Clark8bb0daf2013-02-11 12:43:09 -05002 * drivers/gpu/drm/omapdrm/omap_drv.h
Rob Clarkcd5351f2011-11-12 12:09:40 -06003 *
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
Rob Clarkcd5351f2011-11-12 12:09:40 -060023#include <linux/module.h>
Laurent Pinchart2d278f52015-03-05 21:31:37 +020024#include <linux/platform_data/omap_drm.h>
Rob Clarkcd5351f2011-11-12 12:09:40 -060025#include <linux/types.h>
Laurent Pinchart748471a52015-03-05 23:42:39 +020026#include <linux/wait.h>
Laurent Pinchart2d278f52015-03-05 21:31:37 +020027#include <video/omapdss.h>
28
Rob Clarkcd5351f2011-11-12 12:09:40 -060029#include <drm/drmP.h>
Rob Clarkae43d7c2012-01-16 12:51:15 -060030#include <drm/drm_crtc_helper.h>
Daniel Vetterd9fc9412014-09-23 15:46:53 +020031#include <drm/drm_gem.h>
Laurent Pinchart2d278f52015-03-05 21:31:37 +020032#include <drm/omap_drm.h>
Rob Clarkf5f94542012-12-04 13:59:12 -060033
Rob Clarkcd5351f2011-11-12 12:09:40 -060034#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
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
41 * data..
42 */
43#define MAX_MAPPERS 2
44
Rob Clarkf5f94542012-12-04 13:59:12 -060045/* parameters which describe (unrotated) coordinates of scanout within a fb: */
46struct omap_drm_window {
47 uint32_t rotation;
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;
52};
53
Rob Clarkf5f94542012-12-04 13:59:12 -060054/* 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.
59 */
60struct omap_drm_irq {
61 struct list_head node;
62 uint32_t irqmask;
63 bool registered;
64 void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
65};
66
67/* For KMS code that needs to wait for a certain # of IRQs:
68 */
69struct omap_irq_wait;
70struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
71 uint32_t irqmask, int count);
72int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
73 unsigned long timeout);
74
Rob Clarkcd5351f2011-11-12 12:09:40 -060075struct omap_drm_private {
Rob Clark5e3b0872012-10-29 09:31:12 +010076 uint32_t omaprev;
77
Rob Clarkcd5351f2011-11-12 12:09:40 -060078 unsigned int num_crtcs;
79 struct drm_crtc *crtcs[8];
Rob Clarkf6b60362012-03-05 10:48:36 -060080
Rob Clarkbb5c2d92012-01-16 12:51:16 -060081 unsigned int num_planes;
82 struct drm_plane *planes[8];
Rob Clarkf6b60362012-03-05 10:48:36 -060083
Rob Clarkcd5351f2011-11-12 12:09:40 -060084 unsigned int num_encoders;
85 struct drm_encoder *encoders[8];
Rob Clarkf6b60362012-03-05 10:48:36 -060086
Rob Clarkcd5351f2011-11-12 12:09:40 -060087 unsigned int num_connectors;
88 struct drm_connector *connectors[8];
89
90 struct drm_fb_helper *fbdev;
Rob Clarka6a91822011-12-09 23:26:08 -060091
Rob Clark5609f7f2012-03-05 10:48:32 -060092 struct workqueue_struct *wq;
93
Tomi Valkeinen76c40552014-12-17 14:34:22 +020094 /* lock for obj_list below */
95 spinlock_t list_lock;
96
Rob Clarkf5f94542012-12-04 13:59:12 -060097 /* list of GEM objects: */
Rob Clarkf6b60362012-03-05 10:48:36 -060098 struct list_head obj_list;
99
Rob Clarka6a91822011-12-09 23:26:08 -0600100 bool has_dmm;
Rob Clark3c810c62012-08-15 15:18:01 -0500101
102 /* properties: */
Andre Renaud8451b5a2012-08-15 15:18:02 -0500103 struct drm_property *zorder_prop;
Rob Clarkf5f94542012-12-04 13:59:12 -0600104
105 /* irq handling: */
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;
Laurent Pinchart748471a52015-03-05 23:42:39 +0200109
110 /* atomic commit */
111 struct {
Laurent Pinchart1cfe19a2015-04-16 22:35:20 +0300112 struct list_head events;
Laurent Pinchart748471a52015-03-05 23:42:39 +0200113 wait_queue_head_t wait;
114 u32 pending;
115 spinlock_t lock; /* Protects commit.pending */
116 } commit;
Rob Clark3c810c62012-08-15 15:18:01 -0500117};
118
Rob Clark3c810c62012-08-15 15:18:01 -0500119
Andy Gross6169a1482011-12-15 21:05:17 -0600120#ifdef CONFIG_DEBUG_FS
121int omap_debugfs_init(struct drm_minor *minor);
122void omap_debugfs_cleanup(struct drm_minor *minor);
Rob Clarkf6b60362012-03-05 10:48:36 -0600123void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
124void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
125void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
Andy Gross6169a1482011-12-15 21:05:17 -0600126#endif
127
Andy Gross4836d152012-12-19 14:53:37 -0600128#ifdef CONFIG_PM
129int omap_gem_resume(struct device *dev);
130#endif
131
Archit Taneja0d8f3712013-03-26 19:15:19 +0530132int omap_irq_enable_vblank(struct drm_device *dev, int crtc_id);
133void omap_irq_disable_vblank(struct drm_device *dev, int crtc_id);
Tomi Valkeinen6da9f892013-10-24 09:50:50 +0300134void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
135void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
Rob Clarkf5f94542012-12-04 13:59:12 -0600136void omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
137void omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
Laurent Pinchartf13ab002015-01-25 22:06:45 +0200138void omap_drm_irq_uninstall(struct drm_device *dev);
Rob Clarkf5f94542012-12-04 13:59:12 -0600139int omap_drm_irq_install(struct drm_device *dev);
140
Rob Clarkcd5351f2011-11-12 12:09:40 -0600141struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
142void omap_fbdev_free(struct drm_device *dev);
143
Laurent Pinchart40297552015-05-28 02:34:05 +0300144struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
Rob Clarkf5f94542012-12-04 13:59:12 -0600145enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
Tomi Valkeinen04b1fc02013-05-14 10:55:19 +0300146void omap_crtc_pre_init(void);
Archit Taneja3a01ab22014-01-02 14:49:51 +0530147void omap_crtc_pre_uninit(void);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600148struct drm_crtc *omap_crtc_init(struct drm_device *dev,
Rob Clarkf5f94542012-12-04 13:59:12 -0600149 struct drm_plane *plane, enum omap_channel channel, int id);
Tomi Valkeinen5f741b32015-05-29 16:01:18 +0300150int omap_crtc_wait_pending(struct drm_crtc *crtc);
Rob Clarkbb5c2d92012-01-16 12:51:16 -0600151
152struct drm_plane *omap_plane_init(struct drm_device *dev,
Laurent Pinchartef6b0e02015-01-11 00:11:18 +0200153 int id, enum drm_plane_type type);
Rob Clark3c810c62012-08-15 15:18:01 -0500154void omap_plane_install_properties(struct drm_plane *plane,
155 struct drm_mode_object *obj);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600156
157struct drm_encoder *omap_encoder_init(struct drm_device *dev,
Rob Clarkf5f94542012-12-04 13:59:12 -0600158 struct omap_dss_device *dssdev);
Rob Clarkf5f94542012-12-04 13:59:12 -0600159
160struct drm_connector *omap_connector_init(struct drm_device *dev,
161 int connector_type, struct omap_dss_device *dssdev,
Rob Clarkcd5351f2011-11-12 12:09:40 -0600162 struct drm_encoder *encoder);
163struct drm_encoder *omap_connector_attached_encoder(
164 struct drm_connector *connector);
Tomi Valkeinen4f930c02014-06-18 14:19:48 +0300165bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600166
Rob Clarkf5f94542012-12-04 13:59:12 -0600167void copy_timings_omap_to_drm(struct drm_display_mode *mode,
168 struct omap_video_timings *timings);
169void copy_timings_drm_to_omap(struct omap_video_timings *timings,
170 struct drm_display_mode *mode);
171
Rob Clarka890e662012-03-05 10:48:31 -0600172uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
173 uint32_t max_formats, enum omap_color_mode supported_modes);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600174struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
Rob Clarkae43d7c2012-01-16 12:51:15 -0600175 struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600176struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
Rob Clarkae43d7c2012-01-16 12:51:15 -0600177 struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
Rob Clark9a0774e2012-01-16 12:51:17 -0600178struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
Rob Clark5833bd22013-08-07 13:41:21 -0400179int omap_framebuffer_pin(struct drm_framebuffer *fb);
180int omap_framebuffer_unpin(struct drm_framebuffer *fb);
Rob Clark3c810c62012-08-15 15:18:01 -0500181void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
182 struct omap_drm_window *win, struct omap_overlay_info *info);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600183struct drm_connector *omap_framebuffer_get_next_connector(
184 struct drm_framebuffer *fb, struct drm_connector *from);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600185
Rob Clarkf7f9f452011-12-05 19:19:22 -0600186void omap_gem_init(struct drm_device *dev);
187void omap_gem_deinit(struct drm_device *dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600188
189struct drm_gem_object *omap_gem_new(struct drm_device *dev,
190 union omap_gem_size gsize, uint32_t flags);
191int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
192 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
193void omap_gem_free_object(struct drm_gem_object *obj);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600194void *omap_gem_vaddr(struct drm_gem_object *obj);
195int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
196 uint32_t handle, uint64_t *offset);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600197int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
198 struct drm_mode_create_dumb *args);
199int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
Rob Clark8b6b5692012-05-17 02:37:25 -0600200int omap_gem_mmap_obj(struct drm_gem_object *obj,
201 struct vm_area_struct *vma);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600202int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
203int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
204int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
205int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
206int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
207 void (*fxn)(void *arg), void *arg);
Rob Clarka6a91822011-12-09 23:26:08 -0600208int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
Rob Clark8b6b5692012-05-17 02:37:25 -0600209void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
210void omap_gem_dma_sync(struct drm_gem_object *obj,
211 enum dma_data_direction dir);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600212int omap_gem_get_paddr(struct drm_gem_object *obj,
213 dma_addr_t *paddr, bool remap);
214int omap_gem_put_paddr(struct drm_gem_object *obj);
Rob Clark6ad11bc2012-04-10 13:19:55 -0500215int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
216 bool remap);
217int omap_gem_put_pages(struct drm_gem_object *obj);
218uint32_t omap_gem_flags(struct drm_gem_object *obj);
Rob Clark3c810c62012-08-15 15:18:01 -0500219int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
220 int x, int y, dma_addr_t *paddr);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600221uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
Rob Clarkf7f9f452011-12-05 19:19:22 -0600222size_t omap_gem_mmap_size(struct drm_gem_object *obj);
Rob Clark3c810c62012-08-15 15:18:01 -0500223int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
224int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600225
YAMANE Toshiaki7ced63c2012-11-14 19:30:52 +0900226struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
Rob Clark6ad11bc2012-04-10 13:19:55 -0500227 struct drm_gem_object *obj, int flags);
YAMANE Toshiaki7ced63c2012-11-14 19:30:52 +0900228struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
Rob Clark3080b832012-05-17 02:37:26 -0600229 struct dma_buf *buffer);
Rob Clark6ad11bc2012-04-10 13:19:55 -0500230
Rob Clarkcd5351f2011-11-12 12:09:40 -0600231static inline int align_pitch(int pitch, int width, int bpp)
232{
233 int bytespp = (bpp + 7) / 8;
234 /* in case someone tries to feed us a completely bogus stride: */
235 pitch = max(pitch, width * bytespp);
236 /* PVR needs alignment to 8 pixels.. right now that is the most
237 * restrictive stride requirement..
238 */
239 return ALIGN(pitch, 8 * bytespp);
240}
241
Rob Clarkf5f94542012-12-04 13:59:12 -0600242/* map crtc to vblank mask */
Archit Taneja0d8f3712013-03-26 19:15:19 +0530243uint32_t pipe2vbl(struct drm_crtc *crtc);
244struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
Rob Clarkf5f94542012-12-04 13:59:12 -0600245
Rob Clarkae43d7c2012-01-16 12:51:15 -0600246/* should these be made into common util helpers?
247 */
248
249static inline int objects_lookup(struct drm_device *dev,
250 struct drm_file *filp, uint32_t pixel_format,
251 struct drm_gem_object **bos, uint32_t *handles)
252{
253 int i, n = drm_format_num_planes(pixel_format);
254
255 for (i = 0; i < n; i++) {
256 bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900257 if (!bos[i])
Rob Clarkae43d7c2012-01-16 12:51:15 -0600258 goto fail;
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900259
Rob Clarkae43d7c2012-01-16 12:51:15 -0600260 }
261
262 return 0;
263
264fail:
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900265 while (--i > 0)
Rob Clarkae43d7c2012-01-16 12:51:15 -0600266 drm_gem_object_unreference_unlocked(bos[i]);
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900267
Rob Clarkae43d7c2012-01-16 12:51:15 -0600268 return -ENOENT;
269}
270
Rob Clarkcd5351f2011-11-12 12:09:40 -0600271#endif /* __OMAP_DRV_H__ */