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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
Tomi Valkeinen35a339a2016-02-19 16:54:36 +020034#include "dss/omapdss.h"
35
Rob Clarkcd5351f2011-11-12 12:09:40 -060036#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
37#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt, ##__VA_ARGS__) /* verbose debug */
38
39#define MODULE_NAME "omapdrm"
40
Laurent Pinchartf4302742015-12-14 22:39:34 +020041struct omap_drm_usergart;
42
Rob Clarkf5f94542012-12-04 13:59:12 -060043/* parameters which describe (unrotated) coordinates of scanout within a fb: */
44struct omap_drm_window {
45 uint32_t rotation;
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;
50};
51
Rob Clarkf5f94542012-12-04 13:59:12 -060052/* For transiently registering for different DSS irqs that various parts
53 * of the KMS code need during setup/configuration. We these are not
54 * necessarily the same as what drm_vblank_get/put() are requesting, and
55 * the hysteresis in drm_vblank_put() is not necessarily desirable for
56 * internal housekeeping related irq usage.
57 */
58struct omap_drm_irq {
59 struct list_head node;
60 uint32_t irqmask;
61 bool registered;
62 void (*irq)(struct omap_drm_irq *irq, uint32_t irqstatus);
63};
64
65/* For KMS code that needs to wait for a certain # of IRQs:
66 */
67struct omap_irq_wait;
68struct omap_irq_wait * omap_irq_wait_init(struct drm_device *dev,
69 uint32_t irqmask, int count);
70int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait,
71 unsigned long timeout);
72
Rob Clarkcd5351f2011-11-12 12:09:40 -060073struct omap_drm_private {
Rob Clark5e3b0872012-10-29 09:31:12 +010074 uint32_t omaprev;
75
Rob Clarkcd5351f2011-11-12 12:09:40 -060076 unsigned int num_crtcs;
77 struct drm_crtc *crtcs[8];
Rob Clarkf6b60362012-03-05 10:48:36 -060078
Rob Clarkbb5c2d92012-01-16 12:51:16 -060079 unsigned int num_planes;
80 struct drm_plane *planes[8];
Rob Clarkf6b60362012-03-05 10:48:36 -060081
Rob Clarkcd5351f2011-11-12 12:09:40 -060082 unsigned int num_encoders;
83 struct drm_encoder *encoders[8];
Rob Clarkf6b60362012-03-05 10:48:36 -060084
Rob Clarkcd5351f2011-11-12 12:09:40 -060085 unsigned int num_connectors;
86 struct drm_connector *connectors[8];
87
88 struct drm_fb_helper *fbdev;
Rob Clarka6a91822011-12-09 23:26:08 -060089
Rob Clark5609f7f2012-03-05 10:48:32 -060090 struct workqueue_struct *wq;
91
Tomi Valkeinen76c40552014-12-17 14:34:22 +020092 /* lock for obj_list below */
93 spinlock_t list_lock;
94
Rob Clarkf5f94542012-12-04 13:59:12 -060095 /* list of GEM objects: */
Rob Clarkf6b60362012-03-05 10:48:36 -060096 struct list_head obj_list;
97
Laurent Pinchartf4302742015-12-14 22:39:34 +020098 struct omap_drm_usergart *usergart;
Rob Clarka6a91822011-12-09 23:26:08 -060099 bool has_dmm;
Rob Clark3c810c62012-08-15 15:18:01 -0500100
101 /* properties: */
Andre Renaud8451b5a2012-08-15 15:18:02 -0500102 struct drm_property *zorder_prop;
Rob Clarkf5f94542012-12-04 13:59:12 -0600103
104 /* irq handling: */
105 struct list_head irq_list; /* list of omap_drm_irq */
106 uint32_t vblank_mask; /* irq bits set for userspace vblank */
107 struct omap_drm_irq error_handler;
Laurent Pinchart748471a52015-03-05 23:42:39 +0200108
109 /* atomic commit */
110 struct {
111 wait_queue_head_t wait;
112 u32 pending;
113 spinlock_t lock; /* Protects commit.pending */
114 } commit;
Rob Clark3c810c62012-08-15 15:18:01 -0500115};
116
Rob Clark3c810c62012-08-15 15:18:01 -0500117
Andy Gross6169a1482011-12-15 21:05:17 -0600118#ifdef CONFIG_DEBUG_FS
119int omap_debugfs_init(struct drm_minor *minor);
120void omap_debugfs_cleanup(struct drm_minor *minor);
Rob Clarkf6b60362012-03-05 10:48:36 -0600121void omap_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
122void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
123void omap_gem_describe_objects(struct list_head *list, struct seq_file *m);
Andy Gross6169a1482011-12-15 21:05:17 -0600124#endif
125
Andy Gross4836d152012-12-19 14:53:37 -0600126#ifdef CONFIG_PM
127int omap_gem_resume(struct device *dev);
128#endif
129
Thierry Reding88e72712015-09-24 18:35:31 +0200130int omap_irq_enable_vblank(struct drm_device *dev, unsigned int pipe);
131void omap_irq_disable_vblank(struct drm_device *dev, unsigned int pipe);
Tomi Valkeinen6da9f892013-10-24 09:50:50 +0300132void __omap_irq_register(struct drm_device *dev, struct omap_drm_irq *irq);
133void __omap_irq_unregister(struct drm_device *dev, struct omap_drm_irq *irq);
Rob Clarkf5f94542012-12-04 13:59:12 -0600134void 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);
Laurent Pinchartf13ab002015-01-25 22:06:45 +0200136void omap_drm_irq_uninstall(struct drm_device *dev);
Rob Clarkf5f94542012-12-04 13:59:12 -0600137int omap_drm_irq_install(struct drm_device *dev);
138
Laurent Pincharte1c11742015-12-14 22:39:30 +0200139#ifdef CONFIG_DRM_FBDEV_EMULATION
Rob Clarkcd5351f2011-11-12 12:09:40 -0600140struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev);
141void omap_fbdev_free(struct drm_device *dev);
Laurent Pincharte1c11742015-12-14 22:39:30 +0200142#else
143static inline struct drm_fb_helper *omap_fbdev_init(struct drm_device *dev)
144{
145 return NULL;
146}
147static inline void omap_fbdev_free(struct drm_device *dev)
148{
149}
150#endif
Rob Clarkcd5351f2011-11-12 12:09:40 -0600151
Laurent Pinchart40297552015-05-28 02:34:05 +0300152struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
Rob Clarkf5f94542012-12-04 13:59:12 -0600153enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
Tomi Valkeinen04b1fc02013-05-14 10:55:19 +0300154void omap_crtc_pre_init(void);
Archit Taneja3a01ab22014-01-02 14:49:51 +0530155void omap_crtc_pre_uninit(void);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600156struct drm_crtc *omap_crtc_init(struct drm_device *dev,
Rob Clarkf5f94542012-12-04 13:59:12 -0600157 struct drm_plane *plane, enum omap_channel channel, int id);
Tomi Valkeinen5f741b32015-05-29 16:01:18 +0300158int omap_crtc_wait_pending(struct drm_crtc *crtc);
Rob Clarkbb5c2d92012-01-16 12:51:16 -0600159
160struct drm_plane *omap_plane_init(struct drm_device *dev,
Laurent Pinchartef6b0e02015-01-11 00:11:18 +0200161 int id, enum drm_plane_type type);
Rob Clark3c810c62012-08-15 15:18:01 -0500162void omap_plane_install_properties(struct drm_plane *plane,
163 struct drm_mode_object *obj);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600164
165struct drm_encoder *omap_encoder_init(struct drm_device *dev,
Rob Clarkf5f94542012-12-04 13:59:12 -0600166 struct omap_dss_device *dssdev);
Rob Clarkf5f94542012-12-04 13:59:12 -0600167
168struct drm_connector *omap_connector_init(struct drm_device *dev,
169 int connector_type, struct omap_dss_device *dssdev,
Rob Clarkcd5351f2011-11-12 12:09:40 -0600170 struct drm_encoder *encoder);
171struct drm_encoder *omap_connector_attached_encoder(
172 struct drm_connector *connector);
Tomi Valkeinen4f930c02014-06-18 14:19:48 +0300173bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600174
Rob Clarkf5f94542012-12-04 13:59:12 -0600175void copy_timings_omap_to_drm(struct drm_display_mode *mode,
176 struct omap_video_timings *timings);
177void copy_timings_drm_to_omap(struct omap_video_timings *timings,
178 struct drm_display_mode *mode);
179
Rob Clarka890e662012-03-05 10:48:31 -0600180uint32_t omap_framebuffer_get_formats(uint32_t *pixel_formats,
181 uint32_t max_formats, enum omap_color_mode supported_modes);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600182struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
Ville Syrjälä1eb83452015-11-11 19:11:29 +0200183 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600184struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
Ville Syrjälä1eb83452015-11-11 19:11:29 +0200185 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
Rob Clark9a0774e2012-01-16 12:51:17 -0600186struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
Rob Clark5833bd22013-08-07 13:41:21 -0400187int omap_framebuffer_pin(struct drm_framebuffer *fb);
Tomi Valkeinen9c368502015-04-28 14:01:35 +0300188void omap_framebuffer_unpin(struct drm_framebuffer *fb);
Rob Clark3c810c62012-08-15 15:18:01 -0500189void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
190 struct omap_drm_window *win, struct omap_overlay_info *info);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600191struct drm_connector *omap_framebuffer_get_next_connector(
192 struct drm_framebuffer *fb, struct drm_connector *from);
Tomi Valkeinenbfeece52015-08-27 13:09:22 +0300193bool omap_framebuffer_supports_rotation(struct drm_framebuffer *fb);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600194
Rob Clarkf7f9f452011-12-05 19:19:22 -0600195void omap_gem_init(struct drm_device *dev);
196void omap_gem_deinit(struct drm_device *dev);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600197
198struct drm_gem_object *omap_gem_new(struct drm_device *dev,
199 union omap_gem_size gsize, uint32_t flags);
Laurent Pinchartb22e6692015-12-14 22:39:44 +0200200struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
201 struct sg_table *sgt);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600202int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file,
203 union omap_gem_size gsize, uint32_t flags, uint32_t *handle);
204void omap_gem_free_object(struct drm_gem_object *obj);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600205void *omap_gem_vaddr(struct drm_gem_object *obj);
206int omap_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
207 uint32_t handle, uint64_t *offset);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600208int omap_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
209 struct drm_mode_create_dumb *args);
210int omap_gem_mmap(struct file *filp, struct vm_area_struct *vma);
Rob Clark8b6b5692012-05-17 02:37:25 -0600211int omap_gem_mmap_obj(struct drm_gem_object *obj,
212 struct vm_area_struct *vma);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600213int omap_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
214int omap_gem_op_start(struct drm_gem_object *obj, enum omap_gem_op op);
215int omap_gem_op_finish(struct drm_gem_object *obj, enum omap_gem_op op);
216int omap_gem_op_sync(struct drm_gem_object *obj, enum omap_gem_op op);
217int omap_gem_op_async(struct drm_gem_object *obj, enum omap_gem_op op,
218 void (*fxn)(void *arg), void *arg);
Rob Clarka6a91822011-12-09 23:26:08 -0600219int omap_gem_roll(struct drm_gem_object *obj, uint32_t roll);
Rob Clark8b6b5692012-05-17 02:37:25 -0600220void omap_gem_cpu_sync(struct drm_gem_object *obj, int pgoff);
221void omap_gem_dma_sync(struct drm_gem_object *obj,
222 enum dma_data_direction dir);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600223int omap_gem_get_paddr(struct drm_gem_object *obj,
224 dma_addr_t *paddr, bool remap);
Tomi Valkeinen393a9492015-04-28 14:01:36 +0300225void omap_gem_put_paddr(struct drm_gem_object *obj);
Rob Clark6ad11bc2012-04-10 13:19:55 -0500226int omap_gem_get_pages(struct drm_gem_object *obj, struct page ***pages,
227 bool remap);
228int omap_gem_put_pages(struct drm_gem_object *obj);
229uint32_t omap_gem_flags(struct drm_gem_object *obj);
Rob Clark3c810c62012-08-15 15:18:01 -0500230int omap_gem_rotated_paddr(struct drm_gem_object *obj, uint32_t orient,
231 int x, int y, dma_addr_t *paddr);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600232uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj);
Rob Clarkf7f9f452011-12-05 19:19:22 -0600233size_t omap_gem_mmap_size(struct drm_gem_object *obj);
Rob Clark3c810c62012-08-15 15:18:01 -0500234int omap_gem_tiled_size(struct drm_gem_object *obj, uint16_t *w, uint16_t *h);
235int omap_gem_tiled_stride(struct drm_gem_object *obj, uint32_t orient);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600236
YAMANE Toshiaki7ced63c2012-11-14 19:30:52 +0900237struct dma_buf *omap_gem_prime_export(struct drm_device *dev,
Rob Clark6ad11bc2012-04-10 13:19:55 -0500238 struct drm_gem_object *obj, int flags);
YAMANE Toshiaki7ced63c2012-11-14 19:30:52 +0900239struct drm_gem_object *omap_gem_prime_import(struct drm_device *dev,
Rob Clark3080b832012-05-17 02:37:26 -0600240 struct dma_buf *buffer);
Rob Clark6ad11bc2012-04-10 13:19:55 -0500241
Rob Clarkcd5351f2011-11-12 12:09:40 -0600242static inline int align_pitch(int pitch, int width, int bpp)
243{
244 int bytespp = (bpp + 7) / 8;
245 /* in case someone tries to feed us a completely bogus stride: */
246 pitch = max(pitch, width * bytespp);
247 /* PVR needs alignment to 8 pixels.. right now that is the most
248 * restrictive stride requirement..
249 */
Tomi Valkeinend642d3a2015-05-08 13:32:31 +0300250 return roundup(pitch, 8 * bytespp);
Rob Clarkcd5351f2011-11-12 12:09:40 -0600251}
252
Rob Clarkf5f94542012-12-04 13:59:12 -0600253/* map crtc to vblank mask */
Archit Taneja0d8f3712013-03-26 19:15:19 +0530254uint32_t pipe2vbl(struct drm_crtc *crtc);
255struct omap_dss_device *omap_encoder_get_dssdev(struct drm_encoder *encoder);
Rob Clarkf5f94542012-12-04 13:59:12 -0600256
Rob Clarkae43d7c2012-01-16 12:51:15 -0600257/* should these be made into common util helpers?
258 */
259
260static inline int objects_lookup(struct drm_device *dev,
261 struct drm_file *filp, uint32_t pixel_format,
Ville Syrjälä1eb83452015-11-11 19:11:29 +0200262 struct drm_gem_object **bos, const uint32_t *handles)
Rob Clarkae43d7c2012-01-16 12:51:15 -0600263{
264 int i, n = drm_format_num_planes(pixel_format);
265
266 for (i = 0; i < n; i++) {
267 bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900268 if (!bos[i])
Rob Clarkae43d7c2012-01-16 12:51:15 -0600269 goto fail;
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900270
Rob Clarkae43d7c2012-01-16 12:51:15 -0600271 }
272
273 return 0;
274
275fail:
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900276 while (--i > 0)
Rob Clarkae43d7c2012-01-16 12:51:15 -0600277 drm_gem_object_unreference_unlocked(bos[i]);
YAMANE Toshiakibc1e15812012-11-14 19:31:09 +0900278
Rob Clarkae43d7c2012-01-16 12:51:15 -0600279 return -ENOENT;
280}
281
Rob Clarkcd5351f2011-11-12 12:09:40 -0600282#endif /* __OMAP_DRV_H__ */