driver.h revision 4e185dc0 
1/*
2 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 *
26 * Author: Alan Hourihane <alanh@tungstengraphics.com>
27 *
28 */
29
30#include <errno.h>
31#include <drm.h>
32#include <xf86drm.h>
33#include <xf86Crtc.h>
34#include <damage.h>
35#include <X11/extensions/dpmsconst.h>
36
37#ifdef GLAMOR_HAS_GBM
38#define GLAMOR_FOR_XORG 1
39#include "glamor.h"
40#include <gbm.h>
41#endif
42
43#include "drmmode_display.h"
44#define MS_LOGLEVEL_DEBUG 4
45
46typedef enum {
47    OPTION_SW_CURSOR,
48    OPTION_DEVICE_PATH,
49    OPTION_SHADOW_FB,
50    OPTION_ACCEL_METHOD,
51    OPTION_PAGEFLIP,
52    OPTION_ZAPHOD_HEADS,
53    OPTION_DOUBLE_SHADOW,
54} modesettingOpts;
55
56typedef struct
57{
58    int fd;
59    int fd_ref;
60    unsigned long fd_wakeup_registered; /* server generation for which fd has been registered for wakeup handling */
61    int fd_wakeup_ref;
62    unsigned int assigned_crtcs;
63} modesettingEntRec, *modesettingEntPtr;
64
65typedef void (*ms_drm_handler_proc)(uint64_t frame,
66                                    uint64_t usec,
67                                    void *data);
68
69typedef void (*ms_drm_abort_proc)(void *data);
70
71/**
72 * A tracked handler for an event that will hopefully be generated by
73 * the kernel, and what to do when it is encountered.
74 */
75struct ms_drm_queue {
76    struct xorg_list list;
77    xf86CrtcPtr crtc;
78    uint32_t seq;
79    void *data;
80    ScrnInfoPtr scrn;
81    ms_drm_handler_proc handler;
82    ms_drm_abort_proc abort;
83};
84
85typedef struct _modesettingRec {
86    int fd;
87    Bool fd_passed;
88
89    int Chipset;
90    EntityInfoPtr pEnt;
91
92    Bool noAccel;
93    CloseScreenProcPtr CloseScreen;
94    CreateWindowProcPtr CreateWindow;
95    unsigned int SaveGeneration;
96
97    CreateScreenResourcesProcPtr createScreenResources;
98    ScreenBlockHandlerProcPtr BlockHandler;
99    void *driver;
100
101    drmmode_rec drmmode;
102
103    drmEventContext event_context;
104
105    /**
106     * Page flipping stuff.
107     *  @{
108     */
109    Bool atomic_modeset;
110    Bool pending_modeset;
111    /** @} */
112
113    DamagePtr damage;
114    Bool dirty_enabled;
115
116    uint32_t cursor_width, cursor_height;
117
118    Bool has_queue_sequence;
119    Bool tried_queue_sequence;
120
121    Bool kms_has_modifiers;
122
123} modesettingRec, *modesettingPtr;
124
125#define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate))
126modesettingEntPtr ms_ent_priv(ScrnInfoPtr scrn);
127
128uint32_t ms_drm_queue_alloc(xf86CrtcPtr crtc,
129                            void *data,
130                            ms_drm_handler_proc handler,
131                            ms_drm_abort_proc abort);
132
133typedef enum ms_queue_flag {
134    MS_QUEUE_ABSOLUTE = 0,
135    MS_QUEUE_RELATIVE = 1,
136    MS_QUEUE_NEXT_ON_MISS = 2
137} ms_queue_flag;
138
139Bool ms_queue_vblank(xf86CrtcPtr crtc, ms_queue_flag flags,
140                     uint64_t msc, uint64_t *msc_queued, uint32_t seq);
141
142void ms_drm_abort(ScrnInfoPtr scrn,
143                  Bool (*match)(void *data, void *match_data),
144                  void *match_data);
145void ms_drm_abort_seq(ScrnInfoPtr scrn, uint32_t seq);
146
147Bool ms_crtc_on(xf86CrtcPtr crtc);
148
149xf86CrtcPtr ms_dri2_crtc_covering_drawable(DrawablePtr pDraw);
150RRCrtcPtr   ms_randr_crtc_covering_drawable(DrawablePtr pDraw);
151
152int ms_get_crtc_ust_msc(xf86CrtcPtr crtc, uint64_t *ust, uint64_t *msc);
153
154uint64_t ms_kernel_msc_to_crtc_msc(xf86CrtcPtr crtc, uint64_t sequence, Bool is64bit);
155
156
157Bool ms_dri2_screen_init(ScreenPtr screen);
158void ms_dri2_close_screen(ScreenPtr screen);
159
160Bool ms_vblank_screen_init(ScreenPtr screen);
161void ms_vblank_close_screen(ScreenPtr screen);
162
163Bool ms_present_screen_init(ScreenPtr screen);
164
165#ifdef GLAMOR_HAS_GBM
166
167typedef void (*ms_pageflip_handler_proc)(modesettingPtr ms,
168                                         uint64_t frame,
169                                         uint64_t usec,
170                                         void *data);
171
172typedef void (*ms_pageflip_abort_proc)(modesettingPtr ms, void *data);
173
174Bool ms_do_pageflip(ScreenPtr screen,
175                    PixmapPtr new_front,
176                    void *event,
177                    int ref_crtc_vblank_pipe,
178                    Bool async,
179                    ms_pageflip_handler_proc pageflip_handler,
180                    ms_pageflip_abort_proc pageflip_abort);
181
182#endif
183
184int ms_flush_drm_events(ScreenPtr screen);
185