driver.h revision d44ca368 
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    OPTION_ATOMIC,
55} modesettingOpts;
56
57typedef struct
58{
59    int fd;
60    int fd_ref;
61    unsigned long fd_wakeup_registered; /* server generation for which fd has been registered for wakeup handling */
62    int fd_wakeup_ref;
63    unsigned int assigned_crtcs;
64} modesettingEntRec, *modesettingEntPtr;
65
66typedef void (*ms_drm_handler_proc)(uint64_t frame,
67                                    uint64_t usec,
68                                    void *data);
69
70typedef void (*ms_drm_abort_proc)(void *data);
71
72/**
73 * A tracked handler for an event that will hopefully be generated by
74 * the kernel, and what to do when it is encountered.
75 */
76struct ms_drm_queue {
77    struct xorg_list list;
78    xf86CrtcPtr crtc;
79    uint32_t seq;
80    void *data;
81    ScrnInfoPtr scrn;
82    ms_drm_handler_proc handler;
83    ms_drm_abort_proc abort;
84};
85
86typedef struct _modesettingRec {
87    int fd;
88    Bool fd_passed;
89
90    int Chipset;
91    EntityInfoPtr pEnt;
92
93    Bool noAccel;
94    CloseScreenProcPtr CloseScreen;
95    CreateWindowProcPtr CreateWindow;
96    unsigned int SaveGeneration;
97
98    CreateScreenResourcesProcPtr createScreenResources;
99    ScreenBlockHandlerProcPtr BlockHandler;
100    miPointerSpriteFuncPtr SpriteFuncs;
101    void *driver;
102
103    drmmode_rec drmmode;
104
105    drmEventContext event_context;
106
107    /**
108     * Page flipping stuff.
109     *  @{
110     */
111    Bool atomic_modeset;
112    Bool pending_modeset;
113    /** @} */
114
115    DamagePtr damage;
116    Bool dirty_enabled;
117
118    uint32_t cursor_width, cursor_height;
119
120    Bool has_queue_sequence;
121    Bool tried_queue_sequence;
122
123    Bool kms_has_modifiers;
124
125} modesettingRec, *modesettingPtr;
126
127#define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate))
128modesettingEntPtr ms_ent_priv(ScrnInfoPtr scrn);
129
130uint32_t ms_drm_queue_alloc(xf86CrtcPtr crtc,
131                            void *data,
132                            ms_drm_handler_proc handler,
133                            ms_drm_abort_proc abort);
134
135typedef enum ms_queue_flag {
136    MS_QUEUE_ABSOLUTE = 0,
137    MS_QUEUE_RELATIVE = 1,
138    MS_QUEUE_NEXT_ON_MISS = 2
139} ms_queue_flag;
140
141Bool ms_queue_vblank(xf86CrtcPtr crtc, ms_queue_flag flags,
142                     uint64_t msc, uint64_t *msc_queued, uint32_t seq);
143
144void ms_drm_abort(ScrnInfoPtr scrn,
145                  Bool (*match)(void *data, void *match_data),
146                  void *match_data);
147void ms_drm_abort_seq(ScrnInfoPtr scrn, uint32_t seq);
148
149Bool xf86_crtc_on(xf86CrtcPtr crtc);
150
151xf86CrtcPtr ms_dri2_crtc_covering_drawable(DrawablePtr pDraw);
152RRCrtcPtr   ms_randr_crtc_covering_drawable(DrawablePtr pDraw);
153
154int ms_get_crtc_ust_msc(xf86CrtcPtr crtc, uint64_t *ust, uint64_t *msc);
155
156uint64_t ms_kernel_msc_to_crtc_msc(xf86CrtcPtr crtc, uint64_t sequence, Bool is64bit);
157
158
159Bool ms_dri2_screen_init(ScreenPtr screen);
160void ms_dri2_close_screen(ScreenPtr screen);
161
162Bool ms_vblank_screen_init(ScreenPtr screen);
163void ms_vblank_close_screen(ScreenPtr screen);
164
165Bool ms_present_screen_init(ScreenPtr screen);
166
167#ifdef GLAMOR_HAS_GBM
168
169typedef void (*ms_pageflip_handler_proc)(modesettingPtr ms,
170                                         uint64_t frame,
171                                         uint64_t usec,
172                                         void *data);
173
174typedef void (*ms_pageflip_abort_proc)(modesettingPtr ms, void *data);
175
176Bool ms_do_pageflip(ScreenPtr screen,
177                    PixmapPtr new_front,
178                    void *event,
179                    int ref_crtc_vblank_pipe,
180                    Bool async,
181                    ms_pageflip_handler_proc pageflip_handler,
182                    ms_pageflip_abort_proc pageflip_abort);
183
184#endif
185
186int ms_flush_drm_events(ScreenPtr screen);
187