driver.h (7760B)
1 /* 2 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 3 * Copyright 2019 NVIDIA CORPORATION 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 * 27 * Author: Alan Hourihane <alanh@tungstengraphics.com> 28 * Additional contributors: 29 * Aaron Plattner <aplattner@nvidia.com> 30 */ 31 32 #include <errno.h> 33 #include <drm.h> 34 #include <xf86drm.h> 35 #include <xf86Crtc.h> 36 #include <damage.h> 37 #include <X11/extensions/dpmsconst.h> 38 #include <shadow.h> 39 #ifdef GLAMOR_HAS_GBM 40 #define GLAMOR_FOR_XORG 1 41 #include "glamor.h" 42 #include <gbm.h> 43 #endif 44 45 #include "drmmode_display.h" 46 #define MS_LOGLEVEL_DEBUG 4 47 48 struct ms_vrr_priv { 49 Bool variable_refresh; 50 }; 51 52 typedef enum { 53 OPTION_SW_CURSOR, 54 OPTION_DEVICE_PATH, 55 OPTION_SHADOW_FB, 56 OPTION_ACCEL_METHOD, 57 OPTION_PAGEFLIP, 58 OPTION_ZAPHOD_HEADS, 59 OPTION_DOUBLE_SHADOW, 60 OPTION_ATOMIC, 61 OPTION_VARIABLE_REFRESH, 62 OPTION_USE_GAMMA_LUT, 63 OPTION_ASYNC_FLIP_SECONDARIES, 64 } modesettingOpts; 65 66 typedef struct 67 { 68 int fd; 69 int fd_ref; 70 unsigned long fd_wakeup_registered; /* server generation for which fd has been registered for wakeup handling */ 71 int fd_wakeup_ref; 72 unsigned int assigned_crtcs; 73 } modesettingEntRec, *modesettingEntPtr; 74 75 typedef void (*ms_drm_handler_proc)(uint64_t frame, 76 uint64_t usec, 77 void *data); 78 79 typedef void (*ms_drm_abort_proc)(void *data); 80 81 /** 82 * A tracked handler for an event that will hopefully be generated by 83 * the kernel, and what to do when it is encountered. 84 */ 85 struct ms_drm_queue { 86 struct xorg_list list; 87 xf86CrtcPtr crtc; 88 uint32_t seq; 89 void *data; 90 ScrnInfoPtr scrn; 91 ms_drm_handler_proc handler; 92 ms_drm_abort_proc abort; 93 }; 94 95 typedef struct _modesettingRec { 96 int fd; 97 Bool fd_passed; 98 99 int Chipset; 100 EntityInfoPtr pEnt; 101 102 Bool noAccel; 103 CloseScreenProcPtr CloseScreen; 104 CreateWindowProcPtr CreateWindow; 105 unsigned int SaveGeneration; 106 107 CreateScreenResourcesProcPtr createScreenResources; 108 ScreenBlockHandlerProcPtr BlockHandler; 109 miPointerSpriteFuncPtr SpriteFuncs; 110 void *driver; 111 112 drmmode_rec drmmode; 113 114 drmEventContext event_context; 115 116 /** 117 * Page flipping stuff. 118 * @{ 119 */ 120 Bool atomic_modeset_capable; 121 Bool atomic_modeset; 122 Bool pending_modeset; 123 /** @} */ 124 125 DamagePtr damage; 126 Bool dirty_enabled; 127 128 uint32_t cursor_width, cursor_height; 129 130 Bool has_queue_sequence; 131 Bool tried_queue_sequence; 132 133 Bool kms_has_modifiers; 134 135 /* VRR support */ 136 Bool vrr_support; 137 WindowPtr flip_window; 138 139 Bool is_connector_vrr_capable; 140 uint32_t connector_prop_id; 141 142 /* shadow API */ 143 struct { 144 Bool (*Setup)(ScreenPtr); 145 Bool (*Add)(ScreenPtr, PixmapPtr, ShadowUpdateProc, ShadowWindowProc, 146 int, void *); 147 void (*Remove)(ScreenPtr, PixmapPtr); 148 void (*Update32to24)(ScreenPtr, shadowBufPtr); 149 void (*UpdatePacked)(ScreenPtr, shadowBufPtr); 150 } shadow; 151 152 #ifdef GLAMOR_HAS_GBM 153 /* glamor API */ 154 struct { 155 Bool (*back_pixmap_from_fd)(PixmapPtr, int, CARD16, CARD16, CARD16, 156 CARD8, CARD8); 157 void (*block_handler)(ScreenPtr); 158 void (*clear_pixmap)(PixmapPtr); 159 Bool (*egl_create_textured_pixmap)(PixmapPtr, int, int); 160 Bool (*egl_create_textured_pixmap_from_gbm_bo)(PixmapPtr, 161 struct gbm_bo *, 162 Bool); 163 void (*egl_exchange_buffers)(PixmapPtr, PixmapPtr); 164 struct gbm_device *(*egl_get_gbm_device)(ScreenPtr); 165 Bool (*egl_init)(ScrnInfoPtr, int); 166 void (*finish)(ScreenPtr); 167 struct gbm_bo *(*gbm_bo_from_pixmap)(ScreenPtr, PixmapPtr); 168 Bool (*init)(ScreenPtr, unsigned int); 169 int (*name_from_pixmap)(PixmapPtr, CARD16 *, CARD32 *); 170 void (*set_drawable_modifiers_func)(ScreenPtr, 171 GetDrawableModifiersFuncPtr); 172 int (*shareable_fd_from_pixmap)(ScreenPtr, PixmapPtr, CARD16 *, 173 CARD32 *); 174 Bool (*supports_pixmap_import_export)(ScreenPtr); 175 XF86VideoAdaptorPtr (*xv_init)(ScreenPtr, int); 176 const char *(*egl_get_driver_name)(ScreenPtr); 177 } glamor; 178 #endif 179 } modesettingRec, *modesettingPtr; 180 181 #define glamor_finish(screen) ms->glamor.finish(screen) 182 183 #define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate)) 184 modesettingEntPtr ms_ent_priv(ScrnInfoPtr scrn); 185 186 uint32_t ms_drm_queue_alloc(xf86CrtcPtr crtc, 187 void *data, 188 ms_drm_handler_proc handler, 189 ms_drm_abort_proc abort); 190 191 typedef enum ms_queue_flag { 192 MS_QUEUE_ABSOLUTE = 0, 193 MS_QUEUE_RELATIVE = 1, 194 MS_QUEUE_NEXT_ON_MISS = 2 195 } ms_queue_flag; 196 197 Bool ms_queue_vblank(xf86CrtcPtr crtc, ms_queue_flag flags, 198 uint64_t msc, uint64_t *msc_queued, uint32_t seq); 199 200 void ms_drm_abort(ScrnInfoPtr scrn, 201 Bool (*match)(void *data, void *match_data), 202 void *match_data); 203 void ms_drm_abort_seq(ScrnInfoPtr scrn, uint32_t seq); 204 205 Bool xf86_crtc_on(xf86CrtcPtr crtc); 206 207 xf86CrtcPtr ms_dri2_crtc_covering_drawable(DrawablePtr pDraw); 208 RRCrtcPtr ms_randr_crtc_covering_drawable(DrawablePtr pDraw); 209 210 int ms_get_crtc_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc); 211 212 uint64_t ms_kernel_msc_to_crtc_msc(xf86CrtcPtr crtc, uint64_t sequence, Bool is64bit); 213 214 215 Bool ms_dri2_screen_init(ScreenPtr screen); 216 void ms_dri2_close_screen(ScreenPtr screen); 217 218 Bool ms_vblank_screen_init(ScreenPtr screen); 219 void ms_vblank_close_screen(ScreenPtr screen); 220 221 Bool ms_present_screen_init(ScreenPtr screen); 222 223 #ifdef GLAMOR_HAS_GBM 224 225 typedef void (*ms_pageflip_handler_proc)(modesettingPtr ms, 226 uint64_t frame, 227 uint64_t usec, 228 void *data); 229 230 typedef void (*ms_pageflip_abort_proc)(modesettingPtr ms, void *data); 231 232 Bool ms_do_pageflip(ScreenPtr screen, 233 PixmapPtr new_front, 234 void *event, 235 int ref_crtc_vblank_pipe, 236 Bool async, 237 ms_pageflip_handler_proc pageflip_handler, 238 ms_pageflip_abort_proc pageflip_abort, 239 const char *log_prefix); 240 241 #endif 242 243 int ms_flush_drm_events(ScreenPtr screen); 244 Bool ms_window_has_variable_refresh(modesettingPtr ms, WindowPtr win); 245 void ms_present_set_screen_vrr(ScrnInfoPtr scrn, Bool vrr_enabled);