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 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
28 *
29 */
30
31 #include <unistd.h>
32 #include <string.h>
33 #include <assert.h>
34 #include <stdlib.h>
35 #include <math.h>
36 #include <stdint.h>
37
38 #include "xorg-server.h"
39 #include <xf86.h>
40 #include <xf86i2c.h>
41 #include <xf86Crtc.h>
42 #include <cursorstr.h>
43 #include "xorg_tracker.h"
44 #include "xf86Modes.h"
45
46 #ifdef HAVE_XEXTPROTO_71
47 #include <X11/extensions/dpmsconst.h>
48 #else
49 #define DPMS_SERVER
50 #include <X11/extensions/dpms.h>
51 #endif
52
53 #include "state_tracker/drm_driver.h"
54 #include "util/u_inlines.h"
55 #include "util/u_rect.h"
56
57 #ifdef HAVE_LIBKMS
58 #include "libkms/libkms.h"
59 #endif
60
61 struct crtc_private
62 {
63 drmModeCrtcPtr drm_crtc;
64
65 /* hwcursor */
66 struct pipe_resource *cursor_tex;
67 struct kms_bo *cursor_bo;
68
69 unsigned cursor_handle;
70 };
71
72 static void
crtc_dpms(xf86CrtcPtr crtc,int mode)73 crtc_dpms(xf86CrtcPtr crtc, int mode)
74 {
75 /* ScrnInfoPtr pScrn = crtc->scrn; */
76
77 switch (mode) {
78 case DPMSModeOn:
79 case DPMSModeStandby:
80 case DPMSModeSuspend:
81 break;
82 case DPMSModeOff:
83 break;
84 }
85 }
86
87 static Bool
crtc_set_mode_major(xf86CrtcPtr crtc,DisplayModePtr mode,Rotation rotation,int x,int y)88 crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
89 Rotation rotation, int x, int y)
90 {
91 xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
92 modesettingPtr ms = modesettingPTR(crtc->scrn);
93 xf86OutputPtr output = NULL;
94 struct crtc_private *crtcp = crtc->driver_private;
95 drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
96 drmModeModeInfo drm_mode;
97 int i, ret;
98 unsigned int connector_id;
99
100 for (i = 0; i < config->num_output; output = NULL, i++) {
101 output = config->output[i];
102
103 if (output->crtc == crtc)
104 break;
105 }
106
107 if (!output)
108 return FALSE;
109
110 connector_id = xorg_output_get_id(output);
111
112 drm_mode.clock = mode->Clock;
113 drm_mode.hdisplay = mode->HDisplay;
114 drm_mode.hsync_start = mode->HSyncStart;
115 drm_mode.hsync_end = mode->HSyncEnd;
116 drm_mode.htotal = mode->HTotal;
117 drm_mode.vdisplay = mode->VDisplay;
118 drm_mode.vsync_start = mode->VSyncStart;
119 drm_mode.vsync_end = mode->VSyncEnd;
120 drm_mode.vtotal = mode->VTotal;
121 drm_mode.flags = mode->Flags;
122 drm_mode.hskew = mode->HSkew;
123 drm_mode.vscan = mode->VScan;
124 drm_mode.vrefresh = mode->VRefresh;
125 drm_mode.type = 0;
126 if (!mode->name)
127 xf86SetModeDefaultName(mode);
128 strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN - 1);
129 drm_mode.name[DRM_DISPLAY_MODE_LEN - 1] = '\0';
130
131 ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
132 &connector_id, 1, &drm_mode);
133
134 if (ret)
135 return FALSE;
136
137 /* Only set gamma when needed, to avoid unneeded delays. */
138 #if defined(XF86_CRTC_VERSION) && XF86_CRTC_VERSION >= 3
139 if (!crtc->active && crtc->version >= 3)
140 crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,
141 crtc->gamma_blue, crtc->gamma_size);
142 crtc->active = TRUE;
143 #endif
144
145 crtc->x = x;
146 crtc->y = y;
147 crtc->mode = *mode;
148 crtc->rotation = rotation;
149
150 return TRUE;
151 }
152
153 static void
crtc_gamma_set(xf86CrtcPtr crtc,CARD16 * red,CARD16 * green,CARD16 * blue,int size)154 crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
155 int size)
156 {
157 modesettingPtr ms = modesettingPTR(crtc->scrn);
158 struct crtc_private *crtcp = crtc->driver_private;
159
160 drmModeCrtcSetGamma(ms->fd, crtcp->drm_crtc->crtc_id, size, red, green, blue);
161 }
162
163 #if 0 /* Implement and enable to enable rotation and reflection. */
164 static void *
165 crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
166 {
167 /* ScrnInfoPtr pScrn = crtc->scrn; */
168
169 return NULL;
170 }
171
172 static PixmapPtr
173 crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
174 {
175 /* ScrnInfoPtr pScrn = crtc->scrn; */
176
177 return NULL;
178 }
179
180 static void
181 crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
182 {
183 /* ScrnInfoPtr pScrn = crtc->scrn; */
184 }
185
186 #endif
187
188 /*
189 * Cursor functions
190 */
191
192 static void
crtc_set_cursor_colors(xf86CrtcPtr crtc,int bg,int fg)193 crtc_set_cursor_colors(xf86CrtcPtr crtc, int bg, int fg)
194 {
195 /* XXX: See if this one is needed, as we only support ARGB cursors */
196 }
197
198 static void
crtc_set_cursor_position(xf86CrtcPtr crtc,int x,int y)199 crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
200 {
201 modesettingPtr ms = modesettingPTR(crtc->scrn);
202 struct crtc_private *crtcp = crtc->driver_private;
203
204 drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
205 }
206
207 static void
crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc,CARD32 * image)208 crtc_load_cursor_argb_ga3d(xf86CrtcPtr crtc, CARD32 * image)
209 {
210 unsigned char *ptr;
211 modesettingPtr ms = modesettingPTR(crtc->scrn);
212 struct crtc_private *crtcp = crtc->driver_private;
213 struct pipe_transfer *transfer;
214 struct pipe_fence_handle *fence = NULL;
215 struct pipe_context *ctx = ms->ctx;
216 struct pipe_screen *screen = ms->screen;
217
218 if (!crtcp->cursor_tex) {
219 struct pipe_resource templat;
220 struct winsys_handle whandle;
221
222 memset(&templat, 0, sizeof(templat));
223 templat.bind |= PIPE_BIND_RENDER_TARGET;
224 templat.bind |= PIPE_BIND_SCANOUT;
225 templat.bind |= PIPE_BIND_CURSOR;
226 templat.target = PIPE_TEXTURE_2D;
227 templat.last_level = 0;
228 templat.depth0 = 1;
229 templat.array_size = 1;
230 templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
231 templat.width0 = 64;
232 templat.height0 = 64;
233
234 memset(&whandle, 0, sizeof(whandle));
235 whandle.type = DRM_API_HANDLE_TYPE_KMS;
236
237 crtcp->cursor_tex = screen->resource_create(screen, &templat);
238 screen->resource_get_handle(screen, crtcp->cursor_tex, &whandle);
239
240 crtcp->cursor_handle = whandle.handle;
241 }
242
243 transfer = pipe_get_transfer(ctx, crtcp->cursor_tex,
244 0, 0,
245 PIPE_TRANSFER_WRITE,
246 0, 0, 64, 64);
247 ptr = ctx->transfer_map(ctx, transfer);
248 util_copy_rect(ptr, crtcp->cursor_tex->format,
249 transfer->stride, 0, 0,
250 64, 64, (void*)image, 64 * 4, 0, 0);
251 ctx->transfer_unmap(ctx, transfer);
252 ctx->transfer_destroy(ctx, transfer);
253 ctx->flush(ctx, &fence);
254
255 if (fence) {
256 screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
257 screen->fence_reference(screen, &fence, NULL);
258 }
259
260 if (crtc->cursor_shown)
261 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
262 crtcp->cursor_handle, 64, 64);
263 }
264
265 #if HAVE_LIBKMS
266 static void
crtc_load_cursor_argb_kms(xf86CrtcPtr crtc,CARD32 * image)267 crtc_load_cursor_argb_kms(xf86CrtcPtr crtc, CARD32 * image)
268 {
269 modesettingPtr ms = modesettingPTR(crtc->scrn);
270 struct crtc_private *crtcp = crtc->driver_private;
271 unsigned char *ptr;
272
273 if (!crtcp->cursor_bo) {
274 unsigned attr[8];
275
276 attr[0] = KMS_BO_TYPE;
277 #ifdef KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8
278 attr[1] = KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
279 #else
280 attr[1] = KMS_BO_TYPE_CURSOR;
281 #endif
282 attr[2] = KMS_WIDTH;
283 attr[3] = 64;
284 attr[4] = KMS_HEIGHT;
285 attr[5] = 64;
286 attr[6] = 0;
287
288 if (kms_bo_create(ms->kms, attr, &crtcp->cursor_bo))
289 return;
290
291 if (kms_bo_get_prop(crtcp->cursor_bo, KMS_HANDLE,
292 &crtcp->cursor_handle))
293 goto err_bo_destroy;
294 }
295
296 kms_bo_map(crtcp->cursor_bo, (void**)&ptr);
297 memcpy(ptr, image, 64*64*4);
298 kms_bo_unmap(crtcp->cursor_bo);
299
300 if (crtc->cursor_shown)
301 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
302 crtcp->cursor_handle, 64, 64);
303
304 return;
305
306 err_bo_destroy:
307 kms_bo_destroy(&crtcp->cursor_bo);
308 }
309 #endif
310
311 static void
crtc_load_cursor_argb(xf86CrtcPtr crtc,CARD32 * image)312 crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
313 {
314 xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
315 modesettingPtr ms = modesettingPTR(crtc->scrn);
316
317 /* Older X servers have cursor reference counting bugs leading to use of
318 * freed memory and consequently random crashes. Should be fixed as of
319 * xserver 1.8, but this workaround shouldn't hurt anyway.
320 */
321 if (config->cursor)
322 config->cursor->refcnt++;
323
324 if (ms->cursor)
325 FreeCursor(ms->cursor, None);
326
327 ms->cursor = config->cursor;
328
329 if (ms->screen)
330 crtc_load_cursor_argb_ga3d(crtc, image);
331 #ifdef HAVE_LIBKMS
332 else if (ms->kms)
333 crtc_load_cursor_argb_kms(crtc, image);
334 #endif
335 }
336
337 static void
crtc_show_cursor(xf86CrtcPtr crtc)338 crtc_show_cursor(xf86CrtcPtr crtc)
339 {
340 modesettingPtr ms = modesettingPTR(crtc->scrn);
341 struct crtc_private *crtcp = crtc->driver_private;
342
343 if (crtcp->cursor_tex || crtcp->cursor_bo)
344 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
345 crtcp->cursor_handle, 64, 64);
346 }
347
348 static void
crtc_hide_cursor(xf86CrtcPtr crtc)349 crtc_hide_cursor(xf86CrtcPtr crtc)
350 {
351 modesettingPtr ms = modesettingPTR(crtc->scrn);
352 struct crtc_private *crtcp = crtc->driver_private;
353
354 drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
355 }
356
357 /**
358 * Called at vt leave
359 */
360 void
xorg_crtc_cursor_destroy(xf86CrtcPtr crtc)361 xorg_crtc_cursor_destroy(xf86CrtcPtr crtc)
362 {
363 struct crtc_private *crtcp = crtc->driver_private;
364
365 if (crtcp->cursor_tex)
366 pipe_resource_reference(&crtcp->cursor_tex, NULL);
367 #ifdef HAVE_LIBKMS
368 if (crtcp->cursor_bo)
369 kms_bo_destroy(&crtcp->cursor_bo);
370 #endif
371 }
372
373 /*
374 * Misc functions
375 */
376
377 static void
crtc_destroy(xf86CrtcPtr crtc)378 crtc_destroy(xf86CrtcPtr crtc)
379 {
380 struct crtc_private *crtcp = crtc->driver_private;
381
382 xorg_crtc_cursor_destroy(crtc);
383
384 drmModeFreeCrtc(crtcp->drm_crtc);
385
386 free(crtcp);
387 crtc->driver_private = NULL;
388 }
389
390 static const xf86CrtcFuncsRec crtc_funcs = {
391 .dpms = crtc_dpms,
392 .set_mode_major = crtc_set_mode_major,
393
394 .set_cursor_colors = crtc_set_cursor_colors,
395 .set_cursor_position = crtc_set_cursor_position,
396 .show_cursor = crtc_show_cursor,
397 .hide_cursor = crtc_hide_cursor,
398 .load_cursor_argb = crtc_load_cursor_argb,
399
400 .shadow_create = NULL,
401 .shadow_allocate = NULL,
402 .shadow_destroy = NULL,
403
404 .gamma_set = crtc_gamma_set,
405 .destroy = crtc_destroy,
406 };
407
408 void
xorg_crtc_init(ScrnInfoPtr pScrn)409 xorg_crtc_init(ScrnInfoPtr pScrn)
410 {
411 modesettingPtr ms = modesettingPTR(pScrn);
412 xf86CrtcPtr crtc;
413 drmModeResPtr res;
414 drmModeCrtcPtr drm_crtc = NULL;
415 struct crtc_private *crtcp;
416 int c;
417
418 res = drmModeGetResources(ms->fd);
419 if (res == 0) {
420 ErrorF("Failed drmModeGetResources %d\n", errno);
421 return;
422 }
423
424 for (c = 0; c < res->count_crtcs; c++) {
425 drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
426
427 if (!drm_crtc)
428 continue;
429
430 crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
431 if (crtc == NULL)
432 goto out;
433
434 crtcp = calloc(1, sizeof(struct crtc_private));
435 if (!crtcp) {
436 xf86CrtcDestroy(crtc);
437 goto out;
438 }
439
440 crtcp->drm_crtc = drm_crtc;
441
442 crtc->driver_private = crtcp;
443 }
444
445 out:
446 drmModeFreeResources(res);
447 }
448
449 /* vim: set sw=4 ts=8 sts=4: */
450