xorg_driver.c revision b39bccbd4ed71e9585da4cf5acf7b887b2e90899 
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
32#include "xorg-server.h"
33#include "xf86.h"
34#include "xf86_OSproc.h"
35#include "compiler.h"
36#include "xf86PciInfo.h"
37#include "xf86Pci.h"
38#include "mipointer.h"
39#include "micmap.h"
40#include <X11/extensions/randr.h>
41#include "fb.h"
42#include "edid.h"
43#include "xf86i2c.h"
44#include "xf86Crtc.h"
45#include "miscstruct.h"
46#include "dixstruct.h"
47#include "xf86cmap.h"
48#include "xf86xv.h"
49#include "xorgVersion.h"
50#ifndef XSERVER_LIBPCIACCESS
51#error "libpciaccess needed"
52#endif
53
54#include <pciaccess.h>
55
56#include "state_tracker/drm_driver.h"
57#include "pipe/p_context.h"
58#include "xorg_tracker.h"
59#include "xorg_winsys.h"
60
61#ifdef HAVE_LIBKMS
62#include "libkms.h"
63#endif
64
65/*
66 * Functions and symbols exported to Xorg via pointers.
67 */
68
69static Bool drv_pre_init(ScrnInfoPtr pScrn, int flags);
70static Bool drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc,
71			    char **argv);
72static Bool drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags);
73static void drv_adjust_frame(int scrnIndex, int x, int y, int flags);
74static Bool drv_enter_vt(int scrnIndex, int flags);
75static void drv_leave_vt(int scrnIndex, int flags);
76static void drv_free_screen(int scrnIndex, int flags);
77static ModeStatus drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose,
78			         int flags);
79
80typedef enum
81{
82    OPTION_SW_CURSOR,
83    OPTION_2D_ACCEL,
84    OPTION_DEBUG_FALLBACK,
85    OPTION_THROTTLE_SWAP,
86    OPTION_THROTTLE_DIRTY,
87    OPTION_3D_ACCEL
88} drv_option_enums;
89
90static const OptionInfoRec drv_options[] = {
91    {OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE},
92    {OPTION_2D_ACCEL, "2DAccel", OPTV_BOOLEAN, {0}, FALSE},
93    {OPTION_DEBUG_FALLBACK, "DebugFallback", OPTV_BOOLEAN, {0}, FALSE},
94    {OPTION_THROTTLE_SWAP, "SwapThrottling", OPTV_BOOLEAN, {0}, FALSE},
95    {OPTION_THROTTLE_DIRTY, "DirtyThrottling", OPTV_BOOLEAN, {0}, FALSE},
96    {OPTION_3D_ACCEL, "3DAccel", OPTV_BOOLEAN, {0}, FALSE},
97    {-1, NULL, OPTV_NONE, {0}, FALSE}
98};
99
100
101/*
102 * Exported Xorg driver functions to winsys
103 */
104
105const OptionInfoRec *
106xorg_tracker_available_options(int chipid, int busid)
107{
108    return drv_options;
109}
110
111void
112xorg_tracker_set_functions(ScrnInfoPtr scrn)
113{
114    scrn->PreInit = drv_pre_init;
115    scrn->ScreenInit = drv_screen_init;
116    scrn->SwitchMode = drv_switch_mode;
117    scrn->AdjustFrame = drv_adjust_frame;
118    scrn->EnterVT = drv_enter_vt;
119    scrn->LeaveVT = drv_leave_vt;
120    scrn->FreeScreen = drv_free_screen;
121    scrn->ValidMode = drv_valid_mode;
122}
123
124Bool
125xorg_tracker_have_modesetting(ScrnInfoPtr pScrn, struct pci_device *device)
126{
127    char *BusID = malloc(64);
128    sprintf(BusID, "pci:%04x:%02x:%02x.%d",
129	    device->domain, device->bus,
130	    device->dev, device->func);
131
132    if (drmCheckModesettingSupported(BusID)) {
133	xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
134		       "Drm modesetting not supported %s\n", BusID);
135	free(BusID);
136	return FALSE;
137    }
138
139    xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
140		   "Drm modesetting supported on %s\n", BusID);
141
142    free(BusID);
143    return TRUE;
144}
145
146
147/*
148 * Internal function definitions
149 */
150
151static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn);
152static Bool drv_close_screen(int scrnIndex, ScreenPtr pScreen);
153
154
155/*
156 * Internal functions
157 */
158
159static Bool
160drv_get_rec(ScrnInfoPtr pScrn)
161{
162    if (pScrn->driverPrivate)
163	return TRUE;
164
165    pScrn->driverPrivate = xnfcalloc(1, sizeof(modesettingRec));
166
167    return TRUE;
168}
169
170static void
171drv_free_rec(ScrnInfoPtr pScrn)
172{
173    if (!pScrn)
174	return;
175
176    if (!pScrn->driverPrivate)
177	return;
178
179    free(pScrn->driverPrivate);
180
181    pScrn->driverPrivate = NULL;
182}
183
184static void
185drv_probe_ddc(ScrnInfoPtr pScrn, int index)
186{
187    ConfiguredMonitor = NULL;
188}
189
190static Bool
191drv_crtc_resize(ScrnInfoPtr pScrn, int width, int height)
192{
193    xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
194    modesettingPtr ms = modesettingPTR(pScrn);
195    CustomizerPtr cust = ms->cust;
196    ScreenPtr pScreen = pScrn->pScreen;
197    int old_width, old_height;
198    PixmapPtr rootPixmap;
199    int i;
200
201    if (width == pScrn->virtualX && height == pScrn->virtualY)
202	return TRUE;
203
204    if (cust && cust->winsys_check_fb_size &&
205	!cust->winsys_check_fb_size(cust, width*pScrn->bitsPerPixel / 8,
206				    height)) {
207	xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
208		   "Requested framebuffer size %dx%dx%d will not fit "
209		   "in display memory.\n",
210		   width, height, pScrn->bitsPerPixel);
211	return FALSE;
212    }
213
214    old_width = pScrn->virtualX;
215    old_height = pScrn->virtualY;
216    pScrn->virtualX = width;
217    pScrn->virtualY = height;
218
219    /* ms->create_front_buffer will remove the old front buffer */
220
221    rootPixmap = pScreen->GetScreenPixmap(pScreen);
222    if (!pScreen->ModifyPixmapHeader(rootPixmap, width, height, -1, -1, -1, NULL))
223	goto error_modify;
224
225    pScrn->displayWidth = rootPixmap->devKind / (rootPixmap->drawable.bitsPerPixel / 8);
226
227    if (!ms->create_front_buffer(pScrn) || !ms->bind_front_buffer(pScrn))
228	goto error_create;
229
230    /*
231     * create && bind will turn off all crtc(s) in the kernel so we need to
232     * re-enable all the crtcs again. For real HW we might want to do this
233     * before destroying the old framebuffer.
234     */
235    for (i = 0; i < xf86_config->num_crtc; i++) {
236	xf86CrtcPtr crtc = xf86_config->crtc[i];
237
238	if (!crtc->enabled)
239	    continue;
240
241	crtc->funcs->set_mode_major(crtc, &crtc->mode, crtc->rotation, crtc->x, crtc->y);
242    }
243
244    return TRUE;
245
246    /*
247     * This is the error recovery path.
248     */
249error_create:
250    if (!pScreen->ModifyPixmapHeader(rootPixmap, old_width, old_height, -1, -1, -1, NULL))
251	FatalError("failed to resize rootPixmap error path\n");
252
253    pScrn->displayWidth = rootPixmap->devKind / (rootPixmap->drawable.bitsPerPixel / 8);
254
255error_modify:
256    pScrn->virtualX = old_width;
257    pScrn->virtualY = old_height;
258
259    if (ms->create_front_buffer(pScrn) && ms->bind_front_buffer(pScrn))
260	return FALSE;
261
262    FatalError("failed to setup old framebuffer\n");
263    return FALSE;
264}
265
266static const xf86CrtcConfigFuncsRec crtc_config_funcs = {
267    .resize = drv_crtc_resize
268};
269
270static Bool
271drv_init_drm(ScrnInfoPtr pScrn)
272{
273    modesettingPtr ms = modesettingPTR(pScrn);
274
275    /* deal with server regeneration */
276    if (ms->fd < 0) {
277	char *BusID;
278
279	BusID = malloc(64);
280	sprintf(BusID, "PCI:%d:%d:%d",
281		((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
282		ms->PciInfo->dev, ms->PciInfo->func
283	    );
284
285
286	ms->fd = drmOpen(driver_descriptor.driver_name, BusID);
287	ms->isMaster = TRUE;
288	free(BusID);
289
290	if (ms->fd >= 0)
291	    return TRUE;
292
293	return FALSE;
294    }
295
296    return TRUE;
297}
298
299static Bool
300drv_init_resource_management(ScrnInfoPtr pScrn)
301{
302    modesettingPtr ms = modesettingPTR(pScrn);
303    /*
304    ScreenPtr pScreen = pScrn->pScreen;
305    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
306    Bool fbAccessDisabled;
307    CARD8 *fbstart;
308     */
309
310    if (ms->screen || ms->kms)
311	return TRUE;
312
313    if (!ms->no3D)
314	ms->screen = driver_descriptor.create_screen(ms->fd);
315
316    if (ms->screen)
317	return TRUE;
318
319#ifdef HAVE_LIBKMS
320    if (!kms_create(ms->fd, &ms->kms))
321	return TRUE;
322#endif
323
324    return FALSE;
325}
326
327static void
328drv_cleanup_fences(ScrnInfoPtr pScrn)
329{
330    modesettingPtr ms = modesettingPTR(pScrn);
331    int i;
332
333    assert(ms->screen);
334
335    for (i = 0; i < XORG_NR_FENCES; i++) {
336	if (ms->fence[i]) {
337            ms->screen->fence_finish(ms->screen, ms->fence[i], 0,
338                                     PIPE_TIMEOUT_INFINITE);
339	    ms->screen->fence_reference(ms->screen, &ms->fence[i], NULL);
340	}
341    }
342}
343
344static Bool
345drv_pre_init(ScrnInfoPtr pScrn, int flags)
346{
347    xf86CrtcConfigPtr xf86_config;
348    modesettingPtr ms;
349    rgb defaultWeight = { 0, 0, 0 };
350    EntityInfoPtr pEnt;
351    EntPtr msEnt = NULL;
352    CustomizerPtr cust;
353    Bool use3D;
354
355    if (pScrn->numEntities != 1)
356	return FALSE;
357
358    pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
359
360    if (flags & PROBE_DETECT) {
361	drv_probe_ddc(pScrn, pEnt->index);
362	return TRUE;
363    }
364
365    cust = (CustomizerPtr) pScrn->driverPrivate;
366    pScrn->driverPrivate = NULL;
367
368    /* Allocate driverPrivate */
369    if (!drv_get_rec(pScrn))
370	return FALSE;
371
372    ms = modesettingPTR(pScrn);
373    ms->pEnt = pEnt;
374    ms->cust = cust;
375    ms->fb_id = -1;
376
377    pScrn->displayWidth = 640;	       /* default it */
378
379    if (ms->pEnt->location.type != BUS_PCI)
380	return FALSE;
381
382    ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
383
384    /* Allocate an entity private if necessary */
385    if (xf86IsEntityShared(pScrn->entityList[0])) {
386	FatalError("Entity");
387#if 0
388	msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
389				     modesettingEntityIndex)->ptr;
390	ms->entityPrivate = msEnt;
391#else
392	(void)msEnt;
393#endif
394    } else
395	ms->entityPrivate = NULL;
396
397    if (xf86IsEntityShared(pScrn->entityList[0])) {
398	if (xf86IsPrimInitDone(pScrn->entityList[0])) {
399	    /* do something */
400	} else {
401	    xf86SetPrimInitDone(pScrn->entityList[0]);
402	}
403    }
404
405    ms->fd = -1;
406    if (!drv_init_drm(pScrn))
407	return FALSE;
408
409    pScrn->monitor = pScrn->confScreen->monitor;
410    pScrn->progClock = TRUE;
411    pScrn->rgbBits = 8;
412
413    if (!xf86SetDepthBpp
414	(pScrn, 0, 0, 0,
415	 PreferConvert24to32 | SupportConvert24to32 | Support32bppFb))
416	return FALSE;
417
418    switch (pScrn->depth) {
419    case 8:
420    case 15:
421    case 16:
422    case 24:
423	break;
424    default:
425	xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
426		   "Given depth (%d) is not supported by the driver\n",
427		   pScrn->depth);
428	return FALSE;
429    }
430    xf86PrintDepthBpp(pScrn);
431
432    if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
433	return FALSE;
434    if (!xf86SetDefaultVisual(pScrn, -1))
435	return FALSE;
436
437    /* Process the options */
438    xf86CollectOptions(pScrn, NULL);
439    if (!(ms->Options = malloc(sizeof(drv_options))))
440	return FALSE;
441    memcpy(ms->Options, drv_options, sizeof(drv_options));
442    xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);
443
444    use3D = cust ? !cust->no_3d : TRUE;
445    ms->from_3D = xf86GetOptValBool(ms->Options, OPTION_3D_ACCEL,
446				    &use3D) ?
447	X_CONFIG : X_PROBED;
448
449    ms->no3D = !use3D;
450
451    if (!drv_init_resource_management(pScrn)) {
452	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Could not init "
453					       "Gallium3D or libKMS.\n");
454	return FALSE;
455    }
456
457    /* Allocate an xf86CrtcConfig */
458    xf86CrtcConfigInit(pScrn, &crtc_config_funcs);
459    xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
460
461    /* get max width and height */
462    {
463	drmModeResPtr res;
464	int max_width, max_height;
465
466	res = drmModeGetResources(ms->fd);
467	max_width = res->max_width;
468	max_height = res->max_height;
469
470	if (ms->screen) {
471	    int max;
472
473	    max = ms->screen->get_param(ms->screen,
474					PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
475	    max = 1 << (max - 1);
476	    max_width = max < max_width ? max : max_width;
477	    max_height = max < max_height ? max : max_height;
478	}
479
480	xf86CrtcSetSizeRange(pScrn, res->min_width,
481			     res->min_height, max_width, max_height);
482	xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
483		   "Min width %d, Max Width %d.\n",
484		   res->min_width, max_width);
485	xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
486		   "Min height %d, Max Height %d.\n",
487		   res->min_height, max_height);
488	drmModeFreeResources(res);
489    }
490
491
492    if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
493	ms->SWCursor = TRUE;
494    }
495
496    xorg_crtc_init(pScrn);
497    xorg_output_init(pScrn);
498
499    if (cust && cust->winsys_pre_init && !cust->winsys_pre_init(cust, ms->fd))
500	return FALSE;
501
502    if (!xf86InitialConfiguration(pScrn, TRUE)) {
503	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes.\n");
504	return FALSE;
505    }
506
507    /*
508     * If the driver can do gamma correction, it should call xf86SetGamma() here.
509     */
510    {
511	Gamma zeros = { 0.0, 0.0, 0.0 };
512
513	if (!xf86SetGamma(pScrn, zeros)) {
514	    return FALSE;
515	}
516    }
517
518    if (pScrn->modes == NULL) {
519	xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
520	return FALSE;
521    }
522
523    pScrn->currentMode = pScrn->modes;
524
525    /* Set display resolution */
526    xf86SetDpi(pScrn, 0, 0);
527
528    /* Load the required sub modules */
529    if (!xf86LoadSubModule(pScrn, "fb"))
530	return FALSE;
531
532    /* XXX: these aren't needed when we are using libkms */
533    if (!xf86LoadSubModule(pScrn, "exa"))
534	return FALSE;
535
536#ifdef DRI2
537    if (!xf86LoadSubModule(pScrn, "dri2"))
538	return FALSE;
539#endif
540
541    return TRUE;
542}
543
544void xorg_flush(ScreenPtr pScreen)
545{
546    modesettingPtr ms = modesettingPTR(xf86Screens[pScreen->myNum]);
547
548    if (ms->ctx) {
549	int j;
550
551	ms->ctx->flush(ms->ctx, PIPE_FLUSH_RENDER_CACHE,
552		       ms->dirtyThrottling ?
553		       &ms->fence[XORG_NR_FENCES-1] :
554		       NULL);
555
556	if (ms->dirtyThrottling) {
557	    if (ms->fence[0])
558		ms->ctx->screen->fence_finish(ms->ctx->screen,
559                                              ms->fence[0], 0,
560                                              PIPE_TIMEOUT_INFINITE);
561
562	    /* The amount of rendering generated by a block handler can be
563	     * quite small.  Let us get a fair way ahead of hardware before
564	     * throttling.
565	     */
566	    for (j = 0; j < XORG_NR_FENCES - 1; j++)
567		ms->screen->fence_reference(ms->screen,
568					    &ms->fence[j],
569					    ms->fence[j+1]);
570
571	    ms->screen->fence_reference(ms->screen,
572					&ms->fence[XORG_NR_FENCES-1],
573					NULL);
574	}
575    }
576
577#ifdef DRM_MODE_FEATURE_DIRTYFB
578    {
579	RegionPtr dirty = DamageRegion(ms->damage);
580	unsigned num_cliprects = REGION_NUM_RECTS(dirty);
581
582	if (num_cliprects) {
583	    drmModeClip *clip = alloca(num_cliprects * sizeof(drmModeClip));
584	    BoxPtr rect = REGION_RECTS(dirty);
585	    int i, ret;
586
587	    /* XXX no need for copy? */
588	    for (i = 0; i < num_cliprects; i++, rect++) {
589		clip[i].x1 = rect->x1;
590		clip[i].y1 = rect->y1;
591		clip[i].x2 = rect->x2;
592		clip[i].y2 = rect->y2;
593	    }
594
595	    /* TODO query connector property to see if this is needed */
596	    ret = drmModeDirtyFB(ms->fd, ms->fb_id, clip, num_cliprects);
597	    if (ret) {
598		debug_printf("%s: failed to send dirty (%i, %s)\n",
599			     __func__, ret, strerror(-ret));
600	    }
601
602	    DamageEmpty(ms->damage);
603	}
604    }
605#endif
606}
607
608static void drv_block_handler(int i, pointer blockData, pointer pTimeout,
609                              pointer pReadmask)
610{
611    ScreenPtr pScreen = screenInfo.screens[i];
612    modesettingPtr ms = modesettingPTR(xf86Screens[pScreen->myNum]);
613
614    pScreen->BlockHandler = ms->blockHandler;
615    pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
616    pScreen->BlockHandler = drv_block_handler;
617
618    xorg_flush(pScreen);
619}
620
621static Bool
622drv_create_screen_resources(ScreenPtr pScreen)
623{
624    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
625    modesettingPtr ms = modesettingPTR(pScrn);
626    PixmapPtr rootPixmap;
627    Bool ret;
628
629    ms->noEvict = TRUE;
630
631    pScreen->CreateScreenResources = ms->createScreenResources;
632    ret = pScreen->CreateScreenResources(pScreen);
633    pScreen->CreateScreenResources = drv_create_screen_resources;
634
635    ms->bind_front_buffer(pScrn);
636
637    ms->noEvict = FALSE;
638
639    drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
640
641#ifdef DRM_MODE_FEATURE_DIRTYFB
642    rootPixmap = pScreen->GetScreenPixmap(pScreen);
643    ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
644                              pScreen, rootPixmap);
645
646    if (ms->damage) {
647       DamageRegister(&rootPixmap->drawable, ms->damage);
648
649       xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
650    } else {
651       xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
652                  "Failed to create screen damage record\n");
653       return FALSE;
654    }
655#else
656    (void)rootPixmap;
657#endif
658
659    return ret;
660}
661
662static Bool
663drv_set_master(ScrnInfoPtr pScrn)
664{
665    modesettingPtr ms = modesettingPTR(pScrn);
666
667    if (!ms->isMaster && drmSetMaster(ms->fd) != 0) {
668	if (errno == EINVAL) {
669	    xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
670		       "drmSetMaster failed: 2.6.29 or newer kernel required for "
671		       "multi-server DRI\n");
672	} else {
673	    xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
674		       "drmSetMaster failed: %s\n", strerror(errno));
675	}
676	return FALSE;
677    }
678
679    ms->isMaster = TRUE;
680    return TRUE;
681}
682
683
684static void drv_load_palette(ScrnInfoPtr pScrn, int numColors,
685			     int *indices, LOCO *colors, VisualPtr pVisual)
686{
687    xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
688    modesettingPtr ms = modesettingPTR(pScrn);
689    int index, j, i;
690    int c;
691
692    switch(pScrn->depth) {
693    case 15:
694	for (i = 0; i < numColors; i++) {
695	    index = indices[i];
696	    for (j = 0; j < 8; j++) {
697		ms->lut_r[index * 8 + j] = colors[index].red << 8;
698		ms->lut_g[index * 8 + j] = colors[index].green << 8;
699		ms->lut_b[index * 8 + j] = colors[index].blue << 8;
700	    }
701	}
702	break;
703    case 16:
704	for (i = 0; i < numColors; i++) {
705	    index = indices[i];
706
707	    if (index < 32) {
708		for (j = 0; j < 8; j++) {
709		    ms->lut_r[index * 8 + j] = colors[index].red << 8;
710		    ms->lut_b[index * 8 + j] = colors[index].blue << 8;
711		}
712	    }
713
714	    for (j = 0; j < 4; j++) {
715		ms->lut_g[index * 4 + j] = colors[index].green << 8;
716	    }
717	}
718	break;
719    default:
720	for (i = 0; i < numColors; i++) {
721	    index = indices[i];
722	    ms->lut_r[index] = colors[index].red << 8;
723	    ms->lut_g[index] = colors[index].green << 8;
724	    ms->lut_b[index] = colors[index].blue << 8;
725	}
726	break;
727    }
728
729    for (c = 0; c < xf86_config->num_crtc; c++) {
730	xf86CrtcPtr crtc = xf86_config->crtc[c];
731
732	/* Make the change through RandR */
733#ifdef RANDR_12_INTERFACE
734	if (crtc->randr_crtc)
735	    RRCrtcGammaSet(crtc->randr_crtc, ms->lut_r, ms->lut_g, ms->lut_b);
736	else
737#endif
738	    crtc->funcs->gamma_set(crtc, ms->lut_r, ms->lut_g, ms->lut_b, 256);
739    }
740}
741
742
743static Bool
744drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
745{
746    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
747    modesettingPtr ms = modesettingPTR(pScrn);
748    VisualPtr visual;
749    CustomizerPtr cust = ms->cust;
750    MessageType from_st;
751    MessageType from_dt;
752
753    if (!drv_set_master(pScrn))
754	return FALSE;
755
756    if (!drv_init_front_buffer_functions(pScrn)) {
757	FatalError("Could not init front buffer manager");
758	return FALSE;
759    }
760
761    pScrn->pScreen = pScreen;
762
763    /* HW dependent - FIXME */
764    pScrn->displayWidth = pScrn->virtualX;
765
766    miClearVisualTypes();
767
768    if (!miSetVisualTypes(pScrn->depth,
769			  miGetDefaultVisualMask(pScrn->depth),
770			  pScrn->rgbBits, pScrn->defaultVisual))
771	return FALSE;
772
773    if (!miSetPixmapDepths())
774	return FALSE;
775
776    pScrn->memPhysBase = 0;
777    pScrn->fbOffset = 0;
778
779    if (!fbScreenInit(pScreen, NULL,
780		      pScrn->virtualX, pScrn->virtualY,
781		      pScrn->xDpi, pScrn->yDpi,
782		      pScrn->displayWidth, pScrn->bitsPerPixel))
783	return FALSE;
784
785    if (pScrn->bitsPerPixel > 8) {
786	/* Fixup RGB ordering */
787	visual = pScreen->visuals + pScreen->numVisuals;
788	while (--visual >= pScreen->visuals) {
789	    if ((visual->class | DynamicClass) == DirectColor) {
790		visual->offsetRed = pScrn->offset.red;
791		visual->offsetGreen = pScrn->offset.green;
792		visual->offsetBlue = pScrn->offset.blue;
793		visual->redMask = pScrn->mask.red;
794		visual->greenMask = pScrn->mask.green;
795		visual->blueMask = pScrn->mask.blue;
796	    }
797	}
798    }
799
800    fbPictureInit(pScreen, NULL, 0);
801
802    ms->blockHandler = pScreen->BlockHandler;
803    pScreen->BlockHandler = drv_block_handler;
804    ms->createScreenResources = pScreen->CreateScreenResources;
805    pScreen->CreateScreenResources = drv_create_screen_resources;
806
807    xf86SetBlackWhitePixels(pScreen);
808
809    ms->accelerate_2d = xf86ReturnOptValBool(ms->Options, OPTION_2D_ACCEL, FALSE);
810    ms->debug_fallback = xf86ReturnOptValBool(ms->Options, OPTION_DEBUG_FALLBACK, ms->accelerate_2d);
811
812    if (cust && cust->winsys_screen_init)
813	cust->winsys_screen_init(cust);
814
815    ms->swapThrottling = cust ?  cust->swap_throttling : TRUE;
816    from_st = xf86GetOptValBool(ms->Options, OPTION_THROTTLE_SWAP,
817				&ms->swapThrottling) ?
818	X_CONFIG : X_DEFAULT;
819
820    ms->dirtyThrottling = cust ?  cust->dirty_throttling : TRUE;
821    from_dt = xf86GetOptValBool(ms->Options, OPTION_THROTTLE_DIRTY,
822				&ms->dirtyThrottling) ?
823	X_CONFIG : X_DEFAULT;
824
825    if (ms->screen) {
826	ms->exa = xorg_exa_init(pScrn, ms->accelerate_2d);
827
828	xorg_xv_init(pScreen);
829#ifdef DRI2
830	xorg_dri2_init(pScreen);
831#endif
832    }
833
834    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
835    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "# Usefull debugging info follows #\n");
836    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
837    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using %s backend\n",
838	       ms->screen ? "Gallium3D" : "libkms");
839    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "2D Acceleration is %s\n",
840	       ms->screen && ms->accelerate_2d ? "enabled" : "disabled");
841    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Fallback debugging is %s\n",
842	       ms->debug_fallback ? "enabled" : "disabled");
843#ifdef DRI2
844    xf86DrvMsg(pScrn->scrnIndex, ms->from_3D, "3D Acceleration is %s\n",
845	       ms->screen ? "enabled" : "disabled");
846#else
847    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is disabled\n");
848#endif
849    xf86DrvMsg(pScrn->scrnIndex, from_st, "Swap Throttling is %s.\n",
850	       ms->swapThrottling ? "enabled" : "disabled");
851    xf86DrvMsg(pScrn->scrnIndex, from_dt, "Dirty Throttling is %s.\n",
852	       ms->dirtyThrottling ? "enabled" : "disabled");
853
854    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
855
856    miInitializeBackingStore(pScreen);
857    xf86SetBackingStore(pScreen);
858    xf86SetSilkenMouse(pScreen);
859    miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
860
861    /* Need to extend HWcursor support to handle mask interleave */
862    if (!ms->SWCursor)
863	xf86_cursors_init(pScreen, 64, 64,
864			  HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 |
865			  HARDWARE_CURSOR_ARGB |
866			  ((cust && cust->unhidden_hw_cursor_update) ?
867			   HARDWARE_CURSOR_UPDATE_UNHIDDEN : 0));
868
869    /* Must force it before EnterVT, so we are in control of VT and
870     * later memory should be bound when allocating, e.g rotate_mem */
871    pScrn->vtSema = TRUE;
872
873    pScreen->SaveScreen = xf86SaveScreen;
874    ms->CloseScreen = pScreen->CloseScreen;
875    pScreen->CloseScreen = drv_close_screen;
876
877    if (!xf86CrtcScreenInit(pScreen))
878	return FALSE;
879
880    if (!miCreateDefColormap(pScreen))
881	return FALSE;
882    if (!xf86HandleColormaps(pScreen, 256, 8, drv_load_palette, NULL,
883			     CMAP_PALETTED_TRUECOLOR |
884			     CMAP_RELOAD_ON_MODE_SWITCH))
885	return FALSE;
886
887    xf86DPMSInit(pScreen, xf86DPMSSet, 0);
888
889    if (serverGeneration == 1)
890	xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
891
892    return drv_enter_vt(scrnIndex, 1);
893}
894
895static void
896drv_adjust_frame(int scrnIndex, int x, int y, int flags)
897{
898    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
899    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
900    xf86OutputPtr output = config->output[config->compat_output];
901    xf86CrtcPtr crtc = output->crtc;
902
903    if (crtc && crtc->enabled) {
904	crtc->funcs->set_mode_major(crtc, pScrn->currentMode,
905				    RR_Rotate_0, x, y);
906	crtc->x = output->initial_x + x;
907	crtc->y = output->initial_y + y;
908    }
909}
910
911static void
912drv_free_screen(int scrnIndex, int flags)
913{
914    drv_free_rec(xf86Screens[scrnIndex]);
915}
916
917static void
918drv_leave_vt(int scrnIndex, int flags)
919{
920    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
921    modesettingPtr ms = modesettingPTR(pScrn);
922    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
923    CustomizerPtr cust = ms->cust;
924    int o;
925
926    if (cust && cust->winsys_leave_vt)
927	cust->winsys_leave_vt(cust);
928
929    for (o = 0; o < config->num_crtc; o++) {
930	xf86CrtcPtr crtc = config->crtc[o];
931
932	xorg_crtc_cursor_destroy(crtc);
933
934	if (crtc->rotatedPixmap || crtc->rotatedData) {
935	    crtc->funcs->shadow_destroy(crtc, crtc->rotatedPixmap,
936					crtc->rotatedData);
937	    crtc->rotatedPixmap = NULL;
938	    crtc->rotatedData = NULL;
939	}
940    }
941
942    if (ms->fb_id != -1) {
943	drmModeRmFB(ms->fd, ms->fb_id);
944	ms->fb_id = -1;
945    }
946
947    /* idle hardware */
948    if (!ms->kms)
949	drv_cleanup_fences(pScrn);
950
951    if (drmDropMaster(ms->fd))
952	xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
953		   "drmDropMaster failed: %s\n", strerror(errno));
954
955    ms->isMaster = FALSE;
956    pScrn->vtSema = FALSE;
957}
958
959/*
960 * This gets called when gaining control of the VT, and from ScreenInit().
961 */
962static Bool
963drv_enter_vt(int scrnIndex, int flags)
964{
965    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
966    modesettingPtr ms = modesettingPTR(pScrn);
967    CustomizerPtr cust = ms->cust;
968
969    if (!drv_set_master(pScrn))
970	return FALSE;
971
972    if (!ms->create_front_buffer(pScrn))
973	return FALSE;
974
975    if (!flags && !ms->bind_front_buffer(pScrn))
976	return FALSE;
977
978    if (!xf86SetDesiredModes(pScrn))
979	return FALSE;
980
981    if (cust && cust->winsys_enter_vt)
982	cust->winsys_enter_vt(cust);
983
984    return TRUE;
985}
986
987static Bool
988drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags)
989{
990    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
991
992    return xf86SetSingleMode(pScrn, mode, RR_Rotate_0);
993}
994
995static Bool
996drv_close_screen(int scrnIndex, ScreenPtr pScreen)
997{
998    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
999    modesettingPtr ms = modesettingPTR(pScrn);
1000    CustomizerPtr cust = ms->cust;
1001
1002    if (ms->cursor) {
1003       FreeCursor(ms->cursor, None);
1004       ms->cursor = NULL;
1005    }
1006
1007    if (cust && cust->winsys_screen_close)
1008	cust->winsys_screen_close(cust);
1009
1010#ifdef DRI2
1011    if (ms->screen)
1012	xorg_dri2_close(pScreen);
1013#endif
1014
1015    pScreen->BlockHandler = ms->blockHandler;
1016    pScreen->CreateScreenResources = ms->createScreenResources;
1017
1018#ifdef DRM_MODE_FEATURE_DIRTYFB
1019    if (ms->damage) {
1020	DamageUnregister(&pScreen->GetScreenPixmap(pScreen)->drawable, ms->damage);
1021	DamageDestroy(ms->damage);
1022	ms->damage = NULL;
1023    }
1024#endif
1025
1026    ms->destroy_front_buffer(pScrn);
1027
1028    if (ms->exa)
1029	xorg_exa_close(pScrn);
1030    ms->exa = NULL;
1031
1032    /* calls drop master make sure we don't talk to 3D HW after that */
1033    if (pScrn->vtSema) {
1034	drv_leave_vt(scrnIndex, 0);
1035    }
1036
1037    pScrn->vtSema = FALSE;
1038    pScreen->CloseScreen = ms->CloseScreen;
1039
1040    return (*pScreen->CloseScreen) (scrnIndex, pScreen);
1041}
1042
1043static ModeStatus
1044drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
1045{
1046    return MODE_OK;
1047}
1048
1049
1050/*
1051 * Front buffer backing store functions.
1052 */
1053
1054static Bool
1055drv_destroy_front_buffer_ga3d(ScrnInfoPtr pScrn)
1056{
1057    modesettingPtr ms = modesettingPTR(pScrn);
1058
1059    if (!ms->root_texture)
1060	return TRUE;
1061
1062    if (ms->fb_id != -1) {
1063	drmModeRmFB(ms->fd, ms->fb_id);
1064	ms->fb_id = -1;
1065    }
1066
1067    pipe_resource_reference(&ms->root_texture, NULL);
1068    return TRUE;
1069}
1070
1071static Bool
1072drv_create_front_buffer_ga3d(ScrnInfoPtr pScrn)
1073{
1074    modesettingPtr ms = modesettingPTR(pScrn);
1075    struct pipe_resource *tex;
1076    struct winsys_handle whandle;
1077    unsigned fb_id;
1078    int ret;
1079
1080    ms->noEvict = TRUE;
1081
1082    tex = xorg_exa_create_root_texture(pScrn, pScrn->virtualX, pScrn->virtualY,
1083				       pScrn->depth, pScrn->bitsPerPixel);
1084
1085    if (!tex)
1086	return FALSE;
1087
1088    memset(&whandle, 0, sizeof(whandle));
1089    whandle.type = DRM_API_HANDLE_TYPE_KMS;
1090
1091    if (!ms->screen->resource_get_handle(ms->screen, tex, &whandle))
1092	goto err_destroy;
1093
1094    ret = drmModeAddFB(ms->fd,
1095		       pScrn->virtualX,
1096		       pScrn->virtualY,
1097		       pScrn->depth,
1098		       pScrn->bitsPerPixel,
1099		       whandle.stride,
1100		       whandle.handle,
1101		       &fb_id);
1102    if (ret) {
1103	debug_printf("%s: failed to create framebuffer (%i, %s)\n",
1104		     __func__, ret, strerror(-ret));
1105	goto err_destroy;
1106    }
1107
1108    if (!drv_destroy_front_buffer_ga3d(pScrn))
1109	FatalError("%s: failed to take down old framebuffer\n", __func__);
1110
1111    pScrn->frameX0 = 0;
1112    pScrn->frameY0 = 0;
1113    drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
1114
1115    pipe_resource_reference(&ms->root_texture, tex);
1116    pipe_resource_reference(&tex, NULL);
1117    ms->fb_id = fb_id;
1118
1119    return TRUE;
1120
1121err_destroy:
1122    pipe_resource_reference(&tex, NULL);
1123    return FALSE;
1124}
1125
1126static Bool
1127drv_bind_front_buffer_ga3d(ScrnInfoPtr pScrn)
1128{
1129    modesettingPtr ms = modesettingPTR(pScrn);
1130    ScreenPtr pScreen = pScrn->pScreen;
1131    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
1132    struct pipe_resource *check;
1133
1134    xorg_exa_set_displayed_usage(rootPixmap);
1135    xorg_exa_set_shared_usage(rootPixmap);
1136    xorg_exa_set_texture(rootPixmap, ms->root_texture);
1137    if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, NULL))
1138	FatalError("Couldn't adjust screen pixmap\n");
1139
1140    check = xorg_exa_get_texture(rootPixmap);
1141    if (ms->root_texture != check)
1142	FatalError("Created new root texture\n");
1143
1144    pipe_resource_reference(&check, NULL);
1145    return TRUE;
1146}
1147
1148#ifdef HAVE_LIBKMS
1149static Bool
1150drv_destroy_front_buffer_kms(ScrnInfoPtr pScrn)
1151{
1152    modesettingPtr ms = modesettingPTR(pScrn);
1153    ScreenPtr pScreen = pScrn->pScreen;
1154    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
1155
1156    /* XXX Do something with the rootPixmap.
1157     * This currently works fine but if we are getting crashes in
1158     * the fb functions after VT switches maybe look more into it.
1159     */
1160    (void)rootPixmap;
1161
1162    if (!ms->root_bo)
1163	return TRUE;
1164
1165    if (ms->fb_id != -1) {
1166	drmModeRmFB(ms->fd, ms->fb_id);
1167	ms->fb_id = -1;
1168    }
1169
1170    kms_bo_unmap(ms->root_bo);
1171    kms_bo_destroy(&ms->root_bo);
1172    return TRUE;
1173}
1174
1175static Bool
1176drv_create_front_buffer_kms(ScrnInfoPtr pScrn)
1177{
1178    modesettingPtr ms = modesettingPTR(pScrn);
1179    unsigned handle, stride;
1180    struct kms_bo *bo;
1181    unsigned attr[8];
1182    unsigned fb_id;
1183    int ret;
1184
1185    attr[0] = KMS_BO_TYPE;
1186#ifdef KMS_BO_TYPE_SCANOUT_X8R8G8B8
1187    attr[1] = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
1188#else
1189    attr[1] = KMS_BO_TYPE_SCANOUT;
1190#endif
1191    attr[2] = KMS_WIDTH;
1192    attr[3] = pScrn->virtualX;
1193    attr[4] = KMS_HEIGHT;
1194    attr[5] = pScrn->virtualY;
1195    attr[6] = 0;
1196
1197    if (kms_bo_create(ms->kms, attr, &bo))
1198	return FALSE;
1199
1200    if (kms_bo_get_prop(bo, KMS_PITCH, &stride))
1201	goto err_destroy;
1202
1203    if (kms_bo_get_prop(bo, KMS_HANDLE, &handle))
1204	goto err_destroy;
1205
1206    ret = drmModeAddFB(ms->fd,
1207		       pScrn->virtualX,
1208		       pScrn->virtualY,
1209		       pScrn->depth,
1210		       pScrn->bitsPerPixel,
1211		       stride,
1212		       handle,
1213		       &fb_id);
1214    if (ret) {
1215	debug_printf("%s: failed to create framebuffer (%i, %s)",
1216		     __func__, ret, strerror(-ret));
1217	goto err_destroy;
1218    }
1219
1220    if (!drv_destroy_front_buffer_kms(pScrn))
1221	FatalError("%s: could not takedown old bo", __func__);
1222
1223    pScrn->frameX0 = 0;
1224    pScrn->frameY0 = 0;
1225    drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
1226    ms->root_bo = bo;
1227    ms->fb_id = fb_id;
1228
1229    return TRUE;
1230
1231err_destroy:
1232    kms_bo_destroy(&bo);
1233    return FALSE;
1234}
1235
1236static Bool
1237drv_bind_front_buffer_kms(ScrnInfoPtr pScrn)
1238{
1239    modesettingPtr ms = modesettingPTR(pScrn);
1240    ScreenPtr pScreen = pScrn->pScreen;
1241    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
1242    unsigned stride;
1243    void *ptr;
1244
1245    if (kms_bo_get_prop(ms->root_bo, KMS_PITCH, &stride))
1246	return FALSE;
1247
1248    if (kms_bo_map(ms->root_bo, &ptr))
1249	goto err_destroy;
1250
1251    pScreen->ModifyPixmapHeader(rootPixmap,
1252				pScrn->virtualX,
1253				pScrn->virtualY,
1254				pScreen->rootDepth,
1255				pScrn->bitsPerPixel,
1256				stride,
1257				ptr);
1258
1259#if (XORG_VERSION_CURRENT < XORG_VERSION_NUMERIC(1, 9, 99, 1, 0))
1260
1261    /* This a hack to work around EnableDisableFBAccess setting the pointer
1262     * the real fix would be to replace pScrn->EnableDisableFBAccess hook
1263     * and set the rootPixmap->devPrivate.ptr to something valid before that.
1264     *
1265     * But in its infinit visdome something uses either this some times before
1266     * that, so our hook doesn't get called before the crash happens.
1267     */
1268    pScrn->pixmapPrivate.ptr = ptr;
1269
1270#endif
1271
1272    return TRUE;
1273
1274err_destroy:
1275    kms_bo_destroy(&ms->root_bo);
1276    return FALSE;
1277}
1278#endif /* HAVE_LIBKMS */
1279
1280static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn)
1281{
1282    modesettingPtr ms = modesettingPTR(pScrn);
1283    if (ms->screen) {
1284	ms->destroy_front_buffer = drv_destroy_front_buffer_ga3d;
1285	ms->create_front_buffer = drv_create_front_buffer_ga3d;
1286	ms->bind_front_buffer = drv_bind_front_buffer_ga3d;
1287#ifdef HAVE_LIBKMS
1288    } else if (ms->kms) {
1289	ms->destroy_front_buffer = drv_destroy_front_buffer_kms;
1290	ms->create_front_buffer = drv_create_front_buffer_kms;
1291	ms->bind_front_buffer = drv_bind_front_buffer_kms;
1292#endif
1293    } else
1294	return FALSE;
1295
1296    return TRUE;
1297}
1298
1299CustomizerPtr xorg_customizer(ScrnInfoPtr pScrn)
1300{
1301    return modesettingPTR(pScrn)->cust;
1302}
1303
1304Bool xorg_has_gallium(ScrnInfoPtr pScrn)
1305{
1306    return modesettingPTR(pScrn)->screen != NULL;
1307}
1308
1309/* vim: set sw=4 ts=8 sts=4: */
1310