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|
/*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Author: Alan Hourihane <alanh@tungstengraphics.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*
*/
#include "xorg-server.h"
#include "xf86.h"
#include "xf86_OSproc.h"
#include "compiler.h"
#include "xf86PciInfo.h"
#include "xf86Pci.h"
#include "mipointer.h"
#include "micmap.h"
#include <X11/extensions/randr.h>
#include "fb.h"
#include "edid.h"
#include "xf86i2c.h"
#include "xf86Crtc.h"
#include "miscstruct.h"
#include "dixstruct.h"
#include "xf86xv.h"
#ifndef XSERVER_LIBPCIACCESS
#error "libpciaccess needed"
#endif
#include <pciaccess.h>
#include "pipe/p_context.h"
#include "xorg_tracker.h"
#include "xorg_winsys.h"
#ifdef HAVE_LIBKMS
#include "libkms.h"
#endif
/*
* Functions and symbols exported to Xorg via pointers.
*/
static Bool drv_pre_init(ScrnInfoPtr pScrn, int flags);
static Bool drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc,
char **argv);
static Bool drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags);
static void drv_adjust_frame(int scrnIndex, int x, int y, int flags);
static Bool drv_enter_vt(int scrnIndex, int flags);
static void drv_leave_vt(int scrnIndex, int flags);
static void drv_free_screen(int scrnIndex, int flags);
static ModeStatus drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose,
int flags);
typedef enum
{
OPTION_SW_CURSOR,
OPTION_2D_ACCEL,
OPTION_DEBUG_FALLBACK,
} drv_option_enums;
static const OptionInfoRec drv_options[] = {
{OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE},
{OPTION_2D_ACCEL, "2DAccel", OPTV_BOOLEAN, {0}, FALSE},
{OPTION_DEBUG_FALLBACK, "DebugFallback", OPTV_BOOLEAN, {0}, FALSE},
{-1, NULL, OPTV_NONE, {0}, FALSE}
};
/*
* Exported Xorg driver functions to winsys
*/
const OptionInfoRec *
xorg_tracker_available_options(int chipid, int busid)
{
return drv_options;
}
void
xorg_tracker_set_functions(ScrnInfoPtr scrn)
{
scrn->PreInit = drv_pre_init;
scrn->ScreenInit = drv_screen_init;
scrn->SwitchMode = drv_switch_mode;
scrn->AdjustFrame = drv_adjust_frame;
scrn->EnterVT = drv_enter_vt;
scrn->LeaveVT = drv_leave_vt;
scrn->FreeScreen = drv_free_screen;
scrn->ValidMode = drv_valid_mode;
}
Bool
xorg_tracker_have_modesetting(ScrnInfoPtr pScrn, struct pci_device *device)
{
char *BusID = xalloc(64);
sprintf(BusID, "pci:%04x:%02x:%02x.%d",
device->domain, device->bus,
device->dev, device->func);
if (drmCheckModesettingSupported(BusID)) {
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
"Drm modesetting not supported %s\n", BusID);
xfree(BusID);
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 0,
"Drm modesetting supported on %s\n", BusID);
xfree(BusID);
return TRUE;
}
/*
* Internal function definitions
*/
static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn);
static Bool drv_close_screen(int scrnIndex, ScreenPtr pScreen);
static Bool drv_save_hw_state(ScrnInfoPtr pScrn);
static Bool drv_restore_hw_state(ScrnInfoPtr pScrn);
/*
* Internal functions
*/
static Bool
drv_get_rec(ScrnInfoPtr pScrn)
{
if (pScrn->driverPrivate)
return TRUE;
pScrn->driverPrivate = xnfcalloc(1, sizeof(modesettingRec));
return TRUE;
}
static void
drv_free_rec(ScrnInfoPtr pScrn)
{
if (!pScrn)
return;
if (!pScrn->driverPrivate)
return;
xfree(pScrn->driverPrivate);
pScrn->driverPrivate = NULL;
}
static void
drv_probe_ddc(ScrnInfoPtr pScrn, int index)
{
ConfiguredMonitor = NULL;
}
static Bool
drv_crtc_resize(ScrnInfoPtr pScrn, int width, int height)
{
modesettingPtr ms = modesettingPTR(pScrn);
PixmapPtr rootPixmap;
ScreenPtr pScreen = pScrn->pScreen;
if (width == pScrn->virtualX && height == pScrn->virtualY)
return TRUE;
pScrn->virtualX = width;
pScrn->virtualY = height;
/*
* Remove the old framebuffer & texture.
*/
drmModeRmFB(ms->fd, ms->fb_id);
if (!ms->destroy_front_buffer(pScrn))
FatalError("failed to destroy front buffer\n");
rootPixmap = pScreen->GetScreenPixmap(pScreen);
if (!pScreen->ModifyPixmapHeader(rootPixmap, width, height, -1, -1, -1, NULL))
return FALSE;
pScrn->displayWidth = rootPixmap->devKind / (rootPixmap->drawable.bitsPerPixel / 8);
/* now create new frontbuffer */
return ms->create_front_buffer(pScrn) && ms->bind_front_buffer(pScrn);
}
static const xf86CrtcConfigFuncsRec crtc_config_funcs = {
.resize = drv_crtc_resize
};
static Bool
drv_init_drm(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
/* deal with server regeneration */
if (ms->fd < 0) {
char *BusID;
BusID = xalloc(64);
sprintf(BusID, "PCI:%d:%d:%d",
((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
ms->PciInfo->dev, ms->PciInfo->func
);
ms->api = drm_api_create();
ms->fd = drmOpen(ms->api ? ms->api->driver_name : NULL, BusID);
xfree(BusID);
if (ms->fd >= 0)
return TRUE;
if (ms->api && ms->api->destroy)
ms->api->destroy(ms->api);
ms->api = NULL;
return FALSE;
}
return TRUE;
}
static Bool
drv_close_drm(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
if (ms->api && ms->api->destroy)
ms->api->destroy(ms->api);
ms->api = NULL;
drmClose(ms->fd);
ms->fd = -1;
return TRUE;
}
static Bool
drv_init_resource_management(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
/*
ScreenPtr pScreen = pScrn->pScreen;
PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
Bool fbAccessDisabled;
CARD8 *fbstart;
*/
if (ms->screen || ms->kms)
return TRUE;
if (ms->api) {
ms->screen = ms->api->create_screen(ms->api, ms->fd, NULL);
if (ms->screen)
return TRUE;
if (ms->api->destroy)
ms->api->destroy(ms->api);
ms->api = NULL;
}
#ifdef HAVE_LIBKMS
if (!kms_create(ms->fd, &ms->kms))
return TRUE;
#endif
return FALSE;
}
static Bool
drv_close_resource_management(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
int i;
if (ms->screen) {
assert(ms->ctx == NULL);
for (i = 0; i < XORG_NR_FENCES; i++) {
if (ms->fence[i]) {
ms->screen->fence_finish(ms->screen, ms->fence[i], 0);
ms->screen->fence_reference(ms->screen, &ms->fence[i], NULL);
}
}
ms->screen->destroy(ms->screen);
}
ms->screen = NULL;
#ifdef HAVE_LIBKMS
if (ms->kms)
kms_destroy(&ms->kms);
#endif
return TRUE;
}
static Bool
drv_pre_init(ScrnInfoPtr pScrn, int flags)
{
xf86CrtcConfigPtr xf86_config;
modesettingPtr ms;
rgb defaultWeight = { 0, 0, 0 };
EntityInfoPtr pEnt;
EntPtr msEnt = NULL;
int max_width, max_height;
if (pScrn->numEntities != 1)
return FALSE;
pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
if (flags & PROBE_DETECT) {
drv_probe_ddc(pScrn, pEnt->index);
return TRUE;
}
/* Allocate driverPrivate */
if (!drv_get_rec(pScrn))
return FALSE;
ms = modesettingPTR(pScrn);
ms->SaveGeneration = -1;
ms->pEnt = pEnt;
pScrn->displayWidth = 640; /* default it */
if (ms->pEnt->location.type != BUS_PCI)
return FALSE;
ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
/* Allocate an entity private if necessary */
if (xf86IsEntityShared(pScrn->entityList[0])) {
FatalError("Entity");
#if 0
msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
modesettingEntityIndex)->ptr;
ms->entityPrivate = msEnt;
#else
(void)msEnt;
#endif
} else
ms->entityPrivate = NULL;
if (xf86IsEntityShared(pScrn->entityList[0])) {
if (xf86IsPrimInitDone(pScrn->entityList[0])) {
/* do something */
} else {
xf86SetPrimInitDone(pScrn->entityList[0]);
}
}
ms->fd = -1;
ms->api = NULL;
if (!drv_init_drm(pScrn))
return FALSE;
pScrn->monitor = pScrn->confScreen->monitor;
pScrn->progClock = TRUE;
pScrn->rgbBits = 8;
if (!xf86SetDepthBpp
(pScrn, 0, 0, 0,
PreferConvert24to32 | SupportConvert24to32 | Support32bppFb))
return FALSE;
switch (pScrn->depth) {
case 15:
case 16:
case 24:
break;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Given depth (%d) is not supported by the driver\n",
pScrn->depth);
return FALSE;
}
xf86PrintDepthBpp(pScrn);
if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
return FALSE;
if (!xf86SetDefaultVisual(pScrn, -1))
return FALSE;
/* Process the options */
xf86CollectOptions(pScrn, NULL);
if (!(ms->Options = xalloc(sizeof(drv_options))))
return FALSE;
memcpy(ms->Options, drv_options, sizeof(drv_options));
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);
/* Allocate an xf86CrtcConfig */
xf86CrtcConfigInit(pScrn, &crtc_config_funcs);
xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
max_width = 8192;
max_height = 8192;
xf86CrtcSetSizeRange(pScrn, 320, 200, max_width, max_height);
if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
ms->SWCursor = TRUE;
}
drv_save_hw_state(pScrn);
xorg_crtc_init(pScrn);
xorg_output_init(pScrn);
if (!xf86InitialConfiguration(pScrn, TRUE)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes.\n");
drv_restore_hw_state(pScrn);
return FALSE;
}
drv_restore_hw_state(pScrn);
/*
* If the driver can do gamma correction, it should call xf86SetGamma() here.
*/
{
Gamma zeros = { 0.0, 0.0, 0.0 };
if (!xf86SetGamma(pScrn, zeros)) {
return FALSE;
}
}
if (pScrn->modes == NULL) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
return FALSE;
}
pScrn->currentMode = pScrn->modes;
/* Set display resolution */
xf86SetDpi(pScrn, 0, 0);
/* Load the required sub modules */
if (!xf86LoadSubModule(pScrn, "fb"))
return FALSE;
/* XXX: these aren't needed when we are using libkms */
if (!xf86LoadSubModule(pScrn, "exa"))
return FALSE;
#ifdef DRI2
if (!xf86LoadSubModule(pScrn, "dri2"))
return FALSE;
#endif
return TRUE;
}
static Bool
drv_save_hw_state(ScrnInfoPtr pScrn)
{
/*xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);*/
return TRUE;
}
static Bool
drv_restore_hw_state(ScrnInfoPtr pScrn)
{
/*xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);*/
return TRUE;
}
static void drv_block_handler(int i, pointer blockData, pointer pTimeout,
pointer pReadmask)
{
ScreenPtr pScreen = screenInfo.screens[i];
modesettingPtr ms = modesettingPTR(xf86Screens[pScreen->myNum]);
pScreen->BlockHandler = ms->blockHandler;
pScreen->BlockHandler(i, blockData, pTimeout, pReadmask);
pScreen->BlockHandler = drv_block_handler;
if (ms->ctx) {
int j;
ms->ctx->flush(ms->ctx, PIPE_FLUSH_RENDER_CACHE, &ms->fence[XORG_NR_FENCES-1]);
if (ms->fence[0])
ms->ctx->screen->fence_finish(ms->ctx->screen, ms->fence[0], 0);
/* The amount of rendering generated by a block handler can be
* quite small. Let us get a fair way ahead of hardware before
* throttling.
*/
for (j = 0; j < XORG_NR_FENCES - 1; j++)
ms->screen->fence_reference(ms->screen,
&ms->fence[j],
ms->fence[j+1]);
ms->screen->fence_reference(ms->screen,
&ms->fence[XORG_NR_FENCES-1],
NULL);
}
#ifdef DRM_MODE_FEATURE_DIRTYFB
{
RegionPtr dirty = DamageRegion(ms->damage);
unsigned num_cliprects = REGION_NUM_RECTS(dirty);
if (num_cliprects) {
drmModeClip *clip = alloca(num_cliprects * sizeof(drmModeClip));
BoxPtr rect = REGION_RECTS(dirty);
int i, ret;
/* XXX no need for copy? */
for (i = 0; i < num_cliprects; i++, rect++) {
clip[i].x1 = rect->x1;
clip[i].y1 = rect->y1;
clip[i].x2 = rect->x2;
clip[i].y2 = rect->y2;
}
/* TODO query connector property to see if this is needed */
ret = drmModeDirtyFB(ms->fd, ms->fb_id, clip, num_cliprects);
if (ret) {
debug_printf("%s: failed to send dirty (%i, %s)\n",
__func__, ret, strerror(-ret));
}
DamageEmpty(ms->damage);
}
}
#endif
}
static Bool
drv_create_screen_resources(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
PixmapPtr rootPixmap;
Bool ret;
ms->noEvict = TRUE;
pScreen->CreateScreenResources = ms->createScreenResources;
ret = pScreen->CreateScreenResources(pScreen);
pScreen->CreateScreenResources = drv_create_screen_resources;
ms->bind_front_buffer(pScrn);
ms->noEvict = FALSE;
drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
#ifdef DRM_MODE_FEATURE_DIRTYFB
rootPixmap = pScreen->GetScreenPixmap(pScreen);
ms->damage = DamageCreate(NULL, NULL, DamageReportNone, TRUE,
pScreen, rootPixmap);
if (ms->damage) {
DamageRegister(&rootPixmap->drawable, ms->damage);
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Damage tracking initialized\n");
} else {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to create screen damage record\n");
return FALSE;
}
#else
(void)rootPixmap;
#endif
return ret;
}
static Bool
drv_screen_init(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
VisualPtr visual;
if (!drv_init_drm(pScrn)) {
FatalError("Could not init DRM");
return FALSE;
}
if (!drv_init_resource_management(pScrn)) {
FatalError("Could not init resource management (!pipe_screen && !libkms)");
return FALSE;
}
if (!drv_init_front_buffer_functions(pScrn)) {
FatalError("Could not init front buffer manager");
return FALSE;
}
pScrn->pScreen = pScreen;
/* HW dependent - FIXME */
pScrn->displayWidth = pScrn->virtualX;
miClearVisualTypes();
if (!miSetVisualTypes(pScrn->depth,
miGetDefaultVisualMask(pScrn->depth),
pScrn->rgbBits, pScrn->defaultVisual))
return FALSE;
if (!miSetPixmapDepths())
return FALSE;
pScrn->memPhysBase = 0;
pScrn->fbOffset = 0;
if (!fbScreenInit(pScreen, NULL,
pScrn->virtualX, pScrn->virtualY,
pScrn->xDpi, pScrn->yDpi,
pScrn->displayWidth, pScrn->bitsPerPixel))
return FALSE;
if (pScrn->bitsPerPixel > 8) {
/* Fixup RGB ordering */
visual = pScreen->visuals + pScreen->numVisuals;
while (--visual >= pScreen->visuals) {
if ((visual->class | DynamicClass) == DirectColor) {
visual->offsetRed = pScrn->offset.red;
visual->offsetGreen = pScrn->offset.green;
visual->offsetBlue = pScrn->offset.blue;
visual->redMask = pScrn->mask.red;
visual->greenMask = pScrn->mask.green;
visual->blueMask = pScrn->mask.blue;
}
}
}
fbPictureInit(pScreen, NULL, 0);
ms->blockHandler = pScreen->BlockHandler;
pScreen->BlockHandler = drv_block_handler;
ms->createScreenResources = pScreen->CreateScreenResources;
pScreen->CreateScreenResources = drv_create_screen_resources;
xf86SetBlackWhitePixels(pScreen);
ms->accelerate_2d = xf86ReturnOptValBool(ms->Options, OPTION_2D_ACCEL, FALSE);
ms->debug_fallback = xf86ReturnOptValBool(ms->Options, OPTION_DEBUG_FALLBACK, ms->accelerate_2d);
if (ms->screen) {
ms->exa = xorg_exa_init(pScrn, ms->accelerate_2d);
xorg_xv_init(pScreen);
#ifdef DRI2
xorg_dri2_init(pScreen);
#endif
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "# Usefull debugging info follows #\n");
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Using %s backend\n",
ms->screen ? "Gallium3D" : "libkms");
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "2D Acceleration is %s\n",
ms->screen && ms->accelerate_2d ? "enabled" : "disabled");
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Fallback debugging is %s\n",
ms->debug_fallback ? "enabled" : "disabled");
#ifdef DRI2
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is %s\n",
ms->screen ? "enabled" : "disabled");
#else
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "3D Acceleration is disabled\n");
#endif
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "##################################\n");
miInitializeBackingStore(pScreen);
xf86SetBackingStore(pScreen);
xf86SetSilkenMouse(pScreen);
miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
/* Need to extend HWcursor support to handle mask interleave */
if (!ms->SWCursor)
xf86_cursors_init(pScreen, 64, 64,
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64 |
HARDWARE_CURSOR_ARGB);
/* Must force it before EnterVT, so we are in control of VT and
* later memory should be bound when allocating, e.g rotate_mem */
pScrn->vtSema = TRUE;
pScreen->SaveScreen = xf86SaveScreen;
ms->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = drv_close_screen;
if (!xf86CrtcScreenInit(pScreen))
return FALSE;
if (!miCreateDefColormap(pScreen))
return FALSE;
xf86DPMSInit(pScreen, xf86DPMSSet, 0);
if (serverGeneration == 1)
xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
if (ms->winsys_screen_init)
ms->winsys_screen_init(pScrn);
return drv_enter_vt(scrnIndex, 1);
}
static void
drv_adjust_frame(int scrnIndex, int x, int y, int flags)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
xf86OutputPtr output = config->output[config->compat_output];
xf86CrtcPtr crtc = output->crtc;
if (crtc && crtc->enabled) {
crtc->funcs->set_mode_major(crtc, pScrn->currentMode,
RR_Rotate_0, x, y);
crtc->x = output->initial_x + x;
crtc->y = output->initial_y + y;
}
}
static void
drv_free_screen(int scrnIndex, int flags)
{
drv_free_rec(xf86Screens[scrnIndex]);
}
static void
drv_leave_vt(int scrnIndex, int flags)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
modesettingPtr ms = modesettingPTR(pScrn);
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
int o;
if (ms->winsys_leave_vt)
ms->winsys_leave_vt(pScrn);
for (o = 0; o < config->num_crtc; o++) {
xf86CrtcPtr crtc = config->crtc[o];
xorg_crtc_cursor_destroy(crtc);
if (crtc->rotatedPixmap || crtc->rotatedData) {
crtc->funcs->shadow_destroy(crtc, crtc->rotatedPixmap,
crtc->rotatedData);
crtc->rotatedPixmap = NULL;
crtc->rotatedData = NULL;
}
}
drmModeRmFB(ms->fd, ms->fb_id);
drv_restore_hw_state(pScrn);
if (drmDropMaster(ms->fd))
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"drmDropMaster failed: %s\n", strerror(errno));
pScrn->vtSema = FALSE;
}
/*
* This gets called when gaining control of the VT, and from ScreenInit().
*/
static Bool
drv_enter_vt(int scrnIndex, int flags)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
modesettingPtr ms = modesettingPTR(pScrn);
if (drmSetMaster(ms->fd)) {
if (errno == EINVAL) {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"drmSetMaster failed: 2.6.29 or newer kernel required for "
"multi-server DRI\n");
} else {
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"drmSetMaster failed: %s\n", strerror(errno));
}
}
/*
* Only save state once per server generation since that's what most
* drivers do. Could change this to save state at each VT enter.
*/
if (ms->SaveGeneration != serverGeneration) {
ms->SaveGeneration = serverGeneration;
drv_save_hw_state(pScrn);
}
if (!ms->create_front_buffer(pScrn))
return FALSE;
if (!flags && !ms->bind_front_buffer(pScrn))
return FALSE;
if (!xf86SetDesiredModes(pScrn))
return FALSE;
if (ms->winsys_enter_vt)
ms->winsys_enter_vt(pScrn);
return TRUE;
}
static Bool
drv_switch_mode(int scrnIndex, DisplayModePtr mode, int flags)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
return xf86SetSingleMode(pScrn, mode, RR_Rotate_0);
}
static Bool
drv_close_screen(int scrnIndex, ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
modesettingPtr ms = modesettingPTR(pScrn);
if (pScrn->vtSema) {
drv_leave_vt(scrnIndex, 0);
}
if (ms->winsys_screen_close)
ms->winsys_screen_close(pScrn);
#ifdef DRI2
if (ms->screen)
xorg_dri2_close(pScreen);
#endif
pScreen->BlockHandler = ms->blockHandler;
pScreen->CreateScreenResources = ms->createScreenResources;
#ifdef DRM_MODE_FEATURE_DIRTYFB
if (ms->damage) {
DamageUnregister(&pScreen->GetScreenPixmap(pScreen)->drawable, ms->damage);
DamageDestroy(ms->damage);
ms->damage = NULL;
}
#endif
drmModeRmFB(ms->fd, ms->fb_id);
ms->destroy_front_buffer(pScrn);
if (ms->exa)
xorg_exa_close(pScrn);
ms->exa = NULL;
drv_close_resource_management(pScrn);
drv_close_drm(pScrn);
pScrn->vtSema = FALSE;
pScreen->CloseScreen = ms->CloseScreen;
return (*pScreen->CloseScreen) (scrnIndex, pScreen);
}
static ModeStatus
drv_valid_mode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
{
return MODE_OK;
}
/*
* Front buffer backing store functions.
*/
static Bool
drv_destroy_front_buffer_ga3d(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
pipe_texture_reference(&ms->root_texture, NULL);
return TRUE;
}
static Bool
drv_create_front_buffer_ga3d(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
unsigned handle, stride;
struct pipe_texture *tex;
int ret;
ms->noEvict = TRUE;
tex = xorg_exa_create_root_texture(pScrn, pScrn->virtualX, pScrn->virtualY,
pScrn->depth, pScrn->bitsPerPixel);
if (!tex)
return FALSE;
if (!ms->api->local_handle_from_texture(ms->api, ms->screen,
tex,
&stride,
&handle))
goto err_destroy;
ret = drmModeAddFB(ms->fd,
pScrn->virtualX,
pScrn->virtualY,
pScrn->depth,
pScrn->bitsPerPixel,
stride,
handle,
&ms->fb_id);
if (ret) {
debug_printf("%s: failed to create framebuffer (%i, %s)",
__func__, ret, strerror(-ret));
goto err_destroy;
}
pScrn->frameX0 = 0;
pScrn->frameY0 = 0;
drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
pipe_texture_reference(&ms->root_texture, tex);
pipe_texture_reference(&tex, NULL);
return TRUE;
err_destroy:
pipe_texture_reference(&tex, NULL);
return FALSE;
}
static Bool
drv_bind_front_buffer_ga3d(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
ScreenPtr pScreen = pScrn->pScreen;
PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
struct pipe_texture *check;
xorg_exa_set_displayed_usage(rootPixmap);
xorg_exa_set_shared_usage(rootPixmap);
xorg_exa_set_texture(rootPixmap, ms->root_texture);
if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, NULL))
FatalError("Couldn't adjust screen pixmap\n");
check = xorg_exa_get_texture(rootPixmap);
if (ms->root_texture != check)
FatalError("Created new root texture\n");
pipe_texture_reference(&check, NULL);
return TRUE;
}
#ifdef HAVE_LIBKMS
static Bool
drv_destroy_front_buffer_kms(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
ScreenPtr pScreen = pScrn->pScreen;
PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
/* XXX Do something with the rootPixmap.
* This currently works fine but if we are getting crashes in
* the fb functions after VT switches maybe look more into it.
*/
(void)rootPixmap;
if (!ms->root_bo)
return TRUE;
kms_bo_unmap(ms->root_bo);
kms_bo_destroy(&ms->root_bo);
return TRUE;
}
static Bool
drv_create_front_buffer_kms(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
unsigned handle, stride;
struct kms_bo *bo;
unsigned attr[8];
int ret;
attr[0] = KMS_BO_TYPE;
#ifdef KMS_BO_TYPE_SCANOUT_X8R8G8B8
attr[1] = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
#else
attr[1] = KMS_BO_TYPE_SCANOUT;
#endif
attr[2] = KMS_WIDTH;
attr[3] = pScrn->virtualX;
attr[4] = KMS_HEIGHT;
attr[5] = pScrn->virtualY;
attr[6] = 0;
if (kms_bo_create(ms->kms, attr, &bo))
return FALSE;
if (kms_bo_get_prop(bo, KMS_PITCH, &stride))
goto err_destroy;
if (kms_bo_get_prop(bo, KMS_HANDLE, &handle))
goto err_destroy;
ret = drmModeAddFB(ms->fd,
pScrn->virtualX,
pScrn->virtualY,
pScrn->depth,
pScrn->bitsPerPixel,
stride,
handle,
&ms->fb_id);
if (ret) {
debug_printf("%s: failed to create framebuffer (%i, %s)",
__func__, ret, strerror(-ret));
goto err_destroy;
}
pScrn->frameX0 = 0;
pScrn->frameY0 = 0;
drv_adjust_frame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
ms->root_bo = bo;
return TRUE;
err_destroy:
kms_bo_destroy(&bo);
return FALSE;
}
static Bool
drv_bind_front_buffer_kms(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
ScreenPtr pScreen = pScrn->pScreen;
PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
unsigned stride;
void *ptr;
if (kms_bo_get_prop(ms->root_bo, KMS_PITCH, &stride))
return FALSE;
if (kms_bo_map(ms->root_bo, &ptr))
goto err_destroy;
pScreen->ModifyPixmapHeader(rootPixmap,
pScrn->virtualX,
pScrn->virtualY,
pScreen->rootDepth,
pScrn->bitsPerPixel,
stride,
ptr);
/* This a hack to work around EnableDisableFBAccess setting the pointer
* the real fix would be to replace pScrn->EnableDisableFBAccess hook
* and set the rootPixmap->devPrivate.ptr to something valid before that.
*
* But in its infinit visdome something uses either this some times before
* that, so our hook doesn't get called before the crash happens.
*/
pScrn->pixmapPrivate.ptr = ptr;
return TRUE;
err_destroy:
kms_bo_destroy(&ms->root_bo);
return FALSE;
}
#endif /* HAVE_LIBKMS */
static Bool drv_init_front_buffer_functions(ScrnInfoPtr pScrn)
{
modesettingPtr ms = modesettingPTR(pScrn);
if (ms->screen) {
ms->destroy_front_buffer = drv_destroy_front_buffer_ga3d;
ms->create_front_buffer = drv_create_front_buffer_ga3d;
ms->bind_front_buffer = drv_bind_front_buffer_ga3d;
#ifdef HAVE_LIBKMS
} else if (ms->kms) {
ms->destroy_front_buffer = drv_destroy_front_buffer_kms;
ms->create_front_buffer = drv_create_front_buffer_kms;
ms->bind_front_buffer = drv_bind_front_buffer_kms;
#endif
} else
return FALSE;
return TRUE;
}
/* vim: set sw=4 ts=8 sts=4: */
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