1 files changed, 695 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
new file mode 100644
index 00000000000..d166a365ac5
--- /dev/null
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -0,0 +1,695 @@
+/*
+ * 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 "xf86RAC.h"
+#include "xf86PciInfo.h"
+#include "xf86Pci.h"
+#include "xf86Resources.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"
+#include <X11/extensions/Xv.h>
+#ifndef XSERVER_LIBPCIACCESS
+#error "libpciaccess needed"
+#endif
+
+#include <pciaccess.h>
+
+#include "xorg_tracker.h"
+#include "xorg_winsys.h"
+
+static void AdjustFrame(int scrnIndex, int x, int y, int flags);
+static Bool CloseScreen(int scrnIndex, ScreenPtr pScreen);
+static Bool EnterVT(int scrnIndex, int flags);
+static Bool SaveHWState(ScrnInfoPtr pScrn);
+static Bool RestoreHWState(ScrnInfoPtr pScrn);
+
+
+static ModeStatus ValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose,
+                            int flags);
+static void FreeScreen(int scrnIndex, int flags);
+static void LeaveVT(int scrnIndex, int flags);
+static Bool SwitchMode(int scrnIndex, DisplayModePtr mode, int flags);
+static Bool ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc,
+                       char **argv);
+static Bool PreInit(ScrnInfoPtr pScrn, int flags);
+
+typedef enum
+{
+    OPTION_SW_CURSOR,
+} modesettingOpts;
+
+static const OptionInfoRec Options[] = {
+    {OPTION_SW_CURSOR, "SWcursor", OPTV_BOOLEAN, {0}, FALSE},
+    {-1, NULL, OPTV_NONE, {0}, FALSE}
+};
+
+/*
+ * Functions that might be needed
+ */
+
+static const char *exaSymbols[] = {
+    "exaGetVersion",
+    "exaDriverInit",
+    "exaDriverFini",
+    "exaOffscreenAlloc",
+    "exaOffscreenFree",
+    "exaWaitSync",
+    NULL
+};
+
+static const char *fbSymbols[] = {
+    "fbPictureInit",
+    "fbScreenInit",
+    NULL
+};
+
+static const char *ddcSymbols[] = {
+    "xf86PrintEDID",
+    "xf86SetDDCproperties",
+    NULL
+};
+
+/*
+ * Exported Xorg driver functions to winsys
+ */
+
+void
+xorg_tracker_loader_ref_sym_lists()
+{
+    LoaderRefSymLists(exaSymbols, fbSymbols, ddcSymbols, NULL);
+}
+
+const OptionInfoRec *
+xorg_tracker_available_options(int chipid, int busid)
+{
+    return Options;
+}
+
+void
+xorg_tracker_set_functions(ScrnInfoPtr scrn)
+{
+    scrn->PreInit = PreInit;
+    scrn->ScreenInit = ScreenInit;
+    scrn->SwitchMode = SwitchMode;
+    scrn->AdjustFrame = AdjustFrame;
+    scrn->EnterVT = EnterVT;
+    scrn->LeaveVT = LeaveVT;
+    scrn->FreeScreen = FreeScreen;
+    scrn->ValidMode = ValidMode;
+}
+
+/*
+ * Static Xorg funtctions
+ */
+
+static Bool
+GetRec(ScrnInfoPtr pScrn)
+{
+    if (pScrn->driverPrivate)
+        return TRUE;
+
+    pScrn->driverPrivate = xnfcalloc(sizeof(modesettingRec), 1);
+
+    return TRUE;
+}
+
+static void
+FreeRec(ScrnInfoPtr pScrn)
+{
+    if (!pScrn)
+        return;
+
+    if (!pScrn->driverPrivate)
+        return;
+
+    xfree(pScrn->driverPrivate);
+
+    pScrn->driverPrivate = NULL;
+}
+
+static void
+ProbeDDC(ScrnInfoPtr pScrn, int index)
+{
+    ConfiguredMonitor = NULL;
+}
+
+static Bool
+CreateFrontBuffer(ScrnInfoPtr pScrn)
+{
+    modesettingPtr ms = modesettingPTR(pScrn);
+    ScreenPtr pScreen = pScrn->pScreen;
+    PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
+
+    ms->noEvict = TRUE;
+    pScreen->ModifyPixmapHeader(rootPixmap,
+                                pScrn->virtualX, pScrn->virtualY,
+                                pScrn->depth, pScrn->bitsPerPixel,
+                                pScrn->displayWidth * pScrn->bitsPerPixel / 8,
+                                NULL);
+    ms->noEvict = FALSE;
+
+    drmModeAddFB(ms->fd,
+                 pScrn->virtualX,
+                 pScrn->virtualY,
+                 pScrn->depth,
+                 pScrn->bitsPerPixel,
+                 pScrn->displayWidth * pScrn->bitsPerPixel / 8,
+                 xorg_exa_get_pixmap_handle(rootPixmap), &ms->fb_id);
+
+    pScrn->frameX0 = 0;
+    pScrn->frameY0 = 0;
+    AdjustFrame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
+
+    return TRUE;
+}
+
+static Bool
+crtc_resize(ScrnInfoPtr pScrn, int width, int height)
+{
+    modesettingPtr ms = modesettingPTR(pScrn);
+    //ScreenPtr pScreen = pScrn->pScreen;
+    //PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
+    //Bool fbAccessDisabled;
+    //CARD8 *fbstart;
+
+    if (width == pScrn->virtualX && height == pScrn->virtualY)
+        return TRUE;
+
+    ErrorF("RESIZING TO %dx%d\n", width, height);
+
+    pScrn->virtualX = width;
+    pScrn->virtualY = height;
+
+    /* HW dependent - FIXME */
+    pScrn->displayWidth = pScrn->virtualX;
+
+    drmModeRmFB(ms->fd, ms->fb_id);
+
+    /* now create new frontbuffer */
+    return CreateFrontBuffer(pScrn);
+}
+
+static const xf86CrtcConfigFuncsRec crtc_config_funcs = {
+    crtc_resize
+};
+
+static Bool
+PreInit(ScrnInfoPtr pScrn, int flags)
+{
+    xf86CrtcConfigPtr xf86_config;
+    modesettingPtr ms;
+    rgb defaultWeight = { 0, 0, 0 };
+    EntityInfoPtr pEnt;
+    EntPtr msEnt = NULL;
+    char *BusID;
+    int max_width, max_height;
+
+    if (pScrn->numEntities != 1)
+        return FALSE;
+
+    pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
+
+    if (flags & PROBE_DETECT) {
+        ProbeDDC(pScrn, pEnt->index);
+        return TRUE;
+    }
+
+    /* Allocate driverPrivate */
+    if (!GetRec(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 (xf86RegisterResources(ms->pEnt->index, NULL, ResNone)) {
+        return FALSE;
+    }
+
+    if (xf86IsEntityShared(pScrn->entityList[0])) {
+        if (xf86IsPrimInitDone(pScrn->entityList[0])) {
+            /* do something */
+        } else {
+            xf86SetPrimInitDone(pScrn->entityList[0]);
+        }
+    }
+
+    BusID = xalloc(64);
+    sprintf(BusID, "PCI:%d:%d:%d",
+            ((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
+            ms->PciInfo->dev, ms->PciInfo->func
+        );
+
+    ms->fd = drmOpen(NULL, BusID);
+
+    if (ms->fd < 0)
+        return FALSE;
+
+    pScrn->racMemFlags = RAC_FB | RAC_COLORMAP;
+    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(Options))))
+        return FALSE;
+    memcpy(ms->Options, Options, sizeof(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;
+    }
+
+    SaveHWState(pScrn);
+
+    crtc_init(pScrn);
+    output_init(pScrn);
+
+    if (!xf86InitialConfiguration(pScrn, TRUE)) {
+        xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes.\n");
+        RestoreHWState(pScrn);
+        return FALSE;
+    }
+
+    RestoreHWState(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;
+    }
+
+    xf86LoaderReqSymLists(fbSymbols, NULL);
+
+    xf86LoadSubModule(pScrn, "exa");
+
+#ifdef DRI2
+    xf86LoadSubModule(pScrn, "dri2");
+#endif
+
+    return TRUE;
+}
+
+static Bool
+SaveHWState(ScrnInfoPtr pScrn)
+{
+    /*xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);*/
+
+    return TRUE;
+}
+
+static Bool
+RestoreHWState(ScrnInfoPtr pScrn)
+{
+    /*xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);*/
+
+    return TRUE;
+}
+
+static Bool
+CreateScreenResources(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 = CreateScreenResources;
+
+    rootPixmap = pScreen->GetScreenPixmap(pScreen);
+
+    if (!pScreen->ModifyPixmapHeader(rootPixmap, -1, -1, -1, -1, -1, NULL))
+        FatalError("Couldn't adjust screen pixmap\n");
+
+    ms->noEvict = FALSE;
+
+    drmModeAddFB(ms->fd,
+                 pScrn->virtualX,
+                 pScrn->virtualY,
+                 pScrn->depth,
+                 pScrn->bitsPerPixel,
+                 pScrn->displayWidth * pScrn->bitsPerPixel / 8,
+                 xorg_exa_get_pixmap_handle(rootPixmap), &ms->fb_id);
+
+    AdjustFrame(pScrn->scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
+
+    return ret;
+}
+
+static Bool
+ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
+{
+    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+    modesettingPtr ms = modesettingPTR(pScrn);
+    VisualPtr visual;
+
+    /* 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->fd = drmOpen(NULL, BusID);
+
+        if (ms->fd < 0)
+            return FALSE;
+    }
+
+    if (!ms->screen) {
+        ms->screen = drm_api_hocks.create_screen(ms->fd, ms->PciInfo->device_id);
+
+        if (!ms->screen) {
+            FatalError("Could not init pipe_screen\n");
+            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->createScreenResources = pScreen->CreateScreenResources;
+    pScreen->CreateScreenResources = CreateScreenResources;
+
+    xf86SetBlackWhitePixels(pScreen);
+
+    ms->exa = xorg_exa_init(pScrn);
+
+    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 = CloseScreen;
+
+    if (!xf86CrtcScreenInit(pScreen))
+        return FALSE;
+
+    if (!miCreateDefColormap(pScreen))
+        return FALSE;
+
+    xf86DPMSInit(pScreen, xf86DPMSSet, 0);
+
+    if (serverGeneration == 1)
+        xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
+
+#if 1
+#ifdef DRI2
+    driScreenInit(pScreen);
+#endif
+#endif
+
+    return EnterVT(scrnIndex, 1);
+}
+
+static void
+AdjustFrame(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->mode_set(crtc, pScrn->currentMode, pScrn->currentMode, x,
+                              y);
+        crtc->x = output->initial_x + x;
+        crtc->y = output->initial_y + y;
+    }
+}
+
+static void
+FreeScreen(int scrnIndex, int flags)
+{
+    FreeRec(xf86Screens[scrnIndex]);
+}
+
+/* HACK */
+void
+cursor_destroy(xf86CrtcPtr crtc);
+
+static void
+LeaveVT(int scrnIndex, int flags)
+{
+    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+    modesettingPtr ms = modesettingPTR(pScrn);
+    xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
+    int o;
+
+    for (o = 0; o < config->num_crtc; o++) {
+        xf86CrtcPtr crtc = config->crtc[o];
+
+        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);
+
+    RestoreHWState(pScrn);
+
+    pScrn->vtSema = FALSE;
+}
+
+/*
+ * This gets called when gaining control of the VT, and from ScreenInit().
+ */
+static Bool
+EnterVT(int scrnIndex, int flags)
+{
+    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+    modesettingPtr ms = modesettingPTR(pScrn);
+
+    /*
+     * 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;
+        SaveHWState(pScrn);
+    }
+
+    if (!flags)                        /* signals startup as we'll do this in CreateScreenResources */
+        CreateFrontBuffer(pScrn);
+
+    if (!xf86SetDesiredModes(pScrn))
+        return FALSE;
+
+    return TRUE;
+}
+
+static Bool
+SwitchMode(int scrnIndex, DisplayModePtr mode, int flags)
+{
+    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+    return xf86SetSingleMode(pScrn, mode, RR_Rotate_0);
+}
+
+static Bool
+CloseScreen(int scrnIndex, ScreenPtr pScreen)
+{
+    ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+    modesettingPtr ms = modesettingPTR(pScrn);
+
+    if (pScrn->vtSema) {
+        LeaveVT(scrnIndex, 0);
+    }
+#ifdef DRI2
+    driCloseScreen(pScreen);
+#endif
+
+    pScreen->CreateScreenResources = ms->createScreenResources;
+
+    if (ms->exa)
+        xorg_exa_close(pScrn);
+
+    drmClose(ms->fd);
+    ms->fd = -1;
+
+    pScrn->vtSema = FALSE;
+    pScreen->CloseScreen = ms->CloseScreen;
+    return (*pScreen->CloseScreen) (scrnIndex, pScreen);
+}
+
+static ModeStatus
+ValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
+{
+    return MODE_OK;
+}
+
+/* vim: set sw=4 ts=8 sts=4: */