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authormarha <marha@users.sourceforge.net>2010-05-16 20:50:58 +0000
committermarha <marha@users.sourceforge.net>2010-05-16 20:50:58 +0000
commit1c94119ae26b94a60bb2c2b33494ed43c3b8a52f (patch)
treecfe0c736c95314edac7d9f1065be9c13026ed0c1 /xorg-server/hw/xfree86/fbdevhw
parent6b29aa4559aeb6f795caee047561654bfa0a1954 (diff)
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svn merge -r588:HEAD ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/fbdevhw')
-rw-r--r--xorg-server/hw/xfree86/fbdevhw/fbdevhw.c2018
1 files changed, 1009 insertions, 1009 deletions
diff --git a/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c b/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c
index 880f0a20e..3f7391d50 100644
--- a/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c
+++ b/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c
@@ -1,1009 +1,1009 @@
-/* all driver need this */
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <string.h>
-
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-/* pci stuff */
-#include "xf86PciInfo.h"
-#include "xf86Pci.h"
-
-#include "xf86cmap.h"
-
-#include "fbdevhw.h"
-#include "fbpriv.h"
-
-#define PAGE_MASK (~(getpagesize() - 1))
-
-#include "globals.h"
-#include <X11/extensions/dpmsconst.h>
-
-#define DEBUG 0
-
-#define PAGE_MASK (~(getpagesize() - 1))
-
-#if DEBUG
-# define TRACE_ENTER(str) ErrorF("fbdevHW: " str " %d\n",pScrn->scrnIndex)
-#else
-# define TRACE_ENTER(str)
-#endif
-
-/* -------------------------------------------------------------------- */
-
-static MODULESETUPPROTO(fbdevhwSetup);
-
-static XF86ModuleVersionInfo fbdevHWVersRec =
-{
- "fbdevhw",
- MODULEVENDORSTRING,
- MODINFOSTRING1,
- MODINFOSTRING2,
- XORG_VERSION_CURRENT,
- 0, 0, 2,
- ABI_CLASS_VIDEODRV,
- ABI_VIDEODRV_VERSION,
- MOD_CLASS_NONE,
- {0,0,0,0}
-};
-
-_X_EXPORT XF86ModuleData fbdevhwModuleData = {
- &fbdevHWVersRec,
- fbdevhwSetup,
- NULL
-};
-
-static pointer
-fbdevhwSetup(pointer module, pointer opts, int *errmaj, int *errmin)
-{
- return (pointer)1;
-}
-
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-/* -------------------------------------------------------------------- */
-/* our private data, and two functions to allocate/free this */
-
-#define FBDEVHWPTRLVAL(p) (p)->privates[fbdevHWPrivateIndex].ptr
-#define FBDEVHWPTR(p) ((fbdevHWPtr)(FBDEVHWPTRLVAL(p)))
-
-static int fbdevHWPrivateIndex = -1;
-
-typedef struct {
- /* framebuffer device: filename (/dev/fb*), handle, more */
- char* device;
- int fd;
- void* fbmem;
- unsigned int fbmem_len;
- unsigned int fboff;
- char* mmio;
- unsigned int mmio_len;
-
- /* current hardware state */
- struct fb_fix_screeninfo fix;
- struct fb_var_screeninfo var;
-
- /* saved video mode */
- struct fb_var_screeninfo saved_var;
-
- /* FIXME: unused??? [geert] */
- struct fb_cmap saved_cmap;
- unsigned short *saved_red;
- unsigned short *saved_green;
- unsigned short *saved_blue;
-
- /* buildin video mode */
- DisplayModeRec buildin;
-
-} fbdevHWRec, *fbdevHWPtr;
-
-Bool
-fbdevHWGetRec(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr;
-
- if (fbdevHWPrivateIndex < 0)
- fbdevHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
-
- if (FBDEVHWPTR(pScrn) != NULL)
- return TRUE;
-
- fPtr = FBDEVHWPTRLVAL(pScrn) = xnfcalloc(sizeof(fbdevHWRec), 1);
- return TRUE;
-}
-
-void
-fbdevHWFreeRec(ScrnInfoPtr pScrn)
-{
- if (fbdevHWPrivateIndex < 0)
- return;
- if (FBDEVHWPTR(pScrn) == NULL)
- return;
- xfree(FBDEVHWPTR(pScrn));
- FBDEVHWPTRLVAL(pScrn) = NULL;
-}
-
-int
-fbdevHWGetFD(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr;
-
- fbdevHWGetRec(pScrn);
- fPtr = FBDEVHWPTR(pScrn);
-
- return fPtr->fd;
-}
-
-/* -------------------------------------------------------------------- */
-/* some helpers for printing debug informations */
-
-#if DEBUG
-static void
-print_fbdev_mode(char *txt, struct fb_var_screeninfo *var)
-{
- ErrorF( "fbdev %s mode:\t%d %d %d %d %d %d %d %d %d %d %d:%d:%d\n",
- txt,var->pixclock,
- var->xres, var->right_margin, var->hsync_len, var->left_margin,
- var->yres, var->lower_margin, var->vsync_len, var->upper_margin,
- var->bits_per_pixel,
- var->red.length, var->green.length, var->blue.length);
-}
-
-static void
-print_xfree_mode(char *txt, DisplayModePtr mode)
-{
- ErrorF( "xfree %s mode:\t%d %d %d %d %d %d %d %d %d\n",
- txt,mode->Clock,
- mode->HDisplay, mode->HSyncStart, mode->HSyncEnd, mode->HTotal,
- mode->VDisplay, mode->VSyncStart, mode->VSyncEnd, mode->VTotal);
-}
-#endif
-
-/* -------------------------------------------------------------------- */
-/* Convert timings between the XFree and the Frame Buffer Device */
-
-static void
-xfree2fbdev_fblayout(ScrnInfoPtr pScrn, struct fb_var_screeninfo *var)
-{
- var->xres_virtual = pScrn->displayWidth ? pScrn->displayWidth :
- pScrn->virtualX;
- var->yres_virtual = pScrn->virtualY;
- var->bits_per_pixel = pScrn->bitsPerPixel;
- if (pScrn->defaultVisual == TrueColor ||
- pScrn->defaultVisual == DirectColor) {
- var->red.length = pScrn->weight.red;
- var->green.length = pScrn->weight.green;
- var->blue.length = pScrn->weight.blue;
- } else {
- var->red.length = 8;
- var->green.length = 8;
- var->blue.length = 8;
- }
-}
-
-static void
-xfree2fbdev_timing(DisplayModePtr mode, struct fb_var_screeninfo *var)
-{
- var->xres = mode->HDisplay;
- var->yres = mode->VDisplay;
- if (var->xres_virtual < var->xres)
- var->xres_virtual = var->xres;
- if (var->yres_virtual < var->yres)
- var->yres_virtual = var->yres;
- var->xoffset = var->yoffset = 0;
- var->pixclock = mode->Clock ? 1000000000/mode->Clock : 0;
- var->right_margin = mode->HSyncStart-mode->HDisplay;
- var->hsync_len = mode->HSyncEnd-mode->HSyncStart;
- var->left_margin = mode->HTotal-mode->HSyncEnd;
- var->lower_margin = mode->VSyncStart-mode->VDisplay;
- var->vsync_len = mode->VSyncEnd-mode->VSyncStart;
- var->upper_margin = mode->VTotal-mode->VSyncEnd;
- var->sync = 0;
- if (mode->Flags & V_PHSYNC)
- var->sync |= FB_SYNC_HOR_HIGH_ACT;
- if (mode->Flags & V_PVSYNC)
- var->sync |= FB_SYNC_VERT_HIGH_ACT;
- if (mode->Flags & V_PCSYNC)
- var->sync |= FB_SYNC_COMP_HIGH_ACT;
- if (mode->Flags & V_BCAST)
- var->sync |= FB_SYNC_BROADCAST;
- if (mode->Flags & V_INTERLACE)
- var->vmode = FB_VMODE_INTERLACED;
- else if (mode->Flags & V_DBLSCAN)
- var->vmode = FB_VMODE_DOUBLE;
- else
- var->vmode = FB_VMODE_NONINTERLACED;
-}
-
-static Bool
-fbdev_modes_equal(struct fb_var_screeninfo *set, struct fb_var_screeninfo *req)
-{
- return (set->xres_virtual >= req->xres_virtual &&
- set->yres_virtual >= req->yres_virtual &&
- set->bits_per_pixel == req->bits_per_pixel &&
- set->red.length == req->red.length &&
- set->green.length == req->green.length &&
- set->blue.length == req->blue.length &&
- set->xres == req->xres && set->yres == req->yres &&
- set->right_margin == req->right_margin &&
- set->hsync_len == req->hsync_len &&
- set->left_margin == req->left_margin &&
- set->lower_margin == req->lower_margin &&
- set->vsync_len == req->vsync_len &&
- set->upper_margin == req->upper_margin &&
- set->sync == req->sync && set->vmode == req->vmode);
-}
-
-static void
-fbdev2xfree_timing(struct fb_var_screeninfo *var, DisplayModePtr mode)
-{
- mode->Clock = var->pixclock ? 1000000000/var->pixclock : 0;
- mode->HDisplay = var->xres;
- mode->HSyncStart = mode->HDisplay+var->right_margin;
- mode->HSyncEnd = mode->HSyncStart+var->hsync_len;
- mode->HTotal = mode->HSyncEnd+var->left_margin;
- mode->VDisplay = var->yres;
- mode->VSyncStart = mode->VDisplay+var->lower_margin;
- mode->VSyncEnd = mode->VSyncStart+var->vsync_len;
- mode->VTotal = mode->VSyncEnd+var->upper_margin;
- mode->Flags = 0;
- mode->Flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC;
- mode->Flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC;
- mode->Flags |= var->sync & FB_SYNC_COMP_HIGH_ACT ? V_PCSYNC : V_NCSYNC;
- if (var->sync & FB_SYNC_BROADCAST)
- mode->Flags |= V_BCAST;
- if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
- mode->Flags |= V_INTERLACE;
- else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
- mode->Flags |= V_DBLSCAN;
- mode->SynthClock = mode->Clock;
- mode->CrtcHDisplay = mode->HDisplay;
- mode->CrtcHSyncStart = mode->HSyncStart;
- mode->CrtcHSyncEnd = mode->HSyncEnd;
- mode->CrtcHTotal = mode->HTotal;
- mode->CrtcVDisplay = mode->VDisplay;
- mode->CrtcVSyncStart = mode->VSyncStart;
- mode->CrtcVSyncEnd = mode->VSyncEnd;
- mode->CrtcVTotal = mode->VTotal;
- mode->CrtcHAdjusted = FALSE;
- mode->CrtcVAdjusted = FALSE;
-}
-
-
-/* -------------------------------------------------------------------- */
-/* open correct framebuffer device */
-
-/**
- * Try to find the framebuffer device for a given PCI device
- */
-static int
-fbdev_open_pci(struct pci_device * pPci, char **namep)
-{
- struct fb_fix_screeninfo fix;
- char filename[256];
- int fd,i,j;
-
-
- /* There are two ways to that we can determine which fb device is
- * associated with this PCI device. The more modern way is to look in
- * the sysfs directory for the PCI device for a file named
- * "graphics/fb*"
- */
-
- for (i = 0; i < 8; i++) {
- sprintf(filename,
- "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics/fb%d",
- pPci->domain, pPci->bus, pPci->dev, pPci->func, i);
-
- fd = open(filename, O_RDONLY, 0);
- if (fd < 0) {
- sprintf(filename,
- "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics:fb%d",
- pPci->domain, pPci->bus, pPci->dev, pPci->func, i);
- fd = open(filename, O_RDONLY, 0);
- }
- if (fd >= 0) {
- close(fd);
- sprintf(filename, "/dev/fb%d", i);
-
- fd = open(filename, O_RDWR, 0);
- if (fd != -1) {
- if (ioctl(fd, FBIOGET_FSCREENINFO, (void*) & fix) != -1) {
- if (namep) {
- *namep = xnfalloc(16);
- strncpy(*namep,fix.id,16);
- }
-
- return fd;
- }
- close(fd);
- }
- }
- }
-
-
- /* The other way is to examine the resources associated with each fb
- * device and see if there is a match with the PCI device. This technique
- * has some problems on certain mixed 64-bit / 32-bit architectures.
- * There is a flaw in the fb_fix_screeninfo structure in that it only
- * returns the low 32-bits of the address of the resources associated with
- * a device. However, on a mixed architecture the base addresses of PCI
- * devices, even for 32-bit applications, may be higher than 0x0f0000000.
- */
-
- for (i = 0; i < 8; i++) {
- sprintf(filename,"/dev/fb%d",i);
- if (-1 == (fd = open(filename,O_RDWR,0))) {
- xf86DrvMsg(-1, X_WARNING,
- "open %s: %s\n", filename, strerror(errno));
- continue;
- }
- if (-1 == ioctl(fd,FBIOGET_FSCREENINFO,(void*)&fix)) {
- close(fd);
- continue;
- }
- for (j = 0; j < 6; j++) {
- const pciaddr_t res_start = pPci->regions[j].base_addr;
- const pciaddr_t res_end = res_start + pPci->regions[j].size;
-
- if ((0 != fix.smem_len &&
- (pciaddr_t) fix.smem_start >= res_start &&
- (pciaddr_t) fix.smem_start < res_end) ||
- (0 != fix.mmio_len &&
- (pciaddr_t) fix.mmio_start >= res_start &&
- (pciaddr_t) fix.mmio_start < res_end))
- break;
- }
- if (j == 6) {
- close(fd);
- continue;
- }
- if (namep) {
- *namep = xnfalloc(16);
- strncpy(*namep,fix.id,16);
- }
- return fd;
- }
-
- if (namep)
- *namep = NULL;
-
- xf86DrvMsg(-1, X_ERROR,
- "Unable to find a valid framebuffer device\n");
- return -1;
-}
-
-static int
-fbdev_open(int scrnIndex, char *dev, char** namep)
-{
- struct fb_fix_screeninfo fix;
- int fd;
-
- /* try argument (from XF86Config) first */
- if (dev) {
- fd = open(dev,O_RDWR,0);
- } else {
- /* second: environment variable */
- dev = getenv("FRAMEBUFFER");
- if ((NULL == dev) || ((fd = open(dev,O_RDWR,0)) == -1)) {
- /* last try: default device */
- dev = "/dev/fb0";
- fd = open(dev,O_RDWR,0);
- }
- }
-
- if (fd == -1) {
- xf86DrvMsg(scrnIndex, X_ERROR,
- "open %s: %s\n", dev, strerror(errno));
- return -1;
- }
-
- if (namep) {
- if (-1 == ioctl(fd,FBIOGET_FSCREENINFO,(void*)(&fix))) {
- *namep = NULL;
- xf86DrvMsg(scrnIndex, X_ERROR,
- "FBIOGET_FSCREENINFO: %s\n", strerror(errno));
- return -1;
- } else {
- *namep = xnfalloc(16);
- strncpy(*namep,fix.id,16);
- }
- }
- return fd;
-}
-
-/* -------------------------------------------------------------------- */
-
-Bool
-fbdevHWProbe(struct pci_device * pPci, char *device,char **namep)
-{
- int fd;
-
- if (pPci)
- fd = fbdev_open_pci(pPci,namep);
- else
- fd = fbdev_open(-1,device,namep);
-
- if (-1 == fd)
- return FALSE;
- close(fd);
- return TRUE;
-}
-
-Bool
-fbdevHWInit(ScrnInfoPtr pScrn, struct pci_device * pPci, char *device)
-{
- fbdevHWPtr fPtr;
-
- TRACE_ENTER("Init");
-
- fbdevHWGetRec(pScrn);
- fPtr = FBDEVHWPTR(pScrn);
-
- /* open device */
- if (pPci)
- fPtr->fd = fbdev_open_pci(pPci,NULL);
- else
- fPtr->fd = fbdev_open(pScrn->scrnIndex,device,NULL);
- if (-1 == fPtr->fd) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "Failed to open framebuffer device, consult warnings"
- " and/or errors above for possible reasons\n"
- "\t(you may have to look at the server log to see"
- " warnings)\n");
- return FALSE;
- }
-
- /* get current fb device settings */
- if (-1 == ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "ioctl FBIOGET_FSCREENINFO: %s\n",
- strerror(errno));
- return FALSE;
- }
- if (-1 == ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "ioctl FBIOGET_VSCREENINFO: %s\n",
- strerror(errno));
- return FALSE;
- }
-
- /* we can use the current settings as "buildin mode" */
- fbdev2xfree_timing(&fPtr->var, &fPtr->buildin);
- fPtr->buildin.name = "current";
- fPtr->buildin.next = &fPtr->buildin;
- fPtr->buildin.prev = &fPtr->buildin;
- fPtr->buildin.type |= M_T_BUILTIN;
-
- return TRUE;
-}
-
-char*
-fbdevHWGetName(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- return fPtr->fix.id;
-}
-
-int
-fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- if (fbbpp)
- *fbbpp = fPtr->var.bits_per_pixel;
-
- if (fPtr->fix.visual == FB_VISUAL_TRUECOLOR ||
- fPtr->fix.visual == FB_VISUAL_DIRECTCOLOR)
- return fPtr->var.red.length+fPtr->var.green.length+
- fPtr->var.blue.length;
- else
- return fPtr->var.bits_per_pixel;
-}
-
-int
-fbdevHWGetLineLength(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- if (fPtr->fix.line_length)
- return fPtr->fix.line_length;
- else
- return fPtr->var.xres_virtual*fPtr->var.bits_per_pixel/8;
-}
-
-int
-fbdevHWGetType(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- return fPtr->fix.type;
-}
-
-int
-fbdevHWGetVidmem(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- return fPtr->fix.smem_len;
-}
-
-static Bool
-fbdevHWSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool check)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- struct fb_var_screeninfo req_var = fPtr->var, set_var;
-
- TRACE_ENTER("SetMode");
-
- xfree2fbdev_fblayout(pScrn, &req_var);
- xfree2fbdev_timing(mode, &req_var);
-
-#if DEBUG
- print_xfree_mode("init", mode);
- print_fbdev_mode("init", &req_var);
-#endif
-
- set_var = req_var;
-
- if (check)
- set_var.activate = FB_ACTIVATE_TEST;
-
- if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void*)(&set_var))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
- return FALSE;
- }
-
- if (!fbdev_modes_equal(&set_var, &req_var)) {
- if (!check)
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOPUT_VSCREENINFO succeeded but modified "
- "mode\n");
-#if DEBUG
- print_fbdev_mode("returned", &set_var);
-#endif
- return FALSE;
- }
-
- if (!check)
- fPtr->var = set_var;
-
- return TRUE;
-}
-
-void
-fbdevHWSetVideoModes(ScrnInfoPtr pScrn)
-{
- char **modename;
- DisplayModePtr mode,this,last = pScrn->modes;
-
- TRACE_ENTER("VerifyModes");
- if (NULL == pScrn->display->modes)
- return;
-
- pScrn->virtualX = pScrn->display->virtualX;
- pScrn->virtualY = pScrn->display->virtualY;
-
- for (modename = pScrn->display->modes; *modename != NULL; modename++) {
- for (mode = pScrn->monitor->Modes; mode != NULL; mode = mode->next)
- if (0 == strcmp(mode->name,*modename))
- break;
- if (NULL == mode) {
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "\tmode \"%s\" not found\n", *modename);
- continue;
- }
-
- if (!fbdevHWSetMode(pScrn, mode, TRUE)) {
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "\tmode \"%s\" test failed\n", *modename);
- continue;
- }
- xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "\tmode \"%s\" ok\n", *modename);
-
- if (pScrn->virtualX < mode->HDisplay)
- pScrn->virtualX = mode->HDisplay;
- if (pScrn->virtualY < mode->VDisplay)
- pScrn->virtualY = mode->VDisplay;
-
- if (NULL == pScrn->modes) {
- this = pScrn->modes = xf86DuplicateMode(mode);
- this->next = this;
- this->prev = this;
- } else {
- this = xf86DuplicateMode(mode);
- this->next = pScrn->modes;
- this->prev = last;
- last->next = this;
- pScrn->modes->prev = this;
- }
- last = this;
- }
-}
-
-DisplayModePtr
-fbdevHWGetBuildinMode(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- return &fPtr->buildin;
-}
-
-void
-fbdevHWUseBuildinMode(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("UseBuildinMode");
- pScrn->modes = &fPtr->buildin;
- pScrn->virtualX = pScrn->display->virtualX;
- pScrn->virtualY = pScrn->display->virtualY;
- if (pScrn->virtualX < fPtr->buildin.HDisplay)
- pScrn->virtualX = fPtr->buildin.HDisplay;
- if (pScrn->virtualY < fPtr->buildin.VDisplay)
- pScrn->virtualY = fPtr->buildin.VDisplay;
-}
-
-/* -------------------------------------------------------------------- */
-
-static void
-calculateFbmem_len(fbdevHWPtr fPtr)
-{
- fPtr->fboff = (unsigned long) fPtr->fix.smem_start & ~PAGE_MASK;
- fPtr->fbmem_len = (fPtr->fboff+fPtr->fix.smem_len+~PAGE_MASK) &
- PAGE_MASK;
-}
-
-
-void*
-fbdevHWMapVidmem(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("MapVidmem");
- if (NULL == fPtr->fbmem) {
- calculateFbmem_len(fPtr);
- fPtr->fbmem = mmap(NULL, fPtr->fbmem_len, PROT_READ | PROT_WRITE,
- MAP_SHARED, fPtr->fd, 0);
- if (-1 == (long)fPtr->fbmem) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "mmap fbmem: %s\n", strerror(errno));
- fPtr->fbmem = NULL;
- } else {
- /* Perhaps we'd better add fboff to fbmem and return 0 in
- fbdevHWLinearOffset()? Of course we then need to mask
- fPtr->fbmem with PAGE_MASK in fbdevHWUnmapVidmem() as
- well. [geert] */
- }
- }
- pScrn->memPhysBase = (unsigned long)fPtr->fix.smem_start & (unsigned long)(PAGE_MASK);
- pScrn->fbOffset = (unsigned long)fPtr->fix.smem_start & (unsigned long)(~PAGE_MASK);
- return fPtr->fbmem;
-}
-
-int
-fbdevHWLinearOffset(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("LinearOffset");
- return fPtr->fboff;
-}
-
-Bool
-fbdevHWUnmapVidmem(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("UnmapVidmem");
- if (NULL != fPtr->fbmem) {
- if (-1 == munmap(fPtr->fbmem, fPtr->fbmem_len))
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "munmap fbmem: %s\n", strerror(errno));
- fPtr->fbmem = NULL;
- }
- return TRUE;
-}
-
-void*
-fbdevHWMapMMIO(ScrnInfoPtr pScrn)
-{
- unsigned int mmio_off;
-
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("MapMMIO");
- if (NULL == fPtr->mmio) {
- /* tell the kernel not to use accels to speed up console scrolling */
- fPtr->var.accel_flags = 0;
- if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
- return FALSE;
- }
- mmio_off = (unsigned long) fPtr->fix.mmio_start & ~PAGE_MASK;
- fPtr->mmio_len = (mmio_off+fPtr->fix.mmio_len+~PAGE_MASK) &
- PAGE_MASK;
- if (NULL == fPtr->fbmem)
- calculateFbmem_len(fPtr);
- fPtr->mmio = mmap(NULL, fPtr->mmio_len, PROT_READ | PROT_WRITE,
- MAP_SHARED, fPtr->fd, fPtr->fbmem_len);
- if (-1 == (long)fPtr->mmio) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "mmap mmio: %s\n", strerror(errno));
- fPtr->mmio = NULL;
- } else
- fPtr->mmio += mmio_off;
- }
- return fPtr->mmio;
-}
-
-Bool
-fbdevHWUnmapMMIO(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("UnmapMMIO");
- if (NULL != fPtr->mmio) {
- if (-1 == munmap((void *)((unsigned long)fPtr->mmio & PAGE_MASK), fPtr->mmio_len))
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "munmap mmio: %s\n", strerror(errno));
- fPtr->mmio = NULL;
- /* FIXME: restore var.accel_flags [geert] */
- }
- return TRUE;
-}
-
-/* -------------------------------------------------------------------- */
-
-Bool
-fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- pScrn->vtSema = TRUE;
-
- /* set */
- if (!fbdevHWSetMode(pScrn, mode, FALSE))
- return FALSE;
-
- /* read back */
- if (0 != ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOGET_FSCREENINFO: %s\n", strerror(errno));
- return FALSE;
- }
- if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOGET_VSCREENINFO: %s\n", strerror(errno));
- return FALSE;
- }
-
- if (pScrn->defaultVisual == TrueColor ||
- pScrn->defaultVisual == DirectColor) {
- /* XXX: This is a hack, but it should be a NOP for all the setups that
- * worked before and actually seems to fix some others...
- */
- pScrn->offset.red = fPtr->var.red.offset;
- pScrn->offset.green = fPtr->var.green.offset;
- pScrn->offset.blue = fPtr->var.blue.offset;
- pScrn->mask.red = ((1 << fPtr->var.red.length) - 1) << fPtr->var.red.offset;
- pScrn->mask.green = ((1 << fPtr->var.green.length) - 1) << fPtr->var.green.offset;
- pScrn->mask.blue = ((1 << fPtr->var.blue.length) - 1) << fPtr->var.blue.offset;
- }
-
- return TRUE;
-}
-
-/* -------------------------------------------------------------------- */
-/* video mode save/restore */
-
-/* TODO: colormap */
-void
-fbdevHWSave(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("Save");
- if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->saved_var)))
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOGET_VSCREENINFO: %s\n", strerror(errno));
-}
-
-void
-fbdevHWRestore(ScrnInfoPtr pScrn)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("Restore");
- if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->saved_var)))
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
-}
-
-/* -------------------------------------------------------------------- */
-/* callback for xf86HandleColormaps */
-
-void
-fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
- LOCO *colors, VisualPtr pVisual)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- struct fb_cmap cmap;
- unsigned short red,green,blue;
- int i;
-
- TRACE_ENTER("LoadPalette");
- cmap.len = 1;
- cmap.red = &red;
- cmap.green = &green;
- cmap.blue = &blue;
- cmap.transp = NULL;
- for (i = 0; i < numColors; i++) {
- cmap.start = indices[i];
- red = (colors[indices[i]].red << 8) |
- colors[indices[i]].red;
- green = (colors[indices[i]].green << 8) |
- colors[indices[i]].green;
- blue = (colors[indices[i]].blue << 8) |
- colors[indices[i]].blue;
- if (-1 == ioctl(fPtr->fd,FBIOPUTCMAP,(void*)&cmap))
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOPUTCMAP: %s\n", strerror(errno));
- }
-}
-
-/* -------------------------------------------------------------------- */
-/* these can be hooked directly into ScrnInfoRec */
-
-ModeStatus
-fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
-
- TRACE_ENTER("ValidMode");
-
- if (!fbdevHWSetMode(pScrn, mode, TRUE))
- return MODE_BAD;
-
- return MODE_OK;
-}
-
-Bool
-fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
-
- TRACE_ENTER("SwitchMode");
-
- if (!fbdevHWSetMode(pScrn, mode, FALSE))
- return FALSE;
-
- return TRUE;
-}
-
-void
-fbdevHWAdjustFrame(int scrnIndex, int x, int y, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
-
- TRACE_ENTER("AdjustFrame");
- if ( x < 0 || x + fPtr->var.xres > fPtr->var.xres_virtual ||
- y < 0 || y + fPtr->var.yres > fPtr->var.yres_virtual )
- return;
-
- fPtr->var.xoffset = x;
- fPtr->var.yoffset = y;
- if (-1 == ioctl(fPtr->fd,FBIOPAN_DISPLAY,(void*)&fPtr->var))
- xf86DrvMsgVerb(scrnIndex, X_WARNING, 5,
- "FBIOPAN_DISPLAY: %s\n", strerror(errno));
-}
-
-Bool
-fbdevHWEnterVT(int scrnIndex, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
-
- TRACE_ENTER("EnterVT");
- if (!fbdevHWModeInit(pScrn, pScrn->currentMode))
- return FALSE;
- fbdevHWAdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
- return TRUE;
-}
-
-void
-fbdevHWLeaveVT(int scrnIndex, int flags)
-{
- ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
-
- TRACE_ENTER("LeaveVT");
- fbdevHWRestore(pScrn);
-}
-
-void
-fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags)
-{
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- unsigned long fbmode;
-
- TRACE_ENTER("DPMSSet");
- if (!pScrn->vtSema)
- return;
-
- switch (mode) {
- case DPMSModeOn:
- fbmode = 0;
- break;
- case DPMSModeStandby:
- fbmode = 2;
- break;
- case DPMSModeSuspend:
- fbmode = 3;
- break;
- case DPMSModeOff:
- fbmode = 4;
- break;
- default:
- return;
- }
-
- if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)fbmode))
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOBLANK: %s\n", strerror(errno));
-}
-
-Bool
-fbdevHWSaveScreen(ScreenPtr pScreen, int mode)
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
- unsigned long unblank;
-
- TRACE_ENTER("HWSaveScreen");
- if (!pScrn->vtSema)
- return TRUE;
-
- unblank = xf86IsUnblank(mode);
-
- if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)(1-unblank))) {
- xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
- "FBIOBLANK: %s\n", strerror(errno));
- return FALSE;
- }
-
- return TRUE;
-}
-
-xf86SwitchModeProc *
-fbdevHWSwitchModeWeak(void) { return fbdevHWSwitchMode; }
-
-xf86AdjustFrameProc *
-fbdevHWAdjustFrameWeak(void) { return fbdevHWAdjustFrame; }
-
-xf86EnterVTProc *
-fbdevHWEnterVTWeak(void) { return fbdevHWEnterVT; }
-
-xf86LeaveVTProc *
-fbdevHWLeaveVTWeak(void) { return fbdevHWLeaveVT; }
-
-xf86ValidModeProc *
-fbdevHWValidModeWeak(void) { return fbdevHWValidMode; }
-
-xf86DPMSSetProc *
-fbdevHWDPMSSetWeak(void) { return fbdevHWDPMSSet; }
-
-xf86LoadPaletteProc *
-fbdevHWLoadPaletteWeak(void) { return fbdevHWLoadPalette; }
-
-SaveScreenProcPtr
-fbdevHWSaveScreenWeak(void) { return fbdevHWSaveScreen; }
+/* all driver need this */
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+
+/* pci stuff */
+#include "xf86PciInfo.h"
+#include "xf86Pci.h"
+
+#include "xf86cmap.h"
+
+#include "fbdevhw.h"
+#include "fbpriv.h"
+
+#define PAGE_MASK (~(getpagesize() - 1))
+
+#include "globals.h"
+#include <X11/extensions/dpmsconst.h>
+
+#define DEBUG 0
+
+#define PAGE_MASK (~(getpagesize() - 1))
+
+#if DEBUG
+# define TRACE_ENTER(str) ErrorF("fbdevHW: " str " %d\n",pScrn->scrnIndex)
+#else
+# define TRACE_ENTER(str)
+#endif
+
+/* -------------------------------------------------------------------- */
+
+static MODULESETUPPROTO(fbdevhwSetup);
+
+static XF86ModuleVersionInfo fbdevHWVersRec =
+{
+ "fbdevhw",
+ MODULEVENDORSTRING,
+ MODINFOSTRING1,
+ MODINFOSTRING2,
+ XORG_VERSION_CURRENT,
+ 0, 0, 2,
+ ABI_CLASS_VIDEODRV,
+ ABI_VIDEODRV_VERSION,
+ MOD_CLASS_NONE,
+ {0,0,0,0}
+};
+
+_X_EXPORT XF86ModuleData fbdevhwModuleData = {
+ &fbdevHWVersRec,
+ fbdevhwSetup,
+ NULL
+};
+
+static pointer
+fbdevhwSetup(pointer module, pointer opts, int *errmaj, int *errmin)
+{
+ return (pointer)1;
+}
+
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+/* -------------------------------------------------------------------- */
+/* our private data, and two functions to allocate/free this */
+
+#define FBDEVHWPTRLVAL(p) (p)->privates[fbdevHWPrivateIndex].ptr
+#define FBDEVHWPTR(p) ((fbdevHWPtr)(FBDEVHWPTRLVAL(p)))
+
+static int fbdevHWPrivateIndex = -1;
+
+typedef struct {
+ /* framebuffer device: filename (/dev/fb*), handle, more */
+ char* device;
+ int fd;
+ void* fbmem;
+ unsigned int fbmem_len;
+ unsigned int fboff;
+ char* mmio;
+ unsigned int mmio_len;
+
+ /* current hardware state */
+ struct fb_fix_screeninfo fix;
+ struct fb_var_screeninfo var;
+
+ /* saved video mode */
+ struct fb_var_screeninfo saved_var;
+
+ /* FIXME: unused??? [geert] */
+ struct fb_cmap saved_cmap;
+ unsigned short *saved_red;
+ unsigned short *saved_green;
+ unsigned short *saved_blue;
+
+ /* buildin video mode */
+ DisplayModeRec buildin;
+
+} fbdevHWRec, *fbdevHWPtr;
+
+Bool
+fbdevHWGetRec(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr;
+
+ if (fbdevHWPrivateIndex < 0)
+ fbdevHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex();
+
+ if (FBDEVHWPTR(pScrn) != NULL)
+ return TRUE;
+
+ fPtr = FBDEVHWPTRLVAL(pScrn) = xnfcalloc(sizeof(fbdevHWRec), 1);
+ return TRUE;
+}
+
+void
+fbdevHWFreeRec(ScrnInfoPtr pScrn)
+{
+ if (fbdevHWPrivateIndex < 0)
+ return;
+ if (FBDEVHWPTR(pScrn) == NULL)
+ return;
+ free(FBDEVHWPTR(pScrn));
+ FBDEVHWPTRLVAL(pScrn) = NULL;
+}
+
+int
+fbdevHWGetFD(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr;
+
+ fbdevHWGetRec(pScrn);
+ fPtr = FBDEVHWPTR(pScrn);
+
+ return fPtr->fd;
+}
+
+/* -------------------------------------------------------------------- */
+/* some helpers for printing debug informations */
+
+#if DEBUG
+static void
+print_fbdev_mode(char *txt, struct fb_var_screeninfo *var)
+{
+ ErrorF( "fbdev %s mode:\t%d %d %d %d %d %d %d %d %d %d %d:%d:%d\n",
+ txt,var->pixclock,
+ var->xres, var->right_margin, var->hsync_len, var->left_margin,
+ var->yres, var->lower_margin, var->vsync_len, var->upper_margin,
+ var->bits_per_pixel,
+ var->red.length, var->green.length, var->blue.length);
+}
+
+static void
+print_xfree_mode(char *txt, DisplayModePtr mode)
+{
+ ErrorF( "xfree %s mode:\t%d %d %d %d %d %d %d %d %d\n",
+ txt,mode->Clock,
+ mode->HDisplay, mode->HSyncStart, mode->HSyncEnd, mode->HTotal,
+ mode->VDisplay, mode->VSyncStart, mode->VSyncEnd, mode->VTotal);
+}
+#endif
+
+/* -------------------------------------------------------------------- */
+/* Convert timings between the XFree and the Frame Buffer Device */
+
+static void
+xfree2fbdev_fblayout(ScrnInfoPtr pScrn, struct fb_var_screeninfo *var)
+{
+ var->xres_virtual = pScrn->displayWidth ? pScrn->displayWidth :
+ pScrn->virtualX;
+ var->yres_virtual = pScrn->virtualY;
+ var->bits_per_pixel = pScrn->bitsPerPixel;
+ if (pScrn->defaultVisual == TrueColor ||
+ pScrn->defaultVisual == DirectColor) {
+ var->red.length = pScrn->weight.red;
+ var->green.length = pScrn->weight.green;
+ var->blue.length = pScrn->weight.blue;
+ } else {
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ }
+}
+
+static void
+xfree2fbdev_timing(DisplayModePtr mode, struct fb_var_screeninfo *var)
+{
+ var->xres = mode->HDisplay;
+ var->yres = mode->VDisplay;
+ if (var->xres_virtual < var->xres)
+ var->xres_virtual = var->xres;
+ if (var->yres_virtual < var->yres)
+ var->yres_virtual = var->yres;
+ var->xoffset = var->yoffset = 0;
+ var->pixclock = mode->Clock ? 1000000000/mode->Clock : 0;
+ var->right_margin = mode->HSyncStart-mode->HDisplay;
+ var->hsync_len = mode->HSyncEnd-mode->HSyncStart;
+ var->left_margin = mode->HTotal-mode->HSyncEnd;
+ var->lower_margin = mode->VSyncStart-mode->VDisplay;
+ var->vsync_len = mode->VSyncEnd-mode->VSyncStart;
+ var->upper_margin = mode->VTotal-mode->VSyncEnd;
+ var->sync = 0;
+ if (mode->Flags & V_PHSYNC)
+ var->sync |= FB_SYNC_HOR_HIGH_ACT;
+ if (mode->Flags & V_PVSYNC)
+ var->sync |= FB_SYNC_VERT_HIGH_ACT;
+ if (mode->Flags & V_PCSYNC)
+ var->sync |= FB_SYNC_COMP_HIGH_ACT;
+ if (mode->Flags & V_BCAST)
+ var->sync |= FB_SYNC_BROADCAST;
+ if (mode->Flags & V_INTERLACE)
+ var->vmode = FB_VMODE_INTERLACED;
+ else if (mode->Flags & V_DBLSCAN)
+ var->vmode = FB_VMODE_DOUBLE;
+ else
+ var->vmode = FB_VMODE_NONINTERLACED;
+}
+
+static Bool
+fbdev_modes_equal(struct fb_var_screeninfo *set, struct fb_var_screeninfo *req)
+{
+ return (set->xres_virtual >= req->xres_virtual &&
+ set->yres_virtual >= req->yres_virtual &&
+ set->bits_per_pixel == req->bits_per_pixel &&
+ set->red.length == req->red.length &&
+ set->green.length == req->green.length &&
+ set->blue.length == req->blue.length &&
+ set->xres == req->xres && set->yres == req->yres &&
+ set->right_margin == req->right_margin &&
+ set->hsync_len == req->hsync_len &&
+ set->left_margin == req->left_margin &&
+ set->lower_margin == req->lower_margin &&
+ set->vsync_len == req->vsync_len &&
+ set->upper_margin == req->upper_margin &&
+ set->sync == req->sync && set->vmode == req->vmode);
+}
+
+static void
+fbdev2xfree_timing(struct fb_var_screeninfo *var, DisplayModePtr mode)
+{
+ mode->Clock = var->pixclock ? 1000000000/var->pixclock : 0;
+ mode->HDisplay = var->xres;
+ mode->HSyncStart = mode->HDisplay+var->right_margin;
+ mode->HSyncEnd = mode->HSyncStart+var->hsync_len;
+ mode->HTotal = mode->HSyncEnd+var->left_margin;
+ mode->VDisplay = var->yres;
+ mode->VSyncStart = mode->VDisplay+var->lower_margin;
+ mode->VSyncEnd = mode->VSyncStart+var->vsync_len;
+ mode->VTotal = mode->VSyncEnd+var->upper_margin;
+ mode->Flags = 0;
+ mode->Flags |= var->sync & FB_SYNC_HOR_HIGH_ACT ? V_PHSYNC : V_NHSYNC;
+ mode->Flags |= var->sync & FB_SYNC_VERT_HIGH_ACT ? V_PVSYNC : V_NVSYNC;
+ mode->Flags |= var->sync & FB_SYNC_COMP_HIGH_ACT ? V_PCSYNC : V_NCSYNC;
+ if (var->sync & FB_SYNC_BROADCAST)
+ mode->Flags |= V_BCAST;
+ if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
+ mode->Flags |= V_INTERLACE;
+ else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
+ mode->Flags |= V_DBLSCAN;
+ mode->SynthClock = mode->Clock;
+ mode->CrtcHDisplay = mode->HDisplay;
+ mode->CrtcHSyncStart = mode->HSyncStart;
+ mode->CrtcHSyncEnd = mode->HSyncEnd;
+ mode->CrtcHTotal = mode->HTotal;
+ mode->CrtcVDisplay = mode->VDisplay;
+ mode->CrtcVSyncStart = mode->VSyncStart;
+ mode->CrtcVSyncEnd = mode->VSyncEnd;
+ mode->CrtcVTotal = mode->VTotal;
+ mode->CrtcHAdjusted = FALSE;
+ mode->CrtcVAdjusted = FALSE;
+}
+
+
+/* -------------------------------------------------------------------- */
+/* open correct framebuffer device */
+
+/**
+ * Try to find the framebuffer device for a given PCI device
+ */
+static int
+fbdev_open_pci(struct pci_device * pPci, char **namep)
+{
+ struct fb_fix_screeninfo fix;
+ char filename[256];
+ int fd,i,j;
+
+
+ /* There are two ways to that we can determine which fb device is
+ * associated with this PCI device. The more modern way is to look in
+ * the sysfs directory for the PCI device for a file named
+ * "graphics/fb*"
+ */
+
+ for (i = 0; i < 8; i++) {
+ sprintf(filename,
+ "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics/fb%d",
+ pPci->domain, pPci->bus, pPci->dev, pPci->func, i);
+
+ fd = open(filename, O_RDONLY, 0);
+ if (fd < 0) {
+ sprintf(filename,
+ "/sys/bus/pci/devices/%04x:%02x:%02x.%d/graphics:fb%d",
+ pPci->domain, pPci->bus, pPci->dev, pPci->func, i);
+ fd = open(filename, O_RDONLY, 0);
+ }
+ if (fd >= 0) {
+ close(fd);
+ sprintf(filename, "/dev/fb%d", i);
+
+ fd = open(filename, O_RDWR, 0);
+ if (fd != -1) {
+ if (ioctl(fd, FBIOGET_FSCREENINFO, (void*) & fix) != -1) {
+ if (namep) {
+ *namep = xnfalloc(16);
+ strncpy(*namep,fix.id,16);
+ }
+
+ return fd;
+ }
+ close(fd);
+ }
+ }
+ }
+
+
+ /* The other way is to examine the resources associated with each fb
+ * device and see if there is a match with the PCI device. This technique
+ * has some problems on certain mixed 64-bit / 32-bit architectures.
+ * There is a flaw in the fb_fix_screeninfo structure in that it only
+ * returns the low 32-bits of the address of the resources associated with
+ * a device. However, on a mixed architecture the base addresses of PCI
+ * devices, even for 32-bit applications, may be higher than 0x0f0000000.
+ */
+
+ for (i = 0; i < 8; i++) {
+ sprintf(filename,"/dev/fb%d",i);
+ if (-1 == (fd = open(filename,O_RDWR,0))) {
+ xf86DrvMsg(-1, X_WARNING,
+ "open %s: %s\n", filename, strerror(errno));
+ continue;
+ }
+ if (-1 == ioctl(fd,FBIOGET_FSCREENINFO,(void*)&fix)) {
+ close(fd);
+ continue;
+ }
+ for (j = 0; j < 6; j++) {
+ const pciaddr_t res_start = pPci->regions[j].base_addr;
+ const pciaddr_t res_end = res_start + pPci->regions[j].size;
+
+ if ((0 != fix.smem_len &&
+ (pciaddr_t) fix.smem_start >= res_start &&
+ (pciaddr_t) fix.smem_start < res_end) ||
+ (0 != fix.mmio_len &&
+ (pciaddr_t) fix.mmio_start >= res_start &&
+ (pciaddr_t) fix.mmio_start < res_end))
+ break;
+ }
+ if (j == 6) {
+ close(fd);
+ continue;
+ }
+ if (namep) {
+ *namep = xnfalloc(16);
+ strncpy(*namep,fix.id,16);
+ }
+ return fd;
+ }
+
+ if (namep)
+ *namep = NULL;
+
+ xf86DrvMsg(-1, X_ERROR,
+ "Unable to find a valid framebuffer device\n");
+ return -1;
+}
+
+static int
+fbdev_open(int scrnIndex, char *dev, char** namep)
+{
+ struct fb_fix_screeninfo fix;
+ int fd;
+
+ /* try argument (from XF86Config) first */
+ if (dev) {
+ fd = open(dev,O_RDWR,0);
+ } else {
+ /* second: environment variable */
+ dev = getenv("FRAMEBUFFER");
+ if ((NULL == dev) || ((fd = open(dev,O_RDWR,0)) == -1)) {
+ /* last try: default device */
+ dev = "/dev/fb0";
+ fd = open(dev,O_RDWR,0);
+ }
+ }
+
+ if (fd == -1) {
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "open %s: %s\n", dev, strerror(errno));
+ return -1;
+ }
+
+ if (namep) {
+ if (-1 == ioctl(fd,FBIOGET_FSCREENINFO,(void*)(&fix))) {
+ *namep = NULL;
+ xf86DrvMsg(scrnIndex, X_ERROR,
+ "FBIOGET_FSCREENINFO: %s\n", strerror(errno));
+ return -1;
+ } else {
+ *namep = xnfalloc(16);
+ strncpy(*namep,fix.id,16);
+ }
+ }
+ return fd;
+}
+
+/* -------------------------------------------------------------------- */
+
+Bool
+fbdevHWProbe(struct pci_device * pPci, char *device,char **namep)
+{
+ int fd;
+
+ if (pPci)
+ fd = fbdev_open_pci(pPci,namep);
+ else
+ fd = fbdev_open(-1,device,namep);
+
+ if (-1 == fd)
+ return FALSE;
+ close(fd);
+ return TRUE;
+}
+
+Bool
+fbdevHWInit(ScrnInfoPtr pScrn, struct pci_device * pPci, char *device)
+{
+ fbdevHWPtr fPtr;
+
+ TRACE_ENTER("Init");
+
+ fbdevHWGetRec(pScrn);
+ fPtr = FBDEVHWPTR(pScrn);
+
+ /* open device */
+ if (pPci)
+ fPtr->fd = fbdev_open_pci(pPci,NULL);
+ else
+ fPtr->fd = fbdev_open(pScrn->scrnIndex,device,NULL);
+ if (-1 == fPtr->fd) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Failed to open framebuffer device, consult warnings"
+ " and/or errors above for possible reasons\n"
+ "\t(you may have to look at the server log to see"
+ " warnings)\n");
+ return FALSE;
+ }
+
+ /* get current fb device settings */
+ if (-1 == ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "ioctl FBIOGET_FSCREENINFO: %s\n",
+ strerror(errno));
+ return FALSE;
+ }
+ if (-1 == ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "ioctl FBIOGET_VSCREENINFO: %s\n",
+ strerror(errno));
+ return FALSE;
+ }
+
+ /* we can use the current settings as "buildin mode" */
+ fbdev2xfree_timing(&fPtr->var, &fPtr->buildin);
+ fPtr->buildin.name = "current";
+ fPtr->buildin.next = &fPtr->buildin;
+ fPtr->buildin.prev = &fPtr->buildin;
+ fPtr->buildin.type |= M_T_BUILTIN;
+
+ return TRUE;
+}
+
+char*
+fbdevHWGetName(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ return fPtr->fix.id;
+}
+
+int
+fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ if (fbbpp)
+ *fbbpp = fPtr->var.bits_per_pixel;
+
+ if (fPtr->fix.visual == FB_VISUAL_TRUECOLOR ||
+ fPtr->fix.visual == FB_VISUAL_DIRECTCOLOR)
+ return fPtr->var.red.length+fPtr->var.green.length+
+ fPtr->var.blue.length;
+ else
+ return fPtr->var.bits_per_pixel;
+}
+
+int
+fbdevHWGetLineLength(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ if (fPtr->fix.line_length)
+ return fPtr->fix.line_length;
+ else
+ return fPtr->var.xres_virtual*fPtr->var.bits_per_pixel/8;
+}
+
+int
+fbdevHWGetType(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ return fPtr->fix.type;
+}
+
+int
+fbdevHWGetVidmem(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ return fPtr->fix.smem_len;
+}
+
+static Bool
+fbdevHWSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode, Bool check)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ struct fb_var_screeninfo req_var = fPtr->var, set_var;
+
+ TRACE_ENTER("SetMode");
+
+ xfree2fbdev_fblayout(pScrn, &req_var);
+ xfree2fbdev_timing(mode, &req_var);
+
+#if DEBUG
+ print_xfree_mode("init", mode);
+ print_fbdev_mode("init", &req_var);
+#endif
+
+ set_var = req_var;
+
+ if (check)
+ set_var.activate = FB_ACTIVATE_TEST;
+
+ if (0 != ioctl(fPtr->fd, FBIOPUT_VSCREENINFO, (void*)(&set_var))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
+ return FALSE;
+ }
+
+ if (!fbdev_modes_equal(&set_var, &req_var)) {
+ if (!check)
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOPUT_VSCREENINFO succeeded but modified "
+ "mode\n");
+#if DEBUG
+ print_fbdev_mode("returned", &set_var);
+#endif
+ return FALSE;
+ }
+
+ if (!check)
+ fPtr->var = set_var;
+
+ return TRUE;
+}
+
+void
+fbdevHWSetVideoModes(ScrnInfoPtr pScrn)
+{
+ char **modename;
+ DisplayModePtr mode,this,last = pScrn->modes;
+
+ TRACE_ENTER("VerifyModes");
+ if (NULL == pScrn->display->modes)
+ return;
+
+ pScrn->virtualX = pScrn->display->virtualX;
+ pScrn->virtualY = pScrn->display->virtualY;
+
+ for (modename = pScrn->display->modes; *modename != NULL; modename++) {
+ for (mode = pScrn->monitor->Modes; mode != NULL; mode = mode->next)
+ if (0 == strcmp(mode->name,*modename))
+ break;
+ if (NULL == mode) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "\tmode \"%s\" not found\n", *modename);
+ continue;
+ }
+
+ if (!fbdevHWSetMode(pScrn, mode, TRUE)) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "\tmode \"%s\" test failed\n", *modename);
+ continue;
+ }
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "\tmode \"%s\" ok\n", *modename);
+
+ if (pScrn->virtualX < mode->HDisplay)
+ pScrn->virtualX = mode->HDisplay;
+ if (pScrn->virtualY < mode->VDisplay)
+ pScrn->virtualY = mode->VDisplay;
+
+ if (NULL == pScrn->modes) {
+ this = pScrn->modes = xf86DuplicateMode(mode);
+ this->next = this;
+ this->prev = this;
+ } else {
+ this = xf86DuplicateMode(mode);
+ this->next = pScrn->modes;
+ this->prev = last;
+ last->next = this;
+ pScrn->modes->prev = this;
+ }
+ last = this;
+ }
+}
+
+DisplayModePtr
+fbdevHWGetBuildinMode(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ return &fPtr->buildin;
+}
+
+void
+fbdevHWUseBuildinMode(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("UseBuildinMode");
+ pScrn->modes = &fPtr->buildin;
+ pScrn->virtualX = pScrn->display->virtualX;
+ pScrn->virtualY = pScrn->display->virtualY;
+ if (pScrn->virtualX < fPtr->buildin.HDisplay)
+ pScrn->virtualX = fPtr->buildin.HDisplay;
+ if (pScrn->virtualY < fPtr->buildin.VDisplay)
+ pScrn->virtualY = fPtr->buildin.VDisplay;
+}
+
+/* -------------------------------------------------------------------- */
+
+static void
+calculateFbmem_len(fbdevHWPtr fPtr)
+{
+ fPtr->fboff = (unsigned long) fPtr->fix.smem_start & ~PAGE_MASK;
+ fPtr->fbmem_len = (fPtr->fboff+fPtr->fix.smem_len+~PAGE_MASK) &
+ PAGE_MASK;
+}
+
+
+void*
+fbdevHWMapVidmem(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("MapVidmem");
+ if (NULL == fPtr->fbmem) {
+ calculateFbmem_len(fPtr);
+ fPtr->fbmem = mmap(NULL, fPtr->fbmem_len, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fPtr->fd, 0);
+ if (-1 == (long)fPtr->fbmem) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "mmap fbmem: %s\n", strerror(errno));
+ fPtr->fbmem = NULL;
+ } else {
+ /* Perhaps we'd better add fboff to fbmem and return 0 in
+ fbdevHWLinearOffset()? Of course we then need to mask
+ fPtr->fbmem with PAGE_MASK in fbdevHWUnmapVidmem() as
+ well. [geert] */
+ }
+ }
+ pScrn->memPhysBase = (unsigned long)fPtr->fix.smem_start & (unsigned long)(PAGE_MASK);
+ pScrn->fbOffset = (unsigned long)fPtr->fix.smem_start & (unsigned long)(~PAGE_MASK);
+ return fPtr->fbmem;
+}
+
+int
+fbdevHWLinearOffset(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("LinearOffset");
+ return fPtr->fboff;
+}
+
+Bool
+fbdevHWUnmapVidmem(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("UnmapVidmem");
+ if (NULL != fPtr->fbmem) {
+ if (-1 == munmap(fPtr->fbmem, fPtr->fbmem_len))
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "munmap fbmem: %s\n", strerror(errno));
+ fPtr->fbmem = NULL;
+ }
+ return TRUE;
+}
+
+void*
+fbdevHWMapMMIO(ScrnInfoPtr pScrn)
+{
+ unsigned int mmio_off;
+
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("MapMMIO");
+ if (NULL == fPtr->mmio) {
+ /* tell the kernel not to use accels to speed up console scrolling */
+ fPtr->var.accel_flags = 0;
+ if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
+ return FALSE;
+ }
+ mmio_off = (unsigned long) fPtr->fix.mmio_start & ~PAGE_MASK;
+ fPtr->mmio_len = (mmio_off+fPtr->fix.mmio_len+~PAGE_MASK) &
+ PAGE_MASK;
+ if (NULL == fPtr->fbmem)
+ calculateFbmem_len(fPtr);
+ fPtr->mmio = mmap(NULL, fPtr->mmio_len, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fPtr->fd, fPtr->fbmem_len);
+ if (-1 == (long)fPtr->mmio) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "mmap mmio: %s\n", strerror(errno));
+ fPtr->mmio = NULL;
+ } else
+ fPtr->mmio += mmio_off;
+ }
+ return fPtr->mmio;
+}
+
+Bool
+fbdevHWUnmapMMIO(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("UnmapMMIO");
+ if (NULL != fPtr->mmio) {
+ if (-1 == munmap((void *)((unsigned long)fPtr->mmio & PAGE_MASK), fPtr->mmio_len))
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "munmap mmio: %s\n", strerror(errno));
+ fPtr->mmio = NULL;
+ /* FIXME: restore var.accel_flags [geert] */
+ }
+ return TRUE;
+}
+
+/* -------------------------------------------------------------------- */
+
+Bool
+fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ pScrn->vtSema = TRUE;
+
+ /* set */
+ if (!fbdevHWSetMode(pScrn, mode, FALSE))
+ return FALSE;
+
+ /* read back */
+ if (0 != ioctl(fPtr->fd,FBIOGET_FSCREENINFO,(void*)(&fPtr->fix))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOGET_FSCREENINFO: %s\n", strerror(errno));
+ return FALSE;
+ }
+ if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->var))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOGET_VSCREENINFO: %s\n", strerror(errno));
+ return FALSE;
+ }
+
+ if (pScrn->defaultVisual == TrueColor ||
+ pScrn->defaultVisual == DirectColor) {
+ /* XXX: This is a hack, but it should be a NOP for all the setups that
+ * worked before and actually seems to fix some others...
+ */
+ pScrn->offset.red = fPtr->var.red.offset;
+ pScrn->offset.green = fPtr->var.green.offset;
+ pScrn->offset.blue = fPtr->var.blue.offset;
+ pScrn->mask.red = ((1 << fPtr->var.red.length) - 1) << fPtr->var.red.offset;
+ pScrn->mask.green = ((1 << fPtr->var.green.length) - 1) << fPtr->var.green.offset;
+ pScrn->mask.blue = ((1 << fPtr->var.blue.length) - 1) << fPtr->var.blue.offset;
+ }
+
+ return TRUE;
+}
+
+/* -------------------------------------------------------------------- */
+/* video mode save/restore */
+
+/* TODO: colormap */
+void
+fbdevHWSave(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("Save");
+ if (0 != ioctl(fPtr->fd,FBIOGET_VSCREENINFO,(void*)(&fPtr->saved_var)))
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOGET_VSCREENINFO: %s\n", strerror(errno));
+}
+
+void
+fbdevHWRestore(ScrnInfoPtr pScrn)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("Restore");
+ if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->saved_var)))
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOPUT_VSCREENINFO: %s\n", strerror(errno));
+}
+
+/* -------------------------------------------------------------------- */
+/* callback for xf86HandleColormaps */
+
+void
+fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
+ LOCO *colors, VisualPtr pVisual)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ struct fb_cmap cmap;
+ unsigned short red,green,blue;
+ int i;
+
+ TRACE_ENTER("LoadPalette");
+ cmap.len = 1;
+ cmap.red = &red;
+ cmap.green = &green;
+ cmap.blue = &blue;
+ cmap.transp = NULL;
+ for (i = 0; i < numColors; i++) {
+ cmap.start = indices[i];
+ red = (colors[indices[i]].red << 8) |
+ colors[indices[i]].red;
+ green = (colors[indices[i]].green << 8) |
+ colors[indices[i]].green;
+ blue = (colors[indices[i]].blue << 8) |
+ colors[indices[i]].blue;
+ if (-1 == ioctl(fPtr->fd,FBIOPUTCMAP,(void*)&cmap))
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOPUTCMAP: %s\n", strerror(errno));
+ }
+}
+
+/* -------------------------------------------------------------------- */
+/* these can be hooked directly into ScrnInfoRec */
+
+ModeStatus
+fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+ TRACE_ENTER("ValidMode");
+
+ if (!fbdevHWSetMode(pScrn, mode, TRUE))
+ return MODE_BAD;
+
+ return MODE_OK;
+}
+
+Bool
+fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+ TRACE_ENTER("SwitchMode");
+
+ if (!fbdevHWSetMode(pScrn, mode, FALSE))
+ return FALSE;
+
+ return TRUE;
+}
+
+void
+fbdevHWAdjustFrame(int scrnIndex, int x, int y, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+
+ TRACE_ENTER("AdjustFrame");
+ if ( x < 0 || x + fPtr->var.xres > fPtr->var.xres_virtual ||
+ y < 0 || y + fPtr->var.yres > fPtr->var.yres_virtual )
+ return;
+
+ fPtr->var.xoffset = x;
+ fPtr->var.yoffset = y;
+ if (-1 == ioctl(fPtr->fd,FBIOPAN_DISPLAY,(void*)&fPtr->var))
+ xf86DrvMsgVerb(scrnIndex, X_WARNING, 5,
+ "FBIOPAN_DISPLAY: %s\n", strerror(errno));
+}
+
+Bool
+fbdevHWEnterVT(int scrnIndex, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+ TRACE_ENTER("EnterVT");
+ if (!fbdevHWModeInit(pScrn, pScrn->currentMode))
+ return FALSE;
+ fbdevHWAdjustFrame(scrnIndex, pScrn->frameX0, pScrn->frameY0, 0);
+ return TRUE;
+}
+
+void
+fbdevHWLeaveVT(int scrnIndex, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[scrnIndex];
+
+ TRACE_ENTER("LeaveVT");
+ fbdevHWRestore(pScrn);
+}
+
+void
+fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags)
+{
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ unsigned long fbmode;
+
+ TRACE_ENTER("DPMSSet");
+ if (!pScrn->vtSema)
+ return;
+
+ switch (mode) {
+ case DPMSModeOn:
+ fbmode = 0;
+ break;
+ case DPMSModeStandby:
+ fbmode = 2;
+ break;
+ case DPMSModeSuspend:
+ fbmode = 3;
+ break;
+ case DPMSModeOff:
+ fbmode = 4;
+ break;
+ default:
+ return;
+ }
+
+ if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)fbmode))
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOBLANK: %s\n", strerror(errno));
+}
+
+Bool
+fbdevHWSaveScreen(ScreenPtr pScreen, int mode)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ fbdevHWPtr fPtr = FBDEVHWPTR(pScrn);
+ unsigned long unblank;
+
+ TRACE_ENTER("HWSaveScreen");
+ if (!pScrn->vtSema)
+ return TRUE;
+
+ unblank = xf86IsUnblank(mode);
+
+ if (-1 == ioctl(fPtr->fd, FBIOBLANK, (void *)(1-unblank))) {
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "FBIOBLANK: %s\n", strerror(errno));
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+xf86SwitchModeProc *
+fbdevHWSwitchModeWeak(void) { return fbdevHWSwitchMode; }
+
+xf86AdjustFrameProc *
+fbdevHWAdjustFrameWeak(void) { return fbdevHWAdjustFrame; }
+
+xf86EnterVTProc *
+fbdevHWEnterVTWeak(void) { return fbdevHWEnterVT; }
+
+xf86LeaveVTProc *
+fbdevHWLeaveVTWeak(void) { return fbdevHWLeaveVT; }
+
+xf86ValidModeProc *
+fbdevHWValidModeWeak(void) { return fbdevHWValidMode; }
+
+xf86DPMSSetProc *
+fbdevHWDPMSSetWeak(void) { return fbdevHWDPMSSet; }
+
+xf86LoadPaletteProc *
+fbdevHWLoadPaletteWeak(void) { return fbdevHWLoadPalette; }
+
+SaveScreenProcPtr
+fbdevHWSaveScreenWeak(void) { return fbdevHWSaveScreen; }