From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/hw/xfree86/fbdevhw/fbdevhw.c | 1810 +++++++++++++++--------------- 1 file changed, 905 insertions(+), 905 deletions(-) (limited to 'xorg-server/hw/xfree86/fbdevhw') diff --git a/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c b/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c index d98c40be9..dee731be4 100644 --- a/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c +++ b/xorg-server/hw/xfree86/fbdevhw/fbdevhw.c @@ -1,905 +1,905 @@ -/* all driver need this */ -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include - -#include "xf86.h" -#include "xf86_OSproc.h" - -/* pci stuff */ -#include "xf86PciInfo.h" -#include "xf86Pci.h" - -#include "xf86cmap.h" - -#include "fbdevhw.h" -#include "fbpriv.h" -#include "globals.h" -#include - -#define PAGE_MASK (~(getpagesize() - 1)) - -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, - NULL, - NULL -}; - -#include -#include -#include -#include -#include -#include -#include - -/* -------------------------------------------------------------------- */ -/* 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; - - /* 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; - - 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); - } - } - } - - 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; - - 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; - - 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; - - 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); - - 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); - - 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); - - return fPtr->fboff; -} - -Bool -fbdevHWUnmapVidmem(ScrnInfoPtr pScrn) -{ - fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); - - 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); - - 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); - - 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 */ -void -fbdevHWSave(ScrnInfoPtr pScrn) -{ - fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); - - 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); - - 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; - - 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]; - - if (!fbdevHWSetMode(pScrn, mode, TRUE)) - return MODE_BAD; - - return MODE_OK; -} - -Bool -fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags) -{ - ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; - - - 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); - - 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]; - - 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]; - - fbdevHWRestore(pScrn); -} - -void -fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags) -{ - fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); - unsigned long fbmode; - - 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; - - 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 +#endif + +#include + +#include "xf86.h" +#include "xf86_OSproc.h" + +/* pci stuff */ +#include "xf86PciInfo.h" +#include "xf86Pci.h" + +#include "xf86cmap.h" + +#include "fbdevhw.h" +#include "fbpriv.h" +#include "globals.h" +#include + +#define PAGE_MASK (~(getpagesize() - 1)) + +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, + NULL, + NULL +}; + +#include +#include +#include +#include +#include +#include +#include + +/* -------------------------------------------------------------------- */ +/* 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; + + /* 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; + + 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); + } + } + } + + 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; + + 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; + + 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; + + 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); + + 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); + + 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); + + return fPtr->fboff; +} + +Bool +fbdevHWUnmapVidmem(ScrnInfoPtr pScrn) +{ + fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); + + 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); + + 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); + + 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 */ +void +fbdevHWSave(ScrnInfoPtr pScrn) +{ + fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); + + 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); + + 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; + + 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]; + + if (!fbdevHWSetMode(pScrn, mode, TRUE)) + return MODE_BAD; + + return MODE_OK; +} + +Bool +fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + + + 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); + + 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]; + + 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]; + + fbdevHWRestore(pScrn); +} + +void +fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags) +{ + fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); + unsigned long fbmode; + + 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; + + 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; } -- cgit v1.2.3