diff options
Diffstat (limited to 'hw/xfree86/fbdevhw')
| -rw-r--r-- | hw/xfree86/fbdevhw/README | 16 | ||||
| -rw-r--r-- | hw/xfree86/fbdevhw/fbdevhw.c | 870 | ||||
| -rw-r--r-- | hw/xfree86/fbdevhw/fbdevhw.h | 52 | ||||
| -rw-r--r-- | hw/xfree86/fbdevhw/fbdevhw.man.pre | 21 | ||||
| -rw-r--r-- | hw/xfree86/fbdevhw/fbdevhwstub.c | 170 | ||||
| -rw-r--r-- | hw/xfree86/fbdevhw/fbpriv.h | 262 |
6 files changed, 1391 insertions, 0 deletions
diff --git a/hw/xfree86/fbdevhw/README b/hw/xfree86/fbdevhw/README new file mode 100644 index 000000000..27cc337d4 --- /dev/null +++ b/hw/xfree86/fbdevhw/README @@ -0,0 +1,16 @@ + +This is a submodule to access linux framebuffer devices. +It is supported to work as helper module (like vgahw) +for the chipset drivers. There are functions for +saving/restoring/setting video modes, set palette entries, +and a few more helper functions. Some of them can be +hooked directly into ScrnInfoRec. + +In ../drivers/fbdev is a "chipset" driver. It is a simple, +non-accelerated and hardware-independent driver which works +on top of this fbdevhw submodule. + + Gerd + +-- +Gerd Knorr <kraxel@goldbach.in-berlin.de> diff --git a/hw/xfree86/fbdevhw/fbdevhw.c b/hw/xfree86/fbdevhw/fbdevhw.c new file mode 100644 index 000000000..a90fff34c --- /dev/null +++ b/hw/xfree86/fbdevhw/fbdevhw.c @@ -0,0 +1,870 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/fbdevhw/fbdevhw.c,v 1.30 2002/11/25 14:05:00 eich Exp $ */ + +/* all driver need this */ +#include "xf86.h" +#include "xf86_OSproc.h" +#include "xf86_ansic.h" + +/* pci stuff */ +#include "xf86PciInfo.h" +#include "xf86Pci.h" + +#include "xf86cmap.h" + +#include "fbdevhw.h" +#include "fbpriv.h" + +#include "asm/page.h" /* #define for PAGE_* */ + +#include "globals.h" +#define DPMS_SERVER +#include "extensions/dpms.h" + +#define DEBUG 0 + +#if DEBUG +# define TRACE_ENTER(str) ErrorF("fbdevHW: " str " %d\n",pScrn->scrnIndex) +#else +# define TRACE_ENTER(str) +#endif + +/* -------------------------------------------------------------------- */ + +#ifdef XFree86LOADER + +static MODULESETUPPROTO(fbdevhwSetup); + +static XF86ModuleVersionInfo fbdevHWVersRec = +{ + "fbdevhw", + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XF86_VERSION_CURRENT, + 0, 0, 2, + ABI_CLASS_VIDEODRV, + ABI_VIDEODRV_VERSION, + MOD_CLASS_NONE, + {0,0,0,0} +}; + +XF86ModuleData fbdevhwModuleData = { &fbdevHWVersRec, fbdevhwSetup, NULL }; + +static pointer +fbdevhwSetup(pointer module, pointer opts, int *errmaj, int *errmin) +{ + const char *osname; + + /* Check that we're being loaded on a Linux system */ + LoaderGetOS(&osname, NULL, NULL, NULL); + if (!osname || strcmp(osname, "linux") != 0) { + if (errmaj) + *errmaj = LDR_BADOS; + if (errmin) + *errmin = 0; + return NULL; + } else { + /* OK */ + return (pointer)1; + } +} + +#else /* XFree86LOADER */ + +#include <fcntl.h> +#include <errno.h> +#include <sys/mman.h> + +#endif /* XFree86LOADER */ + +/* -------------------------------------------------------------------- */ +/* 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; +} + +/* -------------------------------------------------------------------- */ +/* 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->virtualX; + var->yres_virtual = pScrn->virtualY; + var->bits_per_pixel = pScrn->bitsPerPixel; + var->red.length = pScrn->weight.red; + var->green.length = pScrn->weight.green; + var->blue.length = pScrn->weight.blue; +} + +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 1 /* Badly needed for PAL/NTSC on Amiga (amifb)!! [geert] */ + if (mode->Flags & V_BCAST) + var->sync |= FB_SYNC_BROADCAST; +#endif + 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 void +fbdev2xfree_timing(struct fb_var_screeninfo *var, DisplayModePtr mode) +{ + mode->Clock = var->pixclock ? 1000000000/var->pixclock : 28000000; + 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 1 /* Badly needed for PAL/NTSC on Amiga (amifb)!! [geert] */ + if (var->sync & FB_SYNC_BROADCAST) + mode->Flags |= V_BCAST; +#endif + 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(pciVideoPtr pPci, char **namep) +{ + struct fb_fix_screeninfo fix; + char filename[16]; + int fd,i,j; + memType res_start, res_end; + + 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++) { + res_start = pPci->memBase[j]; + res_end = res_start+pPci->size[j]; + if ((0 != fix.smem_len && + (memType) fix.smem_start >= res_start && + (memType) fix.smem_start < res_end) || + (0 != fix.mmio_len && + (memType) fix.mmio_start >= res_start && + (memType) 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; + 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(pciVideoPtr 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, pciVideoPtr 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; +} + +void +fbdevHWSetVideoModes(ScrnInfoPtr pScrn) +{ + fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); + int virtX = pScrn->display->virtualX; + int virtY = pScrn->display->virtualY; + struct fb_var_screeninfo var; + char **modename; + DisplayModePtr mode,this,last = NULL; + + TRACE_ENTER("VerifyModes"); + if (NULL == pScrn->display->modes) + return; + + 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; + } + memset(&var,0,sizeof(var)); + xfree2fbdev_timing(mode,&var); + var.xres_virtual = virtX; + var.yres_virtual = virtY; + var.bits_per_pixel = pScrn->bitsPerPixel; + var.red.length = pScrn->weight.red; + var.green.length = pScrn->weight.green; + var.blue.length = pScrn->weight.blue; + + var.activate = FB_ACTIVATE_TEST; + if (var.xres_virtual < var.xres) var.xres_virtual = var.xres; + if (var.yres_virtual < var.yres) var.yres_virtual = var.yres; + if (-1 == ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&var))) { + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "\tmode \"%s\" test failed\n", *modename); + continue; + } + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "\tmode \"%s\" ok\n", *modename); + if (virtX < var.xres) virtX = var.xres; + if (virtY < var.yres) virtY = var.yres; + if (NULL == pScrn->modes) { + pScrn->modes = xnfalloc(sizeof(DisplayModeRec)); + this = pScrn->modes; + memcpy(this,mode,sizeof(DisplayModeRec)); + this->next = this; + this->prev = this; + } else { + this = xnfalloc(sizeof(DisplayModeRec)); + memcpy(this,mode,sizeof(DisplayModeRec)); + this->next = pScrn->modes; + this->prev = last; + last->next = this; + pScrn->modes->prev = this; + } + last = this; + } + pScrn->virtualX = virtX; + pScrn->virtualY = virtY; +} + +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; +} + +/* -------------------------------------------------------------------- */ + +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); + + TRACE_ENTER("ModeInit"); + xfree2fbdev_fblayout(pScrn, &fPtr->var); + xfree2fbdev_timing(mode, &fPtr->var); +#if DEBUG + print_xfree_mode("init",mode); + print_fbdev_mode("init",&fPtr->var); +#endif + pScrn->vtSema = TRUE; + + /* set */ + if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); + 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; + } + 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("ModeInit"); + 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 */ + +int +fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); + struct fb_var_screeninfo var; + + TRACE_ENTER("ValidMode"); + memcpy(&var,&fPtr->var,sizeof(var)); + xfree2fbdev_timing(mode, &var); + var.activate = FB_ACTIVATE_TEST; + if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) { + xf86DrvMsg(scrnIndex, X_ERROR, + "FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); + return MODE_BAD; + } + return MODE_OK; +} + +Bool +fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags) +{ + ScrnInfoPtr pScrn = xf86Screens[scrnIndex]; + fbdevHWPtr fPtr = FBDEVHWPTR(pScrn); + + TRACE_ENTER("SwitchMode"); + xfree2fbdev_timing(mode, &fPtr->var); + if (0 != ioctl(fPtr->fd,FBIOPUT_VSCREENINFO,(void*)(&fPtr->var))) { + xf86DrvMsg(scrnIndex, X_ERROR, + "FBIOPUT_VSCREENINFO: %s\n", strerror(errno)); + 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"); + fPtr->var.xoffset = x; + fPtr->var.yoffset = y; + if (-1 == ioctl(fPtr->fd,FBIOPAN_DISPLAY,(void*)&fPtr->var)) + xf86DrvMsgVerb(scrnIndex,5, X_WARNING, + "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; + + 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; +} diff --git a/hw/xfree86/fbdevhw/fbdevhw.h b/hw/xfree86/fbdevhw/fbdevhw.h new file mode 100644 index 000000000..78a5b5882 --- /dev/null +++ b/hw/xfree86/fbdevhw/fbdevhw.h @@ -0,0 +1,52 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/fbdevhw/fbdevhw.h,v 1.11 2001/10/01 13:44:12 eich Exp $ */ + +#ifndef _FBDEVHW_H_ +#define _FBDEVHW_H_ + +#include "xf86str.h" +#include "colormapst.h" + +#define FBDEVHW_PACKED_PIXELS 0 /* Packed Pixels */ +#define FBDEVHW_PLANES 1 /* Non interleaved planes */ +#define FBDEVHW_INTERLEAVED_PLANES 2 /* Interleaved planes */ +#define FBDEVHW_TEXT 3 /* Text/attributes */ +#define FBDEVHW_VGA_PLANES 4 /* EGA/VGA planes */ + +Bool fbdevHWGetRec(ScrnInfoPtr pScrn); +void fbdevHWFreeRec(ScrnInfoPtr pScrn); + +Bool fbdevHWProbe(pciVideoPtr pPci, char *device, char **namep); +Bool fbdevHWInit(ScrnInfoPtr pScrn, pciVideoPtr pPci, char *device); + +char* fbdevHWGetName(ScrnInfoPtr pScrn); +int fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp); +int fbdevHWGetLineLength(ScrnInfoPtr pScrn); +int fbdevHWGetType(ScrnInfoPtr pScrn); +int fbdevHWGetVidmem(ScrnInfoPtr pScrn); + +void* fbdevHWMapVidmem(ScrnInfoPtr pScrn); +int fbdevHWLinearOffset(ScrnInfoPtr pScrn); +Bool fbdevHWUnmapVidmem(ScrnInfoPtr pScrn); +void* fbdevHWMapMMIO(ScrnInfoPtr pScrn); +Bool fbdevHWUnmapMMIO(ScrnInfoPtr pScrn); + +void fbdevHWSetVideoModes(ScrnInfoPtr pScrn); +DisplayModePtr fbdevHWGetBuildinMode(ScrnInfoPtr pScrn); +void fbdevHWUseBuildinMode(ScrnInfoPtr pScrn); +Bool fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode); +void fbdevHWSave(ScrnInfoPtr pScrn); +void fbdevHWRestore(ScrnInfoPtr pScrn); + +void fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, + LOCO *colors, VisualPtr pVisual); + +int fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags); +Bool fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags); +void fbdevHWAdjustFrame(int scrnIndex, int x, int y, int flags); +Bool fbdevHWEnterVT(int scrnIndex, int flags); +void fbdevHWLeaveVT(int scrnIndex, int flags); +void fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags); + +Bool fbdevHWSaveScreen(ScreenPtr pScreen, int mode); + +#endif diff --git a/hw/xfree86/fbdevhw/fbdevhw.man.pre b/hw/xfree86/fbdevhw/fbdevhw.man.pre new file mode 100644 index 000000000..dadc1f9a3 --- /dev/null +++ b/hw/xfree86/fbdevhw/fbdevhw.man.pre @@ -0,0 +1,21 @@ +.\" $XFree86: xc/programs/Xserver/hw/xfree86/fbdevhw/fbdevhw.man,v 1.2 2001/01/27 18:20:56 dawes Exp $ +.TH FBDEVHW __drivermansuffix__ __vendorversion__ +.SH NAME +fbdevhw \- os-specific submodule for framebuffer device access +.SH DESCRIPTION +.B fbdevhw +provides functions for talking to a framebuffer device. It is +os-specific. It is a submodule used by other video drivers. +A +.B fbdevhw +module is currently available for linux framebuffer devices. +.PP +fbdev(__drivermansuffix__) is a non-accelerated driver which runs on top of the +fbdevhw module. fbdevhw can be used by other drivers too, this +is usually activated with `Option "UseFBDev"' in the device section. +.SH "SEE ALSO" +XFree86(1), XF86Config(__filemansuffix__), xf86config(1), Xserver(1), X(__miscmansuffix__), +fbdev(__drivermansuffix__) +.SH AUTHORS +Authors include: Gerd Knorr, based on the XF68_FBDev Server code +(Martin Schaller, Geert Uytterhoeven). diff --git a/hw/xfree86/fbdevhw/fbdevhwstub.c b/hw/xfree86/fbdevhw/fbdevhwstub.c new file mode 100644 index 000000000..02086ef8f --- /dev/null +++ b/hw/xfree86/fbdevhw/fbdevhwstub.c @@ -0,0 +1,170 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/fbdevhw/fbdevhwstub.c,v 1.12 2001/10/28 03:33:55 tsi Exp $ */ + +#include "xf86.h" +#include "xf86cmap.h" +#include "fbdevhw.h" + +/* Stubs for the static server on platforms that don't support fbdev */ + + +Bool +fbdevHWGetRec(ScrnInfoPtr pScrn) +{ + return FALSE; +} + +void +fbdevHWFreeRec(ScrnInfoPtr pScrn) +{ +} + + +Bool +fbdevHWProbe(pciVideoPtr pPci, char *device, char **namep) +{ + return FALSE; +} + +Bool +fbdevHWInit(ScrnInfoPtr pScrn, pciVideoPtr pPci, char *device) +{ + xf86Msg(X_ERROR, "fbdevhw is not available on this platform\n"); + return FALSE; +} + +char* +fbdevHWGetName(ScrnInfoPtr pScrn) +{ + return NULL; +} + +int +fbdevHWGetDepth(ScrnInfoPtr pScrn, int *fbbpp) +{ + return -1; +} + +int +fbdevHWGetLineLength(ScrnInfoPtr pScrn) +{ + return -1; /* Should cause something spectacular... */ +} + +int +fbdevHWGetType(ScrnInfoPtr pScrn) +{ + return -1; +} + +int +fbdevHWGetVidmem(ScrnInfoPtr pScrn) +{ + return -1; +} + +void +fbdevHWSetVideoModes(ScrnInfoPtr pScrn) +{ +} + +DisplayModePtr +fbdevHWGetBuildinMode(ScrnInfoPtr pScrn) +{ + return NULL; +} + +void +fbdevHWUseBuildinMode(ScrnInfoPtr pScrn) +{ +} + +void* +fbdevHWMapVidmem(ScrnInfoPtr pScrn) +{ + return NULL; +} + +int +fbdevHWLinearOffset(ScrnInfoPtr pScrn) +{ + return 0; +} + +Bool +fbdevHWUnmapVidmem(ScrnInfoPtr pScrn) +{ + return FALSE; +} + +void* +fbdevHWMapMMIO(ScrnInfoPtr pScrn) +{ + return NULL; +} + +Bool +fbdevHWUnmapMMIO(ScrnInfoPtr pScrn) +{ + return FALSE; +} + +Bool +fbdevHWModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode) +{ + return FALSE; +} + +void +fbdevHWSave(ScrnInfoPtr pScrn) +{ +} + +void +fbdevHWRestore(ScrnInfoPtr pScrn) +{ +} + +void +fbdevHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, + LOCO *colors, VisualPtr pVisual) +{ +} + +int +fbdevHWValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags) +{ + return MODE_ERROR; +} + +Bool +fbdevHWSwitchMode(int scrnIndex, DisplayModePtr mode, int flags) +{ + return FALSE; +} + +void +fbdevHWAdjustFrame(int scrnIndex, int x, int y, int flags) +{ +} + +Bool +fbdevHWEnterVT(int scrnIndex, int flags) +{ + return FALSE; +} + +void +fbdevHWLeaveVT(int scrnIndex, int flags) +{ +} + +void +fbdevHWDPMSSet(ScrnInfoPtr pScrn, int mode, int flags) +{ +} + +Bool +fbdevHWSaveScreen(ScreenPtr pScreen, int mode) +{ + return FALSE; +} diff --git a/hw/xfree86/fbdevhw/fbpriv.h b/hw/xfree86/fbdevhw/fbpriv.h new file mode 100644 index 000000000..d651e5129 --- /dev/null +++ b/hw/xfree86/fbdevhw/fbpriv.h @@ -0,0 +1,262 @@ +/* + * copyed from from linux kernel 2.2.4 + * removed internal stuff (#ifdef __KERNEL__) + */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/fbdevhw/fbpriv.h,v 1.3 2000/08/11 17:27:14 dawes Exp $ */ + +#ifndef _LINUX_FB_H +#define _LINUX_FB_H + +#include <asm/types.h> + +/* Definitions of frame buffers */ + +#define FB_MAJOR 29 + +#define FB_MODES_SHIFT 5 /* 32 modes per framebuffer */ +#define FB_NUM_MINORS 256 /* 256 Minors */ +#define FB_MAX (FB_NUM_MINORS / (1 << FB_MODES_SHIFT)) +#define GET_FB_IDX(node) (MINOR(node) >> FB_MODES_SHIFT) + +/* ioctls + 0x46 is 'F' */ +#define FBIOGET_VSCREENINFO 0x4600 +#define FBIOPUT_VSCREENINFO 0x4601 +#define FBIOGET_FSCREENINFO 0x4602 +#define FBIOGETCMAP 0x4604 +#define FBIOPUTCMAP 0x4605 +#define FBIOPAN_DISPLAY 0x4606 +/* 0x4607-0x460B are defined below */ +/* #define FBIOGET_MONITORSPEC 0x460C */ +/* #define FBIOPUT_MONITORSPEC 0x460D */ +/* #define FBIOSWITCH_MONIBIT 0x460E */ +#define FBIOGET_CON2FBMAP 0x460F +#define FBIOPUT_CON2FBMAP 0x4610 +#define FBIOBLANK 0x4611 + +#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ +#define FB_TYPE_PLANES 1 /* Non interleaved planes */ +#define FB_TYPE_INTERLEAVED_PLANES 2 /* Interleaved planes */ +#define FB_TYPE_TEXT 3 /* Text/attributes */ + +#define FB_AUX_TEXT_MDA 0 /* Monochrome text */ +#define FB_AUX_TEXT_CGA 1 /* CGA/EGA/VGA Color text */ +#define FB_AUX_TEXT_S3_MMIO 2 /* S3 MMIO fasttext */ +#define FB_AUX_TEXT_MGA_STEP16 3 /* MGA Millenium I: text, attr, 14 reserved bytes */ +#define FB_AUX_TEXT_MGA_STEP8 4 /* other MGAs: text, attr, 6 reserved bytes */ + +#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */ +#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */ +#define FB_VISUAL_TRUECOLOR 2 /* True color */ +#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */ +#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */ +#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */ + +#define FB_ACCEL_NONE 0 /* no hardware accelerator */ +#define FB_ACCEL_ATARIBLITT 1 /* Atari Blitter */ +#define FB_ACCEL_AMIGABLITT 2 /* Amiga Blitter */ +#define FB_ACCEL_S3_TRIO64 3 /* Cybervision64 (S3 Trio64) */ +#define FB_ACCEL_NCR_77C32BLT 4 /* RetinaZ3 (NCR 77C32BLT) */ +#define FB_ACCEL_S3_VIRGE 5 /* Cybervision64/3D (S3 ViRGE) */ +#define FB_ACCEL_ATI_MACH64GX 6 /* ATI Mach 64GX family */ +#define FB_ACCEL_DEC_TGA 7 /* DEC 21030 TGA */ +#define FB_ACCEL_ATI_MACH64CT 8 /* ATI Mach 64CT family */ +#define FB_ACCEL_ATI_MACH64VT 9 /* ATI Mach 64CT family VT class */ +#define FB_ACCEL_ATI_MACH64GT 10 /* ATI Mach 64CT family GT class */ +#define FB_ACCEL_SUN_CREATOR 11 /* Sun Creator/Creator3D */ +#define FB_ACCEL_SUN_CGSIX 12 /* Sun cg6 */ +#define FB_ACCEL_SUN_LEO 13 /* Sun leo/zx */ +#define FB_ACCEL_IMS_TWINTURBO 14 /* IMS Twin Turbo */ +#define FB_ACCEL_3DLABS_PERMEDIA2 15 /* 3Dlabs Permedia 2 */ +#define FB_ACCEL_MATROX_MGA2064W 16 /* Matrox MGA2064W (Millenium) */ +#define FB_ACCEL_MATROX_MGA1064SG 17 /* Matrox MGA1064SG (Mystique) */ +#define FB_ACCEL_MATROX_MGA2164W 18 /* Matrox MGA2164W (Millenium II) */ +#define FB_ACCEL_MATROX_MGA2164W_AGP 19 /* Matrox MGA2164W (Millenium II) */ +#define FB_ACCEL_MATROX_MGAG100 20 /* Matrox G100 (Productiva G100) */ +#define FB_ACCEL_MATROX_MGAG200 21 /* Matrox G200 (Myst, Mill, ...) */ +#define FB_ACCEL_SUN_CG14 22 /* Sun cgfourteen */ +#define FB_ACCEL_SUN_BWTWO 23 /* Sun bwtwo */ +#define FB_ACCEL_SUN_CGTHREE 24 /* Sun cgthree */ +#define FB_ACCEL_SUN_TCX 25 /* Sun tcx */ +#define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ +#define FB_ACCEL_NV3 27 /* nVidia RIVA 128 */ +#define FB_ACCEL_NV4 28 /* nVidia RIVA TNT */ +#define FB_ACCEL_NV5 29 /* nVidia RIVA TNT2 */ +#define FB_ACCEL_CT_6555x 30 /* C&T 6555x */ +#define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ +#define FB_ACCEL_ATI_RAGE128 32 /* ATI Rage128 family */ + +struct fb_fix_screeninfo { + char id[16]; /* identification string eg "TT Builtin" */ + char *smem_start; /* Start of frame buffer mem */ + /* (physical address) */ + __u32 smem_len; /* Length of frame buffer mem */ + __u32 type; /* see FB_TYPE_* */ + __u32 type_aux; /* Interleave for interleaved Planes */ + __u32 visual; /* see FB_VISUAL_* */ + __u16 xpanstep; /* zero if no hardware panning */ + __u16 ypanstep; /* zero if no hardware panning */ + __u16 ywrapstep; /* zero if no hardware ywrap */ + __u32 line_length; /* length of a line in bytes */ + char *mmio_start; /* Start of Memory Mapped I/O */ + /* (physical address) */ + __u32 mmio_len; /* Length of Memory Mapped I/O */ + __u32 accel; /* Type of acceleration available */ + __u16 reserved[3]; /* Reserved for future compatibility */ +}; + +/* Interpretation of offset for color fields: All offsets are from the right, + * inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you + * can use the offset as right argument to <<). A pixel afterwards is a bit + * stream and is written to video memory as that unmodified. This implies + * big-endian byte order if bits_per_pixel is greater than 8. + */ +struct fb_bitfield { + __u32 offset; /* beginning of bitfield */ + __u32 length; /* length of bitfield */ + __u32 msb_right; /* != 0 : Most significant bit is */ + /* right */ +}; + +#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */ + +#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/ +#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */ +#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */ +#define FB_ACTIVATE_MASK 15 + /* values */ +#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */ +#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */ +#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */ + +#define FB_ACCELF_TEXT 1 /* text mode acceleration */ + +#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */ +#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */ +#define FB_SYNC_EXT 4 /* external sync */ +#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */ +#define FB_SYNC_BROADCAST 16 /* broadcast video timings */ + /* vtotal = 144d/288n/576i => PAL */ + /* vtotal = 121d/242n/484i => NTSC */ +#define FB_SYNC_ON_GREEN 32 /* sync on green */ + +#define FB_VMODE_NONINTERLACED 0 /* non interlaced */ +#define FB_VMODE_INTERLACED 1 /* interlaced */ +#define FB_VMODE_DOUBLE 2 /* double scan */ +#define FB_VMODE_MASK 255 + +#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */ +#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */ +#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */ + +struct fb_var_screeninfo { + __u32 xres; /* visible resolution */ + __u32 yres; + __u32 xres_virtual; /* virtual resolution */ + __u32 yres_virtual; + __u32 xoffset; /* offset from virtual to visible */ + __u32 yoffset; /* resolution */ + + __u32 bits_per_pixel; /* guess what */ + __u32 grayscale; /* != 0 Graylevels instead of colors */ + + struct fb_bitfield red; /* bitfield in fb mem if true color, */ + struct fb_bitfield green; /* else only length is significant */ + struct fb_bitfield blue; + struct fb_bitfield transp; /* transparency */ + + __u32 nonstd; /* != 0 Non standard pixel format */ + + __u32 activate; /* see FB_ACTIVATE_* */ + + __u32 height; /* height of picture in mm */ + __u32 width; /* width of picture in mm */ + + __u32 accel_flags; /* acceleration flags (hints) */ + + /* Timing: All values in pixclocks, except pixclock (of course) */ + __u32 pixclock; /* pixel clock in ps (pico seconds) */ + __u32 left_margin; /* time from sync to picture */ + __u32 right_margin; /* time from picture to sync */ + __u32 upper_margin; /* time from sync to picture */ + __u32 lower_margin; + __u32 hsync_len; /* length of horizontal sync */ + __u32 vsync_len; /* length of vertical sync */ + __u32 sync; /* see FB_SYNC_* */ + __u32 vmode; /* see FB_VMODE_* */ + __u32 reserved[6]; /* Reserved for future compatibility */ +}; + +struct fb_cmap { + __u32 start; /* First entry */ + __u32 len; /* Number of entries */ + __u16 *red; /* Red values */ + __u16 *green; + __u16 *blue; + __u16 *transp; /* transparency, can be NULL */ +}; + +struct fb_con2fbmap { + __u32 console; + __u32 framebuffer; +}; + +struct fb_monspecs { + __u32 hfmin; /* hfreq lower limit (Hz) */ + __u32 hfmax; /* hfreq upper limit (Hz) */ + __u16 vfmin; /* vfreq lower limit (Hz) */ + __u16 vfmax; /* vfreq upper limit (Hz) */ + unsigned dpms : 1; /* supports DPMS */ +}; + +#if 1 + +#define FBCMD_GET_CURRENTPAR 0xDEAD0005 +#define FBCMD_SET_CURRENTPAR 0xDEAD8005 + +#endif + + +#if 1 /* Preliminary */ + + /* + * Hardware Cursor + */ + +#define FBIOGET_FCURSORINFO 0x4607 +#define FBIOGET_VCURSORINFO 0x4608 +#define FBIOPUT_VCURSORINFO 0x4609 +#define FBIOGET_CURSORSTATE 0x460A +#define FBIOPUT_CURSORSTATE 0x460B + + +struct fb_fix_cursorinfo { + __u16 crsr_width; /* width and height of the cursor in */ + __u16 crsr_height; /* pixels (zero if no cursor) */ + __u16 crsr_xsize; /* cursor size in display pixels */ + __u16 crsr_ysize; + __u16 crsr_color1; /* colormap entry for cursor color1 */ + __u16 crsr_color2; /* colormap entry for cursor color2 */ +}; + +struct fb_var_cursorinfo { + __u16 width; + __u16 height; + __u16 xspot; + __u16 yspot; + __u8 data[1]; /* field with [height][width] */ +}; + +struct fb_cursorstate { + __s16 xoffset; + __s16 yoffset; + __u16 mode; +}; + +#define FB_CURSOR_OFF 0 +#define FB_CURSOR_ON 1 +#define FB_CURSOR_FLASH 2 + +#endif /* Preliminary */ + +#endif /* _LINUX_FB_H */ |