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Diffstat (limited to 'driver/xf86-video-wsfb')
-rw-r--r--driver/xf86-video-wsfb/src/wsfb_driver.c102
1 files changed, 52 insertions, 50 deletions
diff --git a/driver/xf86-video-wsfb/src/wsfb_driver.c b/driver/xf86-video-wsfb/src/wsfb_driver.c
index 062feffe9..b46352b75 100644
--- a/driver/xf86-video-wsfb/src/wsfb_driver.c
+++ b/driver/xf86-video-wsfb/src/wsfb_driver.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: wsfb_driver.c,v 1.11 2008/01/04 04:20:15 jsing Exp $ */
+/* $OpenBSD: wsfb_driver.c,v 1.12 2008/01/14 08:02:36 jasper Exp $ */
/*
* Copyright (c) 2001 Matthieu Herrb
* All rights reserved.
@@ -45,7 +45,7 @@
#include <sys/time.h>
#include <dev/wscons/wsconsio.h>
-/* all driver need this */
+/* All drivers need this. */
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86_ansic.h"
@@ -58,7 +58,7 @@
#include "shadow.h"
#include "dgaproc.h"
-/* for visuals */
+/* For visuals */
#include "xf1bpp.h"
#include "xf4bpp.h"
#include "fb.h"
@@ -124,7 +124,7 @@ static Bool WsfbSaveScreen(ScreenPtr, int);
static void WsfbSave(ScrnInfoPtr);
static void WsfbRestore(ScrnInfoPtr);
-/* dga stuff */
+/* DGA stuff */
#ifdef XFreeXDGA
static Bool WsfbDGAOpenFramebuffer(ScrnInfoPtr, char **, unsigned char **,
int *, int *, int *);
@@ -135,7 +135,7 @@ static Bool WsfbDGAInit(ScrnInfoPtr, ScreenPtr);
static Bool WsfbDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op,
pointer ptr);
-/* helper functions */
+/* Helper functions */
static int wsfb_open(char *);
static pointer wsfb_mmap(size_t, off_t, int);
@@ -146,8 +146,8 @@ enum { WSFB_ROTATE_NONE = 0,
};
/*
- * This is intentionally screen-independent. It indicates the binding
- * choice made in the first PreInit.
+ * This is intentionally screen-independent.
+ * It indicates the binding choice made in the first PreInit.
*/
static int pix24bpp = 0;
@@ -184,7 +184,7 @@ static const OptionInfoRec WsfbOptions[] = {
{ -1, NULL, OPTV_NONE, {0}, FALSE}
};
-/* Symbols needed from other modules */
+/* Symbols needed from other modules. */
static const char *fbSymbols[] = {
"fbPictureInit",
"fbScreenInit",
@@ -224,7 +224,7 @@ WsfbSetup(pointer module, pointer opts, int *errmaj, int *errmin)
static Bool setupDone = FALSE;
const char *osname;
- /* Check that we're being loaded on a OpenBSD or NetBSD system */
+ /* Check that we're being loaded on a OpenBSD or NetBSD system. */
LoaderGetOS(&osname, NULL, NULL, NULL);
if (!osname || (strcmp(osname, "openbsd") != 0 &&
strcmp(osname, "netbsd") != 0)) {
@@ -247,11 +247,11 @@ WsfbSetup(pointer module, pointer opts, int *errmaj, int *errmin)
}
#endif /* XFree86LOADER */
-/* private data */
+/* Private data */
typedef struct {
- int fd; /* file descriptor of open device */
- struct wsdisplay_fbinfo info; /* frame buffer characteristics */
- int linebytes; /* number of bytes per row */
+ int fd; /* File descriptor of open device. */
+ struct wsdisplay_fbinfo info; /* Frame buffer characteristics. */
+ int linebytes; /* Number of bytes per row. */
unsigned char* fbstart;
unsigned char* fbmem;
size_t fbmem_len;
@@ -308,18 +308,18 @@ WsfbIdentify(int flags)
WsfbChipsets);
}
-/* Open the framebuffer device */
+/* Open the framebuffer device. */
static int
wsfb_open(char *dev)
{
int fd = -1;
- /* try argument from XF86Config first */
+ /* Try argument from XF86Config first. */
if (dev == NULL || ((fd = priv_open_device(dev)) == -1)) {
- /* second: environment variable */
+ /* Second: environment variable. */
dev = getenv("XDEVICE");
if (dev == NULL || ((fd = priv_open_device(dev)) == -1)) {
- /* last try: default device */
+ /* Last try: default device. */
dev = WSFB_DEFAULT_DEV;
if ((fd = priv_open_device(dev)) == -1) {
return -1;
@@ -329,7 +329,7 @@ wsfb_open(char *dev)
return fd;
}
-/* Map the framebuffer's memory */
+/* Map the framebuffer's memory. */
static pointer
wsfb_mmap(size_t len, off_t off, int fd)
{
@@ -342,7 +342,7 @@ wsfb_mmap(size_t len, off_t off, int fd)
addr = 0;
/*
- * try and make it private first, that way once we get it, an
+ * Try and make it private first, that way once we get it, an
* interloper, e.g. another server, can't get this frame buffer,
* and if another server already has it, this one won't.
*/
@@ -449,7 +449,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
return FALSE;
}
/*
- * depth
+ * Depth
*/
defaultDepth = 0;
if (ioctl(fPtr->fd, WSDISPLAYIO_GETSUPPORTEDDEPTH,
@@ -510,7 +510,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
return FALSE;
if (wstype == WSDISPLAY_TYPE_PCIVGA) {
- /* Set specified mode */
+ /* Set specified mode. */
if (pScrn->display->modes != NULL &&
pScrn->display->modes[0] != NULL) {
struct wsdisplay_gfx_mode gfxmode;
@@ -545,7 +545,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
return FALSE;
}
/*
- * Allocate room for saving the colormap
+ * Allocate room for saving the colormap.
*/
if (fPtr->info.cmsize != 0) {
fPtr->saved_cmap.red =
@@ -575,7 +575,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
}
- /* Check consistency */
+ /* Check consistency. */
if (pScrn->bitsPerPixel != fPtr->info.depth) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"specified depth (%d) or bpp (%d) doesn't match "
@@ -585,11 +585,11 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
}
xf86PrintDepthBpp(pScrn);
- /* Get the depth24 pixmap format */
+ /* Get the depth24 pixmap format. */
if (pScrn->depth == 24 && pix24bpp == 0)
pix24bpp = xf86GetBppFromDepth(pScrn, 24);
- /* color weight */
+ /* Color weight */
if (pScrn->depth > 8) {
rgb zeros = { 0, 0, 0 }, masks;
@@ -645,11 +645,11 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
return FALSE;
}
- /* visual init */
+ /* Visual init */
if (!xf86SetDefaultVisual(pScrn, -1))
return FALSE;
- /* We don't currently support DirectColor at > 8bpp */
+ /* We don't currently support DirectColor at > 8bpp . */
if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Given default visual"
" (%s) is not supported at depth %d\n",
@@ -671,7 +671,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Vidmem: %dk\n",
pScrn->videoRam/1024);
- /* handle options */
+ /* Handle options. */
xf86CollectOptions(pScrn, NULL);
if (!(fPtr->Options = xalloc(sizeof(WsfbOptions))))
return FALSE;
@@ -679,7 +679,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
xf86ProcessOptions(pScrn->scrnIndex, fPtr->pEnt->device->options,
fPtr->Options);
- /* use shadow framebuffer by default, on depth >= 8 */
+ /* Use shadow framebuffer by default, on depth >= 8 */
if (pScrn->depth >= 8)
fPtr->shadowFB = xf86ReturnOptValBool(fPtr->Options,
OPTION_SHADOW_FB, TRUE);
@@ -690,7 +690,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
"Shadow FB option ignored on depth < 8");
}
- /* rotation */
+ /* Rotation */
fPtr->rotate = WSFB_ROTATE_NONE;
if ((s = xf86GetOptValString(fPtr->Options, OPTION_ROTATE))) {
if (pScrn->depth >= 8) {
@@ -723,7 +723,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
}
}
- /* fake video mode struct */
+ /* Fake video mode struct. */
mode = (DisplayModePtr)xalloc(sizeof(DisplayModeRec));
mode->prev = mode;
mode->next = mode;
@@ -748,10 +748,10 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
pScrn->virtualY = fPtr->info.height;
pScrn->displayWidth = pScrn->virtualX;
- /* Set the display resolution */
+ /* Set the display resolution. */
xf86SetDpi(pScrn, 0, 0);
- /* Load bpp-specific modules */
+ /* Load bpp-specific modules. */
switch(pScrn->bitsPerPixel) {
case 1:
mod = "xf1bpp";
@@ -767,7 +767,7 @@ WsfbPreInit(ScrnInfoPtr pScrn, int flags)
}
- /* Load shadow if needed */
+ /* Load shadow if needed. */
if (fPtr->shadowFB) {
xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
"Using \"Shadow Framebuffer\"\n");
@@ -884,7 +884,7 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
"unsupported depth %d\n", fPtr->info.depth);
return FALSE;
}
- /* Switch to graphics mode - required before mmap */
+ /* Switch to graphics mode - required before mmap. */
if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"ioctl WSDISPLAYIO_SMODE: %s\n",
@@ -903,7 +903,7 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
WsfbSave(pScrn);
pScrn->vtSema = TRUE;
- /* mi layer */
+ /* MI layer */
miClearVisualTypes();
if (pScrn->bitsPerPixel > 8) {
if (!miSetVisualTypes(pScrn->depth, TrueColorMask,
@@ -978,7 +978,7 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
}
if (pScrn->bitsPerPixel > 8) {
- /* Fixup RGB ordering */
+ /* Fixup RGB ordering. */
visual = pScreen->visuals + pScreen->numVisuals;
while (--visual >= pScreen->visuals) {
if ((visual->class | DynamicClass) == DirectColor) {
@@ -1023,7 +1023,7 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
miInitializeBackingStore(pScreen);
xf86SetBackingStore(pScreen);
- /* software cursor */
+ /* Software cursor. */
miDCInitialize(pScreen, xf86GetPointerScreenFuncs());
/*
@@ -1038,7 +1038,7 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
return FALSE;
flags = CMAP_RELOAD_ON_MODE_SWITCH;
ncolors = fPtr->info.cmsize;
- /* on StaticGray visuals, fake a 256 entries colormap */
+ /* On StaticGray visuals, fake a 256 entries colormap. */
if (ncolors == 0)
ncolors = 256;
if(!xf86HandleColormaps(pScreen, ncolors, 8, WsfbLoadPalette,
@@ -1058,7 +1058,7 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
}
#endif
- /* Wrap the current CloseScreen function */
+ /* Wrap the current CloseScreen function. */
fPtr->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = WsfbCloseScreen;
@@ -1092,7 +1092,7 @@ WsfbCloseScreen(int scrnIndex, ScreenPtr pScreen)
#endif
pScrn->vtSema = FALSE;
- /* unwrap CloseScreen */
+ /* Unwrap CloseScreen. */
pScreen->CloseScreen = fPtr->CloseScreen;
return (*pScreen->CloseScreen)(scrnIndex, pScreen);
}
@@ -1161,7 +1161,7 @@ WsfbEnterVT(int scrnIndex, int flags)
TRACE_ENTER("EnterVT");
- /* Switch to graphics mode */
+ /* Switch to graphics mode. */
if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"ioctl WSDISPLAYIO_SMODE: %s\n",
@@ -1194,7 +1194,7 @@ WsfbSwitchMode(int scrnIndex, DisplayModePtr mode, int flags)
#endif
TRACE_ENTER("SwitchMode");
- /* Nothing else to do */
+ /* Nothing else to do. */
return TRUE;
}
@@ -1234,8 +1234,10 @@ WsfbLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1)
ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno));
} else {
- /* Change all colors in 2 ioctls */
- /* and limit the data to be transfered */
+ /*
+ * Change all colors in 2 ioctls
+ * and limit the data to be transfered.
+ */
for (i = 0; i < numColors; i++) {
if (indices[i] < indexMin)
indexMin = indices[i];
@@ -1247,16 +1249,16 @@ WsfbLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
cmap.red = &red[indexMin];
cmap.green = &green[indexMin];
cmap.blue = &blue[indexMin];
- /* Get current map */
+ /* Get current map. */
if (ioctl(fPtr->fd, WSDISPLAYIO_GETCMAP, &cmap) == -1)
ErrorF("ioctl FBIOGETCMAP: %s\n", strerror(errno));
- /* Change the colors that require updating */
+ /* Change the colors that require updating. */
for (i = 0; i < numColors; i++) {
red[indices[i]] = colors[indices[i]].red;
green[indices[i]] = colors[indices[i]].green;
blue[indices[i]] = colors[indices[i]].blue;
}
- /* Write the colormap back */
+ /* Write the colormap back. */
if (ioctl(fPtr->fd,WSDISPLAYIO_PUTCMAP, &cmap) == -1)
ErrorF("ioctl FBIOPUTCMAP: %s\n", strerror(errno));
}
@@ -1323,10 +1325,10 @@ WsfbRestore(ScrnInfoPtr pScrn)
}
}
- /* Clear the screen */
+ /* Clear the screen. */
memset(fPtr->fbmem, 0, fPtr->fbmem_len);
- /* Restore the text mode */
+ /* Restore the text mode. */
mode = WSDISPLAYIO_MODE_EMUL;
if (ioctl(fPtr->fd, WSDISPLAYIO_SMODE, &mode) == -1) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 20:44:02 +0000