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path: root/drivers/video/pm3fb.c
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Diffstat (limited to 'drivers/video/pm3fb.c')
-rw-r--r--drivers/video/pm3fb.c68
1 files changed, 38 insertions, 30 deletions
diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c
index fb91b641aef..88af0721f30 100644
--- a/drivers/video/pm3fb.c
+++ b/drivers/video/pm3fb.c
@@ -135,7 +135,7 @@ static void pm3fb_clear_colormap(struct pm3_par *par,
}
-/* Calculating various clock parameter */
+/* Calculating various clock parameters */
static void pm3fb_calculate_clock(unsigned long reqclock,
unsigned char *prescale,
unsigned char *feedback,
@@ -166,7 +166,7 @@ static void pm3fb_calculate_clock(unsigned long reqclock,
static inline int pm3fb_depth(const struct fb_var_screeninfo *var)
{
- if ( var->bits_per_pixel == 16 )
+ if (var->bits_per_pixel == 16)
return var->red.length + var->green.length
+ var->blue.length;
@@ -351,7 +351,7 @@ static void pm3fb_init_engine(struct fb_info *info)
PM3_WRITE_REG(par, PM3dXDom, 0x0);
PM3_WRITE_REG(par, PM3dXSub, 0x0);
- PM3_WRITE_REG(par, PM3dY, (1 << 16));
+ PM3_WRITE_REG(par, PM3dY, 1 << 16);
PM3_WRITE_REG(par, PM3StartXDom, 0x0);
PM3_WRITE_REG(par, PM3StartXSub, 0x0);
PM3_WRITE_REG(par, PM3StartY, 0x0);
@@ -372,16 +372,21 @@ static void pm3fb_fillrect (struct fb_info *info,
struct pm3_par *par = info->par;
struct fb_fillrect modded;
int vxres, vyres;
+ int rop;
u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
((u32*)info->pseudo_palette)[region->color] : region->color;
if (info->state != FBINFO_STATE_RUNNING)
return;
- if ((info->flags & FBINFO_HWACCEL_DISABLED) ||
- region->rop != ROP_COPY ) {
+ if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_fillrect(info, region);
return;
}
+ if (region->rop == ROP_COPY )
+ rop = PM3Config2D_ForegroundROP(0x3); /* GXcopy */
+ else
+ rop = PM3Config2D_ForegroundROP(0x6) | /* GXxor */
+ PM3Config2D_FBDestReadEnable;
vxres = info->var.xres_virtual;
vyres = info->var.yres_virtual;
@@ -407,22 +412,22 @@ static void pm3fb_fillrect (struct fb_info *info,
PM3_WRITE_REG(par, PM3Config2D,
PM3Config2D_UseConstantSource |
PM3Config2D_ForegroundROPEnable |
- (PM3Config2D_ForegroundROP(0x3)) |
+ rop |
PM3Config2D_FBWriteEnable);
PM3_WRITE_REG(par, PM3ForegroundColor, color);
PM3_WRITE_REG(par, PM3RectanglePosition,
- (PM3RectanglePosition_XOffset(modded.dx)) |
- (PM3RectanglePosition_YOffset(modded.dy)));
+ PM3RectanglePosition_XOffset(modded.dx) |
+ PM3RectanglePosition_YOffset(modded.dy));
PM3_WRITE_REG(par, PM3Render2D,
PM3Render2D_XPositive |
PM3Render2D_YPositive |
PM3Render2D_Operation_Normal |
PM3Render2D_SpanOperation |
- (PM3Render2D_Width(modded.width)) |
- (PM3Render2D_Height(modded.height)));
+ PM3Render2D_Width(modded.width) |
+ PM3Render2D_Height(modded.height));
}
static void pm3fb_copyarea(struct fb_info *info,
@@ -470,7 +475,7 @@ static void pm3fb_copyarea(struct fb_info *info,
PM3Config2D_UserScissorEnable |
PM3Config2D_ForegroundROPEnable |
PM3Config2D_Blocking |
- (PM3Config2D_ForegroundROP(0x3)) | /* Ox3 is GXcopy */
+ PM3Config2D_ForegroundROP(0x3) | /* Ox3 is GXcopy */
PM3Config2D_FBWriteEnable);
PM3_WRITE_REG(par, PM3ScissorMinXY,
@@ -484,8 +489,8 @@ static void pm3fb_copyarea(struct fb_info *info,
PM3FBSourceReadBufferOffset_YOffset(o_y));
PM3_WRITE_REG(par, PM3RectanglePosition,
- (PM3RectanglePosition_XOffset(modded.dx - x_align)) |
- (PM3RectanglePosition_YOffset(modded.dy)));
+ PM3RectanglePosition_XOffset(modded.dx - x_align) |
+ PM3RectanglePosition_YOffset(modded.dy));
PM3_WRITE_REG(par, PM3Render2D,
((modded.sx > modded.dx) ? PM3Render2D_XPositive : 0) |
@@ -493,8 +498,8 @@ static void pm3fb_copyarea(struct fb_info *info,
PM3Render2D_Operation_Normal |
PM3Render2D_SpanOperation |
PM3Render2D_FBSourceReadEnable |
- (PM3Render2D_Width(modded.width + x_align)) |
- (PM3Render2D_Height(modded.height)));
+ PM3Render2D_Width(modded.width + x_align) |
+ PM3Render2D_Height(modded.height));
}
static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
@@ -504,6 +509,12 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
u32 fgx, bgx;
const u32 *src = (const u32*)image->data;
+ if (info->state != FBINFO_STATE_RUNNING)
+ return;
+ if (info->flags & FBINFO_HWACCEL_DISABLED) {
+ cfb_imageblit(info, image);
+ return;
+ }
switch (info->fix.visual) {
case FB_VISUAL_PSEUDOCOLOR:
fgx = image->fg_color;
@@ -537,7 +548,7 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
PM3Config2D_UserScissorEnable |
PM3Config2D_UseConstantSource |
PM3Config2D_ForegroundROPEnable |
- (PM3Config2D_ForegroundROP(0x3)) |
+ PM3Config2D_ForegroundROP(0x3) |
PM3Config2D_OpaqueSpan |
PM3Config2D_FBWriteEnable);
PM3_WRITE_REG(par, PM3ScissorMinXY,
@@ -546,15 +557,15 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
(((image->dy + image->height) & 0x0fff) << 16) |
((image->dx + image->width) & 0x0fff));
PM3_WRITE_REG(par, PM3RectanglePosition,
- (PM3RectanglePosition_XOffset(image->dx)) |
- (PM3RectanglePosition_YOffset(image->dy)));
+ PM3RectanglePosition_XOffset(image->dx) |
+ PM3RectanglePosition_YOffset(image->dy));
PM3_WRITE_REG(par, PM3Render2D,
PM3Render2D_XPositive |
PM3Render2D_YPositive |
PM3Render2D_Operation_SyncOnBitMask |
PM3Render2D_SpanOperation |
- (PM3Render2D_Width(image->width)) |
- (PM3Render2D_Height(image->height)));
+ PM3Render2D_Width(image->width) |
+ PM3Render2D_Height(image->height));
while (height--) {
@@ -783,7 +794,7 @@ static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
unsigned bpp = var->red.length + var->green.length
+ var->blue.length + var->transp.length;
- if ( bpp != var->bits_per_pixel ) {
+ if (bpp != var->bits_per_pixel) {
/* set predefined mode for bits_per_pixel settings */
switch(var->bits_per_pixel) {
@@ -838,7 +849,7 @@ static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
}
var->xres = (var->xres + 31) & ~31; /* could sometimes be 8 */
- lpitch = var->xres * ((var->bits_per_pixel + 7)>>3);
+ lpitch = var->xres * ((var->bits_per_pixel + 7) >> 3);
if (var->xres < 200 || var->xres > 2048) {
DPRINTK("width not supported: %u\n", var->xres);
@@ -890,15 +901,12 @@ static int pm3fb_set_par(struct fb_info *info)
if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
par->video |= PM3VideoControl_LINE_DOUBLE_ON;
- else
- par->video |= PM3VideoControl_LINE_DOUBLE_OFF;
if ((info->var.activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW)
par->video |= PM3VideoControl_ENABLE;
- else {
- par->video &= ~PM3VideoControl_ENABLE;
+ else
DPRINTK("PM3Video disabled\n");
- }
+
switch (bpp) {
case 8:
par->video |= PM3VideoControl_PIXELSIZE_8BIT;
@@ -916,8 +924,7 @@ static int pm3fb_set_par(struct fb_info *info)
info->fix.visual =
(bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
- info->fix.line_length = ((info->var.xres_virtual + 7) & ~7)
- * bpp / 8;
+ info->fix.line_length = ((info->var.xres_virtual + 7) >> 3) * bpp;
/* pm3fb_clear_memory(info, 0);*/
pm3fb_clear_colormap(par, 0, 0, 0);
@@ -1035,7 +1042,7 @@ static int pm3fb_blank(int blank_mode, struct fb_info *info)
video |= PM3VideoControl_ENABLE;
break;
case FB_BLANK_NORMAL:
- video &= ~(PM3VideoControl_ENABLE);
+ video &= ~PM3VideoControl_ENABLE;
break;
case FB_BLANK_HSYNC_SUSPEND:
video &= ~(PM3VideoControl_HSYNC_MASK |
@@ -1367,4 +1374,5 @@ static void __exit pm3fb_exit(void)
module_init(pm3fb_init);
module_exit(pm3fb_exit);
+MODULE_DESCRIPTION("Permedia3 framebuffer device driver");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 16:03:46 +0000