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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.c152
1 files changed, 82 insertions, 70 deletions
diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c
index 195bcdbc66b..1c41a4e5bc9 100644
--- a/drivers/video/pm3fb.c
+++ b/drivers/video/pm3fb.c
@@ -44,9 +44,10 @@
#undef PM3FB_MASTER_DEBUG
#ifdef PM3FB_MASTER_DEBUG
-#define DPRINTK(a,b...) printk(KERN_DEBUG "pm3fb: %s: " a, __FUNCTION__ , ## b)
+#define DPRINTK(a, b...) \
+ printk(KERN_DEBUG "pm3fb: %s: " a, __FUNCTION__ , ## b)
#else
-#define DPRINTK(a,b...)
+#define DPRINTK(a, b...)
#endif
#define PM3_PIXMAP_SIZE (2048 * 4)
@@ -55,11 +56,11 @@
* Driver data
*/
static char *mode_option __devinitdata;
-static int noaccel __devinitdata = 0;
+static int noaccel __devinitdata;
/* mtrr option */
#ifdef CONFIG_MTRR
-static int nomtrr __devinitdata = 0;
+static int nomtrr __devinitdata;
#endif
/*
@@ -72,7 +73,7 @@ static int nomtrr __devinitdata = 0;
struct pm3_par {
unsigned char __iomem *v_regs;/* virtual address of p_regs */
u32 video; /* video flags before blanking */
- u32 base; /* screen base (xoffset+yoffset) in 128 bits unit */
+ u32 base; /* screen base in 128 bits unit */
u32 palette[16];
int mtrr_handle;
};
@@ -376,7 +377,7 @@ static void pm3fb_init_engine(struct fb_info *info)
pm3fb_sync(info);
}
-static void pm3fb_fillrect (struct fb_info *info,
+static void pm3fb_fillrect(struct fb_info *info,
const struct fb_fillrect *region)
{
struct pm3_par *par = info->par;
@@ -384,7 +385,7 @@ static void pm3fb_fillrect (struct fb_info *info,
int vxres, vyres;
int rop;
u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ?
- ((u32*)info->pseudo_palette)[region->color] : region->color;
+ ((u32 *)info->pseudo_palette)[region->color] : region->color;
if (info->state != FBINFO_STATE_RUNNING)
return;
@@ -403,18 +404,18 @@ static void pm3fb_fillrect (struct fb_info *info,
memcpy(&modded, region, sizeof(struct fb_fillrect));
- if(!modded.width || !modded.height ||
- modded.dx >= vxres || modded.dy >= vyres)
+ if (!modded.width || !modded.height ||
+ modded.dx >= vxres || modded.dy >= vyres)
return;
- if(modded.dx + modded.width > vxres)
+ if (modded.dx + modded.width > vxres)
modded.width = vxres - modded.dx;
- if(modded.dy + modded.height > vyres)
+ if (modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
- if(info->var.bits_per_pixel == 8)
+ if (info->var.bits_per_pixel == 8)
color |= color << 8;
- if(info->var.bits_per_pixel <= 16)
+ if (info->var.bits_per_pixel <= 16)
color |= color << 16;
PM3_WAIT(par, 4);
@@ -460,18 +461,18 @@ static void pm3fb_copyarea(struct fb_info *info,
vxres = info->var.xres_virtual;
vyres = info->var.yres_virtual;
- if(!modded.width || !modded.height ||
- modded.sx >= vxres || modded.sy >= vyres ||
- modded.dx >= vxres || modded.dy >= vyres)
+ if (!modded.width || !modded.height ||
+ modded.sx >= vxres || modded.sy >= vyres ||
+ modded.dx >= vxres || modded.dy >= vyres)
return;
- if(modded.sx + modded.width > vxres)
+ if (modded.sx + modded.width > vxres)
modded.width = vxres - modded.sx;
- if(modded.dx + modded.width > vxres)
+ if (modded.dx + modded.width > vxres)
modded.width = vxres - modded.dx;
- if(modded.sy + modded.height > vyres)
+ if (modded.sy + modded.height > vyres)
modded.height = vyres - modded.sy;
- if(modded.dy + modded.height > vyres)
+ if (modded.dy + modded.height > vyres)
modded.height = vyres - modded.dy;
o_x = modded.sx - modded.dx; /*(sx > dx ) ? (sx - dx) : (dx - sx); */
@@ -517,7 +518,7 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
struct pm3_par *par = info->par;
u32 height = image->height;
u32 fgx, bgx;
- const u32 *src = (const u32*)image->data;
+ const u32 *src = (const u32 *)image->data;
if (info->state != FBINFO_STATE_RUNNING)
return;
@@ -526,19 +527,19 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
return;
}
switch (info->fix.visual) {
- case FB_VISUAL_PSEUDOCOLOR:
- fgx = image->fg_color;
- bgx = image->bg_color;
- break;
- case FB_VISUAL_TRUECOLOR:
- default:
- fgx = par->palette[image->fg_color];
- bgx = par->palette[image->bg_color];
- break;
+ case FB_VISUAL_PSEUDOCOLOR:
+ fgx = image->fg_color;
+ bgx = image->bg_color;
+ break;
+ case FB_VISUAL_TRUECOLOR:
+ default:
+ fgx = par->palette[image->fg_color];
+ bgx = par->palette[image->bg_color];
+ break;
}
- if (image->depth != 1) {
+ if (image->depth != 1)
return cfb_imageblit(info, image);
- }
+
if (info->var.bits_per_pixel == 8) {
fgx |= fgx << 8;
bgx |= bgx << 8;
@@ -607,7 +608,8 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image)
static void pm3fb_write_mode(struct fb_info *info)
{
struct pm3_par *par = info->par;
- char tempsync = 0x00, tempmisc = 0x00;
+ char tempsync = 0x00;
+ char tempmisc = 0x00;
const u32 hsstart = info->var.right_margin;
const u32 hsend = hsstart + info->var.hsync_len;
const u32 hbend = hsend + info->var.left_margin;
@@ -807,44 +809,54 @@ static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
if (bpp != var->bits_per_pixel) {
/* set predefined mode for bits_per_pixel settings */
- switch(var->bits_per_pixel) {
+ switch (var->bits_per_pixel) {
case 8:
- var->red.length = var->green.length = var->blue.length = 8;
- var->red.offset = var->green.offset = var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ var->red.offset = 0;
+ var->green.offset = 0;
+ var->blue.offset = 0;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 16:
- var->red.length = var->blue.length = 5;
+ var->red.length = 5;
+ var->blue.length = 5;
var->green.length = 6;
var->transp.length = 0;
break;
case 32:
- var->red.length = var->green.length = var->blue.length = 8;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
var->transp.length = 8;
break;
default:
- DPRINTK("depth not supported: %u\n", var->bits_per_pixel);
+ DPRINTK("depth not supported: %u\n",
+ var->bits_per_pixel);
return -EINVAL;
}
}
/* it is assumed BGRA order */
- if (var->bits_per_pixel > 8 )
- {
+ if (var->bits_per_pixel > 8 ) {
var->blue.offset = 0;
var->green.offset = var->blue.length;
var->red.offset = var->green.offset + var->green.length;
var->transp.offset = var->red.offset + var->red.length;
}
- var->height = var->width = -1;
+ var->height = -1;
+ var->width = -1;
if (var->xres != var->xres_virtual) {
- DPRINTK("virtual x resolution != physical x resolution not supported\n");
+ DPRINTK("virtual x resolution != "
+ "physical x resolution not supported\n");
return -EINVAL;
}
if (var->yres > var->yres_virtual) {
- DPRINTK("virtual y resolution < physical y resolution not possible\n");
+ DPRINTK("virtual y resolution < "
+ "physical y resolution not possible\n");
return -EINVAL;
}
@@ -878,7 +890,8 @@ static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
}
if (PICOS2KHZ(var->pixclock) > PM3_MAX_PIXCLOCK) {
- DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock));
+ DPRINTK("pixclock too high (%ldKHz)\n",
+ PICOS2KHZ(var->pixclock));
return -EINVAL;
}
@@ -895,7 +908,7 @@ static int pm3fb_set_par(struct fb_info *info)
const u32 xres = (info->var.xres + 31) & ~31;
const unsigned bpp = info->var.bits_per_pixel;
- par->base = pm3fb_shift_bpp(bpp,(info->var.yoffset * xres)
+ par->base = pm3fb_shift_bpp(bpp, (info->var.yoffset * xres)
+ info->var.xoffset);
par->video = 0;
@@ -954,10 +967,9 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green,
return -EINVAL;
/* grayscale works only partially under directcolor */
- if (info->var.grayscale) {
- /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ /* grayscale = 0.30*R + 0.59*G + 0.11*B */
+ if (info->var.grayscale)
red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8;
- }
/* Directcolor:
* var->{color}.offset contains start of bitfield
@@ -971,8 +983,8 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green,
*
* Pseudocolor:
* var->{color}.offset is 0
- * var->{color}.length contains width of DAC or the number of unique
- * colors available (color depth)
+ * var->{color}.length contains width of DAC or the number
+ * of unique colors available (color depth)
* pseudo_palette is not used
* RAMDAC[X] is programmed to (red, green, blue)
* color depth = var->{color}.length
@@ -982,7 +994,7 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green,
* This is the point where the color is converted to something that
* is acceptable by the hardware.
*/
-#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
+#define CNVT_TOHW(val, width) ((((val) << (width)) + 0x7FFF - (val)) >> 16)
red = CNVT_TOHW(red, info->var.red.length);
green = CNVT_TOHW(green, info->var.green.length);
blue = CNVT_TOHW(blue, info->var.blue.length);
@@ -1006,12 +1018,11 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green,
break;
case 16:
case 32:
- ((u32*)(info->pseudo_palette))[regno] = v;
+ ((u32 *)(info->pseudo_palette))[regno] = v;
break;
}
return 0;
- }
- else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
+ } else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR)
pm3fb_set_color(par, regno, red, green, blue);
return 0;
@@ -1073,7 +1084,7 @@ static int pm3fb_blank(int blank_mode, struct fb_info *info)
}
PM3_WAIT(par, 1);
- PM3_WRITE_REG(par,PM3VideoControl, video);
+ PM3_WRITE_REG(par, PM3VideoControl, video);
return 0;
}
@@ -1104,7 +1115,8 @@ static struct fb_ops pm3fb_ops = {
/* the pm3fb_fix.smem_start is also set */
static unsigned long pm3fb_size_memory(struct pm3_par *par)
{
- unsigned long memsize = 0, tempBypass, i, temp1, temp2;
+ unsigned long memsize = 0;
+ unsigned long tempBypass, i, temp1, temp2;
unsigned char __iomem *screen_mem;
pm3fb_fix.smem_len = 64 * 1024l * 1024; /* request full aperture size */
@@ -1132,7 +1144,9 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par)
PM3_WAIT(par, 1);
PM3_WRITE_REG(par, PM3MemBypassWriteMask, 0xFFFFFFFF);
- /* pm3 split up memory, replicates, and do a lot of nasty stuff IMHO ;-) */
+ /* pm3 split up memory, replicates, and do a lot of
+ * nasty stuff IMHO ;-)
+ */
for (i = 0; i < 32; i++) {
fb_writel(i * 0x00345678,
(screen_mem + (i * 1048576)));
@@ -1189,8 +1203,9 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
{
struct fb_info *info;
struct pm3_par *par;
- struct device* device = &dev->dev; /* for pci drivers */
- int err, retval = -ENXIO;
+ struct device *device = &dev->dev; /* for pci drivers */
+ int err;
+ int retval = -ENXIO;
err = pci_enable_device(dev);
if (err) {
@@ -1235,8 +1250,7 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
/* Linear frame buffer - request region and map it. */
pm3fb_fix.smem_start = pci_resource_start(dev, 1);
pm3fb_fix.smem_len = pm3fb_size_memory(par);
- if (!pm3fb_fix.smem_len)
- {
+ if (!pm3fb_fix.smem_len) {
printk(KERN_WARNING "pm3fb: Can't find memory on board.\n");
goto err_exit_mmio;
}
@@ -1255,11 +1269,10 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
info->screen_size = pm3fb_fix.smem_len;
#ifdef CONFIG_MTRR
- if (!nomtrr) {
+ if (!nomtrr)
par->mtrr_handle = mtrr_add(pm3fb_fix.smem_start,
pm3fb_fix.smem_len,
MTRR_TYPE_WRCOMB, 1);
- }
#endif
info->fbops = &pm3fb_ops;
@@ -1275,8 +1288,8 @@ static int __devinit pm3fb_probe(struct pci_dev *dev,
FBINFO_HWACCEL_FILLRECT;
if (noaccel) {
- printk(KERN_DEBUG "disabling acceleration\n");
- info->flags |= FBINFO_HWACCEL_DISABLED;
+ printk(KERN_DEBUG "disabling acceleration\n");
+ info->flags |= FBINFO_HWACCEL_DISABLED;
}
info->pixmap.addr = kmalloc(PM3_PIXMAP_SIZE, GFP_KERNEL);
if (!info->pixmap.addr) {
@@ -1403,15 +1416,14 @@ static int __init pm3fb_setup(char *options)
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt)
continue;
- else if (!strncmp(this_opt, "noaccel", 7)) {
+ else if (!strncmp(this_opt, "noaccel", 7))
noaccel = 1;
#ifdef CONFIG_MTRR
- } else if (!strncmp(this_opt, "nomtrr", 6)) {
+ else if (!strncmp(this_opt, "nomtrr", 6))
nomtrr = 1;
#endif
- } else {
+ else
mode_option = this_opt;
- }
}
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 20:42:42 +0000