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authorKrzysztof Helt <krzysztof.h1@wp.pl>2007-10-16 10:29:00 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 18:43:17 +0200
commit93d11f5a15020a514e522e678b2b3e7a1bc01f86 (patch)
treef70e94a82e8a43ab5308f36b9658ce6aa0a06a70 /drivers/video/s3c2410fb.c
parents3c2410fb: use vertical margins values (diff)
downloadlinux-93d11f5a15020a514e522e678b2b3e7a1bc01f86.tar.xz
linux-93d11f5a15020a514e522e678b2b3e7a1bc01f86.zip
s3c2410fb: add pulse length fields to s3c2410fb_display
This patch adds synchronization pulse lenght fields to the s3c2410fb_display structure and makes use of them in the driver. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/s3c2410fb.c')
-rw-r--r--drivers/video/s3c2410fb.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index a30d538bc8c1..43749bd1fd67 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -290,6 +290,7 @@ static void s3c2410fb_calculate_stn_lcd_regs(const struct fb_info *info,
int type = regs->lcdcon1 & ~S3C2410_LCDCON1_TFT;
int hs = var->xres >> 2;
unsigned wdly = (var->left_margin >> 4) - 1;
+ unsigned wlh = (var->hsync_len >> 4) - 1;
dprintk("%s: var->xres = %d\n", __FUNCTION__, var->xres);
dprintk("%s: var->yres = %d\n", __FUNCTION__, var->yres);
@@ -333,9 +334,15 @@ static void s3c2410fb_calculate_stn_lcd_regs(const struct fb_info *info,
if (wdly > 3)
wdly = 3;
+ if (wlh > 3)
+ wlh = 3;
+
regs->lcdcon3 = S3C2410_LCDCON3_WDLY(wdly) |
S3C2410_LCDCON3_LINEBLANK(var->right_margin / 8) |
S3C2410_LCDCON3_HOZVAL(hs - 1);
+
+ regs->lcdcon4 &= ~S3C2410_LCDCON4_HSPW(0xff);
+ regs->lcdcon4 |= S3C2410_LCDCON4_HSPW(wlh);
}
/* s3c2410fb_calculate_tft_lcd_regs
@@ -383,14 +390,17 @@ static void s3c2410fb_calculate_tft_lcd_regs(const struct fb_info *info,
dprintk("setting horz: lft=%d, rt=%d, sync=%d\n",
var->left_margin, var->right_margin, var->hsync_len);
- regs->lcdcon2 &= S3C2410_LCDCON2_VSPW(0x3f);
- regs->lcdcon2 |= S3C2410_LCDCON2_LINEVAL(var->yres - 1);
- regs->lcdcon2 |= S3C2410_LCDCON2_VBPD(var->upper_margin - 1);
- regs->lcdcon2 |= S3C2410_LCDCON2_VFPD(var->lower_margin - 1);
+ regs->lcdcon2 = S3C2410_LCDCON2_LINEVAL(var->yres - 1) |
+ S3C2410_LCDCON2_VBPD(var->upper_margin - 1) |
+ S3C2410_LCDCON2_VFPD(var->lower_margin - 1) |
+ S3C2410_LCDCON2_VSPW(var->vsync_len - 1);
regs->lcdcon3 = S3C2410_LCDCON3_HBPD(var->right_margin - 1) |
S3C2410_LCDCON3_HFPD(var->left_margin - 1) |
S3C2410_LCDCON3_HOZVAL(var->xres - 1);
+
+ regs->lcdcon4 &= ~S3C2410_LCDCON4_HSPW(0xff);
+ regs->lcdcon4 |= S3C2410_LCDCON4_HSPW(var->hsync_len - 1);
}
/* s3c2410fb_activate_var
@@ -410,16 +420,6 @@ static void s3c2410fb_activate_var(struct fb_info *info)
fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_TFT;
fbi->regs.lcdcon1 |= display->type;
- /* check to see if we need to update sync/borders */
-
- if (!mach_info->fixed_syncs) {
- fbi->regs.lcdcon2 =
- S3C2410_LCDCON2_VSPW(var->vsync_len - 1);
-
- fbi->regs.lcdcon4 &= ~S3C2410_LCDCON4_HSPW(0xff);
- fbi->regs.lcdcon4 |= S3C2410_LCDCON4_HSPW(var->hsync_len - 1);
- }
-
if (var->pixclock > 0) {
int clkdiv = s3c2410fb_calc_pixclk(fbi, var->pixclock);
@@ -890,10 +890,8 @@ static int __init s3c2410fb_probe(struct platform_device *pdev)
fbinfo->var.upper_margin = display->upper_margin;
fbinfo->var.lower_margin = display->lower_margin;
- fbinfo->var.vsync_len =
- S3C2410_LCDCON2_GET_VSPW(display->lcdcon2) + 1;
- fbinfo->var.hsync_len =
- S3C2410_LCDCON4_GET_HSPW(display->lcdcon4) + 1;
+ fbinfo->var.vsync_len = display->vsync_len;
+ fbinfo->var.hsync_len = display->hsync_len;
fbinfo->var.red.offset = 11;
fbinfo->var.green.offset = 5;