diff options
| author | Krzysztof Helt <krzysztof.h1@wp.pl> | 2007-10-16 01:29:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 09:43:17 -0700 |
| commit | 93d11f5a15020a514e522e678b2b3e7a1bc01f86 (patch) | |
| tree | f70e94a82e8a43ab5308f36b9658ce6aa0a06a70 /drivers/video/s3c2410fb.c | |
| parent | 3c9ffd0501157b38599b5bb7711366913f633f88 (diff) | |
| download | kernel_samsung_smdk4412-93d11f5a15020a514e522e678b2b3e7a1bc01f86.tar.gz kernel_samsung_smdk4412-93d11f5a15020a514e522e678b2b3e7a1bc01f86.tar.bz2 kernel_samsung_smdk4412-93d11f5a15020a514e522e678b2b3e7a1bc01f86.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.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c index a30d538bc8c..43749bd1fd6 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; |