diff options
author | Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> | 2008-11-21 05:34:25 (GMT) |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-12-22 09:42:54 (GMT) |
commit | 679dc3c92ca7894c3df70ee3333ff9878e7d90b9 (patch) | |
tree | 5537cbc3c53cbfb40f0975bdebec6b9f919b9995 /drivers/video | |
parent | f617682e9cabd5616dc2fe53c67762790eeb14d3 (diff) | |
download | linux-fsl-qoriq-679dc3c92ca7894c3df70ee3333ff9878e7d90b9.tar.xz |
sh: sh7760fb: Fix color pallette setting
The setting of the color palette was wrong, fixed it.
And removed fb_setcmap, and added fb_setcolreg function.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/sh7760fb.c | 86 |
1 files changed, 19 insertions, 67 deletions
diff --git a/drivers/video/sh7760fb.c b/drivers/video/sh7760fb.c index 8d0212d..653bdfe 100644 --- a/drivers/video/sh7760fb.c +++ b/drivers/video/sh7760fb.c @@ -13,6 +13,8 @@ * * Thanks to Siegfried Schaefer <s.schaefer at schaefer-edv.de> * for his original source and testing! + * + * sh7760_setcolreg get from drivers/video/sh_mobile_lcdcfb.c */ #include <linux/completion.h> @@ -53,29 +55,6 @@ static irqreturn_t sh7760fb_irq(int irq, void *data) return IRQ_HANDLED; } -static void sh7760fb_wait_vsync(struct fb_info *info) -{ - struct sh7760fb_par *par = info->par; - - if (par->pd->novsync) - return; - - iowrite16(ioread16(par->base + LDINTR) & ~VINT_CHECK, - par->base + LDINTR); - - if (par->irq < 0) { - /* poll for vert. retrace: status bit is sticky */ - while (!(ioread16(par->base + LDINTR) & VINT_CHECK)) - cpu_relax(); - } else { - /* a "wait_for_irq_event(par->irq)" would be extremely nice */ - init_completion(&par->vsync); - enable_irq(par->irq); - wait_for_completion(&par->vsync); - disable_irq_nosync(par->irq); - } -} - /* wait_for_lps - wait until power supply has reached a certain state. */ static int wait_for_lps(struct sh7760fb_par *par, int val) { @@ -117,55 +96,28 @@ static int sh7760fb_blank(int blank, struct fb_info *info) return wait_for_lps(par, lps); } -/* set color registers */ -static int sh7760fb_setcmap(struct fb_cmap *cmap, struct fb_info *info) +static int sh7760_setcolreg (u_int regno, + u_int red, u_int green, u_int blue, + u_int transp, struct fb_info *info) { - struct sh7760fb_par *par = info->par; - u32 s = cmap->start; - u32 l = cmap->len; - u16 *r = cmap->red; - u16 *g = cmap->green; - u16 *b = cmap->blue; - u32 col, tmo; - int ret; + u32 *palette = info->pseudo_palette; - ret = 0; + if (regno >= 16) + return -EINVAL; - sh7760fb_wait_vsync(info); + /* only FB_VISUAL_TRUECOLOR supported */ - /* request palette access */ - iowrite16(LDPALCR_PALEN, par->base + LDPALCR); + red >>= 16 - info->var.red.length; + green >>= 16 - info->var.green.length; + blue >>= 16 - info->var.blue.length; + transp >>= 16 - info->var.transp.length; - /* poll for access grant */ - tmo = 100; - while (!(ioread16(par->base + LDPALCR) & LDPALCR_PALS) && (--tmo)) - cpu_relax(); + palette[regno] = (red << info->var.red.offset) | + (green << info->var.green.offset) | + (blue << info->var.blue.offset) | + (transp << info->var.transp.offset); - if (!tmo) { - ret = 1; - dev_dbg(info->dev, "no palette access!\n"); - goto out; - } - - while (l && (s < 256)) { - col = ((*r) & 0xff) << 16; - col |= ((*g) & 0xff) << 8; - col |= ((*b) & 0xff); - col &= SH7760FB_PALETTE_MASK; - iowrite32(col, par->base + LDPR(s)); - - if (s < 16) - ((u32 *) (info->pseudo_palette))[s] = s; - - s++; - l--; - r++; - g++; - b++; - } -out: - iowrite16(0, par->base + LDPALCR); - return ret; + return 0; } static void encode_fix(struct fb_fix_screeninfo *fix, struct fb_info *info, @@ -406,7 +358,7 @@ static struct fb_ops sh7760fb_ops = { .owner = THIS_MODULE, .fb_blank = sh7760fb_blank, .fb_check_var = sh7760fb_check_var, - .fb_setcmap = sh7760fb_setcmap, + .fb_setcolreg = sh7760_setcolreg, .fb_set_par = sh7760fb_set_par, .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, |