From: Pawel Osciak <p.osciak@xxxxxxxxxxx>
S3C64xx and S5P OSD registers for OSD size and alpha are as follows:
VIDOSDC: win 0 - size, win 1-4: alpha
VIDOSDD: win 1-2 - size; not present for windows 0, 3 and 4
Signed-off-by: Pawel Osciak <p.osciak@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
drivers/video/s3c-fb.c | 58 ++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 51 insertions(+), 7 deletions(-)
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 5e14f0a..f098bd1 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -64,6 +64,9 @@ struct s3c_fb;
#define VIDOSD_B(win, variant) (OSD_BASE(win, variant) + 0x04)
#define VIDOSD_C(win, variant) (OSD_BASE(win, variant) + 0x08)
#define VIDOSD_D(win, variant) (OSD_BASE(win, variant) + 0x0C)
+#define VIDOSD_SIZE(win, variant, win_variant) \
+ (OSD_BASE(win, variant) + (win_variant).osd_size_off)
+#define VIDOSD_ALPHA(win, variant, win_variant) VIDOSD_C(win, variant)
/**
* struct s3c_fb_variant - fb variant information
@@ -112,7 +115,10 @@ struct s3c_fb_variant {
struct s3c_fb_win_variant {
unsigned int has_osd_c:1;
unsigned int has_osd_d:1;
+ unsigned int has_osd_size:1;
+ unsigned int has_osd_alpha:1;
unsigned int palette_16bpp:1;
+ unsigned short osd_size_off;
unsigned short palette_sz;
u32 valid_bpp;
};
@@ -365,6 +371,36 @@ static int s3c_fb_align_word(unsigned int bpp, unsigned int pix)
}
/**
+ * vidosd_set_size() - set OSD size for a window
+ *
+ * @win: the window to set OSD size for
+ * @size: OSD size register value
+ */
+static void vidosd_set_size(struct s3c_fb_win *win, u32 size)
+{
+ struct s3c_fb *sfb = win->parent;
+
+ if (win->variant.has_osd_size)
+ writel(size, sfb->regs + VIDOSD_SIZE(win->index, sfb->variant,
+ win->variant));
+}
+
+/**
+ * vidosd_set_alpha() - set alpha transparency for a window
+ *
+ * @win: the window to set OSD size for
+ * @alpha: alpha register value
+ */
+static void vidosd_set_alpha(struct s3c_fb_win *win, u32 alpha)
+{
+ struct s3c_fb *sfb = win->parent;
+
+ if (win->variant.has_osd_alpha)
+ writel(alpha, sfb->regs + VIDOSD_ALPHA(win->index,
+ sfb->variant, win->variant));
+}
+
+/**
* s3c_fb_set_par() - framebuffer request to set new framebuffer state.
* @info: The framebuffer to change.
*
@@ -378,7 +414,7 @@ static int s3c_fb_set_par(struct fb_info *info)
void __iomem *regs = sfb->regs;
void __iomem *buf = regs;
int win_no = win->index;
- u32 osdc_data = 0;
+ u32 alpha = 0;
u32 data;
u32 pagewidth;
int clkdiv;
@@ -481,15 +517,12 @@ static int s3c_fb_set_par(struct fb_info *info)
data = var->xres * var->yres;
- osdc_data = VIDISD14C_ALPHA1_R(0xf) |
+ alpha = VIDISD14C_ALPHA1_R(0xf) |
VIDISD14C_ALPHA1_G(0xf) |
VIDISD14C_ALPHA1_B(0xf);
- if (win->variant.has_osd_d) {
- writel(data, regs + VIDOSD_D(win_no, sfb->variant));
- writel(osdc_data, regs + VIDOSD_C(win_no, sfb->variant));
- } else
- writel(data, regs + VIDOSD_C(win_no, sfb->variant));
+ vidosd_set_alpha(win, alpha);
+ vidosd_set_size(win, data);
data = WINCONx_ENWIN;
@@ -1452,12 +1485,17 @@ static int s3c_fb_resume(struct platform_device *pdev)
static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
[0] = {
.has_osd_c = 1,
+ .has_osd_size = 1,
+ .osd_size_off = 0x8,
.palette_sz = 256,
.valid_bpp = VALID_BPP1248 | VALID_BPP(16) | VALID_BPP(24),
},
[1] = {
.has_osd_c = 1,
.has_osd_d = 1,
+ .has_osd_size = 1,
+ .osd_size_off = 0x12,
+ .has_osd_alpha = 1,
.palette_sz = 256,
.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
VALID_BPP(18) | VALID_BPP(19) |
@@ -1466,6 +1504,9 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
[2] = {
.has_osd_c = 1,
.has_osd_d = 1,
+ .has_osd_size = 1,
+ .osd_size_off = 0x12,
+ .has_osd_alpha = 1,
.palette_sz = 16,
.palette_16bpp = 1,
.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
@@ -1474,6 +1515,7 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
},
[3] = {
.has_osd_c = 1,
+ .has_osd_alpha = 1,
.palette_sz = 16,
.palette_16bpp = 1,
.valid_bpp = (VALID_BPP124 | VALID_BPP(16) |
@@ -1482,6 +1524,7 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
},
[4] = {
.has_osd_c = 1,
+ .has_osd_alpha = 1,
.palette_sz = 4,
.palette_16bpp = 1,
.valid_bpp = (VALID_BPP(1) | VALID_BPP(2) |
@@ -1607,6 +1650,7 @@ static struct s3c_fb_driverdata s3c_fb_data_s3c2443 __devinitdata = {
},
.win[1] = &(struct s3c_fb_win_variant) {
.has_osd_c = 1,
+ .has_osd_alpha = 1,
.palette_sz = 256,
.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
VALID_BPP(18) | VALID_BPP(19) |
--
1.7.1.240.g225c
--
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