s3c-fb: correct window osd size and alpha register handling
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@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: InKi Dae <inki.dae@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -103,8 +103,11 @@ struct s3c_fb_variant {
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* struct s3c_fb_win_variant
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* @has_osd_c: Set if has OSD C register.
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* @has_osd_d: Set if has OSD D register.
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* @has_osd_alpha: Set if can change alpha transparency for a window.
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* @palette_sz: Size of palette in entries.
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* @palette_16bpp: Set if palette is 16bits wide.
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* @osd_size_off: If != 0, supports setting up OSD for a window; the appropriate
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* register is located at the given offset from OSD_BASE.
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* @valid_bpp: 1 bit per BPP setting to show valid bits-per-pixel.
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*
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* valid_bpp bit x is set if (x+1)BPP is supported.
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@ -112,7 +115,9 @@ struct s3c_fb_variant {
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struct s3c_fb_win_variant {
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unsigned int has_osd_c:1;
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unsigned int has_osd_d:1;
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unsigned int has_osd_alpha:1;
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unsigned int palette_16bpp:1;
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unsigned short osd_size_off;
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unsigned short palette_sz;
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u32 valid_bpp;
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};
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@ -364,6 +369,36 @@ static int s3c_fb_align_word(unsigned int bpp, unsigned int pix)
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return ALIGN(pix, pix_per_word);
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}
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/**
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* vidosd_set_size() - set OSD size for a window
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*
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* @win: the window to set OSD size for
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* @size: OSD size register value
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*/
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static void vidosd_set_size(struct s3c_fb_win *win, u32 size)
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{
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struct s3c_fb *sfb = win->parent;
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/* OSD can be set up if osd_size_off != 0 for this window */
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if (win->variant.osd_size_off)
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writel(size, sfb->regs + OSD_BASE(win->index, sfb->variant)
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+ win->variant.osd_size_off);
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}
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/**
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* vidosd_set_alpha() - set alpha transparency for a window
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*
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* @win: the window to set OSD size for
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* @alpha: alpha register value
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*/
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static void vidosd_set_alpha(struct s3c_fb_win *win, u32 alpha)
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{
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struct s3c_fb *sfb = win->parent;
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if (win->variant.has_osd_alpha)
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writel(alpha, sfb->regs + VIDOSD_C(win->index, sfb->variant));
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}
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/**
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* shadow_protect_win() - disable updating values from shadow registers at vsync
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*
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@ -408,7 +443,7 @@ static int s3c_fb_set_par(struct fb_info *info)
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void __iomem *regs = sfb->regs;
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void __iomem *buf = regs;
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int win_no = win->index;
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u32 osdc_data = 0;
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u32 alpha = 0;
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u32 data;
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u32 pagewidth;
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int clkdiv;
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@ -511,15 +546,12 @@ static int s3c_fb_set_par(struct fb_info *info)
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data = var->xres * var->yres;
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osdc_data = VIDISD14C_ALPHA1_R(0xf) |
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alpha = VIDISD14C_ALPHA1_R(0xf) |
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VIDISD14C_ALPHA1_G(0xf) |
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VIDISD14C_ALPHA1_B(0xf);
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if (win->variant.has_osd_d) {
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writel(data, regs + VIDOSD_D(win_no, sfb->variant));
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writel(osdc_data, regs + VIDOSD_C(win_no, sfb->variant));
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} else
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writel(data, regs + VIDOSD_C(win_no, sfb->variant));
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vidosd_set_alpha(win, alpha);
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vidosd_set_size(win, data);
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data = WINCONx_ENWIN;
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@ -1442,12 +1474,15 @@ static int s3c_fb_resume(struct platform_device *pdev)
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static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
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[0] = {
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.has_osd_c = 1,
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.osd_size_off = 0x8,
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.palette_sz = 256,
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.valid_bpp = VALID_BPP1248 | VALID_BPP(16) | VALID_BPP(24),
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},
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[1] = {
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.has_osd_c = 1,
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.has_osd_d = 1,
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.osd_size_off = 0x12,
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.has_osd_alpha = 1,
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.palette_sz = 256,
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.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
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VALID_BPP(18) | VALID_BPP(19) |
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@ -1456,6 +1491,8 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
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[2] = {
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.has_osd_c = 1,
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.has_osd_d = 1,
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.osd_size_off = 0x12,
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.has_osd_alpha = 1,
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.palette_sz = 16,
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.palette_16bpp = 1,
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.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
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@ -1464,6 +1501,7 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
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},
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[3] = {
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.has_osd_c = 1,
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.has_osd_alpha = 1,
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.palette_sz = 16,
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.palette_16bpp = 1,
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.valid_bpp = (VALID_BPP124 | VALID_BPP(16) |
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@ -1472,6 +1510,7 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
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},
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[4] = {
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.has_osd_c = 1,
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.has_osd_alpha = 1,
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.palette_sz = 4,
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.palette_16bpp = 1,
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.valid_bpp = (VALID_BPP(1) | VALID_BPP(2) |
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@ -1597,6 +1636,7 @@ static struct s3c_fb_driverdata s3c_fb_data_s3c2443 __devinitdata = {
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},
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.win[1] = &(struct s3c_fb_win_variant) {
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.has_osd_c = 1,
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.has_osd_alpha = 1,
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.palette_sz = 256,
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.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
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VALID_BPP(18) | VALID_BPP(19) |
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