static int parse_fb_win_variant(struct device_node *np, char *node_name,
struct s3c_fb_win_variant *pvar)
{
u32 temp;
int ret = 0;
struct device_node *np_fbwin;
np_fbwin = of_find_node_by_name(np, node_name);
if (!np_fbwin) {
pr_err("%s: could not find fb_win_variant node\n",
node_name);
return -EINVAL;
}
DT_READ_U32_OPTIONAL(np_fbwin, "has_osd_c", pvar->has_osd_c);
DT_READ_U32_OPTIONAL(np_fbwin, "has_osd_d", pvar->has_osd_d);
DT_READ_U32_OPTIONAL(np_fbwin, "has_osd_alpha", pvar->has_osd_alpha);
DT_READ_U32_OPTIONAL(np_fbwin, "osd_size_off", pvar->osd_size_off);
DT_READ_U32_OPTIONAL(np_fbwin, "palette_size", pvar->palette_sz);
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_1248",
pvar->valid_bpp, VALID_BPP1248);
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_13",
pvar->valid_bpp, VALID_BPP(13));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_15",
pvar->valid_bpp, VALID_BPP(15));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_16",
pvar->valid_bpp, VALID_BPP(16));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_18",
pvar->valid_bpp, VALID_BPP(18));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_19",
pvar->valid_bpp, VALID_BPP(19));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_24",
pvar->valid_bpp, VALID_BPP(24));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_25",
pvar->valid_bpp, VALID_BPP(25));
DT_READ_U32_SETBITS(np_fbwin, "VALID_BPP_32",
pvar->valid_bpp, VALID_BPP(32));
return ret;
}
/**
* s3c_fb_validate_win_bpp - validate the bits-per-pixel for this mode.
* @win: The device window.
* @bpp: The bit depth.
*/
static bool s3c_fb_validate_win_bpp(struct s3c_fb_win *win, unsigned int bpp)
{
return win->variant.valid_bpp & VALID_BPP(bpp);
}