void fimg2d4x_set_msk_scaling(struct fimg2d_control *info, struct fimg2d_scale *s)
{
int src_w, src_h, dst_w, dst_h;
unsigned long wcfg, hcfg;
unsigned long mode;
/* scaling algorithm */
if (s->mode == SCALING_NEAREST)
mode = FIMG2D_SCALE_MODE_NEAREST;
else
mode = FIMG2D_SCALE_MODE_BILINEAR;
writel(mode, info->regs + FIMG2D_MSK_SCALE_CTRL_REG);
if (s->factor == SCALING_PERCENTAGE) {
/*
* percental scaling factor
* e.g scale-up: 200% --> msk scaling factor: 0.5 (0x000080000)
* e.g scale-down: 50% --> msk scaling factor: 2.0 (0x00020000)
*/
src_w = 100;
src_h = 100;
dst_w = s->scale_w;
dst_h = s->scale_h;
} else {
/*
* pixels scaling factor
* e.g scale-up: src(1,1)-->dst(2,2), msk scaling factor: 0.5 (0x000080000)
* e.g scale-down: src(2,2)-->dst(1,1), msk scaling factor: 2.0 (0x000200000)
*/
src_w = s->src_w * 100;
src_h = s->src_h * 100;
dst_w = s->dst_w * 100;
dst_h = s->dst_h * 100;
}
/* inversed scaling factor: src is numerator */
wcfg = scale_factor_to_fixed16(src_w, dst_w);
hcfg = scale_factor_to_fixed16(src_h, dst_h);
writel(wcfg, info->regs + FIMG2D_MSK_XSCALE_REG);
writel(hcfg, info->regs + FIMG2D_MSK_YSCALE_REG);
}
void fimg2d4x_set_msk_scaling(struct fimg2d_control *info,
struct fimg2d_scale *scl,
struct fimg2d_repeat *rep)
{
unsigned long wcfg, hcfg;
unsigned long mode;
/*
* scaling ratio in pixels
* e.g scale-up: src(1,1)-->dst(2,2), msk factor: 0.5 (0x000080000)
* scale-down: src(2,2)-->dst(1,1), msk factor: 2.0 (0x000200000)
*/
/* inversed scaling factor: src is numerator */
wcfg = scale_factor_to_fixed16(scl->src_w, scl->dst_w);
hcfg = scale_factor_to_fixed16(scl->src_h, scl->dst_h);
if (wcfg == DEFAULT_SCALE_RATIO && hcfg == DEFAULT_SCALE_RATIO)
return;
wr(wcfg, FIMG2D_MSK_XSCALE_REG);
wr(hcfg, FIMG2D_MSK_YSCALE_REG);
/* scaling algorithm */
if (scl->mode == SCALING_NEAREST)
mode = FIMG2D_SCALE_MODE_NEAREST;
else {
/* 0x3: ignore repeat mode at boundary */
if (rep->mode == REPEAT_PAD || rep->mode == REPEAT_CLAMP)
mode = 0x3; /* hidden */
else
mode = FIMG2D_SCALE_MODE_BILINEAR;
}
wr(mode, FIMG2D_MSK_SCALE_CTRL_REG);
}
