void gsc_check_src_scale_info(struct gsc_variant *var,
struct gsc_frame *s_frame, u32 *wratio,
u32 tx, u32 ty, u32 *hratio)
{
int remainder = 0, walign, halign;
if (is_yuv420(s_frame->fmt->color)) {
walign = GSC_SC_ALIGN_4;
halign = GSC_SC_ALIGN_4;
} else if (is_yuv422(s_frame->fmt->color)) {
walign = GSC_SC_ALIGN_4;
halign = GSC_SC_ALIGN_2;
} else {
walign = GSC_SC_ALIGN_2;
halign = GSC_SC_ALIGN_2;
}
remainder = s_frame->crop.width % (*wratio * walign);
if (remainder) {
s_frame->crop.width -= remainder;
gsc_cal_prescaler_ratio(var, s_frame->crop.width, tx, wratio);
pr_info("cropped src width size is recalculated from %d to %d",
s_frame->crop.width + remainder, s_frame->crop.width);
}
remainder = s_frame->crop.height % (*hratio * halign);
if (remainder) {
s_frame->crop.height -= remainder;
gsc_cal_prescaler_ratio(var, s_frame->crop.height, ty, hratio);
pr_info("cropped src height size is recalculated from %d to %d",
s_frame->crop.height + remainder, s_frame->crop.height);
}
}
static int gsc_capture_scaler_info(struct gsc_ctx *ctx)
{
struct gsc_frame *s_frame = &ctx->s_frame;
struct gsc_frame *d_frame = &ctx->d_frame;
struct gsc_variant *variant = ctx->gsc_dev->variant;
struct gsc_scaler *sc = &ctx->scaler;
gsc_cal_prescaler_ratio(variant, s_frame->crop.width, d_frame->crop.width,
&sc->pre_hratio);
gsc_cal_prescaler_ratio(variant, s_frame->crop.height, d_frame->crop.height,
&sc->pre_vratio);
gsc_get_prescaler_shfactor(sc->pre_hratio, sc->pre_vratio,
&sc->pre_shfactor);
sc->main_hratio = (s_frame->crop.width << 16) / d_frame->crop.width;
sc->main_vratio = (s_frame->crop.height << 16) / d_frame->crop.height;
gsc_dbg("src width : %d, src height : %d, dst width : %d,\
dst height : %d", s_frame->crop.width, s_frame->crop.height,\
d_frame->crop.width, d_frame->crop.height);
gsc_dbg("pre_hratio : 0x%x, pre_vratio : 0x%x, main_hratio : 0x%lx,\
main_vratio : 0x%lx", sc->pre_hratio,\
sc->pre_vratio, sc->main_hratio, sc->main_vratio);
return 0;
}
int gsc_set_scaler_info(struct gsc_ctx *ctx)
{
struct gsc_scaler *sc = &ctx->scaler;
struct gsc_frame *s_frame = &ctx->s_frame;
struct gsc_frame *d_frame = &ctx->d_frame;
struct gsc_variant *variant = ctx->gsc_dev->variant;
int tx, ty;
int ret;
ret = gsc_check_scaler_ratio(variant, s_frame->crop.width,
s_frame->crop.height, d_frame->crop.width, d_frame->crop.height,
ctx->gsc_ctrls.rotate->val, ctx->out_path);
if (ret) {
gsc_err("out of scaler range");
return ret;
}
if (ctx->gsc_ctrls.rotate->val == 90 ||
ctx->gsc_ctrls.rotate->val == 270) {
ty = d_frame->crop.width;
tx = d_frame->crop.height;
} else {
tx = d_frame->crop.width;
ty = d_frame->crop.height;
}
ret = gsc_cal_prescaler_ratio(variant, s_frame->crop.width,
tx, &sc->pre_hratio);
if (ret) {
gsc_err("Horizontal scale ratio is out of range");
return ret;
}
ret = gsc_cal_prescaler_ratio(variant, s_frame->crop.height,
ty, &sc->pre_vratio);
if (ret) {
gsc_err("Vertical scale ratio is out of range");
return ret;
}
gsc_check_src_scale_info(variant, s_frame, &sc->pre_hratio,
tx, ty, &sc->pre_vratio);
gsc_get_prescaler_shfactor(sc->pre_hratio, sc->pre_vratio,
&sc->pre_shfactor);
sc->main_hratio = (s_frame->crop.width << 16) / tx;
sc->main_vratio = (s_frame->crop.height << 16) / ty;
gsc_dbg("scaler input/output size : sx = %d, sy = %d, tx = %d, ty = %d",
s_frame->crop.width, s_frame->crop.height, tx, ty);
gsc_dbg("scaler ratio info : pre_shfactor : %d, pre_h : %d, pre_v :%d,\
main_h : %ld, main_v : %ld", sc->pre_shfactor, sc->pre_hratio,
sc->pre_vratio, sc->main_hratio, sc->main_vratio);
return 0;
}