enum s5p_tv_vp_err s5p_vp_init_poly_filter_coef(
enum s5p_vp_poly_coeff poly_coeff,
signed char ch0,
signed char ch1,
signed char ch2,
signed char ch3)
{
return s5p_vp_set_poly_filter_coef(poly_coeff, ch0, ch1, ch2, ch3);
}
static void s5p_vp_set_poly_filter_coef_default(u32 h_ratio, u32 v_ratio)
{
enum s5p_vp_filter_h_pp e_h_filter;
enum s5p_vp_filter_v_pp e_v_filter;
u8 *poly_flt_coeff;
int i, j;
VPPRINTK("%d, %d\n\r", h_ratio, v_ratio);
/*
* For the real interlace mode, the vertical ratio should be
* used after divided by 2. Because in the interlace mode, all
* the VP output is used for SDOUT display and it should be the
* same as one field of the progressive mode. Therefore the same
* filter coefficients should be used for the same the final
* output video. When half of the interlace V_RATIO is same as
* the progressive V_RATIO, the final output video scale is same.
*/
if (h_ratio <= (0x1 << 16)) /* 720->720 or zoom in */
e_h_filter = VP_PP_H_NORMAL;
else if (h_ratio <= (0x9 << 13)) /* 720->640 */
e_h_filter = VP_PP_H_8_9;
else if (h_ratio <= (0x1 << 17)) /* 2->1 */
e_h_filter = VP_PP_H_1_2;
else if (h_ratio <= (0x3 << 16)) /* 2->1 */
e_h_filter = VP_PP_H_1_3;
else
e_h_filter = VP_PP_H_1_4; /* 4->1 */
/* Vertical Y 4tap */
if (v_ratio <= (0x1 << 16)) /* 720->720 or zoom in*/
e_v_filter = VP_PP_V_NORMAL;
else if (v_ratio <= (0x5 << 14)) /* 4->3*/
e_v_filter = VP_PP_V_3_4;
else if (v_ratio <= (0x3 << 15)) /*6->5*/
e_v_filter = VP_PP_V_5_6;
else if (v_ratio <= (0x1 << 17)) /* 2->1*/
e_v_filter = VP_PP_V_1_2;
else if (v_ratio <= (0x3 << 16)) /* 3->1*/
e_v_filter = VP_PP_V_1_3;
else
e_v_filter = VP_PP_V_1_4;
poly_flt_coeff = (u8 *)(g_s_vp8tap_coef_y_h + e_h_filter * 16 * 8);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
s5p_vp_set_poly_filter_coef(
VP_POLY8_Y0_LL + (i*4) + j,
*(poly_flt_coeff + 4*j*8 + (7 - i)),
*(poly_flt_coeff + (4*j + 1)*8 + (7 - i)),
*(poly_flt_coeff + (4*j + 2)*8 + (7 - i)),
*(poly_flt_coeff + (4*j + 3)*8 + (7 - i)));
}
}
poly_flt_coeff = (u8 *)(g_s_vp4tap_coef_c_h + e_h_filter * 16 * 4);
for (i = 0; i < 2; i++) {
for (j = 0; j < 4; j++) {
s5p_vp_set_poly_filter_coef(
VP_POLY4_C0_LL + (i*4) + j,
*(poly_flt_coeff + 4*j*4 + (3 - i)),
*(poly_flt_coeff + (4*j + 1)*4 + (3 - i)),
*(poly_flt_coeff + (4*j + 2)*4 + (3 - i)),
*(poly_flt_coeff + (4*j + 3)*4 + (3 - i)));
}
}
poly_flt_coeff = (u8 *)(g_s_vp4tap_coef_y_v + e_v_filter * 16 * 4);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
s5p_vp_set_poly_filter_coef(
VP_POLY4_Y0_LL + (i*4) + j,
*(poly_flt_coeff + 4*j*4 + (3 - i)),
*(poly_flt_coeff + (4*j + 1)*4 + (3 - i)),
*(poly_flt_coeff + (4*j + 2)*4 + (3 - i)),
*(poly_flt_coeff + (4*j + 3)*4 + (3 - i)));
}
}
VPPRINTK("%d, %d\n\r", e_h_filter, e_v_filter);
}
