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path: root/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
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Diffstat (limited to 'drivers/media/common/v4l2-tpg/v4l2-tpg-core.c')
-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-core.c412
1 files changed, 270 insertions, 142 deletions
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 1684810cab83..e47b46e2d26c 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -117,6 +117,7 @@ void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h)
tpg_s_fourcc(tpg, V4L2_PIX_FMT_RGB24);
tpg->colorspace = V4L2_COLORSPACE_SRGB;
tpg->perc_fill = 100;
+ tpg->hsv_enc = V4L2_HSV_ENC_180;
}
EXPORT_SYMBOL_GPL(tpg_init);
@@ -234,16 +235,18 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_XBGR32:
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_ABGR32:
+ tpg->color_enc = TGP_COLOR_ENC_RGB;
+ break;
case V4L2_PIX_FMT_GREY:
case V4L2_PIX_FMT_Y16:
case V4L2_PIX_FMT_Y16_BE:
- tpg->is_yuv = false;
+ tpg->color_enc = TGP_COLOR_ENC_LUMA;
break;
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_YUV32:
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUV420M:
case V4L2_PIX_FMT_YVU420M:
@@ -256,7 +259,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 2;
tpg->hdownsampling[2] = 2;
tpg->planes = 3;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUV422M:
case V4L2_PIX_FMT_YVU422M:
@@ -268,7 +271,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 2;
tpg->hdownsampling[2] = 2;
tpg->planes = 3;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_NV16M:
case V4L2_PIX_FMT_NV61M:
@@ -280,7 +283,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 1;
tpg->hmask[1] = ~1;
tpg->planes = 2;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV21M:
@@ -292,7 +295,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->hdownsampling[1] = 1;
tpg->hmask[1] = ~1;
tpg->planes = 2;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUV444M:
case V4L2_PIX_FMT_YVU444M:
@@ -302,21 +305,25 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
tpg->vdownsampling[2] = 1;
tpg->hdownsampling[1] = 1;
tpg->hdownsampling[2] = 1;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_NV24:
case V4L2_PIX_FMT_NV42:
tpg->vdownsampling[1] = 1;
tpg->hdownsampling[1] = 1;
tpg->planes = 2;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_VYUY:
tpg->hmask[0] = ~1;
- tpg->is_yuv = true;
+ tpg->color_enc = TGP_COLOR_ENC_YCBCR;
+ break;
+ case V4L2_PIX_FMT_HSV24:
+ case V4L2_PIX_FMT_HSV32:
+ tpg->color_enc = TGP_COLOR_ENC_HSV;
break;
default:
return false;
@@ -351,6 +358,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_BGR24:
+ case V4L2_PIX_FMT_HSV24:
tpg->twopixelsize[0] = 2 * 3;
break;
case V4L2_PIX_FMT_BGR666:
@@ -361,6 +369,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
case V4L2_PIX_FMT_ARGB32:
case V4L2_PIX_FMT_ABGR32:
case V4L2_PIX_FMT_YUV32:
+ case V4L2_PIX_FMT_HSV32:
tpg->twopixelsize[0] = 2 * 4;
break;
case V4L2_PIX_FMT_NV12:
@@ -490,6 +499,71 @@ static inline int linear_to_rec709(int v)
return tpg_linear_to_rec709[v];
}
+static void color_to_hsv(struct tpg_data *tpg, int r, int g, int b,
+ int *h, int *s, int *v)
+{
+ int max_rgb, min_rgb, diff_rgb;
+ int aux;
+ int third;
+ int third_size;
+
+ r >>= 4;
+ g >>= 4;
+ b >>= 4;
+
+ /* Value */
+ max_rgb = max3(r, g, b);
+ *v = max_rgb;
+ if (!max_rgb) {
+ *h = 0;
+ *s = 0;
+ return;
+ }
+
+ /* Saturation */
+ min_rgb = min3(r, g, b);
+ diff_rgb = max_rgb - min_rgb;
+ aux = 255 * diff_rgb;
+ aux += max_rgb / 2;
+ aux /= max_rgb;
+ *s = aux;
+ if (!aux) {
+ *h = 0;
+ return;
+ }
+
+ third_size = (tpg->real_hsv_enc == V4L2_HSV_ENC_180) ? 60 : 85;
+
+ /* Hue */
+ if (max_rgb == r) {
+ aux = g - b;
+ third = 0;
+ } else if (max_rgb == g) {
+ aux = b - r;
+ third = third_size;
+ } else {
+ aux = r - g;
+ third = third_size * 2;
+ }
+
+ aux *= third_size / 2;
+ aux += diff_rgb / 2;
+ aux /= diff_rgb;
+ aux += third;
+
+ /* Clamp Hue */
+ if (tpg->real_hsv_enc == V4L2_HSV_ENC_180) {
+ if (aux < 0)
+ aux += 180;
+ else if (aux > 180)
+ aux -= 180;
+ } else {
+ aux = aux & 0xff;
+ }
+
+ *h = aux;
+}
+
static void rgb2ycbcr(const int m[3][3], int r, int g, int b,
int y_offset, int *y, int *cb, int *cr)
{
@@ -729,6 +803,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
int r = tpg_colors[col].r;
int g = tpg_colors[col].g;
int b = tpg_colors[col].b;
+ int y, cb, cr;
+ bool ycbcr_valid = false;
if (k == TPG_COLOR_TEXTBG) {
col = tpg_get_textbg_color(tpg);
@@ -759,9 +835,9 @@ static void precalculate_color(struct tpg_data *tpg, int k)
g <<= 4;
b <<= 4;
}
- if (tpg->qual == TPG_QUAL_GRAY || tpg->fourcc == V4L2_PIX_FMT_GREY ||
- tpg->fourcc == V4L2_PIX_FMT_Y16 ||
- tpg->fourcc == V4L2_PIX_FMT_Y16_BE) {
+
+ if (tpg->qual == TPG_QUAL_GRAY ||
+ tpg->color_enc == TGP_COLOR_ENC_LUMA) {
/* Rec. 709 Luma function */
/* (0.2126, 0.7152, 0.0722) * (255 * 256) */
r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16;
@@ -775,7 +851,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
* Remember that r, g and b are still in the 0 - 0xff0 range.
*/
if (tpg->real_rgb_range == V4L2_DV_RGB_RANGE_LIMITED &&
- tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL && !tpg->is_yuv) {
+ tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL &&
+ tpg->color_enc == TGP_COLOR_ENC_RGB) {
/*
* Convert from full range (which is what r, g and b are)
* to limited range (which is the 'real' RGB range), which
@@ -785,7 +862,9 @@ static void precalculate_color(struct tpg_data *tpg, int k)
g = (g * 219) / 255 + (16 << 4);
b = (b * 219) / 255 + (16 << 4);
} else if (tpg->real_rgb_range != V4L2_DV_RGB_RANGE_LIMITED &&
- tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED && !tpg->is_yuv) {
+ tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED &&
+ tpg->color_enc == TGP_COLOR_ENC_RGB) {
+
/*
* Clamp r, g and b to the limited range and convert to full
* range since that's what we deliver.
@@ -798,10 +877,10 @@ static void precalculate_color(struct tpg_data *tpg, int k)
b = (b - (16 << 4)) * 255 / 219;
}
- if (tpg->brightness != 128 || tpg->contrast != 128 ||
- tpg->saturation != 128 || tpg->hue) {
+ if ((tpg->brightness != 128 || tpg->contrast != 128 ||
+ tpg->saturation != 128 || tpg->hue) &&
+ tpg->color_enc != TGP_COLOR_ENC_LUMA) {
/* Implement these operations */
- int y, cb, cr;
int tmp_cb, tmp_cr;
/* First convert to YCbCr */
@@ -818,29 +897,45 @@ static void precalculate_color(struct tpg_data *tpg, int k)
cb = (128 << 4) + (tmp_cb * tpg->contrast * tpg->saturation) / (128 * 128);
cr = (128 << 4) + (tmp_cr * tpg->contrast * tpg->saturation) / (128 * 128);
- if (tpg->is_yuv) {
- tpg->colors[k][0] = clamp(y >> 4, 1, 254);
- tpg->colors[k][1] = clamp(cb >> 4, 1, 254);
- tpg->colors[k][2] = clamp(cr >> 4, 1, 254);
- return;
- }
- ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b);
+ if (tpg->color_enc == TGP_COLOR_ENC_YCBCR)
+ ycbcr_valid = true;
+ else
+ ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b);
+ } else if ((tpg->brightness != 128 || tpg->contrast != 128) &&
+ tpg->color_enc == TGP_COLOR_ENC_LUMA) {
+ r = (16 << 4) + ((r - (16 << 4)) * tpg->contrast) / 128;
+ r += (tpg->brightness << 4) - (128 << 4);
}
- if (tpg->is_yuv) {
- /* Convert to YCbCr */
- int y, cb, cr;
+ switch (tpg->color_enc) {
+ case TGP_COLOR_ENC_HSV:
+ {
+ int h, s, v;
- color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr);
+ color_to_hsv(tpg, r, g, b, &h, &s, &v);
+ tpg->colors[k][0] = h;
+ tpg->colors[k][1] = s;
+ tpg->colors[k][2] = v;
+ break;
+ }
+ case TGP_COLOR_ENC_YCBCR:
+ {
+ /* Convert to YCbCr */
+ if (!ycbcr_valid)
+ color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr);
+ y >>= 4;
+ cb >>= 4;
+ cr >>= 4;
if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
- y = clamp(y, 16 << 4, 235 << 4);
- cb = clamp(cb, 16 << 4, 240 << 4);
- cr = clamp(cr, 16 << 4, 240 << 4);
+ y = clamp(y, 16, 235);
+ cb = clamp(cb, 16, 240);
+ cr = clamp(cr, 16, 240);
+ } else {
+ y = clamp(y, 1, 254);
+ cb = clamp(cb, 1, 254);
+ cr = clamp(cr, 1, 254);
}
- y = clamp(y >> 4, 1, 254);
- cb = clamp(cb >> 4, 1, 254);
- cr = clamp(cr >> 4, 1, 254);
switch (tpg->fourcc) {
case V4L2_PIX_FMT_YUV444:
y >>= 4;
@@ -861,7 +956,15 @@ static void precalculate_color(struct tpg_data *tpg, int k)
tpg->colors[k][0] = y;
tpg->colors[k][1] = cb;
tpg->colors[k][2] = cr;
- } else {
+ break;
+ }
+ case TGP_COLOR_ENC_LUMA:
+ {
+ tpg->colors[k][0] = r >> 4;
+ break;
+ }
+ case TGP_COLOR_ENC_RGB:
+ {
if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
r = (r * 219) / 255 + (16 << 4);
g = (g * 219) / 255 + (16 << 4);
@@ -911,6 +1014,8 @@ static void precalculate_color(struct tpg_data *tpg, int k)
tpg->colors[k][0] = r;
tpg->colors[k][1] = g;
tpg->colors[k][2] = b;
+ break;
+ }
}
}
@@ -928,7 +1033,7 @@ static void gen_twopix(struct tpg_data *tpg,
{
unsigned offset = odd * tpg->twopixelsize[0] / 2;
u8 alpha = tpg->alpha_component;
- u8 r_y, g_u, b_v;
+ u8 r_y_h, g_u_s, b_v;
if (tpg->alpha_red_only && color != TPG_COLOR_CSC_RED &&
color != TPG_COLOR_100_RED &&
@@ -936,161 +1041,161 @@ static void gen_twopix(struct tpg_data *tpg,
alpha = 0;
if (color == TPG_COLOR_RANDOM)
precalculate_color(tpg, color);
- r_y = tpg->colors[color][0]; /* R or precalculated Y */
- g_u = tpg->colors[color][1]; /* G or precalculated U */
+ r_y_h = tpg->colors[color][0]; /* R or precalculated Y, H */
+ g_u_s = tpg->colors[color][1]; /* G or precalculated U, V */
b_v = tpg->colors[color][2]; /* B or precalculated V */
switch (tpg->fourcc) {
case V4L2_PIX_FMT_GREY:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
break;
case V4L2_PIX_FMT_Y16:
/*
- * Ideally both bytes should be set to r_y, but then you won't
+ * Ideally both bytes should be set to r_y_h, but then you won't
* be able to detect endian problems. So keep it 0 except for
- * the corner case where r_y is 0xff so white really will be
+ * the corner case where r_y_h is 0xff so white really will be
* white (0xffff).
*/
- buf[0][offset] = r_y == 0xff ? r_y : 0;
- buf[0][offset+1] = r_y;
+ buf[0][offset] = r_y_h == 0xff ? r_y_h : 0;
+ buf[0][offset+1] = r_y_h;
break;
case V4L2_PIX_FMT_Y16_BE:
/* See comment for V4L2_PIX_FMT_Y16 above */
- buf[0][offset] = r_y;
- buf[0][offset+1] = r_y == 0xff ? r_y : 0;
+ buf[0][offset] = r_y_h;
+ buf[0][offset+1] = r_y_h == 0xff ? r_y_h : 0;
break;
case V4L2_PIX_FMT_YUV422M:
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV420M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
- buf[1][0] = (buf[1][0] + g_u) / 2;
+ buf[1][0] = (buf[1][0] + g_u_s) / 2;
buf[2][0] = (buf[2][0] + b_v) / 2;
buf[1][1] = buf[1][0];
buf[2][1] = buf[2][0];
break;
}
- buf[1][0] = g_u;
+ buf[1][0] = g_u_s;
buf[2][0] = b_v;
break;
case V4L2_PIX_FMT_YVU422M:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_YVU420M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
buf[1][0] = (buf[1][0] + b_v) / 2;
- buf[2][0] = (buf[2][0] + g_u) / 2;
+ buf[2][0] = (buf[2][0] + g_u_s) / 2;
buf[1][1] = buf[1][0];
buf[2][1] = buf[2][0];
break;
}
buf[1][0] = b_v;
- buf[2][0] = g_u;
+ buf[2][0] = g_u_s;
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV16M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
- buf[1][0] = (buf[1][0] + g_u) / 2;
+ buf[1][0] = (buf[1][0] + g_u_s) / 2;
buf[1][1] = (buf[1][1] + b_v) / 2;
break;
}
- buf[1][0] = g_u;
+ buf[1][0] = g_u_s;
buf[1][1] = b_v;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV21M:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV61M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
buf[1][0] = (buf[1][0] + b_v) / 2;
- buf[1][1] = (buf[1][1] + g_u) / 2;
+ buf[1][1] = (buf[1][1] + g_u_s) / 2;
break;
}
buf[1][0] = b_v;
- buf[1][1] = g_u;
+ buf[1][1] = g_u_s;
break;
case V4L2_PIX_FMT_YUV444M:
- buf[0][offset] = r_y;
- buf[1][offset] = g_u;
+ buf[0][offset] = r_y_h;
+ buf[1][offset] = g_u_s;
buf[2][offset] = b_v;
break;
case V4L2_PIX_FMT_YVU444M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
buf[1][offset] = b_v;
- buf[2][offset] = g_u;
+ buf[2][offset] = g_u_s;
break;
case V4L2_PIX_FMT_NV24:
- buf[0][offset] = r_y;
- buf[1][2 * offset] = g_u;
+ buf[0][offset] = r_y_h;
+ buf[1][2 * offset] = g_u_s;
buf[1][2 * offset + 1] = b_v;
break;
case V4L2_PIX_FMT_NV42:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
buf[1][2 * offset] = b_v;
- buf[1][2 * offset + 1] = g_u;
+ buf[1][2 * offset + 1] = g_u_s;
break;
case V4L2_PIX_FMT_YUYV:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
- buf[0][1] = (buf[0][1] + g_u) / 2;
+ buf[0][1] = (buf[0][1] + g_u_s) / 2;
buf[0][3] = (buf[0][3] + b_v) / 2;
break;
}
- buf[0][1] = g_u;
+ buf[0][1] = g_u_s;
buf[0][3] = b_v;
break;
case V4L2_PIX_FMT_UYVY:
- buf[0][offset + 1] = r_y;
+ buf[0][offset + 1] = r_y_h;
if (odd) {
- buf[0][0] = (buf[0][0] + g_u) / 2;
+ buf[0][0] = (buf[0][0] + g_u_s) / 2;
buf[0][2] = (buf[0][2] + b_v) / 2;
break;
}
- buf[0][0] = g_u;
+ buf[0][0] = g_u_s;
buf[0][2] = b_v;
break;
case V4L2_PIX_FMT_YVYU:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
buf[0][1] = (buf[0][1] + b_v) / 2;
- buf[0][3] = (buf[0][3] + g_u) / 2;
+ buf[0][3] = (buf[0][3] + g_u_s) / 2;
break;
}
buf[0][1] = b_v;
- buf[0][3] = g_u;
+ buf[0][3] = g_u_s;
break;
case V4L2_PIX_FMT_VYUY:
- buf[0][offset + 1] = r_y;
+ buf[0][offset + 1] = r_y_h;
if (odd) {
buf[0][0] = (buf[0][0] + b_v) / 2;
- buf[0][2] = (buf[0][2] + g_u) / 2;
+ buf[0][2] = (buf[0][2] + g_u_s) / 2;
break;
}
buf[0][0] = b_v;
- buf[0][2] = g_u;
+ buf[0][2] = g_u_s;
break;
case V4L2_PIX_FMT_RGB332:
- buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v;
+ buf[0][offset] = (r_y_h << 5) | (g_u_s << 2) | b_v;
break;
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_RGB565:
- buf[0][offset] = (g_u << 5) | b_v;
- buf[0][offset + 1] = (r_y << 3) | (g_u >> 3);
+ buf[0][offset] = (g_u_s << 5) | b_v;
+ buf[0][offset + 1] = (r_y_h << 3) | (g_u_s >> 3);
break;
case V4L2_PIX_FMT_RGB565X:
- buf[0][offset] = (r_y << 3) | (g_u >> 3);
- buf[0][offset + 1] = (g_u << 5) | b_v;
+ buf[0][offset] = (r_y_h << 3) | (g_u_s >> 3);
+ buf[0][offset + 1] = (g_u_s << 5) | b_v;
break;
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_XRGB444:
@@ -1098,8 +1203,8 @@ static void gen_twopix(struct tpg_data *tpg,
/* fall through */
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_ARGB444:
- buf[0][offset] = (g_u << 4) | b_v;
- buf[0][offset + 1] = (alpha & 0xf0) | r_y;
+ buf[0][offset] = (g_u_s << 4) | b_v;
+ buf[0][offset + 1] = (alpha & 0xf0) | r_y_h;
break;
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555:
@@ -1107,42 +1212,45 @@ static void gen_twopix(struct tpg_data *tpg,
/* fall through */
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_ARGB555:
- buf[0][offset] = (g_u << 5) | b_v;
- buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
+ buf[0][offset] = (g_u_s << 5) | b_v;
+ buf[0][offset + 1] = (alpha & 0x80) | (r_y_h << 2)
+ | (g_u_s >> 3);
break;
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_XRGB555X:
alpha = 0;
/* fall through */
case V4L2_PIX_FMT_ARGB555X:
- buf[0][offset] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
- buf[0][offset + 1] = (g_u << 5) | b_v;
+ buf[0][offset] = (alpha & 0x80) | (r_y_h << 2) | (g_u_s >> 3);
+ buf[0][offset + 1] = (g_u_s << 5) | b_v;
break;
case V4L2_PIX_FMT_RGB24:
- buf[0][offset] = r_y;
- buf[0][offset + 1] = g_u;
+ case V4L2_PIX_FMT_HSV24:
+ buf[0][offset] = r_y_h;
+ buf[0][offset + 1] = g_u_s;
buf[0][offset + 2] = b_v;
break;
case V4L2_PIX_FMT_BGR24:
buf[0][offset] = b_v;
- buf[0][offset + 1] = g_u;
- buf[0][offset + 2] = r_y;
+ buf[0][offset + 1] = g_u_s;
+ buf[0][offset + 2] = r_y_h;
break;
case V4L2_PIX_FMT_BGR666:
- buf[0][offset] = (b_v << 2) | (g_u >> 4);
- buf[0][offset + 1] = (g_u << 4) | (r_y >> 2);
- buf[0][offset + 2] = r_y << 6;
+ buf[0][offset] = (b_v << 2) | (g_u_s >> 4);
+ buf[0][offset + 1] = (g_u_s << 4) | (r_y_h >> 2);
+ buf[0][offset + 2] = r_y_h << 6;
buf[0][offset + 3] = 0;
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
+ case V4L2_PIX_FMT_HSV32:
alpha = 0;
/* fall through */
case V4L2_PIX_FMT_YUV32:
case V4L2_PIX_FMT_ARGB32:
buf[0][offset] = alpha;
- buf[0][offset + 1] = r_y;
- buf[0][offset + 2] = g_u;
+ buf[0][offset + 1] = r_y_h;
+ buf[0][offset + 2] = g_u_s;
buf[0][offset + 3] = b_v;
break;
case V4L2_PIX_FMT_BGR32:
@@ -1151,87 +1259,87 @@ static void gen_twopix(struct tpg_data *tpg,
/* fall through */
case V4L2_PIX_FMT_ABGR32:
buf[0][offset] = b_v;
- buf[0][offset + 1] = g_u;
- buf[0][offset + 2] = r_y;
+ buf[0][offset + 1] = g_u_s;
+ buf[0][offset + 2] = r_y_h;
buf[0][offset + 3] = alpha;
break;
case V4L2_PIX_FMT_SBGGR8:
- buf[0][offset] = odd ? g_u : b_v;
- buf[1][offset] = odd ? r_y : g_u;
+ buf[0][offset] = odd ? g_u_s : b_v;
+ buf[1][offset] = odd ? r_y_h : g_u_s;
break;
case V4L2_PIX_FMT_SGBRG8:
- buf[0][offset] = odd ? b_v : g_u;
- buf[1][offset] = odd ? g_u : r_y;
+ buf[0][offset] = odd ? b_v : g_u_s;
+ buf[1][offset] = odd ? g_u_s : r_y_h;
break;
case V4L2_PIX_FMT_SGRBG8:
- buf[0][offset] = odd ? r_y : g_u;
- buf[1][offset] = odd ? g_u : b_v;
+ buf[0][offset] = odd ? r_y_h : g_u_s;
+ buf[1][offset] = odd ? g_u_s : b_v;
break;
case V4L2_PIX_FMT_SRGGB8:
- buf[0][offset] = odd ? g_u : r_y;
- buf[1][offset] = odd ? b_v : g_u;
+ buf[0][offset] = odd ? g_u_s : r_y_h;
+ buf[1][offset] = odd ? b_v : g_u_s;
break;
case V4L2_PIX_FMT_SBGGR10:
- buf[0][offset] = odd ? g_u << 2 : b_v << 2;
- buf[0][offset + 1] = odd ? g_u >> 6 : b_v >> 6;
- buf[1][offset] = odd ? r_y << 2 : g_u << 2;
- buf[1][offset + 1] = odd ? r_y >> 6 : g_u >> 6;
+ buf[0][offset] = odd ? g_u_s << 2 : b_v << 2;
+ buf[0][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6;
+ buf[1][offset] = odd ? r_y_h << 2 : g_u_s << 2;
+ buf[1][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SGBRG10:
- buf[0][offset] = odd ? b_v << 2 : g_u << 2;
- buf[0][offset + 1] = odd ? b_v >> 6 : g_u >> 6;
- buf[1][offset] = odd ? g_u << 2 : r_y << 2;
- buf[1][offset + 1] = odd ? g_u >> 6 : r_y >> 6;
+ buf[0][offset] = odd ? b_v << 2 : g_u_s << 2;
+ buf[0][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6;
+ buf[1][offset] = odd ? g_u_s << 2 : r_y_h << 2;
+ buf[1][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SGRBG10:
- buf[0][offset] = odd ? r_y << 2 : g_u << 2;
- buf[0][offset + 1] = odd ? r_y >> 6 : g_u >> 6;
- buf[1][offset] = odd ? g_u << 2 : b_v << 2;
- buf[1][offset + 1] = odd ? g_u >> 6 : b_v >> 6;
+ buf[0][offset] = odd ? r_y_h << 2 : g_u_s << 2;
+ buf[0][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6;
+ buf[1][offset] = odd ? g_u_s << 2 : b_v << 2;
+ buf[1][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SRGGB10:
- buf[0][offset] = odd ? g_u << 2 : r_y << 2;
- buf[0][offset + 1] = odd ? g_u >> 6 : r_y >> 6;
- buf[1][offset] = odd ? b_v << 2 : g_u << 2;
- buf[1][offset + 1] = odd ? b_v >> 6 : g_u >> 6;
+ buf[0][offset] = odd ? g_u_s << 2 : r_y_h << 2;
+ buf[0][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6;
+ buf[1][offset] = odd ? b_v << 2 : g_u_s << 2;
+ buf[1][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SBGGR12:
- buf[0][offset] = odd ? g_u << 4 : b_v << 4;
- buf[0][offset + 1] = odd ? g_u >> 4 : b_v >> 4;
- buf[1][offset] = odd ? r_y << 4 : g_u << 4;
- buf[1][offset + 1] = odd ? r_y >> 4 : g_u >> 4;
+ buf[0][offset] = odd ? g_u_s << 4 : b_v << 4;
+ buf[0][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4;
+ buf[1][offset] = odd ? r_y_h << 4 : g_u_s << 4;
+ buf[1][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
case V4L2_PIX_FMT_SGBRG12:
- buf[0][offset] = odd ? b_v << 4 : g_u << 4;
- buf[0][offset + 1] = odd ? b_v >> 4 : g_u >> 4;
- buf[1][offset] = odd ? g_u << 4 : r_y << 4;
- buf[1][offset + 1] = odd ? g_u >> 4 : r_y >> 4;
+ buf[0][offset] = odd ? b_v << 4 : g_u_s << 4;
+ buf[0][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4;
+ buf[1][offset] = odd ? g_u_s << 4 : r_y_h << 4;
+ buf[1][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
case V4L2_PIX_FMT_SGRBG12:
- buf[0][offset] = odd ? r_y << 4 : g_u << 4;
- buf[0][offset + 1] = odd ? r_y >> 4 : g_u >> 4;
- buf[1][offset] = odd ? g_u << 4 : b_v << 4;
- buf[1][offset + 1] = odd ? g_u >> 4 : b_v >> 4;
+ buf[0][offset] = odd ? r_y_h << 4 : g_u_s << 4;
+ buf[0][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4;
+ buf[1][offset] = odd ? g_u_s << 4 : b_v << 4;
+ buf[1][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
case V4L2_PIX_FMT_SRGGB12:
- buf[0][offset] = odd ? g_u << 4 : r_y << 4;
- buf[0][offset + 1] = odd ? g_u >> 4 : r_y >> 4;
- buf[1][offset] = odd ? b_v << 4 : g_u << 4;
- buf[1][offset + 1] = odd ? b_v >> 4 : g_u >> 4;
+ buf[0][offset] = odd ? g_u_s << 4 : r_y_h << 4;
+ buf[0][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4;
+ buf[1][offset] = odd ? b_v << 4 : g_u_s << 4;
+ buf[1][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
@@ -1828,6 +1936,7 @@ static void tpg_recalc(struct tpg_data *tpg)
tpg->recalc_lines = true;
tpg->real_xfer_func = tpg->xfer_func;
tpg->real_ycbcr_enc = tpg->ycbcr_enc;
+ tpg->real_hsv_enc = tpg->hsv_enc;
tpg->real_quantization = tpg->quantization;
if (tpg->xfer_func == V4L2_XFER_FUNC_DEFAULT)
@@ -1840,7 +1949,8 @@ static void tpg_recalc(struct tpg_data *tpg)
if (tpg->quantization == V4L2_QUANTIZATION_DEFAULT)
tpg->real_quantization =
- V4L2_MAP_QUANTIZATION_DEFAULT(!tpg->is_yuv,
+ V4L2_MAP_QUANTIZATION_DEFAULT(
+ tpg->color_enc != TGP_COLOR_ENC_YCBCR,
tpg->colorspace, tpg->real_ycbcr_enc);
tpg_precalculate_colors(tpg);
@@ -1887,11 +1997,28 @@ static int tpg_pattern_avg(const struct tpg_data *tpg,
return -1;
}
+static const char *tpg_color_enc_str(enum tgp_color_enc
+ color_enc)
+{
+ switch (color_enc) {
+ case TGP_COLOR_ENC_HSV:
+ return "HSV";
+ case TGP_COLOR_ENC_YCBCR:
+ return "Y'CbCr";
+ case TGP_COLOR_ENC_LUMA:
+ return "Luma";
+ case TGP_COLOR_ENC_RGB:
+ default:
+ return "R'G'B";
+
+ }
+}
+
void tpg_log_status(struct tpg_data *tpg)
{
pr_info("tpg source WxH: %ux%u (%s)\n",
- tpg->src_width, tpg->src_height,
- tpg->is_yuv ? "YCbCr" : "RGB");
+ tpg->src_width, tpg->src_height,
+ tpg_color_enc_str(tpg->color_enc));
pr_info("tpg field: %u\n", tpg->field);
pr_info("tpg crop: %ux%u@%dx%d\n", tpg->crop.width, tpg->crop.height,
tpg->crop.left, tpg->crop.top);
@@ -1900,6 +2027,7 @@ void tpg_log_status(struct tpg_data *tpg)
pr_info("tpg colorspace: %d\n", tpg->colorspace);
pr_info("tpg transfer function: %d/%d\n", tpg->xfer_func, tpg->real_xfer_func);
pr_info("tpg Y'CbCr encoding: %d/%d\n", tpg->ycbcr_enc, tpg->real_ycbcr_enc);
+ pr_info("tpg HSV encoding: %d/%d\n", tpg->hsv_enc, tpg->real_hsv_enc);
pr_info("tpg quantization: %d/%d\n", tpg->quantization, tpg->real_quantization);
pr_info("tpg RGB range: %d/%d\n", tpg->rgb_range, tpg->real_rgb_range);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.