Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 0 insertions, 2314 deletions

diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c
deleted file mode 100644
index da862bb2e..000000000
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ /dev/null
@@ -1,2314 +0,0 @@
-/*
- * vivid-tpg.c - Test Pattern Generator
- *
- * Note: gen_twopix and tpg_gen_text are based on code from vivi.c. See the
- * vivi.c source for the copyright information of those functions.
- *
- * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- *
- * This program is free software; you may redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "vivid-tpg.h"
-
-/* Must remain in sync with enum tpg_pattern */
-const char * const tpg_pattern_strings[] = {
-	"75% Colorbar",
-	"100% Colorbar",
-	"CSC Colorbar",
-	"Horizontal 100% Colorbar",
-	"100% Color Squares",
-	"100% Black",
-	"100% White",
-	"100% Red",
-	"100% Green",
-	"100% Blue",
-	"16x16 Checkers",
-	"2x2 Checkers",
-	"1x1 Checkers",
-	"2x2 Red/Green Checkers",
-	"1x1 Red/Green Checkers",
-	"Alternating Hor Lines",
-	"Alternating Vert Lines",
-	"One Pixel Wide Cross",
-	"Two Pixels Wide Cross",
-	"Ten Pixels Wide Cross",
-	"Gray Ramp",
-	"Noise",
-	NULL
-};
-
-/* Must remain in sync with enum tpg_aspect */
-const char * const tpg_aspect_strings[] = {
-	"Source Width x Height",
-	"4x3",
-	"14x9",
-	"16x9",
-	"16x9 Anamorphic",
-	NULL
-};
-
-/*
- * Sine table: sin[0] = 127 * sin(-180 degrees)
- *             sin[128] = 127 * sin(0 degrees)
- *             sin[256] = 127 * sin(180 degrees)
- */
-static const s8 sin[257] = {
-	   0,   -4,   -7,  -11,  -13,  -18,  -20,  -22,  -26,  -29,  -33,  -35,  -37,  -41,  -43,  -48,
-	 -50,  -52,  -56,  -58,  -62,  -63,  -65,  -69,  -71,  -75,  -76,  -78,  -82,  -83,  -87,  -88,
-	 -90,  -93,  -94,  -97,  -99, -101, -103, -104, -107, -108, -110, -111, -112, -114, -115, -117,
-	-118, -119, -120, -121, -122, -123, -123, -124, -125, -125, -126, -126, -127, -127, -127, -127,
-	-127, -127, -127, -127, -126, -126, -125, -125, -124, -124, -123, -122, -121, -120, -119, -118,
-	-117, -116, -114, -113, -111, -110, -109, -107, -105, -103, -101, -100,  -97,  -96,  -93,  -91,
-	 -90,  -87,  -85,  -82,  -80,  -76,  -75,  -73,  -69,  -67,  -63,  -62,  -60,  -56,  -54,  -50,
-	 -48,  -46,  -41,  -39,  -35,  -33,  -31,  -26,  -24,  -20,  -18,  -15,  -11,   -9,   -4,   -2,
-	   0,    2,    4,    9,   11,   15,   18,   20,   24,   26,   31,   33,   35,   39,   41,   46,
-	  48,   50,   54,   56,   60,   62,   64,   67,   69,   73,   75,   76,   80,   82,   85,   87,
-	  90,   91,   93,   96,   97,  100,  101,  103,  105,  107,  109,  110,  111,  113,  114,  116,
-	 117,  118,  119,  120,  121,  122,  123,  124,  124,  125,  125,  126,  126,  127,  127,  127,
-	 127,  127,  127,  127,  127,  126,  126,  125,  125,  124,  123,  123,  122,  121,  120,  119,
-	 118,  117,  115,  114,  112,  111,  110,  108,  107,  104,  103,  101,   99,   97,   94,   93,
-	  90,   88,   87,   83,   82,   78,   76,   75,   71,   69,   65,   64,   62,   58,   56,   52,
-	  50,   48,   43,   41,   37,   35,   33,   29,   26,   22,   20,   18,   13,   11,    7,    4,
-	   0,
-};
-
-#define cos(idx) sin[((idx) + 64) % sizeof(sin)]
-
-/* Global font descriptor */
-static const u8 *font8x16;
-
-void tpg_set_font(const u8 *f)
-{
-	font8x16 = f;
-}
-
-void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h)
-{
-	memset(tpg, 0, sizeof(*tpg));
-	tpg->scaled_width = tpg->src_width = w;
-	tpg->src_height = tpg->buf_height = h;
-	tpg->crop.width = tpg->compose.width = w;
-	tpg->crop.height = tpg->compose.height = h;
-	tpg->recalc_colors = true;
-	tpg->recalc_square_border = true;
-	tpg->brightness = 128;
-	tpg->contrast = 128;
-	tpg->saturation = 128;
-	tpg->hue = 0;
-	tpg->mv_hor_mode = TPG_MOVE_NONE;
-	tpg->mv_vert_mode = TPG_MOVE_NONE;
-	tpg->field = V4L2_FIELD_NONE;
-	tpg_s_fourcc(tpg, V4L2_PIX_FMT_RGB24);
-	tpg->colorspace = V4L2_COLORSPACE_SRGB;
-	tpg->perc_fill = 100;
-}
-
-int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
-{
-	unsigned pat;
-	unsigned plane;
-
-	tpg->max_line_width = max_w;
-	for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) {
-		for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
-			unsigned pixelsz = plane ? 2 : 4;
-
-			tpg->lines[pat][plane] = vzalloc(max_w * 2 * pixelsz);
-			if (!tpg->lines[pat][plane])
-				return -ENOMEM;
-			if (plane == 0)
-				continue;
-			tpg->downsampled_lines[pat][plane] = vzalloc(max_w * 2 * pixelsz);
-			if (!tpg->downsampled_lines[pat][plane])
-				return -ENOMEM;
-		}
-	}
-	for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
-		unsigned pixelsz = plane ? 2 : 4;
-
-		tpg->contrast_line[plane] = vzalloc(max_w * pixelsz);
-		if (!tpg->contrast_line[plane])
-			return -ENOMEM;
-		tpg->black_line[plane] = vzalloc(max_w * pixelsz);
-		if (!tpg->black_line[plane])
-			return -ENOMEM;
-		tpg->random_line[plane] = vzalloc(max_w * 2 * pixelsz);
-		if (!tpg->random_line[plane])
-			return -ENOMEM;
-	}
-	return 0;
-}
-
-void tpg_free(struct tpg_data *tpg)
-{
-	unsigned pat;
-	unsigned plane;
-
-	for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++)
-		for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
-			vfree(tpg->lines[pat][plane]);
-			tpg->lines[pat][plane] = NULL;
-			if (plane == 0)
-				continue;
-			vfree(tpg->downsampled_lines[pat][plane]);
-			tpg->downsampled_lines[pat][plane] = NULL;
-		}
-	for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
-		vfree(tpg->contrast_line[plane]);
-		vfree(tpg->black_line[plane]);
-		vfree(tpg->random_line[plane]);
-		tpg->contrast_line[plane] = NULL;
-		tpg->black_line[plane] = NULL;
-		tpg->random_line[plane] = NULL;
-	}
-}
-
-bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc)
-{
-	tpg->fourcc = fourcc;
-	tpg->planes = 1;
-	tpg->buffers = 1;
-	tpg->recalc_colors = true;
-	tpg->interleaved = false;
-	tpg->vdownsampling[0] = 1;
-	tpg->hdownsampling[0] = 1;
-	tpg->hmask[0] = ~0;
-	tpg->hmask[1] = ~0;
-	tpg->hmask[2] = ~0;
-
-	switch (fourcc) {
-	case V4L2_PIX_FMT_SBGGR8:
-	case V4L2_PIX_FMT_SGBRG8:
-	case V4L2_PIX_FMT_SGRBG8:
-	case V4L2_PIX_FMT_SRGGB8:
-	case V4L2_PIX_FMT_SBGGR10:
-	case V4L2_PIX_FMT_SGBRG10:
-	case V4L2_PIX_FMT_SGRBG10:
-	case V4L2_PIX_FMT_SRGGB10:
-	case V4L2_PIX_FMT_SBGGR12:
-	case V4L2_PIX_FMT_SGBRG12:
-	case V4L2_PIX_FMT_SGRBG12:
-	case V4L2_PIX_FMT_SRGGB12:
-		tpg->interleaved = true;
-		tpg->vdownsampling[1] = 1;
-		tpg->hdownsampling[1] = 1;
-		tpg->planes = 2;
-		/* fall through */
-	case V4L2_PIX_FMT_RGB332:
-	case V4L2_PIX_FMT_RGB565:
-	case V4L2_PIX_FMT_RGB565X:
-	case V4L2_PIX_FMT_RGB444:
-	case V4L2_PIX_FMT_XRGB444:
-	case V4L2_PIX_FMT_ARGB444:
-	case V4L2_PIX_FMT_RGB555:
-	case V4L2_PIX_FMT_XRGB555:
-	case V4L2_PIX_FMT_ARGB555:
-	case V4L2_PIX_FMT_RGB555X:
-	case V4L2_PIX_FMT_XRGB555X:
-	case V4L2_PIX_FMT_ARGB555X:
-	case V4L2_PIX_FMT_BGR666:
-	case V4L2_PIX_FMT_RGB24:
-	case V4L2_PIX_FMT_BGR24:
-	case V4L2_PIX_FMT_RGB32:
-	case V4L2_PIX_FMT_BGR32:
-	case V4L2_PIX_FMT_XRGB32:
-	case V4L2_PIX_FMT_XBGR32:
-	case V4L2_PIX_FMT_ARGB32:
-	case V4L2_PIX_FMT_ABGR32:
-	case V4L2_PIX_FMT_GREY:
-	case V4L2_PIX_FMT_Y16:
-	case V4L2_PIX_FMT_Y16_BE:
-		tpg->is_yuv = false;
-		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;
-		break;
-	case V4L2_PIX_FMT_YUV420M:
-	case V4L2_PIX_FMT_YVU420M:
-		tpg->buffers = 3;
-		/* fall through */
-	case V4L2_PIX_FMT_YUV420:
-	case V4L2_PIX_FMT_YVU420:
-		tpg->vdownsampling[1] = 2;
-		tpg->vdownsampling[2] = 2;
-		tpg->hdownsampling[1] = 2;
-		tpg->hdownsampling[2] = 2;
-		tpg->planes = 3;
-		tpg->is_yuv = true;
-		break;
-	case V4L2_PIX_FMT_YUV422M:
-	case V4L2_PIX_FMT_YVU422M:
-		tpg->buffers = 3;
-		/* fall through */
-	case V4L2_PIX_FMT_YUV422P:
-		tpg->vdownsampling[1] = 1;
-		tpg->vdownsampling[2] = 1;
-		tpg->hdownsampling[1] = 2;
-		tpg->hdownsampling[2] = 2;
-		tpg->planes = 3;
-		tpg->is_yuv = true;
-		break;
-	case V4L2_PIX_FMT_NV16M:
-	case V4L2_PIX_FMT_NV61M:
-		tpg->buffers = 2;
-		/* fall through */
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV61:
-		tpg->vdownsampling[1] = 1;
-		tpg->hdownsampling[1] = 1;
-		tpg->hmask[1] = ~1;
-		tpg->planes = 2;
-		tpg->is_yuv = true;
-		break;
-	case V4L2_PIX_FMT_NV12M:
-	case V4L2_PIX_FMT_NV21M:
-		tpg->buffers = 2;
-		/* fall through */
-	case V4L2_PIX_FMT_NV12:
-	case V4L2_PIX_FMT_NV21:
-		tpg->vdownsampling[1] = 2;
-		tpg->hdownsampling[1] = 1;
-		tpg->hmask[1] = ~1;
-		tpg->planes = 2;
-		tpg->is_yuv = true;
-		break;
-	case V4L2_PIX_FMT_YUV444M:
-	case V4L2_PIX_FMT_YVU444M:
-		tpg->buffers = 3;
-		tpg->planes = 3;
-		tpg->vdownsampling[1] = 1;
-		tpg->vdownsampling[2] = 1;
-		tpg->hdownsampling[1] = 1;
-		tpg->hdownsampling[2] = 1;
-		tpg->is_yuv = true;
-		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;
-		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;
-		break;
-	default:
-		return false;
-	}
-
-	switch (fourcc) {
-	case V4L2_PIX_FMT_GREY:
-	case V4L2_PIX_FMT_RGB332:
-		tpg->twopixelsize[0] = 2;
-		break;
-	case V4L2_PIX_FMT_RGB565:
-	case V4L2_PIX_FMT_RGB565X:
-	case V4L2_PIX_FMT_RGB444:
-	case V4L2_PIX_FMT_XRGB444:
-	case V4L2_PIX_FMT_ARGB444:
-	case V4L2_PIX_FMT_RGB555:
-	case V4L2_PIX_FMT_XRGB555:
-	case V4L2_PIX_FMT_ARGB555:
-	case V4L2_PIX_FMT_RGB555X:
-	case V4L2_PIX_FMT_XRGB555X:
-	case V4L2_PIX_FMT_ARGB555X:
-	case V4L2_PIX_FMT_YUYV:
-	case V4L2_PIX_FMT_UYVY:
-	case V4L2_PIX_FMT_YVYU:
-	case V4L2_PIX_FMT_VYUY:
-	case V4L2_PIX_FMT_YUV444:
-	case V4L2_PIX_FMT_YUV555:
-	case V4L2_PIX_FMT_YUV565:
-	case V4L2_PIX_FMT_Y16:
-	case V4L2_PIX_FMT_Y16_BE:
-		tpg->twopixelsize[0] = 2 * 2;
-		break;
-	case V4L2_PIX_FMT_RGB24:
-	case V4L2_PIX_FMT_BGR24:
-		tpg->twopixelsize[0] = 2 * 3;
-		break;
-	case V4L2_PIX_FMT_BGR666:
-	case V4L2_PIX_FMT_RGB32:
-	case V4L2_PIX_FMT_BGR32:
-	case V4L2_PIX_FMT_XRGB32:
-	case V4L2_PIX_FMT_XBGR32:
-	case V4L2_PIX_FMT_ARGB32:
-	case V4L2_PIX_FMT_ABGR32:
-	case V4L2_PIX_FMT_YUV32:
-		tpg->twopixelsize[0] = 2 * 4;
-		break;
-	case V4L2_PIX_FMT_NV12:
-	case V4L2_PIX_FMT_NV21:
-	case V4L2_PIX_FMT_NV12M:
-	case V4L2_PIX_FMT_NV21M:
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV61:
-	case V4L2_PIX_FMT_NV16M:
-	case V4L2_PIX_FMT_NV61M:
-	case V4L2_PIX_FMT_SBGGR8:
-	case V4L2_PIX_FMT_SGBRG8:
-	case V4L2_PIX_FMT_SGRBG8:
-	case V4L2_PIX_FMT_SRGGB8:
-		tpg->twopixelsize[0] = 2;
-		tpg->twopixelsize[1] = 2;
-		break;
-	case V4L2_PIX_FMT_SRGGB10:
-	case V4L2_PIX_FMT_SGRBG10:
-	case V4L2_PIX_FMT_SGBRG10:
-	case V4L2_PIX_FMT_SBGGR10:
-	case V4L2_PIX_FMT_SRGGB12:
-	case V4L2_PIX_FMT_SGRBG12:
-	case V4L2_PIX_FMT_SGBRG12:
-	case V4L2_PIX_FMT_SBGGR12:
-		tpg->twopixelsize[0] = 4;
-		tpg->twopixelsize[1] = 4;
-		break;
-	case V4L2_PIX_FMT_YUV444M:
-	case V4L2_PIX_FMT_YVU444M:
-	case V4L2_PIX_FMT_YUV422M:
-	case V4L2_PIX_FMT_YVU422M:
-	case V4L2_PIX_FMT_YUV422P:
-	case V4L2_PIX_FMT_YUV420:
-	case V4L2_PIX_FMT_YVU420:
-	case V4L2_PIX_FMT_YUV420M:
-	case V4L2_PIX_FMT_YVU420M:
-		tpg->twopixelsize[0] = 2;
-		tpg->twopixelsize[1] = 2;
-		tpg->twopixelsize[2] = 2;
-		break;
-	case V4L2_PIX_FMT_NV24:
-	case V4L2_PIX_FMT_NV42:
-		tpg->twopixelsize[0] = 2;
-		tpg->twopixelsize[1] = 4;
-		break;
-	}
-	return true;
-}
-
-void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,
-		const struct v4l2_rect *compose)
-{
-	tpg->crop = *crop;
-	tpg->compose = *compose;
-	tpg->scaled_width = (tpg->src_width * tpg->compose.width +
-				 tpg->crop.width - 1) / tpg->crop.width;
-	tpg->scaled_width &= ~1;
-	if (tpg->scaled_width > tpg->max_line_width)
-		tpg->scaled_width = tpg->max_line_width;
-	if (tpg->scaled_width < 2)
-		tpg->scaled_width = 2;
-	tpg->recalc_lines = true;
-}
-
-void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height,
-		       u32 field)
-{
-	unsigned p;
-
-	tpg->src_width = width;
-	tpg->src_height = height;
-	tpg->field = field;
-	tpg->buf_height = height;
-	if (V4L2_FIELD_HAS_T_OR_B(field))
-		tpg->buf_height /= 2;
-	tpg->scaled_width = width;
-	tpg->crop.top = tpg->crop.left = 0;
-	tpg->crop.width = width;
-	tpg->crop.height = height;
-	tpg->compose.top = tpg->compose.left = 0;
-	tpg->compose.width = width;
-	tpg->compose.height = tpg->buf_height;
-	for (p = 0; p < tpg->planes; p++)
-		tpg->bytesperline[p] = (width * tpg->twopixelsize[p]) /
-				       (2 * tpg->hdownsampling[p]);
-	tpg->recalc_square_border = true;
-}
-
-static enum tpg_color tpg_get_textbg_color(struct tpg_data *tpg)
-{
-	switch (tpg->pattern) {
-	case TPG_PAT_BLACK:
-		return TPG_COLOR_100_WHITE;
-	case TPG_PAT_CSC_COLORBAR:
-		return TPG_COLOR_CSC_BLACK;
-	default:
-		return TPG_COLOR_100_BLACK;
-	}
-}
-
-static enum tpg_color tpg_get_textfg_color(struct tpg_data *tpg)
-{
-	switch (tpg->pattern) {
-	case TPG_PAT_75_COLORBAR:
-	case TPG_PAT_CSC_COLORBAR:
-		return TPG_COLOR_CSC_WHITE;
-	case TPG_PAT_BLACK:
-		return TPG_COLOR_100_BLACK;
-	default:
-		return TPG_COLOR_100_WHITE;
-	}
-}
-
-static inline int rec709_to_linear(int v)
-{
-	v = clamp(v, 0, 0xff0);
-	return tpg_rec709_to_linear[v];
-}
-
-static inline int linear_to_rec709(int v)
-{
-	v = clamp(v, 0, 0xff0);
-	return tpg_linear_to_rec709[v];
-}
-
-static void rgb2ycbcr(const int m[3][3], int r, int g, int b,
-			int y_offset, int *y, int *cb, int *cr)
-{
-	*y  = ((m[0][0] * r + m[0][1] * g + m[0][2] * b) >> 16) + (y_offset << 4);
-	*cb = ((m[1][0] * r + m[1][1] * g + m[1][2] * b) >> 16) + (128 << 4);
-	*cr = ((m[2][0] * r + m[2][1] * g + m[2][2] * b) >> 16) + (128 << 4);
-}
-
-static void color_to_ycbcr(struct tpg_data *tpg, int r, int g, int b,
-			   int *y, int *cb, int *cr)
-{
-#define COEFF(v, r) ((int)(0.5 + (v) * (r) * 256.0))
-
-	static const int bt601[3][3] = {
-		{ COEFF(0.299, 219),  COEFF(0.587, 219),  COEFF(0.114, 219)  },
-		{ COEFF(-0.169, 224), COEFF(-0.331, 224), COEFF(0.5, 224)    },
-		{ COEFF(0.5, 224),    COEFF(-0.419, 224), COEFF(-0.081, 224) },
-	};
-	static const int bt601_full[3][3] = {
-		{ COEFF(0.299, 255),  COEFF(0.587, 255),  COEFF(0.114, 255)  },
-		{ COEFF(-0.169, 255), COEFF(-0.331, 255), COEFF(0.5, 255)    },
-		{ COEFF(0.5, 255),    COEFF(-0.419, 255), COEFF(-0.081, 255) },
-	};
-	static const int rec709[3][3] = {
-		{ COEFF(0.2126, 219),  COEFF(0.7152, 219),  COEFF(0.0722, 219)  },
-		{ COEFF(-0.1146, 224), COEFF(-0.3854, 224), COEFF(0.5, 224)     },
-		{ COEFF(0.5, 224),     COEFF(-0.4542, 224), COEFF(-0.0458, 224) },
-	};
-	static const int rec709_full[3][3] = {
-		{ COEFF(0.2126, 255),  COEFF(0.7152, 255),  COEFF(0.0722, 255)  },
-		{ COEFF(-0.1146, 255), COEFF(-0.3854, 255), COEFF(0.5, 255)     },
-		{ COEFF(0.5, 255),     COEFF(-0.4542, 255), COEFF(-0.0458, 255) },
-	};
-	static const int smpte240m[3][3] = {
-		{ COEFF(0.212, 219),  COEFF(0.701, 219),  COEFF(0.087, 219)  },
-		{ COEFF(-0.116, 224), COEFF(-0.384, 224), COEFF(0.5, 224)    },
-		{ COEFF(0.5, 224),    COEFF(-0.445, 224), COEFF(-0.055, 224) },
-	};
-	static const int smpte240m_full[3][3] = {
-		{ COEFF(0.212, 255),  COEFF(0.701, 255),  COEFF(0.087, 255)  },
-		{ COEFF(-0.116, 255), COEFF(-0.384, 255), COEFF(0.5, 255)    },
-		{ COEFF(0.5, 255),    COEFF(-0.445, 255), COEFF(-0.055, 255) },
-	};
-	static const int bt2020[3][3] = {
-		{ COEFF(0.2627, 219),  COEFF(0.6780, 219),  COEFF(0.0593, 219)  },
-		{ COEFF(-0.1396, 224), COEFF(-0.3604, 224), COEFF(0.5, 224)     },
-		{ COEFF(0.5, 224),     COEFF(-0.4598, 224), COEFF(-0.0402, 224) },
-	};
-	static const int bt2020_full[3][3] = {
-		{ COEFF(0.2627, 255),  COEFF(0.6780, 255),  COEFF(0.0593, 255)  },
-		{ COEFF(-0.1396, 255), COEFF(-0.3604, 255), COEFF(0.5, 255)     },
-		{ COEFF(0.5, 255),     COEFF(-0.4698, 255), COEFF(-0.0402, 255) },
-	};
-	static const int bt2020c[4] = {
-		COEFF(1.0 / 1.9404, 224), COEFF(1.0 / 1.5816, 224),
-		COEFF(1.0 / 1.7184, 224), COEFF(1.0 / 0.9936, 224),
-	};
-	static const int bt2020c_full[4] = {
-		COEFF(1.0 / 1.9404, 255), COEFF(1.0 / 1.5816, 255),
-		COEFF(1.0 / 1.7184, 255), COEFF(1.0 / 0.9936, 255),
-	};
-
-	bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE;
-	unsigned y_offset = full ? 0 : 16;
-	int lin_y, yc;
-
-	switch (tpg->real_ycbcr_enc) {
-	case V4L2_YCBCR_ENC_601:
-	case V4L2_YCBCR_ENC_SYCC:
-		rgb2ycbcr(full ? bt601_full : bt601, r, g, b, y_offset, y, cb, cr);
-		break;
-	case V4L2_YCBCR_ENC_XV601:
-		/* Ignore quantization range, there is only one possible
-		 * Y'CbCr encoding. */
-		rgb2ycbcr(bt601, r, g, b, 16, y, cb, cr);
-		break;
-	case V4L2_YCBCR_ENC_XV709:
-		/* Ignore quantization range, there is only one possible
-		 * Y'CbCr encoding. */
-		rgb2ycbcr(rec709, r, g, b, 16, y, cb, cr);
-		break;
-	case V4L2_YCBCR_ENC_BT2020:
-		rgb2ycbcr(full ? bt2020_full : bt2020, r, g, b, y_offset, y, cb, cr);
-		break;
-	case V4L2_YCBCR_ENC_BT2020_CONST_LUM:
-		lin_y = (COEFF(0.2627, 255) * rec709_to_linear(r) +
-			 COEFF(0.6780, 255) * rec709_to_linear(g) +
-			 COEFF(0.0593, 255) * rec709_to_linear(b)) >> 16;
-		yc = linear_to_rec709(lin_y);
-		*y = full ? yc : (yc * 219) / 255 + (16 << 4);
-		if (b <= yc)
-			*cb = (((b - yc) * (full ? bt2020c_full[0] : bt2020c[0])) >> 16) + (128 << 4);
-		else
-			*cb = (((b - yc) * (full ? bt2020c_full[1] : bt2020c[1])) >> 16) + (128 << 4);
-		if (r <= yc)
-			*cr = (((r - yc) * (full ? bt2020c_full[2] : bt2020c[2])) >> 16) + (128 << 4);
-		else
-			*cr = (((r - yc) * (full ? bt2020c_full[3] : bt2020c[3])) >> 16) + (128 << 4);
-		break;
-	case V4L2_YCBCR_ENC_SMPTE240M:
-		rgb2ycbcr(full ? smpte240m_full : smpte240m, r, g, b, y_offset, y, cb, cr);
-		break;
-	case V4L2_YCBCR_ENC_709:
-	default:
-		rgb2ycbcr(full ? rec709_full : rec709, r, g, b, y_offset, y, cb, cr);
-		break;
-	}
-}
-
-static void ycbcr2rgb(const int m[3][3], int y, int cb, int cr,
-			int y_offset, int *r, int *g, int *b)
-{
-	y -= y_offset << 4;
-	cb -= 128 << 4;
-	cr -= 128 << 4;
-	*r = m[0][0] * y + m[0][1] * cb + m[0][2] * cr;
-	*g = m[1][0] * y + m[1][1] * cb + m[1][2] * cr;
-	*b = m[2][0] * y + m[2][1] * cb + m[2][2] * cr;
-	*r = clamp(*r >> 12, 0, 0xff0);
-	*g = clamp(*g >> 12, 0, 0xff0);
-	*b = clamp(*b >> 12, 0, 0xff0);
-}
-
-static void ycbcr_to_color(struct tpg_data *tpg, int y, int cb, int cr,
-			   int *r, int *g, int *b)
-{
-#undef COEFF
-#define COEFF(v, r) ((int)(0.5 + (v) * ((255.0 * 255.0 * 16.0) / (r))))
-	static const int bt601[3][3] = {
-		{ COEFF(1, 219), COEFF(0, 224),       COEFF(1.4020, 224)  },
-		{ COEFF(1, 219), COEFF(-0.3441, 224), COEFF(-0.7141, 224) },
-		{ COEFF(1, 219), COEFF(1.7720, 224),  COEFF(0, 224)       },
-	};
-	static const int bt601_full[3][3] = {
-		{ COEFF(1, 255), COEFF(0, 255),       COEFF(1.4020, 255)  },
-		{ COEFF(1, 255), COEFF(-0.3441, 255), COEFF(-0.7141, 255) },
-		{ COEFF(1, 255), COEFF(1.7720, 255),  COEFF(0, 255)       },
-	};
-	static const int rec709[3][3] = {
-		{ COEFF(1, 219), COEFF(0, 224),       COEFF(1.5748, 224)  },
-		{ COEFF(1, 219), COEFF(-0.1873, 224), COEFF(-0.4681, 224) },
-		{ COEFF(1, 219), COEFF(1.8556, 224),  COEFF(0, 224)       },
-	};
-	static const int rec709_full[3][3] = {
-		{ COEFF(1, 255), COEFF(0, 255),       COEFF(1.5748, 255)  },
-		{ COEFF(1, 255), COEFF(-0.1873, 255), COEFF(-0.4681, 255) },
-		{ COEFF(1, 255), COEFF(1.8556, 255),  COEFF(0, 255)       },
-	};
-	static const int smpte240m[3][3] = {
-		{ COEFF(1, 219), COEFF(0, 224),       COEFF(1.5756, 224)  },
-		{ COEFF(1, 219), COEFF(-0.2253, 224), COEFF(-0.4767, 224) },
-		{ COEFF(1, 219), COEFF(1.8270, 224),  COEFF(0, 224)       },
-	};
-	static const int smpte240m_full[3][3] = {
-		{ COEFF(1, 255), COEFF(0, 255),       COEFF(1.5756, 255)  },
-		{ COEFF(1, 255), COEFF(-0.2253, 255), COEFF(-0.4767, 255) },
-		{ COEFF(1, 255), COEFF(1.8270, 255),  COEFF(0, 255)       },
-	};
-	static const int bt2020[3][3] = {
-		{ COEFF(1, 219), COEFF(0, 224),       COEFF(1.4746, 224)  },
-		{ COEFF(1, 219), COEFF(-0.1646, 224), COEFF(-0.5714, 224) },
-		{ COEFF(1, 219), COEFF(1.8814, 224),  COEFF(0, 224)       },
-	};
-	static const int bt2020_full[3][3] = {
-		{ COEFF(1, 255), COEFF(0, 255),       COEFF(1.4746, 255)  },
-		{ COEFF(1, 255), COEFF(-0.1646, 255), COEFF(-0.5714, 255) },
-		{ COEFF(1, 255), COEFF(1.8814, 255),  COEFF(0, 255)       },
-	};
-	static const int bt2020c[4] = {
-		COEFF(1.9404, 224), COEFF(1.5816, 224),
-		COEFF(1.7184, 224), COEFF(0.9936, 224),
-	};
-	static const int bt2020c_full[4] = {
-		COEFF(1.9404, 255), COEFF(1.5816, 255),
-		COEFF(1.7184, 255), COEFF(0.9936, 255),
-	};
-
-	bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE;
-	unsigned y_offset = full ? 0 : 16;
-	int y_fac = full ? COEFF(1.0, 255) : COEFF(1.0, 219);
-	int lin_r, lin_g, lin_b, lin_y;
-
-	switch (tpg->real_ycbcr_enc) {
-	case V4L2_YCBCR_ENC_601:
-	case V4L2_YCBCR_ENC_SYCC:
-		ycbcr2rgb(full ? bt601_full : bt601, y, cb, cr, y_offset, r, g, b);
-		break;
-	case V4L2_YCBCR_ENC_XV601:
-		/* Ignore quantization range, there is only one possible
-		 * Y'CbCr encoding. */
-		ycbcr2rgb(bt601, y, cb, cr, 16, r, g, b);
-		break;
-	case V4L2_YCBCR_ENC_XV709:
-		/* Ignore quantization range, there is only one possible
-		 * Y'CbCr encoding. */
-		ycbcr2rgb(rec709, y, cb, cr, 16, r, g, b);
-		break;
-	case V4L2_YCBCR_ENC_BT2020:
-		ycbcr2rgb(full ? bt2020_full : bt2020, y, cb, cr, y_offset, r, g, b);
-		break;
-	case V4L2_YCBCR_ENC_BT2020_CONST_LUM:
-		y -= full ? 0 : 16 << 4;
-		cb -= 128 << 4;
-		cr -= 128 << 4;
-
-		if (cb <= 0)
-			*b = y_fac * y + (full ? bt2020c_full[0] : bt2020c[0]) * cb;
-		else
-			*b = y_fac * y + (full ? bt2020c_full[1] : bt2020c[1]) * cb;
-		*b = *b >> 12;
-		if (cr <= 0)
-			*r = y_fac * y + (full ? bt2020c_full[2] : bt2020c[2]) * cr;
-		else
-			*r = y_fac * y + (full ? bt2020c_full[3] : bt2020c[3]) * cr;
-		*r = *r >> 12;
-		lin_r = rec709_to_linear(*r);
-		lin_b = rec709_to_linear(*b);
-		lin_y = rec709_to_linear((y * 255) / (full ? 255 : 219));
-
-		lin_g = COEFF(1.0 / 0.6780, 255) * lin_y -
-			COEFF(0.2627 / 0.6780, 255) * lin_r -
-			COEFF(0.0593 / 0.6780, 255) * lin_b;
-		*g = linear_to_rec709(lin_g >> 12);
-		break;
-	case V4L2_YCBCR_ENC_SMPTE240M:
-		ycbcr2rgb(full ? smpte240m_full : smpte240m, y, cb, cr, y_offset, r, g, b);
-		break;
-	case V4L2_YCBCR_ENC_709:
-	default:
-		ycbcr2rgb(full ? rec709_full : rec709, y, cb, cr, y_offset, r, g, b);
-		break;
-	}
-}
-
-/* precalculate color bar values to speed up rendering */
-static void precalculate_color(struct tpg_data *tpg, int k)
-{
-	int col = k;
-	int r = tpg_colors[col].r;
-	int g = tpg_colors[col].g;
-	int b = tpg_colors[col].b;
-
-	if (k == TPG_COLOR_TEXTBG) {
-		col = tpg_get_textbg_color(tpg);
-
-		r = tpg_colors[col].r;
-		g = tpg_colors[col].g;
-		b = tpg_colors[col].b;
-	} else if (k == TPG_COLOR_TEXTFG) {
-		col = tpg_get_textfg_color(tpg);
-
-		r = tpg_colors[col].r;
-		g = tpg_colors[col].g;
-		b = tpg_colors[col].b;
-	} else if (tpg->pattern == TPG_PAT_NOISE) {
-		r = g = b = prandom_u32_max(256);
-	} else if (k == TPG_COLOR_RANDOM) {
-		r = g = b = tpg->qual_offset + prandom_u32_max(196);
-	} else if (k >= TPG_COLOR_RAMP) {
-		r = g = b = k - TPG_COLOR_RAMP;
-	}
-
-	if (tpg->pattern == TPG_PAT_CSC_COLORBAR && col <= TPG_COLOR_CSC_BLACK) {
-		r = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].r;
-		g = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].g;
-		b = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].b;
-	} else {
-		r <<= 4;
-		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) {
-		/* Rec. 709 Luma function */
-		/* (0.2126, 0.7152, 0.0722) * (255 * 256) */
-		r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16;
-	}
-
-	/*
-	 * The assumption is that the RGB output is always full range,
-	 * so only if the rgb_range overrides the 'real' rgb range do
-	 * we need to convert the RGB values.
-	 *
-	 * 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) {
-		/*
-		 * Convert from full range (which is what r, g and b are)
-		 * to limited range (which is the 'real' RGB range), which
-		 * is then interpreted as full range.
-		 */
-		r = (r * 219) / 255 + (16 << 4);
-		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) {
-		/*
-		 * Clamp r, g and b to the limited range and convert to full
-		 * range since that's what we deliver.
-		 */
-		r = clamp(r, 16 << 4, 235 << 4);
-		g = clamp(g, 16 << 4, 235 << 4);
-		b = clamp(b, 16 << 4, 235 << 4);
-		r = (r - (16 << 4)) * 255 / 219;
-		g = (g - (16 << 4)) * 255 / 219;
-		b = (b - (16 << 4)) * 255 / 219;
-	}
-
-	if (tpg->brightness != 128 || tpg->contrast != 128 ||
-	    tpg->saturation != 128 || tpg->hue) {
-		/* Implement these operations */
-		int y, cb, cr;
-		int tmp_cb, tmp_cr;
-
-		/* First convert to YCbCr */
-
-		color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr);
-
-		y = (16 << 4) + ((y - (16 << 4)) * tpg->contrast) / 128;
-		y += (tpg->brightness << 4) - (128 << 4);
-
-		cb -= 128 << 4;
-		cr -= 128 << 4;
-		tmp_cb = (cb * cos(128 + tpg->hue)) / 127 + (cr * sin[128 + tpg->hue]) / 127;
-		tmp_cr = (cr * cos(128 + tpg->hue)) / 127 - (cb * sin[128 + tpg->hue]) / 127;
-
-		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->is_yuv) {
-		/* Convert to YCbCr */
-		int y, cb, cr;
-
-		color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr);
-
-		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 >> 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;
-			cb >>= 4;
-			cr >>= 4;
-			break;
-		case V4L2_PIX_FMT_YUV555:
-			y >>= 3;
-			cb >>= 3;
-			cr >>= 3;
-			break;
-		case V4L2_PIX_FMT_YUV565:
-			y >>= 3;
-			cb >>= 2;
-			cr >>= 3;
-			break;
-		}
-		tpg->colors[k][0] = y;
-		tpg->colors[k][1] = cb;
-		tpg->colors[k][2] = cr;
-	} else {
-		if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) {
-			r = (r * 219) / 255 + (16 << 4);
-			g = (g * 219) / 255 + (16 << 4);
-			b = (b * 219) / 255 + (16 << 4);
-		}
-		switch (tpg->fourcc) {
-		case V4L2_PIX_FMT_RGB332:
-			r >>= 9;
-			g >>= 9;
-			b >>= 10;
-			break;
-		case V4L2_PIX_FMT_RGB565:
-		case V4L2_PIX_FMT_RGB565X:
-			r >>= 7;
-			g >>= 6;
-			b >>= 7;
-			break;
-		case V4L2_PIX_FMT_RGB444:
-		case V4L2_PIX_FMT_XRGB444:
-		case V4L2_PIX_FMT_ARGB444:
-			r >>= 8;
-			g >>= 8;
-			b >>= 8;
-			break;
-		case V4L2_PIX_FMT_RGB555:
-		case V4L2_PIX_FMT_XRGB555:
-		case V4L2_PIX_FMT_ARGB555:
-		case V4L2_PIX_FMT_RGB555X:
-		case V4L2_PIX_FMT_XRGB555X:
-		case V4L2_PIX_FMT_ARGB555X:
-			r >>= 7;
-			g >>= 7;
-			b >>= 7;
-			break;
-		case V4L2_PIX_FMT_BGR666:
-			r >>= 6;
-			g >>= 6;
-			b >>= 6;
-			break;
-		default:
-			r >>= 4;
-			g >>= 4;
-			b >>= 4;
-			break;
-		}
-
-		tpg->colors[k][0] = r;
-		tpg->colors[k][1] = g;
-		tpg->colors[k][2] = b;
-	}
-}
-
-static void tpg_precalculate_colors(struct tpg_data *tpg)
-{
-	int k;
-
-	for (k = 0; k < TPG_COLOR_MAX; k++)
-		precalculate_color(tpg, k);
-}
-
-/* 'odd' is true for pixels 1, 3, 5, etc. and false for pixels 0, 2, 4, etc. */
-static void gen_twopix(struct tpg_data *tpg,
-		u8 buf[TPG_MAX_PLANES][8], int color, bool odd)
-{
-	unsigned offset = odd * tpg->twopixelsize[0] / 2;
-	u8 alpha = tpg->alpha_component;
-	u8 r_y, g_u, b_v;
-
-	if (tpg->alpha_red_only && color != TPG_COLOR_CSC_RED &&
-				   color != TPG_COLOR_100_RED &&
-				   color != TPG_COLOR_75_RED)
-		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 */
-	b_v = tpg->colors[color][2]; /* B or precalculated V */
-
-	switch (tpg->fourcc) {
-	case V4L2_PIX_FMT_GREY:
-		buf[0][offset] = r_y;
-		break;
-	case V4L2_PIX_FMT_Y16:
-		/*
-		 * Ideally both bytes should be set to r_y, 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
-		 * white (0xffff).
-		 */
-		buf[0][offset] = r_y == 0xff ? r_y : 0;
-		buf[0][offset+1] = r_y;
-		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;
-		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;
-		if (odd) {
-			buf[1][0] = (buf[1][0] + g_u) / 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[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;
-		if (odd) {
-			buf[1][0] = (buf[1][0] + b_v) / 2;
-			buf[2][0] = (buf[2][0] + g_u) / 2;
-			buf[1][1] = buf[1][0];
-			buf[2][1] = buf[2][0];
-			break;
-		}
-		buf[1][0] = b_v;
-		buf[2][0] = g_u;
-		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;
-		if (odd) {
-			buf[1][0] = (buf[1][0] + g_u) / 2;
-			buf[1][1] = (buf[1][1] + b_v) / 2;
-			break;
-		}
-		buf[1][0] = g_u;
-		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;
-		if (odd) {
-			buf[1][0] = (buf[1][0] + b_v) / 2;
-			buf[1][1] = (buf[1][1] + g_u) / 2;
-			break;
-		}
-		buf[1][0] = b_v;
-		buf[1][1] = g_u;
-		break;
-
-	case V4L2_PIX_FMT_YUV444M:
-		buf[0][offset] = r_y;
-		buf[1][offset] = g_u;
-		buf[2][offset] = b_v;
-		break;
-
-	case V4L2_PIX_FMT_YVU444M:
-		buf[0][offset] = r_y;
-		buf[1][offset] = b_v;
-		buf[2][offset] = g_u;
-		break;
-
-	case V4L2_PIX_FMT_NV24:
-		buf[0][offset] = r_y;
-		buf[1][2 * offset] = g_u;
-		buf[1][2 * offset + 1] = b_v;
-		break;
-
-	case V4L2_PIX_FMT_NV42:
-		buf[0][offset] = r_y;
-		buf[1][2 * offset] = b_v;
-		buf[1][2 * offset + 1] = g_u;
-		break;
-
-	case V4L2_PIX_FMT_YUYV:
-		buf[0][offset] = r_y;
-		if (odd) {
-			buf[0][1] = (buf[0][1] + g_u) / 2;
-			buf[0][3] = (buf[0][3] + b_v) / 2;
-			break;
-		}
-		buf[0][1] = g_u;
-		buf[0][3] = b_v;
-		break;
-	case V4L2_PIX_FMT_UYVY:
-		buf[0][offset + 1] = r_y;
-		if (odd) {
-			buf[0][0] = (buf[0][0] + g_u) / 2;
-			buf[0][2] = (buf[0][2] + b_v) / 2;
-			break;
-		}
-		buf[0][0] = g_u;
-		buf[0][2] = b_v;
-		break;
-	case V4L2_PIX_FMT_YVYU:
-		buf[0][offset] = r_y;
-		if (odd) {
-			buf[0][1] = (buf[0][1] + b_v) / 2;
-			buf[0][3] = (buf[0][3] + g_u) / 2;
-			break;
-		}
-		buf[0][1] = b_v;
-		buf[0][3] = g_u;
-		break;
-	case V4L2_PIX_FMT_VYUY:
-		buf[0][offset + 1] = r_y;
-		if (odd) {
-			buf[0][0] = (buf[0][0] + b_v) / 2;
-			buf[0][2] = (buf[0][2] + g_u) / 2;
-			break;
-		}
-		buf[0][0] = b_v;
-		buf[0][2] = g_u;
-		break;
-	case V4L2_PIX_FMT_RGB332:
-		buf[0][offset] = (r_y << 5) | (g_u << 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);
-		break;
-	case V4L2_PIX_FMT_RGB565X:
-		buf[0][offset] = (r_y << 3) | (g_u >> 3);
-		buf[0][offset + 1] = (g_u << 5) | b_v;
-		break;
-	case V4L2_PIX_FMT_RGB444:
-	case V4L2_PIX_FMT_XRGB444:
-		alpha = 0;
-		/* 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;
-		break;
-	case V4L2_PIX_FMT_RGB555:
-	case V4L2_PIX_FMT_XRGB555:
-		alpha = 0;
-		/* 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);
-		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;
-		break;
-	case V4L2_PIX_FMT_RGB24:
-		buf[0][offset] = r_y;
-		buf[0][offset + 1] = g_u;
-		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;
-		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 + 3] = 0;
-		break;
-	case V4L2_PIX_FMT_RGB32:
-	case V4L2_PIX_FMT_XRGB32:
-		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 + 3] = b_v;
-		break;
-	case V4L2_PIX_FMT_BGR32:
-	case V4L2_PIX_FMT_XBGR32:
-		alpha = 0;
-		/* 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 + 3] = alpha;
-		break;
-	case V4L2_PIX_FMT_SBGGR8:
-		buf[0][offset] = odd ? g_u : b_v;
-		buf[1][offset] = odd ? r_y : g_u;
-		break;
-	case V4L2_PIX_FMT_SGBRG8:
-		buf[0][offset] = odd ? b_v : g_u;
-		buf[1][offset] = odd ? g_u : r_y;
-		break;
-	case V4L2_PIX_FMT_SGRBG8:
-		buf[0][offset] = odd ? r_y : g_u;
-		buf[1][offset] = odd ? g_u : b_v;
-		break;
-	case V4L2_PIX_FMT_SRGGB8:
-		buf[0][offset] = odd ? g_u : r_y;
-		buf[1][offset] = odd ? b_v : g_u;
-		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] |= (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] |= (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] |= (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] |= (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] |= (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] |= (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] |= (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] |= (buf[0][offset] >> 4) & 0xf;
-		buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
-		break;
-	}
-}
-
-unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line)
-{
-	switch (tpg->fourcc) {
-	case V4L2_PIX_FMT_SBGGR8:
-	case V4L2_PIX_FMT_SGBRG8:
-	case V4L2_PIX_FMT_SGRBG8:
-	case V4L2_PIX_FMT_SRGGB8:
-	case V4L2_PIX_FMT_SBGGR10:
-	case V4L2_PIX_FMT_SGBRG10:
-	case V4L2_PIX_FMT_SGRBG10:
-	case V4L2_PIX_FMT_SRGGB10:
-	case V4L2_PIX_FMT_SBGGR12:
-	case V4L2_PIX_FMT_SGBRG12:
-	case V4L2_PIX_FMT_SGRBG12:
-	case V4L2_PIX_FMT_SRGGB12:
-		return buf_line & 1;
-	default:
-		return 0;
-	}
-}
-
-/* Return how many pattern lines are used by the current pattern. */
-static unsigned tpg_get_pat_lines(const struct tpg_data *tpg)
-{
-	switch (tpg->pattern) {
-	case TPG_PAT_CHECKERS_16X16:
-	case TPG_PAT_CHECKERS_2X2:
-	case TPG_PAT_CHECKERS_1X1:
-	case TPG_PAT_COLOR_CHECKERS_2X2:
-	case TPG_PAT_COLOR_CHECKERS_1X1:
-	case TPG_PAT_ALTERNATING_HLINES:
-	case TPG_PAT_CROSS_1_PIXEL:
-	case TPG_PAT_CROSS_2_PIXELS:
-	case TPG_PAT_CROSS_10_PIXELS:
-		return 2;
-	case TPG_PAT_100_COLORSQUARES:
-	case TPG_PAT_100_HCOLORBAR:
-		return 8;
-	default:
-		return 1;
-	}
-}
-
-/* Which pattern line should be used for the given frame line. */
-static unsigned tpg_get_pat_line(const struct tpg_data *tpg, unsigned line)
-{
-	switch (tpg->pattern) {
-	case TPG_PAT_CHECKERS_16X16:
-		return (line >> 4) & 1;
-	case TPG_PAT_CHECKERS_1X1:
-	case TPG_PAT_COLOR_CHECKERS_1X1:
-	case TPG_PAT_ALTERNATING_HLINES:
-		return line & 1;
-	case TPG_PAT_CHECKERS_2X2:
-	case TPG_PAT_COLOR_CHECKERS_2X2:
-		return (line & 2) >> 1;
-	case TPG_PAT_100_COLORSQUARES:
-	case TPG_PAT_100_HCOLORBAR:
-		return (line * 8) / tpg->src_height;
-	case TPG_PAT_CROSS_1_PIXEL:
-		return line == tpg->src_height / 2;
-	case TPG_PAT_CROSS_2_PIXELS:
-		return (line + 1) / 2 == tpg->src_height / 4;
-	case TPG_PAT_CROSS_10_PIXELS:
-		return (line + 10) / 20 == tpg->src_height / 40;
-	default:
-		return 0;
-	}
-}
-
-/*
- * Which color should be used for the given pattern line and X coordinate.
- * Note: x is in the range 0 to 2 * tpg->src_width.
- */
-static enum tpg_color tpg_get_color(const struct tpg_data *tpg,
-				    unsigned pat_line, unsigned x)
-{
-	/* Maximum number of bars are TPG_COLOR_MAX - otherwise, the input print code
-	   should be modified */
-	static const enum tpg_color bars[3][8] = {
-		/* Standard ITU-R 75% color bar sequence */
-		{ TPG_COLOR_CSC_WHITE,   TPG_COLOR_75_YELLOW,
-		  TPG_COLOR_75_CYAN,     TPG_COLOR_75_GREEN,
-		  TPG_COLOR_75_MAGENTA,  TPG_COLOR_75_RED,
-		  TPG_COLOR_75_BLUE,     TPG_COLOR_100_BLACK, },
-		/* Standard ITU-R 100% color bar sequence */
-		{ TPG_COLOR_100_WHITE,   TPG_COLOR_100_YELLOW,
-		  TPG_COLOR_100_CYAN,    TPG_COLOR_100_GREEN,
-		  TPG_COLOR_100_MAGENTA, TPG_COLOR_100_RED,
-		  TPG_COLOR_100_BLUE,    TPG_COLOR_100_BLACK, },
-		/* Color bar sequence suitable to test CSC */
-		{ TPG_COLOR_CSC_WHITE,   TPG_COLOR_CSC_YELLOW,
-		  TPG_COLOR_CSC_CYAN,    TPG_COLOR_CSC_GREEN,
-		  TPG_COLOR_CSC_MAGENTA, TPG_COLOR_CSC_RED,
-		  TPG_COLOR_CSC_BLUE,    TPG_COLOR_CSC_BLACK, },
-	};
-
-	switch (tpg->pattern) {
-	case TPG_PAT_75_COLORBAR:
-	case TPG_PAT_100_COLORBAR:
-	case TPG_PAT_CSC_COLORBAR:
-		return bars[tpg->pattern][((x * 8) / tpg->src_width) % 8];
-	case TPG_PAT_100_COLORSQUARES:
-		return bars[1][(pat_line + (x * 8) / tpg->src_width) % 8];
-	case TPG_PAT_100_HCOLORBAR:
-		return bars[1][pat_line];
-	case TPG_PAT_BLACK:
-		return TPG_COLOR_100_BLACK;
-	case TPG_PAT_WHITE:
-		return TPG_COLOR_100_WHITE;
-	case TPG_PAT_RED:
-		return TPG_COLOR_100_RED;
-	case TPG_PAT_GREEN:
-		return TPG_COLOR_100_GREEN;
-	case TPG_PAT_BLUE:
-		return TPG_COLOR_100_BLUE;
-	case TPG_PAT_CHECKERS_16X16:
-		return (((x >> 4) & 1) ^ (pat_line & 1)) ?
-			TPG_COLOR_100_BLACK : TPG_COLOR_100_WHITE;
-	case TPG_PAT_CHECKERS_1X1:
-		return ((x & 1) ^ (pat_line & 1)) ?
-			TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK;
-	case TPG_PAT_COLOR_CHECKERS_1X1:
-		return ((x & 1) ^ (pat_line & 1)) ?
-			TPG_COLOR_100_RED : TPG_COLOR_100_BLUE;
-	case TPG_PAT_CHECKERS_2X2:
-		return (((x >> 1) & 1) ^ (pat_line & 1)) ?
-			TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK;
-	case TPG_PAT_COLOR_CHECKERS_2X2:
-		return (((x >> 1) & 1) ^ (pat_line & 1)) ?
-			TPG_COLOR_100_RED : TPG_COLOR_100_BLUE;
-	case TPG_PAT_ALTERNATING_HLINES:
-		return pat_line ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK;
-	case TPG_PAT_ALTERNATING_VLINES:
-		return (x & 1) ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK;
-	case TPG_PAT_CROSS_1_PIXEL:
-		if (pat_line || (x % tpg->src_width) == tpg->src_width / 2)
-			return TPG_COLOR_100_BLACK;
-		return TPG_COLOR_100_WHITE;
-	case TPG_PAT_CROSS_2_PIXELS:
-		if (pat_line || ((x % tpg->src_width) + 1) / 2 == tpg->src_width / 4)
-			return TPG_COLOR_100_BLACK;
-		return TPG_COLOR_100_WHITE;
-	case TPG_PAT_CROSS_10_PIXELS:
-		if (pat_line || ((x % tpg->src_width) + 10) / 20 == tpg->src_width / 40)
-			return TPG_COLOR_100_BLACK;
-		return TPG_COLOR_100_WHITE;
-	case TPG_PAT_GRAY_RAMP:
-		return TPG_COLOR_RAMP + ((x % tpg->src_width) * 256) / tpg->src_width;
-	default:
-		return TPG_COLOR_100_RED;
-	}
-}
-
-/*
- * Given the pixel aspect ratio and video aspect ratio calculate the
- * coordinates of a centered square and the coordinates of the border of
- * the active video area. The coordinates are relative to the source
- * frame rectangle.
- */
-static void tpg_calculate_square_border(struct tpg_data *tpg)
-{
-	unsigned w = tpg->src_width;
-	unsigned h = tpg->src_height;
-	unsigned sq_w, sq_h;
-
-	sq_w = (w * 2 / 5) & ~1;
-	if (((w - sq_w) / 2) & 1)
-		sq_w += 2;
-	sq_h = sq_w;
-	tpg->square.width = sq_w;
-	if (tpg->vid_aspect == TPG_VIDEO_ASPECT_16X9_ANAMORPHIC) {
-		unsigned ana_sq_w = (sq_w / 4) * 3;
-
-		if (((w - ana_sq_w) / 2) & 1)
-			ana_sq_w += 2;
-		tpg->square.width = ana_sq_w;
-	}
-	tpg->square.left = (w - tpg->square.width) / 2;
-	if (tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC)
-		sq_h = sq_w * 10 / 11;
-	else if (tpg->pix_aspect == TPG_PIXEL_ASPECT_PAL)
-		sq_h = sq_w * 59 / 54;
-	tpg->square.height = sq_h;
-	tpg->square.top = (h - sq_h) / 2;
-	tpg->border.left = 0;
-	tpg->border.width = w;
-	tpg->border.top = 0;
-	tpg->border.height = h;
-	switch (tpg->vid_aspect) {
-	case TPG_VIDEO_ASPECT_4X3:
-		if (tpg->pix_aspect)
-			return;
-		if (3 * w >= 4 * h) {
-			tpg->border.width = ((4 * h) / 3) & ~1;
-			if (((w - tpg->border.width) / 2) & ~1)
-				tpg->border.width -= 2;
-			tpg->border.left = (w - tpg->border.width) / 2;
-			break;
-		}
-		tpg->border.height = ((3 * w) / 4) & ~1;
-		tpg->border.top = (h - tpg->border.height) / 2;
-		break;
-	case TPG_VIDEO_ASPECT_14X9_CENTRE:
-		if (tpg->pix_aspect) {
-			tpg->border.height = tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC ? 420 : 506;
-			tpg->border.top = (h - tpg->border.height) / 2;
-			break;
-		}
-		if (9 * w >= 14 * h) {
-			tpg->border.width = ((14 * h) / 9) & ~1;
-			if (((w - tpg->border.width) / 2) & ~1)
-				tpg->border.width -= 2;
-			tpg->border.left = (w - tpg->border.width) / 2;
-			break;
-		}
-		tpg->border.height = ((9 * w) / 14) & ~1;
-		tpg->border.top = (h - tpg->border.height) / 2;
-		break;
-	case TPG_VIDEO_ASPECT_16X9_CENTRE:
-		if (tpg->pix_aspect) {
-			tpg->border.height = tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC ? 368 : 442;
-			tpg->border.top = (h - tpg->border.height) / 2;
-			break;
-		}
-		if (9 * w >= 16 * h) {
-			tpg->border.width = ((16 * h) / 9) & ~1;
-			if (((w - tpg->border.width) / 2) & ~1)
-				tpg->border.width -= 2;
-			tpg->border.left = (w - tpg->border.width) / 2;
-			break;
-		}
-		tpg->border.height = ((9 * w) / 16) & ~1;
-		tpg->border.top = (h - tpg->border.height) / 2;
-		break;
-	default:
-		break;
-	}
-}
-
-static void tpg_precalculate_line(struct tpg_data *tpg)
-{
-	enum tpg_color contrast;
-	u8 pix[TPG_MAX_PLANES][8];
-	unsigned pat;
-	unsigned p;
-	unsigned x;
-
-	switch (tpg->pattern) {
-	case TPG_PAT_GREEN:
-		contrast = TPG_COLOR_100_RED;
-		break;
-	case TPG_PAT_CSC_COLORBAR:
-		contrast = TPG_COLOR_CSC_GREEN;
-		break;
-	default:
-		contrast = TPG_COLOR_100_GREEN;
-		break;
-	}
-
-	for (pat = 0; pat < tpg_get_pat_lines(tpg); pat++) {
-		/* Coarse scaling with Bresenham */
-		unsigned int_part = tpg->src_width / tpg->scaled_width;
-		unsigned fract_part = tpg->src_width % tpg->scaled_width;
-		unsigned src_x = 0;
-		unsigned error = 0;
-
-		for (x = 0; x < tpg->scaled_width * 2; x += 2) {
-			unsigned real_x = src_x;
-			enum tpg_color color1, color2;
-
-			real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x;
-			color1 = tpg_get_color(tpg, pat, real_x);
-
-			src_x += int_part;
-			error += fract_part;
-			if (error >= tpg->scaled_width) {
-				error -= tpg->scaled_width;
-				src_x++;
-			}
-
-			real_x = src_x;
-			real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x;
-			color2 = tpg_get_color(tpg, pat, real_x);
-
-			src_x += int_part;
-			error += fract_part;
-			if (error >= tpg->scaled_width) {
-				error -= tpg->scaled_width;
-				src_x++;
-			}
-
-			gen_twopix(tpg, pix, tpg->hflip ? color2 : color1, 0);
-			gen_twopix(tpg, pix, tpg->hflip ? color1 : color2, 1);
-			for (p = 0; p < tpg->planes; p++) {
-				unsigned twopixsize = tpg->twopixelsize[p];
-				unsigned hdiv = tpg->hdownsampling[p];
-				u8 *pos = tpg->lines[pat][p] + tpg_hdiv(tpg, p, x);
-
-				memcpy(pos, pix[p], twopixsize / hdiv);
-			}
-		}
-	}
-
-	if (tpg->vdownsampling[tpg->planes - 1] > 1) {
-		unsigned pat_lines = tpg_get_pat_lines(tpg);
-
-		for (pat = 0; pat < pat_lines; pat++) {
-			unsigned next_pat = (pat + 1) % pat_lines;
-
-			for (p = 1; p < tpg->planes; p++) {
-				unsigned w = tpg_hdiv(tpg, p, tpg->scaled_width * 2);
-				u8 *pos1 = tpg->lines[pat][p];
-				u8 *pos2 = tpg->lines[next_pat][p];
-				u8 *dest = tpg->downsampled_lines[pat][p];
-
-				for (x = 0; x < w; x++, pos1++, pos2++, dest++)
-					*dest = ((u16)*pos1 + (u16)*pos2) / 2;
-			}
-		}
-	}
-
-	gen_twopix(tpg, pix, contrast, 0);
-	gen_twopix(tpg, pix, contrast, 1);
-	for (p = 0; p < tpg->planes; p++) {
-		unsigned twopixsize = tpg->twopixelsize[p];
-		u8 *pos = tpg->contrast_line[p];
-
-		for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize)
-			memcpy(pos, pix[p], twopixsize);
-	}
-
-	gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 0);
-	gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 1);
-	for (p = 0; p < tpg->planes; p++) {
-		unsigned twopixsize = tpg->twopixelsize[p];
-		u8 *pos = tpg->black_line[p];
-
-		for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize)
-			memcpy(pos, pix[p], twopixsize);
-	}
-
-	for (x = 0; x < tpg->scaled_width * 2; x += 2) {
-		gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 0);
-		gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 1);
-		for (p = 0; p < tpg->planes; p++) {
-			unsigned twopixsize = tpg->twopixelsize[p];
-			u8 *pos = tpg->random_line[p] + x * twopixsize / 2;
-
-			memcpy(pos, pix[p], twopixsize);
-		}
-	}
-
-	gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 0);
-	gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 1);
-	gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 0);
-	gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 1);
-}
-
-/* need this to do rgb24 rendering */
-typedef struct { u16 __; u8 _; } __packed x24;
-
-#define PRINTSTR(PIXTYPE) do {	\
-	unsigned vdiv = tpg->vdownsampling[p]; \
-	unsigned hdiv = tpg->hdownsampling[p]; \
-	int line;	\
-	PIXTYPE fg;	\
-	PIXTYPE bg;	\
-	memcpy(&fg, tpg->textfg[p], sizeof(PIXTYPE));	\
-	memcpy(&bg, tpg->textbg[p], sizeof(PIXTYPE));	\
-	\
-	for (line = first; line < 16; line += vdiv * step) {	\
-		int l = tpg->vflip ? 15 - line : line; \
-		PIXTYPE *pos = (PIXTYPE *)(basep[p][(line / vdiv) & 1] + \
-			       ((y * step + l) / (vdiv * div)) * tpg->bytesperline[p] + \
-			       (x / hdiv) * sizeof(PIXTYPE));	\
-		unsigned s;	\
-	\
-		for (s = 0; s < len; s++) {	\
-			u8 chr = font8x16[text[s] * 16 + line];	\
-	\
-			if (hdiv == 2 && tpg->hflip) { \
-				pos[3] = (chr & (0x01 << 6) ? fg : bg);	\
-				pos[2] = (chr & (0x01 << 4) ? fg : bg);	\
-				pos[1] = (chr & (0x01 << 2) ? fg : bg);	\
-				pos[0] = (chr & (0x01 << 0) ? fg : bg);	\
-			} else if (hdiv == 2) { \
-				pos[0] = (chr & (0x01 << 7) ? fg : bg);	\
-				pos[1] = (chr & (0x01 << 5) ? fg : bg);	\
-				pos[2] = (chr & (0x01 << 3) ? fg : bg);	\
-				pos[3] = (chr & (0x01 << 1) ? fg : bg);	\
-			} else if (tpg->hflip) { \
-				pos[7] = (chr & (0x01 << 7) ? fg : bg);	\
-				pos[6] = (chr & (0x01 << 6) ? fg : bg);	\
-				pos[5] = (chr & (0x01 << 5) ? fg : bg);	\
-				pos[4] = (chr & (0x01 << 4) ? fg : bg);	\
-				pos[3] = (chr & (0x01 << 3) ? fg : bg);	\
-				pos[2] = (chr & (0x01 << 2) ? fg : bg);	\
-				pos[1] = (chr & (0x01 << 1) ? fg : bg);	\
-				pos[0] = (chr & (0x01 << 0) ? fg : bg);	\
-			} else { \
-				pos[0] = (chr & (0x01 << 7) ? fg : bg);	\
-				pos[1] = (chr & (0x01 << 6) ? fg : bg);	\
-				pos[2] = (chr & (0x01 << 5) ? fg : bg);	\
-				pos[3] = (chr & (0x01 << 4) ? fg : bg);	\
-				pos[4] = (chr & (0x01 << 3) ? fg : bg);	\
-				pos[5] = (chr & (0x01 << 2) ? fg : bg);	\
-				pos[6] = (chr & (0x01 << 1) ? fg : bg);	\
-				pos[7] = (chr & (0x01 << 0) ? fg : bg);	\
-			} \
-	\
-			pos += (tpg->hflip ? -8 : 8) / hdiv;	\
-		}	\
-	}	\
-} while (0)
-
-static noinline void tpg_print_str_2(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
-			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
-{
-	PRINTSTR(u8);
-}
-
-static noinline void tpg_print_str_4(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
-			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
-{
-	PRINTSTR(u16);
-}
-
-static noinline void tpg_print_str_6(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
-			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
-{
-	PRINTSTR(x24);
-}
-
-static noinline void tpg_print_str_8(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
-			unsigned p, unsigned first, unsigned div, unsigned step,
-			int y, int x, char *text, unsigned len)
-{
-	PRINTSTR(u32);
-}
-
-void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2],
-		  int y, int x, char *text)
-{
-	unsigned step = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
-	unsigned div = step;
-	unsigned first = 0;
-	unsigned len = strlen(text);
-	unsigned p;
-
-	if (font8x16 == NULL || basep == NULL)
-		return;
-
-	/* Checks if it is possible to show string */
-	if (y + 16 >= tpg->compose.height || x + 8 >= tpg->compose.width)
-		return;
-
-	if (len > (tpg->compose.width - x) / 8)
-		len = (tpg->compose.width - x) / 8;
-	if (tpg->vflip)
-		y = tpg->compose.height - y - 16;
-	if (tpg->hflip)
-		x = tpg->compose.width - x - 8;
-	y += tpg->compose.top;
-	x += tpg->compose.left;
-	if (tpg->field == V4L2_FIELD_BOTTOM)
-		first = 1;
-	else if (tpg->field == V4L2_FIELD_SEQ_TB || tpg->field == V4L2_FIELD_SEQ_BT)
-		div = 2;
-
-	for (p = 0; p < tpg->planes; p++) {
-		/* Print text */
-		switch (tpg->twopixelsize[p]) {
-		case 2:
-			tpg_print_str_2(tpg, basep, p, first, div, step, y, x,
-					text, len);
-			break;
-		case 4:
-			tpg_print_str_4(tpg, basep, p, first, div, step, y, x,
-					text, len);
-			break;
-		case 6:
-			tpg_print_str_6(tpg, basep, p, first, div, step, y, x,
-					text, len);
-			break;
-		case 8:
-			tpg_print_str_8(tpg, basep, p, first, div, step, y, x,
-					text, len);
-			break;
-		}
-	}
-}
-
-void tpg_update_mv_step(struct tpg_data *tpg)
-{
-	int factor = tpg->mv_hor_mode > TPG_MOVE_NONE ? -1 : 1;
-
-	if (tpg->hflip)
-		factor = -factor;
-	switch (tpg->mv_hor_mode) {
-	case TPG_MOVE_NEG_FAST:
-	case TPG_MOVE_POS_FAST:
-		tpg->mv_hor_step = ((tpg->src_width + 319) / 320) * 4;
-		break;
-	case TPG_MOVE_NEG:
-	case TPG_MOVE_POS:
-		tpg->mv_hor_step = ((tpg->src_width + 639) / 640) * 4;
-		break;
-	case TPG_MOVE_NEG_SLOW:
-	case TPG_MOVE_POS_SLOW:
-		tpg->mv_hor_step = 2;
-		break;
-	case TPG_MOVE_NONE:
-		tpg->mv_hor_step = 0;
-		break;
-	}
-	if (factor < 0)
-		tpg->mv_hor_step = tpg->src_width - tpg->mv_hor_step;
-
-	factor = tpg->mv_vert_mode > TPG_MOVE_NONE ? -1 : 1;
-	switch (tpg->mv_vert_mode) {
-	case TPG_MOVE_NEG_FAST:
-	case TPG_MOVE_POS_FAST:
-		tpg->mv_vert_step = ((tpg->src_width + 319) / 320) * 4;
-		break;
-	case TPG_MOVE_NEG:
-	case TPG_MOVE_POS:
-		tpg->mv_vert_step = ((tpg->src_width + 639) / 640) * 4;
-		break;
-	case TPG_MOVE_NEG_SLOW:
-	case TPG_MOVE_POS_SLOW:
-		tpg->mv_vert_step = 1;
-		break;
-	case TPG_MOVE_NONE:
-		tpg->mv_vert_step = 0;
-		break;
-	}
-	if (factor < 0)
-		tpg->mv_vert_step = tpg->src_height - tpg->mv_vert_step;
-}
-
-/* Map the line number relative to the crop rectangle to a frame line number */
-static unsigned tpg_calc_frameline(const struct tpg_data *tpg, unsigned src_y,
-				    unsigned field)
-{
-	switch (field) {
-	case V4L2_FIELD_TOP:
-		return tpg->crop.top + src_y * 2;
-	case V4L2_FIELD_BOTTOM:
-		return tpg->crop.top + src_y * 2 + 1;
-	default:
-		return src_y + tpg->crop.top;
-	}
-}
-
-/*
- * Map the line number relative to the compose rectangle to a destination
- * buffer line number.
- */
-static unsigned tpg_calc_buffer_line(const struct tpg_data *tpg, unsigned y,
-				    unsigned field)
-{
-	y += tpg->compose.top;
-	switch (field) {
-	case V4L2_FIELD_SEQ_TB:
-		if (y & 1)
-			return tpg->buf_height / 2 + y / 2;
-		return y / 2;
-	case V4L2_FIELD_SEQ_BT:
-		if (y & 1)
-			return y / 2;
-		return tpg->buf_height / 2 + y / 2;
-	default:
-		return y;
-	}
-}
-
-static void tpg_recalc(struct tpg_data *tpg)
-{
-	if (tpg->recalc_colors) {
-		tpg->recalc_colors = false;
-		tpg->recalc_lines = true;
-		tpg->real_xfer_func = tpg->xfer_func;
-		tpg->real_ycbcr_enc = tpg->ycbcr_enc;
-		tpg->real_quantization = tpg->quantization;
-
-		if (tpg->xfer_func == V4L2_XFER_FUNC_DEFAULT)
-			tpg->real_xfer_func =
-				V4L2_MAP_XFER_FUNC_DEFAULT(tpg->colorspace);
-
-		if (tpg->ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT)
-			tpg->real_ycbcr_enc =
-				V4L2_MAP_YCBCR_ENC_DEFAULT(tpg->colorspace);
-
-		if (tpg->quantization == V4L2_QUANTIZATION_DEFAULT)
-			tpg->real_quantization =
-				V4L2_MAP_QUANTIZATION_DEFAULT(!tpg->is_yuv,
-					tpg->colorspace, tpg->real_ycbcr_enc);
-
-		tpg_precalculate_colors(tpg);
-	}
-	if (tpg->recalc_square_border) {
-		tpg->recalc_square_border = false;
-		tpg_calculate_square_border(tpg);
-	}
-	if (tpg->recalc_lines) {
-		tpg->recalc_lines = false;
-		tpg_precalculate_line(tpg);
-	}
-}
-
-void tpg_calc_text_basep(struct tpg_data *tpg,
-		u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf)
-{
-	unsigned stride = tpg->bytesperline[p];
-	unsigned h = tpg->buf_height;
-
-	tpg_recalc(tpg);
-
-	basep[p][0] = vbuf;
-	basep[p][1] = vbuf;
-	h /= tpg->vdownsampling[p];
-	if (tpg->field == V4L2_FIELD_SEQ_TB)
-		basep[p][1] += h * stride / 2;
-	else if (tpg->field == V4L2_FIELD_SEQ_BT)
-		basep[p][0] += h * stride / 2;
-	if (p == 0 && tpg->interleaved)
-		tpg_calc_text_basep(tpg, basep, 1, vbuf);
-}
-
-static int tpg_pattern_avg(const struct tpg_data *tpg,
-			   unsigned pat1, unsigned pat2)
-{
-	unsigned pat_lines = tpg_get_pat_lines(tpg);
-
-	if (pat1 == (pat2 + 1) % pat_lines)
-		return pat2;
-	if (pat2 == (pat1 + 1) % pat_lines)
-		return pat1;
-	return -1;
-}
-
-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");
-	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);
-	pr_info("tpg compose: %ux%u@%dx%d\n", tpg->compose.width, tpg->compose.height,
-			tpg->compose.left, tpg->compose.top);
-	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 quantization: %d/%d\n", tpg->quantization, tpg->real_quantization);
-	pr_info("tpg RGB range: %d/%d\n", tpg->rgb_range, tpg->real_rgb_range);
-}
-
-/*
- * This struct contains common parameters used by both the drawing of the
- * test pattern and the drawing of the extras (borders, square, etc.)
- */
-struct tpg_draw_params {
-	/* common data */
-	bool is_tv;
-	bool is_60hz;
-	unsigned twopixsize;
-	unsigned img_width;
-	unsigned stride;
-	unsigned hmax;
-	unsigned frame_line;
-	unsigned frame_line_next;
-
-	/* test pattern */
-	unsigned mv_hor_old;
-	unsigned mv_hor_new;
-	unsigned mv_vert_old;
-	unsigned mv_vert_new;
-
-	/* extras */
-	unsigned wss_width;
-	unsigned wss_random_offset;
-	unsigned sav_eav_f;
-	unsigned left_pillar_width;
-	unsigned right_pillar_start;
-};
-
-static void tpg_fill_params_pattern(const struct tpg_data *tpg, unsigned p,
-				    struct tpg_draw_params *params)
-{
-	params->mv_hor_old =
-		tpg_hscale_div(tpg, p, tpg->mv_hor_count % tpg->src_width);
-	params->mv_hor_new =
-		tpg_hscale_div(tpg, p, (tpg->mv_hor_count + tpg->mv_hor_step) %
-			       tpg->src_width);
-	params->mv_vert_old = tpg->mv_vert_count % tpg->src_height;
-	params->mv_vert_new =
-		(tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height;
-}
-
-static void tpg_fill_params_extras(const struct tpg_data *tpg,
-				   unsigned p,
-				   struct tpg_draw_params *params)
-{
-	unsigned left_pillar_width = 0;
-	unsigned right_pillar_start = params->img_width;
-
-	params->wss_width = tpg->crop.left < tpg->src_width / 2 ?
-		tpg->src_width / 2 - tpg->crop.left : 0;
-	if (params->wss_width > tpg->crop.width)
-		params->wss_width = tpg->crop.width;
-	params->wss_width = tpg_hscale_div(tpg, p, params->wss_width);
-	params->wss_random_offset =
-		params->twopixsize * prandom_u32_max(tpg->src_width / 2);
-
-	if (tpg->crop.left < tpg->border.left) {
-		left_pillar_width = tpg->border.left - tpg->crop.left;
-		if (left_pillar_width > tpg->crop.width)
-			left_pillar_width = tpg->crop.width;
-		left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width);
-	}
-	params->left_pillar_width = left_pillar_width;
-
-	if (tpg->crop.left + tpg->crop.width >
-	    tpg->border.left + tpg->border.width) {
-		right_pillar_start =
-			tpg->border.left + tpg->border.width - tpg->crop.left;
-		right_pillar_start =
-			tpg_hscale_div(tpg, p, right_pillar_start);
-		if (right_pillar_start > params->img_width)
-			right_pillar_start = params->img_width;
-	}
-	params->right_pillar_start = right_pillar_start;
-
-	params->sav_eav_f = tpg->field ==
-			(params->is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
-}
-
-static void tpg_fill_plane_extras(const struct tpg_data *tpg,
-				  const struct tpg_draw_params *params,
-				  unsigned p, unsigned h, u8 *vbuf)
-{
-	unsigned twopixsize = params->twopixsize;
-	unsigned img_width = params->img_width;
-	unsigned frame_line = params->frame_line;
-	const struct v4l2_rect *sq = &tpg->square;
-	const struct v4l2_rect *b = &tpg->border;
-	const struct v4l2_rect *c = &tpg->crop;
-
-	if (params->is_tv && !params->is_60hz &&
-	    frame_line == 0 && params->wss_width) {
-		/*
-		 * Replace the first half of the top line of a 50 Hz frame
-		 * with random data to simulate a WSS signal.
-		 */
-		u8 *wss = tpg->random_line[p] + params->wss_random_offset;
-
-		memcpy(vbuf, wss, params->wss_width);
-	}
-
-	if (tpg->show_border && frame_line >= b->top &&
-	    frame_line < b->top + b->height) {
-		unsigned bottom = b->top + b->height - 1;
-		unsigned left = params->left_pillar_width;
-		unsigned right = params->right_pillar_start;
-
-		if (frame_line == b->top || frame_line == b->top + 1 ||
-		    frame_line == bottom || frame_line == bottom - 1) {
-			memcpy(vbuf + left, tpg->contrast_line[p],
-					right - left);
-		} else {
-			if (b->left >= c->left &&
-			    b->left < c->left + c->width)
-				memcpy(vbuf + left,
-					tpg->contrast_line[p], twopixsize);
-			if (b->left + b->width > c->left &&
-			    b->left + b->width <= c->left + c->width)
-				memcpy(vbuf + right - twopixsize,
-					tpg->contrast_line[p], twopixsize);
-		}
-	}
-	if (tpg->qual != TPG_QUAL_NOISE && frame_line >= b->top &&
-	    frame_line < b->top + b->height) {
-		memcpy(vbuf, tpg->black_line[p], params->left_pillar_width);
-		memcpy(vbuf + params->right_pillar_start, tpg->black_line[p],
-		       img_width - params->right_pillar_start);
-	}
-	if (tpg->show_square && frame_line >= sq->top &&
-	    frame_line < sq->top + sq->height &&
-	    sq->left < c->left + c->width &&
-	    sq->left + sq->width >= c->left) {
-		unsigned left = sq->left;
-		unsigned width = sq->width;
-
-		if (c->left > left) {
-			width -= c->left - left;
-			left = c->left;
-		}
-		if (c->left + c->width < left + width)
-			width -= left + width - c->left - c->width;
-		left -= c->left;
-		left = tpg_hscale_div(tpg, p, left);
-		width = tpg_hscale_div(tpg, p, width);
-		memcpy(vbuf + left, tpg->contrast_line[p], width);
-	}
-	if (tpg->insert_sav) {
-		unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width / 3);
-		u8 *p = vbuf + offset;
-		unsigned vact = 0, hact = 0;
-
-		p[0] = 0xff;
-		p[1] = 0;
-		p[2] = 0;
-		p[3] = 0x80 | (params->sav_eav_f << 6) |
-			(vact << 5) | (hact << 4) |
-			((hact ^ vact) << 3) |
-			((hact ^ params->sav_eav_f) << 2) |
-			((params->sav_eav_f ^ vact) << 1) |
-			(hact ^ vact ^ params->sav_eav_f);
-	}
-	if (tpg->insert_eav) {
-		unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width * 2 / 3);
-		u8 *p = vbuf + offset;
-		unsigned vact = 0, hact = 1;
-
-		p[0] = 0xff;
-		p[1] = 0;
-		p[2] = 0;
-		p[3] = 0x80 | (params->sav_eav_f << 6) |
-			(vact << 5) | (hact << 4) |
-			((hact ^ vact) << 3) |
-			((hact ^ params->sav_eav_f) << 2) |
-			((params->sav_eav_f ^ vact) << 1) |
-			(hact ^ vact ^ params->sav_eav_f);
-	}
-}
-
-static void tpg_fill_plane_pattern(const struct tpg_data *tpg,
-				   const struct tpg_draw_params *params,
-				   unsigned p, unsigned h, u8 *vbuf)
-{
-	unsigned twopixsize = params->twopixsize;
-	unsigned img_width = params->img_width;
-	unsigned mv_hor_old = params->mv_hor_old;
-	unsigned mv_hor_new = params->mv_hor_new;
-	unsigned mv_vert_old = params->mv_vert_old;
-	unsigned mv_vert_new = params->mv_vert_new;
-	unsigned frame_line = params->frame_line;
-	unsigned frame_line_next = params->frame_line_next;
-	unsigned line_offset = tpg_hscale_div(tpg, p, tpg->crop.left);
-	bool even;
-	bool fill_blank = false;
-	unsigned pat_line_old;
-	unsigned pat_line_new;
-	u8 *linestart_older;
-	u8 *linestart_newer;
-	u8 *linestart_top;
-	u8 *linestart_bottom;
-
-	even = !(frame_line & 1);
-
-	if (h >= params->hmax) {
-		if (params->hmax == tpg->compose.height)
-			return;
-		if (!tpg->perc_fill_blank)
-			return;
-		fill_blank = true;
-	}
-
-	if (tpg->vflip) {
-		frame_line = tpg->src_height - frame_line - 1;
-		frame_line_next = tpg->src_height - frame_line_next - 1;
-	}
-
-	if (fill_blank) {
-		linestart_older = tpg->contrast_line[p];
-		linestart_newer = tpg->contrast_line[p];
-	} else if (tpg->qual != TPG_QUAL_NOISE &&
-		   (frame_line < tpg->border.top ||
-		    frame_line >= tpg->border.top + tpg->border.height)) {
-		linestart_older = tpg->black_line[p];
-		linestart_newer = tpg->black_line[p];
-	} else if (tpg->pattern == TPG_PAT_NOISE || tpg->qual == TPG_QUAL_NOISE) {
-		linestart_older = tpg->random_line[p] +
-				  twopixsize * prandom_u32_max(tpg->src_width / 2);
-		linestart_newer = tpg->random_line[p] +
-				  twopixsize * prandom_u32_max(tpg->src_width / 2);
-	} else {
-		unsigned frame_line_old =
-			(frame_line + mv_vert_old) % tpg->src_height;
-		unsigned frame_line_new =
-			(frame_line + mv_vert_new) % tpg->src_height;
-		unsigned pat_line_next_old;
-		unsigned pat_line_next_new;
-
-		pat_line_old = tpg_get_pat_line(tpg, frame_line_old);
-		pat_line_new = tpg_get_pat_line(tpg, frame_line_new);
-		linestart_older = tpg->lines[pat_line_old][p] + mv_hor_old;
-		linestart_newer = tpg->lines[pat_line_new][p] + mv_hor_new;
-
-		if (tpg->vdownsampling[p] > 1 && frame_line != frame_line_next) {
-			int avg_pat;
-
-			/*
-			 * Now decide whether we need to use downsampled_lines[].
-			 * That's necessary if the two lines use different patterns.
-			 */
-			pat_line_next_old = tpg_get_pat_line(tpg,
-					(frame_line_next + mv_vert_old) % tpg->src_height);
-			pat_line_next_new = tpg_get_pat_line(tpg,
-					(frame_line_next + mv_vert_new) % tpg->src_height);
-
-			switch (tpg->field) {
-			case V4L2_FIELD_INTERLACED:
-			case V4L2_FIELD_INTERLACED_BT:
-			case V4L2_FIELD_INTERLACED_TB:
-				avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_new);
-				if (avg_pat < 0)
-					break;
-				linestart_older = tpg->downsampled_lines[avg_pat][p] + mv_hor_old;
-				linestart_newer = linestart_older;
-				break;
-			case V4L2_FIELD_NONE:
-			case V4L2_FIELD_TOP:
-			case V4L2_FIELD_BOTTOM:
-			case V4L2_FIELD_SEQ_BT:
-			case V4L2_FIELD_SEQ_TB:
-				avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_next_old);
-				if (avg_pat >= 0)
-					linestart_older = tpg->downsampled_lines[avg_pat][p] +
-						mv_hor_old;
-				avg_pat = tpg_pattern_avg(tpg, pat_line_new, pat_line_next_new);
-				if (avg_pat >= 0)
-					linestart_newer = tpg->downsampled_lines[avg_pat][p] +
-						mv_hor_new;
-				break;
-			}
-		}
-		linestart_older += line_offset;
-		linestart_newer += line_offset;
-	}
-	if (tpg->field_alternate) {
-		linestart_top = linestart_bottom = linestart_older;
-	} else if (params->is_60hz) {
-		linestart_top = linestart_newer;
-		linestart_bottom = linestart_older;
-	} else {
-		linestart_top = linestart_older;
-		linestart_bottom = linestart_newer;
-	}
-
-	switch (tpg->field) {
-	case V4L2_FIELD_INTERLACED:
-	case V4L2_FIELD_INTERLACED_TB:
-	case V4L2_FIELD_SEQ_TB:
-	case V4L2_FIELD_SEQ_BT:
-		if (even)
-			memcpy(vbuf, linestart_top, img_width);
-		else
-			memcpy(vbuf, linestart_bottom, img_width);
-		break;
-	case V4L2_FIELD_INTERLACED_BT:
-		if (even)
-			memcpy(vbuf, linestart_bottom, img_width);
-		else
-			memcpy(vbuf, linestart_top, img_width);
-		break;
-	case V4L2_FIELD_TOP:
-		memcpy(vbuf, linestart_top, img_width);
-		break;
-	case V4L2_FIELD_BOTTOM:
-		memcpy(vbuf, linestart_bottom, img_width);
-		break;
-	case V4L2_FIELD_NONE:
-	default:
-		memcpy(vbuf, linestart_older, img_width);
-		break;
-	}
-}
-
-void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std,
-			   unsigned p, u8 *vbuf)
-{
-	struct tpg_draw_params params;
-	unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
-
-	/* Coarse scaling with Bresenham */
-	unsigned int_part = (tpg->crop.height / factor) / tpg->compose.height;
-	unsigned fract_part = (tpg->crop.height / factor) % tpg->compose.height;
-	unsigned src_y = 0;
-	unsigned error = 0;
-	unsigned h;
-
-	tpg_recalc(tpg);
-
-	params.is_tv = std;
-	params.is_60hz = std & V4L2_STD_525_60;
-	params.twopixsize = tpg->twopixelsize[p];
-	params.img_width = tpg_hdiv(tpg, p, tpg->compose.width);
-	params.stride = tpg->bytesperline[p];
-	params.hmax = (tpg->compose.height * tpg->perc_fill) / 100;
-
-	tpg_fill_params_pattern(tpg, p, &params);
-	tpg_fill_params_extras(tpg, p, &params);
-
-	vbuf += tpg_hdiv(tpg, p, tpg->compose.left);
-
-	for (h = 0; h < tpg->compose.height; h++) {
-		unsigned buf_line;
-
-		params.frame_line = tpg_calc_frameline(tpg, src_y, tpg->field);
-		params.frame_line_next = params.frame_line;
-		buf_line = tpg_calc_buffer_line(tpg, h, tpg->field);
-		src_y += int_part;
-		error += fract_part;
-		if (error >= tpg->compose.height) {
-			error -= tpg->compose.height;
-			src_y++;
-		}
-
-		/*
-		 * For line-interleaved formats determine the 'plane'
-		 * based on the buffer line.
-		 */
-		if (tpg_g_interleaved(tpg))
-			p = tpg_g_interleaved_plane(tpg, buf_line);
-
-		if (tpg->vdownsampling[p] > 1) {
-			/*
-			 * When doing vertical downsampling the field setting
-			 * matters: for SEQ_BT/TB we downsample each field
-			 * separately (i.e. lines 0+2 are combined, as are
-			 * lines 1+3), for the other field settings we combine
-			 * odd and even lines. Doing that for SEQ_BT/TB would
-			 * be really weird.
-			 */
-			if (tpg->field == V4L2_FIELD_SEQ_BT ||
-			    tpg->field == V4L2_FIELD_SEQ_TB) {
-				unsigned next_src_y = src_y;
-
-				if ((h & 3) >= 2)
-					continue;
-				next_src_y += int_part;
-				if (error + fract_part >= tpg->compose.height)
-					next_src_y++;
-				params.frame_line_next =
-					tpg_calc_frameline(tpg, next_src_y, tpg->field);
-			} else {
-				if (h & 1)
-					continue;
-				params.frame_line_next =
-					tpg_calc_frameline(tpg, src_y, tpg->field);
-			}
-
-			buf_line /= tpg->vdownsampling[p];
-		}
-		tpg_fill_plane_pattern(tpg, &params, p, h,
-				vbuf + buf_line * params.stride);
-		tpg_fill_plane_extras(tpg, &params, p, h,
-				vbuf + buf_line * params.stride);
-	}
-}
-
-void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf)
-{
-	unsigned offset = 0;
-	unsigned i;
-
-	if (tpg->buffers > 1) {
-		tpg_fill_plane_buffer(tpg, std, p, vbuf);
-		return;
-	}
-
-	for (i = 0; i < tpg_g_planes(tpg); i++) {
-		tpg_fill_plane_buffer(tpg, std, i, vbuf + offset);
-		offset += tpg_calc_plane_size(tpg, i);
-	}
-}