aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/vivid/vivid-tpg.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/vivid/vivid-tpg.h')
-rw-r--r--drivers/media/platform/vivid/vivid-tpg.h439
1 files changed, 439 insertions, 0 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg.h b/drivers/media/platform/vivid/vivid-tpg.h
new file mode 100644
index 0000000..8ef3e52
--- /dev/null
+++ b/drivers/media/platform/vivid/vivid-tpg.h
@@ -0,0 +1,439 @@
+/*
+ * vivid-tpg.h - Test Pattern Generator
+ *
+ * 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.
+ */
+
+#ifndef _VIVID_TPG_H_
+#define _VIVID_TPG_H_
+
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/videodev2.h>
+
+#include "vivid-tpg-colors.h"
+
+enum tpg_pattern {
+ TPG_PAT_75_COLORBAR,
+ TPG_PAT_100_COLORBAR,
+ TPG_PAT_CSC_COLORBAR,
+ TPG_PAT_100_HCOLORBAR,
+ TPG_PAT_100_COLORSQUARES,
+ TPG_PAT_BLACK,
+ TPG_PAT_WHITE,
+ TPG_PAT_RED,
+ TPG_PAT_GREEN,
+ TPG_PAT_BLUE,
+ TPG_PAT_CHECKERS_16X16,
+ TPG_PAT_CHECKERS_1X1,
+ TPG_PAT_ALTERNATING_HLINES,
+ TPG_PAT_ALTERNATING_VLINES,
+ TPG_PAT_CROSS_1_PIXEL,
+ TPG_PAT_CROSS_2_PIXELS,
+ TPG_PAT_CROSS_10_PIXELS,
+ TPG_PAT_GRAY_RAMP,
+
+ /* Must be the last pattern */
+ TPG_PAT_NOISE,
+};
+
+extern const char * const tpg_pattern_strings[];
+
+enum tpg_quality {
+ TPG_QUAL_COLOR,
+ TPG_QUAL_GRAY,
+ TPG_QUAL_NOISE
+};
+
+enum tpg_video_aspect {
+ TPG_VIDEO_ASPECT_IMAGE,
+ TPG_VIDEO_ASPECT_4X3,
+ TPG_VIDEO_ASPECT_14X9_CENTRE,
+ TPG_VIDEO_ASPECT_16X9_CENTRE,
+ TPG_VIDEO_ASPECT_16X9_ANAMORPHIC,
+};
+
+enum tpg_pixel_aspect {
+ TPG_PIXEL_ASPECT_SQUARE,
+ TPG_PIXEL_ASPECT_NTSC,
+ TPG_PIXEL_ASPECT_PAL,
+};
+
+enum tpg_move_mode {
+ TPG_MOVE_NEG_FAST,
+ TPG_MOVE_NEG,
+ TPG_MOVE_NEG_SLOW,
+ TPG_MOVE_NONE,
+ TPG_MOVE_POS_SLOW,
+ TPG_MOVE_POS,
+ TPG_MOVE_POS_FAST,
+};
+
+extern const char * const tpg_aspect_strings[];
+
+#define TPG_MAX_PLANES 2
+#define TPG_MAX_PAT_LINES 8
+
+struct tpg_data {
+ /* Source frame size */
+ unsigned src_width, src_height;
+ /* Buffer height */
+ unsigned buf_height;
+ /* Scaled output frame size */
+ unsigned scaled_width;
+ u32 field;
+ /* crop coordinates are frame-based */
+ struct v4l2_rect crop;
+ /* compose coordinates are format-based */
+ struct v4l2_rect compose;
+ /* border and square coordinates are frame-based */
+ struct v4l2_rect border;
+ struct v4l2_rect square;
+
+ /* Color-related fields */
+ enum tpg_quality qual;
+ unsigned qual_offset;
+ u8 alpha_component;
+ bool alpha_red_only;
+ u8 brightness;
+ u8 contrast;
+ u8 saturation;
+ s16 hue;
+ u32 fourcc;
+ bool is_yuv;
+ u32 colorspace;
+ enum tpg_video_aspect vid_aspect;
+ enum tpg_pixel_aspect pix_aspect;
+ unsigned rgb_range;
+ unsigned real_rgb_range;
+ unsigned planes;
+ /* Used to store the colors in native format, either RGB or YUV */
+ u8 colors[TPG_COLOR_MAX][3];
+ u8 textfg[TPG_MAX_PLANES][8], textbg[TPG_MAX_PLANES][8];
+ /* size in bytes for two pixels in each plane */
+ unsigned twopixelsize[TPG_MAX_PLANES];
+ unsigned bytesperline[TPG_MAX_PLANES];
+
+ /* Configuration */
+ enum tpg_pattern pattern;
+ bool hflip;
+ bool vflip;
+ unsigned perc_fill;
+ bool perc_fill_blank;
+ bool show_border;
+ bool show_square;
+ bool insert_sav;
+ bool insert_eav;
+
+ /* Test pattern movement */
+ enum tpg_move_mode mv_hor_mode;
+ int mv_hor_count;
+ int mv_hor_step;
+ enum tpg_move_mode mv_vert_mode;
+ int mv_vert_count;
+ int mv_vert_step;
+
+ bool recalc_colors;
+ bool recalc_lines;
+ bool recalc_square_border;
+
+ /* Used to store TPG_MAX_PAT_LINES lines, each with up to two planes */
+ unsigned max_line_width;
+ u8 *lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES];
+ u8 *random_line[TPG_MAX_PLANES];
+ u8 *contrast_line[TPG_MAX_PLANES];
+ u8 *black_line[TPG_MAX_PLANES];
+};
+
+void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h);
+int tpg_alloc(struct tpg_data *tpg, unsigned max_w);
+void tpg_free(struct tpg_data *tpg);
+void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height,
+ u32 field);
+
+void tpg_set_font(const u8 *f);
+void tpg_gen_text(struct tpg_data *tpg,
+ u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text);
+void tpg_calc_text_basep(struct tpg_data *tpg,
+ u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf);
+void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf);
+bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc);
+void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop,
+ const struct v4l2_rect *compose);
+
+static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern)
+{
+ if (tpg->pattern == pattern)
+ return;
+ tpg->pattern = pattern;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_quality(struct tpg_data *tpg,
+ enum tpg_quality qual, unsigned qual_offset)
+{
+ if (tpg->qual == qual && tpg->qual_offset == qual_offset)
+ return;
+ tpg->qual = qual;
+ tpg->qual_offset = qual_offset;
+ tpg->recalc_colors = true;
+}
+
+static inline enum tpg_quality tpg_g_quality(const struct tpg_data *tpg)
+{
+ return tpg->qual;
+}
+
+static inline void tpg_s_alpha_component(struct tpg_data *tpg,
+ u8 alpha_component)
+{
+ if (tpg->alpha_component == alpha_component)
+ return;
+ tpg->alpha_component = alpha_component;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_alpha_mode(struct tpg_data *tpg,
+ bool red_only)
+{
+ if (tpg->alpha_red_only == red_only)
+ return;
+ tpg->alpha_red_only = red_only;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_brightness(struct tpg_data *tpg,
+ u8 brightness)
+{
+ if (tpg->brightness == brightness)
+ return;
+ tpg->brightness = brightness;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_contrast(struct tpg_data *tpg,
+ u8 contrast)
+{
+ if (tpg->contrast == contrast)
+ return;
+ tpg->contrast = contrast;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_saturation(struct tpg_data *tpg,
+ u8 saturation)
+{
+ if (tpg->saturation == saturation)
+ return;
+ tpg->saturation = saturation;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_hue(struct tpg_data *tpg,
+ s16 hue)
+{
+ if (tpg->hue == hue)
+ return;
+ tpg->hue = hue;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_rgb_range(struct tpg_data *tpg,
+ unsigned rgb_range)
+{
+ if (tpg->rgb_range == rgb_range)
+ return;
+ tpg->rgb_range = rgb_range;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_real_rgb_range(struct tpg_data *tpg,
+ unsigned rgb_range)
+{
+ if (tpg->real_rgb_range == rgb_range)
+ return;
+ tpg->real_rgb_range = rgb_range;
+ tpg->recalc_colors = true;
+}
+
+static inline void tpg_s_colorspace(struct tpg_data *tpg, u32 colorspace)
+{
+ if (tpg->colorspace == colorspace)
+ return;
+ tpg->colorspace = colorspace;
+ tpg->recalc_colors = true;
+}
+
+static inline u32 tpg_g_colorspace(const struct tpg_data *tpg)
+{
+ return tpg->colorspace;
+}
+
+static inline unsigned tpg_g_planes(const struct tpg_data *tpg)
+{
+ return tpg->planes;
+}
+
+static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane)
+{
+ return tpg->twopixelsize[plane];
+}
+
+static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned plane)
+{
+ return tpg->bytesperline[plane];
+}
+
+static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl)
+{
+ tpg->bytesperline[plane] = bpl;
+}
+
+static inline void tpg_s_buf_height(struct tpg_data *tpg, unsigned h)
+{
+ tpg->buf_height = h;
+}
+
+static inline void tpg_s_field(struct tpg_data *tpg, unsigned field)
+{
+ tpg->field = field;
+}
+
+static inline void tpg_s_perc_fill(struct tpg_data *tpg,
+ unsigned perc_fill)
+{
+ tpg->perc_fill = perc_fill;
+}
+
+static inline unsigned tpg_g_perc_fill(const struct tpg_data *tpg)
+{
+ return tpg->perc_fill;
+}
+
+static inline void tpg_s_perc_fill_blank(struct tpg_data *tpg,
+ bool perc_fill_blank)
+{
+ tpg->perc_fill_blank = perc_fill_blank;
+}
+
+static inline void tpg_s_video_aspect(struct tpg_data *tpg,
+ enum tpg_video_aspect vid_aspect)
+{
+ if (tpg->vid_aspect == vid_aspect)
+ return;
+ tpg->vid_aspect = vid_aspect;
+ tpg->recalc_square_border = true;
+}
+
+static inline enum tpg_video_aspect tpg_g_video_aspect(const struct tpg_data *tpg)
+{
+ return tpg->vid_aspect;
+}
+
+static inline void tpg_s_pixel_aspect(struct tpg_data *tpg,
+ enum tpg_pixel_aspect pix_aspect)
+{
+ if (tpg->pix_aspect == pix_aspect)
+ return;
+ tpg->pix_aspect = pix_aspect;
+ tpg->recalc_square_border = true;
+}
+
+static inline void tpg_s_show_border(struct tpg_data *tpg,
+ bool show_border)
+{
+ tpg->show_border = show_border;
+}
+
+static inline void tpg_s_show_square(struct tpg_data *tpg,
+ bool show_square)
+{
+ tpg->show_square = show_square;
+}
+
+static inline void tpg_s_insert_sav(struct tpg_data *tpg, bool insert_sav)
+{
+ tpg->insert_sav = insert_sav;
+}
+
+static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav)
+{
+ tpg->insert_eav = insert_eav;
+}
+
+void tpg_update_mv_step(struct tpg_data *tpg);
+
+static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg,
+ enum tpg_move_mode mv_hor_mode)
+{
+ tpg->mv_hor_mode = mv_hor_mode;
+ tpg_update_mv_step(tpg);
+}
+
+static inline void tpg_s_mv_vert_mode(struct tpg_data *tpg,
+ enum tpg_move_mode mv_vert_mode)
+{
+ tpg->mv_vert_mode = mv_vert_mode;
+ tpg_update_mv_step(tpg);
+}
+
+static inline void tpg_init_mv_count(struct tpg_data *tpg)
+{
+ tpg->mv_hor_count = tpg->mv_vert_count = 0;
+}
+
+static inline void tpg_update_mv_count(struct tpg_data *tpg, bool frame_is_field)
+{
+ tpg->mv_hor_count += tpg->mv_hor_step * (frame_is_field ? 1 : 2);
+ tpg->mv_vert_count += tpg->mv_vert_step * (frame_is_field ? 1 : 2);
+}
+
+static inline void tpg_s_hflip(struct tpg_data *tpg, bool hflip)
+{
+ if (tpg->hflip == hflip)
+ return;
+ tpg->hflip = hflip;
+ tpg_update_mv_step(tpg);
+ tpg->recalc_lines = true;
+}
+
+static inline bool tpg_g_hflip(const struct tpg_data *tpg)
+{
+ return tpg->hflip;
+}
+
+static inline void tpg_s_vflip(struct tpg_data *tpg, bool vflip)
+{
+ tpg->vflip = vflip;
+}
+
+static inline bool tpg_g_vflip(const struct tpg_data *tpg)
+{
+ return tpg->vflip;
+}
+
+static inline bool tpg_pattern_is_static(const struct tpg_data *tpg)
+{
+ return tpg->pattern != TPG_PAT_NOISE &&
+ tpg->mv_hor_mode == TPG_MOVE_NONE &&
+ tpg->mv_vert_mode == TPG_MOVE_NONE;
+}
+
+#endif

Privacy Policy