From e07d46e7e0da86c146f199dae76f879096bc436a Mon Sep 17 00:00:00 2001 From: Helen Mae Koike Fornazier Date: Fri, 8 Apr 2016 17:28:58 -0300 Subject: [PATCH] [media] tpg: Export the tpg code from vivid as a module The test pattern generator will be used by other drivers as the virtual media controller (vimc) Signed-off-by: Helen Mae Koike Fornazier Acked-by: Laurent Pinchart Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/Kconfig | 1 + drivers/media/common/Makefile | 2 +- drivers/media/common/v4l2-tpg/Kconfig | 2 ++ drivers/media/common/v4l2-tpg/Makefile | 3 +++ .../v4l2-tpg/v4l2-tpg-colors.c} | 7 +++--- .../v4l2-tpg/v4l2-tpg-core.c} | 25 ++++++++++++++++++++-- drivers/media/platform/vivid/Kconfig | 1 + drivers/media/platform/vivid/Makefile | 2 +- drivers/media/platform/vivid/vivid-core.h | 2 +- .../media/v4l2-tpg-colors.h | 6 +++--- .../vivid/vivid-tpg.h => include/media/v4l2-tpg.h | 9 ++++---- 11 files changed, 43 insertions(+), 17 deletions(-) create mode 100644 drivers/media/common/v4l2-tpg/Kconfig create mode 100644 drivers/media/common/v4l2-tpg/Makefile rename drivers/media/{platform/vivid/vivid-tpg-colors.c => common/v4l2-tpg/v4l2-tpg-colors.c} (99%) rename drivers/media/{platform/vivid/vivid-tpg.c => common/v4l2-tpg/v4l2-tpg-core.c} (98%) rename drivers/media/platform/vivid/vivid-tpg-colors.h => include/media/v4l2-tpg-colors.h (93%) rename drivers/media/platform/vivid/vivid-tpg.h => include/media/v4l2-tpg.h (99%) diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig index 21154dd..326df0a 100644 --- a/drivers/media/common/Kconfig +++ b/drivers/media/common/Kconfig @@ -19,3 +19,4 @@ config CYPRESS_FIRMWARE source "drivers/media/common/b2c2/Kconfig" source "drivers/media/common/saa7146/Kconfig" source "drivers/media/common/siano/Kconfig" +source "drivers/media/common/v4l2-tpg/Kconfig" diff --git a/drivers/media/common/Makefile b/drivers/media/common/Makefile index 89b795d..2d1b0a0 100644 --- a/drivers/media/common/Makefile +++ b/drivers/media/common/Makefile @@ -1,4 +1,4 @@ -obj-y += b2c2/ saa7146/ siano/ +obj-y += b2c2/ saa7146/ siano/ v4l2-tpg/ obj-$(CONFIG_VIDEO_CX2341X) += cx2341x.o obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o obj-$(CONFIG_CYPRESS_FIRMWARE) += cypress_firmware.o diff --git a/drivers/media/common/v4l2-tpg/Kconfig b/drivers/media/common/v4l2-tpg/Kconfig new file mode 100644 index 0000000..7456fc1 --- /dev/null +++ b/drivers/media/common/v4l2-tpg/Kconfig @@ -0,0 +1,2 @@ +config VIDEO_V4L2_TPG + tristate diff --git a/drivers/media/common/v4l2-tpg/Makefile b/drivers/media/common/v4l2-tpg/Makefile new file mode 100644 index 0000000..f588df4 --- /dev/null +++ b/drivers/media/common/v4l2-tpg/Makefile @@ -0,0 +1,3 @@ +v4l2-tpg-objs := v4l2-tpg-core.o v4l2-tpg-colors.o + +obj-$(CONFIG_VIDEO_V4L2_TPG) += v4l2-tpg.o diff --git a/drivers/media/platform/vivid/vivid-tpg-colors.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-colors.c similarity index 99% rename from drivers/media/platform/vivid/vivid-tpg-colors.c rename to drivers/media/common/v4l2-tpg/v4l2-tpg-colors.c index 2299f0c..9bcbd31 100644 --- a/drivers/media/platform/vivid/vivid-tpg-colors.c +++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-colors.c @@ -1,5 +1,5 @@ /* - * vivid-color.c - A table that converts colors to various colorspaces + * v4l2-tpg-colors.c - A table that converts colors to various colorspaces * * The test pattern generator uses the tpg_colors for its test patterns. * For testing colorspaces the first 8 colors of that table need to be @@ -12,7 +12,7 @@ * This source also contains the code used to generate the tpg_csc_colors * table. Run the following command to compile it: * - * gcc vivid-tpg-colors.c -DCOMPILE_APP -o gen-colors -lm + * gcc v4l2-tpg-colors.c -DCOMPILE_APP -o gen-colors -lm * * and run the utility. * @@ -36,8 +36,7 @@ */ #include - -#include "vivid-tpg-colors.h" +#include /* sRGB colors with range [0-255] */ const struct color tpg_colors[TPG_COLOR_MAX] = { diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c similarity index 98% rename from drivers/media/platform/vivid/vivid-tpg.c rename to drivers/media/common/v4l2-tpg/v4l2-tpg-core.c index da862bb..cf1dadd 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c @@ -1,5 +1,5 @@ /* - * vivid-tpg.c - Test Pattern Generator + * v4l2-tpg-core.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. @@ -20,7 +20,8 @@ * SOFTWARE. */ -#include "vivid-tpg.h" +#include +#include /* Must remain in sync with enum tpg_pattern */ const char * const tpg_pattern_strings[] = { @@ -48,6 +49,7 @@ const char * const tpg_pattern_strings[] = { "Noise", NULL }; +EXPORT_SYMBOL_GPL(tpg_pattern_strings); /* Must remain in sync with enum tpg_aspect */ const char * const tpg_aspect_strings[] = { @@ -58,6 +60,7 @@ const char * const tpg_aspect_strings[] = { "16x9 Anamorphic", NULL }; +EXPORT_SYMBOL_GPL(tpg_aspect_strings); /* * Sine table: sin[0] = 127 * sin(-180 degrees) @@ -93,6 +96,7 @@ void tpg_set_font(const u8 *f) { font8x16 = f; } +EXPORT_SYMBOL_GPL(tpg_set_font); void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h) { @@ -114,6 +118,7 @@ void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h) tpg->colorspace = V4L2_COLORSPACE_SRGB; tpg->perc_fill = 100; } +EXPORT_SYMBOL_GPL(tpg_init); int tpg_alloc(struct tpg_data *tpg, unsigned max_w) { @@ -150,6 +155,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w) } return 0; } +EXPORT_SYMBOL_GPL(tpg_alloc); void tpg_free(struct tpg_data *tpg) { @@ -174,6 +180,7 @@ void tpg_free(struct tpg_data *tpg) tpg->random_line[plane] = NULL; } } +EXPORT_SYMBOL_GPL(tpg_free); bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) { @@ -403,6 +410,7 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) } return true; } +EXPORT_SYMBOL_GPL(tpg_s_fourcc); void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop, const struct v4l2_rect *compose) @@ -418,6 +426,7 @@ void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop, tpg->scaled_width = 2; tpg->recalc_lines = true; } +EXPORT_SYMBOL_GPL(tpg_s_crop_compose); void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, u32 field) @@ -442,6 +451,7 @@ void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, (2 * tpg->hdownsampling[p]); tpg->recalc_square_border = true; } +EXPORT_SYMBOL_GPL(tpg_reset_source); static enum tpg_color tpg_get_textbg_color(struct tpg_data *tpg) { @@ -1250,6 +1260,7 @@ unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line) return 0; } } +EXPORT_SYMBOL_GPL(tpg_g_interleaved_plane); /* Return how many pattern lines are used by the current pattern. */ static unsigned tpg_get_pat_lines(const struct tpg_data *tpg) @@ -1725,6 +1736,7 @@ void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], } } } +EXPORT_SYMBOL_GPL(tpg_gen_text); void tpg_update_mv_step(struct tpg_data *tpg) { @@ -1773,6 +1785,7 @@ void tpg_update_mv_step(struct tpg_data *tpg) if (factor < 0) tpg->mv_vert_step = tpg->src_height - tpg->mv_vert_step; } +EXPORT_SYMBOL_GPL(tpg_update_mv_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, @@ -1862,6 +1875,7 @@ void tpg_calc_text_basep(struct tpg_data *tpg, if (p == 0 && tpg->interleaved) tpg_calc_text_basep(tpg, basep, 1, vbuf); } +EXPORT_SYMBOL_GPL(tpg_calc_text_basep); static int tpg_pattern_avg(const struct tpg_data *tpg, unsigned pat1, unsigned pat2) @@ -1891,6 +1905,7 @@ void tpg_log_status(struct tpg_data *tpg) 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); } +EXPORT_SYMBOL_GPL(tpg_log_status); /* * This struct contains common parameters used by both the drawing of the @@ -2296,6 +2311,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, vbuf + buf_line * params.stride); } } +EXPORT_SYMBOL_GPL(tpg_fill_plane_buffer); void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) { @@ -2312,3 +2328,8 @@ void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) offset += tpg_calc_plane_size(tpg, i); } } +EXPORT_SYMBOL_GPL(tpg_fillbuffer); + +MODULE_DESCRIPTION("V4L2 Test Pattern Generator"); +MODULE_AUTHOR("Hans Verkuil"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/platform/vivid/Kconfig b/drivers/media/platform/vivid/Kconfig index 0885e93..f535f57 100644 --- a/drivers/media/platform/vivid/Kconfig +++ b/drivers/media/platform/vivid/Kconfig @@ -7,6 +7,7 @@ config VIDEO_VIVID select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT select VIDEOBUF2_VMALLOC + select VIDEO_V4L2_TPG default n ---help--- Enables a virtual video driver. This driver emulates a webcam, diff --git a/drivers/media/platform/vivid/Makefile b/drivers/media/platform/vivid/Makefile index 756fc12..633c8a1b 100644 --- a/drivers/media/platform/vivid/Makefile +++ b/drivers/media/platform/vivid/Makefile @@ -2,5 +2,5 @@ vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \ vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \ vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \ vivid-rds-gen.o vivid-sdr-cap.o vivid-vbi-cap.o vivid-vbi-out.o \ - vivid-osd.o vivid-tpg.o vivid-tpg-colors.o + vivid-osd.o obj-$(CONFIG_VIDEO_VIVID) += vivid.o diff --git a/drivers/media/platform/vivid/vivid-core.h b/drivers/media/platform/vivid/vivid-core.h index 751c1ba..776783b 100644 --- a/drivers/media/platform/vivid/vivid-core.h +++ b/drivers/media/platform/vivid/vivid-core.h @@ -25,7 +25,7 @@ #include #include #include -#include "vivid-tpg.h" +#include #include "vivid-rds-gen.h" #include "vivid-vbi-gen.h" diff --git a/drivers/media/platform/vivid/vivid-tpg-colors.h b/include/media/v4l2-tpg-colors.h similarity index 93% rename from drivers/media/platform/vivid/vivid-tpg-colors.h rename to include/media/v4l2-tpg-colors.h index 4e5a76a..2a88d1f 100644 --- a/drivers/media/platform/vivid/vivid-tpg-colors.h +++ b/include/media/v4l2-tpg-colors.h @@ -1,5 +1,5 @@ /* - * vivid-color.h - Color definitions for the test pattern generator + * v4l2-tpg-colors.h - Color definitions for the test pattern generator * * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. * @@ -17,8 +17,8 @@ * SOFTWARE. */ -#ifndef _VIVID_COLORS_H_ -#define _VIVID_COLORS_H_ +#ifndef _V4L2_TPG_COLORS_H_ +#define _V4L2_TPG_COLORS_H_ struct color { unsigned char r, g, b; diff --git a/drivers/media/platform/vivid/vivid-tpg.h b/include/media/v4l2-tpg.h similarity index 99% rename from drivers/media/platform/vivid/vivid-tpg.h rename to include/media/v4l2-tpg.h index 93fbaee..329bebf 100644 --- a/drivers/media/platform/vivid/vivid-tpg.h +++ b/include/media/v4l2-tpg.h @@ -1,5 +1,5 @@ /* - * vivid-tpg.h - Test Pattern Generator + * v4l2-tpg.h - Test Pattern Generator * * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. * @@ -17,8 +17,8 @@ * SOFTWARE. */ -#ifndef _VIVID_TPG_H_ -#define _VIVID_TPG_H_ +#ifndef _V4L2_TPG_H_ +#define _V4L2_TPG_H_ #include #include @@ -26,8 +26,7 @@ #include #include #include - -#include "vivid-tpg-colors.h" +#include enum tpg_pattern { TPG_PAT_75_COLORBAR, -- 2.7.4