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authorHelen Mae Koike Fornazier <helen.koike@collabora.co.uk>2016-04-08 17:28:58 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-04-20 16:14:39 -0300
commite07d46e7e0da86c146f199dae76f879096bc436a (patch)
tree0af2dedf71fa594cf7062b86548289f376575e31
parentd1e5d8bd49d9a830b6b5f4da906f868b2ceb83a4 (diff)
[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 <helen.koike@collabora.co.uk> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r--drivers/media/common/Kconfig1
-rw-r--r--drivers/media/common/Makefile2
-rw-r--r--drivers/media/common/v4l2-tpg/Kconfig2
-rw-r--r--drivers/media/common/v4l2-tpg/Makefile3
-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-colors.c (renamed from drivers/media/platform/vivid/vivid-tpg-colors.c)7
-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-core.c (renamed from drivers/media/platform/vivid/vivid-tpg.c)25
-rw-r--r--drivers/media/platform/vivid/Kconfig1
-rw-r--r--drivers/media/platform/vivid/Makefile2
-rw-r--r--drivers/media/platform/vivid/vivid-core.h2
-rw-r--r--include/media/v4l2-tpg-colors.h (renamed from drivers/media/platform/vivid/vivid-tpg-colors.h)6
-rw-r--r--include/media/v4l2-tpg.h (renamed from drivers/media/platform/vivid/vivid-tpg.h)9
11 files changed, 43 insertions, 17 deletions
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
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 <linux/videodev2.h>
-
-#include "vivid-tpg-colors.h"
+#include <media/v4l2-tpg-colors.h>
/* 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
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 <linux/module.h>
+#include <media/v4l2-tpg.h>
/* 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 <media/v4l2-device.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-ctrls.h>
-#include "vivid-tpg.h"
+#include <media/v4l2-tpg.h>
#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
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
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 <linux/types.h>
#include <linux/errno.h>
@@ -26,8 +26,7 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/videodev2.h>
-
-#include "vivid-tpg-colors.h"
+#include <media/v4l2-tpg-colors.h>
enum tpg_pattern {
TPG_PAT_75_COLORBAR,