[media] tpg: Export the tpg code from vivid as a module
authorHelen Mae Koike Fornazier <helen.koike@collabora.co.uk>
Fri, 8 Apr 2016 20:28:58 +0000 (17:28 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Wed, 20 Apr 2016 19:14:39 +0000 (16:14 -0300)
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>
drivers/media/common/Kconfig
drivers/media/common/Makefile
drivers/media/common/v4l2-tpg/Kconfig [new file with mode: 0644]
drivers/media/common/v4l2-tpg/Makefile [new file with mode: 0644]
drivers/media/common/v4l2-tpg/v4l2-tpg-colors.c [moved from drivers/media/platform/vivid/vivid-tpg-colors.c with 99% similarity]
drivers/media/common/v4l2-tpg/v4l2-tpg-core.c [moved from drivers/media/platform/vivid/vivid-tpg.c with 98% similarity]
drivers/media/platform/vivid/Kconfig
drivers/media/platform/vivid/Makefile
drivers/media/platform/vivid/vivid-core.h
include/media/v4l2-tpg-colors.h [moved from drivers/media/platform/vivid/vivid-tpg-colors.h with 93% similarity]
include/media/v4l2-tpg.h [moved from drivers/media/platform/vivid/vivid-tpg.h with 99% similarity]

index 21154dd..326df0a 100644 (file)
@@ -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"
index 89b795d..2d1b0a0 100644 (file)
@@ -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-$(CONFIG_CYPRESS_FIRMWARE) += cypress_firmware.o
diff --git a/drivers/media/common/v4l2-tpg/Kconfig b/drivers/media/common/v4l2-tpg/Kconfig
new file mode 100644 (file)
index 0000000..7456fc1
--- /dev/null
@@ -0,0 +1,2 @@
+config VIDEO_V4L2_TPG
+       tristate
diff --git a/drivers/media/common/v4l2-tpg/Makefile b/drivers/media/common/v4l2-tpg/Makefile
new file mode 100644 (file)
index 0000000..f588df4
--- /dev/null
@@ -0,0 +1,3 @@
+v4l2-tpg-objs := v4l2-tpg-core.o v4l2-tpg-colors.o
+
+obj-$(CONFIG_VIDEO_V4L2_TPG) += v4l2-tpg.o
@@ -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] = {
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 (file)
@@ -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");
index 0885e93..f535f57 100644 (file)
@@ -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,
index 756fc12..633c8a1 100644 (file)
@@ -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
index 751c1ba..776783b 100644 (file)
@@ -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"
 
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 (file)
@@ -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;
similarity index 99%
rename from drivers/media/platform/vivid/vivid-tpg.h
rename to include/media/v4l2-tpg.h
index 93fbaee..329bebf 100644 (file)
@@ -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,