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authorPhilipp Zabel <p.zabel@pengutronix.de>2014-07-23 17:28:44 +0200
committerKamil Debski <k.debski@samsung.com>2014-08-05 17:18:51 +0200
commit38932df4cb17e08f41f13487f09bf6f4d28805e6 (patch)
tree4ecb7442cc3ca20b49d5ce4315a78a99a16adef9
parent729193e2b07b427929f8b4d144b8abe75a4ef5c3 (diff)
coda: move H.264 helper function into separate filefor-3.17
Currently there is only the coda_h264_padding function, but we will have to add more H.264 specific helpers later. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com>
-rw-r--r--drivers/media/platform/coda/Makefile2
-rw-r--r--drivers/media/platform/coda/coda-common.c22
-rw-r--r--drivers/media/platform/coda/coda-h264.c36
-rw-r--r--drivers/media/platform/coda/coda.h2
4 files changed, 39 insertions, 23 deletions
diff --git a/drivers/media/platform/coda/Makefile b/drivers/media/platform/coda/Makefile
index 13d9ad6df51f..0e59fbd06ae6 100644
--- a/drivers/media/platform/coda/Makefile
+++ b/drivers/media/platform/coda/Makefile
@@ -1,3 +1,3 @@
-coda-objs := coda-common.o
+coda-objs := coda-common.o coda-h264.o
obj-$(CONFIG_VIDEO_CODA) += coda.o
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 64151aafd21f..574742e1e82c 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -72,10 +72,6 @@ struct coda_fmt {
u32 fourcc;
};
-static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
-static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
-
void coda_write(struct coda_dev *dev, u32 data, u32 reg)
{
v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
@@ -1627,24 +1623,6 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_d
return 0;
}
-static int coda_h264_padding(int size, char *p)
-{
- int nal_size;
- int diff;
-
- diff = size - (size & ~0x7);
- if (diff == 0)
- return 0;
-
- nal_size = coda_filler_size[diff];
- memcpy(p, coda_filler_nal, nal_size);
-
- /* Add rbsp stop bit and trailing at the end */
- *(p + nal_size - 1) = 0x80;
-
- return nal_size;
-}
-
static phys_addr_t coda_iram_alloc(struct coda_iram_info *iram, size_t size)
{
phys_addr_t ret;
diff --git a/drivers/media/platform/coda/coda-h264.c b/drivers/media/platform/coda/coda-h264.c
new file mode 100644
index 000000000000..0b2fdbeea7cb
--- /dev/null
+++ b/drivers/media/platform/coda/coda-h264.c
@@ -0,0 +1,36 @@
+/*
+ * Coda multi-standard codec IP - H.264 helper functions
+ *
+ * Copyright (C) 2012 Vista Silicon S.L.
+ * Javier Martin, <javier.martin@vista-silicon.com>
+ * Xavier Duret
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+
+static const u8 coda_filler_nal[14] = { 0x00, 0x00, 0x00, 0x01, 0x0c, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80 };
+static const u8 coda_filler_size[8] = { 0, 7, 14, 13, 12, 11, 10, 9 };
+
+int coda_h264_padding(int size, char *p)
+{
+ int nal_size;
+ int diff;
+
+ diff = size - (size & ~0x7);
+ if (diff == 0)
+ return 0;
+
+ nal_size = coda_filler_size[diff];
+ memcpy(p, coda_filler_nal, nal_size);
+
+ /* Add rbsp stop bit and trailing at the end */
+ *(p + nal_size - 1) = 0x80;
+
+ return nal_size;
+}
diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h
index c98270c2532a..84e0829afc85 100644
--- a/drivers/media/platform/coda/coda.h
+++ b/drivers/media/platform/coda/coda.h
@@ -227,3 +227,5 @@ struct coda_ctx {
int display_idx;
struct dentry *debugfs_entry;
};
+
+int coda_h264_padding(int size, char *p);

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