linux-kernel - [PATCH 2/2] media: amphion: support to decode RealMedia video

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Date:   Tue, 20 Dec 2022 16:39:20 +0800
From:   Ming Qian <ming.qian@....com>
To:     mchehab@...nel.org, hverkuil-cisco@...all.nl
Cc:     shawnguo@...nel.org, robh+dt@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        xiahong.bao@....com, ming.zhou@....com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 2/2] media: amphion: support to decode RealMedia video

amphion decoder add support for the RealMedia video

Signed-off-by: Ming Qian <ming.qian@....com>
---
 drivers/media/platform/amphion/vdec.c       |  7 +++++++
 drivers/media/platform/amphion/vpu_malone.c | 19 +++++++++++++++++++
 drivers/media/platform/amphion/vpu_malone.h |  1 +
 3 files changed, 27 insertions(+)

diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c
index 09304b96f40d..7e47465ee749 100644
--- a/drivers/media/platform/amphion/vdec.c
+++ b/drivers/media/platform/amphion/vdec.c
@@ -172,6 +172,13 @@ static const struct vpu_format vdec_formats[] = {
 		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
 		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
 	},
+	{
+		.pixfmt = V4L2_PIX_FMT_RV,
+		.mem_planes = 1,
+		.comp_planes = 1,
+		.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+		.flags = V4L2_FMT_FLAG_DYN_RESOLUTION | V4L2_FMT_FLAG_COMPRESSED
+	},
 	{0, 0, 0, 0},
 };
 
diff --git a/drivers/media/platform/amphion/vpu_malone.c b/drivers/media/platform/amphion/vpu_malone.c
index 67ba637c4c7f..6e3626b74c7a 100644
--- a/drivers/media/platform/amphion/vpu_malone.c
+++ b/drivers/media/platform/amphion/vpu_malone.c
@@ -68,6 +68,8 @@
 #define STREAM_CONFIG_NUM_DBE_SET(x, y)		CONFIG_SET(x, y, 30, 0x40000000)
 #define STREAM_CONFIG_FS_CTRL_MODE_SET(x, y)	CONFIG_SET(x, y, 31, 0x80000000)
 
+#define MALONE_DEC_FMT_RV_MASK			BIT(21)
+
 enum vpu_malone_stream_input_mode {
 	INVALID_MODE = 0,
 	FRAME_LVL,
@@ -478,6 +480,8 @@ u32 vpu_malone_get_version(struct vpu_shared_addr *shared)
 {
 	struct malone_iface *iface = shared->iface;
 
+	vpu_malone_enable_format(V4L2_PIX_FMT_RV, iface->fw_version & MALONE_DEC_FMT_RV_MASK);
+
 	return iface->fw_version;
 }
 
@@ -563,8 +567,21 @@ static struct malone_fmt_mapping fmt_mappings[] = {
 	{V4L2_PIX_FMT_JPEG,        MALONE_FMT_JPG},
 	{V4L2_PIX_FMT_VP8,         MALONE_FMT_VP8},
 	{V4L2_PIX_FMT_SPK,         MALONE_FMT_SPK},
+	{V4L2_PIX_FMT_RV,          MALONE_FMT_RV},
 };
 
+void vpu_malone_enable_format(u32 pixelformat, int enable)
+{
+	u32 i;
+
+	for (i = 0; i < ARRAY_SIZE(fmt_mappings); i++) {
+		if (pixelformat == fmt_mappings[i].pixelformat) {
+			fmt_mappings[i].is_disabled = enable ? 0 : 1;
+			return;
+		}
+	}
+}
+
 static enum vpu_malone_format vpu_malone_format_remap(u32 pixelformat)
 {
 	u32 i;
@@ -989,6 +1006,7 @@ static const struct malone_padding_scode padding_scodes[] = {
 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_H263,        {0xb1010000, 0x0}},
 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_VP8,         {0x34010000, 0x0}},
 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_SPK,         {0x34010000, 0x0}},
+	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_RV,          {0x34010000, 0x0}},
 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_JPEG,        {0xefff0000, 0x0}},
 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_H264,        {0x0B010000, 0}},
 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_H264_MVC,    {0x0B010000, 0}},
@@ -1001,6 +1019,7 @@ static const struct malone_padding_scode padding_scodes[] = {
 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_H263,        {0xb1010000, 0x0}},
 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_VP8,         {0x34010000, 0x0}},
 	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_SPK,         {0x34010000, 0x0}},
+	{SCODE_PADDING_ABORT,    V4L2_PIX_FMT_RV,          {0x34010000, 0x0}},
 	{SCODE_PADDING_EOS,      V4L2_PIX_FMT_JPEG,        {0x0, 0x0}},
 	{SCODE_PADDING_BUFFLUSH, V4L2_PIX_FMT_H264,        {0x15010000, 0x0}},
 	{SCODE_PADDING_BUFFLUSH, V4L2_PIX_FMT_H264_MVC,    {0x15010000, 0x0}},
diff --git a/drivers/media/platform/amphion/vpu_malone.h b/drivers/media/platform/amphion/vpu_malone.h
index 02a9d9530970..c95b53629199 100644
--- a/drivers/media/platform/amphion/vpu_malone.h
+++ b/drivers/media/platform/amphion/vpu_malone.h
@@ -41,5 +41,6 @@ int vpu_malone_post_cmd(struct vpu_shared_addr *shared, u32 instance);
 int vpu_malone_init_instance(struct vpu_shared_addr *shared, u32 instance);
 u32 vpu_malone_get_max_instance_count(struct vpu_shared_addr *shared);
 bool vpu_malone_check_fmt(enum vpu_core_type type, u32 pixelfmt);
+void vpu_malone_enable_format(u32 pixelformat, int enable);
 
 #endif
-- 
2.38.1