From: Tiffany Lin <tiffany.lin@mediatek.com>
Date: Mon, 15 Aug 2016 03:33:32 +0000 (-0300)
Subject: [media] vcodec:mediatek: Refine H264 encoder driver
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2d683b6dad73b5636297ac4978f73f2c638a0b19;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

[media] vcodec:mediatek: Refine H264 encoder driver

This patch :
1. remove field and function that unused anymore
2. add support V4L2_MPEG_VIDEO_H264_LEVEL_4_2

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
index 9a600525b3c1..63d4be4ff327 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
@@ -61,6 +61,8 @@ enum venc_h264_bs_mode {
 
 /*
  * struct venc_h264_vpu_config - Structure for h264 encoder configuration
+ *                               AP-W/R : AP is writer/reader on this item
+ *                               VPU-W/R: VPU is write/reader on this item
  * @input_fourcc: input fourcc
  * @bitrate: target bitrate (in bps)
  * @pic_w: picture width. Picture size is visible stream resolution, in pixels,
@@ -94,13 +96,13 @@ struct venc_h264_vpu_config {
 
 /*
  * struct venc_h264_vpu_buf - Structure for buffer information
- * @align: buffer alignment (in bytes)
+ *                            AP-W/R : AP is writer/reader on this item
+ *                            VPU-W/R: VPU is write/reader on this item
  * @iova: IO virtual address
  * @vpua: VPU side memory addr which is used by RC_CODE
  * @size: buffer size (in bytes)
  */
 struct venc_h264_vpu_buf {
-	u32 align;
 	u32 iova;
 	u32 vpua;
 	u32 size;
@@ -108,6 +110,8 @@ struct venc_h264_vpu_buf {
 
 /*
  * struct venc_h264_vsi - Structure for VPU driver control and info share
+ *                        AP-W/R : AP is writer/reader on this item
+ *                        VPU-W/R: VPU is write/reader on this item
  * This structure is allocated in VPU side and shared to AP side.
  * @config: h264 encoder configuration
  * @work_bufs: working buffer information in VPU side
@@ -150,12 +154,6 @@ struct venc_h264_inst {
 	struct mtk_vcodec_ctx *ctx;
 };
 
-static inline void h264_write_reg(struct venc_h264_inst *inst, u32 addr,
-				  u32 val)
-{
-	writel(val, inst->hw_base + addr);
-}
-
 static inline u32 h264_read_reg(struct venc_h264_inst *inst, u32 addr)
 {
 	return readl(inst->hw_base + addr);
@@ -214,6 +212,8 @@ static unsigned int h264_get_level(struct venc_h264_inst *inst,
 		return 40;
 	case V4L2_MPEG_VIDEO_H264_LEVEL_4_1:
 		return 41;
+	case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
+		return 42;
 	default:
 		mtk_vcodec_debug(inst, "unsupported level %d", level);
 		return 31;