linux-kernel - [PATCH 6/7] media: hantro: Move VP8 common code

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Message-Id: <20190724171702.9449-7-ezequiel@collabora.com>
Date:   Wed, 24 Jul 2019 14:17:01 -0300
From:   Ezequiel Garcia <ezequiel@...labora.com>
To:     linux-media@...r.kernel.org, Hans Verkuil <hans.verkuil@...co.com>
Cc:     kernel@...labora.com,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Tomasz Figa <tfiga@...omium.org>,
        linux-rockchip@...ts.infradead.org,
        Heiko Stuebner <heiko@...ech.de>,
        Jonas Karlman <jonas@...boo.se>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Alexandre Courbot <acourbot@...omium.org>,
        fbuergisser@...omium.org, linux-kernel@...r.kernel.org,
        Ezequiel Garcia <ezequiel@...labora.com>
Subject: [PATCH 6/7] media: hantro: Move VP8 common code

In order to introduce support for RK3399 VP8 decoding,
move some common VP8 code. This will be reused by
the RK3399 implementation, reducing code duplication.

Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
---
 .../staging/media/hantro/hantro_g1_vp8_dec.c    | 17 -----------------
 drivers/staging/media/hantro/hantro_hw.h        |  4 ++++
 drivers/staging/media/hantro/hantro_vp8.c       | 15 +++++++++++++++
 3 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c
index 21b132b2ed04..831223d43ee3 100644
--- a/drivers/staging/media/hantro/hantro_g1_vp8_dec.c
+++ b/drivers/staging/media/hantro/hantro_g1_vp8_dec.c
@@ -16,8 +16,6 @@
 #include "hantro.h"
 #include "hantro_g1_regs.h"
 
-#define DEC_8190_ALIGN_MASK	0x07U
-
 /* DCT partition base address regs */
 static const struct hantro_reg vp8_dec_dct_base[8] = {
 	{ G1_REG_ADDR_STR, 0, 0xffffffff },
@@ -131,21 +129,6 @@ static const struct hantro_reg vp8_dec_pred_bc_tap[8][4] = {
 	},
 };
 
-/*
- * filter taps taken to 7-bit precision,
- * reference RFC6386#Page-16, filters[8][6]
- */
-static const u32 vp8_dec_mc_filter[8][6] = {
-	{ 0, 0, 128, 0, 0, 0 },
-	{ 0, -6, 123, 12, -1, 0 },
-	{ 2, -11, 108, 36, -8, 1 },
-	{ 0, -9, 93, 50, -6, 0 },
-	{ 3, -16, 77, 77, -16, 3 },
-	{ 0, -6, 50, 93, -9, 0 },
-	{ 1, -8, 36, 108, -11, 2 },
-	{ 0, -1, 12, 123, -6, 0 }
-};
-
 /*
  * Set loop filters
  */
diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
index 34ef24e3a9ef..185e27d47e47 100644
--- a/drivers/staging/media/hantro/hantro_hw.h
+++ b/drivers/staging/media/hantro/hantro_hw.h
@@ -15,6 +15,8 @@
 #include <media/vp8-ctrls.h>
 #include <media/videobuf2-core.h>
 
+#define DEC_8190_ALIGN_MASK	0x07U
+
 struct hantro_dev;
 struct hantro_ctx;
 struct hantro_buf;
@@ -93,6 +95,8 @@ extern const struct hantro_variant rk3399_vpu_variant;
 extern const struct hantro_variant rk3328_vpu_variant;
 extern const struct hantro_variant rk3288_vpu_variant;
 
+extern const u32 vp8_dec_mc_filter[8][6];
+
 void hantro_watchdog(struct work_struct *work);
 void hantro_run(struct hantro_ctx *ctx);
 void hantro_irq_done(struct hantro_dev *vpu, unsigned int bytesused,
diff --git a/drivers/staging/media/hantro/hantro_vp8.c b/drivers/staging/media/hantro/hantro_vp8.c
index 66c45335d871..be5cb01d1309 100644
--- a/drivers/staging/media/hantro/hantro_vp8.c
+++ b/drivers/staging/media/hantro/hantro_vp8.c
@@ -31,6 +31,21 @@ struct vp8_prob_tbl_packed {
 	u8 padding3[96];
 };
 
+/*
+ * filter taps taken to 7-bit precision,
+ * reference RFC6386#Page-16, filters[8][6]
+ */
+const u32 vp8_dec_mc_filter[8][6] = {
+	{ 0, 0, 128, 0, 0, 0 },
+	{ 0, -6, 123, 12, -1, 0 },
+	{ 2, -11, 108, 36, -8, 1 },
+	{ 0, -9, 93, 50, -6, 0 },
+	{ 3, -16, 77, 77, -16, 3 },
+	{ 0, -6, 50, 93, -9, 0 },
+	{ 1, -8, 36, 108, -11, 2 },
+	{ 0, -1, 12, 123, -6, 0 }
+};
+
 void hantro_vp8_prob_update(struct hantro_ctx *ctx,
 			    const struct v4l2_ctrl_vp8_frame_header *hdr)
 {
-- 
2.22.0