[PATCH v2 3/4] [media] s5p-mfc: Core support to add v8 decoder

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From: Kiran AVND <avnd.kiran@xxxxxxxxxxx>

This patch adds variant data and core support for
V8 decoder. This patch also adds the register definition
file for new firmware version v8 for MFC.

Signed-off-by: Kiran AVND <avnd.kiran@xxxxxxxxxxx>
Signed-off-by: Pawel Osciak <posciak@xxxxxxxxxxxx>
Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
---
 .../devicetree/bindings/media/s5p-mfc.txt          |    3 +-
 drivers/media/platform/s5p-mfc/regs-mfc-v8.h       |   94 ++++++++++++++++++++
 drivers/media/platform/s5p-mfc/s5p_mfc.c           |   30 +++++++
 drivers/media/platform/s5p-mfc/s5p_mfc_common.h    |    4 +-
 drivers/media/platform/s5p-mfc/s5p_mfc_dec.c       |    4 +
 drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c    |   85 ++++++++++++++++--
 6 files changed, 210 insertions(+), 10 deletions(-)
 create mode 100644 drivers/media/platform/s5p-mfc/regs-mfc-v8.h

diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt
index f418168..3e3c5f3 100644
--- a/Documentation/devicetree/bindings/media/s5p-mfc.txt
+++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt
@@ -10,7 +10,8 @@ Required properties:
   - compatible : value should be either one among the following
 	(a) "samsung,mfc-v5" for MFC v5 present in Exynos4 SoCs
 	(b) "samsung,mfc-v6" for MFC v6 present in Exynos5 SoCs
-	(b) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC
+	(c) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC
+	(d) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC
 
   - reg : Physical base address of the IP registers and length of memory
 	  mapped region.
diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v8.h b/drivers/media/platform/s5p-mfc/regs-mfc-v8.h
new file mode 100644
index 0000000..c84d120
--- /dev/null
+++ b/drivers/media/platform/s5p-mfc/regs-mfc-v8.h
@@ -0,0 +1,94 @@
+/*
+ * Register definition file for Samsung MFC V8.x Interface (FIMV) driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _REGS_MFC_V8_H
+#define _REGS_MFC_V8_H
+
+#include <linux/sizes.h>
+#include "regs-mfc-v7.h"
+
+/* Additional registers for v8 */
+#define S5P_FIMV_D_MVC_NUM_VIEWS_V8		0xf104
+#define S5P_FIMV_D_FIRST_PLANE_DPB_SIZE_V8	0xf144
+#define S5P_FIMV_D_SECOND_PLANE_DPB_SIZE_V8	0xf148
+#define S5P_FIMV_D_MV_BUFFER_SIZE_V8		0xf150
+
+#define S5P_FIMV_D_FIRST_PLANE_DPB_STRIDE_SIZE_V8	0xf138
+#define S5P_FIMV_D_SECOND_PLANE_DPB_STRIDE_SIZE_V8	0xf13c
+
+#define S5P_FIMV_D_FIRST_PLANE_DPB_V8		0xf160
+#define S5P_FIMV_D_SECOND_PLANE_DPB_V8		0xf260
+#define S5P_FIMV_D_MV_BUFFER_V8			0xf460
+
+#define S5P_FIMV_D_NUM_MV_V8			0xf134
+#define S5P_FIMV_D_INIT_BUFFER_OPTIONS_V8	0xf154
+
+#define S5P_FIMV_D_SCRATCH_BUFFER_ADDR_V8	0xf560
+#define S5P_FIMV_D_SCRATCH_BUFFER_SIZE_V8	0xf564
+
+#define S5P_FIMV_D_CPB_BUFFER_ADDR_V8		0xf5b0
+#define S5P_FIMV_D_CPB_BUFFER_SIZE_V8		0xf5b4
+#define S5P_FIMV_D_AVAILABLE_DPB_FLAG_LOWER_V8	0xf5bc
+#define S5P_FIMV_D_CPB_BUFFER_OFFSET_V8		0xf5c0
+#define S5P_FIMV_D_SLICE_IF_ENABLE_V8		0xf5c4
+#define S5P_FIMV_D_STREAM_DATA_SIZE_V8		0xf5d0
+
+/* Display information register */
+#define S5P_FIMV_D_DISPLAY_FRAME_WIDTH_V8	0xf600
+#define S5P_FIMV_D_DISPLAY_FRAME_HEIGHT_V8	0xf604
+
+/* Display status */
+#define S5P_FIMV_D_DISPLAY_STATUS_V8		0xf608
+
+#define S5P_FIMV_D_DISPLAY_FIRST_PLANE_ADDR_V8	0xf60c
+#define S5P_FIMV_D_DISPLAY_SECOND_PLANE_ADDR_V8	0xf610
+
+#define S5P_FIMV_D_DISPLAY_FRAME_TYPE_V8	0xf618
+#define S5P_FIMV_D_DISPLAY_CROP_INFO1_V8	0xf61c
+#define S5P_FIMV_D_DISPLAY_CROP_INFO2_V8	0xf620
+#define S5P_FIMV_D_DISPLAY_PICTURE_PROFILE_V8	0xf624
+
+/* Decoded picture information register */
+#define S5P_FIMV_D_DECODED_STATUS_V8		0xf644
+#define S5P_FIMV_D_DECODED_FIRST_PLANE_ADDR_V8	0xf648
+#define S5P_FIMV_D_DECODED_SECOND_PLANE_ADDR_V8	0xf64c
+#define S5P_FIMV_D_DECODED_THIRD_PLANE_ADDR_V8	0xf650
+#define S5P_FIMV_D_DECODED_FRAME_TYPE_V8	0xf654
+#define S5P_FIMV_D_DECODED_NAL_SIZE_V8          0xf664
+
+/* Returned value register for specific setting */
+#define S5P_FIMV_D_RET_PICTURE_TAG_TOP_V8	0xf674
+#define S5P_FIMV_D_RET_PICTURE_TAG_BOT_V8	0xf678
+#define S5P_FIMV_D_MVC_VIEW_ID_V8		0xf6d8
+
+/* SEI related information */
+#define S5P_FIMV_D_FRAME_PACK_SEI_AVAIL_V8	0xf6dc
+
+/* MFCv8 Context buffer sizes */
+#define MFC_CTX_BUF_SIZE_V8		(30 * SZ_1K)	/*  30KB */
+#define MFC_H264_DEC_CTX_BUF_SIZE_V8	(2 * SZ_1M)	/*  2MB */
+#define MFC_OTHER_DEC_CTX_BUF_SIZE_V8	(20 * SZ_1K)	/*  20KB */
+
+/* Buffer size defines */
+#define S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V8(w, h)	(((w) * 704) + 2176)
+#define S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V8(w, h) \
+		(((w) * 576 + (h) * 128)  + 4128)
+
+/* BUffer alignment defines */
+#define S5P_FIMV_D_ALIGN_PLANE_SIZE_V8	64
+
+/* MFCv8 variant defines */
+#define MAX_FW_SIZE_V8			(SZ_1M)		/* 1MB */
+#define MAX_CPB_SIZE_V8			(3 * SZ_1M)	/* 3MB */
+#define MFC_VERSION_V8			0x80
+#define MFC_NUM_PORTS_V8		1
+
+#endif /*_REGS_MFC_V8_H*/
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index a80d23b..c8d7ba0 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -1437,6 +1437,30 @@ static struct s5p_mfc_variant mfc_drvdata_v7 = {
 	.fw_name        = "s5p-mfc-v7.fw",
 };
 
+struct s5p_mfc_buf_size_v6 mfc_buf_size_v8 = {
+	.dev_ctx	= MFC_CTX_BUF_SIZE_V8,
+	.h264_dec_ctx	= MFC_H264_DEC_CTX_BUF_SIZE_V8,
+	.other_dec_ctx	= MFC_OTHER_DEC_CTX_BUF_SIZE_V8,
+};
+
+struct s5p_mfc_buf_size buf_size_v8 = {
+	.fw	= MAX_FW_SIZE_V8,
+	.cpb	= MAX_CPB_SIZE_V8,
+	.priv	= &mfc_buf_size_v8,
+};
+
+struct s5p_mfc_buf_align mfc_buf_align_v8 = {
+	.base = 0,
+};
+
+static struct s5p_mfc_variant mfc_drvdata_v8 = {
+	.version	= MFC_VERSION_V8,
+	.port_num	= MFC_NUM_PORTS_V8,
+	.buf_size	= &buf_size_v8,
+	.buf_align	= &mfc_buf_align_v8,
+	.fw_name        = "s5p-mfc-v8.fw",
+};
+
 static struct platform_device_id mfc_driver_ids[] = {
 	{
 		.name = "s5p-mfc",
@@ -1450,6 +1474,9 @@ static struct platform_device_id mfc_driver_ids[] = {
 	}, {
 		.name = "s5p-mfc-v7",
 		.driver_data = (unsigned long)&mfc_drvdata_v7,
+	}, {
+		.name = "s5p-mfc-v8",
+		.driver_data = (unsigned long)&mfc_drvdata_v8,
 	},
 	{},
 };
@@ -1465,6 +1492,9 @@ static const struct of_device_id exynos_mfc_match[] = {
 	}, {
 		.compatible = "samsung,mfc-v7",
 		.data = &mfc_drvdata_v7,
+	}, {
+		.compatible = "samsung,mfc-v8",
+		.data = &mfc_drvdata_v8,
 	},
 	{},
 };
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 7b7053d..5be6bc7 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -23,8 +23,7 @@
 #include <media/v4l2-ioctl.h>
 #include <media/videobuf2-core.h>
 #include "regs-mfc.h"
-#include "regs-mfc-v6.h"
-#include "regs-mfc-v7.h"
+#include "regs-mfc-v8.h"
 
 /* Definitions related to MFC memory */
 
@@ -707,5 +706,6 @@ void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
 #define IS_TWOPORT(dev)		(dev->variant->port_num == 2 ? 1 : 0)
 #define IS_MFCV6_PLUS(dev)	(dev->variant->version >= 0x60 ? 1 : 0)
 #define IS_MFCV7_PLUS(dev)	(dev->variant->version >= 0x70 ? 1 : 0)
+#define IS_MFCV8(dev)		(dev->variant->version >= 0x80 ? 1 : 0)
 
 #endif /* S5P_MFC_COMMON_H_ */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 326d8db..b383829 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -403,6 +403,10 @@ static int vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f)
 				(fmt->fourcc == V4L2_PIX_FMT_NV12MT)) {
 			mfc_err("Not supported format.\n");
 			return -EINVAL;
+		} else if (IS_MFCV8(dev) &&
+				(fmt->fourcc == V4L2_PIX_FMT_NV12MT_16X16)) {
+			mfc_err("Not supported format.\n");
+			return -EINVAL;
 		} else if (!IS_MFCV6_PLUS(dev) &&
 				(fmt->fourcc != V4L2_PIX_FMT_NV12MT)) {
 			mfc_err("Not supported format.\n");
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index 9a503ca..eeaf122 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -105,8 +105,14 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
 	switch (ctx->codec_mode) {
 	case S5P_MFC_CODEC_H264_DEC:
 	case S5P_MFC_CODEC_H264_MVC_DEC:
-		ctx->scratch_buf_size =
-			S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V6(
+		if (IS_MFCV8(dev))
+			ctx->scratch_buf_size =
+				S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V8(
+					mb_width,
+					mb_height);
+		else
+			ctx->scratch_buf_size =
+				S5P_FIMV_SCRATCH_BUF_SIZE_H264_DEC_V6(
 					mb_width,
 					mb_height);
 		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
@@ -156,10 +162,16 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx)
 		ctx->bank1.size = ctx->scratch_buf_size;
 		break;
 	case S5P_MFC_CODEC_VP8_DEC:
-		ctx->scratch_buf_size =
-			S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V6(
-					mb_width,
-					mb_height);
+		if (IS_MFCV8(dev))
+			ctx->scratch_buf_size =
+				S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V8(
+						mb_width,
+						mb_height);
+		else
+			ctx->scratch_buf_size =
+				S5P_FIMV_SCRATCH_BUF_SIZE_VP8_DEC_V6(
+						mb_width,
+						mb_height);
 		ctx->scratch_buf_size = ALIGN(ctx->scratch_buf_size,
 				S5P_FIMV_SCRATCH_BUFFER_ALIGN_V6);
 		ctx->bank1.size = ctx->scratch_buf_size;
@@ -335,6 +347,12 @@ static void s5p_mfc_dec_calc_dpb_size_v6(struct s5p_mfc_ctx *ctx)
 
 	ctx->luma_size = calc_plane(ctx->img_width, ctx->img_height);
 	ctx->chroma_size = calc_plane(ctx->img_width, (ctx->img_height >> 1));
+	if (IS_MFCV8(ctx->dev)) {
+		/* MFCv8 needs additional 64 bytes for luma,chroma dpb*/
+		ctx->luma_size += S5P_FIMV_D_ALIGN_PLANE_SIZE_V8;
+		ctx->chroma_size += S5P_FIMV_D_ALIGN_PLANE_SIZE_V8;
+	}
+
 	if (ctx->codec_mode == S5P_MFC_CODEC_H264_DEC ||
 			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) {
 		ctx->mv_size = S5P_MFC_DEC_MV_SIZE_V6(ctx->img_width,
@@ -409,6 +427,14 @@ static int s5p_mfc_set_dec_frame_buffer_v6(struct s5p_mfc_ctx *ctx)
 
 	WRITEL(buf_addr1, mfc_regs->d_scratch_buffer_addr);
 	WRITEL(ctx->scratch_buf_size, mfc_regs->d_scratch_buffer_size);
+
+	if (IS_MFCV8(dev)) {
+		WRITEL(ctx->img_width,
+			mfc_regs->d_first_plane_dpb_stride_size);
+		WRITEL(ctx->img_width,
+			mfc_regs->d_second_plane_dpb_stride_size);
+	}
+
 	buf_addr1 += ctx->scratch_buf_size;
 	buf_size1 -= ctx->scratch_buf_size;
 
@@ -2168,7 +2194,7 @@ const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev)
 	if (!IS_MFCV7_PLUS(dev))
 		goto done;
 
-	/* Initialize registers used in MFC v7 */
+	/* Initialize registers used in MFC v7+ */
 	R(e_source_first_plane_addr, S5P_FIMV_E_SOURCE_FIRST_ADDR_V7);
 	R(e_source_second_plane_addr, S5P_FIMV_E_SOURCE_SECOND_ADDR_V7);
 	R(e_source_third_plane_addr, S5P_FIMV_E_SOURCE_THIRD_ADDR_V7);
@@ -2181,6 +2207,51 @@ const struct s5p_mfc_regs *s5p_mfc_init_regs_v6_plus(struct s5p_mfc_dev *dev)
 			S5P_FIMV_E_ENCODED_SOURCE_SECOND_ADDR_V7);
 	R(e_vp8_options, S5P_FIMV_E_VP8_OPTIONS_V7);
 
+	if (!IS_MFCV8(dev))
+		goto done;
+
+	/* Initialize registers used in MFC v8 only.
+	 * Also, over-write the registers which have
+	 * a different offset for MFC v8. */
+	R(d_stream_data_size, S5P_FIMV_D_STREAM_DATA_SIZE_V8);
+	R(d_cpb_buffer_addr, S5P_FIMV_D_CPB_BUFFER_ADDR_V8);
+	R(d_cpb_buffer_size, S5P_FIMV_D_CPB_BUFFER_SIZE_V8);
+	R(d_cpb_buffer_offset, S5P_FIMV_D_CPB_BUFFER_OFFSET_V8);
+	R(d_first_plane_dpb_size, S5P_FIMV_D_FIRST_PLANE_DPB_SIZE_V8);
+	R(d_second_plane_dpb_size, S5P_FIMV_D_SECOND_PLANE_DPB_SIZE_V8);
+	R(d_scratch_buffer_addr, S5P_FIMV_D_SCRATCH_BUFFER_ADDR_V8);
+	R(d_scratch_buffer_size, S5P_FIMV_D_SCRATCH_BUFFER_SIZE_V8);
+	R(d_first_plane_dpb_stride_size,
+			S5P_FIMV_D_FIRST_PLANE_DPB_STRIDE_SIZE_V8);
+	R(d_second_plane_dpb_stride_size,
+			S5P_FIMV_D_SECOND_PLANE_DPB_STRIDE_SIZE_V8);
+	R(d_mv_buffer_size, S5P_FIMV_D_MV_BUFFER_SIZE_V8);
+	R(d_num_mv, S5P_FIMV_D_NUM_MV_V8);
+	R(d_first_plane_dpb, S5P_FIMV_D_FIRST_PLANE_DPB_V8);
+	R(d_second_plane_dpb, S5P_FIMV_D_SECOND_PLANE_DPB_V8);
+	R(d_mv_buffer, S5P_FIMV_D_MV_BUFFER_V8);
+	R(d_init_buffer_options, S5P_FIMV_D_INIT_BUFFER_OPTIONS_V8);
+	R(d_available_dpb_flag_lower, S5P_FIMV_D_AVAILABLE_DPB_FLAG_LOWER_V8);
+	R(d_slice_if_enable, S5P_FIMV_D_SLICE_IF_ENABLE_V8);
+	R(d_display_first_plane_addr, S5P_FIMV_D_DISPLAY_FIRST_PLANE_ADDR_V8);
+	R(d_display_second_plane_addr, S5P_FIMV_D_DISPLAY_SECOND_PLANE_ADDR_V8);
+	R(d_decoded_first_plane_addr, S5P_FIMV_D_DECODED_FIRST_PLANE_ADDR_V8);
+	R(d_decoded_second_plane_addr, S5P_FIMV_D_DECODED_SECOND_PLANE_ADDR_V8);
+	R(d_display_status, S5P_FIMV_D_DISPLAY_STATUS_V8);
+	R(d_decoded_status, S5P_FIMV_D_DECODED_STATUS_V8);
+	R(d_decoded_frame_type, S5P_FIMV_D_DECODED_FRAME_TYPE_V8);
+	R(d_display_frame_type, S5P_FIMV_D_DISPLAY_FRAME_TYPE_V8);
+	R(d_decoded_nal_size, S5P_FIMV_D_DECODED_NAL_SIZE_V8);
+	R(d_display_frame_width, S5P_FIMV_D_DISPLAY_FRAME_WIDTH_V8);
+	R(d_display_frame_height, S5P_FIMV_D_DISPLAY_FRAME_HEIGHT_V8);
+	R(d_frame_pack_sei_avail, S5P_FIMV_D_FRAME_PACK_SEI_AVAIL_V8);
+	R(d_mvc_num_views, S5P_FIMV_D_MVC_NUM_VIEWS_V8);
+	R(d_mvc_view_id, S5P_FIMV_D_MVC_VIEW_ID_V8);
+	R(d_ret_picture_tag_top, S5P_FIMV_D_RET_PICTURE_TAG_TOP_V8);
+	R(d_ret_picture_tag_bot, S5P_FIMV_D_RET_PICTURE_TAG_BOT_V8);
+	R(d_display_crop_info1, S5P_FIMV_D_DISPLAY_CROP_INFO1_V8);
+	R(d_display_crop_info2, S5P_FIMV_D_DISPLAY_CROP_INFO2_V8);
+
 done:
 	return &mfc_regs;
 #undef S5P_MFC_REG_ADDR
-- 
1.7.9.5

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