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Message-id: <ec5c2602-627e-7a42-eda2-6a68b846fff8@samsung.com>
Date: Wed, 18 Jan 2017 16:10:39 +0100
From: Andrzej Hajda <a.hajda@...sung.com>
To: Smitha T Murthy <smitha.t@...sung.com>,
linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: kyungmin.park@...sung.com, kamil@...as.org, jtp.park@...sung.com,
mchehab@...nel.org, pankaj.dubey@...sung.com, krzk@...nel.org,
m.szyprowski@...sung.com, s.nawrocki@...sung.com,
Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH 02/11] [media] s5p-mfc: Adding initial support for MFC
v10.10
On 18.01.2017 11:02, Smitha T Murthy wrote:
> Adding the support for MFC v10.10, with new register file and
> necessary hw control, decoder, encoder and structural changes.
>
> CC: Rob Herring <robh+dt@...nel.org>
> CC: devicetree@...r.kernel.org
> Signed-off-by: Smitha T Murthy <smitha.t@...sung.com>
> ---
> .../devicetree/bindings/media/s5p-mfc.txt | 1 +
> drivers/media/platform/s5p-mfc/regs-mfc-v10.h | 36 ++++++++++++++++
> 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_ctrl.c | 4 ++
> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 44 +++++++++++---------
> drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 21 +++++----
> drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 9 +++-
> drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.h | 2 +
> 9 files changed, 118 insertions(+), 33 deletions(-)
> create mode 100644 drivers/media/platform/s5p-mfc/regs-mfc-v10.h
>
> diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt
> index 2c90128..b70c613 100644
> --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt
> +++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt
> @@ -13,6 +13,7 @@ Required properties:
> (c) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC
> (d) "samsung,mfc-v8" for MFC v8 present in Exynos5800 SoC
> (e) "samsung,exynos5433-mfc" for MFC v8 present in Exynos5433 SoC
> + (f) "samsung,mfc-v10" for MFC v10 present in a variant of Exynos7 SoC
Could you specify explicitly SoC version(s), Exynos7 is misleading.
Btw are there plans to upstream platforms using this MFC?
>
> - reg : Physical base address of the IP registers and length of memory
> mapped region.
> diff --git a/drivers/media/platform/s5p-mfc/regs-mfc-v10.h b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> new file mode 100644
> index 0000000..bd671a5
> --- /dev/null
> +++ b/drivers/media/platform/s5p-mfc/regs-mfc-v10.h
> @@ -0,0 +1,36 @@
> +/*
> + * Register definition file for Samsung MFC V10.x Interface (FIMV) driver
> + *
> + * Copyright (c) 2017 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_V10_H
> +#define _REGS_MFC_V10_H
> +
> +#include <linux/sizes.h>
> +#include "regs-mfc-v8.h"
> +
> +/* MFCv10 register definitions*/
> +#define S5P_FIMV_MFC_CLOCK_OFF_V10 0x7120
> +#define S5P_FIMV_MFC_STATE_V10 0x7124
> +
> +/* MFCv10 Context buffer sizes */
> +#define MFC_CTX_BUF_SIZE_V10 (30 * SZ_1K) /* 30KB */
> +#define MFC_H264_DEC_CTX_BUF_SIZE_V10 (2 * SZ_1M) /* 2MB */
> +#define MFC_OTHER_DEC_CTX_BUF_SIZE_V10 (20 * SZ_1K) /* 20KB */
> +#define MFC_H264_ENC_CTX_BUF_SIZE_V10 (100 * SZ_1K) /* 100KB */
> +#define MFC_OTHER_ENC_CTX_BUF_SIZE_V10 (15 * SZ_1K) /* 15KB */
> +
> +/* MFCv10 variant defines */
> +#define MAX_FW_SIZE_V10 (SZ_1M) /* 1MB */
> +#define MAX_CPB_SIZE_V10 (3 * SZ_1M) /* 3MB */
> +#define MFC_VERSION_V10 0xA0
> +#define MFC_NUM_PORTS_V10 1
> +
> +#endif /*_REGS_MFC_V10_H*/
> +
> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> index bb0a588..a043cce 100644
> --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
> @@ -1542,6 +1542,33 @@ static int s5p_mfc_resume(struct device *dev)
> .num_clocks = 3,
> };
>
> +static struct s5p_mfc_buf_size_v6 mfc_buf_size_v10 = {
> + .dev_ctx = MFC_CTX_BUF_SIZE_V10,
> + .h264_dec_ctx = MFC_H264_DEC_CTX_BUF_SIZE_V10,
> + .other_dec_ctx = MFC_OTHER_DEC_CTX_BUF_SIZE_V10,
> + .h264_enc_ctx = MFC_H264_ENC_CTX_BUF_SIZE_V10,
> + .other_enc_ctx = MFC_OTHER_ENC_CTX_BUF_SIZE_V10,
> +};
> +
> +static struct s5p_mfc_buf_size buf_size_v10 = {
> + .fw = MAX_FW_SIZE_V10,
> + .cpb = MAX_CPB_SIZE_V10,
> + .priv = &mfc_buf_size_v10,
> +};
> +
> +static struct s5p_mfc_buf_align mfc_buf_align_v10 = {
> + .base = 0,
> +};
> +
> +static struct s5p_mfc_variant mfc_drvdata_v10 = {
> + .version = MFC_VERSION_V10,
> + .version_bit = MFC_V10_BIT,
> + .port_num = MFC_NUM_PORTS_V10,
> + .buf_size = &buf_size_v10,
> + .buf_align = &mfc_buf_align_v10,
> + .fw_name[0] = "s5p-mfc-v10.fw",
Is firmware file publicly available? Sent to firmware repository?
> +};
> +
> static const struct of_device_id exynos_mfc_match[] = {
> {
> .compatible = "samsung,mfc-v5",
> @@ -1558,6 +1585,9 @@ static int s5p_mfc_resume(struct device *dev)
> }, {
> .compatible = "samsung,exynos5433-mfc",
> .data = &mfc_drvdata_v8_5433,
> + }, {
> + .compatible = "samsung,mfc-v10",
> + .data = &mfc_drvdata_v10,
> },
> {},
> };
> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> index b45d18c..1941c63 100644
> --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
> @@ -23,7 +23,7 @@
> #include <media/v4l2-ioctl.h>
> #include <media/videobuf2-v4l2.h>
> #include "regs-mfc.h"
> -#include "regs-mfc-v8.h"
> +#include "regs-mfc-v10.h"
>
> #define S5P_MFC_NAME "s5p-mfc"
>
> @@ -723,11 +723,13 @@ struct mfc_control {
> #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_PLUS(dev) (dev->variant->version >= 0x80 ? 1 : 0)
> +#define IS_MFCV10(dev) (dev->variant->version >= 0xA0 ? 1 : 0)
>
> #define MFC_V5_BIT BIT(0)
> #define MFC_V6_BIT BIT(1)
> #define MFC_V7_BIT BIT(2)
> #define MFC_V8_BIT BIT(3)
> +#define MFC_V10_BIT BIT(5)
I think you can use BIT(4) here.
Regards
Andrzej
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