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e58cd453d5
Add kernel support for SAMA7G5 by back-porting mainline kernel patches. Among SAMA7G5 features could be remembered: - ARM Cortex-A7 - double data rate multi-port dynamic RAM controller supporting DDR2, DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz - peripherals for audio, video processing - 1 gigabit + 1 megabit Ethernet controllers - 6 CAN controllers - trust zone support - DVFS for CPU - criptography IPs Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
105 lines
4.1 KiB
Diff
105 lines
4.1 KiB
Diff
From ece1d7059731e31875e6eb464da4fb4a16465305 Mon Sep 17 00:00:00 2001
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From: Eugen Hristev <eugen.hristev@microchip.com>
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Date: Tue, 13 Apr 2021 12:57:21 +0200
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Subject: [PATCH 179/247] media: atmel: atmel-isc: create callback for RLP
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submodule product specific
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The RLP submodule is a part of the atmel-isc pipeline, and stands for
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Rounding,Limiting and Packaging. It used to extract specific data from the
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ISC pipeline. For example if we want to output greyscale 8 bit, we would
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use limiting to 8 bits, and packaging to Luma component only.
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Create a product specific callback for initializing the RLP submodule
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of the pipeline
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[hverkuil: made isc_sama5d2_config_rlp static]
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Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
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Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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---
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drivers/media/platform/atmel/atmel-isc-base.c | 6 ++----
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drivers/media/platform/atmel/atmel-isc.h | 3 +++
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drivers/media/platform/atmel/atmel-sama5d2-isc.c | 10 ++++++++++
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3 files changed, 15 insertions(+), 4 deletions(-)
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diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
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index aef0d6570d39..67c16ca17672 100644
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--- a/drivers/media/platform/atmel/atmel-isc-base.c
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+++ b/drivers/media/platform/atmel/atmel-isc-base.c
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@@ -719,11 +719,10 @@ static void isc_set_histogram(struct isc_device *isc, bool enable)
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static int isc_configure(struct isc_device *isc)
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{
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struct regmap *regmap = isc->regmap;
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- u32 pfe_cfg0, rlp_mode, dcfg, mask, pipeline;
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+ u32 pfe_cfg0, dcfg, mask, pipeline;
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struct isc_subdev_entity *subdev = isc->current_subdev;
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pfe_cfg0 = isc->config.sd_format->pfe_cfg0_bps;
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- rlp_mode = isc->config.rlp_cfg_mode;
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pipeline = isc->config.bits_pipeline;
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dcfg = isc->config.dcfg_imode | isc->dcfg;
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@@ -736,8 +735,7 @@ static int isc_configure(struct isc_device *isc)
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regmap_update_bits(regmap, ISC_PFE_CFG0, mask, pfe_cfg0);
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- regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp,
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- ISC_RLP_CFG_MODE_MASK, rlp_mode);
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+ isc->config_rlp(isc);
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regmap_write(regmap, ISC_DCFG + isc->offsets.dma, dcfg);
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diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
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index 151997c11f56..24006327c5e4 100644
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--- a/drivers/media/platform/atmel/atmel-isc.h
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+++ b/drivers/media/platform/atmel/atmel-isc.h
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@@ -230,6 +230,8 @@ struct isc_reg_offsets {
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* specific CC module
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* @config_gam: pointer to a function that initializes product
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* specific GAMMA module
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+ * @config_rlp: pointer to a function that initializes product
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+ * specific RLP module
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* @config_ctrls: pointer to a functoin that initializes product
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* specific v4l2 controls.
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*
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@@ -308,6 +310,7 @@ struct isc_device {
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void (*config_cbc)(struct isc_device *isc);
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void (*config_cc)(struct isc_device *isc);
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void (*config_gam)(struct isc_device *isc);
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+ void (*config_rlp)(struct isc_device *isc);
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void (*config_ctrls)(struct isc_device *isc,
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const struct v4l2_ctrl_ops *ops);
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diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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index b99849ecb8a1..86704a1a24b9 100644
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--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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@@ -117,6 +117,15 @@ static void isc_sama5d2_config_gam(struct isc_device *isc)
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/* No specific gamma configuration */
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}
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+static void isc_sama5d2_config_rlp(struct isc_device *isc)
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+{
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+ struct regmap *regmap = isc->regmap;
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+ u32 rlp_mode = isc->config.rlp_cfg_mode;
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+
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+ regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp,
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+ ISC_RLP_CFG_MODE_MASK, rlp_mode);
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+}
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+
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/* Gamma table with gamma 1/2.2 */
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static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
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/* 0 --> gamma 1/1.8 */
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@@ -288,6 +297,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
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isc->config_cbc = isc_sama5d2_config_cbc;
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isc->config_cc = isc_sama5d2_config_cc;
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isc->config_gam = isc_sama5d2_config_gam;
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+ isc->config_rlp = isc_sama5d2_config_rlp;
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isc->config_ctrls = isc_sama5d2_config_ctrls;
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isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
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--
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2.32.0
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