2022-02-04 15:57:50 +02:00
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From b432a8b0fc88de5b49236482053d8d372c68ee55 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 12:57:10 +0200
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Subject: [PATCH 168/247] media: atmel: atmel-isc: add RLP to register offsets
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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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Add rlp to the reg offsets struct.
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This will allow different products to have a different reg offset for this
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particular module.
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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 | 4 ++--
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drivers/media/platform/atmel/atmel-isc-regs.h | 2 ++
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drivers/media/platform/atmel/atmel-isc.h | 2 ++
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drivers/media/platform/atmel/atmel-sama5d2-isc.c | 1 +
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4 files changed, 7 insertions(+), 2 deletions(-)
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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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2022-03-02 13:11:44 +00:00
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@@ -726,8 +726,8 @@ static int isc_configure(struct isc_devi
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2022-02-04 15:57:50 +02:00
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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_RLP_CFG_MODE_MASK,
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- rlp_mode);
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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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regmap_write(regmap, ISC_DCFG, dcfg);
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--- a/drivers/media/platform/atmel/atmel-isc-regs.h
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+++ b/drivers/media/platform/atmel/atmel-isc-regs.h
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@@ -204,6 +204,8 @@
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/* Subsampling 4:2:2 to 4:2:0 Control Register */
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#define ISC_SUB420_CTRL 0x000003cc
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+/* Offset for RLP register specific to sama5d2 product */
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+#define ISC_SAMA5D2_RLP_OFFSET 0
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/* Rounding, Limiting and Packing Configuration Register */
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#define ISC_RLP_CFG 0x000003d0
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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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@@ -149,12 +149,14 @@ struct isc_ctrls {
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* @cbc: Offset for the CBC register
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* @sub422: Offset for the SUB422 register
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* @sub420: Offset for the SUB420 register
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+ * @rlp: Offset for the RLP register
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*/
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struct isc_reg_offsets {
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u32 csc;
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u32 cbc;
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u32 sub422;
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u32 sub420;
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+ u32 rlp;
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};
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/*
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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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2022-03-02 13:11:44 +00:00
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@@ -255,6 +255,7 @@ static int atmel_isc_probe(struct platfo
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isc->offsets.cbc = ISC_SAMA5D2_CBC_OFFSET;
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isc->offsets.sub422 = ISC_SAMA5D2_SUB422_OFFSET;
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isc->offsets.sub420 = ISC_SAMA5D2_SUB420_OFFSET;
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+ isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET;
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/* sama5d2-isc - 8 bits per beat */
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isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8;
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