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media: atmel: atmel-isc: add RLP to register offsets 

The RLP submodule is a part of the atmel-isc pipeline, and stands for
Rounding,Limiting and Packaging. It used to extract specific data from the
ISC pipeline. For example if we want to output greyscale 8 bit, we would
use limiting to 8 bits, and packaging to Luma component only.
Add rlp to the reg offsets struct.
This will allow different products to have a different reg offset for this
particular module.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Eugen Hristev 2021-04-13 12:57:10 +02:00 committed by Mauro Carvalho Chehab
parent 87b62b6d55
commit 40ee17d1b4
4 changed files with 7 additions and 2 deletions
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4
drivers/media/platform/atmel/atmel-isc-base.c
View File

@ -726,8 +726,8 @@ static int isc_configure(struct isc_device *isc)
regmap_update_bits(regmap, ISC_PFE_CFG0, mask, pfe_cfg0);
regmap_update_bits(regmap, ISC_RLP_CFG, ISC_RLP_CFG_MODE_MASK,
rlp_mode);
regmap_update_bits(regmap, ISC_RLP_CFG + isc->offsets.rlp,
ISC_RLP_CFG_MODE_MASK, rlp_mode);
regmap_write(regmap, ISC_DCFG, dcfg);

2
drivers/media/platform/atmel/atmel-isc-regs.h
View File

@ -204,6 +204,8 @@
/* Subsampling 4:2:2 to 4:2:0 Control Register */
#define ISC_SUB420_CTRL 0x000003cc
/* Offset for RLP register specific to sama5d2 product */
#define ISC_SAMA5D2_RLP_OFFSET 0
/* Rounding, Limiting and Packing Configuration Register */
#define ISC_RLP_CFG 0x000003d0

2
drivers/media/platform/atmel/atmel-isc.h
View File

@ -150,12 +150,14 @@ struct isc_ctrls {
* @cbc: Offset for the CBC register
* @sub422: Offset for the SUB422 register
* @sub420: Offset for the SUB420 register
* @rlp: Offset for the RLP register
*/
struct isc_reg_offsets {
u32 csc;
u32 cbc;
u32 sub422;
u32 sub420;
u32 rlp;
};
/*

1
drivers/media/platform/atmel/atmel-sama5d2-isc.c
View File

@ -234,6 +234,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
isc->offsets.cbc = ISC_SAMA5D2_CBC_OFFSET;
isc->offsets.sub422 = ISC_SAMA5D2_SUB422_OFFSET;
isc->offsets.sub420 = ISC_SAMA5D2_SUB420_OFFSET;
isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET;
/* sama5d2-isc - 8 bits per beat */
isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8;