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

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Add his_entry 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 12:57:14 +02:00 committed by Mauro Carvalho Chehab
parent d51470069e
commit 629de518e6
4 changed files with 7 additions and 1 deletions
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3
drivers/media/platform/atmel/atmel-isc-base.c
View File

@ -1684,7 +1684,8 @@ static void isc_hist_count(struct isc_device *isc, u32 *min, u32 *max)
*min = 0;
*max = HIST_ENTRIES;
regmap_bulk_read(regmap, ISC_HIS_ENTRY, hist_entry, HIST_ENTRIES);
regmap_bulk_read(regmap, ISC_HIS_ENTRY + isc->offsets.his_entry,
hist_entry, HIST_ENTRIES);
*hist_count = 0;
/*

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

@ -300,6 +300,8 @@
/* Version Register */
#define ISC_VERSION 0x0000040c
/* Offset for version register specific to sama5d2 product */
#define ISC_SAMA5D2_HIS_ENTRY_OFFSET 0
/* Histogram Entry */
#define ISC_HIS_ENTRY 0x00000410

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

@ -154,6 +154,7 @@ struct isc_ctrls {
* @his: Offset for the HIS related registers
* @dma: Offset for the DMA related registers
* @version: Offset for the version register
* @his_entry: Offset for the HIS entries registers
*/
struct isc_reg_offsets {
u32 csc;
@ -164,6 +165,7 @@ struct isc_reg_offsets {
u32 his;
u32 dma;
u32 version;
u32 his_entry;
};
/*

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

@ -239,6 +239,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
isc->offsets.his = ISC_SAMA5D2_HIS_OFFSET;
isc->offsets.dma = ISC_SAMA5D2_DMA_OFFSET;
isc->offsets.version = ISC_SAMA5D2_VERSION_OFFSET;
isc->offsets.his_entry = ISC_SAMA5D2_HIS_ENTRY_OFFSET;
/* sama5d2-isc - 8 bits per beat */
isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8;