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From bce46a8a620a796ca3cfe5bff61baf6744074986 Mon Sep 17 00:00:00 2001
From: Eugen Hristev <eugen.hristev@microchip.com>
Date: Tue, 13 Apr 2021 12:57:14 +0200
Subject: [PATCH 172/247] media: atmel: atmel-isc: add his_entry to register
offsets
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>
---
drivers/media/platform/atmel/atmel-isc-base.c | 3 ++-
drivers/media/platform/atmel/atmel-isc-regs.h | 2 ++
drivers/media/platform/atmel/atmel-isc.h | 2 ++
drivers/media/platform/atmel/atmel-sama5d2-isc.c | 1 +
4 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
index e010429fc44d..cfe60b2882ac 100644
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -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;
/*
diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h
index 344668dcfcf4..a15c13e1a833 100644
--- a/drivers/media/platform/atmel/atmel-isc-regs.h
+++ b/drivers/media/platform/atmel/atmel-isc-regs.h
@@ -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
diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
index 13ee19d99c2e..513b2b920b1f 100644
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -153,6 +153,7 @@ 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;
@@ -163,6 +164,7 @@ struct isc_reg_offsets {
u32 his;
u32 dma;
u32 version;
+ u32 his_entry;
};
/*
diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
index aebf38dde2d2..ed575eb3726d 100644
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
@@ -260,6 +260,7 @@ 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;
--
2.32.0
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