[PATCH 13/30] media: atmel: atmel-isc: add HIS to register offsets

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Add his 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@xxxxxxxxxxxxx>
---
 drivers/media/platform/atmel/atmel-isc-base.c    | 11 +++++++----
 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, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
index 317172959370..aa7a9a7ca0e6 100644
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -678,12 +678,13 @@ static void isc_set_histogram(struct isc_device *isc, bool enable)
 	struct isc_ctrls *ctrls = &isc->ctrls;
 
 	if (enable) {
-		regmap_write(regmap, ISC_HIS_CFG,
+		regmap_write(regmap, ISC_HIS_CFG + isc->offsets.his,
 			     ISC_HIS_CFG_MODE_GR |
 			     (isc->config.sd_format->cfa_baycfg
 					<< ISC_HIS_CFG_BAYSEL_SHIFT) |
 					ISC_HIS_CFG_RAR);
-		regmap_write(regmap, ISC_HIS_CTRL, ISC_HIS_CTRL_EN);
+		regmap_write(regmap, ISC_HIS_CTRL + isc->offsets.his,
+			     ISC_HIS_CTRL_EN);
 		regmap_write(regmap, ISC_INTEN, ISC_INT_HISDONE);
 		ctrls->hist_id = ISC_HIS_CFG_MODE_GR;
 		isc_update_profile(isc);
@@ -692,7 +693,8 @@ static void isc_set_histogram(struct isc_device *isc, bool enable)
 		ctrls->hist_stat = HIST_ENABLED;
 	} else {
 		regmap_write(regmap, ISC_INTDIS, ISC_INT_HISDONE);
-		regmap_write(regmap, ISC_HIS_CTRL, ISC_HIS_CTRL_DIS);
+		regmap_write(regmap, ISC_HIS_CTRL + isc->offsets.his,
+			     ISC_HIS_CTRL_DIS);
 
 		ctrls->hist_stat = HIST_DISABLED;
 	}
@@ -1821,7 +1823,8 @@ static void isc_awb_work(struct work_struct *w)
 			ctrls->awb = ISC_WB_NONE;
 		}
 	}
-	regmap_write(regmap, ISC_HIS_CFG, hist_id | baysel | ISC_HIS_CFG_RAR);
+	regmap_write(regmap, ISC_HIS_CFG + isc->offsets.his,
+		     hist_id | baysel | ISC_HIS_CFG_RAR);
 	isc_update_profile(isc);
 	/* if awb has been disabled, we don't need to start another histogram */
 	if (ctrls->awb)
diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h
index 2205484e04fc..0ab280ab59ec 100644
--- a/drivers/media/platform/atmel/atmel-isc-regs.h
+++ b/drivers/media/platform/atmel/atmel-isc-regs.h
@@ -224,6 +224,8 @@
 #define ISC_RLP_CFG_MODE_YYCC_LIMITED   0xc
 #define ISC_RLP_CFG_MODE_MASK           GENMASK(3, 0)
 
+/* Offset for HIS register specific to sama5d2 product */
+#define ISC_SAMA5D2_HIS_OFFSET	0
 /* Histogram Control Register */
 #define ISC_HIS_CTRL	0x000003d4
 
diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
index b7d4e7fab570..652285dc9f52 100644
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -151,6 +151,7 @@ struct isc_ctrls {
  * @sub422:		Offset for the SUB422 register
  * @sub420:		Offset for the SUB420 register
  * @rlp:		Offset for the RLP register
+ * @his:		Offset for the HIS related registers
  */
 struct isc_reg_offsets {
 	u32 csc;
@@ -158,6 +159,7 @@ struct isc_reg_offsets {
 	u32 sub422;
 	u32 sub420;
 	u32 rlp;
+	u32 his;
 };
 
 /*
diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
index 32c05eb1c16d..886dea8b7b1c 100644
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
@@ -235,6 +235,7 @@ static int atmel_isc_probe(struct platform_device *pdev)
 	isc->offsets.sub422 = ISC_SAMA5D2_SUB422_OFFSET;
 	isc->offsets.sub420 = ISC_SAMA5D2_SUB420_OFFSET;
 	isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET;
+	isc->offsets.his = ISC_SAMA5D2_HIS_OFFSET;
 
 	/* sama5d2-isc - 8 bits per beat */
 	isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8;
-- 
2.25.1




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