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From 8601f1fc0a9a22788bfa6369fbbf83b3828a5b42 Mon Sep 17 00:00:00 2001
From: Eugen Hristev <eugen.hristev@microchip.com>
Date: Tue, 13 Apr 2021 12:57:23 +0200
Subject: [PATCH 181/247] media: atmel: atmel-isc: create an adapt pipeline
callback for product specific
Once the pipeline is set in the base code, create a callback that will adapt
the ISC pipeline to each product.
Create the adapt_pipeline callback that will be used in this fashion.
[hverkuil: made isc_sama5d2_adapt_pipeline static]
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 | 4 ++++
drivers/media/platform/atmel/atmel-isc.h | 5 +++++
drivers/media/platform/atmel/atmel-sama5d2-isc.c | 11 +++++++++++
3 files changed, 20 insertions(+)
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -1059,6 +1059,10 @@ static int isc_try_configure_pipeline(st
default:
isc->try_config.bits_pipeline = 0x0;
}
+
+ /* Tune the pipeline to product specific */
+ isc->adapt_pipeline(isc);
+
return 0;
}
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -235,6 +235,9 @@ struct isc_reg_offsets {
* @config_ctrls: pointer to a functoin that initializes product
* specific v4l2 controls.
*
+ * @adapt_pipeline: pointer to a function that adapts the pipeline bits
+ * to the product specific pipeline
+ *
* @offsets: struct holding the product specific register offsets
* @controller_formats: pointer to the array of possible formats that the
* controller can output
@@ -320,6 +323,8 @@ struct isc_device {
void (*config_ctrls)(struct isc_device *isc,
const struct v4l2_ctrl_ops *ops);
+
+ void (*adapt_pipeline)(struct isc_device *isc);
};
struct isc_reg_offsets offsets;
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
@@ -54,6 +54,10 @@
#define ISC_CLK_MAX_DIV 255
+#define ISC_SAMA5D2_PIPELINE \
+ (WB_ENABLE | CFA_ENABLE | CC_ENABLE | GAM_ENABLES | CSC_ENABLE | \
+ CBC_ENABLE | SUB422_ENABLE | SUB420_ENABLE)
+
/* This is a list of the formats that the ISC can *output* */
static const struct isc_format sama5d2_controller_formats[] = {
{
@@ -257,6 +261,11 @@ static void isc_sama5d2_config_rlp(struc
ISC_RLP_CFG_MODE_MASK, rlp_mode);
}
+static void isc_sama5d2_adapt_pipeline(struct isc_device *isc)
+{
+ isc->try_config.bits_pipeline &= ISC_SAMA5D2_PIPELINE;
+}
+
/* Gamma table with gamma 1/2.2 */
static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
/* 0 --> gamma 1/1.8 */
@@ -431,6 +440,8 @@ static int atmel_isc_probe(struct platfo
isc->config_rlp = isc_sama5d2_config_rlp;
isc->config_ctrls = isc_sama5d2_config_ctrls;
+ isc->adapt_pipeline = isc_sama5d2_adapt_pipeline;
+
isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
isc->offsets.cbc = ISC_SAMA5D2_CBC_OFFSET;
isc->offsets.sub422 = ISC_SAMA5D2_SUB422_OFFSET;
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