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76 lines
3.0 KiB
Diff
76 lines
3.0 KiB
Diff
From d53eb90044c19ba22b51978fcb007d9b5200b83a Mon Sep 17 00:00:00 2001
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From: Eugen Hristev <eugen.hristev@microchip.com>
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Date: Tue, 13 Apr 2021 12:57:19 +0200
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Subject: [PATCH 177/247] media: atmel: atmel-isc: create callback for DPC
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submodule product specific
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The DPC submodule is a part of the atmel-isc pipeline, and stands for
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Defective Pixel Correction. Its purpose is to detect defective pixels and
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correct them if possible with the help of adjacent pixels.
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Create a product specific callback for initializing the DPC submodule
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of the pipeline.
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For sama5d2 product, this module does not exist, thus this function is a noop.
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[hverkuil: made isc_sama5d2_config_dpc static]
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Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
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Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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---
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drivers/media/platform/atmel/atmel-isc-base.c | 1 +
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drivers/media/platform/atmel/atmel-isc.h | 3 +++
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drivers/media/platform/atmel/atmel-sama5d2-isc.c | 6 ++++++
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3 files changed, 10 insertions(+)
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--- a/drivers/media/platform/atmel/atmel-isc-base.c
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+++ b/drivers/media/platform/atmel/atmel-isc-base.c
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@@ -659,6 +659,7 @@ static void isc_set_pipeline(struct isc_
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regmap_bulk_write(regmap, ISC_GAM_GENTRY, gamma, GAMMA_ENTRIES);
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regmap_bulk_write(regmap, ISC_GAM_RENTRY, gamma, GAMMA_ENTRIES);
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+ isc->config_dpc(isc);
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isc->config_csc(isc);
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isc->config_cbc(isc);
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isc->config_cc(isc);
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--- a/drivers/media/platform/atmel/atmel-isc.h
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+++ b/drivers/media/platform/atmel/atmel-isc.h
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@@ -220,6 +220,8 @@ struct isc_reg_offsets {
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* @max_width: maximum frame width, dependent on the internal RAM
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* @max_height: maximum frame height, dependent on the internal RAM
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*
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+ * @config_dpc: pointer to a function that initializes product
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+ * specific DPC module
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* @config_csc: pointer to a function that initializes product
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* specific CSC module
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* @config_cbc: pointer to a function that initializes product
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@@ -299,6 +301,7 @@ struct isc_device {
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u32 max_height;
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struct {
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+ void (*config_dpc)(struct isc_device *isc);
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void (*config_csc)(struct isc_device *isc);
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void (*config_cbc)(struct isc_device *isc);
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void (*config_cc)(struct isc_device *isc);
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--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
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@@ -107,6 +107,11 @@ static void isc_sama5d2_config_ctrls(str
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v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -2048, 2047, 1, 256);
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}
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+static void isc_sama5d2_config_dpc(struct isc_device *isc)
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+{
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+ /* This module is not present on sama5d2 pipeline */
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+}
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+
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/* Gamma table with gamma 1/2.2 */
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static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
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/* 0 --> gamma 1/1.8 */
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@@ -273,6 +278,7 @@ static int atmel_isc_probe(struct platfo
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isc->max_width = ISC_SAMA5D2_MAX_SUPPORT_WIDTH;
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isc->max_height = ISC_SAMA5D2_MAX_SUPPORT_HEIGHT;
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+ isc->config_dpc = isc_sama5d2_config_dpc;
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isc->config_csc = isc_sama5d2_config_csc;
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isc->config_cbc = isc_sama5d2_config_cbc;
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isc->config_cc = isc_sama5d2_config_cc;
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