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- From 96936a6753a13dea5a8f66de949e6594dd82ce22 Mon Sep 17 00:00:00 2001
- From: Eugen Hristev <[email protected]>
- Date: Tue, 13 Apr 2021 12:57:20 +0200
- Subject: [PATCH 178/247] media: atmel: atmel-isc: create callback for GAM
- submodule product specific
- The GAM submodule is a part of the atmel-isc pipeline, and stands for
- Gamma Correction. It is used to apply the gamma curve to the incoming pixels.
- Create a product specific callback for initializing the GAM submodule
- of the pipeline.
- For sama5d2 product, there is no special configuration at this moment,
- thus this function is a noop.
- [hverkuil: made isc_sama5d2_config_gam static]
- Signed-off-by: Eugen Hristev <[email protected]>
- Signed-off-by: Hans Verkuil <[email protected]>
- Signed-off-by: Mauro Carvalho Chehab <[email protected]>
- ---
- drivers/media/platform/atmel/atmel-isc-base.c | 1 +
- drivers/media/platform/atmel/atmel-isc.h | 3 +++
- drivers/media/platform/atmel/atmel-sama5d2-isc.c | 6 ++++++
- 3 files changed, 10 insertions(+)
- --- a/drivers/media/platform/atmel/atmel-isc-base.c
- +++ b/drivers/media/platform/atmel/atmel-isc-base.c
- @@ -663,6 +663,7 @@ static void isc_set_pipeline(struct isc_
- isc->config_csc(isc);
- isc->config_cbc(isc);
- isc->config_cc(isc);
- + isc->config_gam(isc);
- }
-
- static int isc_update_profile(struct isc_device *isc)
- --- a/drivers/media/platform/atmel/atmel-isc.h
- +++ b/drivers/media/platform/atmel/atmel-isc.h
- @@ -228,6 +228,8 @@ struct isc_reg_offsets {
- * specific CBC module
- * @config_cc: pointer to a function that initializes product
- * specific CC module
- + * @config_gam: pointer to a function that initializes product
- + * specific GAMMA module
- * @config_ctrls: pointer to a functoin that initializes product
- * specific v4l2 controls.
- *
- @@ -305,6 +307,7 @@ struct isc_device {
- void (*config_csc)(struct isc_device *isc);
- void (*config_cbc)(struct isc_device *isc);
- void (*config_cc)(struct isc_device *isc);
- + void (*config_gam)(struct isc_device *isc);
-
- void (*config_ctrls)(struct isc_device *isc,
- const struct v4l2_ctrl_ops *ops);
- --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
- +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
- @@ -112,6 +112,11 @@ static void isc_sama5d2_config_dpc(struc
- /* This module is not present on sama5d2 pipeline */
- }
-
- +static void isc_sama5d2_config_gam(struct isc_device *isc)
- +{
- + /* No specific gamma configuration */
- +}
- +
- /* Gamma table with gamma 1/2.2 */
- static const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = {
- /* 0 --> gamma 1/1.8 */
- @@ -282,6 +287,7 @@ static int atmel_isc_probe(struct platfo
- isc->config_csc = isc_sama5d2_config_csc;
- isc->config_cbc = isc_sama5d2_config_cbc;
- isc->config_cc = isc_sama5d2_config_cc;
- + isc->config_gam = isc_sama5d2_config_gam;
- isc->config_ctrls = isc_sama5d2_config_ctrls;
-
- isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET;
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