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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>
This commit is contained in:
Eugen Hristev 2021-04-13 12:57:23 +02:00 committed by Mauro Carvalho Chehab
parent 415dbe4efa
commit 049a38fc96
3 changed files with 20 additions and 0 deletions
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4
drivers/media/platform/atmel/atmel-isc-base.c
View File

@ -1059,6 +1059,10 @@ static int isc_try_configure_pipeline(struct isc_device *isc)
default:
isc->try_config.bits_pipeline = 0x0;
}
/* Tune the pipeline to product specific */
isc->adapt_pipeline(isc);
return 0;
}

5
drivers/media/platform/atmel/atmel-isc.h
View File

@ -236,6 +236,9 @@ 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
@ -321,6 +324,8 @@ 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;

11
drivers/media/platform/atmel/atmel-sama5d2-isc.c
View File

@ -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(struct isc_device *isc)
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 */
@ -410,6 +419,8 @@ static int atmel_isc_probe(struct platform_device *pdev)
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;