[PATCH 06/30] media: atmel: atmel-isc: extract CSC submodule config into separate function
From: Eugen Hristev <hidden>
Date: 2021-04-01 18:18:32
Also in:
linux-devicetree, linux-media, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
The CSC submodule should be initialized in the product specific driver as it's product specific. Other products can implement it differently. Signed-off-by: Eugen Hristev <redacted> --- drivers/media/platform/atmel/atmel-isc-base.c | 8 +------- drivers/media/platform/atmel/atmel-isc.h | 7 +++++++ drivers/media/platform/atmel/atmel-sama5d2-isc.c | 15 +++++++++++++++ 3 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
index ff40ee2e2759..31f63ba90c71 100644
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c@@ -646,13 +646,7 @@ static void isc_set_pipeline(struct isc_device *isc, u32 pipeline) regmap_bulk_write(regmap, ISC_GAM_GENTRY, gamma, GAMMA_ENTRIES); regmap_bulk_write(regmap, ISC_GAM_RENTRY, gamma, GAMMA_ENTRIES); - /* Convert RGB to YUV */ - regmap_write(regmap, ISC_CSC_YR_YG, 0x42 | (0x81 << 16)); - regmap_write(regmap, ISC_CSC_YB_OY, 0x19 | (0x10 << 16)); - regmap_write(regmap, ISC_CSC_CBR_CBG, 0xFDA | (0xFB6 << 16)); - regmap_write(regmap, ISC_CSC_CBB_OCB, 0x70 | (0x80 << 16)); - regmap_write(regmap, ISC_CSC_CRR_CRG, 0x70 | (0xFA2 << 16)); - regmap_write(regmap, ISC_CSC_CRB_OCR, 0xFEE | (0x80 << 16)); + isc->config_csc(isc); regmap_write(regmap, ISC_CBC_BRIGHT, ctrls->brightness); regmap_write(regmap, ISC_CBC_CONTRAST, ctrls->contrast);
diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
index d14ae096fbf6..bb0b4419deff 100644
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h@@ -192,6 +192,9 @@ struct isc_ctrls { * * @max_width: maximum frame width, dependent on the internal RAM * @max_height: maximum frame height, dependent on the internal RAM + * + * @config_csc: pointer to a function that initializes product + * specific CSC module */ struct isc_device { struct regmap *regmap;
@@ -259,6 +262,10 @@ struct isc_device { u32 max_width; u32 max_height; + + struct { + void (*config_csc)(struct isc_device *isc); + }; }; extern struct isc_format formats_list[];
diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
index 6d9942dcd7c1..d9f06daffdf8 100644
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c@@ -54,6 +54,19 @@ #define ISC_CLK_MAX_DIV 255 +void isc_sama5d2_config_csc(struct isc_device *isc) +{ + struct regmap *regmap = isc->regmap; + + /* Convert RGB to YUV */ + regmap_write(regmap, ISC_CSC_YR_YG, 0x42 | (0x81 << 16)); + regmap_write(regmap, ISC_CSC_YB_OY, 0x19 | (0x10 << 16)); + regmap_write(regmap, ISC_CSC_CBR_CBG, 0xFDA | (0xFB6 << 16)); + regmap_write(regmap, ISC_CSC_CBB_OCB, 0x70 | (0x80 << 16)); + regmap_write(regmap, ISC_CSC_CRR_CRG, 0x70 | (0xFA2 << 16)); + regmap_write(regmap, ISC_CSC_CRB_OCR, 0xFEE | (0x80 << 16)); +} + /* Gamma table with gamma 1/2.2 */ const u32 isc_sama5d2_gamma_table[][GAMMA_ENTRIES] = { /* 0 --> gamma 1/1.8 */
@@ -198,6 +211,8 @@ static int atmel_isc_probe(struct platform_device *pdev) isc->max_width = ISC_SAMA5D2_MAX_SUPPORT_WIDTH; isc->max_height = ISC_SAMA5D2_MAX_SUPPORT_HEIGHT; + isc->config_csc = isc_sama5d2_config_csc; + /* sama5d2-isc - 8 bits per beat */ isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8;
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel