diff options
Diffstat (limited to 'target/linux/at91/patches-5.10/164-media-atmel-atmel-isc-create-register-offsets-struct.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/164-media-atmel-atmel-isc-create-register-offsets-struct.patch | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.10/164-media-atmel-atmel-isc-create-register-offsets-struct.patch b/target/linux/at91/patches-5.10/164-media-atmel-atmel-isc-create-register-offsets-struct.patch new file mode 100644 index 0000000000..7834983d14 --- /dev/null +++ b/target/linux/at91/patches-5.10/164-media-atmel-atmel-isc-create-register-offsets-struct.patch @@ -0,0 +1,126 @@ +From 7a1b082cd81a2496e2687cee7ea1ef04a3020f48 Mon Sep 17 00:00:00 2001 +From: Eugen Hristev <eugen.hristev@microchip.com> +Date: Tue, 13 Apr 2021 12:57:06 +0200 +Subject: [PATCH 164/247] media: atmel: atmel-isc: create register offsets + struct + +Create a struct that holds register offsets that are product specific. +Add initially the CSC register. +This allows each product that contains a variant of the ISC to add their +own register offset. + +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 | 2 +- + drivers/media/platform/atmel/atmel-isc-regs.h | 3 +++ + drivers/media/platform/atmel/atmel-isc.h | 12 +++++++++++ + .../media/platform/atmel/atmel-sama5d2-isc.c | 20 +++++++++++++------ + 4 files changed, 30 insertions(+), 7 deletions(-) + +diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c +index f9190fccb482..18136e58a754 100644 +--- a/drivers/media/platform/atmel/atmel-isc-base.c ++++ b/drivers/media/platform/atmel/atmel-isc-base.c +@@ -2326,7 +2326,7 @@ int isc_pipeline_init(struct isc_device *isc) + REG_FIELD(ISC_GAM_CTRL, 1, 1), + REG_FIELD(ISC_GAM_CTRL, 2, 2), + REG_FIELD(ISC_GAM_CTRL, 3, 3), +- REG_FIELD(ISC_CSC_CTRL, 0, 0), ++ REG_FIELD(ISC_CSC_CTRL + isc->offsets.csc, 0, 0), + REG_FIELD(ISC_CBC_CTRL, 0, 0), + REG_FIELD(ISC_SUB422_CTRL, 0, 0), + REG_FIELD(ISC_SUB420_CTRL, 0, 0), +diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h +index f1e160ed4351..5a65600c5f88 100644 +--- a/drivers/media/platform/atmel/atmel-isc-regs.h ++++ b/drivers/media/platform/atmel/atmel-isc-regs.h +@@ -153,6 +153,9 @@ + /* ISC_Gamma Correction Green Entry Register */ + #define ISC_GAM_RENTRY 0x00000298 + ++/* Offset for CSC register specific to sama5d2 product */ ++#define ISC_SAMA5D2_CSC_OFFSET 0 ++ + /* Color Space Conversion Control Register */ + #define ISC_CSC_CTRL 0x00000398 + +diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h +index ebdb9ed791a7..db6b4d469dff 100644 +--- a/drivers/media/platform/atmel/atmel-isc.h ++++ b/drivers/media/platform/atmel/atmel-isc.h +@@ -143,6 +143,14 @@ struct isc_ctrls { + + #define ISC_PIPE_LINE_NODE_NUM 11 + ++/* ++ * struct isc_reg_offsets - ISC device register offsets ++ * @csc: Offset for the CSC register ++ */ ++struct isc_reg_offsets { ++ u32 csc; ++}; ++ + /* + * struct isc_device - ISC device driver data/config struct + * @regmap: Register map +@@ -194,6 +202,8 @@ struct isc_ctrls { + * + * @config_csc: pointer to a function that initializes product + * specific CSC module ++ * ++ * @offsets: struct holding the product specific register offsets + */ + struct isc_device { + struct regmap *regmap; +@@ -265,6 +275,8 @@ struct isc_device { + struct { + void (*config_csc)(struct isc_device *isc); + }; ++ ++ struct isc_reg_offsets offsets; + }; + + 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 19d0f750636c..2ad6227aa2f5 100644 +--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c ++++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c +@@ -59,12 +59,18 @@ static 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)); ++ regmap_write(regmap, ISC_CSC_YR_YG + isc->offsets.csc, ++ 0x42 | (0x81 << 16)); ++ regmap_write(regmap, ISC_CSC_YB_OY + isc->offsets.csc, ++ 0x19 | (0x10 << 16)); ++ regmap_write(regmap, ISC_CSC_CBR_CBG + isc->offsets.csc, ++ 0xFDA | (0xFB6 << 16)); ++ regmap_write(regmap, ISC_CSC_CBB_OCB + isc->offsets.csc, ++ 0x70 | (0x80 << 16)); ++ regmap_write(regmap, ISC_CSC_CRR_CRG + isc->offsets.csc, ++ 0x70 | (0xFA2 << 16)); ++ regmap_write(regmap, ISC_CSC_CRB_OCR + isc->offsets.csc, ++ 0xFEE | (0x80 << 16)); + } + + /* Gamma table with gamma 1/2.2 */ +@@ -234,6 +240,8 @@ static int atmel_isc_probe(struct platform_device *pdev) + + isc->config_csc = isc_sama5d2_config_csc; + ++ isc->offsets.csc = ISC_SAMA5D2_CSC_OFFSET; ++ + /* sama5d2-isc - 8 bits per beat */ + isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8; + +-- +2.32.0 + |