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.hris...@microchip.com> --- 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 bc036e8ac4fe..019d931d1367 100644 --- a/drivers/media/platform/atmel/atmel-isc-base.c +++ b/drivers/media/platform/atmel/atmel-isc-base.c @@ -2311,7 +2311,7 @@ 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 bb0b4419deff..ef3a0451192d 100644 --- a/drivers/media/platform/atmel/atmel-isc.h +++ b/drivers/media/platform/atmel/atmel-isc.h @@ -144,6 +144,14 @@ 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 @@ -195,6 +203,8 @@ 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; @@ -266,6 +276,8 @@ 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 f041bd75090e..9e557d17e731 100644 --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c @@ -61,12 +61,18 @@ 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 */ @@ -215,6 +221,8 @@ 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; -- 2.25.1