diff options
| -rw-r--r-- | drivers/media/platform/atmel/atmel-isc-regs.h | 5 | ||||
| -rw-r--r-- | drivers/media/platform/atmel/atmel-isc.h | 2 | ||||
| -rw-r--r-- | drivers/media/platform/atmel/atmel-sama5d2-isc.c | 5 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h index 4940998c82a2..344668dcfcf4 100644 --- a/drivers/media/platform/atmel/atmel-isc-regs.h +++ b/drivers/media/platform/atmel/atmel-isc-regs.h @@ -295,6 +295,11 @@ /* DMA Address 2 Register */ #define ISC_DAD2 0x000003fc +/* Offset for version register specific to sama5d2 product */ +#define ISC_SAMA5D2_VERSION_OFFSET 0 +/* Version Register */ +#define ISC_VERSION 0x0000040c + /* Histogram Entry */ #define ISC_HIS_ENTRY 0x00000410 diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h index 52a9199d65ee..676a5be1ee8c 100644 --- a/drivers/media/platform/atmel/atmel-isc.h +++ b/drivers/media/platform/atmel/atmel-isc.h @@ -153,6 +153,7 @@ struct isc_ctrls { * @rlp: Offset for the RLP register * @his: Offset for the HIS related registers * @dma: Offset for the DMA related registers + * @version: Offset for the version register */ struct isc_reg_offsets { u32 csc; @@ -162,6 +163,7 @@ struct isc_reg_offsets { u32 rlp; u32 his; u32 dma; + u32 version; }; /* diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c index 0b31dcf1443b..059dc5d3c664 100644 --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c @@ -189,6 +189,7 @@ static int atmel_isc_probe(struct platform_device *pdev) struct isc_subdev_entity *subdev_entity; int irq; int ret; + u32 ver; isc = devm_kzalloc(dev, sizeof(*isc), GFP_KERNEL); if (!isc) @@ -237,6 +238,7 @@ static int atmel_isc_probe(struct platform_device *pdev) isc->offsets.rlp = ISC_SAMA5D2_RLP_OFFSET; isc->offsets.his = ISC_SAMA5D2_HIS_OFFSET; isc->offsets.dma = ISC_SAMA5D2_DMA_OFFSET; + isc->offsets.version = ISC_SAMA5D2_VERSION_OFFSET; /* sama5d2-isc - 8 bits per beat */ isc->dcfg = ISC_DCFG_YMBSIZE_BEATS8 | ISC_DCFG_CMBSIZE_BEATS8; @@ -332,6 +334,9 @@ static int atmel_isc_probe(struct platform_device *pdev) pm_runtime_enable(dev); pm_request_idle(dev); + regmap_read(isc->regmap, ISC_VERSION + isc->offsets.version, &ver); + dev_info(dev, "Microchip ISC version %x\n", ver); + return 0; cleanup_subdev: |