diff options
| -rw-r--r-- | drivers/media/platform/renesas/rcar-vin/rcar-dma.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c index 2272f1c96aaf..6644b498929d 100644 --- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c @@ -77,6 +77,7 @@ /* Register bit fields for R-Car VIN */ /* Video n Main Control Register bits */ +#define VNMC_INF_MASK (7 << 16) #define VNMC_DPINE (1 << 27) /* Gen3 specific */ #define VNMC_SCLE (1 << 26) /* Gen3 specific */ #define VNMC_FOC (1 << 21) @@ -88,6 +89,7 @@ #define VNMC_INF_RAW8 (4 << 16) #define VNMC_INF_YUV16 (5 << 16) #define VNMC_INF_RGB888 (6 << 16) +#define VNMC_INF_RGB666 (7 << 16) #define VNMC_VUP (1 << 10) #define VNMC_IM_ODD (0 << 3) #define VNMC_IM_ODD_EVEN (1 << 3) @@ -707,6 +709,29 @@ static int rvin_setup(struct rvin_dev *vin) break; } + /* Make sure input interface and input format is valid. */ + if (vin->info->model == RCAR_GEN3) { + switch (vnmc & VNMC_INF_MASK) { + case VNMC_INF_YUV8_BT656: + case VNMC_INF_YUV10_BT656: + case VNMC_INF_YUV16: + case VNMC_INF_RGB666: + if (vin->is_csi) { + vin_err(vin, "Invalid setting in MIPI CSI2\n"); + return -EINVAL; + } + break; + case VNMC_INF_RAW8: + if (!vin->is_csi) { + vin_err(vin, "Invalid setting in Digital Pins\n"); + return -EINVAL; + } + break; + default: + break; + } + } + /* Enable VSYNC Field Toggle mode after one VSYNC input */ if (vin->info->model == RCAR_GEN3) dmr2 = VNDMR2_FTEV; |