diff options
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-dma.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index ac07f99e3516..b41ba9a4a2b3 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -124,7 +124,9 @@ #define VNDMR2_VPS (1 << 30) #define VNDMR2_HPS (1 << 29) #define VNDMR2_FTEV (1 << 17) +#define VNDMR2_FTEH (1 << 16) #define VNDMR2_VLV(n) ((n & 0xf) << 12) +#define VNDMR2_HLV(n) ((n) & 0xfff) /* Video n CSI2 Interface Mode Register (Gen3) */ #define VNCSI_IFMD_DES1 (1 << 26) @@ -612,8 +614,9 @@ void rvin_crop_scale_comp(struct rvin_dev *vin) static int rvin_setup(struct rvin_dev *vin) { - u32 vnmc, dmr, dmr2, interrupts; + u32 vnmc, dmr, dmr2, interrupts, lines; bool progressive = false, output_is_yuv = false, input_is_yuv = false; + bool halfsize = false; switch (vin->format.field) { case V4L2_FIELD_TOP: @@ -628,12 +631,15 @@ static int rvin_setup(struct rvin_dev *vin) /* Use BT if video standard can be read and is 60 Hz format */ if (!vin->info->use_mc && vin->std & V4L2_STD_525_60) vnmc = VNMC_IM_FULL | VNMC_FOC; + halfsize = true; break; case V4L2_FIELD_INTERLACED_TB: vnmc = VNMC_IM_FULL; + halfsize = true; break; case V4L2_FIELD_INTERLACED_BT: vnmc = VNMC_IM_FULL | VNMC_FOC; + halfsize = true; break; case V4L2_FIELD_NONE: vnmc = VNMC_IM_ODD_EVEN; @@ -676,11 +682,15 @@ static int rvin_setup(struct rvin_dev *vin) break; } - /* Enable VSYNC Field Toogle mode after one VSYNC input */ - if (vin->info->model == RCAR_GEN3) - dmr2 = VNDMR2_FTEV; - else + if (vin->info->model == RCAR_GEN3) { + /* Enable HSYNC Field Toggle mode after height HSYNC inputs. */ + lines = vin->format.height / (halfsize ? 2 : 1); + dmr2 = VNDMR2_FTEH | VNDMR2_HLV(lines); + vin_dbg(vin, "Field Toogle after %u lines\n", lines); + } else { + /* Enable VSYNC Field Toogle mode after one VSYNC input. */ dmr2 = VNDMR2_FTEV | VNDMR2_VLV(1); + } /* Hsync Signal Polarity Select */ if (!(vin->mbus_cfg.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)) |