diff options
Diffstat (limited to 'drivers/media/platform/rcar-vin/rcar-dma.c')
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-dma.c | 56 |
1 files changed, 49 insertions, 7 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 91ab064404a1..3cb29b2e0b2b 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -111,10 +111,13 @@ #define VNIE_EFE (1 << 1) /* Video n Data Mode Register bits */ +#define VNDMR_A8BIT(n) (((n) & 0xff) << 24) +#define VNDMR_A8BIT_MASK (0xff << 24) #define VNDMR_EXRGB (1 << 8) #define VNDMR_BPSM (1 << 4) +#define VNDMR_ABIT (1 << 2) #define VNDMR_DTMD_YCSEP (1 << 1) -#define VNDMR_DTMD_ARGB1555 (1 << 0) +#define VNDMR_DTMD_ARGB (1 << 0) /* Video n Data Mode Register 2 bits */ #define VNDMR2_VPS (1 << 30) @@ -574,6 +577,9 @@ static void rvin_crop_scale_comp_gen2(struct rvin_dev *vin) void rvin_crop_scale_comp(struct rvin_dev *vin) { + const struct rvin_video_format *fmt; + u32 stride; + /* Set Start/End Pixel/Line Pre-Clip */ rvin_write(vin, vin->crop.left, VNSPPRC_REG); rvin_write(vin, vin->crop.left + vin->crop.width - 1, VNEPPRC_REG); @@ -597,10 +603,9 @@ void rvin_crop_scale_comp(struct rvin_dev *vin) if (vin->info->model != RCAR_GEN3) rvin_crop_scale_comp_gen2(vin); - if (vin->format.pixelformat == V4L2_PIX_FMT_NV16) - rvin_write(vin, ALIGN(vin->format.width, 0x20), VNIS_REG); - else - rvin_write(vin, ALIGN(vin->format.width, 0x10), VNIS_REG); + fmt = rvin_format_from_pixel(vin, vin->format.pixelformat); + stride = vin->format.bytesperline / fmt->bpp; + rvin_write(vin, stride, VNIS_REG); } /* ----------------------------------------------------------------------------- @@ -721,7 +726,7 @@ static int rvin_setup(struct rvin_dev *vin) output_is_yuv = true; break; case V4L2_PIX_FMT_XRGB555: - dmr = VNDMR_DTMD_ARGB1555; + dmr = VNDMR_DTMD_ARGB; break; case V4L2_PIX_FMT_RGB565: dmr = 0; @@ -730,6 +735,12 @@ static int rvin_setup(struct rvin_dev *vin) /* Note: not supported on M1 */ dmr = VNDMR_EXRGB; break; + case V4L2_PIX_FMT_ARGB555: + dmr = (vin->alpha ? VNDMR_ABIT : 0) | VNDMR_DTMD_ARGB; + break; + case V4L2_PIX_FMT_ABGR32: + dmr = VNDMR_A8BIT(vin->alpha) | VNDMR_EXRGB | VNDMR_DTMD_ARGB; + break; default: vin_err(vin, "Invalid pixelformat (0x%x)\n", vin->format.pixelformat); @@ -794,7 +805,7 @@ static void rvin_set_slot_addr(struct rvin_dev *vin, int slot, dma_addr_t addr) int offsetx, offsety; dma_addr_t offset; - fmt = rvin_format_from_pixel(vin->format.pixelformat); + fmt = rvin_format_from_pixel(vin, vin->format.pixelformat); /* * There is no HW support for composition do the beast we can @@ -1343,3 +1354,34 @@ int rvin_set_channel_routing(struct rvin_dev *vin, u8 chsel) return 0; } + +void rvin_set_alpha(struct rvin_dev *vin, unsigned int alpha) +{ + unsigned long flags; + u32 dmr; + + spin_lock_irqsave(&vin->qlock, flags); + + vin->alpha = alpha; + + if (vin->state == STOPPED) + goto out; + + switch (vin->format.pixelformat) { + case V4L2_PIX_FMT_ARGB555: + dmr = rvin_read(vin, VNDMR_REG) & ~VNDMR_ABIT; + if (vin->alpha) + dmr |= VNDMR_ABIT; + break; + case V4L2_PIX_FMT_ABGR32: + dmr = rvin_read(vin, VNDMR_REG) & ~VNDMR_A8BIT_MASK; + dmr |= VNDMR_A8BIT(vin->alpha); + break; + default: + goto out; + } + + rvin_write(vin, dmr, VNDMR_REG); +out: + spin_unlock_irqrestore(&vin->qlock, flags); +} |