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path: root/drivers/media/video/s5p-fimc/fimc-reg.c
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Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-reg.c')
-rw-r--r--drivers/media/video/s5p-fimc/fimc-reg.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 70f29c5a6d10..94e98d47a7d0 100644
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ b/drivers/media/video/s5p-fimc/fimc-reg.c
@@ -29,7 +29,7 @@ void fimc_hw_reset(struct fimc_dev *dev)
cfg = readl(dev->regs + S5P_CIGCTRL);
cfg |= (S5P_CIGCTRL_SWRST | S5P_CIGCTRL_IRQ_LEVEL);
writel(cfg, dev->regs + S5P_CIGCTRL);
- msleep(1);
+ udelay(1000);
cfg = readl(dev->regs + S5P_CIGCTRL);
cfg &= ~S5P_CIGCTRL_SWRST;
@@ -247,21 +247,20 @@ void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable)
spin_unlock_irqrestore(&dev->slock, flags);
}
-void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
+static void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
{
struct fimc_dev *dev = ctx->fimc_dev;
struct fimc_scaler *sc = &ctx->scaler;
- u32 cfg = 0, shfactor;
+ u32 cfg, shfactor;
shfactor = 10 - (sc->hfactor + sc->vfactor);
- cfg |= S5P_CISCPRERATIO_SHFACTOR(shfactor);
+ cfg = S5P_CISCPRERATIO_SHFACTOR(shfactor);
cfg |= S5P_CISCPRERATIO_HOR(sc->pre_hratio);
cfg |= S5P_CISCPRERATIO_VER(sc->pre_vratio);
writel(cfg, dev->regs + S5P_CISCPRERATIO);
- cfg = 0;
- cfg |= S5P_CISCPREDST_WIDTH(sc->pre_dst_width);
+ cfg = S5P_CISCPREDST_WIDTH(sc->pre_dst_width);
cfg |= S5P_CISCPREDST_HEIGHT(sc->pre_dst_height);
writel(cfg, dev->regs + S5P_CISCPREDST);
}
@@ -274,6 +273,8 @@ void fimc_hw_set_scaler(struct fimc_ctx *ctx)
struct fimc_frame *dst_frame = &ctx->d_frame;
u32 cfg = 0;
+ fimc_hw_set_prescaler(ctx);
+
if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE);
@@ -364,7 +365,7 @@ static void fimc_hw_set_in_dma_size(struct fimc_ctx *ctx)
u32 cfg_r = 0;
if (FIMC_LCDFIFO == ctx->out_path)
- cfg_r |= S5P_CIREAL_ISIZE_AUTOLOAD_EN;
+ cfg_r |= S5P_CIREAL_ISIZE_AUTOLOAD_EN;
cfg_o |= S5P_ORIG_SIZE_HOR(frame->f_width);
cfg_o |= S5P_ORIG_SIZE_VER(frame->f_height);
@@ -380,27 +381,25 @@ void fimc_hw_set_in_dma(struct fimc_ctx *ctx)
struct fimc_dev *dev = ctx->fimc_dev;
struct fimc_frame *frame = &ctx->s_frame;
struct fimc_dma_offset *offset = &frame->dma_offset;
- u32 cfg = 0;
+ u32 cfg;
/* Set the pixel offsets. */
- cfg |= S5P_CIO_OFFS_HOR(offset->y_h);
+ cfg = S5P_CIO_OFFS_HOR(offset->y_h);
cfg |= S5P_CIO_OFFS_VER(offset->y_v);
writel(cfg, dev->regs + S5P_CIIYOFF);
- cfg = 0;
- cfg |= S5P_CIO_OFFS_HOR(offset->cb_h);
+ cfg = S5P_CIO_OFFS_HOR(offset->cb_h);
cfg |= S5P_CIO_OFFS_VER(offset->cb_v);
writel(cfg, dev->regs + S5P_CIICBOFF);
- cfg = 0;
- cfg |= S5P_CIO_OFFS_HOR(offset->cr_h);
+ cfg = S5P_CIO_OFFS_HOR(offset->cr_h);
cfg |= S5P_CIO_OFFS_VER(offset->cr_v);
writel(cfg, dev->regs + S5P_CIICROFF);
/* Input original and real size. */
fimc_hw_set_in_dma_size(ctx);
- /* Autoload is used currently only in FIFO mode. */
+ /* Use DMA autoload only in FIFO mode. */
fimc_hw_en_autoload(dev, ctx->out_path == FIMC_LCDFIFO);
/* Set the input DMA to process single frame only. */
@@ -501,9 +500,7 @@ void fimc_hw_set_output_path(struct fimc_ctx *ctx)
void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr)
{
- u32 cfg = 0;
-
- cfg = readl(dev->regs + S5P_CIREAL_ISIZE);
+ u32 cfg = readl(dev->regs + S5P_CIREAL_ISIZE);
cfg |= S5P_CIREAL_ISIZE_ADDR_CH_DIS;
writel(cfg, dev->regs + S5P_CIREAL_ISIZE);
@@ -515,13 +512,15 @@ void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr)
writel(cfg, dev->regs + S5P_CIREAL_ISIZE);
}
-void fimc_hw_set_output_addr(struct fimc_dev *dev, struct fimc_addr *paddr)
+void fimc_hw_set_output_addr(struct fimc_dev *dev,
+ struct fimc_addr *paddr, int index)
{
- int i;
- /* Set all the output register sets to point to single video buffer. */
- for (i = 0; i < FIMC_MAX_OUT_BUFS; i++) {
+ int i = (index == -1) ? 0 : index;
+ do {
writel(paddr->y, dev->regs + S5P_CIOYSA(i));
writel(paddr->cb, dev->regs + S5P_CIOCBSA(i));
writel(paddr->cr, dev->regs + S5P_CIOCRSA(i));
- }
+ dbg("dst_buf[%d]: 0x%X, cb: 0x%X, cr: 0x%X",
+ i, paddr->y, paddr->cb, paddr->cr);
+ } while (index == -1 && ++i < FIMC_MAX_OUT_BUFS);
}