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Subject: [media] s5p-fimc: Enable simultaneous rotation and flipping Author: Sylwester Nawrocki <s.nawro...@samsung.com> Date: Mon Dec 27 14:47:32 2010 -0300 Map all (0, 90, 180, 270) deg counterclockwise rotation and horizontal and vertical flip controls to (0, 90) deg rotation, horizontal and vertical flip transformations available in the device. Signed-off-by: Sylwester Nawrocki <s.nawro...@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com> drivers/media/video/s5p-fimc/fimc-core.c | 9 +--- drivers/media/video/s5p-fimc/fimc-reg.c | 74 ++++++++++++------------------ 2 files changed, 31 insertions(+), 52 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=e78a06d4465a28b9b9e3959bd86e0c0f0a436707 diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index 9ebb925..b8d59f4 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -1055,13 +1055,6 @@ int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl) struct fimc_dev *fimc = ctx->fimc_dev; unsigned long flags; - if (ctx->rotation != 0 && - (ctrl->id == V4L2_CID_HFLIP || ctrl->id == V4L2_CID_VFLIP)) { - v4l2_err(&fimc->m2m.v4l2_dev, - "Simultaneous flip and rotation is not supported\n"); - return -EINVAL; - } - spin_lock_irqsave(&ctx->slock, flags); switch (ctrl->id) { @@ -1102,7 +1095,7 @@ int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl) } static int fimc_m2m_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) + struct v4l2_control *ctrl) { struct fimc_ctx *ctx = priv; int ret = 0; diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c index c4703b5..c14c831 100644 --- a/drivers/media/video/s5p-fimc/fimc-reg.c +++ b/drivers/media/video/s5p-fimc/fimc-reg.c @@ -37,11 +37,11 @@ void fimc_hw_reset(struct fimc_dev *dev) writel(cfg, dev->regs + S5P_CIGCTRL); } -static u32 fimc_hw_get_in_flip(u32 ctx_flip) +static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx) { u32 flip = S5P_MSCTRL_FLIP_NORMAL; - switch (ctx_flip) { + switch (ctx->flip) { case FLIP_X_AXIS: flip = S5P_MSCTRL_FLIP_X_MIRROR; break; @@ -51,16 +51,20 @@ static u32 fimc_hw_get_in_flip(u32 ctx_flip) case FLIP_XY_AXIS: flip = S5P_MSCTRL_FLIP_180; break; + default: + break; } + if (ctx->rotation <= 90) + return flip; - return flip; + return (flip ^ S5P_MSCTRL_FLIP_180) & S5P_MSCTRL_FLIP_180; } -static u32 fimc_hw_get_target_flip(u32 ctx_flip) +static u32 fimc_hw_get_target_flip(struct fimc_ctx *ctx) { u32 flip = S5P_CITRGFMT_FLIP_NORMAL; - switch (ctx_flip) { + switch (ctx->flip) { case FLIP_X_AXIS: flip = S5P_CITRGFMT_FLIP_X_MIRROR; break; @@ -70,11 +74,13 @@ static u32 fimc_hw_get_target_flip(u32 ctx_flip) case FLIP_XY_AXIS: flip = S5P_CITRGFMT_FLIP_180; break; - case FLIP_NONE: + default: break; - } - return flip; + if (ctx->rotation <= 90) + return flip; + + return (flip ^ S5P_CITRGFMT_FLIP_180) & S5P_CITRGFMT_FLIP_180; } void fimc_hw_set_rotation(struct fimc_ctx *ctx) @@ -84,10 +90,7 @@ void fimc_hw_set_rotation(struct fimc_ctx *ctx) cfg = readl(dev->regs + S5P_CITRGFMT); cfg &= ~(S5P_CITRGFMT_INROT90 | S5P_CITRGFMT_OUTROT90 | - S5P_CITRGFMT_FLIP_180); - - flip = readl(dev->regs + S5P_MSCTRL); - flip &= ~S5P_MSCTRL_FLIP_MASK; + S5P_CITRGFMT_FLIP_180); /* * The input and output rotator cannot work simultaneously. @@ -95,26 +98,22 @@ void fimc_hw_set_rotation(struct fimc_ctx *ctx) * in direct fifo output mode. */ if (ctx->rotation == 90 || ctx->rotation == 270) { - if (ctx->out_path == FIMC_LCDFIFO) { - cfg |= S5P_CITRGFMT_INROT90; - if (ctx->rotation == 270) - flip |= S5P_MSCTRL_FLIP_180; - } else { - cfg |= S5P_CITRGFMT_OUTROT90; - if (ctx->rotation == 270) - cfg |= S5P_CITRGFMT_FLIP_180; - } - } else if (ctx->rotation == 180) { if (ctx->out_path == FIMC_LCDFIFO) - flip |= S5P_MSCTRL_FLIP_180; + cfg |= S5P_CITRGFMT_INROT90; else - cfg |= S5P_CITRGFMT_FLIP_180; + cfg |= S5P_CITRGFMT_OUTROT90; } - if (ctx->rotation == 180 || ctx->rotation == 270) - writel(flip, dev->regs + S5P_MSCTRL); - cfg |= fimc_hw_get_target_flip(ctx->flip); - writel(cfg, dev->regs + S5P_CITRGFMT); + if (ctx->out_path == FIMC_DMA) { + cfg |= fimc_hw_get_target_flip(ctx); + writel(cfg, dev->regs + S5P_CITRGFMT); + } else { + /* LCD FIFO path */ + flip = readl(dev->regs + S5P_MSCTRL); + flip &= ~S5P_MSCTRL_FLIP_MASK; + flip |= fimc_hw_get_in_flip(ctx); + writel(flip, dev->regs + S5P_MSCTRL); + } } void fimc_hw_set_target_format(struct fimc_ctx *ctx) @@ -131,18 +130,13 @@ void fimc_hw_set_target_format(struct fimc_ctx *ctx) S5P_CITRGFMT_VSIZE_MASK); switch (frame->fmt->color) { - case S5P_FIMC_RGB565: - case S5P_FIMC_RGB666: - case S5P_FIMC_RGB888: + case S5P_FIMC_RGB565...S5P_FIMC_RGB888: cfg |= S5P_CITRGFMT_RGB; break; case S5P_FIMC_YCBCR420: cfg |= S5P_CITRGFMT_YCBCR420; break; - case S5P_FIMC_YCBYCR422: - case S5P_FIMC_YCRYCB422: - case S5P_FIMC_CBYCRY422: - case S5P_FIMC_CRYCBY422: + case S5P_FIMC_YCBYCR422...S5P_FIMC_CRYCBY422: if (frame->fmt->colplanes == 1) cfg |= S5P_CITRGFMT_YCBCR422_1P; else @@ -410,8 +404,7 @@ void fimc_hw_set_in_dma(struct fimc_ctx *ctx) /* Set the input DMA to process single frame only. */ cfg = readl(dev->regs + S5P_MSCTRL); - cfg &= ~(S5P_MSCTRL_FLIP_MASK - | S5P_MSCTRL_INFORMAT_MASK + cfg &= ~(S5P_MSCTRL_INFORMAT_MASK | S5P_MSCTRL_IN_BURST_COUNT_MASK | S5P_MSCTRL_INPUT_MASK | S5P_MSCTRL_C_INT_IN_MASK @@ -450,13 +443,6 @@ void fimc_hw_set_in_dma(struct fimc_ctx *ctx) break; } - /* - * Input DMA flip mode (and rotation). - * Do not allow simultaneous rotation and flipping. - */ - if (!ctx->rotation && ctx->out_path == FIMC_LCDFIFO) - cfg |= fimc_hw_get_in_flip(ctx->flip); - writel(cfg, dev->regs + S5P_MSCTRL); /* Input/output DMA linear/tiled mode. */ _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
