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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.c205
1 files changed, 111 insertions, 94 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 511631a2e5c3..4d929a394521 100644
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ b/drivers/media/video/s5p-fimc/fimc-reg.c
@@ -13,7 +13,7 @@
#include <linux/io.h>
#include <linux/delay.h>
#include <mach/map.h>
-#include <media/s3c_fimc.h>
+#include <media/s5p_fimc.h>
#include "fimc-core.h"
@@ -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)
@@ -131,19 +130,14 @@ 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:
- if (frame->fmt->planes_cnt == 1)
+ case S5P_FIMC_YCBYCR422...S5P_FIMC_CRYCBY422:
+ if (frame->fmt->colplanes == 1)
cfg |= S5P_CITRGFMT_YCBCR422_1P;
else
cfg |= S5P_CITRGFMT_YCBCR422;
@@ -219,11 +213,11 @@ void fimc_hw_set_out_dma(struct fimc_ctx *ctx)
cfg &= ~(S5P_CIOCTRL_ORDER2P_MASK | S5P_CIOCTRL_ORDER422_MASK |
S5P_CIOCTRL_YCBCR_PLANE_MASK);
- if (frame->fmt->planes_cnt == 1)
+ if (frame->fmt->colplanes == 1)
cfg |= ctx->out_order_1p;
- else if (frame->fmt->planes_cnt == 2)
+ else if (frame->fmt->colplanes == 2)
cfg |= ctx->out_order_2p | S5P_CIOCTRL_YCBCR_2PLANE;
- else if (frame->fmt->planes_cnt == 3)
+ else if (frame->fmt->colplanes == 3)
cfg |= S5P_CIOCTRL_YCBCR_3PLANE;
writel(cfg, dev->regs + S5P_CIOCTRL);
@@ -249,7 +243,7 @@ void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable)
writel(cfg, dev->regs + S5P_CIOCTRL);
}
-static void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
+void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
{
struct fimc_dev *dev = ctx->fimc_dev;
struct fimc_scaler *sc = &ctx->scaler;
@@ -267,7 +261,7 @@ static void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
writel(cfg, dev->regs + S5P_CISCPREDST);
}
-void fimc_hw_set_scaler(struct fimc_ctx *ctx)
+static void fimc_hw_set_scaler(struct fimc_ctx *ctx)
{
struct fimc_dev *dev = ctx->fimc_dev;
struct fimc_scaler *sc = &ctx->scaler;
@@ -275,8 +269,6 @@ 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);
@@ -316,13 +308,42 @@ void fimc_hw_set_scaler(struct fimc_ctx *ctx)
cfg |= S5P_CISCCTRL_INTERLACE;
}
+ writel(cfg, dev->regs + S5P_CISCCTRL);
+}
+
+void fimc_hw_set_mainscaler(struct fimc_ctx *ctx)
+{
+ struct fimc_dev *dev = ctx->fimc_dev;
+ struct samsung_fimc_variant *variant = dev->variant;
+ struct fimc_scaler *sc = &ctx->scaler;
+ u32 cfg;
+
dbg("main_hratio= 0x%X main_vratio= 0x%X",
sc->main_hratio, sc->main_vratio);
- cfg |= S5P_CISCCTRL_SC_HORRATIO(sc->main_hratio);
- cfg |= S5P_CISCCTRL_SC_VERRATIO(sc->main_vratio);
+ fimc_hw_set_scaler(ctx);
- writel(cfg, dev->regs + S5P_CISCCTRL);
+ cfg = readl(dev->regs + S5P_CISCCTRL);
+
+ if (variant->has_mainscaler_ext) {
+ cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
+ cfg |= S5P_CISCCTRL_MHRATIO_EXT(sc->main_hratio);
+ cfg |= S5P_CISCCTRL_MVRATIO_EXT(sc->main_vratio);
+ writel(cfg, dev->regs + S5P_CISCCTRL);
+
+ cfg = readl(dev->regs + S5P_CIEXTEN);
+
+ cfg &= ~(S5P_CIEXTEN_MVRATIO_EXT_MASK |
+ S5P_CIEXTEN_MHRATIO_EXT_MASK);
+ cfg |= S5P_CIEXTEN_MHRATIO_EXT(sc->main_hratio);
+ cfg |= S5P_CIEXTEN_MVRATIO_EXT(sc->main_vratio);
+ writel(cfg, dev->regs + S5P_CIEXTEN);
+ } else {
+ cfg &= ~(S5P_CISCCTRL_MHRATIO_MASK | S5P_CISCCTRL_MVRATIO_MASK);
+ cfg |= S5P_CISCCTRL_MHRATIO(sc->main_hratio);
+ cfg |= S5P_CISCCTRL_MVRATIO(sc->main_vratio);
+ writel(cfg, dev->regs + S5P_CISCCTRL);
+ }
}
void fimc_hw_en_capture(struct fimc_ctx *ctx)
@@ -410,41 +431,37 @@ 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
| S5P_MSCTRL_2P_IN_ORDER_MASK);
- cfg |= (S5P_MSCTRL_FRAME_COUNT(1) | S5P_MSCTRL_INPUT_MEMORY);
+ cfg |= (S5P_MSCTRL_IN_BURST_COUNT(4)
+ | S5P_MSCTRL_INPUT_MEMORY
+ | S5P_MSCTRL_FIFO_CTRL_FULL);
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_MSCTRL_INFORMAT_RGB;
break;
case S5P_FIMC_YCBCR420:
cfg |= S5P_MSCTRL_INFORMAT_YCBCR420;
- if (frame->fmt->planes_cnt == 2)
+ if (frame->fmt->colplanes == 2)
cfg |= ctx->in_order_2p | S5P_MSCTRL_C_INT_IN_2PLANE;
else
cfg |= S5P_MSCTRL_C_INT_IN_3PLANE;
break;
- case S5P_FIMC_YCBYCR422:
- case S5P_FIMC_YCRYCB422:
- case S5P_FIMC_CBYCRY422:
- case S5P_FIMC_CRYCBY422:
- if (frame->fmt->planes_cnt == 1) {
+ case S5P_FIMC_YCBYCR422...S5P_FIMC_CRYCBY422:
+ if (frame->fmt->colplanes == 1) {
cfg |= ctx->in_order_1p
| S5P_MSCTRL_INFORMAT_YCBCR422_1P;
} else {
cfg |= S5P_MSCTRL_INFORMAT_YCBCR422;
- if (frame->fmt->planes_cnt == 2)
+ if (frame->fmt->colplanes == 2)
cfg |= ctx->in_order_2p
| S5P_MSCTRL_C_INT_IN_2PLANE;
else
@@ -455,13 +472,6 @@ 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. */
@@ -532,7 +542,7 @@ void fimc_hw_set_output_addr(struct fimc_dev *dev,
}
int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
- struct s3c_fimc_isp_info *cam)
+ struct s5p_fimc_isp_info *cam)
{
u32 cfg = readl(fimc->regs + S5P_CIGCTRL);
@@ -557,41 +567,46 @@ int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
}
int fimc_hw_set_camera_source(struct fimc_dev *fimc,
- struct s3c_fimc_isp_info *cam)
+ struct s5p_fimc_isp_info *cam)
{
struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame;
u32 cfg = 0;
+ u32 bus_width;
+ int i;
+
+ static const struct {
+ u32 pixelcode;
+ u32 cisrcfmt;
+ u16 bus_width;
+ } pix_desc[] = {
+ { V4L2_MBUS_FMT_YUYV8_2X8, S5P_CISRCFMT_ORDER422_YCBYCR, 8 },
+ { V4L2_MBUS_FMT_YVYU8_2X8, S5P_CISRCFMT_ORDER422_YCRYCB, 8 },
+ { V4L2_MBUS_FMT_VYUY8_2X8, S5P_CISRCFMT_ORDER422_CRYCBY, 8 },
+ { V4L2_MBUS_FMT_UYVY8_2X8, S5P_CISRCFMT_ORDER422_CBYCRY, 8 },
+ /* TODO: Add pixel codes for 16-bit bus width */
+ };
if (cam->bus_type == FIMC_ITU_601 || cam->bus_type == FIMC_ITU_656) {
+ for (i = 0; i < ARRAY_SIZE(pix_desc); i++) {
+ if (fimc->vid_cap.fmt.code == pix_desc[i].pixelcode) {
+ cfg = pix_desc[i].cisrcfmt;
+ bus_width = pix_desc[i].bus_width;
+ break;
+ }
+ }
- switch (fimc->vid_cap.fmt.code) {
- case V4L2_MBUS_FMT_YUYV8_2X8:
- cfg = S5P_CISRCFMT_ORDER422_YCBYCR;
- break;
- case V4L2_MBUS_FMT_YVYU8_2X8:
- cfg = S5P_CISRCFMT_ORDER422_YCRYCB;
- break;
- case V4L2_MBUS_FMT_VYUY8_2X8:
- cfg = S5P_CISRCFMT_ORDER422_CRYCBY;
- break;
- case V4L2_MBUS_FMT_UYVY8_2X8:
- cfg = S5P_CISRCFMT_ORDER422_CBYCRY;
- break;
- default:
- err("camera image format not supported: %d",
- fimc->vid_cap.fmt.code);
+ if (i == ARRAY_SIZE(pix_desc)) {
+ v4l2_err(&fimc->vid_cap.v4l2_dev,
+ "Camera color format not supported: %d\n",
+ fimc->vid_cap.fmt.code);
return -EINVAL;
}
if (cam->bus_type == FIMC_ITU_601) {
- if (cam->bus_width == 8) {
+ if (bus_width == 8)
cfg |= S5P_CISRCFMT_ITU601_8BIT;
- } else if (cam->bus_width == 16) {
+ else if (bus_width == 16)
cfg |= S5P_CISRCFMT_ITU601_16BIT;
- } else {
- err("invalid bus width: %d", cam->bus_width);
- return -EINVAL;
- }
} /* else defaults to ITU-R BT.656 8-bit */
}
@@ -624,7 +639,7 @@ int fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f)
}
int fimc_hw_set_camera_type(struct fimc_dev *fimc,
- struct s3c_fimc_isp_info *cam)
+ struct s5p_fimc_isp_info *cam)
{
u32 cfg, tmp;
struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
@@ -650,10 +665,12 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc,
vid_cap->fmt.code);
return -EINVAL;
}
- writel(tmp | (0x1 << 8), fimc->regs + S5P_CSIIMGFMT);
+ tmp |= (cam->csi_data_align == 32) << 8;
+
+ writel(tmp, fimc->regs + S5P_CSIIMGFMT);
} else if (cam->bus_type == FIMC_ITU_601 ||
- cam->bus_type == FIMC_ITU_656) {
+ cam->bus_type == FIMC_ITU_656) {
if (cam->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */
cfg |= S5P_CIGCTRL_SELCAM_ITU_A;
} else if (cam->bus_type == FIMC_LCD_WB) {