Fixed errors on module unload, comments and whitespace cleanup.
Removed workqueue since it was only useful for FIFO output mode
which is not supported at this time.
Fixed 90/270 deg rotation errors (driver performing 270 deg rotation
instead of 90 in some conditions).
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/video/s5p-fimc/fimc-core.c | 151 +++++++++++-------------------
drivers/media/video/s5p-fimc/fimc-core.h | 132 ++++++++++++++------------
drivers/media/video/s5p-fimc/fimc-reg.c | 27 +++---
3 files changed, 142 insertions(+), 168 deletions(-)
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 6961c55..fe46aea 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -117,7 +117,7 @@ static struct fimc_fmt fimc_formats[] = {
.buff_cnt = 1,
.planes_cnt = 2
}
- };
+};
static struct v4l2_queryctrl fimc_ctrls[] = {
{
@@ -127,16 +127,14 @@ static struct v4l2_queryctrl fimc_ctrls[] = {
.minimum = 0,
.maximum = 1,
.default_value = 0,
- },
- {
+ }, {
.id = V4L2_CID_VFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Vertical flip",
.minimum = 0,
.maximum = 1,
.default_value = 0,
- },
- {
+ }, {
.id = V4L2_CID_ROTATE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Rotation (CCW)",
@@ -181,28 +179,23 @@ static int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f)
static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
{
- if (src >= tar * 64) {
+ u32 sh = 6;
+
+ if (src >= 64 * tar)
return -EINVAL;
- } else if (src >= tar * 32) {
- *ratio = 32;
- *shift = 5;
- } else if (src >= tar * 16) {
- *ratio = 16;
- *shift = 4;
- } else if (src >= tar * 8) {
- *ratio = 8;
- *shift = 3;
- } else if (src >= tar * 4) {
- *ratio = 4;
- *shift = 2;
- } else if (src >= tar * 2) {
- *ratio = 2;
- *shift = 1;
- } else {
- *ratio = 1;
- *shift = 0;
+
+ while (sh--) {
+ u32 tmp = 1 << sh;
+ if (src >= tar * tmp) {
+ *shift = sh, *ratio = tmp;
+ return 0;
+ }
}
+ *shift = 0, *ratio = 1;
+
+ dbg("s: %d, t: %d, shift: %d, ratio: %d",
+ src, tar, *shift, *ratio);
return 0;
}
@@ -265,8 +258,8 @@ static int fimc_set_scaler_info(struct fimc_ctx *ctx)
static irqreturn_t fimc_isr(int irq, void *priv)
{
struct fimc_vid_buffer *src_buf, *dst_buf;
- struct fimc_dev *fimc = (struct fimc_dev *)priv;
struct fimc_ctx *ctx;
+ struct fimc_dev *fimc = priv;
BUG_ON(!fimc);
fimc_hw_clear_irq(fimc);
@@ -281,7 +274,7 @@ static irqreturn_t fimc_isr(int irq, void *priv)
dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
if (src_buf && dst_buf) {
spin_lock(&fimc->irqlock);
- src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
+ src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
wake_up(&src_buf->vb.done);
wake_up(&dst_buf->vb.done);
spin_unlock(&fimc->irqlock);
@@ -295,20 +288,13 @@ isr_unlock:
}
/* The color format (planes_cnt, buff_cnt) must be already configured. */
-static int fimc_prepare_addr(struct fimc_ctx *ctx,
- struct fimc_vid_buffer *buf, enum v4l2_buf_type type)
+int fimc_prepare_addr(struct fimc_ctx *ctx, struct fimc_vid_buffer *buf,
+ struct fimc_frame *frame, struct fimc_addr *paddr)
{
- struct fimc_frame *frame;
- struct fimc_addr *paddr;
- u32 pix_size;
int ret = 0;
+ u32 pix_size;
- frame = ctx_m2m_get_frame(ctx, type);
- if (IS_ERR(frame))
- return PTR_ERR(frame);
- paddr = &frame->paddr;
-
- if (!buf)
+ if (buf == NULL || frame == NULL)
return -EINVAL;
pix_size = frame->width * frame->height;
@@ -344,8 +330,8 @@ static int fimc_prepare_addr(struct fimc_ctx *ctx,
}
}
- dbg("PHYS_ADDR: type= %d, y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
- type, paddr->y, paddr->cb, paddr->cr, ret);
+ dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
+ paddr->y, paddr->cb, paddr->cr, ret);
return ret;
}
@@ -466,16 +452,14 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
if (flags & FIMC_SRC_ADDR) {
buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
- ret = fimc_prepare_addr(ctx, buf,
- V4L2_BUF_TYPE_VIDEO_OUTPUT);
+ ret = fimc_prepare_addr(ctx, buf, s_frame, &s_frame->paddr);
if (ret)
return ret;
}
if (flags & FIMC_DST_ADDR) {
buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
- ret = fimc_prepare_addr(ctx, buf,
- V4L2_BUF_TYPE_VIDEO_CAPTURE);
+ ret = fimc_prepare_addr(ctx, buf, d_frame, &d_frame->paddr);
}
return ret;
@@ -499,12 +483,14 @@ static void fimc_dma_run(void *priv)
ctx->state |= (FIMC_SRC_ADDR | FIMC_DST_ADDR);
ret = fimc_prepare_config(ctx, ctx->state);
if (ret) {
- err("general configuration error");
+ err("Wrong parameters");
goto dma_unlock;
}
-
- if (fimc->m2m.ctx != ctx)
+ /* Reconfigure hardware if the context has changed. */
+ if (fimc->m2m.ctx != ctx) {
ctx->state |= FIMC_PARAMS;
+ fimc->m2m.ctx = ctx;
+ }
fimc_hw_set_input_addr(fimc, &ctx->s_frame.paddr);
@@ -512,10 +498,9 @@ static void fimc_dma_run(void *priv)
fimc_hw_set_input_path(ctx);
fimc_hw_set_in_dma(ctx);
if (fimc_set_scaler_info(ctx)) {
- err("scaler configuration error");
+ err("Scaler setup error");
goto dma_unlock;
}
- fimc_hw_set_prescaler(ctx);
fimc_hw_set_scaler(ctx);
fimc_hw_set_target_format(ctx);
fimc_hw_set_rotation(ctx);
@@ -524,19 +509,15 @@ static void fimc_dma_run(void *priv)
fimc_hw_set_output_path(ctx);
if (ctx->state & (FIMC_DST_ADDR | FIMC_PARAMS))
- fimc_hw_set_output_addr(fimc, &ctx->d_frame.paddr);
+ fimc_hw_set_output_addr(fimc, &ctx->d_frame.paddr, -1);
if (ctx->state & FIMC_PARAMS)
fimc_hw_set_out_dma(ctx);
- if (ctx->scaler.enabled)
- fimc_hw_start_scaler(fimc);
- fimc_hw_en_capture(ctx);
-
ctx->state = 0;
- fimc_hw_start_in_dma(fimc);
+ fimc_activate_capture(ctx);
- fimc->m2m.ctx = ctx;
+ fimc_hw_activate_input_dma(fimc, true);
dma_unlock:
spin_unlock_irqrestore(&ctx->slock, flags);
@@ -560,7 +541,7 @@ static int fimc_buf_setup(struct videobuf_queue *vq, unsigned int *count,
struct fimc_ctx *ctx = vq->priv_data;
struct fimc_frame *frame;
- frame = ctx_m2m_get_frame(ctx, vq->type);
+ frame = ctx_get_frame(ctx, vq->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
@@ -578,7 +559,7 @@ static int fimc_buf_prepare(struct videobuf_queue *vq,
struct fimc_frame *frame;
int ret;
- frame = ctx_m2m_get_frame(ctx, vq->type);
+ frame = ctx_get_frame(ctx, vq->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
@@ -663,7 +644,7 @@ static int fimc_m2m_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
struct fimc_ctx *ctx = priv;
struct fimc_frame *frame;
- frame = ctx_m2m_get_frame(ctx, f->type);
+ frame = ctx_get_frame(ctx, f->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
@@ -999,7 +980,7 @@ static int fimc_m2m_cropcap(struct file *file, void *fh,
struct fimc_frame *frame;
struct fimc_ctx *ctx = fh;
- frame = ctx_m2m_get_frame(ctx, cr->type);
+ frame = ctx_get_frame(ctx, cr->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
@@ -1019,7 +1000,7 @@ static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr)
struct fimc_frame *frame;
struct fimc_ctx *ctx = file->private_data;
- frame = ctx_m2m_get_frame(ctx, cr->type);
+ frame = ctx_get_frame(ctx, cr->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
@@ -1052,7 +1033,7 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr)
return -EINVAL;
}
- f = ctx_m2m_get_frame(ctx, cr->type);
+ f = ctx_get_frame(ctx, cr->type);
if (IS_ERR(f))
return PTR_ERR(f);
@@ -1136,7 +1117,7 @@ static void queue_init(void *priv, struct videobuf_queue *vq,
struct fimc_dev *fimc = ctx->fimc_dev;
videobuf_queue_dma_contig_init(vq, &fimc_qops,
- fimc->m2m.v4l2_dev.dev,
+ &fimc->pdev->dev,
&fimc->irqlock, type, V4L2_FIELD_NONE,
sizeof(struct fimc_vid_buffer), priv);
}
@@ -1159,13 +1140,12 @@ static int fimc_m2m_open(struct file *file)
file->private_data = ctx;
ctx->fimc_dev = fimc;
- /* default format */
+ /* Default color format */
ctx->s_frame.fmt = &fimc_formats[0];
ctx->d_frame.fmt = &fimc_formats[0];
/* per user process device context initialization */
ctx->state = 0;
ctx->flags = 0;
- ctx->effect.type = S5P_FIMC_EFFECT_ORIGINAL;
ctx->in_path = FIMC_DMA;
ctx->out_path = FIMC_DMA;
spin_lock_init(&ctx->slock);
@@ -1241,7 +1221,7 @@ static int fimc_register_m2m_device(struct fimc_dev *fimc)
ret = v4l2_device_register(&pdev->dev, v4l2_dev);
if (ret)
- return ret;;
+ goto err_m2m_r1;
vfd = video_device_alloc();
if (!vfd) {
@@ -1293,7 +1273,7 @@ static void fimc_unregister_m2m_device(struct fimc_dev *fimc)
if (fimc) {
v4l2_m2m_release(fimc->m2m.m2m_dev);
video_unregister_device(fimc->m2m.vfd);
- video_device_release(fimc->m2m.vfd);
+
v4l2_device_unregister(&fimc->m2m.v4l2_dev);
}
}
@@ -1399,25 +1379,15 @@ static int fimc_probe(struct platform_device *pdev)
goto err_clk;
}
- fimc->work_queue = create_workqueue(dev_name(&fimc->pdev->dev));
- if (!fimc->work_queue) {
- ret = -ENOMEM;
- goto err_irq;
- }
-
ret = fimc_register_m2m_device(fimc);
if (ret)
- goto err_wq;
-
- fimc_hw_en_lastirq(fimc, true);
+ goto err_irq;
dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n",
__func__, fimc->id);
return 0;
-err_wq:
- destroy_workqueue(fimc->work_queue);
err_irq:
free_irq(fimc->irq, fimc);
err_clk:
@@ -1429,7 +1399,7 @@ err_req_region:
kfree(fimc->regs_res);
err_info:
kfree(fimc);
- dev_err(&pdev->dev, "failed to install\n");
+
return ret;
}
@@ -1438,10 +1408,7 @@ static int __devexit fimc_remove(struct platform_device *pdev)
struct fimc_dev *fimc =
(struct fimc_dev *)platform_get_drvdata(pdev);
- v4l2_info(&fimc->m2m.v4l2_dev, "Removing %s\n", pdev->name);
-
free_irq(fimc->irq, fimc);
-
fimc_hw_reset(fimc);
fimc_unregister_m2m_device(fimc);
@@ -1450,6 +1417,8 @@ static int __devexit fimc_remove(struct platform_device *pdev)
release_resource(fimc->regs_res);
kfree(fimc->regs_res);
kfree(fimc);
+
+ dev_info(&pdev->dev, "%s driver unloaded\n", pdev->name);
return 0;
}
@@ -1484,7 +1453,7 @@ static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
.has_inp_rot = 1,
.has_out_rot = 1,
.min_inp_pixsize = 16,
- .min_out_pixsize = 32,
+ .min_out_pixsize = 16,
.scaler_en_w = 4224,
.scaler_dis_w = 8192,
@@ -1497,7 +1466,7 @@ static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
.pix_hoff = 1,
.min_inp_pixsize = 16,
- .min_out_pixsize = 32,
+ .min_out_pixsize = 16,
.scaler_en_w = 1920,
.scaler_dis_w = 8192,
@@ -1547,20 +1516,12 @@ static struct platform_driver fimc_driver = {
}
};
-static char banner[] __initdata = KERN_INFO
- "S5PC Camera Interface V4L2 Driver, (c) 2010 Samsung Electronics\n";
-
static int __init fimc_init(void)
{
- u32 ret;
- printk(banner);
-
- ret = platform_driver_register(&fimc_driver);
- if (ret) {
- printk(KERN_ERR "FIMC platform driver register failed\n");
- return -1;
- }
- return 0;
+ int ret = platform_driver_register(&fimc_driver);
+ if (ret)
+ err("platform_driver_register failed: %d\n", ret);
+ return ret;
}
static void __exit fimc_exit(void)
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index 6b3e0cd..5aeb3ef 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -34,6 +34,7 @@
#define FIMC_MAX_OUT_BUFS 4
#define SCALER_MAX_HRATIO 64
#define SCALER_MAX_VRATIO 64
+#define DMA_MIN_SIZE 8
enum {
ST_IDLE,
@@ -54,21 +55,21 @@ enum fimc_datapath {
};
enum fimc_color_fmt {
- S5P_FIMC_RGB565,
+ S5P_FIMC_RGB565 = 0x10,
S5P_FIMC_RGB666,
S5P_FIMC_RGB888,
- S5P_FIMC_YCBCR420,
+ S5P_FIMC_RGB30_LOCAL,
+ S5P_FIMC_YCBCR420 = 0x20,
S5P_FIMC_YCBCR422,
S5P_FIMC_YCBYCR422,
S5P_FIMC_YCRYCB422,
S5P_FIMC_CBYCRY422,
S5P_FIMC_CRYCBY422,
- S5P_FIMC_RGB30_LOCAL,
S5P_FIMC_YCBCR444_LOCAL,
- S5P_FIMC_MAX_COLOR = S5P_FIMC_YCBCR444_LOCAL,
- S5P_FIMC_COLOR_MASK = 0x0F,
};
+#define fimc_fmt_is_rgb(x) ((x) & 0x10)
+
/* Y/Cb/Cr components order at DMA output for 1 plane YCbCr 4:2:2 formats. */
#define S5P_FIMC_OUT_CRYCBY S5P_CIOCTRL_ORDER422_CRYCBY
#define S5P_FIMC_OUT_CBYCRY S5P_CIOCTRL_ORDER422_YCRYCB
@@ -93,11 +94,13 @@ enum fimc_color_fmt {
#define S5P_FIMC_EFFECT_SIKHOUETTE S5P_CIIMGEFF_FIN_SILHOUETTE
/* The hardware context state. */
-#define FIMC_PARAMS (1 << 0)
-#define FIMC_SRC_ADDR (1 << 1)
-#define FIMC_DST_ADDR (1 << 2)
-#define FIMC_SRC_FMT (1 << 3)
-#define FIMC_DST_FMT (1 << 4)
+#define FIMC_PARAMS (1 << 0)
+#define FIMC_SRC_ADDR (1 << 1)
+#define FIMC_DST_ADDR (1 << 2)
+#define FIMC_SRC_FMT (1 << 3)
+#define FIMC_DST_FMT (1 << 4)
+#define FIMC_CTX_M2M (1 << 5)
+#define FIMC_CTX_CAP (1 << 6)
/* Image conversion flags */
#define FIMC_IN_DMA_ACCESS_TILED (1 << 0)
@@ -106,7 +109,9 @@ enum fimc_color_fmt {
#define FIMC_OUT_DMA_ACCESS_LINEAR (0 << 1)
#define FIMC_SCAN_MODE_PROGRESSIVE (0 << 2)
#define FIMC_SCAN_MODE_INTERLACED (1 << 2)
-/* YCbCr data dynamic range for RGB-YUV color conversion. Y/Cb/Cr: (0 ~ 255) */
+/*
+ * YCbCr data dynamic range for RGB-YUV color conversion.
+ * Y/Cb/Cr: (0 ~ 255) */
#define FIMC_COLOR_RANGE_WIDE (0 << 3)
/* Y (16 ~ 235), Cb/Cr (16 ~ 240) */
#define FIMC_COLOR_RANGE_NARROW (1 << 3)
@@ -167,37 +172,37 @@ struct fimc_effect {
/**
* struct fimc_scaler - the configuration data for FIMC inetrnal scaler
*
- * @enabled: the flag set when the scaler is used
+ * @scaleup_h: flag indicating scaling up horizontally
+ * @scaleup_v: flag indicating scaling up vertically
+ * @copy_mode: flag indicating transparent DMA transfer (no scaling
+ * and color format conversion)
+ * @enabled: flag indicating if the scaler is used
* @hfactor: horizontal shift factor
* @vfactor: vertical shift factor
* @pre_hratio: horizontal ratio of the prescaler
* @pre_vratio: vertical ratio of the prescaler
* @pre_dst_width: the prescaler's destination width
* @pre_dst_height: the prescaler's destination height
- * @scaleup_h: flag indicating scaling up horizontally
- * @scaleup_v: flag indicating scaling up vertically
* @main_hratio: the main scaler's horizontal ratio
* @main_vratio: the main scaler's vertical ratio
- * @real_width: source width - offset
- * @real_height: source height - offset
- * @copy_mode: flag set if one-to-one mode is used, i.e. no scaling
- * and color format conversion
+ * @real_width: source pixel (width - offset)
+ * @real_height: source pixel (height - offset)
*/
struct fimc_scaler {
- u32 enabled;
+ int scaleup_h:1;
+ int scaleup_v:1;
+ int copy_mode:1;
+ int enabled:1;
u32 hfactor;
u32 vfactor;
u32 pre_hratio;
u32 pre_vratio;
u32 pre_dst_width;
u32 pre_dst_height;
- u32 scaleup_h;
- u32 scaleup_v;
u32 main_hratio;
u32 main_vratio;
u32 real_width;
u32 real_height;
- u32 copy_mode;
};
/**
@@ -222,8 +227,7 @@ struct fimc_vid_buffer {
};
/**
- * struct fimc_frame - input/output frame format properties
- *
+ * struct fimc_frame - source/target frame properties
* @f_width: image full width (virtual screen size)
* @f_height: image full height (virtual screen size)
* @o_width: original image width as set by S_FMT
@@ -279,10 +283,10 @@ struct fimc_m2m_device {
* @min_out_pixsize: minimum output pixel size
* @scaler_en_w: maximum input pixel width when the scaler is enabled
* @scaler_dis_w: maximum input pixel width when the scaler is disabled
- * @in_rot_en_h: maximum input width when the input rotator is used
- * @in_rot_dis_w: maximum input width when the input rotator is used
- * @out_rot_en_w: maximum output width for the output rotator enabled
- * @out_rot_dis_w: maximum output width for the output rotator enabled
+ * @in_rot_en_h: maximum input width when the input rotator is enabled
+ * @in_rot_dis_w: maximum input width when the input rotator is disabled
+ * @out_rot_en_w: maximum target width when the output rotator enabled
+ * @out_rot_dis_w: maximum target width when the output rotator disnabled
*/
struct samsung_fimc_variant {
unsigned int pix_hoff:1;
@@ -300,7 +304,7 @@ struct samsung_fimc_variant {
};
/**
- * struct samsung_fimc_driverdata - per-device type driver data for init time.
+ * struct samsung_fimc_driverdata - per device type driver data for init time.
*
* @variant: the variant information for this driver.
* @dev_cnt: number of fimc sub-devices available in SoC
@@ -313,7 +317,7 @@ struct samsung_fimc_driverdata {
struct fimc_ctx;
/**
- * struct fimc_subdev - abstraction for a FIMC entity
+ * struct fimc_dev - abstraction for FIMC entity
*
* @slock: the spinlock protecting this data structure
* @lock: the mutex protecting this data structure
@@ -323,7 +327,7 @@ struct fimc_ctx;
* @regs: the mapped hardware registers
* @regs_res: the resource claimed for IO registers
* @irq: interrupt number of the FIMC subdevice
- * @irqlock: spinlock protecting videbuffer queue
+ * @irqlock: spinlock protecting videobuffer queue
* @m2m: memory-to-memory V4L2 device information
* @state: the FIMC device state flags
*/
@@ -338,7 +342,6 @@ struct fimc_dev {
struct resource *regs_res;
int irq;
spinlock_t irqlock;
- struct workqueue_struct *work_queue;
struct fimc_m2m_device m2m;
unsigned long state;
};
@@ -359,7 +362,7 @@ struct fimc_dev {
* @effect: image effect
* @rotation: image clockwise rotation in degrees
* @flip: image flip mode
- * @flags: an additional flags for image conversion
+ * @flags: additional flags for image conversion
* @state: flags to keep track of user configuration
* @fimc_dev: the FIMC device this context applies to
* @m2m_ctx: memory-to-memory device context
@@ -397,18 +400,24 @@ static inline void fimc_hw_clear_irq(struct fimc_dev *dev)
writel(cfg, dev->regs + S5P_CIGCTRL);
}
-static inline void fimc_hw_start_scaler(struct fimc_dev *dev)
+static inline void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on)
{
u32 cfg = readl(dev->regs + S5P_CISCCTRL);
- cfg |= S5P_CISCCTRL_SCALERSTART;
+ if (on)
+ cfg |= S5P_CISCCTRL_SCALERSTART;
+ else
+ cfg &= ~S5P_CISCCTRL_SCALERSTART;
writel(cfg, dev->regs + S5P_CISCCTRL);
}
-static inline void fimc_hw_stop_scaler(struct fimc_dev *dev)
+static inline void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on)
{
- u32 cfg = readl(dev->regs + S5P_CISCCTRL);
- cfg &= ~S5P_CISCCTRL_SCALERSTART;
- writel(cfg, dev->regs + S5P_CISCCTRL);
+ u32 cfg = readl(dev->regs + S5P_MSCTRL);
+ if (on)
+ cfg |= S5P_MSCTRL_ENVID;
+ else
+ cfg &= ~S5P_MSCTRL_ENVID;
+ writel(cfg, dev->regs + S5P_MSCTRL);
}
static inline void fimc_hw_dis_capture(struct fimc_dev *dev)
@@ -418,22 +427,8 @@ static inline void fimc_hw_dis_capture(struct fimc_dev *dev)
writel(cfg, dev->regs + S5P_CIIMGCPT);
}
-static inline void fimc_hw_start_in_dma(struct fimc_dev *dev)
-{
- u32 cfg = readl(dev->regs + S5P_MSCTRL);
- cfg |= S5P_MSCTRL_ENVID;
- writel(cfg, dev->regs + S5P_MSCTRL);
-}
-
-static inline void fimc_hw_stop_in_dma(struct fimc_dev *dev)
-{
- u32 cfg = readl(dev->regs + S5P_MSCTRL);
- cfg &= ~S5P_MSCTRL_ENVID;
- writel(cfg, dev->regs + S5P_MSCTRL);
-}
-
-static inline struct fimc_frame *ctx_m2m_get_frame(struct fimc_ctx *ctx,
- enum v4l2_buf_type type)
+static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx,
+ enum v4l2_buf_type type)
{
struct fimc_frame *frame;
@@ -452,20 +447,35 @@ static inline struct fimc_frame *ctx_m2m_get_frame(struct fimc_ctx *ctx,
/* -----------------------------------------------------*/
/* fimc-reg.c */
-void fimc_hw_reset(struct fimc_dev *dev);
+void fimc_hw_reset(struct fimc_dev *fimc);
void fimc_hw_set_rotation(struct fimc_ctx *ctx);
void fimc_hw_set_target_format(struct fimc_ctx *ctx);
void fimc_hw_set_out_dma(struct fimc_ctx *ctx);
-void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable);
-void fimc_hw_en_irq(struct fimc_dev *dev, int enable);
-void fimc_hw_set_prescaler(struct fimc_ctx *ctx);
+void fimc_hw_en_lastirq(struct fimc_dev *fimc, int enable);
+void fimc_hw_en_irq(struct fimc_dev *fimc, int enable);
void fimc_hw_set_scaler(struct fimc_ctx *ctx);
void fimc_hw_en_capture(struct fimc_ctx *ctx);
void fimc_hw_set_effect(struct fimc_ctx *ctx);
void fimc_hw_set_in_dma(struct fimc_ctx *ctx);
void fimc_hw_set_input_path(struct fimc_ctx *ctx);
void fimc_hw_set_output_path(struct fimc_ctx *ctx);
-void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr);
-void fimc_hw_set_output_addr(struct fimc_dev *dev, struct fimc_addr *paddr);
+void fimc_hw_set_input_addr(struct fimc_dev *fimc, struct fimc_addr *paddr);
+void fimc_hw_set_output_addr(struct fimc_dev *fimc, struct fimc_addr *paddr,
+ int index);
+
+/* Locking: the caller holds fimc->slock */
+static inline void fimc_activate_capture(struct fimc_ctx *ctx)
+{
+ fimc_hw_enable_scaler(ctx->fimc_dev, ctx->scaler.enabled);
+ fimc_hw_en_capture(ctx);
+}
+
+static inline void fimc_deactivate_capture(struct fimc_dev *fimc)
+{
+ fimc_hw_en_lastirq(fimc, true);
+ fimc_hw_dis_capture(fimc);
+ fimc_hw_enable_scaler(fimc, false);
+ fimc_hw_en_lastirq(fimc, false);
+}
#endif /* FIMC_CORE_H_ */
diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 70f29c5..13d4796 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);
+ usleep_range(1000, 5000);
cfg = readl(dev->regs + S5P_CIGCTRL);
cfg &= ~S5P_CIGCTRL_SWRST;
@@ -43,7 +43,8 @@ void fimc_hw_set_rotation(struct fimc_ctx *ctx)
struct fimc_dev *dev = ctx->fimc_dev;
cfg = readl(dev->regs + S5P_CITRGFMT);
- cfg &= ~(S5P_CITRGFMT_INROT90 | S5P_CITRGFMT_OUTROT90);
+ cfg &= ~(S5P_CITRGFMT_INROT90 | S5P_CITRGFMT_OUTROT90 |
+ S5P_CITRGFMT_FLIP_180);
flip = readl(dev->regs + S5P_MSCTRL);
flip &= ~S5P_MSCTRL_FLIP_MASK;
@@ -247,7 +248,7 @@ 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;
@@ -274,6 +275,8 @@ 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);
@@ -400,7 +403,7 @@ void fimc_hw_set_in_dma(struct fimc_ctx *ctx)
/* 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 +504,7 @@ 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 +516,15 @@ 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);
}
--
1.7.3
--
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