| Message ID | 20240106160221.4183409-3-paul.elder@ideasonboard.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v5,01/10] media: rkisp1: Add and use rkisp1_has_feature() macro | expand |
On 06/01/2024 18:02, Paul Elder wrote: > Some versions of the ISP supported by the rkisp1 driver, such as the ISP > in the i.MX8MP, implement configurable memory stride for the main path > the same way as already implemented by the driver for the self path. > Support this feature by adding a main stride feature flag and program > the corresponding registers accordingly. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> > Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> > Tested-by: Adam Ford <aford173@gmail.com> > --- > Changes since v3: > > - Implement memory stride support > - Squash patch that adds register bits definitions > - Reword the commit message > > Changes since v2: > > - Document the RKISP1_FEATURE_MAIN_STRIDE bit > - Use the rkisp1_has_feature() macro > --- > .../platform/rockchip/rkisp1/rkisp1-capture.c | 34 ++++++++++++------- > .../platform/rockchip/rkisp1/rkisp1-common.h | 6 ++-- > .../platform/rockchip/rkisp1/rkisp1-regs.h | 27 +++++++++++++++ > 3 files changed, 52 insertions(+), 15 deletions(-) Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Tomi > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c > index c381c22135a2..83a968487f24 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c > @@ -442,6 +442,14 @@ static void rkisp1_mp_config(struct rkisp1_capture *cap) > rkisp1_write(rkisp1, cap->config->mi.cr_size_init, > rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CR)); > > + if (rkisp1_has_feature(rkisp1, MAIN_STRIDE)) { > + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_LLENGTH, cap->stride); > + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_PIC_WIDTH, pixm->width); > + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_PIC_HEIGHT, pixm->height); > + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_PIC_SIZE, > + cap->stride * pixm->height); > + } > + > rkisp1_irq_frame_end_enable(cap); > > /* set uv swapping for semiplanar formats */ > @@ -479,11 +487,11 @@ static void rkisp1_sp_config(struct rkisp1_capture *cap) > rkisp1_write(rkisp1, cap->config->mi.cr_size_init, > rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CR)); > > - rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_LLENGTH, cap->sp_y_stride); > + rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_LLENGTH, cap->stride); > rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_PIC_WIDTH, pixm->width); > rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_PIC_HEIGHT, pixm->height); > rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_PIC_SIZE, > - cap->sp_y_stride * pixm->height); > + cap->stride * pixm->height); > > rkisp1_irq_frame_end_enable(cap); > > @@ -1095,8 +1103,8 @@ static const struct vb2_ops rkisp1_vb2_ops = { > */ > > static const struct v4l2_format_info * > -rkisp1_fill_pixfmt(struct v4l2_pix_format_mplane *pixm, > - enum rkisp1_stream_id id) > +rkisp1_fill_pixfmt(const struct rkisp1_capture *cap, > + struct v4l2_pix_format_mplane *pixm) > { > struct v4l2_plane_pix_format *plane_y = &pixm->plane_fmt[0]; > const struct v4l2_format_info *info; > @@ -1109,10 +1117,13 @@ rkisp1_fill_pixfmt(struct v4l2_pix_format_mplane *pixm, > > /* > * The SP supports custom strides, expressed as a number of pixels for > - * the Y plane. Clamp the stride to a reasonable value to avoid integer > - * overflows when calculating the bytesperline and sizeimage values. > + * the Y plane, and so does the MP in ISP versions that have the > + * MAIN_STRIDE feature. Clamp the stride to a reasonable value to avoid > + * integer overflows when calculating the bytesperline and sizeimage > + * values. > */ > - if (id == RKISP1_SELFPATH) > + if (cap->id == RKISP1_SELFPATH || > + rkisp1_has_feature(cap->rkisp1, MAIN_STRIDE)) > stride = clamp(DIV_ROUND_UP(plane_y->bytesperline, info->bpp[0]), > pixm->width, 65536U); > else > @@ -1187,7 +1198,7 @@ static void rkisp1_try_fmt(const struct rkisp1_capture *cap, > pixm->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; > pixm->quantization = V4L2_QUANTIZATION_DEFAULT; > > - info = rkisp1_fill_pixfmt(pixm, cap->id); > + info = rkisp1_fill_pixfmt(cap, pixm); > > if (fmt_cfg) > *fmt_cfg = fmt; > @@ -1199,12 +1210,9 @@ static void rkisp1_set_fmt(struct rkisp1_capture *cap, > struct v4l2_pix_format_mplane *pixm) > { > rkisp1_try_fmt(cap, pixm, &cap->pix.cfg, &cap->pix.info); > - cap->pix.fmt = *pixm; > > - /* SP supports custom stride in number of pixels of the Y plane */ > - if (cap->id == RKISP1_SELFPATH) > - cap->sp_y_stride = pixm->plane_fmt[0].bytesperline / > - cap->pix.info->bpp[0]; > + cap->pix.fmt = *pixm; > + cap->stride = pixm->plane_fmt[0].bytesperline / cap->pix.info->bpp[0]; > } > > static int rkisp1_try_fmt_vid_cap_mplane(struct file *file, void *fh, > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > index be6cb42776b0..6a811b7ef1b9 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > @@ -110,6 +110,7 @@ enum rkisp1_isp_pad { > * enum rkisp1_feature - ISP features > * > * @RKISP1_FEATURE_MIPI_CSI2: The ISP has an internal MIPI CSI-2 receiver > + * @RKISP1_FEATURE_MAIN_STRIDE: The ISP supports configurable stride on the main path > * > * The ISP features are stored in a bitmask in &rkisp1_info.features and allow > * the driver to implement support for features present in some ISP versions > @@ -117,6 +118,7 @@ enum rkisp1_isp_pad { > */ > enum rkisp1_feature { > RKISP1_FEATURE_MIPI_CSI2 = BIT(0), > + RKISP1_FEATURE_MAIN_STRIDE = BIT(1), > }; > > #define rkisp1_has_feature(rkisp1, feature) \ > @@ -266,7 +268,7 @@ struct rkisp1_device; > * handler to stop the streaming by waiting on the 'done' wait queue. > * If the irq handler is not called, the stream is stopped by the callback > * after timeout. > - * @sp_y_stride: the selfpath allows to configure a y stride that is longer than the image width. > + * @stride: the line stride for the first plane, in pixel units > * @buf.lock: lock to protect buf.queue > * @buf.queue: queued buffer list > * @buf.dummy: dummy space to store dropped data > @@ -287,7 +289,7 @@ struct rkisp1_capture { > bool is_streaming; > bool is_stopping; > wait_queue_head_t done; > - unsigned int sp_y_stride; > + unsigned int stride; > struct { > /* protects queue, curr and next */ > spinlock_t lock; > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h > index bea69a0d766a..3b19c8411360 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h > @@ -207,6 +207,24 @@ > #define RKISP1_CIF_MI_XTD_FMT_CTRL_SP_CB_CR_SWAP BIT(1) > #define RKISP1_CIF_MI_XTD_FMT_CTRL_DMA_CB_CR_SWAP BIT(2) > > +/* MI_OUTPUT_ALIGN_FORMAT */ > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_LSB_ALIGNMENT BIT(0) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_BYTES BIT(1) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_WORDS BIT(2) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_DWORDS BIT(3) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_BYTES BIT(4) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_WORDS BIT(5) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_DWORDS BIT(6) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_DMA_BYTE_SWAP_BYTES BIT(7) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_DMA_BYTE_SWAP_WORDS BIT(8) > +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_DMA_BYTE_SWAP_DWORDS BIT(9) > + > +/* MI_MP_OUTPUT_FIFO_SIZE */ > +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_FULL (0 << 0) > +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_HALF (1 << 0) > +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_QUARTER (2 << 0) > +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_EIGHT (3 << 0) > + > /* VI_CCL */ > #define RKISP1_CIF_CCL_CIF_CLK_DIS BIT(2) > /* VI_ISP_CLK_CTRL */ > @@ -1000,6 +1018,15 @@ > #define RKISP1_CIF_MI_SP_CB_BASE_AD_INIT2 (RKISP1_CIF_MI_BASE + 0x00000140) > #define RKISP1_CIF_MI_SP_CR_BASE_AD_INIT2 (RKISP1_CIF_MI_BASE + 0x00000144) > #define RKISP1_CIF_MI_XTD_FORMAT_CTRL (RKISP1_CIF_MI_BASE + 0x00000148) > +#define RKISP1_CIF_MI_MP_HANDSHAKE_0 (RKISP1_CIF_MI_BASE + 0x0000014C) > +#define RKISP1_CIF_MI_MP_Y_LLENGTH (RKISP1_CIF_MI_BASE + 0x00000150) > +#define RKISP1_CIF_MI_MP_Y_SLICE_OFFSET (RKISP1_CIF_MI_BASE + 0x00000154) > +#define RKISP1_CIF_MI_MP_C_SLICE_OFFSET (RKISP1_CIF_MI_BASE + 0x00000158) > +#define RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT (RKISP1_CIF_MI_BASE + 0x0000015C) > +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE (RKISP1_CIF_MI_BASE + 0x00000160) > +#define RKISP1_CIF_MI_MP_Y_PIC_WIDTH (RKISP1_CIF_MI_BASE + 0x00000164) > +#define RKISP1_CIF_MI_MP_Y_PIC_HEIGHT (RKISP1_CIF_MI_BASE + 0x00000168) > +#define RKISP1_CIF_MI_MP_Y_PIC_SIZE (RKISP1_CIF_MI_BASE + 0x0000016C) > > #define RKISP1_CIF_SMIA_BASE 0x00001a00 > #define RKISP1_CIF_SMIA_CTRL (RKISP1_CIF_SMIA_BASE + 0x00000000)
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c index c381c22135a2..83a968487f24 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c @@ -442,6 +442,14 @@ static void rkisp1_mp_config(struct rkisp1_capture *cap) rkisp1_write(rkisp1, cap->config->mi.cr_size_init, rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CR)); + if (rkisp1_has_feature(rkisp1, MAIN_STRIDE)) { + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_LLENGTH, cap->stride); + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_PIC_WIDTH, pixm->width); + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_PIC_HEIGHT, pixm->height); + rkisp1_write(rkisp1, RKISP1_CIF_MI_MP_Y_PIC_SIZE, + cap->stride * pixm->height); + } + rkisp1_irq_frame_end_enable(cap); /* set uv swapping for semiplanar formats */ @@ -479,11 +487,11 @@ static void rkisp1_sp_config(struct rkisp1_capture *cap) rkisp1_write(rkisp1, cap->config->mi.cr_size_init, rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CR)); - rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_LLENGTH, cap->sp_y_stride); + rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_LLENGTH, cap->stride); rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_PIC_WIDTH, pixm->width); rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_PIC_HEIGHT, pixm->height); rkisp1_write(rkisp1, RKISP1_CIF_MI_SP_Y_PIC_SIZE, - cap->sp_y_stride * pixm->height); + cap->stride * pixm->height); rkisp1_irq_frame_end_enable(cap); @@ -1095,8 +1103,8 @@ static const struct vb2_ops rkisp1_vb2_ops = { */ static const struct v4l2_format_info * -rkisp1_fill_pixfmt(struct v4l2_pix_format_mplane *pixm, - enum rkisp1_stream_id id) +rkisp1_fill_pixfmt(const struct rkisp1_capture *cap, + struct v4l2_pix_format_mplane *pixm) { struct v4l2_plane_pix_format *plane_y = &pixm->plane_fmt[0]; const struct v4l2_format_info *info; @@ -1109,10 +1117,13 @@ rkisp1_fill_pixfmt(struct v4l2_pix_format_mplane *pixm, /* * The SP supports custom strides, expressed as a number of pixels for - * the Y plane. Clamp the stride to a reasonable value to avoid integer - * overflows when calculating the bytesperline and sizeimage values. + * the Y plane, and so does the MP in ISP versions that have the + * MAIN_STRIDE feature. Clamp the stride to a reasonable value to avoid + * integer overflows when calculating the bytesperline and sizeimage + * values. */ - if (id == RKISP1_SELFPATH) + if (cap->id == RKISP1_SELFPATH || + rkisp1_has_feature(cap->rkisp1, MAIN_STRIDE)) stride = clamp(DIV_ROUND_UP(plane_y->bytesperline, info->bpp[0]), pixm->width, 65536U); else @@ -1187,7 +1198,7 @@ static void rkisp1_try_fmt(const struct rkisp1_capture *cap, pixm->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; pixm->quantization = V4L2_QUANTIZATION_DEFAULT; - info = rkisp1_fill_pixfmt(pixm, cap->id); + info = rkisp1_fill_pixfmt(cap, pixm); if (fmt_cfg) *fmt_cfg = fmt; @@ -1199,12 +1210,9 @@ static void rkisp1_set_fmt(struct rkisp1_capture *cap, struct v4l2_pix_format_mplane *pixm) { rkisp1_try_fmt(cap, pixm, &cap->pix.cfg, &cap->pix.info); - cap->pix.fmt = *pixm; - /* SP supports custom stride in number of pixels of the Y plane */ - if (cap->id == RKISP1_SELFPATH) - cap->sp_y_stride = pixm->plane_fmt[0].bytesperline / - cap->pix.info->bpp[0]; + cap->pix.fmt = *pixm; + cap->stride = pixm->plane_fmt[0].bytesperline / cap->pix.info->bpp[0]; } static int rkisp1_try_fmt_vid_cap_mplane(struct file *file, void *fh, diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index be6cb42776b0..6a811b7ef1b9 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -110,6 +110,7 @@ enum rkisp1_isp_pad { * enum rkisp1_feature - ISP features * * @RKISP1_FEATURE_MIPI_CSI2: The ISP has an internal MIPI CSI-2 receiver + * @RKISP1_FEATURE_MAIN_STRIDE: The ISP supports configurable stride on the main path * * The ISP features are stored in a bitmask in &rkisp1_info.features and allow * the driver to implement support for features present in some ISP versions @@ -117,6 +118,7 @@ enum rkisp1_isp_pad { */ enum rkisp1_feature { RKISP1_FEATURE_MIPI_CSI2 = BIT(0), + RKISP1_FEATURE_MAIN_STRIDE = BIT(1), }; #define rkisp1_has_feature(rkisp1, feature) \ @@ -266,7 +268,7 @@ struct rkisp1_device; * handler to stop the streaming by waiting on the 'done' wait queue. * If the irq handler is not called, the stream is stopped by the callback * after timeout. - * @sp_y_stride: the selfpath allows to configure a y stride that is longer than the image width. + * @stride: the line stride for the first plane, in pixel units * @buf.lock: lock to protect buf.queue * @buf.queue: queued buffer list * @buf.dummy: dummy space to store dropped data @@ -287,7 +289,7 @@ struct rkisp1_capture { bool is_streaming; bool is_stopping; wait_queue_head_t done; - unsigned int sp_y_stride; + unsigned int stride; struct { /* protects queue, curr and next */ spinlock_t lock; diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h index bea69a0d766a..3b19c8411360 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h @@ -207,6 +207,24 @@ #define RKISP1_CIF_MI_XTD_FMT_CTRL_SP_CB_CR_SWAP BIT(1) #define RKISP1_CIF_MI_XTD_FMT_CTRL_DMA_CB_CR_SWAP BIT(2) +/* MI_OUTPUT_ALIGN_FORMAT */ +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_LSB_ALIGNMENT BIT(0) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_BYTES BIT(1) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_WORDS BIT(2) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_DWORDS BIT(3) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_BYTES BIT(4) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_WORDS BIT(5) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_SP_BYTE_SWAP_DWORDS BIT(6) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_DMA_BYTE_SWAP_BYTES BIT(7) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_DMA_BYTE_SWAP_WORDS BIT(8) +#define RKISP1_CIF_OUTPUT_ALIGN_FORMAT_DMA_BYTE_SWAP_DWORDS BIT(9) + +/* MI_MP_OUTPUT_FIFO_SIZE */ +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_FULL (0 << 0) +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_HALF (1 << 0) +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_QUARTER (2 << 0) +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE_OUTPUT_FIFO_DEPTH_EIGHT (3 << 0) + /* VI_CCL */ #define RKISP1_CIF_CCL_CIF_CLK_DIS BIT(2) /* VI_ISP_CLK_CTRL */ @@ -1000,6 +1018,15 @@ #define RKISP1_CIF_MI_SP_CB_BASE_AD_INIT2 (RKISP1_CIF_MI_BASE + 0x00000140) #define RKISP1_CIF_MI_SP_CR_BASE_AD_INIT2 (RKISP1_CIF_MI_BASE + 0x00000144) #define RKISP1_CIF_MI_XTD_FORMAT_CTRL (RKISP1_CIF_MI_BASE + 0x00000148) +#define RKISP1_CIF_MI_MP_HANDSHAKE_0 (RKISP1_CIF_MI_BASE + 0x0000014C) +#define RKISP1_CIF_MI_MP_Y_LLENGTH (RKISP1_CIF_MI_BASE + 0x00000150) +#define RKISP1_CIF_MI_MP_Y_SLICE_OFFSET (RKISP1_CIF_MI_BASE + 0x00000154) +#define RKISP1_CIF_MI_MP_C_SLICE_OFFSET (RKISP1_CIF_MI_BASE + 0x00000158) +#define RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT (RKISP1_CIF_MI_BASE + 0x0000015C) +#define RKISP1_CIF_MI_MP_OUTPUT_FIFO_SIZE (RKISP1_CIF_MI_BASE + 0x00000160) +#define RKISP1_CIF_MI_MP_Y_PIC_WIDTH (RKISP1_CIF_MI_BASE + 0x00000164) +#define RKISP1_CIF_MI_MP_Y_PIC_HEIGHT (RKISP1_CIF_MI_BASE + 0x00000168) +#define RKISP1_CIF_MI_MP_Y_PIC_SIZE (RKISP1_CIF_MI_BASE + 0x0000016C) #define RKISP1_CIF_SMIA_BASE 0x00001a00 #define RKISP1_CIF_SMIA_CTRL (RKISP1_CIF_SMIA_BASE + 0x00000000)