[PATCH v12 11/12] media: rkisp1: Fix endianness on raw streams on i.MX8MP

Paul Elder
2024-02-16T09:56:14Z

The i.MX8MP has extra register fields in the memory interface control
register for setting the output format, which work with the output
alignment format register for byte-swapping and LSB/MSB alignment.

With processed and 8-bit raw streams, it doesn't cause any problems to
not set these, but with raw streams of higher bit depth the endianness
is swapped and the data is not aligned properly.

Add support for settings these registers and plumb them in to fix this.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
---
Changes in v12:
- replace MP_OUTPUT_FORMAT feature flag with MAIN_STRIDE

New in v6
---
.../platform/rockchip/rkisp1/rkisp1-capture.c | 93 ++++++++++++++-----
.../platform/rockchip/rkisp1/rkisp1-regs.h | 8 ++
2 files changed, 78 insertions(+), 23 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index 64b1d1104e20..28a99b31581b 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -48,16 +48,20 @@ enum rkisp1_plane {
* @fmt_type: helper filed for pixel format
* @uv_swap: if cb cr swapped, for yuv
* @yc_swap: if y and cb/cr swapped, for yuv
+ * @byte_swap: if byte pairs are swapped, for raw
* @write_format: defines how YCbCr self picture data is written to memory
- * @output_format: defines sp output format
+ * @output_format_mp: defines mp output format
+ * @output_format_sp: defines sp output format
* @mbus: the mbus code on the src resizer pad that matches the pixel format
*/
struct rkisp1_capture_fmt_cfg {
u32 fourcc;
u32 uv_swap : 1;
u32 yc_swap : 1;
+ u32 byte_swap : 1;
u32 write_format;
- u32 output_format;
+ u32 output_format_mp;
+ u32 output_format_sp;
u32 mbus;
};

@@ -96,42 +100,50 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = {
.fourcc = V4L2_PIX_FMT_YUYV,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_UYVY,
.uv_swap = 0,
.yc_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUVINT,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_YUV422P,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV16,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV61,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV16M,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV61M,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_YVU422M,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
},
/* yuv400 */
@@ -139,6 +151,7 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = {
.fourcc = V4L2_PIX_FMT_GREY,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV400,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
},
/* yuv420 */
@@ -146,81 +159,107 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_mp_fmts[] = {
.fourcc = V4L2_PIX_FMT_NV21,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_NV12,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_NV21M,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_NV12M,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_YUV420,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_YVU420,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
},
/* raw */
{
.fourcc = V4L2_PIX_FMT_SRGGB8,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW8,
.mbus = MEDIA_BUS_FMT_SRGGB8_1X8,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG8,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW8,
.mbus = MEDIA_BUS_FMT_SGRBG8_1X8,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG8,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW8,
.mbus = MEDIA_BUS_FMT_SGBRG8_1X8,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR8,
.write_format = RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW8,
.mbus = MEDIA_BUS_FMT_SBGGR8_1X8,
}, {
.fourcc = V4L2_PIX_FMT_SRGGB10,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW10,
.mbus = MEDIA_BUS_FMT_SRGGB10_1X10,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG10,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW10,
.mbus = MEDIA_BUS_FMT_SGRBG10_1X10,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG10,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW10,
.mbus = MEDIA_BUS_FMT_SGBRG10_1X10,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR10,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW10,
.mbus = MEDIA_BUS_FMT_SBGGR10_1X10,
}, {
.fourcc = V4L2_PIX_FMT_SRGGB12,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW12,
.mbus = MEDIA_BUS_FMT_SRGGB12_1X12,
}, {
.fourcc = V4L2_PIX_FMT_SGRBG12,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW12,
.mbus = MEDIA_BUS_FMT_SGRBG12_1X12,
}, {
.fourcc = V4L2_PIX_FMT_SGBRG12,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW12,
.mbus = MEDIA_BUS_FMT_SGBRG12_1X12,
}, {
.fourcc = V4L2_PIX_FMT_SBGGR12,
+ .byte_swap = 1,
.write_format = RKISP1_MI_CTRL_MP_WRITE_RAW12,
+ .output_format_mp = RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW12,
.mbus = MEDIA_BUS_FMT_SBGGR12_1X12,
},
};
@@ -235,50 +274,50 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = {
.fourcc = V4L2_PIX_FMT_YUYV,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_INT,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_UYVY,
.uv_swap = 0,
.yc_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_INT,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_YUV422P,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV16,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV61,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV16M,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_NV61M,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_YVU422M,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
},
/* yuv400 */
@@ -286,19 +325,19 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = {
.fourcc = V4L2_PIX_FMT_GREY,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV422,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
},
/* rgb */
{
.fourcc = V4L2_PIX_FMT_XBGR32,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB888,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_RGB888,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
}, {
.fourcc = V4L2_PIX_FMT_RGB565,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_RGB565,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_RGB565,
.mbus = MEDIA_BUS_FMT_YUYV8_2X8,
},
/* yuv420 */
@@ -306,37 +345,37 @@ static const struct rkisp1_capture_fmt_cfg rkisp1_sp_fmts[] = {
.fourcc = V4L2_PIX_FMT_NV21,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_NV12,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_NV21M,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_NV12M,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_SPLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_YUV420,
.uv_swap = 0,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
}, {
.fourcc = V4L2_PIX_FMT_YVU420,
.uv_swap = 1,
.write_format = RKISP1_MI_CTRL_SP_WRITE_PLA,
- .output_format = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
+ .output_format_sp = RKISP1_MI_CTRL_SP_OUTPUT_YUV420,
.mbus = MEDIA_BUS_FMT_YUYV8_1_5X8,
},
};
@@ -484,10 +523,12 @@ static void rkisp1_mp_config(struct rkisp1_capture *cap)
*/
if (rkisp1_has_feature(rkisp1, MAIN_STRIDE)) {
reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT);
- if (cap->pix.cfg->yc_swap)
+ if (cap->pix.cfg->yc_swap || cap->pix.cfg->byte_swap)
reg |= RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_BYTES;
else
reg &= ~RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_BYTE_SWAP_BYTES;
+
+ reg |= RKISP1_CIF_OUTPUT_ALIGN_FORMAT_MP_LSB_ALIGNMENT;
rkisp1_write(rkisp1, RKISP1_CIF_MI_OUTPUT_ALIGN_FORMAT, reg);
}

@@ -554,7 +595,7 @@ static void rkisp1_sp_config(struct rkisp1_capture *cap)
mi_ctrl &= ~RKISP1_MI_CTRL_SP_FMT_MASK;
mi_ctrl |= cap->pix.cfg->write_format |
RKISP1_MI_CTRL_SP_INPUT_YUV422 |
- cap->pix.cfg->output_format |
+ cap->pix.cfg->output_format_sp |
RKISP1_CIF_MI_SP_AUTOUPDATE_ENABLE;
rkisp1_write(rkisp1, RKISP1_CIF_MI_CTRL, mi_ctrl);
}
@@ -946,6 +987,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap)
struct rkisp1_device *rkisp1 = cap->rkisp1;
struct rkisp1_capture *other = &rkisp1->capture_devs[cap->id ^ 1];
bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH);
+ u32 reg;

cap->ops->set_data_path(cap);
cap->ops->config(cap);
@@ -965,8 +1007,13 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap)
*/
if (!has_self_path || !other->is_streaming) {
/* force cfg update */
- rkisp1_write(rkisp1, RKISP1_CIF_MI_INIT,
- RKISP1_CIF_MI_INIT_SOFT_UPD);
+ reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_INIT);
+
+ if (rkisp1_has_feature(rkisp1, MAIN_STRIDE))
+ reg |= cap->pix.cfg->output_format_mp;
+
+ reg |= RKISP1_CIF_MI_INIT_SOFT_UPD;
+ rkisp1_write(rkisp1, RKISP1_CIF_MI_INIT, reg);
rkisp1_set_next_buf(cap);
}
spin_unlock_irq(&cap->buf.lock);
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
index 3b19c8411360..762243016f05 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-regs.h
@@ -144,6 +144,14 @@
/* MI_INIT */
#define RKISP1_CIF_MI_INIT_SKIP BIT(2)
#define RKISP1_CIF_MI_INIT_SOFT_UPD BIT(4)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV400 (0 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV420 (1 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV422 (2 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_YUV444 (3 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW12 (4 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW8 (5 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_JPEG (6 << 5)
+#define RKISP1_CIF_MI_INIT_MP_OUTPUT_RAW10 (7 << 5)

/* MI_CTRL_SHD */
#define RKISP1_CIF_MI_CTRL_SHD_MP_IN_ENABLED BIT(0)
--
2.39.2