[PATCH v2 6/8] staging: media: starfive: Fix bayer output stride configuration

From: Changhuang Liang
Date: Wed Apr 10 2024 - 05:11:59 EST


Add the bayer output stride configuration. And convert set the stride
be a helper function. Improve readability.

Fixes: e57854628f58 ("media: staging: media: starfive: camss: Add ISP driver")

Signed-off-by: Changhuang Liang <changhuang.liang@xxxxxxxxxxxxxxxx>
---
.../staging/media/starfive/camss/stf-isp-hw-ops.c | 13 +++++++++----
drivers/staging/media/starfive/camss/stf-isp.c | 12 +++++++++---
drivers/staging/media/starfive/camss/stf-isp.h | 4 ++--
3 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c b/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
index f170fab2bfb4..c990dc124f77 100644
--- a/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
+++ b/drivers/staging/media/starfive/camss/stf-isp-hw-ops.c
@@ -408,6 +408,15 @@ void stf_isp_config_yuv_out_stride(struct stf_isp_dev *isp_dev,
stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_STRIDE, val);
}

+void stf_isp_config_bayer_out_stride(struct stf_isp_dev *isp_dev,
+ u32 width, u8 bpp)
+{
+ u32 val = ALIGN(width * bpp / 8, STFCAMSS_FRAME_WIDTH_ALIGN_128);
+
+ stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_DUMP_CFG_1,
+ DUMP_BURST_LEN(3) | val);
+}
+
static void stf_isp_config_raw_fmt(struct stfcamss *stfcamss, u32 mcode)
{
u32 val, val1;
@@ -459,10 +468,6 @@ void stf_isp_settings(struct stf_isp_dev *isp_dev,
stf_isp_config_crop(stfcamss, crop);
stf_isp_config_raw_fmt(stfcamss, mcode);

- stf_isp_reg_set_bit(stfcamss, ISP_REG_DUMP_CFG_1,
- DUMP_BURST_LEN_MASK | DUMP_SD_MASK,
- DUMP_BURST_LEN(3));
-
stf_isp_reg_write(stfcamss, ISP_REG_ITIIWSR,
ITI_HSIZE(IMAGE_MAX_HEIGH) |
ITI_WSIZE(IMAGE_MAX_WIDTH));
diff --git a/drivers/staging/media/starfive/camss/stf-isp.c b/drivers/staging/media/starfive/camss/stf-isp.c
index fb48e7a29e8c..ef07639bf4d1 100644
--- a/drivers/staging/media/starfive/camss/stf-isp.c
+++ b/drivers/staging/media/starfive/camss/stf-isp.c
@@ -88,22 +88,28 @@ int stf_isp_init(struct stfcamss *stfcamss)
void stf_isp_stream_on(struct stf_isp_dev *isp_dev,
struct v4l2_subdev_state *sd_state)
{
- const struct stf_isp_format_table *fmt_t_src;
- struct v4l2_mbus_framefmt *fmt, *fmt_src;
+ const struct stf_isp_format_table *fmt_t_src, *fmt_t_bayer;
+ struct v4l2_mbus_framefmt *fmt, *fmt_src, *fmt_bayer;
struct v4l2_rect *crop;
- int src;
+ int src, bayer;

fmt_t_src = &isp_dev->formats[STF_ISP_PAD_SRC];
+ fmt_t_bayer = &isp_dev->formats[STF_ISP_PAD_SRC_BAYER];
fmt = v4l2_subdev_state_get_format(sd_state, STF_ISP_PAD_SINK);
fmt_src = v4l2_subdev_state_get_format(sd_state, STF_ISP_PAD_SRC);
+ fmt_bayer = v4l2_subdev_state_get_format(sd_state, STF_ISP_PAD_SRC_BAYER);
crop = v4l2_subdev_state_get_crop(sd_state, STF_ISP_PAD_SINK);
src = stf_isp_g_index_by_mcode(fmt_t_src, fmt_src->code);
+ bayer = stf_isp_g_index_by_mcode(fmt_t_bayer, fmt_bayer->code);

stf_isp_reset(isp_dev);
stf_isp_init_cfg(isp_dev);
stf_isp_settings(isp_dev, crop, fmt->code);
stf_isp_config_yuv_out_stride(isp_dev, crop->width,
fmt_t_src->fmts[src].bpp);
+ stf_isp_config_bayer_out_stride(isp_dev, crop->width,
+ fmt_t_bayer->fmts[bayer].bpp);
+
stf_isp_stream_set(isp_dev);
}

diff --git a/drivers/staging/media/starfive/camss/stf-isp.h b/drivers/staging/media/starfive/camss/stf-isp.h
index 8505603bdbc5..546c79332e9a 100644
--- a/drivers/staging/media/starfive/camss/stf-isp.h
+++ b/drivers/staging/media/starfive/camss/stf-isp.h
@@ -77,8 +77,6 @@
#define DUMP_SHT(n) ((n) << 20)
#define DUMP_BURST_LEN(n) ((n) << 16)
#define DUMP_SD(n) ((n) << 0)
-#define DUMP_BURST_LEN_MASK GENMASK(17, 16)
-#define DUMP_SD_MASK GENMASK(15, 0)

#define ISP_REG_DEC_CFG 0x030
#define DEC_V_KEEP(n) ((n) << 24)
@@ -586,6 +584,8 @@ void stf_isp_stream_on(struct stf_isp_dev *isp_dev,
struct v4l2_subdev_state *sd_state);
void stf_isp_config_yuv_out_stride(struct stf_isp_dev *isp_dev,
u32 width, u8 bpp);
+void stf_isp_config_bayer_out_stride(struct stf_isp_dev *isp_dev,
+ u32 width, u8 bpp);
int stf_isp_init(struct stfcamss *stfcamss);
int stf_isp_register(struct stf_isp_dev *isp_dev, struct v4l2_device *v4l2_dev);
int stf_isp_unregister(struct stf_isp_dev *isp_dev);
--
2.25.1