[PATCH v6 5/6] media: starfive: Add ISP driver

From: Jack Zhu
Date: Thu May 25 2023 - 04:32:38 EST

Add ISP driver for StarFive Camera Subsystem.

Signed-off-by: Jack Zhu <jack.zhu@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/starfive/Makefile | 2 +
drivers/media/platform/starfive/stf_camss.c | 71 ++-
drivers/media/platform/starfive/stf_camss.h | 2 +
drivers/media/platform/starfive/stf_isp.c | 550 ++++++++++++++++++
drivers/media/platform/starfive/stf_isp.h | 483 +++++++++++++++
.../media/platform/starfive/stf_isp_hw_ops.c | 468 +++++++++++++++
6 files changed, 1574 insertions(+), 2 deletions(-)
create mode 100644 drivers/media/platform/starfive/stf_isp.c
create mode 100644 drivers/media/platform/starfive/stf_isp.h
create mode 100644 drivers/media/platform/starfive/stf_isp_hw_ops.c

diff --git a/drivers/media/platform/starfive/Makefile b/drivers/media/platform/starfive/Makefile
index d7a42b3a938c..60a3018f4994 100644
--- a/drivers/media/platform/starfive/Makefile
+++ b/drivers/media/platform/starfive/Makefile
@@ -5,6 +5,8 @@

starfive-camss-objs += \
stf_camss.o \
+ stf_isp.o \
+ stf_isp_hw_ops.o \
stf_video.o

obj-$(CONFIG_VIDEO_STARFIVE_CAMSS) += starfive-camss.o \
diff --git a/drivers/media/platform/starfive/stf_camss.c b/drivers/media/platform/starfive/stf_camss.c
index cb2b62d49416..0d8406ba6a40 100644
--- a/drivers/media/platform/starfive/stf_camss.c
+++ b/drivers/media/platform/starfive/stf_camss.c
@@ -126,16 +126,66 @@ static int stfcamss_of_parse_ports(struct stfcamss *stfcamss)
return ret;
}

+/*
+ * stfcamss_init_subdevices - Initialize subdev structures and resources
+ * @stfcamss: STFCAMSS device
+ *
+ * Return 0 on success or a negative error code on failure
+ */
+static int stfcamss_init_subdevices(struct stfcamss *stfcamss)
+{
+ int ret;
+
+ ret = stf_isp_subdev_init(stfcamss);
+ if (ret < 0) {
+ dev_err(stfcamss->dev, "Failed to init isp subdev: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int stfcamss_register_subdevices(struct stfcamss *stfcamss)
+{
+ int ret;
+ struct stf_isp_dev *isp_dev = &stfcamss->isp_dev;
+
+ ret = stf_isp_register(isp_dev, &stfcamss->v4l2_dev);
+ if (ret < 0) {
+ dev_err(stfcamss->dev,
+ "Failed to register stf isp%d entity: %d\n", 0, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void stfcamss_unregister_subdevices(struct stfcamss *stfcamss)
+{
+ stf_isp_unregister(&stfcamss->isp_dev);
+}
+
static int stfcamss_subdev_notifier_bound(struct v4l2_async_notifier *async,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
struct stfcamss *stfcamss =
container_of(async, struct stfcamss, notifier);
+ struct stfcamss_async_subdev *csd =
+ container_of(asd, struct stfcamss_async_subdev, asd);
+ enum port_num port = csd->port;
+ struct stf_isp_dev *isp_dev = &stfcamss->isp_dev;
struct host_data *host_data = &stfcamss->host_data;
struct media_entity *source;
int i, j;

+ if (port == PORT_NUMBER_CSI2RX) {
+ host_data->host_entity[1] = &isp_dev->subdev.entity;
+ } else if (port == PORT_NUMBER_DVP_SENSOR) {
+ dev_err(stfcamss->dev, "Not support DVP sensor\n");
+ return -EPERM;
+ }
+
source = &subdev->entity;

for (i = 0; i < source->num_pads; i++) {
@@ -266,12 +316,18 @@ static int stfcamss_probe(struct platform_device *pdev)
return -ENODEV;
}

+ ret = stfcamss_init_subdevices(stfcamss);
+ if (ret < 0) {
+ dev_err(dev, "Failed to init subdevice: %d\n", ret);
+ goto err_cleanup_notifier;
+ }
+
stfcamss_mc_init(pdev, stfcamss);

ret = v4l2_device_register(stfcamss->dev, &stfcamss->v4l2_dev);
if (ret < 0) {
dev_err(dev, "Failed to register V4L2 device: %d\n", ret);
- goto err_cleanup_notifier;
+ goto err_cleanup_media_device;
}

ret = media_device_register(&stfcamss->media_dev);
@@ -280,22 +336,32 @@ static int stfcamss_probe(struct platform_device *pdev)
goto err_unregister_device;
}

+ ret = stfcamss_register_subdevices(stfcamss);
+ if (ret < 0) {
+ dev_err(dev, "Failed to register subdevice: %d\n", ret);
+ goto err_unregister_media_dev;
+ }
+
stfcamss->notifier.ops = &stfcamss_subdev_notifier_ops;
ret = v4l2_async_nf_register(&stfcamss->v4l2_dev, &stfcamss->notifier);
if (ret) {
dev_err(dev, "Failed to register async subdev nodes: %d\n",
ret);
- goto err_unregister_media_dev;
+ goto err_unregister_subdevs;
}

pm_runtime_enable(dev);

return 0;

+err_unregister_subdevs:
+ stfcamss_unregister_subdevices(stfcamss);
err_unregister_media_dev:
media_device_unregister(&stfcamss->media_dev);
err_unregister_device:
v4l2_device_unregister(&stfcamss->v4l2_dev);
+err_cleanup_media_device:
+ media_device_cleanup(&stfcamss->media_dev);
err_cleanup_notifier:
v4l2_async_nf_cleanup(&stfcamss->notifier);
return ret;
@@ -311,6 +377,7 @@ static int stfcamss_remove(struct platform_device *pdev)
{
struct stfcamss *stfcamss = platform_get_drvdata(pdev);

+ stfcamss_unregister_subdevices(stfcamss);
v4l2_device_unregister(&stfcamss->v4l2_dev);
media_device_cleanup(&stfcamss->media_dev);
pm_runtime_disable(&pdev->dev);
diff --git a/drivers/media/platform/starfive/stf_camss.h b/drivers/media/platform/starfive/stf_camss.h
index 8f39cd65950c..c9d94be92ea8 100644
--- a/drivers/media/platform/starfive/stf_camss.h
+++ b/drivers/media/platform/starfive/stf_camss.h
@@ -16,6 +16,7 @@
#include <media/v4l2-device.h>

#include "stf_common.h"
+#include "stf_isp.h"

#define DRV_NAME "starfive-camss"
#define STF_DVP_NAME "stf_dvp"
@@ -71,6 +72,7 @@ struct stfcamss {
struct media_device media_dev;
struct media_pipeline pipe;
struct device *dev;
+ struct stf_isp_dev isp_dev;
struct v4l2_async_notifier notifier;
struct host_data host_data;
void __iomem *syscon_base;
diff --git a/drivers/media/platform/starfive/stf_isp.c b/drivers/media/platform/starfive/stf_isp.c
new file mode 100644
index 000000000000..874e06efc45d
--- /dev/null
+++ b/drivers/media/platform/starfive/stf_isp.c
@@ -0,0 +1,550 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * stf_isp.c
+ *
+ * StarFive Camera Subsystem - ISP Module
+ *
+ * Copyright (C) 2021-2023 StarFive Technology Co., Ltd.
+ */
+#include <linux/firmware.h>
+#include <media/v4l2-event.h>
+
+#include "stf_camss.h"
+
+#define SINK_FORMATS_INDEX 0
+#define UO_FORMATS_INDEX 1
+
+static int isp_set_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_selection *sel);
+
+static const struct isp_format isp_formats_sink[] = {
+ { MEDIA_BUS_FMT_SRGGB10_1X10, 10 },
+ { MEDIA_BUS_FMT_SGRBG10_1X10, 10 },
+ { MEDIA_BUS_FMT_SGBRG10_1X10, 10 },
+ { MEDIA_BUS_FMT_SBGGR10_1X10, 10 },
+};
+
+static const struct isp_format isp_formats_uo[] = {
+ { MEDIA_BUS_FMT_Y12_1X12, 8 },
+};
+
+static const struct isp_format_table isp_formats_st7110[] = {
+ { isp_formats_sink, ARRAY_SIZE(isp_formats_sink) },
+ { isp_formats_uo, ARRAY_SIZE(isp_formats_uo) },
+};
+
+int stf_isp_subdev_init(struct stfcamss *stfcamss)
+{
+ struct stf_isp_dev *isp_dev = &stfcamss->isp_dev;
+
+ isp_dev->sdev_type = STF_SUBDEV_TYPE_ISP;
+ isp_dev->stfcamss = stfcamss;
+ isp_dev->formats = isp_formats_st7110;
+ isp_dev->nformats = ARRAY_SIZE(isp_formats_st7110);
+
+ mutex_init(&isp_dev->stream_lock);
+ mutex_init(&isp_dev->power_lock);
+ return 0;
+}
+
+static int isp_set_power(struct v4l2_subdev *sd, int on)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+
+ mutex_lock(&isp_dev->power_lock);
+ if (on) {
+ if (isp_dev->power_count == 0)
+ dev_dbg(isp_dev->stfcamss->dev, "turn on isp\n");
+ isp_dev->power_count++;
+ } else {
+ if (isp_dev->power_count == 0)
+ goto exit;
+ isp_dev->power_count--;
+ }
+exit:
+ mutex_unlock(&isp_dev->power_lock);
+
+ return 0;
+}
+
+static struct v4l2_mbus_framefmt *
+__isp_get_format(struct stf_isp_dev *isp_dev,
+ struct v4l2_subdev_state *state,
+ unsigned int pad,
+ enum v4l2_subdev_format_whence which)
+{
+ if (which == V4L2_SUBDEV_FORMAT_TRY)
+ return v4l2_subdev_get_try_format(&isp_dev->subdev, state, pad);
+
+ return &isp_dev->fmt[pad];
+}
+
+static int isp_set_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ int ret = 0;
+ struct v4l2_mbus_framefmt *fmt;
+ struct v4l2_event src_ch = { 0 };
+
+ fmt = __isp_get_format(isp_dev, NULL, STF_ISP_PAD_SINK,
+ V4L2_SUBDEV_FORMAT_ACTIVE);
+ mutex_lock(&isp_dev->stream_lock);
+ if (enable) {
+ if (isp_dev->stream_count == 0) {
+ stf_isp_clk_enable(isp_dev);
+ stf_isp_reset(isp_dev);
+ stf_isp_init_cfg(isp_dev);
+ stf_isp_settings(isp_dev, isp_dev->rect, fmt->code);
+ stf_isp_stream_set(isp_dev);
+ }
+ isp_dev->stream_count++;
+ } else {
+ if (isp_dev->stream_count == 0)
+ goto exit;
+
+ if (isp_dev->stream_count == 1)
+ stf_isp_clk_disable(isp_dev);
+
+ isp_dev->stream_count--;
+ }
+ src_ch.type = V4L2_EVENT_SOURCE_CHANGE,
+ src_ch.u.src_change.changes = isp_dev->stream_count,
+
+ v4l2_subdev_notify_event(sd, &src_ch);
+exit:
+ mutex_unlock(&isp_dev->stream_lock);
+
+ return ret;
+}
+
+static void isp_try_format(struct stf_isp_dev *isp_dev,
+ struct v4l2_subdev_state *state,
+ unsigned int pad,
+ struct v4l2_mbus_framefmt *fmt,
+ enum v4l2_subdev_format_whence which)
+{
+ const struct isp_format_table *formats;
+ struct stf_isp_crop *rect;
+ int i;
+
+ switch (pad) {
+ case STF_ISP_PAD_SINK:
+ /* Set format on sink pad */
+ formats = &isp_dev->formats[SINK_FORMATS_INDEX];
+ rect = &isp_dev->rect[SINK_FORMATS_INDEX];
+ fmt->width = clamp_t(u32,
+ fmt->width, STFCAMSS_FRAME_MIN_WIDTH,
+ STFCAMSS_FRAME_MAX_WIDTH);
+ fmt->height = clamp_t(u32,
+ fmt->height, STFCAMSS_FRAME_MIN_HEIGHT,
+ STFCAMSS_FRAME_MAX_HEIGHT);
+ fmt->height &= ~0x1;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ fmt->flags = 0;
+ break;
+
+ case STF_ISP_PAD_SRC:
+ formats = &isp_dev->formats[UO_FORMATS_INDEX];
+ rect = &isp_dev->rect[UO_FORMATS_INDEX];
+ *fmt = *__isp_get_format(isp_dev, state,
+ STF_ISP_PAD_SINK, which);
+ break;
+ }
+
+ for (i = 0; i < formats->nfmts; i++) {
+ if (fmt->code == formats->fmts[i].code)
+ break;
+ }
+
+ if (i >= formats->nfmts) {
+ fmt->code = formats->fmts[0].code;
+ rect->bpp = formats->fmts[0].bpp;
+ } else {
+ rect->bpp = formats->fmts[i].bpp;
+ }
+}
+
+static int isp_enum_mbus_code(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_mbus_code_enum *code)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ const struct isp_format_table *formats;
+
+ if (code->index >= isp_dev->nformats)
+ return -EINVAL;
+ if (code->pad == STF_ISP_PAD_SINK) {
+ formats = &isp_dev->formats[SINK_FORMATS_INDEX];
+ code->code = formats->fmts[code->index].code;
+ } else {
+ struct v4l2_mbus_framefmt *sink_fmt;
+
+ sink_fmt = __isp_get_format(isp_dev, state, STF_ISP_PAD_SINK,
+ code->which);
+
+ code->code = sink_fmt->code;
+ if (!code->code)
+ return -EINVAL;
+ }
+ code->flags = 0;
+
+ return 0;
+}
+
+static int isp_enum_frame_size(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_frame_size_enum *fse)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt format;
+
+ if (fse->index != 0)
+ return -EINVAL;
+
+ format.code = fse->code;
+ format.width = 1;
+ format.height = 1;
+ isp_try_format(isp_dev, state, fse->pad, &format, fse->which);
+ fse->min_width = format.width;
+ fse->min_height = format.height;
+
+ if (format.code != fse->code)
+ return -EINVAL;
+
+ format.code = fse->code;
+ format.width = -1;
+ format.height = -1;
+ isp_try_format(isp_dev, state, fse->pad, &format, fse->which);
+ fse->max_width = format.width;
+ fse->max_height = format.height;
+
+ return 0;
+}
+
+static int isp_get_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *format;
+
+ format = __isp_get_format(isp_dev, state, fmt->pad, fmt->which);
+ if (!format)
+ return -EINVAL;
+
+ fmt->format = *format;
+
+ return 0;
+}
+
+static int isp_set_format(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_format *fmt)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ struct v4l2_mbus_framefmt *format;
+
+ format = __isp_get_format(isp_dev, state, fmt->pad, fmt->which);
+ if (!format)
+ return -EINVAL;
+
+ mutex_lock(&isp_dev->stream_lock);
+
+ isp_try_format(isp_dev, state, fmt->pad, &fmt->format, fmt->which);
+ *format = fmt->format;
+
+ mutex_unlock(&isp_dev->stream_lock);
+
+ /* Propagate to in crop */
+ if (fmt->pad == STF_ISP_PAD_SINK) {
+ struct v4l2_subdev_selection sel = { 0 };
+ int ret;
+
+ /* Reset sink pad compose selection */
+ sel.which = fmt->which;
+ sel.pad = STF_ISP_PAD_SINK;
+ sel.target = V4L2_SEL_TGT_CROP;
+ sel.r.width = fmt->format.width;
+ sel.r.height = fmt->format.height;
+ ret = isp_set_selection(sd, state, &sel);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct v4l2_rect *
+__isp_get_crop(struct stf_isp_dev *isp_dev,
+ struct v4l2_subdev_state *state,
+ unsigned int pad,
+ enum v4l2_subdev_format_whence which)
+{
+ if (which == V4L2_SUBDEV_FORMAT_TRY)
+ return v4l2_subdev_get_try_crop(&isp_dev->subdev, state,
+ STF_ISP_PAD_SINK);
+
+ return &isp_dev->rect[pad].rect;
+}
+
+static void isp_try_crop(struct stf_isp_dev *isp_dev,
+ struct v4l2_subdev_state *state,
+ struct v4l2_rect *rect,
+ enum v4l2_subdev_format_whence which)
+{
+ struct v4l2_mbus_framefmt *fmt;
+
+ fmt = __isp_get_format(isp_dev, state, STF_ISP_PAD_SINK, which);
+
+ if (rect->width > fmt->width)
+ rect->width = fmt->width;
+
+ if (rect->width + rect->left > fmt->width)
+ rect->left = fmt->width - rect->width;
+
+ if (rect->height > fmt->height)
+ rect->height = fmt->height;
+
+ if (rect->height + rect->top > fmt->height)
+ rect->top = fmt->height - rect->height;
+
+ if (rect->width < STFCAMSS_FRAME_MIN_WIDTH) {
+ rect->left = 0;
+ rect->width = STFCAMSS_FRAME_MAX_WIDTH;
+ }
+
+ if (rect->height < STFCAMSS_FRAME_MIN_HEIGHT) {
+ rect->top = 0;
+ rect->height = STFCAMSS_FRAME_MAX_HEIGHT;
+ }
+ rect->height &= ~0x1;
+}
+
+static int isp_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_selection *sel)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ struct v4l2_subdev_format fmt = { 0 };
+ struct v4l2_rect *rect;
+ int ret;
+
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ if (sel->pad == STF_ISP_PAD_SINK) {
+ fmt.pad = sel->pad;
+ fmt.which = sel->which;
+ ret = isp_get_format(sd, state, &fmt);
+ if (ret < 0)
+ return ret;
+
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = fmt.format.width;
+ sel->r.height = fmt.format.height;
+ } else if (sel->pad == STF_ISP_PAD_SRC) {
+ rect = __isp_get_crop(isp_dev, state,
+ sel->pad, sel->which);
+ sel->r = *rect;
+ }
+ break;
+
+ case V4L2_SEL_TGT_CROP:
+ rect = __isp_get_crop(isp_dev, state, sel->pad, sel->which);
+ if (!rect)
+ return -EINVAL;
+
+ sel->r = *rect;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int isp_set_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state,
+ struct v4l2_subdev_selection *sel)
+{
+ struct stf_isp_dev *isp_dev = v4l2_get_subdevdata(sd);
+ struct v4l2_rect *rect;
+ int ret = 0;
+
+ if (sel->target == V4L2_SEL_TGT_CROP &&
+ sel->pad == STF_ISP_PAD_SINK) {
+ struct v4l2_subdev_selection crop = { 0 };
+
+ rect = __isp_get_crop(isp_dev, state, sel->pad, sel->which);
+ if (!rect)
+ return -EINVAL;
+
+ mutex_lock(&isp_dev->stream_lock);
+ isp_try_crop(isp_dev, state, &sel->r, sel->which);
+ *rect = sel->r;
+ mutex_unlock(&isp_dev->stream_lock);
+
+ /* Reset source crop selection */
+ crop.which = sel->which;
+ crop.pad = STF_ISP_PAD_SRC;
+ crop.target = V4L2_SEL_TGT_CROP;
+ crop.r = *rect;
+ ret = isp_set_selection(sd, state, &crop);
+ } else if (sel->target == V4L2_SEL_TGT_CROP &&
+ sel->pad == STF_ISP_PAD_SRC) {
+ struct v4l2_subdev_format fmt = { 0 };
+
+ rect = __isp_get_crop(isp_dev, state, sel->pad, sel->which);
+ if (!rect)
+ return -EINVAL;
+
+ mutex_lock(&isp_dev->stream_lock);
+ isp_try_crop(isp_dev, state, &sel->r, sel->which);
+ *rect = sel->r;
+ mutex_unlock(&isp_dev->stream_lock);
+
+ /* Reset source pad format width and height */
+ fmt.which = sel->which;
+ fmt.pad = STF_ISP_PAD_SRC;
+ fmt.format.width = rect->width;
+ fmt.format.height = rect->height;
+ ret = isp_set_format(sd, state, &fmt);
+ if (ret < 0)
+ return ret;
+ }
+
+ dev_dbg(isp_dev->stfcamss->dev, "pad: %d sel(%d,%d)/%dx%d\n",
+ sel->pad, sel->r.left, sel->r.top, sel->r.width, sel->r.height);
+
+ return 0;
+}
+
+static int isp_init_formats(struct v4l2_subdev *sd,
+ struct v4l2_subdev_fh *fh)
+{
+ struct v4l2_subdev_format format = {
+ .pad = STF_ISP_PAD_SINK,
+ .which =
+ fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE,
+ .format = {
+ .code = MEDIA_BUS_FMT_RGB565_2X8_LE,
+ .width = 1920,
+ .height = 1080
+ }
+ };
+
+ return isp_set_format(sd, fh ? fh->state : NULL, &format);
+}
+
+static int isp_link_setup(struct media_entity *entity,
+ const struct media_pad *local,
+ const struct media_pad *remote, u32 flags)
+{
+ if (flags & MEDIA_LNK_FL_ENABLED)
+ if (media_pad_remote_pad_first(local))
+ return -EBUSY;
+ return 0;
+}
+
+static int stf_isp_subscribe_event(struct v4l2_subdev *sd,
+ struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub)
+{
+ switch (sub->type) {
+ case V4L2_EVENT_SOURCE_CHANGE:
+ return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct v4l2_subdev_core_ops isp_core_ops = {
+ .s_power = isp_set_power,
+ .subscribe_event = stf_isp_subscribe_event,
+ .unsubscribe_event = v4l2_event_subdev_unsubscribe,
+};
+
+static const struct v4l2_subdev_video_ops isp_video_ops = {
+ .s_stream = isp_set_stream,
+};
+
+static const struct v4l2_subdev_pad_ops isp_pad_ops = {
+ .enum_mbus_code = isp_enum_mbus_code,
+ .enum_frame_size = isp_enum_frame_size,
+ .get_fmt = isp_get_format,
+ .set_fmt = isp_set_format,
+ .get_selection = isp_get_selection,
+ .set_selection = isp_set_selection,
+};
+
+static const struct v4l2_subdev_ops isp_v4l2_ops = {
+ .core = &isp_core_ops,
+ .video = &isp_video_ops,
+ .pad = &isp_pad_ops,
+};
+
+static const struct v4l2_subdev_internal_ops isp_v4l2_internal_ops = {
+ .open = isp_init_formats,
+};
+
+static const struct media_entity_operations isp_media_ops = {
+ .link_setup = isp_link_setup,
+ .link_validate = v4l2_subdev_link_validate,
+};
+
+int stf_isp_register(struct stf_isp_dev *isp_dev, struct v4l2_device *v4l2_dev)
+{
+ struct v4l2_subdev *sd = &isp_dev->subdev;
+ struct media_pad *pads = isp_dev->pads;
+ int ret;
+
+ v4l2_subdev_init(sd, &isp_v4l2_ops);
+ sd->internal_ops = &isp_v4l2_internal_ops;
+ sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
+ snprintf(sd->name, ARRAY_SIZE(sd->name), "%s%d", STF_ISP_NAME, 0);
+ v4l2_set_subdevdata(sd, isp_dev);
+
+ ret = isp_init_formats(sd, NULL);
+ if (ret < 0) {
+ dev_err(isp_dev->stfcamss->dev, "Failed to init format: %d\n",
+ ret);
+ return ret;
+ }
+
+ pads[STF_ISP_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
+ pads[STF_ISP_PAD_SRC].flags = MEDIA_PAD_FL_SOURCE;
+
+ sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER;
+ sd->entity.ops = &isp_media_ops;
+ ret = media_entity_pads_init(&sd->entity, STF_ISP_PAD_MAX, pads);
+ if (ret < 0) {
+ dev_err(isp_dev->stfcamss->dev,
+ "Failed to init media entity: %d\n", ret);
+ return ret;
+ }
+
+ ret = v4l2_device_register_subdev(v4l2_dev, sd);
+ if (ret < 0) {
+ dev_err(isp_dev->stfcamss->dev,
+ "Failed to register subdev: %d\n", ret);
+ goto err_sreg;
+ }
+
+ return 0;
+
+err_sreg:
+ media_entity_cleanup(&sd->entity);
+ return ret;
+}
+
+int stf_isp_unregister(struct stf_isp_dev *isp_dev)
+{
+ v4l2_device_unregister_subdev(&isp_dev->subdev);
+ media_entity_cleanup(&isp_dev->subdev.entity);
+ mutex_destroy(&isp_dev->stream_lock);
+ mutex_destroy(&isp_dev->power_lock);
+ return 0;
+}
diff --git a/drivers/media/platform/starfive/stf_isp.h b/drivers/media/platform/starfive/stf_isp.h
new file mode 100644
index 000000000000..45bf20af020d
--- /dev/null
+++ b/drivers/media/platform/starfive/stf_isp.h
@@ -0,0 +1,483 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * stf_isp.h
+ *
+ * StarFive Camera Subsystem - ISP Module
+ *
+ * Copyright (C) 2021-2023 StarFive Technology Co., Ltd.
+ */
+
+#ifndef STF_ISP_H
+#define STF_ISP_H
+
+#include <media/media-entity.h>
+#include <media/v4l2-subdev.h>
+
+#include "stf_video.h"
+
+#define ISP_RAW_DATA_BITS 12
+#define SCALER_RATIO_MAX 1
+#define STF_ISP_REG_OFFSET_MAX 0x0fff
+#define STF_ISP_REG_DELAY_MAX 100
+
+/* isp registers */
+#define ISP_REG_CSI_INPUT_EN_AND_STATUS 0x000
+#define CSI_SCD_ERR BIT(6)
+#define CSI_ITU656_ERR BIT(4)
+#define CSI_ITU656_F BIT(3)
+#define CSI_SCD_DONE BIT(2)
+#define CSI_BUSY_S BIT(1)
+#define CSI_EN_S BIT(0)
+
+#define ISP_REG_CSIINTS 0x008
+#define CSI_INTS(n) ((n) << 16)
+#define CSI_SHA_M(n) ((n) << 0)
+#define CSI_INTS_MASK GENMASK(17, 16)
+
+#define ISP_REG_CSI_MODULE_CFG 0x010
+#define CSI_DUMP_EN BIT(19)
+#define CSI_VS_EN BIT(18)
+#define CSI_SC_EN BIT(17)
+#define CSI_OBA_EN BIT(16)
+#define CSI_AWB_EN BIT(7)
+#define CSI_LCCF_EN BIT(6)
+#define CSI_OECFHM_EN BIT(5)
+#define CSI_OECF_EN BIT(4)
+#define CSI_LCBQ_EN BIT(3)
+#define CSI_OBC_EN BIT(2)
+#define CSI_DEC_EN BIT(1)
+#define CSI_DC_EN BIT(0)
+
+#define ISP_REG_SENSOR 0x014
+#define DVP_SYNC_POL(n) ((n) << 2)
+#define ITU656_EN(n) ((n) << 1)
+#define IMAGER_SEL(n) ((n) << 0)
+
+#define ISP_REG_RAW_FORMAT_CFG 0x018
+#define SMY13(n) ((n) << 14)
+#define SMY12(n) ((n) << 12)
+#define SMY11(n) ((n) << 10)
+#define SMY10(n) ((n) << 8)
+#define SMY3(n) ((n) << 6)
+#define SMY2(n) ((n) << 4)
+#define SMY1(n) ((n) << 2)
+#define SMY0(n) ((n) << 0)
+
+#define ISP_REG_PIC_CAPTURE_START_CFG 0x01c
+#define VSTART_CAP(n) ((n) << 16)
+#define HSTART_CAP(n) ((n) << 0)
+
+#define ISP_REG_PIC_CAPTURE_END_CFG 0x020
+#define VEND_CAP(n) ((n) << 16)
+#define HEND_CAP(n) ((n) << 0)
+
+#define ISP_REG_DUMP_CFG_0 0x024
+#define ISP_REG_DUMP_CFG_1 0x028
+#define DUMP_ID(n) ((n) << 24)
+#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)
+#define DEC_V_PERIOD(n) ((n) << 16)
+#define DEC_H_KEEP(n) ((n) << 8)
+#define DEC_H_PERIOD(n) ((n) << 0)
+
+#define ISP_REG_OBC_CFG 0x034
+#define OBC_W_H(y) ((y) << 4)
+#define OBC_W_W(x) ((x) << 0)
+
+#define ISP_REG_DC_CFG_1 0x044
+#define DC_AXI_ID(n) ((n) << 0)
+
+#define ISP_REG_LCCF_CFG_0 0x050
+#define Y_DISTANCE(y) ((y) << 16)
+#define X_DISTANCE(x) ((x) << 0)
+
+#define ISP_REG_LCCF_CFG_1 0x058
+#define LCCF_MAX_DIS(n) ((n) << 0)
+
+#define ISP_REG_LCBQ_CFG_0 0x074
+#define H_LCBQ(y) ((y) << 12)
+#define W_LCBQ(x) ((x) << 8)
+
+#define ISP_REG_LCBQ_CFG_1 0x07c
+#define Y_COOR(y) ((y) << 16)
+#define X_COOR(x) ((x) << 0)
+
+#define ISP_REG_LCCF_CFG_2 0x0e0
+#define ISP_REG_LCCF_CFG_3 0x0e4
+#define ISP_REG_LCCF_CFG_4 0x0e8
+#define ISP_REG_LCCF_CFG_5 0x0ec
+#define LCCF_F2_PAR(n) ((n) << 16)
+#define LCCF_F1_PAR(n) ((n) << 0)
+
+#define ISP_REG_OECF_X0_CFG0 0x100
+#define ISP_REG_OECF_X0_CFG1 0x104
+#define ISP_REG_OECF_X0_CFG2 0x108
+#define ISP_REG_OECF_X0_CFG3 0x10c
+#define ISP_REG_OECF_X0_CFG4 0x110
+#define ISP_REG_OECF_X0_CFG5 0x114
+#define ISP_REG_OECF_X0_CFG6 0x118
+#define ISP_REG_OECF_X0_CFG7 0x11c
+
+#define ISP_REG_OECF_Y3_CFG0 0x1e0
+#define ISP_REG_OECF_Y3_CFG1 0x1e4
+#define ISP_REG_OECF_Y3_CFG2 0x1e8
+#define ISP_REG_OECF_Y3_CFG3 0x1ec
+#define ISP_REG_OECF_Y3_CFG4 0x1f0
+#define ISP_REG_OECF_Y3_CFG5 0x1f4
+#define ISP_REG_OECF_Y3_CFG6 0x1f8
+#define ISP_REG_OECF_Y3_CFG7 0x1fc
+
+#define ISP_REG_OECF_S0_CFG0 0x200
+#define ISP_REG_OECF_S3_CFG7 0x27c
+#define OCEF_PAR_H(n) ((n) << 16)
+#define OCEF_PAR_L(n) ((n) << 0)
+
+#define ISP_REG_AWB_X0_CFG_0 0x280
+#define ISP_REG_AWB_X0_CFG_1 0x284
+#define ISP_REG_AWB_X1_CFG_0 0x288
+#define ISP_REG_AWB_X1_CFG_1 0x28c
+#define ISP_REG_AWB_X2_CFG_0 0x290
+#define ISP_REG_AWB_X2_CFG_1 0x294
+#define ISP_REG_AWB_X3_CFG_0 0x298
+#define ISP_REG_AWB_X3_CFG_1 0x29c
+#define AWB_X_SYMBOL_H(n) ((n) << 16)
+#define AWB_X_SYMBOL_L(n) ((n) << 0)
+
+#define ISP_REG_AWB_Y0_CFG_0 0x2a0
+#define ISP_REG_AWB_Y0_CFG_1 0x2a4
+#define ISP_REG_AWB_Y1_CFG_0 0x2a8
+#define ISP_REG_AWB_Y1_CFG_1 0x2ac
+#define ISP_REG_AWB_Y2_CFG_0 0x2b0
+#define ISP_REG_AWB_Y2_CFG_1 0x2b4
+#define ISP_REG_AWB_Y3_CFG_0 0x2b8
+#define ISP_REG_AWB_Y3_CFG_1 0x2bc
+#define AWB_Y_SYMBOL_H(n) ((n) << 16)
+#define AWB_Y_SYMBOL_L(n) ((n) << 0)
+
+#define ISP_REG_AWB_S0_CFG_0 0x2c0
+#define ISP_REG_AWB_S0_CFG_1 0x2c4
+#define ISP_REG_AWB_S1_CFG_0 0x2c8
+#define ISP_REG_AWB_S1_CFG_1 0x2cc
+#define ISP_REG_AWB_S2_CFG_0 0x2d0
+#define ISP_REG_AWB_S2_CFG_1 0x2d4
+#define ISP_REG_AWB_S3_CFG_0 0x2d8
+#define ISP_REG_AWB_S3_CFG_1 0x2dc
+#define AWB_S_SYMBOL_H(n) ((n) << 16)
+#define AWB_S_SYMBOL_L(n) ((n) << 0)
+
+#define ISP_REG_OBCG_CFG_0 0x2e0
+#define ISP_REG_OBCG_CFG_1 0x2e4
+#define ISP_REG_OBCG_CFG_2 0x2e8
+#define ISP_REG_OBCG_CFG_3 0x2ec
+#define ISP_REG_OBCO_CFG_0 0x2f0
+#define ISP_REG_OBCO_CFG_1 0x2f4
+#define ISP_REG_OBCO_CFG_2 0x2f8
+#define ISP_REG_OBCO_CFG_3 0x2fc
+#define GAIN_D_POINT(x) ((x) << 24)
+#define GAIN_C_POINT(x) ((x) << 16)
+#define GAIN_B_POINT(x) ((x) << 8)
+#define GAIN_A_POINT(x) ((x) << 0)
+#define OFFSET_D_POINT(x) ((x) << 24)
+#define OFFSET_C_POINT(x) ((x) << 16)
+#define OFFSET_B_POINT(x) ((x) << 8)
+#define OFFSET_A_POINT(x) ((x) << 0)
+
+#define ISP_REG_ISP_CTRL_0 0xa00
+#define ISPC_SCFEINT BIT(27)
+#define ISPC_VSFWINT BIT(26)
+#define ISPC_VSINT BIT(25)
+#define ISPC_INTS BIT(24)
+#define ISPC_ENUO BIT(20)
+#define ISPC_ENLS BIT(17)
+#define ISPC_ENSS1 BIT(12)
+#define ISPC_ENSS0 BIT(11)
+#define ISPC_RST BIT(1)
+#define ISPC_EN BIT(0)
+#define ISPC_RST_MASK BIT(1)
+
+#define ISP_REG_ISP_CTRL_1 0xa08
+#define CTRL_SAT(n) ((n) << 28)
+#define CTRL_DBC BIT(22)
+#define CTRL_CTC BIT(21)
+#define CTRL_YHIST BIT(20)
+#define CTRL_YCURVE BIT(19)
+#define CTRL_CTM BIT(18)
+#define CTRL_BIYUV BIT(17)
+#define CTRL_SCE BIT(8)
+#define CTRL_EE BIT(7)
+#define CTRL_CCE BIT(5)
+#define CTRL_RGE BIT(4)
+#define CTRL_CME BIT(3)
+#define CTRL_AE BIT(2)
+#define CTRL_CE BIT(1)
+#define CTRL_SAT_MASK GENMASK(31, 28)
+
+#define ISP_REG_PIPELINE_XY_SIZE 0xa0c
+#define H_ACT_CAP(n) ((n) << 16)
+#define W_ACT_CAP(n) ((n) << 0)
+
+#define ISP_REG_ICTC 0xa10
+#define GF_MODE(n) ((n) << 30)
+#define MAXGT(n) ((n) << 16)
+#define MINGT(n) ((n) << 0)
+
+#define ISP_REG_IDBC 0xa14
+#define BADGT(n) ((n) << 16)
+#define BADXT(n) ((n) << 0)
+
+#define ISP_REG_ICFAM 0xa1c
+#define CROSS_COV(n) ((n) << 4)
+#define HV_W(n) ((n) << 0)
+
+#define ISP_REG_CS_GAIN 0xa30
+#define CMAD(n) ((n) << 16)
+#define CMAB(n) ((n) << 0)
+
+#define ISP_REG_CS_THRESHOLD 0xa34
+#define CMD(n) ((n) << 16)
+#define CMB(n) ((n) << 0)
+
+#define ISP_REG_CS_OFFSET 0xa38
+#define VOFF(n) ((n) << 16)
+#define UOFF(n) ((n) << 0)
+
+#define ISP_REG_CS_HUE_F 0xa3c
+#define SIN(n) ((n) << 16)
+#define COS(n) ((n) << 0)
+
+#define ISP_REG_CS_SCALE 0xa40
+#define CMSF(n) ((n) << 0)
+
+#define ISP_REG_IESHD 0xa50
+#define SHAD_UP_M BIT(1)
+#define SHAD_UP_EN BIT(0)
+
+#define ISP_REG_YADJ0 0xa54
+#define YOIR(n) ((n) << 16)
+#define YIMIN(n) ((n) << 0)
+
+#define ISP_REG_YADJ1 0xa58
+#define YOMAX(n) ((n) << 16)
+#define YOMIN(n) ((n) << 0)
+
+#define ISP_REG_Y_PLANE_START_ADDR 0xa80
+#define ISP_REG_UV_PLANE_START_ADDR 0xa84
+
+#define ISP_REG_STRIDE 0xa88
+#define IMG_STR(n) ((n) << 0)
+
+#define ISP_REG_ITIIWSR 0xb20
+#define ITI_HSIZE(n) ((n) << 16)
+#define ITI_WSIZE(n) ((n) << 0)
+
+#define ISP_REG_ITIDWLSR 0xb24
+#define ITI_WSTRIDE(n) ((n) << 0)
+
+#define ISP_REG_ITIPDFR 0xb38
+#define ITI_PACKAGE_FMT(n) ((n) << 0)
+
+#define ISP_REG_ITIDRLSR 0xb3C
+#define ITI_STRIDE_L(n) ((n) << 0)
+
+#define ISP_REG_DNYUV_YSWR0 0xc00
+#define ISP_REG_DNYUV_YSWR1 0xc04
+#define ISP_REG_DNYUV_CSWR0 0xc08
+#define ISP_REG_DNYUV_CSWR1 0xc0c
+#define YUVSW5(n) ((n) << 20)
+#define YUVSW4(n) ((n) << 16)
+#define YUVSW3(n) ((n) << 12)
+#define YUVSW2(n) ((n) << 8)
+#define YUVSW1(n) ((n) << 4)
+#define YUVSW0(n) ((n) << 0)
+
+#define ISP_REG_DNYUV_YDR0 0xc10
+#define ISP_REG_DNYUV_YDR1 0xc14
+#define ISP_REG_DNYUV_YDR2 0xc18
+#define ISP_REG_DNYUV_CDR0 0xc1c
+#define ISP_REG_DNYUV_CDR1 0xc20
+#define ISP_REG_DNYUV_CDR2 0xc24
+#define CURVE_D_H(n) ((n) << 16)
+#define CURVE_D_L(n) ((n) << 0)
+
+#define ISP_REG_ICAMD_0 0xc40
+#define DNRM_F(n) ((n) << 16)
+#define ISP_REG_ICAMD_12 0xc70
+#define ISP_REG_ICAMD_20 0xc90
+#define ISP_REG_ICAMD_24 0xca0
+#define ISP_REG_ICAMD_25 0xca4
+#define CCM_M_DAT(n) ((n) << 0)
+
+#define ISP_REG_GAMMA_VAL0 0xe00
+#define ISP_REG_GAMMA_VAL1 0xe04
+#define ISP_REG_GAMMA_VAL2 0xe08
+#define ISP_REG_GAMMA_VAL3 0xe0c
+#define ISP_REG_GAMMA_VAL4 0xe10
+#define ISP_REG_GAMMA_VAL5 0xe14
+#define ISP_REG_GAMMA_VAL6 0xe18
+#define ISP_REG_GAMMA_VAL7 0xe1c
+#define ISP_REG_GAMMA_VAL8 0xe20
+#define ISP_REG_GAMMA_VAL9 0xe24
+#define ISP_REG_GAMMA_VAL10 0xe28
+#define ISP_REG_GAMMA_VAL11 0xe2c
+#define ISP_REG_GAMMA_VAL12 0xe30
+#define ISP_REG_GAMMA_VAL13 0xe34
+#define ISP_REG_GAMMA_VAL14 0xe38
+#define GAMMA_S_VAL(n) ((n) << 16)
+#define GAMMA_VAL(n) ((n) << 0)
+
+#define ISP_REG_R2Y_0 0xe40
+#define ISP_REG_R2Y_1 0xe44
+#define ISP_REG_R2Y_2 0xe48
+#define ISP_REG_R2Y_3 0xe4c
+#define ISP_REG_R2Y_4 0xe50
+#define ISP_REG_R2Y_5 0xe54
+#define ISP_REG_R2Y_6 0xe58
+#define ISP_REG_R2Y_7 0xe5c
+#define ISP_REG_R2Y_8 0xe60
+#define CSC_M(n) ((n) << 0)
+
+#define ISP_REG_SHARPEN0 0xe80
+#define ISP_REG_SHARPEN1 0xe84
+#define ISP_REG_SHARPEN2 0xe88
+#define ISP_REG_SHARPEN3 0xe8c
+#define ISP_REG_SHARPEN4 0xe90
+#define ISP_REG_SHARPEN5 0xe94
+#define ISP_REG_SHARPEN6 0xe98
+#define ISP_REG_SHARPEN7 0xe9c
+#define ISP_REG_SHARPEN8 0xea0
+#define ISP_REG_SHARPEN9 0xea4
+#define ISP_REG_SHARPEN10 0xea8
+#define ISP_REG_SHARPEN11 0xeac
+#define ISP_REG_SHARPEN12 0xeb0
+#define ISP_REG_SHARPEN13 0xeb4
+#define ISP_REG_SHARPEN14 0xeb8
+#define S_DELTA(n) ((n) << 16)
+#define S_WEIGHT(n) ((n) << 8)
+
+#define ISP_REG_SHARPEN_FS0 0xebc
+#define ISP_REG_SHARPEN_FS1 0xec0
+#define ISP_REG_SHARPEN_FS2 0xec4
+#define ISP_REG_SHARPEN_FS3 0xec8
+#define ISP_REG_SHARPEN_FS4 0xecc
+#define ISP_REG_SHARPEN_FS5 0xed0
+#define S_FACTOR(n) ((n) << 24)
+#define S_SLOPE(n) ((n) << 0)
+
+#define ISP_REG_SHARPEN_WN 0xed4
+#define PDIRF(n) ((n) << 28)
+#define NDIRF(n) ((n) << 24)
+#define WSUM(n) ((n) << 0)
+
+#define ISP_REG_IUVS1 0xed8
+#define UVDIFF2(n) ((n) << 16)
+#define UVDIFF1(n) ((n) << 0)
+
+#define ISP_REG_IUVS2 0xedc
+#define UVF(n) ((n) << 24)
+#define UVSLOPE(n) ((n) << 0)
+
+#define ISP_REG_IUVCKS1 0xee0
+#define UVCKDIFF2(n) ((n) << 16)
+#define UVCKDIFF1(n) ((n) << 0)
+
+#define ISP_REG_IUVCKS2 0xee4
+#define UVCKSLOPE(n) ((n) << 0)
+
+#define ISP_REG_ISHRPET 0xee8
+#define TH(n) ((n) << 8)
+#define EN(n) ((n) << 0)
+
+#define ISP_REG_YCURVE_0 0xf00
+#define ISP_REG_YCURVE_63 0xffc
+#define L_PARAM(n) ((n) << 0)
+
+#define IMAGE_MAX_WIDTH 1920
+#define IMAGE_MAX_HEIGH 1080
+
+/* The output line of ISP */
+enum isp_line_id {
+ STF_ISP_LINE_INVALID = -1,
+ STF_ISP_LINE_SRC = 1,
+ STF_ISP_LINE_MAX = STF_ISP_LINE_SRC
+};
+
+/* pad id for media framework */
+enum isp_pad_id {
+ STF_ISP_PAD_SINK = 0,
+ STF_ISP_PAD_SRC,
+ STF_ISP_PAD_MAX
+};
+
+enum {
+ EN_INT_NONE = 0,
+ EN_INT_ISP_DONE = (0x1 << 24),
+ EN_INT_CSI_DONE = (0x1 << 25),
+ EN_INT_SC_DONE = (0x1 << 26),
+ EN_INT_LINE_INT = (0x1 << 27),
+ EN_INT_ALL = (0xF << 24),
+};
+
+enum {
+ INTERFACE_DVP = 0,
+ INTERFACE_CSI,
+};
+
+struct isp_format {
+ u32 code;
+ u8 bpp;
+};
+
+struct isp_format_table {
+ const struct isp_format *fmts;
+ int nfmts;
+};
+
+struct regval_t {
+ u32 addr;
+ u32 val;
+ u32 delay_ms;
+};
+
+struct reg_table {
+ const struct regval_t *regval;
+ int regval_num;
+};
+
+struct stf_isp_crop {
+ struct v4l2_rect rect;
+ u32 bpp;
+};
+
+struct stf_isp_dev {
+ enum stf_subdev_type sdev_type; /* This member must be first */
+ struct stfcamss *stfcamss;
+ struct v4l2_subdev subdev;
+ struct media_pad pads[STF_ISP_PAD_MAX];
+ struct v4l2_mbus_framefmt fmt[STF_ISP_PAD_MAX];
+ struct stf_isp_crop rect[STF_ISP_PAD_MAX];
+ const struct isp_format_table *formats;
+ unsigned int nformats;
+ struct mutex power_lock; /* serialize power control*/
+ int power_count;
+ struct mutex stream_lock; /* serialize stream control */
+ int stream_count;
+};
+
+int stf_isp_clk_enable(struct stf_isp_dev *isp_dev);
+int stf_isp_clk_disable(struct stf_isp_dev *isp_dev);
+int stf_isp_reset(struct stf_isp_dev *isp_dev);
+void stf_isp_init_cfg(struct stf_isp_dev *isp_dev);
+void stf_isp_settings(struct stf_isp_dev *isp_dev,
+ struct stf_isp_crop *crop_array, u32 mcode);
+void stf_isp_stream_set(struct stf_isp_dev *isp_dev);
+int stf_isp_subdev_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);
+
+#endif /* STF_ISP_H */
diff --git a/drivers/media/platform/starfive/stf_isp_hw_ops.c b/drivers/media/platform/starfive/stf_isp_hw_ops.c
new file mode 100644
index 000000000000..2088b6bd0d61
--- /dev/null
+++ b/drivers/media/platform/starfive/stf_isp_hw_ops.c
@@ -0,0 +1,468 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * stf_isp_hw_ops.c
+ *
+ * Register interface file for StarFive ISP driver
+ *
+ * Copyright (C) 2021-2023 StarFive Technology Co., Ltd.
+ *
+ */
+
+#include "stf_camss.h"
+
+static void stf_isp_config_obc(struct stfcamss *stfcamss)
+{
+ u32 reg_val, reg_add;
+
+ stf_isp_reg_write(stfcamss, ISP_REG_OBC_CFG, OBC_W_H(11) | OBC_W_W(11));
+
+ reg_val = GAIN_D_POINT(0x40) | GAIN_C_POINT(0x40) |
+ GAIN_B_POINT(0x40) | GAIN_A_POINT(0x40);
+ for (reg_add = ISP_REG_OBCG_CFG_0; reg_add <= ISP_REG_OBCG_CFG_3;) {
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ }
+
+ reg_val = OFFSET_D_POINT(0) | OFFSET_C_POINT(0) |
+ OFFSET_B_POINT(0) | OFFSET_A_POINT(0);
+ for (reg_add = ISP_REG_OBCO_CFG_0; reg_add <= ISP_REG_OBCO_CFG_3;) {
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ }
+}
+
+static void stf_isp_config_oecf(struct stfcamss *stfcamss)
+{
+ u32 reg_add, par_val;
+ u16 par_h, par_l;
+
+ par_h = 0x10; par_l = 0;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG0; reg_add <= ISP_REG_OECF_Y3_CFG0;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x40; par_l = 0x20;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG1; reg_add <= ISP_REG_OECF_Y3_CFG1;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x80; par_l = 0x60;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG2; reg_add <= ISP_REG_OECF_Y3_CFG2;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0xc0; par_l = 0xa0;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG3; reg_add <= ISP_REG_OECF_Y3_CFG3;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x100; par_l = 0xe0;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG4; reg_add <= ISP_REG_OECF_Y3_CFG4;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x200; par_l = 0x180;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG5; reg_add <= ISP_REG_OECF_Y3_CFG5;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x300; par_l = 0x280;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG6; reg_add <= ISP_REG_OECF_Y3_CFG6;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x3fe; par_l = 0x380;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_X0_CFG7; reg_add <= ISP_REG_OECF_Y3_CFG7;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 0x20;
+ }
+
+ par_h = 0x80; par_l = 0x80;
+ par_val = OCEF_PAR_H(par_h) | OCEF_PAR_L(par_l);
+ for (reg_add = ISP_REG_OECF_S0_CFG0; reg_add <= ISP_REG_OECF_S3_CFG7;) {
+ stf_isp_reg_write(stfcamss, reg_add, par_val);
+ reg_add += 4;
+ }
+}
+
+static void stf_isp_config_lccf(struct stfcamss *stfcamss)
+{
+ u32 reg_add;
+
+ stf_isp_reg_write(stfcamss, ISP_REG_LCCF_CFG_0,
+ Y_DISTANCE(0x21C) | X_DISTANCE(0x3C0));
+ stf_isp_reg_write(stfcamss, ISP_REG_LCCF_CFG_1, LCCF_MAX_DIS(0xb));
+
+ for (reg_add = ISP_REG_LCCF_CFG_2; reg_add <= ISP_REG_LCCF_CFG_5;) {
+ stf_isp_reg_write(stfcamss, reg_add,
+ LCCF_F2_PAR(0x0) | LCCF_F1_PAR(0x0));
+ reg_add += 4;
+ }
+}
+
+static void stf_isp_config_awb(struct stfcamss *stfcamss)
+{
+ u32 reg_val, reg_add;
+ u16 symbol_h, symbol_l;
+
+ symbol_h = 0x0; symbol_l = 0x0;
+ reg_val = AWB_X_SYMBOL_H(symbol_h) | AWB_X_SYMBOL_L(symbol_l);
+
+ for (reg_add = ISP_REG_AWB_X0_CFG_0; reg_add <= ISP_REG_AWB_X3_CFG_1;) {
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ }
+
+ symbol_h = 0x0, symbol_l = 0x0;
+ reg_val = AWB_Y_SYMBOL_H(symbol_h) | AWB_Y_SYMBOL_L(symbol_l);
+
+ for (reg_add = ISP_REG_AWB_Y0_CFG_0; reg_add <= ISP_REG_AWB_Y3_CFG_1;) {
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ }
+
+ symbol_h = 0x80, symbol_l = 0x80;
+ reg_val = AWB_S_SYMBOL_H(symbol_h) | AWB_S_SYMBOL_L(symbol_l);
+
+ for (reg_add = ISP_REG_AWB_S0_CFG_0; reg_add <= ISP_REG_AWB_S3_CFG_1;) {
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ }
+}
+
+static void stf_isp_config_grgb(struct stfcamss *stfcamss)
+{
+ stf_isp_reg_write(stfcamss, ISP_REG_ICTC,
+ GF_MODE(1) | MAXGT(0x140) | MINGT(0x40));
+ stf_isp_reg_write(stfcamss, ISP_REG_IDBC, BADGT(0x200) | BADXT(0x200));
+}
+
+static void stf_isp_config_cfa(struct stfcamss *stfcamss)
+{
+ stf_isp_reg_write(stfcamss, ISP_REG_RAW_FORMAT_CFG,
+ SMY13(0) | SMY12(1) | SMY11(0) | SMY10(1) | SMY3(2) |
+ SMY2(3) | SMY1(2) | SMY0(3));
+ stf_isp_reg_write(stfcamss, ISP_REG_ICFAM, CROSS_COV(3) | HV_W(2));
+}
+
+static void stf_isp_config_ccm(struct stfcamss *stfcamss)
+{
+ u32 reg_add;
+
+ stf_isp_reg_write(stfcamss, ISP_REG_ICAMD_0, DNRM_F(6) | CCM_M_DAT(0));
+
+ for (reg_add = ISP_REG_ICAMD_12; reg_add <= ISP_REG_ICAMD_20;) {
+ stf_isp_reg_write(stfcamss, reg_add, CCM_M_DAT(0x80));
+ reg_add += 0x10;
+ }
+
+ stf_isp_reg_write(stfcamss, ISP_REG_ICAMD_24, CCM_M_DAT(0x700));
+ stf_isp_reg_write(stfcamss, ISP_REG_ICAMD_25, CCM_M_DAT(0x200));
+}
+
+static void stf_isp_config_gamma(struct stfcamss *stfcamss)
+{
+ u32 reg_val, reg_add;
+ u16 gamma_slope_v, gamma_v;
+
+ gamma_slope_v = 0x2400; gamma_v = 0x0;
+ reg_val = GAMMA_S_VAL(gamma_slope_v) | GAMMA_VAL(gamma_v);
+ stf_isp_reg_write(stfcamss, ISP_REG_GAMMA_VAL0, reg_val);
+
+ gamma_slope_v = 0x800; gamma_v = 0x20;
+ for (reg_add = ISP_REG_GAMMA_VAL1; reg_add <= ISP_REG_GAMMA_VAL7;) {
+ reg_val = GAMMA_S_VAL(gamma_slope_v) | GAMMA_VAL(gamma_v);
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ gamma_v += 0x20;
+ }
+
+ gamma_v = 0x100;
+ for (reg_add = ISP_REG_GAMMA_VAL8; reg_add <= ISP_REG_GAMMA_VAL13;) {
+ reg_val = GAMMA_S_VAL(gamma_slope_v) | GAMMA_VAL(gamma_v);
+ stf_isp_reg_write(stfcamss, reg_add, reg_val);
+ reg_add += 4;
+ gamma_v += 0x80;
+ }
+
+ gamma_v = 0x3fe;
+ reg_val = GAMMA_S_VAL(gamma_slope_v) | GAMMA_VAL(gamma_v);
+ stf_isp_reg_write(stfcamss, ISP_REG_GAMMA_VAL14, reg_val);
+}
+
+static void stf_isp_config_r2y(struct stfcamss *stfcamss)
+{
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_0, CSC_M(0x4C));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_1, CSC_M(0x97));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_2, CSC_M(0x1d));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_3, CSC_M(0x1d5));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_4, CSC_M(0x1ac));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_5, CSC_M(0x80));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_6, CSC_M(0x80));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_7, CSC_M(0x194));
+ stf_isp_reg_write(stfcamss, ISP_REG_R2Y_8, CSC_M(0x1ec));
+}
+
+static void stf_isp_config_y_curve(struct stfcamss *stfcamss)
+{
+ u32 reg_add;
+ u16 y_curve;
+
+ y_curve = 0x0;
+ for (reg_add = ISP_REG_YCURVE_0; reg_add <= ISP_REG_YCURVE_63;) {
+ stf_isp_reg_write(stfcamss, reg_add, y_curve);
+ reg_add += 4;
+ y_curve += 0x10;
+ }
+}
+
+static void stf_isp_config_sharpen(struct stfcamss *sc)
+{
+ u32 reg_add;
+
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN0, S_DELTA(0x7) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN1, S_DELTA(0x18) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN2, S_DELTA(0x80) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN3, S_DELTA(0x100) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN4, S_DELTA(0x10) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN5, S_DELTA(0x60) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN6, S_DELTA(0x100) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN7, S_DELTA(0x190) | S_WEIGHT(0xf));
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN8, S_DELTA(0x0) | S_WEIGHT(0xf));
+
+ for (reg_add = ISP_REG_SHARPEN9; reg_add <= ISP_REG_SHARPEN14;) {
+ stf_isp_reg_write(sc, reg_add, S_WEIGHT(0xf));
+ reg_add += 4;
+ }
+
+ for (reg_add = ISP_REG_SHARPEN_FS0; reg_add <= ISP_REG_SHARPEN_FS5;) {
+ stf_isp_reg_write(sc, reg_add, S_FACTOR(0x10) | S_SLOPE(0x0));
+ reg_add += 4;
+ }
+
+ stf_isp_reg_write(sc, ISP_REG_SHARPEN_WN,
+ PDIRF(0x8) | NDIRF(0x8) | WSUM(0xd7c));
+ stf_isp_reg_write(sc, ISP_REG_IUVS1, UVDIFF2(0xC0) | UVDIFF1(0x40));
+ stf_isp_reg_write(sc, ISP_REG_IUVS2, UVF(0xff) | UVSLOPE(0x0));
+ stf_isp_reg_write(sc, ISP_REG_IUVCKS1,
+ UVCKDIFF2(0xa0) | UVCKDIFF1(0x40));
+}
+
+static void stf_isp_config_dnyuv(struct stfcamss *stfcamss)
+{
+ u32 reg_val;
+
+ reg_val = YUVSW5(7) | YUVSW4(7) | YUVSW3(7) | YUVSW2(7) |
+ YUVSW1(7) | YUVSW0(7);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_YSWR0, reg_val);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_CSWR0, reg_val);
+
+ reg_val = YUVSW3(7) | YUVSW2(7) | YUVSW1(7) | YUVSW0(7);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_YSWR1, reg_val);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_CSWR1, reg_val);
+
+ reg_val = CURVE_D_H(0x60) | CURVE_D_L(0x40);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_YDR0, reg_val);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_CDR0, reg_val);
+
+ reg_val = CURVE_D_H(0xd8) | CURVE_D_L(0x90);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_YDR1, reg_val);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_CDR1, reg_val);
+
+ reg_val = CURVE_D_H(0x1e6) | CURVE_D_L(0x144);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_YDR2, reg_val);
+ stf_isp_reg_write(stfcamss, ISP_REG_DNYUV_CDR2, reg_val);
+}
+
+static void stf_isp_config_sat(struct stfcamss *stfcamss)
+{
+ stf_isp_reg_write(stfcamss, ISP_REG_CS_GAIN, CMAD(0x0) | CMAB(0x100));
+ stf_isp_reg_write(stfcamss, ISP_REG_CS_THRESHOLD, CMD(0x1f) | CMB(0x1));
+ stf_isp_reg_write(stfcamss, ISP_REG_CS_OFFSET, VOFF(0x0) | UOFF(0x0));
+ stf_isp_reg_write(stfcamss, ISP_REG_CS_HUE_F, SIN(0x0) | COS(0x100));
+ stf_isp_reg_write(stfcamss, ISP_REG_CS_SCALE, CMSF(0x8));
+ stf_isp_reg_write(stfcamss, ISP_REG_YADJ0, YOIR(0x401) | YIMIN(0x1));
+ stf_isp_reg_write(stfcamss, ISP_REG_YADJ1, YOMAX(0x3ff) | YOMIN(0x1));
+}
+
+int stf_isp_clk_enable(struct stf_isp_dev *isp_dev)
+{
+ struct stfcamss *stfcamss = isp_dev->stfcamss;
+
+ clk_prepare_enable(stfcamss->sys_clk[STF_CLK_WRAPPER_CLK_C].clk);
+ reset_control_deassert(stfcamss->sys_rst[STF_RST_WRAPPER_C].rstc);
+ reset_control_deassert(stfcamss->sys_rst[STF_RST_WRAPPER_P].rstc);
+
+ return 0;
+}
+
+int stf_isp_clk_disable(struct stf_isp_dev *isp_dev)
+{
+ struct stfcamss *stfcamss = isp_dev->stfcamss;
+
+ reset_control_assert(stfcamss->sys_rst[STF_RST_WRAPPER_C].rstc);
+ reset_control_assert(stfcamss->sys_rst[STF_RST_WRAPPER_P].rstc);
+ clk_disable_unprepare(stfcamss->sys_clk[STF_CLK_WRAPPER_CLK_C].clk);
+
+ return 0;
+}
+
+int stf_isp_reset(struct stf_isp_dev *isp_dev)
+{
+ stf_isp_reg_set_bit(isp_dev->stfcamss, ISP_REG_ISP_CTRL_0,
+ ISPC_RST_MASK, ISPC_RST);
+ stf_isp_reg_set_bit(isp_dev->stfcamss, ISP_REG_ISP_CTRL_0,
+ ISPC_RST_MASK, 0);
+
+ return 0;
+}
+
+void stf_isp_init_cfg(struct stf_isp_dev *isp_dev)
+{
+ stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_DC_CFG_1, DC_AXI_ID(0x0));
+ stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_DEC_CFG,
+ DEC_V_KEEP(0x0) |
+ DEC_V_PERIOD(0x0) |
+ DEC_H_KEEP(0x0) |
+ DEC_H_PERIOD(0x0));
+
+ stf_isp_config_obc(isp_dev->stfcamss);
+ stf_isp_config_oecf(isp_dev->stfcamss);
+ stf_isp_config_lccf(isp_dev->stfcamss);
+ stf_isp_config_awb(isp_dev->stfcamss);
+ stf_isp_config_grgb(isp_dev->stfcamss);
+ stf_isp_config_cfa(isp_dev->stfcamss);
+ stf_isp_config_ccm(isp_dev->stfcamss);
+ stf_isp_config_gamma(isp_dev->stfcamss);
+ stf_isp_config_r2y(isp_dev->stfcamss);
+ stf_isp_config_y_curve(isp_dev->stfcamss);
+ stf_isp_config_sharpen(isp_dev->stfcamss);
+ stf_isp_config_dnyuv(isp_dev->stfcamss);
+ stf_isp_config_sat(isp_dev->stfcamss);
+
+ stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_CSI_MODULE_CFG,
+ CSI_DUMP_EN | CSI_SC_EN | CSI_AWB_EN |
+ CSI_LCCF_EN | CSI_OECF_EN | CSI_OBC_EN | CSI_DEC_EN);
+ stf_isp_reg_write(isp_dev->stfcamss, ISP_REG_ISP_CTRL_1,
+ CTRL_SAT(1) | CTRL_DBC | CTRL_CTC | CTRL_YHIST |
+ CTRL_YCURVE | CTRL_BIYUV | CTRL_SCE | CTRL_EE |
+ CTRL_CCE | CTRL_RGE | CTRL_CME | CTRL_AE | CTRL_CE);
+}
+
+static void stf_isp_config_crop(struct stfcamss *stfcamss,
+ struct stf_isp_crop *crop)
+{
+ struct v4l2_rect *rect = &crop[STF_ISP_PAD_SRC].rect;
+ u32 bpp = crop[STF_ISP_PAD_SRC].bpp;
+ u32 val;
+
+ val = VSTART_CAP(rect->top) | HSTART_CAP(rect->left);
+ stf_isp_reg_write(stfcamss, ISP_REG_PIC_CAPTURE_START_CFG, val);
+
+ val = VEND_CAP(rect->height + rect->top - 1) |
+ HEND_CAP(rect->width + rect->left - 1);
+ stf_isp_reg_write(stfcamss, ISP_REG_PIC_CAPTURE_END_CFG, val);
+
+ val = H_ACT_CAP(rect->height) | W_ACT_CAP(rect->width);
+ stf_isp_reg_write(stfcamss, ISP_REG_PIPELINE_XY_SIZE, val);
+
+ val = ALIGN(rect->width * bpp / 8, STFCAMSS_FRAME_WIDTH_ALIGN_8);
+ stf_isp_reg_write(stfcamss, ISP_REG_STRIDE, val);
+}
+
+static void stf_isp_config_raw_fmt(struct stfcamss *stfcamss, u32 mcode)
+{
+ u32 val, val1;
+
+ switch (mcode) {
+ case MEDIA_BUS_FMT_SRGGB10_1X10:
+ case MEDIA_BUS_FMT_SRGGB8_1X8:
+ /* 3 2 3 2 1 0 1 0 B Gb B Gb Gr R Gr R */
+ val = SMY13(3) | SMY12(2) | SMY11(3) | SMY10(2) |
+ SMY3(1) | SMY2(0) | SMY1(1) | SMY0(0);
+ val1 = CTRL_SAT(0x0);
+ break;
+ case MEDIA_BUS_FMT_SGRBG10_1X10:
+ case MEDIA_BUS_FMT_SGRBG8_1X8:
+ /* 2 3 2 3 0 1 0 1, Gb B Gb B R Gr R Gr */
+ val = SMY13(2) | SMY12(3) | SMY11(2) | SMY10(3) |
+ SMY3(0) | SMY2(1) | SMY1(0) | SMY0(1);
+ val1 = CTRL_SAT(0x2);
+ break;
+ case MEDIA_BUS_FMT_SGBRG10_1X10:
+ case MEDIA_BUS_FMT_SGBRG8_1X8:
+ /* 1 0 1 0 3 2 3 2, Gr R Gr R B Gb B Gb */
+ val = SMY13(1) | SMY12(0) | SMY11(1) | SMY10(0) |
+ SMY3(3) | SMY2(2) | SMY1(3) | SMY0(2);
+ val1 = CTRL_SAT(0x3);
+ break;
+ case MEDIA_BUS_FMT_SBGGR10_1X10:
+ case MEDIA_BUS_FMT_SBGGR8_1X8:
+ /* 0 1 0 1 2 3 2 3 R Gr R Gr Gb B Gb B */
+ val = SMY13(0) | SMY12(1) | SMY11(0) | SMY10(1) |
+ SMY3(2) | SMY2(3) | SMY1(2) | SMY0(3);
+ val1 = CTRL_SAT(0x1);
+ break;
+ default:
+ val = SMY13(0) | SMY12(1) | SMY11(0) | SMY10(1) |
+ SMY3(2) | SMY2(3) | SMY1(2) | SMY0(3);
+ val1 = CTRL_SAT(0x1);
+ break;
+ }
+ stf_isp_reg_write(stfcamss, ISP_REG_RAW_FORMAT_CFG, val);
+ stf_isp_reg_set_bit(stfcamss, ISP_REG_ISP_CTRL_1, CTRL_SAT_MASK, val1);
+}
+
+void stf_isp_settings(struct stf_isp_dev *isp_dev,
+ struct stf_isp_crop *crop, u32 mcode)
+{
+ struct stfcamss *stfcamss = isp_dev->stfcamss;
+
+ 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));
+ stf_isp_reg_write(stfcamss, ISP_REG_ITIDWLSR, ITI_WSTRIDE(0x960));
+ stf_isp_reg_write(stfcamss, ISP_REG_ITIDRLSR, ITI_STRIDE_L(0x960));
+ stf_isp_reg_write(stfcamss, ISP_REG_SENSOR, 0x1);
+}
+
+void stf_isp_stream_set(struct stf_isp_dev *isp_dev)
+{
+ struct stfcamss *stfcamss = isp_dev->stfcamss;
+
+ stf_isp_reg_write_delay(stfcamss, ISP_REG_ISP_CTRL_0,
+ ISPC_ENUO | ISPC_ENLS | ISPC_RST, 10);
+ stf_isp_reg_write_delay(stfcamss, ISP_REG_ISP_CTRL_0,
+ ISPC_ENUO | ISPC_ENLS, 10);
+ stf_isp_reg_write(stfcamss, ISP_REG_IESHD, SHAD_UP_M);
+ stf_isp_reg_write_delay(stfcamss, ISP_REG_ISP_CTRL_0,
+ ISPC_ENUO | ISPC_ENLS | ISPC_EN, 10);
+ stf_isp_reg_write_delay(stfcamss, ISP_REG_CSIINTS,
+ CSI_INTS(1) | CSI_SHA_M(4), 10);
+ stf_isp_reg_write_delay(stfcamss, ISP_REG_CSIINTS,
+ CSI_INTS(2) | CSI_SHA_M(4), 10);
+ stf_isp_reg_write_delay(stfcamss, ISP_REG_CSI_INPUT_EN_AND_STATUS,
+ CSI_EN_S, 10);
+}
--
2.34.1