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Subject: media: qcom: camss: Move vfe_disable into a common routine where
applicable
Author: Bryan O'Donoghue <bryan.odonog...@linaro.org>
Date: Mon Sep 25 16:47:05 2023 +0100
We can move vfe_disable() into a common routine in the core VFE file
provided we make wm_stop() a VFE specific callback.
The callback is required to capture the case where VFE 17x currently isn't
VC enabled where as VFE 480 is.
Suggested-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Bryan O'Donoghue <bryan.odonog...@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/platform/qcom/camss/camss-vfe-170.c | 40 +----------------------
drivers/media/platform/qcom/camss/camss-vfe-480.c | 40 +----------------------
drivers/media/platform/qcom/camss/camss-vfe.c | 39 ++++++++++++++++++++++
drivers/media/platform/qcom/camss/camss-vfe.h | 9 +++++
4 files changed, 50 insertions(+), 78 deletions(-)
---
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-170.c
b/drivers/media/platform/qcom/camss/camss-vfe-170.c
index a5aa79950186..0b211fed1276 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-170.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-170.c
@@ -494,22 +494,6 @@ static int vfe_enable_output(struct vfe_line *line)
return 0;
}
-static void vfe_disable_output(struct vfe_line *line)
-{
- struct vfe_device *vfe = to_vfe(line);
- struct vfe_output *output = &line->output;
- unsigned long flags;
- unsigned int i;
-
- spin_lock_irqsave(&vfe->output_lock, flags);
- for (i = 0; i < output->wm_num; i++)
- vfe_wm_stop(vfe, output->wm_idx[i]);
- output->gen2.active_num = 0;
- spin_unlock_irqrestore(&vfe->output_lock, flags);
-
- vfe_reset(vfe);
-}
-
/*
* vfe_enable - Enable streaming on VFE line
* @line: VFE line
@@ -555,29 +539,6 @@ error_get_output:
return ret;
}
-/*
- * vfe_disable - Disable streaming on VFE line
- * @line: VFE line
- *
- * Return 0 on success or a negative error code otherwise
- */
-static int vfe_disable(struct vfe_line *line)
-{
- struct vfe_device *vfe = to_vfe(line);
-
- vfe_disable_output(line);
-
- vfe_put_output(line);
-
- mutex_lock(&vfe->stream_lock);
-
- vfe->stream_count--;
-
- mutex_unlock(&vfe->stream_lock);
-
- return 0;
-}
-
/*
* vfe_isr_sof - Process start of frame interrupt
* @vfe: VFE Device
@@ -770,4 +731,5 @@ const struct vfe_hw_ops vfe_ops_170 = {
.vfe_enable = vfe_enable,
.vfe_halt = vfe_halt,
.violation_read = vfe_violation_read,
+ .vfe_wm_stop = vfe_wm_stop,
};
diff --git a/drivers/media/platform/qcom/camss/camss-vfe-480.c
b/drivers/media/platform/qcom/camss/camss-vfe-480.c
index 43a2964121f2..f2368b77fc6d 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe-480.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe-480.c
@@ -327,22 +327,6 @@ static int vfe_enable_output(struct vfe_line *line)
return 0;
}
-static void vfe_disable_output(struct vfe_line *line)
-{
- struct vfe_device *vfe = to_vfe(line);
- struct vfe_output *output = &line->output;
- unsigned long flags;
- unsigned int i;
-
- spin_lock_irqsave(&vfe->output_lock, flags);
- for (i = 0; i < output->wm_num; i++)
- vfe_wm_stop(vfe, output->wm_idx[i]);
- output->gen2.active_num = 0;
- spin_unlock_irqrestore(&vfe->output_lock, flags);
-
- vfe_reset(vfe);
-}
-
/*
* vfe_enable - Enable streaming on VFE line
* @line: VFE line
@@ -390,29 +374,6 @@ error_get_output:
return ret;
}
-/*
- * vfe_disable - Disable streaming on VFE line
- * @line: VFE line
- *
- * Return 0 on success or a negative error code otherwise
- */
-static int vfe_disable(struct vfe_line *line)
-{
- struct vfe_device *vfe = to_vfe(line);
-
- vfe_disable_output(line);
-
- vfe_put_output(line);
-
- mutex_lock(&vfe->stream_lock);
-
- vfe->stream_count--;
-
- mutex_unlock(&vfe->stream_lock);
-
- return 0;
-}
-
/*
* vfe_isr_reg_update - Process reg update interrupt
* @vfe: VFE Device
@@ -581,4 +542,5 @@ const struct vfe_hw_ops vfe_ops_480 = {
.vfe_disable = vfe_disable,
.vfe_enable = vfe_enable,
.vfe_halt = vfe_halt,
+ .vfe_wm_stop = vfe_wm_stop,
};
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c
b/drivers/media/platform/qcom/camss/camss-vfe.c
index 4db0d0a1c6a5..b3d5af7f0969 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -410,6 +410,45 @@ int vfe_put_output(struct vfe_line *line)
return 0;
}
+static int vfe_disable_output(struct vfe_line *line)
+{
+ struct vfe_device *vfe = to_vfe(line);
+ struct vfe_output *output = &line->output;
+ unsigned long flags;
+ unsigned int i;
+
+ spin_lock_irqsave(&vfe->output_lock, flags);
+ for (i = 0; i < output->wm_num; i++)
+ vfe->ops->vfe_wm_stop(vfe, output->wm_idx[i]);
+ output->gen2.active_num = 0;
+ spin_unlock_irqrestore(&vfe->output_lock, flags);
+
+ return vfe_reset(vfe);
+}
+
+/*
+ * vfe_disable - Disable streaming on VFE line
+ * @line: VFE line
+ *
+ * Return 0 on success or a negative error code otherwise
+ */
+int vfe_disable(struct vfe_line *line)
+{
+ struct vfe_device *vfe = to_vfe(line);
+
+ vfe_disable_output(line);
+
+ vfe_put_output(line);
+
+ mutex_lock(&vfe->stream_lock);
+
+ vfe->stream_count--;
+
+ mutex_unlock(&vfe->stream_lock);
+
+ return 0;
+}
+
/**
* vfe_isr_comp_done() - Process composite image done interrupt
* @vfe: VFE Device
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h
b/drivers/media/platform/qcom/camss/camss-vfe.h
index 4783afa73a36..09baded0dcdd 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.h
+++ b/drivers/media/platform/qcom/camss/camss-vfe.h
@@ -114,6 +114,7 @@ struct vfe_hw_ops {
int (*vfe_enable)(struct vfe_line *line);
int (*vfe_halt)(struct vfe_device *vfe);
void (*violation_read)(struct vfe_device *vfe);
+ void (*vfe_wm_stop)(struct vfe_device *vfe, u8 wm);
};
struct vfe_isr_ops {
@@ -192,6 +193,14 @@ int vfe_reserve_wm(struct vfe_device *vfe, enum
vfe_line_id line_id);
*/
int vfe_reset(struct vfe_device *vfe);
+/*
+ * vfe_disable - Disable streaming on VFE line
+ * @line: VFE line
+ *
+ * Return 0 on success or a negative error code otherwise
+ */
+int vfe_disable(struct vfe_line *line);
+
extern const struct vfe_hw_ops vfe_ops_4_1;
extern const struct vfe_hw_ops vfe_ops_4_7;
extern const struct vfe_hw_ops vfe_ops_4_8;
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