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path: root/drivers/media/platform/qcom/camss/camss-vfe.c
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Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-vfe.c')
-rw-r--r--drivers/media/platform/qcom/camss/camss-vfe.c115
1 files changed, 97 insertions, 18 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index 4839e2cedfe5..2062be668f49 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -14,6 +14,7 @@
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/spinlock_types.h>
#include <linux/spinlock.h>
@@ -474,6 +475,40 @@ void vfe_isr_reset_ack(struct vfe_device *vfe)
complete(&vfe->reset_complete);
}
+/*
+ * vfe_pm_domain_off - Disable power domains specific to this VFE.
+ * @vfe: VFE Device
+ */
+void vfe_pm_domain_off(struct vfe_device *vfe)
+{
+ if (!vfe->genpd)
+ return;
+
+ device_link_del(vfe->genpd_link);
+ vfe->genpd_link = NULL;
+}
+
+/*
+ * vfe_pm_domain_on - Enable power domains specific to this VFE.
+ * @vfe: VFE Device
+ */
+int vfe_pm_domain_on(struct vfe_device *vfe)
+{
+ struct camss *camss = vfe->camss;
+
+ if (!vfe->genpd)
+ return 0;
+
+ vfe->genpd_link = device_link_add(camss->dev, vfe->genpd,
+ DL_FLAG_STATELESS |
+ DL_FLAG_PM_RUNTIME |
+ DL_FLAG_RPM_ACTIVE);
+ if (!vfe->genpd_link)
+ return -EINVAL;
+
+ return 0;
+}
+
static int vfe_match_clock_names(struct vfe_device *vfe,
struct camss_clock *clock)
{
@@ -815,7 +850,7 @@ static int vfe_set_stream(struct v4l2_subdev *sd, int enable)
/*
* __vfe_get_format - Get pointer to format structure
* @line: VFE line
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @pad: pad from which format is requested
* @which: TRY or ACTIVE format
*
@@ -828,8 +863,7 @@ __vfe_get_format(struct vfe_line *line,
enum v4l2_subdev_format_whence which)
{
if (which == V4L2_SUBDEV_FORMAT_TRY)
- return v4l2_subdev_get_try_format(&line->subdev, sd_state,
- pad);
+ return v4l2_subdev_state_get_format(sd_state, pad);
return &line->fmt[pad];
}
@@ -837,7 +871,7 @@ __vfe_get_format(struct vfe_line *line,
/*
* __vfe_get_compose - Get pointer to compose selection structure
* @line: VFE line
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @which: TRY or ACTIVE format
*
* Return pointer to TRY or ACTIVE compose rectangle structure
@@ -848,8 +882,8 @@ __vfe_get_compose(struct vfe_line *line,
enum v4l2_subdev_format_whence which)
{
if (which == V4L2_SUBDEV_FORMAT_TRY)
- return v4l2_subdev_get_try_compose(&line->subdev, sd_state,
- MSM_VFE_PAD_SINK);
+ return v4l2_subdev_state_get_compose(sd_state,
+ MSM_VFE_PAD_SINK);
return &line->compose;
}
@@ -857,7 +891,7 @@ __vfe_get_compose(struct vfe_line *line,
/*
* __vfe_get_crop - Get pointer to crop selection structure
* @line: VFE line
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @which: TRY or ACTIVE format
*
* Return pointer to TRY or ACTIVE crop rectangle structure
@@ -868,8 +902,7 @@ __vfe_get_crop(struct vfe_line *line,
enum v4l2_subdev_format_whence which)
{
if (which == V4L2_SUBDEV_FORMAT_TRY)
- return v4l2_subdev_get_try_crop(&line->subdev, sd_state,
- MSM_VFE_PAD_SRC);
+ return v4l2_subdev_state_get_crop(sd_state, MSM_VFE_PAD_SRC);
return &line->crop;
}
@@ -877,7 +910,7 @@ __vfe_get_crop(struct vfe_line *line,
/*
* vfe_try_format - Handle try format by pad subdev method
* @line: VFE line
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @pad: pad on which format is requested
* @fmt: pointer to v4l2 format structure
* @which: wanted subdev format
@@ -938,7 +971,7 @@ static void vfe_try_format(struct vfe_line *line,
/*
* vfe_try_compose - Handle try compose selection by pad subdev method
* @line: VFE line
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @rect: pointer to v4l2 rect structure
* @which: wanted subdev format
*/
@@ -977,7 +1010,7 @@ static void vfe_try_compose(struct vfe_line *line,
/*
* vfe_try_crop - Handle try crop selection by pad subdev method
* @line: VFE line
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @rect: pointer to v4l2 rect structure
* @which: wanted subdev format
*/
@@ -1020,7 +1053,7 @@ static void vfe_try_crop(struct vfe_line *line,
/*
* vfe_enum_mbus_code - Handle pixel format enumeration
* @sd: VFE V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @code: pointer to v4l2_subdev_mbus_code_enum structure
*
* return -EINVAL or zero on success
@@ -1054,7 +1087,7 @@ static int vfe_enum_mbus_code(struct v4l2_subdev *sd,
/*
* vfe_enum_frame_size - Handle frame size enumeration
* @sd: VFE V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @fse: pointer to v4l2_subdev_frame_size_enum structure
*
* Return -EINVAL or zero on success
@@ -1092,7 +1125,7 @@ static int vfe_enum_frame_size(struct v4l2_subdev *sd,
/*
* vfe_get_format - Handle get format by pads subdev method
* @sd: VFE V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @fmt: pointer to v4l2 subdev format structure
*
* Return -EINVAL or zero on success
@@ -1120,7 +1153,7 @@ static int vfe_set_selection(struct v4l2_subdev *sd,
/*
* vfe_set_format - Handle set format by pads subdev method
* @sd: VFE V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @fmt: pointer to v4l2 subdev format structure
*
* Return -EINVAL or zero on success
@@ -1171,7 +1204,7 @@ static int vfe_set_format(struct v4l2_subdev *sd,
/*
* vfe_get_selection - Handle get selection by pads subdev method
* @sd: VFE V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @sel: pointer to v4l2 subdev selection structure
*
* Return -EINVAL or zero on success
@@ -1241,7 +1274,7 @@ static int vfe_get_selection(struct v4l2_subdev *sd,
/*
* vfe_set_selection - Handle set selection by pads subdev method
* @sd: VFE V4L2 subdevice
- * @cfg: V4L2 subdev pad configuration
+ * @sd_state: V4L2 subdev state
* @sel: pointer to v4l2 subdev selection structure
*
* Return -EINVAL or zero on success
@@ -1347,6 +1380,34 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
if (!res->line_num)
return -EINVAL;
+ /* Power domain */
+
+ if (res->pd_name) {
+ vfe->genpd = dev_pm_domain_attach_by_name(camss->dev,
+ res->pd_name);
+ if (IS_ERR(vfe->genpd)) {
+ ret = PTR_ERR(vfe->genpd);
+ return ret;
+ }
+ }
+
+ if (!vfe->genpd && res->has_pd) {
+ /*
+ * Legacy magic index.
+ * Requires
+ * power-domain = <VFE_X>,
+ * <VFE_Y>,
+ * <TITAN_TOP>
+ * id must correspondng to the index of the VFE which must
+ * come before the TOP GDSC. VFE Lite has no individually
+ * collapasible domain which is why id < vfe_num is a valid
+ * check.
+ */
+ vfe->genpd = dev_pm_domain_attach_by_id(camss->dev, id);
+ if (IS_ERR(vfe->genpd))
+ return PTR_ERR(vfe->genpd);
+ }
+
vfe->line_num = res->line_num;
vfe->ops->subdev_init(dev, vfe);
@@ -1470,6 +1531,19 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
}
/*
+ * msm_vfe_genpd_cleanup - Cleanup VFE genpd linkages
+ * @vfe: VFE device
+ */
+void msm_vfe_genpd_cleanup(struct vfe_device *vfe)
+{
+ if (vfe->genpd_link)
+ device_link_del(vfe->genpd_link);
+
+ if (vfe->genpd)
+ dev_pm_domain_detach(vfe->genpd, true);
+}
+
+/*
* vfe_link_setup - Setup VFE connections
* @entity: Pointer to media entity structure
* @local: Pointer to local pad
@@ -1663,3 +1737,8 @@ void msm_vfe_unregister_entities(struct vfe_device *vfe)
media_entity_cleanup(&sd->entity);
}
}
+
+bool vfe_is_lite(struct vfe_device *vfe)
+{
+ return vfe->camss->res->vfe_res[vfe->id].is_lite;
+}
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-17 19:39:24 +0000