Merge tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - New staging driver for Rockship ISPv1 unit

 - New staging driver for Rockchip MIPI Synopsys DPHY RX0

 - y2038 fixes at V4L2 API (backward-compatible)

 - A dvb core fix when receiving invalid EIT sections

 - Some clang-specific warnings got fixed

 - Added support for touch V4L2 interface at vivid

 - Several drivers were converted to use the new
   i2c_new_scanned_device() kAPI

 - Added sm1 support at meson's vdec driver

 - Several other driver cleanups, fixes and improvements

* tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (207 commits)
  media: staging/intel-ipu3: remove TODO item about acronyms
  media: v4l2-fwnode: Print the node name while parsing endpoints
  media: Revert "media: staging/intel-ipu3: make imgu use fixed running mode"
  media: mt9v111: constify copied structure
  media: platform: VIDEO_MEDIATEK_JPEG can also depend on MTK_IOMMU
  media: uvcvideo: Add a quirk to force GEO GC6500 Camera bits-per-pixel value
  media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
  media: hantro: fix post-processing NULL pointer dereference
  media: rcar-vin: Use correct pixel format when aligning format
  media: MAINTAINERS: add entry for Rockchip ISP1 driver
  media: staging: rkisp1: add TODO file for staging
  media: staging: rkisp1: add document for rkisp1 meta buffer format
  media: staging: rkisp1: add output device for parameters
  media: staging: rkisp1: add capture device for statistics
  media: staging: rkisp1: add user space ABI definitions
  media: staging: rkisp1: add streaming paths
  media: staging: rkisp1: add Rockchip ISP1 base driver
  media: staging: phy-rockchip-dphy-rx0: add Rockchip MIPI Synopsys DPHY RX0 driver
  media: staging: dt-bindings: add Rockchip MIPI RX D-PHY RX0 yaml bindings
  media: staging: dt-bindings: add Rockchip ISP1 yaml bindings
  ...

10 files changed, 119 insertions, 85 deletions

diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 985afea1ee36..139e93be13b0 100644
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -37,12 +37,6 @@ struct cec_notifier *cec_notifier_get_conn(struct device *dev,
 					   const char *conn);
 
 /**
- * cec_notifier_put - decrease refcount and delete when the refcount reaches 0.
- * @n: notifier
- */
-void cec_notifier_put(struct cec_notifier *n);
-
-/**
  * cec_notifier_conn_register - find or create a new cec_notifier for the given
  * HDMI device and connector tuple.
  * @hdmi_dev: HDMI device that sends the events.
@@ -138,10 +132,6 @@ static inline struct cec_notifier *cec_notifier_get_conn(struct device *dev,
 	return (struct cec_notifier *)0xdeadfeed;
 }
 
-static inline void cec_notifier_put(struct cec_notifier *n)
-{
-}
-
 static inline struct cec_notifier *
 cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
 			   const struct cec_connector_info *conn_info)
@@ -184,23 +174,6 @@ static inline struct device *cec_notifier_parse_hdmi_phandle(struct device *dev)
 #endif
 
 /**
- * cec_notifier_get - find or create a new cec_notifier for the given device.
- * @dev: device that sends the events.
- *
- * If a notifier for device @dev already exists, then increase the refcount
- * and return that notifier.
- *
- * If it doesn't exist, then allocate a new notifier struct and return a
- * pointer to that new struct.
- *
- * Return NULL if the memory could not be allocated.
- */
-static inline struct cec_notifier *cec_notifier_get(struct device *dev)
-{
-	return cec_notifier_get_conn(dev, NULL);
-}
-
-/**
  * cec_notifier_phys_addr_invalidate() - set the physical address to INVALID
  *
  * @n: the CEC notifier
diff --git a/include/media/cec.h b/include/media/cec.h
index 0a4f69cc9dd4..972bc8cd4384 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -386,52 +386,6 @@ cec_fill_conn_info_from_drm(struct cec_connector_info *conn_info,
 
 #endif
 
-#if IS_REACHABLE(CONFIG_CEC_CORE) && IS_ENABLED(CONFIG_CEC_NOTIFIER)
-
-/**
- * cec_notifier_register - register a callback with the notifier
- * @n: the CEC notifier
- * @adap: the CEC adapter, passed as argument to the callback function
- * @callback: the callback function
- */
-void cec_notifier_register(struct cec_notifier *n,
-			   struct cec_adapter *adap,
-			   void (*callback)(struct cec_adapter *adap, u16 pa));
-
-/**
- * cec_notifier_unregister - unregister the callback from the notifier.
- * @n: the CEC notifier
- */
-void cec_notifier_unregister(struct cec_notifier *n);
-
-/**
- * cec_register_cec_notifier - register the notifier with the cec adapter.
- * @adap: the CEC adapter
- * @notifier: the CEC notifier
- */
-void cec_register_cec_notifier(struct cec_adapter *adap,
-			       struct cec_notifier *notifier);
-
-#else
-
-static inline void
-cec_notifier_register(struct cec_notifier *n,
-		      struct cec_adapter *adap,
-		      void (*callback)(struct cec_adapter *adap, u16 pa))
-{
-}
-
-static inline void cec_notifier_unregister(struct cec_notifier *n)
-{
-}
-
-static inline void cec_register_cec_notifier(struct cec_adapter *adap,
-					     struct cec_notifier *notifier)
-{
-}
-
-#endif
-
 /**
  * cec_phys_addr_invalidate() - set the physical address to INVALID
  *
diff --git a/include/media/dvb-usb-ids.h b/include/media/dvb-usb-ids.h
index 1409230ad3a4..800d473b03c4 100644
--- a/include/media/dvb-usb-ids.h
+++ b/include/media/dvb-usb-ids.h
@@ -180,6 +180,7 @@
 #define USB_PID_TERRATEC_CINERGY_T_STICK_RC		0x0097
 #define USB_PID_TERRATEC_CINERGY_T_STICK_DUAL_RC	0x0099
 #define USB_PID_TERRATEC_CINERGY_T_STICK_BLACK_REV1	0x00a9
+#define USB_PID_TERRATEC_CINERGY_TC2_STICK		0x10b2
 #define USB_PID_TWINHAN_VP7041_COLD			0x3201
 #define USB_PID_TWINHAN_VP7041_WARM			0x3202
 #define USB_PID_TWINHAN_VP7020_COLD			0x3203
@@ -425,4 +426,5 @@
 #define USB_PID_EVOLVEO_XTRATV_STICK			0xa115
 #define USB_PID_HAMA_DVBT_HYBRID			0x2758
 #define USB_PID_XBOX_ONE_TUNER                          0x02d5
+#define USB_PID_PROLECTRIX_DV107669                     0xd803
 #endif
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index d8c29e089000..150ee16ebd81 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -14,6 +14,7 @@
 #ifndef V4L2_COMMON_H_
 #define V4L2_COMMON_H_
 
+#include <linux/time.h>
 #include <media/v4l2-dev.h>
 
 /* Common printk constructs for v4l-i2c drivers. These macros create a unique
@@ -518,4 +519,24 @@ int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat,
 int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat,
 			u32 width, u32 height);
 
+static inline u64 v4l2_buffer_get_timestamp(const struct v4l2_buffer *buf)
+{
+	/*
+	 * When the timestamp comes from 32-bit user space, there may be
+	 * uninitialized data in tv_usec, so cast it to u32.
+	 * Otherwise allow invalid input for backwards compatibility.
+	 */
+	return buf->timestamp.tv_sec * NSEC_PER_SEC +
+		(u32)buf->timestamp.tv_usec * NSEC_PER_USEC;
+}
+
+static inline void v4l2_buffer_set_timestamp(struct v4l2_buffer *buf,
+					     u64 timestamp)
+{
+	struct timespec64 ts = ns_to_timespec64(timestamp);
+
+	buf->timestamp.tv_sec  = ts.tv_sec;
+	buf->timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+}
+
 #endif /* V4L2_COMMON_H_ */
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
index 5f36e0d2ede6..95353ae476a1 100644
--- a/include/media/v4l2-device.h
+++ b/include/media/v4l2-device.h
@@ -371,7 +371,7 @@ static inline bool v4l2_device_supports_requests(struct v4l2_device *v4l2_dev)
 		struct v4l2_subdev *__sd;				\
 									\
 		__v4l2_device_call_subdevs_p(v4l2_dev, __sd,		\
-			!(grpid) || __sd->grp_id == (grpid), o, f ,	\
+			(grpid) == 0 || __sd->grp_id == (grpid), o, f ,	\
 			##args);					\
 	} while (0)
 
@@ -403,7 +403,7 @@ static inline bool v4l2_device_supports_requests(struct v4l2_device *v4l2_dev)
 ({									\
 	struct v4l2_subdev *__sd;					\
 	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd,		\
-			!(grpid) || __sd->grp_id == (grpid), o, f ,	\
+			(grpid) == 0 || __sd->grp_id == (grpid), o, f ,	\
 			##args);					\
 })
 
@@ -431,8 +431,8 @@ static inline bool v4l2_device_supports_requests(struct v4l2_device *v4l2_dev)
 		struct v4l2_subdev *__sd;				\
 									\
 		__v4l2_device_call_subdevs_p(v4l2_dev, __sd,		\
-			!(grpmsk) || (__sd->grp_id & (grpmsk)), o, f ,	\
-			##args);					\
+			(grpmsk) == 0 || (__sd->grp_id & (grpmsk)), o,	\
+			f , ##args);					\
 	} while (0)
 
 /**
@@ -462,8 +462,8 @@ static inline bool v4l2_device_supports_requests(struct v4l2_device *v4l2_dev)
 ({									\
 	struct v4l2_subdev *__sd;					\
 	__v4l2_device_call_subdevs_until_err_p(v4l2_dev, __sd,		\
-			!(grpmsk) || (__sd->grp_id & (grpmsk)), o, f ,	\
-			##args);					\
+			(grpmsk) == 0 || (__sd->grp_id & (grpmsk)), o,	\
+			f , ##args);					\
 })
 
 
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 4bba65a59d46..86878fba332b 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -724,4 +724,59 @@ long int video_usercopy(struct file *file, unsigned int cmd,
 long int video_ioctl2(struct file *file,
 		      unsigned int cmd, unsigned long int arg);
 
+/*
+ * The user space interpretation of the 'v4l2_event' differs
+ * based on the 'time_t' definition on 32-bit architectures, so
+ * the kernel has to handle both.
+ * This is the old version for 32-bit architectures.
+ */
+struct v4l2_event_time32 {
+	__u32				type;
+	union {
+		struct v4l2_event_vsync		vsync;
+		struct v4l2_event_ctrl		ctrl;
+		struct v4l2_event_frame_sync	frame_sync;
+		struct v4l2_event_src_change	src_change;
+		struct v4l2_event_motion_det	motion_det;
+		__u8				data[64];
+	} u;
+	__u32				pending;
+	__u32				sequence;
+	struct old_timespec32		timestamp;
+	__u32				id;
+	__u32				reserved[8];
+};
+
+#define	VIDIOC_DQEVENT_TIME32	 _IOR('V', 89, struct v4l2_event_time32)
+
+struct v4l2_buffer_time32 {
+	__u32			index;
+	__u32			type;
+	__u32			bytesused;
+	__u32			flags;
+	__u32			field;
+	struct old_timeval32	timestamp;
+	struct v4l2_timecode	timecode;
+	__u32			sequence;
+
+	/* memory location */
+	__u32			memory;
+	union {
+		__u32           offset;
+		unsigned long   userptr;
+		struct v4l2_plane *planes;
+		__s32		fd;
+	} m;
+	__u32			length;
+	__u32			reserved2;
+	union {
+		__s32		request_fd;
+		__u32		reserved;
+	};
+};
+#define VIDIOC_QUERYBUF_TIME32	_IOWR('V',  9, struct v4l2_buffer_time32)
+#define VIDIOC_QBUF_TIME32	_IOWR('V', 15, struct v4l2_buffer_time32)
+#define VIDIOC_DQBUF_TIME32	_IOWR('V', 17, struct v4l2_buffer_time32)
+#define VIDIOC_PREPARE_BUF_TIME32 _IOWR('V', 93, struct v4l2_buffer_time32)
+
 #endif /* _V4L2_IOCTL_H */
diff --git a/include/media/v4l2-rect.h b/include/media/v4l2-rect.h
index c86474dc7b55..8800a640c224 100644
--- a/include/media/v4l2-rect.h
+++ b/include/media/v4l2-rect.h
@@ -63,10 +63,10 @@ static inline void v4l2_rect_map_inside(struct v4l2_rect *r,
 		r->left = boundary->left;
 	if (r->top < boundary->top)
 		r->top = boundary->top;
-	if (r->left + r->width > boundary->width)
-		r->left = boundary->width - r->width;
-	if (r->top + r->height > boundary->height)
-		r->top = boundary->height - r->height;
+	if (r->left + r->width > boundary->left + boundary->width)
+		r->left = boundary->left + boundary->width - r->width;
+	if (r->top + r->height > boundary->top + boundary->height)
+		r->top = boundary->top + boundary->height - r->height;
 }
 
 /**
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 71f1f2f0da53..761aa83a3f3c 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -1090,7 +1090,7 @@ extern const struct v4l2_subdev_ops v4l2_subdev_call_wrappers;
  * @sd: pointer to the &struct v4l2_subdev
  * @o: name of the element at &struct v4l2_subdev_ops that contains @f.
  *     Each element there groups a set of callbacks functions.
- * @f: callback function that will be called if @cond matches.
+ * @f: callback function to be called.
  *     The callback functions are defined in groups, according to
  *     each element at &struct v4l2_subdev_ops.
  * @args...: arguments for @f.
diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h
index 83860de120e3..248bc09bfc99 100644
--- a/include/trace/events/v4l2.h
+++ b/include/trace/events/v4l2.h
@@ -130,7 +130,7 @@ DECLARE_EVENT_CLASS(v4l2_event_class,
 		__entry->bytesused = buf->bytesused;
 		__entry->flags = buf->flags;
 		__entry->field = buf->field;
-		__entry->timestamp = timeval_to_ns(&buf->timestamp);
+		__entry->timestamp = v4l2_buffer_get_timestamp(buf);
 		__entry->timecode_type = buf->timecode.type;
 		__entry->timecode_flags = buf->timecode.flags;
 		__entry->timecode_frames = buf->timecode.frames;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 04481c717fee..5f9357dcb060 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -912,6 +912,25 @@ struct v4l2_jpegcompression {
 /*
  *	M E M O R Y - M A P P I N G   B U F F E R S
  */
+
+#ifdef __KERNEL__
+/*
+ * This corresponds to the user space version of timeval
+ * for 64-bit time_t. sparc64 is different from everyone
+ * else, using the microseconds in the wrong half of the
+ * second 64-bit word.
+ */
+struct __kernel_v4l2_timeval {
+	long long	tv_sec;
+#if defined(__sparc__) && defined(__arch64__)
+	int		tv_usec;
+	int		__pad;
+#else
+	long long	tv_usec;
+#endif
+};
+#endif
+
 struct v4l2_requestbuffers {
 	__u32			count;
 	__u32			type;		/* enum v4l2_buf_type */
@@ -997,7 +1016,11 @@ struct v4l2_buffer {
 	__u32			bytesused;
 	__u32			flags;
 	__u32			field;
+#ifdef __KERNEL__
+	struct __kernel_v4l2_timeval timestamp;
+#else
 	struct timeval		timestamp;
+#endif
 	struct v4l2_timecode	timecode;
 	__u32			sequence;
 
@@ -1017,6 +1040,7 @@ struct v4l2_buffer {
 	};
 };
 
+#ifndef __KERNEL__
 /**
  * v4l2_timeval_to_ns - Convert timeval to nanoseconds
  * @ts:		pointer to the timeval variable to be converted
@@ -1028,6 +1052,7 @@ static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
 {
 	return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
 }
+#endif
 
 /*  Flags for 'flags' field */
 /* Buffer is mapped (flag) */
@@ -2339,7 +2364,11 @@ struct v4l2_event {
 	} u;
 	__u32				pending;
 	__u32				sequence;
+#ifdef __KERNEL__
+	struct __kernel_timespec	timestamp;
+#else
 	struct timespec			timestamp;
+#endif
 	__u32				id;
 	__u32				reserved[8];
 };