Merge tag 'media/v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - videobuf2 was moved to a media/common dir, as it is now used by the
   DVB subsystem too

 - Digital TV core memory mapped support interface

 - new sensor driver: ov7740

 - several improvements at ddbridge driver

 - new V4L2 driver: IPU3 CIO2 CSI-2 receiver unit, found on some Intel
   SoCs

 - new tuner driver: tda18250

 - finally got rid of all LIRC staging drivers

 - as we don't have old lirc drivers anymore, restruct the lirc device
   code

 - add support for UVC metadata

 - add a new staging driver for NVIDIA Tegra Video Decoder Engine

 - DVB kAPI headers moved to include/media

 - synchronize the kAPI and uAPI for the DVB subsystem, removing the gap
   for non-legacy APIs

 - reduce the kAPI gap for V4L2

 - lots of other driver enhancements, cleanups, etc.

* tag 'media/v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (407 commits)
  media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs
  media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic
  media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors
  media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type
  media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32
  media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer
  media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32
  media: v4l2-compat-ioctl32.c: avoid sizeof(type)
  media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32
  media: v4l2-compat-ioctl32.c: fix the indentation
  media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
  media: v4l2-ioctl.c: don't copy back the result for -ENOTTY
  media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt
  media: vivid: fix module load error when enabling fb and no_error_inj=1
  media: dvb_demux: improve debug messages
  media: dvb_demux: Better handle discontinuity errors
  media: cxusb, dib0700: ignore XC2028_I2C_FLUSH
  media: ts2020: avoid integer overflows on 32 bit machines
  media: i2c: ov7740: use gpio/consumer.h instead of gpio.h
  media: entity: Add a nop variant of media_entity_cleanup
  ...

1 files changed, 53 insertions, 16 deletions

diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 314a1edb6189..aed4272d47f5 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -17,6 +17,7 @@
 #define _RC_CORE
 
 #include <linux/spinlock.h>
+#include <linux/cdev.h>
 #include <linux/kfifo.h>
 #include <linux/time.h>
 #include <linux/timer.h>
@@ -30,9 +31,9 @@ do {								\
 } while (0)
 
 /**
- * enum rc_driver_type - type of the RC output
+ * enum rc_driver_type - type of the RC driver.
  *
- * @RC_DRIVER_SCANCODE:	 Driver or hardware generates a scancode
+ * @RC_DRIVER_SCANCODE:	 Driver or hardware generates a scancode.
  * @RC_DRIVER_IR_RAW:	 Driver or hardware generates pulse/space sequences.
  *			 It needs a Infra-Red pulse/space decoder
  * @RC_DRIVER_IR_RAW_TX: Device transmitter only,
@@ -68,6 +69,33 @@ enum rc_filter_type {
 };
 
 /**
+ * struct lirc_fh - represents an open lirc file
+ * @list: list of open file handles
+ * @rc: rcdev for this lirc chardev
+ * @carrier_low: when setting the carrier range, first the low end must be
+ *	set with an ioctl and then the high end with another ioctl
+ * @send_timeout_reports: report timeouts in lirc raw IR.
+ * @rawir: queue for incoming raw IR
+ * @scancodes: queue for incoming decoded scancodes
+ * @wait_poll: poll struct for lirc device
+ * @send_mode: lirc mode for sending, either LIRC_MODE_SCANCODE or
+ *	LIRC_MODE_PULSE
+ * @rec_mode: lirc mode for receiving, either LIRC_MODE_SCANCODE or
+ *	LIRC_MODE_MODE2
+ */
+struct lirc_fh {
+	struct list_head list;
+	struct rc_dev *rc;
+	int				carrier_low;
+	bool				send_timeout_reports;
+	DECLARE_KFIFO_PTR(rawir, unsigned int);
+	DECLARE_KFIFO_PTR(scancodes, struct lirc_scancode);
+	wait_queue_head_t		wait_poll;
+	u8				send_mode;
+	u8				rec_mode;
+};
+
+/**
  * struct rc_dev - represents a remote control device
  * @dev: driver model's view of this device
  * @managed_alloc: devm_rc_allocate_device was used to create rc_dev
@@ -106,6 +134,8 @@ enum rc_filter_type {
  * @keypressed: whether a key is currently pressed
  * @keyup_jiffies: time (in jiffies) when the current keypress should be released
  * @timer_keyup: timer for releasing a keypress
+ * @timer_repeat: timer for autorepeat events. This is needed for CEC, which
+ *	has non-standard repeats.
  * @last_keycode: keycode of last keypress
  * @last_protocol: protocol of last keypress
  * @last_scancode: scancode of last keypress
@@ -115,6 +145,15 @@ enum rc_filter_type {
  * @max_timeout: maximum timeout supported by device
  * @rx_resolution : resolution (in ns) of input sampler
  * @tx_resolution: resolution (in ns) of output sampler
+ * @lirc_dev: lirc device
+ * @lirc_cdev: lirc char cdev
+ * @gap_start: time when gap starts
+ * @gap_duration: duration of initial gap
+ * @gap: true if we're in a gap
+ * @lirc_fh_lock: protects lirc_fh list
+ * @lirc_fh: list of open files
+ * @registered: set to true by rc_register_device(), false by
+ *	rc_unregister_device
  * @change_protocol: allow changing the protocol used on hardware decoders
  * @open: callback to allow drivers to enable polling/irq when IR input device
  *	is opened.
@@ -165,6 +204,7 @@ struct rc_dev {
 	bool				keypressed;
 	unsigned long			keyup_jiffies;
 	struct timer_list		timer_keyup;
+	struct timer_list		timer_repeat;
 	u32				last_keycode;
 	enum rc_proto			last_protocol;
 	u32				last_scancode;
@@ -174,6 +214,16 @@ struct rc_dev {
 	u32				max_timeout;
 	u32				rx_resolution;
 	u32				tx_resolution;
+#ifdef CONFIG_LIRC
+	struct device			lirc_dev;
+	struct cdev			lirc_cdev;
+	ktime_t				gap_start;
+	u64				gap_duration;
+	bool				gap;
+	spinlock_t			lirc_fh_lock;
+	struct list_head		lirc_fh;
+#endif
+	bool				registered;
 	int				(*change_protocol)(struct rc_dev *dev, u64 *rc_proto);
 	int				(*open)(struct rc_dev *dev);
 	void				(*close)(struct rc_dev *dev);
@@ -248,20 +298,6 @@ int devm_rc_register_device(struct device *parent, struct rc_dev *dev);
  */
 void rc_unregister_device(struct rc_dev *dev);
 
-/**
- * rc_open - Opens a RC device
- *
- * @rdev: pointer to struct rc_dev.
- */
-int rc_open(struct rc_dev *rdev);
-
-/**
- * rc_close - Closes a RC device
- *
- * @rdev: pointer to struct rc_dev.
- */
-void rc_close(struct rc_dev *rdev);
-
 void rc_repeat(struct rc_dev *dev);
 void rc_keydown(struct rc_dev *dev, enum rc_proto protocol, u32 scancode,
 		u8 toggle);
@@ -309,6 +345,7 @@ int ir_raw_event_store_with_filter(struct rc_dev *dev,
 void ir_raw_event_set_idle(struct rc_dev *dev, bool idle);
 int ir_raw_encode_scancode(enum rc_proto protocol, u32 scancode,
 			   struct ir_raw_event *events, unsigned int max);
+int ir_raw_encode_carrier(enum rc_proto protocol);
 
 static inline void ir_raw_event_reset(struct rc_dev *dev)
 {