Linux-libre 4.2-gnu

13 files changed, 271 insertions, 108 deletions

diff --git a/include/media/adp1653.h b/include/media/adp1653.h
index 1d9b48a3b..9779c8549 100644
--- a/include/media/adp1653.h
+++ b/include/media/adp1653.h
@@ -100,9 +100,11 @@ struct adp1653_platform_data {
 	int (*power)(struct v4l2_subdev *sd, int on);
 
 	u32 max_flash_timeout;		/* flash light timeout in us */
-	u32 max_flash_intensity;	/* led intensity, flash mode */
-	u32 max_torch_intensity;	/* led intensity, torch mode */
-	u32 max_indicator_intensity;	/* indicator led intensity */
+	u32 max_flash_intensity;	/* led intensity, flash mode, mA */
+	u32 max_torch_intensity;	/* led intensity, torch mode, mA */
+	u32 max_indicator_intensity;	/* indicator led intensity, uA */
+
+	struct gpio_desc *enable_gpio;	/* for device-tree based boot */
 };
 
 #define to_adp1653_flash(sd)	container_of(sd, struct adp1653_flash, subdev)
diff --git a/include/media/adv7511.h b/include/media/adv7511.h
index bb78bed9a..d83b91d80 100644
--- a/include/media/adv7511.h
+++ b/include/media/adv7511.h
@@ -40,9 +40,10 @@ struct adv7511_cec_arg {
 };
 
 struct adv7511_platform_data {
-	uint8_t i2c_edid;
-	uint8_t i2c_cec;
-	uint32_t cec_clk;
+	u8 i2c_edid;
+	u8 i2c_cec;
+	u8 i2c_pktmem;
+	u32 cec_clk;
 };
 
 #endif
diff --git a/include/media/adv7604.h b/include/media/adv7604.h
index 9ecf35316..a913859bf 100644
--- a/include/media/adv7604.h
+++ b/include/media/adv7604.h
@@ -168,6 +168,5 @@ enum adv76xx_pad {
 
 /* notify events */
 #define ADV76XX_HOTPLUG		1
-#define ADV76XX_FMT_CHANGE	2
 
 #endif
diff --git a/include/media/adv7842.h b/include/media/adv7842.h
index 924cbb8d0..bc249709b 100644
--- a/include/media/adv7842.h
+++ b/include/media/adv7842.h
@@ -30,14 +30,38 @@ enum adv7842_ain_sel {
 	ADV7842_AIN9_4_5_6_SYNC_2_1 = 4,
 };
 
-/* Bus rotation and reordering (IO register 0x04, [7:5]) */
-enum adv7842_op_ch_sel {
-	ADV7842_OP_CH_SEL_GBR = 0,
-	ADV7842_OP_CH_SEL_GRB = 1,
-	ADV7842_OP_CH_SEL_BGR = 2,
-	ADV7842_OP_CH_SEL_RGB = 3,
-	ADV7842_OP_CH_SEL_BRG = 4,
-	ADV7842_OP_CH_SEL_RBG = 5,
+/*
+ * Bus rotation and reordering. This is used to specify component reordering on
+ * the board and describes the components order on the bus when the ADV7842
+ * outputs RGB.
+ */
+enum adv7842_bus_order {
+	ADV7842_BUS_ORDER_RGB,		/* No operation	*/
+	ADV7842_BUS_ORDER_GRB,		/* Swap 1-2	*/
+	ADV7842_BUS_ORDER_RBG,		/* Swap 2-3	*/
+	ADV7842_BUS_ORDER_BGR,		/* Swap 1-3	*/
+	ADV7842_BUS_ORDER_BRG,		/* Rotate right	*/
+	ADV7842_BUS_ORDER_GBR,		/* Rotate left	*/
+};
+
+/* Input Color Space (IO register 0x02, [7:4]) */
+enum adv7842_inp_color_space {
+	ADV7842_INP_COLOR_SPACE_LIM_RGB = 0,
+	ADV7842_INP_COLOR_SPACE_FULL_RGB = 1,
+	ADV7842_INP_COLOR_SPACE_LIM_YCbCr_601 = 2,
+	ADV7842_INP_COLOR_SPACE_LIM_YCbCr_709 = 3,
+	ADV7842_INP_COLOR_SPACE_XVYCC_601 = 4,
+	ADV7842_INP_COLOR_SPACE_XVYCC_709 = 5,
+	ADV7842_INP_COLOR_SPACE_FULL_YCbCr_601 = 6,
+	ADV7842_INP_COLOR_SPACE_FULL_YCbCr_709 = 7,
+	ADV7842_INP_COLOR_SPACE_AUTO = 0xf,
+};
+
+/* Select output format (IO register 0x03, [4:2]) */
+enum adv7842_op_format_mode_sel {
+	ADV7842_OP_FORMAT_MODE0 = 0x00,
+	ADV7842_OP_FORMAT_MODE1 = 0x04,
+	ADV7842_OP_FORMAT_MODE2 = 0x08,
 };
 
 /* Mode of operation */
@@ -61,44 +85,6 @@ enum adv7842_vid_std_select {
 	ADV7842_HDMI_COMP_VID_STD_HD_1250P = 0x1e,
 };
 
-/* Input Color Space (IO register 0x02, [7:4]) */
-enum adv7842_inp_color_space {
-	ADV7842_INP_COLOR_SPACE_LIM_RGB = 0,
-	ADV7842_INP_COLOR_SPACE_FULL_RGB = 1,
-	ADV7842_INP_COLOR_SPACE_LIM_YCbCr_601 = 2,
-	ADV7842_INP_COLOR_SPACE_LIM_YCbCr_709 = 3,
-	ADV7842_INP_COLOR_SPACE_XVYCC_601 = 4,
-	ADV7842_INP_COLOR_SPACE_XVYCC_709 = 5,
-	ADV7842_INP_COLOR_SPACE_FULL_YCbCr_601 = 6,
-	ADV7842_INP_COLOR_SPACE_FULL_YCbCr_709 = 7,
-	ADV7842_INP_COLOR_SPACE_AUTO = 0xf,
-};
-
-/* Select output format (IO register 0x03, [7:0]) */
-enum adv7842_op_format_sel {
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_8 = 0x00,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_10 = 0x01,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_12_MODE0 = 0x02,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_12_MODE1 = 0x06,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_12_MODE2 = 0x0a,
-	ADV7842_OP_FORMAT_SEL_DDR_422_8 = 0x20,
-	ADV7842_OP_FORMAT_SEL_DDR_422_10 = 0x21,
-	ADV7842_OP_FORMAT_SEL_DDR_422_12_MODE0 = 0x22,
-	ADV7842_OP_FORMAT_SEL_DDR_422_12_MODE1 = 0x23,
-	ADV7842_OP_FORMAT_SEL_DDR_422_12_MODE2 = 0x24,
-	ADV7842_OP_FORMAT_SEL_SDR_444_24 = 0x40,
-	ADV7842_OP_FORMAT_SEL_SDR_444_30 = 0x41,
-	ADV7842_OP_FORMAT_SEL_SDR_444_36_MODE0 = 0x42,
-	ADV7842_OP_FORMAT_SEL_DDR_444_24 = 0x60,
-	ADV7842_OP_FORMAT_SEL_DDR_444_30 = 0x61,
-	ADV7842_OP_FORMAT_SEL_DDR_444_36 = 0x62,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_16 = 0x80,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_20 = 0x81,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_24_MODE0 = 0x82,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_24_MODE1 = 0x86,
-	ADV7842_OP_FORMAT_SEL_SDR_ITU656_24_MODE2 = 0x8a,
-};
-
 enum adv7842_select_input {
 	ADV7842_SELECT_HDMI_PORT_A,
 	ADV7842_SELECT_HDMI_PORT_B,
@@ -117,35 +103,35 @@ enum adv7842_drive_strength {
 
 struct adv7842_sdp_csc_coeff {
 	bool manual;
-	uint16_t scaling;
-	uint16_t A1;
-	uint16_t A2;
-	uint16_t A3;
-	uint16_t A4;
-	uint16_t B1;
-	uint16_t B2;
-	uint16_t B3;
-	uint16_t B4;
-	uint16_t C1;
-	uint16_t C2;
-	uint16_t C3;
-	uint16_t C4;
+	u16 scaling;
+	u16 A1;
+	u16 A2;
+	u16 A3;
+	u16 A4;
+	u16 B1;
+	u16 B2;
+	u16 B3;
+	u16 B4;
+	u16 C1;
+	u16 C2;
+	u16 C3;
+	u16 C4;
 };
 
 struct adv7842_sdp_io_sync_adjustment {
 	bool adjust;
-	uint16_t hs_beg;
-	uint16_t hs_width;
-	uint16_t de_beg;
-	uint16_t de_end;
-	uint8_t vs_beg_o;
-	uint8_t vs_beg_e;
-	uint8_t vs_end_o;
-	uint8_t vs_end_e;
-	uint8_t de_v_beg_o;
-	uint8_t de_v_beg_e;
-	uint8_t de_v_end_o;
-	uint8_t de_v_end_e;
+	u16 hs_beg;
+	u16 hs_width;
+	u16 de_beg;
+	u16 de_end;
+	u8 vs_beg_o;
+	u8 vs_beg_e;
+	u8 vs_end_o;
+	u8 vs_end_e;
+	u8 de_v_beg_o;
+	u8 de_v_beg_e;
+	u8 de_v_end_o;
+	u8 de_v_end_e;
 };
 
 /* Platform dependent definition */
@@ -163,7 +149,10 @@ struct adv7842_platform_data {
 	enum adv7842_ain_sel ain_sel;
 
 	/* Bus rotation and reordering */
-	enum adv7842_op_ch_sel op_ch_sel;
+	enum adv7842_bus_order bus_order;
+
+	/* Select output format mode */
+	enum adv7842_op_format_mode_sel op_format_mode_sel;
 
 	/* Default mode */
 	enum adv7842_mode mode;
@@ -174,20 +163,15 @@ struct adv7842_platform_data {
 	/* Video standard */
 	enum adv7842_vid_std_select vid_std_select;
 
-	/* Select output format */
-	enum adv7842_op_format_sel op_format_sel;
-
 	/* IO register 0x02 */
 	unsigned alt_gamma:1;
 	unsigned op_656_range:1;
-	unsigned rgb_out:1;
 	unsigned alt_data_sat:1;
 
 	/* IO register 0x05 */
 	unsigned blank_data:1;
 	unsigned insert_av_codes:1;
 	unsigned replicate_av_codes:1;
-	unsigned invert_cbcr:1;
 
 	/* IO register 0x30 */
 	unsigned output_bus_lsb_to_msb:1;
@@ -246,9 +230,6 @@ struct adv7842_platform_data {
 #define V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL	(V4L2_CID_DV_CLASS_BASE + 0x1001)
 #define V4L2_CID_ADV_RX_FREE_RUN_COLOR		(V4L2_CID_DV_CLASS_BASE + 0x1002)
 
-/* notify events */
-#define ADV7842_FMT_CHANGE	1
-
 /* custom ioctl, used to test the external RAM that's used by the
  * deinterlacer. */
 #define ADV7842_CMD_RAM_TEST _IO('V', BASE_VIDIOC_PRIVATE)
@@ -256,5 +237,6 @@ struct adv7842_platform_data {
 #define ADV7842_EDID_PORT_A   0
 #define ADV7842_EDID_PORT_B   1
 #define ADV7842_EDID_PORT_VGA 2
+#define ADV7842_PAD_SOURCE    3
 
 #endif
diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index 2c7fbca40..644bdc61c 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -239,7 +239,7 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev)
 	memset(ev, 0, sizeof(*ev));
 }
 
-#define IR_MAX_DURATION         0xFFFFFFFF      /* a bit more than 4 seconds */
+#define IR_MAX_DURATION         500000000	/* 500 ms */
 #define US_TO_NS(usec)		((usec) * 1000)
 #define MS_TO_US(msec)		((msec) * 1000)
 #define MS_TO_NS(msec)		((msec) * 1000 * 1000)
diff --git a/include/media/rc-map.h b/include/media/rc-map.h
index e7a151407..27763d5bd 100644
--- a/include/media/rc-map.h
+++ b/include/media/rc-map.h
@@ -194,7 +194,10 @@ void rc_map_init(void);
 #define RC_MAP_SNAPSTREAM_FIREFLY        "rc-snapstream-firefly"
 #define RC_MAP_STREAMZAP                 "rc-streamzap"
 #define RC_MAP_TBS_NEC                   "rc-tbs-nec"
+#define RC_MAP_TECHNISAT_TS35            "rc-technisat-ts35"
 #define RC_MAP_TECHNISAT_USB2            "rc-technisat-usb2"
+#define RC_MAP_TERRATEC_CINERGY_C_PCI    "rc-terratec-cinergy-c-pci"
+#define RC_MAP_TERRATEC_CINERGY_S2_HD    "rc-terratec-cinergy-s2-hd"
 #define RC_MAP_TERRATEC_CINERGY_XS       "rc-terratec-cinergy-xs"
 #define RC_MAP_TERRATEC_SLIM             "rc-terratec-slim"
 #define RC_MAP_TERRATEC_SLIM_2           "rc-terratec-slim-2"
@@ -204,6 +207,7 @@ void rc_map_init(void);
 #define RC_MAP_TOTAL_MEDIA_IN_HAND_02    "rc-total-media-in-hand-02"
 #define RC_MAP_TREKSTOR                  "rc-trekstor"
 #define RC_MAP_TT_1500                   "rc-tt-1500"
+#define RC_MAP_TWINHAN_DTV_CAB_CI        "rc-twinhan-dtv-cab-ci"
 #define RC_MAP_TWINHAN_VP1027_DVBS       "rc-twinhan1027"
 #define RC_MAP_VIDEOMATE_K100            "rc-videomate-k100"
 #define RC_MAP_VIDEOMATE_S350            "rc-videomate-s350"
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index 4becc6716..eecd3102a 100644
--- a/include/media/v4l2-dv-timings.h
+++ b/include/media/v4l2-dv-timings.h
@@ -117,6 +117,7 @@ void v4l2_print_dv_timings(const char *dev_prefix, const char *prefix,
  * @vsync - the height of the vertical sync in lines.
  * @polarities - the horizontal and vertical polarities (same as struct
  *		v4l2_bt_timings polarities).
+ * @interlaced - if this flag is true, it indicates interlaced format
  * @fmt - the resulting timings.
  *
  * This function will attempt to detect if the given values correspond to a
@@ -124,7 +125,7 @@ void v4l2_print_dv_timings(const char *dev_prefix, const char *prefix,
  * in with the found CVT timings.
  */
 bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
-		u32 polarities, struct v4l2_dv_timings *fmt);
+		u32 polarities, bool interlaced, struct v4l2_dv_timings *fmt);
 
 /** v4l2_detect_gtf - detect if the given timings follow the GTF standard
  * @frame_height - the total height of the frame (including blanking) in lines.
@@ -132,6 +133,7 @@ bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
  * @vsync - the height of the vertical sync in lines.
  * @polarities - the horizontal and vertical polarities (same as struct
  *		v4l2_bt_timings polarities).
+ * @interlaced - if this flag is true, it indicates interlaced format
  * @aspect - preferred aspect ratio. GTF has no method of determining the
  *		aspect ratio in order to derive the image width from the
  *		image height, so it has to be passed explicitly. Usually
@@ -144,7 +146,7 @@ bool v4l2_detect_cvt(unsigned frame_height, unsigned hfreq, unsigned vsync,
  * in with the found GTF timings.
  */
 bool v4l2_detect_gtf(unsigned frame_height, unsigned hfreq, unsigned vsync,
-		u32 polarities, struct v4l2_fract aspect,
+		u32 polarities, bool interlaced, struct v4l2_fract aspect,
 		struct v4l2_dv_timings *fmt);
 
 /** v4l2_calc_aspect_ratio - calculate the aspect ratio based on bytes
diff --git a/include/media/v4l2-flash-led-class.h b/include/media/v4l2-flash-led-class.h
new file mode 100644
index 000000000..098236c08
--- /dev/null
+++ b/include/media/v4l2-flash-led-class.h
@@ -0,0 +1,148 @@
+/*
+ * V4L2 flash LED sub-device registration helpers.
+ *
+ *	Copyright (C) 2015 Samsung Electronics Co., Ltd
+ *	Author: Jacek Anaszewski <j.anaszewski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _V4L2_FLASH_H
+#define _V4L2_FLASH_H
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-subdev.h>
+
+struct led_classdev_flash;
+struct led_classdev;
+struct v4l2_flash;
+enum led_brightness;
+
+/*
+ * struct v4l2_flash_ctrl_data - flash control initialization data, filled
+ *				basing on the features declared by the LED flash
+ *				class driver in the v4l2_flash_config
+ * @config:	initialization data for a control
+ * @cid:	contains v4l2 flash control id if the config
+ *		field was initialized, 0 otherwise
+ */
+struct v4l2_flash_ctrl_data {
+	struct v4l2_ctrl_config config;
+	u32 cid;
+};
+
+struct v4l2_flash_ops {
+	/* setup strobing the flash by hardware pin state assertion */
+	int (*external_strobe_set)(struct v4l2_flash *v4l2_flash,
+					bool enable);
+	/* convert intensity to brightness in a device specific manner */
+	enum led_brightness (*intensity_to_led_brightness)
+		(struct v4l2_flash *v4l2_flash, s32 intensity);
+	/* convert brightness to intensity in a device specific manner */
+	s32 (*led_brightness_to_intensity)
+		(struct v4l2_flash *v4l2_flash, enum led_brightness);
+};
+
+/**
+ * struct v4l2_flash_config - V4L2 Flash sub-device initialization data
+ * @dev_name:			the name of the media entity,
+				unique in the system
+ * @torch_intensity:		constraints for the LED in torch mode
+ * @indicator_intensity:	constraints for the indicator LED
+ * @flash_faults:		bitmask of flash faults that the LED flash class
+				device can report; corresponding LED_FAULT* bit
+				definitions are available in the header file
+				<linux/led-class-flash.h>
+ * @has_external_strobe:	external strobe capability
+ */
+struct v4l2_flash_config {
+	char dev_name[32];
+	struct led_flash_setting torch_intensity;
+	struct led_flash_setting indicator_intensity;
+	u32 flash_faults;
+	unsigned int has_external_strobe:1;
+};
+
+/**
+ * struct v4l2_flash - Flash sub-device context
+ * @fled_cdev:		LED flash class device controlled by this sub-device
+ * @iled_cdev:		LED class device representing indicator LED associated
+ *			with the LED flash class device
+ * @ops:		V4L2 specific flash ops
+ * @sd:			V4L2 sub-device
+ * @hdl:		flash controls handler
+ * @ctrls:		array of pointers to controls, whose values define
+ *			the sub-device state
+ */
+struct v4l2_flash {
+	struct led_classdev_flash *fled_cdev;
+	struct led_classdev_flash *iled_cdev;
+	const struct v4l2_flash_ops *ops;
+
+	struct v4l2_subdev sd;
+	struct v4l2_ctrl_handler hdl;
+	struct v4l2_ctrl **ctrls;
+};
+
+static inline struct v4l2_flash *v4l2_subdev_to_v4l2_flash(
+							struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct v4l2_flash, sd);
+}
+
+static inline struct v4l2_flash *v4l2_ctrl_to_v4l2_flash(struct v4l2_ctrl *c)
+{
+	return container_of(c->handler, struct v4l2_flash, hdl);
+}
+
+#if IS_ENABLED(CONFIG_V4L2_FLASH_LED_CLASS)
+/**
+ * v4l2_flash_init - initialize V4L2 flash led sub-device
+ * @dev:	flash device, e.g. an I2C device
+ * @of_node:	of_node of the LED, may be NULL if the same as device's
+ * @fled_cdev:	LED flash class device to wrap
+ * @iled_cdev:	LED flash class device representing indicator LED associated
+ *		with fled_cdev, may be NULL
+ * @flash_ops:	V4L2 Flash device ops
+ * @config:	initialization data for V4L2 Flash sub-device
+ *
+ * Create V4L2 Flash sub-device wrapping given LED subsystem device.
+ *
+ * Returns: A valid pointer, or, when an error occurs, the return
+ * value is encoded using ERR_PTR(). Use IS_ERR() to check and
+ * PTR_ERR() to obtain the numeric return value.
+ */
+struct v4l2_flash *v4l2_flash_init(
+	struct device *dev, struct device_node *of_node,
+	struct led_classdev_flash *fled_cdev,
+	struct led_classdev_flash *iled_cdev,
+	const struct v4l2_flash_ops *ops,
+	struct v4l2_flash_config *config);
+
+/**
+ * v4l2_flash_release - release V4L2 Flash sub-device
+ * @flash: the V4L2 Flash sub-device to release
+ *
+ * Release V4L2 Flash sub-device.
+ */
+void v4l2_flash_release(struct v4l2_flash *v4l2_flash);
+
+#else
+static inline struct v4l2_flash *v4l2_flash_init(
+	struct device *dev, struct device_node *of_node,
+	struct led_classdev_flash *fled_cdev,
+	struct led_classdev_flash *iled_cdev,
+	const struct v4l2_flash_ops *ops,
+	struct v4l2_flash_config *config)
+{
+	return NULL;
+}
+
+static inline void v4l2_flash_release(struct v4l2_flash *v4l2_flash)
+{
+}
+#endif /* CONFIG_V4L2_FLASH_LED_CLASS */
+
+#endif /* _V4L2_FLASH_H */
diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h
index 38d960d8d..73069e4c2 100644
--- a/include/media/v4l2-mediabus.h
+++ b/include/media/v4l2-mediabus.h
@@ -96,6 +96,7 @@ static inline void v4l2_fill_pix_format(struct v4l2_pix_format *pix_fmt,
 	pix_fmt->colorspace = mbus_fmt->colorspace;
 	pix_fmt->ycbcr_enc = mbus_fmt->ycbcr_enc;
 	pix_fmt->quantization = mbus_fmt->quantization;
+	pix_fmt->xfer_func = mbus_fmt->xfer_func;
 }
 
 static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt,
@@ -108,6 +109,7 @@ static inline void v4l2_fill_mbus_format(struct v4l2_mbus_framefmt *mbus_fmt,
 	mbus_fmt->colorspace = pix_fmt->colorspace;
 	mbus_fmt->ycbcr_enc = pix_fmt->ycbcr_enc;
 	mbus_fmt->quantization = pix_fmt->quantization;
+	mbus_fmt->xfer_func = pix_fmt->xfer_func;
 	mbus_fmt->code = code;
 }
 
diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h
index c5f3914bc..3bbd96da2 100644
--- a/include/media/v4l2-mem2mem.h
+++ b/include/media/v4l2-mem2mem.h
@@ -116,6 +116,8 @@ int v4l2_m2m_qbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
 		  struct v4l2_buffer *buf);
 int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
 		   struct v4l2_buffer *buf);
+int v4l2_m2m_prepare_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
+			 struct v4l2_buffer *buf);
 int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx,
 			 struct v4l2_create_buffers *create);
 
@@ -248,6 +250,8 @@ int v4l2_m2m_ioctl_qbuf(struct file *file, void *fh,
 				struct v4l2_buffer *buf);
 int v4l2_m2m_ioctl_dqbuf(struct file *file, void *fh,
 				struct v4l2_buffer *buf);
+int v4l2_m2m_ioctl_prepare_buf(struct file *file, void *fh,
+			       struct v4l2_buffer *buf);
 int v4l2_m2m_ioctl_streamon(struct file *file, void *fh,
 				enum v4l2_buf_type type);
 int v4l2_m2m_ioctl_streamoff(struct file *file, void *fh,
diff --git a/include/media/v4l2-of.h b/include/media/v4l2-of.h
index f831c9c22..4dc34b245 100644
--- a/include/media/v4l2-of.h
+++ b/include/media/v4l2-of.h
@@ -57,16 +57,19 @@ struct v4l2_of_bus_parallel {
  * @base: struct of_endpoint containing port, id, and local of_node
  * @bus_type: bus type
  * @bus: bus configuration data structure
- * @head: list head for this structure
+ * @link_frequencies: array of supported link frequencies
+ * @nr_of_link_frequencies: number of elements in link_frequenccies array
  */
 struct v4l2_of_endpoint {
 	struct of_endpoint base;
+	/* Fields below this line will be zeroed by v4l2_of_parse_endpoint() */
 	enum v4l2_mbus_type bus_type;
 	union {
 		struct v4l2_of_bus_parallel parallel;
 		struct v4l2_of_bus_mipi_csi2 mipi_csi2;
 	} bus;
-	struct list_head head;
+	u64 *link_frequencies;
+	unsigned int nr_of_link_frequencies;
 };
 
 /**
@@ -86,6 +89,9 @@ struct v4l2_of_link {
 #ifdef CONFIG_OF
 int v4l2_of_parse_endpoint(const struct device_node *node,
 			   struct v4l2_of_endpoint *endpoint);
+struct v4l2_of_endpoint *v4l2_of_alloc_parse_endpoint(
+	const struct device_node *node);
+void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint);
 int v4l2_of_parse_link(const struct device_node *node,
 		       struct v4l2_of_link *link);
 void v4l2_of_put_link(struct v4l2_of_link *link);
@@ -97,6 +103,16 @@ static inline int v4l2_of_parse_endpoint(const struct device_node *node,
 	return -ENOSYS;
 }
 
+static inline struct v4l2_of_endpoint *v4l2_of_alloc_parse_endpoint(
+	const struct device_node *node)
+{
+	return NULL;
+}
+
+static inline void v4l2_of_free_endpoint(struct v4l2_of_endpoint *endpoint)
+{
+}
+
 static inline int v4l2_of_parse_link(const struct device_node *node,
 				     struct v4l2_of_link *link)
 {
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 2f0a345a7..4e18318eb 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -40,6 +40,8 @@
 #define V4L2_SUBDEV_IR_TX_NOTIFY		_IOW('v', 1, u32)
 #define V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ	0x00000001
 
+#define	V4L2_DEVICE_NOTIFY_EVENT		_IOW('v', 2, struct v4l2_event)
+
 struct v4l2_device;
 struct v4l2_ctrl_handler;
 struct v4l2_event_subscription;
@@ -293,14 +295,6 @@ struct v4l2_mbus_frame_desc {
 
    g_dv_timings(): Get custom dv timings in the sub device.
 
-   enum_mbus_fmt: enumerate pixel formats, provided by a video data source
-
-   g_mbus_fmt: get the current pixel format, provided by a video data source
-
-   try_mbus_fmt: try to set a pixel format on a video data source
-
-   s_mbus_fmt: set a pixel format on a video data source
-
    g_mbus_config: get supported mediabus configurations
 
    s_mbus_config: set a certain mediabus configuration. This operation is added
@@ -338,14 +332,6 @@ struct v4l2_subdev_video_ops {
 			struct v4l2_dv_timings *timings);
 	int (*query_dv_timings)(struct v4l2_subdev *sd,
 			struct v4l2_dv_timings *timings);
-	int (*enum_mbus_fmt)(struct v4l2_subdev *sd, unsigned int index,
-			     u32 *code);
-	int (*g_mbus_fmt)(struct v4l2_subdev *sd,
-			  struct v4l2_mbus_framefmt *fmt);
-	int (*try_mbus_fmt)(struct v4l2_subdev *sd,
-			    struct v4l2_mbus_framefmt *fmt);
-	int (*s_mbus_fmt)(struct v4l2_subdev *sd,
-			  struct v4l2_mbus_framefmt *fmt);
 	int (*g_mbus_config)(struct v4l2_subdev *sd,
 			     struct v4l2_mbus_config *cfg);
 	int (*s_mbus_config)(struct v4l2_subdev *sd,
@@ -619,6 +605,8 @@ struct v4l2_subdev {
 	struct video_device *devnode;
 	/* pointer to the physical device, if any */
 	struct device *dev;
+	/* The device_node of the subdev, usually the same as dev->of_node. */
+	struct device_node *of_node;
 	/* Links this subdev to a global subdev_list or @notifier->done list. */
 	struct list_head async_list;
 	/* Pointer to respective struct v4l2_async_subdev. */
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index a5790fd5d..c192e1b46 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -139,6 +139,7 @@ enum vb2_io_modes {
  * @VB2_BUF_STATE_PREPARING:	buffer is being prepared in videobuf
  * @VB2_BUF_STATE_PREPARED:	buffer prepared in videobuf and by the driver
  * @VB2_BUF_STATE_QUEUED:	buffer queued in videobuf, but not in driver
+ * @VB2_BUF_STATE_REQUEUEING:	re-queue a buffer to the driver
  * @VB2_BUF_STATE_ACTIVE:	buffer queued in driver and possibly used
  *				in a hardware operation
  * @VB2_BUF_STATE_DONE:		buffer returned from driver to videobuf, but
@@ -152,6 +153,7 @@ enum vb2_buffer_state {
 	VB2_BUF_STATE_PREPARING,
 	VB2_BUF_STATE_PREPARED,
 	VB2_BUF_STATE_QUEUED,
+	VB2_BUF_STATE_REQUEUEING,
 	VB2_BUF_STATE_ACTIVE,
 	VB2_BUF_STATE_DONE,
 	VB2_BUF_STATE_ERROR,
@@ -381,6 +383,9 @@ struct v4l2_fh;
  * @waiting_for_buffers: used in poll() to check if vb2 is still waiting for
  *		buffers. Only set for capture queues if qbuf has not yet been
  *		called since poll() needs to return POLLERR in that situation.
+ * @last_buffer_dequeued: used in poll() and DQBUF to immediately return if the
+ *		last decoded buffer was already dequeued. Set for capture queues
+ *		when a buffer with the V4L2_BUF_FLAG_LAST is dequeued.
  * @fileio:	file io emulator internal data, used only if emulator is active
  * @threadio:	thread io internal data, used only if thread is active
  */
@@ -423,6 +428,7 @@ struct vb2_queue {
 	unsigned int			start_streaming_called:1;
 	unsigned int			error:1;
 	unsigned int			waiting_for_buffers:1;
+	unsigned int			last_buffer_dequeued:1;
 
 	struct vb2_fileio_data		*fileio;
 	struct vb2_threadio_data	*threadio;
@@ -603,6 +609,15 @@ static inline bool vb2_start_streaming_called(struct vb2_queue *q)
 	return q->start_streaming_called;
 }
 
+/**
+ * vb2_clear_last_buffer_dequeued() - clear last buffer dequeued flag of queue
+ * @q:		videobuf queue
+ */
+static inline void vb2_clear_last_buffer_dequeued(struct vb2_queue *q)
+{
+	q->last_buffer_dequeued = false;
+}
+
 /*
  * The following functions are not part of the vb2 core API, but are simple
  * helper functions that you can use in your struct v4l2_file_operations,