Merge tag 'media/v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - addition of fwnode support at V4L2 core

 - addition of a few more SDR formats

 - new imx driver to support i.MX6 cameras

 - new driver for Qualcon venus codecs

 - new I2C sensor drivers: dw9714, max2175, ov13858, ov5640

 - new CEC driver: stm32-cec

 - some improvements to DVB frontend documentation and a few fixups

 - several driver improvements and fixups

* tag 'media/v4.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (361 commits)
  [media] media: entity: Catch unbalanced media_pipeline_stop calls
  [media] media/uapi/v4l: clarify cropcap/crop/selection behavior
  [media] v4l2-ioctl/exynos: fix G/S_SELECTION's type handling
  [media] vimc: sen: Declare vimc_sen_video_ops as static
  [media] vimc: sca: Add scaler
  [media] vimc: deb: Add debayer filter
  [media] vimc: Subdevices as modules
  [media] vimc: cap: Support several image formats
  [media] vimc: sen: Support several image formats
  [media] vimc: common: Add vimc_colorimetry_clamp
  [media] vimc: common: Add vimc_link_validate
  [media] vimc: common: Add vimc_pipeline_s_stream helper
  [media] vimc: common: Add vimc_ent_sd_* helper
  [media] vimc: Move common code from the core
  [media] vimc: sen: Integrate the tpg on the sensor
  [media] media: i2c: ov772x: Force use of SCCB protocol
  [media] dvb uapi docs: enums are passed by value, not reference
  [media] dvb: don't use 'time_t' in event ioctl
  [media] media: venus: enable building with COMPILE_TEST
  [media] af9013: refactor power control
  ...

1 files changed, 325 insertions, 0 deletions

diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
new file mode 100644
index 000000000000..d409170632bd
--- /dev/null
+++ b/drivers/staging/media/imx/imx-media.h
@@ -0,0 +1,325 @@
+/*
+ * V4L2 Media Controller Driver for Freescale i.MX5/6 SOC
+ *
+ * Copyright (c) 2016 Mentor Graphics Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef _IMX_MEDIA_H
+#define _IMX_MEDIA_H
+
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-subdev.h>
+#include <media/videobuf2-dma-contig.h>
+#include <video/imx-ipu-v3.h>
+
+/*
+ * This is somewhat arbitrary, but we need at least:
+ * - 4 video devices per IPU
+ * - 3 IC subdevs per IPU
+ * - 1 VDIC subdev per IPU
+ * - 2 CSI subdevs per IPU
+ * - 1 mipi-csi2 receiver subdev
+ * - 2 video-mux subdevs
+ * - 2 camera sensor subdevs per IPU (1 parallel, 1 mipi-csi2)
+ *
+ */
+/* max video devices */
+#define IMX_MEDIA_MAX_VDEVS          8
+/* max subdevices */
+#define IMX_MEDIA_MAX_SUBDEVS       32
+/* max pads per subdev */
+#define IMX_MEDIA_MAX_PADS          16
+/* max links per pad */
+#define IMX_MEDIA_MAX_LINKS          8
+
+/*
+ * Pad definitions for the subdevs with multiple source or
+ * sink pads
+ */
+
+/* ipu_csi */
+enum {
+	CSI_SINK_PAD = 0,
+	CSI_SRC_PAD_DIRECT,
+	CSI_SRC_PAD_IDMAC,
+	CSI_NUM_PADS,
+};
+
+#define CSI_NUM_SINK_PADS 1
+#define CSI_NUM_SRC_PADS  2
+
+/* ipu_vdic */
+enum {
+	VDIC_SINK_PAD_DIRECT = 0,
+	VDIC_SINK_PAD_IDMAC,
+	VDIC_SRC_PAD_DIRECT,
+	VDIC_NUM_PADS,
+};
+
+#define VDIC_NUM_SINK_PADS 2
+#define VDIC_NUM_SRC_PADS  1
+
+/* ipu_ic_prp */
+enum {
+	PRP_SINK_PAD = 0,
+	PRP_SRC_PAD_PRPENC,
+	PRP_SRC_PAD_PRPVF,
+	PRP_NUM_PADS,
+};
+
+#define PRP_NUM_SINK_PADS 1
+#define PRP_NUM_SRC_PADS  2
+
+/* ipu_ic_prpencvf */
+enum {
+	PRPENCVF_SINK_PAD = 0,
+	PRPENCVF_SRC_PAD,
+	PRPENCVF_NUM_PADS,
+};
+
+#define PRPENCVF_NUM_SINK_PADS 1
+#define PRPENCVF_NUM_SRC_PADS  1
+
+/* How long to wait for EOF interrupts in the buffer-capture subdevs */
+#define IMX_MEDIA_EOF_TIMEOUT       1000
+
+struct imx_media_pixfmt {
+	u32     fourcc;
+	u32     codes[4];
+	int     bpp;     /* total bpp */
+	enum ipu_color_space cs;
+	bool    planar;  /* is a planar format */
+	bool    bayer;   /* is a raw bayer format */
+	bool    ipufmt;  /* is one of the IPU internal formats */
+};
+
+struct imx_media_buffer {
+	struct vb2_v4l2_buffer vbuf; /* v4l buffer must be first */
+	struct list_head  list;
+};
+
+struct imx_media_video_dev {
+	struct video_device *vfd;
+
+	/* the user format */
+	struct v4l2_format fmt;
+	const struct imx_media_pixfmt *cc;
+};
+
+static inline struct imx_media_buffer *to_imx_media_vb(struct vb2_buffer *vb)
+{
+	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+
+	return container_of(vbuf, struct imx_media_buffer, vbuf);
+}
+
+struct imx_media_link {
+	struct device_node *remote_sd_node;
+	char               remote_devname[32];
+	int                local_pad;
+	int                remote_pad;
+};
+
+struct imx_media_pad {
+	struct media_pad  pad;
+	struct imx_media_link link[IMX_MEDIA_MAX_LINKS];
+	bool devnode; /* does this pad link to a device node */
+	int num_links;
+
+	/*
+	 * list of video devices that can be reached from this pad,
+	 * list is only valid for source pads.
+	 */
+	struct imx_media_video_dev *vdev[IMX_MEDIA_MAX_VDEVS];
+	int num_vdevs;
+};
+
+struct imx_media_internal_sd_platformdata {
+	char sd_name[V4L2_SUBDEV_NAME_SIZE];
+	u32 grp_id;
+	int ipu_id;
+};
+
+struct imx_media_subdev {
+	struct v4l2_async_subdev asd;
+	struct v4l2_subdev       *sd; /* set when bound */
+
+	struct imx_media_pad     pad[IMX_MEDIA_MAX_PADS];
+	int num_sink_pads;
+	int num_src_pads;
+
+	/* the platform device if this is an internal subdev */
+	struct platform_device *pdev;
+	/* the devname is needed for async devname match */
+	char devname[32];
+
+	/* if this is a sensor */
+	struct v4l2_fwnode_endpoint sensor_ep;
+};
+
+struct imx_media_dev {
+	struct media_device md;
+	struct v4l2_device  v4l2_dev;
+
+	/* the pipeline object */
+	struct media_pipeline pipe;
+
+	struct mutex mutex; /* protect elements below */
+
+	/* master subdevice list */
+	struct imx_media_subdev subdev[IMX_MEDIA_MAX_SUBDEVS];
+	int num_subdevs;
+
+	/* master video device list */
+	struct imx_media_video_dev *vdev[IMX_MEDIA_MAX_VDEVS];
+	int num_vdevs;
+
+	/* IPUs this media driver control, valid after subdevs bound */
+	struct ipu_soc *ipu[2];
+
+	/* for async subdev registration */
+	struct v4l2_async_subdev *async_ptrs[IMX_MEDIA_MAX_SUBDEVS];
+	struct v4l2_async_notifier subdev_notifier;
+};
+
+enum codespace_sel {
+	CS_SEL_YUV = 0,
+	CS_SEL_RGB,
+	CS_SEL_ANY,
+};
+
+const struct imx_media_pixfmt *
+imx_media_find_format(u32 fourcc, enum codespace_sel cs_sel, bool allow_bayer);
+int imx_media_enum_format(u32 *fourcc, u32 index, enum codespace_sel cs_sel);
+const struct imx_media_pixfmt *
+imx_media_find_mbus_format(u32 code, enum codespace_sel cs_sel,
+			   bool allow_bayer);
+int imx_media_enum_mbus_format(u32 *code, u32 index, enum codespace_sel cs_sel,
+			       bool allow_bayer);
+const struct imx_media_pixfmt *
+imx_media_find_ipu_format(u32 code, enum codespace_sel cs_sel);
+int imx_media_enum_ipu_format(u32 *code, u32 index, enum codespace_sel cs_sel);
+
+int imx_media_init_mbus_fmt(struct v4l2_mbus_framefmt *mbus,
+			    u32 width, u32 height, u32 code, u32 field,
+			    const struct imx_media_pixfmt **cc);
+void imx_media_fill_default_mbus_fields(struct v4l2_mbus_framefmt *tryfmt,
+					struct v4l2_mbus_framefmt *fmt,
+					bool ic_route);
+int imx_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix,
+				  struct v4l2_mbus_framefmt *mbus,
+				  const struct imx_media_pixfmt *cc);
+int imx_media_mbus_fmt_to_ipu_image(struct ipu_image *image,
+				    struct v4l2_mbus_framefmt *mbus);
+int imx_media_ipu_image_to_mbus_fmt(struct v4l2_mbus_framefmt *mbus,
+				    struct ipu_image *image);
+
+struct imx_media_subdev *
+imx_media_find_async_subdev(struct imx_media_dev *imxmd,
+			    struct device_node *np,
+			    const char *devname);
+struct imx_media_subdev *
+imx_media_add_async_subdev(struct imx_media_dev *imxmd,
+			   struct device_node *np,
+			   struct platform_device *pdev);
+int imx_media_add_pad_link(struct imx_media_dev *imxmd,
+			   struct imx_media_pad *pad,
+			   struct device_node *remote_node,
+			   const char *remote_devname,
+			   int local_pad, int remote_pad);
+
+void imx_media_grp_id_to_sd_name(char *sd_name, int sz,
+				 u32 grp_id, int ipu_id);
+
+int imx_media_add_internal_subdevs(struct imx_media_dev *imxmd,
+				   struct imx_media_subdev *csi[4]);
+void imx_media_remove_internal_subdevs(struct imx_media_dev *imxmd);
+
+struct imx_media_subdev *
+imx_media_find_subdev_by_sd(struct imx_media_dev *imxmd,
+			    struct v4l2_subdev *sd);
+struct imx_media_subdev *
+imx_media_find_subdev_by_id(struct imx_media_dev *imxmd,
+			    u32 grp_id);
+int imx_media_add_video_device(struct imx_media_dev *imxmd,
+			       struct imx_media_video_dev *vdev);
+int imx_media_find_mipi_csi2_channel(struct imx_media_dev *imxmd,
+				     struct media_entity *start_entity);
+struct imx_media_subdev *
+imx_media_find_upstream_subdev(struct imx_media_dev *imxmd,
+			       struct media_entity *start_entity,
+			       u32 grp_id);
+struct imx_media_subdev *
+__imx_media_find_sensor(struct imx_media_dev *imxmd,
+			struct media_entity *start_entity);
+struct imx_media_subdev *
+imx_media_find_sensor(struct imx_media_dev *imxmd,
+		      struct media_entity *start_entity);
+
+struct imx_media_dma_buf {
+	void          *virt;
+	dma_addr_t     phys;
+	unsigned long  len;
+};
+
+void imx_media_free_dma_buf(struct imx_media_dev *imxmd,
+			    struct imx_media_dma_buf *buf);
+int imx_media_alloc_dma_buf(struct imx_media_dev *imxmd,
+			    struct imx_media_dma_buf *buf,
+			    int size);
+
+int imx_media_pipeline_set_stream(struct imx_media_dev *imxmd,
+				  struct media_entity *entity,
+				  bool on);
+
+/* imx-media-fim.c */
+struct imx_media_fim;
+void imx_media_fim_eof_monitor(struct imx_media_fim *fim, struct timespec *ts);
+int imx_media_fim_set_stream(struct imx_media_fim *fim,
+			     const struct v4l2_fract *frame_interval,
+			     bool on);
+int imx_media_fim_add_controls(struct imx_media_fim *fim);
+struct imx_media_fim *imx_media_fim_init(struct v4l2_subdev *sd);
+void imx_media_fim_free(struct imx_media_fim *fim);
+
+/* imx-media-of.c */
+struct imx_media_subdev *
+imx_media_of_find_subdev(struct imx_media_dev *imxmd,
+			 struct device_node *np,
+			 const char *name);
+int imx_media_of_parse(struct imx_media_dev *dev,
+		       struct imx_media_subdev *(*csi)[4],
+		       struct device_node *np);
+
+/* imx-media-capture.c */
+struct imx_media_video_dev *
+imx_media_capture_device_init(struct v4l2_subdev *src_sd, int pad);
+void imx_media_capture_device_remove(struct imx_media_video_dev *vdev);
+int imx_media_capture_device_register(struct imx_media_video_dev *vdev);
+void imx_media_capture_device_unregister(struct imx_media_video_dev *vdev);
+struct imx_media_buffer *
+imx_media_capture_device_next_buf(struct imx_media_video_dev *vdev);
+void imx_media_capture_device_set_format(struct imx_media_video_dev *vdev,
+					 struct v4l2_pix_format *pix);
+void imx_media_capture_device_error(struct imx_media_video_dev *vdev);
+
+/* subdev group ids */
+#define IMX_MEDIA_GRP_ID_SENSOR    (1 << 8)
+#define IMX_MEDIA_GRP_ID_VIDMUX    (1 << 9)
+#define IMX_MEDIA_GRP_ID_CSI2      (1 << 10)
+#define IMX_MEDIA_GRP_ID_CSI_BIT   11
+#define IMX_MEDIA_GRP_ID_CSI       (0x3 << IMX_MEDIA_GRP_ID_CSI_BIT)
+#define IMX_MEDIA_GRP_ID_CSI0      (1 << IMX_MEDIA_GRP_ID_CSI_BIT)
+#define IMX_MEDIA_GRP_ID_CSI1      (2 << IMX_MEDIA_GRP_ID_CSI_BIT)
+#define IMX_MEDIA_GRP_ID_VDIC      (1 << 13)
+#define IMX_MEDIA_GRP_ID_IC_PRP    (1 << 14)
+#define IMX_MEDIA_GRP_ID_IC_PRPENC (1 << 15)
+#define IMX_MEDIA_GRP_ID_IC_PRPVF  (1 << 16)
+
+#endif