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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/media/usb/dvb-usb/cxusb.h
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@@ -2,8 +2,28 @@
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 #ifndef _DVB_USB_CXUSB_H_
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 #define _DVB_USB_CXUSB_H_
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4
 
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+#include <linux/completion.h>
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+#include <linux/i2c.h>
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+#include <linux/list.h>
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+#include <linux/mutex.h>
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+#include <linux/usb.h>
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+#include <linux/workqueue.h>
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+#include <media/v4l2-common.h>
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+#include <media/v4l2-dev.h>
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+#include <media/v4l2-device.h>
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+#include <media/videobuf2-core.h>
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+#include <media/videobuf2-v4l2.h>
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+
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 #define DVB_USB_LOG_PREFIX "cxusb"
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 #include "dvb-usb.h"
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+
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+#define CXUSB_VIDEO_URBS (5)
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+#define CXUSB_VIDEO_URB_MAX_SIZE (512 * 1024)
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+
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+#define CXUSB_VIDEO_PKT_SIZE 3030
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+#define CXUSB_VIDEO_MAX_FRAME_PKTS 346
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+#define CXUSB_VIDEO_MAX_FRAME_SIZE (CXUSB_VIDEO_MAX_FRAME_PKTS * \
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+					CXUSB_VIDEO_PKT_SIZE)
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 /* usb commands - some of it are guesses, don't have a reference yet */
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 #define CMD_BLUEBIRD_GPIO_RW 0x05
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@@ -29,11 +49,26 @@
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 #define CMD_ANALOG        0x50
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 #define CMD_DIGITAL       0x51
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51
 
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+#define CXUSB_BT656_PREAMBLE ((const u8 *)"\xff\x00\x00")
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+
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+#define CXUSB_BT656_FIELD_MASK BIT(6)
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+#define CXUSB_BT656_FIELD_1 0
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+#define CXUSB_BT656_FIELD_2 BIT(6)
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+
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+#define CXUSB_BT656_VBI_MASK BIT(5)
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+#define CXUSB_BT656_VBI_ON BIT(5)
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+#define CXUSB_BT656_VBI_OFF 0
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+
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+#define CXUSB_BT656_SEAV_MASK BIT(4)
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+#define CXUSB_BT656_SEAV_EAV BIT(4)
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+#define CXUSB_BT656_SEAV_SAV 0
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+
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 /* Max transfer size done by I2C transfer functions */
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 #define MAX_XFER_SIZE  80
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 struct cxusb_state {
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 	u8 gpio_write_state[3];
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+	bool gpio_write_refresh[3];
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 	struct i2c_client *i2c_client_demod;
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 	struct i2c_client *i2c_client_tuner;
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@@ -42,7 +77,128 @@
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 	struct mutex stream_mutex;
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 	u8 last_lock;
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 	int (*fe_read_status)(struct dvb_frontend *fe,
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-		enum fe_status *status);
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+			      enum fe_status *status);
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 };
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+enum cxusb_open_type {
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+	CXUSB_OPEN_INIT,
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+	CXUSB_OPEN_NONE,
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+	CXUSB_OPEN_ANALOG,
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+	CXUSB_OPEN_DIGITAL
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+};
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+
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+struct cxusb_medion_auxbuf {
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+	u8 *buf;
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+	unsigned int len;
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+	unsigned int paylen;
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+};
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+
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+enum cxusb_bt656_mode {
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+	NEW_FRAME, FIRST_FIELD, SECOND_FIELD
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+};
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+
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+enum cxusb_bt656_fmode {
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+	START_SEARCH, LINE_SAMPLES, VBI_SAMPLES
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+};
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+
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+struct cxusb_bt656_params {
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+	enum cxusb_bt656_mode mode;
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+	enum cxusb_bt656_fmode fmode;
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+	unsigned int pos;
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+	unsigned int line;
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+	unsigned int linesamples;
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+	u8 *buf;
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+};
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+
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+struct cxusb_medion_dev {
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+	/* has to be the first one */
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+	struct cxusb_state state;
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+
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+	struct dvb_usb_device *dvbdev;
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+
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+	enum cxusb_open_type open_type;
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+	unsigned int open_ctr;
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+	struct mutex open_lock;
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+
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+#ifdef CONFIG_DVB_USB_CXUSB_ANALOG
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+	struct v4l2_device v4l2dev;
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+	struct v4l2_subdev *cx25840;
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+	struct v4l2_subdev *tuner;
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+	struct v4l2_subdev *tda9887;
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+	struct video_device *videodev, *radiodev;
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+	struct mutex dev_lock;
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+
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+	struct vb2_queue videoqueue;
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+	u32 input;
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+	bool stop_streaming;
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+	u32 width, height;
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+	u32 field_order;
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+	struct cxusb_medion_auxbuf auxbuf;
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+	v4l2_std_id norm;
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+
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+	struct urb *streamurbs[CXUSB_VIDEO_URBS];
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+	unsigned long urbcomplete;
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+	struct work_struct urbwork;
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+	unsigned int nexturb;
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+
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+	struct cxusb_bt656_params bt656;
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+	struct cxusb_medion_vbuffer *vbuf;
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+	__u32 vbuf_sequence;
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+
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+	struct list_head buflist;
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+
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+	struct completion v4l2_release;
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+#endif
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+};
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+
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+struct cxusb_medion_vbuffer {
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+	struct vb2_v4l2_buffer vb2;
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+	struct list_head list;
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+};
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+
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+/* defines for "debug" module parameter */
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+#define CXUSB_DBG_RC BIT(0)
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+#define CXUSB_DBG_I2C BIT(1)
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+#define CXUSB_DBG_MISC BIT(2)
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+#define CXUSB_DBG_BT656 BIT(3)
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+#define CXUSB_DBG_URB BIT(4)
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+#define CXUSB_DBG_OPS BIT(5)
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+#define CXUSB_DBG_AUXB BIT(6)
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+
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+extern int dvb_usb_cxusb_debug;
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+
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+#define cxusb_vprintk(dvbdev, lvl, ...) do {				\
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+		struct cxusb_medion_dev *_cxdev = (dvbdev)->priv;	\
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+		if (dvb_usb_cxusb_debug & CXUSB_DBG_##lvl)		\
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+			v4l2_printk(KERN_DEBUG,			\
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+				    &_cxdev->v4l2dev, __VA_ARGS__);	\
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+	} while (0)
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+
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+int cxusb_ctrl_msg(struct dvb_usb_device *d,
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+		   u8 cmd, const u8 *wbuf, int wlen, u8 *rbuf, int rlen);
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+
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+#ifdef CONFIG_DVB_USB_CXUSB_ANALOG
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+int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev);
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+int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev);
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+void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev);
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+#else
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+static inline int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev)
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+{
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+	return -EINVAL;
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+}
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+
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+static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev)
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+{
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+	return 0;
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+}
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+
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+static inline void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev)
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+{
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+}
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+#endif
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+
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+int cxusb_medion_get(struct dvb_usb_device *dvbdev,
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+		     enum cxusb_open_type open_type);
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+void cxusb_medion_put(struct dvb_usb_device *dvbdev);
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+
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 #endif