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204 lines
4.7 KiB
204 lines
4.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _DVB_USB_CXUSB_H_ |
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#define _DVB_USB_CXUSB_H_ |
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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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#define DVB_USB_LOG_PREFIX "cxusb" |
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#include "dvb-usb.h" |
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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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#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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#define CMD_I2C_WRITE 0x08 |
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#define CMD_I2C_READ 0x09 |
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#define CMD_GPIO_READ 0x0d |
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#define CMD_GPIO_WRITE 0x0e |
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#define GPIO_TUNER 0x02 |
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#define CMD_POWER_OFF 0xdc |
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#define CMD_POWER_ON 0xde |
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#define CMD_STREAMING_ON 0x36 |
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#define CMD_STREAMING_OFF 0x37 |
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#define CMD_AVER_STREAM_ON 0x18 |
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#define CMD_AVER_STREAM_OFF 0x19 |
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#define CMD_GET_IR_CODE 0x47 |
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#define CMD_ANALOG 0x50 |
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#define CMD_DIGITAL 0x51 |
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#define CXUSB_BT656_PREAMBLE ((const u8 *)"\xff\x00\x00") |
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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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#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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#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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/* 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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unsigned char data[MAX_XFER_SIZE]; |
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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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}; |
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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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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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enum cxusb_bt656_mode { |
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NEW_FRAME, FIRST_FIELD, SECOND_FIELD |
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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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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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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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struct dvb_usb_device *dvbdev; |
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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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#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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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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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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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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struct list_head buflist; |
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struct completion v4l2_release; |
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#endif |
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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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/* 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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extern int dvb_usb_cxusb_debug; |
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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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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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#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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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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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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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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#endif
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