diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb/cxusb.h')
| -rw-r--r-- | drivers/media/usb/dvb-usb/cxusb.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h new file mode 100644 index 000000000..9e374e531 --- /dev/null +++ b/drivers/media/usb/dvb-usb/cxusb.h @@ -0,0 +1,204 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _DVB_USB_CXUSB_H_ +#define _DVB_USB_CXUSB_H_ + +#include <linux/completion.h> +#include <linux/i2c.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/usb.h> +#include <linux/workqueue.h> +#include <media/v4l2-common.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-device.h> +#include <media/videobuf2-core.h> +#include <media/videobuf2-v4l2.h> + +#define DVB_USB_LOG_PREFIX "cxusb" +#include "dvb-usb.h" + +#define CXUSB_VIDEO_URBS (5) +#define CXUSB_VIDEO_URB_MAX_SIZE (512 * 1024) + +#define CXUSB_VIDEO_PKT_SIZE 3030 +#define CXUSB_VIDEO_MAX_FRAME_PKTS 346 +#define CXUSB_VIDEO_MAX_FRAME_SIZE (CXUSB_VIDEO_MAX_FRAME_PKTS * \ + CXUSB_VIDEO_PKT_SIZE) + +/* usb commands - some of it are guesses, don't have a reference yet */ +#define CMD_BLUEBIRD_GPIO_RW 0x05 + +#define CMD_I2C_WRITE 0x08 +#define CMD_I2C_READ 0x09 + +#define CMD_GPIO_READ 0x0d +#define CMD_GPIO_WRITE 0x0e +#define GPIO_TUNER 0x02 + +#define CMD_POWER_OFF 0xdc +#define CMD_POWER_ON 0xde + +#define CMD_STREAMING_ON 0x36 +#define CMD_STREAMING_OFF 0x37 + +#define CMD_AVER_STREAM_ON 0x18 +#define CMD_AVER_STREAM_OFF 0x19 + +#define CMD_GET_IR_CODE 0x47 + +#define CMD_ANALOG 0x50 +#define CMD_DIGITAL 0x51 + +#define CXUSB_BT656_PREAMBLE ((const u8 *)"\xff\x00\x00") + +#define CXUSB_BT656_FIELD_MASK BIT(6) +#define CXUSB_BT656_FIELD_1 0 +#define CXUSB_BT656_FIELD_2 BIT(6) + +#define CXUSB_BT656_VBI_MASK BIT(5) +#define CXUSB_BT656_VBI_ON BIT(5) +#define CXUSB_BT656_VBI_OFF 0 + +#define CXUSB_BT656_SEAV_MASK BIT(4) +#define CXUSB_BT656_SEAV_EAV BIT(4) +#define CXUSB_BT656_SEAV_SAV 0 + +/* Max transfer size done by I2C transfer functions */ +#define MAX_XFER_SIZE 80 + +struct cxusb_state { + u8 gpio_write_state[3]; + bool gpio_write_refresh[3]; + struct i2c_client *i2c_client_demod; + struct i2c_client *i2c_client_tuner; + + unsigned char data[MAX_XFER_SIZE]; + + struct mutex stream_mutex; + u8 last_lock; + int (*fe_read_status)(struct dvb_frontend *fe, + enum fe_status *status); +}; + +enum cxusb_open_type { + CXUSB_OPEN_INIT, + CXUSB_OPEN_NONE, + CXUSB_OPEN_ANALOG, + CXUSB_OPEN_DIGITAL +}; + +struct cxusb_medion_auxbuf { + u8 *buf; + unsigned int len; + unsigned int paylen; +}; + +enum cxusb_bt656_mode { + NEW_FRAME, FIRST_FIELD, SECOND_FIELD +}; + +enum cxusb_bt656_fmode { + START_SEARCH, LINE_SAMPLES, VBI_SAMPLES +}; + +struct cxusb_bt656_params { + enum cxusb_bt656_mode mode; + enum cxusb_bt656_fmode fmode; + unsigned int pos; + unsigned int line; + unsigned int linesamples; + u8 *buf; +}; + +struct cxusb_medion_dev { + /* has to be the first one */ + struct cxusb_state state; + + struct dvb_usb_device *dvbdev; + + enum cxusb_open_type open_type; + unsigned int open_ctr; + struct mutex open_lock; + +#ifdef CONFIG_DVB_USB_CXUSB_ANALOG + struct v4l2_device v4l2dev; + struct v4l2_subdev *cx25840; + struct v4l2_subdev *tuner; + struct v4l2_subdev *tda9887; + struct video_device *videodev, *radiodev; + struct mutex dev_lock; + + struct vb2_queue videoqueue; + u32 input; + bool stop_streaming; + u32 width, height; + u32 field_order; + struct cxusb_medion_auxbuf auxbuf; + v4l2_std_id norm; + + struct urb *streamurbs[CXUSB_VIDEO_URBS]; + unsigned long urbcomplete; + struct work_struct urbwork; + unsigned int nexturb; + + struct cxusb_bt656_params bt656; + struct cxusb_medion_vbuffer *vbuf; + __u32 vbuf_sequence; + + struct list_head buflist; + + struct completion v4l2_release; +#endif +}; + +struct cxusb_medion_vbuffer { + struct vb2_v4l2_buffer vb2; + struct list_head list; +}; + +/* defines for "debug" module parameter */ +#define CXUSB_DBG_RC BIT(0) +#define CXUSB_DBG_I2C BIT(1) +#define CXUSB_DBG_MISC BIT(2) +#define CXUSB_DBG_BT656 BIT(3) +#define CXUSB_DBG_URB BIT(4) +#define CXUSB_DBG_OPS BIT(5) +#define CXUSB_DBG_AUXB BIT(6) + +extern int dvb_usb_cxusb_debug; + +#define cxusb_vprintk(dvbdev, lvl, ...) do { \ + struct cxusb_medion_dev *_cxdev = (dvbdev)->priv; \ + if (dvb_usb_cxusb_debug & CXUSB_DBG_##lvl) \ + v4l2_printk(KERN_DEBUG, \ + &_cxdev->v4l2dev, __VA_ARGS__); \ + } while (0) + +int cxusb_ctrl_msg(struct dvb_usb_device *d, + u8 cmd, const u8 *wbuf, int wlen, u8 *rbuf, int rlen); + +#ifdef CONFIG_DVB_USB_CXUSB_ANALOG +int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev); +int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev); +void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev); +#else +static inline int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev) +{ + return -EINVAL; +} + +static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev) +{ + return 0; +} + +static inline void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev) +{ +} +#endif + +int cxusb_medion_get(struct dvb_usb_device *dvbdev, + enum cxusb_open_type open_type); +void cxusb_medion_put(struct dvb_usb_device *dvbdev); + +#endif |