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/* 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
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