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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef _DVB_USB_CXUSB_H_3#define _DVB_USB_CXUSB_H_4 5#include <linux/completion.h>6#include <linux/i2c.h>7#include <linux/list.h>8#include <linux/mutex.h>9#include <linux/usb.h>10#include <linux/workqueue.h>11#include <media/v4l2-common.h>12#include <media/v4l2-dev.h>13#include <media/v4l2-device.h>14#include <media/videobuf2-core.h>15#include <media/videobuf2-v4l2.h>16 17#define DVB_USB_LOG_PREFIX "cxusb"18#include "dvb-usb.h"19 20#define CXUSB_VIDEO_URBS (5)21#define CXUSB_VIDEO_URB_MAX_SIZE (512 * 1024)22 23#define CXUSB_VIDEO_PKT_SIZE 303024#define CXUSB_VIDEO_MAX_FRAME_PKTS 34625#define CXUSB_VIDEO_MAX_FRAME_SIZE (CXUSB_VIDEO_MAX_FRAME_PKTS * \26 CXUSB_VIDEO_PKT_SIZE)27 28/* usb commands - some of it are guesses, don't have a reference yet */29#define CMD_BLUEBIRD_GPIO_RW 0x0530 31#define CMD_I2C_WRITE 0x0832#define CMD_I2C_READ 0x0933 34#define CMD_GPIO_READ 0x0d35#define CMD_GPIO_WRITE 0x0e36#define GPIO_TUNER 0x0237 38#define CMD_POWER_OFF 0xdc39#define CMD_POWER_ON 0xde40 41#define CMD_STREAMING_ON 0x3642#define CMD_STREAMING_OFF 0x3743 44#define CMD_AVER_STREAM_ON 0x1845#define CMD_AVER_STREAM_OFF 0x1946 47#define CMD_GET_IR_CODE 0x4748 49#define CMD_ANALOG 0x5050#define CMD_DIGITAL 0x5151 52#define CXUSB_BT656_PREAMBLE ((const u8 *)"\xff\x00\x00")53 54#define CXUSB_BT656_FIELD_MASK BIT(6)55#define CXUSB_BT656_FIELD_1 056#define CXUSB_BT656_FIELD_2 BIT(6)57 58#define CXUSB_BT656_VBI_MASK BIT(5)59#define CXUSB_BT656_VBI_ON BIT(5)60#define CXUSB_BT656_VBI_OFF 061 62#define CXUSB_BT656_SEAV_MASK BIT(4)63#define CXUSB_BT656_SEAV_EAV BIT(4)64#define CXUSB_BT656_SEAV_SAV 065 66/* Max transfer size done by I2C transfer functions */67#define MAX_XFER_SIZE 8068 69struct cxusb_state {70 u8 gpio_write_state[3];71 bool gpio_write_refresh[3];72 struct i2c_client *i2c_client_demod;73 struct i2c_client *i2c_client_tuner;74 75 unsigned char data[MAX_XFER_SIZE];76 77 struct mutex stream_mutex;78 u8 last_lock;79 int (*fe_read_status)(struct dvb_frontend *fe,80 enum fe_status *status);81};82 83enum cxusb_open_type {84 CXUSB_OPEN_INIT,85 CXUSB_OPEN_NONE,86 CXUSB_OPEN_ANALOG,87 CXUSB_OPEN_DIGITAL88};89 90struct cxusb_medion_auxbuf {91 u8 *buf;92 unsigned int len;93 unsigned int paylen;94};95 96enum cxusb_bt656_mode {97 NEW_FRAME, FIRST_FIELD, SECOND_FIELD98};99 100enum cxusb_bt656_fmode {101 START_SEARCH, LINE_SAMPLES, VBI_SAMPLES102};103 104struct cxusb_bt656_params {105 enum cxusb_bt656_mode mode;106 enum cxusb_bt656_fmode fmode;107 unsigned int pos;108 unsigned int line;109 unsigned int linesamples;110 u8 *buf;111};112 113struct cxusb_medion_dev {114 /* has to be the first one */115 struct cxusb_state state;116 117 struct dvb_usb_device *dvbdev;118 119 enum cxusb_open_type open_type;120 unsigned int open_ctr;121 struct mutex open_lock;122 123#ifdef CONFIG_DVB_USB_CXUSB_ANALOG124 struct v4l2_device v4l2dev;125 struct v4l2_subdev *cx25840;126 struct v4l2_subdev *tuner;127 struct v4l2_subdev *tda9887;128 struct video_device *videodev, *radiodev;129 struct mutex dev_lock;130 131 struct vb2_queue videoqueue;132 u32 input;133 bool stop_streaming;134 u32 width, height;135 u32 field_order;136 struct cxusb_medion_auxbuf auxbuf;137 v4l2_std_id norm;138 139 struct urb *streamurbs[CXUSB_VIDEO_URBS];140 unsigned long urbcomplete;141 struct work_struct urbwork;142 unsigned int nexturb;143 144 struct cxusb_bt656_params bt656;145 struct cxusb_medion_vbuffer *vbuf;146 __u32 vbuf_sequence;147 148 struct list_head buflist;149 150 struct completion v4l2_release;151#endif152};153 154struct cxusb_medion_vbuffer {155 struct vb2_v4l2_buffer vb2;156 struct list_head list;157};158 159/* defines for "debug" module parameter */160#define CXUSB_DBG_RC BIT(0)161#define CXUSB_DBG_I2C BIT(1)162#define CXUSB_DBG_MISC BIT(2)163#define CXUSB_DBG_BT656 BIT(3)164#define CXUSB_DBG_URB BIT(4)165#define CXUSB_DBG_OPS BIT(5)166#define CXUSB_DBG_AUXB BIT(6)167 168extern int dvb_usb_cxusb_debug;169 170#define cxusb_vprintk(dvbdev, lvl, ...) do { \171 struct cxusb_medion_dev *_cxdev = (dvbdev)->priv; \172 if (dvb_usb_cxusb_debug & CXUSB_DBG_##lvl) \173 v4l2_printk(KERN_DEBUG, \174 &_cxdev->v4l2dev, __VA_ARGS__); \175 } while (0)176 177int cxusb_ctrl_msg(struct dvb_usb_device *d,178 u8 cmd, const u8 *wbuf, int wlen, u8 *rbuf, int rlen);179 180#ifdef CONFIG_DVB_USB_CXUSB_ANALOG181int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev);182int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev);183void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev);184#else185static inline int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev)186{187 return -EINVAL;188}189 190static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev)191{192 return 0;193}194 195static inline void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev)196{197}198#endif199 200int cxusb_medion_get(struct dvb_usb_device *dvbdev,201 enum cxusb_open_type open_type);202void cxusb_medion_put(struct dvb_usb_device *dvbdev);203 204#endif205