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 3030 24 #define CXUSB_VIDEO_MAX_FRAME_PKTS 346 25 #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 0x05 30 31 #define CMD_I2C_WRITE 0x08 32 #define CMD_I2C_READ 0x09 33 34 #define CMD_GPIO_READ 0x0d 35 #define CMD_GPIO_WRITE 0x0e 36 #define GPIO_TUNER 0x02 37 38 #define CMD_POWER_OFF 0xdc 39 #define CMD_POWER_ON 0xde 40 41 #define CMD_STREAMING_ON 0x36 42 #define CMD_STREAMING_OFF 0x37 43 44 #define CMD_AVER_STREAM_ON 0x18 45 #define CMD_AVER_STREAM_OFF 0x19 46 47 #define CMD_GET_IR_CODE 0x47 48 49 #define CMD_ANALOG 0x50 50 #define CMD_DIGITAL 0x51 51 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 0 56 #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 0 61 62 #define CXUSB_BT656_SEAV_MASK BIT(4) 63 #define CXUSB_BT656_SEAV_EAV BIT(4) 64 #define CXUSB_BT656_SEAV_SAV 0 65 66 /* Max transfer size done by I2C transfer functions */ 67 #define MAX_XFER_SIZE 80 68 69 struct 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 83 enum cxusb_open_type { 84 CXUSB_OPEN_INIT, CXUSB_OPEN_NONE, 85 CXUSB_OPEN_ANALOG, CXUSB_OPEN_DIGITAL 86 }; 87 88 struct cxusb_medion_auxbuf { 89 u8 *buf; 90 unsigned int len; 91 unsigned int paylen; 92 }; 93 94 enum cxusb_bt656_mode { 95 NEW_FRAME, FIRST_FIELD, SECOND_FIELD 96 }; 97 98 enum cxusb_bt656_fmode { 99 START_SEARCH, LINE_SAMPLES, VBI_SAMPLES 100 }; 101 102 struct cxusb_bt656_params { 103 enum cxusb_bt656_mode mode; 104 enum cxusb_bt656_fmode fmode; 105 unsigned int pos; 106 unsigned int line; 107 unsigned int linesamples; 108 u8 *buf; 109 }; 110 111 struct cxusb_medion_dev { 112 /* has to be the first one */ 113 struct cxusb_state state; 114 115 struct dvb_usb_device *dvbdev; 116 117 enum cxusb_open_type open_type; 118 unsigned int open_ctr; 119 struct mutex open_lock; 120 121 #ifdef CONFIG_DVB_USB_CXUSB_ANALOG 122 struct v4l2_device v4l2dev; 123 struct v4l2_subdev *cx25840; 124 struct v4l2_subdev *tuner; 125 struct v4l2_subdev *tda9887; 126 struct video_device *videodev, *radiodev; 127 struct mutex dev_lock; 128 129 struct vb2_queue videoqueue; 130 u32 input; 131 bool stop_streaming; 132 u32 width, height; 133 u32 field_order; 134 struct cxusb_medion_auxbuf auxbuf; 135 v4l2_std_id norm; 136 137 struct urb *streamurbs[CXUSB_VIDEO_URBS]; 138 unsigned long urbcomplete; 139 struct work_struct urbwork; 140 unsigned int nexturb; 141 142 struct cxusb_bt656_params bt656; 143 struct cxusb_medion_vbuffer *vbuf; 144 __u32 vbuf_sequence; 145 146 struct list_head buflist; 147 148 struct completion v4l2_release; 149 #endif 150 }; 151 152 struct cxusb_medion_vbuffer { 153 struct vb2_v4l2_buffer vb2; 154 struct list_head list; 155 }; 156 157 /* defines for "debug" module parameter */ 158 #define CXUSB_DBG_RC BIT(0) 159 #define CXUSB_DBG_I2C BIT(1) 160 #define CXUSB_DBG_MISC BIT(2) 161 #define CXUSB_DBG_BT656 BIT(3) 162 #define CXUSB_DBG_URB BIT(4) 163 #define CXUSB_DBG_OPS BIT(5) 164 #define CXUSB_DBG_AUXB BIT(6) 165 166 extern int dvb_usb_cxusb_debug; 167 168 #define cxusb_vprintk(dvbdev, lvl, ...) do { \ 169 struct cxusb_medion_dev *_cxdev = (dvbdev)->priv; \ 170 if (dvb_usb_cxusb_debug & CXUSB_DBG_##lvl) \ 171 v4l2_printk(KERN_DEBUG, \ 172 &_cxdev->v4l2dev, __VA_ARGS__); \ 173 } while (0) 174 175 int cxusb_ctrl_msg(struct dvb_usb_device *d, 176 u8 cmd, const u8 *wbuf, int wlen, u8 *rbuf, int rlen); 177 178 #ifdef CONFIG_DVB_USB_CXUSB_ANALOG 179 int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev); 180 int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev); 181 void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev); 182 #else 183 static inline int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev) 184 { 185 return -EINVAL; 186 } 187 188 static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev) 189 { 190 return 0; 191 } 192 193 static inline void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev) 194 { 195 } 196 #endif 197 198 int cxusb_medion_get(struct dvb_usb_device *dvbdev, 199 enum cxusb_open_type open_type); 200 void cxusb_medion_put(struct dvb_usb_device *dvbdev); 201 202 #endif 203