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, |
85 | CXUSB_OPEN_NONE, |
86 | CXUSB_OPEN_ANALOG, |
87 | CXUSB_OPEN_DIGITAL |
88 | }; |
89 | |
90 | struct cxusb_medion_auxbuf { |
91 | u8 *buf; |
92 | unsigned int len; |
93 | unsigned int paylen; |
94 | }; |
95 | |
96 | enum cxusb_bt656_mode { |
97 | NEW_FRAME, FIRST_FIELD, SECOND_FIELD |
98 | }; |
99 | |
100 | enum cxusb_bt656_fmode { |
101 | START_SEARCH, LINE_SAMPLES, VBI_SAMPLES |
102 | }; |
103 | |
104 | struct 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 | |
113 | struct 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_ANALOG |
124 | 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 | #endif |
152 | }; |
153 | |
154 | struct 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 | |
168 | extern 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 | |
177 | int 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_ANALOG |
181 | int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev); |
182 | int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev); |
183 | void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev); |
184 | #else |
185 | static inline int cxusb_medion_analog_init(struct dvb_usb_device *dvbdev) |
186 | { |
187 | return -EINVAL; |
188 | } |
189 | |
190 | static inline int cxusb_medion_register_analog(struct dvb_usb_device *dvbdev) |
191 | { |
192 | return 0; |
193 | } |
194 | |
195 | static inline void cxusb_medion_unregister_analog(struct dvb_usb_device *dvbdev) |
196 | { |
197 | } |
198 | #endif |
199 | |
200 | int cxusb_medion_get(struct dvb_usb_device *dvbdev, |
201 | enum cxusb_open_type open_type); |
202 | void cxusb_medion_put(struct dvb_usb_device *dvbdev); |
203 | |
204 | #endif |
205 | |