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9aba42ef | 1 | /* |
e86da6f0 | 2 | * Hauppauge HD PVR USB driver |
9aba42ef JG |
3 | * |
4 | * Copyright (C) 2008 Janne Grunau (j@jannau.net) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation, version 2. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/usb.h> | |
13 | #include <linux/i2c.h> | |
14 | #include <linux/mutex.h> | |
15 | #include <linux/workqueue.h> | |
16 | #include <linux/videodev2.h> | |
17 | ||
18 | #define HDPVR_MAJOR_VERSION 0 | |
19 | #define HDPVR_MINOR_VERSION 2 | |
20 | #define HDPVR_RELEASE 0 | |
21 | #define HDPVR_VERSION \ | |
22 | KERNEL_VERSION(HDPVR_MAJOR_VERSION, HDPVR_MINOR_VERSION, HDPVR_RELEASE) | |
23 | ||
24 | #define HDPVR_MAX 8 | |
25 | ||
26 | /* Define these values to match your devices */ | |
27 | #define HD_PVR_VENDOR_ID 0x2040 | |
28 | #define HD_PVR_PRODUCT_ID 0x4900 | |
29 | #define HD_PVR_PRODUCT_ID1 0x4901 | |
30 | #define HD_PVR_PRODUCT_ID2 0x4902 | |
31 | ||
32 | #define UNSET (-1U) | |
33 | ||
34 | #define NUM_BUFFERS 64 | |
35 | ||
36 | #define HDPVR_FIRMWARE_VERSION 0x8 | |
37 | #define HDPVR_FIRMWARE_VERSION_AC3 0xd | |
38 | ||
39 | /* #define HDPVR_DEBUG */ | |
40 | ||
41 | extern int hdpvr_debug; | |
42 | ||
43 | #define MSG_INFO 1 | |
44 | #define MSG_BUFFER 2 | |
45 | ||
46 | struct hdpvr_options { | |
47 | u8 video_std; | |
48 | u8 video_input; | |
49 | u8 audio_input; | |
50 | u8 bitrate; /* in 100kbps */ | |
51 | u8 peak_bitrate; /* in 100kbps */ | |
52 | u8 bitrate_mode; | |
53 | u8 gop_mode; | |
54 | enum v4l2_mpeg_audio_encoding audio_codec; | |
55 | u8 brightness; | |
56 | u8 contrast; | |
57 | u8 hue; | |
58 | u8 saturation; | |
59 | u8 sharpness; | |
60 | }; | |
61 | ||
62 | /* Structure to hold all of our device specific stuff */ | |
63 | struct hdpvr_device { | |
64 | /* the v4l device for this device */ | |
65 | struct video_device *video_dev; | |
66 | /* the usb device for this device */ | |
67 | struct usb_device *udev; | |
68 | ||
69 | /* the max packet size of the bulk endpoint */ | |
70 | size_t bulk_in_size; | |
71 | /* the address of the bulk in endpoint */ | |
72 | __u8 bulk_in_endpointAddr; | |
73 | ||
74 | /* holds the current device status */ | |
75 | __u8 status; | |
76 | /* count the number of openers */ | |
77 | uint open_count; | |
78 | ||
79 | /* holds the cureent set options */ | |
80 | struct hdpvr_options options; | |
81 | ||
82 | uint flags; | |
83 | ||
84 | /* synchronize I/O */ | |
85 | struct mutex io_mutex; | |
86 | /* available buffers */ | |
87 | struct list_head free_buff_list; | |
88 | /* in progress buffers */ | |
89 | struct list_head rec_buff_list; | |
90 | /* waitqueue for buffers */ | |
91 | wait_queue_head_t wait_buffer; | |
92 | /* waitqueue for data */ | |
93 | wait_queue_head_t wait_data; | |
94 | /**/ | |
95 | struct workqueue_struct *workqueue; | |
96 | /**/ | |
97 | struct work_struct worker; | |
98 | ||
99 | /* I2C adapter */ | |
100 | struct i2c_adapter *i2c_adapter; | |
101 | /* I2C lock */ | |
102 | struct mutex i2c_mutex; | |
103 | ||
104 | /* usb control transfer buffer and lock */ | |
105 | struct mutex usbc_mutex; | |
106 | u8 *usbc_buf; | |
107 | }; | |
108 | ||
109 | ||
110 | /* buffer one bulk urb of data */ | |
111 | struct hdpvr_buffer { | |
112 | struct list_head buff_list; | |
113 | ||
114 | struct urb *urb; | |
115 | ||
116 | struct hdpvr_device *dev; | |
117 | ||
118 | uint pos; | |
119 | ||
120 | __u8 status; | |
121 | }; | |
122 | ||
123 | /* */ | |
124 | ||
125 | struct hdpvr_video_info { | |
126 | u16 width; | |
127 | u16 height; | |
128 | u8 fps; | |
129 | }; | |
130 | ||
131 | enum { | |
132 | STATUS_UNINITIALIZED = 0, | |
133 | STATUS_IDLE, | |
134 | STATUS_STARTING, | |
135 | STATUS_SHUTTING_DOWN, | |
136 | STATUS_STREAMING, | |
137 | STATUS_ERROR, | |
138 | STATUS_DISCONNECTED, | |
139 | }; | |
140 | ||
141 | enum { | |
142 | HDPVR_FLAG_AC3_CAP = 1, | |
143 | }; | |
144 | ||
145 | enum { | |
146 | BUFSTAT_UNINITIALIZED = 0, | |
147 | BUFSTAT_AVAILABLE, | |
148 | BUFSTAT_INPROGRESS, | |
149 | BUFSTAT_READY, | |
150 | }; | |
151 | ||
152 | #define CTRL_START_STREAMING_VALUE 0x0700 | |
153 | #define CTRL_STOP_STREAMING_VALUE 0x0800 | |
154 | #define CTRL_BITRATE_VALUE 0x1000 | |
155 | #define CTRL_BITRATE_MODE_VALUE 0x1200 | |
156 | #define CTRL_GOP_MODE_VALUE 0x1300 | |
157 | #define CTRL_VIDEO_INPUT_VALUE 0x1500 | |
158 | #define CTRL_VIDEO_STD_TYPE 0x1700 | |
159 | #define CTRL_AUDIO_INPUT_VALUE 0x2500 | |
160 | #define CTRL_BRIGHTNESS 0x2900 | |
161 | #define CTRL_CONTRAST 0x2a00 | |
162 | #define CTRL_HUE 0x2b00 | |
163 | #define CTRL_SATURATION 0x2c00 | |
164 | #define CTRL_SHARPNESS 0x2d00 | |
165 | #define CTRL_LOW_PASS_FILTER_VALUE 0x3100 | |
166 | ||
167 | #define CTRL_DEFAULT_INDEX 0x0003 | |
168 | ||
169 | ||
170 | /* :0 s 38 01 1000 0003 0004 4 = 0a00ca00 | |
171 | * BITRATE SETTING | |
172 | * 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s | |
173 | * min: 1 mbit/s, max: 13.5 mbit/s | |
174 | * 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s | |
175 | * min: average + 100kbit/s, | |
176 | * max: 20.2 mbit/s | |
177 | */ | |
178 | ||
179 | /* :0 s 38 01 1200 0003 0001 1 = 02 | |
180 | * BIT RATE MODE | |
181 | * constant = 1, variable (peak) = 2, variable (average) = 3 | |
182 | */ | |
183 | ||
184 | /* :0 s 38 01 1300 0003 0001 1 = 03 | |
185 | * GOP MODE (2 bit) | |
186 | * low bit 0/1: advanced/simple GOP | |
187 | * high bit 0/1: IDR(4/32/128) / no IDR (4/32/0) | |
188 | */ | |
189 | ||
190 | /* :0 s 38 01 1700 0003 0001 1 = 00 | |
191 | * VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz | |
192 | */ | |
193 | ||
194 | /* :0 s 38 01 3100 0003 0004 4 = 03030000 | |
195 | * FILTER CONTROL | |
196 | * 1st byte luma low pass filter strength, | |
197 | * 2nd byte chroma low pass filter strength, | |
198 | * 3rd byte MF enable chroma, min=0, max=1 | |
199 | * 4th byte n | |
200 | */ | |
201 | ||
202 | ||
203 | /* :0 s 38 b9 0001 0000 0000 0 */ | |
204 | ||
205 | ||
206 | ||
207 | /* :0 s 38 d3 0000 0000 0001 1 = 00 */ | |
208 | /* ret = usb_control_msg(dev->udev, */ | |
209 | /* usb_sndctrlpipe(dev->udev, 0), */ | |
210 | /* 0xd3, 0x38, */ | |
211 | /* 0, 0, */ | |
212 | /* "\0", 1, */ | |
213 | /* 1000); */ | |
214 | ||
215 | /* info("control request returned %d", ret); */ | |
216 | /* msleep(5000); */ | |
217 | ||
218 | ||
219 | /* :0 s b8 81 1400 0003 0005 5 < | |
220 | * :0 0 5 = d0024002 19 | |
221 | * QUERY FRAME SIZE AND RATE | |
222 | * 1st and 2nd byte (little endian): horizontal resolution | |
223 | * 3rd and 4th byte (little endian): vertical resolution | |
224 | * 5th byte: frame rate | |
225 | */ | |
226 | ||
227 | /* :0 s b8 81 1800 0003 0003 3 < | |
228 | * :0 0 3 = 030104 | |
229 | * QUERY SIGNAL AND DETECTED LINES, maybe INPUT | |
230 | */ | |
231 | ||
232 | enum hdpvr_video_std { | |
233 | HDPVR_60HZ = 0, | |
234 | HDPVR_50HZ, | |
235 | }; | |
236 | ||
237 | enum hdpvr_video_input { | |
238 | HDPVR_COMPONENT = 0, | |
239 | HDPVR_SVIDEO, | |
240 | HDPVR_COMPOSITE, | |
241 | HDPVR_VIDEO_INPUTS | |
242 | }; | |
243 | ||
244 | enum hdpvr_audio_inputs { | |
245 | HDPVR_RCA_BACK = 0, | |
246 | HDPVR_RCA_FRONT, | |
247 | HDPVR_SPDIF, | |
248 | HDPVR_AUDIO_INPUTS | |
249 | }; | |
250 | ||
251 | enum hdpvr_bitrate_mode { | |
252 | HDPVR_CONSTANT = 1, | |
253 | HDPVR_VARIABLE_PEAK, | |
254 | HDPVR_VARIABLE_AVERAGE, | |
255 | }; | |
256 | ||
257 | enum hdpvr_gop_mode { | |
258 | HDPVR_ADVANCED_IDR_GOP = 0, | |
259 | HDPVR_SIMPLE_IDR_GOP, | |
260 | HDPVR_ADVANCED_NOIDR_GOP, | |
261 | HDPVR_SIMPLE_NOIDR_GOP, | |
262 | }; | |
263 | ||
264 | void hdpvr_delete(struct hdpvr_device *dev); | |
265 | ||
266 | /*========================================================================*/ | |
267 | /* hardware control functions */ | |
268 | int hdpvr_set_options(struct hdpvr_device *dev); | |
269 | ||
270 | int hdpvr_set_bitrate(struct hdpvr_device *dev); | |
271 | ||
272 | int hdpvr_set_audio(struct hdpvr_device *dev, u8 input, | |
273 | enum v4l2_mpeg_audio_encoding codec); | |
274 | ||
275 | int hdpvr_config_call(struct hdpvr_device *dev, uint value, | |
276 | unsigned char valbuf); | |
277 | ||
278 | struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev); | |
279 | ||
280 | /* :0 s b8 81 1800 0003 0003 3 < */ | |
281 | /* :0 0 3 = 0301ff */ | |
282 | int get_input_lines_info(struct hdpvr_device *dev); | |
283 | ||
284 | ||
285 | /*========================================================================*/ | |
286 | /* v4l2 registration */ | |
a50ab291 JG |
287 | int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, |
288 | int devnumber); | |
9aba42ef JG |
289 | |
290 | int hdpvr_cancel_queue(struct hdpvr_device *dev); | |
291 | ||
292 | /*========================================================================*/ | |
293 | /* i2c adapter registration */ | |
294 | int hdpvr_register_i2c_adapter(struct hdpvr_device *dev); | |
295 | ||
296 | /*========================================================================*/ | |
297 | /* buffer management */ | |
298 | int hdpvr_free_buffers(struct hdpvr_device *dev); | |
299 | int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count); |