Janne Grunau | 9aba42e | 2009-03-18 18:10:04 -0300 | [diff] [blame^] | 1 | /* |
| 2 | * Hauppage HD PVR USB driver |
| 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 */ |
| 287 | int hdpvr_register_videodev(struct hdpvr_device *dev, int devnumber); |
| 288 | |
| 289 | int hdpvr_cancel_queue(struct hdpvr_device *dev); |
| 290 | |
| 291 | /*========================================================================*/ |
| 292 | /* i2c adapter registration */ |
| 293 | int hdpvr_register_i2c_adapter(struct hdpvr_device *dev); |
| 294 | |
| 295 | /*========================================================================*/ |
| 296 | /* buffer management */ |
| 297 | int hdpvr_free_buffers(struct hdpvr_device *dev); |
| 298 | int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count); |