1 /* 2 * Hauppauge 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 #include <media/v4l2-device.h> 19 #include <media/v4l2-ctrls.h> 20 #include <media/i2c/ir-kbd-i2c.h> 21 22 #define HDPVR_MAX 8 23 #define HDPVR_I2C_MAX_SIZE 128 24 25 /* Define these values to match your devices */ 26 #define HD_PVR_VENDOR_ID 0x2040 27 #define HD_PVR_PRODUCT_ID 0x4900 28 #define HD_PVR_PRODUCT_ID1 0x4901 29 #define HD_PVR_PRODUCT_ID2 0x4902 30 #define HD_PVR_PRODUCT_ID4 0x4903 31 #define HD_PVR_PRODUCT_ID3 0x4982 32 33 #define UNSET (-1U) 34 35 #define NUM_BUFFERS 64 36 37 #define HDPVR_FIRMWARE_VERSION 0x08 38 #define HDPVR_FIRMWARE_VERSION_AC3 0x0d 39 #define HDPVR_FIRMWARE_VERSION_0X12 0x12 40 #define HDPVR_FIRMWARE_VERSION_0X15 0x15 41 #define HDPVR_FIRMWARE_VERSION_0X1E 0x1e 42 43 /* #define HDPVR_DEBUG */ 44 45 extern int hdpvr_debug; 46 47 #define MSG_INFO 1 48 #define MSG_BUFFER 2 49 50 struct hdpvr_options { 51 u8 video_std; 52 u8 video_input; 53 u8 audio_input; 54 u8 bitrate; /* in 100kbps */ 55 u8 peak_bitrate; /* in 100kbps */ 56 u8 bitrate_mode; 57 u8 gop_mode; 58 enum v4l2_mpeg_audio_encoding audio_codec; 59 u8 brightness; 60 u8 contrast; 61 u8 hue; 62 u8 saturation; 63 u8 sharpness; 64 }; 65 66 /* Structure to hold all of our device specific stuff */ 67 struct hdpvr_device { 68 /* the v4l device for this device */ 69 struct video_device video_dev; 70 /* the control handler for this device */ 71 struct v4l2_ctrl_handler hdl; 72 /* the usb device for this device */ 73 struct usb_device *udev; 74 /* v4l2-device unused */ 75 struct v4l2_device v4l2_dev; 76 struct { /* video mode/bitrate control cluster */ 77 struct v4l2_ctrl *video_mode; 78 struct v4l2_ctrl *video_bitrate; 79 struct v4l2_ctrl *video_bitrate_peak; 80 }; 81 /* v4l2 format */ 82 uint width, height; 83 84 /* the max packet size of the bulk endpoint */ 85 size_t bulk_in_size; 86 /* the address of the bulk in endpoint */ 87 __u8 bulk_in_endpointAddr; 88 89 /* holds the current device status */ 90 __u8 status; 91 92 /* holds the current set options */ 93 struct hdpvr_options options; 94 v4l2_std_id cur_std; 95 struct v4l2_dv_timings cur_dv_timings; 96 97 uint flags; 98 99 /* synchronize I/O */ 100 struct mutex io_mutex; 101 /* available buffers */ 102 struct list_head free_buff_list; 103 /* in progress buffers */ 104 struct list_head rec_buff_list; 105 /* waitqueue for buffers */ 106 wait_queue_head_t wait_buffer; 107 /* waitqueue for data */ 108 wait_queue_head_t wait_data; 109 /**/ 110 struct work_struct worker; 111 /* current stream owner */ 112 struct v4l2_fh *owner; 113 114 /* I2C adapter */ 115 struct i2c_adapter i2c_adapter; 116 /* I2C lock */ 117 struct mutex i2c_mutex; 118 /* I2C message buffer space */ 119 char i2c_buf[HDPVR_I2C_MAX_SIZE]; 120 121 /* For passing data to ir-kbd-i2c */ 122 struct IR_i2c_init_data ir_i2c_init_data; 123 124 /* usb control transfer buffer and lock */ 125 struct mutex usbc_mutex; 126 u8 *usbc_buf; 127 u8 fw_ver; 128 }; 129 130 static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev) 131 { 132 return container_of(v4l2_dev, struct hdpvr_device, v4l2_dev); 133 } 134 135 136 /* buffer one bulk urb of data */ 137 struct hdpvr_buffer { 138 struct list_head buff_list; 139 140 struct urb *urb; 141 142 struct hdpvr_device *dev; 143 144 uint pos; 145 146 __u8 status; 147 }; 148 149 /* */ 150 151 struct hdpvr_video_info { 152 u16 width; 153 u16 height; 154 u8 fps; 155 bool valid; 156 }; 157 158 enum { 159 STATUS_UNINITIALIZED = 0, 160 STATUS_IDLE, 161 STATUS_STARTING, 162 STATUS_SHUTTING_DOWN, 163 STATUS_STREAMING, 164 STATUS_ERROR, 165 STATUS_DISCONNECTED, 166 }; 167 168 enum { 169 HDPVR_FLAG_AC3_CAP = 1, 170 }; 171 172 enum { 173 BUFSTAT_UNINITIALIZED = 0, 174 BUFSTAT_AVAILABLE, 175 BUFSTAT_INPROGRESS, 176 BUFSTAT_READY, 177 }; 178 179 #define CTRL_START_STREAMING_VALUE 0x0700 180 #define CTRL_STOP_STREAMING_VALUE 0x0800 181 #define CTRL_BITRATE_VALUE 0x1000 182 #define CTRL_BITRATE_MODE_VALUE 0x1200 183 #define CTRL_GOP_MODE_VALUE 0x1300 184 #define CTRL_VIDEO_INPUT_VALUE 0x1500 185 #define CTRL_VIDEO_STD_TYPE 0x1700 186 #define CTRL_AUDIO_INPUT_VALUE 0x2500 187 #define CTRL_BRIGHTNESS 0x2900 188 #define CTRL_CONTRAST 0x2a00 189 #define CTRL_HUE 0x2b00 190 #define CTRL_SATURATION 0x2c00 191 #define CTRL_SHARPNESS 0x2d00 192 #define CTRL_LOW_PASS_FILTER_VALUE 0x3100 193 194 #define CTRL_DEFAULT_INDEX 0x0003 195 196 197 /* :0 s 38 01 1000 0003 0004 4 = 0a00ca00 198 * BITRATE SETTING 199 * 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s 200 * min: 1 mbit/s, max: 13.5 mbit/s 201 * 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s 202 * min: average + 100kbit/s, 203 * max: 20.2 mbit/s 204 */ 205 206 /* :0 s 38 01 1200 0003 0001 1 = 02 207 * BIT RATE MODE 208 * constant = 1, variable (peak) = 2, variable (average) = 3 209 */ 210 211 /* :0 s 38 01 1300 0003 0001 1 = 03 212 * GOP MODE (2 bit) 213 * low bit 0/1: advanced/simple GOP 214 * high bit 0/1: IDR(4/32/128) / no IDR (4/32/0) 215 */ 216 217 /* :0 s 38 01 1700 0003 0001 1 = 00 218 * VIDEO STANDARD or FREQUENCY 0 = 60hz, 1 = 50hz 219 */ 220 221 /* :0 s 38 01 3100 0003 0004 4 = 03030000 222 * FILTER CONTROL 223 * 1st byte luma low pass filter strength, 224 * 2nd byte chroma low pass filter strength, 225 * 3rd byte MF enable chroma, min=0, max=1 226 * 4th byte n 227 */ 228 229 230 /* :0 s 38 b9 0001 0000 0000 0 */ 231 232 233 234 /* :0 s 38 d3 0000 0000 0001 1 = 00 */ 235 /* ret = usb_control_msg(dev->udev, */ 236 /* usb_sndctrlpipe(dev->udev, 0), */ 237 /* 0xd3, 0x38, */ 238 /* 0, 0, */ 239 /* "\0", 1, */ 240 /* 1000); */ 241 242 /* info("control request returned %d", ret); */ 243 /* msleep(5000); */ 244 245 246 /* :0 s b8 81 1400 0003 0005 5 < 247 * :0 0 5 = d0024002 19 248 * QUERY FRAME SIZE AND RATE 249 * 1st and 2nd byte (little endian): horizontal resolution 250 * 3rd and 4th byte (little endian): vertical resolution 251 * 5th byte: frame rate 252 */ 253 254 /* :0 s b8 81 1800 0003 0003 3 < 255 * :0 0 3 = 030104 256 * QUERY SIGNAL AND DETECTED LINES, maybe INPUT 257 */ 258 259 enum hdpvr_video_std { 260 HDPVR_60HZ = 0, 261 HDPVR_50HZ, 262 }; 263 264 enum hdpvr_video_input { 265 HDPVR_COMPONENT = 0, 266 HDPVR_SVIDEO, 267 HDPVR_COMPOSITE, 268 HDPVR_VIDEO_INPUTS 269 }; 270 271 enum hdpvr_audio_inputs { 272 HDPVR_RCA_BACK = 0, 273 HDPVR_RCA_FRONT, 274 HDPVR_SPDIF, 275 HDPVR_AUDIO_INPUTS 276 }; 277 278 enum hdpvr_bitrate_mode { 279 HDPVR_CONSTANT = 1, 280 HDPVR_VARIABLE_PEAK, 281 HDPVR_VARIABLE_AVERAGE, 282 }; 283 284 enum hdpvr_gop_mode { 285 HDPVR_ADVANCED_IDR_GOP = 0, 286 HDPVR_SIMPLE_IDR_GOP, 287 HDPVR_ADVANCED_NOIDR_GOP, 288 HDPVR_SIMPLE_NOIDR_GOP, 289 }; 290 291 void hdpvr_delete(struct hdpvr_device *dev); 292 293 /*========================================================================*/ 294 /* hardware control functions */ 295 int hdpvr_set_options(struct hdpvr_device *dev); 296 297 int hdpvr_set_bitrate(struct hdpvr_device *dev); 298 299 int hdpvr_set_audio(struct hdpvr_device *dev, u8 input, 300 enum v4l2_mpeg_audio_encoding codec); 301 302 int hdpvr_config_call(struct hdpvr_device *dev, uint value, 303 unsigned char valbuf); 304 305 int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vid_info); 306 307 /* :0 s b8 81 1800 0003 0003 3 < */ 308 /* :0 0 3 = 0301ff */ 309 int get_input_lines_info(struct hdpvr_device *dev); 310 311 312 /*========================================================================*/ 313 /* v4l2 registration */ 314 int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, 315 int devnumber); 316 317 int hdpvr_cancel_queue(struct hdpvr_device *dev); 318 319 /*========================================================================*/ 320 /* i2c adapter registration */ 321 int hdpvr_register_i2c_adapter(struct hdpvr_device *dev); 322 323 struct i2c_client *hdpvr_register_ir_i2c(struct hdpvr_device *dev); 324 325 /*========================================================================*/ 326 /* buffer management */ 327 int hdpvr_free_buffers(struct hdpvr_device *dev); 328 int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count); 329