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 workqueue_struct *workqueue; 111 /**/ 112 struct work_struct worker; 113 /* current stream owner */ 114 struct v4l2_fh *owner; 115 116 /* I2C adapter */ 117 struct i2c_adapter i2c_adapter; 118 /* I2C lock */ 119 struct mutex i2c_mutex; 120 /* I2C message buffer space */ 121 char i2c_buf[HDPVR_I2C_MAX_SIZE]; 122 123 /* For passing data to ir-kbd-i2c */ 124 struct IR_i2c_init_data ir_i2c_init_data; 125 126 /* usb control transfer buffer and lock */ 127 struct mutex usbc_mutex; 128 u8 *usbc_buf; 129 u8 fw_ver; 130 }; 131 132 static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev) 133 { 134 return container_of(v4l2_dev, struct hdpvr_device, v4l2_dev); 135 } 136 137 138 /* buffer one bulk urb of data */ 139 struct hdpvr_buffer { 140 struct list_head buff_list; 141 142 struct urb *urb; 143 144 struct hdpvr_device *dev; 145 146 uint pos; 147 148 __u8 status; 149 }; 150 151 /* */ 152 153 struct hdpvr_video_info { 154 u16 width; 155 u16 height; 156 u8 fps; 157 bool valid; 158 }; 159 160 enum { 161 STATUS_UNINITIALIZED = 0, 162 STATUS_IDLE, 163 STATUS_STARTING, 164 STATUS_SHUTTING_DOWN, 165 STATUS_STREAMING, 166 STATUS_ERROR, 167 STATUS_DISCONNECTED, 168 }; 169 170 enum { 171 HDPVR_FLAG_AC3_CAP = 1, 172 }; 173 174 enum { 175 BUFSTAT_UNINITIALIZED = 0, 176 BUFSTAT_AVAILABLE, 177 BUFSTAT_INPROGRESS, 178 BUFSTAT_READY, 179 }; 180 181 #define CTRL_START_STREAMING_VALUE 0x0700 182 #define CTRL_STOP_STREAMING_VALUE 0x0800 183 #define CTRL_BITRATE_VALUE 0x1000 184 #define CTRL_BITRATE_MODE_VALUE 0x1200 185 #define CTRL_GOP_MODE_VALUE 0x1300 186 #define CTRL_VIDEO_INPUT_VALUE 0x1500 187 #define CTRL_VIDEO_STD_TYPE 0x1700 188 #define CTRL_AUDIO_INPUT_VALUE 0x2500 189 #define CTRL_BRIGHTNESS 0x2900 190 #define CTRL_CONTRAST 0x2a00 191 #define CTRL_HUE 0x2b00 192 #define CTRL_SATURATION 0x2c00 193 #define CTRL_SHARPNESS 0x2d00 194 #define CTRL_LOW_PASS_FILTER_VALUE 0x3100 195 196 #define CTRL_DEFAULT_INDEX 0x0003 197 198 199 /* :0 s 38 01 1000 0003 0004 4 = 0a00ca00 200 * BITRATE SETTING 201 * 1st and 2nd byte (little endian): average bitrate in 100 000 bit/s 202 * min: 1 mbit/s, max: 13.5 mbit/s 203 * 3rd and 4th byte (little endian): peak bitrate in 100 000 bit/s 204 * min: average + 100kbit/s, 205 * max: 20.2 mbit/s 206 */ 207 208 /* :0 s 38 01 1200 0003 0001 1 = 02 209 * BIT RATE MODE 210 * constant = 1, variable (peak) = 2, variable (average) = 3 211 */ 212 213 /* :0 s 38 01 1300 0003 0001 1 = 03 214 * GOP MODE (2 bit) 215 * low bit 0/1: advanced/simple GOP 216 * high bit 0/1: IDR(4/32/128) / no IDR (4/32/0) 217 */ 218 219 /* :0 s 38 01 1700 0003 0001 1 = 00 220 * VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz 221 */ 222 223 /* :0 s 38 01 3100 0003 0004 4 = 03030000 224 * FILTER CONTROL 225 * 1st byte luma low pass filter strength, 226 * 2nd byte chroma low pass filter strength, 227 * 3rd byte MF enable chroma, min=0, max=1 228 * 4th byte n 229 */ 230 231 232 /* :0 s 38 b9 0001 0000 0000 0 */ 233 234 235 236 /* :0 s 38 d3 0000 0000 0001 1 = 00 */ 237 /* ret = usb_control_msg(dev->udev, */ 238 /* usb_sndctrlpipe(dev->udev, 0), */ 239 /* 0xd3, 0x38, */ 240 /* 0, 0, */ 241 /* "\0", 1, */ 242 /* 1000); */ 243 244 /* info("control request returned %d", ret); */ 245 /* msleep(5000); */ 246 247 248 /* :0 s b8 81 1400 0003 0005 5 < 249 * :0 0 5 = d0024002 19 250 * QUERY FRAME SIZE AND RATE 251 * 1st and 2nd byte (little endian): horizontal resolution 252 * 3rd and 4th byte (little endian): vertical resolution 253 * 5th byte: frame rate 254 */ 255 256 /* :0 s b8 81 1800 0003 0003 3 < 257 * :0 0 3 = 030104 258 * QUERY SIGNAL AND DETECTED LINES, maybe INPUT 259 */ 260 261 enum hdpvr_video_std { 262 HDPVR_60HZ = 0, 263 HDPVR_50HZ, 264 }; 265 266 enum hdpvr_video_input { 267 HDPVR_COMPONENT = 0, 268 HDPVR_SVIDEO, 269 HDPVR_COMPOSITE, 270 HDPVR_VIDEO_INPUTS 271 }; 272 273 enum hdpvr_audio_inputs { 274 HDPVR_RCA_BACK = 0, 275 HDPVR_RCA_FRONT, 276 HDPVR_SPDIF, 277 HDPVR_AUDIO_INPUTS 278 }; 279 280 enum hdpvr_bitrate_mode { 281 HDPVR_CONSTANT = 1, 282 HDPVR_VARIABLE_PEAK, 283 HDPVR_VARIABLE_AVERAGE, 284 }; 285 286 enum hdpvr_gop_mode { 287 HDPVR_ADVANCED_IDR_GOP = 0, 288 HDPVR_SIMPLE_IDR_GOP, 289 HDPVR_ADVANCED_NOIDR_GOP, 290 HDPVR_SIMPLE_NOIDR_GOP, 291 }; 292 293 void hdpvr_delete(struct hdpvr_device *dev); 294 295 /*========================================================================*/ 296 /* hardware control functions */ 297 int hdpvr_set_options(struct hdpvr_device *dev); 298 299 int hdpvr_set_bitrate(struct hdpvr_device *dev); 300 301 int hdpvr_set_audio(struct hdpvr_device *dev, u8 input, 302 enum v4l2_mpeg_audio_encoding codec); 303 304 int hdpvr_config_call(struct hdpvr_device *dev, uint value, 305 unsigned char valbuf); 306 307 int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vid_info); 308 309 /* :0 s b8 81 1800 0003 0003 3 < */ 310 /* :0 0 3 = 0301ff */ 311 int get_input_lines_info(struct hdpvr_device *dev); 312 313 314 /*========================================================================*/ 315 /* v4l2 registration */ 316 int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent, 317 int devnumber); 318 319 int hdpvr_cancel_queue(struct hdpvr_device *dev); 320 321 /*========================================================================*/ 322 /* i2c adapter registration */ 323 int hdpvr_register_i2c_adapter(struct hdpvr_device *dev); 324 325 struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev); 326 struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev); 327 328 /*========================================================================*/ 329 /* buffer management */ 330 int hdpvr_free_buffers(struct hdpvr_device *dev); 331 int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count); 332