1/* 2 * Copyright 2004-2008, François Revol, <revol@free.fr>. 3 * Distributed under the terms of the MIT License. 4 */ 5 6#include "NW80xCamDevice.h" 7#include "CamDebug.h" 8#include "CamSensor.h" 9 10// reference drivers: 11// http://nw802.cvs.sourceforge.net 12// http://nw802.cvs.sourceforge.net/nw802/nw802-2.4/ 13// http://www.medias.ne.jp/~takam/bsd/NetBSD.html#nw802 14// https://dev.openwrt.org/attachment/ticket/2319/nw802-patch.txt 15// win binary driver template, readme has interesting info: 16// http://www.bulgar-bg.com/Downloads/drivers/PCAMDriver/ 17// http://www.bulgar-bg.com/Downloads/drivers/PCAMDriver/Readme.txt 18 19const usb_webcam_support_descriptor kSupportedDevices[] = { 20{{ 0, 0, 0, 0x046d, 0xd001 }, "Logitech", "QuickCam Pro", "??" }, // Alan's 21// other IDs according to nw802 linux driver: 22{{ 0, 0, 0, 0x052b, 0xd001 }, "Ezonics", "EZCam Pro", "??" }, 23{{ 0, 0, 0, 0x055f, 0xd001 }, "Mustek"/*"PCLine"*/, "WCam 300"/*"PCL-W300"*/, "??" }, 24{{ 0, 0, 0, 0x06a5, 0xd001 }, "Divio", "NW802", "??" }, 25{{ 0, 0, 0, 0x06a5, 0x0000 }, "Divio", "NW800", "??" }, 26{{ 0, 0, 0, 0, 0}, NULL, NULL, NULL } 27}; 28 29 30#warning TODO! 31 32// datasheets: (scarce) 33// http://www.digchip.com/datasheets/parts/datasheet/132/NW800.php 34// http://www.digchip.com/datasheets/parts/datasheet/132/NW802.php 35// http://web.archive.org/web/*/divio.com/* 36// http://web.archive.org/web/20020217173519/divio.com/NW802.html 37// 38// supported sensors: 39// Sensor Model # Data Width Voltage Timing 40// Conexant CN0352 10 bits 3.3 V Master 41// Elecvision EVS110K 8 bits 3.3 V Slave 42// HP (Agilent) HDC1000 10 bits 3.3 V Master 43// Hyundai HB7121B 8 bits 3.3 V Master 44// Pixart PAS006AC 9 bits 3.3 V Master 45// TASC TAS5110A 9 bits 3.8 V Slave 46// 47// http://www.wifi.com.ar/english/doc/webcam/ov511cameras.html says: 48// 06a5 (Divio) d800 Etoms ET31X110 (A.K.A Divio NW800) 49 50NW80xCamDevice::NW80xCamDevice(CamDeviceAddon &_addon, BUSBDevice* _device) 51 :CamDevice(_addon, _device) 52{ 53 status_t err; 54 55 // linux seems to infer this sets I2C controller to 8 or 16 bit mode... 56 // sensors will set to the mode they want when probing 57 SetIICBitsMode(8); 58 err = ProbeSensor(); 59 if (err < B_OK) { 60 // reset I2C mode to 8 bit as linux driver does 61 SetIICBitsMode(8); 62 // not much we can do anyway 63 } 64 65 fInitStatus = B_OK; 66} 67 68 69NW80xCamDevice::~NW80xCamDevice() 70{ 71 72} 73 74 75bool 76NW80xCamDevice::SupportsBulk() 77{ 78 return true; 79} 80 81 82bool 83NW80xCamDevice::SupportsIsochronous() 84{ 85 return true; 86} 87 88 89status_t 90NW80xCamDevice::StartTransfer() 91{ 92 status_t err; 93 uint8 r; 94 95 SetScale(1); 96 if (Sensor()) 97 SetVideoFrame(BRect(0, 0, Sensor()->MaxWidth()-1, Sensor()->MaxHeight()-1)); 98 99 //SetVideoFrame(BRect(0, 0, 320-1, 240-1)); 100 101DumpRegs(); 102#if 0 103 err = ReadReg(SN9C102_CHIP_CTRL, &r, 1, true); 104 if (err < 0) 105 return err; 106 r |= 0x04; 107 err = WriteReg8(SN9C102_CHIP_CTRL, r); 108 if (err < 0) 109 return err; 110#endif 111 return CamDevice::StartTransfer(); 112} 113 114 115status_t 116NW80xCamDevice::StopTransfer() 117{ 118 status_t err; 119 uint8 r; 120 121DumpRegs(); 122 err = CamDevice::StopTransfer(); 123#if 0 124// if (err < 0) 125// return err; 126 err = ReadReg(SN9C102_CHIP_CTRL, &r, 1, true); 127 if (err < 0) 128 return err; 129 r &= ~0x04; 130 err = WriteReg8(SN9C102_CHIP_CTRL, r); 131 if (err < 0) 132 return err; 133#endif 134 return err; 135} 136 137 138ssize_t 139NW80xCamDevice::WriteReg(uint16 address, uint8 *data, size_t count) 140{ 141 PRINT((CH "(%u, @%p, %u)" CT, address, data, count)); 142 return SendCommand(USB_REQTYPE_DEVICE_OUT, 0x04, address, 0, count, data); 143} 144 145 146ssize_t 147NW80xCamDevice::ReadReg(uint16 address, uint8 *data, size_t count, bool cached) 148{ 149 PRINT((CH "(%u, @%p, %u, %d)" CT, address, data, count, cached)); 150 memset(data, 0xaa, count); // linux drivers do that without explaining why !? 151 return SendCommand(USB_REQTYPE_DEVICE_IN, 0x04, address, 0, count, data); 152} 153 154 155status_t 156NW80xCamDevice::GetStatusIIC() 157{ 158 status_t err = B_ERROR; 159 uint8 status = 0; 160#warning WRITEME 161 //dprintf(ID "i2c_status: error 0x%08lx, status = %02x\n", err, status); 162 if (err < 0) 163 return err; 164 return (status&0x08)?EIO:0; 165} 166 167 168status_t 169NW80xCamDevice::WaitReadyIIC() 170{ 171 status_t err; 172#warning WRITEME 173 return EBUSY; 174} 175 176 177ssize_t 178NW80xCamDevice::WriteIIC(uint8 address, uint8 *data, size_t count) 179{ 180 status_t err; 181 int i; 182 uint8 buffer[0x23]; 183 if (count > 16) 184 return EINVAL; 185 memset(buffer, 0, sizeof(buffer)); 186 buffer[0x20] = Sensor() ? Sensor()->IICWriteAddress() : 0; 187 buffer[0x21] = count - 1; 188 buffer[0x22] = 0x01; 189 for (i = 0; i < count; i++) { 190 buffer[i] = address + i; 191 buffer[i+16] = data[i]; 192 } 193 return SendCommand(USB_REQTYPE_DEVICE_OUT, 0x04, STV_I2C_WRITE, 0, 0x23, buffer); 194} 195 196 197ssize_t 198NW80xCamDevice::ReadIIC(uint8 address, uint8 *data) 199{ 200 return ReadIIC(address, data); 201} 202 203 204ssize_t 205NW80xCamDevice::ReadIIC8(uint8 address, uint8 *data) 206{ 207 status_t err; 208 int i; 209 uint8 buffer[0x23]; 210 memset(buffer, 0, sizeof(buffer)); 211 buffer[0x20] = Sensor() ? Sensor()->IICReadAddress() : 0; 212 buffer[0x21] = 1 - 1; 213 buffer[0x22] = 0x03; 214 buffer[0] = address; 215 err = SendCommand(USB_REQTYPE_DEVICE_OUT, 0x04, STV_I2C_WRITE, 0, 0x23, buffer); 216 PRINT((CH ": SendCommand: %s" CT, strerror(err))); 217 if (err < B_OK) 218 return err; 219 220 buffer[0] = 0xaa; 221 err = SendCommand(USB_REQTYPE_DEVICE_IN, 0x04, STV_I2C_READ, 0, 0x1, buffer); 222 PRINT((CH ": SendCommand: %s" CT, strerror(err))); 223 if (err < B_OK) 224 return err; 225 226 *data = buffer[0]; 227 PRINT((CH ": 0x%02x" CT, *data)); 228 return 1; 229} 230 231 232ssize_t 233NW80xCamDevice::ReadIIC16(uint8 address, uint16 *data) 234{ 235 status_t err; 236 int i; 237 uint8 buffer[0x23]; 238 memset(buffer, 0, sizeof(buffer)); 239 buffer[0x20] = Sensor() ? Sensor()->IICReadAddress() : 0; 240 buffer[0x21] = 1 - 1; 241 buffer[0x22] = 0x03; 242 buffer[0] = address; 243 err = SendCommand(USB_REQTYPE_DEVICE_OUT, 0x04, STV_I2C_WRITE, 0, 0x23, buffer); 244 if (err < B_OK) 245 return err; 246 247 buffer[0] = 0xaa; 248 buffer[1] = 0xaa; 249 err = SendCommand(USB_REQTYPE_DEVICE_IN, 0x04, STV_I2C_READ, 0, 0x2, buffer); 250 PRINT((CH ": SendCommand: %s" CT, strerror(err))); 251 if (err < B_OK) 252 return err; 253 254 if (fChipIsBigEndian) 255 *data = B_HOST_TO_BENDIAN_INT16(*(uint16 *)(&buffer[0])); 256 else 257 *data = B_HOST_TO_LENDIAN_INT16(*(uint16 *)(&buffer[0])); 258 PRINT((CH ": 0x%04x" CT, *data)); 259 return 2; 260} 261 262 263status_t 264NW80xCamDevice::SetIICBitsMode(size_t bits) 265{ 266 switch (bits) { 267 case 8: 268 WriteReg8(STV_REG23, 0); 269 break; 270 case 16: 271 WriteReg8(STV_REG23, 1); 272 break; 273 default: 274 return EINVAL; 275 } 276 return B_OK; 277} 278 279 280status_t 281NW80xCamDevice::SendCommand(uint8 dir, uint8 request, uint16 value, 282 uint16 index, uint16 length, void* data) 283{ 284 size_t ret; 285 if (!GetDevice()) 286 return ENODEV; 287 if (length > GetDevice()->MaxEndpoint0PacketSize()) 288 return EINVAL; 289 ret = GetDevice()->ControlTransfer( 290 USB_REQTYPE_VENDOR | dir, 291 request, value, index, length, data); 292 return ret; 293} 294 295 296NW80xCamDeviceAddon::NW80xCamDeviceAddon(WebCamMediaAddOn* webcam) 297 : CamDeviceAddon(webcam) 298{ 299 SetSupportedDevices(kSupportedDevices); 300} 301 302 303NW80xCamDeviceAddon::~NW80xCamDeviceAddon() 304{ 305} 306 307 308const char * 309NW80xCamDeviceAddon::BrandName() 310{ 311 return "NW80x-based"; 312} 313 314 315NW80xCamDevice * 316NW80xCamDeviceAddon::Instantiate(CamRoster &roster, BUSBDevice *from) 317{ 318 return new NW80xCamDevice(*this, from); 319} 320 321 322extern "C" status_t 323B_WEBCAM_MKINTFUNC(nw80xcam) 324(WebCamMediaAddOn* webcam, CamDeviceAddon **addon) 325{ 326 *addon = new NW80xCamDeviceAddon(webcam); 327 return B_OK; 328} 329