| 63 | bool |
---|
| 64 | BounceSlaveDevice::probe( ConfigRom& configRom ) |
---|
| 65 | { |
---|
| 66 | // we are always capable of constructing a slave device |
---|
| 67 | return true; |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | bool |
---|
| 71 | BounceSlaveDevice::discover() |
---|
| 72 | { |
---|
| 73 | m_model = &(supportedDeviceList[0]); |
---|
| 74 | if (m_model != NULL) { |
---|
| 75 | debugOutput( DEBUG_LEVEL_VERBOSE, "found %s %s\n", |
---|
| 76 | m_model->vendor_name, m_model->model_name); |
---|
| 77 | return true; |
---|
| 78 | } |
---|
| 79 | return false; |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | bool BounceSlaveDevice::initMemSpace() { |
---|
| 83 | debugOutput(DEBUG_LEVEL_VERBOSE, "Initializing memory space...\n"); |
---|
| 84 | fb_quadlet_t result=0xFFFFFFFFLU; |
---|
| 85 | |
---|
| 86 | // initialize the ISO channel registers |
---|
| 87 | // this will write to our own registers |
---|
| 88 | if (!writeReg(BOUNCE_REGISTER_TX_ISOCHANNEL, result)) { |
---|
| 89 | debugError("Could not initalize ISO channel register for TX\n"); |
---|
| 90 | return false; |
---|
| 91 | } |
---|
| 92 | if (!writeReg(BOUNCE_REGISTER_RX_ISOCHANNEL, result)) { |
---|
| 93 | debugError("Could not initalize ISO channel register for TX\n"); |
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| 94 | return false; |
---|
| 95 | } |
---|
| 96 | |
---|
| 97 | // set everything such that we can be discovered |
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| 98 | m_original_config_rom=save_config_rom( m_p1394Service->getHandle() ); |
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| 99 | |
---|
| 100 | if ( init_config_rom( m_p1394Service->getHandle() ) < 0 ) { |
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| 101 | debugError("Could not initalize local config rom\n"); |
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| 102 | return false; |
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| 103 | } |
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| 104 | |
---|
| 105 | // refresh our config rom cache |
---|
| 106 | if ( !m_configRom->initialize() ) { |
---|
| 107 | // \todo If a PHY on the bus is in power safe mode then |
---|
| 108 | // the config rom is missing. So this might be just |
---|
| 109 | // such this case and we can safely skip it. But it might |
---|
| 110 | // be there is a real software problem on our side. |
---|
| 111 | // This should be handled more carefuly. |
---|
| 112 | debugError( "Could not reread config rom from device (node id %d).\n", |
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| 113 | m_nodeId ); |
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| 114 | return false; |
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| 115 | } |
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| 116 | return true; |
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| 117 | } |
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| 118 | |
---|
| 119 | bool BounceSlaveDevice::restoreMemSpace() { |
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| 120 | debugOutput(DEBUG_LEVEL_VERBOSE, "Restoring memory space...\n"); |
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| 121 | restore_config_rom( m_p1394Service->getHandle(), m_original_config_rom); |
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| 122 | return true; |
---|
| 123 | } |
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| 124 | |
---|
| 125 | bool |
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| 126 | BounceSlaveDevice::lock() { |
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| 127 | debugOutput(DEBUG_LEVEL_VERBOSE, "Locking %s %s at node %d\n", |
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| 128 | m_model->vendor_name, m_model->model_name, m_nodeId); |
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| 129 | |
---|
| 130 | // get a notifier to handle device notifications |
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| 131 | nodeaddr_t notify_address; |
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| 132 | notify_address = m_p1394Service->findFreeARMBlock( |
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| 133 | BOUNCE_REGISTER_BASE, |
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| 134 | BOUNCE_REGISTER_LENGTH, |
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| 135 | BOUNCE_REGISTER_LENGTH); |
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| 136 | |
---|
| 137 | if (notify_address == 0xFFFFFFFFFFFFFFFFLLU) { |
---|
| 138 | debugError("Could not find free ARM block for notification\n"); |
---|
| 139 | return false; |
---|
| 140 | } |
---|
| 141 | |
---|
| 142 | m_Notifier=new BounceSlaveDevice::BounceSlaveNotifier(this, notify_address); |
---|
| 143 | |
---|
| 144 | if(!m_Notifier) { |
---|
| 145 | debugError("Could not allocate notifier\n"); |
---|
| 146 | return false; |
---|
| 147 | } |
---|
| 148 | |
---|
| 149 | if (!m_p1394Service->registerARMHandler(m_Notifier)) { |
---|
| 150 | debugError("Could not register notifier\n"); |
---|
| 151 | delete m_Notifier; |
---|
| 152 | m_Notifier=NULL; |
---|
| 153 | return false; |
---|
| 154 | } |
---|
| 155 | |
---|
| 156 | // (re)initialize the memory space |
---|
| 157 | if (!initMemSpace()) { |
---|
| 158 | debugError("Could not initialize memory space\n"); |
---|
| 159 | return false; |
---|
| 160 | } |
---|
| 161 | |
---|
| 162 | return true; |
---|
| 163 | } |
---|
| 164 | |
---|
| 165 | bool |
---|
| 166 | BounceSlaveDevice::unlock() { |
---|
| 167 | // (re)initialize the memory space |
---|
| 168 | if (!restoreMemSpace()) { |
---|
| 169 | debugError("Could not restore memory space\n"); |
---|
| 170 | return false; |
---|
| 171 | } |
---|
| 172 | m_p1394Service->unregisterARMHandler(m_Notifier); |
---|
| 173 | delete m_Notifier; |
---|
| 174 | m_Notifier=NULL; |
---|
| 175 | |
---|
| 176 | return true; |
---|
| 177 | } |
---|
| 178 | |
---|
| 179 | bool |
---|
| 180 | BounceSlaveDevice::prepare() { |
---|
| 181 | // snooping does not make sense for a slave device |
---|
| 182 | setOption("snoopMode", false); |
---|
| 183 | |
---|
| 184 | // prepare the base class |
---|
| 185 | // FIXME: when doing proper discovery this won't work anymore |
---|
| 186 | // as it relies on a completely symmetric transmit/receive |
---|
| 187 | if(!BounceDevice::prepare()) { |
---|
| 188 | debugError("Base class preparation failed\n"); |
---|
| 189 | return false; |
---|
| 190 | } |
---|
| 191 | |
---|
| 192 | // do any customisations here |
---|
| 193 | |
---|
| 194 | return true; |
---|
| 195 | } |
---|
| 196 | |
---|
| 197 | // this has to wait until the ISO channel numbers are written |
---|
| 198 | bool |
---|
| 199 | BounceSlaveDevice::startStreamByIndex(int i) { |
---|
| 200 | |
---|
| 201 | if (i<(int)m_receiveProcessors.size()) { |
---|
| 202 | int n=i; |
---|
| 203 | Streaming::StreamProcessor *p=m_receiveProcessors.at(n); |
---|
| 204 | |
---|
| 205 | // the other side sends on this channel |
---|
| 206 | nodeaddr_t iso_channel_offset = BOUNCE_REGISTER_RX_ISOCHANNEL; |
---|
| 207 | iso_channel_offset += ((unsigned)n)*4; |
---|
| 208 | |
---|
| 209 | if (!waitForRegisterNotEqualTo(iso_channel_offset, 0xFFFFFFFFLU)) { |
---|
| 210 | debugError("Timeout waiting for stream %d to get an ISO channel\n",i); |
---|
| 211 | return false; |
---|
| 212 | } |
---|
| 213 | |
---|
| 214 | fb_quadlet_t result; |
---|
| 215 | // this will read from our own registers |
---|
| 216 | if (!readReg(iso_channel_offset, &result)) { |
---|
| 217 | debugError("Could not read ISO channel register for stream %d\n",i); |
---|
| 218 | return false; |
---|
| 219 | } |
---|
| 220 | |
---|
| 221 | // set ISO channel |
---|
| 222 | p->setChannel(result); |
---|
| 223 | |
---|
| 224 | return true; |
---|
| 225 | |
---|
| 226 | } else if (i<(int)m_receiveProcessors.size() + (int)m_transmitProcessors.size()) { |
---|
| 227 | int n=i-m_receiveProcessors.size(); |
---|
| 228 | Streaming::StreamProcessor *p=m_transmitProcessors.at(n); |
---|
| 229 | |
---|
| 230 | // the other side sends on this channel |
---|
| 231 | nodeaddr_t iso_channel_offset = BOUNCE_REGISTER_TX_ISOCHANNEL; |
---|
| 232 | iso_channel_offset += ((unsigned)n)*4; |
---|
| 233 | |
---|
| 234 | if (!waitForRegisterNotEqualTo(iso_channel_offset, 0xFFFFFFFF)) { |
---|
| 235 | debugError("Timeout waiting for stream %d to get an ISO channel\n",i); |
---|
| 236 | return false; |
---|
| 237 | } |
---|
| 238 | |
---|
| 239 | fb_quadlet_t result; |
---|
| 240 | // this will read from our own registers |
---|
| 241 | if (!readReg(iso_channel_offset, &result)) { |
---|
| 242 | debugError("Could not read ISO channel register for stream %d\n",i); |
---|
| 243 | return false; |
---|
| 244 | } |
---|
| 245 | |
---|
| 246 | // set ISO channel |
---|
| 247 | p->setChannel(result); |
---|
| 248 | |
---|
| 249 | return true; |
---|
| 250 | |
---|
| 251 | } |
---|
| 252 | |
---|
| 253 | debugError("SP index %d out of range!\n",i); |
---|
| 254 | |
---|
| 255 | return false; |
---|
| 256 | } |
---|
| 257 | |
---|
| 258 | bool |
---|
| 259 | BounceSlaveDevice::stopStreamByIndex(int i) { |
---|
| 260 | // nothing special to do I guess... |
---|
| 261 | return false; |
---|
| 262 | } |
---|
| 263 | |
---|
| 264 | // helpers |
---|
| 265 | bool |
---|
| 266 | BounceSlaveDevice::waitForRegisterNotEqualTo(nodeaddr_t offset, fb_quadlet_t v) { |
---|
| 267 | debugOutput( DEBUG_LEVEL_VERBOSE, "Waiting for StreamProcessor streams to start running...\n"); |
---|
| 268 | // we have to wait until all streamprocessors indicate that they are running |
---|
| 269 | // i.e. that there is actually some data stream flowing |
---|
| 270 | int timeoutSecs=120; |
---|
| 271 | if(!getOption("isoTimeoutSecs", timeoutSecs)) { |
---|
| 272 | debugWarning("Could not retrieve isoTimeoutSecs parameter, defauling to 120secs\n"); |
---|
| 273 | } |
---|
| 274 | |
---|
| 275 | int wait_cycles=timeoutSecs*10; // two seconds |
---|
| 276 | |
---|
| 277 | fb_quadlet_t reg=v; |
---|
| 278 | |
---|
| 279 | while ((v == reg) && wait_cycles) { |
---|
| 280 | wait_cycles--; |
---|
| 281 | if (!readReg(offset,®)) { |
---|
| 282 | debugError("Could not read register\n"); |
---|
| 283 | return false; |
---|
| 284 | } |
---|
| 285 | usleep(100000); |
---|
| 286 | } |
---|
| 287 | |
---|
| 288 | if(!wait_cycles) { // timout has occurred |
---|
| 289 | return false; |
---|
| 290 | } |
---|
| 291 | |
---|
| 292 | return true; |
---|
| 293 | } |
---|
| 294 | |
---|
| 295 | // configrom helpers |
---|
| 296 | // FIXME: should be changed into a better framework |
---|
| 297 | |
---|
| 298 | |
---|
| 299 | struct BounceSlaveDevice::configrom_backup |
---|
| 300 | BounceSlaveDevice::save_config_rom(raw1394handle_t handle) |
---|
| 301 | { |
---|
| 302 | int retval; |
---|
| 303 | struct configrom_backup tmp; |
---|
| 304 | /* get the current rom image */ |
---|
| 305 | retval=raw1394_get_config_rom(handle, tmp.rom, 0x100, &tmp.rom_size, &tmp.rom_version); |
---|
| 306 | // tmp.rom_size=rom1394_get_size(tmp.rom); |
---|
| 307 | // printf("save_config_rom get_config_rom returned %d, romsize %d, rom_version %d:\n",retval,tmp.rom_size,tmp.rom_version); |
---|
| 308 | |
---|
| 309 | return tmp; |
---|
| 310 | } |
---|
| 311 | |
---|
| 312 | int |
---|
| 313 | BounceSlaveDevice::restore_config_rom(raw1394handle_t handle, struct BounceSlaveDevice::configrom_backup old) |
---|
| 314 | { |
---|
| 315 | int retval; |
---|
| 316 | // int i; |
---|
| 317 | |
---|
| 318 | quadlet_t current_rom[0x100]; |
---|
| 319 | size_t current_rom_size; |
---|
| 320 | unsigned char current_rom_version; |
---|
| 321 | |
---|
| 322 | retval=raw1394_get_config_rom(handle, current_rom, 0x100, ¤t_rom_size, ¤t_rom_version); |
---|
| 323 | // printf("restore_config_rom get_config_rom returned %d, romsize %d, rom_version %d:\n",retval,current_rom_size,current_rom_version); |
---|
| 324 | |
---|
| 325 | // printf("restore_config_rom restoring to romsize %d, rom_version %d:\n",old.rom_size,old.rom_version); |
---|
| 326 | |
---|
| 327 | retval = raw1394_update_config_rom(handle, old.rom, old.rom_size, current_rom_version); |
---|
| 328 | // printf("restore_config_rom update_config_rom returned %d\n",retval); |
---|
| 329 | |
---|
| 330 | /* get the current rom image */ |
---|
| 331 | retval=raw1394_get_config_rom(handle, current_rom, 0x100, ¤t_rom_size, ¤t_rom_version); |
---|
| 332 | current_rom_size = rom1394_get_size(current_rom); |
---|
| 333 | // printf("get_config_rom returned %d, romsize %d, rom_version %d:",retval,current_rom_size,current_rom_version); |
---|
| 334 | // for (i = 0; i < current_rom_size; i++) |
---|
| 335 | // { |
---|
| 336 | // if (i % 4 == 0) printf("\n0x%04x:", CSR_CONFIG_ROM+i*4); |
---|
| 337 | // printf(" %08x", ntohl(current_rom[i])); |
---|
| 338 | // } |
---|
| 339 | // printf("\n"); |
---|
| 340 | |
---|
| 341 | return retval; |
---|
| 342 | } |
---|
| 343 | |
---|
| 344 | int |
---|
| 345 | BounceSlaveDevice::init_config_rom(raw1394handle_t handle) |
---|
| 346 | { |
---|
| 347 | int retval, i; |
---|
| 348 | quadlet_t rom[0x100]; |
---|
| 349 | size_t rom_size; |
---|
| 350 | unsigned char rom_version; |
---|
| 351 | rom1394_directory dir; |
---|
| 352 | char *leaf; |
---|
| 353 | |
---|
| 354 | /* get the current rom image */ |
---|
| 355 | retval=raw1394_get_config_rom(handle, rom, 0x100, &rom_size, &rom_version); |
---|
| 356 | rom_size = rom1394_get_size(rom); |
---|
| 357 | // printf("get_config_rom returned %d, romsize %d, rom_version %d:",retval,rom_size,rom_version); |
---|
| 358 | // for (i = 0; i < rom_size; i++) |
---|
| 359 | // { |
---|
| 360 | // if (i % 4 == 0) printf("\n0x%04x:", CSR_CONFIG_ROM+i*4); |
---|
| 361 | // printf(" %08x", ntohl(rom[i])); |
---|
| 362 | // } |
---|
| 363 | // printf("\n"); |
---|
| 364 | |
---|
| 365 | /* get the local directory */ |
---|
| 366 | rom1394_get_directory( handle, raw1394_get_local_id(handle) & 0x3f, &dir); |
---|
| 367 | |
---|
| 368 | /* change the vendor description for kicks */ |
---|
| 369 | i = strlen(dir.textual_leafs[0]); |
---|
| 370 | strncpy(dir.textual_leafs[0], FREEBOB_BOUNCE_SERVER_VENDORNAME " ", i); |
---|
| 371 | |
---|
| 372 | dir.vendor_id=FREEBOB_BOUNCE_SERVER_VENDORID; |
---|
| 373 | dir.model_id=FREEBOB_BOUNCE_SERVER_MODELID; |
---|
| 374 | |
---|
| 375 | /* update the rom */ |
---|
| 376 | retval = rom1394_set_directory(rom, &dir); |
---|
| 377 | // printf("rom1394_set_directory returned %d, romsize %d:",retval,rom_size); |
---|
| 378 | // for (i = 0; i < rom_size; i++) |
---|
| 379 | // { |
---|
| 380 | // if (i % 4 == 0) printf("\n0x%04x:", CSR_CONFIG_ROM+i*4); |
---|
| 381 | // printf(" %08x", ntohl(rom[i])); |
---|
| 382 | // } |
---|
| 383 | // printf("\n"); |
---|
| 384 | |
---|
| 385 | /* free the allocated mem for the textual leaves */ |
---|
| 386 | rom1394_free_directory( &dir); |
---|
| 387 | |
---|
| 388 | /* add an AV/C unit directory */ |
---|
| 389 | dir.unit_spec_id = FREEBOB_BOUNCE_SERVER_SPECID; |
---|
| 390 | dir.unit_sw_version = 0x00010001; |
---|
| 391 | leaf = FREEBOB_BOUNCE_SERVER_MODELNAME; |
---|
| 392 | dir.nr_textual_leafs = 1; |
---|
| 393 | dir.textual_leafs = &leaf; |
---|
| 394 | |
---|
| 395 | /* manipulate the rom */ |
---|
| 396 | retval = rom1394_add_unit( rom, &dir); |
---|
| 397 | |
---|
| 398 | /* get the computed size of the rom image */ |
---|
| 399 | rom_size = rom1394_get_size(rom); |
---|
| 400 | |
---|
| 401 | // printf("rom1394_add_unit_directory returned %d, romsize %d:",retval,rom_size); |
---|
| 402 | // for (i = 0; i < rom_size; i++) |
---|
| 403 | // { |
---|
| 404 | // if (i % 4 == 0) printf("\n0x%04x:", CSR_CONFIG_ROM+i*4); |
---|
| 405 | // printf(" %08x", ntohl(rom[i])); |
---|
| 406 | // } |
---|
| 407 | // printf("\n"); |
---|
| 408 | // |
---|
| 409 | /* convert computed rom size from quadlets to bytes before update */ |
---|
| 410 | rom_size *= sizeof(quadlet_t); |
---|
| 411 | retval = raw1394_update_config_rom(handle, rom, rom_size, rom_version); |
---|
| 412 | // printf("update_config_rom returned %d\n",retval); |
---|
| 413 | |
---|
| 414 | retval=raw1394_get_config_rom(handle, rom, 0x100, &rom_size, &rom_version); |
---|
| 415 | // printf("get_config_rom returned %d, romsize %d, rom_version %d:",retval,rom_size,rom_version); |
---|
| 416 | // for (i = 0; i < rom_size; i++) |
---|
| 417 | // { |
---|
| 418 | // if (i % 4 == 0) printf("\n0x%04x:", CSR_CONFIG_ROM+i*4); |
---|
| 419 | // printf(" %08x", ntohl(rom[i])); |
---|
| 420 | // } |
---|
| 421 | // printf("\n"); |
---|
| 422 | |
---|
| 423 | // printf("You need to reload your ieee1394 modules to reset the rom.\n"); |
---|
| 424 | |
---|
| 425 | return 0; |
---|
| 426 | } |
---|
| 427 | |
---|
| 428 | |
---|
| 429 | // the notifier |
---|
| 430 | |
---|
| 431 | BounceSlaveDevice::BounceSlaveNotifier::BounceSlaveNotifier(BounceSlaveDevice *d, nodeaddr_t start) |
---|
| 432 | : ARMHandler(start, BOUNCE_REGISTER_LENGTH, |
---|
| 433 | RAW1394_ARM_READ | RAW1394_ARM_WRITE, // allowed operations |
---|
| 434 | 0, //RAW1394_ARM_READ | RAW1394_ARM_WRITE, // operations to be notified of |
---|
| 435 | 0) // operations that are replied to by us (instead of kernel) |
---|
| 436 | , m_bounceslavedevice(d) |
---|
| 437 | { |
---|
| 438 | |
---|
| 439 | } |
---|
| 440 | |
---|
| 441 | BounceSlaveDevice::BounceSlaveNotifier::~BounceSlaveNotifier() |
---|
| 442 | { |
---|
| 443 | |
---|
| 444 | } |
---|
| 445 | |
---|