1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 George V. Neville-Neil 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* 32 * The following set of constants are from Document SFF-8472 33 * "Diagnostic Monitoring Interface for Optical Transceivers" revision 34 * 11.3 published by the SFF Committee on June 11, 2013 35 * 36 * The SFF standard defines two ranges of addresses, each 255 bytes 37 * long for the storage of data and diagnostics on cables, such as 38 * SFP+ optics and TwinAx cables. The ranges are defined in the 39 * following way: 40 * 41 * Base Address 0xa0 (Identification Data) 42 * 0-95 Serial ID Defined by SFP MSA 43 * 96-127 Vendor Specific Data 44 * 128-255 Reserved 45 * 46 * Base Address 0xa2 (Diagnostic Data) 47 * 0-55 Alarm and Warning Thresholds 48 * 56-95 Cal Constants 49 * 96-119 Real Time Diagnostic Interface 50 * 120-127 Vendor Specific 51 * 128-247 User Writable EEPROM 52 * 248-255 Vendor Specific 53 * 54 * Note that not all addresses are supported. Where support is 55 * optional this is noted and instructions for checking for the 56 * support are supplied. 57 * 58 * All these values are read across an I2C (i squared C) bus. Any 59 * device wishing to read these addresses must first have support for 60 * i2c calls. The Chelsio T4/T5 driver (dev/cxgbe) is one such 61 * driver. 62 */ 63 64 65 /* Table 3.1 Two-wire interface ID: Data Fields */ 66 67 enum { 68 SFF_8472_BASE = 0xa0, /* Base address for all our queries. */ 69 SFF_8472_ID = 0, /* Transceiver Type (Table 3.2) */ 70 SFF_8472_EXT_ID = 1, /* Extended transceiver type (Table 3.3) */ 71 SFF_8472_CONNECTOR = 2, /* Connector type (Table 3.4) */ 72 SFF_8472_TRANS_START = 3, /* Elec or Optical Compatibility 73 * (Table 3.5) */ 74 SFF_8472_TRANS_END = 10, 75 SFF_8472_ENCODING = 11, /* Encoding Code for high speed 76 * serial encoding algorithm (see 77 * Table 3.6) */ 78 SFF_8472_BITRATE = 12, /* Nominal signaling rate, units 79 * of 100MBd. (see details for 80 * rates > 25.0Gb/s) */ 81 SFF_8472_RATEID = 13, /* Type of rate select 82 * functionality (see Table 83 * 3.6a) */ 84 SFF_8472_LEN_SMF_KM = 14, /* Link length supported for single 85 * mode fiber, units of km */ 86 SFF_8472_LEN_SMF = 15, /* Link length supported for single 87 * mode fiber, units of 100 m */ 88 SFF_8472_LEN_50UM = 16, /* Link length supported for 50 um 89 * OM2 fiber, units of 10 m */ 90 SFF_8472_LEN_625UM = 17, /* Link length supported for 62.5 91 * um OM1 fiber, units of 10 m */ 92 SFF_8472_LEN_OM4 = 18, /* Link length supported for 50um 93 * OM4 fiber, units of 10m. 94 * Alternatively copper or direct 95 * attach cable, units of m */ 96 SFF_8472_LEN_OM3 = 19, /* Link length supported for 50 um OM3 fiber, units of 10 m */ 97 SFF_8472_VENDOR_START = 20, /* Vendor name [Address A0h, Bytes 98 * 20-35] */ 99 SFF_8472_VENDOR_END = 35, 100 SFF_8472_TRANS = 36, /* Transceiver Code for electronic 101 * or optical compatibility (see 102 * Table 3.5) */ 103 SFF_8472_VENDOR_OUI_START = 37, /* Vendor OUI SFP vendor IEEE 104 * company ID */ 105 SFF_8472_VENDOR_OUI_END = 39, 106 SFF_8472_PN_START = 40, /* Vendor PN */ 107 SFF_8472_PN_END = 55, 108 SFF_8472_REV_START = 56, /* Vendor Revision */ 109 SFF_8472_REV_END = 59, 110 SFF_8472_WAVELEN_START = 60, /* Wavelength Laser wavelength 111 * (Passive/Active Cable 112 * Specification Compliance) */ 113 SFF_8472_WAVELEN_END = 61, 114 SFF_8472_CC_BASE = 63, /* CC_BASE Check code for Base ID 115 * Fields (addresses 0 to 62) */ 116 117 /* 118 * Extension Fields (optional) check the options before reading other 119 * addresses. 120 */ 121 SFF_8472_OPTIONS_MSB = 64, /* Options Indicates which optional 122 * transceiver signals are 123 * implemented */ 124 SFF_8472_OPTIONS_LSB = 65, /* (see Table 3.7) */ 125 SFF_8472_BR_MAX = 66, /* BR max Upper bit rate margin, 126 * units of % (see details for 127 * rates > 25.0Gb/s) */ 128 SFF_8472_BR_MIN = 67, /* Lower bit rate margin, units of 129 * % (see details for rates > 130 * 25.0Gb/s) */ 131 SFF_8472_SN_START = 68, /* Vendor SN [Address A0h, Bytes 68-83] */ 132 SFF_8472_SN_END = 83, 133 SFF_8472_DATE_START = 84, /* Date code Vendor’s manufacturing 134 * date code (see Table 3.8) */ 135 SFF_8472_DATE_END = 91, 136 SFF_8472_DIAG_TYPE = 92, /* Diagnostic Monitoring Type 137 * Indicates which type of 138 * diagnostic monitoring is 139 * implemented (if any) in the 140 * transceiver (see Table 3.9) 141 */ 142 143 SFF_8472_ENHANCED = 93, /* Enhanced Options Indicates which 144 * optional enhanced features are 145 * implemented (if any) in the 146 * transceiver (see Table 3.10) */ 147 SFF_8472_COMPLIANCE = 94, /* SFF-8472 Compliance Indicates 148 * which revision of SFF-8472 the 149 * transceiver complies with. (see 150 * Table 3.12)*/ 151 SFF_8472_CC_EXT = 95, /* Check code for the Extended ID 152 * Fields (addresses 64 to 94) 153 */ 154 155 SFF_8472_VENDOR_RSRVD_START = 96, 156 SFF_8472_VENDOR_RSRVD_END = 127, 157 158 SFF_8472_RESERVED_START = 128, 159 SFF_8472_RESERVED_END = 255 160 }; 161 162 #define SFF_8472_DIAG_IMPL (1 << 6) /* Required to be 1 */ 163 #define SFF_8472_DIAG_INTERNAL (1 << 5) /* Internal measurements. */ 164 #define SFF_8472_DIAG_EXTERNAL (1 << 4) /* External measurements. */ 165 #define SFF_8472_DIAG_POWER (1 << 3) /* Power measurement type */ 166 #define SFF_8472_DIAG_ADDR_CHG (1 << 2) /* Address change required. 167 * See SFF-8472 doc. */ 168 169 /* 170 * Diagnostics are available at the two wire address 0xa2. All 171 * diagnostics are OPTIONAL so you should check 0xa0 registers 92 to 172 * see which, if any are supported. 173 */ 174 175 enum {SFF_8472_DIAG = 0xa2}; /* Base address for diagnostics. */ 176 177 /* 178 * Table 3.15 Alarm and Warning Thresholds All values are 2 bytes 179 * and MUST be read in a single read operation starting at the MSB 180 */ 181 182 enum { 183 SFF_8472_TEMP_HIGH_ALM = 0, /* Temp High Alarm */ 184 SFF_8472_TEMP_LOW_ALM = 2, /* Temp Low Alarm */ 185 SFF_8472_TEMP_HIGH_WARN = 4, /* Temp High Warning */ 186 SFF_8472_TEMP_LOW_WARN = 6, /* Temp Low Warning */ 187 SFF_8472_VOLTAGE_HIGH_ALM = 8, /* Voltage High Alarm */ 188 SFF_8472_VOLTAGE_LOW_ALM = 10, /* Voltage Low Alarm */ 189 SFF_8472_VOLTAGE_HIGH_WARN = 12, /* Voltage High Warning */ 190 SFF_8472_VOLTAGE_LOW_WARN = 14, /* Voltage Low Warning */ 191 SFF_8472_BIAS_HIGH_ALM = 16, /* Bias High Alarm */ 192 SFF_8472_BIAS_LOW_ALM = 18, /* Bias Low Alarm */ 193 SFF_8472_BIAS_HIGH_WARN = 20, /* Bias High Warning */ 194 SFF_8472_BIAS_LOW_WARN = 22, /* Bias Low Warning */ 195 SFF_8472_TX_POWER_HIGH_ALM = 24, /* TX Power High Alarm */ 196 SFF_8472_TX_POWER_LOW_ALM = 26, /* TX Power Low Alarm */ 197 SFF_8472_TX_POWER_HIGH_WARN = 28, /* TX Power High Warning */ 198 SFF_8472_TX_POWER_LOW_WARN = 30, /* TX Power Low Warning */ 199 SFF_8472_RX_POWER_HIGH_ALM = 32, /* RX Power High Alarm */ 200 SFF_8472_RX_POWER_LOW_ALM = 34, /* RX Power Low Alarm */ 201 SFF_8472_RX_POWER_HIGH_WARN = 36, /* RX Power High Warning */ 202 SFF_8472_RX_POWER_LOW_WARN = 38, /* RX Power Low Warning */ 203 204 SFF_8472_RX_POWER4 = 56, /* Rx_PWR(4) Single precision 205 * floating point calibration data 206 * - Rx optical power. Bit 7 of 207 * byte 56 is MSB. Bit 0 of byte 208 * 59 is LSB. Rx_PWR(4) should be 209 * set to zero for “internally 210 * calibrated” devices. */ 211 SFF_8472_RX_POWER3 = 60, /* Rx_PWR(3) Single precision 212 * floating point calibration data 213 * - Rx optical power. Bit 7 of 214 * byte 60 is MSB. Bit 0 of byte 63 215 * is LSB. Rx_PWR(3) should be set 216 * to zero for “internally 217 * calibrated” devices.*/ 218 SFF_8472_RX_POWER2 = 64, /* Rx_PWR(2) Single precision 219 * floating point calibration data, 220 * Rx optical power. Bit 7 of byte 221 * 64 is MSB, bit 0 of byte 67 is 222 * LSB. Rx_PWR(2) should be set to 223 * zero for “internally calibrated” 224 * devices. */ 225 SFF_8472_RX_POWER1 = 68, /* Rx_PWR(1) Single precision 226 * floating point calibration data, 227 * Rx optical power. Bit 7 of byte 228 * 68 is MSB, bit 0 of byte 71 is 229 * LSB. Rx_PWR(1) should be set to 230 * 1 for “internally calibrated” 231 * devices. */ 232 SFF_8472_RX_POWER0 = 72, /* Rx_PWR(0) Single precision 233 * floating point calibration data, 234 * Rx optical power. Bit 7 of byte 235 * 72 is MSB, bit 0 of byte 75 is 236 * LSB. Rx_PWR(0) should be set to 237 * zero for “internally calibrated” 238 * devices. */ 239 SFF_8472_TX_I_SLOPE = 76, /* Tx_I(Slope) Fixed decimal 240 * (unsigned) calibration data, 241 * laser bias current. Bit 7 of 242 * byte 76 is MSB, bit 0 of byte 77 243 * is LSB. Tx_I(Slope) should be 244 * set to 1 for “internally 245 * calibrated” devices. */ 246 SFF_8472_TX_I_OFFSET = 78, /* Tx_I(Offset) Fixed decimal 247 * (signed two’s complement) 248 * calibration data, laser bias 249 * current. Bit 7 of byte 78 is 250 * MSB, bit 0 of byte 79 is 251 * LSB. Tx_I(Offset) should be set 252 * to zero for “internally 253 * calibrated” devices. */ 254 SFF_8472_TX_POWER_SLOPE = 80, /* Tx_PWR(Slope) Fixed decimal 255 * (unsigned) calibration data, 256 * transmitter coupled output 257 * power. Bit 7 of byte 80 is MSB, 258 * bit 0 of byte 81 is LSB. 259 * Tx_PWR(Slope) should be set to 1 260 * for “internally calibrated” 261 * devices. */ 262 SFF_8472_TX_POWER_OFFSET = 82, /* Tx_PWR(Offset) Fixed decimal 263 * (signed two’s complement) 264 * calibration data, transmitter 265 * coupled output power. Bit 7 of 266 * byte 82 is MSB, bit 0 of byte 83 267 * is LSB. Tx_PWR(Offset) should be 268 * set to zero for “internally 269 * calibrated” devices. */ 270 SFF_8472_T_SLOPE = 84, /* T (Slope) Fixed decimal 271 * (unsigned) calibration data, 272 * internal module temperature. Bit 273 * 7 of byte 84 is MSB, bit 0 of 274 * byte 85 is LSB. T(Slope) should 275 * be set to 1 for “internally 276 * calibrated” devices. */ 277 SFF_8472_T_OFFSET = 86, /* T (Offset) Fixed decimal (signed 278 * two’s complement) calibration 279 * data, internal module 280 * temperature. Bit 7 of byte 86 is 281 * MSB, bit 0 of byte 87 is LSB. 282 * T(Offset) should be set to zero 283 * for “internally calibrated” 284 * devices. */ 285 SFF_8472_V_SLOPE = 88, /* V (Slope) Fixed decimal 286 * (unsigned) calibration data, 287 * internal module supply 288 * voltage. Bit 7 of byte 88 is 289 * MSB, bit 0 of byte 89 is 290 * LSB. V(Slope) should be set to 1 291 * for “internally calibrated” 292 * devices. */ 293 SFF_8472_V_OFFSET = 90, /* V (Offset) Fixed decimal (signed 294 * two’s complement) calibration 295 * data, internal module supply 296 * voltage. Bit 7 of byte 90 is 297 * MSB. Bit 0 of byte 91 is 298 * LSB. V(Offset) should be set to 299 * zero for “internally calibrated” 300 * devices. */ 301 SFF_8472_CHECKSUM = 95, /* Checksum Byte 95 contains the 302 * low order 8 bits of the sum of 303 * bytes 0 – 94. */ 304 /* Internal measurements. */ 305 306 SFF_8472_TEMP = 96, /* Internally measured module temperature. */ 307 SFF_8472_VCC = 98, /* Internally measured supply 308 * voltage in transceiver. 309 */ 310 SFF_8472_TX_BIAS = 100, /* Internally measured TX Bias Current. */ 311 SFF_8472_TX_POWER = 102, /* Measured TX output power. */ 312 SFF_8472_RX_POWER = 104, /* Measured RX input power. */ 313 314 SFF_8472_STATUS = 110 /* See below */ 315 }; 316 /* Status Bits Described */ 317 318 /* 319 * TX Disable State Digital state of the TX Disable Input Pin. Updated 320 * within 100ms of change on pin. 321 */ 322 #define SFF_8472_STATUS_TX_DISABLE (1 << 7) 323 324 /* 325 * Select Read/write bit that allows software disable of 326 * laser. Writing ‘1’ disables laser. See Table 3.11 for 327 * enable/disable timing requirements. This bit is “OR”d with the hard 328 * TX_DISABLE pin value. Note, per SFP MSA TX_DISABLE pin is default 329 * enabled unless pulled low by hardware. If Soft TX Disable is not 330 * implemented, the transceiver ignores the value of this bit. Default 331 * power up value is zero/low. 332 */ 333 #define SFF_8472_STATUS_SOFT_TX_DISABLE (1 << 6) 334 335 /* 336 * RS(1) State Digital state of SFP input pin AS(1) per SFF-8079 or 337 * RS(1) per SFF-8431. Updated within 100ms of change on pin. See A2h 338 * Byte 118, Bit 3 for Soft RS(1) Select control information. 339 */ 340 #define SFF_8472_RS_STATE (1 << 5) 341 342 /* 343 * Rate_Select State [aka. “RS(0)”] Digital state of the SFP 344 * Rate_Select Input Pin. Updated within 100ms of change on pin. Note: 345 * This pin is also known as AS(0) in SFF-8079 and RS(0) in SFF-8431. 346 */ 347 #define SFF_8472_STATUS_SELECT_STATE (1 << 4) 348 349 /* 350 * Read/write bit that allows software rate select control. Writing 351 * ‘1’ selects full bandwidth operation. This bit is “OR’d with the 352 * hard Rate_Select, AS(0) or RS(0) pin value. See Table 3.11 for 353 * timing requirements. Default at power up is logic zero/low. If Soft 354 * Rate Select is not implemented, the transceiver ignores the value 355 * of this bit. Note: Specific transceiver behaviors of this bit are 356 * identified in Table 3.6a and referenced documents. See Table 3.18a, 357 * byte 118, bit 3 for Soft RS(1) Select. 358 */ 359 #define SFF_8472_STATUS_SOFT_RATE_SELECT (1 << 3) 360 361 /* 362 * TX Fault State Digital state of the TX Fault Output Pin. Updated 363 * within 100ms of change on pin. 364 */ 365 #define SFF_8472_STATUS_TX_FAULT_STATE (1 << 2) 366 367 /* 368 * Digital state of the RX_LOS Output Pin. Updated within 100ms of 369 * change on pin. 370 */ 371 #define SFF_8472_STATUS_RX_LOS (1 << 1) 372 373 /* 374 * Indicates transceiver has achieved power up and data is ready. Bit 375 * remains high until data is ready to be read at which time the 376 * device sets the bit low. 377 */ 378 #define SFF_8472_STATUS_DATA_READY (1 << 0) 379 380 /* 381 * Table 3.2 Identifier values. 382 * Identifier constants has taken from SFF-8024 rev 4.2 table 4.1 383 * (as referenced by table 3.2 footer) 384 * */ 385 enum { 386 SFF_8024_ID_UNKNOWN = 0x0, /* Unknown or unspecified */ 387 SFF_8024_ID_GBIC = 0x1, /* GBIC */ 388 SFF_8024_ID_SFF = 0x2, /* Module soldered to motherboard (ex: SFF)*/ 389 SFF_8024_ID_SFP = 0x3, /* SFP or SFP “Plus” */ 390 SFF_8024_ID_XBI = 0x4, /* 300 pin XBI */ 391 SFF_8024_ID_XENPAK = 0x5, /* Xenpak */ 392 SFF_8024_ID_XFP = 0x6, /* XFP */ 393 SFF_8024_ID_XFF = 0x7, /* XFF */ 394 SFF_8024_ID_XFPE = 0x8, /* XFP-E */ 395 SFF_8024_ID_XPAK = 0x9, /* XPAk */ 396 SFF_8024_ID_X2 = 0xA, /* X2 */ 397 SFF_8024_ID_DWDM_SFP = 0xB, /* DWDM-SFP */ 398 SFF_8024_ID_QSFP = 0xC, /* QSFP */ 399 SFF_8024_ID_QSFPPLUS = 0xD, /* QSFP+ */ 400 SFF_8024_ID_CXP = 0xE, /* CXP */ 401 SFF_8024_ID_HD4X = 0xF, /* Shielded Mini Multilane HD 4X */ 402 SFF_8024_ID_HD8X = 0x10, /* Shielded Mini Multilane HD 8X */ 403 SFF_8024_ID_QSFP28 = 0x11, /* QSFP28 or later */ 404 SFF_8024_ID_CXP2 = 0x12, /* CXP2 (aka CXP28) */ 405 SFF_8024_ID_CDFP = 0x13, /* CDFP (Style 1/Style 2) */ 406 SFF_8024_ID_SMM4 = 0x14, /* Shielded Mini Multilate HD 4X Fanout */ 407 SFF_8024_ID_SMM8 = 0x15, /* Shielded Mini Multilate HD 8X Fanout */ 408 SFF_8024_ID_CDFP3 = 0x16, /* CDFP (Style3) */ 409 SFF_8024_ID_MICROQSFP = 0x17, /* microQSFP */ 410 SFF_8024_ID_QSFP_DD = 0x18, /* QSFP-DD 8X Pluggable Transceiver */ 411 SFF_8024_ID_LAST = SFF_8024_ID_QSFP_DD 412 }; 413 414 static const char *sff_8024_id[SFF_8024_ID_LAST + 1] = {"Unknown", 415 "GBIC", 416 "SFF", 417 "SFP/SFP+/SFP28", 418 "XBI", 419 "Xenpak", 420 "XFP", 421 "XFF", 422 "XFP-E", 423 "XPAK", 424 "X2", 425 "DWDM-SFP/SFP+", 426 "QSFP", 427 "QSFP+", 428 "CXP", 429 "HD4X", 430 "HD8X", 431 "QSFP28", 432 "CXP2", 433 "CDFP", 434 "SMM4", 435 "SMM8", 436 "CDFP3", 437 "microQSFP", 438 "QSFP-DD"}; 439 440 /* Keep compatibility with old definitions */ 441 #define SFF_8472_ID_UNKNOWN SFF_8024_ID_UNKNOWN 442 #define SFF_8472_ID_GBIC SFF_8024_ID_GBIC 443 #define SFF_8472_ID_SFF SFF_8024_ID_SFF 444 #define SFF_8472_ID_SFP SFF_8024_ID_SFP 445 #define SFF_8472_ID_XBI SFF_8024_ID_XBI 446 #define SFF_8472_ID_XENPAK SFF_8024_ID_XENPAK 447 #define SFF_8472_ID_XFP SFF_8024_ID_XFP 448 #define SFF_8472_ID_XFF SFF_8024_ID_XFF 449 #define SFF_8472_ID_XFPE SFF_8024_ID_XFPE 450 #define SFF_8472_ID_XPAK SFF_8024_ID_XPAK 451 #define SFF_8472_ID_X2 SFF_8024_ID_X2 452 #define SFF_8472_ID_DWDM_SFP SFF_8024_ID_DWDM_SFP 453 #define SFF_8472_ID_QSFP SFF_8024_ID_QSFP 454 #define SFF_8472_ID_LAST SFF_8024_ID_LAST 455 456 #define sff_8472_id sff_8024_id 457 458 /* 459 * Table 3.9 Diagnostic Monitoring Type (byte 92) 460 * bits described. 461 */ 462 463 /* 464 * Digital diagnostic monitoring implemented. 465 * Set to 1 for transceivers implementing DDM. 466 */ 467 #define SFF_8472_DDM_DONE (1 << 6) 468 469 /* 470 * Measurements are internally calibrated. 471 */ 472 #define SFF_8472_DDM_INTERNAL (1 << 5) 473 474 /* 475 * Measurements are externally calibrated. 476 */ 477 #define SFF_8472_DDM_EXTERNAL (1 << 4) 478 479 /* 480 * Received power measurement type 481 * 0 = OMA, 1 = average power 482 */ 483 #define SFF_8472_DDM_PMTYPE (1 << 3) 484 485 /* Table 3.13 and 3.14 Temperature Conversion Values */ 486 #define SFF_8472_TEMP_SIGN (1 << 15) 487 #define SFF_8472_TEMP_SHIFT 8 488 #define SFF_8472_TEMP_MSK 0xEF00 489 #define SFF_8472_TEMP_FRAC 0x00FF 490 491 /* Internal Callibration Conversion factors */ 492 493 /* 494 * Represented as a 16 bit unsigned integer with the voltage defined 495 * as the full 16 bit value (0 – 65535) with LSB equal to 100 uVolt, 496 * yielding a total range of 0 to +6.55 Volts. 497 */ 498 #define SFF_8472_VCC_FACTOR 10000.0 499 500 /* 501 * Represented as a 16 bit unsigned integer with the current defined 502 * as the full 16 bit value (0 – 65535) with LSB equal to 2 uA, 503 * yielding a total range of 0 to 131 mA. 504 */ 505 506 #define SFF_8472_BIAS_FACTOR 2000.0 507 508 /* 509 * Represented as a 16 bit unsigned integer with the power defined as 510 * the full 16 bit value (0 – 65535) with LSB equal to 0.1 uW, 511 * yielding a total range of 0 to 6.5535 mW (~ -40 to +8.2 dBm). 512 */ 513 514 #define SFF_8472_POWER_FACTOR 10000.0 515