Changeset 1934 for lm-sensors/trunk/doc/chips/ddcmon
- Timestamp:
- 08/01/03 19:42:08 (10 years ago)
- Files:
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- 1 modified
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lm-sensors/trunk/doc/chips/ddcmon (modified) (10 diffs)
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lm-sensors/trunk/doc/chips/ddcmon
r1040 r1934 2 2 ======================== 3 3 4 Status: Beta4 Status: As complete as we want it to be, lightly tested 5 5 6 6 Supported chips: … … 25 25 26 26 27 Authors: Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock <phil@netroedge.com>, 28 and Mark Studebaker <mdsxyz123@yahoo.com> 27 Author: Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock 28 <phil@netroedge.com>, Mark Studebaker <mdsxyz123@yahoo.com> and 29 Jean Delvare <khali@linux-fr.org> 29 30 30 31 Special assistance on DDC provided by Petr Vandrovec <vandrove@vc.cvut.cz> 32 33 License: GPL 34 31 35 32 36 Module Parameters … … 45 49 * probe_range: short array (min = 1, max = 48) 46 50 List of adapter,start-addr,end-addr triples to scan additionally 51 * checksum: int 52 Only accept eeproms whose checksum is correct 47 53 48 54 … … 64 70 /proc entries: 65 71 66 ID: Encoded Monitor ID string. 67 For encoding, see 'sensors' 72 dpms: bitmask 73 DPMS support flags 74 0x20 Active Off 75 0x40 Suspend 76 0x80 Standby 77 78 edid: 2 integers 79 EDID version and revision 80 81 gamma: 1 float 82 gamma factor 83 84 id: 2 integers 85 manufacturer ID and product ID 86 Manufacturer ID is encoded, see 'sensors' 68 87 source ../../prog/sensors/chips.c. 88 89 maxclock: 1 integer 90 max pixel clock (also known as video bandwidth) (MHz) 91 0 if not available. 69 92 70 93 serial: 1 integer 71 94 serial number 95 Encoding depends on the manufacturer, don't expect the 96 real serial number here. 0 probably means "not available". 72 97 73 98 size: 2 integers … … 80 105 minimum horizontal sync frequency (KHz) 81 106 maximum horizontal sync frequency (KHz) 82 83 timings: supported timings (bitmask) 107 0 0 0 0 if not available. 108 109 time: 2 integers 110 Manufacture year and week 111 112 timing[1-8]: 3 integers 113 supported standard timing 114 horizontal resolution 115 vertical resolution 116 (vertical) refresh rate 117 0 0 0 if not used. 118 119 timings: bitmask 120 supported established timings 84 121 0x000001 720x400@70Hz (VGA 640x400, IBM) 85 122 0x000002 720x400@88Hz (XGA2) … … 99 136 0x008000 1280x1024@75Hz (VESA) 100 137 0x010000 - 0x800000 Manufacturer reserved 101 102 Notes: 138 0x800000 1152x870 @ 75 Hz (Mac II, Apple)? 139 140 141 Chip Features 142 ------------- 143 144 Chip 'ddcmon' 145 146 LABEL LABEL CLASS COMPUTE CLASS MODE MAGN 147 Manufacturer ID - - R- 0 148 Model Number - - R- 0 149 Monitor Size (cm) - - R- 0 150 hsize Monitor Size (cm) - R- 0 151 Vertical Sync (Hz) - - R- 0 152 v_sync_max Vertical Sync (Hz) - R- 0 153 Horizontal Sync (KHz) - - R- 0 154 h_sync_max Horizontal Sync (KHz) - R- 0 155 Established Timings - - R- 0 156 Serial Number - - R- 0 157 Manufacture Time - - R- 0 158 week Manufacture Time - R- 0 159 EDID Version - - R- 0 160 revision EDID Version - R- 0 161 Gamma Factor - - R- 2 162 DPMS Modes - - R- 0 163 Standard Timing 1 - - R- 0 164 vertical Standard Timing 1 - R- 0 165 refresh Standard Timing 1 - R- 0 166 Standard Timing 2 - - R- 0 167 vertical Standard Timing 2 - R- 0 168 refresh Standard Timing 2 - R- 0 169 Standard Timing 3 - - R- 0 170 vertical Standard Timing 3 - R- 0 171 refresh Standard Timing 3 - R- 0 172 Standard Timing 4 - - R- 0 173 vertical Standard Timing 4 - R- 0 174 refresh Standard Timing 4 - R- 0 175 Standard Timing 5 - - R- 0 176 vertical Standard Timing 5 - R- 0 177 refresh Standard Timing 5 - R- 0 178 Standard Timing 6 - - R- 0 179 vertical Standard Timing 6 - R- 0 180 refresh Standard Timing 6 - R- 0 181 Standard Timing 7 - - R- 0 182 vertical Standard Timing 7 - R- 0 183 refresh Standard Timing 7 - R- 0 184 Standard Timing 8 - - R- 0 185 vertical Standard Timing 8 - R- 0 186 refresh Standard Timing 8 - R- 0 187 Max Pixel Clock (MHz) - - R- 0 188 189 LABEL FEATURE SYMBOL SYSCTL FILE:N 190 Manufacturer ID SENSORS_DDCMON_MAN_ID id:1 191 Model Number SENSORS_DDCMON_PROD_ID id:2 192 Monitor Size (cm) SENSORS_DDCMON_VERSIZE size:1 193 hsize SENSORS_DDCMON_HORSIZE size:2 194 Vertical Sync (Hz) SENSORS_DDCMON_VERSYNCMIN sync:1 195 v_sync_max SENSORS_DDCMON_VERSYNCMAX sync:2 196 Horizontal Sync (KHz) SENSORS_DDCMON_HORSYNCMIN sync:3 197 h_sync_max SENSORS_DDCMON_HORSYNCMAX sync:4 198 Established Timings SENSORS_DDCMON_TIMINGS timings:1 199 Serial Number SENSORS_DDCMON_SERIAL serial:1 200 Manufacture Time SENSORS_DDCMON_YEAR time:1 201 week SENSORS_DDCMON_WEEK time:2 202 EDID Version SENSORS_DDCMON_EDID_VER edid:1 203 revision SENSORS_DDCMON_EDID_REV edid:2 204 Gamma Factor SENSORS_DDCMON_GAMMA gamma:1 205 DPMS Modes SENSORS_DDCMON_DPMS dpms:1 206 Standard Timing 1 SENSORS_DDCMON_TIMING1_HOR timing1:1 207 vertical SENSORS_DDCMON_TIMING1_VER timing1:2 208 refresh SENSORS_DDCMON_TIMING1_REF timing1:3 209 Standard Timing 2 SENSORS_DDCMON_TIMING2_HOR timing2:1 210 vertical SENSORS_DDCMON_TIMING2_VER timing2:2 211 refresh SENSORS_DDCMON_TIMING2_REF timing2:3 212 Standard Timing 3 SENSORS_DDCMON_TIMING3_HOR timing3:1 213 vertical SENSORS_DDCMON_TIMING3_VER timing3:2 214 refresh SENSORS_DDCMON_TIMING3_REF timing3:3 215 Standard Timing 4 SENSORS_DDCMON_TIMING4_HOR timing4:1 216 vertical SENSORS_DDCMON_TIMING4_VER timing4:2 217 refresh SENSORS_DDCMON_TIMING4_REF timing4:3 218 Standard Timing 5 SENSORS_DDCMON_TIMING5_HOR timing5:1 219 vertical SENSORS_DDCMON_TIMING5_VER timing5:2 220 refresh SENSORS_DDCMON_TIMING5_REF timing5:3 221 Standard Timing 6 SENSORS_DDCMON_TIMING6_HOR timing6:1 222 vertical SENSORS_DDCMON_TIMING6_VER timing6:2 223 refresh SENSORS_DDCMON_TIMING6_REF timing6:3 224 Standard Timing 7 SENSORS_DDCMON_TIMING7_HOR timing7:1 225 vertical SENSORS_DDCMON_TIMING7_VER timing7:2 226 refresh SENSORS_DDCMON_TIMING7_REF timing7:3 227 Standard Timing 8 SENSORS_DDCMON_TIMING8_HOR timing8:1 228 vertical SENSORS_DDCMON_TIMING8_VER timing8:2 229 refresh SENSORS_DDCMON_TIMING8_REF timing8:3 230 Max Pixel Clock (MHz) SENSORS_DDCMON_MAXCLOCK maxclock:1 231 232 233 Notes 234 ----- 103 235 104 236 - The eeprom.o module will also attach to a DDC monitor. Install the … … 107 239 a checksum= parameter. The ddcmon.o module will not attach to non-DDC 108 240 eeproms because it checks for a DDC 'signature' at the beginning 109 of the DDC Monitor's eeprom. 241 of the DDC Monitor's eeprom. Additionally, you can give it a checksum= 242 parameter. 110 243 111 244 - If a DDC monitor eeprom lacks the 'signature', you may use the … … 119 252 elsewhere. See our 'Supported Devices' web page for details. 120 253 121 - There is a checksum over the 128 bytes in the eeprom but the driver 122 does not check it. 254 - There is a checksum over the 128 bytes in the eeprom. The driver 255 used not to check it, now it does (providing you give it a 256 checksum= parameter). 123 257 124 258 - More information is available in the eeprom which could be made … … 126 260 To see the entire eeprom, use the eeprom.o module instead of ddcmon.o. 127 261 However, then you lose the DDC-specific formatting. 262 Also see ../../prog/eeprom/decode-edid.pl. 128 263 129 264 - This driver does not support the DDC/CI (DDC2Bi) bidirectional … … 134 269 135 270 - X 4.0 also accesses the DDC monitor EEPROM to auto-configure itself. 136 There could possibly be conflicts from these multiple accesses. 271 There could possibly be conflicts from these multiple accesses, but 272 none were ever reported so far.
