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The newer cards have the transmitter and encoder as separate units, but in the older cards these are one unit.
here is the personality table from Iago:
02 00 00 00 40 00 00 00 09 00 00 00 00 01 01 12 00 10 00 00 16 00 00 00 C4 00 00 00 10 00 02 11
This corresponds with the dumps from an iMac 2400XT vbios:
dump from bcc9's tool:
ATOM BIOS Rom: SubsystemVendorID: 0x106b SubsystemID: 0x0084 IOBaseAddress: 0x0000 Filename: 13B22505.011 BIOS Bootup Message: 113-B22505-011 M74 GDDR3_16Mx32 64bit 128MB 650e/800m PCI ID: 1002:94c8 Connector at index 0 Type [@offset 44716]: DVI-I (2) Encoder [@offset 44720]: INTERNAL_KLDSCP_DAC1 (0x15) i2cid [@offset 44782]: 0x90, OSX senseid: 0x1 Connector at index 1 Type [@offset 44726]: DVI-I (2) Encoder [@offset 44730]: INTERNAL_KLDSCP_TMDS1 (0x13) i2cid [@offset 44782]: 0x90, OSX senseid: 0x1 Connector at index 2 Type [@offset 44736]: LVDS (7) Encoder [@offset 44740]: INTERNAL_LVTM1 (0xf) i2cid [@offset 44825]: 0x91, OSX senseid: 0x2 Connector at index 3 Type [@offset 44746]: DVI-I (2) Encoder [@offset 44750]: INTERNAL_KLDSCP_DAC2 (0x16)
and from redsock_bios_decoder:
13B22505.011: 113-B22505-011 M74 GDDR3_16Mx32 64bit 128MB 650e/800m Subsystem Vendor ID: 106b Subsystem ID: 84 Object Header Structure Size: 208 Connector Object Table Offset: 3c Router Object Table Offset: 0 Encoder Object Table Offset: 94 Display Path Table Offset: 10 Connector Object Id [1] which is [DVI_I] encoder obj id [0x15] which is [INTERNAL_KLDSCP_DAC1 (osx txmit 0x00 enc 0x10?)] linkb: false Connector Object Id [1] which is [DVI_I] encoder obj id [0x13] which is [INTERNAL_KLDSCP_TMDS1] linkb: false Connector Object Id [14] which is [LVDS] encoder obj id [0xf] which is [INTERNAL_LVTM1] linkb: false Connector Object Id [1] which is [DVI_I] encoder obj id [0x16] which is [INTERNAL_KLDSCP_DAC2] linkb: false
And here are the dumps from my 2400 mobility
bcc9:
ATOM BIOS Rom: SubsystemVendorID: 0x1179 SubsystemID: 0xff00 IOBaseAddress: 0x0000 Filename: BR26685.BIN BIOS Bootup Message: Minnesota M72M GDDR2 128/256M 400m/450e PCI ID: 1002:94c9 Connector at index 0 Type [@offset 44480]: VGA (1) Encoder [@offset 44484]: INTERNAL_KLDSCP_DAC1 (0x15) i2cid [@offset 44560]: 0x90, OSX senseid: 0x1 Connector at index 1 Type [@offset 44490]: HDMI-A (11) Encoder [@offset 44494]: INTERNAL_KLDSCP_TMDS1 (0x13) i2cid [@offset 44583]: 0x91, OSX senseid: 0x2 Connector at index 2 Type [@offset 44500]: 9 pin DIN (9) Encoder [@offset 44504]: INTERNAL_KLDSCP_DAC2 (0x16) Connector at index 3 Type [@offset 44510]: LVDS (7) Encoder [@offset 44514]: INTERNAL_LVTM1 (0xf) i2cid [@offset 44637]: 0x14, OSX senseid: 0x5
and radeon_bios_dump:
BR26685.BIN : Minnesota M72M GDDR2 128/256M 400m/450e Subsystem Vendor ID: 1179 Subsystem ID: ff00 Object Header Structure Size: 256 Connector Object Table Offset: 3c Router Object Table Offset: 0 Encoder Object Table Offset: c4 Display Path Table Offset: 10 Connector Object Id [5] which is [VGA] encoder obj id [0x15] which is [INTERNAL_KLDSCP_DAC1 (osx txmit 0x00 enc 0x10?)] linkb: false Connector Object Id [12] which is [HDMI_TYPE_A] encoder obj id [0x13] which is [INTERNAL_KLDSCP_TMDS1] linkb: false Connector Object Id [15] which is [DIN] encoder obj id [0x16] which is [INTERNAL_KLDSCP_DAC2] linkb: false Connector Object Id [14] which is [LVDS] encoder obj id [0xf] which is [INTERNAL_LVTM1] linkb: false
And RadeonDump output for my card (internal only connected):
[RadeonHD]: rhdAtomConnectorInfo
[RadeonHD]: rhdAtomConnectorInfoFromObjectHeader
[RadeonHD]: ObjectTable - size: 252, BIOS - size: 65536 TableOffset: 60 object_header_end: 312
[RadeonHD]: Object: ID: 3105 name: VGA type: 3 id: 5
[RadeonHD]: rhdAtomGetConnectorID
[RadeonHD]: * SrcObject: ID: 2115 name: INTERNAL_KLDSCP_DAC1 enum: 1
[RadeonHD]: - Record Type: 1
[RadeonHD]: rhdAtomDDCFromI2CRecord: I2C Record: HW_Line[0] EngineID: 1 I2CAddr: 0
[RadeonHD]: rhdAtomGetDDCIndex
[RadeonHD]: Found DDC GPIO Index: 0
[RadeonHD]: - Record Type: 4
[RadeonHD]: rhdAtomDeviceTagsFromRecord
[RadeonHD]: NumberOfDevice: 1
[RadeonHD]: Devices: CRT1
[RadeonHD]: Object: ID: 310c name: HDMI_TYPE_A type: 3 id: c
[RadeonHD]: rhdAtomGetConnectorID
[RadeonHD]: * SrcObject: ID: 2113 name: INTERNAL_KLDSCP_TMDS1 enum: 1
[RadeonHD]: - Record Type: 1
[RadeonHD]: rhdAtomDDCFromI2CRecord: I2C Record: HW_Line[1] EngineID: 1 I2CAddr: 0
[RadeonHD]: rhdAtomGetDDCIndex
[RadeonHD]: Found DDC GPIO Index: 1
[RadeonHD]: - Record Type: 2
[RadeonHD]: rhdAtomHPDFromRecord: HPD Record: GPIO ID: 6 Plugged_PinState: 0
[RadeonHD]: rhdAtomParseGPIOLutForHPD
[RadeonHD]: rhdAtomParseGPIOLutForHPD: GPIO PinID: 6 Index: 1fa5 Shift: 0
[RadeonHD]: - Record Type: 4
[RadeonHD]: rhdAtomDeviceTagsFromRecord
[RadeonHD]: NumberOfDevice: 1
[RadeonHD]: Devices: DFP1
[RadeonHD]: Object: ID: 310f name: 7PIN_DIN type: 3 id: f
[RadeonHD]: rhdAtomGetConnectorID
[RadeonHD]: * SrcObject: ID: 2116 name: INTERNAL_KLDSCP_DAC2 enum: 1
[RadeonHD]: - Record Type: 4
[RadeonHD]: rhdAtomDeviceTagsFromRecord
[RadeonHD]: NumberOfDevice: 2
[RadeonHD]: Devices: TV1 CV
[RadeonHD]: Object: ID: 310e name: LVDS type: 3 id: e
[RadeonHD]: rhdAtomGetConnectorID
[RadeonHD]: * SrcObject: ID: 210f name: INTERNAL_LVTM1 enum: 1
[RadeonHD]: - Record Type: 1
[RadeonHD]: rhdAtomDDCFromI2CRecord: I2C Record: GPIO_ID[4] EngineID: 1 I2CAddr: 0
[RadeonHD]: rhdAtomGetDDCIndex
[RadeonHD]: Found DDC GPIO Index: 4
[RadeonHD]: - Record Type: 4
[RadeonHD]: rhdAtomDeviceTagsFromRecord
[RadeonHD]: NumberOfDevice: 1
[RadeonHD]: Devices: LCD1
[RadeonHD]: Connector[0] {RHD_CONNECTOR_VGA, "VGA CRT1", RHD_DDC_0, RHD_HPD_NONE, { RHD_OUTPUT_DACA, RHD_OUTPUT_NONE } }
[RadeonHD]: Connector[1] {RHD_CONNECTOR_DVI_SINGLE, "HDMI_TYPE_A DFP1", RHD_DDC_1, RHD_HPD_0, { RHD_OUTPUT_TMDSA, RHD_OUTPUT_NONE } }
[RadeonHD]: Connector[2] {RHD_CONNECTOR_TV, "7PIN_DIN TV1 CV", RHD_DDC_NONE, RHD_HPD_NONE, { RHD_OUTPUT_DACB, RHD_OUTPUT_NONE } }
[RadeonHD]: Connector[3] {RHD_CONNECTOR_PANEL, "LVDS LCD1", RHD_DDC_4, RHD_HPD_NONE, { RHD_OUTPUT_LVTMA, RHD_OUTPUT_NONE } }
[RadeonHD]: Call to AtomBIOS Get Connectors succeeded
[RadeonHD]: RHDHPDSave
[RadeonHD]: RHDHPDSet
[RadeonHD]: RHDConnectorsInit: 0 (VGA CRT1) type 1, ddc 0, hpd 0
[RadeonHD]: RHDI2CFunc
[RadeonHD]: RHDDACAInit
[RadeonHD]: RHDOutputAdd
[RadeonHD]: Attaching Output DAC A to Connector VGA 1
[RadeonHD]: RHDConnectorsInit: 1 (HDMI_TYPE_A DFP1) type 3, ddc 1, hpd 1
[RadeonHD]: RHDI2CFunc
[RadeonHD]: RHDTMDSAInit
[RadeonHD]: RHDHdmiInit
[RadeonHD]: RHDOutputAdd
[RadeonHD]: Attaching Output TMDS A to Connector DVI-D 1
[RadeonHD]: RHDConnectorsInit: 2 (7PIN_DIN TV1 CV) type 5, ddc 255, hpd 0
[RadeonHD]: RHDDACBInit
[RadeonHD]: RHDOutputAdd
[RadeonHD]: Attaching Output DAC B to Connector TV 7PIN_DIN
[RadeonHD]: RHDConnectorsInit: 3 (LVDS LCD1) type 4, ddc 4, hpd 0
[RadeonHD]: RHDI2CFunc
[RadeonHD]: RHDLVTMAInit
[RadeonHD]: RHDAtomBiosFunc
[RadeonHD]: rhdAtomLvdsInfoQuery
.....
Listing modesetting layout:
[RadeonHD]: CRTC 1: tied to PLL 1 and LUT A:
[RadeonHD]: Outputs: LVDS (PANEL)[RadeonHD]:
[RadeonHD]: CRTC 2: unused
[RadeonHD]: Unused Outputs: DAC A[RadeonHD]: , TMDS A[RadeonHD]: , DAC B[RadeonHD]:
[RadeonHD]: RHDModesPoolCreate
[RadeonHD]: rhdCreateModesListAndValidate
[RadeonHD]: Validating Modes from Monitor "LVDS Panel" on "PANEL"I have tried many different combinations of sense_id and encoder id without success, but the i2cid and sense from my own vbios appears to be weird with regard to the iMac one, as if it is obtained by a different method.
If anyone else is prepared to help investigate this further, I'd like to hear your results, if any.
One more thing: I'm not sure if having a dual-link 1440x900 lvds panel has some bearing on this: any thoughts?