82801CA Datasheet, PDF (19/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

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AC ’97 Audio Controller Registers (D31:F5)..........................................413
13.1 AC ’97 Audio PCI Configuration Space (D31:F5) ........................................413
13.1.1 VID—Vendor Identification Register (Audio—D31:F5) ...................413
13.1.2 DID—Device Identification Register (Audio—D31:F5)....................414
13.1.3 PCICMD—PCI Command Register (Audio—D31:F5) ....................414
13.1.4 PCISTS—PCI Device Status Register (Audio—D31:F5) ................415
13.1.5 RID—Revision Identification Register (Audio—D31:F5) .................415
13.1.6 PI—Programming Interface Register (Audio—D31:F5) ..................415
13.1.7 SCC—Sub Class Code Register (Audio—D31:F5) ........................416
13.1.8 BCC—Base Class Code Register (Audio—D31:F5).......................416
13.1.9 HEDT—Header Type Register (Audio—D31:F5) ...........................416
13.1.10 NAMBAR—Native Audio Mixer Base Address Register
(Audio—D31:F5) .............................................................................417
13.1.11 NABMBAR—Native Audio Bus Mastering Base Address
Register (Audio—D31:F5)...............................................................417
13.1.12 SVID—Subsystem Vendor ID Register (Audio—D31:F5)...............418
13.1.13 SID—Subsystem ID Register (Audio—D31:F5)..............................418
13.1.14 INTR_LN—Interrupt Line Register (Audio—D31:F5) ......................418
13.1.15 INTR_PN—Interrupt Pin Register (Audio—D31:F5) .......................419
13.1.16 PCID—Programmable Codec ID Register (Audio—D31:F5) ..........419
13.2 AC ’97 Audio I/O Space (D31:F5)................................................................420
13.2.1 x_BDBAR—Buffer Descriptor Base Address Register ...................422
13.2.2 x_CIV—Current Index Value Register ............................................423
13.2.3 x_LVI—Last Valid Index Register ...................................................423
13.2.4 x_SR—Status Register ...................................................................424
13.2.5 x_PICB—Position In Current Buffer Register .................................425
13.2.6 x_PIV—Prefetched Index Value Register .......................................425
13.2.7 x_CR—Control Register .................................................................426
13.2.8 GLOB_CNT—Global Control Register............................................427
13.2.9 GLOB_STA—Global Status Register .............................................428
13.2.10 CAS—Codec Access Semaphore Register ....................................429
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AC ’97 Modem Controller Registers (D31:F6) .......................................431
14.1 AC ’97 Modem PCI Configuration Space (D31:F6) .....................................431
14.1.1 VID—Vendor Identification Register (Modem—D31:F6) ................431
14.1.2 DID—Device Identification Register (Modem—D31:F6) .................432
14.1.3 PCICMD—PCI Command Register (Modem—D31:F6) .................432
14.1.4 PCISTA—Device Status Register (Modem—D31:F6) ....................433
14.1.5 RID—Revision Identification Register (Modem—D31:F6) ..............433
14.1.6 PI—Programming Interface Register (Modem—D31:F6) ...............433
14.1.7 SCC—Sub Class Code Register (Modem—D31:F6)......................434
14.1.8 BCC—Base Class Code Register (Modem—D31:F6) ....................434
14.1.9 HEDT—Header Type Register (Modem—D31:F6).........................434
14.1.10 MMBAR—Modem Mixer Base Address Register
(Modem—D31:F6) ..........................................................................435
14.1.11 MBAR—Modem Base Address Register (Modem—D31:F6) .........435
14.1.12 SVID—Subsystem Vendor ID (Modem—D31:F6) ..........................436
14.1.13 SID—Subsystem ID (Modem—D31:F6) .........................................436
14.1.14 INTR_LN—Interrupt Line Register (Modem—D31:F6) ...................436
14.1.15 INT_PIN—Interrupt Pin (Modem—D31:F6) ....................................436
Intel^® 82801CA ICH3-S Datasheet
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