Touch Device Interrupt Cause register Format Configuration Register 2 (THC_M_PRT_DEVINT_CFG_2) – Offset 10f0 - 001 - ID:795260 | Intel® Core™ Ultra Processors for H-series and U-series Platforms SOC I/O Registers

Intel® Core™ Ultra Processors for H-series and U-series Platforms SOC I/O Registers

ID	Date	Version	Classification
795260	12/14/2023	001	Public

Touch Device Interrupt Cause register Format Configuration Register 2 (THC_M_PRT_DEVINT_CFG_2) – Offset 10f0

Touch Device Interrupt Cause register Format Configuration 2

Bit Range	Default	Access	Field Name and Description
31:29	0h	RO	Reserved (RSVD_29_31) Reserved.
28	0h	RW/L	THC Interrupt Polarity (THC_M_PRT_DEVINT_POL) 0: Active low interrupt as in THC 1.0. 1: enables active high device interrupt.
27	0h	RW/L	Packet Stream Enable (THC_M_PRT_TXDMA_PKT_STRM_EN) 0: Stream mode is disabled. THC sends TXDMA data packet in packetized mode as in THC 1.0. 1: During TXDMA, THC sends a TXDMA data frame in stream mode without CS toggling. This mode is only applicable when THC_ARB_POLICY is set to Frame boundary. (For implementation simplification, THC HW can just skip the opcode/address phases after the first data write 'packet' and mask the CS# toggling between data packets.)
26	0h	RO	Reserved
25	0h	RW/L	Disable address increment on TXDMA consecutive writes for one TXDMA (THC_M_PRT_TXDMA_ADDRINC_DIS) 0: increment bus address for every TXDMA packet in one device interrupt 1: disable incrementing bus address for every TXDMA packet
24	0h	RW/L	Disable address increment on RXDMA consecutive reads for one interrupt (THC_M_PRT_RXDMA_ADDRINC_DIS) 0: increment bus address for every read packet in one device interrupt 1: disable incrementing bus address for every read packet in one device interrupt
23:18	0h	RO	Reserved (RSVD_23_18) Reserved.
17	1h	RW/L	Fixed Frame Type value (THC_M_PRT_FTYPE_VAL) When THC_M_PRT_FTYP_IGNORE =1, THC always use this THC_M_PRT_FTYP_VAL field as the Frame Type when receiving a device interrupt. 0: Proprietary Data 1: HID Report (Including Heat Map) Default for HIDSPI support.
16	0h	RW/L	Ignore Frame Type field (THC_M_PRT_FTYPE_IGNORE) If set to 1, THC ignores Touch device's 'Frame type' read from the 'interrupt cause register'. THC always use the fixed type defined in THC_M_PRT_FTYP_VAL. Default to 0 for the THC mode. Set to 1 for the HIDSPI protocol.
15:12	0h	RW/L	Unit of Microframe Size (THC_M_PRT_UFSIZE_UNIT) Touch device's 'microframe size' field's unit in power of 2 bytes. Default to 0x0 (2^0=1byte) for the THC mode. It should be set to 0x6 (2^6=64byte) in HIDSPI mode.
11:10	0h	RO	Reserved (RSVD_11_10) Reserved.
9:5	14h	RW/L	Length of Microframe size field (THC_M_PRT_UFSIZE_LEN) Touch device's 'microframe size' field's length in the 'interrupt cause register'. Default to 0x14(20) for the THC mode and 0xF(15) in HIDSPI mode.
4:0	4h	RW/L	Bit Offset of Microframe Size (THC_M_PRT_UFSIZE_OFFSET) Touch device's 'microframe size' field's starting bit position in the 'interrupt cause register'. Default to 4 for the THC mode. Set to 0x9 for the HIDSPI protocol where the 'Input report Length' starts from bit 9.