/* $NetBSD: tegra_i2creg.h,v 1.2 2015/05/16 21:31:39 jmcneill Exp $ */ /*- * Copyright (c) 2015 Jared D. McNeill * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _ARM_TEGRA_I2CREG_H #define _ARM_TEGRA_I2CREG_H #define I2C_CNFG_REG 0x00 #define I2C_CNFG_MSTR_CLR_BUS_ON_TIMEOUT __BIT(15) #define I2C_CNFG_DEBOUNCE_CNT __BITS(14,12) #define I2C_CNFG_NEW_MASTER_FSM __BIT(11) #define I2C_CNFG_PACKET_MODE_EN __BIT(10) #define I2C_CNFG_SEND __BIT(9) #define I2C_CNFG_NOACK __BIT(8) #define I2C_CNFG_CMD2 __BIT(7) #define I2C_CNFG_CMD1 __BIT(6) #define I2C_CNFG_START __BIT(5) #define I2C_CNFG_SLV2 __BIT(4) #define I2C_CNFG_LENGTH __BITS(3,1) #define I2C_CNFG_A_MOD __BIT(0) #define I2C_CMD_ADDR0_REG 0x04 #define I2C_CMD_ADDR1_REG 0x08 #define I2C_CMD_DATA1_REG 0x0c #define I2C_CMD_DATA2_REG 0x10 #define I2C_STATUS_REG 0x1c #define I2C_STATUS_BUSY __BIT(8) #define I2C_STATUS_CMD2_STAT __BITS(7,4) #define I2C_STATUS_CMD1_STAT __BITS(3,0) #define I2C_SL_CNFG_REG 0x20 #define I2C_SL_CNFG_FIFO_XFER_EN __BIT(20) #define I2C_SL_CNFG_BUFFER_SIZE __BITS(19,8) #define I2C_SL_CNFG_ACK_LAST_BYTE_VALID __BIT(7) #define I2C_SL_CNFG_ACK_LAST_BYTE __BIT(6) #define I2C_SL_CNFG_ACK_WITHHOLD_EN __BIT(5) #define I2C_SL_CNFG_PKT_MODE_EN __BIT(4) #define I2C_SL_CNFG_ENABLE_SL __BIT(3) #define I2C_SL_CNFG_NEWSL __BIT(2) #define I2C_SL_CNFG_NACK __BIT(1) #define I2C_SL_CNFG_RESP __BIT(0) #define I2C_SL_RCVD_REG 0x24 #define I2C_SL_STATUS_REG 0x28 #define I2C_SL_ADDR1_REG 0x2c #define I2C_SL_ADDR2_REG 0x30 #define I2C_TLOW_SEXT_REG 0x34 #define I2C_SL_DELAY_COUNT_REG 0x3c #define I2C_SL_INT_MASK_REG 0x40 #define I2C_SL_INT_SOURCE_REG 0x44 #define I2C_SL_INT_SET_REG 0x48 #define I2C_TX_PACKET_FIFO_REG 0x50 #define I2C_RX_FIFO_REG 0x54 #define I2C_PACKET_TRANSFER_STATUS_REG 0x58 #define I2C_PACKET_TRANSFER_STATUS_TRANSFER_COMPLETE __BIT(24) #define I2C_PACKET_TRANSFER_STATUS_TRANSFER_PKT_ID __BITS(23,16) #define I2C_PACKET_TRANSFER_STATUS_TRANSFER_BYTENUM __BITS(15,4) #define I2C_PACKET_TRANSFER_STATUS_NOACK_FOR_ADDR __BIT(3) #define I2C_PACKET_TRANSFER_STATUS_NOACK_FOR_DATA __BIT(2) #define I2C_PACKET_TRANSFER_STATUS_ARB_LOST __BIT(1) #define I2C_PACKET_TRANSFER_STATUS_CONTROLLER_BUSY __BIT(0) #define I2C_FIFO_CONTROL_REG 0x5c #define I2C_FIFO_CONTROL_SLV_TX_FIFO_TRIG __BITS(15,13) #define I2C_FIFO_CONTROL_SLV_RX_FIFO_TRIG __BITS(12,10) #define I2C_FIFO_CONTROL_SLV_TX_FIFO_FLUSH __BIT(9) #define I2C_FIFO_CONTROL_SLV_RX_FIFO_FLUSH __BIT(8) #define I2C_FIFO_CONTROL_TX_FIFO_TRIG __BITS(7,5) #define I2C_FIFO_CONTROL_RX_FIFO_TRIG __BITS(4,2) #define I2C_FIFO_CONTROL_TX_FIFO_FLUSH __BIT(1) #define I2C_FIFO_CONTROL_RX_FIFO_FLUSH __BIT(0) #define I2C_FIFO_STATUS_REG 0x60 #define I2C_FIFO_STATUS_SLV_XFER_ERR_REASON __BIT(25) #define I2C_FIFO_STATUS_SLV_TX_FIFO_EMPTY_CNT __BITS(23,20) #define I2C_FIFO_STATUS_SLV_RX_FIFO_FULL_CNT __BITS(19,16) #define I2C_FIFO_STATUS_TX_FIFO_EMPTY_CNT __BITS(7,4) #define I2C_FIFO_STATUS_RX_FIFO_FULL_CNT __BITS(3,0) #define I2C_INTERRUPT_MASK_REG 0x64 #define I2C_INTERRUPT_MASK_TIMEOUT __BIT(8) #define I2C_INTERRUPT_MASK_PACKET_XFER_COMPLETE __BIT(7) #define I2C_INTERRUPT_MASK_ALL_PACKETS_XFER_COMPLETE __BIT(6) #define I2C_INTERRUPT_MASK_NOACK __BIT(3) #define I2C_INTERRUPT_MASK_ARB_LOST __BIT(2) #define I2C_INTERRUPT_MASK_TFIFO_DATA_REQ __BIT(1) #define I2C_INTERRUPT_MASK_RFIFO_DATA_REQ __BIT(0) #define I2C_INTERRUPT_STATUS_REG 0x68 #define I2C_INTERRUPT_STATUS_TIMEOUT __BIT(8) #define I2C_INTERRUPT_STATUS_PACKET_XFER_COMPLETE __BIT(7) #define I2C_INTERRUPT_STATUS_ALL_PACKETS_XFER_COMPLETE __BIT(6) #define I2C_INTERRUPT_STATUS_NOACK __BIT(3) #define I2C_INTERRUPT_STATUS_ARB_LOST __BIT(2) #define I2C_INTERRUPT_STATUS_TFIFO_DATA_REQ __BIT(1) #define I2C_INTERRUPT_STATUS_RFIFO_DATA_REQ __BIT(0) #define I2C_CLK_DIVISOR_REG 0x6c #define I2C_CLK_DIVISOR_STD_FAST_MODE __BITS(31,16) #define I2C_CLK_DIVISOR_HSMODE __BITS(15,0) #define I2C_INTERRUPT_SOURCE_REG 0x70 #define I2C_INTERRUPT_SET_REG 0x74 #define I2C_SLV_TX_PACKET_FIFO_REG 0x78 #define I2C_SLV_RX_FIFO_REG 0x7c #define I2C_SLV_PACKET_STATUS_REG 0x80 #define I2C_BUS_CLEAR_CONFIG_REG 0x84 #define I2C_BUS_CLEAR_STATUS_REG 0x88 #define I2C_BUS_CONFIG_LOAD_REG 0x8c #define I2C_BUS_CONFIG_LOAD_TIMEOUT_CONFIG_LOAD __BIT(2) #define I2C_BUS_CONFIG_LOAD_SLV_CONFIG_LOAD __BIT(1) #define I2C_BUS_CONFIG_LOAD_MSTR_CONFIG_LOAD __BIT(0) #define I2C_INTERFACE_TIMING0_REG 0x94 #define I2C_INTERFACE_TIMING0_THIGH __BITS(13,8) #define I2C_INTERFACE_TIMING0_TLOW __BITS(5,0) #define I2C_INTERFACE_TIMING1_REG 0x98 #define I2C_HS_INTERFACE_TIMING0_REG 0x9c #define I2C_HS_INTERFACE_TIMING1_REG 0xa0 /* * I/O Packets */ #define I2C_IOPACKET_WORD0_PROTHDRSZ __BITS(29,28) #define I2C_IOPACKET_WORD0_PROTHDRSZ_REQ 0 #define I2C_IOPACKET_WORD0_PROTHDRSZ_RES 1 #define I2C_IOPACKET_WORD0_PKTID __BITS(23,16) #define I2C_IOPACKET_WORD0_CONTROLLERID __BITS(15,12) #define I2C_IOPACKET_WORD0_PROTOCOL __BITS(7,4) #define I2C_IOPACKET_WORD0_PROTOCOL_I2C 1 #define I2C_IOPACKET_WORD0_PKTTYPE __BITS(2,0) #define I2C_IOPACKET_WORD0_PKTTYPE_REQ 0 #define I2C_IOPACKET_WORD0_PKTTYPE_RES 1 #define I2C_IOPACKET_WORD0_PKTTYPE_INT 2 #define I2C_IOPACKET_WORD0_PKTTYPE_STOP 3 #define I2C_IOPACKET_WORD1_PAYLOADSIZE __BITS(11,0) #define I2C_IOPACKET_XMITHDR_RESP_PKT_FREQ __BIT(25) #define I2C_IOPACKET_XMITHDR_RESP_PKT_ENABLE __BIT(24) #define I2C_IOPACKET_XMITHDR_HS_MODE __BIT(22) #define I2C_IOPACKET_XMITHDR_CONTINUE_ON_NACK __BIT(21) #define I2C_IOPACKET_XMITHDR_SEND_START_BYTE __BIT(20) #define I2C_IOPACKET_XMITHDR_READ __BIT(19) #define I2C_IOPACKET_XMITHDR_ADDRESS_MODE __BIT(18) #define I2C_IOPACKET_XMITHDR_IE __BIT(17) #define I2C_IOPACKET_XMITHDR_REPEAT_STARTSTOP __BIT(16) #define I2C_IOPACKET_XMITHDR_CONTINUE_XFER __BIT(15) #define I2C_IOPACKET_XMITHDR_HS_MASTER_ADDR __BITS(14,12) #define I2C_IOPACKET_XMITHDR_SLAVE_ADDR __BITS(9,0) #define I2C_IOPACKET_RESPHDR_RFIFO_OVF __BIT(26) #define I2C_IOPACKET_RESPHDR_TFIFO_OVF __BIT(25) #define I2C_IOPACKET_RESPHDR_TRANSFER_COMPLETE __BIT(24) #define I2C_IOPACKET_RESPHDR_TRANSFER_PKT_ID __BITS(23,16) #define I2C_IOPACKET_RESPHDR_TRANSFER_BYTENUM __BITS(15,4) #define I2C_IOPACKET_RESPHDR_NOACK_FOR_ADDR __BIT(3) #define I2C_IOPACKET_RESPHDR_NOACK_FOR_DATA __BIT(2) #define I2C_IOPACKET_RESPHDR_ARB_LOST __BIT(1) #define I2C_IOPACKET_RESPHDR_CONTROLLER_BUSY __BIT(0) #endif /* _ARM_TEGRA_I2CREG_H */