//***************************************************************************** // // Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/ // // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // 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. // // Neither the name of Texas Instruments Incorporated nor the names of // its contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "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 COPYRIGHT // OWNER OR CONTRIBUTORS 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 __HW_I2C_H__ #define __HW_I2C_H__ //***************************************************************************** // // The following are defines for the I2C register offsets. // //***************************************************************************** #define I2C_O_MSA 0x00000000 #define I2C_O_MCS 0x00000004 #define I2C_O_MDR 0x00000008 #define I2C_O_MTPR 0x0000000C #define I2C_O_MIMR 0x00000010 #define I2C_O_MRIS 0x00000014 #define I2C_O_MMIS 0x00000018 #define I2C_O_MICR 0x0000001C #define I2C_O_MCR 0x00000020 #define I2C_O_MCLKOCNT 0x00000024 #define I2C_O_MBMON 0x0000002C #define I2C_O_MBLEN 0x00000030 #define I2C_O_MBCNT 0x00000034 #define I2C_O_SOAR 0x00000800 #define I2C_O_SCSR 0x00000804 #define I2C_O_SDR 0x00000808 #define I2C_O_SIMR 0x0000080C #define I2C_O_SRIS 0x00000810 #define I2C_O_SMIS 0x00000814 #define I2C_O_SICR 0x00000818 #define I2C_O_SOAR2 0x0000081C #define I2C_O_SACKCTL 0x00000820 #define I2C_O_FIFODATA 0x00000F00 #define I2C_O_FIFOCTL 0x00000F04 #define I2C_O_FIFOSTATUS 0x00000F08 #define I2C_O_OBSMUXSEL0 0x00000F80 #define I2C_O_OBSMUXSEL1 0x00000F84 #define I2C_O_MUXROUTE 0x00000F88 #define I2C_O_PV 0x00000FB0 #define I2C_O_PP 0x00000FC0 #define I2C_O_PC 0x00000FC4 #define I2C_O_CC 0x00000FC8 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MSA register. // //****************************************************************************** #define I2C_MSA_SA_M 0x000000FE // I2C Slave Address #define I2C_MSA_SA_S 1 #define I2C_MSA_RS 0x00000001 // Receive not send //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MCS register. // //****************************************************************************** #define I2C_MCS_ACTDMARX 0x80000000 // DMA RX Active Status #define I2C_MCS_ACTDMATX 0x40000000 // DMA TX Active Status #define I2C_MCS_CLKTO 0x00000080 // Clock Timeout Error #define I2C_MCS_BUSBSY 0x00000040 // Bus Busy #define I2C_MCS_IDLE 0x00000020 // I2C Idle #define I2C_MCS_ARBLST 0x00000010 // Arbitration Lost #define I2C_MCS_ACK 0x00000008 // Data Acknowledge Enable #define I2C_MCS_ADRACK 0x00000004 // Acknowledge Address #define I2C_MCS_ERROR 0x00000002 // Error #define I2C_MCS_BUSY 0x00000001 // I2C Busy //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MDR register. // //****************************************************************************** #define I2C_MDR_DATA_M 0x000000FF // Data Transferred #define I2C_MDR_DATA_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MTPR register. // //****************************************************************************** #define I2C_MTPR_HS 0x00000080 // High-Speed Enable #define I2C_MTPR_TPR_M 0x0000007F // SCL Clock Period #define I2C_MTPR_TPR_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MIMR register. // //****************************************************************************** #define I2C_MIMR_RXFFIM 0x00000800 // Receive FIFO Full Interrupt Mask #define I2C_MIMR_TXFEIM 0x00000400 // Transmit FIFO Empty Interrupt // Mask #define I2C_MIMR_RXIM 0x00000200 // Receive FIFO Request Interrupt // Mask #define I2C_MIMR_TXIM 0x00000100 // Transmit FIFO Request Interrupt // Mask #define I2C_MIMR_ARBLOSTIM 0x00000080 // Arbitration Lost Interrupt Mask #define I2C_MIMR_STOPIM 0x00000040 // STOP Detection Interrupt Mask #define I2C_MIMR_STARTIM 0x00000020 // START Detection Interrupt Mask #define I2C_MIMR_NACKIM 0x00000010 // Address/Data NACK Interrupt Mask #define I2C_MIMR_DMATXIM 0x00000008 // Transmit DMA Interrupt Mask #define I2C_MIMR_DMARXIM 0x00000004 // Receive DMA Interrupt Mask #define I2C_MIMR_CLKIM 0x00000002 // Clock Timeout Interrupt Mask #define I2C_MIMR_IM 0x00000001 // Master Interrupt Mask //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MRIS register. // //****************************************************************************** #define I2C_MRIS_RXFFRIS 0x00000800 // Receive FIFO Full Raw Interrupt // Status #define I2C_MRIS_TXFERIS 0x00000400 // Transmit FIFO Empty Raw // Interrupt Status #define I2C_MRIS_RXRIS 0x00000200 // Receive FIFO Request Raw // Interrupt Status #define I2C_MRIS_TXRIS 0x00000100 // Transmit Request Raw Interrupt // Status #define I2C_MRIS_ARBLOSTRIS 0x00000080 // Arbitration Lost Raw Interrupt // Status #define I2C_MRIS_STOPRIS 0x00000040 // STOP Detection Raw Interrupt // Status #define I2C_MRIS_STARTRIS 0x00000020 // START Detection Raw Interrupt // Status #define I2C_MRIS_NACKRIS 0x00000010 // Address/Data NACK Raw Interrupt // Status #define I2C_MRIS_DMATXRIS 0x00000008 // Transmit DMA Raw Interrupt // Status #define I2C_MRIS_DMARXRIS 0x00000004 // Receive DMA Raw Interrupt Status #define I2C_MRIS_CLKRIS 0x00000002 // Clock Timeout Raw Interrupt // Status #define I2C_MRIS_RIS 0x00000001 // Master Raw Interrupt Status //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MMIS register. // //****************************************************************************** #define I2C_MMIS_RXFFMIS 0x00000800 // Receive FIFO Full Interrupt Mask #define I2C_MMIS_TXFEMIS 0x00000400 // Transmit FIFO Empty Interrupt // Mask #define I2C_MMIS_RXMIS 0x00000200 // Receive FIFO Request Interrupt // Mask #define I2C_MMIS_TXMIS 0x00000100 // Transmit Request Interrupt Mask #define I2C_MMIS_ARBLOSTMIS 0x00000080 // Arbitration Lost Interrupt Mask #define I2C_MMIS_STOPMIS 0x00000040 // STOP Detection Interrupt Mask #define I2C_MMIS_STARTMIS 0x00000020 // START Detection Interrupt Mask #define I2C_MMIS_NACKMIS 0x00000010 // Address/Data NACK Interrupt Mask #define I2C_MMIS_DMATXMIS 0x00000008 // Transmit DMA Interrupt Status #define I2C_MMIS_DMARXMIS 0x00000004 // Receive DMA Interrupt Status #define I2C_MMIS_CLKMIS 0x00000002 // Clock Timeout Masked Interrupt // Status #define I2C_MMIS_MIS 0x00000001 // Masked Interrupt Status //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MICR register. // //****************************************************************************** #define I2C_MICR_RXFFIC 0x00000800 // Receive FIFO Full Interrupt // Clear #define I2C_MICR_TXFEIC 0x00000400 // Transmit FIFO Empty Interrupt // Clear #define I2C_MICR_RXIC 0x00000200 // Receive FIFO Request Interrupt // Clear #define I2C_MICR_TXIC 0x00000100 // Transmit FIFO Request Interrupt // Clear #define I2C_MICR_ARBLOSTIC 0x00000080 // Arbitration Lost Interrupt Clear #define I2C_MICR_STOPIC 0x00000040 // STOP Detection Interrupt Clear #define I2C_MICR_STARTIC 0x00000020 // START Detection Interrupt Clear #define I2C_MICR_NACKIC 0x00000010 // Address/Data NACK Interrupt // Clear #define I2C_MICR_DMATXIC 0x00000008 // Transmit DMA Interrupt Clear #define I2C_MICR_DMARXIC 0x00000004 // Receive DMA Interrupt Clear #define I2C_MICR_CLKIC 0x00000002 // Clock Timeout Interrupt Clear #define I2C_MICR_IC 0x00000001 // Master Interrupt Clear //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MCR register. // //****************************************************************************** #define I2C_MCR_MMD 0x00000040 // Multi-master Disable #define I2C_MCR_SFE 0x00000020 // I2C Slave Function Enable #define I2C_MCR_MFE 0x00000010 // I2C Master Function Enable #define I2C_MCR_LPBK 0x00000001 // I2C Loopback //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MCLKOCNT register. // //****************************************************************************** #define I2C_MCLKOCNT_CNTL_M 0x000000FF // I2C Master Count #define I2C_MCLKOCNT_CNTL_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MBMON register. // //****************************************************************************** #define I2C_MBMON_SDA 0x00000002 // I2C SDA Status #define I2C_MBMON_SCL 0x00000001 // I2C SCL Status //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MBLEN register. // //****************************************************************************** #define I2C_MBLEN_CNTL_M 0x000000FF // I2C Burst Length #define I2C_MBLEN_CNTL_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MBCNT register. // //****************************************************************************** #define I2C_MBCNT_CNTL_M 0x000000FF // I2C Master Burst Count #define I2C_MBCNT_CNTL_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SOAR register. // //****************************************************************************** #define I2C_SOAR_OAR_M 0x0000007F // I2C Slave Own Address #define I2C_SOAR_OAR_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SCSR register. // //****************************************************************************** #define I2C_SCSR_ACTDMARX 0x80000000 // DMA RX Active Status #define I2C_SCSR_ACTDMATX 0x40000000 // DMA TX Active Status #define I2C_SCSR_QCMDRW 0x00000020 // Quick Command Read / Write #define I2C_SCSR_QCMDST 0x00000010 // Quick Command Status #define I2C_SCSR_OAR2SEL 0x00000008 // OAR2 Address Matched #define I2C_SCSR_FBR 0x00000004 // First Byte Received #define I2C_SCSR_TREQ 0x00000002 // Transmit Request #define I2C_SCSR_DA 0x00000001 // Device Active //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SDR register. // //****************************************************************************** #define I2C_SDR_DATA_M 0x000000FF // Data for Transfer #define I2C_SDR_DATA_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SIMR register. // //****************************************************************************** #define I2C_SIMR_IM 0x00000100 // Interrupt Mask #define I2C_SIMR_TXFEIM 0x00000080 // Transmit FIFO Empty Interrupt // Mask #define I2C_SIMR_RXIM 0x00000040 // Receive FIFO Request Interrupt // Mask #define I2C_SIMR_TXIM 0x00000020 // Transmit FIFO Request Interrupt // Mask #define I2C_SIMR_DMATXIM 0x00000010 // Transmit DMA Interrupt Mask #define I2C_SIMR_DMARXIM 0x00000008 // Receive DMA Interrupt Mask #define I2C_SIMR_STOPIM 0x00000004 // Stop Condition Interrupt Mask #define I2C_SIMR_STARTIM 0x00000002 // Start Condition Interrupt Mask #define I2C_SIMR_DATAIM 0x00000001 // Data Interrupt Mask //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SRIS register. // //****************************************************************************** #define I2C_SRIS_RIS 0x00000100 // Raw Interrupt Status #define I2C_SRIS_TXFERIS 0x00000080 // Transmit FIFO Empty Raw // Interrupt Status #define I2C_SRIS_RXRIS 0x00000040 // Receive FIFO Request Raw // Interrupt Status #define I2C_SRIS_TXRIS 0x00000020 // Transmit Request Raw Interrupt // Status #define I2C_SRIS_DMATXRIS 0x00000010 // Transmit DMA Raw Interrupt // Status #define I2C_SRIS_DMARXRIS 0x00000008 // Receive DMA Raw Interrupt Status #define I2C_SRIS_STOPRIS 0x00000004 // Stop Condition Raw Interrupt // Status #define I2C_SRIS_STARTRIS 0x00000002 // Start Condition Raw Interrupt // Status #define I2C_SRIS_DATARIS 0x00000001 // Data Raw Interrupt Status //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SMIS register. // //****************************************************************************** #define I2C_SMIS_RXFFMIS 0x00000100 // Receive FIFO Full Interrupt Mask #define I2C_SMIS_TXFEMIS 0x00000080 // Transmit FIFO Empty Interrupt // Mask #define I2C_SMIS_RXMIS 0x00000040 // Receive FIFO Request Interrupt // Mask #define I2C_SMIS_TXMIS 0x00000020 // Transmit FIFO Request Interrupt // Mask #define I2C_SMIS_DMATXMIS 0x00000010 // Transmit DMA Masked Interrupt // Status #define I2C_SMIS_DMARXMIS 0x00000008 // Receive DMA Masked Interrupt // Status #define I2C_SMIS_STOPMIS 0x00000004 // Stop Condition Masked Interrupt // Status #define I2C_SMIS_STARTMIS 0x00000002 // Start Condition Masked Interrupt // Status #define I2C_SMIS_DATAMIS 0x00000001 // Data Masked Interrupt Status //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SICR register. // //****************************************************************************** #define I2C_SICR_RXFFIC 0x00000100 // Receive FIFO Full Interrupt Mask #define I2C_SICR_TXFEIC 0x00000080 // Transmit FIFO Empty Interrupt // Mask #define I2C_SICR_RXIC 0x00000040 // Receive Request Interrupt Mask #define I2C_SICR_TXIC 0x00000020 // Transmit Request Interrupt Mask #define I2C_SICR_DMATXIC 0x00000010 // Transmit DMA Interrupt Clear #define I2C_SICR_DMARXIC 0x00000008 // Receive DMA Interrupt Clear #define I2C_SICR_STOPIC 0x00000004 // Stop Condition Interrupt Clear #define I2C_SICR_STARTIC 0x00000002 // Start Condition Interrupt Clear #define I2C_SICR_DATAIC 0x00000001 // Data Interrupt Clear //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SOAR2 register. // //****************************************************************************** #define I2C_SOAR2_OAR2EN 0x00000080 // I2C Slave Own Address 2 Enable #define I2C_SOAR2_OAR2_M 0x0000007F // I2C Slave Own Address 2 #define I2C_SOAR2_OAR2_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_SACKCTL register. // //****************************************************************************** #define I2C_SACKCTL_ACKOVAL 0x00000002 // I2C Slave ACK Override Value #define I2C_SACKCTL_ACKOEN 0x00000001 // I2C Slave ACK Override Enable //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_FIFODATA register. // //****************************************************************************** #define I2C_FIFODATA_DATA_M 0x000000FF // I2C FIFO Data Byte #define I2C_FIFODATA_DATA_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_FIFOCTL register. // //****************************************************************************** #define I2C_FIFOCTL_RXASGNMT 0x80000000 // RX Control Assignment #define I2C_FIFOCTL_RXFLUSH 0x40000000 // RX FIFO Flush #define I2C_FIFOCTL_DMARXENA 0x20000000 // DMA RX Channel Enable #define I2C_FIFOCTL_RXTRIG_M 0x00070000 // RX FIFO Trigger #define I2C_FIFOCTL_RXTRIG_S 16 #define I2C_FIFOCTL_TXASGNMT 0x00008000 // TX Control Assignment #define I2C_FIFOCTL_TXFLUSH 0x00004000 // TX FIFO Flush #define I2C_FIFOCTL_DMATXENA 0x00002000 // DMA TX Channel Enable #define I2C_FIFOCTL_TXTRIG_M 0x00000007 // TX FIFO Trigger #define I2C_FIFOCTL_TXTRIG_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_FIFOSTATUS register. // //****************************************************************************** #define I2C_FIFOSTATUS_RXABVTRIG \ 0x00040000 // RX FIFO Above Trigger Level #define I2C_FIFOSTATUS_RXFF 0x00020000 // RX FIFO Full #define I2C_FIFOSTATUS_RXFE 0x00010000 // RX FIFO Empty #define I2C_FIFOSTATUS_TXBLWTRIG \ 0x00000004 // TX FIFO Below Trigger Level #define I2C_FIFOSTATUS_TXFF 0x00000002 // TX FIFO Full #define I2C_FIFOSTATUS_TXFE 0x00000001 // TX FIFO Empty //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_OBSMUXSEL0 register. // //****************************************************************************** #define I2C_OBSMUXSEL0_LN3_M 0x07000000 // Observation Mux Lane 3 #define I2C_OBSMUXSEL0_LN3_S 24 #define I2C_OBSMUXSEL0_LN2_M 0x00070000 // Observation Mux Lane 2 #define I2C_OBSMUXSEL0_LN2_S 16 #define I2C_OBSMUXSEL0_LN1_M 0x00000700 // Observation Mux Lane 1 #define I2C_OBSMUXSEL0_LN1_S 8 #define I2C_OBSMUXSEL0_LN0_M 0x00000007 // Observation Mux Lane 0 #define I2C_OBSMUXSEL0_LN0_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_OBSMUXSEL1 register. // //****************************************************************************** #define I2C_OBSMUXSEL1_LN7_M 0x07000000 // Observation Mux Lane 7 #define I2C_OBSMUXSEL1_LN7_S 24 #define I2C_OBSMUXSEL1_LN6_M 0x00070000 // Observation Mux Lane 6 #define I2C_OBSMUXSEL1_LN6_S 16 #define I2C_OBSMUXSEL1_LN5_M 0x00000700 // Observation Mux Lane 5 #define I2C_OBSMUXSEL1_LN5_S 8 #define I2C_OBSMUXSEL1_LN4_M 0x00000007 // Observation Mux Lane 4 #define I2C_OBSMUXSEL1_LN4_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_MUXROUTE register. // //****************************************************************************** #define I2C_MUXROUTE_LN7ROUTE_M \ 0x70000000 // Lane 7 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN7ROUTE_S 28 #define I2C_MUXROUTE_LN6ROUTE_M \ 0x07000000 // Lane 6 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN6ROUTE_S 24 #define I2C_MUXROUTE_LN5ROUTE_M \ 0x00700000 // Lane 5 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN5ROUTE_S 20 #define I2C_MUXROUTE_LN4ROUTE_M \ 0x00070000 // Lane 4 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN4ROUTE_S 16 #define I2C_MUXROUTE_LN3ROUTE_M \ 0x00007000 // Lane 3 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN3ROUTE_S 12 #define I2C_MUXROUTE_LN2ROUTE_M \ 0x00000700 // Lane 2 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN2ROUTE_S 8 #define I2C_MUXROUTE_LN1ROUTE_M \ 0x00000070 // Lane 1 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN1ROUTE_S 4 #define I2C_MUXROUTE_LN0ROUTE_M \ 0x00000007 // Lane 0 output is routed to the // lane pointed to by the offset in // this bit field #define I2C_MUXROUTE_LN0ROUTE_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_PV register. // //****************************************************************************** #define I2C_PV_MAJOR_M 0x0000FF00 // Major Revision #define I2C_PV_MAJOR_S 8 #define I2C_PV_MINOR_M 0x000000FF // Minor Revision #define I2C_PV_MINOR_S 0 //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_PP register. // //****************************************************************************** #define I2C_PP_HS 0x00000001 // High-Speed Capable //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_PC register. // //****************************************************************************** #define I2C_PC_HS 0x00000001 // High-Speed Capable //****************************************************************************** // // The following are defines for the bit fields in the I2C_O_CC register. // //****************************************************************************** #endif // __HW_I2C_H__