/* $NetBSD: omap3_i2creg.h,v 1.1 2012/12/31 12:45:49 jmcneill Exp $ */ /*- * Copyright (c) 2012 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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 _OMAP3_I2CREG_H #define _OMAP3_I2CREG_H /* * High-Speed I2C Controller registers */ #define OMAP3_I2C_REV 0x00 /* IP revision code */ #define OMAP3_I2C_REV_MAJ_MASK __BITS(4,7) #define OMAP3_I2C_REV_MAJ_SHIFT 4 #define OMAP3_I2C_REV_MIN_MASK __BITS(0,3) #define OMAP3_I2C_REV_MIN_SHIFT 0 #define OMAP3_I2C_IE 0x04 /* Interrupt enable */ #define OMAP3_I2C_IE_XDR_IE __BIT(14) #define OMAP3_I2C_IE_RDR_IE __BIT(13) #define OMAP3_I2C_IE_AAS_IE __BIT(9) #define OMAP3_I2C_IE_BF_IE __BIT(8) #define OMAP3_I2C_IE_AERR_IE __BIT(7) #define OMAP3_I2C_IE_STC_IE __BIT(6) #define OMAP3_I2C_IE_GC_IE __BIT(5) #define OMAP3_I2C_IE_XRDY_IE __BIT(4) #define OMAP3_I2C_IE_RRDY_IE __BIT(3) #define OMAP3_I2C_IE_ARDY_IE __BIT(2) #define OMAP3_I2C_IE_NACK_IE __BIT(1) #define OMAP3_I2C_IE_AL_IE __BIT(0) #define OMAP3_I2C_STAT 0x08 /* Interrupt status */ #define OMAP3_I2C_STAT_XDR __BIT(14) #define OMAP3_I2C_STAT_RDR __BIT(13) #define OMAP3_I2C_STAT_BB __BIT(12) #define OMAP3_I2C_STAT_ROVR __BIT(11) #define OMAP3_I2C_STAT_XUDF __BIT(10) #define OMAP3_I2C_STAT_AAS __BIT(9) #define OMAP3_I2C_STAT_BF __BIT(8) #define OMAP3_I2C_STAT_AERR __BIT(7) #define OMAP3_I2C_STAT_STC __BIT(6) #define OMAP3_I2C_STAT_GC __BIT(5) #define OMAP3_I2C_STAT_XRDY __BIT(4) #define OMAP3_I2C_STAT_RRDY __BIT(3) #define OMAP3_I2C_STAT_ARDY __BIT(2) #define OMAP3_I2C_STAT_NACK __BIT(1) #define OMAP3_I2C_STAT_AL __BIT(0) #define OMAP3_I2C_WE 0x0c /* Wakeup enable */ #define OMAP3_I2C_WE_XDR_WE __BIT(14) #define OMAP3_I2C_WE_RDR_WE __BIT(13) #define OMAP3_I2C_WE_AAS_WE __BIT(9) #define OMAP3_I2C_WE_BF_WE __BIT(8) #define OMAP3_I2C_WE_STC_WE __BIT(6) #define OMAP3_I2C_WE_GC_WE __BIT(5) #define OMAP3_I2C_WE_DRDY_WE __BIT(3) #define OMAP3_I2C_WE_ARDY_WE __BIT(2) #define OMAP3_I2C_WE_NACK_WE __BIT(1) #define OMAP3_I2C_WE_AL_WE __BIT(0) #define OMAP3_I2C_SYSS 0x10 /* Non-interrupt status */ #define OMAP3_I2C_SYSS_RDONE __BIT(0) #define OMAP3_I2C_BUF 0x14 /* Receive DMA channel disabled */ #define OMAP3_I2C_BUF_RDMA_EN __BIT(15) #define OMAP3_I2C_BUF_RXFIFO_CLR __BIT(14) #define OMAP3_I2C_BUF_RTRSH_MASK __BITS(8,13) #define OMAP3_I2C_BUF_RTRSH_SHIFT 8 #define OMAP3_I2C_BUF_XDMA_EN __BIT(7) #define OMAP3_I2C_BUF_TXFIFO_CLR __BIT(6) #define OMAP3_I2C_BUF_XTRSH_MASK __BITS(0,5) #define OMAP3_I2C_BUF_XTRSH_SHIFT 0 #define OMAP3_I2C_CNT 0x18 /* Number of bytes in I2C payload */ #define OMAP3_I2C_CNT_DCOUNT_MASK __BITS(0,15) #define OMAP3_I2C_CNT_DCOUNT_SHIFT 0 #define OMAP3_I2C_DATA 0x1c /* FIFO buffer */ #define OMAP3_I2C_DATA_DATA_MASK __BITS(0,7) #define OMAP3_I2C_DATA_DATA_SHIFT 0 #define OMAP3_I2C_SYSC 0x20 /* L4-Core interconnect control */ #define OMAP3_I2C_CLOCKACTIVITY_MASK __BITS(8,9) #define OMAP3_I2C_CLOCKACTIVITY_SHIFT 8 #define OMAP3_I2C_CLOCKACTIVITY_DIS 0x0 #define OMAP3_I2C_CLOCKACTIVITY_ICLK_EN 0x1 #define OMAP3_I2C_CLOCKACTIVITY_FCLK_EN 0x2 #define OMAP3_I2C_CLOCKACTIVITY_ICLK_FCLK_EN 0x3 #define OMAP3_I2C_IDLEMODE_MASK __BITS(3,4) #define OMAP3_I2C_IDLEMODE_SHIFT 3 #define OMAP3_I2C_IDLEMODE_FORCEIDLE 0x0 #define OMAP3_I2C_IDLEMODE_NOIDLE 0x1 #define OMAP3_I2C_IDLEMODE_SMARTIDLE 0x2 #define OMAP3_I2C_ENAWAKEUP __BIT(2) #define OMAP3_I2C_SRST __BIT(1) #define OMAP3_I2C_AUTOIDLE __BIT(0) #define OMAP3_I2C_CON 0x24 /* Function control */ #define OMAP3_I2C_CON_I2C_EN __BIT(15) #define OMAP3_I2C_CON_OPMODE_MASK __BITS(12,13) #define OMAP3_I2C_CON_OPMODE_SHIFT 12 #define OMAP3_I2C_CON_OPMODE_FASTSTD 0x0 #define OMAP3_I2C_CON_OPMODE_HS 0x1 #define OMAP3_I2C_CON_OPMODE_SCCB 0x2 #define OMAP3_I2C_CON_STB __BIT(11) #define OMAP3_I2C_CON_MST __BIT(10) #define OMAP3_I2C_CON_TRX __BIT(9) #define OMAP3_I2C_CON_XSA __BIT(8) #define OMAP3_I2C_CON_XOA0 __BIT(7) #define OMAP3_I2C_CON_XOA1 __BIT(6) #define OMAP3_I2C_CON_XOA2 __BIT(5) #define OMAP3_I2C_CON_XOA3 __BIT(4) #define OMAP3_I2C_CON_STP __BIT(1) #define OMAP3_I2C_CON_STT __BIT(0) #define OMAP3_I2C_OA0 0x28 /* Own address 0 */ #define OMAP3_I2C_OA0_MCODE_MASK __BITS(13,15) #define OMAP3_I2C_OA0_MCODE_SHIFT 13 #define OMAP3_I2C_OA0_OA_MASK __BITS(0,9) #define OMAP3_I2C_OA0_OA_SHIFT 0 #define OMAP3_I2C_SA 0x2c /* Slave address */ #define OMAP3_I2C_SA_MASK __BITS(0,9) #define OMAP3_I2C_SA_SHIFT 0 #define OMAP3_I2C_PSC 0x30 /* Prescale sampling clock */ #define OMAP3_I2C_PSC_MASK __BITS(0,7) #define OMAP3_I2C_PSC_SHIFT 0 #define OMAP3_I2C_SCLL 0x34 /* SCL low time (master) */ #define OMAP3_I2C_SCLL_HSSCLL_MASK __BITS(8,15) #define OMAP3_I2C_SCLL_HSSCLL_SHIFT 8 #define OMAP3_I2C_SCLL_SCLL_MASK __BITS(0,7) #define OMAP3_I2C_SCLL_SCLL_SHIFT 0 #define OMAP3_I2C_SCLH 0x38 /* SCL high time (master) */ #define OMAP3_I2C_SCLH_HSSCLH_MASK __BITS(8,15) #define OMAP3_I2C_SCLH_HSSCLH_SHIFT 8 #define OMAP3_I2C_SCLH_SCLH_MASK __BITS(0,7) #define OMAP3_I2C_SCLH_SCLH_SHIFT 0 #define OMAP3_I2C_SYSTEST 0x3c /* System tests */ #define OMAP3_I2C_SYSTEST_ST_EN __BIT(15) #define OMAP3_I2C_SYSTEST_FREE __BIT(14) #define OMAP3_I2C_SYSTEST_TMODE_MASK __BITS(12,13) #define OMAP3_I2C_SYSTEST_TMODE_SHIFT 12 #define OMAP3_I2C_SYSTEST_SSB __BIT(11) #define OMAP3_I2C_SYSTEST_SCCBE_O __BIT(4) #define OMAP3_I2C_SYSTEST_SCL_I __BIT(3) #define OMAP3_I2C_SYSTEST_SCL_O __BIT(2) #define OMAP3_I2C_SYSTEST_SDA_I __BIT(1) #define OMAP3_I2C_SYSTEST_SDA_O __BIT(0) #define OMAP3_I2C_BUFSTAT 0x40 /* FIFO status */ #define OMAP3_I2C_BUFSTAT_FIFODEPTH_MASK __BITS(14,15) #define OMAP3_I2C_BUFSTAT_FIFODEPTH_SHIFT 14 #define OMAP3_I2C_BUFSTAT_RXSTAT_MASK __BITS(8,13) #define OMAP3_I2C_BUFSTAT_RXSTAT_SHIFT 8 #define OMAP3_I2C_BUFSTAT_TXSTAT_MASK __BITS(0,5) #define OMAP3_I2C_BUFSTAT_TXSTAT_SHIFT 0 #define OMAP3_I2C_OA1 0x44 /* Own address 1 */ #define OMAP3_I2C_OA1_OA_MASK __BITS(0,9) #define OMAP3_I2C_OA1_OA_SHIFT 0 #define OMAP3_I2C_OA2 0x48 /* Own address 2 */ #define OMAP3_I2C_OA2_OA_MASK __BITS(0,9) #define OMAP3_I2C_OA2_OA_SHIFT 0 #define OMAP3_I2C_OA3 0x4c /* Own address 3 */ #define OMAP3_I2C_OA3_OA_MASK __BITS(0,9) #define OMAP3_I2C_OA3_OA_SHIFT 0 #define OMAP3_I2C_ACTOA 0x50 /* Active own addresses (slave) */ #define OMAP3_I2C_ACTOA_OA3_ACT __BIT(3) #define OMAP3_I2C_ACTOA_OA2_ACT __BIT(2) #define OMAP3_I2C_ACTOA_OA1_ACT __BIT(1) #define OMAP3_I2C_ACTOA_OA0_ACT __BIT(0) #define OMAP3_I2C_SBLOCK 0x54 /* Bus locking (slave) */ #define OMAP3_I2C_SBLOCK_OA3_EN __BIT(3) #define OMAP3_I2C_SBLOCK_OA2_EN __BIT(2) #define OMAP3_I2C_SBLOCK_OA1_EN __BIT(1) #define OMAP3_I2C_SBLOCK_OA0_EN __BIT(0) #endif /* !_OMAP3_I2CREG_H */