1/*- 2 * Copyright (c) 2012, 2013 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Oleksandr Rybalko under sponsorship 6 * from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: releng/10.3/sys/arm/freescale/imx/imx51_ssireg.h 250357 2013-05-08 09:42:50Z ray $ 30 */ 31 32/* Registers definition for Freescale i.MX515 Synchronous Serial Interface */ 33 34#define IMX51_SSI_STX0_REG 0x0000 /* SSI TX Data Register 0 */ 35#define IMX51_SSI_STX1_REG 0x0004 /* SSI TX Data Register 1 */ 36#define IMX51_SSI_SRX0_REG 0x0008 /* SSI RX Data Register 0 */ 37#define IMX51_SSI_SRX1_REG 0x000C /* SSI RX Data Register 1 */ 38#define IMX51_SSI_SCR_REG 0x0010 /* SSI Control Register */ 39#define SSI_SCR_RFR_CLK_DIS (1 << 11) /* RX FC Disable */ 40#define SSI_SCR_TFR_CLK_DIS (1 << 10) /* TX FC Disable */ 41#define SSI_SCR_CLK_IST (1 << 9) /* Clock Idle */ 42#define SSI_SCR_TCH_EN (1 << 8) /* 2Chan Enable */ 43#define SSI_SCR_SYS_CLK_EN (1 << 7) /* System Clock En */ 44#define SSI_SCR_MODE_NORMAL (0 << 5) 45#define SSI_SCR_MODE_I2S_MASTER (1 << 5) 46#define SSI_SCR_MODE_I2S_SLAVE (2 << 5) 47#define SSI_SCR_MODE_MASK (3 << 5) 48#define SSI_SCR_SYN (1 << 4) /* Sync Mode */ 49#define SSI_SCR_NET (1 << 3) /* Network Mode */ 50#define SSI_SCR_RE (1 << 2) /* RX Enable */ 51#define SSI_SCR_TE (1 << 1) /* TX Enable */ 52#define SSI_SCR_SSIEN (1 << 0) /* SSI Enable */ 53 54#define IMX51_SSI_SISR_REG 0x0014 /* SSI Interrupt Status Register */ 55#define SSI_SISR_RFRC (1 << 24) /* RX Frame Complete */ 56#define SSI_SIR_TFRC (1 << 23) /* TX Frame Complete */ 57#define SSI_SIR_CMDAU (1 << 18) /* Command Address Updated */ 58#define SSI_SIR_CMDDU (1 << 17) /* Command Data Updated */ 59#define SSI_SIR_RXT (1 << 16) /* RX Tag Updated */ 60#define SSI_SIR_RDR1 (1 << 15) /* RX Data Ready 1 */ 61#define SSI_SIR_RDR0 (1 << 14) /* RX Data Ready 0 */ 62#define SSI_SIR_TDE1 (1 << 13) /* TX Data Reg Empty 1 */ 63#define SSI_SIR_TDE0 (1 << 12) /* TX Data Reg Empty 0 */ 64#define SSI_SIR_ROE1 (1 << 11) /* RXer Overrun Error 1 */ 65#define SSI_SIR_ROE0 (1 << 10) /* RXer Overrun Error 0 */ 66#define SSI_SIR_TUE1 (1 << 9) /* TXer Underrun Error 1 */ 67#define SSI_SIR_TUE0 (1 << 8) /* TXer Underrun Error 0 */ 68#define SSI_SIR_TFS (1 << 7) /* TX Frame Sync */ 69#define SSI_SIR_RFS (1 << 6) /* RX Frame Sync */ 70#define SSI_SIR_TLS (1 << 5) /* TX Last Time Slot */ 71#define SSI_SIR_RLS (1 << 4) /* RX Last Time Slot */ 72#define SSI_SIR_RFF1 (1 << 3) /* RX FIFO Full 1 */ 73#define SSI_SIR_RFF0 (1 << 2) /* RX FIFO Full 0 */ 74#define SSI_SIR_TFE1 (1 << 1) /* TX FIFO Empty 1 */ 75#define SSI_SIR_TFE0 (1 << 0) /* TX FIFO Empty 0 */ 76 77#define IMX51_SSI_SIER_REG 0x0018 /* SSI Interrupt Enable Register */ 78/* 24-23 Enable Bit (See SISR) */ 79#define SSI_SIER_RDMAE (1 << 22) /* RX DMA Enable */ 80#define SSI_SIER_RIE (1 << 21) /* RX Interrupt Enable */ 81#define SSI_SIER_TDMAE (1 << 20) /* TX DMA Enable */ 82#define SSI_SIER_TIE (1 << 19) /* TX Interrupt Enable */ 83/* 18-0 Enable Bits (See SISR) */ 84 85#define IMX51_SSI_STCR_REG 0x001C /* SSI TX Configuration Register */ 86#define SSI_STCR_TXBIT0 (1 << 9) /* TX Bit 0 */ 87#define SSI_STCR_TFEN1 (1 << 8) /* TX FIFO Enable 1 */ 88#define SSI_STCR_TFEN0 (1 << 7) /* TX FIFO Enable 0 */ 89#define SSI_STCR_TFDIR (1 << 6) /* TX Frame Direction */ 90#define SSI_STCR_TXDIR (1 << 5) /* TX Clock Direction */ 91#define SSI_STCR_TSHFD (1 << 4) /* TX Shift Direction */ 92#define SSI_STCR_TSCKP (1 << 3) /* TX Clock Polarity */ 93#define SSI_STCR_TFSI (1 << 2) /* TX Frame Sync Invert */ 94#define SSI_STCR_TFSL (1 << 1) /* TX Frame Sync Length */ 95#define SSI_STCR_TEFS (1 << 0) /* TX Early Frame Sync */ 96 97#define IMX51_SSI_SRCR_REG 0x0020 /* SSI RX Configuration Register */ 98#define SSI_SRCR_RXEXT (1 << 10) /* RX Data Extension */ 99#define SSI_SRCR_RXBIT0 (1 << 9) /* RX Bit 0 */ 100#define SSI_SRCR_RFEN1 (1 << 8) /* RX FIFO Enable 1 */ 101#define SSI_SRCR_RFEN0 (1 << 7) /* RX FIFO Enable 0 */ 102#define SSI_SRCR_RFDIR (1 << 6) /* RX Frame Direction */ 103#define SSI_SRCR_RXDIR (1 << 5) /* RX Clock Direction */ 104#define SSI_SRCR_RSHFD (1 << 4) /* RX Shift Direction */ 105#define SSI_SRCR_RSCKP (1 << 3) /* RX Clock Polarity */ 106#define SSI_SRCR_RFSI (1 << 2) /* RX Frame Sync Invert */ 107#define SSI_SRCR_RFSL (1 << 1) /* RX Frame Sync Length */ 108#define SSI_SRCR_REFS (1 << 0) /* RX Early Frame Sync */ 109 110#define IMX51_SSI_STCCR_REG 0x0024 /* TX Clock Control */ 111#define IMX51_SSI_SRCCR_REG 0x0028 /* RX Clock Control */ 112#define SSI_SXCCR_DIV2 (1 << 18) /* Divide By 2 */ 113#define SSI_SXCCR_PSR (1 << 17) /* Prescaler Range */ 114#define SSI_SXCCR_WL_MASK 0x0001e000 115#define SSI_SXCCR_WL_SHIFT 13 /* Word Length Control */ 116#define SSI_SXCCR_DC_MASK 0x00001f00 117#define SSI_SXCCR_DC_SHIFT 8 /* Frame Rate Divider */ 118#define SSI_SXCCR_PM_MASK 0x000000ff 119#define SSI_SXCCR_PM_SHIFT 0 /* Prescaler Modulus */ 120 121#define IMX51_SSI_SFCSR_REG 0x002C /* SSI FIFO Control/Status Register */ 122#define SSI_SFCSR_RFCNT1_MASK 0xf0000000 123#define SSI_SFCSR_RFCNT1_SHIFT 28 /* RX FIFO Counter 1 */ 124#define SSI_SFCSR_TFCNT1_MASK 0x0f000000 125#define SSI_SFCSR_TFCNT1_SHIFT 24 /* TX FIFO Counter 1 */ 126#define SSI_SFCSR_RFWM1_MASK 0x00f00000 127#define SSI_SFCSR_RFWM1_SHIFT 20 /* RX FIFO Full WaterMark 1 */ 128#define SSI_SFCSR_TFWM1_MASK 0x000f0000 129#define SSI_SFCSR_TFWM1_SHIFT 16 /* TX FIFO Empty WaterMark 1 */ 130#define SSI_SFCSR_RFCNT0_MASK 0x0000f000 131#define SSI_SFCSR_RFCNT0_SHIFT 12 /* RX FIFO Counter 0 */ 132#define SSI_SFCSR_TFCNT0_MASK 0x00000f00 133#define SSI_SFCSR_TFCNT0_SHIFT 8 /* TX FIFO Counter 0 */ 134#define SSI_SFCSR_RFWM0_MASK 0x000000f0 135#define SSI_SFCSR_RFWM0_SHIFT 4 /* RX FIFO Full WaterMark 0 */ 136#define SSI_SFCSR_TFWM0_MASK 0x0000000f 137#define SSI_SFCSR_TFWM0_SHIFT 0 /* TX FIFO Empty WaterMark 0 */ 138 139#define IMX51_SSI_STR_REG 0x0030 /* SSI Test Register1 */ 140#define SSI_STR_TEST (1 << 15) /* Test Mode */ 141#define SSI_STR_RCK2TCK (1 << 14) /* RX<->TX Clock Loop Back */ 142#define SSI_STR_RFS2TFS (1 << 13) /* RX<->TX Frame Loop Back */ 143#define SSI_STR_RXSTATE_MASK 0x00001f00 144#define SSI_STR_RXSTATE_SHIFT 8 /* RXer State Machine Status */ 145#define SSI_STR_TXD2RXD (1 << 7) /* TX<->RX Data Loop Back */ 146#define SSI_STR_TCK2RCK (1 << 6) /* TX<->RX Clock Loop Back */ 147#define SSI_STR_TFS2RFS (1 << 5) /* TX<->RX Frame Loop Back */ 148#define SSI_STR_TXSTATE_MASK 0x0000001f 149#define SSI_STR_TXSTATE_SHIFT 0 /* TXer State Machine Status */ 150 151#define IMX51_SSI_SOR_REG 0x0034 /* SSI Option Register2 */ 152#define SSI_SOR_CLKOFF (1 << 6) /* Clock Off */ 153#define SSI_SOR_RX_CLR (1 << 5) /* RXer Clear */ 154#define SSI_SOR_TX_CLR (1 << 4) /* TXer Clear */ 155#define SSI_SOR_INIT (1 << 3) /* Initialize */ 156#define SSI_SOR_WAIT_MASK 0x00000006 157#define SSI_SOR_INIT_SHIFT 1 /* Wait */ 158#define SSI_SOR_SYNRST (1 << 0) /* Frame Sync Reset */ 159 160#define IMX51_SSI_SACNT_REG 0x0038 /* SSI AC97 Control Register */ 161#define SSI_SACNT_FRDIV_MASK 0x000007e0 162#define SSI_SACNT_FRDIV_SHIFT 5 /* Frame Rate Divider */ 163#define SSI_SACNT_WR (1 << 4) /* Write Command */ 164#define SSI_SACNT_RD (1 << 3) /* Read Command */ 165#define SSI_SACNT_TIF (1 << 2) /* Tag in FIFO */ 166#define SSI_SACNT_FV (1 << 1) /* Fixed/Variable Operation */ 167#define SSI_SACNT_AC97EN (1 << 0) /* AC97 Mode Enable */ 168 169#define IMX51_SSI_SACADD_REG 0x003C /* SSI AC97 Command Address Register */ 170#define SSI_SACADD_MASK 0x0007ffff 171#define IMX51_SSI_SACDAT_REG 0x0040 /* SSI AC97 Command Data Register */ 172#define SSI_SACDAT_MASK 0x000fffff 173#define IMX51_SSI_SATAG_REG 0x0044 /* SSI AC97 Tag Register */ 174#define SSI_SATAG_MASK 0x0000ffff 175#define IMX51_SSI_STMSK_REG 0x0048 /* SSI TX Time Slot Mask Register */ 176#define IMX51_SSI_SRMSK_REG 0x004C /* SSI RX Time Slot Mask Register */ 177#define IMX51_SSI_SACCST_REG 0x0050 /* SSI AC97 Channel Status Register */ 178#define IMX51_SSI_SACCEN_REG 0x0054 /* SSI AC97 Channel Enable Register */ 179#define IMX51_SSI_SACCDIS_REG 0x0058 /* SSI AC97 Channel Disable Register */ 180#define SSI_SAC_MASK 0x000003ff /* SACCST,SACCEN,SACCDIS */ 181