FreeBSD/Linux Kernel Cross Reference
sys/arm/freescale/imx/imx51_ssireg.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2012, 2013 The FreeBSD Foundation
      * All rights reserved.
      *
      * This software was developed by Oleksandr Rybalko under sponsorship
      * from the FreeBSD Foundation.
      *
     * 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 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 AUTHOR 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.
     *
     * $FreeBSD$
     */
    
    /* Registers definition for Freescale i.MX515 Synchronous Serial Interface */
    
    #define IMX51_SSI_STX0_REG      0x0000 /* SSI TX Data Register 0 */
    #define IMX51_SSI_STX1_REG      0x0004 /* SSI TX Data Register 1 */
    #define IMX51_SSI_SRX0_REG      0x0008 /* SSI RX Data Register 0 */
    #define IMX51_SSI_SRX1_REG      0x000C /* SSI RX Data Register 1 */
    #define IMX51_SSI_SCR_REG       0x0010 /* SSI Control Register */
    #define         SSI_SCR_RFR_CLK_DIS     (1 << 11) /* RX FC Disable */
    #define         SSI_SCR_TFR_CLK_DIS     (1 << 10) /* TX FC Disable */
    #define         SSI_SCR_CLK_IST         (1 << 9) /* Clock Idle */
    #define         SSI_SCR_TCH_EN          (1 << 8) /* 2Chan Enable */
    #define         SSI_SCR_SYS_CLK_EN      (1 << 7) /* System Clock En */
    #define         SSI_SCR_MODE_NORMAL     (0 << 5)
    #define         SSI_SCR_MODE_I2S_MASTER (1 << 5)
    #define         SSI_SCR_MODE_I2S_SLAVE  (2 << 5)
    #define         SSI_SCR_MODE_MASK       (3 << 5)
    #define         SSI_SCR_SYN             (1 << 4) /* Sync Mode */
    #define         SSI_SCR_NET             (1 << 3) /* Network Mode */
    #define         SSI_SCR_RE              (1 << 2) /* RX Enable */
    #define         SSI_SCR_TE              (1 << 1) /* TX Enable */
    #define         SSI_SCR_SSIEN           (1 << 0) /* SSI Enable */
    
    #define IMX51_SSI_SISR_REG      0x0014 /* SSI Interrupt Status Register */
    #define         SSI_SISR_RFRC           (1 << 24) /* RX Frame Complete */
    #define         SSI_SIR_TFRC            (1 << 23) /* TX Frame Complete */
    #define         SSI_SIR_CMDAU           (1 << 18) /* Command Address Updated */
    #define         SSI_SIR_CMDDU           (1 << 17) /* Command Data Updated */
    #define         SSI_SIR_RXT             (1 << 16) /* RX Tag Updated */
    #define         SSI_SIR_RDR1            (1 << 15) /* RX Data Ready 1 */
    #define         SSI_SIR_RDR0            (1 << 14) /* RX Data Ready 0 */
    #define         SSI_SIR_TDE1            (1 << 13) /* TX Data Reg Empty 1 */
    #define         SSI_SIR_TDE0            (1 << 12) /* TX Data Reg Empty 0 */
    #define         SSI_SIR_ROE1            (1 << 11) /* RXer Overrun Error 1 */
    #define         SSI_SIR_ROE0            (1 << 10) /* RXer Overrun Error 0 */
    #define         SSI_SIR_TUE1            (1 << 9) /* TXer Underrun Error 1 */
    #define         SSI_SIR_TUE0            (1 << 8) /* TXer Underrun Error 0 */
    #define         SSI_SIR_TFS             (1 << 7) /* TX Frame Sync */
    #define         SSI_SIR_RFS             (1 << 6) /* RX Frame Sync */
    #define         SSI_SIR_TLS             (1 << 5) /* TX Last Time Slot */
    #define         SSI_SIR_RLS             (1 << 4) /* RX Last Time Slot */
    #define         SSI_SIR_RFF1            (1 << 3) /* RX FIFO Full 1 */
    #define         SSI_SIR_RFF0            (1 << 2) /* RX FIFO Full 0 */
    #define         SSI_SIR_TFE1            (1 << 1) /* TX FIFO Empty 1 */
    #define         SSI_SIR_TFE0            (1 << 0) /* TX FIFO Empty 0 */
    
    #define IMX51_SSI_SIER_REG      0x0018 /* SSI Interrupt Enable Register */
    /* 24-23 Enable Bit     (See SISR) */
    #define         SSI_SIER_RDMAE          (1 << 22) /* RX DMA Enable */
    #define         SSI_SIER_RIE            (1 << 21) /* RX Interrupt Enable */
    #define         SSI_SIER_TDMAE          (1 << 20) /* TX DMA Enable */
    #define         SSI_SIER_TIE            (1 << 19) /* TX Interrupt Enable */
    /* 18-0 Enable Bits     (See SISR) */
    
    #define IMX51_SSI_STCR_REG      0x001C /* SSI TX Configuration Register */
    #define         SSI_STCR_TXBIT0         (1 << 9) /* TX Bit 0 */
    #define         SSI_STCR_TFEN1          (1 << 8) /* TX FIFO Enable 1 */
    #define         SSI_STCR_TFEN0          (1 << 7) /* TX FIFO Enable 0 */
    #define         SSI_STCR_TFDIR          (1 << 6) /* TX Frame Direction */
    #define         SSI_STCR_TXDIR          (1 << 5) /* TX Clock Direction */
    #define         SSI_STCR_TSHFD          (1 << 4) /* TX Shift Direction */
    #define         SSI_STCR_TSCKP          (1 << 3) /* TX Clock Polarity */
    #define         SSI_STCR_TFSI           (1 << 2) /* TX Frame Sync Invert */
    #define         SSI_STCR_TFSL           (1 << 1) /* TX Frame Sync Length */
    #define         SSI_STCR_TEFS           (1 << 0) /* TX Early Frame Sync */
    
    #define IMX51_SSI_SRCR_REG      0x0020 /* SSI RX Configuration Register */
   #define         SSI_SRCR_RXEXT          (1 << 10) /* RX Data Extension */
   #define         SSI_SRCR_RXBIT0         (1 << 9) /* RX Bit 0 */
   #define         SSI_SRCR_RFEN1          (1 << 8) /* RX FIFO Enable 1 */
   #define         SSI_SRCR_RFEN0          (1 << 7) /* RX FIFO Enable 0 */
   #define         SSI_SRCR_RFDIR          (1 << 6) /* RX Frame Direction */
   #define         SSI_SRCR_RXDIR          (1 << 5) /* RX Clock Direction */
   #define         SSI_SRCR_RSHFD          (1 << 4) /* RX Shift Direction */
   #define         SSI_SRCR_RSCKP          (1 << 3) /* RX Clock Polarity */
   #define         SSI_SRCR_RFSI           (1 << 2) /* RX Frame Sync Invert */
   #define         SSI_SRCR_RFSL           (1 << 1) /* RX Frame Sync Length */
   #define         SSI_SRCR_REFS           (1 << 0) /* RX Early Frame Sync */
   
   #define IMX51_SSI_STCCR_REG     0x0024 /* TX Clock Control */
   #define IMX51_SSI_SRCCR_REG     0x0028 /* RX Clock Control */
   #define         SSI_SXCCR_DIV2          (1 << 18) /* Divide By 2 */
   #define         SSI_SXCCR_PSR           (1 << 17) /* Prescaler Range */
   #define         SSI_SXCCR_WL_MASK       0x0001e000
   #define         SSI_SXCCR_WL_SHIFT      13 /* Word Length Control */
   #define         SSI_SXCCR_DC_MASK       0x00001f00
   #define         SSI_SXCCR_DC_SHIFT      8 /* Frame Rate Divider */
   #define         SSI_SXCCR_PM_MASK       0x000000ff
   #define         SSI_SXCCR_PM_SHIFT      0 /* Prescaler Modulus */
   
   #define IMX51_SSI_SFCSR_REG     0x002C /* SSI FIFO Control/Status Register */
   #define         SSI_SFCSR_RFCNT1_MASK   0xf0000000
   #define         SSI_SFCSR_RFCNT1_SHIFT  28 /* RX FIFO Counter 1 */
   #define         SSI_SFCSR_TFCNT1_MASK   0x0f000000
   #define         SSI_SFCSR_TFCNT1_SHIFT  24 /* TX FIFO Counter 1 */
   #define         SSI_SFCSR_RFWM1_MASK    0x00f00000
   #define         SSI_SFCSR_RFWM1_SHIFT   20 /* RX FIFO Full WaterMark 1 */
   #define         SSI_SFCSR_TFWM1_MASK    0x000f0000
   #define         SSI_SFCSR_TFWM1_SHIFT   16 /* TX FIFO Empty WaterMark 1 */
   #define         SSI_SFCSR_RFCNT0_MASK   0x0000f000
   #define         SSI_SFCSR_RFCNT0_SHIFT  12 /* RX FIFO Counter 0 */
   #define         SSI_SFCSR_TFCNT0_MASK   0x00000f00
   #define         SSI_SFCSR_TFCNT0_SHIFT  8 /* TX FIFO Counter 0 */
   #define         SSI_SFCSR_RFWM0_MASK    0x000000f0
   #define         SSI_SFCSR_RFWM0_SHIFT   4 /* RX FIFO Full WaterMark 0 */
   #define         SSI_SFCSR_TFWM0_MASK    0x0000000f
   #define         SSI_SFCSR_TFWM0_SHIFT   0 /* TX FIFO Empty WaterMark 0 */
   
   #define IMX51_SSI_STR_REG       0x0030 /* SSI Test Register1 */
   #define         SSI_STR_TEST            (1 << 15) /* Test Mode */
   #define         SSI_STR_RCK2TCK         (1 << 14) /* RX<->TX Clock Loop Back */
   #define         SSI_STR_RFS2TFS         (1 << 13) /* RX<->TX Frame Loop Back */
   #define         SSI_STR_RXSTATE_MASK    0x00001f00
   #define         SSI_STR_RXSTATE_SHIFT   8 /* RXer State Machine Status */
   #define         SSI_STR_TXD2RXD         (1 << 7) /* TX<->RX Data Loop Back */
   #define         SSI_STR_TCK2RCK         (1 << 6) /* TX<->RX Clock Loop Back */
   #define         SSI_STR_TFS2RFS         (1 << 5) /* TX<->RX Frame Loop Back */
   #define         SSI_STR_TXSTATE_MASK    0x0000001f
   #define         SSI_STR_TXSTATE_SHIFT   0 /* TXer State Machine Status */
   
   #define IMX51_SSI_SOR_REG       0x0034 /* SSI Option Register2 */
   #define         SSI_SOR_CLKOFF          (1 << 6) /* Clock Off */
   #define         SSI_SOR_RX_CLR          (1 << 5) /* RXer Clear */
   #define         SSI_SOR_TX_CLR          (1 << 4) /* TXer Clear */
   #define         SSI_SOR_INIT            (1 << 3) /* Initialize */
   #define         SSI_SOR_WAIT_MASK       0x00000006
   #define         SSI_SOR_INIT_SHIFT      1 /* Wait */
   #define         SSI_SOR_SYNRST          (1 << 0) /* Frame Sync Reset */
   
   #define IMX51_SSI_SACNT_REG     0x0038 /* SSI AC97 Control Register */
   #define         SSI_SACNT_FRDIV_MASK    0x000007e0
   #define         SSI_SACNT_FRDIV_SHIFT   5 /* Frame Rate Divider */
   #define         SSI_SACNT_WR            (1 << 4) /* Write Command */
   #define         SSI_SACNT_RD            (1 << 3) /* Read Command */
   #define         SSI_SACNT_TIF           (1 << 2) /* Tag in FIFO */
   #define         SSI_SACNT_FV            (1 << 1) /* Fixed/Variable Operation */
   #define         SSI_SACNT_AC97EN        (1 << 0) /* AC97 Mode Enable */
   
   #define IMX51_SSI_SACADD_REG    0x003C /* SSI AC97 Command Address Register */
   #define         SSI_SACADD_MASK         0x0007ffff
   #define IMX51_SSI_SACDAT_REG    0x0040 /* SSI AC97 Command Data Register */
   #define         SSI_SACDAT_MASK         0x000fffff
   #define IMX51_SSI_SATAG_REG     0x0044 /* SSI AC97 Tag Register */
   #define         SSI_SATAG_MASK          0x0000ffff
   #define IMX51_SSI_STMSK_REG     0x0048 /* SSI TX Time Slot Mask Register */
   #define IMX51_SSI_SRMSK_REG     0x004C /* SSI RX Time Slot Mask Register */
   #define IMX51_SSI_SACCST_REG    0x0050 /* SSI AC97 Channel Status Register */
   #define IMX51_SSI_SACCEN_REG    0x0054 /* SSI AC97 Channel Enable Register */
   #define IMX51_SSI_SACCDIS_REG   0x0058 /* SSI AC97 Channel Disable Register */
   #define         SSI_SAC_MASK            0x000003ff /* SACCST,SACCEN,SACCDIS */

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