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/*
* arch/arm/mach-at91/include/mach/at91_ssc.h
*
* Copyright (C) SAN People
*
* Serial Synchronous Controller (SSC) registers.
* Based on AT91RM9200 datasheet revision E.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef AT91_SSC_H
#define AT91_SSC_H
#define AT91_SSC_CR 0x00 /* Control Register */
#define AT91_SSC_RXEN (1 << 0) /* Receive Enable */
#define AT91_SSC_RXDIS (1 << 1) /* Receive Disable */
#define AT91_SSC_TXEN (1 << 8) /* Transmit Enable */
#define AT91_SSC_TXDIS (1 << 9) /* Transmit Disable */
#define AT91_SSC_SWRST (1 << 15) /* Software Reset */
#define AT91_SSC_CMR 0x04 /* Clock Mode Register */
#define AT91_SSC_CMR_DIV (0xfff << 0) /* Clock Divider */
#define AT91_SSC_RCMR 0x10 /* Receive Clock Mode Register */
#define AT91_SSC_CKS (3 << 0) /* Clock Selection */
#define AT91_SSC_CKS_DIV (0 << 0)
#define AT91_SSC_CKS_CLOCK (1 << 0)
#define AT91_SSC_CKS_PIN (2 << 0)
#define AT91_SSC_CKO (7 << 2) /* Clock Output Mode Selection */
#define AT91_SSC_CKO_NONE (0 << 2)
#define AT91_SSC_CKO_CONTINUOUS (1 << 2)
#define AT91_SSC_CKI (1 << 5) /* Clock Inversion */
#define AT91_SSC_CKI_FALLING (0 << 5)
#define AT91_SSC_CK_RISING (1 << 5)
#define AT91_SSC_CKG (1 << 6) /* Receive Clock Gating Selection [AT91SAM9261 only] */
#define AT91_SSC_CKG_NONE (0 << 6)
#define AT91_SSC_CKG_RFLOW (1 << 6)
#define AT91_SSC_CKG_RFHIGH (2 << 6)
#define AT91_SSC_START (0xf << 8) /* Start Selection */
#define AT91_SSC_START_CONTINUOUS (0 << 8)
#define AT91_SSC_START_TX_RX (1 << 8)
#define AT91_SSC_START_LOW_RF (2 << 8)
#define AT91_SSC_START_HIGH_RF (3 << 8)
#define AT91_SSC_START_FALLING_RF (4 << 8)
#define AT91_SSC_START_RISING_RF (5 << 8)
#define AT91_SSC_START_LEVEL_RF (6 << 8)
#define AT91_SSC_START_EDGE_RF (7 << 8)
#define AT91_SSC_STOP (1 << 12) /* Receive Stop Selection [AT91SAM9261 only] */
#define AT91_SSC_STTDLY (0xff << 16) /* Start Delay */
#define AT91_SSC_PERIOD (0xff << 24) /* Period Divider Selection */
#define AT91_SSC_RFMR 0x14 /* Receive Frame Mode Register */
#define AT91_SSC_DATALEN (0x1f << 0) /* Data Length */
#define AT91_SSC_LOOP (1 << 5) /* Loop Mode */
#define AT91_SSC_MSBF (1 << 7) /* Most Significant Bit First */
#define AT91_SSC_DATNB (0xf << 8) /* Data Number per Frame */
#define AT91_SSC_FSLEN (0xf << 16) /* Frame Sync Length */
#define AT91_SSC_FSOS (7 << 20) /* Frame Sync Output Selection */
#define AT91_SSC_FSOS_NONE (0 << 20)
#define AT91_SSC_FSOS_NEGATIVE (1 << 20)
#define AT91_SSC_FSOS_POSITIVE (2 << 20)
#define AT91_SSC_FSOS_LOW (3 << 20)
#define AT91_SSC_FSOS_HIGH (4 << 20)
#define AT91_SSC_FSOS_TOGGLE (5 << 20)
#define AT91_SSC_FSEDGE (1 << 24) /* Frame Sync Edge Detection */
#define AT91_SSC_FSEDGE_POSITIVE (0 << 24)
#define AT91_SSC_FSEDGE_NEGATIVE (1 << 24)
#define AT91_SSC_TCMR 0x18 /* Transmit Clock Mode Register */
#define AT91_SSC_TFMR 0x1c /* Transmit Fram Mode Register */
#define AT91_SSC_DATDEF (1 << 5) /* Data Default Value */
#define AT91_SSC_FSDEN (1 << 23) /* Frame Sync Data Enable */
#define AT91_SSC_RHR 0x20 /* Receive Holding Register */
#define AT91_SSC_THR 0x24 /* Transmit Holding Register */
#define AT91_SSC_RSHR 0x30 /* Receive Sync Holding Register */
#define AT91_SSC_TSHR 0x34 /* Transmit Sync Holding Register */
#define AT91_SSC_RC0R 0x38 /* Receive Compare 0 Register [AT91SAM9261 only] */
#define AT91_SSC_RC1R 0x3c /* Receive Compare 1 Register [AT91SAM9261 only] */
#define AT91_SSC_SR 0x40 /* Status Register */
#define AT91_SSC_TXRDY (1 << 0) /* Transmit Ready */
#define AT91_SSC_TXEMPTY (1 << 1) /* Transmit Empty */
#define AT91_SSC_ENDTX (1 << 2) /* End of Transmission */
#define AT91_SSC_TXBUFE (1 << 3) /* Transmit Buffer Empty */
#define AT91_SSC_RXRDY (1 << 4) /* Receive Ready */
#define AT91_SSC_OVRUN (1 << 5) /* Receive Overrun */
#define AT91_SSC_ENDRX (1 << 6) /* End of Reception */
#define AT91_SSC_RXBUFF (1 << 7) /* Receive Buffer Full */
#define AT91_SSC_CP0 (1 << 8) /* Compare 0 [AT91SAM9261 only] */
#define AT91_SSC_CP1 (1 << 9) /* Compare 1 [AT91SAM9261 only] */
#define AT91_SSC_TXSYN (1 << 10) /* Transmit Sync */
#define AT91_SSC_RXSYN (1 << 11) /* Receive Sync */
#define AT91_SSC_TXENA (1 << 16) /* Transmit Enable */
#define AT91_SSC_RXENA (1 << 17) /* Receive Enable */
#define AT91_SSC_IER 0x44 /* Interrupt Enable Register */
#define AT91_SSC_IDR 0x48 /* Interrupt Disable Register */
#define AT91_SSC_IMR 0x4c /* Interrupt Mask Register */
#endif
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