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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _MXSER_H
#define _MXSER_H
/*
* Semi-public control interfaces
*/
/*
* MOXA ioctls
*/
#define MOXA 0x400
#define MOXA_GETDATACOUNT (MOXA + 23)
#define MOXA_DIAGNOSE (MOXA + 50)
#define MOXA_CHKPORTENABLE (MOXA + 60)
#define MOXA_HighSpeedOn (MOXA + 61)
#define MOXA_GET_MAJOR (MOXA + 63)
#define MOXA_GETMSTATUS (MOXA + 65)
#define MOXA_SET_OP_MODE (MOXA + 66)
#define MOXA_GET_OP_MODE (MOXA + 67)
#define RS232_MODE 0
#define RS485_2WIRE_MODE 1
#define RS422_MODE 2
#define RS485_4WIRE_MODE 3
#define OP_MODE_MASK 3
#define MOXA_SDS_RSTICOUNTER (MOXA + 69)
#define MOXA_ASPP_OQUEUE (MOXA + 70)
#define MOXA_ASPP_MON (MOXA + 73)
#define MOXA_ASPP_LSTATUS (MOXA + 74)
#define MOXA_ASPP_MON_EXT (MOXA + 75)
#define MOXA_SET_BAUD_METHOD (MOXA + 76)
/* --------------------------------------------------- */
#define NPPI_NOTIFY_PARITY 0x01
#define NPPI_NOTIFY_FRAMING 0x02
#define NPPI_NOTIFY_HW_OVERRUN 0x04
#define NPPI_NOTIFY_SW_OVERRUN 0x08
#define NPPI_NOTIFY_BREAK 0x10
#define NPPI_NOTIFY_CTSHOLD 0x01 /* Tx hold by CTS low */
#define NPPI_NOTIFY_DSRHOLD 0x02 /* Tx hold by DSR low */
#define NPPI_NOTIFY_XOFFHOLD 0x08 /* Tx hold by Xoff received */
#define NPPI_NOTIFY_XOFFXENT 0x10 /* Xoff Sent */
/* follow just for Moxa Must chip define. */
/* */
/* when LCR register (offset 0x03) write following value, */
/* the Must chip will enter enchance mode. And write value */
/* on EFR (offset 0x02) bit 6,7 to change bank. */
#define MOXA_MUST_ENTER_ENCHANCE 0xBF
/* when enhance mode enable, access on general bank register */
#define MOXA_MUST_GDL_REGISTER 0x07
#define MOXA_MUST_GDL_MASK 0x7F
#define MOXA_MUST_GDL_HAS_BAD_DATA 0x80
#define MOXA_MUST_LSR_RERR 0x80 /* error in receive FIFO */
/* enchance register bank select and enchance mode setting register */
/* when LCR register equal to 0xBF */
#define MOXA_MUST_EFR_REGISTER 0x02
/* enchance mode enable */
#define MOXA_MUST_EFR_EFRB_ENABLE 0x10
/* enchance reister bank set 0, 1, 2 */
#define MOXA_MUST_EFR_BANK0 0x00
#define MOXA_MUST_EFR_BANK1 0x40
#define MOXA_MUST_EFR_BANK2 0x80
#define MOXA_MUST_EFR_BANK3 0xC0
#define MOXA_MUST_EFR_BANK_MASK 0xC0
/* set XON1 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XON1_REGISTER 0x04
/* set XON2 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XON2_REGISTER 0x05
/* set XOFF1 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XOFF1_REGISTER 0x06
/* set XOFF2 value register, when LCR=0xBF and change to bank0 */
#define MOXA_MUST_XOFF2_REGISTER 0x07
#define MOXA_MUST_RBRTL_REGISTER 0x04
#define MOXA_MUST_RBRTH_REGISTER 0x05
#define MOXA_MUST_RBRTI_REGISTER 0x06
#define MOXA_MUST_THRTL_REGISTER 0x07
#define MOXA_MUST_ENUM_REGISTER 0x04
#define MOXA_MUST_HWID_REGISTER 0x05
#define MOXA_MUST_ECR_REGISTER 0x06
#define MOXA_MUST_CSR_REGISTER 0x07
/* good data mode enable */
#define MOXA_MUST_FCR_GDA_MODE_ENABLE 0x20
/* only good data put into RxFIFO */
#define MOXA_MUST_FCR_GDA_ONLY_ENABLE 0x10
/* enable CTS interrupt */
#define MOXA_MUST_IER_ECTSI 0x80
/* enable RTS interrupt */
#define MOXA_MUST_IER_ERTSI 0x40
/* enable Xon/Xoff interrupt */
#define MOXA_MUST_IER_XINT 0x20
/* enable GDA interrupt */
#define MOXA_MUST_IER_EGDAI 0x10
#define MOXA_MUST_RECV_ISR (UART_IER_RDI | MOXA_MUST_IER_EGDAI)
/* GDA interrupt pending */
#define MOXA_MUST_IIR_GDA 0x1C
#define MOXA_MUST_IIR_RDA 0x04
#define MOXA_MUST_IIR_RTO 0x0C
#define MOXA_MUST_IIR_LSR 0x06
/* received Xon/Xoff or specical interrupt pending */
#define MOXA_MUST_IIR_XSC 0x10
/* RTS/CTS change state interrupt pending */
#define MOXA_MUST_IIR_RTSCTS 0x20
#define MOXA_MUST_IIR_MASK 0x3E
#define MOXA_MUST_MCR_XON_FLAG 0x40
#define MOXA_MUST_MCR_XON_ANY 0x80
#define MOXA_MUST_MCR_TX_XON 0x08
/* software flow control on chip mask value */
#define MOXA_MUST_EFR_SF_MASK 0x0F
/* send Xon1/Xoff1 */
#define MOXA_MUST_EFR_SF_TX1 0x08
/* send Xon2/Xoff2 */
#define MOXA_MUST_EFR_SF_TX2 0x04
/* send Xon1,Xon2/Xoff1,Xoff2 */
#define MOXA_MUST_EFR_SF_TX12 0x0C
/* don't send Xon/Xoff */
#define MOXA_MUST_EFR_SF_TX_NO 0x00
/* Tx software flow control mask */
#define MOXA_MUST_EFR_SF_TX_MASK 0x0C
/* don't receive Xon/Xoff */
#define MOXA_MUST_EFR_SF_RX_NO 0x00
/* receive Xon1/Xoff1 */
#define MOXA_MUST_EFR_SF_RX1 0x02
/* receive Xon2/Xoff2 */
#define MOXA_MUST_EFR_SF_RX2 0x01
/* receive Xon1,Xon2/Xoff1,Xoff2 */
#define MOXA_MUST_EFR_SF_RX12 0x03
/* Rx software flow control mask */
#define MOXA_MUST_EFR_SF_RX_MASK 0x03
#endif
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