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kernel/linux-imx6_3.14.28/drivers/tty/mxser.h 4.49 KB
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  #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