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linux_dsm_epyc7002/drivers/char/mxser.h
Alan Cox 7f748bbd7f mxser: Remove use of dead TTY_FLIPBUF_SIZE definition 
We simply define it to the same value.  Nowdays the TTY flip value is
irrelevant but the value it used is as good as any so why risk breaking it

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17 08:42:52 -07:00

442 lines
14 KiB
C
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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_GET_CONF (MOXA + 35)
#define MOXA_DIAGNOSE (MOXA + 50)
#define MOXA_CHKPORTENABLE (MOXA + 60)
#define MOXA_HighSpeedOn (MOXA + 61)
#define MOXA_GET_MAJOR (MOXA + 63)
#define MOXA_GET_CUMAJOR (MOXA + 64)
#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
// above add by Victor Yu. 01-05-2004
#define TTY_THRESHOLD_THROTTLE 128
#define HI_WATER 768
// added by James. 03-11-2004.
#define MOXA_SDS_GETICOUNTER (MOXA + 68)
#define MOXA_SDS_RSTICOUNTER (MOXA + 69)
// (above) added by James.
#define MOXA_ASPP_OQUEUE (MOXA + 70)
#define MOXA_ASPP_SETBAUD (MOXA + 71)
#define MOXA_ASPP_GETBAUD (MOXA + 72)
#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
//CheckIsMoxaMust return value
#define MOXA_OTHER_UART 0x00
#define MOXA_MUST_MU150_HWID 0x01
#define MOXA_MUST_MU860_HWID 0x02
// 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
// recieved 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
//#define MOXA_MUST_MIN_XOFFLIMIT 66
//#define MOXA_MUST_MIN_XONLIMIT 20
//#define ID1_RX_TRIG 120
#define CHECK_MOXA_MUST_XOFFLIMIT(info) { \
if ( (info)->IsMoxaMustChipFlag && \
(info)->HandFlow.XoffLimit < MOXA_MUST_MIN_XOFFLIMIT ) { \
(info)->HandFlow.XoffLimit = MOXA_MUST_MIN_XOFFLIMIT; \
(info)->HandFlow.XonLimit = MOXA_MUST_MIN_XONLIMIT; \
} \
}
#define ENABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr |= MOXA_MUST_EFR_EFRB_ENABLE; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define DISABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_EFRB_ENABLE; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_XON1_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK0; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_XON1_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_XON2_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK0; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_XON2_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_XOFF1_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK0; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_XOFF1_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_XOFF2_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK0; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_XOFF2_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_RBRTL_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_RBRTL_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_RBRTH_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_RBRTH_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_RBRTI_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_RBRTI_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_THRTL_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_THRTL_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
//#define MOXA_MUST_RBRL_VALUE 4
#define SET_MOXA_MUST_FIFO_VALUE(info) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((info)->base+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (info)->base+UART_LCR); \
__efr = inb((info)->base+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK1; \
outb(__efr, (info)->base+MOXA_MUST_EFR_REGISTER); \
outb((u8)((info)->rx_high_water), (info)->base+MOXA_MUST_RBRTH_REGISTER); \
outb((u8)((info)->rx_trigger), (info)->base+MOXA_MUST_RBRTI_REGISTER); \
outb((u8)((info)->rx_low_water), (info)->base+MOXA_MUST_RBRTL_REGISTER); \
outb(__oldlcr, (info)->base+UART_LCR); \
}
#define SET_MOXA_MUST_ENUM_VALUE(baseio, Value) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK2; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb((u8)(Value), (baseio)+MOXA_MUST_ENUM_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define GET_MOXA_MUST_HARDWARE_ID(baseio, pId) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_BANK_MASK; \
__efr |= MOXA_MUST_EFR_BANK2; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
*pId = inb((baseio)+MOXA_MUST_HWID_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_MASK; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_JUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_MASK; \
__efr |= MOXA_MUST_EFR_SF_TX1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \
__efr |= MOXA_MUST_EFR_SF_TX1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define SET_MOXA_MUST_JUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_MASK; \
__efr |= MOXA_MUST_EFR_SF_RX1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \
__efr |= MOXA_MUST_EFR_SF_RX1; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define ENABLE_MOXA_MUST_TX_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
u8 __oldlcr, __efr; \
__oldlcr = inb((baseio)+UART_LCR); \
outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
__efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
__efr &= ~MOXA_MUST_EFR_SF_MASK; \
__efr |= (MOXA_MUST_EFR_SF_RX1|MOXA_MUST_EFR_SF_TX1); \
outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
outb(__oldlcr, (baseio)+UART_LCR); \
}
#define ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \
u8 __oldmcr; \
__oldmcr = inb((baseio)+UART_MCR); \
__oldmcr |= MOXA_MUST_MCR_XON_ANY; \
outb(__oldmcr, (baseio)+UART_MCR); \
}
#define DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \
u8 __oldmcr; \
__oldmcr = inb((baseio)+UART_MCR); \
__oldmcr &= ~MOXA_MUST_MCR_XON_ANY; \
outb(__oldmcr, (baseio)+UART_MCR); \
}
#define READ_MOXA_MUST_GDL(baseio) inb((baseio)+MOXA_MUST_GDL_REGISTER)
#endif
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