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/* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
* linux/include/linux/cyclades.h
*
* This file was initially written by
* Randolph Bentson <bentson@grieg.seaslug.org> and is maintained by
* Ivan Passos <ivan@cyclades.com>.
*
* This file contains the general definitions for the cyclades.c driver
*$Log: cyclades.h,v $
*Revision 3.1 2002/01/29 11:36:16 henrique
*added throttle field on struct cyclades_port to indicate whether the
*port is throttled or not
*
*Revision 3.1 2000/04/19 18:52:52 ivan
*converted address fields to unsigned long and added fields for physical
*addresses on cyclades_card structure;
*
*Revision 3.0 1998/11/02 14:20:59 ivan
*added nports field on cyclades_card structure;
*
*Revision 2.5 1998/08/03 16:57:01 ivan
*added cyclades_idle_stats structure;
*
*Revision 2.4 1998/06/01 12:09:53 ivan
*removed closing_wait2 from cyclades_port structure;
*
*Revision 2.3 1998/03/16 18:01:12 ivan
*changes in the cyclades_port structure to get it closer to the
*standard serial port structure;
*added constants for new ioctls;
*
*Revision 2.2 1998/02/17 16:50:00 ivan
*changes in the cyclades_port structure (addition of shutdown_wait and
*chip_rev variables);
*added constants for new ioctls and for CD1400 rev. numbers.
*
*Revision 2.1 1997/10/24 16:03:00 ivan
*added rflow (which allows enabling the CD1400 special flow control
*feature) and rtsdtr_inv (which allows DTR/RTS pin inversion) to
*cyclades_port structure;
*added Alpha support
*
*Revision 2.0 1997/06/30 10:30:00 ivan
*added some new doorbell command constants related to IOCTLW and
*UART error signaling
*
*Revision 1.8 1997/06/03 15:30:00 ivan
*added constant ZFIRM_HLT
*added constant CyPCI_Ze_win ( = 2 * Cy_PCI_Zwin)
*
*Revision 1.7 1997/03/26 10:30:00 daniel
*new entries at the end of cyclades_port struct to reallocate
*variables illegally allocated within card memory.
*
*Revision 1.6 1996/09/09 18:35:30 bentson
*fold in changes for Cyclom-Z -- including structures for
*communicating with board as well modest changes to original
*structures to support new features.
*
*Revision 1.5 1995/11/13 21:13:31 bentson
*changes suggested by Michael Chastain <mec@duracef.shout.net>
*to support use of this file in non-kernel applications
*
*
*/
#ifndef _LINUX_CYCLADES_H
#define _LINUX_CYCLADES_H
#include <uapi/linux/cyclades.h>
/* Per card data structure */
struct cyclades_card {
void __iomem *base_addr;
union {
void __iomem *p9050;
struct RUNTIME_9060 __iomem *p9060;
} ctl_addr;
struct BOARD_CTRL __iomem *board_ctrl; /* cyz specific */
int irq;
unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */
unsigned int first_line; /* minor number of first channel on card */
unsigned int nports; /* Number of ports in the card */
int bus_index; /* address shift - 0 for ISA, 1 for PCI */
int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */
u32 hw_ver;
spinlock_t card_lock;
struct cyclades_port *ports;
};
/***************************************
* Memory access functions/macros *
* (required to support Alpha systems) *
***************************************/
#define cy_writeb(port,val) do { writeb((val), (port)); mb(); } while (0)
#define cy_writew(port,val) do { writew((val), (port)); mb(); } while (0)
#define cy_writel(port,val) do { writel((val), (port)); mb(); } while (0)
/*
* Statistics counters
*/
struct cyclades_icount {
__u32 cts, dsr, rng, dcd, tx, rx;
__u32 frame, parity, overrun, brk;
__u32 buf_overrun;
};
/*
* This is our internal structure for each serial port's state.
*
* Many fields are paralleled by the structure used by the serial_struct
* structure.
*
* For definitions of the flags field, see tty.h
*/
struct cyclades_port {
int magic;
struct tty_port port;
struct cyclades_card *card;
union {
struct {
void __iomem *base_addr;
} cyy;
struct {
struct CH_CTRL __iomem *ch_ctrl;
struct BUF_CTRL __iomem *buf_ctrl;
} cyz;
} u;
int line;
int flags; /* defined in tty.h */
int type; /* UART type */
int read_status_mask;
int ignore_status_mask;
int timeout;
int xmit_fifo_size;
int cor1,cor2,cor3,cor4,cor5;
int tbpr,tco,rbpr,rco;
int baud;
int rflow;
int rtsdtr_inv;
int chip_rev;
int custom_divisor;
u8 x_char; /* to be pushed out ASAP */
int breakon;
int breakoff;
int xmit_head;
int xmit_tail;
int xmit_cnt;
int default_threshold;
int default_timeout;
unsigned long rflush_count;
struct cyclades_monitor mon;
struct cyclades_idle_stats idle_stats;
struct cyclades_icount icount;
struct completion shutdown_wait;
int throttle;
};
#define CLOSING_WAIT_DELAY 30*HZ
#define CY_CLOSING_WAIT_NONE ASYNC_CLOSING_WAIT_NONE
#define CY_CLOSING_WAIT_INF ASYNC_CLOSING_WAIT_INF
#define CyMAX_CHIPS_PER_CARD 8
#define CyMAX_CHAR_FIFO 12
#define CyPORTS_PER_CHIP 4
#define CD1400_MAX_SPEED 115200
#define CyISA_Ywin 0x2000
#define CyPCI_Ywin 0x4000
#define CyPCI_Yctl 0x80
#define CyPCI_Zctl CTRL_WINDOW_SIZE
#define CyPCI_Zwin 0x80000
#define CyPCI_Ze_win (2 * CyPCI_Zwin)
#define PCI_DEVICE_ID_MASK 0x06
/**** CD1400 registers ****/
#define CD1400_REV_G 0x46
#define CD1400_REV_J 0x48
#define CyRegSize 0x0400
#define Cy_HwReset 0x1400
#define Cy_ClrIntr 0x1800
#define Cy_EpldRev 0x1e00
/* Global Registers */
#define CyGFRCR (0x40*2)
#define CyRevE (44)
#define CyCAR (0x68*2)
#define CyCHAN_0 (0x00)
#define CyCHAN_1 (0x01)
#define CyCHAN_2 (0x02)
#define CyCHAN_3 (0x03)
#define CyGCR (0x4B*2)
#define CyCH0_SERIAL (0x00)
#define CyCH0_PARALLEL (0x80)
#define CySVRR (0x67*2)
#define CySRModem (0x04)
#define CySRTransmit (0x02)
#define CySRReceive (0x01)
#define CyRICR (0x44*2)
#define CyTICR (0x45*2)
#define CyMICR (0x46*2)
#define CyICR0 (0x00)
#define CyICR1 (0x01)
#define CyICR2 (0x02)
#define CyICR3 (0x03)
#define CyRIR (0x6B*2)
#define CyTIR (0x6A*2)
#define CyMIR (0x69*2)
#define CyIRDirEq (0x80)
#define CyIRBusy (0x40)
#define CyIRUnfair (0x20)
#define CyIRContext (0x1C)
#define CyIRChannel (0x03)
#define CyPPR (0x7E*2)
#define CyCLOCK_20_1MS (0x27)
#define CyCLOCK_25_1MS (0x31)
#define CyCLOCK_25_5MS (0xf4)
#define CyCLOCK_60_1MS (0x75)
#define CyCLOCK_60_2MS (0xea)
/* Virtual Registers */
#define CyRIVR (0x43*2)
#define CyTIVR (0x42*2)
#define CyMIVR (0x41*2)
#define CyIVRMask (0x07)
#define CyIVRRxEx (0x07)
#define CyIVRRxOK (0x03)
#define CyIVRTxOK (0x02)
#define CyIVRMdmOK (0x01)
#define CyTDR (0x63*2)
#define CyRDSR (0x62*2)
#define CyTIMEOUT (0x80)
#define CySPECHAR (0x70)
#define CyBREAK (0x08)
#define CyPARITY (0x04)
#define CyFRAME (0x02)
#define CyOVERRUN (0x01)
#define CyMISR (0x4C*2)
/* see CyMCOR_ and CyMSVR_ for bits*/
#define CyEOSRR (0x60*2)
/* Channel Registers */
#define CyLIVR (0x18*2)
#define CyMscsr (0x01)
#define CyTdsr (0x02)
#define CyRgdsr (0x03)
#define CyRedsr (0x07)
#define CyCCR (0x05*2)
/* Format 1 */
#define CyCHAN_RESET (0x80)
#define CyCHIP_RESET (0x81)
#define CyFlushTransFIFO (0x82)
/* Format 2 */
#define CyCOR_CHANGE (0x40)
#define CyCOR1ch (0x02)
#define CyCOR2ch (0x04)
#define CyCOR3ch (0x08)
/* Format 3 */
#define CySEND_SPEC_1 (0x21)
#define CySEND_SPEC_2 (0x22)
#define CySEND_SPEC_3 (0x23)
#define CySEND_SPEC_4 (0x24)
/* Format 4 */
#define CyCHAN_CTL (0x10)
#define CyDIS_RCVR (0x01)
#define CyENB_RCVR (0x02)
#define CyDIS_XMTR (0x04)
#define CyENB_XMTR (0x08)
#define CySRER (0x06*2)
#define CyMdmCh (0x80)
#define CyRxData (0x10)
#define CyTxRdy (0x04)
#define CyTxMpty (0x02)
#define CyNNDT (0x01)
#define CyCOR1 (0x08*2)
#define CyPARITY_NONE (0x00)
#define CyPARITY_0 (0x20)
#define CyPARITY_1 (0xA0)
#define CyPARITY_E (0x40)
#define CyPARITY_O (0xC0)
#define Cy_1_STOP (0x00)
#define Cy_1_5_STOP (0x04)
#define Cy_2_STOP (0x08)
#define Cy_5_BITS (0x00)
#define Cy_6_BITS (0x01)
#define Cy_7_BITS (0x02)
#define Cy_8_BITS (0x03)
#define CyCOR2 (0x09*2)
#define CyIXM (0x80)
#define CyTxIBE (0x40)
#define CyETC (0x20)
#define CyAUTO_TXFL (0x60)
#define CyLLM (0x10)
#define CyRLM (0x08)
#define CyRtsAO (0x04)
#define CyCtsAE (0x02)
#define CyDsrAE (0x01)
#define CyCOR3 (0x0A*2)
#define CySPL_CH_DRANGE (0x80) /* special character detect range */
#define CySPL_CH_DET1 (0x40) /* enable special character detection
on SCHR4-SCHR3 */
#define CyFL_CTRL_TRNSP (0x20) /* Flow Control Transparency */
#define CySPL_CH_DET2 (0x10) /* Enable special character detection
on SCHR2-SCHR1 */
#define CyREC_FIFO (0x0F) /* Receive FIFO threshold */
#define CyCOR4 (0x1E*2)
#define CyCOR5 (0x1F*2)
#define CyCCSR (0x0B*2)
#define CyRxEN (0x80)
#define CyRxFloff (0x40)
#define CyRxFlon (0x20)
#define CyTxEN (0x08)
#define CyTxFloff (0x04)
#define CyTxFlon (0x02)
#define CyRDCR (0x0E*2)
#define CySCHR1 (0x1A*2)
#define CySCHR2 (0x1B*2)
#define CySCHR3 (0x1C*2)
#define CySCHR4 (0x1D*2)
#define CySCRL (0x22*2)
#define CySCRH (0x23*2)
#define CyLNC (0x24*2)
#define CyMCOR1 (0x15*2)
#define CyMCOR2 (0x16*2)
#define CyRTPR (0x21*2)
#define CyMSVR1 (0x6C*2)
#define CyMSVR2 (0x6D*2)
#define CyANY_DELTA (0xF0)
#define CyDSR (0x80)
#define CyCTS (0x40)
#define CyRI (0x20)
#define CyDCD (0x10)
#define CyDTR (0x02)
#define CyRTS (0x01)
#define CyPVSR (0x6F*2)
#define CyRBPR (0x78*2)
#define CyRCOR (0x7C*2)
#define CyTBPR (0x72*2)
#define CyTCOR (0x76*2)
/* Custom Registers */
#define CyPLX_VER (0x3400)
#define PLX_9050 0x0b
#define PLX_9060 0x0c
#define PLX_9080 0x0d
/***************************************************************************/
#endif /* _LINUX_CYCLADES_H */
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