/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* $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 <linux/types.h>
struct cyclades_monitor {
unsigned long int_count;
unsigned long char_count;
unsigned long char_max;
unsigned long char_last;
};
/*
* These stats all reflect activity since the device was last initialized.
* (i.e., since the port was opened with no other processes already having it
* open)
*/
struct cyclades_idle_stats {
__kernel_time_t in_use; /* Time device has been in use (secs) */
__kernel_time_t recv_idle; /* Time since last char received (secs) */
__kernel_time_t xmit_idle; /* Time since last char transmitted (secs) */
unsigned long recv_bytes; /* Bytes received */
unsigned long xmit_bytes; /* Bytes transmitted */
unsigned long overruns; /* Input overruns */
unsigned long frame_errs; /* Input framing errors */
unsigned long parity_errs; /* Input parity errors */
};
#define CYCLADES_MAGIC 0x4359
#define CYGETMON 0x435901
#define CYGETTHRESH 0x435902
#define CYSETTHRESH 0x435903
#define CYGETDEFTHRESH 0x435904
#define CYSETDEFTHRESH 0x435905
#define CYGETTIMEOUT 0x435906
#define CYSETTIMEOUT 0x435907
#define CYGETDEFTIMEOUT 0x435908
#define CYSETDEFTIMEOUT 0x435909
#define CYSETRFLOW 0x43590a
#define CYGETRFLOW 0x43590b
#define CYSETRTSDTR_INV 0x43590c
#define CYGETRTSDTR_INV 0x43590d
#define CYZSETPOLLCYCLE 0x43590e
#define CYZGETPOLLCYCLE 0x43590f
#define CYGETCD1400VER 0x435910
#define CYSETWAIT 0x435912
#define CYGETWAIT 0x435913
/*************** CYCLOM-Z ADDITIONS ***************/
#define CZIOC ('M' << 8)
#define CZ_NBOARDS (CZIOC|0xfa)
#define CZ_BOOT_START (CZIOC|0xfb)
#define CZ_BOOT_DATA (CZIOC|0xfc)
#define CZ_BOOT_END (CZIOC|0xfd)
#define CZ_TEST (CZIOC|0xfe)
#define CZ_DEF_POLL (HZ/25)
#define MAX_BOARD 4 /* Max number of boards */
#define MAX_DEV 256 /* Max number of ports total */
#define CYZ_MAX_SPEED 921600
#define CYZ_FIFO_SIZE 16
#define CYZ_BOOT_NWORDS 0x100
struct CYZ_BOOT_CTRL {
unsigned short nboard;
int status[MAX_BOARD];
int nchannel[MAX_BOARD];
int fw_rev[MAX_BOARD];
unsigned long offset;
unsigned long data[CYZ_BOOT_NWORDS];
};
#ifndef DP_WINDOW_SIZE
/*
* Memory Window Sizes
*/
#define DP_WINDOW_SIZE (0x00080000) /* window size 512 Kb */
#define ZE_DP_WINDOW_SIZE (0x00100000) /* window size 1 Mb (Ze and
8Zo V.2 */
#define CTRL_WINDOW_SIZE (0x00000080) /* runtime regs 128 bytes */
/*
* CUSTOM_REG - Cyclom-Z/PCI Custom Registers Set. The driver
* normally will access only interested on the fpga_id, fpga_version,
* start_cpu and stop_cpu.
*/
struct CUSTOM_REG {
__u32 fpga_id; /* FPGA Identification Register */
__u32 fpga_version; /* FPGA Version Number Register */
__u32 cpu_start; /* CPU start Register (write) */
__u32 cpu_stop; /* CPU stop Register (write) */
__u32 misc_reg; /* Miscellaneous Register */
__u32 idt_mode; /* IDT mode Register */
__u32 uart_irq_status; /* UART IRQ status Register */
__u32 clear_timer0_irq; /* Clear timer interrupt Register */
__u32 clear_timer1_irq; /* Clear timer interrupt Register */
__u32 clear_timer2_irq; /* Clear timer interrupt Register */
__u32 test_register; /* Test Register */
__u32 test_count; /* Test Count Register */
__u32 timer_select; /* Timer select register */
__u32 pr_uart_irq_status; /* Prioritized UART IRQ stat Reg */
__u32 ram_wait_state; /* RAM wait-state Register */
__u32 uart_wait_state; /* UART wait-state Register */
__u32 timer_wait_state; /* timer wait-state Register */
__u32 ack_wait_state; /* ACK wait State Register */
};
/*
* RUNTIME_9060 - PLX PCI9060ES local configuration and shared runtime
* registers. This structure can be used to access the 9060 registers
* (memory mapped).
*/
struct RUNTIME_9060 {
__u32 loc_addr_range; /* 00h - Local Address Range */
__u32 loc_addr_base; /* 04h - Local Address Base */
__u32 loc_arbitr; /* 08h - Local Arbitration */
__u32 endian_descr; /* 0Ch - Big/Little Endian Descriptor */
__u32 loc_rom_range; /* 10h - Local ROM Range */
__u32 loc_rom_base; /* 14h - Local ROM Base */
__u32 loc_bus_descr; /* 18h - Local Bus descriptor */
__u32 loc_range_mst; /* 1Ch - Local Range for Master to PCI */
__u32 loc_base_mst; /* 20h - Local Base for Master PCI */
__u32 loc_range_io; /* 24h - Local Range for Master IO */
__u32 pci_base_mst; /* 28h - PCI Base for Master PCI */
__u32 pci_conf_io; /* 2Ch - PCI configuration for Master IO */
__u32 filler1; /* 30h */
__u32 filler2; /* 34h */
__u32 filler3; /* 38h */
__u32 filler4; /* 3Ch */
__u32 mail_box_0; /* 40h - Mail Box 0 */
__u32 mail_box_1; /* 44h - Mail Box 1 */
__u32 mail_box_2; /* 48h - Mail Box 2 */
__u32 mail_box_3; /* 4Ch - Mail Box 3 */
__u32 filler5; /* 50h */
__u32 filler6; /* 54h */
__u32 filler7; /* 58h */
__u32 filler8; /* 5Ch */
__u32 pci_doorbell; /* 60h - PCI to Local Doorbell */
__u32 loc_doorbell; /* 64h - Local to PCI Doorbell */
__u32 intr_ctrl_stat; /* 68h - Interrupt Control/Status */
__u32 init_ctrl; /* 6Ch - EEPROM control, Init Control, etc */
};
/* Values for the Local Base Address re-map register */
#define WIN_RAM 0x00000001L /* set the sliding window to RAM */
#define WIN_CREG 0x14000001L /* set the window to custom Registers */
/* Values timer select registers */
#define TIMER_BY_1M 0x00 /* clock divided by 1M */
#define TIMER_BY_256K 0x01 /* clock divided by 256k */
#define TIMER_BY_128K 0x02 /* clock divided by 128k */
#define TIMER_BY_32K 0x03 /* clock divided by 32k */
/****************** ****************** *******************/
#endif
#ifndef ZFIRM_ID
/* #include "zfwint.h" */
/****************** ****************** *******************/
/*
* This file contains the definitions for interfacing with the
* Cyclom-Z ZFIRM Firmware.
*/
/* General Constant definitions */
#define MAX_CHAN 64 /* max number of channels per board */
/* firmware id structure (set after boot) */
#define ID_ADDRESS 0x00000180L /* signature/pointer address */
#define ZFIRM_ID 0x5557465AL /* ZFIRM/U signature */
#define ZFIRM_HLT 0x59505B5CL /* ZFIRM needs external power supply */
#define ZFIRM_RST 0x56040674L /* RST signal (due to FW reset) */
#define ZF_TINACT_DEF 1000 /* default inactivity timeout
(1000 ms) */
#define ZF_TINACT ZF_TINACT_DEF
struct FIRM_ID {
__u32 signature; /* ZFIRM/U signature */
__u32 zfwctrl_addr; /* pointer to ZFW_CTRL structure */
};
/* Op. System id */
#define C_OS_LINUX 0x00000030 /* generic Linux system */
/* channel op_mode */
#define C_CH_DISABLE 0x00000000 /* channel is disabled */
#define C_CH_TXENABLE 0x00000001 /* channel Tx enabled */
#define C_CH_RXENABLE 0x00000002 /* channel Rx enabled */
#define C_CH_ENABLE 0x00000003 /* channel Tx/Rx enabled */
#define C_CH_LOOPBACK 0x00000004 /* Loopback mode */
/* comm_parity - parity */
#define C_PR_NONE 0x00000000 /* None */
#define C_PR_ODD 0x00000001 /* Odd */
#define C_PR_EVEN 0x00000002 /* Even */
#define C_PR_MARK 0x00000004 /* Mark */
#define C_PR_SPACE 0x00000008 /* Space */
#define C_PR_PARITY 0x000000ff
#define C_PR_DISCARD 0x00000100 /* discard char with frame/par error */
#define C_PR_IGNORE 0x00000200 /* ignore frame/par error */
/* comm_data_l - data length and stop bits */
#define C_DL_CS5 0x00000001
#define C_DL_CS6 0x00000002
#define C_DL_CS7 0x00000004
#define C_DL_CS8 0x00000008
#define C_DL_CS 0x0000000f
#define C_DL_1STOP 0x00000010
#define C_DL_15STOP 0x00000020
#define C_DL_2STOP 0x00000040
#define C_DL_STOP 0x000000f0
/* interrupt enabling/status */
#define C_IN_DISABLE 0x00000000 /* zero, disable interrupts */
#define C_IN_TXBEMPTY 0x00000001 /* tx buffer empty */
#define C_IN_TXLOWWM 0x00000002 /* tx buffer below LWM */
#define C_IN_RXHIWM 0x00000010 /* rx buffer above HWM */
#define C_IN_RXNNDT 0x00000020 /* rx no new data timeout */
#define C_IN_MDCD 0x00000100 /* modem DCD change */
#define C_IN_MDSR 0x00000200 /* modem DSR change */
#define C_IN_MRI 0x00000400 /* modem RI change */
#define C_IN_MCTS 0x00000800 /* modem CTS change */
#define C_IN_RXBRK 0x00001000 /* Break received */
#define C_IN_PR_ERROR 0x00002000 /* parity error */
#define C_IN_FR_ERROR 0x00004000 /* frame error */
#define C_IN_OVR_ERROR 0x00008000 /* overrun error */
#define C_IN_RXOFL 0x00010000 /* RX buffer overflow */
#define C_IN_IOCTLW 0x00020000 /* I/O control w/ wait */
#define C_IN_MRTS 0x00040000 /* modem RTS drop */
#define C_IN_ICHAR 0x00080000
/* flow control */
#define C_FL_OXX 0x00000001 /* output Xon/Xoff flow control */
#define C_FL_IXX 0x00000002 /* output Xon/Xoff flow control */
#define C_FL_OIXANY 0x00000004 /* output Xon/Xoff (any xon) */
#define C_FL_SWFLOW 0x0000000f
/* flow status */
#define C_FS_TXIDLE 0x00000000 /* no Tx data in the buffer or UART */
#define C_FS_SENDING 0x00000001 /* UART is sending data */
#define C_FS_SWFLOW 0x00000002 /* Tx is stopped by received Xoff */
/* rs_control/rs_status RS-232 signals */
#define C_RS_PARAM 0x80000000 /* Indicates presence of parameter in
IOCTLM command */
#define C_RS_RTS 0x00000001 /* RTS */
#define C_RS_DTR 0x00000004 /* DTR */
#define C_RS_DCD 0x00000100 /* CD */
#define C_RS_DSR 0x00000200 /* DSR */
#define C_RS_RI 0x00000400 /* RI */
#define C_RS_CTS 0x00000800 /* CTS */
/* commands Host <-> Board */
#define C_CM_RESET 0x01 /* reset/flush buffers */
#define C_CM_IOCTL 0x02 /* re-read CH_CTRL */
#define C_CM_IOCTLW 0x03 /* re-read CH_CTRL, intr when done */
#define C_CM_IOCTLM 0x04 /* RS-232 outputs change */
#define C_CM_SENDXOFF 0x10 /* send Xoff */
#define C_CM_SENDXON 0x11 /* send Xon */
#define C_CM_CLFLOW 0x12 /* Clear flow control (resume) */
#define C_CM_SENDBRK 0x41 /* send break */
#define C_CM_INTBACK 0x42 /* Interrupt back */
#define C_CM_SET_BREAK 0x43 /* Tx break on */
#define C_CM_CLR_BREAK 0x44 /* Tx break off */
#define C_CM_CMD_DONE 0x45 /* Previous command done */
#define C_CM_INTBACK2 0x46 /* Alternate Interrupt back */
#define C_CM_TINACT 0x51 /* set inactivity detection */
#define C_CM_IRQ_ENBL 0x52 /* enable generation of interrupts */
#define C_CM_IRQ_DSBL 0x53 /* disable generation of interrupts */
#define C_CM_ACK_ENBL 0x54 /* enable acknowledged interrupt mode */
#define C_CM_ACK_DSBL 0x55 /* disable acknowledged intr mode */
#define C_CM_FLUSH_RX 0x56 /* flushes Rx buffer */
#define C_CM_FLUSH_TX 0x57 /* flushes Tx buffer */
#define C_CM_Q_ENABLE 0x58 /* enables queue access from the
driver */
#define C_CM_Q_DISABLE 0x59 /* disables queue access from the
driver */
#define C_CM_TXBEMPTY 0x60 /* Tx buffer is empty */
#define C_CM_TXLOWWM 0x61 /* Tx buffer low water mark */
#define C_CM_RXHIWM 0x62 /* Rx buffer high water mark */
#define C_CM_RXNNDT 0x63 /* rx no new data timeout */
#define C_CM_TXFEMPTY 0x64
#define C_CM_ICHAR 0x65
#define C_CM_MDCD 0x70 /* modem DCD change */
#define C_CM_MDSR 0x71 /* modem DSR change */
#define C_CM_MRI 0x72 /* modem RI change */
#define C_CM_MCTS 0x73 /* modem CTS change */
#define C_CM_MRTS 0x74 /* modem RTS drop */
#define C_CM_RXBRK 0x84 /* Break received */
#define C_CM_PR_ERROR 0x85 /* Parity error */
#define C_CM_FR_ERROR 0x86 /* Frame error */
#define C_CM_OVR_ERROR 0x87 /* Overrun error */
#define C_CM_RXOFL 0x88 /* RX buffer overflow */
#define C_CM_CMDERROR 0x90 /* command error */
#define C_CM_FATAL 0x91 /* fatal error */
#define C_CM_HW_RESET 0x92 /* reset board */
/*
* CH_CTRL - This per port structure contains all parameters
* that control an specific port. It can be seen as the
* configuration registers of a "super-serial-controller".
*/
struct CH_CTRL {
__u32 op_mode; /* operation mode */
__u32 intr_enable; /* interrupt masking */
__u32 sw_flow; /* SW flow control */
__u32 flow_status; /* output flow status */
__u32 comm_baud; /* baud rate - numerically specified */
__u32 comm_parity; /* parity */
__u32 comm_data_l; /* data length/stop */
__u32 comm_flags; /* other flags */
__u32 hw_flow; /* HW flow control */
__u32 rs_control; /* RS-232 outputs */
__u32 rs_status; /* RS-232 inputs */
__u32 flow_xon; /* xon char */
__u32 flow_xoff; /* xoff char */
__u32 hw_overflow; /* hw overflow counter */
__u32 sw_overflow; /* sw overflow counter */
__u32 comm_error; /* frame/parity error counter */
__u32 ichar;
__u32 filler[7];
};
/*
* BUF_CTRL - This per channel structure contains
* all Tx and Rx buffer control for a given channel.
*/
struct BUF_CTRL {
__u32 flag_dma; /* buffers are in Host memory */
__u32 tx_bufaddr; /* address of the tx buffer */
__u32 tx_bufsize; /* tx buffer size */
__u32 tx_threshold; /* tx low water mark */
__u32 tx_get; /* tail index tx buf */
__u32 tx_put; /* head index tx buf */
__u32 rx_bufaddr; /* address of the rx buffer */
__u32 rx_bufsize; /* rx buffer size */
__u32 rx_threshold; /* rx high water mark */
__u32 rx_get; /* tail index rx buf */
__u32 rx_put; /* head index rx buf */
__u32 filler[5]; /* filler to align structures */
};
/*
* BOARD_CTRL - This per board structure contains all global
* control fields related to the board.
*/
struct BOARD_CTRL {
/* static info provided by the on-board CPU */
__u32 n_channel; /* number of channels */
__u32 fw_version; /* firmware version */
/* static info provided by the driver */
__u32 op_system; /* op_system id */
__u32 dr_version; /* driver version */
/* board control area */
__u32 inactivity; /* inactivity control */
/* host to FW commands */
__u32 hcmd_channel; /* channel number */
__u32 hcmd_param; /* pointer to parameters */
/* FW to Host commands */
__u32 fwcmd_channel; /* channel number */
__u32 fwcmd_param; /* pointer to parameters */
__u32 zf_int_queue_addr; /* offset for INT_QUEUE structure */
/* filler so the structures are aligned */
__u32 filler[6];
};
/* Host Interrupt Queue */
#define QUEUE_SIZE (10*MAX_CHAN)
struct INT_QUEUE {
unsigned char intr_code[QUEUE_SIZE];
unsigned long channel[QUEUE_SIZE];
unsigned long param[QUEUE_SIZE];
unsigned long put;
unsigned long get;
};
/*
* ZFW_CTRL - This is the data structure that includes all other
* data structures used by the Firmware.
*/
struct ZFW_CTRL {
struct BOARD_CTRL board_ctrl;
struct CH_CTRL ch_ctrl[MAX_CHAN];
struct BUF_CTRL buf_ctrl[MAX_CHAN];
};
/****************** ****************** *******************/
#endif
#endif /* _LINUX_CYCLADES_H */
