/* 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_old_time_t in_use; /* Time device has been in use (secs) */ __kernel_old_time_t recv_idle; /* Time since last char received (secs) */ __kernel_old_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 */