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495 lines
17 KiB
C
495 lines
17 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
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* linux/include/linux/cyclades.h
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*
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* This file was initially written by
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* Randolph Bentson <bentson@grieg.seaslug.org> and is maintained by
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* Ivan Passos <ivan@cyclades.com>.
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*
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* This file contains the general definitions for the cyclades.c driver
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*$Log: cyclades.h,v $
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*Revision 3.1 2002/01/29 11:36:16 henrique
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*added throttle field on struct cyclades_port to indicate whether the
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*port is throttled or not
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*
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*Revision 3.1 2000/04/19 18:52:52 ivan
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*converted address fields to unsigned long and added fields for physical
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*addresses on cyclades_card structure;
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*
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*Revision 3.0 1998/11/02 14:20:59 ivan
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*added nports field on cyclades_card structure;
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*
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*Revision 2.5 1998/08/03 16:57:01 ivan
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*added cyclades_idle_stats structure;
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*
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*Revision 2.4 1998/06/01 12:09:53 ivan
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*removed closing_wait2 from cyclades_port structure;
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*
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*Revision 2.3 1998/03/16 18:01:12 ivan
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*changes in the cyclades_port structure to get it closer to the
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*standard serial port structure;
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*added constants for new ioctls;
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*
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*Revision 2.2 1998/02/17 16:50:00 ivan
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*changes in the cyclades_port structure (addition of shutdown_wait and
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*chip_rev variables);
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*added constants for new ioctls and for CD1400 rev. numbers.
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*
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*Revision 2.1 1997/10/24 16:03:00 ivan
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*added rflow (which allows enabling the CD1400 special flow control
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*feature) and rtsdtr_inv (which allows DTR/RTS pin inversion) to
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*cyclades_port structure;
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*added Alpha support
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*
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*Revision 2.0 1997/06/30 10:30:00 ivan
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*added some new doorbell command constants related to IOCTLW and
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*UART error signaling
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*
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*Revision 1.8 1997/06/03 15:30:00 ivan
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*added constant ZFIRM_HLT
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*added constant CyPCI_Ze_win ( = 2 * Cy_PCI_Zwin)
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*
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*Revision 1.7 1997/03/26 10:30:00 daniel
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*new entries at the end of cyclades_port struct to reallocate
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*variables illegally allocated within card memory.
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*
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*Revision 1.6 1996/09/09 18:35:30 bentson
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*fold in changes for Cyclom-Z -- including structures for
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*communicating with board as well modest changes to original
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*structures to support new features.
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*
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*Revision 1.5 1995/11/13 21:13:31 bentson
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*changes suggested by Michael Chastain <mec@duracef.shout.net>
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*to support use of this file in non-kernel applications
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*
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*
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*/
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#ifndef _LINUX_CYCLADES_H
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#define _LINUX_CYCLADES_H
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#include <linux/types.h>
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struct cyclades_monitor {
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unsigned long int_count;
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unsigned long char_count;
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unsigned long char_max;
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unsigned long char_last;
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};
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/*
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* These stats all reflect activity since the device was last initialized.
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* (i.e., since the port was opened with no other processes already having it
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* open)
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*/
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struct cyclades_idle_stats {
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__kernel_time_t in_use; /* Time device has been in use (secs) */
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__kernel_time_t recv_idle; /* Time since last char received (secs) */
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__kernel_time_t xmit_idle; /* Time since last char transmitted (secs) */
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unsigned long recv_bytes; /* Bytes received */
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unsigned long xmit_bytes; /* Bytes transmitted */
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unsigned long overruns; /* Input overruns */
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unsigned long frame_errs; /* Input framing errors */
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unsigned long parity_errs; /* Input parity errors */
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};
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#define CYCLADES_MAGIC 0x4359
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#define CYGETMON 0x435901
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#define CYGETTHRESH 0x435902
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#define CYSETTHRESH 0x435903
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#define CYGETDEFTHRESH 0x435904
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#define CYSETDEFTHRESH 0x435905
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#define CYGETTIMEOUT 0x435906
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#define CYSETTIMEOUT 0x435907
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#define CYGETDEFTIMEOUT 0x435908
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#define CYSETDEFTIMEOUT 0x435909
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#define CYSETRFLOW 0x43590a
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#define CYGETRFLOW 0x43590b
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#define CYSETRTSDTR_INV 0x43590c
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#define CYGETRTSDTR_INV 0x43590d
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#define CYZSETPOLLCYCLE 0x43590e
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#define CYZGETPOLLCYCLE 0x43590f
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#define CYGETCD1400VER 0x435910
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#define CYSETWAIT 0x435912
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#define CYGETWAIT 0x435913
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/*************** CYCLOM-Z ADDITIONS ***************/
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#define CZIOC ('M' << 8)
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#define CZ_NBOARDS (CZIOC|0xfa)
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#define CZ_BOOT_START (CZIOC|0xfb)
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#define CZ_BOOT_DATA (CZIOC|0xfc)
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#define CZ_BOOT_END (CZIOC|0xfd)
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#define CZ_TEST (CZIOC|0xfe)
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#define CZ_DEF_POLL (HZ/25)
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#define MAX_BOARD 4 /* Max number of boards */
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#define MAX_DEV 256 /* Max number of ports total */
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#define CYZ_MAX_SPEED 921600
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#define CYZ_FIFO_SIZE 16
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#define CYZ_BOOT_NWORDS 0x100
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struct CYZ_BOOT_CTRL {
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unsigned short nboard;
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int status[MAX_BOARD];
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int nchannel[MAX_BOARD];
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int fw_rev[MAX_BOARD];
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unsigned long offset;
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unsigned long data[CYZ_BOOT_NWORDS];
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};
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#ifndef DP_WINDOW_SIZE
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/*
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* Memory Window Sizes
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*/
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#define DP_WINDOW_SIZE (0x00080000) /* window size 512 Kb */
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#define ZE_DP_WINDOW_SIZE (0x00100000) /* window size 1 Mb (Ze and
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8Zo V.2 */
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#define CTRL_WINDOW_SIZE (0x00000080) /* runtime regs 128 bytes */
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/*
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* CUSTOM_REG - Cyclom-Z/PCI Custom Registers Set. The driver
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* normally will access only interested on the fpga_id, fpga_version,
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* start_cpu and stop_cpu.
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*/
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struct CUSTOM_REG {
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__u32 fpga_id; /* FPGA Identification Register */
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__u32 fpga_version; /* FPGA Version Number Register */
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__u32 cpu_start; /* CPU start Register (write) */
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__u32 cpu_stop; /* CPU stop Register (write) */
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__u32 misc_reg; /* Miscellaneous Register */
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__u32 idt_mode; /* IDT mode Register */
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__u32 uart_irq_status; /* UART IRQ status Register */
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__u32 clear_timer0_irq; /* Clear timer interrupt Register */
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__u32 clear_timer1_irq; /* Clear timer interrupt Register */
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__u32 clear_timer2_irq; /* Clear timer interrupt Register */
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__u32 test_register; /* Test Register */
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__u32 test_count; /* Test Count Register */
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__u32 timer_select; /* Timer select register */
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__u32 pr_uart_irq_status; /* Prioritized UART IRQ stat Reg */
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__u32 ram_wait_state; /* RAM wait-state Register */
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__u32 uart_wait_state; /* UART wait-state Register */
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__u32 timer_wait_state; /* timer wait-state Register */
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__u32 ack_wait_state; /* ACK wait State Register */
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};
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/*
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* RUNTIME_9060 - PLX PCI9060ES local configuration and shared runtime
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* registers. This structure can be used to access the 9060 registers
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* (memory mapped).
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*/
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struct RUNTIME_9060 {
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__u32 loc_addr_range; /* 00h - Local Address Range */
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__u32 loc_addr_base; /* 04h - Local Address Base */
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__u32 loc_arbitr; /* 08h - Local Arbitration */
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__u32 endian_descr; /* 0Ch - Big/Little Endian Descriptor */
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__u32 loc_rom_range; /* 10h - Local ROM Range */
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__u32 loc_rom_base; /* 14h - Local ROM Base */
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__u32 loc_bus_descr; /* 18h - Local Bus descriptor */
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__u32 loc_range_mst; /* 1Ch - Local Range for Master to PCI */
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__u32 loc_base_mst; /* 20h - Local Base for Master PCI */
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__u32 loc_range_io; /* 24h - Local Range for Master IO */
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__u32 pci_base_mst; /* 28h - PCI Base for Master PCI */
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__u32 pci_conf_io; /* 2Ch - PCI configuration for Master IO */
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__u32 filler1; /* 30h */
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__u32 filler2; /* 34h */
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__u32 filler3; /* 38h */
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__u32 filler4; /* 3Ch */
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__u32 mail_box_0; /* 40h - Mail Box 0 */
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__u32 mail_box_1; /* 44h - Mail Box 1 */
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__u32 mail_box_2; /* 48h - Mail Box 2 */
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__u32 mail_box_3; /* 4Ch - Mail Box 3 */
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__u32 filler5; /* 50h */
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__u32 filler6; /* 54h */
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__u32 filler7; /* 58h */
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__u32 filler8; /* 5Ch */
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__u32 pci_doorbell; /* 60h - PCI to Local Doorbell */
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__u32 loc_doorbell; /* 64h - Local to PCI Doorbell */
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__u32 intr_ctrl_stat; /* 68h - Interrupt Control/Status */
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__u32 init_ctrl; /* 6Ch - EEPROM control, Init Control, etc */
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};
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/* Values for the Local Base Address re-map register */
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#define WIN_RAM 0x00000001L /* set the sliding window to RAM */
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#define WIN_CREG 0x14000001L /* set the window to custom Registers */
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/* Values timer select registers */
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#define TIMER_BY_1M 0x00 /* clock divided by 1M */
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#define TIMER_BY_256K 0x01 /* clock divided by 256k */
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#define TIMER_BY_128K 0x02 /* clock divided by 128k */
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#define TIMER_BY_32K 0x03 /* clock divided by 32k */
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/****************** ****************** *******************/
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#endif
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#ifndef ZFIRM_ID
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/* #include "zfwint.h" */
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/****************** ****************** *******************/
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/*
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* This file contains the definitions for interfacing with the
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* Cyclom-Z ZFIRM Firmware.
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*/
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/* General Constant definitions */
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#define MAX_CHAN 64 /* max number of channels per board */
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/* firmware id structure (set after boot) */
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#define ID_ADDRESS 0x00000180L /* signature/pointer address */
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#define ZFIRM_ID 0x5557465AL /* ZFIRM/U signature */
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#define ZFIRM_HLT 0x59505B5CL /* ZFIRM needs external power supply */
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#define ZFIRM_RST 0x56040674L /* RST signal (due to FW reset) */
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#define ZF_TINACT_DEF 1000 /* default inactivity timeout
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(1000 ms) */
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#define ZF_TINACT ZF_TINACT_DEF
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struct FIRM_ID {
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__u32 signature; /* ZFIRM/U signature */
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__u32 zfwctrl_addr; /* pointer to ZFW_CTRL structure */
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};
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/* Op. System id */
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#define C_OS_LINUX 0x00000030 /* generic Linux system */
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/* channel op_mode */
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#define C_CH_DISABLE 0x00000000 /* channel is disabled */
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#define C_CH_TXENABLE 0x00000001 /* channel Tx enabled */
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#define C_CH_RXENABLE 0x00000002 /* channel Rx enabled */
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#define C_CH_ENABLE 0x00000003 /* channel Tx/Rx enabled */
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#define C_CH_LOOPBACK 0x00000004 /* Loopback mode */
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/* comm_parity - parity */
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#define C_PR_NONE 0x00000000 /* None */
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#define C_PR_ODD 0x00000001 /* Odd */
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#define C_PR_EVEN 0x00000002 /* Even */
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#define C_PR_MARK 0x00000004 /* Mark */
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#define C_PR_SPACE 0x00000008 /* Space */
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#define C_PR_PARITY 0x000000ff
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#define C_PR_DISCARD 0x00000100 /* discard char with frame/par error */
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#define C_PR_IGNORE 0x00000200 /* ignore frame/par error */
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/* comm_data_l - data length and stop bits */
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#define C_DL_CS5 0x00000001
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#define C_DL_CS6 0x00000002
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#define C_DL_CS7 0x00000004
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#define C_DL_CS8 0x00000008
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#define C_DL_CS 0x0000000f
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#define C_DL_1STOP 0x00000010
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#define C_DL_15STOP 0x00000020
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#define C_DL_2STOP 0x00000040
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#define C_DL_STOP 0x000000f0
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/* interrupt enabling/status */
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#define C_IN_DISABLE 0x00000000 /* zero, disable interrupts */
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#define C_IN_TXBEMPTY 0x00000001 /* tx buffer empty */
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#define C_IN_TXLOWWM 0x00000002 /* tx buffer below LWM */
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#define C_IN_RXHIWM 0x00000010 /* rx buffer above HWM */
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#define C_IN_RXNNDT 0x00000020 /* rx no new data timeout */
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#define C_IN_MDCD 0x00000100 /* modem DCD change */
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#define C_IN_MDSR 0x00000200 /* modem DSR change */
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#define C_IN_MRI 0x00000400 /* modem RI change */
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#define C_IN_MCTS 0x00000800 /* modem CTS change */
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#define C_IN_RXBRK 0x00001000 /* Break received */
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#define C_IN_PR_ERROR 0x00002000 /* parity error */
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#define C_IN_FR_ERROR 0x00004000 /* frame error */
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#define C_IN_OVR_ERROR 0x00008000 /* overrun error */
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#define C_IN_RXOFL 0x00010000 /* RX buffer overflow */
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#define C_IN_IOCTLW 0x00020000 /* I/O control w/ wait */
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#define C_IN_MRTS 0x00040000 /* modem RTS drop */
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#define C_IN_ICHAR 0x00080000
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/* flow control */
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#define C_FL_OXX 0x00000001 /* output Xon/Xoff flow control */
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#define C_FL_IXX 0x00000002 /* output Xon/Xoff flow control */
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#define C_FL_OIXANY 0x00000004 /* output Xon/Xoff (any xon) */
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#define C_FL_SWFLOW 0x0000000f
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/* flow status */
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#define C_FS_TXIDLE 0x00000000 /* no Tx data in the buffer or UART */
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#define C_FS_SENDING 0x00000001 /* UART is sending data */
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#define C_FS_SWFLOW 0x00000002 /* Tx is stopped by received Xoff */
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/* rs_control/rs_status RS-232 signals */
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#define C_RS_PARAM 0x80000000 /* Indicates presence of parameter in
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IOCTLM command */
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#define C_RS_RTS 0x00000001 /* RTS */
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#define C_RS_DTR 0x00000004 /* DTR */
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#define C_RS_DCD 0x00000100 /* CD */
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#define C_RS_DSR 0x00000200 /* DSR */
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#define C_RS_RI 0x00000400 /* RI */
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#define C_RS_CTS 0x00000800 /* CTS */
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/* commands Host <-> Board */
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#define C_CM_RESET 0x01 /* reset/flush buffers */
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#define C_CM_IOCTL 0x02 /* re-read CH_CTRL */
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#define C_CM_IOCTLW 0x03 /* re-read CH_CTRL, intr when done */
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#define C_CM_IOCTLM 0x04 /* RS-232 outputs change */
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#define C_CM_SENDXOFF 0x10 /* send Xoff */
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#define C_CM_SENDXON 0x11 /* send Xon */
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#define C_CM_CLFLOW 0x12 /* Clear flow control (resume) */
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#define C_CM_SENDBRK 0x41 /* send break */
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#define C_CM_INTBACK 0x42 /* Interrupt back */
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#define C_CM_SET_BREAK 0x43 /* Tx break on */
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#define C_CM_CLR_BREAK 0x44 /* Tx break off */
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#define C_CM_CMD_DONE 0x45 /* Previous command done */
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#define C_CM_INTBACK2 0x46 /* Alternate Interrupt back */
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#define C_CM_TINACT 0x51 /* set inactivity detection */
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#define C_CM_IRQ_ENBL 0x52 /* enable generation of interrupts */
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#define C_CM_IRQ_DSBL 0x53 /* disable generation of interrupts */
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#define C_CM_ACK_ENBL 0x54 /* enable acknowledged interrupt mode */
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#define C_CM_ACK_DSBL 0x55 /* disable acknowledged intr mode */
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#define C_CM_FLUSH_RX 0x56 /* flushes Rx buffer */
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#define C_CM_FLUSH_TX 0x57 /* flushes Tx buffer */
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#define C_CM_Q_ENABLE 0x58 /* enables queue access from the
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driver */
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#define C_CM_Q_DISABLE 0x59 /* disables queue access from the
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driver */
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#define C_CM_TXBEMPTY 0x60 /* Tx buffer is empty */
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#define C_CM_TXLOWWM 0x61 /* Tx buffer low water mark */
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#define C_CM_RXHIWM 0x62 /* Rx buffer high water mark */
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#define C_CM_RXNNDT 0x63 /* rx no new data timeout */
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#define C_CM_TXFEMPTY 0x64
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#define C_CM_ICHAR 0x65
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#define C_CM_MDCD 0x70 /* modem DCD change */
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#define C_CM_MDSR 0x71 /* modem DSR change */
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#define C_CM_MRI 0x72 /* modem RI change */
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#define C_CM_MCTS 0x73 /* modem CTS change */
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#define C_CM_MRTS 0x74 /* modem RTS drop */
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#define C_CM_RXBRK 0x84 /* Break received */
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#define C_CM_PR_ERROR 0x85 /* Parity error */
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#define C_CM_FR_ERROR 0x86 /* Frame error */
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#define C_CM_OVR_ERROR 0x87 /* Overrun error */
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#define C_CM_RXOFL 0x88 /* RX buffer overflow */
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#define C_CM_CMDERROR 0x90 /* command error */
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#define C_CM_FATAL 0x91 /* fatal error */
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#define C_CM_HW_RESET 0x92 /* reset board */
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/*
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* CH_CTRL - This per port structure contains all parameters
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* that control an specific port. It can be seen as the
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* configuration registers of a "super-serial-controller".
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*/
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struct CH_CTRL {
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__u32 op_mode; /* operation mode */
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__u32 intr_enable; /* interrupt masking */
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__u32 sw_flow; /* SW flow control */
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__u32 flow_status; /* output flow status */
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__u32 comm_baud; /* baud rate - numerically specified */
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__u32 comm_parity; /* parity */
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__u32 comm_data_l; /* data length/stop */
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__u32 comm_flags; /* other flags */
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__u32 hw_flow; /* HW flow control */
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__u32 rs_control; /* RS-232 outputs */
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__u32 rs_status; /* RS-232 inputs */
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__u32 flow_xon; /* xon char */
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__u32 flow_xoff; /* xoff char */
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__u32 hw_overflow; /* hw overflow counter */
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__u32 sw_overflow; /* sw overflow counter */
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__u32 comm_error; /* frame/parity error counter */
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__u32 ichar;
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__u32 filler[7];
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};
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/*
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* BUF_CTRL - This per channel structure contains
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* all Tx and Rx buffer control for a given channel.
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*/
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struct BUF_CTRL {
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__u32 flag_dma; /* buffers are in Host memory */
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__u32 tx_bufaddr; /* address of the tx buffer */
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__u32 tx_bufsize; /* tx buffer size */
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__u32 tx_threshold; /* tx low water mark */
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__u32 tx_get; /* tail index tx buf */
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__u32 tx_put; /* head index tx buf */
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__u32 rx_bufaddr; /* address of the rx buffer */
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|
__u32 rx_bufsize; /* rx buffer size */
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|
__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 */
|