340 lines
10 KiB
C
Executable File
340 lines
10 KiB
C
Executable File
/*
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* hermes.h
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*
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* Constants, structures and prototypes needed for the low level access of
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* Prism cards. The hermes.h file was used as the basis of this file
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*
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* Adjusted to Minix by Stevens Le Blond <slblond@few.vu.nl>
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* and Michael Valkering <mjvalker@cs.vu.nl>
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*/
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/* Original copyright notices from hermes.h of the Linux kernel
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*
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* Copyright (C) 2000, David Gibson, Linuxcare Australia
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* <hermes@gibson.dropbear.id.au>
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* Portions taken from hfa384x.h, Copyright (C) 1999 AbsoluteValue Systems, Inc.
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* All Rights Reserved.
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* This file distributed under the GPL, version 2.
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*/
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#ifndef _HERMES_H
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#define _HERMES_H
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#include "../drivers.h"
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#include <net/gen/ether.h>
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#include <net/gen/eth_io.h>
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#include <net/hton.h>
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#include <stdarg.h>
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/*****************************************************************************
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* HERMES CONSTANTS *
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*****************************************************************************/
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#define HERMES_ALLOC_LEN_MIN (4)
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#define HERMES_ALLOC_LEN_MAX (2400)
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#define HERMES_LTV_LEN_MAX (34)
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#define HERMES_BAP_DATALEN_MAX (4096)
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#define HERMES_BAP_OFFSET_MAX (4096)
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#define HERMES_PORTID_MAX (7)
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#define HERMES_NUMPORTS_MAX (HERMES_PORTID_MAX+1)
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#define HERMES_PDR_LEN_MAX (260)
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#define HERMES_PDA_RECS_MAX (200)
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#define HERMES_PDA_LEN_MAX (1024)
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#define HERMES_SCANRESULT_MAX (35)
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#define HERMES_CHINFORESULT_MAX (8)
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#define HERMES_MAX_MULTICAST (16)
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#define HERMES_MAGIC (0x69ff)
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/*
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* Hermes register offsets
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*/
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#define HERMES_CMD (0x00)
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#define HERMES_PARAM0 (0x02)
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#define HERMES_PARAM1 (0x04)
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#define HERMES_PARAM2 (0x06)
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#define HERMES_STATUS (0x08)
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#define HERMES_RESP0 (0x0A)
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#define HERMES_RESP1 (0x0C)
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#define HERMES_RESP2 (0x0E)
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#define HERMES_INFOFID (0x10)
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#define HERMES_RXFID (0x20)
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#define HERMES_ALLOCFID (0x22)
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#define HERMES_TXCOMPLFID (0x24)
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#define HERMES_SELECT0 (0x18)
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#define HERMES_OFFSET0 (0x1C)
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#define HERMES_DATA0 (0x36)
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#define HERMES_SELECT1 (0x1A)
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#define HERMES_OFFSET1 (0x1E)
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#define HERMES_DATA1 (0x38)
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#define HERMES_EVSTAT (0x30)
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#define HERMES_INTEN (0x32)
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#define HERMES_EVACK (0x34)
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#define HERMES_CONTROL (0x14)
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#define HERMES_SWSUPPORT0 (0x28)
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#define HERMES_SWSUPPORT1 (0x2A)
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#define HERMES_SWSUPPORT2 (0x2C)
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#define HERMES_AUXPAGE (0x3A)
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#define HERMES_AUXOFFSET (0x3C)
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#define HERMES_AUXDATA (0x3E)
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/*
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* CMD register bitmasks
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*/
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#define HERMES_CMD_BUSY (0x8000)
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#define HERMES_CMD_AINFO (0x7f00)
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#define HERMES_CMD_MACPORT (0x0700)
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#define HERMES_CMD_RECL (0x0100)
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#define HERMES_CMD_WRITE (0x0100)
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#define HERMES_CMD_PROGMODE (0x0300)
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#define HERMES_CMD_CMDCODE (0x003f)
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/*
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* STATUS register bitmasks
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*/
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#define HERMES_STATUS_RESULT (0x7f00)
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#define HERMES_STATUS_CMDCODE (0x003f)
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/*
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* OFFSET register bitmasks
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*/
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#define HERMES_OFFSET_BUSY (0x8000)
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#define HERMES_OFFSET_ERR (0x4000)
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#define HERMES_OFFSET_DATAOFF (0x0ffe)
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/*
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* Event register bitmasks (INTEN, EVSTAT, EVACK)
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*/
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#define HERMES_EV_TICK (0x8000)
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#define HERMES_EV_WTERR (0x4000)
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#define HERMES_EV_INFDROP (0x2000)
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#define HERMES_EV_INFO (0x0080)
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#define HERMES_EV_DTIM (0x0020)
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#define HERMES_EV_CMD (0x0010)
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#define HERMES_EV_ALLOC (0x0008)
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#define HERMES_EV_TXEXC (0x0004)
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#define HERMES_EV_TX (0x0002)
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#define HERMES_EV_RX (0x0001)
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/*
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* COR reset options
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*/
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#define HERMES_PCI_COR (0x26)
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#define HERMES_PCI_COR_MASK (0x0080)
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/* It appears that the card needs quite some time to recover: */
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#define HERMES_PCI_COR_ONT (250) /* ms */
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#define HERMES_PCI_COR_OFFT (500) /* ms */
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#define HERMES_PCI_COR_BUSYT (500) /* ms */
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/*
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* Command codes
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*/
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/*--- Controller Commands --------------------------*/
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#define HERMES_CMD_INIT (0x0000)
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#define HERMES_CMD_ENABLE (0x0001)
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#define HERMES_CMD_DISABLE (0x0002)
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#define HERMES_CMD_DIAG (0x0003)
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/*--- Buffer Mgmt Commands --------------------------*/
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#define HERMES_CMD_ALLOC (0x000A)
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#define HERMES_CMD_TX (0x000B)
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#define HERMES_CMD_CLRPRST (0x0012)
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/*--- Regulate Commands --------------------------*/
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#define HERMES_CMD_NOTIFY (0x0010)
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#define HERMES_CMD_INQUIRE (0x0011)
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/*--- Configure Commands --------------------------*/
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#define HERMES_CMD_ACCESS (0x0021)
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#define HERMES_CMD_DOWNLD (0x0022)
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/*--- Debugging Commands -----------------------------*/
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#define HERMES_CMD_MONITOR (0x0038)
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#define HERMES_MONITOR_ENABLE (0x000b)
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#define HERMES_MONITOR_DISABLE (0x000f)
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/*
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* Frame structures and constants
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*/
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#define HERMES_DESCRIPTOR_OFFSET (0)
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#define HERMES_802_11_OFFSET (14)
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#define HERMES_802_3_OFFSET (14+32)
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#define HERMES_802_2_OFFSET (14+32+14)
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struct hermes_rx_descriptor
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{
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u16_t status;
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u16_t time_lefthalf;
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u16_t time_righthalf;
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u8_t silence;
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u8_t signal;
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u8_t rate;
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u8_t rxflow;
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u16_t reserved1;
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u16_t reserved2;
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};
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#define HERMES_RXSTAT_ERR (0x0003)
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#define HERMES_RXSTAT_BADCRC (0x0001)
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#define HERMES_RXSTAT_UNDECRYPTABLE (0x0002)
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#define HERMES_RXSTAT_MACPORT (0x0700)
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#define HERMES_RXSTAT_PCF (0x1000)
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#define HERMES_RXSTAT_MSGTYPE (0xE000)
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#define HERMES_RXSTAT_1042 (0x2000) /* RFC-1042 frame */
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#define HERMES_RXSTAT_TUNNEL (0x4000) /* bridge-tunnel
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* encoded frame */
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#define HERMES_RXSTAT_WMP (0x6000) /* Wavelan-II
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* Management
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* Protocol frame */
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struct hermes_tx_descriptor
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{
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u16_t status;
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u16_t reserved1;
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u16_t reserved2;
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u16_t sw_support_lefthalf;
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u16_t sw_support_righthalf;
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u8_t retry_count;
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u8_t tx_rate;
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u16_t tx_control;
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};
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#define HERMES_TXSTAT_RETRYERR (0x0001)
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#define HERMES_TXSTAT_AGEDERR (0x0002)
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#define HERMES_TXSTAT_DISCON (0x0004)
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#define HERMES_TXSTAT_FORMERR (0x0008)
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#define HERMES_TXCTRL_TX_OK (0x0002)
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#define HERMES_TXCTRL_TX_EX (0x0004)
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#define HERMES_TXCTRL_802_11 (0x0008)
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#define HERMES_TXCTRL_ALT_RTRY (0x0020)
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/* Inquiry constants and data types */
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#define HERMES_INQ_TALLIES (0xF100)
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#define HERMES_INQ_SCAN (0xF101)
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#define HERMES_INQ_LINKSTATUS (0xF200)
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/* The tallies are retrieved, but these fields are not processed until now */
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struct hermes_tallies_frame
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{
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u16_t TxUnicastFrames;
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u16_t TxMulticastFrames;
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u16_t TxFragments;
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u16_t TxUnicastOctets;
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u16_t TxMulticastOctets;
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u16_t TxDeferredTransmissions;
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u16_t TxSingleRetryFrames;
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u16_t TxMultipleRetryFrames;
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u16_t TxRetryLimitExceeded;
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u16_t TxDiscards;
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u16_t RxUnicastFrames;
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u16_t RxMulticastFrames;
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u16_t RxFragments;
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u16_t RxUnicastOctets;
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u16_t RxMulticastOctets;
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u16_t RxFCSErrors;
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u16_t RxDiscards_NoBuffer;
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u16_t TxDiscardsWrongSA;
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u16_t RxWEPUndecryptable;
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u16_t RxMsgInMsgFragments;
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u16_t RxMsgInBadMsgFragments;
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u16_t RxDiscards_WEPICVError;
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u16_t RxDiscards_WEPExcluded;
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};
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#define HERMES_LINKSTATUS_NOT_CONNECTED (0x0000)
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#define HERMES_LINKSTATUS_CONNECTED (0x0001)
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#define HERMES_LINKSTATUS_DISCONNECTED (0x0002)
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#define HERMES_LINKSTATUS_AP_CHANGE (0x0003)
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#define HERMES_LINKSTATUS_AP_OUT_OF_RANGE (0x0004)
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#define HERMES_LINKSTATUS_AP_IN_RANGE (0x0005)
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#define HERMES_LINKSTATUS_ASSOC_FAILED (0x0006)
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struct hermes_linkstatus
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{
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u16_t linkstatus; /* Link status */
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};
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/* Timeouts. These are maximum timeouts. Most often, card wil react
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* much faster */
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#define HERMES_BAP_BUSY_TIMEOUT (10000) /* In iterations of ~1us */
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#define HERMES_CMD_BUSY_TIMEOUT (100) /* In iterations of ~1us */
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#define HERMES_CMD_INIT_TIMEOUT (50000) /* in iterations of ~10us */
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#define HERMES_CMD_COMPL_TIMEOUT (20000) /* in iterations of ~10us */
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#define HERMES_ALLOC_COMPL_TIMEOUT (1000) /* in iterations of ~10us */
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/* WEP settings */
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#define HERMES_AUTH_OPEN (1)
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#define HERMES_AUTH_SHARED_KEY (2)
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#define HERMES_WEP_PRIVACY_INVOKED (0x0001)
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#define HERMES_WEP_EXCL_UNENCRYPTED (0x0002)
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#define HERMES_WEP_HOST_ENCRYPT (0x0010)
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#define HERMES_WEP_HOST_DECRYPT (0x0080)
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/* Basic control structure */
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typedef struct hermes
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{
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u32_t iobase;
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int io_space; /* 1 if we IO-mapped IO, 0 for memory-mapped
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* IO */
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#define HERMES_IO 1
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#define HERMES_MEM 0
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int reg_spacing;
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#define HERMES_16BIT_REGSPACING 0
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#define HERMES_32BIT_REGSPACING 1
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u16_t inten; /* Which interrupts should be enabled? */
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char *locmem;
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} hermes_t;
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typedef struct hermes_response
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{
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u16_t status, resp0, resp1, resp2;
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} hermes_response_t;
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struct hermes_idstring
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{
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u16_t len;
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u16_t val[16];
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};
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#define HERMES_BYTES_TO_RECLEN(n) ( (((n)+1)/2) + 1 )
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#define HERMES_RECLEN_TO_BYTES(n) ( ((n)-1) * 2 )
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/* Function prototypes */
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_PROTOTYPE (u16_t hermes_read_reg, (hermes_t * hw, u16_t off));
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_PROTOTYPE (void hermes_write_reg, (hermes_t * hw, u16_t off, u16_t val));
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_PROTOTYPE (void hermes_struct_init, (hermes_t * hw, u32_t address,
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int io_space, int reg_spacing));
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_PROTOTYPE (int hermes_init, (hermes_t * hw));
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_PROTOTYPE (int hermes_docmd_wait, (hermes_t * hw, u16_t cmd,
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u16_t parm0, hermes_response_t * resp));
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_PROTOTYPE (int hermes_allocate, (hermes_t * hw, u16_t size, u16_t * fid));
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_PROTOTYPE (int hermes_bap_pread, (hermes_t * hw, int bap, void *buf,
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unsigned len, u16_t id, u16_t offset));
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_PROTOTYPE (int hermes_bap_pwrite, (hermes_t * hw, int bap,
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const void *buf, unsigned len, u16_t id,
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u16_t offset));
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_PROTOTYPE (void hermes_read_words, (hermes_t * hw, int off, void *buf,
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unsigned count));
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_PROTOTYPE (void hermes_write_words, (hermes_t * hw, int off,
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const void *buf, unsigned count));
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_PROTOTYPE (int hermes_read_ltv, (hermes_t * hw, int bap, u16_t rid,
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unsigned buflen, u16_t * length,
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void *buf));
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_PROTOTYPE (int hermes_write_ltv, (hermes_t * hw, int bap, u16_t rid,
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u16_t length, const void *value));
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_PROTOTYPE (int hermes_present, (hermes_t * hw));
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_PROTOTYPE (int myfunc_read, (vir_bytes src));
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_PROTOTYPE (void myfunc_write, (vir_bytes dst, int val));
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_PROTOTYPE (void hermes_print_ioarea, (hermes_t * hw, int first_reg,
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int last_reg));
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_PROTOTYPE (int hermes_set_irqmask, (hermes_t * hw, u16_t events));
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_PROTOTYPE (u16_t hermes_get_irqmask, (hermes_t * hw));
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_PROTOTYPE (int hermes_read_wordrec, (hermes_t * hw, int bap, u16_t rid,
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u16_t * word));
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_PROTOTYPE (int hermes_write_wordrec, (hermes_t * hw, int bap, u16_t rid,
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u16_t word));
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_PROTOTYPE (int hermes_cor_reset, (hermes_t *hw));
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_PROTOTYPE (void milli_delay, (unsigned int msecs));
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#endif /* _HERMES_H */
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