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minix/drivers/orinoco/hermes.h

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a driver for wireless pci cards with the Prism chipset from Intersil Original version, by Stevens Le Blond and Michael Valkering.
2007-07-24 16:49:09 +02:00
/*
* hermes.h
*
* Constants, structures and prototypes needed for the low level access of
* Prism cards. The hermes.h file was used as the basis of this file
*
* Adjusted to Minix by Stevens Le Blond <slblond@few.vu.nl>
* and Michael Valkering <mjvalker@cs.vu.nl>
*/
/* Original copyright notices from hermes.h of the Linux kernel
*
* Copyright (C) 2000, David Gibson, Linuxcare Australia
* <hermes@gibson.dropbear.id.au>
* Portions taken from hfa384x.h, Copyright (C) 1999 AbsoluteValue Systems, Inc.
* All Rights Reserved.
* This file distributed under the GPL, version 2.
*/
#ifndef _HERMES_H
#define _HERMES_H
Lots of small code cleanup: make symbols local, remove unused symbols, fixed a typo, removed a now unused header file. Use #include <..> for header files that represent libraries.
2010-02-09 16:23:38 +01:00
#include <drivers.h>
a driver for wireless pci cards with the Prism chipset from Intersil Original version, by Stevens Le Blond and Michael Valkering.
2007-07-24 16:49:09 +02:00
#include <net/gen/ether.h>
#include <net/gen/eth_io.h>
#include <net/hton.h>
#include <stdarg.h>
/*****************************************************************************
* HERMES CONSTANTS *
*****************************************************************************/
#define HERMES_ALLOC_LEN_MIN (4)
#define HERMES_ALLOC_LEN_MAX (2400)
#define HERMES_LTV_LEN_MAX (34)
#define HERMES_BAP_DATALEN_MAX (4096)
#define HERMES_BAP_OFFSET_MAX (4096)
#define HERMES_PORTID_MAX (7)
#define HERMES_NUMPORTS_MAX (HERMES_PORTID_MAX+1)
#define HERMES_PDR_LEN_MAX (260)
#define HERMES_PDA_RECS_MAX (200)
#define HERMES_PDA_LEN_MAX (1024)
#define HERMES_SCANRESULT_MAX (35)
#define HERMES_CHINFORESULT_MAX (8)
#define HERMES_MAX_MULTICAST (16)
#define HERMES_MAGIC (0x69ff)
/*
* Hermes register offsets
*/
#define HERMES_CMD (0x00)
#define HERMES_PARAM0 (0x02)
#define HERMES_PARAM1 (0x04)
#define HERMES_PARAM2 (0x06)
#define HERMES_STATUS (0x08)
#define HERMES_RESP0 (0x0A)
#define HERMES_RESP1 (0x0C)
#define HERMES_RESP2 (0x0E)
#define HERMES_INFOFID (0x10)
#define HERMES_RXFID (0x20)
#define HERMES_ALLOCFID (0x22)
#define HERMES_TXCOMPLFID (0x24)
#define HERMES_SELECT0 (0x18)
#define HERMES_OFFSET0 (0x1C)
#define HERMES_DATA0 (0x36)
#define HERMES_SELECT1 (0x1A)
#define HERMES_OFFSET1 (0x1E)
#define HERMES_DATA1 (0x38)
#define HERMES_EVSTAT (0x30)
#define HERMES_INTEN (0x32)
#define HERMES_EVACK (0x34)
#define HERMES_CONTROL (0x14)
#define HERMES_SWSUPPORT0 (0x28)
#define HERMES_SWSUPPORT1 (0x2A)
#define HERMES_SWSUPPORT2 (0x2C)
#define HERMES_AUXPAGE (0x3A)
#define HERMES_AUXOFFSET (0x3C)
#define HERMES_AUXDATA (0x3E)
/*
* CMD register bitmasks
*/
#define HERMES_CMD_BUSY (0x8000)
#define HERMES_CMD_AINFO (0x7f00)
#define HERMES_CMD_MACPORT (0x0700)
#define HERMES_CMD_RECL (0x0100)
#define HERMES_CMD_WRITE (0x0100)
#define HERMES_CMD_PROGMODE (0x0300)
#define HERMES_CMD_CMDCODE (0x003f)
/*
* STATUS register bitmasks
*/
#define HERMES_STATUS_RESULT (0x7f00)
#define HERMES_STATUS_CMDCODE (0x003f)
/*
* OFFSET register bitmasks
*/
#define HERMES_OFFSET_BUSY (0x8000)
#define HERMES_OFFSET_ERR (0x4000)
#define HERMES_OFFSET_DATAOFF (0x0ffe)
/*
* Event register bitmasks (INTEN, EVSTAT, EVACK)
*/
#define HERMES_EV_TICK (0x8000)
#define HERMES_EV_WTERR (0x4000)
#define HERMES_EV_INFDROP (0x2000)
#define HERMES_EV_INFO (0x0080)
#define HERMES_EV_DTIM (0x0020)
#define HERMES_EV_CMD (0x0010)
#define HERMES_EV_ALLOC (0x0008)
#define HERMES_EV_TXEXC (0x0004)
#define HERMES_EV_TX (0x0002)
#define HERMES_EV_RX (0x0001)
/*
* COR reset options
*/
#define HERMES_PCI_COR (0x26)
#define HERMES_PCI_COR_MASK (0x0080)
/* It appears that the card needs quite some time to recover: */
#define HERMES_PCI_COR_ONT (250) /* ms */
#define HERMES_PCI_COR_OFFT (500) /* ms */
#define HERMES_PCI_COR_BUSYT (500) /* ms */
/*
* Command codes
*/
/*--- Controller Commands --------------------------*/
#define HERMES_CMD_INIT (0x0000)
#define HERMES_CMD_ENABLE (0x0001)
#define HERMES_CMD_DISABLE (0x0002)
#define HERMES_CMD_DIAG (0x0003)
/*--- Buffer Mgmt Commands --------------------------*/
#define HERMES_CMD_ALLOC (0x000A)
#define HERMES_CMD_TX (0x000B)
#define HERMES_CMD_CLRPRST (0x0012)
/*--- Regulate Commands --------------------------*/
#define HERMES_CMD_NOTIFY (0x0010)
#define HERMES_CMD_INQUIRE (0x0011)
/*--- Configure Commands --------------------------*/
#define HERMES_CMD_ACCESS (0x0021)
#define HERMES_CMD_DOWNLD (0x0022)
/*--- Debugging Commands -----------------------------*/
#define HERMES_CMD_MONITOR (0x0038)
#define HERMES_MONITOR_ENABLE (0x000b)
#define HERMES_MONITOR_DISABLE (0x000f)
/*
* Frame structures and constants
*/
#define HERMES_DESCRIPTOR_OFFSET (0)
#define HERMES_802_11_OFFSET (14)
#define HERMES_802_3_OFFSET (14+32)
#define HERMES_802_2_OFFSET (14+32+14)
struct hermes_rx_descriptor
{
u16_t status;
u16_t time_lefthalf;
u16_t time_righthalf;
u8_t silence;
u8_t signal;
u8_t rate;
u8_t rxflow;
u16_t reserved1;
u16_t reserved2;
};
#define HERMES_RXSTAT_ERR (0x0003)
#define HERMES_RXSTAT_BADCRC (0x0001)
#define HERMES_RXSTAT_UNDECRYPTABLE (0x0002)
#define HERMES_RXSTAT_MACPORT (0x0700)
#define HERMES_RXSTAT_PCF (0x1000)
#define HERMES_RXSTAT_MSGTYPE (0xE000)
#define HERMES_RXSTAT_1042 (0x2000) /* RFC-1042 frame */
#define HERMES_RXSTAT_TUNNEL (0x4000) /* bridge-tunnel
* encoded frame */
#define HERMES_RXSTAT_WMP (0x6000) /* Wavelan-II
* Management
* Protocol frame */
struct hermes_tx_descriptor
{
u16_t status;
u16_t reserved1;
u16_t reserved2;
u16_t sw_support_lefthalf;
u16_t sw_support_righthalf;
u8_t retry_count;
u8_t tx_rate;
u16_t tx_control;
};
#define HERMES_TXSTAT_RETRYERR (0x0001)
#define HERMES_TXSTAT_AGEDERR (0x0002)
#define HERMES_TXSTAT_DISCON (0x0004)
#define HERMES_TXSTAT_FORMERR (0x0008)
#define HERMES_TXCTRL_TX_OK (0x0002)
#define HERMES_TXCTRL_TX_EX (0x0004)
#define HERMES_TXCTRL_802_11 (0x0008)
#define HERMES_TXCTRL_ALT_RTRY (0x0020)
/* Inquiry constants and data types */
#define HERMES_INQ_TALLIES (0xF100)
#define HERMES_INQ_SCAN (0xF101)
#define HERMES_INQ_LINKSTATUS (0xF200)
/* The tallies are retrieved, but these fields are not processed until now */
struct hermes_tallies_frame
{
u16_t TxUnicastFrames;
u16_t TxMulticastFrames;
u16_t TxFragments;
u16_t TxUnicastOctets;
u16_t TxMulticastOctets;
u16_t TxDeferredTransmissions;
u16_t TxSingleRetryFrames;
u16_t TxMultipleRetryFrames;
u16_t TxRetryLimitExceeded;
u16_t TxDiscards;
u16_t RxUnicastFrames;
u16_t RxMulticastFrames;
u16_t RxFragments;
u16_t RxUnicastOctets;
u16_t RxMulticastOctets;
u16_t RxFCSErrors;
u16_t RxDiscards_NoBuffer;
u16_t TxDiscardsWrongSA;
u16_t RxWEPUndecryptable;
u16_t RxMsgInMsgFragments;
u16_t RxMsgInBadMsgFragments;
u16_t RxDiscards_WEPICVError;
u16_t RxDiscards_WEPExcluded;
};
#define HERMES_LINKSTATUS_NOT_CONNECTED (0x0000)
#define HERMES_LINKSTATUS_CONNECTED (0x0001)
#define HERMES_LINKSTATUS_DISCONNECTED (0x0002)
#define HERMES_LINKSTATUS_AP_CHANGE (0x0003)
#define HERMES_LINKSTATUS_AP_OUT_OF_RANGE (0x0004)
#define HERMES_LINKSTATUS_AP_IN_RANGE (0x0005)
#define HERMES_LINKSTATUS_ASSOC_FAILED (0x0006)
struct hermes_linkstatus
{
u16_t linkstatus; /* Link status */
};
/* Timeouts. These are maximum timeouts. Most often, card wil react
* much faster */
#define HERMES_BAP_BUSY_TIMEOUT (10000) /* In iterations of ~1us */
#define HERMES_CMD_BUSY_TIMEOUT (100) /* In iterations of ~1us */
#define HERMES_CMD_INIT_TIMEOUT (50000) /* in iterations of ~10us */
#define HERMES_CMD_COMPL_TIMEOUT (20000) /* in iterations of ~10us */
#define HERMES_ALLOC_COMPL_TIMEOUT (1000) /* in iterations of ~10us */
/* WEP settings */
#define HERMES_AUTH_OPEN (1)
#define HERMES_AUTH_SHARED_KEY (2)
#define HERMES_WEP_PRIVACY_INVOKED (0x0001)
#define HERMES_WEP_EXCL_UNENCRYPTED (0x0002)
#define HERMES_WEP_HOST_ENCRYPT (0x0010)
#define HERMES_WEP_HOST_DECRYPT (0x0080)
/* Basic control structure */
typedef struct hermes
{
u32_t iobase;
int io_space; /* 1 if we IO-mapped IO, 0 for memory-mapped
* IO */
#define HERMES_IO 1
#define HERMES_MEM 0
int reg_spacing;
#define HERMES_16BIT_REGSPACING 0
#define HERMES_32BIT_REGSPACING 1
u16_t inten; /* Which interrupts should be enabled? */
char *locmem;
} hermes_t;
typedef struct hermes_response
{
u16_t status, resp0, resp1, resp2;
} hermes_response_t;
struct hermes_idstring
{
u16_t len;
u16_t val[16];
};
#define HERMES_BYTES_TO_RECLEN(n) ( (((n)+1)/2) + 1 )
#define HERMES_RECLEN_TO_BYTES(n) ( ((n)-1) * 2 )
/* Function prototypes */
_PROTOTYPE (u16_t hermes_read_reg, (hermes_t * hw, u16_t off));
_PROTOTYPE (void hermes_write_reg, (hermes_t * hw, u16_t off, u16_t val));
_PROTOTYPE (void hermes_struct_init, (hermes_t * hw, u32_t address,
int io_space, int reg_spacing));
_PROTOTYPE (int hermes_init, (hermes_t * hw));
_PROTOTYPE (int hermes_docmd_wait, (hermes_t * hw, u16_t cmd,
u16_t parm0, hermes_response_t * resp));
_PROTOTYPE (int hermes_allocate, (hermes_t * hw, u16_t size, u16_t * fid));
_PROTOTYPE (int hermes_bap_pread, (hermes_t * hw, int bap, void *buf,
unsigned len, u16_t id, u16_t offset));
_PROTOTYPE (int hermes_bap_pwrite, (hermes_t * hw, int bap,
const void *buf, unsigned len, u16_t id,
u16_t offset));
_PROTOTYPE (void hermes_read_words, (hermes_t * hw, int off, void *buf,
unsigned count));
_PROTOTYPE (int hermes_read_ltv, (hermes_t * hw, int bap, u16_t rid,
unsigned buflen, u16_t * length,
void *buf));
_PROTOTYPE (int hermes_write_ltv, (hermes_t * hw, int bap, u16_t rid,
u16_t length, const void *value));
_PROTOTYPE (int hermes_set_irqmask, (hermes_t * hw, u16_t events));
_PROTOTYPE (u16_t hermes_get_irqmask, (hermes_t * hw));
_PROTOTYPE (int hermes_read_wordrec, (hermes_t * hw, int bap, u16_t rid,
u16_t * word));
_PROTOTYPE (int hermes_write_wordrec, (hermes_t * hw, int bap, u16_t rid,
u16_t word));
_PROTOTYPE (int hermes_cor_reset, (hermes_t *hw));
#endif /* _HERMES_H */
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