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linux_dsm_epyc7002/drivers/net/wireless/wavelan.h
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2 
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

371 lines
16 KiB
C
Raw Blame History

/*
* WaveLAN ISA driver
*
* Jean II - HPLB '96
*
* Reorganisation and extension of the driver.
* Original copyright follows. See wavelan.p.h for details.
*
* This file contains the declarations for the WaveLAN hardware. Note that
* the WaveLAN ISA includes a i82586 controller (see definitions in
* file i82586.h).
*
* The main difference between the ISA hardware and the PCMCIA one is
* the Ethernet controller (i82586 instead of i82593).
* The i82586 allows multiple transmit buffers. The PSA needs to be accessed
* through the host interface.
*/
#ifndef _WAVELAN_H
#define _WAVELAN_H
/************************** MAGIC NUMBERS ***************************/
/* Detection of the WaveLAN card is done by reading the MAC
* address from the card and checking it. If you have a non-AT&T
* product (OEM, like DEC RoamAbout, Digital Ocean, or Epson),
* you might need to modify this part to accommodate your hardware.
*/
static const char MAC_ADDRESSES[][3] =
{
{ 0x08, 0x00, 0x0E }, /* AT&T WaveLAN (standard) & DEC RoamAbout */
{ 0x08, 0x00, 0x6A }, /* AT&T WaveLAN (alternate) */
{ 0x00, 0x00, 0xE1 }, /* Hitachi Wavelan */
{ 0x00, 0x60, 0x1D } /* Lucent Wavelan (another one) */
/* Add your card here and send me the patch! */
};
#define WAVELAN_ADDR_SIZE 6 /* Size of a MAC address */
#define WAVELAN_MTU 1500 /* Maximum size of WaveLAN packet */
#define MAXDATAZ (WAVELAN_ADDR_SIZE + WAVELAN_ADDR_SIZE + 2 + WAVELAN_MTU)
/*
* Constants used to convert channels to frequencies
*/
/* Frequency available in the 2.0 modem, in units of 250 kHz
* (as read in the offset register of the dac area).
* Used to map channel numbers used by `wfreqsel' to frequencies
*/
static const short channel_bands[] = { 0x30, 0x58, 0x64, 0x7A, 0x80, 0xA8,
0xD0, 0xF0, 0xF8, 0x150 };
/* Frequencies of the 1.0 modem (fixed frequencies).
* Use to map the PSA `subband' to a frequency
* Note : all frequencies apart from the first one need to be multiplied by 10
*/
static const int fixed_bands[] = { 915e6, 2.425e8, 2.46e8, 2.484e8, 2.4305e8 };
/*************************** PC INTERFACE ****************************/
/*
* Host Adaptor structure.
* (base is board port address).
*/
typedef union hacs_u hacs_u;
union hacs_u
{
unsigned short hu_command; /* Command register */
#define HACR_RESET 0x0001 /* Reset board */
#define HACR_CA 0x0002 /* Set Channel Attention for 82586 */
#define HACR_16BITS 0x0004 /* 16-bit operation (0 => 8bits) */
#define HACR_OUT0 0x0008 /* General purpose output pin 0 */
/* not used - must be 1 */
#define HACR_OUT1 0x0010 /* General purpose output pin 1 */
/* not used - must be 1 */
#define HACR_82586_INT_ENABLE 0x0020 /* Enable 82586 interrupts */
#define HACR_MMC_INT_ENABLE 0x0040 /* Enable MMC interrupts */
#define HACR_INTR_CLR_ENABLE 0x0080 /* Enable interrupt status read/clear */
unsigned short hu_status; /* Status Register */
#define HASR_82586_INTR 0x0001 /* Interrupt request from 82586 */
#define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */
#define HASR_MMC_BUSY 0x0004 /* MMC busy indication */
#define HASR_PSA_BUSY 0x0008 /* LAN parameter storage area busy */
};
typedef struct ha_t ha_t;
struct ha_t
{
hacs_u ha_cs; /* Command and status registers */
#define ha_command ha_cs.hu_command
#define ha_status ha_cs.hu_status
unsigned short ha_mmcr; /* Modem Management Ctrl Register */
unsigned short ha_pior0; /* Program I/O Address Register Port 0 */
unsigned short ha_piop0; /* Program I/O Port 0 */
unsigned short ha_pior1; /* Program I/O Address Register Port 1 */
unsigned short ha_piop1; /* Program I/O Port 1 */
unsigned short ha_pior2; /* Program I/O Address Register Port 2 */
unsigned short ha_piop2; /* Program I/O Port 2 */
};
#define HA_SIZE 16
#define hoff(p,f) (unsigned short)((void *)(&((ha_t *)((void *)0 + (p)))->f) - (void *)0)
#define HACR(p) hoff(p, ha_command)
#define HASR(p) hoff(p, ha_status)
#define MMCR(p) hoff(p, ha_mmcr)
#define PIOR0(p) hoff(p, ha_pior0)
#define PIOP0(p) hoff(p, ha_piop0)
#define PIOR1(p) hoff(p, ha_pior1)
#define PIOP1(p) hoff(p, ha_piop1)
#define PIOR2(p) hoff(p, ha_pior2)
#define PIOP2(p) hoff(p, ha_piop2)
/*
* Program I/O Mode Register values.
*/
#define STATIC_PIO 0 /* Mode 1: static mode */
/* RAM access ??? */
#define AUTOINCR_PIO 1 /* Mode 2: auto increment mode */
/* RAM access ??? */
#define AUTODECR_PIO 2 /* Mode 3: auto decrement mode */
/* RAM access ??? */
#define PARAM_ACCESS_PIO 3 /* Mode 4: LAN parameter access mode */
/* Parameter access. */
#define PIO_MASK 3 /* register mask */
#define PIOM(cmd,piono) ((u_short)cmd << 10 << (piono * 2))
#define HACR_DEFAULT (HACR_OUT0 | HACR_OUT1 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
#define HACR_INTRON (HACR_82586_INT_ENABLE | HACR_MMC_INT_ENABLE | HACR_INTR_CLR_ENABLE)
/************************** MEMORY LAYOUT **************************/
/*
* Onboard 64 k RAM layout.
* (Offsets from 0x0000.)
*/
#define OFFSET_RU 0x0000 /* 75% memory */
#define OFFSET_CU 0xC000 /* 25% memory */
#define OFFSET_SCB (OFFSET_ISCP - sizeof(scb_t))
#define OFFSET_ISCP (OFFSET_SCP - sizeof(iscp_t))
#define OFFSET_SCP I82586_SCP_ADDR
#define RXBLOCKZ (sizeof(fd_t) + sizeof(rbd_t) + MAXDATAZ)
#define TXBLOCKZ (sizeof(ac_tx_t) + sizeof(ac_nop_t) + sizeof(tbd_t) + MAXDATAZ)
#define NRXBLOCKS ((OFFSET_CU - OFFSET_RU) / RXBLOCKZ)
#define NTXBLOCKS ((OFFSET_SCB - OFFSET_CU) / TXBLOCKZ)
/********************** PARAMETER STORAGE AREA **********************/
/*
* Parameter Storage Area (PSA).
*/
typedef struct psa_t psa_t;
struct psa_t
{
unsigned char psa_io_base_addr_1; /* [0x00] Base address 1 ??? */
unsigned char psa_io_base_addr_2; /* [0x01] Base address 2 */
unsigned char psa_io_base_addr_3; /* [0x02] Base address 3 */
unsigned char psa_io_base_addr_4; /* [0x03] Base address 4 */
unsigned char psa_rem_boot_addr_1; /* [0x04] Remote Boot Address 1 */
unsigned char psa_rem_boot_addr_2; /* [0x05] Remote Boot Address 2 */
unsigned char psa_rem_boot_addr_3; /* [0x06] Remote Boot Address 3 */
unsigned char psa_holi_params; /* [0x07] HOst Lan Interface (HOLI) Parameters */
unsigned char psa_int_req_no; /* [0x08] Interrupt Request Line */
unsigned char psa_unused0[7]; /* [0x09-0x0F] unused */
unsigned char psa_univ_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x10-0x15] Universal (factory) MAC Address */
unsigned char psa_local_mac_addr[WAVELAN_ADDR_SIZE]; /* [0x16-1B] Local MAC Address */
unsigned char psa_univ_local_sel; /* [0x1C] Universal Local Selection */
#define PSA_UNIVERSAL 0 /* Universal (factory) */
#define PSA_LOCAL 1 /* Local */
unsigned char psa_comp_number; /* [0x1D] Compatibility Number: */
#define PSA_COMP_PC_AT_915 0 /* PC-AT 915 MHz */
#define PSA_COMP_PC_MC_915 1 /* PC-MC 915 MHz */
#define PSA_COMP_PC_AT_2400 2 /* PC-AT 2.4 GHz */
#define PSA_COMP_PC_MC_2400 3 /* PC-MC 2.4 GHz */
#define PSA_COMP_PCMCIA_915 4 /* PCMCIA 915 MHz or 2.0 */
unsigned char psa_thr_pre_set; /* [0x1E] Modem Threshold Preset */
unsigned char psa_feature_select; /* [0x1F] Call code required (1=on) */
#define PSA_FEATURE_CALL_CODE 0x01 /* Call code required (Japan) */
unsigned char psa_subband; /* [0x20] Subband */
#define PSA_SUBBAND_915 0 /* 915 MHz or 2.0 */
#define PSA_SUBBAND_2425 1 /* 2425 MHz */
#define PSA_SUBBAND_2460 2 /* 2460 MHz */
#define PSA_SUBBAND_2484 3 /* 2484 MHz */
#define PSA_SUBBAND_2430_5 4 /* 2430.5 MHz */
unsigned char psa_quality_thr; /* [0x21] Modem Quality Threshold */
unsigned char psa_mod_delay; /* [0x22] Modem Delay (?) (reserved) */
unsigned char psa_nwid[2]; /* [0x23-0x24] Network ID */
unsigned char psa_nwid_select; /* [0x25] Network ID Select On/Off */
unsigned char psa_encryption_select; /* [0x26] Encryption On/Off */
unsigned char psa_encryption_key[8]; /* [0x27-0x2E] Encryption Key */
unsigned char psa_databus_width; /* [0x2F] AT bus width select 8/16 */
unsigned char psa_call_code[8]; /* [0x30-0x37] (Japan) Call Code */
unsigned char psa_nwid_prefix[2]; /* [0x38-0x39] Roaming domain */
unsigned char psa_reserved[2]; /* [0x3A-0x3B] Reserved - fixed 00 */
unsigned char psa_conf_status; /* [0x3C] Conf Status, bit 0=1:config*/
unsigned char psa_crc[2]; /* [0x3D] CRC-16 over PSA */
unsigned char psa_crc_status; /* [0x3F] CRC Valid Flag */
};
#define PSA_SIZE 64
/* Calculate offset of a field in the above structure.
* Warning: only even addresses are used. */
#define psaoff(p,f) ((unsigned short) ((void *)(&((psa_t *) ((void *) NULL + (p)))->f) - (void *) NULL))
/******************** MODEM MANAGEMENT INTERFACE ********************/
/*
* Modem Management Controller (MMC) write structure.
*/
typedef struct mmw_t mmw_t;
struct mmw_t
{
unsigned char mmw_encr_key[8]; /* encryption key */
unsigned char mmw_encr_enable; /* Enable or disable encryption. */
#define MMW_ENCR_ENABLE_MODE 0x02 /* mode of security option */
#define MMW_ENCR_ENABLE_EN 0x01 /* Enable security option. */
unsigned char mmw_unused0[1]; /* unused */
unsigned char mmw_des_io_invert; /* encryption option */
#define MMW_DES_IO_INVERT_RES 0x0F /* reserved */
#define MMW_DES_IO_INVERT_CTRL 0xF0 /* control (?) (set to 0) */
unsigned char mmw_unused1[5]; /* unused */
unsigned char mmw_loopt_sel; /* looptest selection */
#define MMW_LOOPT_SEL_DIS_NWID 0x40 /* Disable NWID filtering. */
#define MMW_LOOPT_SEL_INT 0x20 /* Activate Attention Request. */
#define MMW_LOOPT_SEL_LS 0x10 /* looptest, no collision avoidance */
#define MMW_LOOPT_SEL_LT3A 0x08 /* looptest 3a */
#define MMW_LOOPT_SEL_LT3B 0x04 /* looptest 3b */
#define MMW_LOOPT_SEL_LT3C 0x02 /* looptest 3c */
#define MMW_LOOPT_SEL_LT3D 0x01 /* looptest 3d */
unsigned char mmw_jabber_enable; /* jabber timer enable */
/* Abort transmissions > 200 ms */
unsigned char mmw_freeze; /* freeze or unfreeze signal level */
/* 0 : signal level & qual updated for every new message, 1 : frozen */
unsigned char mmw_anten_sel; /* antenna selection */
#define MMW_ANTEN_SEL_SEL 0x01 /* direct antenna selection */
#define MMW_ANTEN_SEL_ALG_EN 0x02 /* antenna selection algo. enable */
unsigned char mmw_ifs; /* inter frame spacing */
/* min time between transmission in bit periods (.5 us) - bit 0 ignored */
unsigned char mmw_mod_delay; /* modem delay (synchro) */
unsigned char mmw_jam_time; /* jamming time (after collision) */
unsigned char mmw_unused2[1]; /* unused */
unsigned char mmw_thr_pre_set; /* level threshold preset */
/* Discard all packet with signal < this value (4) */
unsigned char mmw_decay_prm; /* decay parameters */
unsigned char mmw_decay_updat_prm; /* decay update parameters */
unsigned char mmw_quality_thr; /* quality (z-quotient) threshold */
/* Discard all packet with quality < this value (3) */
unsigned char mmw_netw_id_l; /* NWID low order byte */
unsigned char mmw_netw_id_h; /* NWID high order byte */
/* Network ID or Domain : create virtual net on the air */
/* 2.0 Hardware extension - frequency selection support */
unsigned char mmw_mode_select; /* for analog tests (set to 0) */
unsigned char mmw_unused3[1]; /* unused */
unsigned char mmw_fee_ctrl; /* frequency EEPROM control */
#define MMW_FEE_CTRL_PRE 0x10 /* Enable protected instructions. */
#define MMW_FEE_CTRL_DWLD 0x08 /* Download EEPROM to mmc. */
#define MMW_FEE_CTRL_CMD 0x07 /* EEPROM commands: */
#define MMW_FEE_CTRL_READ 0x06 /* Read */
#define MMW_FEE_CTRL_WREN 0x04 /* Write enable */
#define MMW_FEE_CTRL_WRITE 0x05 /* Write data to address. */
#define MMW_FEE_CTRL_WRALL 0x04 /* Write data to all addresses. */
#define MMW_FEE_CTRL_WDS 0x04 /* Write disable */
#define MMW_FEE_CTRL_PRREAD 0x16 /* Read addr from protect register */
#define MMW_FEE_CTRL_PREN 0x14 /* Protect register enable */
#define MMW_FEE_CTRL_PRCLEAR 0x17 /* Unprotect all registers. */
#define MMW_FEE_CTRL_PRWRITE 0x15 /* Write address in protect register */
#define MMW_FEE_CTRL_PRDS 0x14 /* Protect register disable */
/* Never issue the PRDS command: it's irreversible! */
unsigned char mmw_fee_addr; /* EEPROM address */
#define MMW_FEE_ADDR_CHANNEL 0xF0 /* Select the channel. */
#define MMW_FEE_ADDR_OFFSET 0x0F /* Offset in channel data */
#define MMW_FEE_ADDR_EN 0xC0 /* FEE_CTRL enable operations */
#define MMW_FEE_ADDR_DS 0x00 /* FEE_CTRL disable operations */
#define MMW_FEE_ADDR_ALL 0x40 /* FEE_CTRL all operations */
#define MMW_FEE_ADDR_CLEAR 0xFF /* FEE_CTRL clear operations */
unsigned char mmw_fee_data_l; /* Write data to EEPROM. */
unsigned char mmw_fee_data_h; /* high octet */
unsigned char mmw_ext_ant; /* Setting for external antenna */
#define MMW_EXT_ANT_EXTANT 0x01 /* Select external antenna */
#define MMW_EXT_ANT_POL 0x02 /* Polarity of the antenna */
#define MMW_EXT_ANT_INTERNAL 0x00 /* Internal antenna */
#define MMW_EXT_ANT_EXTERNAL 0x03 /* External antenna */
#define MMW_EXT_ANT_IQ_TEST 0x1C /* IQ test pattern (set to 0) */
};
#define MMW_SIZE 37
#define mmwoff(p,f) (unsigned short)((void *)(&((mmw_t *)((void *)0 + (p)))->f) - (void *)0)
/*
* Modem Management Controller (MMC) read structure.
*/
typedef struct mmr_t mmr_t;
struct mmr_t
{
unsigned char mmr_unused0[8]; /* unused */
unsigned char mmr_des_status; /* encryption status */
unsigned char mmr_des_avail; /* encryption available (0x55 read) */
#define MMR_DES_AVAIL_DES 0x55 /* DES available */
#define MMR_DES_AVAIL_AES 0x33 /* AES (AT&T) available */
unsigned char mmr_des_io_invert; /* des I/O invert register */
unsigned char mmr_unused1[5]; /* unused */
unsigned char mmr_dce_status; /* DCE status */
#define MMR_DCE_STATUS_RX_BUSY 0x01 /* receiver busy */
#define MMR_DCE_STATUS_LOOPT_IND 0x02 /* loop test indicated */
#define MMR_DCE_STATUS_TX_BUSY 0x04 /* transmitter on */
#define MMR_DCE_STATUS_JBR_EXPIRED 0x08 /* jabber timer expired */
#define MMR_DCE_STATUS 0x0F /* mask to get the bits */
unsigned char mmr_dsp_id; /* DSP ID (AA = Daedalus rev A) */
unsigned char mmr_unused2[2]; /* unused */
unsigned char mmr_correct_nwid_l; /* # of correct NWIDs rxd (low) */
unsigned char mmr_correct_nwid_h; /* # of correct NWIDs rxd (high) */
/* Warning: read high-order octet first! */
unsigned char mmr_wrong_nwid_l; /* # of wrong NWIDs rxd (low) */
unsigned char mmr_wrong_nwid_h; /* # of wrong NWIDs rxd (high) */
unsigned char mmr_thr_pre_set; /* level threshold preset */
#define MMR_THR_PRE_SET 0x3F /* level threshold preset */
#define MMR_THR_PRE_SET_CUR 0x80 /* Current signal above it */
unsigned char mmr_signal_lvl; /* signal level */
#define MMR_SIGNAL_LVL 0x3F /* signal level */
#define MMR_SIGNAL_LVL_VALID 0x80 /* Updated since last read */
unsigned char mmr_silence_lvl; /* silence level (noise) */
#define MMR_SILENCE_LVL 0x3F /* silence level */
#define MMR_SILENCE_LVL_VALID 0x80 /* Updated since last read */
unsigned char mmr_sgnl_qual; /* signal quality */
#define MMR_SGNL_QUAL 0x0F /* signal quality */
#define MMR_SGNL_QUAL_ANT 0x80 /* current antenna used */
unsigned char mmr_netw_id_l; /* NWID low order byte (?) */
unsigned char mmr_unused3[3]; /* unused */
/* 2.0 Hardware extension - frequency selection support */
unsigned char mmr_fee_status; /* Status of frequency EEPROM */
#define MMR_FEE_STATUS_ID 0xF0 /* Modem revision ID */
#define MMR_FEE_STATUS_DWLD 0x08 /* Download in progress */
#define MMR_FEE_STATUS_BUSY 0x04 /* EEPROM busy */
unsigned char mmr_unused4[1]; /* unused */
unsigned char mmr_fee_data_l; /* Read data from EEPROM (low) */
unsigned char mmr_fee_data_h; /* Read data from EEPROM (high) */
};
#define MMR_SIZE 36
#define mmroff(p,f) (unsigned short)((void *)(&((mmr_t *)((void *)0 + (p)))->f) - (void *)0)
/* Make the two above structures one */
typedef union mm_t
{
struct mmw_t w; /* Write to the mmc */
struct mmr_t r; /* Read from the mmc */
} mm_t;
#endif /* _WAVELAN_H */
/*
* This software may only be used and distributed
* according to the terms of the GNU General Public License.
*
* For more details, see wavelan.c.
*/
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