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