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121 lines
4.5 KiB
C
121 lines
4.5 KiB
C
/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain all copyright
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* notices, this list of conditions and the following disclaimer.
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* 2. The names of the authors may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* Definitions for WaveLAN driver */
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#ifndef _IF_WL_H
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#define _IF_WL_H
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#define STATUS_TRIES 15000
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#define N_FD 100
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#define N_RBD 100
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#define N_TBD 72
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#define RCVBUFSIZE 540
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#define I82586NULL 0xffff
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#define DSF_RUNNING 1
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#define MOD_ENAL 1
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#define MOD_PROM 2
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typedef struct {
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rbd_t r;
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char rbd_pad[2];
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char rbuffer[RCVBUFSIZE];
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} ru_t;
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/* Board 64k RAM layout. Offsets from 0x0000 */
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#define OFFSET_RU 0x0000 /* 0x64 * fd_t = 0x898 */
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#define OFFSET_RBD 0x0900 /* 0x64 * ru_t = 0xd7a0 */
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#define OFFSET_CU 0xe0a0 /* 0x100 */
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#define OFFSET_TBD 0xe1a0 /* 0x48 * tbd_t = 0x240 */
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#define OFFSET_TBUF 0xe3e0 /* 0x1bfe */
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#define OFFSET_SCB 0xffde /* 0x1 * scb_t = 0x10 */
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#define OFFSET_ISCP 0xffee /* 0x1 * iscp_t = 0x8 */
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#define OFFSET_SCP 0xfff6 /* 0x1 * scp_t = 0xa */
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/* WaveLAN host interface definitions */
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#define HACR(base) (base) /* Host Adapter Command Register */
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#define HASR(base) (base) /* Host Adapter Status Register */
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#define MMCR(base) (base+0x2) /* Modem Management Ctrl Register */
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#define PIOR0(base) (base+0x4) /* Program I/O Address Register 0 */
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#define PIOP0(base) (base+0x6) /* Program I/O Port 0 */
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#define PIOR1(base) (base+0x8) /* Program I/O Address Register 1 */
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#define PIOP1(base) (base+0xa) /* Program I/O Port 1 */
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#define PIOR2(base) (base+0xc) /* Program I/O Address Register 2 */
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#define PIOP2(base) (base+0xe) /* Program I/O Port 2 */
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/* Program I/O Mode Register values */
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#define STATIC_PIO 0 /* Mode 1: static mode */
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#define AUTOINCR_PIO 1 /* Mode 2: auto increment mode */
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#define AUTODECR_PIO 2 /* Mode 3: auto decrement mode */
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#define PARAM_ACCESS_PIO 3 /* Mode 4: LAN parameter access mode */
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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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/* Host Adapter status register definitions */
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#define HASR_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_PARA_BUSY 0x0008 /* LAN parameter storage area busy */
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/* Host Adapter command register definitions */
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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 /* 1==16 bits operation, 0==8 bits */
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#define HACR_OUT1 0x0008 /* General purpose output pin */
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#define HACR_OUT2 0x0010 /* General purpose output pin */
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#define HACR_MASK_82586 0x0020 /* Mask 82586 interrupts, 1==unmask */
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#define HACR_MASK_MMC 0x0040 /* Mask MMC interrupts, 1==unmask */
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#define HACR_INTR_CLEN 0x0080 /* interrupt status clear enable */
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#define HACR_DEFAULT (HACR_OUT1 | HACR_OUT2 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
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#define HACR_INTRON (HACR_MASK_82586 | HACR_MASK_MMC | HACR_INTR_CLEN)
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#define CMD(unit) \
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{ \
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outw(HACR(WLSOFTC(unit)->base),WLSOFTC(unit)->hacr); \
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/* delay for 50 us, might only be needed sometimes */ \
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DELAY(DELAYCONST); \
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}
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/* macro for setting the channel attention bit. No delays here since
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* it is used in critical sections
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*/
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#define SET_CHAN_ATTN(unit) \
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{ \
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outw(HACR(WLSOFTC(unit)->base),WLSOFTC(unit)->hacr | HACR_CA); \
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}
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#define MMC_WRITE(cmd,val) \
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while(inw(HASR(WLSOFTC(unit)->base)) & HASR_MMC_BUSY) ; \
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outw(MMCR(WLSOFTC(unit)->base), \
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(u_short)(((u_short)(val) << 8) | ((cmd) << 1) | 1))
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#endif /* _IF_WL_H */
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