2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that the following conditions
5 * 1. Redistributions of source code must retain all copyright
6 * notices, this list of conditions and the following disclaimer.
7 * 2. The names of the authors may not be used to endorse or promote products
8 * derived from this software without specific prior written permission
10 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
11 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
12 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
13 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
14 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
15 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
16 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
17 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
18 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
19 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 /* Definitions for WaveLAN driver */
28 #define STATUS_TRIES 15000
33 #define RCVBUFSIZE 540
34 #define I82586NULL 0xffff
44 char rbuffer[RCVBUFSIZE];
47 /* Board 64k RAM layout. Offsets from 0x0000 */
49 #define OFFSET_RU 0x0000 /* 0x64 * fd_t = 0x898 */
50 #define OFFSET_RBD 0x0900 /* 0x64 * ru_t = 0xd7a0 */
51 #define OFFSET_CU 0xe0a0 /* 0x100 */
52 #define OFFSET_TBD 0xe1a0 /* 0x48 * tbd_t = 0x240 */
53 #define OFFSET_TBUF 0xe3e0 /* 0x1bfe */
54 #define OFFSET_SCB 0xffde /* 0x1 * scb_t = 0x10 */
55 #define OFFSET_ISCP 0xffee /* 0x1 * iscp_t = 0x8 */
56 #define OFFSET_SCP 0xfff6 /* 0x1 * scp_t = 0xa */
58 /* WaveLAN host interface definitions */
60 #define HACR(base) (base) /* Host Adapter Command Register */
61 #define HASR(base) (base) /* Host Adapter Status Register */
62 #define MMCR(base) (base+0x2) /* Modem Management Ctrl Register */
63 #define PIOR0(base) (base+0x4) /* Program I/O Address Register 0 */
64 #define PIOP0(base) (base+0x6) /* Program I/O Port 0 */
65 #define PIOR1(base) (base+0x8) /* Program I/O Address Register 1 */
66 #define PIOP1(base) (base+0xa) /* Program I/O Port 1 */
67 #define PIOR2(base) (base+0xc) /* Program I/O Address Register 2 */
68 #define PIOP2(base) (base+0xe) /* Program I/O Port 2 */
70 /* Program I/O Mode Register values */
72 #define STATIC_PIO 0 /* Mode 1: static mode */
73 #define AUTOINCR_PIO 1 /* Mode 2: auto increment mode */
74 #define AUTODECR_PIO 2 /* Mode 3: auto decrement mode */
75 #define PARAM_ACCESS_PIO 3 /* Mode 4: LAN parameter access mode */
76 #define PIO_MASK 3 /* register mask */
77 #define PIOM(cmd,piono) ((u_short)cmd << 10 << (piono * 2))
79 /* Host Adapter status register definitions */
81 #define HASR_INTR 0x0001 /* Interrupt request from 82586 */
82 #define HASR_MMC_INTR 0x0002 /* Interrupt request from MMC */
83 #define HASR_MMC_BUSY 0x0004 /* MMC busy indication */
84 #define HASR_PARA_BUSY 0x0008 /* LAN parameter storage area busy */
86 /* Host Adapter command register definitions */
88 #define HACR_RESET 0x0001 /* Reset board */
89 #define HACR_CA 0x0002 /* Set Channel Attention for 82586 */
90 #define HACR_16BITS 0x0004 /* 1==16 bits operation, 0==8 bits */
91 #define HACR_OUT1 0x0008 /* General purpose output pin */
92 #define HACR_OUT2 0x0010 /* General purpose output pin */
93 #define HACR_MASK_82586 0x0020 /* Mask 82586 interrupts, 1==unmask */
94 #define HACR_MASK_MMC 0x0040 /* Mask MMC interrupts, 1==unmask */
95 #define HACR_INTR_CLEN 0x0080 /* interrupt status clear enable */
97 #define HACR_DEFAULT (HACR_OUT1 | HACR_OUT2 | HACR_16BITS | PIOM(STATIC_PIO, 0) | PIOM(AUTOINCR_PIO, 1) | PIOM(PARAM_ACCESS_PIO, 2))
98 #define HACR_INTRON (HACR_MASK_82586 | HACR_MASK_MMC | HACR_INTR_CLEN)
101 outw(HACR(sc->base),sc->hacr); \
102 /* delay for 50 us, might only be needed sometimes */ \
106 /* macro for setting the channel attention bit. No delays here since
107 * it is used in critical sections
109 #define SET_CHAN_ATTN(sc) \
111 outw(HACR(sc->base),sc->hacr | HACR_CA); \
115 #define MMC_WRITE(cmd,val) \
116 while(inw(HASR(sc->base)) & HASR_MMC_BUSY) ; \
117 outw(MMCR(sc->base), \
118 (u_short)(((u_short)(val) << 8) | ((cmd) << 1) | 1))
120 #endif /* _IF_WL_H */