diff options
Diffstat (limited to 'drivers/net/8390.h')
-rw-r--r-- | drivers/net/8390.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/drivers/net/8390.h b/drivers/net/8390.h new file mode 100644 index 000000000000..599b68d8c45f --- /dev/null +++ b/drivers/net/8390.h | |||
@@ -0,0 +1,214 @@ | |||
1 | /* Generic NS8390 register definitions. */ | ||
2 | /* This file is part of Donald Becker's 8390 drivers, and is distributed | ||
3 | under the same license. Auto-loading of 8390.o only in v2.2 - Paul G. | ||
4 | Some of these names and comments originated from the Crynwr | ||
5 | packet drivers, which are distributed under the GPL. */ | ||
6 | |||
7 | #ifndef _8390_h | ||
8 | #define _8390_h | ||
9 | |||
10 | #include <linux/config.h> | ||
11 | #include <linux/if_ether.h> | ||
12 | #include <linux/ioport.h> | ||
13 | #include <linux/skbuff.h> | ||
14 | |||
15 | #define TX_PAGES 12 /* Two Tx slots */ | ||
16 | |||
17 | #define ETHER_ADDR_LEN 6 | ||
18 | |||
19 | /* The 8390 specific per-packet-header format. */ | ||
20 | struct e8390_pkt_hdr { | ||
21 | unsigned char status; /* status */ | ||
22 | unsigned char next; /* pointer to next packet. */ | ||
23 | unsigned short count; /* header + packet length in bytes */ | ||
24 | }; | ||
25 | |||
26 | #ifdef notdef | ||
27 | extern int ei_debug; | ||
28 | #else | ||
29 | #define ei_debug 1 | ||
30 | #endif | ||
31 | |||
32 | #ifdef CONFIG_NET_POLL_CONTROLLER | ||
33 | extern void ei_poll(struct net_device *dev); | ||
34 | #endif | ||
35 | |||
36 | extern void NS8390_init(struct net_device *dev, int startp); | ||
37 | extern int ei_open(struct net_device *dev); | ||
38 | extern int ei_close(struct net_device *dev); | ||
39 | extern irqreturn_t ei_interrupt(int irq, void *dev_id, struct pt_regs *regs); | ||
40 | extern struct net_device *__alloc_ei_netdev(int size); | ||
41 | static inline struct net_device *alloc_ei_netdev(void) | ||
42 | { | ||
43 | return __alloc_ei_netdev(0); | ||
44 | } | ||
45 | |||
46 | /* You have one of these per-board */ | ||
47 | struct ei_device { | ||
48 | const char *name; | ||
49 | void (*reset_8390)(struct net_device *); | ||
50 | void (*get_8390_hdr)(struct net_device *, struct e8390_pkt_hdr *, int); | ||
51 | void (*block_output)(struct net_device *, int, const unsigned char *, int); | ||
52 | void (*block_input)(struct net_device *, int, struct sk_buff *, int); | ||
53 | unsigned long rmem_start; | ||
54 | unsigned long rmem_end; | ||
55 | void __iomem *mem; | ||
56 | unsigned char mcfilter[8]; | ||
57 | unsigned open:1; | ||
58 | unsigned word16:1; /* We have the 16-bit (vs 8-bit) version of the card. */ | ||
59 | unsigned bigendian:1; /* 16-bit big endian mode. Do NOT */ | ||
60 | /* set this on random 8390 clones! */ | ||
61 | unsigned txing:1; /* Transmit Active */ | ||
62 | unsigned irqlock:1; /* 8390's intrs disabled when '1'. */ | ||
63 | unsigned dmaing:1; /* Remote DMA Active */ | ||
64 | unsigned char tx_start_page, rx_start_page, stop_page; | ||
65 | unsigned char current_page; /* Read pointer in buffer */ | ||
66 | unsigned char interface_num; /* Net port (AUI, 10bT.) to use. */ | ||
67 | unsigned char txqueue; /* Tx Packet buffer queue length. */ | ||
68 | short tx1, tx2; /* Packet lengths for ping-pong tx. */ | ||
69 | short lasttx; /* Alpha version consistency check. */ | ||
70 | unsigned char reg0; /* Register '0' in a WD8013 */ | ||
71 | unsigned char reg5; /* Register '5' in a WD8013 */ | ||
72 | unsigned char saved_irq; /* Original dev->irq value. */ | ||
73 | struct net_device_stats stat; /* The new statistics table. */ | ||
74 | u32 *reg_offset; /* Register mapping table */ | ||
75 | spinlock_t page_lock; /* Page register locks */ | ||
76 | unsigned long priv; /* Private field to store bus IDs etc. */ | ||
77 | }; | ||
78 | |||
79 | /* The maximum number of 8390 interrupt service routines called per IRQ. */ | ||
80 | #define MAX_SERVICE 12 | ||
81 | |||
82 | /* The maximum time waited (in jiffies) before assuming a Tx failed. (20ms) */ | ||
83 | #define TX_TIMEOUT (20*HZ/100) | ||
84 | |||
85 | #define ei_status (*(struct ei_device *)netdev_priv(dev)) | ||
86 | |||
87 | /* Some generic ethernet register configurations. */ | ||
88 | #define E8390_TX_IRQ_MASK 0xa /* For register EN0_ISR */ | ||
89 | #define E8390_RX_IRQ_MASK 0x5 | ||
90 | #define E8390_RXCONFIG 0x4 /* EN0_RXCR: broadcasts, no multicast,errors */ | ||
91 | #define E8390_RXOFF 0x20 /* EN0_RXCR: Accept no packets */ | ||
92 | #define E8390_TXCONFIG 0x00 /* EN0_TXCR: Normal transmit mode */ | ||
93 | #define E8390_TXOFF 0x02 /* EN0_TXCR: Transmitter off */ | ||
94 | |||
95 | /* Register accessed at EN_CMD, the 8390 base addr. */ | ||
96 | #define E8390_STOP 0x01 /* Stop and reset the chip */ | ||
97 | #define E8390_START 0x02 /* Start the chip, clear reset */ | ||
98 | #define E8390_TRANS 0x04 /* Transmit a frame */ | ||
99 | #define E8390_RREAD 0x08 /* Remote read */ | ||
100 | #define E8390_RWRITE 0x10 /* Remote write */ | ||
101 | #define E8390_NODMA 0x20 /* Remote DMA */ | ||
102 | #define E8390_PAGE0 0x00 /* Select page chip registers */ | ||
103 | #define E8390_PAGE1 0x40 /* using the two high-order bits */ | ||
104 | #define E8390_PAGE2 0x80 /* Page 3 is invalid. */ | ||
105 | |||
106 | /* | ||
107 | * Only generate indirect loads given a machine that needs them. | ||
108 | * - removed AMIGA_PCMCIA from this list, handled as ISA io now | ||
109 | */ | ||
110 | |||
111 | #if defined(CONFIG_MAC) || \ | ||
112 | defined(CONFIG_ZORRO8390) || defined(CONFIG_ZORRO8390_MODULE) || \ | ||
113 | defined(CONFIG_HYDRA) || defined(CONFIG_HYDRA_MODULE) | ||
114 | #define EI_SHIFT(x) (ei_local->reg_offset[x]) | ||
115 | #undef inb | ||
116 | #undef inb_p | ||
117 | #undef outb | ||
118 | #undef outb_p | ||
119 | |||
120 | #define inb(port) in_8(port) | ||
121 | #define outb(val,port) out_8(port,val) | ||
122 | #define inb_p(port) in_8(port) | ||
123 | #define outb_p(val,port) out_8(port,val) | ||
124 | |||
125 | #elif defined(CONFIG_ARM_ETHERH) || defined(CONFIG_ARM_ETHERH_MODULE) | ||
126 | #define EI_SHIFT(x) (ei_local->reg_offset[x]) | ||
127 | #undef inb | ||
128 | #undef inb_p | ||
129 | #undef outb | ||
130 | #undef outb_p | ||
131 | |||
132 | #define inb(_p) readb(_p) | ||
133 | #define outb(_v,_p) writeb(_v,_p) | ||
134 | #define inb_p(_p) inb(_p) | ||
135 | #define outb_p(_v,_p) outb(_v,_p) | ||
136 | |||
137 | #elif defined(CONFIG_NET_CBUS) || defined(CONFIG_NE_H8300) || defined(CONFIG_NE_H8300_MODULE) | ||
138 | #define EI_SHIFT(x) (ei_local->reg_offset[x]) | ||
139 | #else | ||
140 | #define EI_SHIFT(x) (x) | ||
141 | #endif | ||
142 | |||
143 | #define E8390_CMD EI_SHIFT(0x00) /* The command register (for all pages) */ | ||
144 | /* Page 0 register offsets. */ | ||
145 | #define EN0_CLDALO EI_SHIFT(0x01) /* Low byte of current local dma addr RD */ | ||
146 | #define EN0_STARTPG EI_SHIFT(0x01) /* Starting page of ring bfr WR */ | ||
147 | #define EN0_CLDAHI EI_SHIFT(0x02) /* High byte of current local dma addr RD */ | ||
148 | #define EN0_STOPPG EI_SHIFT(0x02) /* Ending page +1 of ring bfr WR */ | ||
149 | #define EN0_BOUNDARY EI_SHIFT(0x03) /* Boundary page of ring bfr RD WR */ | ||
150 | #define EN0_TSR EI_SHIFT(0x04) /* Transmit status reg RD */ | ||
151 | #define EN0_TPSR EI_SHIFT(0x04) /* Transmit starting page WR */ | ||
152 | #define EN0_NCR EI_SHIFT(0x05) /* Number of collision reg RD */ | ||
153 | #define EN0_TCNTLO EI_SHIFT(0x05) /* Low byte of tx byte count WR */ | ||
154 | #define EN0_FIFO EI_SHIFT(0x06) /* FIFO RD */ | ||
155 | #define EN0_TCNTHI EI_SHIFT(0x06) /* High byte of tx byte count WR */ | ||
156 | #define EN0_ISR EI_SHIFT(0x07) /* Interrupt status reg RD WR */ | ||
157 | #define EN0_CRDALO EI_SHIFT(0x08) /* low byte of current remote dma address RD */ | ||
158 | #define EN0_RSARLO EI_SHIFT(0x08) /* Remote start address reg 0 */ | ||
159 | #define EN0_CRDAHI EI_SHIFT(0x09) /* high byte, current remote dma address RD */ | ||
160 | #define EN0_RSARHI EI_SHIFT(0x09) /* Remote start address reg 1 */ | ||
161 | #define EN0_RCNTLO EI_SHIFT(0x0a) /* Remote byte count reg WR */ | ||
162 | #define EN0_RCNTHI EI_SHIFT(0x0b) /* Remote byte count reg WR */ | ||
163 | #define EN0_RSR EI_SHIFT(0x0c) /* rx status reg RD */ | ||
164 | #define EN0_RXCR EI_SHIFT(0x0c) /* RX configuration reg WR */ | ||
165 | #define EN0_TXCR EI_SHIFT(0x0d) /* TX configuration reg WR */ | ||
166 | #define EN0_COUNTER0 EI_SHIFT(0x0d) /* Rcv alignment error counter RD */ | ||
167 | #define EN0_DCFG EI_SHIFT(0x0e) /* Data configuration reg WR */ | ||
168 | #define EN0_COUNTER1 EI_SHIFT(0x0e) /* Rcv CRC error counter RD */ | ||
169 | #define EN0_IMR EI_SHIFT(0x0f) /* Interrupt mask reg WR */ | ||
170 | #define EN0_COUNTER2 EI_SHIFT(0x0f) /* Rcv missed frame error counter RD */ | ||
171 | |||
172 | /* Bits in EN0_ISR - Interrupt status register */ | ||
173 | #define ENISR_RX 0x01 /* Receiver, no error */ | ||
174 | #define ENISR_TX 0x02 /* Transmitter, no error */ | ||
175 | #define ENISR_RX_ERR 0x04 /* Receiver, with error */ | ||
176 | #define ENISR_TX_ERR 0x08 /* Transmitter, with error */ | ||
177 | #define ENISR_OVER 0x10 /* Receiver overwrote the ring */ | ||
178 | #define ENISR_COUNTERS 0x20 /* Counters need emptying */ | ||
179 | #define ENISR_RDC 0x40 /* remote dma complete */ | ||
180 | #define ENISR_RESET 0x80 /* Reset completed */ | ||
181 | #define ENISR_ALL 0x3f /* Interrupts we will enable */ | ||
182 | |||
183 | /* Bits in EN0_DCFG - Data config register */ | ||
184 | #define ENDCFG_WTS 0x01 /* word transfer mode selection */ | ||
185 | #define ENDCFG_BOS 0x02 /* byte order selection */ | ||
186 | |||
187 | /* Page 1 register offsets. */ | ||
188 | #define EN1_PHYS EI_SHIFT(0x01) /* This board's physical enet addr RD WR */ | ||
189 | #define EN1_PHYS_SHIFT(i) EI_SHIFT(i+1) /* Get and set mac address */ | ||
190 | #define EN1_CURPAG EI_SHIFT(0x07) /* Current memory page RD WR */ | ||
191 | #define EN1_MULT EI_SHIFT(0x08) /* Multicast filter mask array (8 bytes) RD WR */ | ||
192 | #define EN1_MULT_SHIFT(i) EI_SHIFT(8+i) /* Get and set multicast filter */ | ||
193 | |||
194 | /* Bits in received packet status byte and EN0_RSR*/ | ||
195 | #define ENRSR_RXOK 0x01 /* Received a good packet */ | ||
196 | #define ENRSR_CRC 0x02 /* CRC error */ | ||
197 | #define ENRSR_FAE 0x04 /* frame alignment error */ | ||
198 | #define ENRSR_FO 0x08 /* FIFO overrun */ | ||
199 | #define ENRSR_MPA 0x10 /* missed pkt */ | ||
200 | #define ENRSR_PHY 0x20 /* physical/multicast address */ | ||
201 | #define ENRSR_DIS 0x40 /* receiver disable. set in monitor mode */ | ||
202 | #define ENRSR_DEF 0x80 /* deferring */ | ||
203 | |||
204 | /* Transmitted packet status, EN0_TSR. */ | ||
205 | #define ENTSR_PTX 0x01 /* Packet transmitted without error */ | ||
206 | #define ENTSR_ND 0x02 /* The transmit wasn't deferred. */ | ||
207 | #define ENTSR_COL 0x04 /* The transmit collided at least once. */ | ||
208 | #define ENTSR_ABT 0x08 /* The transmit collided 16 times, and was deferred. */ | ||
209 | #define ENTSR_CRS 0x10 /* The carrier sense was lost. */ | ||
210 | #define ENTSR_FU 0x20 /* A "FIFO underrun" occurred during transmit. */ | ||
211 | #define ENTSR_CDH 0x40 /* The collision detect "heartbeat" signal was lost. */ | ||
212 | #define ENTSR_OWC 0x80 /* There was an out-of-window collision. */ | ||
213 | |||
214 | #endif /* _8390_h */ | ||