1 /*
2  *  olympic.h (c) 1999 Peter De Schrijver All Rights Reserved
3  *                1999,2000 Mike Phillips (mikep@linuxtr.net)
4  *
5  *  Linux driver for IBM PCI tokenring cards based on the olympic and the PIT/PHY chipset.
6  *
7  *  Base Driver Skeleton:
8  *      Written 1993-94 by Donald Becker.
9  *
10  *      Copyright 1993 United States Government as represented by the
11  *      Director, National Security Agency.
12  *
13  *  This software may be used and distributed according to the terms
14  *  of the GNU General Public License, incorporated herein by reference.
15  */
16 
17 #define CID 0x4e
18 
19 #define BCTL 0x70
20 #define BCTL_SOFTRESET (1<<15)
21 #define BCTL_MIMREB (1<<6)
22 #define BCTL_MODE_INDICATOR (1<<5)
23 
24 #define GPR 0x4a
25 #define GPR_OPTI_BF (1<<6)
26 #define GPR_NEPTUNE_BF (1<<4)
27 #define GPR_AUTOSENSE (1<<2)
28 #define GPR_16MBPS (1<<3)
29 
30 #define PAG 0x85
31 #define LBC 0x8e
32 
33 #define LISR 0x10
34 #define LISR_SUM 0x14
35 #define LISR_RWM 0x18
36 
37 #define LISR_LIE (1<<15)
38 #define LISR_SLIM (1<<13)
39 #define LISR_SLI (1<<12)
40 #define LISR_PCMSRMASK (1<<11)
41 #define LISR_PCMSRINT (1<<10)
42 #define LISR_WOLMASK (1<<9)
43 #define LISR_WOL (1<<8)
44 #define LISR_SRB_CMD (1<<5)
45 #define LISR_ASB_REPLY (1<<4)
46 #define LISR_ASB_FREE_REQ (1<<2)
47 #define LISR_ARB_FREE (1<<1)
48 #define LISR_TRB_FRAME (1<<0)
49 
50 #define SISR 0x20
51 #define SISR_SUM 0x24
52 #define SISR_RWM 0x28
53 #define SISR_RR 0x2C
54 #define SISR_RESMASK 0x30
55 #define SISR_MASK 0x54
56 #define SISR_MASK_SUM 0x58
57 #define SISR_MASK_RWM 0x5C
58 
59 #define SISR_TX2_IDLE (1<<31)
60 #define SISR_TX2_HALT (1<<29)
61 #define SISR_TX2_EOF (1<<28)
62 #define SISR_TX1_IDLE (1<<27)
63 #define SISR_TX1_HALT (1<<25)
64 #define SISR_TX1_EOF (1<<24)
65 #define SISR_TIMEOUT (1<<23)
66 #define SISR_RX_NOBUF (1<<22)
67 #define SISR_RX_STATUS (1<<21)
68 #define SISR_RX_HALT (1<<18)
69 #define SISR_RX_EOF_EARLY (1<<16)
70 #define SISR_MI (1<<15)
71 #define SISR_PI (1<<13)
72 #define SISR_ERR (1<<9)
73 #define SISR_ADAPTER_CHECK (1<<6)
74 #define SISR_SRB_REPLY (1<<5)
75 #define SISR_ASB_FREE (1<<4)
76 #define SISR_ARB_CMD (1<<3)
77 #define SISR_TRB_REPLY (1<<2)
78 
79 #define EISR 0x34
80 #define EISR_RWM 0x38
81 #define EISR_MASK 0x3c
82 #define EISR_MASK_OPTIONS 0x001FFF7F
83 
84 #define LAPA 0x60
85 #define LAPWWO 0x64
86 #define LAPWWC 0x68
87 #define LAPCTL 0x6C
88 #define LAIPD 0x78
89 #define LAIPDDINC 0x7C
90 
91 #define TIMER 0x50
92 
93 #define CLKCTL 0x74
94 #define CLKCTL_PAUSE (1<<15)
95 
96 #define PM_CON 0x4
97 
98 #define BMCTL_SUM 0x40
99 #define BMCTL_RWM 0x44
100 #define BMCTL_TX2_DIS (1<<30)
101 #define BMCTL_TX1_DIS (1<<26)
102 #define BMCTL_RX_DIS (1<<22)
103 
104 #define BMASR 0xcc
105 
106 #define RXDESCQ 0x90
107 #define RXDESCQCNT 0x94
108 #define RXCDA 0x98
109 #define RXENQ 0x9C
110 #define RXSTATQ 0xA0
111 #define RXSTATQCNT 0xA4
112 #define RXCSA 0xA8
113 #define RXCLEN 0xAC
114 #define RXHLEN 0xAE
115 
116 #define TXDESCQ_1 0xb0
117 #define TXDESCQ_2 0xd0
118 #define TXDESCQCNT_1 0xb4
119 #define TXDESCQCNT_2 0xd4
120 #define TXCDA_1 0xb8
121 #define TXCDA_2 0xd8
122 #define TXENQ_1 0xbc
123 #define TXENQ_2 0xdc
124 #define TXSTATQ_1 0xc0
125 #define TXSTATQ_2 0xe0
126 #define TXSTATQCNT_1 0xc4
127 #define TXSTATQCNT_2 0xe4
128 #define TXCSA_1 0xc8
129 #define TXCSA_2 0xe8
130 /* Cardbus */
131 #define FERMASK 0xf4
132 #define FERMASK_INT_BIT (1<<15)
133 
134 #define OLYMPIC_IO_SPACE 256
135 
136 #define SRB_COMMAND_SIZE 50
137 
138 #define OLYMPIC_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */
139 
140 /* Defines for LAN STATUS CHANGE reports */
141 #define LSC_SIG_LOSS 0x8000
142 #define LSC_HARD_ERR 0x4000
143 #define LSC_SOFT_ERR 0x2000
144 #define LSC_TRAN_BCN 0x1000
145 #define LSC_LWF      0x0800
146 #define LSC_ARW      0x0400
147 #define LSC_FPE      0x0200
148 #define LSC_RR       0x0100
149 #define LSC_CO       0x0080
150 #define LSC_SS       0x0040
151 #define LSC_RING_REC 0x0020
152 #define LSC_SR_CO    0x0010
153 #define LSC_FDX_MODE 0x0004
154 
155 /* Defines for OPEN ADAPTER command */
156 
157 #define OPEN_ADAPTER_EXT_WRAP (1<<15)
158 #define OPEN_ADAPTER_DIS_HARDEE (1<<14)
159 #define OPEN_ADAPTER_DIS_SOFTERR (1<<13)
160 #define OPEN_ADAPTER_PASS_ADC_MAC (1<<12)
161 #define OPEN_ADAPTER_PASS_ATT_MAC (1<<11)
162 #define OPEN_ADAPTER_ENABLE_EC (1<<10)
163 #define OPEN_ADAPTER_CONTENDER (1<<8)
164 #define OPEN_ADAPTER_PASS_BEACON (1<<7)
165 #define OPEN_ADAPTER_ENABLE_FDX (1<<6)
166 #define OPEN_ADAPTER_ENABLE_RPL (1<<5)
167 #define OPEN_ADAPTER_INHIBIT_ETR (1<<4)
168 #define OPEN_ADAPTER_INTERNAL_WRAP (1<<3)
169 #define OPEN_ADAPTER_USE_OPTS2 (1<<0)
170 
171 #define OPEN_ADAPTER_2_ENABLE_ONNOW (1<<15)
172 
173 /* Defines for SRB Commands */
174 
175 #define SRB_ACCESS_REGISTER 0x1f
176 #define SRB_CLOSE_ADAPTER 0x04
177 #define SRB_CONFIGURE_BRIDGE 0x0c
178 #define SRB_CONFIGURE_WAKEUP_EVENT 0x1a
179 #define SRB_MODIFY_BRIDGE_PARMS 0x15
180 #define SRB_MODIFY_OPEN_OPTIONS 0x01
181 #define SRB_MODIFY_RECEIVE_OPTIONS 0x17
182 #define SRB_NO_OPERATION 0x00
183 #define SRB_OPEN_ADAPTER 0x03
184 #define SRB_READ_LOG 0x08
185 #define SRB_READ_SR_COUNTERS 0x16
186 #define SRB_RESET_GROUP_ADDRESS 0x02
187 #define SRB_SAVE_CONFIGURATION 0x1b
188 #define SRB_SET_BRIDGE_PARMS 0x09
189 #define SRB_SET_BRIDGE_TARGETS 0x10
190 #define SRB_SET_FUNC_ADDRESS 0x07
191 #define SRB_SET_GROUP_ADDRESS 0x06
192 #define SRB_SET_GROUP_ADDR_OPTIONS 0x11
193 #define SRB_UPDATE_WAKEUP_PATTERN 0x19
194 
195 /* Clear return code */
196 
197 #define OLYMPIC_CLEAR_RET_CODE 0xfe
198 
199 /* ARB Commands */
200 #define ARB_RECEIVE_DATA 0x81
201 #define ARB_LAN_CHANGE_STATUS 0x84
202 /* ASB Response commands */
203 
204 #define ASB_RECEIVE_DATA 0x81
205 
206 
207 /* Olympic defaults for buffers */
208 
209 #define OLYMPIC_RX_RING_SIZE 16 /* should be a power of 2 */
210 #define OLYMPIC_TX_RING_SIZE 8 /* should be a power of 2 */
211 
212 #define PKT_BUF_SZ 4096 /* Default packet size */
213 
214 /* Olympic data structures */
215 
216 /* xxxx These structures are all little endian in hardware. */
217 
218 struct olympic_tx_desc {
219 	u32 buffer;
220 	u32 status_length;
221 };
222 
223 struct olympic_tx_status {
224 	u32 status;
225 };
226 
227 struct olympic_rx_desc {
228 	u32 buffer;
229 	u32 res_length;
230 };
231 
232 struct olympic_rx_status {
233 	u32 fragmentcnt_framelen;
234 	u32 status_buffercnt;
235 };
236 /* xxxx END These structures are all little endian in hardware. */
237 /* xxxx There may be more, but I'm pretty sure about these */
238 
239 struct mac_receive_buffer {
240 	u16 next ;
241 	u8 padding ;
242 	u8 frame_status ;
243 	u16 buffer_length ;
244 	u8 frame_data ;
245 };
246 
247 struct olympic_private {
248 
249 	u16 srb;      /* be16 */
250 	u16 trb;      /* be16 */
251 	u16 arb;      /* be16 */
252 	u16 asb;      /* be16 */
253 
254 	u8 *olympic_mmio;
255 	u8 *olympic_lap;
256 	struct pci_dev *pdev ;
257 	char *olympic_card_name ;
258 
259 	spinlock_t olympic_lock ;
260 
261 	volatile int srb_queued;    /* True if an SRB is still posted */
262 	wait_queue_head_t srb_wait;
263 
264 	volatile int asb_queued;    /* True if an ASB is posted */
265 
266 	volatile int trb_queued;   /* True if a TRB is posted */
267 	wait_queue_head_t trb_wait ;
268 
269 	/* These must be on a 4 byte boundary. */
270 	struct olympic_rx_desc olympic_rx_ring[OLYMPIC_RX_RING_SIZE];
271 	struct olympic_tx_desc olympic_tx_ring[OLYMPIC_TX_RING_SIZE];
272 	struct olympic_rx_status olympic_rx_status_ring[OLYMPIC_RX_RING_SIZE];
273 	struct olympic_tx_status olympic_tx_status_ring[OLYMPIC_TX_RING_SIZE];
274 
275 	struct sk_buff *tx_ring_skb[OLYMPIC_TX_RING_SIZE], *rx_ring_skb[OLYMPIC_RX_RING_SIZE];
276 	int tx_ring_free, tx_ring_last_status, rx_ring_last_received,rx_status_last_received, free_tx_ring_entries;
277 
278 	struct net_device_stats olympic_stats ;
279 	u16 olympic_lan_status ;
280 	u8 olympic_ring_speed ;
281 	u16 pkt_buf_sz ;
282 	u8 olympic_receive_options, olympic_copy_all_options,olympic_message_level, olympic_network_monitor;
283 	u16 olympic_addr_table_addr, olympic_parms_addr ;
284 	u8 olympic_laa[6] ;
285 	u32 rx_ring_dma_addr;
286 	u32 rx_status_ring_dma_addr;
287 	u32 tx_ring_dma_addr;
288 	u32 tx_status_ring_dma_addr;
289 };
290 
291 struct olympic_adapter_addr_table {
292 
293 	u8 node_addr[6] ;
294 	u8 reserved[4] ;
295 	u8 func_addr[4] ;
296 } ;
297 
298 struct olympic_parameters_table {
299 
300 	u8  phys_addr[4] ;
301 	u8  up_node_addr[6] ;
302 	u8  up_phys_addr[4] ;
303 	u8  poll_addr[6] ;
304 	u16 reserved ;
305 	u16 acc_priority ;
306 	u16 auth_source_class ;
307 	u16 att_code ;
308 	u8  source_addr[6] ;
309 	u16 beacon_type ;
310 	u16 major_vector ;
311 	u16 lan_status ;
312 	u16 soft_error_time ;
313  	u16 reserved1 ;
314 	u16 local_ring ;
315 	u16 mon_error ;
316 	u16 beacon_transmit ;
317 	u16 beacon_receive ;
318 	u16 frame_correl ;
319 	u8  beacon_naun[6] ;
320 	u32 reserved2 ;
321 	u8  beacon_phys[4] ;
322 };
323