treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / ethernet / tundra / tsi108_eth.h
blob00980fdf0323335d328c48027bf9e413c121a546
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * (C) Copyright 2005 Tundra Semiconductor Corp.
4 * Kong Lai, <kong.lai@tundra.com).
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 */
11 * net/tsi108_eth.h - definitions for Tsi108 GIGE network controller.
14 #ifndef __TSI108_ETH_H
15 #define __TSI108_ETH_H
17 #include <linux/types.h>
19 #define TSI_WRITE(offset, val) \
20 out_be32((data->regs + (offset)), val)
22 #define TSI_READ(offset) \
23 in_be32((data->regs + (offset)))
25 #define TSI_WRITE_PHY(offset, val) \
26 out_be32((data->phyregs + (offset)), val)
28 #define TSI_READ_PHY(offset) \
29 in_be32((data->phyregs + (offset)))
32 * TSI108 GIGE port registers
35 #define TSI108_ETH_PORT_NUM 2
36 #define TSI108_PBM_PORT 2
37 #define TSI108_SDRAM_PORT 4
39 #define TSI108_MAC_CFG1 (0x000)
40 #define TSI108_MAC_CFG1_SOFTRST (1 << 31)
41 #define TSI108_MAC_CFG1_LOOPBACK (1 << 8)
42 #define TSI108_MAC_CFG1_RXEN (1 << 2)
43 #define TSI108_MAC_CFG1_TXEN (1 << 0)
45 #define TSI108_MAC_CFG2 (0x004)
46 #define TSI108_MAC_CFG2_DFLT_PREAMBLE (7 << 12)
47 #define TSI108_MAC_CFG2_IFACE_MASK (3 << 8)
48 #define TSI108_MAC_CFG2_NOGIG (1 << 8)
49 #define TSI108_MAC_CFG2_GIG (2 << 8)
50 #define TSI108_MAC_CFG2_PADCRC (1 << 2)
51 #define TSI108_MAC_CFG2_FULLDUPLEX (1 << 0)
53 #define TSI108_MAC_MII_MGMT_CFG (0x020)
54 #define TSI108_MAC_MII_MGMT_CLK (7 << 0)
55 #define TSI108_MAC_MII_MGMT_RST (1 << 31)
57 #define TSI108_MAC_MII_CMD (0x024)
58 #define TSI108_MAC_MII_CMD_READ (1 << 0)
60 #define TSI108_MAC_MII_ADDR (0x028)
61 #define TSI108_MAC_MII_ADDR_REG 0
62 #define TSI108_MAC_MII_ADDR_PHY 8
64 #define TSI108_MAC_MII_DATAOUT (0x02c)
65 #define TSI108_MAC_MII_DATAIN (0x030)
67 #define TSI108_MAC_MII_IND (0x034)
68 #define TSI108_MAC_MII_IND_NOTVALID (1 << 2)
69 #define TSI108_MAC_MII_IND_SCANNING (1 << 1)
70 #define TSI108_MAC_MII_IND_BUSY (1 << 0)
72 #define TSI108_MAC_IFCTRL (0x038)
73 #define TSI108_MAC_IFCTRL_PHYMODE (1 << 24)
75 #define TSI108_MAC_ADDR1 (0x040)
76 #define TSI108_MAC_ADDR2 (0x044)
78 #define TSI108_STAT_RXBYTES (0x06c)
79 #define TSI108_STAT_RXBYTES_CARRY (1 << 24)
81 #define TSI108_STAT_RXPKTS (0x070)
82 #define TSI108_STAT_RXPKTS_CARRY (1 << 18)
84 #define TSI108_STAT_RXFCS (0x074)
85 #define TSI108_STAT_RXFCS_CARRY (1 << 12)
87 #define TSI108_STAT_RXMCAST (0x078)
88 #define TSI108_STAT_RXMCAST_CARRY (1 << 18)
90 #define TSI108_STAT_RXALIGN (0x08c)
91 #define TSI108_STAT_RXALIGN_CARRY (1 << 12)
93 #define TSI108_STAT_RXLENGTH (0x090)
94 #define TSI108_STAT_RXLENGTH_CARRY (1 << 12)
96 #define TSI108_STAT_RXRUNT (0x09c)
97 #define TSI108_STAT_RXRUNT_CARRY (1 << 12)
99 #define TSI108_STAT_RXJUMBO (0x0a0)
100 #define TSI108_STAT_RXJUMBO_CARRY (1 << 12)
102 #define TSI108_STAT_RXFRAG (0x0a4)
103 #define TSI108_STAT_RXFRAG_CARRY (1 << 12)
105 #define TSI108_STAT_RXJABBER (0x0a8)
106 #define TSI108_STAT_RXJABBER_CARRY (1 << 12)
108 #define TSI108_STAT_RXDROP (0x0ac)
109 #define TSI108_STAT_RXDROP_CARRY (1 << 12)
111 #define TSI108_STAT_TXBYTES (0x0b0)
112 #define TSI108_STAT_TXBYTES_CARRY (1 << 24)
114 #define TSI108_STAT_TXPKTS (0x0b4)
115 #define TSI108_STAT_TXPKTS_CARRY (1 << 18)
117 #define TSI108_STAT_TXEXDEF (0x0c8)
118 #define TSI108_STAT_TXEXDEF_CARRY (1 << 12)
120 #define TSI108_STAT_TXEXCOL (0x0d8)
121 #define TSI108_STAT_TXEXCOL_CARRY (1 << 12)
123 #define TSI108_STAT_TXTCOL (0x0dc)
124 #define TSI108_STAT_TXTCOL_CARRY (1 << 13)
126 #define TSI108_STAT_TXPAUSEDROP (0x0e4)
127 #define TSI108_STAT_TXPAUSEDROP_CARRY (1 << 12)
129 #define TSI108_STAT_CARRY1 (0x100)
130 #define TSI108_STAT_CARRY1_RXBYTES (1 << 16)
131 #define TSI108_STAT_CARRY1_RXPKTS (1 << 15)
132 #define TSI108_STAT_CARRY1_RXFCS (1 << 14)
133 #define TSI108_STAT_CARRY1_RXMCAST (1 << 13)
134 #define TSI108_STAT_CARRY1_RXALIGN (1 << 8)
135 #define TSI108_STAT_CARRY1_RXLENGTH (1 << 7)
136 #define TSI108_STAT_CARRY1_RXRUNT (1 << 4)
137 #define TSI108_STAT_CARRY1_RXJUMBO (1 << 3)
138 #define TSI108_STAT_CARRY1_RXFRAG (1 << 2)
139 #define TSI108_STAT_CARRY1_RXJABBER (1 << 1)
140 #define TSI108_STAT_CARRY1_RXDROP (1 << 0)
142 #define TSI108_STAT_CARRY2 (0x104)
143 #define TSI108_STAT_CARRY2_TXBYTES (1 << 13)
144 #define TSI108_STAT_CARRY2_TXPKTS (1 << 12)
145 #define TSI108_STAT_CARRY2_TXEXDEF (1 << 7)
146 #define TSI108_STAT_CARRY2_TXEXCOL (1 << 3)
147 #define TSI108_STAT_CARRY2_TXTCOL (1 << 2)
148 #define TSI108_STAT_CARRY2_TXPAUSE (1 << 0)
150 #define TSI108_STAT_CARRYMASK1 (0x108)
151 #define TSI108_STAT_CARRYMASK2 (0x10c)
153 #define TSI108_EC_PORTCTRL (0x200)
154 #define TSI108_EC_PORTCTRL_STATRST (1 << 31)
155 #define TSI108_EC_PORTCTRL_STATEN (1 << 28)
156 #define TSI108_EC_PORTCTRL_NOGIG (1 << 18)
157 #define TSI108_EC_PORTCTRL_HALFDUPLEX (1 << 16)
159 #define TSI108_EC_INTSTAT (0x204)
160 #define TSI108_EC_INTMASK (0x208)
162 #define TSI108_INT_ANY (1 << 31)
163 #define TSI108_INT_SFN (1 << 30)
164 #define TSI108_INT_RXIDLE (1 << 29)
165 #define TSI108_INT_RXABORT (1 << 28)
166 #define TSI108_INT_RXERROR (1 << 27)
167 #define TSI108_INT_RXOVERRUN (1 << 26)
168 #define TSI108_INT_RXTHRESH (1 << 25)
169 #define TSI108_INT_RXWAIT (1 << 24)
170 #define TSI108_INT_RXQUEUE0 (1 << 16)
171 #define TSI108_INT_STATCARRY (1 << 15)
172 #define TSI108_INT_TXIDLE (1 << 13)
173 #define TSI108_INT_TXABORT (1 << 12)
174 #define TSI108_INT_TXERROR (1 << 11)
175 #define TSI108_INT_TXUNDERRUN (1 << 10)
176 #define TSI108_INT_TXTHRESH (1 << 9)
177 #define TSI108_INT_TXWAIT (1 << 8)
178 #define TSI108_INT_TXQUEUE0 (1 << 0)
180 #define TSI108_EC_TXCFG (0x220)
181 #define TSI108_EC_TXCFG_RST (1 << 31)
183 #define TSI108_EC_TXCTRL (0x224)
184 #define TSI108_EC_TXCTRL_IDLEINT (1 << 31)
185 #define TSI108_EC_TXCTRL_ABORT (1 << 30)
186 #define TSI108_EC_TXCTRL_GO (1 << 15)
187 #define TSI108_EC_TXCTRL_QUEUE0 (1 << 0)
189 #define TSI108_EC_TXSTAT (0x228)
190 #define TSI108_EC_TXSTAT_ACTIVE (1 << 15)
191 #define TSI108_EC_TXSTAT_QUEUE0 (1 << 0)
193 #define TSI108_EC_TXESTAT (0x22c)
194 #define TSI108_EC_TXESTAT_Q0_ERR (1 << 24)
195 #define TSI108_EC_TXESTAT_Q0_DESCINT (1 << 16)
196 #define TSI108_EC_TXESTAT_Q0_EOF (1 << 8)
197 #define TSI108_EC_TXESTAT_Q0_EOQ (1 << 0)
199 #define TSI108_EC_TXERR (0x278)
201 #define TSI108_EC_TXQ_CFG (0x280)
202 #define TSI108_EC_TXQ_CFG_DESC_INT (1 << 20)
203 #define TSI108_EC_TXQ_CFG_EOQ_OWN_INT (1 << 19)
204 #define TSI108_EC_TXQ_CFG_WSWP (1 << 11)
205 #define TSI108_EC_TXQ_CFG_BSWP (1 << 10)
206 #define TSI108_EC_TXQ_CFG_SFNPORT 0
208 #define TSI108_EC_TXQ_BUFCFG (0x284)
209 #define TSI108_EC_TXQ_BUFCFG_BURST8 (0 << 8)
210 #define TSI108_EC_TXQ_BUFCFG_BURST32 (1 << 8)
211 #define TSI108_EC_TXQ_BUFCFG_BURST128 (2 << 8)
212 #define TSI108_EC_TXQ_BUFCFG_BURST256 (3 << 8)
213 #define TSI108_EC_TXQ_BUFCFG_WSWP (1 << 11)
214 #define TSI108_EC_TXQ_BUFCFG_BSWP (1 << 10)
215 #define TSI108_EC_TXQ_BUFCFG_SFNPORT 0
217 #define TSI108_EC_TXQ_PTRLOW (0x288)
219 #define TSI108_EC_TXQ_PTRHIGH (0x28c)
220 #define TSI108_EC_TXQ_PTRHIGH_VALID (1 << 31)
222 #define TSI108_EC_TXTHRESH (0x230)
223 #define TSI108_EC_TXTHRESH_STARTFILL 0
224 #define TSI108_EC_TXTHRESH_STOPFILL 16
226 #define TSI108_EC_RXCFG (0x320)
227 #define TSI108_EC_RXCFG_RST (1 << 31)
229 #define TSI108_EC_RXSTAT (0x328)
230 #define TSI108_EC_RXSTAT_ACTIVE (1 << 15)
231 #define TSI108_EC_RXSTAT_QUEUE0 (1 << 0)
233 #define TSI108_EC_RXESTAT (0x32c)
234 #define TSI108_EC_RXESTAT_Q0_ERR (1 << 24)
235 #define TSI108_EC_RXESTAT_Q0_DESCINT (1 << 16)
236 #define TSI108_EC_RXESTAT_Q0_EOF (1 << 8)
237 #define TSI108_EC_RXESTAT_Q0_EOQ (1 << 0)
239 #define TSI108_EC_HASHADDR (0x360)
240 #define TSI108_EC_HASHADDR_AUTOINC (1 << 31)
241 #define TSI108_EC_HASHADDR_DO1STREAD (1 << 30)
242 #define TSI108_EC_HASHADDR_UNICAST (0 << 4)
243 #define TSI108_EC_HASHADDR_MCAST (1 << 4)
245 #define TSI108_EC_HASHDATA (0x364)
247 #define TSI108_EC_RXQ_PTRLOW (0x388)
249 #define TSI108_EC_RXQ_PTRHIGH (0x38c)
250 #define TSI108_EC_RXQ_PTRHIGH_VALID (1 << 31)
252 /* Station Enable -- accept packets destined for us */
253 #define TSI108_EC_RXCFG_SE (1 << 13)
254 /* Unicast Frame Enable -- for packets not destined for us */
255 #define TSI108_EC_RXCFG_UFE (1 << 12)
256 /* Multicast Frame Enable */
257 #define TSI108_EC_RXCFG_MFE (1 << 11)
258 /* Broadcast Frame Enable */
259 #define TSI108_EC_RXCFG_BFE (1 << 10)
260 #define TSI108_EC_RXCFG_UC_HASH (1 << 9)
261 #define TSI108_EC_RXCFG_MC_HASH (1 << 8)
263 #define TSI108_EC_RXQ_CFG (0x380)
264 #define TSI108_EC_RXQ_CFG_DESC_INT (1 << 20)
265 #define TSI108_EC_RXQ_CFG_EOQ_OWN_INT (1 << 19)
266 #define TSI108_EC_RXQ_CFG_WSWP (1 << 11)
267 #define TSI108_EC_RXQ_CFG_BSWP (1 << 10)
268 #define TSI108_EC_RXQ_CFG_SFNPORT 0
270 #define TSI108_EC_RXQ_BUFCFG (0x384)
271 #define TSI108_EC_RXQ_BUFCFG_BURST8 (0 << 8)
272 #define TSI108_EC_RXQ_BUFCFG_BURST32 (1 << 8)
273 #define TSI108_EC_RXQ_BUFCFG_BURST128 (2 << 8)
274 #define TSI108_EC_RXQ_BUFCFG_BURST256 (3 << 8)
275 #define TSI108_EC_RXQ_BUFCFG_WSWP (1 << 11)
276 #define TSI108_EC_RXQ_BUFCFG_BSWP (1 << 10)
277 #define TSI108_EC_RXQ_BUFCFG_SFNPORT 0
279 #define TSI108_EC_RXCTRL (0x324)
280 #define TSI108_EC_RXCTRL_ABORT (1 << 30)
281 #define TSI108_EC_RXCTRL_GO (1 << 15)
282 #define TSI108_EC_RXCTRL_QUEUE0 (1 << 0)
284 #define TSI108_EC_RXERR (0x378)
286 #define TSI108_TX_EOF (1 << 0) /* End of frame; last fragment of packet */
287 #define TSI108_TX_SOF (1 << 1) /* Start of frame; first frag. of packet */
288 #define TSI108_TX_VLAN (1 << 2) /* Per-frame VLAN: enables VLAN override */
289 #define TSI108_TX_HUGE (1 << 3) /* Huge frame enable */
290 #define TSI108_TX_PAD (1 << 4) /* Pad the packet if too short */
291 #define TSI108_TX_CRC (1 << 5) /* Generate CRC for this packet */
292 #define TSI108_TX_INT (1 << 14) /* Generate an IRQ after frag. processed */
293 #define TSI108_TX_RETRY (0xf << 16) /* 4 bit field indicating num. of retries */
294 #define TSI108_TX_COL (1 << 20) /* Set if a collision occurred */
295 #define TSI108_TX_LCOL (1 << 24) /* Set if a late collision occurred */
296 #define TSI108_TX_UNDER (1 << 25) /* Set if a FIFO underrun occurred */
297 #define TSI108_TX_RLIM (1 << 26) /* Set if the retry limit was reached */
298 #define TSI108_TX_OK (1 << 30) /* Set if the frame TX was successful */
299 #define TSI108_TX_OWN (1 << 31) /* Set if the device owns the descriptor */
301 /* Note: the descriptor layouts assume big-endian byte order. */
302 typedef struct {
303 u32 buf0;
304 u32 buf1; /* Base address of buffer */
305 u32 next0; /* Address of next descriptor, if any */
306 u32 next1;
307 u16 vlan; /* VLAN, if override enabled for this packet */
308 u16 len; /* Length of buffer in bytes */
309 u32 misc; /* See TSI108_TX_* above */
310 u32 reserved0; /*reserved0 and reserved1 are added to make the desc */
311 u32 reserved1; /* 32-byte aligned */
312 } __attribute__ ((aligned(32))) tx_desc;
314 #define TSI108_RX_EOF (1 << 0) /* End of frame; last fragment of packet */
315 #define TSI108_RX_SOF (1 << 1) /* Start of frame; first frag. of packet */
316 #define TSI108_RX_VLAN (1 << 2) /* Set on SOF if packet has a VLAN */
317 #define TSI108_RX_FTYPE (1 << 3) /* Length/Type field is type, not length */
318 #define TSI108_RX_RUNT (1 << 4)/* Packet is less than minimum size */
319 #define TSI108_RX_HASH (1 << 7)/* Hash table match */
320 #define TSI108_RX_BAD (1 << 8) /* Bad frame */
321 #define TSI108_RX_OVER (1 << 9) /* FIFO overrun occurred */
322 #define TSI108_RX_TRUNC (1 << 11) /* Packet truncated due to excess length */
323 #define TSI108_RX_CRC (1 << 12) /* Packet had a CRC error */
324 #define TSI108_RX_INT (1 << 13) /* Generate an IRQ after frag. processed */
325 #define TSI108_RX_OWN (1 << 15) /* Set if the device owns the descriptor */
327 #define TSI108_RX_SKB_SIZE 1536 /* The RX skb length */
329 typedef struct {
330 u32 buf0; /* Base address of buffer */
331 u32 buf1; /* Base address of buffer */
332 u32 next0; /* Address of next descriptor, if any */
333 u32 next1; /* Address of next descriptor, if any */
334 u16 vlan; /* VLAN of received packet, first frag only */
335 u16 len; /* Length of received fragment in bytes */
336 u16 blen; /* Length of buffer in bytes */
337 u16 misc; /* See TSI108_RX_* above */
338 u32 reserved0; /* reserved0 and reserved1 are added to make the desc */
339 u32 reserved1; /* 32-byte aligned */
340 } __attribute__ ((aligned(32))) rx_desc;
342 #endif /* __TSI108_ETH_H */