1 /*- 2 * Copyright (c) 2008, 2009, 2010 Nikolay Denev <ndenev@gmail.com> 3 * Copyright (c) 2007, 2008 Alexander Pohoyda <alexander.pohoyda@gmx.net> 4 * Copyright (c) 1997, 1998, 1999 5 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AUTHORS OR 26 * THE VOICES IN THEIR HEADS BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 33 * OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 * $FreeBSD$ 36 */ 37 38 #ifndef _IF_SGEREG_H 39 #define _IF_SGEREG_H 40 41 /* 42 * SiS PCI vendor ID. 43 */ 44 #define SIS_VENDORID 0x1039 45 46 /* 47 * SiS PCI device IDs 48 */ 49 #define SIS_DEVICEID_190 0x0190 50 #define SIS_DEVICEID_191 0x0191 51 52 #define TX_CTL 0x00 53 #define TX_DESC 0x04 54 #define Reserved0 0x08 55 #define TX_NEXT 0x0c 56 57 #define RX_CTL 0x10 58 #define RX_DESC 0x14 59 #define Reserved1 0x18 60 #define RX_NEXT 0x1c 61 62 #define IntrStatus 0x20 63 #define IntrMask 0x24 64 #define IntrControl 0x28 65 #define IntrTimer 0x2c 66 67 #define PMControl 0x30 68 #define Reserved2 0x34 69 #define ROMControl 0x38 70 #define ROMInterface 0x3c 71 #define StationControl 0x40 72 #define GMIIControl 0x44 73 #define GMacIOCR 0x48 74 #define GMacIOCTL 0x4c 75 #define TxMacControl 0x50 76 #define TxMacTimeLimit 0x54 77 #define RGMIIDelay 0x58 78 #define Reserved3 0x5c 79 #define RxMacControl 0x60 /* 1 WORD */ 80 #define RxMacAddr 0x62 /* 6x BYTE */ 81 #define RxHashTable 0x68 /* 1 LONG */ 82 #define RxHashTable2 0x6c /* 1 LONG */ 83 #define RxWakeOnLan 0x70 84 #define RxWakeOnLanData 0x74 85 #define RxMPSControl 0x78 86 #define Reserved4 0x7c 87 88 /* 89 * IntrStatus Register Content 90 */ 91 #define INTR_SOFT 0x40000000 92 #define INTR_TIMER 0x20000000 93 #define INTR_PAUSE_FRAME 0x00080000 94 #define INTR_MAGIC_FRAME 0x00040000 95 #define INTR_WAKE_FRAME 0x00020000 96 #define INTR_LINK 0x00010000 97 #define INTR_RX_IDLE 0x00000080 98 #define INTR_RX_DONE 0x00000040 99 #define INTR_TXQ1_IDLE 0x00000020 100 #define INTR_TXQ1_DONE 0x00000010 101 #define INTR_TX_IDLE 0x00000008 102 #define INTR_TX_DONE 0x00000004 103 #define INTR_RX_HALT 0x00000002 104 #define INTR_TX_HALT 0x00000001 105 106 #define SGE_INTRS \ 107 (INTR_RX_IDLE | INTR_RX_DONE | INTR_TXQ1_IDLE | \ 108 INTR_TXQ1_DONE |INTR_TX_IDLE | INTR_TX_DONE | \ 109 INTR_TX_HALT | INTR_RX_HALT) 110 111 /* 112 * RxStatusDesc Register Content 113 */ 114 #define RxRES 0x00200000 115 #define RxCRC 0x00080000 116 #define RxRUNT 0x00100000 117 #define RxRWT 0x00400000 118 119 /* 120 * RX_CTL Register Content 121 */ 122 #define RX_CTL_POLL 0x00000010 123 #define RX_CTL_ENB 0x00000001 124 125 /* 126 * TX_CTL Register Content 127 */ 128 #define TX_CTL_POLL 0x00000010 129 #define TX_CTL_ENB 0x00000001 130 131 /* 132 * RxMacControl Register Content 133 */ 134 #define AcceptBroadcast 0x0800 135 #define AcceptMulticast 0x0400 136 #define AcceptMyPhys 0x0200 137 #define AcceptAllPhys 0x0100 138 #define AcceptErr 0x0020 139 #define AcceptRunt 0x0010 140 #define RXMAC_STRIP_VLAN 0x0020 141 #define RXMAC_STRIP_FCS 0x0010 142 #define RXMAC_PAD_ENB 0x0004 143 #define RXMAC_CSUM_ENB 0x0002 144 145 #define SGE_RX_PAD_BYTES 10 146 147 /* Station control register. */ 148 #define SC_LOOPBACK 0x80000000 149 #define SC_RGMII 0x00008000 150 #define SC_FDX 0x00001000 151 #define SC_SPEED_MASK 0x00000c00 152 #define SC_SPEED_10 0x00000400 153 #define SC_SPEED_100 0x00000800 154 #define SC_SPEED_1000 0x00000c00 155 156 /* 157 * Gigabit Media Independent Interface CTL register 158 */ 159 #define GMI_DATA 0xffff0000 160 #define GMI_DATA_SHIFT 16 161 #define GMI_REG 0x0000f800 162 #define GMI_REG_SHIFT 11 163 #define GMI_PHY 0x000007c0 164 #define GMI_PHY_SHIFT 6 165 #define GMI_OP_WR 0x00000020 166 #define GMI_OP_RD 0x00000000 167 #define GMI_REQ 0x00000010 168 #define GMI_MDIO 0x00000008 169 #define GMI_MDDIR 0x00000004 170 #define GMI_MDC 0x00000002 171 #define GMI_MDEN 0x00000001 172 173 /* Tx descriptor command bits. */ 174 #define TDC_OWN 0x80000000 175 #define TDC_INTR 0x40000000 176 #define TDC_THOL3 0x30000000 177 #define TDC_THOL2 0x20000000 178 #define TDC_THOL1 0x10000000 179 #define TDC_THOL0 0x00000000 180 #define TDC_LS 0x08000000 181 #define TDC_IP_CSUM 0x04000000 182 #define TDC_TCP_CSUM 0x02000000 183 #define TDC_UDP_CSUM 0x01000000 184 #define TDC_BST 0x00800000 185 #define TDC_EXT 0x00400000 186 #define TDC_DEF 0x00200000 187 #define TDC_BKF 0x00100000 188 #define TDC_CRS 0x00080000 189 #define TDC_COL 0x00040000 190 #define TDC_CRC 0x00020000 191 #define TDC_PAD 0x00010000 192 #define TDC_VLAN_MASK 0x0000FFFF 193 194 #define SGE_TX_INTR_FRAMES 32 195 196 /* 197 * TX descriptor status bits. 198 */ 199 #define TDS_INS_VLAN 0x80000000 200 #define TDS_OWC 0x00080000 201 #define TDS_ABT 0x00040000 202 #define TDS_FIFO 0x00020000 203 #define TDS_CRS 0x00010000 204 #define TDS_COLLS 0x0000ffff 205 #define SGE_TX_ERROR(x) ((x) & (TDS_OWC | TDS_ABT | TDS_FIFO | TDS_CRS)) 206 #define TX_ERR_BITS "\20" \ 207 "\21CRS\22FIFO\23ABT\24OWC" 208 209 /* Rx descriptor command bits. */ 210 #define RDC_OWN 0x80000000 211 #define RDC_INTR 0x40000000 212 #define RDC_IP_CSUM 0x20000000 213 #define RDC_TCP_CSUM 0x10000000 214 #define RDC_UDP_CSUM 0x08000000 215 #define RDC_IP_CSUM_OK 0x04000000 216 #define RDC_TCP_CSUM_OK 0x02000000 217 #define RDC_UDP_CSUM_OK 0x01000000 218 #define RDC_WAKEUP 0x00400000 219 #define RDC_MAGIC 0x00200000 220 #define RDC_PAUSE 0x00100000 221 #define RDC_BCAST 0x000c0000 222 #define RDC_MCAST 0x00080000 223 #define RDC_UCAST 0x00040000 224 #define RDC_CRCOFF 0x00020000 225 #define RDC_PREADD 0x00010000 226 #define RDC_VLAN_MASK 0x0000FFFF 227 228 /* 229 * RX descriptor status bits 230 */ 231 #define RDS_VLAN 0x80000000 232 #define RDS_DESCS 0x3f000000 233 #define RDS_ABORT 0x00800000 234 #define RDS_SHORT 0x00400000 235 #define RDS_LIMIT 0x00200000 236 #define RDS_MIIER 0x00100000 237 #define RDS_OVRUN 0x00080000 238 #define RDS_NIBON 0x00040000 239 #define RDS_COLON 0x00020000 240 #define RDS_CRCOK 0x00010000 241 #define SGE_RX_ERROR(x) \ 242 ((x) & (RDS_COLON | RDS_NIBON | RDS_OVRUN | RDS_MIIER | \ 243 RDS_LIMIT | RDS_SHORT | RDS_ABORT)) 244 #define SGE_RX_NSEGS(x) (((x) & RDS_DESCS) >> 24) 245 #define RX_ERR_BITS "\20" \ 246 "\21CRCOK\22COLON\23NIBON\24OVRUN" \ 247 "\25MIIER\26LIMIT\27SHORT\30ABORT" \ 248 "\40VLAN" 249 250 #define RING_END 0x80000000 251 #define SGE_RX_BYTES(x) ((x) & 0xFFFF) 252 #define SGE_INC(x, y) (x) = (((x) + 1) % y) 253 254 /* Taken from Solaris driver */ 255 #define EI_DATA 0xffff0000 256 #define EI_DATA_SHIFT 16 257 #define EI_OFFSET 0x0000fc00 258 #define EI_OFFSET_SHIFT 10 259 #define EI_OP 0x00000300 260 #define EI_OP_SHIFT 8 261 #define EI_OP_RD (2 << EI_OP_SHIFT) 262 #define EI_OP_WR (1 << EI_OP_SHIFT) 263 #define EI_REQ 0x00000080 264 #define EI_DO 0x00000008 265 #define EI_DI 0x00000004 266 #define EI_CLK 0x00000002 267 #define EI_CS 0x00000001 268 269 /* 270 * EEPROM Addresses 271 */ 272 #define EEPROMSignature 0x00 273 #define EEPROMCLK 0x01 274 #define EEPROMInfo 0x02 275 #define EEPROMMACAddr 0x03 276 277 struct sge_desc { 278 uint32_t sge_sts_size; 279 uint32_t sge_cmdsts; 280 uint32_t sge_ptr; 281 uint32_t sge_flags; 282 }; 283 284 #define SGE_RX_RING_CNT 256 /* [8, 1024] */ 285 #define SGE_TX_RING_CNT 256 /* [8, 8192] */ 286 #define SGE_DESC_ALIGN 16 287 #define SGE_MAXTXSEGS 32 288 #define SGE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) 289 #define SGE_TSO_MAXSEGSIZE 4096 290 #define SGE_RX_BUF_ALIGN sizeof(uint64_t) 291 292 #define SGE_RX_RING_SZ (SGE_RX_RING_CNT * sizeof(struct sge_desc)) 293 #define SGE_TX_RING_SZ (SGE_TX_RING_CNT * sizeof(struct sge_desc)) 294 #define SGE_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) 295 296 struct sge_list_data { 297 struct sge_desc *sge_rx_ring; 298 struct sge_desc *sge_tx_ring; 299 /* physical bus addresses of sge_rx_ring/sge_tx_ring */ 300 bus_addr_t sge_rx_paddr; 301 bus_addr_t sge_tx_paddr; 302 }; 303 304 struct sge_txdesc { 305 struct mbuf *tx_m; 306 bus_dmamap_t tx_dmamap; 307 int tx_ndesc; 308 }; 309 310 struct sge_rxdesc { 311 struct mbuf *rx_m; 312 bus_dmamap_t rx_dmamap; 313 }; 314 315 struct sge_chain_data { 316 bus_dma_tag_t sge_tag; 317 bus_dma_tag_t sge_rx_tag; 318 bus_dma_tag_t sge_tx_tag; 319 bus_dmamap_t sge_rx_dmamap; 320 bus_dmamap_t sge_tx_dmamap; 321 bus_dma_tag_t sge_txmbuf_tag; 322 bus_dma_tag_t sge_rxmbuf_tag; 323 struct sge_txdesc sge_txdesc[SGE_TX_RING_CNT]; 324 struct sge_rxdesc sge_rxdesc[SGE_RX_RING_CNT]; 325 bus_dmamap_t sge_rx_spare_map; 326 int sge_rx_cons; 327 int sge_tx_prod; 328 int sge_tx_cons; 329 int sge_tx_cnt; 330 }; 331 332 struct sge_type { 333 uint16_t sge_vid; 334 uint16_t sge_did; 335 char *sge_name; 336 }; 337 338 struct sge_softc { 339 struct ifnet *sge_ifp; /* interface info */ 340 struct resource *sge_res; 341 int sge_res_id; 342 int sge_res_type; 343 struct resource *sge_irq; 344 void *sge_intrhand; 345 device_t sge_dev; 346 device_t sge_miibus; 347 uint8_t sge_rev; 348 struct sge_list_data sge_ldata; 349 struct sge_chain_data sge_cdata; 350 struct callout sge_stat_ch; 351 int sge_timer; 352 int sge_flags; 353 #define SGE_FLAG_FASTETHER 0x0001 354 #define SGE_FLAG_SIS190 0x0002 355 #define SGE_FLAG_RGMII 0x0010 356 #define SGE_FLAG_SPEED_1000 0x2000 357 #define SGE_FLAG_FDX 0x4000 358 #define SGE_FLAG_LINK 0x8000 359 int sge_if_flags; 360 int sge_intrcontrol; 361 int sge_intrtimer; 362 struct mtx sge_mtx; 363 }; 364 365 #define SGE_LOCK(_sc) mtx_lock(&(_sc)->sge_mtx) 366 #define SGE_UNLOCK(_sc) mtx_unlock(&(_sc)->sge_mtx) 367 #define SGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sge_mtx, MA_OWNED) 368 369 #define SGE_TIMEOUT 1000 370 371 #endif /* _IF_SGEREG_H */ 372