![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to pcnet_cs.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [GnuMach] / Gnu-Mach / linux / pcmcia-cs / clients|
Return to pcnet_cs.c CVS log | Up to [GnuMach] / Gnu-Mach / linux / pcmcia-cs / clients |
1.1 ! root 1: /*====================================================================== ! 2: ! 3: A PCMCIA ethernet driver for NS8390-based cards ! 4: ! 5: This driver supports the D-Link DE-650 and Linksys EthernetCard ! 6: cards, the newer D-Link and Linksys combo cards, Accton EN2212 ! 7: cards, the RPTI EP400, and the PreMax PE-200 in non-shared-memory ! 8: mode, and the IBM Credit Card Adapter, the NE4100, the Thomas ! 9: Conrad ethernet card, and the Kingston KNE-PCM/x in shared-memory ! 10: mode. It will also handle the Socket EA card in either mode. ! 11: ! 12: Copyright (C) 1999 David A. Hinds -- [email protected] ! 13: ! 14: pcnet_cs.c 1.153 2003/11/09 18:53:09 ! 15: ! 16: The network driver code is based on Donald Becker's NE2000 code: ! 17: ! 18: Written 1992,1993 by Donald Becker. ! 19: Copyright 1993 United States Government as represented by the ! 20: Director, National Security Agency. This software may be used and ! 21: distributed according to the terms of the GNU General Public License, ! 22: incorporated herein by reference. ! 23: Donald Becker may be reached at [email protected] ! 24: ! 25: Based also on Keith Moore's changes to Don Becker's code, for IBM ! 26: CCAE support. Drivers merged back together, and shared-memory ! 27: Socket EA support added, by Ken Raeburn, September 1995. ! 28: ! 29: ======================================================================*/ ! 30: ! 31: #include <linux/kernel.h> ! 32: #include <linux/module.h> ! 33: #include <linux/init.h> ! 34: #include <linux/sched.h> ! 35: #include <linux/ptrace.h> ! 36: #include <linux/slab.h> ! 37: #include <linux/string.h> ! 38: #include <linux/timer.h> ! 39: #include <linux/delay.h> ! 40: #include <asm/io.h> ! 41: #include <asm/system.h> ! 42: #include <asm/byteorder.h> ! 43: #include <asm/uaccess.h> ! 44: ! 45: #include <linux/netdevice.h> ! 46: #include <../drivers/net/8390.h> ! 47: ! 48: #include <pcmcia/version.h> ! 49: #include <pcmcia/cs_types.h> ! 50: #include <pcmcia/cs.h> ! 51: #include <pcmcia/cistpl.h> ! 52: #include <pcmcia/ciscode.h> ! 53: #include <pcmcia/ds.h> ! 54: #include <pcmcia/cisreg.h> ! 55: ! 56: #define PCNET_CMD 0x00 ! 57: #define PCNET_DATAPORT 0x10 /* NatSemi-defined port window offset. */ ! 58: #define PCNET_RESET 0x1f /* Issue a read to reset, a write to clear. */ ! 59: #define PCNET_MISC 0x18 /* For IBM CCAE and Socket EA cards */ ! 60: ! 61: #define PCNET_START_PG 0x40 /* First page of TX buffer */ ! 62: #define PCNET_STOP_PG 0x80 /* Last page +1 of RX ring */ ! 63: ! 64: /* Socket EA cards have a larger packet buffer */ ! 65: #define SOCKET_START_PG 0x01 ! 66: #define SOCKET_STOP_PG 0xff ! 67: ! 68: #define PCNET_RDC_TIMEOUT (2*HZ/100) /* Max wait in jiffies for Tx RDC */ ! 69: ! 70: static char *if_names[] = { "auto", "10baseT", "10base2"}; ! 71: ! 72: #ifdef PCMCIA_DEBUG ! 73: static int pc_debug = PCMCIA_DEBUG; ! 74: MODULE_PARM(pc_debug, "i"); ! 75: #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) ! 76: static char *version = ! 77: "pcnet_cs.c 1.153 2003/11/09 18:53:09 (David Hinds)"; ! 78: #else ! 79: #define DEBUG(n, args...) ! 80: #endif ! 81: ! 82: /*====================================================================*/ ! 83: ! 84: /* Module parameters */ ! 85: ! 86: MODULE_AUTHOR("David Hinds <[email protected]>"); ! 87: MODULE_DESCRIPTION("NE2000 compatible PCMCIA ethernet driver"); ! 88: MODULE_LICENSE("GPL"); ! 89: ! 90: #define INT_MODULE_PARM(n, v) static int n = v; MODULE_PARM(n, "i") ! 91: ! 92: /* Bit map of interrupts to choose from */ ! 93: INT_MODULE_PARM(irq_mask, 0xdeb8); ! 94: static int irq_list[4] = { -1 }; ! 95: MODULE_PARM(irq_list, "1-4i"); ! 96: ! 97: INT_MODULE_PARM(if_port, 1); /* Transceiver type */ ! 98: INT_MODULE_PARM(use_big_buf, 1); /* use 64K packet buffer? */ ! 99: INT_MODULE_PARM(mem_speed, 0); /* shared mem speed, in ns */ ! 100: INT_MODULE_PARM(delay_output, 0); /* pause after xmit? */ ! 101: INT_MODULE_PARM(delay_time, 4); /* in usec */ ! 102: INT_MODULE_PARM(use_shmem, -1); /* use shared memory? */ ! 103: INT_MODULE_PARM(full_duplex, 0); /* full duplex? */ ! 104: ! 105: /* Ugh! Let the user hardwire the hardware address for queer cards */ ! 106: static int hw_addr[6] = { 0, /* ... */ }; ! 107: MODULE_PARM(hw_addr, "6i"); ! 108: ! 109: /*====================================================================*/ ! 110: ! 111: static void mii_phy_probe(struct net_device *dev); ! 112: static void pcnet_config(dev_link_t *link); ! 113: static void pcnet_release(u_long arg); ! 114: static int pcnet_event(event_t event, int priority, ! 115: event_callback_args_t *args); ! 116: static int pcnet_open(struct net_device *dev); ! 117: static int pcnet_close(struct net_device *dev); ! 118: static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); ! 119: static void ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs); ! 120: static void ei_watchdog(u_long arg); ! 121: static void pcnet_reset_8390(struct net_device *dev); ! 122: static int set_config(struct net_device *dev, struct ifmap *map); ! 123: static int setup_shmem_window(dev_link_t *link, int start_pg, ! 124: int stop_pg, int cm_offset); ! 125: static int setup_dma_config(dev_link_t *link, int start_pg, ! 126: int stop_pg); ! 127: ! 128: static dev_link_t *pcnet_attach(void); ! 129: static void pcnet_detach(dev_link_t *); ! 130: ! 131: static dev_info_t dev_info = "pcnet_cs"; ! 132: static dev_link_t *dev_list; ! 133: ! 134: /*====================================================================*/ ! 135: ! 136: typedef struct hw_info_t { ! 137: u_int offset; ! 138: u_char a0, a1, a2; ! 139: u_int flags; ! 140: } hw_info_t; ! 141: ! 142: #define DELAY_OUTPUT 0x01 ! 143: #define HAS_MISC_REG 0x02 ! 144: #define USE_BIG_BUF 0x04 ! 145: #define HAS_IBM_MISC 0x08 ! 146: #define IS_DL10019 0x10 ! 147: #define IS_DL10022 0x20 ! 148: #define HAS_MII 0x40 ! 149: #define USE_SHMEM 0x80 /* autodetected */ ! 150: ! 151: #define AM79C9XX_HOME_PHY 0x00006B90 /* HomePNA PHY */ ! 152: #define AM79C9XX_ETH_PHY 0x00006B70 /* 10baseT PHY */ ! 153: #define MII_PHYID_REV_MASK 0xfffffff0 ! 154: #define MII_PHYID_REG1 0x02 ! 155: #define MII_PHYID_REG2 0x03 ! 156: ! 157: static hw_info_t hw_info[] = { ! 158: { /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT }, ! 159: { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, ! 160: { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, ! 161: { /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94, ! 162: DELAY_OUTPUT | HAS_IBM_MISC }, ! 163: { /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 }, ! 164: { /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 }, ! 165: { /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 }, ! 166: { /* D-Link DE-650 */ 0x0040, 0x00, 0x80, 0xc8, 0 }, ! 167: { /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 }, ! 168: { /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 }, ! 169: { /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48, ! 170: HAS_MISC_REG | HAS_IBM_MISC }, ! 171: { /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 }, ! 172: { /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 }, ! 173: { /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a, ! 174: HAS_MISC_REG | HAS_IBM_MISC }, ! 175: { /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac, ! 176: HAS_MISC_REG | HAS_IBM_MISC }, ! 177: { /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29, ! 178: HAS_MISC_REG | HAS_IBM_MISC }, ! 179: { /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a, ! 180: HAS_MISC_REG | HAS_IBM_MISC }, ! 181: { /* IBM FME */ 0x0374, 0x00, 0x04, 0xac, ! 182: HAS_MISC_REG | HAS_IBM_MISC }, ! 183: { /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87, ! 184: HAS_MISC_REG | HAS_IBM_MISC }, ! 185: { /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17, ! 186: HAS_MISC_REG | HAS_IBM_MISC }, ! 187: { /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8, ! 188: HAS_MISC_REG | HAS_IBM_MISC }, ! 189: { /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0, ! 190: HAS_MISC_REG | HAS_IBM_MISC }, ! 191: { /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0, ! 192: HAS_MISC_REG | HAS_IBM_MISC }, ! 193: { /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 }, ! 194: { /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 }, ! 195: { /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0, ! 196: HAS_MISC_REG | HAS_IBM_MISC }, ! 197: { /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f, ! 198: HAS_MISC_REG | HAS_IBM_MISC }, ! 199: { /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 }, ! 200: { /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 }, ! 201: { /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 }, ! 202: { /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 }, ! 203: { /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65, ! 204: HAS_MISC_REG | HAS_IBM_MISC }, ! 205: { /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45, ! 206: HAS_MISC_REG | HAS_IBM_MISC }, ! 207: { /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 }, ! 208: { /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 }, ! 209: { /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 }, ! 210: { /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b, ! 211: DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF }, ! 212: { /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 }, ! 213: { /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 }, ! 214: { /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 }, ! 215: { /* NEC PC-9801N-J12 */ 0x0ff0, 0x00, 0x00, 0x4c, 0 }, ! 216: { /* PCMCIA Technology OEM */ 0x01c8, 0x00, 0xa0, 0x0c, 0 } ! 217: }; ! 218: ! 219: #define NR_INFO (sizeof(hw_info)/sizeof(hw_info_t)) ! 220: ! 221: static hw_info_t default_info = { 0, 0, 0, 0, 0 }; ! 222: static hw_info_t dl10019_info = { 0, 0, 0, 0, IS_DL10019|HAS_MII }; ! 223: static hw_info_t dl10022_info = { 0, 0, 0, 0, IS_DL10022|HAS_MII }; ! 224: ! 225: typedef struct pcnet_dev_t { ! 226: struct net_device dev; /* so &dev == &pcnet_dev_t */ ! 227: dev_link_t link; ! 228: dev_node_t node; ! 229: u_int flags; ! 230: caddr_t base; ! 231: struct timer_list watchdog; ! 232: int stale, fast_poll; ! 233: u_char phy_id; ! 234: u_char eth_phy, pna_phy; ! 235: u_short link_status; ! 236: u_long mii_reset; ! 237: } pcnet_dev_t; ! 238: ! 239: /*====================================================================== ! 240: ! 241: This bit of code is used to avoid unregistering network devices ! 242: at inappropriate times. 2.2 and later kernels are fairly picky ! 243: about when this can happen. ! 244: ! 245: ======================================================================*/ ! 246: ! 247: static void flush_stale_links(void) ! 248: { ! 249: dev_link_t *link, *next; ! 250: for (link = dev_list; link; link = next) { ! 251: next = link->next; ! 252: if (link->state & DEV_STALE_LINK) ! 253: pcnet_detach(link); ! 254: } ! 255: } ! 256: ! 257: /*====================================================================*/ ! 258: ! 259: static void cs_error(client_handle_t handle, int func, int ret) ! 260: { ! 261: error_info_t err = { func, ret }; ! 262: CardServices(ReportError, handle, &err); ! 263: } ! 264: ! 265: /*====================================================================== ! 266: ! 267: We never need to do anything when a pcnet device is "initialized" ! 268: by the net software, because we only register already-found cards. ! 269: ! 270: ======================================================================*/ ! 271: ! 272: static int pcnet_init(struct net_device *dev) ! 273: { ! 274: return 0; ! 275: } ! 276: ! 277: /*====================================================================== ! 278: ! 279: pcnet_attach() creates an "instance" of the driver, allocating ! 280: local data structures for one device. The device is registered ! 281: with Card Services. ! 282: ! 283: ======================================================================*/ ! 284: ! 285: static dev_link_t *pcnet_attach(void) ! 286: { ! 287: pcnet_dev_t *info; ! 288: dev_link_t *link; ! 289: struct net_device *dev; ! 290: client_reg_t client_reg; ! 291: int i, ret; ! 292: ! 293: DEBUG(0, "pcnet_attach()\n"); ! 294: flush_stale_links(); ! 295: ! 296: /* Create new ethernet device */ ! 297: info = kmalloc(sizeof(*info), GFP_KERNEL); ! 298: if (!info) return NULL; ! 299: memset(info, 0, sizeof(*info)); ! 300: link = &info->link; dev = &info->dev; ! 301: link->priv = info; ! 302: ! 303: init_timer(&link->release); ! 304: link->release.function = &pcnet_release; ! 305: link->release.data = (u_long)link; ! 306: link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; ! 307: link->irq.IRQInfo1 = IRQ_INFO2_VALID|IRQ_LEVEL_ID; ! 308: if (irq_list[0] == -1) ! 309: link->irq.IRQInfo2 = irq_mask; ! 310: else ! 311: for (i = 0; i < 4; i++) ! 312: link->irq.IRQInfo2 |= 1 << irq_list[i]; ! 313: link->conf.Attributes = CONF_ENABLE_IRQ; ! 314: link->conf.IntType = INT_MEMORY_AND_IO; ! 315: ! 316: ethdev_init(dev); ! 317: init_dev_name(dev, info->node); ! 318: dev->init = &pcnet_init; ! 319: dev->open = &pcnet_open; ! 320: dev->stop = &pcnet_close; ! 321: dev->set_config = &set_config; ! 322: ! 323: /* Register with Card Services */ ! 324: link->next = dev_list; ! 325: dev_list = link; ! 326: client_reg.dev_info = &dev_info; ! 327: client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; ! 328: client_reg.EventMask = ! 329: CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | ! 330: CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | ! 331: CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; ! 332: client_reg.event_handler = &pcnet_event; ! 333: client_reg.Version = 0x0210; ! 334: client_reg.event_callback_args.client_data = link; ! 335: ret = CardServices(RegisterClient, &link->handle, &client_reg); ! 336: if (ret != CS_SUCCESS) { ! 337: cs_error(link->handle, RegisterClient, ret); ! 338: pcnet_detach(link); ! 339: return NULL; ! 340: } ! 341: ! 342: return link; ! 343: } /* pcnet_attach */ ! 344: ! 345: /*====================================================================== ! 346: ! 347: This deletes a driver "instance". The device is de-registered ! 348: with Card Services. If it has been released, all local data ! 349: structures are freed. Otherwise, the structures will be freed ! 350: when the device is released. ! 351: ! 352: ======================================================================*/ ! 353: ! 354: static void pcnet_detach(dev_link_t *link) ! 355: { ! 356: pcnet_dev_t *info = link->priv; ! 357: dev_link_t **linkp; ! 358: ! 359: DEBUG(0, "pcnet_detach(0x%p)\n", link); ! 360: ! 361: /* Locate device structure */ ! 362: for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) ! 363: if (*linkp == link) break; ! 364: if (*linkp == NULL) ! 365: return; ! 366: ! 367: del_timer(&link->release); ! 368: if (link->state & DEV_CONFIG) { ! 369: pcnet_release((u_long)link); ! 370: if (link->state & DEV_STALE_CONFIG) { ! 371: link->state |= DEV_STALE_LINK; ! 372: return; ! 373: } ! 374: } ! 375: ! 376: if (link->handle) ! 377: CardServices(DeregisterClient, link->handle); ! 378: ! 379: /* Unlink device structure, free bits */ ! 380: *linkp = link->next; ! 381: if (link->dev) ! 382: unregister_netdev(&info->dev); ! 383: kfree(info); ! 384: ! 385: } /* pcnet_detach */ ! 386: ! 387: /*====================================================================== ! 388: ! 389: This probes for a card's hardware address, for card types that ! 390: encode this information in their CIS. ! 391: ! 392: ======================================================================*/ ! 393: ! 394: static hw_info_t *get_hwinfo(dev_link_t *link) ! 395: { ! 396: struct net_device *dev = link->priv; ! 397: win_req_t req; ! 398: memreq_t mem; ! 399: u_char *base, *virt; ! 400: int i, j; ! 401: ! 402: /* Allocate a small memory window */ ! 403: req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE; ! 404: req.Base = 0; req.Size = 0; ! 405: req.AccessSpeed = 0; ! 406: link->win = (window_handle_t)link->handle; ! 407: i = CardServices(RequestWindow, &link->win, &req); ! 408: if (i != CS_SUCCESS) { ! 409: cs_error(link->handle, RequestWindow, i); ! 410: return NULL; ! 411: } ! 412: ! 413: virt = ioremap(req.Base, req.Size); ! 414: mem.Page = 0; ! 415: for (i = 0; i < NR_INFO; i++) { ! 416: mem.CardOffset = hw_info[i].offset & ~(req.Size-1); ! 417: CardServices(MapMemPage, link->win, &mem); ! 418: base = &virt[hw_info[i].offset & (req.Size-1)]; ! 419: if ((readb(base+0) == hw_info[i].a0) && ! 420: (readb(base+2) == hw_info[i].a1) && ! 421: (readb(base+4) == hw_info[i].a2)) ! 422: break; ! 423: } ! 424: if (i < NR_INFO) { ! 425: for (j = 0; j < 6; j++) ! 426: dev->dev_addr[j] = readb(base + (j<<1)); ! 427: } ! 428: ! 429: iounmap(virt); ! 430: j = CardServices(ReleaseWindow, link->win); ! 431: if (j != CS_SUCCESS) ! 432: cs_error(link->handle, ReleaseWindow, j); ! 433: return (i < NR_INFO) ? hw_info+i : NULL; ! 434: } /* get_hwinfo */ ! 435: ! 436: /*====================================================================== ! 437: ! 438: This probes for a card's hardware address by reading the PROM. ! 439: It checks the address against a list of known types, then falls ! 440: back to a simple NE2000 clone signature check. ! 441: ! 442: ======================================================================*/ ! 443: ! 444: static hw_info_t *get_prom(dev_link_t *link) ! 445: { ! 446: struct net_device *dev = link->priv; ! 447: ioaddr_t ioaddr = dev->base_addr; ! 448: u_char prom[32]; ! 449: int i, j; ! 450: ! 451: /* This is lifted straight from drivers/net/ne.c */ ! 452: struct { ! 453: u_char value, offset; ! 454: } program_seq[] = { ! 455: {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/ ! 456: {0x48, EN0_DCFG}, /* Set byte-wide (0x48) access. */ ! 457: {0x00, EN0_RCNTLO}, /* Clear the count regs. */ ! 458: {0x00, EN0_RCNTHI}, ! 459: {0x00, EN0_IMR}, /* Mask completion irq. */ ! 460: {0xFF, EN0_ISR}, ! 461: {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */ ! 462: {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */ ! 463: {32, EN0_RCNTLO}, ! 464: {0x00, EN0_RCNTHI}, ! 465: {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */ ! 466: {0x00, EN0_RSARHI}, ! 467: {E8390_RREAD+E8390_START, E8390_CMD}, ! 468: }; ! 469: ! 470: pcnet_reset_8390(dev); ! 471: mdelay(10); ! 472: ! 473: for (i = 0; i < sizeof(program_seq)/sizeof(program_seq[0]); i++) ! 474: outb_p(program_seq[i].value, ioaddr + program_seq[i].offset); ! 475: ! 476: for (i = 0; i < 32; i++) ! 477: prom[i] = inb(ioaddr + PCNET_DATAPORT); ! 478: for (i = 0; i < NR_INFO; i++) { ! 479: if ((prom[0] == hw_info[i].a0) && ! 480: (prom[2] == hw_info[i].a1) && ! 481: (prom[4] == hw_info[i].a2)) ! 482: break; ! 483: } ! 484: if ((i < NR_INFO) || ((prom[28] == 0x57) && (prom[30] == 0x57))) { ! 485: for (j = 0; j < 6; j++) ! 486: dev->dev_addr[j] = prom[j<<1]; ! 487: return (i < NR_INFO) ? hw_info+i : &default_info; ! 488: } ! 489: return NULL; ! 490: } /* get_prom */ ! 491: ! 492: /*====================================================================== ! 493: ! 494: For DL10019 based cards, like the Linksys EtherFast ! 495: ! 496: ======================================================================*/ ! 497: ! 498: static hw_info_t *get_dl10019(dev_link_t *link) ! 499: { ! 500: struct net_device *dev = link->priv; ! 501: int i; ! 502: u_char sum; ! 503: ! 504: for (sum = 0, i = 0x14; i < 0x1c; i++) ! 505: sum += inb_p(dev->base_addr + i); ! 506: if (sum != 0xff) ! 507: return NULL; ! 508: for (i = 0; i < 6; i++) ! 509: dev->dev_addr[i] = inb_p(dev->base_addr + 0x14 + i); ! 510: i = inb(dev->base_addr + 0x1f); ! 511: return ((i == 0x91)||(i == 0x99)) ? &dl10022_info : &dl10019_info; ! 512: } ! 513: ! 514: /*====================================================================== ! 515: ! 516: For Asix AX88190 based cards ! 517: ! 518: ======================================================================*/ ! 519: ! 520: static hw_info_t *get_ax88190(dev_link_t *link) ! 521: { ! 522: struct net_device *dev = link->priv; ! 523: ioaddr_t ioaddr = dev->base_addr; ! 524: int i, j; ! 525: ! 526: /* Not much of a test, but the alternatives are messy */ ! 527: if (link->conf.ConfigBase != 0x03c0) ! 528: return NULL; ! 529: ! 530: outb_p(0x01, ioaddr + EN0_DCFG); /* Set word-wide access. */ ! 531: outb_p(0x00, ioaddr + EN0_RSARLO); /* DMA starting at 0x0400. */ ! 532: outb_p(0x04, ioaddr + EN0_RSARHI); ! 533: outb_p(E8390_RREAD+E8390_START, ioaddr + E8390_CMD); ! 534: ! 535: for (i = 0; i < 6; i += 2) { ! 536: j = inw(ioaddr + PCNET_DATAPORT); ! 537: dev->dev_addr[i] = j & 0xff; ! 538: dev->dev_addr[i+1] = j >> 8; ! 539: } ! 540: printk(KERN_NOTICE "pcnet_cs: this is an AX88190 card!\n"); ! 541: printk(KERN_NOTICE "pcnet_cs: use axnet_cs instead.\n"); ! 542: return NULL; ! 543: } ! 544: ! 545: /*====================================================================== ! 546: ! 547: This should be totally unnecessary... but when we can't figure ! 548: out the hardware address any other way, we'll let the user hard ! 549: wire it when the module is initialized. ! 550: ! 551: ======================================================================*/ ! 552: ! 553: static hw_info_t *get_hwired(dev_link_t *link) ! 554: { ! 555: struct net_device *dev = link->priv; ! 556: int i; ! 557: ! 558: for (i = 0; i < 6; i++) ! 559: if (hw_addr[i] != 0) break; ! 560: if (i == 6) ! 561: return NULL; ! 562: ! 563: for (i = 0; i < 6; i++) ! 564: dev->dev_addr[i] = hw_addr[i]; ! 565: ! 566: return &default_info; ! 567: } /* get_hwired */ ! 568: ! 569: /*====================================================================== ! 570: ! 571: pcnet_config() is scheduled to run after a CARD_INSERTION event ! 572: is received, to configure the PCMCIA socket, and to make the ! 573: ethernet device available to the system. ! 574: ! 575: ======================================================================*/ ! 576: ! 577: #define CS_CHECK(fn, args...) \ ! 578: while ((last_ret=CardServices(last_fn=(fn), args))!=0) goto cs_failed ! 579: ! 580: #define CFG_CHECK(fn, args...) \ ! 581: if (CardServices(fn, args) != 0) goto next_entry ! 582: ! 583: static int try_io_port(dev_link_t *link) ! 584: { ! 585: int j, ret; ! 586: if (link->io.NumPorts1 == 32) { ! 587: link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; ! 588: if (link->io.NumPorts2 > 0) { ! 589: /* for master/slave multifunction cards */ ! 590: link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; ! 591: link->irq.Attributes = ! 592: IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; ! 593: } ! 594: } else { ! 595: /* This should be two 16-port windows */ ! 596: link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; ! 597: link->io.Attributes2 = IO_DATA_PATH_WIDTH_16; ! 598: } ! 599: if (link->io.BasePort1 == 0) { ! 600: link->io.IOAddrLines = 16; ! 601: for (j = 0; j < 0x400; j += 0x20) { ! 602: link->io.BasePort1 = j ^ 0x300; ! 603: link->io.BasePort2 = (j ^ 0x300) + 0x10; ! 604: ret = CardServices(RequestIO, link->handle, &link->io); ! 605: if (ret == CS_SUCCESS) return ret; ! 606: } ! 607: return ret; ! 608: } else { ! 609: return CardServices(RequestIO, link->handle, &link->io); ! 610: } ! 611: } ! 612: ! 613: static void pcnet_config(dev_link_t *link) ! 614: { ! 615: client_handle_t handle = link->handle; ! 616: pcnet_dev_t *info = link->priv; ! 617: struct net_device *dev = &info->dev; ! 618: tuple_t tuple; ! 619: cisparse_t parse; ! 620: int i, last_ret, last_fn, start_pg, stop_pg, cm_offset; ! 621: int manfid = 0, prodid = 0, has_shmem = 0; ! 622: u_short buf[64]; ! 623: config_info_t conf; ! 624: hw_info_t *hw_info; ! 625: ! 626: DEBUG(0, "pcnet_config(0x%p)\n", link); ! 627: ! 628: tuple.Attributes = 0; ! 629: tuple.TupleData = (cisdata_t *)buf; ! 630: tuple.TupleDataMax = sizeof(buf); ! 631: tuple.TupleOffset = 0; ! 632: tuple.DesiredTuple = CISTPL_CONFIG; ! 633: CS_CHECK(GetFirstTuple, handle, &tuple); ! 634: CS_CHECK(GetTupleData, handle, &tuple); ! 635: CS_CHECK(ParseTuple, handle, &tuple, &parse); ! 636: link->conf.ConfigBase = parse.config.base; ! 637: link->conf.Present = parse.config.rmask[0]; ! 638: ! 639: /* Configure card */ ! 640: link->state |= DEV_CONFIG; ! 641: ! 642: /* Look up current Vcc */ ! 643: CS_CHECK(GetConfigurationInfo, handle, &conf); ! 644: link->conf.Vcc = conf.Vcc; ! 645: ! 646: tuple.DesiredTuple = CISTPL_MANFID; ! 647: tuple.Attributes = TUPLE_RETURN_COMMON; ! 648: if ((CardServices(GetFirstTuple, handle, &tuple) == CS_SUCCESS) && ! 649: (CardServices(GetTupleData, handle, &tuple) == CS_SUCCESS)) { ! 650: manfid = le16_to_cpu(buf[0]); ! 651: prodid = le16_to_cpu(buf[1]); ! 652: } ! 653: ! 654: tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; ! 655: tuple.Attributes = 0; ! 656: CS_CHECK(GetFirstTuple, handle, &tuple); ! 657: while (last_ret == CS_SUCCESS) { ! 658: cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); ! 659: cistpl_io_t *io = &(parse.cftable_entry.io); ! 660: ! 661: CFG_CHECK(GetTupleData, handle, &tuple); ! 662: CFG_CHECK(ParseTuple, handle, &tuple, &parse); ! 663: if ((cfg->index == 0) || (cfg->io.nwin == 0)) ! 664: goto next_entry; ! 665: ! 666: link->conf.ConfigIndex = cfg->index; ! 667: /* For multifunction cards, by convention, we configure the ! 668: network function with window 0, and serial with window 1 */ ! 669: if (io->nwin > 1) { ! 670: i = (io->win[1].len > io->win[0].len); ! 671: link->io.BasePort2 = io->win[1-i].base; ! 672: link->io.NumPorts2 = io->win[1-i].len; ! 673: } else { ! 674: i = link->io.NumPorts2 = 0; ! 675: } ! 676: has_shmem = ((cfg->mem.nwin == 1) && ! 677: (cfg->mem.win[0].len >= 0x4000)); ! 678: link->io.BasePort1 = io->win[i].base; ! 679: link->io.NumPorts1 = io->win[i].len; ! 680: link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; ! 681: if (link->io.NumPorts1 + link->io.NumPorts2 >= 32) { ! 682: last_ret = try_io_port(link); ! 683: if (last_ret == CS_SUCCESS) break; ! 684: } ! 685: next_entry: ! 686: last_ret = CardServices(GetNextTuple, handle, &tuple); ! 687: } ! 688: if (last_ret != CS_SUCCESS) { ! 689: cs_error(handle, RequestIO, last_ret); ! 690: goto failed; ! 691: } ! 692: ! 693: CS_CHECK(RequestIRQ, handle, &link->irq); ! 694: ! 695: if (link->io.NumPorts2 == 8) { ! 696: link->conf.Attributes |= CONF_ENABLE_SPKR; ! 697: link->conf.Status = CCSR_AUDIO_ENA; ! 698: } ! 699: if ((manfid == MANFID_IBM) && ! 700: (prodid == PRODID_IBM_HOME_AND_AWAY)) ! 701: link->conf.ConfigIndex |= 0x10; ! 702: ! 703: CS_CHECK(RequestConfiguration, handle, &link->conf); ! 704: dev->irq = link->irq.AssignedIRQ; ! 705: dev->base_addr = link->io.BasePort1; ! 706: if (info->flags & HAS_MISC_REG) { ! 707: if ((if_port == 1) || (if_port == 2)) ! 708: dev->if_port = if_port; ! 709: else ! 710: printk(KERN_NOTICE "pcnet_cs: invalid if_port requested\n"); ! 711: } else { ! 712: dev->if_port = 0; ! 713: } ! 714: if (register_netdev(dev) != 0) { ! 715: printk(KERN_NOTICE "pcnet_cs: register_netdev() failed\n"); ! 716: goto failed; ! 717: } ! 718: ! 719: hw_info = get_hwinfo(link); ! 720: if (hw_info == NULL) ! 721: hw_info = get_prom(link); ! 722: if (hw_info == NULL) ! 723: hw_info = get_dl10019(link); ! 724: if (hw_info == NULL) ! 725: hw_info = get_ax88190(link); ! 726: if (hw_info == NULL) ! 727: hw_info = get_hwired(link); ! 728: ! 729: if (hw_info == NULL) { ! 730: printk(KERN_NOTICE "pcnet_cs: unable to read hardware net" ! 731: " address for io base %#3lx\n", dev->base_addr); ! 732: unregister_netdev(dev); ! 733: goto failed; ! 734: } ! 735: ! 736: info->flags = hw_info->flags; ! 737: /* Check for user overrides */ ! 738: info->flags |= (delay_output) ? DELAY_OUTPUT : 0; ! 739: if ((manfid == MANFID_SOCKET) && ! 740: ((prodid == PRODID_SOCKET_LPE) || ! 741: (prodid == PRODID_SOCKET_LPE_CF) || ! 742: (prodid == PRODID_SOCKET_EIO))) ! 743: info->flags &= ~USE_BIG_BUF; ! 744: if (!use_big_buf) ! 745: info->flags &= ~USE_BIG_BUF; ! 746: ! 747: if (info->flags & USE_BIG_BUF) { ! 748: start_pg = SOCKET_START_PG; ! 749: stop_pg = SOCKET_STOP_PG; ! 750: cm_offset = 0x10000; ! 751: } else { ! 752: start_pg = PCNET_START_PG; ! 753: stop_pg = PCNET_STOP_PG; ! 754: cm_offset = 0; ! 755: } ! 756: ! 757: /* has_shmem is ignored if use_shmem != -1 */ ! 758: if ((use_shmem == 0) || (!has_shmem && (use_shmem == -1)) || ! 759: (setup_shmem_window(link, start_pg, stop_pg, cm_offset) != 0)) ! 760: setup_dma_config(link, start_pg, stop_pg); ! 761: ! 762: ei_status.name = "NE2000"; ! 763: ei_status.word16 = 1; ! 764: ei_status.reset_8390 = &pcnet_reset_8390; ! 765: ! 766: copy_dev_name(info->node, dev); ! 767: link->dev = &info->node; ! 768: ! 769: if (info->flags & (IS_DL10019|IS_DL10022)) { ! 770: u_char id = inb(dev->base_addr + 0x1a); ! 771: dev->do_ioctl = &ei_ioctl; ! 772: mii_phy_probe(dev); ! 773: if ((id == 0x30) && !info->pna_phy && (info->eth_phy == 4)) ! 774: info->eth_phy = 0; ! 775: printk(KERN_INFO "%s: NE2000 (DL100%d rev %02x): ", ! 776: dev->name, ((info->flags & IS_DL10022) ? 22 : 19), id); ! 777: if (info->pna_phy) ! 778: printk("PNA, "); ! 779: } else ! 780: printk(KERN_INFO "%s: NE2000 Compatible: ", dev->name); ! 781: printk("io %#3lx, irq %d,", dev->base_addr, dev->irq); ! 782: if (info->flags & USE_SHMEM) ! 783: printk (" mem %#5lx,", dev->mem_start); ! 784: if (info->flags & HAS_MISC_REG) ! 785: printk(" %s xcvr,", if_names[dev->if_port]); ! 786: printk(" hw_addr "); ! 787: for (i = 0; i < 6; i++) ! 788: printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n")); ! 789: link->state &= ~DEV_CONFIG_PENDING; ! 790: return; ! 791: ! 792: cs_failed: ! 793: cs_error(link->handle, last_fn, last_ret); ! 794: failed: ! 795: pcnet_release((u_long)link); ! 796: link->state &= ~DEV_CONFIG_PENDING; ! 797: return; ! 798: } /* pcnet_config */ ! 799: ! 800: /*====================================================================== ! 801: ! 802: After a card is removed, pcnet_release() will unregister the net ! 803: device, and release the PCMCIA configuration. If the device is ! 804: still open, this will be postponed until it is closed. ! 805: ! 806: ======================================================================*/ ! 807: ! 808: static void pcnet_release(u_long arg) ! 809: { ! 810: dev_link_t *link = (dev_link_t *)arg; ! 811: pcnet_dev_t *info = link->priv; ! 812: ! 813: DEBUG(0, "pcnet_release(0x%p)\n", link); ! 814: ! 815: if (link->open) { ! 816: DEBUG(1, "pcnet_cs: release postponed, '%s' still open\n", ! 817: info->node.dev_name); ! 818: link->state |= DEV_STALE_CONFIG; ! 819: return; ! 820: } ! 821: ! 822: if (info->flags & USE_SHMEM) { ! 823: iounmap(info->base); ! 824: CardServices(ReleaseWindow, link->win); ! 825: } ! 826: CardServices(ReleaseConfiguration, link->handle); ! 827: CardServices(ReleaseIO, link->handle, &link->io); ! 828: CardServices(ReleaseIRQ, link->handle, &link->irq); ! 829: ! 830: link->state &= ~DEV_CONFIG; ! 831: ! 832: } /* pcnet_release */ ! 833: ! 834: /*====================================================================== ! 835: ! 836: The card status event handler. Mostly, this schedules other ! 837: stuff to run after an event is received. A CARD_REMOVAL event ! 838: also sets some flags to discourage the net drivers from trying ! 839: to talk to the card any more. ! 840: ! 841: ======================================================================*/ ! 842: ! 843: static int pcnet_event(event_t event, int priority, ! 844: event_callback_args_t *args) ! 845: { ! 846: dev_link_t *link = args->client_data; ! 847: pcnet_dev_t *info = link->priv; ! 848: ! 849: DEBUG(2, "pcnet_event(0x%06x)\n", event); ! 850: ! 851: switch (event) { ! 852: case CS_EVENT_CARD_REMOVAL: ! 853: link->state &= ~DEV_PRESENT; ! 854: if (link->state & DEV_CONFIG) { ! 855: netif_device_detach(&info->dev); ! 856: mod_timer(&link->release, jiffies + HZ/20); ! 857: } ! 858: break; ! 859: case CS_EVENT_CARD_INSERTION: ! 860: link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; ! 861: pcnet_config(link); ! 862: break; ! 863: case CS_EVENT_PM_SUSPEND: ! 864: link->state |= DEV_SUSPEND; ! 865: /* Fall through... */ ! 866: case CS_EVENT_RESET_PHYSICAL: ! 867: if (link->state & DEV_CONFIG) { ! 868: if (link->open) ! 869: netif_device_detach(&info->dev); ! 870: CardServices(ReleaseConfiguration, link->handle); ! 871: } ! 872: break; ! 873: case CS_EVENT_PM_RESUME: ! 874: link->state &= ~DEV_SUSPEND; ! 875: /* Fall through... */ ! 876: case CS_EVENT_CARD_RESET: ! 877: if (link->state & DEV_CONFIG) { ! 878: CardServices(RequestConfiguration, link->handle, &link->conf); ! 879: if (link->open) { ! 880: pcnet_reset_8390(&info->dev); ! 881: NS8390_init(&info->dev, 1); ! 882: netif_device_attach(&info->dev); ! 883: } ! 884: } ! 885: break; ! 886: } ! 887: return 0; ! 888: } /* pcnet_event */ ! 889: ! 890: /*====================================================================== ! 891: ! 892: MII interface support for DL10019 and DL10022 based cards ! 893: ! 894: On the DL10019, the MII IO direction bit is 0x10; on the DL10022 ! 895: it is 0x20. Setting both bits seems to work on both card types. ! 896: ! 897: ======================================================================*/ ! 898: ! 899: #define DLINK_GPIO 0x1c ! 900: #define DLINK_DIAG 0x1d ! 901: #define DLINK_EEPROM 0x1e ! 902: ! 903: #define MDIO_SHIFT_CLK 0x80 ! 904: #define MDIO_DATA_OUT 0x40 ! 905: #define MDIO_DIR_WRITE 0x30 ! 906: #define MDIO_DATA_WRITE0 (MDIO_DIR_WRITE) ! 907: #define MDIO_DATA_WRITE1 (MDIO_DIR_WRITE | MDIO_DATA_OUT) ! 908: #define MDIO_DATA_READ 0x10 ! 909: #define MDIO_MASK 0x0f ! 910: ! 911: static void mdio_sync(ioaddr_t addr) ! 912: { ! 913: int bits, mask = inb(addr) & MDIO_MASK; ! 914: for (bits = 0; bits < 32; bits++) { ! 915: outb(mask | MDIO_DATA_WRITE1, addr); ! 916: outb(mask | MDIO_DATA_WRITE1 | MDIO_SHIFT_CLK, addr); ! 917: } ! 918: } ! 919: ! 920: static int mdio_read(ioaddr_t addr, int phy_id, int loc) ! 921: { ! 922: u_int cmd = (0x06<<10)|(phy_id<<5)|loc; ! 923: int i, retval = 0, mask = inb(addr) & MDIO_MASK; ! 924: ! 925: mdio_sync(addr); ! 926: for (i = 13; i >= 0; i--) { ! 927: int dat = (cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0; ! 928: outb(mask | dat, addr); ! 929: outb(mask | dat | MDIO_SHIFT_CLK, addr); ! 930: } ! 931: for (i = 19; i > 0; i--) { ! 932: outb(mask, addr); ! 933: retval = (retval << 1) | ((inb(addr) & MDIO_DATA_READ) != 0); ! 934: outb(mask | MDIO_SHIFT_CLK, addr); ! 935: } ! 936: return (retval>>1) & 0xffff; ! 937: } ! 938: ! 939: static void mdio_write(ioaddr_t addr, int phy_id, int loc, int value) ! 940: { ! 941: u_int cmd = (0x05<<28)|(phy_id<<23)|(loc<<18)|(1<<17)|value; ! 942: int i, mask = inb(addr) & MDIO_MASK; ! 943: ! 944: mdio_sync(addr); ! 945: for (i = 31; i >= 0; i--) { ! 946: int dat = (cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0; ! 947: outb(mask | dat, addr); ! 948: outb(mask | dat | MDIO_SHIFT_CLK, addr); ! 949: } ! 950: for (i = 1; i >= 0; i--) { ! 951: outb(mask, addr); ! 952: outb(mask | MDIO_SHIFT_CLK, addr); ! 953: } ! 954: } ! 955: ! 956: static void mdio_reset(ioaddr_t addr, int phy_id) ! 957: { ! 958: outb_p(0x08, addr); ! 959: outb_p(0x0c, addr); ! 960: outb_p(0x08, addr); ! 961: outb_p(0x0c, addr); ! 962: outb_p(0x00, addr); ! 963: } ! 964: ! 965: /*====================================================================== ! 966: ! 967: EEPROM access routines for DL10019 and DL10022 based cards ! 968: ! 969: ======================================================================*/ ! 970: ! 971: #define EE_EEP 0x40 ! 972: #define EE_ASIC 0x10 ! 973: #define EE_CS 0x08 ! 974: #define EE_CK 0x04 ! 975: #define EE_DO 0x02 ! 976: #define EE_DI 0x01 ! 977: #define EE_ADOT 0x01 /* DataOut for ASIC */ ! 978: #define EE_READ_CMD 0x06 ! 979: ! 980: #define DL19FDUPLX 0x0400 /* DL10019 Full duplex mode */ ! 981: ! 982: static int read_eeprom(ioaddr_t ioaddr, int location) ! 983: { ! 984: int i, retval = 0; ! 985: ioaddr_t ee_addr = ioaddr + DLINK_EEPROM; ! 986: int read_cmd = location | (EE_READ_CMD << 8); ! 987: ! 988: outb(0, ee_addr); ! 989: outb(EE_EEP|EE_CS, ee_addr); ! 990: ! 991: /* Shift the read command bits out. */ ! 992: for (i = 10; i >= 0; i--) { ! 993: short dataval = (read_cmd & (1 << i)) ? EE_DO : 0; ! 994: outb_p(EE_EEP|EE_CS|dataval, ee_addr); ! 995: outb_p(EE_EEP|EE_CS|dataval|EE_CK, ee_addr); ! 996: } ! 997: outb(EE_EEP|EE_CS, ee_addr); ! 998: ! 999: for (i = 16; i > 0; i--) { ! 1000: outb_p(EE_EEP|EE_CS | EE_CK, ee_addr); ! 1001: retval = (retval << 1) | ((inb(ee_addr) & EE_DI) ? 1 : 0); ! 1002: outb_p(EE_EEP|EE_CS, ee_addr); ! 1003: } ! 1004: ! 1005: /* Terminate the EEPROM access. */ ! 1006: outb(0, ee_addr); ! 1007: return retval; ! 1008: } ! 1009: ! 1010: /* ! 1011: The internal ASIC registers can be changed by EEPROM READ access ! 1012: with EE_ASIC bit set. ! 1013: In ASIC mode, EE_ADOT is used to output the data to the ASIC. ! 1014: */ ! 1015: ! 1016: static void write_asic(ioaddr_t ioaddr, int location, short asic_data) ! 1017: { ! 1018: int i; ! 1019: ioaddr_t ee_addr = ioaddr + DLINK_EEPROM; ! 1020: short dataval; ! 1021: int read_cmd = location | (EE_READ_CMD << 8); ! 1022: ! 1023: asic_data |= read_eeprom(ioaddr, location); ! 1024: ! 1025: outb(0, ee_addr); ! 1026: outb(EE_ASIC|EE_CS|EE_DI, ee_addr); ! 1027: ! 1028: read_cmd = read_cmd >> 1; ! 1029: ! 1030: /* Shift the read command bits out. */ ! 1031: for (i = 9; i >= 0; i--) { ! 1032: dataval = (read_cmd & (1 << i)) ? EE_DO : 0; ! 1033: outb_p(EE_ASIC|EE_CS|EE_DI|dataval, ee_addr); ! 1034: outb_p(EE_ASIC|EE_CS|EE_DI|dataval|EE_CK, ee_addr); ! 1035: outb_p(EE_ASIC|EE_CS|EE_DI|dataval, ee_addr); ! 1036: } ! 1037: // sync ! 1038: outb(EE_ASIC|EE_CS, ee_addr); ! 1039: outb(EE_ASIC|EE_CS|EE_CK, ee_addr); ! 1040: outb(EE_ASIC|EE_CS, ee_addr); ! 1041: ! 1042: for (i = 15; i >= 0; i--) { ! 1043: dataval = (asic_data & (1 << i)) ? EE_ADOT : 0; ! 1044: outb_p(EE_ASIC|EE_CS|dataval, ee_addr); ! 1045: outb_p(EE_ASIC|EE_CS|dataval|EE_CK, ee_addr); ! 1046: outb_p(EE_ASIC|EE_CS|dataval, ee_addr); ! 1047: } ! 1048: ! 1049: /* Terminate the ASIC access. */ ! 1050: outb(EE_ASIC|EE_DI, ee_addr); ! 1051: outb(EE_ASIC|EE_DI| EE_CK, ee_addr); ! 1052: outb(EE_ASIC|EE_DI, ee_addr); ! 1053: ! 1054: outb(0, ee_addr); ! 1055: } ! 1056: ! 1057: /*====================================================================*/ ! 1058: ! 1059: static void set_misc_reg(struct net_device *dev) ! 1060: { ! 1061: ioaddr_t nic_base = dev->base_addr; ! 1062: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1063: u_char tmp; ! 1064: ! 1065: if (info->flags & HAS_MISC_REG) { ! 1066: tmp = inb_p(nic_base + PCNET_MISC) & ~3; ! 1067: if (dev->if_port == 2) ! 1068: tmp |= 1; ! 1069: if (info->flags & USE_BIG_BUF) ! 1070: tmp |= 2; ! 1071: if (info->flags & HAS_IBM_MISC) ! 1072: tmp |= 8; ! 1073: outb_p(tmp, nic_base + PCNET_MISC); ! 1074: } ! 1075: if (info->flags & IS_DL10022) { ! 1076: if (info->flags & HAS_MII) { ! 1077: mdio_reset(nic_base + DLINK_GPIO, info->eth_phy); ! 1078: /* Restart MII autonegotiation */ ! 1079: mdio_write(nic_base + DLINK_GPIO, info->eth_phy, 0, 0x0000); ! 1080: mdio_write(nic_base + DLINK_GPIO, info->eth_phy, 0, 0x1200); ! 1081: info->mii_reset = jiffies; ! 1082: } else { ! 1083: outb(full_duplex ? 4 : 0, nic_base + DLINK_DIAG); ! 1084: } ! 1085: } ! 1086: } ! 1087: ! 1088: /*====================================================================*/ ! 1089: ! 1090: static void mii_phy_probe(struct net_device *dev) ! 1091: { ! 1092: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1093: ioaddr_t mii_addr = dev->base_addr + DLINK_GPIO; ! 1094: int i; ! 1095: u_int tmp, phyid; ! 1096: ! 1097: for (i = 31; i >= 0; i--) { ! 1098: tmp = mdio_read(mii_addr, i, 1); ! 1099: if ((tmp == 0) || (tmp == 0xffff)) ! 1100: continue; ! 1101: tmp = mdio_read(mii_addr, i, MII_PHYID_REG1); ! 1102: phyid = tmp << 16; ! 1103: phyid |= mdio_read(mii_addr, i, MII_PHYID_REG2); ! 1104: phyid &= MII_PHYID_REV_MASK; ! 1105: DEBUG(0, "%s: MII at %d is 0x%08x\n", dev->name, i, phyid); ! 1106: if (phyid == AM79C9XX_HOME_PHY) { ! 1107: info->pna_phy = i; ! 1108: } else if (phyid != AM79C9XX_ETH_PHY) { ! 1109: info->eth_phy = i; ! 1110: } ! 1111: } ! 1112: } ! 1113: ! 1114: static int pcnet_open(struct net_device *dev) ! 1115: { ! 1116: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1117: dev_link_t *link = &info->link; ! 1118: ! 1119: DEBUG(2, "pcnet_open('%s')\n", dev->name); ! 1120: ! 1121: if (!DEV_OK(link)) ! 1122: return -ENODEV; ! 1123: ! 1124: link->open++; ! 1125: MOD_INC_USE_COUNT; ! 1126: ! 1127: set_misc_reg(dev); ! 1128: request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, dev_info, dev); ! 1129: ! 1130: info->phy_id = info->eth_phy; ! 1131: info->link_status = 0x00; ! 1132: info->watchdog.function = &ei_watchdog; ! 1133: info->watchdog.data = (u_long)info; ! 1134: info->watchdog.expires = jiffies + HZ; ! 1135: add_timer(&info->watchdog); ! 1136: ! 1137: return ei_open(dev); ! 1138: } /* pcnet_open */ ! 1139: ! 1140: /*====================================================================*/ ! 1141: ! 1142: static int pcnet_close(struct net_device *dev) ! 1143: { ! 1144: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1145: dev_link_t *link = &info->link; ! 1146: ! 1147: DEBUG(2, "pcnet_close('%s')\n", dev->name); ! 1148: ! 1149: ei_close(dev); ! 1150: free_irq(dev->irq, dev); ! 1151: ! 1152: link->open--; ! 1153: netif_stop_queue(dev); ! 1154: netif_mark_down(dev); ! 1155: del_timer(&info->watchdog); ! 1156: if (link->state & DEV_STALE_CONFIG) ! 1157: mod_timer(&link->release, jiffies + HZ/20); ! 1158: ! 1159: MOD_DEC_USE_COUNT; ! 1160: ! 1161: return 0; ! 1162: } /* pcnet_close */ ! 1163: ! 1164: /*====================================================================== ! 1165: ! 1166: Hard reset the card. This used to pause for the same period that ! 1167: a 8390 reset command required, but that shouldn't be necessary. ! 1168: ! 1169: ======================================================================*/ ! 1170: ! 1171: static void pcnet_reset_8390(struct net_device *dev) ! 1172: { ! 1173: ioaddr_t nic_base = dev->base_addr; ! 1174: int i; ! 1175: ! 1176: ei_status.txing = ei_status.dmaing = 0; ! 1177: ! 1178: outb_p(E8390_NODMA+E8390_PAGE0+E8390_STOP, nic_base + E8390_CMD); ! 1179: ! 1180: outb(inb(nic_base + PCNET_RESET), nic_base + PCNET_RESET); ! 1181: ! 1182: for (i = 0; i < 100; i++) { ! 1183: if ((inb_p(nic_base+EN0_ISR) & ENISR_RESET) != 0) ! 1184: break; ! 1185: udelay(100); ! 1186: } ! 1187: outb_p(ENISR_RESET, nic_base + EN0_ISR); /* Ack intr. */ ! 1188: ! 1189: if (i == 100) ! 1190: printk(KERN_ERR "%s: pcnet_reset_8390() did not complete.\n", ! 1191: dev->name); ! 1192: set_misc_reg(dev); ! 1193: ! 1194: } /* pcnet_reset_8390 */ ! 1195: ! 1196: /*====================================================================*/ ! 1197: ! 1198: static int set_config(struct net_device *dev, struct ifmap *map) ! 1199: { ! 1200: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1201: if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { ! 1202: if (!(info->flags & HAS_MISC_REG)) ! 1203: return -EOPNOTSUPP; ! 1204: else if ((map->port < 1) || (map->port > 2)) ! 1205: return -EINVAL; ! 1206: dev->if_port = map->port; ! 1207: printk(KERN_INFO "%s: switched to %s port\n", ! 1208: dev->name, if_names[dev->if_port]); ! 1209: NS8390_init(dev, 1); ! 1210: } ! 1211: return 0; ! 1212: } ! 1213: ! 1214: /*====================================================================*/ ! 1215: ! 1216: static void ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs) ! 1217: { ! 1218: pcnet_dev_t *info = dev_id; ! 1219: info->stale = 0; ! 1220: ei_interrupt(irq, dev_id, regs); ! 1221: } ! 1222: ! 1223: static void ei_watchdog(u_long arg) ! 1224: { ! 1225: pcnet_dev_t *info = (pcnet_dev_t *)(arg); ! 1226: struct net_device *dev = &info->dev; ! 1227: ioaddr_t nic_base = dev->base_addr; ! 1228: ioaddr_t mii_addr = nic_base + DLINK_GPIO; ! 1229: u_short link; ! 1230: ! 1231: if (!netif_device_present(dev)) goto reschedule; ! 1232: ! 1233: /* Check for pending interrupt with expired latency timer: with ! 1234: this, we can limp along even if the interrupt is blocked */ ! 1235: outb_p(E8390_NODMA+E8390_PAGE0, nic_base + E8390_CMD); ! 1236: if (info->stale++ && (inb_p(nic_base + EN0_ISR) & ENISR_ALL)) { ! 1237: if (!info->fast_poll) ! 1238: printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name); ! 1239: ei_irq_wrapper(dev->irq, dev, NULL); ! 1240: info->fast_poll = HZ; ! 1241: } ! 1242: if (info->fast_poll) { ! 1243: info->fast_poll--; ! 1244: info->watchdog.expires = jiffies + 1; ! 1245: add_timer(&info->watchdog); ! 1246: return; ! 1247: } ! 1248: ! 1249: if (!(info->flags & HAS_MII)) ! 1250: goto reschedule; ! 1251: ! 1252: mdio_read(mii_addr, info->phy_id, 1); ! 1253: link = mdio_read(mii_addr, info->phy_id, 1); ! 1254: if (!link || (link == 0xffff)) { ! 1255: if (info->eth_phy) { ! 1256: info->phy_id = info->eth_phy = 0; ! 1257: } else { ! 1258: printk(KERN_INFO "%s: MII is missing!\n", dev->name); ! 1259: info->flags &= ~HAS_MII; ! 1260: } ! 1261: goto reschedule; ! 1262: } ! 1263: ! 1264: link &= 0x0004; ! 1265: if (link != info->link_status) { ! 1266: u_short p = mdio_read(mii_addr, info->phy_id, 5); ! 1267: printk(KERN_INFO "%s: %s link beat\n", dev->name, ! 1268: (link) ? "found" : "lost"); ! 1269: if (link && (info->flags & IS_DL10022)) { ! 1270: /* Disable collision detection on full duplex links */ ! 1271: outb((p & 0x0140) ? 4 : 0, nic_base + DLINK_DIAG); ! 1272: } else if (link && (info->flags & IS_DL10019)) { ! 1273: /* Disable collision detection on full duplex links */ ! 1274: write_asic(dev->base_addr, 4, (p & 0x140) ? DL19FDUPLX : 0); ! 1275: } ! 1276: if (link) { ! 1277: if (info->phy_id == info->eth_phy) { ! 1278: if (p) ! 1279: printk(KERN_INFO "%s: autonegotiation complete: " ! 1280: "%sbaseT-%cD selected\n", dev->name, ! 1281: ((p & 0x0180) ? "100" : "10"), ! 1282: ((p & 0x0140) ? 'F' : 'H')); ! 1283: else ! 1284: printk(KERN_INFO "%s: link partner did not " ! 1285: "autonegotiate\n", dev->name); ! 1286: } ! 1287: NS8390_init(dev, 1); ! 1288: } ! 1289: info->link_status = link; ! 1290: } ! 1291: if (info->pna_phy && (jiffies - info->mii_reset > 6*HZ)) { ! 1292: link = mdio_read(mii_addr, info->eth_phy, 1) & 0x0004; ! 1293: if (((info->phy_id == info->pna_phy) && link) || ! 1294: ((info->phy_id != info->pna_phy) && !link)) { ! 1295: /* isolate this MII and try flipping to the other one */ ! 1296: mdio_write(mii_addr, info->phy_id, 0, 0x0400); ! 1297: info->phy_id ^= info->pna_phy ^ info->eth_phy; ! 1298: printk(KERN_INFO "%s: switched to %s transceiver\n", dev->name, ! 1299: (info->phy_id == info->eth_phy) ? "ethernet" : "PNA"); ! 1300: mdio_write(mii_addr, info->phy_id, 0, ! 1301: (info->phy_id == info->eth_phy) ? 0x1000 : 0); ! 1302: info->link_status = 0; ! 1303: info->mii_reset = jiffies; ! 1304: } ! 1305: } ! 1306: ! 1307: reschedule: ! 1308: info->watchdog.expires = jiffies + HZ; ! 1309: add_timer(&info->watchdog); ! 1310: } ! 1311: ! 1312: /*====================================================================*/ ! 1313: ! 1314: static int ei_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ! 1315: { ! 1316: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1317: u16 *data = (u16 *)&rq->ifr_data; ! 1318: ioaddr_t mii_addr = dev->base_addr + DLINK_GPIO; ! 1319: switch (cmd) { ! 1320: case SIOCDEVPRIVATE: ! 1321: data[0] = info->phy_id; ! 1322: case SIOCDEVPRIVATE+1: ! 1323: data[3] = mdio_read(mii_addr, data[0], data[1] & 0x1f); ! 1324: return 0; ! 1325: case SIOCDEVPRIVATE+2: ! 1326: if (!capable(CAP_NET_ADMIN)) ! 1327: return -EPERM; ! 1328: mdio_write(mii_addr, data[0], data[1] & 0x1f, data[2]); ! 1329: return 0; ! 1330: } ! 1331: return -EOPNOTSUPP; ! 1332: } ! 1333: ! 1334: /*====================================================================*/ ! 1335: ! 1336: static void dma_get_8390_hdr(struct net_device *dev, ! 1337: struct e8390_pkt_hdr *hdr, ! 1338: int ring_page) ! 1339: { ! 1340: ioaddr_t nic_base = dev->base_addr; ! 1341: ! 1342: if (ei_status.dmaing) { ! 1343: printk(KERN_NOTICE "%s: DMAing conflict in dma_block_input." ! 1344: "[DMAstat:%1x][irqlock:%1x]\n", ! 1345: dev->name, ei_status.dmaing, ei_status.irqlock); ! 1346: return; ! 1347: } ! 1348: ! 1349: ei_status.dmaing |= 0x01; ! 1350: outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + PCNET_CMD); ! 1351: outb_p(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); ! 1352: outb_p(0, nic_base + EN0_RCNTHI); ! 1353: outb_p(0, nic_base + EN0_RSARLO); /* On page boundary */ ! 1354: outb_p(ring_page, nic_base + EN0_RSARHI); ! 1355: outb_p(E8390_RREAD+E8390_START, nic_base + PCNET_CMD); ! 1356: ! 1357: insw(nic_base + PCNET_DATAPORT, hdr, ! 1358: sizeof(struct e8390_pkt_hdr)>>1); ! 1359: /* Fix for big endian systems */ ! 1360: hdr->count = le16_to_cpu(hdr->count); ! 1361: ! 1362: outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ ! 1363: ei_status.dmaing &= ~0x01; ! 1364: } ! 1365: ! 1366: /*====================================================================*/ ! 1367: ! 1368: static void dma_block_input(struct net_device *dev, int count, ! 1369: struct sk_buff *skb, int ring_offset) ! 1370: { ! 1371: ioaddr_t nic_base = dev->base_addr; ! 1372: int xfer_count = count; ! 1373: char *buf = skb->data; ! 1374: ! 1375: #ifdef PCMCIA_DEBUG ! 1376: if ((ei_debug > 4) && (count != 4)) ! 1377: printk(KERN_DEBUG "%s: [bi=%d]\n", dev->name, count+4); ! 1378: #endif ! 1379: if (ei_status.dmaing) { ! 1380: printk(KERN_NOTICE "%s: DMAing conflict in dma_block_input." ! 1381: "[DMAstat:%1x][irqlock:%1x]\n", ! 1382: dev->name, ei_status.dmaing, ei_status.irqlock); ! 1383: return; ! 1384: } ! 1385: ei_status.dmaing |= 0x01; ! 1386: outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + PCNET_CMD); ! 1387: outb_p(count & 0xff, nic_base + EN0_RCNTLO); ! 1388: outb_p(count >> 8, nic_base + EN0_RCNTHI); ! 1389: outb_p(ring_offset & 0xff, nic_base + EN0_RSARLO); ! 1390: outb_p(ring_offset >> 8, nic_base + EN0_RSARHI); ! 1391: outb_p(E8390_RREAD+E8390_START, nic_base + PCNET_CMD); ! 1392: ! 1393: insw(nic_base + PCNET_DATAPORT,buf,count>>1); ! 1394: if (count & 0x01) ! 1395: buf[count-1] = inb(nic_base + PCNET_DATAPORT), xfer_count++; ! 1396: ! 1397: /* This was for the ALPHA version only, but enough people have ! 1398: encountering problems that it is still here. */ ! 1399: #ifdef PCMCIA_DEBUG ! 1400: if (ei_debug > 4) { /* DMA termination address check... */ ! 1401: int addr, tries = 20; ! 1402: do { ! 1403: /* DON'T check for 'inb_p(EN0_ISR) & ENISR_RDC' here ! 1404: -- it's broken for Rx on some cards! */ ! 1405: int high = inb_p(nic_base + EN0_RSARHI); ! 1406: int low = inb_p(nic_base + EN0_RSARLO); ! 1407: addr = (high << 8) + low; ! 1408: if (((ring_offset + xfer_count) & 0xff) == (addr & 0xff)) ! 1409: break; ! 1410: } while (--tries > 0); ! 1411: if (tries <= 0) ! 1412: printk(KERN_NOTICE "%s: RX transfer address mismatch," ! 1413: "%#4.4x (expected) vs. %#4.4x (actual).\n", ! 1414: dev->name, ring_offset + xfer_count, addr); ! 1415: } ! 1416: #endif ! 1417: outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ ! 1418: ei_status.dmaing &= ~0x01; ! 1419: } /* dma_block_input */ ! 1420: ! 1421: /*====================================================================*/ ! 1422: ! 1423: static void dma_block_output(struct net_device *dev, int count, ! 1424: const u_char *buf, const int start_page) ! 1425: { ! 1426: ioaddr_t nic_base = dev->base_addr; ! 1427: pcnet_dev_t *info = (pcnet_dev_t *)dev; ! 1428: #ifdef PCMCIA_DEBUG ! 1429: int retries = 0; ! 1430: #endif ! 1431: u_long dma_start; ! 1432: ! 1433: #ifdef PCMCIA_DEBUG ! 1434: if (ei_debug > 4) ! 1435: printk(KERN_DEBUG "%s: [bo=%d]\n", dev->name, count); ! 1436: #endif ! 1437: ! 1438: /* Round the count up for word writes. Do we need to do this? ! 1439: What effect will an odd byte count have on the 8390? ! 1440: I should check someday. */ ! 1441: if (count & 0x01) ! 1442: count++; ! 1443: if (ei_status.dmaing) { ! 1444: printk(KERN_NOTICE "%s: DMAing conflict in dma_block_output." ! 1445: "[DMAstat:%1x][irqlock:%1x]\n", ! 1446: dev->name, ei_status.dmaing, ei_status.irqlock); ! 1447: return; ! 1448: } ! 1449: ei_status.dmaing |= 0x01; ! 1450: /* We should already be in page 0, but to be safe... */ ! 1451: outb_p(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base+PCNET_CMD); ! 1452: ! 1453: #ifdef PCMCIA_DEBUG ! 1454: retry: ! 1455: #endif ! 1456: ! 1457: outb_p(ENISR_RDC, nic_base + EN0_ISR); ! 1458: ! 1459: /* Now the normal output. */ ! 1460: outb_p(count & 0xff, nic_base + EN0_RCNTLO); ! 1461: outb_p(count >> 8, nic_base + EN0_RCNTHI); ! 1462: outb_p(0x00, nic_base + EN0_RSARLO); ! 1463: outb_p(start_page, nic_base + EN0_RSARHI); ! 1464: ! 1465: outb_p(E8390_RWRITE+E8390_START, nic_base + PCNET_CMD); ! 1466: outsw(nic_base + PCNET_DATAPORT, buf, count>>1); ! 1467: ! 1468: dma_start = jiffies; ! 1469: ! 1470: #ifdef PCMCIA_DEBUG ! 1471: /* This was for the ALPHA version only, but enough people have ! 1472: encountering problems that it is still here. */ ! 1473: if (ei_debug > 4) { /* DMA termination address check... */ ! 1474: int addr, tries = 20; ! 1475: do { ! 1476: int high = inb_p(nic_base + EN0_RSARHI); ! 1477: int low = inb_p(nic_base + EN0_RSARLO); ! 1478: addr = (high << 8) + low; ! 1479: if ((start_page << 8) + count == addr) ! 1480: break; ! 1481: } while (--tries > 0); ! 1482: if (tries <= 0) { ! 1483: printk(KERN_NOTICE "%s: Tx packet transfer address mismatch," ! 1484: "%#4.4x (expected) vs. %#4.4x (actual).\n", ! 1485: dev->name, (start_page << 8) + count, addr); ! 1486: if (retries++ == 0) ! 1487: goto retry; ! 1488: } ! 1489: } ! 1490: #endif ! 1491: ! 1492: while ((inb_p(nic_base + EN0_ISR) & ENISR_RDC) == 0) ! 1493: if (jiffies - dma_start > PCNET_RDC_TIMEOUT) { ! 1494: printk(KERN_NOTICE "%s: timeout waiting for Tx RDC.\n", ! 1495: dev->name); ! 1496: pcnet_reset_8390(dev); ! 1497: NS8390_init(dev, 1); ! 1498: break; ! 1499: } ! 1500: ! 1501: outb_p(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ ! 1502: if (info->flags & DELAY_OUTPUT) ! 1503: udelay((long)delay_time); ! 1504: ei_status.dmaing &= ~0x01; ! 1505: } ! 1506: ! 1507: /*====================================================================*/ ! 1508: ! 1509: static int setup_dma_config(dev_link_t *link, int start_pg, ! 1510: int stop_pg) ! 1511: { ! 1512: struct net_device *dev = link->priv; ! 1513: ! 1514: ei_status.tx_start_page = start_pg; ! 1515: ei_status.rx_start_page = start_pg + TX_PAGES; ! 1516: ei_status.stop_page = stop_pg; ! 1517: ! 1518: /* set up block i/o functions */ ! 1519: ei_status.get_8390_hdr = &dma_get_8390_hdr; ! 1520: ei_status.block_input = &dma_block_input; ! 1521: ei_status.block_output = &dma_block_output; ! 1522: ! 1523: return 0; ! 1524: } ! 1525: ! 1526: /*====================================================================*/ ! 1527: ! 1528: static void copyin(u_char *dest, u_char *src, int c) ! 1529: { ! 1530: u_short *d = (u_short *)dest, *s = (u_short *)src; ! 1531: int odd; ! 1532: ! 1533: if (c <= 0) ! 1534: return; ! 1535: odd = (c & 1); c >>= 1; ! 1536: ! 1537: if (c) { ! 1538: do { *d++ = readw_ns(s++); } while (--c); ! 1539: } ! 1540: /* get last byte by fetching a word and masking */ ! 1541: if (odd) ! 1542: *((u_char *)d) = readw(s) & 0xff; ! 1543: } ! 1544: ! 1545: static void copyout(u_char *dest, const u_char *src, int c) ! 1546: { ! 1547: u_short *d = (u_short *)dest, *s = (u_short *)src; ! 1548: int odd; ! 1549: ! 1550: if (c <= 0) ! 1551: return; ! 1552: odd = (c & 1); c >>= 1; ! 1553: ! 1554: if (c) { ! 1555: do { writew_ns(*s++, d++); } while (--c); ! 1556: } ! 1557: /* copy last byte doing a read-modify-write */ ! 1558: if (odd) ! 1559: writew((readw(d) & 0xff00) | *(u_char *)s, d); ! 1560: } ! 1561: ! 1562: /*====================================================================*/ ! 1563: ! 1564: static void shmem_get_8390_hdr(struct net_device *dev, ! 1565: struct e8390_pkt_hdr *hdr, ! 1566: int ring_page) ! 1567: { ! 1568: void *xfer_start = (void *)(dev->rmem_start + (ring_page << 8) ! 1569: - (ei_status.rx_start_page << 8)); ! 1570: ! 1571: copyin((void *)hdr, xfer_start, sizeof(struct e8390_pkt_hdr)); ! 1572: /* Fix for big endian systems */ ! 1573: hdr->count = le16_to_cpu(hdr->count); ! 1574: } ! 1575: ! 1576: /*====================================================================*/ ! 1577: ! 1578: static void shmem_block_input(struct net_device *dev, int count, ! 1579: struct sk_buff *skb, int ring_offset) ! 1580: { ! 1581: void *xfer_start = (void *)(dev->rmem_start + ring_offset ! 1582: - (ei_status.rx_start_page << 8)); ! 1583: char *buf = skb->data; ! 1584: ! 1585: if (xfer_start + count > (void *)dev->rmem_end) { ! 1586: /* We must wrap the input move. */ ! 1587: int semi_count = (void*)dev->rmem_end - xfer_start; ! 1588: copyin(buf, xfer_start, semi_count); ! 1589: buf += semi_count; ! 1590: ring_offset = ei_status.rx_start_page << 8; ! 1591: xfer_start = (void *)dev->rmem_start; ! 1592: count -= semi_count; ! 1593: } ! 1594: copyin(buf, xfer_start, count); ! 1595: } ! 1596: ! 1597: /*====================================================================*/ ! 1598: ! 1599: static void shmem_block_output(struct net_device *dev, int count, ! 1600: const u_char *buf, const int start_page) ! 1601: { ! 1602: void *shmem = (void *)dev->mem_start + (start_page << 8); ! 1603: shmem -= ei_status.tx_start_page << 8; ! 1604: copyout(shmem, buf, count); ! 1605: } ! 1606: ! 1607: /*====================================================================*/ ! 1608: ! 1609: static int setup_shmem_window(dev_link_t *link, int start_pg, ! 1610: int stop_pg, int cm_offset) ! 1611: { ! 1612: struct net_device *dev = link->priv; ! 1613: pcnet_dev_t *info = link->priv; ! 1614: win_req_t req; ! 1615: memreq_t mem; ! 1616: int i, window_size, offset, last_ret, last_fn; ! 1617: ! 1618: window_size = (stop_pg - start_pg) << 8; ! 1619: if (window_size > 32 * 1024) ! 1620: window_size = 32 * 1024; ! 1621: ! 1622: /* Make sure it's a power of two. */ ! 1623: while ((window_size & (window_size - 1)) != 0) ! 1624: window_size += window_size & ~(window_size - 1); ! 1625: ! 1626: /* Allocate a memory window */ ! 1627: req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM|WIN_ENABLE; ! 1628: req.Attributes |= WIN_USE_WAIT; ! 1629: req.Base = 0; req.Size = window_size; ! 1630: req.AccessSpeed = mem_speed; ! 1631: link->win = (window_handle_t)link->handle; ! 1632: CS_CHECK(RequestWindow, &link->win, &req); ! 1633: ! 1634: mem.CardOffset = (start_pg << 8) + cm_offset; ! 1635: offset = mem.CardOffset % window_size; ! 1636: mem.CardOffset -= offset; ! 1637: mem.Page = 0; ! 1638: CS_CHECK(MapMemPage, link->win, &mem); ! 1639: ! 1640: /* Try scribbling on the buffer */ ! 1641: info->base = ioremap(req.Base, window_size); ! 1642: for (i = 0; i < (TX_PAGES<<8); i += 2) ! 1643: writew_ns((i>>1), info->base+offset+i); ! 1644: udelay(100); ! 1645: for (i = 0; i < (TX_PAGES<<8); i += 2) ! 1646: if (readw_ns(info->base+offset+i) != (i>>1)) break; ! 1647: pcnet_reset_8390(dev); ! 1648: if (i != (TX_PAGES<<8)) { ! 1649: iounmap(info->base); ! 1650: CardServices(ReleaseWindow, link->win); ! 1651: info->base = NULL; link->win = NULL; ! 1652: goto failed; ! 1653: } ! 1654: ! 1655: dev->mem_start = (u_long)info->base + offset; ! 1656: dev->rmem_start = dev->mem_start + (TX_PAGES<<8); ! 1657: dev->mem_end = dev->rmem_end = (u_long)info->base + req.Size; ! 1658: ! 1659: ei_status.tx_start_page = start_pg; ! 1660: ei_status.rx_start_page = start_pg + TX_PAGES; ! 1661: ei_status.stop_page = start_pg + ((req.Size - offset) >> 8); ! 1662: ! 1663: /* set up block i/o functions */ ! 1664: ei_status.get_8390_hdr = &shmem_get_8390_hdr; ! 1665: ei_status.block_input = &shmem_block_input; ! 1666: ei_status.block_output = &shmem_block_output; ! 1667: ! 1668: info->flags |= USE_SHMEM; ! 1669: return 0; ! 1670: ! 1671: cs_failed: ! 1672: cs_error(link->handle, last_fn, last_ret); ! 1673: failed: ! 1674: return 1; ! 1675: } ! 1676: ! 1677: /*====================================================================*/ ! 1678: ! 1679: static int __init init_pcnet_cs(void) ! 1680: { ! 1681: servinfo_t serv; ! 1682: DEBUG(0, "%s\n", version); ! 1683: CardServices(GetCardServicesInfo, &serv); ! 1684: if (serv.Revision != CS_RELEASE_CODE) { ! 1685: printk(KERN_NOTICE "pcnet_cs: Card Services release " ! 1686: "does not match!\n"); ! 1687: return -EINVAL; ! 1688: } ! 1689: register_pccard_driver(&dev_info, &pcnet_attach, &pcnet_detach); ! 1690: return 0; ! 1691: } ! 1692: ! 1693: static void __exit exit_pcnet_cs(void) ! 1694: { ! 1695: DEBUG(0, "pcnet_cs: unloading\n"); ! 1696: unregister_pccard_driver(&dev_info); ! 1697: while (dev_list != NULL) ! 1698: pcnet_detach(dev_list); ! 1699: } ! 1700: ! 1701: module_init(init_pcnet_cs); ! 1702: module_exit(exit_pcnet_cs);
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.