smc91c92_cs.c

pcmcia驱动源代码,直接可以在linux2.6下使用 !

    readb(smc->base+MEGAHERTZ_ISR);
    udelay(5);
    readb(smc->base+MEGAHERTZ_ISR);

    /* Pause 200ms... */
    mdelay(200);

    /* Now read and write the COR... */
    tmp = readb(smc->base + link->conf.ConfigBase + CISREG_COR);
    udelay(5);
    writeb(tmp, smc->base + link->conf.ConfigBase + CISREG_COR);

    return 0;
}

static int mhz_mfc_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    struct smc_private *smc = netdev_priv(dev);
    struct smc_cfg_mem *cfg_mem;
    tuple_t *tuple;
    cisparse_t *parse;
    cistpl_cftable_entry_t *cf;
    u_char *buf;
    win_req_t req;
    memreq_t mem;
    int i, k;

    cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL);
    if (!cfg_mem)
        return CS_OUT_OF_RESOURCE;

    tuple = &cfg_mem->tuple;
    parse = &cfg_mem->parse;
    cf = &parse->cftable_entry;
    buf = cfg_mem->buf;

    link->conf.Attributes |= CONF_ENABLE_SPKR;
    link->conf.Status = CCSR_AUDIO_ENA;
    link->irq.Attributes =
	IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED|IRQ_HANDLE_PRESENT;
    link->io.IOAddrLines = 16;
    link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
    link->io.NumPorts2 = 8;

    tuple->Attributes = tuple->TupleOffset = 0;
    tuple->TupleData = (cisdata_t *)buf;
    tuple->TupleDataMax = 255;
    tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;

    i = first_tuple(link, tuple, parse);
    /* The Megahertz combo cards have modem-like CIS entries, so
       we have to explicitly try a bunch of port combinations. */
    while (i == CS_SUCCESS) {
	link->conf.ConfigIndex = cf->index;
	link->io.BasePort2 = cf->io.win[0].base;
	for (k = 0; k < 0x400; k += 0x10) {
	    if (k & 0x80) continue;
	    link->io.BasePort1 = k ^ 0x300;
	    i = pcmcia_request_io(link, &link->io);
	    if (i == CS_SUCCESS) break;
	}
	if (i == CS_SUCCESS) break;
	i = next_tuple(link, tuple, parse);
    }
    if (i != CS_SUCCESS)
	goto free_cfg_mem;
    dev->base_addr = link->io.BasePort1;

    /* Allocate a memory window, for accessing the ISR */
    req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
    req.Base = req.Size = 0;
    req.AccessSpeed = 0;
    i = pcmcia_request_window(&link, &req, &link->win);
    if (i != CS_SUCCESS)
	goto free_cfg_mem;
    smc->base = ioremap(req.Base, req.Size);
    mem.CardOffset = mem.Page = 0;
    if (smc->manfid == MANFID_MOTOROLA)
	mem.CardOffset = link->conf.ConfigBase;
    i = pcmcia_map_mem_page(link->win, &mem);

    if ((i == CS_SUCCESS)
	&& (smc->manfid == MANFID_MEGAHERTZ)
	&& (smc->cardid == PRODID_MEGAHERTZ_EM3288))
	mhz_3288_power(link);

free_cfg_mem:
    kfree(cfg_mem);
    return i;
}

static int mhz_setup(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    struct smc_cfg_mem *cfg_mem;
    tuple_t *tuple;
    cisparse_t *parse;
    u_char *buf, *station_addr;
    int rc;

    cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL);
    if (!cfg_mem)
	return -1;

    tuple = &cfg_mem->tuple;
    parse = &cfg_mem->parse;
    buf = cfg_mem->buf;

    tuple->Attributes = tuple->TupleOffset = 0;
    tuple->TupleData = (cisdata_t *)buf;
    tuple->TupleDataMax = 255;

    /* Read the station address from the CIS.  It is stored as the last
       (fourth) string in the Version 1 Version/ID tuple. */
    if (link->prod_id[3]) {
	station_addr = link->prod_id[3];
	if (cvt_ascii_address(dev, station_addr) == 0) {
		rc = 0;
		goto free_cfg_mem;
	}
    }

    /* Another possibility: for the EM3288, in a special tuple */
    tuple->DesiredTuple = 0x81;
    if (pcmcia_get_first_tuple(link, tuple) != CS_SUCCESS) {
	rc = -1;
	goto free_cfg_mem;
    }
    if (pcmcia_get_tuple_data(link, tuple) != CS_SUCCESS) {
	rc = -1;
	goto free_cfg_mem;
    }
    buf[12] = '\0';
    if (cvt_ascii_address(dev, buf) == 0) {
	rc = 0;
	goto free_cfg_mem;
   }
    rc = -1;
free_cfg_mem:
   kfree(cfg_mem);
   return rc;
}

/*======================================================================

    Configuration stuff for the Motorola Mariner

    mot_config() writes directly to the Mariner configuration
    registers because the CIS is just bogus.

======================================================================*/

static void mot_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    struct smc_private *smc = netdev_priv(dev);
    kio_addr_t ioaddr = dev->base_addr;
    kio_addr_t iouart = link->io.BasePort2;

    /* Set UART base address and force map with COR bit 1 */
    writeb(iouart & 0xff,        smc->base + MOT_UART + CISREG_IOBASE_0);
    writeb((iouart >> 8) & 0xff, smc->base + MOT_UART + CISREG_IOBASE_1);
    writeb(MOT_NORMAL,           smc->base + MOT_UART + CISREG_COR);

    /* Set SMC base address and force map with COR bit 1 */
    writeb(ioaddr & 0xff,        smc->base + MOT_LAN + CISREG_IOBASE_0);
    writeb((ioaddr >> 8) & 0xff, smc->base + MOT_LAN + CISREG_IOBASE_1);
    writeb(MOT_NORMAL,           smc->base + MOT_LAN + CISREG_COR);

    /* Wait for things to settle down */
    mdelay(100);
}

static int mot_setup(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    kio_addr_t ioaddr = dev->base_addr;
    int i, wait, loop;
    u_int addr;

    /* Read Ethernet address from Serial EEPROM */

    for (i = 0; i < 3; i++) {
	SMC_SELECT_BANK(2);
	outw(MOT_EEPROM + i, ioaddr + POINTER);
	SMC_SELECT_BANK(1);
	outw((CTL_RELOAD | CTL_EE_SELECT), ioaddr + CONTROL);

	for (loop = wait = 0; loop < 200; loop++) {
	    udelay(10);
	    wait = ((CTL_RELOAD | CTL_STORE) & inw(ioaddr + CONTROL));
	    if (wait == 0) break;
	}
	
	if (wait)
	    return -1;
	
	addr = inw(ioaddr + GENERAL);
	dev->dev_addr[2*i]   = addr & 0xff;
	dev->dev_addr[2*i+1] = (addr >> 8) & 0xff;
    }

    return 0;
}

/*====================================================================*/

static int smc_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    struct smc_cfg_mem *cfg_mem;
    tuple_t *tuple;
    cisparse_t *parse;
    cistpl_cftable_entry_t *cf;
    u_char *buf;
    int i;

    cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL);
    if (!cfg_mem)
	return CS_OUT_OF_RESOURCE;

    tuple = &cfg_mem->tuple;
    parse = &cfg_mem->parse;
    cf = &parse->cftable_entry;
    buf = cfg_mem->buf;

    tuple->Attributes = tuple->TupleOffset = 0;
    tuple->TupleData = (cisdata_t *)buf;
    tuple->TupleDataMax = 255;
    tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;

    link->io.NumPorts1 = 16;
    i = first_tuple(link, tuple, parse);
    while (i != CS_NO_MORE_ITEMS) {
	if (i == CS_SUCCESS) {
	    link->conf.ConfigIndex = cf->index;
	    link->io.BasePort1 = cf->io.win[0].base;
	    link->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK;
	    i = pcmcia_request_io(link, &link->io);
	    if (i == CS_SUCCESS) break;
	}
	i = next_tuple(link, tuple, parse);
    }
    if (i == CS_SUCCESS)
	dev->base_addr = link->io.BasePort1;

    kfree(cfg_mem);
    return i;
}

static int smc_setup(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    struct smc_cfg_mem *cfg_mem;
    tuple_t *tuple;
    cisparse_t *parse;
    cistpl_lan_node_id_t *node_id;
    u_char *buf, *station_addr;
    int i, rc;

    cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL);
    if (!cfg_mem)
	return CS_OUT_OF_RESOURCE;

    tuple = &cfg_mem->tuple;
    parse = &cfg_mem->parse;
    buf = cfg_mem->buf;

    tuple->Attributes = tuple->TupleOffset = 0;
    tuple->TupleData = (cisdata_t *)buf;
    tuple->TupleDataMax = 255;

    /* Check for a LAN function extension tuple */
    tuple->DesiredTuple = CISTPL_FUNCE;
    i = first_tuple(link, tuple, parse);
    while (i == CS_SUCCESS) {
	if (parse->funce.type == CISTPL_FUNCE_LAN_NODE_ID)
	    break;
	i = next_tuple(link, tuple, parse);
    }
    if (i == CS_SUCCESS) {
	node_id = (cistpl_lan_node_id_t *)parse->funce.data;
	if (node_id->nb == 6) {
	    for (i = 0; i < 6; i++)
		dev->dev_addr[i] = node_id->id[i];
	    rc = 0;
	    goto free_cfg_mem;
	}
    }
    /* Try the third string in the Version 1 Version/ID tuple. */
    if (link->prod_id[2]) {
	station_addr = link->prod_id[2];
	if (cvt_ascii_address(dev, station_addr) == 0) {
		rc = 0;
		goto free_cfg_mem;
	}
    }

    rc = -1;
free_cfg_mem:
    kfree(cfg_mem);
    return rc;
}

/*====================================================================*/

static int osi_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    static const kio_addr_t com[4] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
    int i, j;

    link->conf.Attributes |= CONF_ENABLE_SPKR;
    link->conf.Status = CCSR_AUDIO_ENA;
    link->irq.Attributes =
	IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED|IRQ_HANDLE_PRESENT;
    link->io.NumPorts1 = 64;
    link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
    link->io.NumPorts2 = 8;
    link->io.IOAddrLines = 16;

    /* Enable Hard Decode, LAN, Modem */
    link->conf.ConfigIndex = 0x23;

    for (i = j = 0; j < 4; j++) {
	link->io.BasePort2 = com[j];
	i = pcmcia_request_io(link, &link->io);
	if (i == CS_SUCCESS) break;
    }
    if (i != CS_SUCCESS) {
	/* Fallback: turn off hard decode */
	link->conf.ConfigIndex = 0x03;
	link->io.NumPorts2 = 0;
	i = pcmcia_request_io(link, &link->io);
    }
    dev->base_addr = link->io.BasePort1 + 0x10;
    return i;
}

static int osi_setup(struct pcmcia_device *link, u_short manfid, u_short cardid)
{
    struct net_device *dev = link->priv;
    struct smc_cfg_mem *cfg_mem;
    tuple_t *tuple;
    u_char *buf;
    int i, rc;

    cfg_mem = kmalloc(sizeof(struct smc_cfg_mem), GFP_KERNEL);
    if (!cfg_mem)
        return -1;

    tuple = &cfg_mem->tuple;
    buf = cfg_mem->buf;

    tuple->Attributes = TUPLE_RETURN_COMMON;
    tuple->TupleData = (cisdata_t *)buf;
    tuple->TupleDataMax = 255;
    tuple->TupleOffset = 0;

    /* Read the station address from tuple 0x90, subtuple 0x04 */
    tuple->DesiredTuple = 0x90;
    i = pcmcia_get_first_tuple(link, tuple);
    while (i == CS_SUCCESS) {
	i = pcmcia_get_tuple_data(link, tuple);
	if ((i != CS_SUCCESS) || (buf[0] == 0x04))
	    break;
	i = pcmcia_get_next_tuple(link, tuple);
    }
    if (i != CS_SUCCESS) {
	rc = -1;
	goto free_cfg_mem;
    }
    for (i = 0; i < 6; i++)
	dev->dev_addr[i] = buf[i+2];

    if (((manfid == MANFID_OSITECH) &&
	 (cardid == PRODID_OSITECH_SEVEN)) ||
	((manfid == MANFID_PSION) &&
	 (cardid == PRODID_PSION_NET100))) {
	/* Download the Seven of Diamonds firmware */
	for (i = 0; i < sizeof(__Xilinx7OD); i++) {
	    outb(__Xilinx7OD[i], link->io.BasePort1+2);
	    udelay(50);
	}
    } else if (manfid == MANFID_OSITECH) {
	/* Make sure both functions are powered up */
	set_bits(0x300, link->io.BasePort1 + OSITECH_AUI_PWR);
	/* Now, turn on the interrupt for both card functions */
	set_bits(0x300, link->io.BasePort1 + OSITECH_RESET_ISR);
	DEBUG(2, "AUI/PWR: %4.4x RESET/ISR: %4.4x\n",
	      inw(link->io.BasePort1 + OSITECH_AUI_PWR),
	      inw(link->io.BasePort1 + OSITECH_RESET_ISR));
    }
    rc = 0;
free_cfg_mem:
   kfree(cfg_mem);
   return rc;
}

static int smc91c92_suspend(struct pcmcia_device *link)
{
	struct net_device *dev = link->priv;

	if (link->open)
		netif_device_detach(dev);

	return 0;
}

static int smc91c92_resume(struct pcmcia_device *link)
{
	struct net_device *dev = link->priv;
	struct smc_private *smc = netdev_priv(dev);
	int i;

	if ((smc->manfid == MANFID_MEGAHERTZ) &&
	    (smc->cardid == PRODID_MEGAHERTZ_EM3288))
		mhz_3288_power(link);
	if (smc->manfid == MANFID_MOTOROLA)
		mot_config(link);
	if ((smc->manfid == MANFID_OSITECH) &&
	    (smc->cardid != PRODID_OSITECH_SEVEN)) {
		/* Power up the card and enable interrupts */
		set_bits(0x0300, dev->base_addr-0x10+OSITECH_AUI_PWR);
		set_bits(0x0300, dev->base_addr-0x10+OSITECH_RESET_ISR);
	}
	if (((smc->manfid == MANFID_OSITECH) &&
	     (smc->cardid == PRODID_OSITECH_SEVEN)) ||
	    ((smc->manfid == MANFID_PSION) &&
	     (smc->cardid == PRODID_PSION_NET100))) {
		/* Download the Seven of Diamonds firmware */
		for (i = 0; i < sizeof(__Xilinx7OD); i++) {
			outb(__Xilinx7OD[i], link->io.BasePort1+2);
			udelay(50);
		}
	}
	if (link->open) {
		smc_reset(dev);
		netif_device_attach(dev);
	}

	return 0;
}


/*======================================================================