#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
-#ifdef CONFIG_NET_RADIO
#include <linux/wireless.h>
#include <net/iw_handler.h>
-#endif
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#define DEBUG(n, args...)
#endif
-static dev_info_t dev_info = "netwave_cs";
-
/*====================================================================*/
/* Parameters that can be set with 'insmod' */
/*====================================================================*/
/* PCMCIA (Card Services) related functions */
-static void netwave_release(dev_link_t *link); /* Card removal */
-static int netwave_event(event_t event, int priority,
- event_callback_args_t *args);
-static void netwave_pcmcia_config(dev_link_t *arg); /* Runs after card
+static void netwave_release(struct pcmcia_device *link); /* Card removal */
+static int netwave_pcmcia_config(struct pcmcia_device *arg); /* Runs after card
insertion */
-static dev_link_t *netwave_attach(void); /* Create instance */
-static void netwave_detach(dev_link_t *); /* Destroy instance */
+static void netwave_detach(struct pcmcia_device *p_dev); /* Destroy instance */
/* Hardware configuration */
static void netwave_doreset(kio_addr_t iobase, u_char __iomem *ramBase);
static void set_multicast_list(struct net_device *dev);
/*
- A linked list of "instances" of the skeleton device. Each actual
- PCMCIA card corresponds to one device instance, and is described
- by one dev_link_t structure (defined in ds.h).
-
- You may not want to use a linked list for this -- for example, the
- memory card driver uses an array of dev_link_t pointers, where minor
- device numbers are used to derive the corresponding array index.
-*/
-static dev_link_t *dev_list;
-
-/*
- A dev_link_t structure has fields for most things that are needed
+ A struct pcmcia_device structure has fields for most things that are needed
to keep track of a socket, but there will usually be some device
specific information that also needs to be kept track of. The
- 'priv' pointer in a dev_link_t structure can be used to point to
+ 'priv' pointer in a struct pcmcia_device structure can be used to point to
a device-specific private data structure, like this.
A driver needs to provide a dev_node_t structure for each device
example, ethernet cards, modems). In other cases, there may be
many actual or logical devices (SCSI adapters, memory cards with
multiple partitions). The dev_node_t structures need to be kept
- in a linked list starting at the 'dev' field of a dev_link_t
+ in a linked list starting at the 'dev' field of a struct pcmcia_device
structure. We allocate them in the card's private data structure,
because they generally can't be allocated dynamically.
*/
};
typedef struct netwave_private {
- dev_link_t link;
+ struct pcmcia_device *p_dev;
spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
dev_node_t node;
u_char __iomem *ramBase;
* configure the card at this point -- we wait until we receive a
* card insertion event.
*/
-static dev_link_t *netwave_attach(void)
+static int netwave_probe(struct pcmcia_device *link)
{
- client_reg_t client_reg;
- dev_link_t *link;
struct net_device *dev;
netwave_private *priv;
- int ret;
-
+
DEBUG(0, "netwave_attach()\n");
-
- /* Initialize the dev_link_t structure */
+
+ /* Initialize the struct pcmcia_device structure */
dev = alloc_etherdev(sizeof(netwave_private));
if (!dev)
- return NULL;
+ return -ENOMEM;
priv = netdev_priv(dev);
- link = &priv->link;
+ priv->p_dev = link;
link->priv = dev;
/* The io structure describes IO port mapping */
/* General socket configuration */
link->conf.Attributes = CONF_ENABLE_IRQ;
- link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
link->conf.ConfigIndex = 1;
link->conf.Present = PRESENT_OPTION;
dev->open = &netwave_open;
dev->stop = &netwave_close;
link->irq.Instance = dev;
-
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
- client_reg.dev_info = &dev_info;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
- ret = pcmcia_register_client(&link->handle, &client_reg);
- if (ret != 0) {
- cs_error(link->handle, RegisterClient, ret);
- netwave_detach(link);
- return NULL;
- }
- return link;
+ return netwave_pcmcia_config( link);
} /* netwave_attach */
/*
* structures are freed. Otherwise, the structures will be freed
* when the device is released.
*/
-static void netwave_detach(dev_link_t *link)
+static void netwave_detach(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
- dev_link_t **linkp;
+ struct net_device *dev = link->priv;
+
+ DEBUG(0, "netwave_detach(0x%p)\n", link);
- DEBUG(0, "netwave_detach(0x%p)\n", link);
-
- /*
- If the device is currently configured and active, we won't
- actually delete it yet. Instead, it is marked so that when
- the release() function is called, that will trigger a proper
- detach().
- */
- if (link->state & DEV_CONFIG)
netwave_release(link);
-
- /* Break the link with Card Services */
- if (link->handle)
- pcmcia_deregister_client(link->handle);
-
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link) break;
- if (*linkp == NULL)
- {
- DEBUG(1, "netwave_cs: detach fail, '%s' not in list\n",
- link->dev->dev_name);
- return;
- }
-
- /* Unlink device structure, free pieces */
- *linkp = link->next;
- if (link->dev)
- unregister_netdev(dev);
- free_netdev(dev);
-
+
+ if (link->dev_node)
+ unregister_netdev(dev);
+
+ free_netdev(dev);
} /* netwave_detach */
/*
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-static void netwave_pcmcia_config(dev_link_t *link) {
- client_handle_t handle = link->handle;
+static int netwave_pcmcia_config(struct pcmcia_device *link) {
struct net_device *dev = link->priv;
netwave_private *priv = netdev_priv(dev);
tuple_t tuple;
tuple.TupleDataMax = 64;
tuple.TupleOffset = 0;
tuple.DesiredTuple = CISTPL_CONFIG;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
- CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
- CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
+ CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
+ CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
+ CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse));
link->conf.ConfigBase = parse.config.base;
link->conf.Present = parse.config.rmask[0];
- /* Configure card */
- link->state |= DEV_CONFIG;
-
/*
* Try allocating IO ports. This tries a few fixed addresses.
* If you want, you can also read the card's config table to
*/
for (i = j = 0x0; j < 0x400; j += 0x20) {
link->io.BasePort1 = j ^ 0x300;
- i = pcmcia_request_io(link->handle, &link->io);
+ i = pcmcia_request_io(link, &link->io);
if (i == CS_SUCCESS) break;
}
if (i != CS_SUCCESS) {
- cs_error(link->handle, RequestIO, i);
+ cs_error(link, RequestIO, i);
goto failed;
}
* Now allocate an interrupt line. Note that this does not
* actually assign a handler to the interrupt.
*/
- CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
+ CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
/*
* This actually configures the PCMCIA socket -- setting up
* the I/O windows and the interrupt mapping.
*/
- CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
+ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
/*
- * Allocate a 32K memory window. Note that the dev_link_t
+ * Allocate a 32K memory window. Note that the struct pcmcia_device
* structure provides space for one window handle -- if your
* device needs several windows, you'll need to keep track of
* the handles in your private data structure, dev->priv.
req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_CM|WIN_ENABLE;
req.Base = 0; req.Size = 0x8000;
req.AccessSpeed = mem_speed;
- CS_CHECK(RequestWindow, pcmcia_request_window(&link->handle, &req, &link->win));
+ CS_CHECK(RequestWindow, pcmcia_request_window(&link, &req, &link->win));
mem.CardOffset = 0x20000; mem.Page = 0;
CS_CHECK(MapMemPage, pcmcia_map_mem_page(link->win, &mem));
dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1;
- SET_NETDEV_DEV(dev, &handle_to_dev(handle));
+ SET_NETDEV_DEV(dev, &handle_to_dev(link));
if (register_netdev(dev) != 0) {
printk(KERN_DEBUG "netwave_cs: register_netdev() failed\n");
}
strcpy(priv->node.dev_name, dev->name);
- link->dev = &priv->node;
- link->state &= ~DEV_CONFIG_PENDING;
+ link->dev_node = &priv->node;
/* Reset card before reading physical address */
netwave_doreset(dev->base_addr, ramBase);
printk(KERN_DEBUG "Netwave_reset: revision %04x %04x\n",
get_uint16(ramBase + NETWAVE_EREG_ARW),
get_uint16(ramBase + NETWAVE_EREG_ARW+2));
- return;
+ return 0;
cs_failed:
- cs_error(link->handle, last_fn, last_ret);
+ cs_error(link, last_fn, last_ret);
failed:
netwave_release(link);
+ return -ENODEV;
} /* netwave_pcmcia_config */
/*
* device, and release the PCMCIA configuration. If the device is
* still open, this will be postponed until it is closed.
*/
-static void netwave_release(dev_link_t *link)
+static void netwave_release(struct pcmcia_device *link)
{
- struct net_device *dev = link->priv;
- netwave_private *priv = netdev_priv(dev);
+ struct net_device *dev = link->priv;
+ netwave_private *priv = netdev_priv(dev);
- DEBUG(0, "netwave_release(0x%p)\n", link);
+ DEBUG(0, "netwave_release(0x%p)\n", link);
- /* Don't bother checking to see if these succeed or not */
- if (link->win) {
- iounmap(priv->ramBase);
- pcmcia_release_window(link->win);
- }
- pcmcia_release_configuration(link->handle);
- pcmcia_release_io(link->handle, &link->io);
- pcmcia_release_irq(link->handle, &link->irq);
-
- link->state &= ~DEV_CONFIG;
+ pcmcia_disable_device(link);
+ if (link->win)
+ iounmap(priv->ramBase);
}
-static int netwave_suspend(struct pcmcia_device *p_dev)
+static int netwave_suspend(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = link->priv;
- link->state |= DEV_SUSPEND;
- if (link->state & DEV_CONFIG) {
- if (link->open)
- netif_device_detach(dev);
- pcmcia_release_configuration(link->handle);
- }
+ if (link->open)
+ netif_device_detach(dev);
return 0;
}
-static int netwave_resume(struct pcmcia_device *p_dev)
+static int netwave_resume(struct pcmcia_device *link)
{
- dev_link_t *link = dev_to_instance(p_dev);
struct net_device *dev = link->priv;
- link->state &= ~DEV_SUSPEND;
- if (link->state & DEV_CONFIG) {
- pcmcia_request_configuration(link->handle, &link->conf);
- if (link->open) {
- netwave_reset(dev);
- netif_device_attach(dev);
- }
+ if (link->open) {
+ netwave_reset(dev);
+ netif_device_attach(dev);
}
return 0;
}
-/*
- * Function netwave_event (event, priority, args)
- *
- * The card status event handler. Mostly, this schedules other
- * stuff to run after an event is received. A CARD_REMOVAL event
- * also sets some flags to discourage the net drivers from trying
- * to talk to the card any more.
- *
- * When a CARD_REMOVAL event is received, we immediately set a flag
- * to block future accesses to this device. All the functions that
- * actually access the device should check this flag to make sure
- * the card is still present.
- *
- */
-static int netwave_event(event_t event, int priority,
- event_callback_args_t *args)
-{
- dev_link_t *link = args->client_data;
- struct net_device *dev = link->priv;
-
- DEBUG(1, "netwave_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_REGISTRATION_COMPLETE:
- DEBUG(0, "netwave_cs: registration complete\n");
- break;
-
- case CS_EVENT_CARD_REMOVAL:
- link->state &= ~DEV_PRESENT;
- if (link->state & DEV_CONFIG) {
- netif_device_detach(dev);
- netwave_release(link);
- }
- break;
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- netwave_pcmcia_config( link);
- break;
- }
- return 0;
-} /* netwave_event */
-
/*
* Function netwave_doreset (ioBase, ramBase)
*
u_char __iomem *ramBase;
struct net_device *dev = (struct net_device *)dev_id;
struct netwave_private *priv = netdev_priv(dev);
- dev_link_t *link = &priv->link;
+ struct pcmcia_device *link = priv->p_dev;
int i;
if (!netif_device_present(dev))
status = inb(iobase + NETWAVE_REG_ASR);
- if (!DEV_OK(link)) {
+ if (!pcmcia_dev_present(link)) {
DEBUG(1, "netwave_interrupt: Interrupt with status 0x%x "
"from removed or suspended card!\n", status);
break;
static int netwave_open(struct net_device *dev) {
netwave_private *priv = netdev_priv(dev);
- dev_link_t *link = &priv->link;
+ struct pcmcia_device *link = priv->p_dev;
DEBUG(1, "netwave_open: starting.\n");
- if (!DEV_OK(link))
+ if (!pcmcia_dev_present(link))
return -ENODEV;
link->open++;
static int netwave_close(struct net_device *dev) {
netwave_private *priv = netdev_priv(dev);
- dev_link_t *link = &priv->link;
+ struct pcmcia_device *link = priv->p_dev;
DEBUG(1, "netwave_close: finishing.\n");
.drv = {
.name = "netwave_cs",
},
- .attach = netwave_attach,
- .event = netwave_event,
- .detach = netwave_detach,
+ .probe = netwave_probe,
+ .remove = netwave_detach,
.id_table = netwave_ids,
.suspend = netwave_suspend,
.resume = netwave_resume,
static void __exit exit_netwave_cs(void)
{
pcmcia_unregister_driver(&netwave_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_netwave_cs);