nfs: new subdir Documentation/filesystems/nfs
[safe/jmp/linux-2.6] / drivers / telephony / ixj_pcmcia.c
index 7cca46b..347c3ed 100644 (file)
@@ -3,7 +3,6 @@
 #include <linux/module.h>
 
 #include <linux/init.h>
-#include <linux/sched.h>
 #include <linux/kernel.h>      /* printk() */
 #include <linux/fs.h>          /* everything... */
 #include <linux/errno.h>       /* error codes */
@@ -34,101 +33,55 @@ typedef struct ixj_info_t {
        struct ixj *port;
 } ixj_info_t;
 
-static dev_link_t *ixj_attach(void);
-static void ixj_detach(dev_link_t *);
-static void ixj_config(dev_link_t * link);
-static void ixj_cs_release(dev_link_t * link);
-static int ixj_event(event_t event, int priority, event_callback_args_t * args);
-static dev_info_t dev_info = "ixj_cs";
-static dev_link_t *dev_list = NULL;
+static void ixj_detach(struct pcmcia_device *p_dev);
+static int ixj_config(struct pcmcia_device * link);
+static void ixj_cs_release(struct pcmcia_device * link);
 
-static dev_link_t *ixj_attach(void)
+static int ixj_probe(struct pcmcia_device *p_dev)
 {
-       client_reg_t client_reg;
-       dev_link_t *link;
-       int ret;
        DEBUG(0, "ixj_attach()\n");
        /* Create new ixj device */
-       link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
-       if (!link)
-               return NULL;
-       memset(link, 0, sizeof(struct dev_link_t));
-       link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-       link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
-       link->io.IOAddrLines = 3;
-       link->conf.Vcc = 50;
-       link->conf.IntType = INT_MEMORY_AND_IO;
-       link->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
-       if (!link->priv) {
-               kfree(link);
-               return NULL;
+       p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+       p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
+       p_dev->io.IOAddrLines = 3;
+       p_dev->conf.IntType = INT_MEMORY_AND_IO;
+       p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
+       if (!p_dev->priv) {
+               return -ENOMEM;
        }
-       memset(link->priv, 0, sizeof(struct ixj_info_t));
-       /* 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 != CS_SUCCESS) {
-               cs_error(link->handle, RegisterClient, ret);
-               ixj_detach(link);
-               return NULL;
-       }
-       return link;
+
+       return ixj_config(p_dev);
 }
 
-static void ixj_detach(dev_link_t * link)
+static void ixj_detach(struct pcmcia_device *link)
 {
-       dev_link_t **linkp;
-       int ret;
        DEBUG(0, "ixj_detach(0x%p)\n", link);
-       for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-               if (*linkp == link)
-                       break;
-       if (*linkp == NULL)
-               return;
-       link->state &= ~DEV_RELEASE_PENDING;
-       if (link->state & DEV_CONFIG)
-               ixj_cs_release(link);
-       if (link->handle) {
-               ret = pcmcia_deregister_client(link->handle);
-               if (ret != CS_SUCCESS)
-                       cs_error(link->handle, DeregisterClient, ret);
-       }
-       /* Unlink device structure, free bits */
-       *linkp = link->next;
+
+       ixj_cs_release(link);
+
         kfree(link->priv);
-        kfree(link);
 }
 
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static void ixj_get_serial(dev_link_t * link, IXJ * j)
+static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
 {
-       client_handle_t handle;
-       tuple_t tuple;
-       u_short buf[128];
        char *str;
-       int last_ret, last_fn, i, place;
-       handle = link->handle;
+       int i, place;
        DEBUG(0, "ixj_get_serial(0x%p)\n", link);
-       tuple.TupleData = (cisdata_t *) buf;
-       tuple.TupleOffset = 0;
-       tuple.TupleDataMax = 80;
-       tuple.Attributes = 0;
-       tuple.DesiredTuple = CISTPL_VERS_1;
-       CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
-       CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
-       str = (char *) buf;
-       printk("PCMCIA Version %d.%d\n", str[0], str[1]);
-       str += 2;
+
+       str = link->prod_id[0];
+       if (!str)
+               goto cs_failed;
        printk("%s", str);
-       str = str + strlen(str) + 1;
+       str = link->prod_id[1];
+       if (!str)
+               goto cs_failed;
        printk(" %s", str);
-       str = str + strlen(str) + 1;
+       str = link->prod_id[2];
+       if (!str)
+               goto cs_failed;
        place = 1;
        for (i = strlen(str) - 1; i >= 0; i--) {
                switch (str[i]) {
@@ -163,138 +116,71 @@ static void ixj_get_serial(dev_link_t * link, IXJ * j)
                }
                place = place * 0x10;
        }
-       str = str + strlen(str) + 1;
+       str = link->prod_id[3];
+       if (!str)
+               goto cs_failed;
        printk(" version %s\n", str);
       cs_failed:
        return;
 }
 
-static void ixj_config(dev_link_t * link)
+static int ixj_config_check(struct pcmcia_device *p_dev,
+                           cistpl_cftable_entry_t *cfg,
+                           cistpl_cftable_entry_t *dflt,
+                           unsigned int vcc,
+                           void *priv_data)
+{
+       if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+               cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
+               p_dev->io.BasePort1 = io->win[0].base;
+               p_dev->io.NumPorts1 = io->win[0].len;
+               if (io->nwin == 2) {
+                       p_dev->io.BasePort2 = io->win[1].base;
+                       p_dev->io.NumPorts2 = io->win[1].len;
+               }
+               if (!pcmcia_request_io(p_dev, &p_dev->io))
+                       return 0;
+       }
+       return -ENODEV;
+}
+
+static int ixj_config(struct pcmcia_device * link)
 {
        IXJ *j;
-       client_handle_t handle;
        ixj_info_t *info;
-       tuple_t tuple;
-       u_short buf[128];
-       cisparse_t parse;
-       config_info_t conf;
-       cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
-       cistpl_cftable_entry_t dflt =
-       {
-               0
-       };
-       int last_ret, last_fn;
-       handle = link->handle;
+       cistpl_cftable_entry_t dflt = { 0 };
+
        info = link->priv;
        DEBUG(0, "ixj_config(0x%p)\n", link);
-       tuple.TupleData = (cisdata_t *) buf;
-       tuple.TupleOffset = 0;
-       tuple.TupleDataMax = 255;
-       tuple.Attributes = 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));
-       link->conf.ConfigBase = parse.config.base;
-       link->conf.Present = parse.config.rmask[0];
-       link->state |= DEV_CONFIG;
-       CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
-       tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-       tuple.Attributes = 0;
-       CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
-       while (1) {
-               if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
-                               pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
-                       goto next_entry;
-               if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
-                       cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
-                       link->conf.ConfigIndex = cfg->index;
-                       link->io.BasePort1 = io->win[0].base;
-                       link->io.NumPorts1 = io->win[0].len;
-                       if (io->nwin == 2) {
-                               link->io.BasePort2 = io->win[1].base;
-                               link->io.NumPorts2 = io->win[1].len;
-                       }
-                       if (pcmcia_request_io(link->handle, &link->io) != 0)
-                               goto next_entry;
-                       /* If we've got this far, we're done */
-                       break;
-               }
-             next_entry:
-               if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
-                       dflt = *cfg;
-               CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
-       }
 
-       CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
+       if (pcmcia_loop_config(link, ixj_config_check, &dflt))
+               goto cs_failed;
+
+       if (pcmcia_request_configuration(link, &link->conf))
+               goto cs_failed;
 
        /*
         *      Register the card with the core.
-        */     
-       j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
+        */
+       j = ixj_pcmcia_probe(link->io.BasePort1, link->io.BasePort1 + 0x10);
 
        info->ndev = 1;
        info->node.major = PHONE_MAJOR;
-       link->dev = &info->node;
+       link->dev_node = &info->node;
        ixj_get_serial(link, j);
-       link->state &= ~DEV_CONFIG_PENDING;
-       return;
+       return 0;
+
       cs_failed:
-       cs_error(link->handle, last_fn, last_ret);
        ixj_cs_release(link);
+       return -ENODEV;
 }
 
-static void ixj_cs_release(dev_link_t *link)
+static void ixj_cs_release(struct pcmcia_device *link)
 {
        ixj_info_t *info = link->priv;
        DEBUG(0, "ixj_cs_release(0x%p)\n", link);
        info->ndev = 0;
-       link->dev = NULL;
-       pcmcia_release_configuration(link->handle);
-       pcmcia_release_io(link->handle, &link->io);
-       link->state &= ~DEV_CONFIG;
-}
-
-static int ixj_suspend(struct pcmcia_device *dev)
-{
-       dev_link_t *link = dev_to_instance(dev);
-
-       link->state |= DEV_SUSPEND;
-       if (link->state & DEV_CONFIG)
-               pcmcia_release_configuration(link->handle);
-
-       return 0;
-}
-
-static int ixj_resume(struct pcmcia_device *dev)
-{
-       dev_link_t *link = dev_to_instance(dev);
-
-       link->state &= ~DEV_SUSPEND;
-       if (DEV_OK(link))
-               pcmcia_request_configuration(link->handle, &link->conf);
-
-       return 0;
-}
-
-static int ixj_event(event_t event, int priority, event_callback_args_t * args)
-{
-       dev_link_t *link = args->client_data;
-       DEBUG(1, "ixj_event(0x%06x)\n", event);
-       switch (event) {
-       case CS_EVENT_CARD_REMOVAL:
-               link->state &= ~DEV_PRESENT;
-               if (link->state & DEV_CONFIG) {
-                       link->state |= DEV_RELEASE_PENDING;
-                       ixj_cs_release(link);
-               }
-               break;
-       case CS_EVENT_CARD_INSERTION:
-               link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-               ixj_config(link);
-               break;
-       }
-       return 0;
+       pcmcia_disable_device(link);
 }
 
 static struct pcmcia_device_id ixj_ids[] = {
@@ -308,12 +194,9 @@ static struct pcmcia_driver ixj_driver = {
        .drv            = {
                .name   = "ixj_cs",
        },
-       .attach         = ixj_attach,
-       .event          = ixj_event,
-       .detach         = ixj_detach,
+       .probe          = ixj_probe,
+       .remove         = ixj_detach,
        .id_table       = ixj_ids,
-       .suspend        = ixj_suspend,
-       .resume         = ixj_resume,
 };
 
 static int __init ixj_pcmcia_init(void)
@@ -324,7 +207,6 @@ static int __init ixj_pcmcia_init(void)
 static void ixj_pcmcia_exit(void)
 {
        pcmcia_unregister_driver(&ixj_driver);
-       BUG_ON(dev_list != NULL);
 }
 
 module_init(ixj_pcmcia_init);