linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / drivers / scsi / pcmcia / fdomain_stub.c
index 85f7ffa..788c58d 100644 (file)
@@ -73,48 +73,57 @@ static char *version =
 /*====================================================================*/
 
 typedef struct scsi_info_t {
-       struct pcmcia_device    *p_dev;
+    dev_link_t         link;
     dev_node_t         node;
     struct Scsi_Host   *host;
 } scsi_info_t;
 
 
-static void fdomain_release(struct pcmcia_device *link);
+static void fdomain_release(dev_link_t *link);
 static void fdomain_detach(struct pcmcia_device *p_dev);
-static int fdomain_config(struct pcmcia_device *link);
+static void fdomain_config(dev_link_t *link);
 
-static int fdomain_probe(struct pcmcia_device *link)
+static int fdomain_attach(struct pcmcia_device *p_dev)
 {
-       scsi_info_t *info;
-
-       DEBUG(0, "fdomain_attach()\n");
-
-       /* Create new SCSI device */
-       info = kzalloc(sizeof(*info), GFP_KERNEL);
-       if (!info)
-               return -ENOMEM;
-
-       info->p_dev = link;
-       link->priv = info;
-       link->io.NumPorts1 = 0x10;
-       link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
-       link->io.IOAddrLines = 10;
-       link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
-       link->irq.IRQInfo1 = IRQ_LEVEL_ID;
-       link->conf.Attributes = CONF_ENABLE_IRQ;
-       link->conf.IntType = INT_MEMORY_AND_IO;
-       link->conf.Present = PRESENT_OPTION;
-
-       return fdomain_config(link);
+    scsi_info_t *info;
+    dev_link_t *link;
+
+    DEBUG(0, "fdomain_attach()\n");
+
+    /* Create new SCSI device */
+    info = kmalloc(sizeof(*info), GFP_KERNEL);
+    if (!info) return -ENOMEM;
+    memset(info, 0, sizeof(*info));
+    link = &info->link; link->priv = info;
+    link->io.NumPorts1 = 0x10;
+    link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+    link->io.IOAddrLines = 10;
+    link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
+    link->irq.IRQInfo1 = IRQ_LEVEL_ID;
+    link->conf.Attributes = CONF_ENABLE_IRQ;
+    link->conf.Vcc = 50;
+    link->conf.IntType = INT_MEMORY_AND_IO;
+    link->conf.Present = PRESENT_OPTION;
+
+    link->handle = p_dev;
+    p_dev->instance = link;
+
+    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+    fdomain_config(link);
+
+    return 0;
 } /* fdomain_attach */
 
 /*====================================================================*/
 
-static void fdomain_detach(struct pcmcia_device *link)
+static void fdomain_detach(struct pcmcia_device *p_dev)
 {
+       dev_link_t *link = dev_to_instance(p_dev);
+
        DEBUG(0, "fdomain_detach(0x%p)\n", link);
 
-       fdomain_release(link);
+       if (link->state & DEV_CONFIG)
+               fdomain_release(link);
 
        kfree(link->priv);
 } /* fdomain_detach */
@@ -124,8 +133,9 @@ static void fdomain_detach(struct pcmcia_device *link)
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static int fdomain_config(struct pcmcia_device *link)
+static void fdomain_config(dev_link_t *link)
 {
+    client_handle_t handle = link->handle;
     scsi_info_t *info = link->priv;
     tuple_t tuple;
     cisparse_t parse;
@@ -140,75 +150,103 @@ static int fdomain_config(struct pcmcia_device *link)
     tuple.TupleData = tuple_data;
     tuple.TupleDataMax = 64;
     tuple.TupleOffset = 0;
-    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));
+    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;
 
+    /* Configure card */
+    link->state |= DEV_CONFIG;
+    
     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
+    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
     while (1) {
-       if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
-               pcmcia_parse_tuple(link, &tuple, &parse) != 0)
+       if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
+               pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
            goto next_entry;
        link->conf.ConfigIndex = parse.cftable_entry.index;
        link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
-       i = pcmcia_request_io(link, &link->io);
+       i = pcmcia_request_io(handle, &link->io);
        if (i == CS_SUCCESS) break;
     next_entry:
-       CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
+       CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
     }
 
-    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
-    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
-
+    CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
+    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
+    
     /* A bad hack... */
     release_region(link->io.BasePort1, link->io.NumPorts1);
 
     /* Set configuration options for the fdomain driver */
     sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
     fdomain_setup(str);
-
+    
     host = __fdomain_16x0_detect(&fdomain_driver_template);
     if (!host) {
         printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
        goto cs_failed;
     }
-
-    if (scsi_add_host(host, NULL))
-           goto cs_failed;
+    scsi_add_host(host, NULL); /* XXX handle failure */
     scsi_scan_host(host);
 
     sprintf(info->node.dev_name, "scsi%d", host->host_no);
-    link->dev_node = &info->node;
+    link->dev = &info->node;
     info->host = host;
-
-    return 0;
-
+    
+    link->state &= ~DEV_CONFIG_PENDING;
+    return;
+    
 cs_failed:
-    cs_error(link, last_fn, last_ret);
+    cs_error(link->handle, last_fn, last_ret);
     fdomain_release(link);
-    return -ENODEV;
+    return;
+    
 } /* fdomain_config */
 
 /*====================================================================*/
 
-static void fdomain_release(struct pcmcia_device *link)
+static void fdomain_release(dev_link_t *link)
 {
-       scsi_info_t *info = link->priv;
+    scsi_info_t *info = link->priv;
 
-       DEBUG(0, "fdomain_release(0x%p)\n", link);
+    DEBUG(0, "fdomain_release(0x%p)\n", link);
 
-       scsi_remove_host(info->host);
-       pcmcia_disable_device(link);
-       scsi_unregister(info->host);
+    scsi_remove_host(info->host);
+    link->dev = NULL;
+    
+    pcmcia_release_configuration(link->handle);
+    pcmcia_release_io(link->handle, &link->io);
+    pcmcia_release_irq(link->handle, &link->irq);
+
+    scsi_unregister(info->host);
+
+    link->state &= ~DEV_CONFIG;
 }
 
 /*====================================================================*/
 
-static int fdomain_resume(struct pcmcia_device *link)
+static int fdomain_suspend(struct pcmcia_device *dev)
 {
-       fdomain_16x0_bus_reset(NULL);
+       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 fdomain_resume(struct pcmcia_device *dev)
+{
+       dev_link_t *link = dev_to_instance(dev);
+
+       link->state &= ~DEV_SUSPEND;
+       if (link->state & DEV_CONFIG) {
+               pcmcia_request_configuration(link->handle, &link->conf);
+               fdomain_16x0_bus_reset(NULL);
+       }
 
        return 0;
 }
@@ -226,9 +264,10 @@ static struct pcmcia_driver fdomain_cs_driver = {
        .drv            = {
                .name   = "fdomain_cs",
        },
-       .probe          = fdomain_probe,
+       .probe          = fdomain_attach,
        .remove         = fdomain_detach,
        .id_table       = fdomain_ids,
+       .suspend        = fdomain_suspend,
        .resume         = fdomain_resume,
 };