ath9k: Add support for multiple secondary virtual wiphys
[safe/jmp/linux-2.6] / drivers / net / wireless / airo_cs.c
index 836c71f..27696c2 100644 (file)
@@ -20,7 +20,6 @@
     
 ======================================================================*/
 
-#include <linux/config.h>
 #ifdef __IN_PCMCIA_PACKAGE__
 #include <pcmcia/k_compat.h>
 #endif
@@ -80,8 +79,8 @@ MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards");
    event handler. 
 */
 
-static void airo_config(dev_link_t *link);
-static void airo_release(dev_link_t *link);
+static int airo_config(struct pcmcia_device *link);
+static void airo_release(struct pcmcia_device *link);
 
 /*
    The attach() and detach() entry points are used to create and destroy
@@ -101,10 +100,10 @@ static void airo_detach(struct pcmcia_device *p_dev);
 /*
    A linked list of "instances" of the  aironet device.  Each actual
    PCMCIA card corresponds to one device instance, and is described
-   by one dev_link_t structure (defined in ds.h).
+   by one struct pcmcia_device 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
+   memory card driver uses an array of struct pcmcia_device pointers, where minor
    device numbers are used to derive the corresponding array index.
 */
 
@@ -114,7 +113,7 @@ static void airo_detach(struct pcmcia_device *p_dev);
    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 shouldn't be allocated dynamically.
 
@@ -141,14 +140,14 @@ typedef struct local_info_t {
   
   ======================================================================*/
 
-static int airo_attach(struct pcmcia_device *p_dev)
+static int airo_probe(struct pcmcia_device *p_dev)
 {
        local_info_t *local;
 
        DEBUG(0, "airo_attach()\n");
 
        /* Interrupt setup */
-       p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
+       p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
        p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID;
        p_dev->irq.Handler = NULL;
        
@@ -170,10 +169,7 @@ static int airo_attach(struct pcmcia_device *p_dev)
        }
        p_dev->priv = local;
 
-       p_dev->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-       airo_config(p_dev);
-
-       return 0;
+       return airo_config(p_dev);
 } /* airo_attach */
 
 /*======================================================================
@@ -185,14 +181,11 @@ static int airo_attach(struct pcmcia_device *p_dev)
   
   ======================================================================*/
 
-static void airo_detach(struct pcmcia_device *p_dev)
+static void airo_detach(struct pcmcia_device *link)
 {
-       dev_link_t *link = dev_to_instance(p_dev);
-
        DEBUG(0, "airo_detach(0x%p)\n", link);
 
-       if (link->state & DEV_CONFIG)
-               airo_release(link);
+       airo_release(link);
 
        if ( ((local_info_t*)link->priv)->eth_dev ) {
                stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 );
@@ -213,154 +206,135 @@ static void airo_detach(struct pcmcia_device *p_dev)
 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 
-static void airo_config(dev_link_t *link)
+static int airo_cs_config_check(struct pcmcia_device *p_dev,
+                               cistpl_cftable_entry_t *cfg,
+                               cistpl_cftable_entry_t *dflt,
+                               unsigned int vcc,
+                               void *priv_data)
+{
+       win_req_t *req = priv_data;
+
+       if (cfg->index == 0)
+               return -ENODEV;
+
+       /* Does this card need audio output? */
+       if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
+               p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
+               p_dev->conf.Status = CCSR_AUDIO_ENA;
+       }
+
+       /* Use power settings for Vcc and Vpp if present */
+       /*  Note that the CIS values need to be rescaled */
+       if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
+               p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+       else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
+               p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
+
+       /* Do we need to allocate an interrupt? */
+       if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
+               p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
+       /* IO window settings */
+       p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+       if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+               cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
+               p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+               if (!(io->flags & CISTPL_IO_8BIT))
+                       p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+               if (!(io->flags & CISTPL_IO_16BIT))
+                       p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+               p_dev->io.BasePort1 = io->win[0].base;
+               p_dev->io.NumPorts1 = io->win[0].len;
+               if (io->nwin > 1) {
+                       p_dev->io.Attributes2 = p_dev->io.Attributes1;
+                       p_dev->io.BasePort2 = io->win[1].base;
+                       p_dev->io.NumPorts2 = io->win[1].len;
+               }
+       }
+
+       /* This reserves IO space but doesn't actually enable it */
+       if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
+               return -ENODEV;
+
+       /*
+         Now set up a common memory window, if needed.  There is room
+         in the struct pcmcia_device structure for one memory window handle,
+         but if the base addresses need to be saved, or if multiple
+         windows are needed, the info should go in the private data
+         structure for this device.
+
+         Note that the memory window base is a physical address, and
+         needs to be mapped to virtual space with ioremap() before it
+         is used.
+       */
+       if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
+               cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
+               memreq_t map;
+               req->Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+               req->Base = mem->win[0].host_addr;
+               req->Size = mem->win[0].len;
+               req->AccessSpeed = 0;
+               if (pcmcia_request_window(&p_dev, req, &p_dev->win) != 0)
+                       return -ENODEV;
+               map.Page = 0;
+               map.CardOffset = mem->win[0].card_addr;
+               if (pcmcia_map_mem_page(p_dev->win, &map) != 0)
+                       return -ENODEV;
+       }
+       /* If we got this far, we're cool! */
+       return 0;
+}
+
+
+static int airo_config(struct pcmcia_device *link)
 {
-       client_handle_t handle;
-       tuple_t tuple;
-       cisparse_t parse;
        local_info_t *dev;
+       win_req_t *req;
        int last_fn, last_ret;
-       u_char buf[64];
-       win_req_t req;
-       memreq_t map;
-       
-       handle = link->handle;
+
        dev = link->priv;
 
        DEBUG(0, "airo_config(0x%p)\n", link);
-       
+
+       req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
+       if (!req)
+               return -ENOMEM;
+
        /*
-         This reads the card's CONFIG tuple to find its configuration
-         registers.
-       */
-       tuple.DesiredTuple = CISTPL_CONFIG;
-       tuple.Attributes = 0;
-       tuple.TupleData = buf;
-       tuple.TupleDataMax = sizeof(buf);
-       tuple.TupleOffset = 0;
-       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];
-       
-       /* Configure card */
-       link->state |= DEV_CONFIG;
-       
+        * In this loop, we scan the CIS for configuration table
+        * entries, each of which describes a valid card
+        * configuration, including voltage, IO window, memory window,
+        * and interrupt settings.
+        *
+        * We make no assumptions about the card to be configured: we
+        * use just the information available in the CIS.  In an ideal
+        * world, this would work for any PCMCIA card, but it requires
+        * a complete and accurate CIS.  In practice, a driver usually
+        * "knows" most of these things without consulting the CIS,
+        * and most client drivers will only use the CIS to fill in
+        * implementation-defined details.
+        */
+       last_ret = pcmcia_loop_config(link, airo_cs_config_check, req);
+       if (last_ret)
+               goto failed;
+
        /*
-         In this loop, we scan the CIS for configuration table entries,
-         each of which describes a valid card configuration, including
-         voltage, IO window, memory window, and interrupt settings.
-         
-         We make no assumptions about the card to be configured: we use
-         just the information available in the CIS.  In an ideal world,
-         this would work for any PCMCIA card, but it requires a complete
-         and accurate CIS.  In practice, a driver usually "knows" most of
-         these things without consulting the CIS, and most client drivers
-         will only use the CIS to fill in implementation-defined details.
+         Allocate an interrupt line.  Note that this does not assign a
+         handler to the interrupt, unless the 'Handler' member of the
+         irq structure is initialized.
        */
-       tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-       CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
-       while (1) {
-               cistpl_cftable_entry_t dflt = { 0 };
-               cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
-               if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
-                               pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
-                       goto next_entry;
-               
-               if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
-               if (cfg->index == 0) goto next_entry;
-               link->conf.ConfigIndex = cfg->index;
-               
-               /* Does this card need audio output? */
-               if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
-                       link->conf.Attributes |= CONF_ENABLE_SPKR;
-                       link->conf.Status = CCSR_AUDIO_ENA;
-               }
-               
-               /* Use power settings for Vcc and Vpp if present */
-               /*  Note that the CIS values need to be rescaled */
-               if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
-                       link->conf.Vpp =
-                               cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
-               else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
-                       link->conf.Vpp =
-                               dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
-               
-               /* Do we need to allocate an interrupt? */
-               if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
-                       link->conf.Attributes |= CONF_ENABLE_IRQ;
-               
-               /* IO window settings */
-               link->io.NumPorts1 = link->io.NumPorts2 = 0;
-               if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
-                       cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
-                       link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
-                       if (!(io->flags & CISTPL_IO_8BIT))
-                               link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
-                       if (!(io->flags & CISTPL_IO_16BIT))
-                               link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-                       link->io.BasePort1 = io->win[0].base;
-                       link->io.NumPorts1 = io->win[0].len;
-                       if (io->nwin > 1) {
-                               link->io.Attributes2 = link->io.Attributes1;
-                               link->io.BasePort2 = io->win[1].base;
-                               link->io.NumPorts2 = io->win[1].len;
-                       }
-               }
-               
-               /* This reserves IO space but doesn't actually enable it */
-               if (pcmcia_request_io(link->handle, &link->io) != 0)
-                       goto next_entry;
-               
-               /*
-                 Now set up a common memory window, if needed.  There is room
-                 in the dev_link_t structure for one memory window handle,
-                 but if the base addresses need to be saved, or if multiple
-                 windows are needed, the info should go in the private data
-                 structure for this device.
-                 
-                 Note that the memory window base is a physical address, and
-                 needs to be mapped to virtual space with ioremap() before it
-                 is used.
-               */
-               if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
-                       cistpl_mem_t *mem =
-                               (cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
-                       req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
-                       req.Base = mem->win[0].host_addr;
-                       req.Size = mem->win[0].len;
-                       req.AccessSpeed = 0;
-                       if (pcmcia_request_window(&link->handle, &req, &link->win) != 0)
-                               goto next_entry;
-                       map.Page = 0; map.CardOffset = mem->win[0].card_addr;
-                       if (pcmcia_map_mem_page(link->win, &map) != 0)
-                               goto next_entry;
-               }
-               /* If we got this far, we're cool! */
-               break;
-               
-       next_entry:
-               CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
-       }
-       
-    /*
-      Allocate an interrupt line.  Note that this does not assign a
-      handler to the interrupt, unless the 'Handler' member of the
-      irq structure is initialized.
-    */
        if (link->conf.Attributes & CONF_ENABLE_IRQ)
-               CS_CHECK(RequestIRQ, pcmcia_request_irq(link->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, and putting the
          card and host interface into "Memory and IO" mode.
        */
-       CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));
+       CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
        ((local_info_t*)link->priv)->eth_dev = 
                init_airo_card( link->irq.AssignedIRQ,
-                               link->io.BasePort1, 1, &handle_to_dev(handle) );
+                               link->io.BasePort1, 1, &handle_to_dev(link) );
        if (!((local_info_t*)link->priv)->eth_dev) goto cs_failed;
        
        /*
@@ -385,17 +359,18 @@ static void airo_config(dev_link_t *link)
                printk(" & 0x%04x-0x%04x", link->io.BasePort2,
                       link->io.BasePort2+link->io.NumPorts2-1);
        if (link->win)
-               printk(", mem 0x%06lx-0x%06lx", req.Base,
-                      req.Base+req.Size-1);
+               printk(", mem 0x%06lx-0x%06lx", req->Base,
+                      req->Base+req->Size-1);
        printk("\n");
-       
-       link->state &= ~DEV_CONFIG_PENDING;
-       return;
-       
+       kfree(req);
+       return 0;
+
  cs_failed:
-       cs_error(link->handle, last_fn, last_ret);
+       cs_error(link, last_fn, last_ret);
+ failed:
        airo_release(link);
-       
+       kfree(req);
+       return -ENODEV;
 } /* airo_config */
 
 /*======================================================================
@@ -406,29 +381,26 @@ static void airo_config(dev_link_t *link)
   
   ======================================================================*/
 
-static void airo_release(dev_link_t *link)
+static void airo_release(struct pcmcia_device *link)
 {
        DEBUG(0, "airo_release(0x%p)\n", link);
-       pcmcia_disable_device(link->handle);
+       pcmcia_disable_device(link);
 }
 
-static int airo_suspend(struct pcmcia_device *p_dev)
+static int airo_suspend(struct pcmcia_device *link)
 {
-       dev_link_t *link = dev_to_instance(p_dev);
        local_info_t *local = link->priv;
 
-       if (link->state & DEV_CONFIG)
-               netif_device_detach(local->eth_dev);
+       netif_device_detach(local->eth_dev);
 
        return 0;
 }
 
-static int airo_resume(struct pcmcia_device *p_dev)
+static int airo_resume(struct pcmcia_device *link)
 {
-       dev_link_t *link = dev_to_instance(p_dev);
        local_info_t *local = link->priv;
 
-       if ((link->state & DEV_CONFIG) && (link->open)) {
+       if (link->open) {
                reset_airo_card(local->eth_dev);
                netif_device_attach(local->eth_dev);
        }
@@ -450,7 +422,7 @@ static struct pcmcia_driver airo_driver = {
        .drv            = {
                .name   = "airo_cs",
        },
-       .probe          = airo_attach,
+       .probe          = airo_probe,
        .remove         = airo_detach,
        .id_table       = airo_ids,
        .suspend        = airo_suspend,