pcmcia: introduce autoconfiguration feature
[linux-2.6.git] / drivers / parport / parport_cs.c
index 8d60146..8c2a473 100644 (file)
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/sched.h>
 #include <linux/ptrace.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/timer.h>
 #include <linux/ioport.h>
 #include <linux/major.h>
+#include <linux/interrupt.h>
 
 #include <linux/parport.h>
 #include <linux/parport_pc.h>
 
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
 #include <pcmcia/cistpl.h>
 #include <pcmcia/ds.h>
 #include <pcmcia/cisreg.h>
@@ -67,29 +65,20 @@ MODULE_LICENSE("Dual MPL/GPL");
 
 INT_MODULE_PARM(epp_mode, 1);
 
-#ifdef PCMCIA_DEBUG
-INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
-#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
-static char *version =
-"parport_cs.c 1.29 2002/10/11 06:57:41 (David Hinds)";
-#else
-#define DEBUG(n, args...)
-#endif
 
 /*====================================================================*/
 
 #define FORCE_EPP_MODE 0x08
 
 typedef struct parport_info_t {
-    dev_link_t         link;
+       struct pcmcia_device    *p_dev;
     int                        ndev;
-    dev_node_t         node;
     struct parport     *port;
 } parport_info_t;
 
 static void parport_detach(struct pcmcia_device *p_dev);
-static void parport_config(dev_link_t *link);
-static void parport_cs_release(dev_link_t *);
+static int parport_config(struct pcmcia_device *link);
+static void parport_cs_release(struct pcmcia_device *);
 
 /*======================================================================
 
@@ -99,33 +88,23 @@ static void parport_cs_release(dev_link_t *);
 
 ======================================================================*/
 
-static int parport_attach(struct pcmcia_device *p_dev)
+static int parport_probe(struct pcmcia_device *link)
 {
     parport_info_t *info;
-    dev_link_t *link;
 
-    DEBUG(0, "parport_attach()\n");
+    dev_dbg(&link->dev, "parport_attach()\n");
 
     /* Create new parport device */
-    info = kmalloc(sizeof(*info), GFP_KERNEL);
+    info = kzalloc(sizeof(*info), GFP_KERNEL);
     if (!info) return -ENOMEM;
-    memset(info, 0, sizeof(*info));
-    link = &info->link; link->priv = info;
+    link->priv = info;
+    info->p_dev = link;
 
-    link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-    link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
-    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->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
+    link->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
+    link->config_flags |= CONF_ENABLE_IRQ;
 
-    link->handle = p_dev;
-    p_dev->instance = link;
-
-    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
-    parport_config(link);
-
-    return 0;
+    return parport_config(link);
 } /* parport_attach */
 
 /*======================================================================
@@ -137,14 +116,11 @@ static int parport_attach(struct pcmcia_device *p_dev)
 
 ======================================================================*/
 
-static void parport_detach(struct pcmcia_device *p_dev)
+static void parport_detach(struct pcmcia_device *link)
 {
-    dev_link_t *link = dev_to_instance(p_dev);
+    dev_dbg(&link->dev, "parport_detach\n");
 
-    DEBUG(0, "parport_detach(0x%p)\n", link);
-
-    if (link->state & DEV_CONFIG)
-       parport_cs_release(link);
+    parport_cs_release(link);
 
     kfree(link->priv);
 } /* parport_detach */
@@ -157,77 +133,56 @@ static void parport_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 int parport_config_check(struct pcmcia_device *p_dev,
+                               cistpl_cftable_entry_t *cfg,
+                               cistpl_cftable_entry_t *dflt,
+                               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_lines = io->flags & CISTPL_IO_LINES_MASK;
+               if (epp_mode)
+                       p_dev->config_index |= FORCE_EPP_MODE;
+               p_dev->resource[0]->start = io->win[0].base;
+               p_dev->resource[0]->end = io->win[0].len;
+               if (io->nwin == 2) {
+                       p_dev->resource[1]->start = io->win[1].base;
+                       p_dev->resource[1]->end = io->win[1].len;
+               }
+               if (pcmcia_request_io(p_dev) != 0)
+                       return -ENODEV;
+               return 0;
+       }
+       return -ENODEV;
+}
 
-void parport_config(dev_link_t *link)
+static int parport_config(struct pcmcia_device *link)
 {
-    client_handle_t handle = link->handle;
     parport_info_t *info = link->priv;
-    tuple_t tuple;
-    u_short buf[128];
-    cisparse_t parse;
-    cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
-    cistpl_cftable_entry_t dflt = { 0 };
     struct parport *p;
-    int last_ret, last_fn;
-    
-    DEBUG(0, "parport_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];
-    
-    /* Configure card */
-    link->state |= DEV_CONFIG;
-
-    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;
-           if (epp_mode)
-               link->conf.ConfigIndex |= FORCE_EPP_MODE;
-           link->io.BasePort1 = io->win[0].base;
-           link->io.NumPorts1 = io->win[0].len;
-           link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
-           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(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
-    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
+    int ret;
+
+    dev_dbg(&link->dev, "parport_config\n");
+
+    ret = pcmcia_loop_config(link, parport_config_check, NULL);
+    if (ret)
+           goto failed;
 
-    p = parport_pc_probe_port(link->io.BasePort1, link->io.BasePort2,
-                             link->irq.AssignedIRQ, PARPORT_DMA_NONE,
-                             NULL);
+    if (!link->irq)
+           goto failed;
+    ret = pcmcia_enable_device(link);
+    if (ret)
+           goto failed;
+
+    p = parport_pc_probe_port(link->resource[0]->start,
+                             link->resource[1]->start,
+                             link->irq, PARPORT_DMA_NONE,
+                             &link->dev, IRQF_SHARED);
     if (p == NULL) {
        printk(KERN_NOTICE "parport_cs: parport_pc_probe_port() at "
-              "0x%3x, irq %u failed\n", link->io.BasePort1,
-              link->irq.AssignedIRQ);
+              "0x%3x, irq %u failed\n",
+              (unsigned int) link->resource[0]->start,
+              link->irq);
        goto failed;
     }
 
@@ -235,21 +190,13 @@ void parport_config(dev_link_t *link)
     if (epp_mode)
        p->modes |= PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP;
     info->ndev = 1;
-    info->node.major = LP_MAJOR;
-    info->node.minor = p->number;
     info->port = p;
-    strcpy(info->node.dev_name, p->name);
-    link->dev = &info->node;
 
-    link->state &= ~DEV_CONFIG_PENDING;
-    return;
-    
-cs_failed:
-    cs_error(link->handle, last_fn, last_ret);
+    return 0;
+
 failed:
     parport_cs_release(link);
-    link->state &= ~DEV_CONFIG_PENDING;
-
+    return -ENODEV;
 } /* parport_config */
 
 /*======================================================================
@@ -260,11 +207,11 @@ failed:
     
 ======================================================================*/
 
-void parport_cs_release(dev_link_t *link)
+static void parport_cs_release(struct pcmcia_device *link)
 {
        parport_info_t *info = link->priv;
 
-       DEBUG(0, "parport_release(0x%p)\n", link);
+       dev_dbg(&link->dev, "parport_release\n");
 
        if (info->ndev) {
                struct parport *p = info->port;
@@ -272,12 +219,13 @@ void parport_cs_release(dev_link_t *link)
        }
        info->ndev = 0;
 
-       pcmcia_disable_device(link->handle);
+       pcmcia_disable_device(link);
 } /* parport_cs_release */
 
 
 static struct pcmcia_device_id parport_ids[] = {
        PCMCIA_DEVICE_FUNC_ID(3),
+       PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc),
        PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0003),
        PCMCIA_DEVICE_NULL
 };
@@ -288,7 +236,7 @@ static struct pcmcia_driver parport_cs_driver = {
        .drv            = {
                .name   = "parport_cs",
        },
-       .probe          = parport_attach,
+       .probe          = parport_probe,
        .remove         = parport_detach,
        .id_table       = parport_ids,
 };