include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[safe/jmp/linux-2.6] / drivers / staging / comedi / drivers / ni_daq_700.c
index ec31a39..7ea6453 100644 (file)
@@ -42,6 +42,7 @@ IRQ is assigned but not used.
 */
 
 #include <linux/interrupt.h>
+#include <linux/slab.h>
 #include "../comedidev.h"
 
 #include <linux/ioport.h>
@@ -76,13 +77,15 @@ struct dio700_board {
 static const struct dio700_board dio700_boards[] = {
        {
         .name = "daqcard-700",
-        .device_id = 0x4743,   /*  0x10b is manufacturer id, 0x4743 is device id */
+         /*  0x10b is manufacturer id, 0x4743 is device id */
+        .device_id = 0x4743,
         .bustype = pcmcia_bustype,
         .have_dio = 1,
         },
        {
         .name = "ni_daq_700",
-        .device_id = 0x4743,   /*  0x10b is manufacturer id, 0x4743 is device id */
+         /*  0x10b is manufacturer id, 0x4743 is device id */
+        .device_id = 0x4743,
         .bustype = pcmcia_bustype,
         .have_dio = 1,
         },
@@ -309,11 +312,11 @@ int subdev_700_init(struct comedi_device *dev, struct comedi_subdevice *s,
                return -ENOMEM;
 
        CALLBACK_ARG = arg;
-       if (cb == NULL) {
+       if (cb == NULL)
                CALLBACK_FUNC = subdev_700_cb;
-       } else {
+        else
                CALLBACK_FUNC = cb;
-       }
+
        s->insn_bits = subdev_700_insn;
        s->insn_config = subdev_700_insn_config;
 
@@ -345,12 +348,10 @@ int subdev_700_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
 
 void subdev_700_cleanup(struct comedi_device *dev, struct comedi_subdevice *s)
 {
-       if (s->private) {
-               if (subdevpriv->have_irq) {
-               }
+       if (s->private)
+               if (subdevpriv->have_irq)
 
-               kfree(s->private);
-       }
+                       kfree(s->private);
 }
 
 EXPORT_SYMBOL(subdev_700_init);
@@ -390,9 +391,9 @@ static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        printk("comedi%d: ni_daq_700: %s, io 0x%lx", dev->minor,
               thisboard->name, iobase);
 #ifdef incomplete
-       if (irq) {
+       if (irq)
                printk(", irq %u", irq);
-       }
+
 #endif
 
        printk("\n");
@@ -436,25 +437,7 @@ static int dio700_detach(struct comedi_device *dev)
        return 0;
 };
 
-/* PCMCIA crap */
-
-/*
-   All the PCMCIA modules use PCMCIA_DEBUG to control debugging.  If
-   you do not define PCMCIA_DEBUG at all, all the debug code will be
-   left out.  If you compile with PCMCIA_DEBUG=0, the debug code will
-   be present but disabled -- but it can then be enabled for specific
-   modules at load time with a 'pc_debug=#' option to insmod.
-*/
-#ifdef PCMCIA_DEBUG
-static int pc_debug = PCMCIA_DEBUG;
-module_param(pc_debug, int, 0644);
-#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
-static char *version = "ni_daq_700.c, based on dummy_cs.c";
-#else
-#define DEBUG(n, args...)
-#endif
-
-/*====================================================================*/
+/* PCMCIA crap -- watch your words, please! */
 
 static void dio700_config(struct pcmcia_device *link);
 static void dio700_release(struct pcmcia_device *link);
@@ -510,7 +493,7 @@ static int dio700_cs_attach(struct pcmcia_device *link)
 
        printk(KERN_INFO "ni_daq_700:  cs-attach\n");
 
-       DEBUG(0, "dio700_cs_attach()\n");
+       dev_dbg(&link->dev, "dio700_cs_attach()\n");
 
        /* Allocate space for private device-specific data */
        local = kzalloc(sizeof(struct local_info_t), GFP_KERNEL);
@@ -521,7 +504,6 @@ static int dio700_cs_attach(struct pcmcia_device *link)
 
        /* Interrupt setup */
        link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
-       link->irq.IRQInfo1 = IRQ_LEVEL_ID;
        link->irq.Handler = NULL;
 
        /*
@@ -555,7 +537,7 @@ static void dio700_cs_detach(struct pcmcia_device *link)
 
        printk(KERN_INFO "ni_daq_700: cs-detach!\n");
 
-       DEBUG(0, "dio700_cs_detach(0x%p)\n", link);
+       dev_dbg(&link->dev, "dio700_cs_detach\n");
 
        if (link->dev_node) {
                ((struct local_info_t *)link->priv)->stop = 1;
@@ -576,141 +558,85 @@ static void dio700_cs_detach(struct pcmcia_device *link)
 
 ======================================================================*/
 
-static void dio700_config(struct pcmcia_device *link)
+static int dio700_pcmcia_config_loop(struct pcmcia_device *p_dev,
+                               cistpl_cftable_entry_t *cfg,
+                               cistpl_cftable_entry_t *dflt,
+                               unsigned int vcc,
+                               void *priv_data)
 {
-       struct local_info_t *dev = link->priv;
-       tuple_t tuple;
-       cisparse_t parse;
-       int last_ret;
-       u_char buf[64];
-       win_req_t req;
+       win_req_t *req = priv_data;
        memreq_t map;
-       cistpl_cftable_entry_t dflt = { 0 };
-
-       printk(KERN_INFO "ni_daq_700:  cs-config\n");
 
-       DEBUG(0, "dio700_config(0x%p)\n", link);
-
-       /*
-          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;
-
-       last_ret = pcmcia_get_first_tuple(link, &tuple);
-       if (last_ret) {
-               cs_error(link, GetFirstTuple, last_ret);
-               goto cs_failed;
-       }
+       if (cfg->index == 0)
+               return -ENODEV;
 
-       last_ret = pcmcia_get_tuple_data(link, &tuple);
-       if (last_ret) {
-               cs_error(link, GetTupleData, last_ret);
-               goto cs_failed;
+       /* 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;
        }
 
-       last_ret = pcmcia_parse_tuple(&tuple, &parse);
-       if (last_ret) {
-               cs_error(link, ParseTuple, last_ret);
-               goto cs_failed;
+       /* 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.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
+               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;
        }
-       link->conf.ConfigBase = parse.config.base;
-       link->conf.Present = parse.config.rmask[0];
 
-       /*
-          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.
-        */
-       tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
-       last_ret = pcmcia_get_first_tuple(link, &tuple);
-       if (last_ret != 0) {
-               cs_error(link, GetFirstTuple, last_ret);
-               goto cs_failed;
+       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->Attributes |= WIN_ENABLE;
+               req->Base = mem->win[0].host_addr;
+               req->Size = mem->win[0].len;
+               if (req->Size < 0x1000)
+                       req->Size = 0x1000;
+               req->AccessSpeed = 0;
+               if (pcmcia_request_window(p_dev, req, &p_dev->win))
+                       return -ENODEV;
+               map.Page = 0;
+               map.CardOffset = mem->win[0].card_addr;
+               if (pcmcia_map_mem_page(p_dev, p_dev->win, &map))
+                       return -ENODEV;
        }
-       while (1) {
-               cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
-               if (pcmcia_get_tuple_data(link, &tuple) != 0)
-                       goto next_entry;
-               if (pcmcia_parse_tuple(&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;
-               }
+       /* If we got this far, we're cool! */
+       return 0;
+}
 
-               /* 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.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
-                       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, &link->io) != 0)
-                               goto next_entry;
-               }
+static void dio700_config(struct pcmcia_device *link)
+{
+       struct local_info_t *dev = link->priv;
+       win_req_t req;
+       int ret;
 
-               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.Attributes |= WIN_ENABLE;
-                       req.Base = mem->win[0].host_addr;
-                       req.Size = mem->win[0].len;
-                       if (req.Size < 0x1000)
-                               req.Size = 0x1000;
-                       req.AccessSpeed = 0;
-                       if (pcmcia_request_window(&link, &req, &link->win))
-                               goto next_entry;
-                       map.Page = 0;
-                       map.CardOffset = mem->win[0].card_addr;
-                       if (pcmcia_map_mem_page(link->win, &map))
-                               goto next_entry;
-               }
-               /* If we got this far, we're cool! */
-               break;
+       printk(KERN_INFO "ni_daq_700:  cs-config\n");
 
-next_entry:
+       dev_dbg(&link->dev, "dio700_config\n");
 
-               last_ret = pcmcia_get_next_tuple(link, &tuple);
-               if (last_ret) {
-                       cs_error(link, GetNextTuple, last_ret);
-                       goto cs_failed;
-               }
+       ret = pcmcia_loop_config(link, dio700_pcmcia_config_loop, &req);
+       if (ret) {
+               dev_warn(&link->dev, "no configuration found\n");
+               goto failed;
        }
 
        /*
@@ -719,11 +645,9 @@ next_entry:
           irq structure is initialized.
         */
        if (link->conf.Attributes & CONF_ENABLE_IRQ) {
-               last_ret = pcmcia_request_irq(link, &link->irq);
-               if (last_ret) {
-                       cs_error(link, RequestIRQ, last_ret);
-                       goto cs_failed;
-               }
+               ret = pcmcia_request_irq(link, &link->irq);
+               if (ret)
+                       goto failed;
        }
 
        /*
@@ -731,11 +655,9 @@ next_entry:
           the I/O windows and the interrupt mapping, and putting the
           card and host interface into "Memory and IO" mode.
         */
-       last_ret = pcmcia_request_configuration(link, &link->conf);
-       if (last_ret != 0) {
-               cs_error(link, RequestConfiguration, last_ret);
-               goto cs_failed;
-       }
+       ret = pcmcia_request_configuration(link, &link->conf);
+       if (ret != 0)
+               goto failed;
 
        /*
           At this point, the dev_node_t structure(s) need to be
@@ -763,7 +685,7 @@ next_entry:
 
        return;
 
-cs_failed:
+failed:
        printk(KERN_INFO "ni_daq_700 cs failed");
        dio700_release(link);
 
@@ -771,7 +693,7 @@ cs_failed:
 
 static void dio700_release(struct pcmcia_device *link)
 {
-       DEBUG(0, "dio700_release(0x%p)\n", link);
+       dev_dbg(&link->dev, "dio700_release\n");
 
        pcmcia_disable_device(link);
 }                              /* dio700_release */
@@ -830,15 +752,13 @@ struct pcmcia_driver dio700_cs_driver = {
 
 static int __init init_dio700_cs(void)
 {
-       printk("ni_daq_700:  cs-init \n");
-       DEBUG(0, "%s\n", version);
        pcmcia_register_driver(&dio700_cs_driver);
        return 0;
 }
 
 static void __exit exit_dio700_cs(void)
 {
-       DEBUG(0, "ni_daq_700: unloading\n");
+       pr_debug("ni_daq_700: unloading\n");
        pcmcia_unregister_driver(&dio700_cs_driver);
 }