PNP: mark resources that conflict with PCI devices "disabled"
[pandora-kernel.git] / drivers / pnp / interface.c
index 3154804..5695a79 100644 (file)
 #include <linux/errno.h>
 #include <linux/list.h>
 #include <linux/types.h>
+#include <linux/pnp.h>
 #include <linux/stat.h>
 #include <linux/ctype.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
+
 #include <asm/uaccess.h>
 
 #include "base.h"
@@ -245,6 +248,7 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
                                          char *buf)
 {
        struct pnp_dev *dev = to_pnp_dev(dmdev);
+       struct resource *res;
        int i, ret;
        pnp_info_buffer_t *buffer;
 
@@ -264,50 +268,46 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
        else
                pnp_printf(buffer, "disabled\n");
 
-       for (i = 0; i < PNP_MAX_PORT; i++) {
-               if (pnp_port_valid(dev, i)) {
+       for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) {
+               if (pnp_resource_valid(res)) {
                        pnp_printf(buffer, "io");
-                       if (pnp_port_flags(dev, i) & IORESOURCE_DISABLED)
+                       if (res->flags & IORESOURCE_DISABLED)
                                pnp_printf(buffer, " disabled\n");
                        else
                                pnp_printf(buffer, " 0x%llx-0x%llx\n",
-                                          (unsigned long long)
-                                          pnp_port_start(dev, i),
-                                          (unsigned long long)pnp_port_end(dev,
-                                                                           i));
+                                          (unsigned long long) res->start,
+                                          (unsigned long long) res->end);
                }
        }
-       for (i = 0; i < PNP_MAX_MEM; i++) {
-               if (pnp_mem_valid(dev, i)) {
+       for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) {
+               if (pnp_resource_valid(res)) {
                        pnp_printf(buffer, "mem");
-                       if (pnp_mem_flags(dev, i) & IORESOURCE_DISABLED)
+                       if (res->flags & IORESOURCE_DISABLED)
                                pnp_printf(buffer, " disabled\n");
                        else
                                pnp_printf(buffer, " 0x%llx-0x%llx\n",
-                                          (unsigned long long)
-                                          pnp_mem_start(dev, i),
-                                          (unsigned long long)pnp_mem_end(dev,
-                                                                          i));
+                                          (unsigned long long) res->start,
+                                          (unsigned long long) res->end);
                }
        }
-       for (i = 0; i < PNP_MAX_IRQ; i++) {
-               if (pnp_irq_valid(dev, i)) {
+       for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_IRQ, i)); i++) {
+               if (pnp_resource_valid(res)) {
                        pnp_printf(buffer, "irq");
-                       if (pnp_irq_flags(dev, i) & IORESOURCE_DISABLED)
+                       if (res->flags & IORESOURCE_DISABLED)
                                pnp_printf(buffer, " disabled\n");
                        else
                                pnp_printf(buffer, " %lld\n",
-                                          (unsigned long long)pnp_irq(dev, i));
+                                          (unsigned long long) res->start);
                }
        }
-       for (i = 0; i < PNP_MAX_DMA; i++) {
-               if (pnp_dma_valid(dev, i)) {
+       for (i = 0; (res = pnp_get_resource(dev, IORESOURCE_DMA, i)); i++) {
+               if (pnp_resource_valid(res)) {
                        pnp_printf(buffer, "dma");
-                       if (pnp_dma_flags(dev, i) & IORESOURCE_DISABLED)
+                       if (res->flags & IORESOURCE_DISABLED)
                                pnp_printf(buffer, " disabled\n");
                        else
                                pnp_printf(buffer, " %lld\n",
-                                          (unsigned long long)pnp_dma(dev, i));
+                                          (unsigned long long) res->start);
                }
        }
        ret = (buffer->curr - buf);
@@ -315,15 +315,15 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
        return ret;
 }
 
-extern struct semaphore pnp_res_mutex;
-
 static ssize_t
 pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
                          const char *ubuf, size_t count)
 {
        struct pnp_dev *dev = to_pnp_dev(dmdev);
+       struct pnp_resource *pnp_res;
        char *buf = (void *)ubuf;
        int retval = 0;
+       resource_size_t start, end;
 
        if (dev->status & PNP_ATTACHED) {
                retval = -EBUSY;
@@ -350,21 +350,21 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
        if (!strnicmp(buf, "auto", 4)) {
                if (dev->active)
                        goto done;
-               pnp_init_resource_table(&dev->res);
+               pnp_init_resources(dev);
                retval = pnp_auto_config_dev(dev);
                goto done;
        }
        if (!strnicmp(buf, "clear", 5)) {
                if (dev->active)
                        goto done;
-               pnp_init_resource_table(&dev->res);
+               pnp_init_resources(dev);
                goto done;
        }
        if (!strnicmp(buf, "get", 3)) {
-               down(&pnp_res_mutex);
+               mutex_lock(&pnp_res_mutex);
                if (pnp_can_read(dev))
-                       dev->protocol->get(dev, &dev->res);
-               up(&pnp_res_mutex);
+                       dev->protocol->get(dev);
+               mutex_unlock(&pnp_res_mutex);
                goto done;
        }
        if (!strnicmp(buf, "set", 3)) {
@@ -372,8 +372,8 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
                if (dev->active)
                        goto done;
                buf += 3;
-               pnp_init_resource_table(&dev->res);
-               down(&pnp_res_mutex);
+               pnp_init_resources(dev);
+               mutex_lock(&pnp_res_mutex);
                while (1) {
                        while (isspace(*buf))
                                ++buf;
@@ -381,81 +381,65 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,
                                buf += 2;
                                while (isspace(*buf))
                                        ++buf;
-                               dev->res.port_resource[nport].start =
-                                   simple_strtoul(buf, &buf, 0);
+                               start = simple_strtoul(buf, &buf, 0);
                                while (isspace(*buf))
                                        ++buf;
                                if (*buf == '-') {
                                        buf += 1;
                                        while (isspace(*buf))
                                                ++buf;
-                                       dev->res.port_resource[nport].end =
-                                           simple_strtoul(buf, &buf, 0);
+                                       end = simple_strtoul(buf, &buf, 0);
                                } else
-                                       dev->res.port_resource[nport].end =
-                                           dev->res.port_resource[nport].start;
-                               dev->res.port_resource[nport].flags =
-                                   IORESOURCE_IO;
-                               nport++;
-                               if (nport >= PNP_MAX_PORT)
-                                       break;
+                                       end = start;
+                               pnp_res = pnp_add_io_resource(dev, start, end,
+                                                             0);
+                               if (pnp_res)
+                                       pnp_res->index = nport++;
                                continue;
                        }
                        if (!strnicmp(buf, "mem", 3)) {
                                buf += 3;
                                while (isspace(*buf))
                                        ++buf;
-                               dev->res.mem_resource[nmem].start =
-                                   simple_strtoul(buf, &buf, 0);
+                               start = simple_strtoul(buf, &buf, 0);
                                while (isspace(*buf))
                                        ++buf;
                                if (*buf == '-') {
                                        buf += 1;
                                        while (isspace(*buf))
                                                ++buf;
-                                       dev->res.mem_resource[nmem].end =
-                                           simple_strtoul(buf, &buf, 0);
+                                       end = simple_strtoul(buf, &buf, 0);
                                } else
-                                       dev->res.mem_resource[nmem].end =
-                                           dev->res.mem_resource[nmem].start;
-                               dev->res.mem_resource[nmem].flags =
-                                   IORESOURCE_MEM;
-                               nmem++;
-                               if (nmem >= PNP_MAX_MEM)
-                                       break;
+                                       end = start;
+                               pnp_res = pnp_add_mem_resource(dev, start, end,
+                                                              0);
+                               if (pnp_res)
+                                       pnp_res->index = nmem++;
                                continue;
                        }
                        if (!strnicmp(buf, "irq", 3)) {
                                buf += 3;
                                while (isspace(*buf))
                                        ++buf;
-                               dev->res.irq_resource[nirq].start =
-                                   dev->res.irq_resource[nirq].end =
-                                   simple_strtoul(buf, &buf, 0);
-                               dev->res.irq_resource[nirq].flags =
-                                   IORESOURCE_IRQ;
-                               nirq++;
-                               if (nirq >= PNP_MAX_IRQ)
-                                       break;
+                               start = simple_strtoul(buf, &buf, 0);
+                               pnp_res = pnp_add_irq_resource(dev, start, 0);
+                               if (pnp_res)
+                                       pnp_res->index = nirq++;
                                continue;
                        }
                        if (!strnicmp(buf, "dma", 3)) {
                                buf += 3;
                                while (isspace(*buf))
                                        ++buf;
-                               dev->res.dma_resource[ndma].start =
-                                   dev->res.dma_resource[ndma].end =
-                                   simple_strtoul(buf, &buf, 0);
-                               dev->res.dma_resource[ndma].flags =
-                                   IORESOURCE_DMA;
-                               ndma++;
-                               if (ndma >= PNP_MAX_DMA)
-                                       break;
+                               start = simple_strtoul(buf, &buf, 0);
+                               pnp_res = pnp_add_dma_resource(dev, start, 0);
+                               if (pnp_res)
+                                       pnp_res->index = ndma++;
                                continue;
                        }
                        break;
                }
-               up(&pnp_res_mutex);
+               mutex_unlock(&pnp_res_mutex);
                goto done;
        }