pcmcia: use struct resource for PCMCIA devices, part 2

Use struct resource * also for iomem resources.

CC: linux-mtd@lists.infradead.org
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
CC: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

10 files changed, 75 insertions, 78 deletions

diff --git a/drivers/char/pcmcia/ipwireless/main.c b/drivers/char/pcmcia/ipwireless/main.c
index 6c4aa4b0be99..67bdb05798b1 100644
--- a/drivers/char/pcmcia/ipwireless/main.c
+++ b/drivers/char/pcmcia/ipwireless/main.c
@@ -157,15 +157,12 @@ static int ipwireless_probe(struct pcmcia_device *p_dev,
         return 0;
 
 exit3:
-        pcmcia_release_window(p_dev, ipw->handle_attr_memory);
 exit2:
         if (ipw->common_memory) {
                 release_mem_region(ipw->request_common_memory.Base,
                                 ipw->request_common_memory.Size);
                 iounmap(ipw->common_memory);
-                pcmcia_release_window(p_dev, ipw->handle_common_memory);
-        } else
-                pcmcia_release_window(p_dev, ipw->handle_common_memory);
+        }
 exit1:
         release_resource(io_resource);
         pcmcia_disable_device(p_dev);
@@ -238,13 +235,12 @@ exit:
                 release_mem_region(ipw->request_attr_memory.Base,
                                 ipw->request_attr_memory.Size);
                 iounmap(ipw->attr_memory);
-                pcmcia_release_window(link, ipw->handle_attr_memory);
+
         }
         if (ipw->common_memory) {
                 release_mem_region(ipw->request_common_memory.Base,
                                 ipw->request_common_memory.Size);
                 iounmap(ipw->common_memory);
-                pcmcia_release_window(link, ipw->handle_common_memory);
         }
         pcmcia_disable_device(link);
         return -1;
@@ -262,11 +258,6 @@ static void release_ipwireless(struct ipw_dev *ipw)
                                 ipw->request_attr_memory.Size);
                 iounmap(ipw->attr_memory);
         }
-        if (ipw->common_memory)
-                pcmcia_release_window(ipw->link, ipw->handle_common_memory);
-        if (ipw->attr_memory)
-                pcmcia_release_window(ipw->link, ipw->handle_attr_memory);
-
         pcmcia_disable_device(ipw->link);
 }
 
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index f97463ecfc5e..e9ca5ba7d9d2 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -344,7 +344,6 @@ static void pcmciamtd_release(struct pcmcia_device *link)
                         iounmap(dev->win_base);
                         dev->win_base = NULL;
                 }
-                pcmcia_release_window(link, link->win);
         }
         pcmcia_disable_device(link);
 }
diff --git a/drivers/net/pcmcia/ibmtr_cs.c b/drivers/net/pcmcia/ibmtr_cs.c
index c0b3cdd49c6a..b0d06a3d962f 100644
--- a/drivers/net/pcmcia/ibmtr_cs.c
+++ b/drivers/net/pcmcia/ibmtr_cs.c
@@ -319,7 +319,6 @@ static void ibmtr_release(struct pcmcia_device *link)
         if (link->win) {
                 struct tok_info *ti = netdev_priv(dev);
                 iounmap(ti->mmio);
-                pcmcia_release_window(link, info->sram_win_handle);
         }
         pcmcia_disable_device(link);
 }
diff --git a/drivers/net/wireless/b43/pcmcia.c b/drivers/net/wireless/b43/pcmcia.c
index ffe1f89d5f72..dfbc41d431ff 100644
--- a/drivers/net/wireless/b43/pcmcia.c
+++ b/drivers/net/wireless/b43/pcmcia.c
@@ -76,8 +76,7 @@ static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
         dev->conf.Attributes = CONF_ENABLE_IRQ;
         dev->conf.IntType = INT_MEMORY_AND_IO;
 
-        win.Attributes = WIN_ADDR_SPACE_MEM | WIN_MEMORY_TYPE_CM |
-                         WIN_ENABLE | WIN_DATA_WIDTH_16 |
+        win.Attributes =  WIN_ENABLE | WIN_DATA_WIDTH_16 |
                          WIN_USE_WAIT;
         win.Base = 0;
         win.Size = SSB_CORE_SIZE;
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index 7eb339af351b..a860bce6849b 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -785,7 +785,6 @@ static void ray_release(struct pcmcia_device *link)
 {
         struct net_device *dev = link->priv;
         ray_dev_t *local = netdev_priv(dev);
-        int i;
 
         dev_dbg(&link->dev, "ray_release\n");
 
@@ -794,13 +793,6 @@ static void ray_release(struct pcmcia_device *link)
         iounmap(local->sram);
         iounmap(local->rmem);
         iounmap(local->amem);
-        /* Do bother checking to see if these succeed or not */
-        i = pcmcia_release_window(link, local->amem_handle);
-        if (i != 0)
-                dev_dbg(&link->dev, "ReleaseWindow(local->amem) ret = %x\n", i);
-        i = pcmcia_release_window(link, local->rmem_handle);
-        if (i != 0)
-                dev_dbg(&link->dev, "ReleaseWindow(local->rmem) ret = %x\n", i);
         pcmcia_disable_device(link);
 
         dev_dbg(&link->dev, "ray_release ending\n");
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index 511ac753b9d9..37d38b5a1972 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -40,6 +40,7 @@ typedef struct config_t {
         unsigned int    CardValues;
 
         struct resource io[MAX_IO_WIN]; /* io ports */
+        struct resource mem[MAX_WIN];   /* mem areas */
 
         struct {
                 u_int   Attributes;
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 7ddd19a4033d..0bb780c3f263 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -556,9 +556,15 @@ static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s,
                         c->io[i].name = dev_name(&p_dev->dev);
                         c->io[i].flags = IORESOURCE_IO;
                 }
+                for (i = 0; i< MAX_WIN; i++) {
+                        c->mem[i].name = dev_name(&p_dev->dev);
+                        c->mem[i].flags = IORESOURCE_MEM;
+                }
         }
         for (i = 0; i < MAX_IO_WIN; i++)
                 p_dev->resource[i] = &p_dev->function_config->io[i];
+        for (; i < (MAX_IO_WIN + MAX_WIN); i++)
+                p_dev->resource[i] = &p_dev->function_config->mem[i-MAX_IO_WIN];
 
         mutex_unlock(&s->ops_mutex);
 
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 975baaa8168b..01f8e56c8d2f 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -196,15 +196,17 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh,
                         unsigned int offset)
 {
         struct pcmcia_socket *s = p_dev->socket;
+        struct resource *res = wh;
+        unsigned int w;
         int ret;
 
-        wh--;
-        if (wh >= MAX_WIN)
+        w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1;
+        if (w >= MAX_WIN)
                 return -EINVAL;
 
         mutex_lock(&s->ops_mutex);
-        s->win[wh].card_start = offset;
-        ret = s->ops->set_mem_map(s, &s->win[wh]);
+        s->win[w].card_start = offset;
+        ret = s->ops->set_mem_map(s, &s->win[w]);
         if (ret)
                 dev_warn(&s->dev, "failed to set_mem_map\n");
         mutex_unlock(&s->ops_mutex);
@@ -371,19 +373,22 @@ out:
 } /* pcmcia_release_io */
 
 
-int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
+int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res)
 {
         struct pcmcia_socket *s = p_dev->socket;
         pccard_mem_map *win;
+        unsigned int w;
 
-        wh--;
-        if (wh >= MAX_WIN)
+        dev_dbg(&p_dev->dev, "releasing window %pR\n", res);
+
+        w = ((res->flags & IORESOURCE_BITS & WIN_FLAGS_REQ) >> 2) - 1;
+        if (w >= MAX_WIN)
                 return -EINVAL;
 
         mutex_lock(&s->ops_mutex);
-        win = &s->win[wh];
+        win = &s->win[w];
 
-        if (!(p_dev->_win & CLIENT_WIN_REQ(wh))) {
+        if (!(p_dev->_win & CLIENT_WIN_REQ(w))) {
                 dev_dbg(&s->dev, "not releasing unknown window\n");
                 mutex_unlock(&s->ops_mutex);
                 return -EINVAL;
@@ -392,7 +397,7 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
         /* Shut down memory window */
         win->flags &= ~MAP_ACTIVE;
         s->ops->set_mem_map(s, win);
-        s->state &= ~SOCKET_WIN_REQ(wh);
+        s->state &= ~SOCKET_WIN_REQ(w);
 
         /* Release system memory */
         if (win->res) {
@@ -400,7 +405,7 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
                 kfree(win->res);
                 win->res = NULL;
         }
-        p_dev->_win &= ~CLIENT_WIN_REQ(wh);
+        p_dev->_win &= ~CLIENT_WIN_REQ(w);
         mutex_unlock(&s->ops_mutex);
 
         return 0;
@@ -775,23 +780,18 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
         struct pcmcia_socket *s = p_dev->socket;
         pccard_mem_map *win;
         u_long align;
+        struct resource *res;
         int w;
 
         if (!(s->state & SOCKET_PRESENT)) {
                 dev_dbg(&s->dev, "No card present\n");
                 return -ENODEV;
         }
-        if (req->Attributes & (WIN_PAGED | WIN_SHARED)) {
-                dev_dbg(&s->dev, "bad attribute setting for iomem region\n");
-                return -EINVAL;
-        }
 
         /* Window size defaults to smallest available */
         if (req->Size == 0)
                 req->Size = s->map_size;
-        align = (((s->features & SS_CAP_MEM_ALIGN) ||
-                  (req->Attributes & WIN_STRICT_ALIGN)) ?
-                 req->Size : s->map_size);
+        align = (s->features & SS_CAP_MEM_ALIGN) ? req->Size : s->map_size;
         if (req->Size & (s->map_size-1)) {
                 dev_dbg(&s->dev, "invalid map size\n");
                 return -EINVAL;
@@ -805,20 +805,21 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
                 align = 0;
 
         /* Allocate system memory window */
+        mutex_lock(&s->ops_mutex);
         for (w = 0; w < MAX_WIN; w++)
                 if (!(s->state & SOCKET_WIN_REQ(w)))
                         break;
         if (w == MAX_WIN) {
                 dev_dbg(&s->dev, "all windows are used already\n");
+                mutex_unlock(&s->ops_mutex);
                 return -EINVAL;
         }
 
-        mutex_lock(&s->ops_mutex);
         win = &s->win[w];
 
         if (!(s->features & SS_CAP_STATIC_MAP)) {
                 win->res = pcmcia_find_mem_region(req->Base, req->Size, align,
-                                                      (req->Attributes & WIN_MAP_BELOW_1MB), s);
+                                                0, s);
                 if (!win->res) {
                         dev_dbg(&s->dev, "allocating mem region failed\n");
                         mutex_unlock(&s->ops_mutex);
@@ -829,16 +830,8 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
 
         /* Configure the socket controller */
         win->map = w+1;
-        win->flags = 0;
+        win->flags = req->Attributes;
         win->speed = req->AccessSpeed;
-        if (req->Attributes & WIN_MEMORY_TYPE)
-                win->flags |= MAP_ATTRIB;
-        if (req->Attributes & WIN_ENABLE)
-                win->flags |= MAP_ACTIVE;
-        if (req->Attributes & WIN_DATA_WIDTH_16)
-                win->flags |= MAP_16BIT;
-        if (req->Attributes & WIN_USE_WAIT)
-                win->flags |= MAP_USE_WAIT;
         win->card_start = 0;
 
         if (s->ops->set_mem_map(s, win) != 0) {
@@ -854,8 +847,16 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
         else
                 req->Base = win->res->start;
 
+        /* convert to new-style resources */
+        res = p_dev->resource[w + MAX_IO_WIN];
+        res->start = req->Base;
+        res->end = req->Base + req->Size - 1;
+        res->flags &= ~IORESOURCE_BITS;
+        res->flags |= (req->Attributes & WIN_FLAGS_MAP) | (win->map << 2);
+        dev_dbg(&s->dev, "request_window results in %pR\n", res);
+
         mutex_unlock(&s->ops_mutex);
-        *wh = w + 1;
+        *wh = res;
 
         return 0;
 } /* pcmcia_request_window */
@@ -863,13 +864,18 @@ EXPORT_SYMBOL(pcmcia_request_window);
 
 void pcmcia_disable_device(struct pcmcia_device *p_dev)
 {
+        int i;
+        for (i = 0; i < MAX_WIN; i++) {
+                struct resource *res = p_dev->resource[MAX_IO_WIN + i];
+                if (res->flags & WIN_FLAGS_REQ)
+                        pcmcia_release_window(p_dev, res);
+        }
+
         pcmcia_release_configuration(p_dev);
         pcmcia_release_io(p_dev);
         if (p_dev->_irq) {
                 free_irq(p_dev->irq, p_dev->priv);
                 p_dev->_irq = 0;
         }
-        if (p_dev->win)
-                pcmcia_release_window(p_dev, p_dev->win);
 }
 EXPORT_SYMBOL(pcmcia_disable_device);
diff --git a/include/pcmcia/cs.h b/include/pcmcia/cs.h
index e4faf4420f2a..68d8bde7e8d6 100644
--- a/include/pcmcia/cs.h
+++ b/include/pcmcia/cs.h
@@ -77,26 +77,19 @@ typedef struct win_req_t {
 } win_req_t;
 
 /* Attributes for RequestWindow */
-#define WIN_ADDR_SPACE          0x0001
-#define WIN_ADDR_SPACE_MEM      0x0000
-#define WIN_ADDR_SPACE_IO       0x0001
-#define WIN_MEMORY_TYPE         0x0002
-#define WIN_MEMORY_TYPE_CM      0x0000
-#define WIN_MEMORY_TYPE_AM      0x0002
-#define WIN_ENABLE              0x0004
-#define WIN_DATA_WIDTH          0x0018
-#define WIN_DATA_WIDTH_8        0x0000
-#define WIN_DATA_WIDTH_16       0x0008
-#define WIN_DATA_WIDTH_32       0x0010
-#define WIN_PAGED               0x0020
-#define WIN_SHARED              0x0040
-#define WIN_FIRST_SHARED        0x0080
-#define WIN_USE_WAIT            0x0100
-#define WIN_STRICT_ALIGN        0x0200
-#define WIN_MAP_BELOW_1MB       0x0400
-#define WIN_PREFETCH            0x0800
-#define WIN_CACHEABLE           0x1000
-#define WIN_BAR_MASK            0xe000
-#define WIN_BAR_SHIFT           13
+#define WIN_MEMORY_TYPE_CM      0x00 /* default */
+#define WIN_MEMORY_TYPE_AM      0x20 /* MAP_ATTRIB */
+#define WIN_DATA_WIDTH_8        0x00 /* default */
+#define WIN_DATA_WIDTH_16       0x02 /* MAP_16BIT */
+#define WIN_ENABLE              0x01 /* MAP_ACTIVE */
+#define WIN_USE_WAIT            0x40 /* MAP_USE_WAIT */
+
+#define WIN_FLAGS_MAP           0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE |
+                                        MAP_USE_WAIT */
+#define WIN_FLAGS_REQ           0x1c /* mapping to socket->win[i]:
+                                        0x04 -> 0
+                                        0x08 -> 1
+                                        0x0c -> 2
+                                        0x10 -> 3 */
 
 #endif /* _LINUX_CS_H */
diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h
index a2bf3a702c08..70c58ed2278c 100644
--- a/include/pcmcia/ds.h
+++ b/include/pcmcia/ds.h
@@ -36,7 +36,7 @@ struct pcmcia_device;
 struct config_t;
 struct net_device;
 
-typedef unsigned long window_handle_t;
+typedef struct resource *window_handle_t;
 
 /* dynamic device IDs for PCMCIA device drivers. See
  * Documentation/pcmcia/driver.txt for details.
@@ -63,6 +63,17 @@ struct pcmcia_driver {
 int pcmcia_register_driver(struct pcmcia_driver *driver);
 void pcmcia_unregister_driver(struct pcmcia_driver *driver);
 
+/* for struct resource * array embedded in struct pcmcia_device */
+enum {
+        PCMCIA_IOPORT_0,
+        PCMCIA_IOPORT_1,
+        PCMCIA_IOMEM_0,
+        PCMCIA_IOMEM_1,
+        PCMCIA_IOMEM_2,
+        PCMCIA_IOMEM_3,
+        PCMCIA_NUM_RESOURCES,
+};
+
 struct pcmcia_device {
         /* the socket and the device_no [for multifunction devices]
            uniquely define a pcmcia_device */
@@ -85,7 +96,7 @@ struct pcmcia_device {
 
         /* device setup */
         unsigned int            irq;
-        struct resource         *resource[MAX_IO_WIN];
+        struct resource         *resource[PCMCIA_NUM_RESOURCES];
 
         unsigned int            io_lines; /* number of I/O lines */