Merge master.kernel.org:/home/rmk/linux-2.6-arm
[pandora-kernel.git] / drivers / pcmcia / pcmcia_resource.c
index c01dc6b..89022ad 100644 (file)
@@ -23,7 +23,6 @@
 #include <linux/device.h>
 
 #define IN_CARD_SERVICES
-#include <pcmcia/version.h>
 #include <pcmcia/cs_types.h>
 #include <pcmcia/ss.h>
 #include <pcmcia/cs.h>
@@ -42,6 +41,7 @@ module_param(io_speed, int, 0444);
 
 
 #ifdef CONFIG_PCMCIA_PROBE
+#include <asm/irq.h>
 /* mask of IRQs already reserved by other cards, we should avoid using them */
 static u8 pcmcia_used_irq[NR_IRQS];
 #endif
@@ -202,14 +202,11 @@ int pccard_access_configuration_register(struct pcmcia_socket *s,
        return CS_SUCCESS;
 } /* pccard_access_configuration_register */
 
-int pcmcia_access_configuration_register(client_handle_t handle,
+int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
                                         conf_reg_t *reg)
 {
-       struct pcmcia_socket *s;
-       if (CHECK_HANDLE(handle))
-               return CS_BAD_HANDLE;
-       s = SOCKET(handle);
-       return pccard_access_configuration_register(s, handle->Function, reg);
+       return pccard_access_configuration_register(p_dev->socket,
+                                                   p_dev->func, reg);
 }
 EXPORT_SYMBOL(pcmcia_access_configuration_register);
 
@@ -271,17 +268,11 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
        return CS_SUCCESS;
 } /* pccard_get_configuration_info */
 
-int pcmcia_get_configuration_info(client_handle_t handle,
+int pcmcia_get_configuration_info(struct pcmcia_device *p_dev,
                                  config_info_t *config)
 {
-       struct pcmcia_socket *s;
-
-       if ((CHECK_HANDLE(handle)) || !config)
-               return CS_BAD_HANDLE;
-       s = SOCKET(handle);
-       if (!s)
-               return CS_BAD_HANDLE;
-       return pccard_get_configuration_info(s, handle->Function, config);
+       return pccard_get_configuration_info(p_dev->socket, p_dev->func,
+                                            config);
 }
 EXPORT_SYMBOL(pcmcia_get_configuration_info);
 
@@ -382,10 +373,8 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function,
 int pcmcia_get_status(client_handle_t handle, cs_status_t *status)
 {
        struct pcmcia_socket *s;
-       if (CHECK_HANDLE(handle))
-               return CS_BAD_HANDLE;
        s = SOCKET(handle);
-       return pccard_get_status(s, handle->Function, status);
+       return pccard_get_status(s, handle->func, status);
 }
 EXPORT_SYMBOL(pcmcia_get_status);
 
@@ -426,16 +415,14 @@ EXPORT_SYMBOL(pcmcia_map_mem_page);
  *
  * Modify a locked socket configuration
  */
-int pcmcia_modify_configuration(client_handle_t handle,
+int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
                                modconf_t *mod)
 {
        struct pcmcia_socket *s;
        config_t *c;
 
-       if (CHECK_HANDLE(handle))
-               return CS_BAD_HANDLE;
-       s = SOCKET(handle);
-       c = CONFIG(handle);
+       s = p_dev->socket;
+       c = CONFIG(p_dev);
        if (!(s->state & SOCKET_PRESENT))
                return CS_NO_CARD;
        if (!(c->state & CONFIG_LOCKED))
@@ -460,7 +447,7 @@ int pcmcia_modify_configuration(client_handle_t handle,
            (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
                if (mod->Vpp1 != mod->Vpp2)
                        return CS_BAD_VPP;
-               c->Vpp1 = c->Vpp2 = s->socket.Vpp = mod->Vpp1;
+               s->socket.Vpp = mod->Vpp1;
                if (s->ops->set_socket(s, &s->socket))
                        return CS_BAD_VPP;
        } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
@@ -472,25 +459,18 @@ int pcmcia_modify_configuration(client_handle_t handle,
 EXPORT_SYMBOL(pcmcia_modify_configuration);
 
 
-int pcmcia_release_configuration(client_handle_t handle)
+int pcmcia_release_configuration(struct pcmcia_device *p_dev)
 {
        pccard_io_map io = { 0, 0, 0, 0, 1 };
-       struct pcmcia_socket *s;
+       struct pcmcia_socket *s = p_dev->socket;
        int i;
 
-       if (CHECK_HANDLE(handle) ||
-           !(handle->state & CLIENT_CONFIG_LOCKED))
+       if (!(p_dev->state & CLIENT_CONFIG_LOCKED))
                return CS_BAD_HANDLE;
-       handle->state &= ~CLIENT_CONFIG_LOCKED;
-       s = SOCKET(handle);
-
-#ifdef CONFIG_CARDBUS
-       if (handle->state & CLIENT_CARDBUS)
-               return CS_SUCCESS;
-#endif
+       p_dev->state &= ~CLIENT_CONFIG_LOCKED;
 
-       if (!(handle->state & CLIENT_STALE)) {
-               config_t *c = CONFIG(handle);
+       if (!(p_dev->state & CLIENT_STALE)) {
+               config_t *c = CONFIG(p_dev);
                if (--(s->lock_count) == 0) {
                        s->socket.flags = SS_OUTPUT_ENA;   /* Is this correct? */
                        s->socket.Vpp = 0;
@@ -523,22 +503,16 @@ EXPORT_SYMBOL(pcmcia_release_configuration);
  * don't bother checking the port ranges against the current socket
  * values.
  */
-int pcmcia_release_io(client_handle_t handle, io_req_t *req)
+int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
 {
-       struct pcmcia_socket *s;
+       struct pcmcia_socket *s = p_dev->socket;
 
-       if (CHECK_HANDLE(handle) || !(handle->state & CLIENT_IO_REQ))
+       if (!(p_dev->state & CLIENT_IO_REQ))
                return CS_BAD_HANDLE;
-       handle->state &= ~CLIENT_IO_REQ;
-       s = SOCKET(handle);
-
-#ifdef CONFIG_CARDBUS
-       if (handle->state & CLIENT_CARDBUS)
-               return CS_SUCCESS;
-#endif
+       p_dev->state &= ~CLIENT_IO_REQ;
 
-       if (!(handle->state & CLIENT_STALE)) {
-               config_t *c = CONFIG(handle);
+       if (!(p_dev->state & CLIENT_STALE)) {
+               config_t *c = CONFIG(p_dev);
                if (c->state & CONFIG_LOCKED)
                        return CS_CONFIGURATION_LOCKED;
                if ((c->io.BasePort1 != req->BasePort1) ||
@@ -558,16 +532,15 @@ int pcmcia_release_io(client_handle_t handle, io_req_t *req)
 EXPORT_SYMBOL(pcmcia_release_io);
 
 
-int pcmcia_release_irq(client_handle_t handle, irq_req_t *req)
+int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 {
-       struct pcmcia_socket *s;
-       if (CHECK_HANDLE(handle) || !(handle->state & CLIENT_IRQ_REQ))
+       struct pcmcia_socket *s = p_dev->socket;
+       if (!(p_dev->state & CLIENT_IRQ_REQ))
                return CS_BAD_HANDLE;
-       handle->state &= ~CLIENT_IRQ_REQ;
-       s = SOCKET(handle);
+       p_dev->state &= ~CLIENT_IRQ_REQ;
 
-       if (!(handle->state & CLIENT_STALE)) {
-               config_t *c = CONFIG(handle);
+       if (!(p_dev->state & CLIENT_STALE)) {
+               config_t *c = CONFIG(p_dev);
                if (c->state & CONFIG_LOCKED)
                        return CS_CONFIGURATION_LOCKED;
                if (c->irq.Attributes != req->Attributes)
@@ -623,29 +596,21 @@ int pcmcia_release_window(window_handle_t win)
 EXPORT_SYMBOL(pcmcia_release_window);
 
 
-int pcmcia_request_configuration(client_handle_t handle,
+int pcmcia_request_configuration(struct pcmcia_device *p_dev,
                                 config_req_t *req)
 {
        int i;
        u_int base;
-       struct pcmcia_socket *s;
+       struct pcmcia_socket *s = p_dev->socket;
        config_t *c;
        pccard_io_map iomap;
 
-       if (CHECK_HANDLE(handle))
-               return CS_BAD_HANDLE;
-       s = SOCKET(handle);
        if (!(s->state & SOCKET_PRESENT))
                return CS_NO_CARD;
 
-#ifdef CONFIG_CARDBUS
-       if (handle->state & CLIENT_CARDBUS)
-               return CS_UNSUPPORTED_MODE;
-#endif
-
        if (req->IntType & INT_CARDBUS)
                return CS_UNSUPPORTED_MODE;
-       c = CONFIG(handle);
+       c = CONFIG(p_dev);
        if (c->state & CONFIG_LOCKED)
                return CS_CONFIGURATION_LOCKED;
 
@@ -658,8 +623,6 @@ int pcmcia_request_configuration(client_handle_t handle,
        if (s->ops->set_socket(s, &s->socket))
                return CS_BAD_VPP;
 
-       c->Vcc = req->Vcc; c->Vpp1 = c->Vpp2 = req->Vpp1;
-
        /* Pick memory or I/O card, DMA mode, interrupt */
        c->IntType = req->IntType;
        c->Attributes = req->Attributes;
@@ -746,7 +709,7 @@ int pcmcia_request_configuration(client_handle_t handle,
        }
 
        c->state |= CONFIG_LOCKED;
-       handle->state |= CLIENT_CONFIG_LOCKED;
+       p_dev->state |= CLIENT_CONFIG_LOCKED;
        return CS_SUCCESS;
 } /* pcmcia_request_configuration */
 EXPORT_SYMBOL(pcmcia_request_configuration);
@@ -757,29 +720,17 @@ EXPORT_SYMBOL(pcmcia_request_configuration);
  * Request_io() reserves ranges of port addresses for a socket.
  * I have not implemented range sharing or alias addressing.
  */
-int pcmcia_request_io(client_handle_t handle, io_req_t *req)
+int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
 {
-       struct pcmcia_socket *s;
+       struct pcmcia_socket *s = p_dev->socket;
        config_t *c;
 
-       if (CHECK_HANDLE(handle))
-               return CS_BAD_HANDLE;
-       s = SOCKET(handle);
        if (!(s->state & SOCKET_PRESENT))
                return CS_NO_CARD;
 
-       if (handle->state & CLIENT_CARDBUS) {
-#ifdef CONFIG_CARDBUS
-               handle->state |= CLIENT_IO_REQ;
-               return CS_SUCCESS;
-#else
-               return CS_UNSUPPORTED_FUNCTION;
-#endif
-       }
-
        if (!req)
                return CS_UNSUPPORTED_MODE;
-       c = CONFIG(handle);
+       c = CONFIG(p_dev);
        if (c->state & CONFIG_LOCKED)
                return CS_CONFIGURATION_LOCKED;
        if (c->state & CONFIG_IO_REQ)
@@ -804,7 +755,7 @@ int pcmcia_request_io(client_handle_t handle, io_req_t *req)
 
        c->io = *req;
        c->state |= CONFIG_IO_REQ;
-       handle->state |= CLIENT_IO_REQ;
+       p_dev->state |= CLIENT_IO_REQ;
        return CS_SUCCESS;
 } /* pcmcia_request_io */
 EXPORT_SYMBOL(pcmcia_request_io);
@@ -827,19 +778,15 @@ static irqreturn_t test_action(int cpl, void *dev_id, struct pt_regs *regs)
 }
 #endif
 
-int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
+int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 {
-       struct pcmcia_socket *s;
+       struct pcmcia_socket *s = p_dev->socket;
        config_t *c;
        int ret = CS_IN_USE, irq = 0;
-       struct pcmcia_device *p_dev = handle_to_pdev(handle);
 
-       if (CHECK_HANDLE(handle))
-               return CS_BAD_HANDLE;
-       s = SOCKET(handle);
        if (!(s->state & SOCKET_PRESENT))
                return CS_NO_CARD;
-       c = CONFIG(handle);
+       c = CONFIG(p_dev);
        if (c->state & CONFIG_LOCKED)
                return CS_CONFIGURATION_LOCKED;
        if (c->state & CONFIG_IRQ_REQ)
@@ -852,7 +799,7 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
        } else {
                int try;
                u32 mask = s->irq_mask;
-               void *data = NULL;
+               void *data = &p_dev->dev.driver; /* something unique to this device */
 
                for (try = 0; try < 64; try++) {
                        irq = try % 32;
@@ -873,7 +820,7 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
                                          ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
                                           (s->functions > 1) ||
                                           (irq == s->pci_irq)) ? SA_SHIRQ : 0,
-                                         p_dev->dev.bus_id,
+                                         p_dev->devname,
                                          (req->Attributes & IRQ_HANDLE_PRESENT) ? req->Instance : data);
                        if (!ret) {
                                if (!(req->Attributes & IRQ_HANDLE_PRESENT))
@@ -883,7 +830,8 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
                }
        }
 #endif
-       if (ret) {
+       /* only assign PCI irq if no IRQ already assigned */
+       if (ret && !s->irq.AssignedIRQ) {
                if (!s->pci_irq)
                        return ret;
                irq = s->pci_irq;
@@ -894,7 +842,7 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
                                ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
                                 (s->functions > 1) ||
                                 (irq == s->pci_irq)) ? SA_SHIRQ : 0,
-                               p_dev->dev.bus_id, req->Instance))
+                               p_dev->devname, req->Instance))
                        return CS_IN_USE;
        }
 
@@ -903,7 +851,7 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
        s->irq.Config++;
 
        c->state |= CONFIG_IRQ_REQ;
-       handle->state |= CLIENT_IRQ_REQ;
+       p_dev->state |= CLIENT_IRQ_REQ;
 
 #ifdef CONFIG_PCMCIA_PROBE
        pcmcia_used_irq[irq]++;
@@ -919,16 +867,13 @@ EXPORT_SYMBOL(pcmcia_request_irq);
  * Request_window() establishes a mapping between card memory space
  * and system memory space.
  */
-int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle_t *wh)
+int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_handle_t *wh)
 {
-       struct pcmcia_socket *s;
+       struct pcmcia_socket *s = (*p_dev)->socket;
        window_t *win;
        u_long align;
        int w;
 
-       if (CHECK_HANDLE(*handle))
-               return CS_BAD_HANDLE;
-       s = (*handle)->Socket;
        if (!(s->state & SOCKET_PRESENT))
                return CS_NO_CARD;
        if (req->Attributes & (WIN_PAGED | WIN_SHARED))
@@ -957,7 +902,7 @@ int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle
        win = &s->win[w];
        win->magic = WINDOW_MAGIC;
        win->index = w;
-       win->handle = *handle;
+       win->handle = *p_dev;
        win->sock = s;
 
        if (!(s->features & SS_CAP_STATIC_MAP)) {
@@ -966,7 +911,7 @@ int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle
                if (!win->ctl.res)
                        return CS_IN_USE;
        }
-       (*handle)->state |= CLIENT_WIN_REQ(w);
+       (*p_dev)->state |= CLIENT_WIN_REQ(w);
 
        /* Configure the socket controller */
        win->ctl.map = w+1;