Changeset 5f5321ee in mainline

Timestamp:

2014-01-24T16:12:32Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

763dbcb

Parents:

dc44023

Message:

ehci: Implement endpoint list enqueue

Location:

uspace/drv/bus/usb/ehci

Files:

• endpoint_list.c (modified) (3 diffs)
• endpoint_list.h (modified) (1 diff)
• hc.c (modified) (2 diffs)
• hc.h (modified) (2 diffs)

uspace/drv/bus/usb/ehci/endpoint_list.c

@@ -82 +82 @@
         assert(ep);
         assert(ep->qh);
-        usb_log_debug2("Queue %s: Adding endpoint(%p).\n", instance->name, ep);
+        usb_log_debug2("Queue %s: Append endpoint(%p).\n", instance->name, ep);
 
         fibril_mutex_lock(&instance->guard);
@@ -103 +103 @@
         write_barrier();
 
-        /* Add ed to the hw queue */
+        /* Add QH to the hw queue */
         qh_append_qh(last_qh, ep->qh);
-        /* Make sure ED is updated */
+        /* Make sure QH is updated */
         write_barrier();
         /* Add to the sw list */
@@ -122 +122 @@
 }
 
+/** Add endpoint to the beginning of the list and queue.
+ *
+ * @param[in] instance List to use.
+ * @param[in] endpoint Endpoint to add.
+ *
+ * The endpoint is added to the end of the list and queue.
+ */
+void endpoint_list_prepend_ep(endpoint_list_t *instance, ehci_endpoint_t *ep)
+{
+        assert(instance);
+        assert(ep);
+        assert(ep->qh);
+        usb_log_debug2("Queue %s: Prepend endpoint(%p).\n", instance->name, ep);
+
+        fibril_mutex_lock(&instance->guard);
+        ep->qh->horizontal = instance->list_head->horizontal;
+        /* Make sure QH is updated */
+        write_barrier();
+        /* Add QH to the hw queue */
+        qh_append_qh(instance->list_head, ep->qh);
+        /* Add to the sw list */
+        list_prepend(&ep->link, &instance->endpoint_list);
+        fibril_mutex_unlock(&instance->guard);
+
+}
 /** Remove endpoint from the list and queue.
  *

uspace/drv/bus/usb/ehci/endpoint_list.h

@@ -74 +74 @@
 int endpoint_list_init(endpoint_list_t *instance, const char *name);
 void endpoint_list_append_ep(endpoint_list_t *instance, ehci_endpoint_t *ep);
+void endpoint_list_prepend_ep(endpoint_list_t *instance, ehci_endpoint_t *ep);
 void endpoint_list_remove_ep(endpoint_list_t *instance, ehci_endpoint_t *ep);
 #endif

uspace/drv/bus/usb/ehci/hc.c

@@ -198 +198 @@
 {
         assert(instance);
-        /* TODO: implement*/
+        //TODO: stop the hw
+#if 0
+        endpoint_list_fini(&instance->async_list);
+        endpoint_list_fini(&instance->int_list);
+        return_page(instance->periodic_list_base);
+#endif
 };
 
 void hc_enqueue_endpoint(hc_t *instance, const endpoint_t *ep)
 {
+        assert(instance);
+        assert(ep);
+        ehci_endpoint_t *ehci_ep = ehci_endpoint_get(ep);
+        switch (ep->transfer_type)
+        {
+        case USB_TRANSFER_CONTROL:
+                endpoint_list_prepend_ep(&instance->async_list, ehci_ep);
+                break;
+        case USB_TRANSFER_BULK:
+                endpoint_list_append_ep(&instance->async_list, ehci_ep);
+                break;
+        case USB_TRANSFER_INTERRUPT:
+                endpoint_list_append_ep(&instance->int_list, ehci_ep);
+                break;
+        case USB_TRANSFER_ISOCHRONOUS:
+                /* NOT SUPPORTED */
+                break;
+        }
 }
 
@@ -343 +366 @@
 {
         assert(instance);
+        int ret = endpoint_list_init(&instance->async_list, "ASYNC");
+        if (ret != EOK) {
+                usb_log_error("Failed to setup ASYNC list: %s", str_error(ret));
+                return ret;
+        }
+
+        ret = endpoint_list_init(&instance->int_list, "INT");
+        if (ret != EOK) {
+                usb_log_error("Failed to setup INT list: %s", str_error(ret));
+                endpoint_list_fini(&instance->async_list);
+                return ret;
+        }
 
         /* Take 1024 periodic list heads, we ignore low mem options */
         instance->periodic_list_base = get_page();
-        if (!instance->periodic_list_base)
+        if (!instance->periodic_list_base) {
+                usb_log_error("Failed to get ISO schedule page.");
+                endpoint_list_fini(&instance->async_list);
+                endpoint_list_fini(&instance->int_list);
                 return ENOMEM;
+        }
         for (unsigned i = 0;
             i < PAGE_SIZE/sizeof(instance->periodic_list_base[0]); ++i)
         {
                 /* Disable everything for now */
-                instance->periodic_list_base[i] = LINK_POINTER_TERM;
+                instance->periodic_list_base[i] =
+                    LINK_POINTER_QH(instance->int_list.list_head_pa);
         }
         return EOK;

uspace/drv/bus/usb/ehci/hc.h

@@ -51 +51 @@
 #include "ehci_rh.h"
 #include "hw_struct/link_pointer.h"
-//#include "endpoint_list.h"
+#include "endpoint_list.h"
 
 /** Main EHCI driver structure */
@@ -63 +63 @@
         link_pointer_t *periodic_list_base;
 
-        /** Transfer schedules */
-//      endpoint_list_t lists[4];
+        /** CONTROL and BULK schedules */
+        endpoint_list_t async_list;
+
+        /** INT schedule */
+        endpoint_list_t int_list;
+
         /** List of active transfers */
         list_t pending_batches;