Changeset 95d5dca in mainline

Timestamp:

2014-01-22T18:38:53Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

82a639cd

Parents:

b300d2b

Message:

ehci, rh: Handle status change bits

Location:

uspace/drv/bus/usb/ehci

Files:

• ehci_rh.c (modified) (5 diffs)
• ehci_rh.h (modified) (1 diff)

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

@@ -114 +114 @@
         }
 
+        for (unsigned i = 0; i < EHCI_MAX_PORTS; ++i) {
+                instance->reset_flag[i] = false;
+                instance->resume_flag[i] = false;
+        }
+
         ehci_rh_hub_desc_init(instance, EHCI_RD(caps->hcsparams));
         instance->unfinished_interrupt_transfer = NULL;
@@ -269 +274 @@
             (reg & USB_PORTSC_PORT_OWNER_FLAG) ? (1 << 10) : 0 |
             (reg & USB_PORTSC_PORT_TEST_MASK) ? (1 << 11) : 0 |
-            (reg & USB_PORTSC_INDICATOR_MASK) ? (1 << 12) : 0)
-        ;
+            (reg & USB_PORTSC_INDICATOR_MASK) ? (1 << 12) : 0 |
+            (reg & USB_PORTSC_CONNECT_CH_FLAG) ? (1 << 16) : 0 |
+            (reg & USB_PORTSC_EN_CHANGE_FLAG) ? (1 << 17) : 0 |
+            hub->resume_flag[port] ? (1 << 18) : 0 |
+            (reg & USB_PORTSC_OC_CHANGE_FLAG) ? (1 << 19) : 0 |
+            hub->reset_flag[port] ? (1 << 20): 0
+        );
         //TODO: use hub status flags here
         memcpy(data, &status, sizeof(status));
@@ -317 +327 @@
                 EHCI_CLR(hub->registers->portsc[port],
                     USB_PORTSC_RESUME_FLAG);
+                hub->resume_flag[port] = true;
                 return EOK;
 
@@ -332 +343 @@
                 return EOK;
         case USB_HUB_FEATURE_C_PORT_SUSPEND:      /*18*/
+                hub->resume_flag[port] = false;
+                return EOK;
         case USB_HUB_FEATURE_C_PORT_RESET:        /*20*/
-                //TODO these are not represented in hw, think of something
+                hub->reset_flag[port] = false;
                 return EOK;
 
@@ -378 +391 @@
                  * after reset it's a full speed device */
                 if (!(EHCI_RD(hub->registers->portsc[port]) &
-                    USB_PORTSC_ENABLED_FLAG))
+                    USB_PORTSC_ENABLED_FLAG)) {
                         EHCI_CLR(hub->registers->portsc[port],
                             USB_PORTSC_PORT_OWNER_FLAG);
+                } else {
+                        hub->reset_flag[port] = true;
+                }
 
                 return EOK;

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

@@ -63 +63 @@
         /** interrupt transfer waiting for an actual interrupt to occur */
         usb_transfer_batch_t *unfinished_interrupt_transfer;
+        bool reset_flag[EHCI_MAX_PORTS];
+        bool resume_flag[EHCI_MAX_PORTS];
 } ehci_rh_t;