Changeset e56b8a3 in mainline for uspace/drv/ohci/root_hub.c

Timestamp:

2011-05-27T13:27:22Z (13 years ago)

Author:

Matej Klonfar <maklf@…>

Branches:

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

Children:

0c904a3

Parents:

8242dd86 (diff), 567a3e2 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Development changes

File:

• uspace/drv/ohci/root_hub.c (modified) (12 diffs)

uspace/drv/ohci/root_hub.c

@@ -61 +61 @@
         .vendor_id = 0x16db,
         .product_id = 0x0001,
-        /// \TODO these values migt be different
         .str_serial_number = 0,
         .usb_spec_version = 0x110,
@@ -119 +118 @@
 static const uint32_t hub_clear_feature_by_writing_one_mask =
    RHS_CLEAR_PORT_POWER;
-   // 1 << USB_HUB_FEATURE_C_HUB_LOCAL_POWER;
 
 /**
@@ -127 +125 @@
     RHS_LPSC_FLAG |
     RHS_OCIC_FLAG;
-    //(1 << USB_HUB_FEATURE_C_HUB_OVER_CURRENT) |
-    //(1 << USB_HUB_FEATURE_C_HUB_LOCAL_POWER);
 
 /**
@@ -135 +131 @@
 static const uint32_t hub_set_feature_direct_mask =
     RHS_SET_PORT_POWER;
-    //(1 << USB_HUB_FEATURE_C_HUB_OVER_CURRENT);
 
 /**
@@ -160 +155 @@
     RHPS_PRSC_FLAG;
 
-/*
-
-    (1 << USB_HUB_FEATURE_PORT_CONNECTION) |
-    (1 << USB_HUB_FEATURE_PORT_SUSPEND) |
-    (1 << USB_HUB_FEATURE_PORT_OVER_CURRENT) |
-    (1 << USB_HUB_FEATURE_PORT_POWER) |
-    (1 << USB_HUB_FEATURE_C_PORT_CONNECTION) |
-    (1 << USB_HUB_FEATURE_C_PORT_ENABLE) |
-    (1 << USB_HUB_FEATURE_C_PORT_SUSPEND) |
-    (1 << USB_HUB_FEATURE_C_PORT_OVER_CURRENT) |
-    (1 << USB_HUB_FEATURE_C_PORT_RESET);
- */
 //note that USB_HUB_FEATURE_PORT_POWER bit is translated into
 //USB_HUB_FEATURE_PORT_LOW_SPEED for port set feature request
@@ -179 +162 @@
  */
 static const uint32_t port_status_change_mask = RHPS_CHANGE_WC_MASK;
-/*    (1 << USB_HUB_FEATURE_C_PORT_CONNECTION) |
-    (1 << USB_HUB_FEATURE_C_PORT_ENABLE) |
-    (1 << USB_HUB_FEATURE_C_PORT_OVER_CURRENT) |
-    (1 << USB_HUB_FEATURE_C_PORT_RESET) |
-    (1 << USB_HUB_FEATURE_C_PORT_SUSPEND);
-*/
 
 static int create_serialized_hub_descriptor(rh_t *instance);
@@ -420 +397 @@
  * create answer to port status_request
  *
- * Copy content of corresponding port status register to answer buffer.
+ * Copy content of corresponding port status register to answer buffer. The
+ * format of the port status register and port status data is the same (
+ * see OHCI root hub and USB hub documentation).
  *
  * @param instance root hub instance
@@ -431 +410 @@
         if (port < 1 || port > instance->port_count)
                 return EINVAL;
-        uint32_t * uint32_buffer = (uint32_t*) request->data_buffer;
         request->transfered_size = 4;
-        uint32_buffer[0] = instance->registers->rh_port_status[port - 1];
+        uint32_t data = instance->registers->rh_port_status[port - 1];
+        memcpy(request->data_buffer,&data,4);
 #if 0
         int i;
@@ -450 +429 @@
  * create answer to port status_request
  *
- * Copy content of hub status register to answer buffer.
+ * This copies flags in hub status register into the buffer. The format of the
+ * status register and status message is the same, according to USB hub
+ * specification and OHCI root hub specification.
  *
  * @param instance root hub instance
@@ -458 +439 @@
 static int process_get_hub_status_request(rh_t *instance,
     usb_transfer_batch_t * request) {
-        uint32_t * uint32_buffer = (uint32_t*) request->data_buffer;
+        //uint32_t * uint32_buffer = (uint32_t*) request->data_buffer;
         request->transfered_size = 4;
         //bits, 0,1,16,17
         uint32_t mask = 1 | (1 << 1) | (1 << 16) | (1 << 17);
-        uint32_buffer[0] = mask & instance->registers->rh_status;
+        uint32_t data = mask & instance->registers->rh_status;
+        //uint32_buffer[0] = mask & instance->registers->rh_status;
+        memcpy(request->data_buffer,&data,4);
 
         return EOK;
@@ -516 +499 @@
             | (1 << (USB_HUB_FEATURE_C_HUB_OVER_CURRENT + 16));
         bzero(bitmap, instance->interrupt_mask_size);
-        if (instance->registers->rh_status & mask) {
+        if ((instance->registers->rh_status & mask) !=0 ) {
                 bitmap[0] = 1;
         }
@@ -522 +505 @@
         mask = port_status_change_mask;
         for (port = 1; port <= instance->port_count; ++port) {
-                if (mask & instance->registers->rh_port_status[port - 1]) {
+                if ((mask & instance->registers->rh_port_status[port - 1]) != 0) {
 
                         bitmap[(port) / 8] += 1 << (port % 8);