Changeset 6c399765 in mainline

Timestamp:

2011-04-03T20:06:39Z (14 years ago)

Author:

Matus Dekanek <smekideki@…>

Branches:

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

Children:

195890b

Parents:

fefc27d

Message:

attempt to solve non-removable devices
some fixes in root hub driver

Location:

uspace/drv

Files:

• ohci/root_hub.c (modified) (7 diffs)
• usbhub/usbhub.c (modified) (17 diffs)
• usbhub/usbhub.h (modified) (2 diffs)

uspace/drv/ohci/root_hub.c

@@ -244 +244 @@
 {
         assert(instance);
-        instance->address = -1;
+        //instance->address = -1;
         instance->registers = regs;
         instance->device = dev;
@@ -278 +278 @@
         request->transfered_size = 4;
         uint32_buffer[0] = instance->registers->rh_port_status[port -1];
+#if 0
+        int i;
+        for(i=0;i<instance->port_count;++i){
+                usb_log_debug("port status %d,x%x\n",
+                                instance->registers->rh_port_status[i],
+                                instance->registers->rh_port_status[i]);
+        }
+#endif
         return EOK;
 }
@@ -298 +306 @@
         uint32_buffer[0] = mask & instance->registers->rh_status;
         return EOK;
-
 }
 
@@ -339 +346 @@
  * Result contains bitmap where bit 0 indicates change on hub and
  * bit i indicates change on i`th port (i>0). For more info see
- * Hub and Port status bitmap specification in USB specification.
+ * Hub and Port status bitmap specification in USB specification
+ * (chapter 11.13.4)
  * @param instance root hub instance
  * @param@out buffer pointer to created interrupt mas
@@ -347 +355 @@
                 size_t * buffer_size){
         int bit_count = instance->port_count + 1;
-        (*buffer_size) = (bit_count / 8) + (bit_count%8==0)?0:1;
+        (*buffer_size) = (bit_count / 8) + ((bit_count%8==0)?0:1);
+        
         (*buffer) = malloc(*buffer_size);
         uint8_t * bitmap = (uint8_t*)(*buffer);
-        uint32_t mask = (1<<16) + (1<<17);
+        uint32_t mask = (1<<(USB_HUB_FEATURE_C_HUB_LOCAL_POWER+16))
+                        | (1<<(USB_HUB_FEATURE_C_HUB_OVER_CURRENT+16));
         bzero(bitmap,(*buffer_size));
         if(instance->registers->rh_status & mask){
@@ -358 +368 @@
         mask = 0;
         int i;
-        for(i=16;i<=20;++i)
+        for(i=16;i<=20;++i){
                 mask += 1<<i;
+        }
         for(port = 1; port<=instance->port_count;++port){
                 if(mask & instance->registers->rh_port_status[port-1]){
-                        bitmap[(port+1)/8] += 1<<(port%8);
+                        bitmap[(port)/8] += 1<<(port%8);
                 }
         }
@@ -436 +447 @@
         request->transfered_size = size;
         memcpy(request->transport_buffer,result_descriptor,size);
-        usb_log_debug("sent desctiptor: %s\n",
-                        usb_debug_str_buffer((uint8_t*)request->transport_buffer,size,size));
         if (del)
                 free(result_descriptor);

uspace/drv/usbhub/usbhub.c

@@ -54 +54 @@
 
 
-static void usb_hub_init_add_device(usb_hub_info_t * hub, uint16_t port,
+static int usb_hub_init_add_device(usb_hub_info_t * hub, uint16_t port,
                 usb_speed_t speed);
 
@@ -76 +76 @@
                 async_usleep(1000 * 1000 * 10 );/// \TODO proper number once
                 errorCode = usb_hub_check_hub_changes(hub_info);
+                
         }
         usb_log_error("something in ctrl loop went wrong, errno %d\n",errorCode);
@@ -125 +126 @@
          * these lines allow to reset hub once more, it can be used as
          * brute-force initialization for non-removable devices
-        int opResult = usb_request_set_configuration(&result->endpoints.control, 1);
+         */
+        int opResult = usb_request_set_configuration(hub_info->control_pipe,
+                        1);
         if(opResult!=EOK){
                 usb_log_error("could not set default configuration, errno %d",opResult);
                 return opResult;
         }
-         */
+         
+         
         size_t received_size;
-        int opResult = usb_request_get_descriptor(&hub_info->usb_device->ctrl_pipe,
+        opResult = usb_request_get_descriptor(&hub_info->usb_device->ctrl_pipe,
                         USB_REQUEST_TYPE_CLASS, USB_REQUEST_RECIPIENT_DEVICE,
                         USB_DESCTYPE_HUB,
@@ -163 +167 @@
         usb_log_debug2("freeing data\n");
         free(serialized_descriptor);
-        free(descriptor->devices_removable);
-        free(descriptor);
+        hub_info->descriptor = descriptor;
+        hub_info->not_initialized_non_removables =
+                (uint8_t*)malloc((hub_info->port_count+8)/8);
+        memcpy(hub_info->not_initialized_non_removables,
+                descriptor->devices_removable,
+                (hub_info->port_count+8)/8
+                );
+
+        //free(descriptor->devices_removable);
+        //free(descriptor);
         return EOK;
 }
@@ -289 +301 @@
  * @return error code
  */
-static int usb_hub_trigger_connecting_non_removable_devices(usb_hub_info_t * hub,
+static int usb_hub_trigger_connecting_non_removable_devices(
+                usb_hub_info_t * hub,
                 usb_hub_descriptor_t * descriptor)
 {
         usb_log_info("attaching non-removable devices(if any)\n");
-        usb_device_request_setup_packet_t request;
+        //usb_device_request_setup_packet_t request;
         int opResult;
-        size_t rcvd_size;
-        usb_port_status_t status;
+        //size_t rcvd_size;
+        //usb_port_status_t status;
         uint8_t * non_removable_dev_bitmap = descriptor->devices_removable;
         int port;
+
+        opResult = usb_request_set_configuration(hub->control_pipe,
+                        1);
+        if(opResult!=EOK){
+                usb_log_error("could not set default configuration, errno %d",opResult);
+                return opResult;
+        }
+#if 0
         for(port=1;port<=descriptor->ports_count;++port){
                 bool is_non_removable =
@@ -315 +336 @@
                                 return opResult;
                         }
-                        if(usb_port_dev_connected(&status)){
-                        usb_hub_set_enable_port_feature_request(&request, port,
-                                        USB_HUB_FEATURE_PORT_RESET);
-                        opResult = usb_pipe_control_read(
-                                        hub->control_pipe,
-                                        &request, sizeof(usb_device_request_setup_packet_t),
-                                        &status, 4, &rcvd_size
-                                        );
-                        if (opResult != EOK) {
-                                usb_log_warning(
-                                                "could not reset port %d errno:%d\n",
-                                                port, opResult);
-                        }
-                        usb_log_debug("port reset\n");
+                        //try to reset port
+                        if(usb_port_dev_connected(&status) || true){
+                                usb_hub_set_enable_port_feature_request(&request, port,
+                                                USB_HUB_FEATURE_PORT_RESET);
+                                opResult = usb_pipe_control_read(
+                                                hub->control_pipe,
+                                                &request, sizeof(usb_device_request_setup_packet_t),
+                                                &status, 4, &rcvd_size
+                                                );
+                                if (opResult != EOK) {
+                                        usb_log_warning(
+                                                        "could not reset port %d errno:%d\n",
+                                                        port, opResult);
+                                }
+                                usb_log_debug("port reset, should look like %d,x%x\n",
+                                                (1<<USB_HUB_FEATURE_PORT_RESET),
+                                                (1<<USB_HUB_FEATURE_PORT_RESET)
+                                                );
                         }
                         //set the status change bit, so it will be noticed in driver loop
-                        /*if(usb_port_dev_connected(&status)){
+                        if(usb_port_dev_connected(&status) && false){
                                 usb_hub_set_disable_port_feature_request(&request, port,
                                                 USB_HUB_FEATURE_PORT_CONNECTION);
@@ -358 +383 @@
                                 }
                                 usb_log_debug("port set to enabled - should lead to connection change\n");
-                        }*/
+                        }
                 }
         }
+#endif
+
         /// \TODO this is just a debug code
         for(port=1;port<=descriptor->ports_count;++port){
@@ -366 +393 @@
                                 ((non_removable_dev_bitmap[port/8]) >> (port%8)) %2;
                 if(is_non_removable){
-                        usb_log_debug("port %d is non-removable\n",port);
+                        usb_log_debug("CHECKING port %d is non-removable\n",port);
                         usb_port_status_t status;
                         size_t rcvd_size;
@@ -392 +419 @@
                 }
         }
+
         return EOK;
 }
@@ -419 +447 @@
  * @param port port number, starting from 1
  * @param speed transfer speed of attached device, one of low, full or high
- */
-static void usb_hub_init_add_device(usb_hub_info_t * hub, uint16_t port,
+ * @return error code
+ */
+static int usb_hub_init_add_device(usb_hub_info_t * hub, uint16_t port,
                 usb_speed_t speed) {
         //if this hub already uses default address, it cannot request it once more
-        if(hub->is_default_address_used) return;
+        if(hub->is_default_address_used) return EREFUSED;
         usb_log_debug("some connection changed\n");
         assert(hub->control_pipe->hc_phone);
@@ -439 +468 @@
                 usb_log_warning("cannot assign default address, it is probably used %d\n",
                                 opResult);
-                return;
+                return opResult;
         }
         hub->is_default_address_used = true;
@@ -453 +482 @@
                 usb_hub_release_default_address(hub);
         }
-        return;
+        return opResult;
 }
 
@@ -670 +699 @@
                 }
         }
-        usb_log_debug("status %x\n ",status);
+        usb_log_debug("status x%x : %d\n ",status,status);
 
         usb_port_set_connect_change(&status, false);
@@ -683 +712 @@
 }
 
+
+static int initialize_non_removable(usb_hub_info_t * hub_info,
+        unsigned int port){
+        int opResult;
+        usb_log_debug("there is not pluged in non-removable device on "
+                "port %d\n",port
+                );
+        //usb_hub_init_add_device(hub_info, port, usb_port_speed(&status));
+        usb_port_status_t status;
+        size_t rcvd_size;
+        usb_device_request_setup_packet_t request;
+        //int opResult;
+        usb_hub_set_port_status_request(&request, port);
+        //endpoint 0
+
+        opResult = usb_pipe_control_read(
+                        hub_info->control_pipe,
+                        &request, sizeof(usb_device_request_setup_packet_t),
+                        &status, 4, &rcvd_size
+                        );
+        if (opResult != EOK) {
+                usb_log_error("could not get port status %d\n",opResult);
+                return opResult;
+        }
+        if (rcvd_size != sizeof (usb_port_status_t)) {
+                usb_log_error("received status has incorrect size\n");
+                return opResult;
+        }
+        usb_log_debug("port status %d, x%x\n",status,status);
+        if(usb_port_dev_connected(&status)){
+                usb_log_debug("there is connected device on this port\n");
+        }
+        if(!hub_info->is_default_address_used)
+                usb_hub_init_add_device(hub_info, port, usb_port_speed(&status));
+        return opResult;
+}
+
 /**
  * check changes on hub
@@ -694 +760 @@
         opResult = usb_pipe_start_session(
                         hub_info->status_change_pipe);
+        //this might not be necessary - if all non-removables are ok, it is not needed here
+        opResult = usb_pipe_start_session(hub_info->control_pipe);
         if(opResult != EOK){
                 usb_log_error("could not initialize communication for hub; %d\n",
@@ -701 +769 @@
 
         size_t port_count = hub_info->port_count;
+        //first check non-removable devices
+        {
+        unsigned int port;
+        for(port = 1; port<=port_count; ++port){
+                bool is_non_removable =
+                        hub_info->not_initialized_non_removables[port/8]
+                        & (1 << (port%8));
+                if(is_non_removable){
+                        opResult = initialize_non_removable(hub_info,port);
+                }
+        }
+        }
+
 
         /// FIXME: count properly
@@ -722 +803 @@
         }
         unsigned int port;
-        opResult = usb_pipe_start_session(hub_info->control_pipe);
+        
         if(opResult!=EOK){
                 usb_log_error("could not start control pipe session %d\n", opResult);

uspace/drv/usbhub/usbhub.h

@@ -43 +43 @@
 
 #include <usb/hub.h>
+#include <usb/classes/hub.h>
 
 #include <usb/pipes.h>
@@ -84 +85 @@
         /** generic usb device data*/
         usb_device_t * usb_device;
+
+        /** usb hub specific descriptor */
+        usb_hub_descriptor_t * descriptor;
+
+        /** not yet initialized non-removable devices */
+        uint8_t * not_initialized_non_removables;
+
 } usb_hub_info_t;