Changeset 1f5c1e61 in mainline

Timestamp:

2011-02-04T12:37:31Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

1669a73

Parents:

5944244

Message:

Separate phones for every root hub port

Add tons of debug output

Location:

uspace/drv/uhci-rhd

Files:

• main.c (modified) (1 diff)
• port.c (modified) (8 diffs)
• port.h (modified) (1 diff)
• port_status.c (modified) (1 diff)
• root_hub.c (modified) (2 diffs)

uspace/drv/uhci-rhd/main.c

@@ -102 +102 @@
 int main(int argc, char *argv[])
 {
-        usb_log_enable(USB_LOG_LEVEL_INFO, NAME);
+        usb_log_enable(USB_LOG_LEVEL_DEBUG, NAME);
         return driver_main(&uhci_rh_driver);
 }

uspace/drv/uhci-rhd/port.c

@@ -48 +48 @@
 int uhci_port_init(
   uhci_port_t *port, port_status_t *address, unsigned number,
-  unsigned usec, device_t *rh)
+  unsigned usec, device_t *rh, int parent_phone)
 {
         assert(port);
@@ -56 +56 @@
         port->attached_device = 0;
         port->rh = rh;
-        port->hc_phone = rh->parent_phone;
+        port->hc_phone = parent_phone;
 
         port->checker = fibril_create(uhci_port_check, port);
@@ -71 +71 @@
 void uhci_port_fini(uhci_port_t *port)
 {
+// TODO: destroy fibril
+// TODO: hangup phone
 //      fibril_teardown(port->checker);
         return;
@@ -77 +79 @@
 int uhci_port_check(void *port)
 {
-        async_usleep( 1000000 );
         uhci_port_t *port_instance = port;
         assert(port_instance);
@@ -114 +115 @@
         usb_log_info("Adding new device on port %d.\n", port->number);
 
+        /* get address of the future device */
+        const usb_address_t usb_address = usb_drv_request_address(port->hc_phone);
+
+        if (usb_address <= 0) {
+                usb_log_error("Recieved invalid address(%d).\n", usb_address);
+                return usb_address;
+        }
+        usb_log_debug("Sucessfully obtained address %d for port %d.\n",
+            usb_address, port->number);
 
         /* get default address */
         int ret = usb_drv_reserve_default_address(port->hc_phone);
         if (ret != EOK) {
-                usb_log_error("Failed to reserve default address.\n");
+                usb_log_error("Failed to reserve default address on port %d.\n",
+                    port->number);
+                int ret2 =
+                  usb_drv_release_address(port->hc_phone, usb_address);
+                if (ret2 != EOK) {
+                        usb_log_fatal("Failed to return requested address on port %d.\n",
+                           port->number);
+                        return ret2;
+                }
+                usb_log_debug("Successfully returned reserved address on port %d.\n",
+                        port->number);
                 return ret;
         }
-
-        const usb_address_t usb_address = usb_drv_request_address(port->hc_phone);
-
-        if (usb_address <= 0) {
-                usb_log_error("Recieved invalid address(%d).\n", usb_address);
-                return usb_address;
-        }
+        usb_log_debug("Sucessfully obtained default address for port %d.\n",
+            port->number);
+
         /*
          * the host then waits for at least 100 ms to allow completion of
@@ -140 +156 @@
          * (See Section 11.5.1.5)
          */
-        port_status_t port_status =
-                port_status_read(port->address);
-        port_status |= STATUS_IN_RESET;
-        port_status_write(port->address, port_status);
-        async_usleep(10000);
-        port_status =
-                port_status_read(port->address);
-        port_status &= ~STATUS_IN_RESET;
-        port_status_write(port->address, port_status);
+        {
+                usb_log_debug("Reset Signal start on port %d.\n",
+                    port->number);
+                port_status_t port_status =
+                        port_status_read(port->address);
+                port_status |= STATUS_IN_RESET;
+                port_status_write(port->address, port_status);
+                async_usleep(10000);
+                port_status =
+                        port_status_read(port->address);
+                port_status &= ~STATUS_IN_RESET;
+                port_status_write(port->address, port_status);
+                usb_log_debug("Reset Signal stop on port %d.\n",
+                    port->number);
+        }
 
         /* assign address to device */
         ret = usb_drv_req_set_address(port->hc_phone, 0, usb_address);
-
 
         if (ret != EOK) { /* address assigning went wrong */
@@ -159 +180 @@
                 int release = usb_drv_release_default_address(port->hc_phone);
                 if (release != EOK) {
-                        usb_log_error("Failed to release default address.\n");
+                        usb_log_error("Failed to release default address on port %d.\n",
+                            port->number);
                         return release;
                 }
+                usb_log_debug("Sucessfully released default address on port %d.\n",
+                    port->number);
                 return ret;
         }
+        usb_log_debug("Sucessfully assigned address %d for port %d.\n",
+            usb_address, port->number);
 
         /* release default address */
         ret = usb_drv_release_default_address(port->hc_phone);
         if (ret != EOK) {
-                usb_log_error("Failed to release default address.\n");
+                usb_log_error("Failed to release default address on port %d.\n",
+                    port->number);
                 return ret;
         }
+        usb_log_debug("Sucessfully released default address on port %d.\n",
+            port->number);
 
         /* communicate and possibly report to devman */
@@ -195 +224 @@
         usb_log_error("Don't know how to remove device %#x.\n",
                 (unsigned int)port->attached_device);
-        uhci_port_set_enabled(port, false);
+//      uhci_port_set_enabled(port, false);
         return EOK;
 }

uspace/drv/uhci-rhd/port.h

@@ -54 +54 @@
 int uhci_port_init(
   uhci_port_t *port, port_status_t *address, unsigned number,
-  unsigned usec, device_t *rh);
+  unsigned usec, device_t *rh, int parent_phone);
 
 void uhci_port_fini(uhci_port_t *port);

uspace/drv/uhci-rhd/port_status.c

@@ -64 +64 @@
         unsigned i = 0;
         for (;i < sizeof(flags)/sizeof(struct flag_name); ++i) {
-                usb_log_debug("\t%s status: %s.\n", flags[i].name,
+                usb_log_debug2("\t%s status: %s.\n", flags[i].name,
                   value & flags[i].flag ? "YES" : "NO");
         }

uspace/drv/uhci-rhd/root_hub.c

@@ -53 +53 @@
         }
 
-        /* connect to the parent device (HC) */
-        rh->parent_phone = devman_device_connect(8, 0);
-        //usb_drv_hc_connect(rh, instance->hc_handle, 0);
-        if (rh->parent_phone < 0) {
-                usb_log_error("Failed to connect to the HC device.\n");
-                return rh->parent_phone;
-        }
-
         /* allow access to root hub registers */
         assert(sizeof(port_status_t) * UHCI_ROOT_HUB_PORT_COUNT == size);
@@ -75 +67 @@
         unsigned i = 0;
         for (; i < UHCI_ROOT_HUB_PORT_COUNT; ++i) {
+                /* connect to the parent device (HC) */
+                int parent_phone = devman_device_connect(instance->hc_handle, 0);
+                //usb_drv_hc_connect(rh, instance->hc_handle, 0);
+                if (parent_phone < 0) {
+                        usb_log_error("Failed to connect to the HC device port %d.\n", i);
+                        return parent_phone;
+                }
                 /* mind pointer arithmetics */
                 int ret = uhci_port_init(
-                  &instance->ports[i], regs + i, i, ROOT_HUB_WAIT_USEC, rh);
+                  &instance->ports[i], regs + i, i, ROOT_HUB_WAIT_USEC, rh, parent_phone);
                 if (ret != EOK) {
                         unsigned j = 0;