provide possibility for multi usb host

Author: LeeChunHei

components/drivers/include/drivers/usb_host.h

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2011-3-12     Yi Qiu      first version
+ * 2021-02-23     Leslie Lee  provide possibility for multi usb host
  */
 
 #ifndef __RT_USB_HOST_H__
@@ -136,7 +137,8 @@ struct uhcd
     struct rt_device parent;
     uhcd_ops_t ops;
     rt_uint8_t num_ports;
-    uhub_t roothub; 
+    uhub_t roothub;
+    struct rt_messagequeue *usb_mq;
 };
 typedef struct uhcd* uhcd_t;
 
@@ -163,7 +165,7 @@ struct uhost_msg
 typedef struct uhost_msg* uhost_msg_t;
 
 /* usb host system interface */
-rt_err_t rt_usb_host_init(void);
+rt_err_t rt_usb_host_init(const char *name);
 void rt_usbh_hub_init(struct uhcd *hcd);
 
 /* usb host core interface */
@@ -203,7 +205,7 @@ rt_err_t rt_usbh_hub_clear_port_feature(uhub_t uhub, rt_uint16_t port,
 rt_err_t rt_usbh_hub_set_port_feature(uhub_t uhub, rt_uint16_t port, 
     rt_uint16_t feature);
 rt_err_t rt_usbh_hub_reset_port(uhub_t uhub, rt_uint16_t port);
-rt_err_t rt_usbh_event_signal(struct uhost_msg* msg);
+rt_err_t rt_usbh_event_signal(uhcd_t uhcd, struct uhost_msg* msg);
 
 
 void rt_usbh_root_hub_connect_handler(struct uhcd *hcd, rt_uint8_t port, rt_bool_t isHS);
@@ -265,5 +267,3 @@ rt_inline int rt_usb_hcd_setup_xfer(uhcd_t hcd, upipe_t pipe, ureq_t setup, int
 #endif
 
 #endif
-
-

components/drivers/usb/usbhost/core/driver.c

@@ -6,13 +6,15 @@
  * Change Logs:
  * Date           Author       Notes
  * 2011-03-12     Yi Qiu      first version
+ * 2021-02-23     Leslie Lee  provide possibility for multi usb host
  */
 
 #include <rtthread.h>
 #include <rtservice.h>
 #include <drivers/usb_host.h>
 
 static rt_list_t _driver_list;
+static rt_bool_t _driver_list_created = RT_FALSE;
 
 /**
  * This function will initilize the usb class driver related data structure,
@@ -22,8 +24,11 @@ static rt_list_t _driver_list;
  */
 rt_err_t rt_usbh_class_driver_init(void)
 {
-    rt_list_init(&_driver_list);
-
+    if (_driver_list_created == RT_FALSE)
+    {
+        rt_list_init(&_driver_list);
+        _driver_list_created = RT_TRUE;
+    }
     return RT_EOK;    
 }
 
@@ -39,8 +44,11 @@ rt_err_t rt_usbh_class_driver_register(ucd_t drv)
 {
     if (drv == RT_NULL) return -RT_ERROR;
 
-    /* insert class driver into driver list */
-    rt_list_insert_after(&_driver_list, &(drv->list));
+    if (rt_usbh_class_driver_find(drv->class_code, drv->subclass_code) == RT_NULL)
+    {
+        /* insert class driver into driver list */
+        rt_list_insert_after(&_driver_list, &(drv->list));
+    }
 
     return RT_EOK;    
 }
@@ -136,5 +144,4 @@ ucd_t rt_usbh_class_driver_find(int class_code, int subclass_code)
 
     /* not found */
     return RT_NULL;
-}
-
+}

components/drivers/usb/usbhost/core/hub.c

@@ -6,16 +6,17 @@
  * Change Logs:
  * Date           Author       Notes
  * 2011-12-12     Yi Qiu      first version
+ * 2021-02-23     Leslie Lee  provide possibility for multi usb host
  */
 
 #include <rtthread.h>
 #include <drivers/usb_host.h>
 
 #define USB_THREAD_STACK_SIZE    4096
 
-static struct rt_messagequeue *usb_mq;
+// static struct rt_messagequeue *usb_mq;
 static struct uclass_driver hub_driver;
-static struct uhub root_hub;
+// static struct uhub root_hub;
 
 static rt_err_t root_hub_ctrl(struct uhcd *hcd, rt_uint16_t port, rt_uint8_t cmd, void *args)
 {
@@ -92,7 +93,7 @@ void rt_usbh_root_hub_connect_handler(struct uhcd *hcd, rt_uint8_t port, rt_bool
     {
         hcd->roothub->port_status[port - 1] |= PORT_LSDA;
     }
-    rt_usbh_event_signal(&msg);
+    rt_usbh_event_signal(hcd, &msg);
 }
 
 void rt_usbh_root_hub_disconnect_handler(struct uhcd *hcd, rt_uint8_t port)
@@ -102,7 +103,7 @@ void rt_usbh_root_hub_disconnect_handler(struct uhcd *hcd, rt_uint8_t port)
     msg.content.hub = hcd->roothub;
     hcd->roothub->port_status[port - 1] |= PORT_CCSC;
     hcd->roothub->port_status[port - 1] &= ~PORT_CCS;
-    rt_usbh_event_signal(&msg);
+    rt_usbh_event_signal(hcd, &msg);
 }
 
 /**
@@ -647,12 +648,13 @@ ucd_t rt_usbh_class_driver_hub(void)
  */
 static void rt_usbh_hub_thread_entry(void* parameter)
 {    
+    uhcd_t hcd = (uhcd_t)parameter;
     while(1)
     {    
         struct uhost_msg msg;
 
         /* receive message */
-        if(rt_mq_recv(usb_mq, &msg, sizeof(struct uhost_msg), RT_WAITING_FOREVER) 
+        if(rt_mq_recv(hcd->usb_mq, &msg, sizeof(struct uhost_msg), RT_WAITING_FOREVER) 
             != RT_EOK ) continue;
 
         //RT_DEBUG_LOG(RT_DEBUG_USB, ("msg type %d\n", msg.type));
@@ -679,12 +681,12 @@ static void rt_usbh_hub_thread_entry(void* parameter)
  * 
  * @return the error code, RT_EOK on successfully. 
  */
-rt_err_t rt_usbh_event_signal(struct uhost_msg* msg)
+rt_err_t rt_usbh_event_signal(uhcd_t hcd, struct uhost_msg* msg)
 {
     RT_ASSERT(msg != RT_NULL);
 
     /* send message to usb message queue */
-    rt_mq_send(usb_mq, (void*)msg, sizeof(struct uhost_msg));
+    rt_mq_send(hcd->usb_mq, (void*)msg, sizeof(struct uhost_msg));
 
     return RT_EOK;
 }
@@ -698,21 +700,21 @@ rt_err_t rt_usbh_event_signal(struct uhost_msg* msg)
 void rt_usbh_hub_init(uhcd_t hcd)
 {
     rt_thread_t thread;
-    /* link root hub to hcd */
-    root_hub.is_roothub = RT_TRUE;
-    hcd->roothub = &root_hub;
-    root_hub.hcd = hcd;
-    root_hub.num_ports = hcd->num_ports;
+    /* create root hub for hcd */
+    hcd->roothub = rt_malloc(sizeof(struct uhub));
+    rt_memset(hcd->roothub, 0, sizeof(struct uhub));
+    hcd->roothub->is_roothub = RT_TRUE;
+    hcd->roothub->hcd = hcd;
+    hcd->roothub->num_ports = hcd->num_ports;
     /* create usb message queue */
-    usb_mq = rt_mq_create("usbh", 32, 16, RT_IPC_FLAG_FIFO);
+    hcd->usb_mq = rt_mq_create(hcd->parent.parent.name, 32, 16, RT_IPC_FLAG_FIFO);
 
     /* create usb hub thread */
-    thread = rt_thread_create("usbh", rt_usbh_hub_thread_entry, RT_NULL, 
+    thread = rt_thread_create(hcd->parent.parent.name, rt_usbh_hub_thread_entry, hcd, 
         USB_THREAD_STACK_SIZE, 8, 20);
     if(thread != RT_NULL)
     {
         /* startup usb host thread */
         rt_thread_startup(thread);
     }
-}
-
+}

components/drivers/usb/usbhost/core/usbhost.c

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2011-12-12     Yi Qiu      first version
+ * 2021-02-23     Leslie Lee  provide possibility for multi usb host
  */
 #include <rtthread.h>
 #include <drivers/usb_host.h>
@@ -22,15 +23,15 @@
  * 
  * @return none.
  */
-rt_err_t rt_usb_host_init(void)
+rt_err_t rt_usb_host_init(const char *name)
 {
     ucd_t drv;
     rt_device_t uhc;    
 
-    uhc = rt_device_find(USB_HOST_CONTROLLER_NAME);
+    uhc = rt_device_find(name);
     if(uhc == RT_NULL)
     {
-        rt_kprintf("can't find usb host controller %s\n", USB_HOST_CONTROLLER_NAME);
+        rt_kprintf("can't find usb host controller %s\n", name);
         return -RT_ERROR;
     }
 
@@ -44,6 +45,16 @@ rt_err_t rt_usb_host_init(void)
     /* register mass storage class driver */
     drv = rt_usbh_class_driver_storage();
     rt_usbh_class_driver_register(drv);
+#endif
+#ifdef RT_USBH_HID
+    /* register mass storage class driver */
+    drv = rt_usbh_class_driver_hid();
+    rt_usbh_class_driver_register(drv);
+#ifdef RT_USBH_HID_MOUSE
+    uprotocal_t protocal;
+    protocal = rt_usbh_hid_protocal_mouse();
+    rt_usbh_hid_protocal_register(protocal);
+#endif
 #endif
 
     /* register hub class driver */
@@ -54,5 +65,4 @@ rt_err_t rt_usb_host_init(void)
     rt_device_init(uhc);
 
     return RT_EOK;
-}
-
+}