From a198ce31917893ea8b3e87b2238fbc6f3b77347c Mon Sep 17 00:00:00 2001
From: aozima <wuyangyong@gmail.com>
Date: Sun, 17 Apr 2022 13:44:57 +0800
Subject: [PATCH] [AX88772C] add class driver.

---
 class/vendor/axusbnet.c | 99 +++++++++++++++++++++++++++++++++++++++++
 class/vendor/axusbnet.h | 25 +++++++++++
 2 files changed, 124 insertions(+)
 create mode 100644 class/vendor/axusbnet.c
 create mode 100644 class/vendor/axusbnet.h

diff --git a/class/vendor/axusbnet.c b/class/vendor/axusbnet.c
new file mode 100644
index 00000000..a57859bf
--- /dev/null
+++ b/class/vendor/axusbnet.c
@@ -0,0 +1,99 @@
+/*
+ * Change Logs
+ * Date           Author       Notes
+ * 2022-04-17     aozima       the first version for CherryUSB.
+ */
+
+#include <string.h>
+
+#include "usbh_core.h"
+#include "axusbnet.h"
+
+static const char *DEV_FORMAT = "/dev/u%d";
+
+static int usbh_axusbnet_connect(struct usbh_hubport *hport, uint8_t intf)
+{
+    int ret = 0;
+    struct usbh_endpoint_cfg ep_cfg = { 0 };
+    struct usb_endpoint_descriptor *ep_desc;
+
+    USB_LOG_INFO("%s %d\r\n", __FUNCTION__, __LINE__);
+
+    struct usbh_axusbnet *class = usb_malloc(sizeof(struct usbh_axusbnet));
+    if (class == NULL) 
+    {
+        USB_LOG_ERR("Fail to alloc class\r\n");
+        return -ENOMEM;
+    }
+    memset(class, 0, sizeof(struct usbh_axusbnet));
+    class->hport = hport;
+
+    class->intf = intf;
+
+    snprintf(hport->config.intf[intf].devname, CONFIG_USBHOST_DEV_NAMELEN, DEV_FORMAT, intf);
+    USB_LOG_INFO("Register axusbnet Class:%s\r\n", hport->config.intf[intf].devname);
+    hport->config.intf[intf].priv = class;
+
+#if 1
+    USB_LOG_INFO("hport=%p, intf=%d, intf_desc.bNumEndpoints:%d\r\n", hport, intf, hport->config.intf[intf].intf_desc.bNumEndpoints);
+    for (uint8_t i = 0; i < hport->config.intf[intf].intf_desc.bNumEndpoints; i++) 
+    {
+        ep_desc = &hport->config.intf[intf].ep[i].ep_desc;
+
+        USB_LOG_INFO("ep[%d] bLength=%d, type=%d\r\n", i, ep_desc->bLength, ep_desc->bDescriptorType);
+        USB_LOG_INFO("ep_addr=%02X, attr=%02X\r\n", ep_desc->bEndpointAddress, ep_desc->bmAttributes & USB_ENDPOINT_TYPE_MASK);
+        USB_LOG_INFO("wMaxPacketSize=%d, bInterval=%d\r\n\r\n", ep_desc->wMaxPacketSize, ep_desc->bInterval);
+    }
+#endif
+
+    for (uint8_t i = 0; i < hport->config.intf[intf].intf_desc.bNumEndpoints; i++) 
+    {
+        ep_desc = &hport->config.intf[intf].ep[i].ep_desc;
+
+        ep_cfg.ep_addr = ep_desc->bEndpointAddress;
+        ep_cfg.ep_type = ep_desc->bmAttributes & USB_ENDPOINT_TYPE_MASK;
+        ep_cfg.ep_mps = ep_desc->wMaxPacketSize;
+        ep_cfg.ep_interval = ep_desc->bInterval;
+        ep_cfg.hport = hport;
+
+        if(ep_cfg.ep_type == USB_ENDPOINT_TYPE_BULK)
+        {
+            if (ep_desc->bEndpointAddress & 0x80) {
+                usbh_ep_alloc(&class->bulkin, &ep_cfg);
+            } else {
+                usbh_ep_alloc(&class->bulkout, &ep_cfg);
+            }
+        }
+        else
+        {
+            usbh_ep_alloc(&class->int_notify, &ep_cfg);
+        }
+    }
+
+    return ret;
+}
+
+static int usbh_axusbnet_disconnect(struct usbh_hubport *hport, uint8_t intf)
+{
+    int ret = 0;
+
+    USB_LOG_ERR("TBD: %s %d\r\n", __FUNCTION__, __LINE__);
+    return ret;
+}
+
+// Class:0xff,Subclass:0xff,Protocl:0x00
+static const struct usbh_class_driver axusbnet_class_driver = {
+    .driver_name = "axusbnet",
+    .connect = usbh_axusbnet_connect,
+    .disconnect = usbh_axusbnet_disconnect
+};
+
+CLASS_INFO_DEFINE const struct usbh_class_info axusbnet_class_info = {
+    .match_flags = USB_CLASS_MATCH_VENDOR | USB_CLASS_MATCH_PRODUCT | USB_CLASS_MATCH_INTF_CLASS | USB_CLASS_MATCH_INTF_SUBCLASS | USB_CLASS_MATCH_INTF_PROTOCOL,
+    .class = USB_DEVICE_CLASS_VEND_SPECIFIC,
+    .subclass = 0xff,
+    .protocol = 0x00,
+    .vid = 0x0b95,
+    .pid = 0x772b,
+    .class_driver = &axusbnet_class_driver
+};
diff --git a/class/vendor/axusbnet.h b/class/vendor/axusbnet.h
new file mode 100644
index 00000000..7f00d77a
--- /dev/null
+++ b/class/vendor/axusbnet.h
@@ -0,0 +1,25 @@
+/*
+ * Change Logs
+ * Date           Author       Notes
+ * 2022-04-17     aozima       the first version for CherryUSB.
+ */
+
+#ifndef __USB_CLASHH_AXUSBNET_H__
+#define __USB_CLASHH_AXUSBNET_H__
+
+#include "usbh_core.h"
+#include "asix.h"
+
+struct usbh_axusbnet {
+    struct usbh_hubport *hport;
+
+    uint8_t intf; /* interface number */
+
+    usbh_epinfo_t int_notify; /* Notify endpoint */
+    usbh_epinfo_t bulkin;  /* Bulk IN endpoint */
+    usbh_epinfo_t bulkout; /* Bulk OUT endpoint */
+
+    uint32_t bulkin_buf[2048/sizeof(uint32_t)];
+};
+
+#endif /* __USB_CLASHH_AXUSBNET_H__ */