Panda Kernel Driver base in place. Detects device plug and remove.

driver/.gitignore

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+.*.cmd
+*.ko
+.tmp_versions
+Module.symvers
+modules.order
+*.mod.c

driver/Makefile

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+obj-m+=panda.o
+
+all:
+	make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) modules
+clean:
+	make -C /lib/modules/$(shell uname -r)/build/ M=$(PWD) clean

driver/panda.c

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+/**
+ * @file    panda.c
+ * @author  Jeddy Diamond Exum
+ * @date    16 June 2017
+ * @version 0.1
+ * @brief   Driver for the Comma.ai Panda CAN adapter to allow it to be controlled via
+ * the Linux SocketCAN interface.
+ * @see https://github.com/commaai/panda for the full project.
+ */
+
+#include <linux/can.h>
+#include <linux/can/dev.h>
+#include <linux/can/error.h>
+#include <linux/can/led.h>
+#include <linux/init.h>             // Macros used to mark up functions e.g., __init __exit
+#include <linux/module.h>           // Core header for loading LKMs into the kernel
+#include <linux/kernel.h>           // Contains types, macros, functions for the kernel
+#include <linux/usb.h>
+
+/* vendor and product id */
+#define PANDA_MODULE_NAME "panda"
+#define PANDA_VENDOR_ID 0XBBAA
+#define PANDA_PRODUCT_ID 0XDDCC
+
+static const struct usb_device_id panda_usb_table[] = {
+  { USB_DEVICE(PANDA_VENDOR_ID, PANDA_PRODUCT_ID) },
+  {} /* Terminating entry */
+};
+
+struct panda_priv {
+  unsigned int id;
+};
+
+unsigned int curr_id = 0;
+
+static int panda_usb_start(struct panda_priv *priv)
+{
+  return 0;
+}
+
+static int panda_usb_probe(struct usb_interface *intf,
+			  const struct usb_device_id *id)
+{
+  int err = -ENOMEM;
+  //struct usb_device *usbdev = interface_to_usbdev(intf);
+  struct panda_priv *priv = NULL;
+
+  /* Allocate space for device driver specific data */
+  priv = kzalloc(sizeof(struct panda_priv), GFP_KERNEL);
+  if (!priv)
+    return -ENOMEM;
+
+  priv->id = curr_id++;
+
+  usb_set_intfdata(intf, priv);
+
+  err = panda_usb_start(priv);
+  if (err) {
+    dev_info(&intf->dev, "Failed to initialize Comma.ai Panda CAN controller\n");
+    goto cleanup;
+  }
+
+  dev_info(&intf->dev, "Comma.ai Panda CAN controller connected (ID: %u)\n", priv->id);
+
+  return 0;
+
+ cleanup:
+  kfree(priv);
+  return err;
+}
+
+/* Called by the usb core when driver is unloaded or device is removed */
+static void panda_usb_disconnect(struct usb_interface *intf)
+{
+  struct panda_priv *priv = usb_get_intfdata(intf);
+
+  usb_set_intfdata(intf, NULL);
+
+  dev_info(&intf->dev, "Removed Comma.ai Panda CAN controller (ID: %u)\n", priv->id);
+
+  //netdev_info(priv->netdev, "device disconnected\n");
+  //
+  //unregister_candev(priv->netdev);
+  //free_candev(priv->netdev);
+  //
+  //mcba_urb_unlink(priv);
+  kfree(priv);
+}
+
+static struct usb_driver panda_usb_driver = {
+  .name = PANDA_MODULE_NAME,
+  .probe = panda_usb_probe,
+  .disconnect = panda_usb_disconnect,
+  .id_table = panda_usb_table,
+};
+
+module_usb_driver(panda_usb_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jessy Diamond Exum <jessy.diamondman@gmail.com>");
+MODULE_DESCRIPTION("SocketCAN driver for Comma.ai's Panda Adapter.");
+MODULE_VERSION("0.1");
+MODULE_DEVICE_TABLE(usb, panda_usb_table);