// SPDX-License-Identifier: GPL-2.0-only /* * keyspan_remote: USB driver for the Keyspan DMR * * Copyright (C) 2005 Zymeta Corporation - Michael Downey ([email protected]) * * This driver has been put together with the support of Innosys, Inc. * and Keyspan, Inc the manufacturers of the Keyspan USB DMR product. */ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/usb/input.h> /* Parameters that can be passed to the driver. */ static int debug; module_param(debug, int, 0444); MODULE_PARM_DESC(…) …; /* Vendor and product ids */ #define USB_KEYSPAN_VENDOR_ID … #define USB_KEYSPAN_PRODUCT_UIA11 … /* Defines for converting the data from the remote. */ #define ZERO … #define ZERO_MASK … #define ONE … #define ONE_MASK … #define SYNC … #define SYNC_MASK … #define STOP … #define STOP_MASK … #define GAP … #define RECV_SIZE … /* * Table that maps the 31 possible keycodes to input keys. * Currently there are 15 and 17 button models so RESERVED codes * are blank areas in the mapping. */ static const unsigned short keyspan_key_table[] = …; /* table of devices that work with this driver */ static const struct usb_device_id keyspan_table[] = …; /* Structure to store all the real stuff that a remote sends to us. */ struct keyspan_message { … }; /* Structure used for all the bit testing magic needed to be done. */ struct bit_tester { … }; /* Structure to hold all of our driver specific stuff */ struct usb_keyspan { … }; static struct usb_driver keyspan_driver; /* * Debug routine that prints out what we've received from the remote. */ static void keyspan_print(struct usb_keyspan* dev) /*unsigned char* data)*/ { … } /* * Routine that manages the bit_tester structure. It makes sure that there are * at least bits_needed bits loaded into the tester. */ static int keyspan_load_tester(struct usb_keyspan* dev, int bits_needed) { … } static void keyspan_report_button(struct usb_keyspan *remote, int button, int press) { … } /* * Routine that handles all the logic needed to parse out the message from the remote. */ static void keyspan_check_data(struct usb_keyspan *remote) { … } /* * Routine for sending all the initialization messages to the remote. */ static int keyspan_setup(struct usb_device* dev) { … } /* * Routine used to handle a new message that has come in. */ static void keyspan_irq_recv(struct urb *urb) { … } static int keyspan_open(struct input_dev *dev) { … } static void keyspan_close(struct input_dev *dev) { … } static struct usb_endpoint_descriptor *keyspan_get_in_endpoint(struct usb_host_interface *iface) { … } /* * Routine that sets up the driver to handle a specific USB device detected on the bus. */ static int keyspan_probe(struct usb_interface *interface, const struct usb_device_id *id) { … } /* * Routine called when a device is disconnected from the USB. */ static void keyspan_disconnect(struct usb_interface *interface) { … } /* * Standard driver set up sections */ static struct usb_driver keyspan_driver = …; module_usb_driver(…) …; MODULE_DEVICE_TABLE(usb, keyspan_table); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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