106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for some petalynx "special" devices
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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* Copyright (c) 2006-2007 Jiri Kosina
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* Copyright (c) 2008 Jiri Slaby
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*/
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/*
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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/* Petalynx Maxter Remote has maximum for consumer page set too low */
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static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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if (*rsize >= 62 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
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rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
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rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
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hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n");
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rdesc[60] = 0xfa;
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rdesc[40] = 0xfa;
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}
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return rdesc;
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}
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#define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
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EV_KEY, (c))
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static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) {
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switch (usage->hid & HID_USAGE) {
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case 0x05a: pl_map_key_clear(KEY_TEXT); break;
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case 0x05b: pl_map_key_clear(KEY_RED); break;
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case 0x05c: pl_map_key_clear(KEY_GREEN); break;
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case 0x05d: pl_map_key_clear(KEY_YELLOW); break;
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case 0x05e: pl_map_key_clear(KEY_BLUE); break;
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default:
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return 0;
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}
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return 1;
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}
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
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switch (usage->hid & HID_USAGE) {
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case 0x0f6: pl_map_key_clear(KEY_NEXT); break;
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case 0x0fa: pl_map_key_clear(KEY_BACK); break;
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default:
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return 0;
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}
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return 1;
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}
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return 0;
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}
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static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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int ret;
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hdev->quirks |= HID_QUIRK_NOGET;
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ret = hid_parse(hdev);
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if (ret) {
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hid_err(hdev, "parse failed\n");
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goto err_free;
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}
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ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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if (ret) {
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hid_err(hdev, "hw start failed\n");
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goto err_free;
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}
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return 0;
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err_free:
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return ret;
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}
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static const struct hid_device_id pl_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, pl_devices);
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static struct hid_driver pl_driver = {
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.name = "petalynx",
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.id_table = pl_devices,
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.report_fixup = pl_report_fixup,
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.input_mapping = pl_input_mapping,
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.probe = pl_probe,
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};
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module_hid_driver(pl_driver);
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MODULE_LICENSE("GPL");
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