HID: nvidia-shield: Initial driver implementation with Thunderstrike support
Supports the Thunderstrike (SHIELD 2017) controller. Implements support for the Thunderstrike HOSTCMD firmware interface. Adds sysfs attributes about a SHIELD device and introduces haptics support for controllers. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Rahul Rameshbabu
Jiri Kosina
Родитель
fa56e0e44f
Коммит
09308562d4
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@ -9155,6 +9155,12 @@ L: linux-input@vger.kernel.org
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S: Maintained
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F: drivers/hid/hid-pxrc.c
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HID NVIDIA SHIELD DRIVER
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M: Rahul Rameshbabu <rrameshbabu@nvidia.com>
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L: linux-input@vger.kernel.org
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S: Maintained
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F: drivers/hid/hid-nvidia-shield.c
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HID PLAYSTATION DRIVER
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M: Roderick Colenbrander <roderick.colenbrander@sony.com>
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L: linux-input@vger.kernel.org
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@ -788,6 +788,24 @@ config HID_NTRIG
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help
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Support for N-Trig touch screen.
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config HID_NVIDIA_SHIELD
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tristate "NVIDIA SHIELD devices"
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depends on USB_HID
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depends on BT_HIDP
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help
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Support for NVIDIA SHIELD accessories.
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Supported devices:
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- Thunderstrike (NVIDIA SHIELD Controller 2017)
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config NVIDIA_SHIELD_FF
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bool "NVIDIA SHIELD force feedback support"
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depends on HID_NVIDIA_SHIELD
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select INPUT_FF_MEMLESS
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help
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Say Y here if you would like to enable force feedback support for
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NVIDIA SHIELD accessories with haptics capabilities.
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config HID_ORTEK
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tristate "Ortek PKB-1700/WKB-2000/Skycable wireless keyboard and mouse trackpad"
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help
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@ -87,6 +87,7 @@ obj-$(CONFIG_HID_MULTITOUCH) += hid-multitouch.o
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obj-$(CONFIG_HID_NINTENDO) += hid-nintendo.o
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obj-$(CONFIG_HID_NTI) += hid-nti.o
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obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
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obj-$(CONFIG_HID_NVIDIA_SHIELD) += hid-nvidia-shield.o
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obj-$(CONFIG_HID_ORTEK) += hid-ortek.o
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obj-$(CONFIG_HID_PRODIKEYS) += hid-prodikeys.o
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obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o
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@ -1005,6 +1005,9 @@
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#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18 0x0014
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#define USB_DEVICE_ID_NTRIG_DUOSENSE 0x1500
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#define USB_VENDOR_ID_NVIDIA 0x0955
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#define USB_DEVICE_ID_NVIDIA_THUNDERSTRIKE_CONTROLLER 0x7214
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#define USB_VENDOR_ID_ONTRAK 0x0a07
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#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
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@ -0,0 +1,587 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* HID driver for NVIDIA SHIELD peripherals.
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*/
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#include <linux/hid.h>
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#include <linux/input-event-codes.h>
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#include <linux/input.h>
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include <linux/workqueue.h>
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#include "hid-ids.h"
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#define NOT_INIT_STR "NOT INITIALIZED"
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enum {
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SHIELD_FW_VERSION_INITIALIZED = 0,
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SHIELD_BOARD_INFO_INITIALIZED,
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};
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enum {
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THUNDERSTRIKE_FW_VERSION_UPDATE = 0,
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THUNDERSTRIKE_BOARD_INFO_UPDATE,
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THUNDERSTRIKE_HAPTICS_UPDATE,
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};
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enum {
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THUNDERSTRIKE_HOSTCMD_REPORT_SIZE = 33,
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THUNDERSTRIKE_HOSTCMD_REQ_REPORT_ID = 0x4,
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THUNDERSTRIKE_HOSTCMD_RESP_REPORT_ID = 0x3,
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};
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enum {
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THUNDERSTRIKE_HOSTCMD_ID_FW_VERSION = 1,
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THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO = 16,
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THUNDERSTRIKE_HOSTCMD_ID_USB_INIT = 53,
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THUNDERSTRIKE_HOSTCMD_ID_HAPTICS = 57,
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THUNDERSTRIKE_HOSTCMD_ID_BLUETOOTH_INIT = 58,
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};
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struct thunderstrike_hostcmd_board_info {
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__le16 revision;
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__le16 serial[7];
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};
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struct thunderstrike_hostcmd_haptics {
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u8 motor_left;
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u8 motor_right;
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};
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struct thunderstrike_hostcmd_resp_report {
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u8 report_id; /* THUNDERSTRIKE_HOSTCMD_RESP_REPORT_ID */
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u8 cmd_id;
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u8 reserved_at_10;
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union {
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struct thunderstrike_hostcmd_board_info board_info;
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struct thunderstrike_hostcmd_haptics motors;
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__le16 fw_version;
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u8 payload[30];
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};
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} __packed;
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static_assert(sizeof(struct thunderstrike_hostcmd_resp_report) ==
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THUNDERSTRIKE_HOSTCMD_REPORT_SIZE);
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struct thunderstrike_hostcmd_req_report {
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u8 report_id; /* THUNDERSTRIKE_HOSTCMD_REQ_REPORT_ID */
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u8 cmd_id;
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u8 reserved_at_10;
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struct {
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u8 update;
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struct thunderstrike_hostcmd_haptics motors;
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} haptics;
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u8 reserved_at_30[27];
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} __packed;
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static_assert(sizeof(struct thunderstrike_hostcmd_req_report) ==
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THUNDERSTRIKE_HOSTCMD_REPORT_SIZE);
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/* Common struct for shield accessories. */
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struct shield_device {
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struct hid_device *hdev;
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unsigned long initialized_flags;
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const char *codename;
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u16 fw_version;
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struct {
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u16 revision;
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char serial_number[15];
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} board_info;
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};
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struct thunderstrike {
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struct shield_device base;
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/* Sub-devices */
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struct input_dev *haptics_dev;
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/* Resources */
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void *req_report_dmabuf;
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unsigned long update_flags;
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struct thunderstrike_hostcmd_haptics haptics_val;
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spinlock_t haptics_update_lock;
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struct work_struct hostcmd_req_work;
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};
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static inline void thunderstrike_hostcmd_req_report_init(
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struct thunderstrike_hostcmd_req_report *report, u8 cmd_id)
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{
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memset(report, 0, sizeof(*report));
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report->report_id = THUNDERSTRIKE_HOSTCMD_REQ_REPORT_ID;
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report->cmd_id = cmd_id;
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}
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static inline void shield_strrev(char *dest, size_t len, u16 rev)
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{
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dest[0] = ('A' - 1) + (rev >> 8);
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snprintf(&dest[1], len - 1, "%02X", 0xff & rev);
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}
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static struct input_dev *shield_allocate_input_dev(struct hid_device *hdev,
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const char *name_suffix)
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{
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struct input_dev *idev;
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idev = input_allocate_device();
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if (!idev)
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goto err_device;
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idev->id.bustype = hdev->bus;
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idev->id.vendor = hdev->vendor;
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idev->id.product = hdev->product;
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idev->id.version = hdev->version;
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idev->uniq = hdev->uniq;
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idev->name = devm_kasprintf(&idev->dev, GFP_KERNEL, "%s %s", hdev->name,
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name_suffix);
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if (!idev->name)
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goto err_name;
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input_set_drvdata(idev, hdev);
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return idev;
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err_name:
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input_free_device(idev);
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err_device:
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return ERR_PTR(-ENOMEM);
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}
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static struct input_dev *shield_haptics_create(
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struct shield_device *dev,
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int (*play_effect)(struct input_dev *, void *, struct ff_effect *))
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{
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struct input_dev *haptics;
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int ret;
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if (!IS_ENABLED(CONFIG_NVIDIA_SHIELD_FF))
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return NULL;
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haptics = shield_allocate_input_dev(dev->hdev, "Haptics");
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if (IS_ERR(haptics))
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return haptics;
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input_set_capability(haptics, EV_FF, FF_RUMBLE);
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input_ff_create_memless(haptics, NULL, play_effect);
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ret = input_register_device(haptics);
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if (ret)
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goto err;
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return haptics;
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err:
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input_free_device(haptics);
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return ERR_PTR(ret);
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}
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static inline void thunderstrike_send_hostcmd_request(struct thunderstrike *ts)
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{
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struct thunderstrike_hostcmd_req_report *report = ts->req_report_dmabuf;
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struct shield_device *shield_dev = &ts->base;
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int ret;
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ret = hid_hw_raw_request(shield_dev->hdev, report->report_id,
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ts->req_report_dmabuf,
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THUNDERSTRIKE_HOSTCMD_REPORT_SIZE,
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HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
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if (ret < 0) {
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hid_err(shield_dev->hdev,
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"Failed to output Thunderstrike HOSTCMD request HID report due to %pe\n",
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ERR_PTR(ret));
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}
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}
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static void thunderstrike_hostcmd_req_work_handler(struct work_struct *work)
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{
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struct thunderstrike *ts =
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container_of(work, struct thunderstrike, hostcmd_req_work);
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struct thunderstrike_hostcmd_req_report *report;
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unsigned long flags;
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report = ts->req_report_dmabuf;
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if (test_and_clear_bit(THUNDERSTRIKE_FW_VERSION_UPDATE, &ts->update_flags)) {
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thunderstrike_hostcmd_req_report_init(
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report, THUNDERSTRIKE_HOSTCMD_ID_FW_VERSION);
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thunderstrike_send_hostcmd_request(ts);
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}
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if (test_and_clear_bit(THUNDERSTRIKE_BOARD_INFO_UPDATE, &ts->update_flags)) {
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thunderstrike_hostcmd_req_report_init(
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report, THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO);
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thunderstrike_send_hostcmd_request(ts);
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}
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if (test_and_clear_bit(THUNDERSTRIKE_HAPTICS_UPDATE, &ts->update_flags)) {
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thunderstrike_hostcmd_req_report_init(
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report, THUNDERSTRIKE_HOSTCMD_ID_HAPTICS);
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report->haptics.update = 1;
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spin_lock_irqsave(&ts->haptics_update_lock, flags);
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report->haptics.motors = ts->haptics_val;
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spin_unlock_irqrestore(&ts->haptics_update_lock, flags);
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thunderstrike_send_hostcmd_request(ts);
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}
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}
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static inline void thunderstrike_request_firmware_version(struct thunderstrike *ts)
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{
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set_bit(THUNDERSTRIKE_FW_VERSION_UPDATE, &ts->update_flags);
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schedule_work(&ts->hostcmd_req_work);
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}
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static inline void thunderstrike_request_board_info(struct thunderstrike *ts)
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{
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set_bit(THUNDERSTRIKE_BOARD_INFO_UPDATE, &ts->update_flags);
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schedule_work(&ts->hostcmd_req_work);
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}
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static inline int
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thunderstrike_update_haptics(struct thunderstrike *ts,
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struct thunderstrike_hostcmd_haptics *motors)
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{
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unsigned long flags;
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spin_lock_irqsave(&ts->haptics_update_lock, flags);
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ts->haptics_val = *motors;
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spin_unlock_irqrestore(&ts->haptics_update_lock, flags);
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set_bit(THUNDERSTRIKE_HAPTICS_UPDATE, &ts->update_flags);
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schedule_work(&ts->hostcmd_req_work);
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return 0;
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}
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static int thunderstrike_play_effect(struct input_dev *idev, void *data,
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struct ff_effect *effect)
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{
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struct hid_device *hdev = input_get_drvdata(idev);
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struct thunderstrike_hostcmd_haptics motors;
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struct shield_device *shield_dev;
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struct thunderstrike *ts;
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if (effect->type != FF_RUMBLE)
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return 0;
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shield_dev = hid_get_drvdata(hdev);
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ts = container_of(shield_dev, struct thunderstrike, base);
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/* Thunderstrike motor values range from 0 to 32 inclusively */
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motors.motor_left = effect->u.rumble.strong_magnitude / 2047;
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motors.motor_right = effect->u.rumble.weak_magnitude / 2047;
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hid_dbg(hdev, "Thunderstrike FF_RUMBLE request, left: %u right: %u\n",
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motors.motor_left, motors.motor_right);
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return thunderstrike_update_haptics(ts, &motors);
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}
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static void
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thunderstrike_parse_fw_version_payload(struct shield_device *shield_dev,
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__le16 fw_version)
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{
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shield_dev->fw_version = le16_to_cpu(fw_version);
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set_bit(SHIELD_FW_VERSION_INITIALIZED, &shield_dev->initialized_flags);
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hid_dbg(shield_dev->hdev, "Thunderstrike firmware version 0x%04X\n",
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shield_dev->fw_version);
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}
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static void
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thunderstrike_parse_board_info_payload(struct shield_device *shield_dev,
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struct thunderstrike_hostcmd_board_info *board_info)
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{
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char board_revision_str[4];
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int i;
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shield_dev->board_info.revision = le16_to_cpu(board_info->revision);
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for (i = 0; i < 7; ++i) {
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u16 val = le16_to_cpu(board_info->serial[i]);
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shield_dev->board_info.serial_number[2 * i] = val & 0xFF;
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shield_dev->board_info.serial_number[2 * i + 1] = val >> 8;
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}
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shield_dev->board_info.serial_number[14] = '\0';
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set_bit(SHIELD_BOARD_INFO_INITIALIZED, &shield_dev->initialized_flags);
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shield_strrev(board_revision_str, 4, shield_dev->board_info.revision);
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hid_dbg(shield_dev->hdev,
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"Thunderstrike BOARD_REVISION_%s (0x%04X) S/N: %s\n",
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board_revision_str, shield_dev->board_info.revision,
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shield_dev->board_info.serial_number);
|
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}
|
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static inline void
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thunderstrike_parse_haptics_payload(struct shield_device *shield_dev,
|
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struct thunderstrike_hostcmd_haptics *haptics)
|
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{
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hid_dbg(shield_dev->hdev,
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"Thunderstrike haptics HOSTCMD response, left: %u right: %u\n",
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haptics->motor_left, haptics->motor_right);
|
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}
|
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|
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static int thunderstrike_parse_report(struct shield_device *shield_dev,
|
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struct hid_report *report, u8 *data,
|
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int size)
|
||||
{
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struct thunderstrike_hostcmd_resp_report *hostcmd_resp_report;
|
||||
struct thunderstrike *ts =
|
||||
container_of(shield_dev, struct thunderstrike, base);
|
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struct hid_device *hdev = shield_dev->hdev;
|
||||
|
||||
switch (report->id) {
|
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case THUNDERSTRIKE_HOSTCMD_RESP_REPORT_ID:
|
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if (size != THUNDERSTRIKE_HOSTCMD_REPORT_SIZE) {
|
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hid_err(hdev,
|
||||
"Encountered Thunderstrike HOSTCMD HID report with unexpected size %d\n",
|
||||
size);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
hostcmd_resp_report =
|
||||
(struct thunderstrike_hostcmd_resp_report *)data;
|
||||
|
||||
switch (hostcmd_resp_report->cmd_id) {
|
||||
case THUNDERSTRIKE_HOSTCMD_ID_FW_VERSION:
|
||||
thunderstrike_parse_fw_version_payload(
|
||||
shield_dev, hostcmd_resp_report->fw_version);
|
||||
break;
|
||||
case THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO:
|
||||
thunderstrike_parse_board_info_payload(
|
||||
shield_dev, &hostcmd_resp_report->board_info);
|
||||
break;
|
||||
case THUNDERSTRIKE_HOSTCMD_ID_HAPTICS:
|
||||
thunderstrike_parse_haptics_payload(
|
||||
shield_dev, &hostcmd_resp_report->motors);
|
||||
break;
|
||||
|
||||
case THUNDERSTRIKE_HOSTCMD_ID_USB_INIT:
|
||||
case THUNDERSTRIKE_HOSTCMD_ID_BLUETOOTH_INIT:
|
||||
/* May block HOSTCMD requests till received initially */
|
||||
thunderstrike_request_firmware_version(ts);
|
||||
thunderstrike_request_board_info(ts);
|
||||
/* Only HOSTCMD that can be triggered without a request */
|
||||
return 0;
|
||||
default:
|
||||
hid_warn(hdev,
|
||||
"Unhandled Thunderstrike HOSTCMD id %d\n",
|
||||
hostcmd_resp_report->cmd_id);
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct shield_device *thunderstrike_create(struct hid_device *hdev)
|
||||
{
|
||||
struct shield_device *shield_dev;
|
||||
struct thunderstrike *ts;
|
||||
|
||||
ts = devm_kzalloc(&hdev->dev, sizeof(*ts), GFP_KERNEL);
|
||||
if (!ts)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
|
||||
ts->req_report_dmabuf = devm_kzalloc(
|
||||
&hdev->dev, THUNDERSTRIKE_HOSTCMD_REPORT_SIZE, GFP_KERNEL);
|
||||
if (!ts->req_report_dmabuf)
|
||||
return ERR_PTR(-ENOMEM);
|
||||
|
||||
shield_dev = &ts->base;
|
||||
shield_dev->hdev = hdev;
|
||||
shield_dev->codename = "Thunderstrike";
|
||||
|
||||
spin_lock_init(&ts->haptics_update_lock);
|
||||
INIT_WORK(&ts->hostcmd_req_work, thunderstrike_hostcmd_req_work_handler);
|
||||
|
||||
hid_set_drvdata(hdev, shield_dev);
|
||||
|
||||
ts->haptics_dev = shield_haptics_create(shield_dev, thunderstrike_play_effect);
|
||||
if (IS_ERR(ts->haptics_dev))
|
||||
return ERR_CAST(ts->haptics_dev);
|
||||
|
||||
hid_info(hdev, "Registered Thunderstrike controller\n");
|
||||
return shield_dev;
|
||||
}
|
||||
|
||||
static ssize_t firmware_version_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct hid_device *hdev = to_hid_device(dev);
|
||||
struct shield_device *shield_dev;
|
||||
int ret;
|
||||
|
||||
shield_dev = hid_get_drvdata(hdev);
|
||||
|
||||
if (test_bit(SHIELD_FW_VERSION_INITIALIZED, &shield_dev->initialized_flags))
|
||||
ret = sysfs_emit(buf, "0x%04X\n", shield_dev->fw_version);
|
||||
else
|
||||
ret = sysfs_emit(buf, NOT_INIT_STR "\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static DEVICE_ATTR_RO(firmware_version);
|
||||
|
||||
static ssize_t hardware_version_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct hid_device *hdev = to_hid_device(dev);
|
||||
struct shield_device *shield_dev;
|
||||
char board_revision_str[4];
|
||||
int ret;
|
||||
|
||||
shield_dev = hid_get_drvdata(hdev);
|
||||
|
||||
if (test_bit(SHIELD_BOARD_INFO_INITIALIZED, &shield_dev->initialized_flags)) {
|
||||
shield_strrev(board_revision_str, 4, shield_dev->board_info.revision);
|
||||
ret = sysfs_emit(buf, "%s BOARD_REVISION_%s (0x%04X)\n",
|
||||
shield_dev->codename, board_revision_str,
|
||||
shield_dev->board_info.revision);
|
||||
} else
|
||||
ret = sysfs_emit(buf, NOT_INIT_STR "\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static DEVICE_ATTR_RO(hardware_version);
|
||||
|
||||
static ssize_t serial_number_show(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct hid_device *hdev = to_hid_device(dev);
|
||||
struct shield_device *shield_dev;
|
||||
int ret;
|
||||
|
||||
shield_dev = hid_get_drvdata(hdev);
|
||||
|
||||
if (test_bit(SHIELD_BOARD_INFO_INITIALIZED, &shield_dev->initialized_flags))
|
||||
ret = sysfs_emit(buf, "%s\n", shield_dev->board_info.serial_number);
|
||||
else
|
||||
ret = sysfs_emit(buf, NOT_INIT_STR "\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static DEVICE_ATTR_RO(serial_number);
|
||||
|
||||
static struct attribute *shield_device_attrs[] = {
|
||||
&dev_attr_firmware_version.attr,
|
||||
&dev_attr_hardware_version.attr,
|
||||
&dev_attr_serial_number.attr,
|
||||
NULL,
|
||||
};
|
||||
ATTRIBUTE_GROUPS(shield_device);
|
||||
|
||||
static int shield_raw_event(struct hid_device *hdev, struct hid_report *report,
|
||||
u8 *data, int size)
|
||||
{
|
||||
struct shield_device *dev = hid_get_drvdata(hdev);
|
||||
|
||||
return thunderstrike_parse_report(dev, report, data, size);
|
||||
}
|
||||
|
||||
static int shield_probe(struct hid_device *hdev, const struct hid_device_id *id)
|
||||
{
|
||||
struct shield_device *shield_dev = NULL;
|
||||
struct thunderstrike *ts;
|
||||
int ret;
|
||||
|
||||
ret = hid_parse(hdev);
|
||||
if (ret) {
|
||||
hid_err(hdev, "Parse failed\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
switch (id->product) {
|
||||
case USB_DEVICE_ID_NVIDIA_THUNDERSTRIKE_CONTROLLER:
|
||||
shield_dev = thunderstrike_create(hdev);
|
||||
break;
|
||||
}
|
||||
|
||||
if (unlikely(!shield_dev)) {
|
||||
hid_err(hdev, "Failed to identify SHIELD device\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
if (IS_ERR(shield_dev)) {
|
||||
hid_err(hdev, "Failed to create SHIELD device\n");
|
||||
return PTR_ERR(shield_dev);
|
||||
}
|
||||
|
||||
ts = container_of(shield_dev, struct thunderstrike, base);
|
||||
|
||||
ret = hid_hw_start(hdev, HID_CONNECT_HIDINPUT);
|
||||
if (ret) {
|
||||
hid_err(hdev, "Failed to start HID device\n");
|
||||
goto err_haptics;
|
||||
}
|
||||
|
||||
ret = hid_hw_open(hdev);
|
||||
if (ret) {
|
||||
hid_err(hdev, "Failed to open HID device\n");
|
||||
goto err_stop;
|
||||
}
|
||||
|
||||
thunderstrike_request_firmware_version(ts);
|
||||
thunderstrike_request_board_info(ts);
|
||||
|
||||
return ret;
|
||||
|
||||
err_stop:
|
||||
hid_hw_stop(hdev);
|
||||
err_haptics:
|
||||
if (ts->haptics_dev)
|
||||
input_unregister_device(ts->haptics_dev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void shield_remove(struct hid_device *hdev)
|
||||
{
|
||||
struct shield_device *dev = hid_get_drvdata(hdev);
|
||||
struct thunderstrike *ts;
|
||||
|
||||
ts = container_of(dev, struct thunderstrike, base);
|
||||
|
||||
hid_hw_close(hdev);
|
||||
if (ts->haptics_dev)
|
||||
input_unregister_device(ts->haptics_dev);
|
||||
cancel_work_sync(&ts->hostcmd_req_work);
|
||||
hid_hw_stop(hdev);
|
||||
}
|
||||
|
||||
static const struct hid_device_id shield_devices[] = {
|
||||
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NVIDIA,
|
||||
USB_DEVICE_ID_NVIDIA_THUNDERSTRIKE_CONTROLLER) },
|
||||
{ HID_USB_DEVICE(USB_VENDOR_ID_NVIDIA,
|
||||
USB_DEVICE_ID_NVIDIA_THUNDERSTRIKE_CONTROLLER) },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(hid, shield_devices);
|
||||
|
||||
static struct hid_driver shield_driver = {
|
||||
.name = "shield",
|
||||
.id_table = shield_devices,
|
||||
.probe = shield_probe,
|
||||
.remove = shield_remove,
|
||||
.raw_event = shield_raw_event,
|
||||
.driver = {
|
||||
.dev_groups = shield_device_groups,
|
||||
},
|
||||
};
|
||||
module_hid_driver(shield_driver);
|
||||
|
||||
MODULE_AUTHOR("Rahul Rameshbabu <rrameshbabu@nvidia.com>");
|
||||
MODULE_DESCRIPTION("HID Driver for NVIDIA SHIELD peripherals.");
|
||||
MODULE_LICENSE("GPL");
|
||||
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