diff options
| -rw-r--r-- | drivers/hid/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/hid/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-core.c | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-ids.h | 3 | ||||
| -rw-r--r-- | drivers/hid/hid-nvidia.c | 83 |
5 files changed, 98 insertions, 0 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index fb52f3f6de80..0f0f885f471a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -454,6 +454,16 @@ config HID_NTRIG ---help--- Support for N-Trig touch screen. +config HID_NVIDIA + tristate "NVIDIA game controller" + depends on USB_HID + ---help--- + Support for NVIDIA game controllers. To improve gaming experience, NVIDIA controller + has customized axis flat and fuzz values. + Supported devices: + + - NVIDIA Shield Handheld game console. + config HID_ORTEK tristate "Ortek PKB-1700/WKB-2000/Skycable wireless keyboard and mouse trackpad" depends on HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 2065694f57ab..4d1cce738bcc 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -117,6 +117,7 @@ obj-$(CONFIG_HID_WACOM) += hid-wacom.o obj-$(CONFIG_HID_WALTOP) += hid-waltop.o obj-$(CONFIG_HID_WIIMOTE) += hid-wiimote.o obj-$(CONFIG_HID_SENSOR_HUB) += hid-sensor-hub.o +obj-$(CONFIG_HID_NVIDIA) += hid-nvidia.o obj-$(CONFIG_USB_HID) += usbhid/ obj-$(CONFIG_USB_MOUSE) += usbhid/ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e04bf0ef93a9..e89a54cbfbb0 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1745,6 +1745,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, + { HID_USB_DEVICE(USB_VENDOR_ID_NVIDIA, USB_DEVICE_ID_NVIDIA_LOKI) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 114fd1661834..be4eb9cb7de9 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -648,6 +648,9 @@ #define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18 0x0014 #define USB_DEVICE_ID_NTRIG_DUOSENSE 0x1500 +#define USB_VENDOR_ID_NVIDIA 0x0955 +#define USB_DEVICE_ID_NVIDIA_LOKI 0x7205 + #define USB_VENDOR_ID_ONTRAK 0x0a07 #define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 diff --git a/drivers/hid/hid-nvidia.c b/drivers/hid/hid-nvidia.c new file mode 100644 index 000000000000..29a4ae2a4a16 --- /dev/null +++ b/drivers/hid/hid-nvidia.c @@ -0,0 +1,83 @@ +/* + * HID driver for NVIDIA Shield Joystick + * + * Copyright (c) 2013, NVIDIA Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/kernel.h> + +#include "hid-ids.h" + +#define JOYSTICK_FUZZ 64 +#define TRIGGER_FUZZ 64 +#define JOYSTICK_FLAT 64 +#define TRIGGER_FLAT 0 + +static int nvidia_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + int a = field->logical_minimum; + int b = field->logical_maximum; + int fuzz; + int flat; + + if ((usage->type == EV_ABS) && (field->application == HID_GD_GAMEPAD + || field->application == HID_GD_JOYSTICK)) { + switch (usage->hid) { + case HID_GD_X: + case HID_GD_Y: + case HID_GD_RX: + case HID_GD_RY: + fuzz = JOYSTICK_FUZZ; + flat = JOYSTICK_FLAT; + break; + case HID_GD_Z: + case HID_GD_RZ: + fuzz = TRIGGER_FUZZ; + flat = TRIGGER_FLAT; + break; + default: return 0;/*Use generic mapping for HatX, HatY*/ + } + set_bit(usage->type, hi->input->evbit); + set_bit(usage->code, *bit); + input_set_abs_params(hi->input, usage->code, a, b, fuzz, flat); + input_abs_set_res(hi->input, usage->code, + hidinput_calc_abs_res(field, usage->code)); + return -1; + } + + return 0; +} + +static const struct hid_device_id nvidia_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_NVIDIA, USB_DEVICE_ID_NVIDIA_LOKI) }, + { } +}; +MODULE_DEVICE_TABLE(hid, loki_devices); + +static struct hid_driver nvidia_driver = { + .name = "hid-nvidia", + .id_table = nvidia_devices, + .input_mapped = nvidia_input_mapped, +}; +module_hid_driver(nvidia_driver); + +MODULE_AUTHOR("Jun Yan <juyan@nvidia.com>"); +MODULE_LICENSE("GPL"); |