Define a new structure that contains simple haptic device configuration
as well as current state.
Signed-off-by: Angela Czubak <acz@xxxxxxxxxxxx>
---
drivers/hid/Kconfig | 4 +++
drivers/hid/Makefile | 1 +
drivers/hid/hid-haptic.c | 10 ++++++
drivers/hid/hid-haptic.h | 68 ++++++++++++++++++++++++++++++++++++++++
4 files changed, 83 insertions(+)
create mode 100644 drivers/hid/hid-haptic.c
create mode 100644 drivers/hid/hid-haptic.h
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index a7c78ac96270..8d1eb4491a7f 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -89,6 +89,10 @@ config HID_GENERIC
If unsure, say Y.
+config HID_HAPTIC
+ bool
+ default n
+
menu "Special HID drivers"
depends on HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 55a6fa3eca5a..65d54ccd4574 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -4,6 +4,7 @@
#
hid-y := hid-core.o hid-input.o hid-quirks.o
hid-$(CONFIG_DEBUG_FS) += hid-debug.o
+hid-$(CONFIG_HID_HAPTIC) += hid-haptic.o
obj-$(CONFIG_HID) += hid.o
obj-$(CONFIG_UHID) += uhid.o
diff --git a/drivers/hid/hid-haptic.c b/drivers/hid/hid-haptic.c
new file mode 100644
index 000000000000..0910d8af9f38
--- /dev/null
+++ b/drivers/hid/hid-haptic.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HID Haptic support for Linux
+ *
+ * Copyright (c) 2021 Angela Czubak
+ */
+
+/*
+ */
+#include "hid-haptic.h"
diff --git a/drivers/hid/hid-haptic.h b/drivers/hid/hid-haptic.h
new file mode 100644
index 000000000000..41f19cd22f75
--- /dev/null
+++ b/drivers/hid/hid-haptic.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * HID Haptic support for Linux
+ *
+ * Copyright (c) 2021 Angela Czubak
+ */
+
+/*
+ */
+
+
+#include <linux/hid.h>
+
+#define HID_HAPTIC_ORDINAL_WAVEFORMNONE 1
+#define HID_HAPTIC_ORDINAL_WAVEFORMSTOP 2
+
+#define HID_HAPTIC_PRESS_THRESH 200
+#define HID_HAPTIC_RELEASE_THRESH 180
+
+#define HID_HAPTIC_MODE_DEVICE 0
+#define HID_HAPTIC_MODE_KERNEL 1
+
+struct hid_haptic_effect {
+ __u8 *report_buf;
+ struct input_dev *input_dev;
+ struct work_struct work;
+ struct list_head control;
+ struct mutex control_mutex;
+};
+
+struct hid_haptic_effect_node {
+ struct list_head node;
+ struct file *file;
+};
+
+struct hid_haptic_device {
+ struct input_dev *input_dev;
+ struct hid_device *hdev;
+ struct hid_report *auto_trigger_report;
+ struct mutex auto_trigger_mutex;
+ struct workqueue_struct *wq;
+ struct hid_report *manual_trigger_report;
+ struct mutex manual_trigger_mutex;
+ size_t manual_trigger_report_len;
+ int pressed_state;
+ __s32 pressure_sum;
+ __s32 force_logical_minimum;
+ __s32 force_physical_minimum;
+ __s32 force_resolution;
+ __u32 press_threshold;
+ __u32 release_threshold;
+ __u32 mode;
+ __u32 default_auto_trigger;
+ __u32 vendor_page;
+ __u32 vendor_id;
+ __u32 max_waveform_id;
+ __u32 max_duration_id;
+ __u16 *hid_usage_map;
+ __u32 *duration_map;
+ __u16 press_ordinal_orig;
+ __u16 press_ordinal_cur;
+ __u16 release_ordinal_orig;
+ __u16 release_ordinal_cur;
+#define HID_HAPTIC_RELEASE_EFFECT_ID 0
+#define HID_HAPTIC_PRESS_EFFECT_ID 1
+ struct hid_haptic_effect *effect;
+ struct hid_haptic_effect stop_effect;
+};
--
2.34.1.307.g9b7440fafd-goog
