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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

Browse source 
Pull HID updates from Jiri Kosina:

 - touch_max detection improvements and quirk handling fixes in wacom
   driver from Jason Gerecke and Ping Cheng

 - Palm rejection from Dmitry Torokhov and _dial support from Benjamin
   Tissoires for hid-multitouch driver

 - Low voltage support for i2c-hid driver from Stephen Boyd

 - Guitar-Hero support from Nicolas Adenis-Lamarre

 - other assorted small fixes and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (40 commits)
  HID: intel_ish-hid: tx_buf memory leak on probe/remove
  HID: intel-ish-hid: Prevent loading of driver on Mehlow
  HID: cougar: Add support for the Cougar 500k Gaming Keyboard
  HID: cougar: make compare_device_paths reusable
  HID: intel-ish-hid: remove redundant variable num_frags
  HID: multitouch: handle palm for touchscreens
  HID: multitouch: touchscreens also use confidence reports
  HID: multitouch: report MT_TOOL_PALM for non-confident touches
  HID: microsoft: support the Surface Dial
  HID: core: do not upper bound the collection stack
  HID: input: enable Totem on the Dell Canvas 27
  HID: multitouch: remove one copy of values
  HID: multitouch: ditch mt_report_id
  HID: multitouch: store a per application quirks value
  HID: multitouch: Store per collection multitouch data
  HID: multitouch: make sure the static list of class is not changed
  input: add MT_TOOL_DIAL
  HID: elan: Add support for touchpad on the Toshiba Click Mini L9W
  HID: elan: Add USB-id for HP x2 10-n000nd touchpad
  HID: elan: Add a flag for selecting if the touchpad has a LED
  ...
This commit is contained in:
Linus Torvalds 2018-08-20 15:59:01 -07:00
commit 7a324b3f05
27 changed files with 1828 additions and 752 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
Documentation/devicetree/bindings/input/hid-over-i2c.txt
View file

@ -25,7 +25,8 @@ device-specific compatible properties, which should be used in addition to the
- compatible:
* "wacom,w9013" (Wacom W9013 digitizer). Supports:
- vdd-supply
- vdd-supply (3.3V)
- vddl-supply (1.8V)
- post-power-on-delay-ms
- vdd-supply: phandle of the regulator that provides the supply voltage.

12
Documentation/input/multi-touch-protocol.rst
View file

@ -310,12 +310,12 @@ ABS_MT_TOOL_Y
ABS_MT_TOOL_TYPE
The type of approaching tool. A lot of kernel drivers cannot distinguish
between different tool types, such as a finger or a pen. In such cases, the
event should be omitted. The protocol currently supports MT_TOOL_FINGER,
MT_TOOL_PEN, and MT_TOOL_PALM [#f2]_. For type B devices, this event is
handled by input core; drivers should instead use
input_mt_report_slot_state(). A contact's ABS_MT_TOOL_TYPE may change over
time while still touching the device, because the firmware may not be able
to determine which tool is being used when it first appears.
event should be omitted. The protocol currently mainly supports
MT_TOOL_FINGER, MT_TOOL_PEN, and MT_TOOL_PALM [#f2]_.
For type B devices, this event is handled by input core; drivers should
instead use input_mt_report_slot_state(). A contact's ABS_MT_TOOL_TYPE may
change over time while still touching the device, because the firmware may
not be able to determine which tool is being used when it first appears.
ABS_MT_BLOB_ID
The BLOB_ID groups several packets together into one arbitrarily shaped

10
drivers/hid/Kconfig
View file

@ -207,6 +207,16 @@ config HID_CORSAIR
- Vengeance K90
- Scimitar PRO RGB
config HID_COUGAR
tristate "Cougar devices"
depends on HID
help
Support for Cougar devices that are not fully compliant with the
HID standard.
Supported devices:
- Cougar 500k Gaming Keyboard
config HID_PRODIKEYS
tristate "Prodikeys PC-MIDI Keyboard support"
depends on HID && SND

1
drivers/hid/Makefile
View file

@ -35,6 +35,7 @@ obj-$(CONFIG_HID_CHERRY) += hid-cherry.o
obj-$(CONFIG_HID_CHICONY) += hid-chicony.o
obj-$(CONFIG_HID_CMEDIA) += hid-cmedia.o
obj-$(CONFIG_HID_CORSAIR) += hid-corsair.o
obj-$(CONFIG_HID_COUGAR) += hid-cougar.o
obj-$(CONFIG_HID_CP2112) += hid-cp2112.o
obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o
obj-$(CONFIG_HID_DRAGONRISE) += hid-dr.o

40
drivers/hid/hid-core.c
View file

@ -128,9 +128,19 @@ static int open_collection(struct hid_parser *parser, unsigned type)
usage = parser->local.usage[0];
if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
hid_err(parser->device, "collection stack overflow\n");
return -EINVAL;
if (parser->collection_stack_ptr == parser->collection_stack_size) {
unsigned int *collection_stack;
unsigned int new_size = parser->collection_stack_size +
HID_COLLECTION_STACK_SIZE;
collection_stack = krealloc(parser->collection_stack,
new_size * sizeof(unsigned int),
GFP_KERNEL);
if (!collection_stack)
return -ENOMEM;
parser->collection_stack = collection_stack;
parser->collection_stack_size = new_size;
}
if (parser->device->maxcollection == parser->device->collection_size) {
@ -840,6 +850,7 @@ static int hid_scan_report(struct hid_device *hid)
break;
}
kfree(parser->collection_stack);
vfree(parser);
return 0;
}
@ -1939,6 +1950,29 @@ static int hid_bus_match(struct device *dev, struct device_driver *drv)
return hid_match_device(hdev, hdrv) != NULL;
}
/**
* hid_compare_device_paths - check if both devices share the same path
* @hdev_a: hid device
* @hdev_b: hid device
* @separator: char to use as separator
*
* Check if two devices share the same path up to the last occurrence of
* the separator char. Both paths must exist (i.e., zero-length paths
* don't match).
*/
bool hid_compare_device_paths(struct hid_device *hdev_a,
struct hid_device *hdev_b, char separator)
{
int n1 = strrchr(hdev_a->phys, separator) - hdev_a->phys;
int n2 = strrchr(hdev_b->phys, separator) - hdev_b->phys;
if (n1 != n2 || n1 <= 0 || n2 <= 0)
return false;
return !strncmp(hdev_a->phys, hdev_b->phys, n1);
}
EXPORT_SYMBOL_GPL(hid_compare_device_paths);
static int hid_device_probe(struct device *dev)
{
struct hid_driver *hdrv = to_hid_driver(dev->driver);

312
drivers/hid/hid-cougar.c Normal file
View file

@ -0,0 +1,312 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* HID driver for Cougar 500k Gaming Keyboard
*
* Copyright (c) 2018 Daniel M. Lambea <dmlambea@gmail.com>
*/
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
MODULE_AUTHOR("Daniel M. Lambea <dmlambea@gmail.com>");
MODULE_DESCRIPTION("Cougar 500k Gaming Keyboard");
MODULE_LICENSE("GPL");
MODULE_INFO(key_mappings, "G1-G6 are mapped to F13-F18");
static int cougar_g6_is_space = 1;
module_param_named(g6_is_space, cougar_g6_is_space, int, 0600);
MODULE_PARM_DESC(g6_is_space,
"If set, G6 programmable key sends SPACE instead of F18 (0=off, 1=on) (default=1)");
#define COUGAR_VENDOR_USAGE 0xff00ff00
#define COUGAR_FIELD_CODE 1
#define COUGAR_FIELD_ACTION 2
#define COUGAR_KEY_G1 0x83
#define COUGAR_KEY_G2 0x84
#define COUGAR_KEY_G3 0x85
#define COUGAR_KEY_G4 0x86
#define COUGAR_KEY_G5 0x87
#define COUGAR_KEY_G6 0x78
#define COUGAR_KEY_FN 0x0d
#define COUGAR_KEY_MR 0x6f
#define COUGAR_KEY_M1 0x80
#define COUGAR_KEY_M2 0x81
#define COUGAR_KEY_M3 0x82
#define COUGAR_KEY_LEDS 0x67
#define COUGAR_KEY_LOCK 0x6e
/* Default key mappings. The special key COUGAR_KEY_G6 is defined first
* because it is more frequent to use the spacebar rather than any other
* special keys. Depending on the value of the parameter 'g6_is_space',
* the mapping will be updated in the probe function.
*/
static unsigned char cougar_mapping[][2] = {
{ COUGAR_KEY_G6, KEY_SPACE },
{ COUGAR_KEY_G1, KEY_F13 },
{ COUGAR_KEY_G2, KEY_F14 },
{ COUGAR_KEY_G3, KEY_F15 },
{ COUGAR_KEY_G4, KEY_F16 },
{ COUGAR_KEY_G5, KEY_F17 },
{ COUGAR_KEY_LOCK, KEY_SCREENLOCK },
/* The following keys are handled by the hardware itself, so no special
* treatment is required:
{ COUGAR_KEY_FN, KEY_RESERVED },
{ COUGAR_KEY_MR, KEY_RESERVED },
{ COUGAR_KEY_M1, KEY_RESERVED },
{ COUGAR_KEY_M2, KEY_RESERVED },
{ COUGAR_KEY_M3, KEY_RESERVED },
{ COUGAR_KEY_LEDS, KEY_RESERVED },
*/
{ 0, 0 },
};
struct cougar_shared {
struct list_head list;
struct kref kref;
bool enabled;
struct hid_device *dev;
struct input_dev *input;
};
struct cougar {
bool special_intf;
struct cougar_shared *shared;
};
static LIST_HEAD(cougar_udev_list);
static DEFINE_MUTEX(cougar_udev_list_lock);
static void cougar_fix_g6_mapping(struct hid_device *hdev)
{
int i;
for (i = 0; cougar_mapping[i][0]; i++) {
if (cougar_mapping[i][0] == COUGAR_KEY_G6) {
cougar_mapping[i][1] =
cougar_g6_is_space ? KEY_SPACE : KEY_F18;
hid_info(hdev, "G6 mapped to %s\n",
cougar_g6_is_space ? "space" : "F18");
return;
}
}
hid_warn(hdev, "no mapping defined for G6/spacebar");
}
/*
* Constant-friendly rdesc fixup for mouse interface
*/
static __u8 *cougar_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
if (rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
(rdesc[115] | rdesc[116] << 8) >= HID_MAX_USAGES) {
hid_info(hdev,
"usage count exceeds max: fixing up report descriptor\n");
rdesc[115] = ((HID_MAX_USAGES-1) & 0xff);
rdesc[116] = ((HID_MAX_USAGES-1) >> 8);
}
return rdesc;
}
static struct cougar_shared *cougar_get_shared_data(struct hid_device *hdev)
{
struct cougar_shared *shared;
/* Try to find an already-probed interface from the same device */
list_for_each_entry(shared, &cougar_udev_list, list) {
if (hid_compare_device_paths(hdev, shared->dev, '/')) {
kref_get(&shared->kref);
return shared;
}
}
return NULL;
}
static void cougar_release_shared_data(struct kref *kref)
{
struct cougar_shared *shared = container_of(kref,
struct cougar_shared, kref);
mutex_lock(&cougar_udev_list_lock);
list_del(&shared->list);
mutex_unlock(&cougar_udev_list_lock);
kfree(shared);
}
static void cougar_remove_shared_data(void *resource)
{
struct cougar *cougar = resource;
if (cougar->shared) {
kref_put(&cougar->shared->kref, cougar_release_shared_data);
cougar->shared = NULL;
}
}
/*
* Bind the device group's shared data to this cougar struct.
* If no shared data exists for this group, create and initialize it.
*/
static int cougar_bind_shared_data(struct hid_device *hdev, struct cougar *cougar)
{
struct cougar_shared *shared;
int error = 0;
mutex_lock(&cougar_udev_list_lock);
shared = cougar_get_shared_data(hdev);
if (!shared) {
shared = kzalloc(sizeof(*shared), GFP_KERNEL);
if (!shared) {
error = -ENOMEM;
goto out;
}
kref_init(&shared->kref);
shared->dev = hdev;
list_add_tail(&shared->list, &cougar_udev_list);
}
cougar->shared = shared;
error = devm_add_action(&hdev->dev, cougar_remove_shared_data, cougar);
if (error) {
mutex_unlock(&cougar_udev_list_lock);
cougar_remove_shared_data(cougar);
return error;
}
out:
mutex_unlock(&cougar_udev_list_lock);
return error;
}
static int cougar_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
struct cougar *cougar;
struct hid_input *next, *hidinput = NULL;
unsigned int connect_mask;
int error;
cougar = devm_kzalloc(&hdev->dev, sizeof(*cougar), GFP_KERNEL);
if (!cougar)
return -ENOMEM;
hid_set_drvdata(hdev, cougar);
error = hid_parse(hdev);
if (error) {
hid_err(hdev, "parse failed\n");
goto fail;
}
if (hdev->collection->usage == COUGAR_VENDOR_USAGE) {
cougar->special_intf = true;
connect_mask = HID_CONNECT_HIDRAW;
} else
connect_mask = HID_CONNECT_DEFAULT;
error = hid_hw_start(hdev, connect_mask);
if (error) {
hid_err(hdev, "hw start failed\n");
goto fail;
}
error = cougar_bind_shared_data(hdev, cougar);
if (error)
goto fail_stop_and_cleanup;
/* The custom vendor interface will use the hid_input registered
* for the keyboard interface, in order to send translated key codes
* to it.
*/
if (hdev->collection->usage == HID_GD_KEYBOARD) {
cougar_fix_g6_mapping(hdev);
list_for_each_entry_safe(hidinput, next, &hdev->inputs, list) {
if (hidinput->registered && hidinput->input != NULL) {
cougar->shared->input = hidinput->input;
cougar->shared->enabled = true;
break;
}
}
} else if (hdev->collection->usage == COUGAR_VENDOR_USAGE) {
error = hid_hw_open(hdev);
if (error)
goto fail_stop_and_cleanup;
}
return 0;
fail_stop_and_cleanup:
hid_hw_stop(hdev);
fail:
hid_set_drvdata(hdev, NULL);
return error;
}
/*
* Convert events from vendor intf to input key events
*/
static int cougar_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *data, int size)
{
struct cougar *cougar;
unsigned char code, action;
int i;
cougar = hid_get_drvdata(hdev);
if (!cougar->special_intf || !cougar->shared ||
!cougar->shared->input || !cougar->shared->enabled)
return 0;
code = data[COUGAR_FIELD_CODE];
action = data[COUGAR_FIELD_ACTION];
for (i = 0; cougar_mapping[i][0]; i++) {
if (code == cougar_mapping[i][0]) {
input_event(cougar->shared->input, EV_KEY,
cougar_mapping[i][1], action);
input_sync(cougar->shared->input);
return 0;
}
}
hid_warn(hdev, "unmapped special key code %x: ignoring\n", code);
return 0;
}
static void cougar_remove(struct hid_device *hdev)
{
struct cougar *cougar = hid_get_drvdata(hdev);
if (cougar) {
/* Stop the vendor intf to process more events */
if (cougar->shared)
cougar->shared->enabled = false;
if (cougar->special_intf)
hid_hw_close(hdev);
}
hid_hw_stop(hdev);
}
static struct hid_device_id cougar_id_table[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR,
USB_DEVICE_ID_COUGAR_500K_GAMING_KEYBOARD) },
{}
};
MODULE_DEVICE_TABLE(hid, cougar_id_table);
static struct hid_driver cougar_driver = {
.name = "cougar",
.id_table = cougar_id_table,
.report_fixup = cougar_report_fixup,
.probe = cougar_probe,
.remove = cougar_remove,
.raw_event = cougar_raw_event,
};
module_hid_driver(cougar_driver);

227
drivers/hid/hid-elan.c
View file

@ -19,38 +19,49 @@
#include "hid-ids.h"
#define ELAN_MT_I2C 0x5d
#define ELAN_SINGLE_FINGER 0x81
#define ELAN_MT_FIRST_FINGER 0x82
#define ELAN_MT_SECOND_FINGER 0x83
#define ELAN_INPUT_REPORT_SIZE 8
#define ELAN_I2C_REPORT_SIZE 32
#define ELAN_FINGER_DATA_LEN 5
#define ELAN_MAX_FINGERS 5
#define ELAN_MAX_PRESSURE 255
#define ELAN_TP_USB_INTF 1
#define ELAN_FEATURE_REPORT 0x0d
#define ELAN_FEATURE_SIZE 5
#define ELAN_PARAM_MAX_X 6
#define ELAN_PARAM_MAX_Y 7
#define ELAN_PARAM_RES 8
#define ELAN_MUTE_LED_REPORT 0xBC
#define ELAN_LED_REPORT_SIZE 8
struct elan_touchpad_settings {
u8 max_fingers;
u16 max_x;
u16 max_y;
u8 max_area_x;
u8 max_area_y;
u8 max_w;
int usb_bInterfaceNumber;
};
#define ELAN_HAS_LED BIT(0)
struct elan_drvdata {
struct input_dev *input;
u8 prev_report[ELAN_INPUT_REPORT_SIZE];
struct led_classdev mute_led;
u8 mute_led_state;
struct elan_touchpad_settings *settings;
u16 max_x;
u16 max_y;
u16 res_x;
u16 res_y;
};
static int is_not_elan_touchpad(struct hid_device *hdev)
{
if (hdev->bus == BUS_USB) {
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
struct elan_drvdata *drvdata = hid_get_drvdata(hdev);
return (intf->altsetting->desc.bInterfaceNumber != drvdata->settings->usb_bInterfaceNumber);
return (intf->altsetting->desc.bInterfaceNumber !=
ELAN_TP_USB_INTF);
}
return 0;
}
static int elan_input_mapping(struct hid_device *hdev, struct hid_input *hi,
@ -62,12 +73,86 @@ static int elan_input_mapping(struct hid_device *hdev, struct hid_input *hi,
if (field->report->id == ELAN_SINGLE_FINGER ||
field->report->id == ELAN_MT_FIRST_FINGER ||
field->report->id == ELAN_MT_SECOND_FINGER)
field->report->id == ELAN_MT_SECOND_FINGER ||
field->report->id == ELAN_MT_I2C)
return -1;
return 0;
}
static int elan_get_device_param(struct hid_device *hdev,
unsigned char *dmabuf, unsigned char param)
{
int ret;
dmabuf[0] = ELAN_FEATURE_REPORT;
dmabuf[1] = 0x05;
dmabuf[2] = 0x03;
dmabuf[3] = param;
dmabuf[4] = 0x01;
ret = hid_hw_raw_request(hdev, ELAN_FEATURE_REPORT, dmabuf,
ELAN_FEATURE_SIZE, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
if (ret != ELAN_FEATURE_SIZE) {
hid_err(hdev, "Set report error for parm %d: %d\n", param, ret);
return ret;
}
ret = hid_hw_raw_request(hdev, ELAN_FEATURE_REPORT, dmabuf,
ELAN_FEATURE_SIZE, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret != ELAN_FEATURE_SIZE) {
hid_err(hdev, "Get report error for parm %d: %d\n", param, ret);
return ret;
}
return 0;
}
static unsigned int elan_convert_res(char val)
{
/*
* (value from firmware) * 10 + 790 = dpi
* dpi * 10 / 254 = dots/mm
*/
return (val * 10 + 790) * 10 / 254;
}
static int elan_get_device_params(struct hid_device *hdev)
{
struct elan_drvdata *drvdata = hid_get_drvdata(hdev);
unsigned char *dmabuf;
int ret;
dmabuf = kmalloc(ELAN_FEATURE_SIZE, GFP_KERNEL);
if (!dmabuf)
return -ENOMEM;
ret = elan_get_device_param(hdev, dmabuf, ELAN_PARAM_MAX_X);
if (ret)
goto err;
drvdata->max_x = (dmabuf[4] << 8) | dmabuf[3];
ret = elan_get_device_param(hdev, dmabuf, ELAN_PARAM_MAX_Y);
if (ret)
goto err;
drvdata->max_y = (dmabuf[4] << 8) | dmabuf[3];
ret = elan_get_device_param(hdev, dmabuf, ELAN_PARAM_RES);
if (ret)
goto err;
drvdata->res_x = elan_convert_res(dmabuf[3]);
drvdata->res_y = elan_convert_res(dmabuf[4]);
err:
kfree(dmabuf);
return ret;
}
static int elan_input_configured(struct hid_device *hdev, struct hid_input *hi)
{
int ret;
@ -77,6 +162,10 @@ static int elan_input_configured(struct hid_device *hdev, struct hid_input *hi)
if (is_not_elan_touchpad(hdev))
return 0;
ret = elan_get_device_params(hdev);
if (ret)
return ret;
input = devm_input_allocate_device(&hdev->dev);
if (!input)
return -ENOMEM;
@ -90,25 +179,25 @@ static int elan_input_configured(struct hid_device *hdev, struct hid_input *hi)
input->id.version = hdev->version;
input->dev.parent = &hdev->dev;
input_set_abs_params(input, ABS_MT_POSITION_X, 0,
drvdata->settings->max_x, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
drvdata->settings->max_y, 0, 0);
input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
drvdata->settings->max_fingers, 0, 0);
input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
drvdata->settings->max_w, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_X, 0, drvdata->max_x,
0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0, drvdata->max_y,
0, 0);
input_set_abs_params(input, ABS_MT_PRESSURE, 0, ELAN_MAX_PRESSURE,
0, 0);
__set_bit(BTN_LEFT, input->keybit);
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
ret = input_mt_init_slots(input, drvdata->settings->max_fingers,
INPUT_MT_POINTER);
ret = input_mt_init_slots(input, ELAN_MAX_FINGERS, INPUT_MT_POINTER);
if (ret) {
hid_err(hdev, "Failed to init elan MT slots: %d\n", ret);
return ret;
}
input_abs_set_res(input, ABS_X, drvdata->res_x);
input_abs_set_res(input, ABS_Y, drvdata->res_y);
ret = input_register_device(input);
if (ret) {
hid_err(hdev, "Failed to register elan input device: %d\n",
@ -126,7 +215,7 @@ static void elan_report_mt_slot(struct elan_drvdata *drvdata, u8 *data,
unsigned int slot_num)
{
struct input_dev *input = drvdata->input;
int x, y, w;
int x, y, p;
bool active = !!data;
@ -134,17 +223,17 @@ static void elan_report_mt_slot(struct elan_drvdata *drvdata, u8 *data,
input_mt_report_slot_state(input, MT_TOOL_FINGER, active);
if (active) {
x = ((data[0] & 0xF0) << 4) | data[1];
y = drvdata->settings->max_y -
y = drvdata->max_y -
(((data[0] & 0x07) << 8) | data[2]);
w = data[4];
p = data[4];
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
input_report_abs(input, ABS_TOOL_WIDTH, w);
input_report_abs(input, ABS_MT_PRESSURE, p);
}
}
static void elan_report_input(struct elan_drvdata *drvdata, u8 *data)
static void elan_usb_report_input(struct elan_drvdata *drvdata, u8 *data)
{
int i;
struct input_dev *input = drvdata->input;
@ -162,7 +251,7 @@ static void elan_report_input(struct elan_drvdata *drvdata, u8 *data)
* byte 5: x8 x7 x6 x5 x4 x3 x2 x1
* byte 6: y8 y7 y6 y5 y4 y3 y2 y1
* byte 7: sy4 sy3 sy2 sy1 sx4 sx3 sx2 sx1
* byte 8: w8 w7 w6 w5 w4 w3 w2 w1
* byte 8: p8 p7 p6 p5 p4 p3 p2 p1
*
* packet structure for ELAN_MT_SECOND_FINGER:
*
@ -171,19 +260,21 @@ static void elan_report_input(struct elan_drvdata *drvdata, u8 *data)
* byte 3: x8 x7 x6 x5 x4 x3 x2 x1
* byte 4: y8 y7 y6 y5 y4 y3 y2 y1
* byte 5: sy4 sy3 sy2 sy1 sx4 sx3 sx2 sx1
* byte 6: w8 w7 w6 w5 w4 w3 w2 w1
* byte 6: p8 p7 p6 p5 p4 p3 p2 p1
* byte 7: 0 0 0 0 0 0 0 0
* byte 8: 0 0 0 0 0 0 0 0
*
* f5-f1: finger touch bits
* L: clickpad button
* sy / sx: not sure yet, but this looks like rectangular
* area for finger
* w: looks like finger width
* sy / sx: finger width / height expressed in traces, the total number
* of traces can be queried by doing a HID_REQ_SET_REPORT
* { 0x0d, 0x05, 0x03, 0x05, 0x01 } followed by a GET, in the
* returned buf, buf[3]=no-x-traces, buf[4]=no-y-traces.
* p: pressure
*/
if (data[0] == ELAN_SINGLE_FINGER) {
for (i = 0; i < drvdata->settings->max_fingers; i++) {
for (i = 0; i < ELAN_MAX_FINGERS; i++) {
if (data[2] & BIT(i + 3))
elan_report_mt_slot(drvdata, data + 3, i);
else
@ -210,7 +301,7 @@ static void elan_report_input(struct elan_drvdata *drvdata, u8 *data)
if (prev_report[0] != ELAN_MT_FIRST_FINGER)
return;
for (i = 0; i < drvdata->settings->max_fingers; i++) {
for (i = 0; i < ELAN_MAX_FINGERS; i++) {
if (prev_report[2] & BIT(i + 3)) {
if (!first) {
first = 1;
@ -229,6 +320,46 @@ static void elan_report_input(struct elan_drvdata *drvdata, u8 *data)
input_sync(input);
}
static void elan_i2c_report_input(struct elan_drvdata *drvdata, u8 *data)
{
struct input_dev *input = drvdata->input;
u8 *finger_data;
int i;
/*
* Elan MT touchpads in i2c mode send finger data in the same format
* as in USB mode, but then with all fingers in a single packet.
*
* packet structure for ELAN_MT_I2C:
*
* byte 1: 1 0 0 1 1 1 0 1 // 0x5d
* byte 2: f5 f4 f3 f2 f1 0 0 L
* byte 3: x12 x11 x10 x9 0? y11 y10 y9
* byte 4: x8 x7 x6 x5 x4 x3 x2 x1
* byte 5: y8 y7 y6 y5 y4 y3 y2 y1
* byte 6: sy4 sy3 sy2 sy1 sx4 sx3 sx2 sx1
* byte 7: p8 p7 p6 p5 p4 p3 p2 p1
* byte 8-12: Same as byte 3-7 for second finger down
* byte 13-17: Same as byte 3-7 for third finger down
* byte 18-22: Same as byte 3-7 for fourth finger down
* byte 23-27: Same as byte 3-7 for fifth finger down
*/
finger_data = data + 2;
for (i = 0; i < ELAN_MAX_FINGERS; i++) {
if (data[1] & BIT(i + 3)) {
elan_report_mt_slot(drvdata, finger_data, i);
finger_data += ELAN_FINGER_DATA_LEN;
} else {
elan_report_mt_slot(drvdata, NULL, i);
}
}
input_report_key(input, BTN_LEFT, data[1] & 0x01);
input_mt_sync_frame(input);
input_sync(input);
}
static int elan_raw_event(struct hid_device *hdev,
struct hid_report *report, u8 *data, int size)
{
@ -241,11 +372,16 @@ static int elan_raw_event(struct hid_device *hdev,
data[0] == ELAN_MT_FIRST_FINGER ||
data[0] == ELAN_MT_SECOND_FINGER) {
if (size == ELAN_INPUT_REPORT_SIZE) {
elan_report_input(drvdata, data);
elan_usb_report_input(drvdata, data);
return 1;
}
}
if (data[0] == ELAN_MT_I2C && size == ELAN_I2C_REPORT_SIZE) {
elan_i2c_report_input(drvdata, data);
return 1;
}
return 0;
}
@ -343,7 +479,6 @@ static int elan_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (!drvdata)
return -ENOMEM;
drvdata->settings = (struct elan_touchpad_settings *)id->driver_data;
hid_set_drvdata(hdev, drvdata);
ret = hid_parse(hdev);
@ -371,9 +506,11 @@ static int elan_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret)
goto err;
if (id->driver_data & ELAN_HAS_LED) {
ret = elan_init_mute_led(hdev);
if (ret)
goto err;
}
return 0;
err:
@ -386,22 +523,14 @@ static void elan_remove(struct hid_device *hdev)
hid_hw_stop(hdev);
}
static const struct elan_touchpad_settings hp_x2_10_touchpad_data = {
.max_fingers = 5,
.max_x = 2930,
.max_y = 1250,
.max_area_x = 15,
.max_area_y = 15,
.max_w = 255,
.usb_bInterfaceNumber = 1,
};
static const struct hid_device_id elan_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_HP_X2),
.driver_data = ELAN_HAS_LED },
{ HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_HP_X2_10_COVER),
(kernel_ulong_t)&hp_x2_10_touchpad_data},
.driver_data = ELAN_HAS_LED },
{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_TOSHIBA_CLICK_L9W) },
{ }
};
MODULE_DEVICE_TABLE(hid, elan_devices);
static struct hid_driver elan_driver = {

5
drivers/hid/hid-ids.h
View file

@ -369,6 +369,8 @@
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
#define USB_VENDOR_ID_ELAN 0x04f3
#define USB_DEVICE_ID_TOSHIBA_CLICK_L9W 0x0401
#define USB_DEVICE_ID_HP_X2 0x074d
#define USB_DEVICE_ID_HP_X2_10_COVER 0x0755
#define USB_VENDOR_ID_ELECOM 0x056e
@ -1001,6 +1003,9 @@
#define USB_VENDOR_ID_SINO_LITE 0x1345
#define USB_DEVICE_ID_SINO_LITE_CONTROLLER 0x3008
#define USB_VENDOR_ID_SOLID_YEAR 0x060b
#define USB_DEVICE_ID_COUGAR_500K_GAMING_KEYBOARD 0x500a
#define USB_VENDOR_ID_SOUNDGRAPH 0x15c2
#define USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST 0x0034
#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST 0x0046

3
drivers/hid/hid-input.c
View file

@ -1550,6 +1550,9 @@ static struct hid_input *hidinput_allocate(struct hid_device *hid,
case HID_GD_WIRELESS_RADIO_CTLS:
suffix = "Wireless Radio Control";
break;
case HID_GD_SYSTEM_MULTIAXIS:
suffix = "System Multi Axis";
break;
default:
break;
}

49
drivers/hid/hid-microsoft.c
View file

@ -22,12 +22,13 @@
#include "hid-ids.h"
#define MS_HIDINPUT 0x01
#define MS_ERGONOMY 0x02
#define MS_PRESENTER 0x04
#define MS_RDESC 0x08
#define MS_NOGET 0x10
#define MS_DUPLICATE_USAGES 0x20
#define MS_HIDINPUT BIT(0)
#define MS_ERGONOMY BIT(1)
#define MS_PRESENTER BIT(2)
#define MS_RDESC BIT(3)
#define MS_NOGET BIT(4)
#define MS_DUPLICATE_USAGES BIT(5)
#define MS_SURFACE_DIAL BIT(6)
static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
@ -130,6 +131,30 @@ static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage,
return 1;
}
static int ms_surface_dial_quirk(struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit, int *max)
{
switch (usage->hid & HID_USAGE_PAGE) {
case 0xff070000:
/* fall-through */
case HID_UP_DIGITIZER:
/* ignore those axis */
return -1;
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
/* fall-through */
case HID_GD_Y:
/* fall-through */
case HID_GD_RFKILL_BTN:
/* ignore those axis */
return -1;
}
}
return 0;
}
static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
@ -146,6 +171,13 @@ static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi,
ms_presenter_8k_quirk(hi, usage, bit, max))
return 1;
if (quirks & MS_SURFACE_DIAL) {
int ret = ms_surface_dial_quirk(hi, field, usage, bit, max);
if (ret)
return ret;
}
return 0;
}
@ -229,6 +261,9 @@ static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (quirks & MS_NOGET)
hdev->quirks |= HID_QUIRK_NOGET;
if (quirks & MS_SURFACE_DIAL)
hdev->quirks |= HID_QUIRK_INPUT_PER_APP;
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
@ -281,6 +316,8 @@ static const struct hid_device_id ms_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT),
.driver_data = MS_PRESENTER },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x091B),
.driver_data = MS_SURFACE_DIAL },
{ }
};
MODULE_DEVICE_TABLE(hid, ms_devices);

965
drivers/hid/hid-multitouch.c
View file

File diff suppressed because it is too large Load diff

2
drivers/hid/hid-ntrig.c
View file

@ -955,6 +955,8 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
ret = sysfs_create_group(&hdev->dev.kobj,
&ntrig_attribute_group);
if (ret)
hid_err(hdev, "cannot create sysfs group\n");
return 0;
err_free:

26
drivers/hid/hid-redragon.c
View file

@ -44,29 +44,6 @@ static __u8 *redragon_report_fixup(struct hid_device *hdev, __u8 *rdesc,
return rdesc;
}
static int redragon_probe(struct hid_device *dev,
const struct hid_device_id *id)
{
int ret;
ret = hid_parse(dev);
if (ret) {
hid_err(dev, "parse failed\n");
return ret;
}
/* do not register unused input device */
if (dev->maxapplication == 1)
return 0;
ret = hid_hw_start(dev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(dev, "hw start failed\n");
return ret;
}
return 0;
}
static const struct hid_device_id redragon_devices[] = {
{HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_REDRAGON_ASURA)},
{}
@ -77,8 +54,7 @@ MODULE_DEVICE_TABLE(hid, redragon_devices);
static struct hid_driver redragon_driver = {
.name = "redragon",
.id_table = redragon_devices,
.report_fixup = redragon_report_fixup,
.probe = redragon_probe
.report_fixup = redragon_report_fixup
};
module_hid_driver(redragon_driver);

164
drivers/hid/hid-sony.c
View file

@ -1353,7 +1353,7 @@ static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
char *name;
int ret;
sc->touchpad = input_allocate_device();
sc->touchpad = devm_input_allocate_device(&sc->hdev->dev);
if (!sc->touchpad)
return -ENOMEM;
@ -1370,11 +1370,9 @@ static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
* DS4 compatible non-Sony devices with different names.
*/
name_sz = strlen(sc->hdev->name) + sizeof(DS4_TOUCHPAD_SUFFIX);
name = kzalloc(name_sz, GFP_KERNEL);
if (!name) {
ret = -ENOMEM;
goto err;
}
name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
if (!name)
return -ENOMEM;
snprintf(name, name_sz, "%s" DS4_TOUCHPAD_SUFFIX, sc->hdev->name);
sc->touchpad->name = name;
@ -1403,34 +1401,13 @@ static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
ret = input_mt_init_slots(sc->touchpad, touch_count, INPUT_MT_POINTER);
if (ret < 0)
goto err;
return ret;
ret = input_register_device(sc->touchpad);
if (ret < 0)
goto err;
return ret;
return 0;
err:
kfree(sc->touchpad->name);
sc->touchpad->name = NULL;
input_free_device(sc->touchpad);
sc->touchpad = NULL;
return ret;
}
static void sony_unregister_touchpad(struct sony_sc *sc)
{
if (!sc->touchpad)
return;
kfree(sc->touchpad->name);
sc->touchpad->name = NULL;
input_unregister_device(sc->touchpad);
sc->touchpad = NULL;
}
static int sony_register_sensors(struct sony_sc *sc)
@ -1440,7 +1417,7 @@ static int sony_register_sensors(struct sony_sc *sc)
int ret;
int range;
sc->sensor_dev = input_allocate_device();
sc->sensor_dev = devm_input_allocate_device(&sc->hdev->dev);
if (!sc->sensor_dev)
return -ENOMEM;
@ -1457,11 +1434,9 @@ static int sony_register_sensors(struct sony_sc *sc)
* DS4 compatible non-Sony devices with different names.
*/
name_sz = strlen(sc->hdev->name) + sizeof(SENSOR_SUFFIX);
name = kzalloc(name_sz, GFP_KERNEL);
if (!name) {
ret = -ENOMEM;
goto err;
}
name = devm_kzalloc(&sc->hdev->dev, name_sz, GFP_KERNEL);
if (!name)
return -ENOMEM;
snprintf(name, name_sz, "%s" SENSOR_SUFFIX, sc->hdev->name);
sc->sensor_dev->name = name;
@ -1503,33 +1478,11 @@ static int sony_register_sensors(struct sony_sc *sc)
ret = input_register_device(sc->sensor_dev);
if (ret < 0)
goto err;
return ret;
return 0;
err:
kfree(sc->sensor_dev->name);
sc->sensor_dev->name = NULL;
input_free_device(sc->sensor_dev);
sc->sensor_dev = NULL;
return ret;
}
static void sony_unregister_sensors(struct sony_sc *sc)
{
if (!sc->sensor_dev)
return;
kfree(sc->sensor_dev->name);
sc->sensor_dev->name = NULL;
input_unregister_device(sc->sensor_dev);
sc->sensor_dev = NULL;
}
/*
* Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
* to "operational". Without this, the ps3 controller will not report any
@ -1987,25 +1940,6 @@ static int sony_led_blink_set(struct led_classdev *led, unsigned long *delay_on,
return 0;
}
static void sony_leds_remove(struct sony_sc *sc)
{
struct led_classdev *led;
int n;
BUG_ON(!(sc->quirks & SONY_LED_SUPPORT));
for (n = 0; n < sc->led_count; n++) {
led = sc->leds[n];
sc->leds[n] = NULL;
if (!led)
continue;
led_classdev_unregister(led);
kfree(led);
}
sc->led_count = 0;
}
static int sony_leds_init(struct sony_sc *sc)
{
struct hid_device *hdev = sc->hdev;
@ -2078,11 +2012,10 @@ static int sony_leds_init(struct sony_sc *sc)
if (use_ds4_names)
name_sz = strlen(dev_name(&hdev->dev)) + strlen(ds4_name_str[n]) + 2;
led = kzalloc(sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
led = devm_kzalloc(&hdev->dev, sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
if (!led) {
hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
ret = -ENOMEM;
goto error_leds;
return -ENOMEM;
}
name = (void *)(&led[1]);
@ -2103,21 +2036,14 @@ static int sony_leds_init(struct sony_sc *sc)
sc->leds[n] = led;
ret = led_classdev_register(&hdev->dev, led);
ret = devm_led_classdev_register(&hdev->dev, led);
if (ret) {
hid_err(hdev, "Failed to register LED %d\n", n);
sc->leds[n] = NULL;
kfree(led);
goto error_leds;
return ret;
}
}
return ret;
error_leds:
sony_leds_remove(sc);
return ret;
return 0;
}
static void sixaxis_send_output_report(struct sony_sc *sc)
@ -2276,16 +2202,20 @@ static int sony_allocate_output_report(struct sony_sc *sc)
if ((sc->quirks & SIXAXIS_CONTROLLER) ||
(sc->quirks & NAVIGATION_CONTROLLER))
sc->output_report_dmabuf =
kmalloc(sizeof(union sixaxis_output_report_01),
devm_kmalloc(&sc->hdev->dev,
sizeof(union sixaxis_output_report_01),
GFP_KERNEL);
else if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
sc->output_report_dmabuf = kmalloc(DS4_OUTPUT_REPORT_0x11_SIZE,
sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
DS4_OUTPUT_REPORT_0x11_SIZE,
GFP_KERNEL);
else if (sc->quirks & (DUALSHOCK4_CONTROLLER_USB | DUALSHOCK4_DONGLE))
sc->output_report_dmabuf = kmalloc(DS4_OUTPUT_REPORT_0x05_SIZE,
sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
DS4_OUTPUT_REPORT_0x05_SIZE,
GFP_KERNEL);
else if (sc->quirks & MOTION_CONTROLLER)
sc->output_report_dmabuf = kmalloc(MOTION_REPORT_0x02_SIZE,
sc->output_report_dmabuf = devm_kmalloc(&sc->hdev->dev,
MOTION_REPORT_0x02_SIZE,
GFP_KERNEL);
else
return 0;
@ -2392,36 +2322,21 @@ static int sony_battery_probe(struct sony_sc *sc, int append_dev_id)
sc->battery_desc.get_property = sony_battery_get_property;
sc->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
sc->battery_desc.use_for_apm = 0;
sc->battery_desc.name = kasprintf(GFP_KERNEL, battery_str_fmt,
sc->mac_address, sc->device_id);
sc->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
battery_str_fmt, sc->mac_address, sc->device_id);
if (!sc->battery_desc.name)
return -ENOMEM;
sc->battery = power_supply_register(&hdev->dev, &sc->battery_desc,
sc->battery = devm_power_supply_register(&hdev->dev, &sc->battery_desc,
&psy_cfg);
if (IS_ERR(sc->battery)) {
ret = PTR_ERR(sc->battery);
hid_err(hdev, "Unable to register battery device\n");
goto err_free;
return ret;
}
power_supply_powers(sc->battery, &hdev->dev);
return 0;
err_free:
kfree(sc->battery_desc.name);
sc->battery_desc.name = NULL;
return ret;
}
static void sony_battery_remove(struct sony_sc *sc)
{
if (!sc->battery_desc.name)
return;
power_supply_unregister(sc->battery);
kfree(sc->battery_desc.name);
sc->battery_desc.name = NULL;
}
/*
@ -2879,16 +2794,7 @@ static int sony_input_configured(struct hid_device *hdev,
device_remove_file(&sc->hdev->dev, &dev_attr_firmware_version);
if (sc->hw_version)
device_remove_file(&sc->hdev->dev, &dev_attr_hardware_version);
if (sc->quirks & SONY_LED_SUPPORT)
sony_leds_remove(sc);
if (sc->quirks & SONY_BATTERY_SUPPORT)
sony_battery_remove(sc);
if (sc->touchpad)
sony_unregister_touchpad(sc);
if (sc->sensor_dev)
sony_unregister_sensors(sc);
sony_cancel_work_sync(sc);
kfree(sc->output_report_dmabuf);
sony_remove_dev_list(sc);
sony_release_device_id(sc);
hid_hw_stop(hdev);
@ -2965,18 +2871,6 @@ static void sony_remove(struct hid_device *hdev)
hid_hw_close(hdev);
if (sc->quirks & SONY_LED_SUPPORT)
sony_leds_remove(sc);
if (sc->quirks & SONY_BATTERY_SUPPORT)
sony_battery_remove(sc);
if (sc->touchpad)
sony_unregister_touchpad(sc);
if (sc->sensor_dev)
sony_unregister_sensors(sc);
if (sc->quirks & DUALSHOCK4_CONTROLLER_BT)
device_remove_file(&sc->hdev->dev, &dev_attr_bt_poll_interval);
@ -2988,8 +2882,6 @@ static void sony_remove(struct hid_device *hdev)
sony_cancel_work_sync(sc);
kfree(sc->output_report_dmabuf);
sony_remove_dev_list(sc);
sony_release_device_id(sc);

14
drivers/hid/hid-wiimote-core.c
View file

@ -455,6 +455,12 @@ static __u8 wiimote_cmd_read_ext(struct wiimote_data *wdata, __u8 *rmem)
return WIIMOTE_EXT_BALANCE_BOARD;
if (rmem[4] == 0x01 && rmem[5] == 0x20)
return WIIMOTE_EXT_PRO_CONTROLLER;
if (rmem[0] == 0x01 && rmem[1] == 0x00 &&
rmem[4] == 0x01 && rmem[5] == 0x03)
return WIIMOTE_EXT_DRUMS;
if (rmem[0] == 0x00 && rmem[1] == 0x00 &&
rmem[4] == 0x01 && rmem[5] == 0x03)
return WIIMOTE_EXT_GUITAR;
return WIIMOTE_EXT_UNKNOWN;
}
@ -488,6 +494,8 @@ static bool wiimote_cmd_map_mp(struct wiimote_data *wdata, __u8 exttype)
/* map MP with correct pass-through mode */
switch (exttype) {
case WIIMOTE_EXT_CLASSIC_CONTROLLER:
case WIIMOTE_EXT_DRUMS:
case WIIMOTE_EXT_GUITAR:
wmem = 0x07;
break;
case WIIMOTE_EXT_NUNCHUK:
@ -1075,6 +1083,8 @@ static const char *wiimote_exttype_names[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = "Nintendo Wii Classic Controller",
[WIIMOTE_EXT_BALANCE_BOARD] = "Nintendo Wii Balance Board",
[WIIMOTE_EXT_PRO_CONTROLLER] = "Nintendo Wii U Pro Controller",
[WIIMOTE_EXT_DRUMS] = "Nintendo Wii Drums",
[WIIMOTE_EXT_GUITAR] = "Nintendo Wii Guitar",
};
/*
@ -1660,6 +1670,10 @@ static ssize_t wiimote_ext_show(struct device *dev,
return sprintf(buf, "balanceboard\n");
case WIIMOTE_EXT_PRO_CONTROLLER:
return sprintf(buf, "procontroller\n");
case WIIMOTE_EXT_DRUMS:
return sprintf(buf, "drums\n");
case WIIMOTE_EXT_GUITAR:
return sprintf(buf, "guitar\n");
case WIIMOTE_EXT_UNKNOWN:
/* fallthrough */
default:

440
drivers/hid/hid-wiimote-modules.c
View file

@ -1949,6 +1949,444 @@ static const struct wiimod_ops wiimod_pro = {
.in_ext = wiimod_pro_in_ext,
};
/*
* Drums
* Guitar-Hero, Rock-Band and other games came bundled with drums which can
* be plugged as extension to a Wiimote. Drum-reports are still not entirely
* figured out, but the most important information is known.
* We create a separate device for drums and report all information via this
* input device.
*/
static inline void wiimod_drums_report_pressure(struct wiimote_data *wdata,
__u8 none, __u8 which,
__u8 pressure, __u8 onoff,
__u8 *store, __u16 code,
__u8 which_code)
{
static const __u8 default_pressure = 3;
if (!none && which == which_code) {
*store = pressure;
input_report_abs(wdata->extension.input, code, *store);
} else if (onoff != !!*store) {
*store = onoff ? default_pressure : 0;
input_report_abs(wdata->extension.input, code, *store);
}
}
static void wiimod_drums_in_ext(struct wiimote_data *wdata, const __u8 *ext)
{
__u8 pressure, which, none, hhp, sx, sy;
__u8 o, r, y, g, b, bass, bm, bp;
/* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:0> |
* 2 | 0 | 0 | SY <5:0> |
* -----+-----+-----+-----------------------------+-----+
* 3 | HPP | NON | WHICH <5:1> | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | ? | 1 | 1 | B- | 1 | B+ | 1 | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | O | R | Y | G | B | BSS | 1 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* All buttons are 0 if pressed
*
* With Motion+ enabled, the following bits will get invalid:
* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:1> |XXXXX|
* 2 | 0 | 0 | SY <5:1> |XXXXX|
* -----+-----+-----+-----------------------------+-----+
* 3 | HPP | NON | WHICH <5:1> | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 4 | SOFT <7:5> | 0 | 1 | 1 | 0 | ? |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | ? | 1 | 1 | B- | 1 | B+ | 1 |XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | O | R | Y | G | B | BSS |XXXXX|XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
*/
pressure = 7 - (ext[3] >> 5);
which = (ext[2] >> 1) & 0x1f;
none = !!(ext[2] & 0x40);
hhp = !(ext[2] & 0x80);
sx = ext[0] & 0x3f;
sy = ext[1] & 0x3f;
o = !(ext[5] & 0x80);
r = !(ext[5] & 0x40);
y = !(ext[5] & 0x20);
g = !(ext[5] & 0x10);
b = !(ext[5] & 0x08);
bass = !(ext[5] & 0x04);
bm = !(ext[4] & 0x10);
bp = !(ext[4] & 0x04);
if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
sx &= 0x3e;
sy &= 0x3e;
}
wiimod_drums_report_pressure(wdata, none, which, pressure,
o, &wdata->state.pressure_drums[0],
ABS_HAT2Y, 0x0e);
wiimod_drums_report_pressure(wdata, none, which, pressure,
r, &wdata->state.pressure_drums[1],
ABS_HAT0X, 0x19);
wiimod_drums_report_pressure(wdata, none, which, pressure,
y, &wdata->state.pressure_drums[2],
ABS_HAT2X, 0x11);
wiimod_drums_report_pressure(wdata, none, which, pressure,
g, &wdata->state.pressure_drums[3],
ABS_HAT1X, 0x12);
wiimod_drums_report_pressure(wdata, none, which, pressure,
b, &wdata->state.pressure_drums[4],
ABS_HAT0Y, 0x0f);
/* Bass shares pressure with hi-hat (set via hhp) */
wiimod_drums_report_pressure(wdata, none, hhp ? 0xff : which, pressure,
bass, &wdata->state.pressure_drums[5],
ABS_HAT3X, 0x1b);
/* Hi-hat has no on/off values, just pressure. Force to off/0. */
wiimod_drums_report_pressure(wdata, none, hhp ? which : 0xff, pressure,
0, &wdata->state.pressure_drums[6],
ABS_HAT3Y, 0x0e);
input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
input_report_key(wdata->extension.input, BTN_START, bp);
input_report_key(wdata->extension.input, BTN_SELECT, bm);
input_sync(wdata->extension.input);
}
static int wiimod_drums_open(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
return 0;
}
static void wiimod_drums_close(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
}
static int wiimod_drums_probe(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
int ret;
wdata->extension.input = input_allocate_device();
if (!wdata->extension.input)
return -ENOMEM;
input_set_drvdata(wdata->extension.input, wdata);
wdata->extension.input->open = wiimod_drums_open;
wdata->extension.input->close = wiimod_drums_close;
wdata->extension.input->dev.parent = &wdata->hdev->dev;
wdata->extension.input->id.bustype = wdata->hdev->bus;
wdata->extension.input->id.vendor = wdata->hdev->vendor;
wdata->extension.input->id.product = wdata->hdev->product;
wdata->extension.input->id.version = wdata->hdev->version;
wdata->extension.input->name = WIIMOTE_NAME " Drums";
set_bit(EV_KEY, wdata->extension.input->evbit);
set_bit(BTN_START, wdata->extension.input->keybit);
set_bit(BTN_SELECT, wdata->extension.input->keybit);
set_bit(EV_ABS, wdata->extension.input->evbit);
set_bit(ABS_X, wdata->extension.input->absbit);
set_bit(ABS_Y, wdata->extension.input->absbit);
set_bit(ABS_HAT0X, wdata->extension.input->absbit);
set_bit(ABS_HAT0Y, wdata->extension.input->absbit);
set_bit(ABS_HAT1X, wdata->extension.input->absbit);
set_bit(ABS_HAT2X, wdata->extension.input->absbit);
set_bit(ABS_HAT2Y, wdata->extension.input->absbit);
set_bit(ABS_HAT3X, wdata->extension.input->absbit);
set_bit(ABS_HAT3Y, wdata->extension.input->absbit);
input_set_abs_params(wdata->extension.input,
ABS_X, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_Y, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT0X, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HAT0Y, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HAT1X, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HAT2X, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HAT2Y, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HAT3X, 0, 7, 0, 0);
input_set_abs_params(wdata->extension.input,
ABS_HAT3Y, 0, 7, 0, 0);
ret = input_register_device(wdata->extension.input);
if (ret)
goto err_free;
return 0;
err_free:
input_free_device(wdata->extension.input);
wdata->extension.input = NULL;
return ret;
}
static void wiimod_drums_remove(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
if (!wdata->extension.input)
return;
input_unregister_device(wdata->extension.input);
wdata->extension.input = NULL;
}
static const struct wiimod_ops wiimod_drums = {
.flags = 0,
.arg = 0,
.probe = wiimod_drums_probe,
.remove = wiimod_drums_remove,
.in_ext = wiimod_drums_in_ext,
};
/*
* Guitar
* Guitar-Hero, Rock-Band and other games came bundled with guitars which can
* be plugged as extension to a Wiimote.
* We create a separate device for guitars and report all information via this
* input device.
*/
enum wiimod_guitar_keys {
WIIMOD_GUITAR_KEY_G,
WIIMOD_GUITAR_KEY_R,
WIIMOD_GUITAR_KEY_Y,
WIIMOD_GUITAR_KEY_B,
WIIMOD_GUITAR_KEY_O,
WIIMOD_GUITAR_KEY_UP,
WIIMOD_GUITAR_KEY_DOWN,
WIIMOD_GUITAR_KEY_PLUS,
WIIMOD_GUITAR_KEY_MINUS,
WIIMOD_GUITAR_KEY_NUM,
};
static const __u16 wiimod_guitar_map[] = {
BTN_1, /* WIIMOD_GUITAR_KEY_G */
BTN_2, /* WIIMOD_GUITAR_KEY_R */
BTN_3, /* WIIMOD_GUITAR_KEY_Y */
BTN_4, /* WIIMOD_GUITAR_KEY_B */
BTN_5, /* WIIMOD_GUITAR_KEY_O */
BTN_DPAD_UP, /* WIIMOD_GUITAR_KEY_UP */
BTN_DPAD_DOWN, /* WIIMOD_GUITAR_KEY_DOWN */
BTN_START, /* WIIMOD_GUITAR_KEY_PLUS */
BTN_SELECT, /* WIIMOD_GUITAR_KEY_MINUS */
};
static void wiimod_guitar_in_ext(struct wiimote_data *wdata, const __u8 *ext)
{
__u8 sx, sy, tb, wb, bd, bm, bp, bo, br, bb, bg, by, bu;
/* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:0> |
* 2 | 0 | 0 | SY <5:0> |
* -----+-----+-----+-----+-----------------------------+
* 3 | 0 | 0 | 0 | TB <4:0> |
* -----+-----+-----+-----+-----------------------------+
* 4 | 0 | 0 | 0 | WB <4:0> |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | 1 | BD | 1 | B- | 1 | B+ | 1 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | BO | BR | BB | BG | BY | 1 | 1 | BU |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* All buttons are 0 if pressed
*
* With Motion+ enabled, it will look like this:
* Byte | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 1 | 0 | 0 | SX <5:1> | BU |
* 2 | 0 | 0 | SY <5:1> | 1 |
* -----+-----+-----+-----+-----------------------+-----+
* 3 | 0 | 0 | 0 | TB <4:0> |
* -----+-----+-----+-----+-----------------------------+
* 4 | 0 | 0 | 0 | WB <4:0> |
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 5 | 1 | BD | 1 | B- | 1 | B+ | 1 |XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
* 6 | BO | BR | BB | BG | BY | 1 |XXXXX|XXXXX|
* -----+-----+-----+-----+-----+-----+-----+-----+-----+
*/
sx = ext[0] & 0x3f;
sy = ext[1] & 0x3f;
tb = ext[2] & 0x1f;
wb = ext[3] & 0x1f;
bd = !(ext[4] & 0x40);
bm = !(ext[4] & 0x10);
bp = !(ext[4] & 0x04);
bo = !(ext[5] & 0x80);
br = !(ext[5] & 0x40);
bb = !(ext[5] & 0x20);
bg = !(ext[5] & 0x10);
by = !(ext[5] & 0x08);
bu = !(ext[5] & 0x01);
if (wdata->state.flags & WIIPROTO_FLAG_MP_ACTIVE) {
bu = !(ext[0] & 0x01);
sx &= 0x3e;
sy &= 0x3e;
}
input_report_abs(wdata->extension.input, ABS_X, sx - 0x20);
input_report_abs(wdata->extension.input, ABS_Y, sy - 0x20);
input_report_abs(wdata->extension.input, ABS_HAT0X, tb);
input_report_abs(wdata->extension.input, ABS_HAT1X, wb - 0x10);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_G],
bg);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_R],
br);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_Y],
by);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_B],
bb);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_O],
bo);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_UP],
bu);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_DOWN],
bd);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_PLUS],
bp);
input_report_key(wdata->extension.input,
wiimod_guitar_map[WIIMOD_GUITAR_KEY_MINUS],
bm);
input_sync(wdata->extension.input);
}
static int wiimod_guitar_open(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags |= WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
return 0;
}
static void wiimod_guitar_close(struct input_dev *dev)
{
struct wiimote_data *wdata = input_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&wdata->state.lock, flags);
wdata->state.flags &= ~WIIPROTO_FLAG_EXT_USED;
wiiproto_req_drm(wdata, WIIPROTO_REQ_NULL);
spin_unlock_irqrestore(&wdata->state.lock, flags);
}
static int wiimod_guitar_probe(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
int ret, i;
wdata->extension.input = input_allocate_device();
if (!wdata->extension.input)
return -ENOMEM;
input_set_drvdata(wdata->extension.input, wdata);
wdata->extension.input->open = wiimod_guitar_open;
wdata->extension.input->close = wiimod_guitar_close;
wdata->extension.input->dev.parent = &wdata->hdev->dev;
wdata->extension.input->id.bustype = wdata->hdev->bus;
wdata->extension.input->id.vendor = wdata->hdev->vendor;
wdata->extension.input->id.product = wdata->hdev->product;
wdata->extension.input->id.version = wdata->hdev->version;
wdata->extension.input->name = WIIMOTE_NAME " Guitar";
set_bit(EV_KEY, wdata->extension.input->evbit);
for (i = 0; i < WIIMOD_GUITAR_KEY_NUM; ++i)
set_bit(wiimod_guitar_map[i],
wdata->extension.input->keybit);
set_bit(EV_ABS, wdata->extension.input->evbit);
set_bit(ABS_X, wdata->extension.input->absbit);
set_bit(ABS_Y, wdata->extension.input->absbit);
set_bit(ABS_HAT0X, wdata->extension.input->absbit);
set_bit(ABS_HAT1X, wdata->extension.input->absbit);
input_set_abs_params(wdata->extension.input,
ABS_X, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_Y, -32, 31, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT0X, 0, 0x1f, 1, 1);
input_set_abs_params(wdata->extension.input,
ABS_HAT1X, 0, 0x0f, 1, 1);
ret = input_register_device(wdata->extension.input);
if (ret)
goto err_free;
return 0;
err_free:
input_free_device(wdata->extension.input);
wdata->extension.input = NULL;
return ret;
}
static void wiimod_guitar_remove(const struct wiimod_ops *ops,
struct wiimote_data *wdata)
{
if (!wdata->extension.input)
return;
input_unregister_device(wdata->extension.input);
wdata->extension.input = NULL;
}
static const struct wiimod_ops wiimod_guitar = {
.flags = 0,
.arg = 0,
.probe = wiimod_guitar_probe,
.remove = wiimod_guitar_remove,
.in_ext = wiimod_guitar_in_ext,
};
/*
* Builtin Motion Plus
* This module simply sets the WIIPROTO_FLAG_BUILTIN_MP protocol flag which
@ -2201,4 +2639,6 @@ const struct wiimod_ops *wiimod_ext_table[WIIMOTE_EXT_NUM] = {
[WIIMOTE_EXT_CLASSIC_CONTROLLER] = &wiimod_classic,
[WIIMOTE_EXT_BALANCE_BOARD] = &wiimod_bboard,
[WIIMOTE_EXT_PRO_CONTROLLER] = &wiimod_pro,
[WIIMOTE_EXT_DRUMS] = &wiimod_drums,
[WIIMOTE_EXT_GUITAR] = &wiimod_guitar,
};

3
drivers/hid/hid-wiimote.h
View file

@ -89,6 +89,8 @@ enum wiimote_exttype {
WIIMOTE_EXT_CLASSIC_CONTROLLER,
WIIMOTE_EXT_BALANCE_BOARD,
WIIMOTE_EXT_PRO_CONTROLLER,
WIIMOTE_EXT_DRUMS,
WIIMOTE_EXT_GUITAR,
WIIMOTE_EXT_NUM,
};
@ -137,6 +139,7 @@ struct wiimote_state {
/* calibration/cache data */
__u16 calib_bboard[4][3];
__s16 calib_pro_sticks[4];
__u8 pressure_drums[7];
__u8 cache_rumble;
};

57
drivers/hid/i2c-hid/i2c-hid.c
View file

@ -1002,18 +1002,18 @@ static int i2c_hid_probe(struct i2c_client *client,
return client->irq;
}
ihid = kzalloc(sizeof(struct i2c_hid), GFP_KERNEL);
ihid = devm_kzalloc(&client->dev, sizeof(*ihid), GFP_KERNEL);
if (!ihid)
return -ENOMEM;
if (client->dev.of_node) {
ret = i2c_hid_of_probe(client, &ihid->pdata);
if (ret)
goto err;
return ret;
} else if (!platform_data) {
ret = i2c_hid_acpi_pdata(client, &ihid->pdata);
if (ret)
goto err;
return ret;
} else {
ihid->pdata = *platform_data;
}
@ -1021,21 +1021,20 @@ static int i2c_hid_probe(struct i2c_client *client,
/* Parse platform agnostic common properties from ACPI / device tree */
i2c_hid_fwnode_probe(client, &ihid->pdata);
ihid->pdata.supply = devm_regulator_get(&client->dev, "vdd");
if (IS_ERR(ihid->pdata.supply)) {
ret = PTR_ERR(ihid->pdata.supply);
if (ret != -EPROBE_DEFER)
dev_err(&client->dev, "Failed to get regulator: %d\n",
ret);
goto err;
}
ihid->pdata.supplies[0].supply = "vdd";
ihid->pdata.supplies[1].supply = "vddl";
ret = devm_regulator_bulk_get(&client->dev,
ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
if (ret)
return ret;
ret = regulator_bulk_enable(ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
if (ret < 0)
return ret;
ret = regulator_enable(ihid->pdata.supply);
if (ret < 0) {
dev_err(&client->dev, "Failed to enable regulator: %d\n",
ret);
goto err;
}
if (ihid->pdata.post_power_delay_ms)
msleep(ihid->pdata.post_power_delay_ms);
@ -1122,11 +1121,9 @@ static int i2c_hid_probe(struct i2c_client *client,
pm_runtime_disable(&client->dev);
err_regulator:
regulator_disable(ihid->pdata.supply);
err:
regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
i2c_hid_free_buffers(ihid);
kfree(ihid);
return ret;
}
@ -1148,9 +1145,8 @@ static int i2c_hid_remove(struct i2c_client *client)
if (ihid->bufsize)
i2c_hid_free_buffers(ihid);
regulator_disable(ihid->pdata.supply);
kfree(ihid);
regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
return 0;
}
@ -1201,9 +1197,8 @@ static int i2c_hid_suspend(struct device *dev)
hid_warn(hid, "Failed to enable irq wake: %d\n",
wake_status);
} else {
ret = regulator_disable(ihid->pdata.supply);
if (ret < 0)
hid_warn(hid, "Failed to disable supply: %d\n", ret);
regulator_bulk_disable(ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
}
return 0;
@ -1218,9 +1213,11 @@ static int i2c_hid_resume(struct device *dev)
int wake_status;
if (!device_may_wakeup(&client->dev)) {
ret = regulator_enable(ihid->pdata.supply);
if (ret < 0)
hid_warn(hid, "Failed to enable supply: %d\n", ret);
ret = regulator_bulk_enable(ARRAY_SIZE(ihid->pdata.supplies),
ihid->pdata.supplies);
if (ret)
hid_warn(hid, "Failed to enable supplies: %d\n", ret);
if (ihid->pdata.post_power_delay_ms)
msleep(ihid->pdata.post_power_delay_ms);
} else if (ihid->irq_wake_enabled) {

7
drivers/hid/intel-ish-hid/ipc/ipc.c
View file

@ -907,7 +907,8 @@ struct ishtp_device *ish_dev_init(struct pci_dev *pdev)
struct ishtp_device *dev;
int i;
dev = kzalloc(sizeof(struct ishtp_device) + sizeof(struct ish_hw),
dev = devm_kzalloc(&pdev->dev,
sizeof(struct ishtp_device) + sizeof(struct ish_hw),
GFP_KERNEL);
if (!dev)
return NULL;
@ -925,7 +926,9 @@ struct ishtp_device *ish_dev_init(struct pci_dev *pdev)
for (i = 0; i < IPC_TX_FIFO_SIZE; ++i) {
struct wr_msg_ctl_info *tx_buf;
tx_buf = kzalloc(sizeof(struct wr_msg_ctl_info), GFP_KERNEL);
tx_buf = devm_kzalloc(&pdev->dev,
sizeof(struct wr_msg_ctl_info),
GFP_KERNEL);
if (!tx_buf) {
/*
* IPC buffers may be limited or not available

13
drivers/hid/intel-ish-hid/ipc/pci-ish.c
View file

@ -95,6 +95,13 @@ static int ish_init(struct ishtp_device *dev)
return 0;
}
static const struct pci_device_id ish_invalid_pci_ids[] = {
/* Mehlow platform special pci ids */
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xA309)},
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xA30A)},
{}
};
/**
* ish_probe() - PCI driver probe callback
* @pdev: pci device
@ -110,6 +117,10 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
struct ish_hw *hw;
int ret;
/* Check for invalid platforms for ISH support */
if (pci_dev_present(ish_invalid_pci_ids))
return -ENODEV;
/* enable pci dev */
ret = pci_enable_device(pdev);
if (ret) {
@ -172,7 +183,6 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
free_irq(pdev->irq, dev);
free_device:
pci_iounmap(pdev, hw->mem_addr);
kfree(dev);
release_regions:
pci_release_regions(pdev);
disable_device:
@ -202,7 +212,6 @@ static void ish_remove(struct pci_dev *pdev)
pci_release_regions(pdev);
pci_clear_master(pdev);
pci_disable_device(pdev);
kfree(ishtp_dev);
}
static struct device __maybe_unused *ish_resume_device;

2
drivers/hid/intel-ish-hid/ishtp/hbm.c
View file

@ -298,7 +298,6 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev,
struct ishtp_msg_hdr *ishtp_hdr = &hdr;
const size_t len = sizeof(struct hbm_flow_control);
int rv;
unsigned int num_frags;
unsigned long flags;
spin_lock_irqsave(&cl->fc_spinlock, flags);
@ -314,7 +313,6 @@ int ishtp_hbm_cl_flow_control_req(struct ishtp_device *dev,
return 0;
}
num_frags = cl->recv_msg_num_frags;
cl->recv_msg_num_frags = 0;
rv = ishtp_write_message(dev, ishtp_hdr, data);

7
drivers/hid/usbhid/hid-core.c
View file

@ -480,6 +480,7 @@ static void hid_ctrl(struct urb *urb)
{
struct hid_device *hid = urb->context;
struct usbhid_device *usbhid = hid->driver_data;
unsigned long flags;
int unplug = 0, status = urb->status;
switch (status) {
@ -501,7 +502,7 @@ static void hid_ctrl(struct urb *urb)
hid_warn(urb->dev, "ctrl urb status %d received\n", status);
}
spin_lock(&usbhid->lock);
spin_lock_irqsave(&usbhid->lock, flags);
if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
@ -511,13 +512,13 @@ static void hid_ctrl(struct urb *urb)
if (usbhid->ctrlhead != usbhid->ctrltail &&
hid_submit_ctrl(hid) == 0) {
/* Successfully submitted next urb in queue */
spin_unlock(&usbhid->lock);
spin_unlock_irqrestore(&usbhid->lock, flags);
return;
}
}
clear_bit(HID_CTRL_RUNNING, &usbhid->iofl);
spin_unlock(&usbhid->lock);
spin_unlock_irqrestore(&usbhid->lock, flags);
usb_autopm_put_interface_async(usbhid->intf);
wake_up(&usbhid->wait);
}

123
drivers/hid/wacom_sys.c
View file

@ -210,6 +210,57 @@ static int wacom_calc_hid_res(int logical_extents, int physical_extents,
return hidinput_calc_abs_res(&field, ABS_X);
}
static void wacom_hid_usage_quirk(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
struct wacom *wacom = hid_get_drvdata(hdev);
struct wacom_features *features = &wacom->wacom_wac.features;
unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
/*
* The Dell Canvas 27 needs to be switched to its vendor-defined
* report to provide the best resolution.
*/
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x4200 &&
field->application == HID_UP_MSVENDOR) {
wacom->wacom_wac.mode_report = field->report->id;
wacom->wacom_wac.mode_value = 2;
}
/*
* ISDv4 devices which predate HID's adoption of the
* HID_DG_BARELSWITCH2 usage use 0x000D0000 in its
* position instead. We can accurately detect if a
* usage with that value should be HID_DG_BARRELSWITCH2
* based on the surrounding usages, which have remained
* constant across generations.
*/
if (features->type == HID_GENERIC &&
usage->hid == 0x000D0000 &&
field->application == HID_DG_PEN &&
field->physical == HID_DG_STYLUS) {
int i = usage->usage_index;
if (i-4 >= 0 && i+1 < field->maxusage &&
field->usage[i-4].hid == HID_DG_TIPSWITCH &&
field->usage[i-3].hid == HID_DG_BARRELSWITCH &&
field->usage[i-2].hid == HID_DG_ERASER &&
field->usage[i-1].hid == HID_DG_INVERT &&
field->usage[i+1].hid == HID_DG_INRANGE) {
usage->hid = HID_DG_BARRELSWITCH2;
}
}
/* 2nd-generation Intuos Pro Large has incorrect Y maximum */
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x0358 &&
WACOM_PEN_FIELD(field) &&
equivalent_usage == HID_GD_Y) {
field->logical_maximum = 43200;
}
}
static void wacom_feature_mapping(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage)
{
@ -221,6 +272,8 @@ static void wacom_feature_mapping(struct hid_device *hdev,
int ret;
u32 n;
wacom_hid_usage_quirk(hdev, field, usage);
switch (equivalent_usage) {
case HID_DG_CONTACTMAX:
/* leave touch_max as is if predefined */
@ -300,13 +353,6 @@ static void wacom_feature_mapping(struct hid_device *hdev,
kfree(data);
break;
}
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x4200 /* Dell Canvas 27 */ &&
field->application == HID_UP_MSVENDOR) {
wacom->wacom_wac.mode_report = field->report->id;
wacom->wacom_wac.mode_value = 2;
}
}
/*
@ -348,6 +394,7 @@ static void wacom_usage_mapping(struct hid_device *hdev,
struct wacom_features *features = &wacom->wacom_wac.features;
bool finger = WACOM_FINGER_FIELD(field);
bool pen = WACOM_PEN_FIELD(field);
unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
/*
* Requiring Stylus Usage will ignore boot mouse
@ -361,49 +408,9 @@ static void wacom_usage_mapping(struct hid_device *hdev,
else
return;
/*
* Bamboo models do not support HID_DG_CONTACTMAX.
* And, Bamboo Pen only descriptor contains touch.
*/
if (features->type > BAMBOO_PT) {
/* ISDv4 touch devices at least supports one touch point */
if (finger && !features->touch_max)
features->touch_max = 1;
}
wacom_hid_usage_quirk(hdev, field, usage);
/*
* ISDv4 devices which predate HID's adoption of the
* HID_DG_BARELSWITCH2 usage use 0x000D0000 in its
* position instead. We can accurately detect if a
* usage with that value should be HID_DG_BARRELSWITCH2
* based on the surrounding usages, which have remained
* constant across generations.
*/
if (features->type == HID_GENERIC &&
usage->hid == 0x000D0000 &&
field->application == HID_DG_PEN &&
field->physical == HID_DG_STYLUS) {
int i = usage->usage_index;
if (i-4 >= 0 && i+1 < field->maxusage &&
field->usage[i-4].hid == HID_DG_TIPSWITCH &&
field->usage[i-3].hid == HID_DG_BARRELSWITCH &&
field->usage[i-2].hid == HID_DG_ERASER &&
field->usage[i-1].hid == HID_DG_INVERT &&
field->usage[i+1].hid == HID_DG_INRANGE) {
usage->hid = HID_DG_BARRELSWITCH2;
}
}
/* 2nd-generation Intuos Pro Large has incorrect Y maximum */
if (hdev->vendor == USB_VENDOR_ID_WACOM &&
hdev->product == 0x0358 &&
WACOM_PEN_FIELD(field) &&
wacom_equivalent_usage(usage->hid) == HID_GD_Y) {
field->logical_maximum = 43200;
}
switch (usage->hid) {
switch (equivalent_usage) {
case HID_GD_X:
features->x_max = field->logical_maximum;
if (finger) {
@ -703,18 +710,6 @@ struct wacom_hdev_data {
static LIST_HEAD(wacom_udev_list);
static DEFINE_MUTEX(wacom_udev_list_lock);
static bool compare_device_paths(struct hid_device *hdev_a,
struct hid_device *hdev_b, char separator)
{
int n1 = strrchr(hdev_a->phys, separator) - hdev_a->phys;
int n2 = strrchr(hdev_b->phys, separator) - hdev_b->phys;
if (n1 != n2 || n1 <= 0 || n2 <= 0)
return false;
return !strncmp(hdev_a->phys, hdev_b->phys, n1);
}
static bool wacom_are_sibling(struct hid_device *hdev,
struct hid_device *sibling)
{
@ -737,10 +732,10 @@ static bool wacom_are_sibling(struct hid_device *hdev,
* the same physical parent device path.
*/
if (hdev->vendor == sibling->vendor && hdev->product == sibling->product) {
if (!compare_device_paths(hdev, sibling, '/'))
if (!hid_compare_device_paths(hdev, sibling, '/'))
return false;
} else {
if (!compare_device_paths(hdev, sibling, '.'))
if (!hid_compare_device_paths(hdev, sibling, '.'))
return false;
}
@ -787,7 +782,7 @@ static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev)
/* Try to find an already-probed interface from the same device */
list_for_each_entry(data, &wacom_udev_list, list) {
if (compare_device_paths(hdev, data->dev, '/')) {
if (hid_compare_device_paths(hdev, data->dev, '/')) {
kref_get(&data->kref);
return data;
}

20
drivers/hid/wacom_wac.c
View file

@ -4357,19 +4357,19 @@ static const struct wacom_features wacom_features_0x5E =
.check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
static const struct wacom_features wacom_features_0x90 =
{ "Wacom ISDv4 90", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x93 =
{ "Wacom ISDv4 93", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0x97 =
{ "Wacom ISDv4 97", 26202, 16325, 511, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x9A =
{ "Wacom ISDv4 9A", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0x9F =
{ "Wacom ISDv4 9F", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0xE2 =
{ "Wacom ISDv4 E2", 26202, 16325, 255, 0,
TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
@ -4384,13 +4384,13 @@ static const struct wacom_features wacom_features_0xE6 =
TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
static const struct wacom_features wacom_features_0xEC =
{ "Wacom ISDv4 EC", 25710, 14500, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0xED =
{ "Wacom ISDv4 ED", 26202, 16325, 255, 0,
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0xEF =
{ "Wacom ISDv4 EF", 26202, 16325, 255, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x100 =
{ "Wacom ISDv4 100", 26202, 16325, 255, 0,
MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@ -4408,10 +4408,10 @@ static const struct wacom_features wacom_features_0x10F =
MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
static const struct wacom_features wacom_features_0x116 =
{ "Wacom ISDv4 116", 26202, 16325, 255, 0,
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
static const struct wacom_features wacom_features_0x12C =
{ "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
static const struct wacom_features wacom_features_0x4001 =
{ "Wacom ISDv4 4001", 26202, 16325, 255, 0,
MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };

17
include/linux/hid.h
View file

@ -190,6 +190,12 @@ struct hid_item {
* http://www.usb.org/developers/hidpage/HUTRR40RadioHIDUsagesFinal.pdf
*/
#define HID_GD_WIRELESS_RADIO_CTLS 0x0001000c
/*
* System Multi-Axis, see:
* http://www.usb.org/developers/hidpage/HUTRR62_-_Generic_Desktop_CA_for_System_Multi-Axis_Controllers.txt
*/
#define HID_GD_SYSTEM_MULTIAXIS 0x0001000e
#define HID_GD_X 0x00010030
#define HID_GD_Y 0x00010031
#define HID_GD_Z 0x00010032
@ -638,12 +644,13 @@ static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
struct hid_parser {
struct hid_global global;
struct hid_global global_stack[HID_GLOBAL_STACK_SIZE];
unsigned global_stack_ptr;
unsigned int global_stack_ptr;
struct hid_local local;
unsigned collection_stack[HID_COLLECTION_STACK_SIZE];
unsigned collection_stack_ptr;
unsigned int *collection_stack;
unsigned int collection_stack_ptr;
unsigned int collection_stack_size;
struct hid_device *device;
unsigned scan_flags;
unsigned int scan_flags;
};
struct hid_class_descriptor {
@ -894,6 +901,8 @@ const struct hid_device_id *hid_match_id(const struct hid_device *hdev,
const struct hid_device_id *id);
const struct hid_device_id *hid_match_device(struct hid_device *hdev,
struct hid_driver *hdrv);
bool hid_compare_device_paths(struct hid_device *hdev_a,
struct hid_device *hdev_b, char separator);
s32 hid_snto32(__u32 value, unsigned n);
__u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
unsigned offset, unsigned n);

7
include/linux/platform_data/i2c-hid.h
View file

@ -12,14 +12,13 @@
#ifndef __LINUX_I2C_HID_H
#define __LINUX_I2C_HID_H
#include <linux/regulator/consumer.h>
#include <linux/types.h>
struct regulator;
/**
* struct i2chid_platform_data - used by hid over i2c implementation.
* @hid_descriptor_address: i2c register where the HID descriptor is stored.
* @supply: regulator for powering on the device.
* @supplies: regulators for powering on the device.
* @post_power_delay_ms: delay after powering on before device is usable.
*
* Note that it is the responsibility of the platform driver (or the acpi 5.0
@ -35,7 +34,7 @@ struct regulator;
*/
struct i2c_hid_platform_data {
u16 hid_descriptor_address;
struct regulator *supply;
struct regulator_bulk_data supplies[2];
int post_power_delay_ms;
};

9
include/uapi/linux/input.h
View file

@ -270,10 +270,11 @@ struct input_mask {
/*
* MT_TOOL types
*/
#define MT_TOOL_FINGER 0
#define MT_TOOL_PEN 1
#define MT_TOOL_PALM 2
#define MT_TOOL_MAX 2
#define MT_TOOL_FINGER 0x00
#define MT_TOOL_PEN 0x01
#define MT_TOOL_PALM 0x02
#define MT_TOOL_DIAL 0x0a
#define MT_TOOL_MAX 0x0f
/*
* Values describing the status of a force-feedback effect