/*
* Copyright (c) 2000-2001 Vojtech Pavlik
* Copyright (c) 2006-2010 Jiri Kosina
+ * Copyright (c) 2014 NVIDIA Corporation. All rights reserved.
*
* HID to Linux Input mapping
*/
#include <linux/hid.h>
#include <linux/hid-debug.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/hid-input.h>
+
+#include "hid-ids.h"
+
#define unk KEY_UNKNOWN
static const unsigned char hid_keyboard[256] = {
72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
- 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+ 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
- unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
+ unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk,
29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
};
#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
&max, EV_KEY, (c))
-static inline int match_scancode(unsigned int code, unsigned int scancode)
+static bool match_scancode(struct hid_usage *usage,
+ unsigned int cur_idx, unsigned int scancode)
{
- if (scancode == 0)
- return 1;
-
- return (code & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
+ return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
}
-static inline int match_keycode(unsigned int code, unsigned int keycode)
+static bool match_keycode(struct hid_usage *usage,
+ unsigned int cur_idx, unsigned int keycode)
{
- if (keycode == 0)
- return 1;
+ /*
+ * We should exclude unmapped usages when doing lookup by keycode.
+ */
+ return (usage->type == EV_KEY && usage->code == keycode);
+}
- return code == keycode;
+static bool match_index(struct hid_usage *usage,
+ unsigned int cur_idx, unsigned int idx)
+{
+ return cur_idx == idx;
}
+typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
+ unsigned int cur_idx, unsigned int val);
+
static struct hid_usage *hidinput_find_key(struct hid_device *hid,
- unsigned int scancode,
- unsigned int keycode)
+ hid_usage_cmp_t match,
+ unsigned int value,
+ unsigned int *usage_idx)
{
- int i, j, k;
+ unsigned int i, j, k, cur_idx = 0;
struct hid_report *report;
struct hid_usage *usage;
for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
for (i = 0; i < report->maxfield; i++) {
- for ( j = 0; j < report->field[i]->maxusage; j++) {
+ for (j = 0; j < report->field[i]->maxusage; j++) {
usage = report->field[i]->usage + j;
- if (usage->type == EV_KEY &&
- match_scancode(usage->hid, scancode) &&
- match_keycode(usage->code, keycode))
- return usage;
+ if (usage->type == EV_KEY || usage->type == 0) {
+ if (match(usage, cur_idx, value)) {
+ if (usage_idx)
+ *usage_idx = cur_idx;
+ return usage;
+ }
+ cur_idx++;
+ }
}
}
}
return NULL;
}
+static struct hid_usage *hidinput_locate_usage(struct hid_device *hid,
+ const struct input_keymap_entry *ke,
+ unsigned int *index)
+{
+ struct hid_usage *usage;
+ unsigned int scancode;
+
+ if (ke->flags & INPUT_KEYMAP_BY_INDEX)
+ usage = hidinput_find_key(hid, match_index, ke->index, index);
+ else if (input_scancode_to_scalar(ke, &scancode) == 0)
+ usage = hidinput_find_key(hid, match_scancode, scancode, index);
+ else
+ usage = NULL;
+
+ return usage;
+}
+
static int hidinput_getkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int *keycode)
+ struct input_keymap_entry *ke)
{
struct hid_device *hid = input_get_drvdata(dev);
struct hid_usage *usage;
+ unsigned int scancode, index;
- usage = hidinput_find_key(hid, scancode, 0);
+ usage = hidinput_locate_usage(hid, ke, &index);
if (usage) {
- *keycode = usage->code;
+ ke->keycode = usage->type == EV_KEY ?
+ usage->code : KEY_RESERVED;
+ ke->index = index;
+ scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE);
+ ke->len = sizeof(scancode);
+ memcpy(ke->scancode, &scancode, sizeof(scancode));
return 0;
}
+
return -EINVAL;
}
static int hidinput_setkeycode(struct input_dev *dev,
- unsigned int scancode, unsigned int keycode)
+ const struct input_keymap_entry *ke,
+ unsigned int *old_keycode)
{
struct hid_device *hid = input_get_drvdata(dev);
struct hid_usage *usage;
- int old_keycode;
- usage = hidinput_find_key(hid, scancode, 0);
+ usage = hidinput_locate_usage(hid, ke, NULL);
if (usage) {
- old_keycode = usage->code;
- usage->code = keycode;
+ *old_keycode = usage->type == EV_KEY ?
+ usage->code : KEY_RESERVED;
+ usage->code = ke->keycode;
- clear_bit(old_keycode, dev->keybit);
+ clear_bit(*old_keycode, dev->keybit);
set_bit(usage->code, dev->keybit);
- dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode);
- /* Set the keybit for the old keycode if the old keycode is used
- * by another key */
- if (hidinput_find_key (hid, 0, old_keycode))
- set_bit(old_keycode, dev->keybit);
+ dbg_hid("Assigned keycode %d to HID usage code %x\n",
+ usage->code, usage->hid);
+
+ /*
+ * Set the keybit for the old keycode if the old keycode is used
+ * by another key
+ */
+ if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL))
+ set_bit(*old_keycode, dev->keybit);
return 0;
}
return -EINVAL;
}
+/**
+ * hidinput_calc_abs_res - calculate an absolute axis resolution
+ * @field: the HID report field to calculate resolution for
+ * @code: axis code
+ *
+ * The formula is:
+ * (logical_maximum - logical_minimum)
+ * resolution = ----------------------------------------------------------
+ * (physical_maximum - physical_minimum) * 10 ^ unit_exponent
+ *
+ * as seen in the HID specification v1.11 6.2.2.7 Global Items.
+ *
+ * Only exponent 1 length units are processed. Centimeters and inches are
+ * converted to millimeters. Degrees are converted to radians.
+ */
+__s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
+{
+ __s32 unit_exponent = field->unit_exponent;
+ __s32 logical_extents = field->logical_maximum -
+ field->logical_minimum;
+ __s32 physical_extents = field->physical_maximum -
+ field->physical_minimum;
+ __s32 prev;
+
+ /* Check if the extents are sane */
+ if (logical_extents <= 0 || physical_extents <= 0)
+ return 0;
+
+ /*
+ * Verify and convert units.
+ * See HID specification v1.11 6.2.2.7 Global Items for unit decoding
+ */
+ switch (code) {
+ case ABS_X:
+ case ABS_Y:
+ case ABS_Z:
+ case ABS_MT_POSITION_X:
+ case ABS_MT_POSITION_Y:
+ case ABS_MT_TOOL_X:
+ case ABS_MT_TOOL_Y:
+ case ABS_MT_TOUCH_MAJOR:
+ case ABS_MT_TOUCH_MINOR:
+ if (field->unit & 0xffffff00) /* Not a length */
+ return 0;
+ unit_exponent += hid_snto32(field->unit >> 4, 4) - 1;
+ switch (field->unit & 0xf) {
+ case 0x1: /* If centimeters */
+ /* Convert to millimeters */
+ unit_exponent += 1;
+ break;
+ case 0x3: /* If inches */
+ /* Convert to millimeters */
+ prev = physical_extents;
+ physical_extents *= 254;
+ if (physical_extents < prev)
+ return 0;
+ unit_exponent -= 1;
+ break;
+ default:
+ return 0;
+ }
+ break;
+
+ case ABS_RX:
+ case ABS_RY:
+ case ABS_RZ:
+ case ABS_TILT_X:
+ case ABS_TILT_Y:
+ if (field->unit == 0x14) { /* If degrees */
+ /* Convert to radians */
+ prev = logical_extents;
+ logical_extents *= 573;
+ if (logical_extents < prev)
+ return 0;
+ unit_exponent += 1;
+ } else if (field->unit != 0x12) { /* If not radians */
+ return 0;
+ }
+ break;
+
+ default:
+ return 0;
+ }
+
+ /* Apply negative unit exponent */
+ for (; unit_exponent < 0; unit_exponent++) {
+ prev = logical_extents;
+ logical_extents *= 10;
+ if (logical_extents < prev)
+ return 0;
+ }
+ /* Apply positive unit exponent */
+ for (; unit_exponent > 0; unit_exponent--) {
+ prev = physical_extents;
+ physical_extents *= 10;
+ if (physical_extents < prev)
+ return 0;
+ }
+
+ /* Calculate resolution */
+ return DIV_ROUND_CLOSEST(logical_extents, physical_extents);
+}
+EXPORT_SYMBOL_GPL(hidinput_calc_abs_res);
+
+#ifdef CONFIG_HID_BATTERY_STRENGTH
+static enum power_supply_property hidinput_battery_props[] = {
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_SCOPE,
+};
+
+#define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */
+#define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */
+
+static const struct hid_device_id hid_battery_quirks[] = {
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
+ HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
+ HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO),
+ HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
+ HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+ {}
+};
+
+static unsigned find_battery_quirk(struct hid_device *hdev)
+{
+ unsigned quirks = 0;
+ const struct hid_device_id *match;
+
+ match = hid_match_id(hdev, hid_battery_quirks);
+ if (match != NULL)
+ quirks = match->driver_data;
+
+ return quirks;
+}
+
+static int hidinput_get_battery_property(struct power_supply *psy,
+ enum power_supply_property prop,
+ union power_supply_propval *val)
+{
+ struct hid_device *dev = container_of(psy, struct hid_device, battery);
+ int ret = 0;
+ __u8 *buf;
+
+ switch (prop) {
+ case POWER_SUPPLY_PROP_PRESENT:
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = 1;
+ break;
+
+ case POWER_SUPPLY_PROP_CAPACITY:
+
+ buf = kmalloc(2 * sizeof(__u8), GFP_KERNEL);
+ if (!buf) {
+ ret = -ENOMEM;
+ break;
+ }
+ ret = dev->hid_get_raw_report(dev, dev->battery_report_id,
+ buf, 2,
+ dev->battery_report_type);
+
+ if (ret != 2) {
+ if (ret >= 0)
+ ret = -EINVAL;
+ kfree(buf);
+ break;
+ }
+
+ if (dev->battery_min < dev->battery_max &&
+ buf[1] >= dev->battery_min &&
+ buf[1] <= dev->battery_max)
+ val->intval = (100 * (buf[1] - dev->battery_min)) /
+ (dev->battery_max - dev->battery_min);
+ kfree(buf);
+ break;
+
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ val->strval = dev->name;
+ break;
+
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+
+ case POWER_SUPPLY_PROP_SCOPE:
+ val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+ break;
+
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field)
+{
+ struct power_supply *battery = &dev->battery;
+ int ret;
+ unsigned quirks;
+ s32 min, max;
+
+ if (field->usage->hid != HID_DC_BATTERYSTRENGTH)
+ return false; /* no match */
+
+ if (battery->name != NULL)
+ goto out; /* already initialized? */
+
+ battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
+ if (battery->name == NULL)
+ goto out;
+
+ battery->type = POWER_SUPPLY_TYPE_BATTERY;
+ battery->properties = hidinput_battery_props;
+ battery->num_properties = ARRAY_SIZE(hidinput_battery_props);
+ battery->use_for_apm = 0;
+ battery->get_property = hidinput_get_battery_property;
+
+ quirks = find_battery_quirk(dev);
+
+ hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
+ dev->bus, dev->vendor, dev->product, dev->version, quirks);
+
+ min = field->logical_minimum;
+ max = field->logical_maximum;
+
+ if (quirks & HID_BATTERY_QUIRK_PERCENT) {
+ min = 0;
+ max = 100;
+ }
+
+ if (quirks & HID_BATTERY_QUIRK_FEATURE)
+ report_type = HID_FEATURE_REPORT;
+
+ dev->battery_min = min;
+ dev->battery_max = max;
+ dev->battery_report_type = report_type;
+ dev->battery_report_id = field->report->id;
+
+ ret = power_supply_register(&dev->dev, battery);
+ if (ret != 0) {
+ hid_warn(dev, "can't register power supply: %d\n", ret);
+ kfree(battery->name);
+ battery->name = NULL;
+ }
+
+ power_supply_powers(battery, &dev->dev);
+
+out:
+ return true;
+}
+
+static void hidinput_cleanup_battery(struct hid_device *dev)
+{
+ if (!dev->battery.name)
+ return;
+
+ power_supply_unregister(&dev->battery);
+ kfree(dev->battery.name);
+ dev->battery.name = NULL;
+}
+#else /* !CONFIG_HID_BATTERY_STRENGTH */
+static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
+ struct hid_field *field)
+{
+ return false;
+}
+
+static void hidinput_cleanup_battery(struct hid_device *dev)
+{
+}
+#endif /* CONFIG_HID_BATTERY_STRENGTH */
static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
struct hid_usage *usage)
if (field->flags & HID_MAIN_ITEM_CONSTANT)
goto ignore;
+ /* Ignore if report count is out of bounds. */
+ if (field->report_count < 1)
+ goto ignore;
+
/* only LED usages are supported in output fields */
if (field->report_type == HID_OUTPUT_REPORT &&
(usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
switch (field->application) {
case HID_GD_MOUSE:
- case HID_GD_POINTER: code += 0x110; break;
+ case HID_GD_POINTER: code += BTN_MOUSE; break;
case HID_GD_JOYSTICK:
if (code <= 0xf)
code += BTN_JOYSTICK;
else
- code += BTN_TRIGGER_HAPPY;
+ code += BTN_TRIGGER_HAPPY - 0x10;
+ break;
+ case HID_GD_GAMEPAD:
+ if (code <= 0xf)
+ code += BTN_GAMEPAD;
+ else
+ code += BTN_TRIGGER_HAPPY - 0x10;
break;
- case HID_GD_GAMEPAD: code += 0x130; break;
default:
switch (field->physical) {
case HID_GD_MOUSE:
- case HID_GD_POINTER: code += 0x110; break;
- case HID_GD_JOYSTICK: code += 0x120; break;
- case HID_GD_GAMEPAD: code += 0x130; break;
- default: code += 0x100;
+ case HID_GD_POINTER: code += BTN_MOUSE; break;
+ case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break;
+ case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
+ default: code += BTN_MISC;
}
}
case 0x1: map_key_clear(KEY_POWER); break;
case 0x2: map_key_clear(KEY_SLEEP); break;
case 0x3: map_key_clear(KEY_WAKEUP); break;
+ case 0x4: map_key_clear(KEY_CONTEXT_MENU); break;
+ case 0x5: map_key_clear(KEY_MENU); break;
+ case 0x6: map_key_clear(KEY_PROG1); break;
+ case 0x7: map_key_clear(KEY_HELP); break;
+ case 0x8: map_key_clear(KEY_EXIT); break;
+ case 0x9: map_key_clear(KEY_SELECT); break;
+ case 0xa: map_key_clear(KEY_RIGHT); break;
+ case 0xb: map_key_clear(KEY_LEFT); break;
+ case 0xc: map_key_clear(KEY_UP); break;
+ case 0xd: map_key_clear(KEY_DOWN); break;
+ case 0xe: map_key_clear(KEY_POWER2); break;
+ case 0xf: map_key_clear(KEY_RESTART); break;
default: goto unknown;
}
break;
map_key_clear(BTN_TOOL_RUBBER);
break;
+ case 0x3d: /* X Tilt */
+ map_abs_clear(ABS_TILT_X);
+ break;
+
+ case 0x3e: /* Y Tilt */
+ map_abs_clear(ABS_TILT_Y);
+ break;
+
case 0x33: /* Touch */
case 0x42: /* TipSwitch */
case 0x43: /* TipSwitch2 */
map_key_clear(BTN_STYLUS);
break;
+ case 0x46: /* TabletPick */
+ map_key_clear(BTN_STYLUS2);
+ break;
+
default: goto unknown;
}
break;
- case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */
+ case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */
switch (usage->hid & HID_USAGE) {
case 0x000: goto ignore;
+ case 0x030: map_key_clear(KEY_POWER); break;
+ case 0x031: map_key_clear(KEY_RESTART); break;
+ case 0x032: map_key_clear(KEY_SLEEP); break;
case 0x034: map_key_clear(KEY_SLEEP); break;
+ case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break;
case 0x036: map_key_clear(BTN_MISC); break;
- case 0x040: map_key_clear(KEY_MENU); break;
- case 0x045: map_key_clear(KEY_RADIO); break;
-
+ case 0x040: map_key_clear(KEY_MENU); break; /* Menu */
+ case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */
+ case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */
+ case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */
+ case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */
+ case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */
+ case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */
+ case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */
+ case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */
+
+ case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */
+ case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */
+ case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */
+ case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */
+ case 0x069: map_key_clear(KEY_RED); break;
+ case 0x06a: map_key_clear(KEY_GREEN); break;
+ case 0x06b: map_key_clear(KEY_BLUE); break;
+ case 0x06c: map_key_clear(KEY_YELLOW); break;
+ case 0x06d: map_key_clear(KEY_ZOOM); break;
+
+ case 0x06f: map_key_clear(KEY_BRIGHTNESSUP); break;
+ case 0x070: map_key_clear(KEY_BRIGHTNESSDOWN); break;
+ case 0x072: map_key_clear(KEY_BRIGHTNESS_TOGGLE); break;
+ case 0x073: map_key_clear(KEY_BRIGHTNESS_MIN); break;
+ case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break;
+ case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break;
+
+ case 0x082: map_key_clear(KEY_VIDEO_NEXT); break;
case 0x083: map_key_clear(KEY_LAST); break;
+ case 0x084: map_key_clear(KEY_ENTER); break;
case 0x088: map_key_clear(KEY_PC); break;
case 0x089: map_key_clear(KEY_TV); break;
case 0x08a: map_key_clear(KEY_WWW); break;
case 0x0b7: map_key_clear(KEY_STOPCD); break;
case 0x0b8: map_key_clear(KEY_EJECTCD); break;
case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
+ case 0x0b9: map_key_clear(KEY_SHUFFLE); break;
+ case 0x0bf: map_key_clear(KEY_SLOW); break;
case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
+ case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break;
case 0x0e0: map_abs_clear(ABS_VOLUME); break;
case 0x0e2: map_key_clear(KEY_MUTE); break;
case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
+ case 0x0f5: map_key_clear(KEY_SLOW); break;
+ case 0x181: map_key_clear(KEY_BUTTONCONFIG); break;
case 0x182: map_key_clear(KEY_BOOKMARKS); break;
case 0x183: map_key_clear(KEY_CONFIG); break;
case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
case 0x18e: map_key_clear(KEY_CALENDAR); break;
+ case 0x18f: map_key_clear(KEY_TASKMANAGER); break;
+ case 0x190: map_key_clear(KEY_JOURNAL); break;
case 0x191: map_key_clear(KEY_FINANCE); break;
case 0x192: map_key_clear(KEY_CALC); break;
+ case 0x193: map_key_clear(KEY_PLAYER); break;
case 0x194: map_key_clear(KEY_FILE); break;
case 0x196: map_key_clear(KEY_WWW); break;
case 0x199: map_key_clear(KEY_CHAT); break;
case 0x19c: map_key_clear(KEY_LOGOFF); break;
case 0x19e: map_key_clear(KEY_COFFEE); break;
+ case 0x19f: map_key_clear(KEY_CONTROLPANEL); break;
+ case 0x1a2: map_key_clear(KEY_APPSELECT); break;
+ case 0x1a3: map_key_clear(KEY_NEXT); break;
+ case 0x1a4: map_key_clear(KEY_PREVIOUS); break;
case 0x1a6: map_key_clear(KEY_HELP); break;
case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
- case 0x1b6: map_key_clear(KEY_MEDIA); break;
- case 0x1b7: map_key_clear(KEY_SOUND); break;
+ case 0x1ae: map_key_clear(KEY_KEYBOARD); break;
+ case 0x1b1: map_key_clear(KEY_SCREENSAVER); break;
+ case 0x1b4: map_key_clear(KEY_FILE); break;
+ case 0x1b6: map_key_clear(KEY_IMAGES); break;
+ case 0x1b7: map_key_clear(KEY_AUDIO); break;
+ case 0x1b8: map_key_clear(KEY_VIDEO); break;
case 0x1bc: map_key_clear(KEY_MESSENGER); break;
case 0x1bd: map_key_clear(KEY_INFO); break;
case 0x201: map_key_clear(KEY_NEW); break;
case 0x233: map_key_clear(KEY_SCROLLUP); break;
case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
case 0x238: map_rel(REL_HWHEEL); break;
+ case 0x23d: map_key_clear(KEY_EDIT); break;
case 0x25f: map_key_clear(KEY_CANCEL); break;
+ case 0x269: map_key_clear(KEY_INSERT); break;
+ case 0x26a: map_key_clear(KEY_DELETE); break;
case 0x279: map_key_clear(KEY_REDO); break;
case 0x289: map_key_clear(KEY_REPLY); break;
}
break;
+ case HID_UP_GENDEVCTRLS:
+ if (hidinput_setup_battery(device, HID_INPUT_REPORT, field))
+ goto ignore;
+ else
+ goto unknown;
+ break;
+
case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
set_bit(EV_REP, input->evbit);
switch (usage->hid & HID_USAGE) {
}
break;
+ case HID_UP_HPVENDOR2:
+ set_bit(EV_REP, input->evbit);
+ switch (usage->hid & HID_USAGE) {
+ case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break;
+ case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break;
+ default: goto ignore;
+ }
+ break;
+
case HID_UP_MSVENDOR:
goto ignore;
input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
else input_set_abs_params(input, usage->code, a, b, 0, 0);
+ input_abs_set_res(input, usage->code,
+ hidinput_calc_abs_res(field, usage->code));
+
+ /* use a larger default input buffer for MT devices */
+ if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
+ input_set_events_per_packet(input, 60);
}
if (usage->type == EV_ABS &&
if (!usage->type)
return;
+ trace_hidinput_hid_event("hid_event");
+
if (usage->hat_min < usage->hat_max || usage->hat_dir) {
int hat_dir = usage->hat_dir;
if (!hat_dir)
return;
}
+ /*
+ * Ignore out-of-range values as per HID specification,
+ * section 5.10 and 6.2.25
+ */
+ if ((field->flags & HID_MAIN_ITEM_VARIABLE) &&
+ (value < field->logical_minimum ||
+ value > field->logical_maximum)) {
+ dbg_hid("Ignoring out-of-range value %x\n", value);
+ return;
+ }
+
/* report the usage code as scancode if the key status has changed */
if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
input_event(input, EV_MSC, MSC_SCAN, usage->hid);
{
struct hid_input *hidinput;
+ if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
+ return;
+
list_for_each_entry(hidinput, &hid->inputs, list)
input_sync(hidinput->input);
}
}
EXPORT_SYMBOL_GPL(hidinput_find_field);
+struct hid_field *hidinput_get_led_field(struct hid_device *hid)
+{
+ struct hid_report *report;
+ struct hid_field *field;
+ int i, j;
+
+ list_for_each_entry(report,
+ &hid->report_enum[HID_OUTPUT_REPORT].report_list,
+ list) {
+ for (i = 0; i < report->maxfield; i++) {
+ field = report->field[i];
+ for (j = 0; j < field->maxusage; j++)
+ if (field->usage[j].type == EV_LED)
+ return field;
+ }
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(hidinput_get_led_field);
+
+unsigned int hidinput_count_leds(struct hid_device *hid)
+{
+ struct hid_report *report;
+ struct hid_field *field;
+ int i, j;
+ unsigned int count = 0;
+
+ list_for_each_entry(report,
+ &hid->report_enum[HID_OUTPUT_REPORT].report_list,
+ list) {
+ for (i = 0; i < report->maxfield; i++) {
+ field = report->field[i];
+ for (j = 0; j < field->maxusage; j++)
+ if (field->usage[j].type == EV_LED &&
+ field->value[j])
+ count += 1;
+ }
+ }
+ return count;
+}
+EXPORT_SYMBOL_GPL(hidinput_count_leds);
+
static int hidinput_open(struct input_dev *dev)
{
struct hid_device *hid = input_get_drvdata(dev);
- return hid->ll_driver->open(hid);
+ return hid_hw_open(hid);
}
static void hidinput_close(struct input_dev *dev)
{
struct hid_device *hid = input_get_drvdata(dev);
- hid->ll_driver->close(hid);
+ hid_hw_close(hid);
+}
+
+static void report_features(struct hid_device *hid)
+{
+ struct hid_driver *drv = hid->driver;
+ struct hid_report_enum *rep_enum;
+ struct hid_report *rep;
+ int i, j;
+
+ rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
+ list_for_each_entry(rep, &rep_enum->report_list, list)
+ for (i = 0; i < rep->maxfield; i++) {
+ /* Ignore if report count is out of bounds. */
+ if (rep->field[i]->report_count < 1)
+ continue;
+
+ for (j = 0; j < rep->field[i]->maxusage; j++) {
+ /* Verify if Battery Strength feature is available */
+ hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]);
+
+ if (drv->feature_mapping)
+ drv->feature_mapping(hid, rep->field[i],
+ rep->field[i]->usage + j);
+ }
+ }
+}
+
+static struct hid_input *hidinput_allocate(struct hid_device *hid)
+{
+ struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
+ struct input_dev *input_dev = input_allocate_device();
+ if (!hidinput || !input_dev) {
+ kfree(hidinput);
+ input_free_device(input_dev);
+ hid_err(hid, "Out of memory during hid input probe\n");
+ return NULL;
+ }
+
+ input_set_drvdata(input_dev, hid);
+ input_dev->event = hid->ll_driver->hidinput_input_event;
+ input_dev->open = hidinput_open;
+ input_dev->close = hidinput_close;
+ input_dev->setkeycode = hidinput_setkeycode;
+ input_dev->getkeycode = hidinput_getkeycode;
+
+ input_dev->name = hid->name;
+ input_dev->phys = hid->phys;
+ input_dev->uniq = hid->uniq;
+ input_dev->id.bustype = hid->bus;
+ input_dev->id.vendor = hid->vendor;
+ input_dev->id.product = hid->product;
+ input_dev->id.version = hid->version;
+ input_dev->dev.parent = hid->dev.parent;
+ hidinput->input = input_dev;
+ list_add_tail(&hidinput->list, &hid->inputs);
+
+ return hidinput;
+}
+
+static bool hidinput_has_been_populated(struct hid_input *hidinput)
+{
+ int i;
+ unsigned long r = 0;
+
+ for (i = 0; i < BITS_TO_LONGS(EV_CNT); i++)
+ r |= hidinput->input->evbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(KEY_CNT); i++)
+ r |= hidinput->input->keybit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(REL_CNT); i++)
+ r |= hidinput->input->relbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(ABS_CNT); i++)
+ r |= hidinput->input->absbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(MSC_CNT); i++)
+ r |= hidinput->input->mscbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(LED_CNT); i++)
+ r |= hidinput->input->ledbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(SND_CNT); i++)
+ r |= hidinput->input->sndbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(FF_CNT); i++)
+ r |= hidinput->input->ffbit[i];
+
+ for (i = 0; i < BITS_TO_LONGS(SW_CNT); i++)
+ r |= hidinput->input->swbit[i];
+
+ return !!r;
+}
+
+static void hidinput_cleanup_hidinput(struct hid_device *hid,
+ struct hid_input *hidinput)
+{
+ struct hid_report *report;
+ int i, k;
+
+ list_del(&hidinput->list);
+ input_free_device(hidinput->input);
+
+ for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
+ if (k == HID_OUTPUT_REPORT &&
+ hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
+ continue;
+
+ list_for_each_entry(report, &hid->report_enum[k].report_list,
+ list) {
+
+ for (i = 0; i < report->maxfield; i++)
+ if (report->field[i]->hidinput == hidinput)
+ report->field[i]->hidinput = NULL;
+ }
+ }
+
+ kfree(hidinput);
}
/*
int hidinput_connect(struct hid_device *hid, unsigned int force)
{
+ struct hid_driver *drv = hid->driver;
struct hid_report *report;
struct hid_input *hidinput = NULL;
- struct input_dev *input_dev;
int i, j, k;
- int max_report_type = HID_OUTPUT_REPORT;
INIT_LIST_HEAD(&hid->inputs);
return -1;
}
- if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
- max_report_type = HID_INPUT_REPORT;
+ report_features(hid);
+
+ for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
+ if (k == HID_OUTPUT_REPORT &&
+ hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
+ continue;
- for (k = HID_INPUT_REPORT; k <= max_report_type; k++)
list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
if (!report->maxfield)
continue;
if (!hidinput) {
- hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
- input_dev = input_allocate_device();
- if (!hidinput || !input_dev) {
- kfree(hidinput);
- input_free_device(input_dev);
- err_hid("Out of memory during hid input probe");
+ hidinput = hidinput_allocate(hid);
+ if (!hidinput)
goto out_unwind;
- }
-
- input_set_drvdata(input_dev, hid);
- input_dev->event =
- hid->ll_driver->hidinput_input_event;
- input_dev->open = hidinput_open;
- input_dev->close = hidinput_close;
- input_dev->setkeycode = hidinput_setkeycode;
- input_dev->getkeycode = hidinput_getkeycode;
-
- input_dev->name = hid->name;
- input_dev->phys = hid->phys;
- input_dev->uniq = hid->uniq;
- input_dev->id.bustype = hid->bus;
- input_dev->id.vendor = hid->vendor;
- input_dev->id.product = hid->product;
- input_dev->id.version = hid->version;
- input_dev->dev.parent = hid->dev.parent;
- hidinput->input = input_dev;
- list_add_tail(&hidinput->list, &hid->inputs);
}
for (i = 0; i < report->maxfield; i++)
hidinput_configure_usage(hidinput, report->field[i],
report->field[i]->usage + j);
+ if ((hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) &&
+ !hidinput_has_been_populated(hidinput))
+ continue;
+
if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
/* This will leave hidinput NULL, so that it
* allocates another one if we have more inputs on
* UGCI) cram a lot of unrelated inputs into the
* same interface. */
hidinput->report = report;
+ if (drv->input_configured &&
+ drv->input_configured(hid, hidinput))
+ goto out_cleanup;
if (input_register_device(hidinput->input))
goto out_cleanup;
hidinput = NULL;
}
}
+ }
- if (hidinput && input_register_device(hidinput->input))
- goto out_cleanup;
+ if (hidinput && (hid->quirks & HID_QUIRK_NO_EMPTY_INPUT) &&
+ !hidinput_has_been_populated(hidinput)) {
+ /* no need to register an input device not populated */
+ hidinput_cleanup_hidinput(hid, hidinput);
+ hidinput = NULL;
+ }
+
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "No inputs registered, leaving\n");
+ goto out_unwind;
+ }
+
+ if (hidinput) {
+ if (drv->input_configured &&
+ drv->input_configured(hid, hidinput))
+ goto out_cleanup;
+ if (input_register_device(hidinput->input))
+ goto out_cleanup;
+ }
return 0;
out_cleanup:
+ list_del(&hidinput->list);
input_free_device(hidinput->input);
kfree(hidinput);
out_unwind:
{
struct hid_input *hidinput, *next;
+ hidinput_cleanup_battery(hid);
+
list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
list_del(&hidinput->list);
input_unregister_device(hidinput->input);
Code Review / linux-3.10.git / blobdiff