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Diffstat (limited to 'drivers/hid/hid-logitech-hidpp.c')
-rw-r--r--drivers/hid/hid-logitech-hidpp.c2191
1 files changed, 1720 insertions, 471 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 15ed6177a7a3..d5011a5d0890 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1,16 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
- * HIDPP protocol for Logitech Unifying receivers
+ * HIDPP protocol for Logitech receivers
*
* Copyright (c) 2011 Logitech (c)
* Copyright (c) 2012-2013 Google (c)
* Copyright (c) 2013-2014 Red Hat Inc.
*/
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; version 2 of the License.
- */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -27,31 +23,41 @@
#include <linux/workqueue.h>
#include <linux/atomic.h>
#include <linux/fixp-arith.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "usbhid/usbhid.h"
#include "hid-ids.h"
+MODULE_DESCRIPTION("Support for Logitech devices relying on the HID++ specification");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
MODULE_AUTHOR("Nestor Lopez Casado <nlopezcasad@logitech.com>");
-
-static bool disable_raw_mode;
-module_param(disable_raw_mode, bool, 0644);
-MODULE_PARM_DESC(disable_raw_mode,
- "Disable Raw mode reporting for touchpads and keep firmware gestures.");
+MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>");
static bool disable_tap_to_click;
module_param(disable_tap_to_click, bool, 0644);
MODULE_PARM_DESC(disable_tap_to_click,
"Disable Tap-To-Click mode reporting for touchpads (only on the K400 currently).");
+/* Define a non-zero software ID to identify our own requests */
+#define LINUX_KERNEL_SW_ID 0x01
+
#define REPORT_ID_HIDPP_SHORT 0x10
#define REPORT_ID_HIDPP_LONG 0x11
#define REPORT_ID_HIDPP_VERY_LONG 0x12
#define HIDPP_REPORT_SHORT_LENGTH 7
#define HIDPP_REPORT_LONG_LENGTH 20
-#define HIDPP_REPORT_VERY_LONG_LENGTH 64
+#define HIDPP_REPORT_VERY_LONG_MAX_LENGTH 64
+
+#define HIDPP_REPORT_SHORT_SUPPORTED BIT(0)
+#define HIDPP_REPORT_LONG_SUPPORTED BIT(1)
+#define HIDPP_REPORT_VERY_LONG_SUPPORTED BIT(2)
+
+#define HIDPP_SUB_ID_CONSUMER_VENDOR_KEYS 0x03
+#define HIDPP_SUB_ID_ROLLER 0x05
+#define HIDPP_SUB_ID_MOUSE_EXTRA_BTNS 0x06
+#define HIDPP_SUB_ID_USER_IFACE_EVENT 0x08
+#define HIDPP_USER_IFACE_EVENT_ENCRYPTION_KEY_LOST BIT(5)
#define HIDPP_QUIRK_CLASS_WTP BIT(0)
#define HIDPP_QUIRK_CLASS_M560 BIT(1)
@@ -62,24 +68,37 @@ MODULE_PARM_DESC(disable_tap_to_click,
/* bits 2..20 are reserved for classes */
/* #define HIDPP_QUIRK_CONNECT_EVENTS BIT(21) disabled */
#define HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS BIT(22)
-#define HIDPP_QUIRK_NO_HIDINPUT BIT(23)
+#define HIDPP_QUIRK_DELAYED_INIT BIT(23)
#define HIDPP_QUIRK_FORCE_OUTPUT_REPORTS BIT(24)
-#define HIDPP_QUIRK_UNIFYING BIT(25)
-#define HIDPP_QUIRK_HI_RES_SCROLL_1P0 BIT(26)
-#define HIDPP_QUIRK_HI_RES_SCROLL_X2120 BIT(27)
-#define HIDPP_QUIRK_HI_RES_SCROLL_X2121 BIT(28)
+#define HIDPP_QUIRK_HIDPP_WHEELS BIT(25)
+#define HIDPP_QUIRK_HIDPP_EXTRA_MOUSE_BTNS BIT(26)
+#define HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS BIT(27)
+#define HIDPP_QUIRK_HI_RES_SCROLL_1P0 BIT(28)
+#define HIDPP_QUIRK_WIRELESS_STATUS BIT(29)
+#define HIDPP_QUIRK_RESET_HI_RES_SCROLL BIT(30)
-/* Convenience constant to check for any high-res support. */
-#define HIDPP_QUIRK_HI_RES_SCROLL (HIDPP_QUIRK_HI_RES_SCROLL_1P0 | \
- HIDPP_QUIRK_HI_RES_SCROLL_X2120 | \
- HIDPP_QUIRK_HI_RES_SCROLL_X2121)
+/* These are just aliases for now */
+#define HIDPP_QUIRK_KBD_SCROLL_WHEEL HIDPP_QUIRK_HIDPP_WHEELS
+#define HIDPP_QUIRK_KBD_ZOOM_WHEEL HIDPP_QUIRK_HIDPP_WHEELS
-#define HIDPP_QUIRK_DELAYED_INIT HIDPP_QUIRK_NO_HIDINPUT
+/* Convenience constant to check for any high-res support. */
+#define HIDPP_CAPABILITY_HI_RES_SCROLL (HIDPP_CAPABILITY_HIDPP10_FAST_SCROLL | \
+ HIDPP_CAPABILITY_HIDPP20_HI_RES_SCROLL | \
+ HIDPP_CAPABILITY_HIDPP20_HI_RES_WHEEL)
#define HIDPP_CAPABILITY_HIDPP10_BATTERY BIT(0)
#define HIDPP_CAPABILITY_HIDPP20_BATTERY BIT(1)
#define HIDPP_CAPABILITY_BATTERY_MILEAGE BIT(2)
#define HIDPP_CAPABILITY_BATTERY_LEVEL_STATUS BIT(3)
+#define HIDPP_CAPABILITY_BATTERY_VOLTAGE BIT(4)
+#define HIDPP_CAPABILITY_BATTERY_PERCENTAGE BIT(5)
+#define HIDPP_CAPABILITY_UNIFIED_BATTERY BIT(6)
+#define HIDPP_CAPABILITY_HIDPP20_HI_RES_WHEEL BIT(7)
+#define HIDPP_CAPABILITY_HIDPP20_HI_RES_SCROLL BIT(8)
+#define HIDPP_CAPABILITY_HIDPP10_FAST_SCROLL BIT(9)
+#define HIDPP_CAPABILITY_ADC_MEASUREMENT BIT(10)
+
+#define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
/*
* There are two hidpp protocols in use, the first version hidpp10 is known
@@ -106,13 +125,13 @@ MODULE_PARM_DESC(disable_tap_to_click,
struct fap {
u8 feature_index;
u8 funcindex_clientid;
- u8 params[HIDPP_REPORT_VERY_LONG_LENGTH - 4U];
+ u8 params[HIDPP_REPORT_VERY_LONG_MAX_LENGTH - 4U];
};
struct rap {
u8 sub_id;
u8 reg_address;
- u8 params[HIDPP_REPORT_VERY_LONG_LENGTH - 4U];
+ u8 params[HIDPP_REPORT_VERY_LONG_MAX_LENGTH - 4U];
};
struct hidpp_report {
@@ -128,13 +147,18 @@ struct hidpp_report {
struct hidpp_battery {
u8 feature_index;
u8 solar_feature_index;
+ u8 voltage_feature_index;
+ u8 adc_measurement_feature_index;
struct power_supply_desc desc;
struct power_supply *ps;
char name[64];
int status;
int capacity;
int level;
+ int voltage;
+ int charge_type;
bool online;
+ u8 supported_levels_1004;
};
/**
@@ -149,7 +173,6 @@ struct hidpp_battery {
* @last_time: last event time, used to reset remainder after inactivity
*/
struct hidpp_scroll_counter {
- struct input_dev *dev;
int wheel_multiplier;
int remainder;
int direction;
@@ -158,10 +181,12 @@ struct hidpp_scroll_counter {
struct hidpp_device {
struct hid_device *hid_dev;
+ struct input_dev *input;
struct mutex send_mutex;
void *send_receive_buf;
char *name; /* will never be NULL and should not be freed */
wait_queue_head_t wait;
+ int very_long_report_length;
bool answer_available;
u8 protocol_major;
u8 protocol_minor;
@@ -169,15 +194,20 @@ struct hidpp_device {
void *private_data;
struct work_struct work;
+ struct work_struct reset_hi_res_work;
struct kfifo delayed_work_fifo;
- atomic_t connected;
struct input_dev *delayed_input;
unsigned long quirks;
unsigned long capabilities;
+ u8 supported_reports;
struct hidpp_battery battery;
struct hidpp_scroll_counter vertical_wheel_counter;
+
+ u8 wireless_feature_index;
+
+ bool connected_once;
};
/* HID++ 1.0 error codes */
@@ -196,18 +226,24 @@ struct hidpp_device {
#define HIDPP_ERROR_INVALID_PARAM_VALUE 0x0b
#define HIDPP_ERROR_WRONG_PIN_CODE 0x0c
/* HID++ 2.0 error codes */
+#define HIDPP20_ERROR_NO_ERROR 0x00
+#define HIDPP20_ERROR_UNKNOWN 0x01
+#define HIDPP20_ERROR_INVALID_ARGS 0x02
+#define HIDPP20_ERROR_OUT_OF_RANGE 0x03
+#define HIDPP20_ERROR_HW_ERROR 0x04
+#define HIDPP20_ERROR_NOT_ALLOWED 0x05
+#define HIDPP20_ERROR_INVALID_FEATURE_INDEX 0x06
+#define HIDPP20_ERROR_INVALID_FUNCTION_ID 0x07
+#define HIDPP20_ERROR_BUSY 0x08
+#define HIDPP20_ERROR_UNSUPPORTED 0x09
#define HIDPP20_ERROR 0xff
-static void hidpp_connect_event(struct hidpp_device *hidpp_dev);
-
static int __hidpp_send_report(struct hid_device *hdev,
struct hidpp_report *hidpp_report)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
int fields_count, ret;
- hidpp = hid_get_drvdata(hdev);
-
switch (hidpp_report->report_id) {
case REPORT_ID_HIDPP_SHORT:
fields_count = HIDPP_REPORT_SHORT_LENGTH;
@@ -216,7 +252,7 @@ static int __hidpp_send_report(struct hid_device *hdev,
fields_count = HIDPP_REPORT_LONG_LENGTH;
break;
case REPORT_ID_HIDPP_VERY_LONG:
- fields_count = HIDPP_REPORT_VERY_LONG_LENGTH;
+ fields_count = hidpp->very_long_report_length;
break;
default:
return -ENODEV;
@@ -239,21 +275,23 @@ static int __hidpp_send_report(struct hid_device *hdev,
return ret == fields_count ? 0 : -1;
}
-/**
- * hidpp_send_message_sync() returns 0 in case of success, and something else
- * in case of a failure.
- * - If ' something else' is positive, that means that an error has been raised
- * by the protocol itself.
- * - If ' something else' is negative, that means that we had a classic error
- * (-ENOMEM, -EPIPE, etc...)
+/*
+ * Effectively send the message to the device, waiting for its answer.
+ *
+ * Must be called with hidpp->send_mutex locked
+ *
+ * Same return protocol than hidpp_send_message_sync():
+ * - success on 0
+ * - negative error means transport error
+ * - positive value means protocol error
*/
-static int hidpp_send_message_sync(struct hidpp_device *hidpp,
+static int __do_hidpp_send_message_sync(struct hidpp_device *hidpp,
struct hidpp_report *message,
struct hidpp_report *response)
{
int ret;
- mutex_lock(&hidpp->send_mutex);
+ __must_hold(&hidpp->send_mutex);
hidpp->send_receive_buf = response;
hidpp->answer_available = false;
@@ -265,41 +303,78 @@ static int hidpp_send_message_sync(struct hidpp_device *hidpp,
*response = *message;
ret = __hidpp_send_report(hidpp->hid_dev, message);
-
if (ret) {
dbg_hid("__hidpp_send_report returned err: %d\n", ret);
memset(response, 0, sizeof(struct hidpp_report));
- goto exit;
+ return ret;
}
if (!wait_event_timeout(hidpp->wait, hidpp->answer_available,
5*HZ)) {
dbg_hid("%s:timeout waiting for response\n", __func__);
memset(response, 0, sizeof(struct hidpp_report));
- ret = -ETIMEDOUT;
+ return -ETIMEDOUT;
}
if (response->report_id == REPORT_ID_HIDPP_SHORT &&
response->rap.sub_id == HIDPP_ERROR) {
ret = response->rap.params[1];
dbg_hid("%s:got hidpp error %02X\n", __func__, ret);
- goto exit;
+ return ret;
}
if ((response->report_id == REPORT_ID_HIDPP_LONG ||
- response->report_id == REPORT_ID_HIDPP_VERY_LONG) &&
- response->fap.feature_index == HIDPP20_ERROR) {
+ response->report_id == REPORT_ID_HIDPP_VERY_LONG) &&
+ response->fap.feature_index == HIDPP20_ERROR) {
ret = response->fap.params[1];
dbg_hid("%s:got hidpp 2.0 error %02X\n", __func__, ret);
- goto exit;
+ return ret;
}
-exit:
+ return 0;
+}
+
+/*
+ * hidpp_send_message_sync() returns 0 in case of success, and something else
+ * in case of a failure.
+ *
+ * See __do_hidpp_send_message_sync() for a detailed explanation of the returned
+ * value.
+ */
+static int hidpp_send_message_sync(struct hidpp_device *hidpp,
+ struct hidpp_report *message,
+ struct hidpp_report *response)
+{
+ int ret;
+ int max_retries = 3;
+
+ mutex_lock(&hidpp->send_mutex);
+
+ do {
+ ret = __do_hidpp_send_message_sync(hidpp, message, response);
+ if (response->report_id == REPORT_ID_HIDPP_SHORT &&
+ ret != HIDPP_ERROR_BUSY)
+ break;
+ if ((response->report_id == REPORT_ID_HIDPP_LONG ||
+ response->report_id == REPORT_ID_HIDPP_VERY_LONG) &&
+ ret != HIDPP20_ERROR_BUSY)
+ break;
+
+ dbg_hid("%s:got busy hidpp error %02X, retrying\n", __func__, ret);
+ } while (--max_retries);
+
mutex_unlock(&hidpp->send_mutex);
return ret;
}
+/*
+ * hidpp_send_fap_command_sync() returns 0 in case of success, and something else
+ * in case of a failure.
+ *
+ * See __do_hidpp_send_message_sync() for a detailed explanation of the returned
+ * value.
+ */
static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp,
u8 feat_index, u8 funcindex_clientid, u8 *params, int param_count,
struct hidpp_report *response)
@@ -307,8 +382,13 @@ static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp,
struct hidpp_report *message;
int ret;
- if (param_count > sizeof(message->fap.params))
+ if (param_count > sizeof(message->fap.params)) {
+ hid_dbg(hidpp->hid_dev,
+ "Invalid number of parameters passed to command (%d != %llu)\n",
+ param_count,
+ (unsigned long long) sizeof(message->fap.params));
return -EINVAL;
+ }
message = kzalloc(sizeof(struct hidpp_report), GFP_KERNEL);
if (!message)
@@ -319,7 +399,7 @@ static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp,
else
message->report_id = REPORT_ID_HIDPP_LONG;
message->fap.feature_index = feat_index;
- message->fap.funcindex_clientid = funcindex_clientid;
+ message->fap.funcindex_clientid = funcindex_clientid | LINUX_KERNEL_SW_ID;
memcpy(&message->fap.params, params, param_count);
ret = hidpp_send_message_sync(hidpp, message, response);
@@ -327,6 +407,13 @@ static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp,
return ret;
}
+/*
+ * hidpp_send_rap_command_sync() returns 0 in case of success, and something else
+ * in case of a failure.
+ *
+ * See __do_hidpp_send_message_sync() for a detailed explanation of the returned
+ * value.
+ */
static int hidpp_send_rap_command_sync(struct hidpp_device *hidpp_dev,
u8 report_id, u8 sub_id, u8 reg_address, u8 *params, int param_count,
struct hidpp_report *response)
@@ -334,6 +421,11 @@ static int hidpp_send_rap_command_sync(struct hidpp_device *hidpp_dev,
struct hidpp_report *message;
int ret, max_count;
+ /* Send as long report if short reports are not supported. */
+ if (report_id == REPORT_ID_HIDPP_SHORT &&
+ !(hidpp_dev->supported_reports & HIDPP_REPORT_SHORT_SUPPORTED))
+ report_id = REPORT_ID_HIDPP_LONG;
+
switch (report_id) {
case REPORT_ID_HIDPP_SHORT:
max_count = HIDPP_REPORT_SHORT_LENGTH - 4;
@@ -342,7 +434,7 @@ static int hidpp_send_rap_command_sync(struct hidpp_device *hidpp_dev,
max_count = HIDPP_REPORT_LONG_LENGTH - 4;
break;
case REPORT_ID_HIDPP_VERY_LONG:
- max_count = HIDPP_REPORT_VERY_LONG_LENGTH - 4;
+ max_count = hidpp_dev->very_long_report_length - 4;
break;
default:
return -EINVAL;
@@ -364,13 +456,6 @@ static int hidpp_send_rap_command_sync(struct hidpp_device *hidpp_dev,
return ret;
}
-static void delayed_work_cb(struct work_struct *work)
-{
- struct hidpp_device *hidpp = container_of(work, struct hidpp_device,
- work);
- hidpp_connect_event(hidpp);
-}
-
static inline bool hidpp_match_answer(struct hidpp_report *question,
struct hidpp_report *answer)
{
@@ -387,13 +472,16 @@ static inline bool hidpp_match_error(struct hidpp_report *question,
(answer->fap.params[0] == question->fap.funcindex_clientid);
}
-static inline bool hidpp_report_is_connect_event(struct hidpp_report *report)
+static inline bool hidpp_report_is_connect_event(struct hidpp_device *hidpp,
+ struct hidpp_report *report)
{
- return (report->report_id == REPORT_ID_HIDPP_SHORT) &&
- (report->rap.sub_id == 0x41);
+ return (hidpp->wireless_feature_index &&
+ (report->fap.feature_index == hidpp->wireless_feature_index)) ||
+ ((report->report_id == REPORT_ID_HIDPP_SHORT) &&
+ (report->rap.sub_id == 0x41));
}
-/**
+/*
* hidpp_prefix_name() prefixes the current given name with "Logitech ".
*/
static void hidpp_prefix_name(char **name, int name_length)
@@ -420,10 +508,31 @@ static void hidpp_prefix_name(char **name, int name_length)
*name = new_name;
}
+/*
+ * Updates the USB wireless_status based on whether the headset
+ * is turned on and reachable.
+ */
+static void hidpp_update_usb_wireless_status(struct hidpp_device *hidpp)
+{
+ struct hid_device *hdev = hidpp->hid_dev;
+ struct usb_interface *intf;
+
+ if (!(hidpp->quirks & HIDPP_QUIRK_WIRELESS_STATUS))
+ return;
+ if (!hid_is_usb(hdev))
+ return;
+
+ intf = to_usb_interface(hdev->dev.parent);
+ usb_set_wireless_status(intf, hidpp->battery.online ?
+ USB_WIRELESS_STATUS_CONNECTED :
+ USB_WIRELESS_STATUS_DISCONNECTED);
+}
+
/**
* hidpp_scroll_counter_handle_scroll() - Send high- and low-resolution scroll
* events given a high-resolution wheel
* movement.
+ * @input_dev: Pointer to the input device
* @counter: a hid_scroll_counter struct describing the wheel.
* @hi_res_value: the movement of the wheel, in the mouse's high-resolution
* units.
@@ -434,14 +543,15 @@ static void hidpp_prefix_name(char **name, int name_length)
* emit low-resolution scroll events when appropriate for
* backwards-compatibility with userspace input libraries.
*/
-static void hidpp_scroll_counter_handle_scroll(struct hidpp_scroll_counter *counter,
+static void hidpp_scroll_counter_handle_scroll(struct input_dev *input_dev,
+ struct hidpp_scroll_counter *counter,
int hi_res_value)
{
int low_res_value, remainder, direction;
unsigned long long now, previous;
hi_res_value = hi_res_value * 120/counter->wheel_multiplier;
- input_report_rel(counter->dev, REL_WHEEL_HI_RES, hi_res_value);
+ input_report_rel(input_dev, REL_WHEEL_HI_RES, hi_res_value);
remainder = counter->remainder;
direction = hi_res_value > 0 ? 1 : -1;
@@ -475,7 +585,7 @@ static void hidpp_scroll_counter_handle_scroll(struct hidpp_scroll_counter *coun
low_res_value = remainder / 120;
if (low_res_value == 0)
low_res_value = (hi_res_value > 0 ? 1 : -1);
- input_report_rel(counter->dev, REL_WHEEL, low_res_value);
+ input_report_rel(input_dev, REL_WHEEL, low_res_value);
remainder -= low_res_value * 120;
}
counter->remainder = remainder;
@@ -491,14 +601,16 @@ static void hidpp_scroll_counter_handle_scroll(struct hidpp_scroll_counter *coun
#define HIDPP_GET_LONG_REGISTER 0x83
/**
- * hidpp10_set_register_bit() - Sets a single bit in a HID++ 1.0 register.
+ * hidpp10_set_register - Modify a HID++ 1.0 register.
* @hidpp_dev: the device to set the register on.
* @register_address: the address of the register to modify.
* @byte: the byte of the register to modify. Should be less than 3.
+ * @mask: mask of the bits to modify
+ * @value: new values for the bits in mask
* Return: 0 if successful, otherwise a negative error code.
*/
-static int hidpp10_set_register_bit(struct hidpp_device *hidpp_dev,
- u8 register_address, u8 byte, u8 bit)
+static int hidpp10_set_register(struct hidpp_device *hidpp_dev,
+ u8 register_address, u8 byte, u8 mask, u8 value)
{
struct hidpp_report response;
int ret;
@@ -514,7 +626,8 @@ static int hidpp10_set_register_bit(struct hidpp_device *hidpp_dev,
memcpy(params, response.rap.params, 3);
- params[byte] |= BIT(bit);
+ params[byte] &= ~mask;
+ params[byte] |= value & mask;
return hidpp_send_rap_command_sync(hidpp_dev,
REPORT_ID_HIDPP_SHORT,
@@ -523,20 +636,28 @@ static int hidpp10_set_register_bit(struct hidpp_device *hidpp_dev,
params, 3, &response);
}
-
-#define HIDPP_REG_GENERAL 0x00
+#define HIDPP_REG_ENABLE_REPORTS 0x00
+#define HIDPP_ENABLE_CONSUMER_REPORT BIT(0)
+#define HIDPP_ENABLE_WHEEL_REPORT BIT(2)
+#define HIDPP_ENABLE_MOUSE_EXTRA_BTN_REPORT BIT(3)
+#define HIDPP_ENABLE_BAT_REPORT BIT(4)
+#define HIDPP_ENABLE_HWHEEL_REPORT BIT(5)
static int hidpp10_enable_battery_reporting(struct hidpp_device *hidpp_dev)
{
- return hidpp10_set_register_bit(hidpp_dev, HIDPP_REG_GENERAL, 0, 4);
+ return hidpp10_set_register(hidpp_dev, HIDPP_REG_ENABLE_REPORTS, 0,
+ HIDPP_ENABLE_BAT_REPORT, HIDPP_ENABLE_BAT_REPORT);
}
#define HIDPP_REG_FEATURES 0x01
+#define HIDPP_ENABLE_SPECIAL_BUTTON_FUNC BIT(1)
+#define HIDPP_ENABLE_FAST_SCROLL BIT(6)
/* On HID++ 1.0 devices, high-res scroll was called "scrolling acceleration". */
static int hidpp10_enable_scrolling_acceleration(struct hidpp_device *hidpp_dev)
{
- return hidpp10_set_register_bit(hidpp_dev, HIDPP_REG_FEATURES, 0, 6);
+ return hidpp10_set_register(hidpp_dev, HIDPP_REG_FEATURES, 0,
+ HIDPP_ENABLE_FAST_SCROLL, HIDPP_ENABLE_FAST_SCROLL);
}
#define HIDPP_REG_BATTERY_STATUS 0x07
@@ -741,6 +862,9 @@ static char *hidpp_unifying_get_name(struct hidpp_device *hidpp_dev)
if (2 + len > sizeof(response.rap.params))
return NULL;
+ if (len < 4) /* logitech devices are usually at least Xddd */
+ return NULL;
+
name = kzalloc(len + 1, GFP_KERNEL);
if (!name)
return NULL;
@@ -786,8 +910,7 @@ static int hidpp_unifying_init(struct hidpp_device *hidpp)
if (ret)
return ret;
- snprintf(hdev->uniq, sizeof(hdev->uniq), "%04x-%4phD",
- hdev->product, &serial);
+ snprintf(hdev->uniq, sizeof(hdev->uniq), "%4phD", &serial);
dbg_hid("HID++ Unifying: Got serial: %s\n", hdev->uniq);
name = hidpp_unifying_get_name(hidpp);
@@ -808,11 +931,11 @@ static int hidpp_unifying_init(struct hidpp_device *hidpp)
#define HIDPP_PAGE_ROOT 0x0000
#define HIDPP_PAGE_ROOT_IDX 0x00
-#define CMD_ROOT_GET_FEATURE 0x01
-#define CMD_ROOT_GET_PROTOCOL_VERSION 0x11
+#define CMD_ROOT_GET_FEATURE 0x00
+#define CMD_ROOT_GET_PROTOCOL_VERSION 0x10
static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature,
- u8 *feature_index, u8 *feature_type)
+ u8 *feature_index)
{
struct hidpp_report response;
int ret;
@@ -829,29 +952,32 @@ static int hidpp_root_get_feature(struct hidpp_device *hidpp, u16 feature,
return -ENOENT;
*feature_index = response.fap.params[0];
- *feature_type = response.fap.params[1];
return ret;
}
static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)
{
+ const u8 ping_byte = 0x5a;
+ u8 ping_data[3] = { 0, 0, ping_byte };
struct hidpp_report response;
int ret;
- ret = hidpp_send_fap_command_sync(hidpp,
+ ret = hidpp_send_rap_command_sync(hidpp,
+ REPORT_ID_HIDPP_SHORT,
HIDPP_PAGE_ROOT_IDX,
- CMD_ROOT_GET_PROTOCOL_VERSION,
- NULL, 0, &response);
+ CMD_ROOT_GET_PROTOCOL_VERSION | LINUX_KERNEL_SW_ID,
+ ping_data, sizeof(ping_data), &response);
if (ret == HIDPP_ERROR_INVALID_SUBID) {
hidpp->protocol_major = 1;
hidpp->protocol_minor = 0;
- return 0;
+ goto print_version;
}
/* the device might not be connected */
- if (ret == HIDPP_ERROR_RESOURCE_ERROR)
+ if (ret == HIDPP_ERROR_RESOURCE_ERROR ||
+ ret == HIDPP_ERROR_UNKNOWN_DEVICE)
return -EIO;
if (ret > 0) {
@@ -862,21 +988,70 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp)
if (ret)
return ret;
- hidpp->protocol_major = response.fap.params[0];
- hidpp->protocol_minor = response.fap.params[1];
+ if (response.rap.params[2] != ping_byte) {
+ hid_err(hidpp->hid_dev, "%s: ping mismatch 0x%02x != 0x%02x\n",
+ __func__, response.rap.params[2], ping_byte);
+ return -EPROTO;
+ }
- return ret;
+ hidpp->protocol_major = response.rap.params[0];
+ hidpp->protocol_minor = response.rap.params[1];
+
+print_version:
+ if (!hidpp->connected_once) {
+ hid_info(hidpp->hid_dev, "HID++ %u.%u device connected.\n",
+ hidpp->protocol_major, hidpp->protocol_minor);
+ hidpp->connected_once = true;
+ } else
+ hid_dbg(hidpp->hid_dev, "HID++ %u.%u device connected.\n",
+ hidpp->protocol_major, hidpp->protocol_minor);
+ return 0;
}
-static bool hidpp_is_connected(struct hidpp_device *hidpp)
+/* -------------------------------------------------------------------------- */
+/* 0x0003: Device Information */
+/* -------------------------------------------------------------------------- */
+
+#define HIDPP_PAGE_DEVICE_INFORMATION 0x0003
+
+#define CMD_GET_DEVICE_INFO 0x00
+
+static int hidpp_get_serial(struct hidpp_device *hidpp, u32 *serial)
{
+ struct hidpp_report response;
+ u8 feature_index;
int ret;
- ret = hidpp_root_get_protocol_version(hidpp);
- if (!ret)
- hid_dbg(hidpp->hid_dev, "HID++ %u.%u device connected.\n",
- hidpp->protocol_major, hidpp->protocol_minor);
- return ret == 0;
+ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_DEVICE_INFORMATION,
+ &feature_index);
+ if (ret)
+ return ret;
+
+ ret = hidpp_send_fap_command_sync(hidpp, feature_index,
+ CMD_GET_DEVICE_INFO,
+ NULL, 0, &response);
+ if (ret)
+ return ret;
+
+ /* See hidpp_unifying_get_serial() */
+ *serial = *((u32 *)&response.rap.params[1]);
+ return 0;
+}
+
+static int hidpp_serial_init(struct hidpp_device *hidpp)
+{
+ struct hid_device *hdev = hidpp->hid_dev;
+ u32 serial;
+ int ret;
+
+ ret = hidpp_get_serial(hidpp, &serial);
+ if (ret)
+ return ret;
+
+ snprintf(hdev->uniq, sizeof(hdev->uniq), "%4phD", &serial);
+ dbg_hid("HID++ DeviceInformation: Got serial: %s\n", hdev->uniq);
+
+ return 0;
}
/* -------------------------------------------------------------------------- */
@@ -885,9 +1060,9 @@ static bool hidpp_is_connected(struct hidpp_device *hidpp)
#define HIDPP_PAGE_GET_DEVICE_NAME_TYPE 0x0005
-#define CMD_GET_DEVICE_NAME_TYPE_GET_COUNT 0x01
-#define CMD_GET_DEVICE_NAME_TYPE_GET_DEVICE_NAME 0x11
-#define CMD_GET_DEVICE_NAME_TYPE_GET_TYPE 0x21
+#define CMD_GET_DEVICE_NAME_TYPE_GET_COUNT 0x00
+#define CMD_GET_DEVICE_NAME_TYPE_GET_DEVICE_NAME 0x10
+#define CMD_GET_DEVICE_NAME_TYPE_GET_TYPE 0x20
static int hidpp_devicenametype_get_count(struct hidpp_device *hidpp,
u8 feature_index, u8 *nameLength)
@@ -932,7 +1107,7 @@ static int hidpp_devicenametype_get_device_name(struct hidpp_device *hidpp,
switch (response.report_id) {
case REPORT_ID_HIDPP_VERY_LONG:
- count = HIDPP_REPORT_VERY_LONG_LENGTH - 4;
+ count = hidpp->very_long_report_length - 4;
break;
case REPORT_ID_HIDPP_LONG:
count = HIDPP_REPORT_LONG_LENGTH - 4;
@@ -955,7 +1130,6 @@ static int hidpp_devicenametype_get_device_name(struct hidpp_device *hidpp,
static char *hidpp_get_device_name(struct hidpp_device *hidpp)
{
- u8 feature_type;
u8 feature_index;
u8 __name_length;
char *name;
@@ -963,7 +1137,7 @@ static char *hidpp_get_device_name(struct hidpp_device *hidpp)
int ret;
ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_GET_DEVICE_NAME_TYPE,
- &feature_index, &feature_type);
+ &feature_index);
if (ret)
return NULL;
@@ -1012,7 +1186,11 @@ static int hidpp_map_battery_level(int capacity)
{
if (capacity < 11)
return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
- else if (capacity < 31)
+ /*
+ * The spec says this should be < 31 but some devices report 30
+ * with brand new batteries and Windows reports 30 as "Good".
+ */
+ else if (capacity < 30)
return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
else if (capacity < 81)
return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
@@ -1076,6 +1254,9 @@ static int hidpp20_batterylevel_get_battery_capacity(struct hidpp_device *hidpp,
ret = hidpp_send_fap_command_sync(hidpp, feature_index,
CMD_BATTERY_LEVEL_STATUS_GET_BATTERY_LEVEL_STATUS,
NULL, 0, &response);
+ /* Ignore these intermittent errors */
+ if (ret == HIDPP_ERROR_RESOURCE_ERROR)
+ return -EIO;
if (ret > 0) {
hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",
__func__, ret);
@@ -1121,17 +1302,15 @@ static int hidpp20_batterylevel_get_battery_info(struct hidpp_device *hidpp,
return 0;
}
-static int hidpp20_query_battery_info(struct hidpp_device *hidpp)
+static int hidpp20_query_battery_info_1000(struct hidpp_device *hidpp)
{
- u8 feature_type;
int ret;
int status, capacity, next_capacity, level;
if (hidpp->battery.feature_index == 0xff) {
ret = hidpp_root_get_feature(hidpp,
HIDPP_PAGE_BATTERY_LEVEL_STATUS,
- &hidpp->battery.feature_index,
- &feature_type);
+ &hidpp->battery.feature_index);
if (ret)
return ret;
}
@@ -1158,7 +1337,7 @@ static int hidpp20_query_battery_info(struct hidpp_device *hidpp)
return 0;
}
-static int hidpp20_battery_event(struct hidpp_device *hidpp,
+static int hidpp20_battery_event_1000(struct hidpp_device *hidpp,
u8 *data, int size)
{
struct hidpp_report *report = (struct hidpp_report *)data;
@@ -1193,6 +1372,397 @@ static int hidpp20_battery_event(struct hidpp_device *hidpp,
return 0;
}
+/* -------------------------------------------------------------------------- */
+/* 0x1001: Battery voltage */
+/* -------------------------------------------------------------------------- */
+
+#define HIDPP_PAGE_BATTERY_VOLTAGE 0x1001
+
+#define CMD_BATTERY_VOLTAGE_GET_BATTERY_VOLTAGE 0x00
+
+#define EVENT_BATTERY_VOLTAGE_STATUS_BROADCAST 0x00
+
+static int hidpp20_battery_map_status_voltage(u8 data[3], int *voltage,
+ int *level, int *charge_type)
+{
+ int status;
+
+ long flags = (long) data[2];
+ *level = POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN;
+
+ if (flags & 0x80)
+ switch (flags & 0x07) {
+ case 0:
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case 1:
+ status = POWER_SUPPLY_STATUS_FULL;
+ *level = POWER_SUPPLY_CAPACITY_LEVEL_FULL;
+ break;
+ case 2:
+ status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ break;
+ default:
+ status = POWER_SUPPLY_STATUS_UNKNOWN;
+ break;
+ }
+ else
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+
+ *charge_type = POWER_SUPPLY_CHARGE_TYPE_STANDARD;
+ if (test_bit(3, &flags)) {
+ *charge_type = POWER_SUPPLY_CHARGE_TYPE_FAST;
+ }
+ if (test_bit(4, &flags)) {
+ *charge_type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+ }
+ if (test_bit(5, &flags)) {
+ *level = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
+ }
+
+ *voltage = get_unaligned_be16(data);
+
+ return status;
+}
+
+static int hidpp20_battery_get_battery_voltage(struct hidpp_device *hidpp,
+ u8 feature_index,
+ int *status, int *voltage,
+ int *level, int *charge_type)
+{
+ struct hidpp_report response;
+ int ret;
+ u8 *params = (u8 *)response.fap.params;
+
+ ret = hidpp_send_fap_command_sync(hidpp, feature_index,
+ CMD_BATTERY_VOLTAGE_GET_BATTERY_VOLTAGE,
+ NULL, 0, &response);
+
+ if (ret > 0) {
+ hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",
+ __func__, ret);
+ return -EPROTO;
+ }
+ if (ret)
+ return ret;
+
+ hidpp->capabilities |= HIDPP_CAPABILITY_BATTERY_VOLTAGE;
+
+ *status = hidpp20_battery_map_status_voltage(params, voltage,
+ level, charge_type);
+
+ return 0;
+}
+
+static int hidpp20_map_battery_capacity(struct hid_device *hid_dev, int voltage)
+{
+ /* NB: This voltage curve doesn't necessarily map perfectly to all
+ * devices that implement the BATTERY_VOLTAGE feature. This is because
+ * there are a few devices that use different battery technology.
+ */
+
+ static const int voltages[100] = {
+ 4186, 4156, 4143, 4133, 4122, 4113, 4103, 4094, 4086, 4075,
+ 4067, 4059, 4051, 4043, 4035, 4027, 4019, 4011, 4003, 3997,
+ 3989, 3983, 3976, 3969, 3961, 3955, 3949, 3942, 3935, 3929,
+ 3922, 3916, 3909, 3902, 3896, 3890, 3883, 3877, 3870, 3865,
+ 3859, 3853, 3848, 3842, 3837, 3833, 3828, 3824, 3819, 3815,
+ 3811, 3808, 3804, 3800, 3797, 3793, 3790, 3787, 3784, 3781,
+ 3778, 3775, 3772, 3770, 3767, 3764, 3762, 3759, 3757, 3754,
+ 3751, 3748, 3744, 3741, 3737, 3734, 3730, 3726, 3724, 3720,
+ 3717, 3714, 3710, 3706, 3702, 3697, 3693, 3688, 3683, 3677,
+ 3671, 3666, 3662, 3658, 3654, 3646, 3633, 3612, 3579, 3537
+ };
+
+ int i;
+
+ if (unlikely(voltage < 3500 || voltage >= 5000))
+ hid_warn_once(hid_dev,
+ "%s: possibly using the wrong voltage curve\n",
+ __func__);
+
+ for (i = 0; i < ARRAY_SIZE(voltages); i++) {
+ if (voltage >= voltages[i])
+ return ARRAY_SIZE(voltages) - i;
+ }
+
+ return 0;
+}
+
+static int hidpp20_query_battery_voltage_info(struct hidpp_device *hidpp)
+{
+ int ret;
+ int status, voltage, level, charge_type;
+
+ if (hidpp->battery.voltage_feature_index == 0xff) {
+ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_BATTERY_VOLTAGE,
+ &hidpp->battery.voltage_feature_index);
+ if (ret)
+ return ret;
+ }
+
+ ret = hidpp20_battery_get_battery_voltage(hidpp,
+ hidpp->battery.voltage_feature_index,
+ &status, &voltage, &level, &charge_type);
+
+ if (ret)
+ return ret;
+
+ hidpp->battery.status = status;
+ hidpp->battery.voltage = voltage;
+ hidpp->battery.capacity = hidpp20_map_battery_capacity(hidpp->hid_dev,
+ voltage);
+ hidpp->battery.level = level;
+ hidpp->battery.charge_type = charge_type;
+ hidpp->battery.online = status != POWER_SUPPLY_STATUS_NOT_CHARGING;
+
+ return 0;
+}
+
+static int hidpp20_battery_voltage_event(struct hidpp_device *hidpp,
+ u8 *data, int size)
+{
+ struct hidpp_report *report = (struct hidpp_report *)data;
+ int status, voltage, level, charge_type;
+
+ if (report->fap.feature_index != hidpp->battery.voltage_feature_index ||
+ report->fap.funcindex_clientid != EVENT_BATTERY_VOLTAGE_STATUS_BROADCAST)
+ return 0;
+
+ status = hidpp20_battery_map_status_voltage(report->fap.params, &voltage,
+ &level, &charge_type);
+
+ hidpp->battery.online = status != POWER_SUPPLY_STATUS_NOT_CHARGING;
+
+ if (voltage != hidpp->battery.voltage || status != hidpp->battery.status) {
+ hidpp->battery.voltage = voltage;
+ hidpp->battery.capacity = hidpp20_map_battery_capacity(hidpp->hid_dev,
+ voltage);
+ hidpp->battery.status = status;
+ hidpp->battery.level = level;
+ hidpp->battery.charge_type = charge_type;
+ if (hidpp->battery.ps)
+ power_supply_changed(hidpp->battery.ps);
+ }
+ return 0;
+}
+
+/* -------------------------------------------------------------------------- */
+/* 0x1004: Unified battery */
+/* -------------------------------------------------------------------------- */
+
+#define HIDPP_PAGE_UNIFIED_BATTERY 0x1004
+
+#define CMD_UNIFIED_BATTERY_GET_CAPABILITIES 0x00
+#define CMD_UNIFIED_BATTERY_GET_STATUS 0x10
+
+#define EVENT_UNIFIED_BATTERY_STATUS_EVENT 0x00
+
+#define FLAG_UNIFIED_BATTERY_LEVEL_CRITICAL BIT(0)
+#define FLAG_UNIFIED_BATTERY_LEVEL_LOW BIT(1)
+#define FLAG_UNIFIED_BATTERY_LEVEL_GOOD BIT(2)
+#define FLAG_UNIFIED_BATTERY_LEVEL_FULL BIT(3)
+
+#define FLAG_UNIFIED_BATTERY_FLAGS_RECHARGEABLE BIT(0)
+#define FLAG_UNIFIED_BATTERY_FLAGS_STATE_OF_CHARGE BIT(1)
+
+static int hidpp20_unifiedbattery_get_capabilities(struct hidpp_device *hidpp,
+ u8 feature_index)
+{
+ struct hidpp_report response;
+ int ret;
+ u8 *params = (u8 *)response.fap.params;
+
+ if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_LEVEL_STATUS ||
+ hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_PERCENTAGE) {
+ /* we have already set the device capabilities, so let's skip */
+ return 0;
+ }
+
+ ret = hidpp_send_fap_command_sync(hidpp, feature_index,
+ CMD_UNIFIED_BATTERY_GET_CAPABILITIES,
+ NULL, 0, &response);
+ /* Ignore these intermittent errors */
+ if (ret == HIDPP_ERROR_RESOURCE_ERROR)
+ return -EIO;
+ if (ret > 0) {
+ hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",
+ __func__, ret);
+ return -EPROTO;
+ }
+ if (ret)
+ return ret;
+
+ /*
+ * If the device supports state of charge (battery percentage) we won't
+ * export the battery level information. there are 4 possible battery
+ * levels and they all are optional, this means that the device might
+ * not support any of them, we are just better off with the battery
+ * percentage.
+ */
+ if (params[1] & FLAG_UNIFIED_BATTERY_FLAGS_STATE_OF_CHARGE) {
+ hidpp->capabilities |= HIDPP_CAPABILITY_BATTERY_PERCENTAGE;
+ hidpp->battery.supported_levels_1004 = 0;
+ } else {
+ hidpp->capabilities |= HIDPP_CAPABILITY_BATTERY_LEVEL_STATUS;
+ hidpp->battery.supported_levels_1004 = params[0];
+ }
+
+ return 0;
+}
+
+static int hidpp20_unifiedbattery_map_status(struct hidpp_device *hidpp,
+ u8 charging_status,
+ u8 external_power_status)
+{
+ int status;
+
+ switch (charging_status) {
+ case 0: /* discharging */
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ case 1: /* charging */
+ case 2: /* charging slow */
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case 3: /* complete */
+ status = POWER_SUPPLY_STATUS_FULL;
+ break;
+ case 4: /* error */
+ status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ hid_info(hidpp->hid_dev, "%s: charging error",
+ hidpp->name);
+ break;
+ default:
+ status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ break;
+ }
+
+ return status;
+}
+
+static int hidpp20_unifiedbattery_map_level(struct hidpp_device *hidpp,
+ u8 battery_level)
+{
+ /* cler unsupported level bits */
+ battery_level &= hidpp->battery.supported_levels_1004;
+
+ if (battery_level & FLAG_UNIFIED_BATTERY_LEVEL_FULL)
+ return POWER_SUPPLY_CAPACITY_LEVEL_FULL;
+ else if (battery_level & FLAG_UNIFIED_BATTERY_LEVEL_GOOD)
+ return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
+ else if (battery_level & FLAG_UNIFIED_BATTERY_LEVEL_LOW)
+ return POWER_SUPPLY_CAPACITY_LEVEL_LOW;
+ else if (battery_level & FLAG_UNIFIED_BATTERY_LEVEL_CRITICAL)
+ return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
+
+ return POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN;
+}
+
+static int hidpp20_unifiedbattery_get_status(struct hidpp_device *hidpp,
+ u8 feature_index,
+ u8 *state_of_charge,
+ int *status,
+ int *level)
+{
+ struct hidpp_report response;
+ int ret;
+ u8 *params = (u8 *)response.fap.params;
+
+ ret = hidpp_send_fap_command_sync(hidpp, feature_index,
+ CMD_UNIFIED_BATTERY_GET_STATUS,
+ NULL, 0, &response);
+ /* Ignore these intermittent errors */
+ if (ret == HIDPP_ERROR_RESOURCE_ERROR)
+ return -EIO;
+ if (ret > 0) {
+ hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",
+ __func__, ret);
+ return -EPROTO;
+ }
+ if (ret)
+ return ret;
+
+ *state_of_charge = params[0];
+ *status = hidpp20_unifiedbattery_map_status(hidpp, params[2], params[3]);
+ *level = hidpp20_unifiedbattery_map_level(hidpp, params[1]);
+
+ return 0;
+}
+
+static int hidpp20_query_battery_info_1004(struct hidpp_device *hidpp)
+{
+ int ret;
+ u8 state_of_charge;
+ int status, level;
+
+ if (hidpp->battery.feature_index == 0xff) {
+ ret = hidpp_root_get_feature(hidpp,
+ HIDPP_PAGE_UNIFIED_BATTERY,
+ &hidpp->battery.feature_index);
+ if (ret)
+ return ret;
+ }
+
+ ret = hidpp20_unifiedbattery_get_capabilities(hidpp,
+ hidpp->battery.feature_index);
+ if (ret)
+ return ret;
+
+ ret = hidpp20_unifiedbattery_get_status(hidpp,
+ hidpp->battery.feature_index,
+ &state_of_charge,
+ &status,
+ &level);
+ if (ret)
+ return ret;
+
+ hidpp->capabilities |= HIDPP_CAPABILITY_UNIFIED_BATTERY;
+ hidpp->battery.capacity = state_of_charge;
+ hidpp->battery.status = status;
+ hidpp->battery.level = level;
+ hidpp->battery.online = true;
+
+ return 0;
+}
+
+static int hidpp20_battery_event_1004(struct hidpp_device *hidpp,
+ u8 *data, int size)
+{
+ struct hidpp_report *report = (struct hidpp_report *)data;
+ u8 *params = (u8 *)report->fap.params;
+ int state_of_charge, status, level;
+ bool changed;
+
+ if (report->fap.feature_index != hidpp->battery.feature_index ||
+ report->fap.funcindex_clientid != EVENT_UNIFIED_BATTERY_STATUS_EVENT)
+ return 0;
+
+ state_of_charge = params[0];
+ status = hidpp20_unifiedbattery_map_status(hidpp, params[2], params[3]);
+ level = hidpp20_unifiedbattery_map_level(hidpp, params[1]);
+
+ changed = status != hidpp->battery.status ||
+ (state_of_charge != hidpp->battery.capacity &&
+ hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_PERCENTAGE) ||
+ (level != hidpp->battery.level &&
+ hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_LEVEL_STATUS);
+
+ if (changed) {
+ hidpp->battery.capacity = state_of_charge;
+ hidpp->battery.status = status;
+ hidpp->battery.level = level;
+ if (hidpp->battery.ps)
+ power_supply_changed(hidpp->battery.ps);
+ }
+
+ return 0;
+}
+
+/* -------------------------------------------------------------------------- */
+/* Battery feature helpers */
+/* -------------------------------------------------------------------------- */
+
static enum power_supply_property hidpp_battery_props[] = {
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_STATUS,
@@ -1202,6 +1772,7 @@ static enum power_supply_property hidpp_battery_props[] = {
POWER_SUPPLY_PROP_SERIAL_NUMBER,
0, /* placeholder for POWER_SUPPLY_PROP_CAPACITY, */
0, /* placeholder for POWER_SUPPLY_PROP_CAPACITY_LEVEL, */
+ 0, /* placeholder for POWER_SUPPLY_PROP_VOLTAGE_NOW, */
};
static int hidpp_battery_get_property(struct power_supply *psy,
@@ -1239,6 +1810,13 @@ static int hidpp_battery_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_SERIAL_NUMBER:
val->strval = hidpp->hid_dev->uniq;
break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ /* hardware reports voltage in mV. sysfs expects uV */
+ val->intval = hidpp->battery.voltage * 1000;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_TYPE:
+ val->intval = hidpp->battery.charge_type;
+ break;
default:
ret = -EINVAL;
break;
@@ -1248,6 +1826,173 @@ static int hidpp_battery_get_property(struct power_supply *psy,
}
/* -------------------------------------------------------------------------- */
+/* 0x1d4b: Wireless device status */
+/* -------------------------------------------------------------------------- */
+#define HIDPP_PAGE_WIRELESS_DEVICE_STATUS 0x1d4b
+
+static int hidpp_get_wireless_feature_index(struct hidpp_device *hidpp, u8 *feature_index)
+{
+ return hidpp_root_get_feature(hidpp,
+ HIDPP_PAGE_WIRELESS_DEVICE_STATUS,
+ feature_index);
+}
+
+/* -------------------------------------------------------------------------- */
+/* 0x1f20: ADC measurement */
+/* -------------------------------------------------------------------------- */
+
+#define HIDPP_PAGE_ADC_MEASUREMENT 0x1f20
+
+#define CMD_ADC_MEASUREMENT_GET_ADC_MEASUREMENT 0x00
+
+#define EVENT_ADC_MEASUREMENT_STATUS_BROADCAST 0x00
+
+static int hidpp20_map_adc_measurement_1f20_capacity(struct hid_device *hid_dev, int voltage)
+{
+ /* NB: This voltage curve doesn't necessarily map perfectly to all
+ * devices that implement the ADC_MEASUREMENT feature. This is because
+ * there are a few devices that use different battery technology.
+ *
+ * Adapted from:
+ * https://github.com/Sapd/HeadsetControl/blob/acd972be0468e039b93aae81221f20a54d2d60f7/src/devices/logitech_g633_g933_935.c#L44-L52
+ */
+ static const int voltages[100] = {
+ 4030, 4024, 4018, 4011, 4003, 3994, 3985, 3975, 3963, 3951,
+ 3937, 3922, 3907, 3893, 3880, 3868, 3857, 3846, 3837, 3828,
+ 3820, 3812, 3805, 3798, 3791, 3785, 3779, 3773, 3768, 3762,
+ 3757, 3752, 3747, 3742, 3738, 3733, 3729, 3724, 3720, 3716,
+ 3712, 3708, 3704, 3700, 3696, 3692, 3688, 3685, 3681, 3677,
+ 3674, 3670, 3667, 3663, 3660, 3657, 3653, 3650, 3646, 3643,
+ 3640, 3637, 3633, 3630, 3627, 3624, 3620, 3617, 3614, 3611,
+ 3608, 3604, 3601, 3598, 3595, 3592, 3589, 3585, 3582, 3579,
+ 3576, 3573, 3569, 3566, 3563, 3560, 3556, 3553, 3550, 3546,
+ 3543, 3539, 3536, 3532, 3529, 3525, 3499, 3466, 3433, 3399,
+ };
+
+ int i;
+
+ if (voltage == 0)
+ return 0;
+
+ if (unlikely(voltage < 3400 || voltage >= 5000))
+ hid_warn_once(hid_dev,
+ "%s: possibly using the wrong voltage curve\n",
+ __func__);
+
+ for (i = 0; i < ARRAY_SIZE(voltages); i++) {
+ if (voltage >= voltages[i])
+ return ARRAY_SIZE(voltages) - i;
+ }
+
+ return 0;
+}
+
+static int hidpp20_map_adc_measurement_1f20(u8 data[3], int *voltage)
+{
+ int status;
+ u8 flags;
+
+ flags = data[2];
+
+ switch (flags) {
+ case 0x01:
+ status = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ case 0x03:
+ status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case 0x07:
+ status = POWER_SUPPLY_STATUS_FULL;
+ break;
+ case 0x0F:
+ default:
+ status = POWER_SUPPLY_STATUS_UNKNOWN;
+ break;
+ }
+
+ *voltage = get_unaligned_be16(data);
+
+ dbg_hid("Parsed 1f20 data as flag 0x%02x voltage %dmV\n",
+ flags, *voltage);
+
+ return status;
+}
+
+/* Return value is whether the device is online */
+static bool hidpp20_get_adc_measurement_1f20(struct hidpp_device *hidpp,
+ u8 feature_index,
+ int *status, int *voltage)
+{
+ struct hidpp_report response;
+ int ret;
+ u8 *params = (u8 *)response.fap.params;
+
+ *status = POWER_SUPPLY_STATUS_UNKNOWN;
+ *voltage = 0;
+ ret = hidpp_send_fap_command_sync(hidpp, feature_index,
+ CMD_ADC_MEASUREMENT_GET_ADC_MEASUREMENT,
+ NULL, 0, &response);
+
+ if (ret > 0) {
+ hid_dbg(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",
+ __func__, ret);
+ return false;
+ }
+
+ *status = hidpp20_map_adc_measurement_1f20(params, voltage);
+ return true;
+}
+
+static int hidpp20_query_adc_measurement_info_1f20(struct hidpp_device *hidpp)
+{
+ if (hidpp->battery.adc_measurement_feature_index == 0xff) {
+ int ret;
+
+ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_ADC_MEASUREMENT,
+ &hidpp->battery.adc_measurement_feature_index);
+ if (ret)
+ return ret;
+
+ hidpp->capabilities |= HIDPP_CAPABILITY_ADC_MEASUREMENT;
+ }
+
+ hidpp->battery.online = hidpp20_get_adc_measurement_1f20(hidpp,
+ hidpp->battery.adc_measurement_feature_index,
+ &hidpp->battery.status,
+ &hidpp->battery.voltage);
+ hidpp->battery.capacity = hidpp20_map_adc_measurement_1f20_capacity(hidpp->hid_dev,
+ hidpp->battery.voltage);
+ hidpp_update_usb_wireless_status(hidpp);
+
+ return 0;
+}
+
+static int hidpp20_adc_measurement_event_1f20(struct hidpp_device *hidpp,
+ u8 *data, int size)
+{
+ struct hidpp_report *report = (struct hidpp_report *)data;
+ int status, voltage;
+
+ if (report->fap.feature_index != hidpp->battery.adc_measurement_feature_index ||
+ report->fap.funcindex_clientid != EVENT_ADC_MEASUREMENT_STATUS_BROADCAST)
+ return 0;
+
+ status = hidpp20_map_adc_measurement_1f20(report->fap.params, &voltage);
+
+ hidpp->battery.online = status != POWER_SUPPLY_STATUS_UNKNOWN;
+
+ if (voltage != hidpp->battery.voltage || status != hidpp->battery.status) {
+ hidpp->battery.status = status;
+ hidpp->battery.voltage = voltage;
+ hidpp->battery.capacity = hidpp20_map_adc_measurement_1f20_capacity(hidpp->hid_dev, voltage);
+ if (hidpp->battery.ps)
+ power_supply_changed(hidpp->battery.ps);
+ hidpp_update_usb_wireless_status(hidpp);
+ }
+ return 0;
+}
+
+/* -------------------------------------------------------------------------- */
/* 0x2120: Hi-resolution scrolling */
/* -------------------------------------------------------------------------- */
@@ -1259,15 +2004,13 @@ static int hidpp_hrs_set_highres_scrolling_mode(struct hidpp_device *hidpp,
bool enabled, u8 *multiplier)
{
u8 feature_index;
- u8 feature_type;
int ret;
u8 params[1];
struct hidpp_report response;
ret = hidpp_root_get_feature(hidpp,
HIDPP_PAGE_HI_RESOLUTION_SCROLLING,
- &feature_index,
- &feature_type);
+ &feature_index);
if (ret)
return ret;
@@ -1294,12 +2037,11 @@ static int hidpp_hrw_get_wheel_capability(struct hidpp_device *hidpp,
u8 *multiplier)
{
u8 feature_index;
- u8 feature_type;
int ret;
struct hidpp_report response;
ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_HIRES_WHEEL,
- &feature_index, &feature_type);
+ &feature_index);
if (ret)
goto return_default;
@@ -1321,13 +2063,12 @@ static int hidpp_hrw_set_wheel_mode(struct hidpp_device *hidpp, bool invert,
bool high_resolution, bool use_hidpp)
{
u8 feature_index;
- u8 feature_type;
int ret;
u8 params[1];
struct hidpp_report response;
ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_HIRES_WHEEL,
- &feature_index, &feature_type);
+ &feature_index);
if (ret)
return ret;
@@ -1356,14 +2097,12 @@ static int hidpp_solar_request_battery_event(struct hidpp_device *hidpp)
{
struct hidpp_report response;
u8 params[2] = { 1, 1 };
- u8 feature_type;
int ret;
if (hidpp->battery.feature_index == 0xff) {
ret = hidpp_root_get_feature(hidpp,
HIDPP_PAGE_SOLAR_KEYBOARD,
- &hidpp->battery.solar_feature_index,
- &feature_type);
+ &hidpp->battery.solar_feature_index);
if (ret)
return ret;
}
@@ -1450,7 +2189,7 @@ struct hidpp_touchpad_fw_items {
uint8_t persistent;
};
-/**
+/*
* send a set state command to the device by reading the current items->state
* field. items is then filled with the current state.
*/
@@ -1487,8 +2226,8 @@ static int hidpp_touchpad_fw_items_set(struct hidpp_device *hidpp,
#define HIDPP_PAGE_TOUCHPAD_RAW_XY 0x6100
-#define CMD_TOUCHPAD_GET_RAW_INFO 0x01
-#define CMD_TOUCHPAD_SET_RAW_REPORT_STATE 0x21
+#define CMD_TOUCHPAD_GET_RAW_INFO 0x00
+#define CMD_TOUCHPAD_SET_RAW_REPORT_STATE 0x20
#define EVENT_TOUCHPAD_RAW_XY 0x00
@@ -1643,6 +2382,7 @@ static void hidpp_touchpad_raw_xy_event(struct hidpp_device *hidpp_dev,
#define HIDPP_FF_EFFECTID_NONE -1
#define HIDPP_FF_EFFECTID_AUTOCENTER -2
+#define HIDPP_AUTOCENTER_PARAMS_LENGTH 18
#define HIDPP_FF_MAX_PARAMS 20
#define HIDPP_FF_RESERVED_SLOTS 1
@@ -1766,7 +2506,7 @@ static void hidpp_ff_work_handler(struct work_struct *w)
/* regular effect destroyed */
data->effect_ids[wd->params[0]-1] = -1;
else if (wd->effect_id >= HIDPP_FF_EFFECTID_AUTOCENTER)
- /* autocenter spring destoyed */
+ /* autocenter spring destroyed */
data->slot_autocenter = 0;
break;
case HIDPP_FF_SET_GLOBAL_GAINS:
@@ -1801,11 +2541,10 @@ static int hidpp_ff_queue_work(struct hidpp_ff_private_data *data, int effect_id
wd->size = size;
memcpy(wd->params, params, size);
- atomic_inc(&data->workqueue_size);
+ s = atomic_inc_return(&data->workqueue_size);
queue_work(data->wq, &wd->work);
/* warn about excessive queue size */
- s = atomic_read(&data->workqueue_size);
if (s >= 20 && s % 20 == 0)
hid_warn(data->hidpp->hid_dev, "Force feedback command queue contains %d commands, causing substantial delays!", s);
@@ -1983,7 +2722,7 @@ static int hidpp_ff_erase_effect(struct input_dev *dev, int effect_id)
static void hidpp_ff_set_autocenter(struct input_dev *dev, u16 magnitude)
{
struct hidpp_ff_private_data *data = dev->ff->private;
- u8 params[18];
+ u8 params[HIDPP_AUTOCENTER_PARAMS_LENGTH];
dbg_hid("Setting autocenter to %d.\n", magnitude);
@@ -2051,29 +2790,47 @@ static DEVICE_ATTR(range, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH, hidpp
static void hidpp_ff_destroy(struct ff_device *ff)
{
struct hidpp_ff_private_data *data = ff->private;
+ struct hid_device *hid = data->hidpp->hid_dev;
+ hid_info(hid, "Unloading HID++ force feedback.\n");
+
+ device_remove_file(&hid->dev, &dev_attr_range);
+ destroy_workqueue(data->wq);
kfree(data->effect_ids);
}
-static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
+static int hidpp_ff_init(struct hidpp_device *hidpp,
+ struct hidpp_ff_private_data *data)
{
struct hid_device *hid = hidpp->hid_dev;
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *dev = hidinput->input;
- const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor);
- const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice);
+ struct hid_input *hidinput;
+ struct input_dev *dev;
+ struct usb_device_descriptor *udesc;
+ u16 bcdDevice;
struct ff_device *ff;
- struct hidpp_report response;
- struct hidpp_ff_private_data *data;
- int error, j, num_slots;
+ int error, j, num_slots = data->num_effects;
u8 version;
+ if (!hid_is_usb(hid)) {
+ hid_err(hid, "device is not USB\n");
+ return -ENODEV;
+ }
+
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
if (!dev) {
hid_err(hid, "Struct input_dev not set!\n");
return -EINVAL;
}
/* Get firmware release */
+ udesc = &(hid_to_usb_dev(hid)->descriptor);
+ bcdDevice = le16_to_cpu(udesc->bcdDevice);
version = bcdDevice & 255;
/* Set supported force feedback capabilities */
@@ -2083,27 +2840,17 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
for (j = 0; hidpp_ff_effects_v2[j] >= 0; j++)
set_bit(hidpp_ff_effects_v2[j], dev->ffbit);
- /* Read number of slots available in device */
- error = hidpp_send_fap_command_sync(hidpp, feature_index,
- HIDPP_FF_GET_INFO, NULL, 0, &response);
- if (error) {
- if (error < 0)
- return error;
- hid_err(hidpp->hid_dev, "%s: received protocol error 0x%02x\n",
- __func__, error);
- return -EPROTO;
- }
-
- num_slots = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS;
-
error = input_ff_create(dev, num_slots);
if (error) {
hid_err(dev, "Failed to create FF device!\n");
return error;
}
-
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ /*
+ * Create a copy of passed data, so we can transfer memory
+ * ownership to FF core
+ */
+ data = kmemdup(data, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->effect_ids = kcalloc(num_slots, sizeof(int), GFP_KERNEL);
@@ -2111,11 +2858,15 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
kfree(data);
return -ENOMEM;
}
+ data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue");
+ if (!data->wq) {
+ kfree(data->effect_ids);
+ kfree(data);
+ return -ENOMEM;
+ }
+
data->hidpp = hidpp;
- data->feature_index = feature_index;
data->version = version;
- data->slot_autocenter = 0;
- data->num_effects = num_slots;
for (j = 0; j < num_slots; j++)
data->effect_ids[j] = -1;
@@ -2129,69 +2880,20 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
ff->set_autocenter = hidpp_ff_set_autocenter;
ff->destroy = hidpp_ff_destroy;
-
- /* reset all forces */
- error = hidpp_send_fap_command_sync(hidpp, feature_index,
- HIDPP_FF_RESET_ALL, NULL, 0, &response);
-
- /* Read current Range */
- error = hidpp_send_fap_command_sync(hidpp, feature_index,
- HIDPP_FF_GET_APERTURE, NULL, 0, &response);
- if (error)
- hid_warn(hidpp->hid_dev, "Failed to read range from device!\n");
- data->range = error ? 900 : get_unaligned_be16(&response.fap.params[0]);
-
/* Create sysfs interface */
error = device_create_file(&(hidpp->hid_dev->dev), &dev_attr_range);
if (error)
hid_warn(hidpp->hid_dev, "Unable to create sysfs interface for \"range\", errno %d!\n", error);
- /* Read the current gain values */
- error = hidpp_send_fap_command_sync(hidpp, feature_index,
- HIDPP_FF_GET_GLOBAL_GAINS, NULL, 0, &response);
- if (error)
- hid_warn(hidpp->hid_dev, "Failed to read gain values from device!\n");
- data->gain = error ? 0xffff : get_unaligned_be16(&response.fap.params[0]);
- /* ignore boost value at response.fap.params[2] */
-
/* init the hardware command queue */
- data->wq = create_singlethread_workqueue("hidpp-ff-sendqueue");
atomic_set(&data->workqueue_size, 0);
- /* initialize with zero autocenter to get wheel in usable state */
- hidpp_ff_set_autocenter(dev, 0);
-
hid_info(hid, "Force feedback support loaded (firmware release %d).\n",
version);
return 0;
}
-static int hidpp_ff_deinit(struct hid_device *hid)
-{
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *dev = hidinput->input;
- struct hidpp_ff_private_data *data;
-
- if (!dev) {
- hid_err(hid, "Struct input_dev not found!\n");
- return -EINVAL;
- }
-
- hid_info(hid, "Unloading HID++ force feedback.\n");
- data = dev->ff->private;
- if (!data) {
- hid_err(hid, "Private data not found!\n");
- return -EINVAL;
- }
-
- destroy_workqueue(data->wq);
- device_remove_file(&hid->dev, &dev_attr_range);
-
- return 0;
-}
-
-
/* ************************************************************************** */
/* */
/* Device Support */
@@ -2205,7 +2907,6 @@ static int hidpp_ff_deinit(struct hid_device *hid)
#define WTP_MANUAL_RESOLUTION 39
struct wtp_data {
- struct input_dev *input;
u16 x_size, y_size;
u8 finger_count;
u8 mt_feature_index;
@@ -2223,7 +2924,7 @@ static int wtp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
}
static void wtp_populate_input(struct hidpp_device *hidpp,
- struct input_dev *input_dev, bool origin_is_hid_core)
+ struct input_dev *input_dev)
{
struct wtp_data *wd = hidpp->private_data;
@@ -2249,31 +2950,30 @@ static void wtp_populate_input(struct hidpp_device *hidpp,
input_mt_init_slots(input_dev, wd->maxcontacts, INPUT_MT_POINTER |
INPUT_MT_DROP_UNUSED);
-
- wd->input = input_dev;
}
-static void wtp_touch_event(struct wtp_data *wd,
+static void wtp_touch_event(struct hidpp_device *hidpp,
struct hidpp_touchpad_raw_xy_finger *touch_report)
{
+ struct wtp_data *wd = hidpp->private_data;
int slot;
if (!touch_report->finger_id || touch_report->contact_type)
/* no actual data */
return;
- slot = input_mt_get_slot_by_key(wd->input, touch_report->finger_id);
+ slot = input_mt_get_slot_by_key(hidpp->input, touch_report->finger_id);
- input_mt_slot(wd->input, slot);
- input_mt_report_slot_state(wd->input, MT_TOOL_FINGER,
+ input_mt_slot(hidpp->input, slot);
+ input_mt_report_slot_state(hidpp->input, MT_TOOL_FINGER,
touch_report->contact_status);
if (touch_report->contact_status) {
- input_event(wd->input, EV_ABS, ABS_MT_POSITION_X,
+ input_event(hidpp->input, EV_ABS, ABS_MT_POSITION_X,
touch_report->x);
- input_event(wd->input, EV_ABS, ABS_MT_POSITION_Y,
+ input_event(hidpp->input, EV_ABS, ABS_MT_POSITION_Y,
wd->flip_y ? wd->y_size - touch_report->y :
touch_report->y);
- input_event(wd->input, EV_ABS, ABS_MT_PRESSURE,
+ input_event(hidpp->input, EV_ABS, ABS_MT_PRESSURE,
touch_report->area);
}
}
@@ -2281,19 +2981,18 @@ static void wtp_touch_event(struct wtp_data *wd,
static void wtp_send_raw_xy_event(struct hidpp_device *hidpp,
struct hidpp_touchpad_raw_xy *raw)
{
- struct wtp_data *wd = hidpp->private_data;
int i;
for (i = 0; i < 2; i++)
- wtp_touch_event(wd, &(raw->fingers[i]));
+ wtp_touch_event(hidpp, &(raw->fingers[i]));
if (raw->end_of_frame &&
!(hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS))
- input_event(wd->input, EV_KEY, BTN_LEFT, raw->button);
+ input_event(hidpp->input, EV_KEY, BTN_LEFT, raw->button);
if (raw->end_of_frame || raw->finger_count <= 2) {
- input_mt_sync_frame(wd->input);
- input_sync(wd->input);
+ input_mt_sync_frame(hidpp->input);
+ input_sync(hidpp->input);
}
}
@@ -2343,7 +3042,7 @@ static int wtp_raw_event(struct hid_device *hdev, u8 *data, int size)
struct hidpp_report *report = (struct hidpp_report *)data;
struct hidpp_touchpad_raw_xy raw;
- if (!wd || !wd->input)
+ if (!wd || !hidpp->input)
return 1;
switch (data[0]) {
@@ -2354,11 +3053,11 @@ static int wtp_raw_event(struct hid_device *hdev, u8 *data, int size)
return 1;
}
if (hidpp->quirks & HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS) {
- input_event(wd->input, EV_KEY, BTN_LEFT,
+ input_event(hidpp->input, EV_KEY, BTN_LEFT,
!!(data[1] & 0x01));
- input_event(wd->input, EV_KEY, BTN_RIGHT,
+ input_event(hidpp->input, EV_KEY, BTN_RIGHT,
!!(data[1] & 0x02));
- input_sync(wd->input);
+ input_sync(hidpp->input);
return 0;
} else {
if (size < 21)
@@ -2383,11 +3082,10 @@ static int wtp_get_config(struct hidpp_device *hidpp)
{
struct wtp_data *wd = hidpp->private_data;
struct hidpp_touchpad_raw_info raw_info = {0};
- u8 feature_type;
int ret;
ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_TOUCHPAD_RAW_XY,
- &wd->mt_feature_index, &feature_type);
+ &wd->mt_feature_index);
if (ret)
/* means that the device is not powered up */
return ret;
@@ -2423,7 +3121,7 @@ static int wtp_allocate(struct hid_device *hdev, const struct hid_device_id *id)
return 0;
};
-static int wtp_connect(struct hid_device *hdev, bool connected)
+static int wtp_connect(struct hid_device *hdev)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
struct wtp_data *wd = hidpp->private_data;
@@ -2476,10 +3174,6 @@ static int wtp_connect(struct hid_device *hdev, bool connected)
static const u8 m560_config_parameter[] = {0x00, 0xaf, 0x03};
-struct m560_private_data {
- struct input_dev *input;
-};
-
/* how buttons are mapped in the report */
#define M560_MOUSE_BTN_LEFT 0x01
#define M560_MOUSE_BTN_RIGHT 0x02
@@ -2489,7 +3183,7 @@ struct m560_private_data {
#define M560_SUB_ID 0x0a
#define M560_BUTTON_MODE_REGISTER 0x35
-static int m560_send_config_command(struct hid_device *hdev, bool connected)
+static int m560_send_config_command(struct hid_device *hdev)
{
struct hidpp_report response;
struct hidpp_device *hidpp_dev;
@@ -2507,28 +3201,12 @@ static int m560_send_config_command(struct hid_device *hdev, bool connected)
);
}
-static int m560_allocate(struct hid_device *hdev)
-{
- struct hidpp_device *hidpp = hid_get_drvdata(hdev);
- struct m560_private_data *d;
-
- d = devm_kzalloc(&hdev->dev, sizeof(struct m560_private_data),
- GFP_KERNEL);
- if (!d)
- return -ENOMEM;
-
- hidpp->private_data = d;
-
- return 0;
-};
-
static int m560_raw_event(struct hid_device *hdev, u8 *data, int size)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
- struct m560_private_data *mydata = hidpp->private_data;
/* sanity check */
- if (!mydata || !mydata->input) {
+ if (!hidpp->input) {
hid_err(hdev, "error in parameter\n");
return -EINVAL;
}
@@ -2555,24 +3233,24 @@ static int m560_raw_event(struct hid_device *hdev, u8 *data, int size)
switch (data[5]) {
case 0xaf:
- input_report_key(mydata->input, BTN_MIDDLE, 1);
+ input_report_key(hidpp->input, BTN_MIDDLE, 1);
break;
case 0xb0:
- input_report_key(mydata->input, BTN_FORWARD, 1);
+ input_report_key(hidpp->input, BTN_FORWARD, 1);
break;
case 0xae:
- input_report_key(mydata->input, BTN_BACK, 1);
+ input_report_key(hidpp->input, BTN_BACK, 1);
break;
case 0x00:
- input_report_key(mydata->input, BTN_BACK, 0);
- input_report_key(mydata->input, BTN_FORWARD, 0);
- input_report_key(mydata->input, BTN_MIDDLE, 0);
+ input_report_key(hidpp->input, BTN_BACK, 0);
+ input_report_key(hidpp->input, BTN_FORWARD, 0);
+ input_report_key(hidpp->input, BTN_MIDDLE, 0);
break;
default:
hid_err(hdev, "error in report\n");
return 0;
}
- input_sync(mydata->input);
+ input_sync(hidpp->input);
} else if (data[0] == 0x02) {
/*
@@ -2586,58 +3264,55 @@ static int m560_raw_event(struct hid_device *hdev, u8 *data, int size)
int v;
- input_report_key(mydata->input, BTN_LEFT,
+ input_report_key(hidpp->input, BTN_LEFT,
!!(data[1] & M560_MOUSE_BTN_LEFT));
- input_report_key(mydata->input, BTN_RIGHT,
+ input_report_key(hidpp->input, BTN_RIGHT,
!!(data[1] & M560_MOUSE_BTN_RIGHT));
if (data[1] & M560_MOUSE_BTN_WHEEL_LEFT) {
- input_report_rel(mydata->input, REL_HWHEEL, -1);
- input_report_rel(mydata->input, REL_HWHEEL_HI_RES,
+ input_report_rel(hidpp->input, REL_HWHEEL, -1);
+ input_report_rel(hidpp->input, REL_HWHEEL_HI_RES,
-120);
} else if (data[1] & M560_MOUSE_BTN_WHEEL_RIGHT) {
- input_report_rel(mydata->input, REL_HWHEEL, 1);
- input_report_rel(mydata->input, REL_HWHEEL_HI_RES,
+ input_report_rel(hidpp->input, REL_HWHEEL, 1);
+ input_report_rel(hidpp->input, REL_HWHEEL_HI_RES,
120);
}
- v = hid_snto32(hid_field_extract(hdev, data+3, 0, 12), 12);
- input_report_rel(mydata->input, REL_X, v);
+ v = sign_extend32(hid_field_extract(hdev, data + 3, 0, 12), 11);
+ input_report_rel(hidpp->input, REL_X, v);
- v = hid_snto32(hid_field_extract(hdev, data+3, 12, 12), 12);
- input_report_rel(mydata->input, REL_Y, v);
+ v = sign_extend32(hid_field_extract(hdev, data + 3, 12, 12), 11);
+ input_report_rel(hidpp->input, REL_Y, v);
- v = hid_snto32(data[6], 8);
- hidpp_scroll_counter_handle_scroll(
- &hidpp->vertical_wheel_counter, v);
+ v = sign_extend32(data[6], 7);
+ if (v != 0)
+ hidpp_scroll_counter_handle_scroll(hidpp->input,
+ &hidpp->vertical_wheel_counter, v);
- input_sync(mydata->input);
+ input_sync(hidpp->input);
}
return 1;
}
static void m560_populate_input(struct hidpp_device *hidpp,
- struct input_dev *input_dev, bool origin_is_hid_core)
+ struct input_dev *input_dev)
{
- struct m560_private_data *mydata = hidpp->private_data;
-
- mydata->input = input_dev;
-
- __set_bit(EV_KEY, mydata->input->evbit);
- __set_bit(BTN_MIDDLE, mydata->input->keybit);
- __set_bit(BTN_RIGHT, mydata->input->keybit);
- __set_bit(BTN_LEFT, mydata->input->keybit);
- __set_bit(BTN_BACK, mydata->input->keybit);
- __set_bit(BTN_FORWARD, mydata->input->keybit);
-
- __set_bit(EV_REL, mydata->input->evbit);
- __set_bit(REL_X, mydata->input->relbit);
- __set_bit(REL_Y, mydata->input->relbit);
- __set_bit(REL_WHEEL, mydata->input->relbit);
- __set_bit(REL_HWHEEL, mydata->input->relbit);
- __set_bit(REL_WHEEL_HI_RES, mydata->input->relbit);
- __set_bit(REL_HWHEEL_HI_RES, mydata->input->relbit);
+ __set_bit(EV_KEY, input_dev->evbit);
+ __set_bit(BTN_MIDDLE, input_dev->keybit);
+ __set_bit(BTN_RIGHT, input_dev->keybit);
+ __set_bit(BTN_LEFT, input_dev->keybit);
+ __set_bit(BTN_BACK, input_dev->keybit);
+ __set_bit(BTN_FORWARD, input_dev->keybit);
+
+ __set_bit(EV_REL, input_dev->evbit);
+ __set_bit(REL_X, input_dev->relbit);
+ __set_bit(REL_Y, input_dev->relbit);
+ __set_bit(REL_WHEEL, input_dev->relbit);
+ __set_bit(REL_HWHEEL, input_dev->relbit);
+ __set_bit(REL_WHEEL_HI_RES, input_dev->relbit);
+ __set_bit(REL_HWHEEL_HI_RES, input_dev->relbit);
}
static int m560_input_mapping(struct hid_device *hdev, struct hid_input *hi,
@@ -2670,12 +3345,11 @@ static int k400_disable_tap_to_click(struct hidpp_device *hidpp)
struct k400_private_data *k400 = hidpp->private_data;
struct hidpp_touchpad_fw_items items = {};
int ret;
- u8 feature_type;
if (!k400->feature_index) {
ret = hidpp_root_get_feature(hidpp,
HIDPP_PAGE_TOUCHPAD_FW_ITEMS,
- &k400->feature_index, &feature_type);
+ &k400->feature_index);
if (ret)
/* means that the device is not powered up */
return ret;
@@ -2703,7 +3377,7 @@ static int k400_allocate(struct hid_device *hdev)
return 0;
};
-static int k400_connect(struct hid_device *hdev, bool connected)
+static int k400_connect(struct hid_device *hdev)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
@@ -2719,24 +3393,281 @@ static int k400_connect(struct hid_device *hdev, bool connected)
#define HIDPP_PAGE_G920_FORCE_FEEDBACK 0x8123
-static int g920_get_config(struct hidpp_device *hidpp)
+static int g920_ff_set_autocenter(struct hidpp_device *hidpp,
+ struct hidpp_ff_private_data *data)
{
- u8 feature_type;
- u8 feature_index;
+ struct hidpp_report response;
+ u8 params[HIDPP_AUTOCENTER_PARAMS_LENGTH] = {
+ [1] = HIDPP_FF_EFFECT_SPRING | HIDPP_FF_EFFECT_AUTOSTART,
+ };
int ret;
+ /* initialize with zero autocenter to get wheel in usable state */
+
+ dbg_hid("Setting autocenter to 0.\n");
+ ret = hidpp_send_fap_command_sync(hidpp, data->feature_index,
+ HIDPP_FF_DOWNLOAD_EFFECT,
+ params, ARRAY_SIZE(params),
+ &response);
+ if (ret)
+ hid_warn(hidpp->hid_dev, "Failed to autocenter device!\n");
+ else
+ data->slot_autocenter = response.fap.params[0];
+
+ return ret;
+}
+
+static int g920_get_config(struct hidpp_device *hidpp,
+ struct hidpp_ff_private_data *data)
+{
+ struct hidpp_report response;
+ int ret;
+
+ memset(data, 0, sizeof(*data));
+
/* Find feature and store for later use */
ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_G920_FORCE_FEEDBACK,
- &feature_index, &feature_type);
+ &data->feature_index);
if (ret)
return ret;
- ret = hidpp_ff_init(hidpp, feature_index);
+ /* Read number of slots available in device */
+ ret = hidpp_send_fap_command_sync(hidpp, data->feature_index,
+ HIDPP_FF_GET_INFO,
+ NULL, 0,
+ &response);
+ if (ret) {
+ if (ret < 0)
+ return ret;
+ hid_err(hidpp->hid_dev,
+ "%s: received protocol error 0x%02x\n", __func__, ret);
+ return -EPROTO;
+ }
+
+ data->num_effects = response.fap.params[0] - HIDPP_FF_RESERVED_SLOTS;
+
+ /* reset all forces */
+ ret = hidpp_send_fap_command_sync(hidpp, data->feature_index,
+ HIDPP_FF_RESET_ALL,
+ NULL, 0,
+ &response);
if (ret)
- hid_warn(hidpp->hid_dev, "Unable to initialize force feedback support, errno %d\n",
- ret);
+ hid_warn(hidpp->hid_dev, "Failed to reset all forces!\n");
- return 0;
+ ret = hidpp_send_fap_command_sync(hidpp, data->feature_index,
+ HIDPP_FF_GET_APERTURE,
+ NULL, 0,
+ &response);
+ if (ret) {
+ hid_warn(hidpp->hid_dev,
+ "Failed to read range from device!\n");
+ }
+ data->range = ret ?
+ 900 : get_unaligned_be16(&response.fap.params[0]);
+
+ /* Read the current gain values */
+ ret = hidpp_send_fap_command_sync(hidpp, data->feature_index,
+ HIDPP_FF_GET_GLOBAL_GAINS,
+ NULL, 0,
+ &response);
+ if (ret)
+ hid_warn(hidpp->hid_dev,
+ "Failed to read gain values from device!\n");
+ data->gain = ret ?
+ 0xffff : get_unaligned_be16(&response.fap.params[0]);
+
+ /* ignore boost value at response.fap.params[2] */
+
+ return g920_ff_set_autocenter(hidpp, data);
+}
+
+/* -------------------------------------------------------------------------- */
+/* Logitech Dinovo Mini keyboard with builtin touchpad */
+/* -------------------------------------------------------------------------- */
+#define DINOVO_MINI_PRODUCT_ID 0xb30c
+
+static int lg_dinovo_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
+ return 0;
+
+ switch (usage->hid & HID_USAGE) {
+ case 0x00d: lg_map_key_clear(KEY_MEDIA); break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+/* -------------------------------------------------------------------------- */
+/* HID++1.0 devices which use HID++ reports for their wheels */
+/* -------------------------------------------------------------------------- */
+static int hidpp10_wheel_connect(struct hidpp_device *hidpp)
+{
+ return hidpp10_set_register(hidpp, HIDPP_REG_ENABLE_REPORTS, 0,
+ HIDPP_ENABLE_WHEEL_REPORT | HIDPP_ENABLE_HWHEEL_REPORT,
+ HIDPP_ENABLE_WHEEL_REPORT | HIDPP_ENABLE_HWHEEL_REPORT);
+}
+
+static int hidpp10_wheel_raw_event(struct hidpp_device *hidpp,
+ u8 *data, int size)
+{
+ s8 value, hvalue;
+
+ if (!hidpp->input)
+ return -EINVAL;
+
+ if (size < 7)
+ return 0;
+
+ if (data[0] != REPORT_ID_HIDPP_SHORT || data[2] != HIDPP_SUB_ID_ROLLER)
+ return 0;
+
+ value = data[3];
+ hvalue = data[4];
+
+ input_report_rel(hidpp->input, REL_WHEEL, value);
+ input_report_rel(hidpp->input, REL_WHEEL_HI_RES, value * 120);
+ input_report_rel(hidpp->input, REL_HWHEEL, hvalue);
+ input_report_rel(hidpp->input, REL_HWHEEL_HI_RES, hvalue * 120);
+ input_sync(hidpp->input);
+
+ return 1;
+}
+
+static void hidpp10_wheel_populate_input(struct hidpp_device *hidpp,
+ struct input_dev *input_dev)
+{
+ __set_bit(EV_REL, input_dev->evbit);
+ __set_bit(REL_WHEEL, input_dev->relbit);
+ __set_bit(REL_WHEEL_HI_RES, input_dev->relbit);
+ __set_bit(REL_HWHEEL, input_dev->relbit);
+ __set_bit(REL_HWHEEL_HI_RES, input_dev->relbit);
+}
+
+/* -------------------------------------------------------------------------- */
+/* HID++1.0 mice which use HID++ reports for extra mouse buttons */
+/* -------------------------------------------------------------------------- */
+static int hidpp10_extra_mouse_buttons_connect(struct hidpp_device *hidpp)
+{
+ return hidpp10_set_register(hidpp, HIDPP_REG_ENABLE_REPORTS, 0,
+ HIDPP_ENABLE_MOUSE_EXTRA_BTN_REPORT,
+ HIDPP_ENABLE_MOUSE_EXTRA_BTN_REPORT);
+}
+
+static int hidpp10_extra_mouse_buttons_raw_event(struct hidpp_device *hidpp,
+ u8 *data, int size)
+{
+ int i;
+
+ if (!hidpp->input)
+ return -EINVAL;
+
+ if (size < 7)
+ return 0;
+
+ if (data[0] != REPORT_ID_HIDPP_SHORT ||
+ data[2] != HIDPP_SUB_ID_MOUSE_EXTRA_BTNS)
+ return 0;
+
+ /*
+ * Buttons are either delivered through the regular mouse report *or*
+ * through the extra buttons report. At least for button 6 how it is
+ * delivered differs per receiver firmware version. Even receivers with
+ * the same usb-id show different behavior, so we handle both cases.
+ */
+ for (i = 0; i < 8; i++)
+ input_report_key(hidpp->input, BTN_MOUSE + i,
+ (data[3] & (1 << i)));
+
+ /* Some mice report events on button 9+, use BTN_MISC */
+ for (i = 0; i < 8; i++)
+ input_report_key(hidpp->input, BTN_MISC + i,
+ (data[4] & (1 << i)));
+
+ input_sync(hidpp->input);
+ return 1;
+}
+
+static void hidpp10_extra_mouse_buttons_populate_input(
+ struct hidpp_device *hidpp, struct input_dev *input_dev)
+{
+ /* BTN_MOUSE - BTN_MOUSE+7 are set already by the descriptor */
+ __set_bit(BTN_0, input_dev->keybit);
+ __set_bit(BTN_1, input_dev->keybit);
+ __set_bit(BTN_2, input_dev->keybit);
+ __set_bit(BTN_3, input_dev->keybit);
+ __set_bit(BTN_4, input_dev->keybit);
+ __set_bit(BTN_5, input_dev->keybit);
+ __set_bit(BTN_6, input_dev->keybit);
+ __set_bit(BTN_7, input_dev->keybit);
+}
+
+/* -------------------------------------------------------------------------- */
+/* HID++1.0 kbds which only report 0x10xx consumer usages through sub-id 0x03 */
+/* -------------------------------------------------------------------------- */
+
+/* Find the consumer-page input report desc and change Maximums to 0x107f */
+static u8 *hidpp10_consumer_keys_report_fixup(struct hidpp_device *hidpp,
+ u8 *_rdesc, unsigned int *rsize)
+{
+ /* Note 0 terminated so we can use strnstr to search for this. */
+ static const char consumer_rdesc_start[] = {
+ 0x05, 0x0C, /* USAGE_PAGE (Consumer Devices) */
+ 0x09, 0x01, /* USAGE (Consumer Control) */
+ 0xA1, 0x01, /* COLLECTION (Application) */
+ 0x85, 0x03, /* REPORT_ID = 3 */
+ 0x75, 0x10, /* REPORT_SIZE (16) */
+ 0x95, 0x02, /* REPORT_COUNT (2) */
+ 0x15, 0x01, /* LOGICAL_MIN (1) */
+ 0x26, 0x00 /* LOGICAL_MAX (... */
+ };
+ char *consumer_rdesc, *rdesc = (char *)_rdesc;
+ unsigned int size;
+
+ consumer_rdesc = strnstr(rdesc, consumer_rdesc_start, *rsize);
+ size = *rsize - (consumer_rdesc - rdesc);
+ if (consumer_rdesc && size >= 25) {
+ consumer_rdesc[15] = 0x7f;
+ consumer_rdesc[16] = 0x10;
+ consumer_rdesc[20] = 0x7f;
+ consumer_rdesc[21] = 0x10;
+ }
+ return _rdesc;
+}
+
+static int hidpp10_consumer_keys_connect(struct hidpp_device *hidpp)
+{
+ return hidpp10_set_register(hidpp, HIDPP_REG_ENABLE_REPORTS, 0,
+ HIDPP_ENABLE_CONSUMER_REPORT,
+ HIDPP_ENABLE_CONSUMER_REPORT);
+}
+
+static int hidpp10_consumer_keys_raw_event(struct hidpp_device *hidpp,
+ u8 *data, int size)
+{
+ u8 consumer_report[5];
+
+ if (size < 7)
+ return 0;
+
+ if (data[0] != REPORT_ID_HIDPP_SHORT ||
+ data[2] != HIDPP_SUB_ID_CONSUMER_VENDOR_KEYS)
+ return 0;
+
+ /*
+ * Build a normal consumer report (3) out of the data, this detour
+ * is necessary to get some keyboards to report their 0x10xx usages.
+ */
+ consumer_report[0] = 0x03;
+ memcpy(&consumer_report[1], &data[3], 4);
+ /* We are called from atomic context */
+ hid_report_raw_event(hidpp->hid_dev, HID_INPUT_REPORT,
+ consumer_report, 5, 1);
+
+ return 1;
}
/* -------------------------------------------------------------------------- */
@@ -2748,25 +3679,67 @@ static int hi_res_scroll_enable(struct hidpp_device *hidpp)
int ret;
u8 multiplier = 1;
- if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2121) {
+ if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP20_HI_RES_WHEEL) {
ret = hidpp_hrw_set_wheel_mode(hidpp, false, true, false);
if (ret == 0)
ret = hidpp_hrw_get_wheel_capability(hidpp, &multiplier);
- } else if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2120) {
+ } else if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP20_HI_RES_SCROLL) {
ret = hidpp_hrs_set_highres_scrolling_mode(hidpp, true,
&multiplier);
- } else /* if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_1P0) */ {
+ } else /* if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP10_FAST_SCROLL) */ {
ret = hidpp10_enable_scrolling_acceleration(hidpp);
multiplier = 8;
}
- if (ret)
+ if (ret) {
+ hid_dbg(hidpp->hid_dev,
+ "Could not enable hi-res scrolling: %d\n", ret);
return ret;
+ }
- if (multiplier == 0)
+ if (multiplier == 0) {
+ hid_dbg(hidpp->hid_dev,
+ "Invalid multiplier 0 from device, setting it to 1\n");
multiplier = 1;
+ }
hidpp->vertical_wheel_counter.wheel_multiplier = multiplier;
- hid_info(hidpp->hid_dev, "multiplier = %d\n", multiplier);
+ hid_dbg(hidpp->hid_dev, "wheel multiplier = %d\n", multiplier);
+ return 0;
+}
+
+static int hidpp_initialize_hires_scroll(struct hidpp_device *hidpp)
+{
+ int ret;
+ unsigned long capabilities;
+
+ capabilities = hidpp->capabilities;
+
+ if (hidpp->protocol_major >= 2) {
+ u8 feature_index;
+
+ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_HIRES_WHEEL,
+ &feature_index);
+ if (!ret) {
+ hidpp->capabilities |= HIDPP_CAPABILITY_HIDPP20_HI_RES_WHEEL;
+ hid_dbg(hidpp->hid_dev, "Detected HID++ 2.0 hi-res scroll wheel\n");
+ return 0;
+ }
+ ret = hidpp_root_get_feature(hidpp, HIDPP_PAGE_HI_RESOLUTION_SCROLLING,
+ &feature_index);
+ if (!ret) {
+ hidpp->capabilities |= HIDPP_CAPABILITY_HIDPP20_HI_RES_SCROLL;
+ hid_dbg(hidpp->hid_dev, "Detected HID++ 2.0 hi-res scrolling\n");
+ }
+ } else {
+ /* We cannot detect fast scrolling support on HID++ 1.0 devices */
+ if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_1P0) {
+ hidpp->capabilities |= HIDPP_CAPABILITY_HIDPP10_FAST_SCROLL;
+ hid_dbg(hidpp->hid_dev, "Detected HID++ 1.0 fast scroll\n");
+ }
+ }
+
+ if (hidpp->capabilities == capabilities)
+ hid_dbg(hidpp->hid_dev, "Did not detect HID++ hi-res scrolling hardware support\n");
return 0;
}
@@ -2774,18 +3747,40 @@ static int hi_res_scroll_enable(struct hidpp_device *hidpp)
/* Generic HID++ devices */
/* -------------------------------------------------------------------------- */
+static const u8 *hidpp_report_fixup(struct hid_device *hdev, u8 *rdesc,
+ unsigned int *rsize)
+{
+ struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+
+ if (!hidpp)
+ return rdesc;
+
+ /* For 27 MHz keyboards the quirk gets set after hid_parse. */
+ if (hdev->group == HID_GROUP_LOGITECH_27MHZ_DEVICE ||
+ (hidpp->quirks & HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS))
+ rdesc = hidpp10_consumer_keys_report_fixup(hidpp, rdesc, rsize);
+
+ return rdesc;
+}
+
static int hidpp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+ if (!hidpp)
+ return 0;
+
if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)
return wtp_input_mapping(hdev, hi, field, usage, bit, max);
else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560 &&
field->application != HID_GD_MOUSE)
return m560_input_mapping(hdev, hi, field, usage, bit, max);
+ if (hdev->product == DINOVO_MINI_PRODUCT_ID)
+ return lg_dinovo_input_mapping(hdev, hi, field, usage, bit, max);
+
return 0;
}
@@ -2795,6 +3790,9 @@ static int hidpp_input_mapped(struct hid_device *hdev, struct hid_input *hi,
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+ if (!hidpp)
+ return 0;
+
/* Ensure that Logitech G920 is not given a default fuzz/flat value */
if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) {
if (usage->type == EV_ABS && (usage->code == ABS_X ||
@@ -2809,15 +3807,20 @@ static int hidpp_input_mapped(struct hid_device *hdev, struct hid_input *hi,
static void hidpp_populate_input(struct hidpp_device *hidpp,
- struct input_dev *input, bool origin_is_hid_core)
+ struct input_dev *input)
{
+ hidpp->input = input;
+
if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)
- wtp_populate_input(hidpp, input, origin_is_hid_core);
+ wtp_populate_input(hidpp, input);
else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560)
- m560_populate_input(hidpp, input, origin_is_hid_core);
+ m560_populate_input(hidpp, input);
+
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_WHEELS)
+ hidpp10_wheel_populate_input(hidpp, input);
- if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL)
- hidpp->vertical_wheel_counter.dev = input;
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_EXTRA_MOUSE_BTNS)
+ hidpp10_extra_mouse_buttons_populate_input(hidpp, input);
}
static int hidpp_input_configured(struct hid_device *hdev,
@@ -2826,7 +3829,10 @@ static int hidpp_input_configured(struct hid_device *hdev,
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
struct input_dev *input = hidinput->input;
- hidpp_populate_input(hidpp, input, true);
+ if (!hidpp)
+ return 0;
+
+ hidpp_populate_input(hidpp, input);
return 0;
}
@@ -2838,6 +3844,7 @@ static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,
struct hidpp_report *answer = hidpp->send_receive_buf;
struct hidpp_report *report = (struct hidpp_report *)data;
int ret;
+ int last_online;
/*
* If the mutex is locked then we have a pending answer from a
@@ -2863,21 +3870,39 @@ static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,
}
}
- if (unlikely(hidpp_report_is_connect_event(report))) {
- atomic_set(&hidpp->connected,
- !(report->rap.params[0] & (1 << 6)));
+ if (unlikely(hidpp_report_is_connect_event(hidpp, report))) {
if (schedule_work(&hidpp->work) == 0)
dbg_hid("%s: connect event already queued\n", __func__);
return 1;
}
+ if (hidpp->hid_dev->group == HID_GROUP_LOGITECH_27MHZ_DEVICE &&
+ data[0] == REPORT_ID_HIDPP_SHORT &&
+ data[2] == HIDPP_SUB_ID_USER_IFACE_EVENT &&
+ (data[3] & HIDPP_USER_IFACE_EVENT_ENCRYPTION_KEY_LOST)) {
+ dev_err_ratelimited(&hidpp->hid_dev->dev,
+ "Error the keyboard's wireless encryption key has been lost, your keyboard will not work unless you re-configure encryption.\n");
+ dev_err_ratelimited(&hidpp->hid_dev->dev,
+ "See: https://gitlab.freedesktop.org/jwrdegoede/logitech-27mhz-keyboard-encryption-setup/\n");
+ }
+
+ last_online = hidpp->battery.online;
if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP20_BATTERY) {
- ret = hidpp20_battery_event(hidpp, data, size);
+ ret = hidpp20_battery_event_1000(hidpp, data, size);
+ if (ret != 0)
+ return ret;
+ ret = hidpp20_battery_event_1004(hidpp, data, size);
if (ret != 0)
return ret;
ret = hidpp_solar_battery_event(hidpp, data, size);
if (ret != 0)
return ret;
+ ret = hidpp20_battery_voltage_event(hidpp, data, size);
+ if (ret != 0)
+ return ret;
+ ret = hidpp20_adc_measurement_event_1f20(hidpp, data, size);
+ if (ret != 0)
+ return ret;
}
if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP10_BATTERY) {
@@ -2886,6 +3911,29 @@ static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,
return ret;
}
+ if (hidpp->quirks & HIDPP_QUIRK_RESET_HI_RES_SCROLL) {
+ if (last_online == 0 && hidpp->battery.online == 1)
+ schedule_work(&hidpp->reset_hi_res_work);
+ }
+
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_WHEELS) {
+ ret = hidpp10_wheel_raw_event(hidpp, data, size);
+ if (ret != 0)
+ return ret;
+ }
+
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_EXTRA_MOUSE_BTNS) {
+ ret = hidpp10_extra_mouse_buttons_raw_event(hidpp, data, size);
+ if (ret != 0)
+ return ret;
+ }
+
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS) {
+ ret = hidpp10_consumer_keys_raw_event(hidpp, data, size);
+ if (ret != 0)
+ return ret;
+ }
+
return 0;
}
@@ -2895,10 +3943,13 @@ static int hidpp_raw_event(struct hid_device *hdev, struct hid_report *report,
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
int ret = 0;
+ if (!hidpp)
+ return 0;
+
/* Generic HID++ processing. */
switch (data[0]) {
case REPORT_ID_HIDPP_VERY_LONG:
- if (size != HIDPP_REPORT_VERY_LONG_LENGTH) {
+ if (size != hidpp->very_long_report_length) {
hid_err(hdev, "received hid++ report of bad size (%d)",
size);
return 1;
@@ -2943,17 +3994,23 @@ static int hidpp_event(struct hid_device *hdev, struct hid_field *field,
* restriction imposed in hidpp_usages.
*/
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
- struct hidpp_scroll_counter *counter = &hidpp->vertical_wheel_counter;
+ struct hidpp_scroll_counter *counter;
+
+ if (!hidpp)
+ return 0;
+
+ counter = &hidpp->vertical_wheel_counter;
/* A scroll event may occur before the multiplier has been retrieved or
* the input device set, or high-res scroll enabling may fail. In such
* cases we must return early (falling back to default behaviour) to
* avoid a crash in hidpp_scroll_counter_handle_scroll.
*/
- if (!(hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL) || value == 0
- || counter->dev == NULL || counter->wheel_multiplier == 0)
+ if (!(hidpp->capabilities & HIDPP_CAPABILITY_HI_RES_SCROLL)
+ || value == 0 || hidpp->input == NULL
+ || counter->wheel_multiplier == 0)
return 0;
- hidpp_scroll_counter_handle_scroll(counter, value);
+ hidpp_scroll_counter_handle_scroll(hidpp->input, counter, value);
return 1;
}
@@ -2973,12 +4030,24 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp)
hidpp->battery.feature_index = 0xff;
hidpp->battery.solar_feature_index = 0xff;
+ hidpp->battery.voltage_feature_index = 0xff;
+ hidpp->battery.adc_measurement_feature_index = 0xff;
if (hidpp->protocol_major >= 2) {
if (hidpp->quirks & HIDPP_QUIRK_CLASS_K750)
ret = hidpp_solar_request_battery_event(hidpp);
- else
- ret = hidpp20_query_battery_info(hidpp);
+ else {
+ /* we only support one battery feature right now, so let's
+ first check the ones that support battery level first
+ and leave voltage for last */
+ ret = hidpp20_query_battery_info_1000(hidpp);
+ if (ret)
+ ret = hidpp20_query_battery_info_1004(hidpp);
+ if (ret)
+ ret = hidpp20_query_battery_voltage_info(hidpp);
+ if (ret)
+ ret = hidpp20_query_adc_measurement_info_1f20(hidpp);
+ }
if (ret)
return ret;
@@ -3003,9 +4072,12 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp)
if (!battery_props)
return -ENOMEM;
- num_battery_props = ARRAY_SIZE(hidpp_battery_props) - 2;
+ num_battery_props = ARRAY_SIZE(hidpp_battery_props) - 3;
- if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_MILEAGE)
+ if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_MILEAGE ||
+ hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_PERCENTAGE ||
+ hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_VOLTAGE ||
+ hidpp->capabilities & HIDPP_CAPABILITY_ADC_MEASUREMENT)
battery_props[num_battery_props++] =
POWER_SUPPLY_PROP_CAPACITY;
@@ -3013,6 +4085,11 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp)
battery_props[num_battery_props++] =
POWER_SUPPLY_PROP_CAPACITY_LEVEL;
+ if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_VOLTAGE ||
+ hidpp->capabilities & HIDPP_CAPABILITY_ADC_MEASUREMENT)
+ battery_props[num_battery_props++] =
+ POWER_SUPPLY_PROP_VOLTAGE_NOW;
+
battery = &hidpp->battery;
n = atomic_inc_return(&battery_no) - 1;
@@ -3035,24 +4112,22 @@ static int hidpp_initialize_battery(struct hidpp_device *hidpp)
return ret;
}
-static void hidpp_overwrite_name(struct hid_device *hdev)
+/* Get name + serial for USB and Bluetooth HID++ devices */
+static void hidpp_non_unifying_init(struct hidpp_device *hidpp)
{
- struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+ struct hid_device *hdev = hidpp->hid_dev;
char *name;
- if (hidpp->protocol_major < 2)
- return;
+ /* Bluetooth devices already have their serialnr set */
+ if (hid_is_usb(hdev))
+ hidpp_serial_init(hidpp);
name = hidpp_get_device_name(hidpp);
-
- if (!name) {
- hid_err(hdev, "unable to retrieve the name of the device");
- } else {
+ if (name) {
dbg_hid("HID++: Got name: %s\n", name);
snprintf(hdev->name, sizeof(hdev->name), "%s", name);
+ kfree(name);
}
-
- kfree(name);
}
static int hidpp_input_open(struct input_dev *dev)
@@ -3093,15 +4168,18 @@ static struct input_dev *hidpp_allocate_input(struct hid_device *hdev)
return input_dev;
}
-static void hidpp_connect_event(struct hidpp_device *hidpp)
+static void hidpp_connect_event(struct work_struct *work)
{
+ struct hidpp_device *hidpp = container_of(work, struct hidpp_device, work);
struct hid_device *hdev = hidpp->hid_dev;
- int ret = 0;
- bool connected = atomic_read(&hidpp->connected);
struct input_dev *input;
char *name, *devm_name;
+ int ret;
- if (!connected) {
+ /* Get device version to check if it is connected */
+ ret = hidpp_root_get_protocol_version(hidpp);
+ if (ret) {
+ hid_dbg(hidpp->hid_dev, "Disconnected\n");
if (hidpp->battery.ps) {
hidpp->battery.online = false;
hidpp->battery.status = POWER_SUPPLY_STATUS_UNKNOWN;
@@ -3112,48 +4190,60 @@ static void hidpp_connect_event(struct hidpp_device *hidpp)
}
if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) {
- ret = wtp_connect(hdev, connected);
+ ret = wtp_connect(hdev);
if (ret)
return;
} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) {
- ret = m560_send_config_command(hdev, connected);
+ ret = m560_send_config_command(hdev);
if (ret)
return;
} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_K400) {
- ret = k400_connect(hdev, connected);
+ ret = k400_connect(hdev);
if (ret)
return;
}
- /* the device is already connected, we can ask for its name and
- * protocol */
- if (!hidpp->protocol_major) {
- ret = !hidpp_is_connected(hidpp);
- if (ret) {
- hid_err(hdev, "Can not get the protocol version.\n");
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_WHEELS) {
+ ret = hidpp10_wheel_connect(hidpp);
+ if (ret)
return;
- }
- hid_info(hdev, "HID++ %u.%u device connected.\n",
- hidpp->protocol_major, hidpp->protocol_minor);
}
- if (hidpp->name == hdev->name && hidpp->protocol_major >= 2) {
- name = hidpp_get_device_name(hidpp);
- if (!name) {
- hid_err(hdev,
- "unable to retrieve the name of the device");
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_EXTRA_MOUSE_BTNS) {
+ ret = hidpp10_extra_mouse_buttons_connect(hidpp);
+ if (ret)
return;
- }
+ }
- devm_name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s", name);
- kfree(name);
- if (!devm_name)
+ if (hidpp->quirks & HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS) {
+ ret = hidpp10_consumer_keys_connect(hidpp);
+ if (ret)
return;
+ }
- hidpp->name = devm_name;
+ if (hidpp->protocol_major >= 2) {
+ u8 feature_index;
+
+ if (!hidpp_get_wireless_feature_index(hidpp, &feature_index))
+ hidpp->wireless_feature_index = feature_index;
+ }
+
+ if (hidpp->name == hdev->name && hidpp->protocol_major >= 2) {
+ name = hidpp_get_device_name(hidpp);
+ if (name) {
+ devm_name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
+ "%s", name);
+ kfree(name);
+ if (!devm_name)
+ return;
+
+ hidpp->name = devm_name;
+ }
}
hidpp_initialize_battery(hidpp);
+ if (!hid_is_usb(hidpp->hid_dev))
+ hidpp_initialize_hires_scroll(hidpp);
/* forward current battery state */
if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP10_BATTERY) {
@@ -3163,15 +4253,22 @@ static void hidpp_connect_event(struct hidpp_device *hidpp)
else
hidpp10_query_battery_status(hidpp);
} else if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP20_BATTERY) {
- hidpp20_query_battery_info(hidpp);
+ if (hidpp->capabilities & HIDPP_CAPABILITY_BATTERY_VOLTAGE)
+ hidpp20_query_battery_voltage_info(hidpp);
+ else if (hidpp->capabilities & HIDPP_CAPABILITY_UNIFIED_BATTERY)
+ hidpp20_query_battery_info_1004(hidpp);
+ else if (hidpp->capabilities & HIDPP_CAPABILITY_ADC_MEASUREMENT)
+ hidpp20_query_adc_measurement_info_1f20(hidpp);
+ else
+ hidpp20_query_battery_info_1000(hidpp);
}
if (hidpp->battery.ps)
power_supply_changed(hidpp->battery.ps);
- if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL)
+ if (hidpp->capabilities & HIDPP_CAPABILITY_HI_RES_SCROLL)
hi_res_scroll_enable(hidpp);
- if (!(hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT) || hidpp->delayed_input)
+ if (!(hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT) || hidpp->delayed_input)
/* if the input nodes are already created, we can stop now */
return;
@@ -3181,15 +4278,24 @@ static void hidpp_connect_event(struct hidpp_device *hidpp)
return;
}
- hidpp_populate_input(hidpp, input, false);
+ hidpp_populate_input(hidpp, input);
ret = input_register_device(input);
- if (ret)
+ if (ret) {
input_free_device(input);
+ return;
+ }
hidpp->delayed_input = input;
}
+static void hidpp_reset_hi_res_handler(struct work_struct *work)
+{
+ struct hidpp_device *hidpp = container_of(work, struct hidpp_device, reset_hi_res_work);
+
+ hi_res_scroll_enable(hidpp);
+}
+
static DEVICE_ATTR(builtin_power_supply, 0000, NULL, NULL);
static struct attribute *sysfs_attrs[] = {
@@ -3201,47 +4307,126 @@ static const struct attribute_group ps_attribute_group = {
.attrs = sysfs_attrs
};
+static int hidpp_get_report_length(struct hid_device *hdev, int id)
+{
+ struct hid_report_enum *re;
+ struct hid_report *report;
+
+ re = &(hdev->report_enum[HID_OUTPUT_REPORT]);
+ report = re->report_id_hash[id];
+ if (!report)
+ return 0;
+
+ return report->field[0]->report_count + 1;
+}
+
+static u8 hidpp_validate_device(struct hid_device *hdev)
+{
+ struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+ int id, report_length;
+ u8 supported_reports = 0;
+
+ id = REPORT_ID_HIDPP_SHORT;
+ report_length = hidpp_get_report_length(hdev, id);
+ if (report_length) {
+ if (report_length < HIDPP_REPORT_SHORT_LENGTH)
+ goto bad_device;
+
+ supported_reports |= HIDPP_REPORT_SHORT_SUPPORTED;
+ }
+
+ id = REPORT_ID_HIDPP_LONG;
+ report_length = hidpp_get_report_length(hdev, id);
+ if (report_length) {
+ if (report_length < HIDPP_REPORT_LONG_LENGTH)
+ goto bad_device;
+
+ supported_reports |= HIDPP_REPORT_LONG_SUPPORTED;
+ }
+
+ id = REPORT_ID_HIDPP_VERY_LONG;
+ report_length = hidpp_get_report_length(hdev, id);
+ if (report_length) {
+ if (report_length < HIDPP_REPORT_LONG_LENGTH ||
+ report_length > HIDPP_REPORT_VERY_LONG_MAX_LENGTH)
+ goto bad_device;
+
+ supported_reports |= HIDPP_REPORT_VERY_LONG_SUPPORTED;
+ hidpp->very_long_report_length = report_length;
+ }
+
+ return supported_reports;
+
+bad_device:
+ hid_warn(hdev, "not enough values in hidpp report %d\n", id);
+ return false;
+}
+
+static bool hidpp_application_equals(struct hid_device *hdev,
+ unsigned int application)
+{
+ struct list_head *report_list;
+ struct hid_report *report;
+
+ report_list = &hdev->report_enum[HID_INPUT_REPORT].report_list;
+ report = list_first_entry_or_null(report_list, struct hid_report, list);
+ return report && report->application == application;
+}
+
static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
struct hidpp_device *hidpp;
int ret;
- bool connected;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
- hidpp = devm_kzalloc(&hdev->dev, sizeof(struct hidpp_device),
- GFP_KERNEL);
+ /* report_fixup needs drvdata to be set before we call hid_parse */
+ hidpp = devm_kzalloc(&hdev->dev, sizeof(*hidpp), GFP_KERNEL);
if (!hidpp)
return -ENOMEM;
hidpp->hid_dev = hdev;
hidpp->name = hdev->name;
+ hidpp->quirks = id->driver_data;
hid_set_drvdata(hdev, hidpp);
- hidpp->quirks = id->driver_data;
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "%s:parse failed\n", __func__);
+ return ret;
+ }
- if (id->group == HID_GROUP_LOGITECH_DJ_DEVICE)
- hidpp->quirks |= HIDPP_QUIRK_UNIFYING;
+ /*
+ * Make sure the device is HID++ capable, otherwise treat as generic HID
+ */
+ hidpp->supported_reports = hidpp_validate_device(hdev);
- if (disable_raw_mode) {
- hidpp->quirks &= ~HIDPP_QUIRK_CLASS_WTP;
- hidpp->quirks &= ~HIDPP_QUIRK_NO_HIDINPUT;
+ if (!hidpp->supported_reports) {
+ hid_set_drvdata(hdev, NULL);
+ devm_kfree(&hdev->dev, hidpp);
+ return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
}
+ if (id->group == HID_GROUP_LOGITECH_27MHZ_DEVICE &&
+ hidpp_application_equals(hdev, HID_GD_MOUSE))
+ hidpp->quirks |= HIDPP_QUIRK_HIDPP_WHEELS |
+ HIDPP_QUIRK_HIDPP_EXTRA_MOUSE_BTNS;
+
+ if (id->group == HID_GROUP_LOGITECH_27MHZ_DEVICE &&
+ hidpp_application_equals(hdev, HID_GD_KEYBOARD))
+ hidpp->quirks |= HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS;
+
if (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP) {
ret = wtp_allocate(hdev, id);
if (ret)
- goto allocate_fail;
- } else if (hidpp->quirks & HIDPP_QUIRK_CLASS_M560) {
- ret = m560_allocate(hdev);
- if (ret)
- goto allocate_fail;
+ return ret;
} else if (hidpp->quirks & HIDPP_QUIRK_CLASS_K400) {
ret = k400_allocate(hdev);
if (ret)
- goto allocate_fail;
+ return ret;
}
- INIT_WORK(&hidpp->work, delayed_work_cb);
+ INIT_WORK(&hidpp->work, hidpp_connect_event);
+ INIT_WORK(&hidpp->reset_hi_res_work, hidpp_reset_hi_res_handler);
mutex_init(&hidpp->send_mutex);
init_waitqueue_head(&hidpp->wait);
@@ -3251,93 +4436,78 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
hid_warn(hdev, "Cannot allocate sysfs group for %s\n",
hdev->name);
- ret = hid_parse(hdev);
+ /*
+ * First call hid_hw_start(hdev, 0) to allow IO without connecting any
+ * hid subdrivers (hid-input, hidraw). This allows retrieving the dev's
+ * name and serial number and store these in hdev->name and hdev->uniq,
+ * before the hid-input and hidraw drivers expose these to userspace.
+ */
+ ret = hid_hw_start(hdev, 0);
if (ret) {
- hid_err(hdev, "%s:parse failed\n", __func__);
- goto hid_parse_fail;
+ hid_err(hdev, "hw start failed\n");
+ goto hid_hw_start_fail;
}
- if (hidpp->quirks & HIDPP_QUIRK_NO_HIDINPUT)
- connect_mask &= ~HID_CONNECT_HIDINPUT;
-
- if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) {
- ret = hid_hw_start(hdev, connect_mask);
- if (ret) {
- hid_err(hdev, "hw start failed\n");
- goto hid_hw_start_fail;
- }
- ret = hid_hw_open(hdev);
- if (ret < 0) {
- dev_err(&hdev->dev, "%s:hid_hw_open returned error:%d\n",
- __func__, ret);
- hid_hw_stop(hdev);
- goto hid_hw_start_fail;
- }
+ ret = hid_hw_open(hdev);
+ if (ret < 0) {
+ dev_err(&hdev->dev, "%s:hid_hw_open returned error:%d\n",
+ __func__, ret);
+ goto hid_hw_open_fail;
}
-
/* Allow incoming packets */
hid_device_io_start(hdev);
- if (hidpp->quirks & HIDPP_QUIRK_UNIFYING)
+ /* Get name + serial, store in hdev->name + hdev->uniq */
+ if (id->group == HID_GROUP_LOGITECH_DJ_DEVICE)
hidpp_unifying_init(hidpp);
+ else
+ hidpp_non_unifying_init(hidpp);
- connected = hidpp_is_connected(hidpp);
- atomic_set(&hidpp->connected, connected);
- if (!(hidpp->quirks & HIDPP_QUIRK_UNIFYING)) {
- if (!connected) {
- ret = -ENODEV;
- hid_err(hdev, "Device not connected");
- goto hid_hw_open_failed;
- }
-
- hid_info(hdev, "HID++ %u.%u device connected.\n",
- hidpp->protocol_major, hidpp->protocol_minor);
-
- hidpp_overwrite_name(hdev);
- }
-
- if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_WTP)) {
- ret = wtp_get_config(hidpp);
- if (ret)
- goto hid_hw_open_failed;
- } else if (connected && (hidpp->quirks & HIDPP_QUIRK_CLASS_G920)) {
- ret = g920_get_config(hidpp);
- if (ret)
- goto hid_hw_open_failed;
- }
+ if (hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT)
+ connect_mask &= ~HID_CONNECT_HIDINPUT;
- /* Block incoming packets */
+ /* Now export the actual inputs and hidraw nodes to the world */
hid_device_io_stop(hdev);
-
- if (!(hidpp->quirks & HIDPP_QUIRK_CLASS_G920)) {
- ret = hid_hw_start(hdev, connect_mask);
- if (ret) {
- hid_err(hdev, "%s:hid_hw_start returned error\n", __func__);
- goto hid_hw_start_fail;
- }
+ ret = hid_connect(hdev, connect_mask);
+ if (ret) {
+ hid_err(hdev, "%s:hid_connect returned error %d\n", __func__, ret);
+ goto hid_hw_init_fail;
}
- /* Allow incoming packets */
+ /* Check for connected devices now that incoming packets will not be disabled again */
hid_device_io_start(hdev);
+ schedule_work(&hidpp->work);
+ flush_work(&hidpp->work);
- hidpp_connect_event(hidpp);
+ if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) {
+ struct hidpp_ff_private_data data;
- return ret;
+ ret = g920_get_config(hidpp, &data);
+ if (!ret)
+ ret = hidpp_ff_init(hidpp, &data);
-hid_hw_open_failed:
- hid_device_io_stop(hdev);
- if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) {
- hid_hw_close(hdev);
- hid_hw_stop(hdev);
+ if (ret)
+ hid_warn(hidpp->hid_dev,
+ "Unable to initialize force feedback support, errno %d\n",
+ ret);
}
+
+ /*
+ * This relies on logi_dj_ll_close() being a no-op so that DJ connection
+ * events will still be received.
+ */
+ hid_hw_close(hdev);
+ return ret;
+
+hid_hw_init_fail:
+ hid_hw_close(hdev);
+hid_hw_open_fail:
+ hid_hw_stop(hdev);
hid_hw_start_fail:
-hid_parse_fail:
sysfs_remove_group(&hdev->dev.kobj, &ps_attribute_group);
cancel_work_sync(&hidpp->work);
mutex_destroy(&hidpp->send_mutex);
-allocate_fail:
- hid_set_drvdata(hdev, NULL);
return ret;
}
@@ -3345,14 +4515,14 @@ static void hidpp_remove(struct hid_device *hdev)
{
struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+ if (!hidpp)
+ return hid_hw_stop(hdev);
+
sysfs_remove_group(&hdev->dev.kobj, &ps_attribute_group);
- if (hidpp->quirks & HIDPP_QUIRK_CLASS_G920) {
- hidpp_ff_deinit(hdev);
- hid_hw_close(hdev);
- }
hid_hw_stop(hdev);
cancel_work_sync(&hidpp->work);
+ cancel_work_sync(&hidpp->reset_hi_res_work);
mutex_destroy(&hidpp->send_mutex);
}
@@ -3360,6 +4530,10 @@ static void hidpp_remove(struct hid_device *hdev)
HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE, \
USB_VENDOR_ID_LOGITECH, (product))
+#define L27MHZ_DEVICE(product) \
+ HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_27MHZ_DEVICE, \
+ USB_VENDOR_ID_LOGITECH, (product))
+
static const struct hid_device_id hidpp_devices[] = {
{ /* wireless touchpad */
LDJ_DEVICE(0x4011),
@@ -3371,38 +4545,14 @@ static const struct hid_device_id hidpp_devices[] = {
{ /* wireless touchpad T651 */
HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_T651),
- .driver_data = HIDPP_QUIRK_CLASS_WTP },
+ .driver_data = HIDPP_QUIRK_CLASS_WTP | HIDPP_QUIRK_DELAYED_INIT },
{ /* Mouse Logitech Anywhere MX */
LDJ_DEVICE(0x1017), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_1P0 },
- { /* Mouse Logitech Cube */
- LDJ_DEVICE(0x4010), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2120 },
- { /* Mouse Logitech M335 */
- LDJ_DEVICE(0x4050), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { /* Mouse Logitech M515 */
- LDJ_DEVICE(0x4007), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2120 },
{ /* Mouse logitech M560 */
LDJ_DEVICE(0x402d),
- .driver_data = HIDPP_QUIRK_DELAYED_INIT | HIDPP_QUIRK_CLASS_M560
- | HIDPP_QUIRK_HI_RES_SCROLL_X2120 },
+ .driver_data = HIDPP_QUIRK_DELAYED_INIT | HIDPP_QUIRK_CLASS_M560 },
{ /* Mouse Logitech M705 (firmware RQM17) */
LDJ_DEVICE(0x101b), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_1P0 },
- { /* Mouse Logitech M705 (firmware RQM67) */
- LDJ_DEVICE(0x406d), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { /* Mouse Logitech M720 */
- LDJ_DEVICE(0x405e), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { /* Mouse Logitech MX Anywhere 2 */
- LDJ_DEVICE(0x404a), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { LDJ_DEVICE(0xb013), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { LDJ_DEVICE(0xb018), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { LDJ_DEVICE(0xb01f), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { /* Mouse Logitech MX Anywhere 2S */
- LDJ_DEVICE(0x406a), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { /* Mouse Logitech MX Master */
- LDJ_DEVICE(0x4041), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { LDJ_DEVICE(0x4060), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { LDJ_DEVICE(0x4071), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
- { /* Mouse Logitech MX Master 2S */
- LDJ_DEVICE(0x4069), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_X2121 },
{ /* Mouse Logitech Performance MX */
LDJ_DEVICE(0x101a), .driver_data = HIDPP_QUIRK_HI_RES_SCROLL_1P0 },
{ /* Keyboard logitech K400 */
@@ -3411,11 +4561,109 @@ static const struct hid_device_id hidpp_devices[] = {
{ /* Solar Keyboard Logitech K750 */
LDJ_DEVICE(0x4002),
.driver_data = HIDPP_QUIRK_CLASS_K750 },
+ { /* Keyboard MX5000 (Bluetooth-receiver in HID proxy mode) */
+ LDJ_DEVICE(0xb305),
+ .driver_data = HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS },
+ { /* Dinovo Edge (Bluetooth-receiver in HID proxy mode) */
+ LDJ_DEVICE(0xb309),
+ .driver_data = HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS },
+ { /* Keyboard MX5500 (Bluetooth-receiver in HID proxy mode) */
+ LDJ_DEVICE(0xb30b),
+ .driver_data = HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS },
+ { /* Logitech G502 Lightspeed Wireless Gaming Mouse */
+ LDJ_DEVICE(0x407f),
+ .driver_data = HIDPP_QUIRK_RESET_HI_RES_SCROLL },
{ LDJ_DEVICE(HID_ANY_ID) },
- { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL),
+ { /* Keyboard LX501 (Y-RR53) */
+ L27MHZ_DEVICE(0x0049),
+ .driver_data = HIDPP_QUIRK_KBD_ZOOM_WHEEL },
+ { /* Keyboard MX3000 (Y-RAM74) */
+ L27MHZ_DEVICE(0x0057),
+ .driver_data = HIDPP_QUIRK_KBD_SCROLL_WHEEL },
+ { /* Keyboard MX3200 (Y-RAV80) */
+ L27MHZ_DEVICE(0x005c),
+ .driver_data = HIDPP_QUIRK_KBD_ZOOM_WHEEL },
+ { /* S510 Media Remote */
+ L27MHZ_DEVICE(0x00fe),
+ .driver_data = HIDPP_QUIRK_KBD_SCROLL_WHEEL },
+
+ { L27MHZ_DEVICE(HID_ANY_ID) },
+
+ { /* Logitech G403 Wireless Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC082) },
+ { /* Logitech G502 Lightspeed Wireless Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC08D) },
+ { /* Logitech G703 Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC087) },
+ { /* Logitech G703 Hero Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC090) },
+ { /* Logitech G900 Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC081) },
+ { /* Logitech G903 Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC086) },
+ { /* Logitech G Pro Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC088) },
+ { /* MX Vertical over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC08A) },
+ { /* Logitech G703 Hero Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC090) },
+ { /* Logitech G903 Hero Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC091) },
+ { /* Logitech G915 TKL Keyboard over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC343) },
+ { /* Logitech G920 Wheel over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL),
.driver_data = HIDPP_QUIRK_CLASS_G920 | HIDPP_QUIRK_FORCE_OUTPUT_REPORTS},
+ { /* Logitech G923 Wheel (Xbox version) over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G923_XBOX_WHEEL),
+ .driver_data = HIDPP_QUIRK_CLASS_G920 | HIDPP_QUIRK_FORCE_OUTPUT_REPORTS },
+ { /* Logitech G Pro X Superlight Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC094) },
+ { /* Logitech G Pro X Superlight 2 Gaming Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC09b) },
+ { /* Logitech G PRO 2 LIGHTSPEED Wireless Mouse over USB */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xc09a) },
+
+ { /* G935 Gaming Headset */
+ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0x0a87),
+ .driver_data = HIDPP_QUIRK_WIRELESS_STATUS },
+
+ { /* MX5000 keyboard over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb305),
+ .driver_data = HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS },
+ { /* Dinovo Edge keyboard over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb309),
+ .driver_data = HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS },
+ { /* MX5500 keyboard over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb30b),
+ .driver_data = HIDPP_QUIRK_HIDPP_CONSUMER_VENDOR_KEYS },
+ { /* Logitech G915 TKL keyboard over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb35f) },
+ { /* M-RCQ142 V470 Cordless Laser Mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb008) },
+ { /* MX Master mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb012) },
+ { /* M720 Triathlon mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb015) },
+ { /* MX Master 2S mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb019) },
+ { /* MX Ergo trackball over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb01d) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb01e) },
+ { /* MX Vertical mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb020) },
+ { /* Signature M650 over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb02a) },
+ { /* MX Master 3 mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb023) },
+ { /* MX Anywhere 3 mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb025) },
+ { /* MX Master 3S mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb034) },
+ { /* MX Anywhere 3SB mouse over Bluetooth */
+ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb038) },
{}
};
@@ -3429,6 +4677,7 @@ static const struct hid_usage_id hidpp_usages[] = {
static struct hid_driver hidpp_driver = {
.name = "logitech-hidpp-device",
.id_table = hidpp_devices,
+ .report_fixup = hidpp_report_fixup,
.probe = hidpp_probe,
.remove = hidpp_remove,
.raw_event = hidpp_raw_event,