diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/hid/hid-steelseries.c | 311 |
2 files changed, 300 insertions, 17 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 545e81c8f359..0cea301cc9a9 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -1073,9 +1073,11 @@ config STEAM_FF Deck. config HID_STEELSERIES - tristate "Steelseries SRW-S1 steering wheel support" + tristate "Steelseries devices support" + depends on USB_HID help - Support for Steelseries SRW-S1 steering wheel + Support for Steelseries SRW-S1 steering wheel, and the Steelseries + Arctis 1 Wireless for XBox headset. config HID_SUNPLUS tristate "Sunplus wireless desktop" diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c index aae3afc4107a..43d2cf7153d7 100644 --- a/drivers/hid/hid-steelseries.c +++ b/drivers/hid/hid-steelseries.c @@ -1,8 +1,9 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * HID driver for Steelseries SRW-S1 + * HID driver for Steelseries devices * * Copyright (c) 2013 Simon Wood + * Copyright (c) 2023 Bastien Nocera */ /* @@ -11,10 +12,28 @@ #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> +#include <linux/usb.h> #include <linux/leds.h> #include "hid-ids.h" +#define STEELSERIES_SRWS1 BIT(0) +#define STEELSERIES_ARCTIS_1 BIT(1) + +struct steelseries_device { + struct hid_device *hdev; + unsigned long quirks; + + struct delayed_work battery_work; + spinlock_t lock; + bool removed; + + struct power_supply_desc battery_desc; + struct power_supply *battery; + uint8_t battery_capacity; + bool headset_connected; +}; + #if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) #define SRWS1_NUMBER_LEDS 15 @@ -353,9 +372,211 @@ static void steelseries_srws1_remove(struct hid_device *hdev) } #endif +#define STEELSERIES_HEADSET_BATTERY_TIMEOUT_MS 3000 + +#define ARCTIS_1_BATTERY_RESPONSE_LEN 8 +static const char arctis_1_battery_request[] = { 0x06, 0x12 }; + +static int steelseries_headset_arctis_1_fetch_battery(struct hid_device *hdev) +{ + u8 *write_buf; + int ret; + + /* Request battery information */ + write_buf = kmemdup(arctis_1_battery_request, sizeof(arctis_1_battery_request), GFP_KERNEL); + if (!write_buf) + return -ENOMEM; + + ret = hid_hw_raw_request(hdev, arctis_1_battery_request[0], + write_buf, sizeof(arctis_1_battery_request), + HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); + if (ret < sizeof(arctis_1_battery_request)) { + hid_err(hdev, "hid_hw_raw_request() failed with %d\n", ret); + ret = -ENODATA; + } + kfree(write_buf); + return ret; +} + +static void steelseries_headset_fetch_battery(struct hid_device *hdev) +{ + struct steelseries_device *sd = hid_get_drvdata(hdev); + int ret = 0; + + if (sd->quirks & STEELSERIES_ARCTIS_1) + ret = steelseries_headset_arctis_1_fetch_battery(hdev); + + if (ret < 0) + hid_dbg(hdev, + "Battery query failed (err: %d)\n", ret); +} + +static void steelseries_headset_battery_timer_tick(struct work_struct *work) +{ + struct steelseries_device *sd = container_of(work, + struct steelseries_device, battery_work.work); + struct hid_device *hdev = sd->hdev; + + steelseries_headset_fetch_battery(hdev); +} + +static int steelseries_headset_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct steelseries_device *sd = power_supply_get_drvdata(psy); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + case POWER_SUPPLY_PROP_STATUS: + val->intval = sd->headset_connected ? + POWER_SUPPLY_STATUS_DISCHARGING : + POWER_SUPPLY_STATUS_UNKNOWN; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = sd->battery_capacity; + break; + default: + ret = -EINVAL; + break; + } + return ret; +} + +static void +steelseries_headset_set_wireless_status(struct hid_device *hdev, + bool connected) +{ + struct usb_interface *intf; + + if (!hid_is_usb(hdev)) + return; + + intf = to_usb_interface(hdev->dev.parent); + usb_set_wireless_status(intf, connected ? + USB_WIRELESS_STATUS_CONNECTED : + USB_WIRELESS_STATUS_DISCONNECTED); +} + +static enum power_supply_property steelseries_headset_battery_props[] = { + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_CAPACITY, +}; + +static int steelseries_headset_battery_register(struct steelseries_device *sd) +{ + static atomic_t battery_no = ATOMIC_INIT(0); + struct power_supply_config battery_cfg = { .drv_data = sd, }; + unsigned long n; + int ret; + + sd->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; + sd->battery_desc.properties = steelseries_headset_battery_props; + sd->battery_desc.num_properties = ARRAY_SIZE(steelseries_headset_battery_props); + sd->battery_desc.get_property = steelseries_headset_battery_get_property; + sd->battery_desc.use_for_apm = 0; + n = atomic_inc_return(&battery_no) - 1; + sd->battery_desc.name = devm_kasprintf(&sd->hdev->dev, GFP_KERNEL, + "steelseries_headset_battery_%ld", n); + if (!sd->battery_desc.name) + return -ENOMEM; + + /* avoid the warning of 0% battery while waiting for the first info */ + steelseries_headset_set_wireless_status(sd->hdev, false); + sd->battery_capacity = 100; + + sd->battery = devm_power_supply_register(&sd->hdev->dev, + &sd->battery_desc, &battery_cfg); + if (IS_ERR(sd->battery)) { + ret = PTR_ERR(sd->battery); + hid_err(sd->hdev, + "%s:power_supply_register failed with error %d\n", + __func__, ret); + return ret; + } + power_supply_powers(sd->battery, &sd->hdev->dev); + + INIT_DELAYED_WORK(&sd->battery_work, steelseries_headset_battery_timer_tick); + steelseries_headset_fetch_battery(sd->hdev); + + return 0; +} + +static int steelseries_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct steelseries_device *sd; + int ret; + + sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL); + if (!sd) + return -ENOMEM; + hid_set_drvdata(hdev, sd); + sd->hdev = hdev; + sd->quirks = id->driver_data; + + if (sd->quirks & STEELSERIES_SRWS1) { +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) + return steelseries_srws1_probe(hdev, id); +#else + return -ENODEV; +#endif + } + + ret = hid_parse(hdev); + if (ret) + return ret; + + spin_lock_init(&sd->lock); + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) + return ret; + + if (steelseries_headset_battery_register(sd) < 0) + hid_err(sd->hdev, + "Failed to register battery for headset\n"); + + return ret; +} + +static void steelseries_remove(struct hid_device *hdev) +{ + struct steelseries_device *sd = hid_get_drvdata(hdev); + unsigned long flags; + + if (sd->quirks & STEELSERIES_SRWS1) { +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) + steelseries_srws1_remove(hdev); +#endif + return; + } + + spin_lock_irqsave(&sd->lock, flags); + sd->removed = true; + spin_unlock_irqrestore(&sd->lock, flags); + + cancel_delayed_work_sync(&sd->battery_work); + + hid_hw_stop(hdev); +} + static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { + if (hdev->vendor != USB_VENDOR_ID_STEELSERIES || + hdev->product != USB_DEVICE_ID_STEELSERIES_SRWS1) + return rdesc; + if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8 && rdesc[29] == 0xbb && rdesc[40] == 0xc5) { hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n"); @@ -365,22 +586,82 @@ static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc return rdesc; } -static const struct hid_device_id steelseries_srws1_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, +static int steelseries_headset_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *read_buf, + int size) +{ + struct steelseries_device *sd = hid_get_drvdata(hdev); + int capacity = sd->battery_capacity; + bool connected = sd->headset_connected; + unsigned long flags; + + /* Not a headset */ + if (sd->quirks & STEELSERIES_SRWS1) + return 0; + + if (sd->quirks & STEELSERIES_ARCTIS_1) { + hid_dbg(sd->hdev, + "Parsing raw event for Arctis 1 headset (%*ph)\n", size, read_buf); + if (size < ARCTIS_1_BATTERY_RESPONSE_LEN || + memcmp (read_buf, arctis_1_battery_request, sizeof(arctis_1_battery_request))) + return 0; + if (read_buf[2] == 0x01) { + connected = false; + capacity = 100; + } else { + connected = true; + capacity = read_buf[3]; + } + } + + if (connected != sd->headset_connected) { + hid_dbg(sd->hdev, + "Connected status changed from %sconnected to %sconnected\n", + sd->headset_connected ? "" : "not ", + connected ? "" : "not "); + sd->headset_connected = connected; + steelseries_headset_set_wireless_status(hdev, connected); + } + + if (capacity != sd->battery_capacity) { + hid_dbg(sd->hdev, + "Battery capacity changed from %d%% to %d%%\n", + sd->battery_capacity, capacity); + sd->battery_capacity = capacity; + power_supply_changed(sd->battery); + } + + spin_lock_irqsave(&sd->lock, flags); + if (!sd->removed) + schedule_delayed_work(&sd->battery_work, + msecs_to_jiffies(STEELSERIES_HEADSET_BATTERY_TIMEOUT_MS)); + spin_unlock_irqrestore(&sd->lock, flags); + + return 0; +} + +static const struct hid_device_id steelseries_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1), + .driver_data = STEELSERIES_SRWS1 }, + + { /* SteelSeries Arctis 1 Wireless for XBox */ + HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, 0x12b6), + .driver_data = STEELSERIES_ARCTIS_1 }, + { } }; -MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices); - -static struct hid_driver steelseries_srws1_driver = { - .name = "steelseries_srws1", - .id_table = steelseries_srws1_devices, -#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ - (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) - .probe = steelseries_srws1_probe, - .remove = steelseries_srws1_remove, -#endif - .report_fixup = steelseries_srws1_report_fixup +MODULE_DEVICE_TABLE(hid, steelseries_devices); + +static struct hid_driver steelseries_driver = { + .name = "steelseries", + .id_table = steelseries_devices, + .probe = steelseries_probe, + .remove = steelseries_remove, + .report_fixup = steelseries_srws1_report_fixup, + .raw_event = steelseries_headset_raw_event, }; -module_hid_driver(steelseries_srws1_driver); +module_hid_driver(steelseries_driver); MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>"); +MODULE_AUTHOR("Simon Wood <simon@mungewell.org>"); |