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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/hid/hid-microsoft.c | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hid/hid-microsoft.c')
-rw-r--r-- | drivers/hid/hid-microsoft.c | 469 |
1 files changed, 469 insertions, 0 deletions
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c new file mode 100644 index 000000000..071fd093a --- /dev/null +++ b/drivers/hid/hid-microsoft.c @@ -0,0 +1,469 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * HID driver for some microsoft "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2008 Jiri Slaby + */ + +/* + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define MS_HIDINPUT BIT(0) +#define MS_ERGONOMY BIT(1) +#define MS_PRESENTER BIT(2) +#define MS_RDESC BIT(3) +#define MS_NOGET BIT(4) +#define MS_DUPLICATE_USAGES BIT(5) +#define MS_SURFACE_DIAL BIT(6) +#define MS_QUIRK_FF BIT(7) + +struct ms_data { + unsigned long quirks; + struct hid_device *hdev; + struct work_struct ff_worker; + __u8 strong; + __u8 weak; + void *output_report_dmabuf; +}; + +#define XB1S_FF_REPORT 3 +#define ENABLE_WEAK BIT(0) +#define ENABLE_STRONG BIT(1) + +enum { + MAGNITUDE_STRONG = 2, + MAGNITUDE_WEAK, + MAGNITUDE_NUM +}; + +struct xb1s_ff_report { + __u8 report_id; + __u8 enable; + __u8 magnitude[MAGNITUDE_NUM]; + __u8 duration_10ms; + __u8 start_delay_10ms; + __u8 loop_count; +} __packed; + +static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct ms_data *ms = hid_get_drvdata(hdev); + unsigned long quirks = ms->quirks; + + /* + * Microsoft Wireless Desktop Receiver (Model 1028) has + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ + if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 && + rdesc[559] == 0x29) { + hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n"); + rdesc[557] = 0x35; + rdesc[559] = 0x45; + } + return rdesc; +} + +#define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct input_dev *input = hi->input; + + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { + switch (usage->hid & HID_USAGE) { + /* + * Microsoft uses these 2 reserved usage ids for 2 keys on + * the MS office kb labelled "Office Home" and "Task Pane". + */ + case 0x29d: + ms_map_key_clear(KEY_PROG1); + return 1; + case 0x29e: + ms_map_key_clear(KEY_PROG2); + return 1; + } + return 0; + } + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0xfd06: ms_map_key_clear(KEY_CHAT); break; + case 0xfd07: ms_map_key_clear(KEY_PHONE); break; + case 0xff00: + /* Special keypad keys */ + ms_map_key_clear(KEY_KPEQUAL); + set_bit(KEY_KPLEFTPAREN, input->keybit); + set_bit(KEY_KPRIGHTPAREN, input->keybit); + break; + case 0xff01: + /* Scroll wheel */ + hid_map_usage_clear(hi, usage, bit, max, EV_REL, REL_WHEEL); + break; + case 0xff02: + /* + * This byte contains a copy of the modifier keys byte of a + * standard hid keyboard report, as send by interface 0 + * (this usage is found on interface 1). + * + * This byte only gets send when another key in the same report + * changes state, and as such is useless, ignore it. + */ + return -1; + case 0xff05: + set_bit(EV_REP, input->evbit); + ms_map_key_clear(KEY_F13); + set_bit(KEY_F14, input->keybit); + set_bit(KEY_F15, input->keybit); + set_bit(KEY_F16, input->keybit); + set_bit(KEY_F17, input->keybit); + set_bit(KEY_F18, input->keybit); + break; + default: + return 0; + } + return 1; +} + +static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; + case 0xfd09: ms_map_key_clear(KEY_BACK); break; + case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; + case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; + case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; + default: + return 0; + } + return 1; +} + +static int ms_surface_dial_quirk(struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + switch (usage->hid & HID_USAGE_PAGE) { + case 0xff070000: + case HID_UP_DIGITIZER: + /* ignore those axis */ + return -1; + case HID_UP_GENDESK: + switch (usage->hid) { + case HID_GD_X: + case HID_GD_Y: + case HID_GD_RFKILL_BTN: + /* ignore those axis */ + return -1; + } + } + + return 0; +} + +static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct ms_data *ms = hid_get_drvdata(hdev); + unsigned long quirks = ms->quirks; + + if (quirks & MS_ERGONOMY) { + int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); + if (ret) + return ret; + } + + if ((quirks & MS_PRESENTER) && + ms_presenter_8k_quirk(hi, usage, bit, max)) + return 1; + + if (quirks & MS_SURFACE_DIAL) { + int ret = ms_surface_dial_quirk(hi, field, usage, bit, max); + + if (ret) + return ret; + } + + return 0; +} + +static int ms_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct ms_data *ms = hid_get_drvdata(hdev); + unsigned long quirks = ms->quirks; + + if (quirks & MS_DUPLICATE_USAGES) + clear_bit(usage->code, *bit); + + return 0; +} + +static int ms_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct ms_data *ms = hid_get_drvdata(hdev); + unsigned long quirks = ms->quirks; + struct input_dev *input; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + input = field->hidinput->input; + + /* Handling MS keyboards special buttons */ + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff00)) { + /* Special keypad keys */ + input_report_key(input, KEY_KPEQUAL, value & 0x01); + input_report_key(input, KEY_KPLEFTPAREN, value & 0x02); + input_report_key(input, KEY_KPRIGHTPAREN, value & 0x04); + return 1; + } + + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff01)) { + /* Scroll wheel */ + int step = ((value & 0x60) >> 5) + 1; + + switch (value & 0x1f) { + case 0x01: + input_report_rel(input, REL_WHEEL, step); + break; + case 0x1f: + input_report_rel(input, REL_WHEEL, -step); + break; + } + return 1; + } + + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { + static unsigned int last_key = 0; + unsigned int key = 0; + switch (value) { + case 0x01: key = KEY_F14; break; + case 0x02: key = KEY_F15; break; + case 0x04: key = KEY_F16; break; + case 0x08: key = KEY_F17; break; + case 0x10: key = KEY_F18; break; + } + if (key) { + input_event(input, usage->type, key, 1); + last_key = key; + } else + input_event(input, usage->type, last_key, 0); + + return 1; + } + + return 0; +} + +static void ms_ff_worker(struct work_struct *work) +{ + struct ms_data *ms = container_of(work, struct ms_data, ff_worker); + struct hid_device *hdev = ms->hdev; + struct xb1s_ff_report *r = ms->output_report_dmabuf; + int ret; + + memset(r, 0, sizeof(*r)); + + r->report_id = XB1S_FF_REPORT; + r->enable = ENABLE_WEAK | ENABLE_STRONG; + /* + * Specifying maximum duration and maximum loop count should + * cover maximum duration of a single effect, which is 65536 + * ms + */ + r->duration_10ms = U8_MAX; + r->loop_count = U8_MAX; + r->magnitude[MAGNITUDE_STRONG] = ms->strong; /* left actuator */ + r->magnitude[MAGNITUDE_WEAK] = ms->weak; /* right actuator */ + + ret = hid_hw_output_report(hdev, (__u8 *)r, sizeof(*r)); + if (ret < 0) + hid_warn(hdev, "failed to send FF report\n"); +} + +static int ms_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct ms_data *ms = hid_get_drvdata(hid); + + if (effect->type != FF_RUMBLE) + return 0; + + /* + * Magnitude is 0..100 so scale the 16-bit input here + */ + ms->strong = ((u32) effect->u.rumble.strong_magnitude * 100) / U16_MAX; + ms->weak = ((u32) effect->u.rumble.weak_magnitude * 100) / U16_MAX; + + schedule_work(&ms->ff_worker); + return 0; +} + +static int ms_init_ff(struct hid_device *hdev) +{ + struct hid_input *hidinput; + struct input_dev *input_dev; + struct ms_data *ms = hid_get_drvdata(hdev); + + if (list_empty(&hdev->inputs)) { + hid_err(hdev, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hdev->inputs.next, struct hid_input, list); + input_dev = hidinput->input; + + if (!(ms->quirks & MS_QUIRK_FF)) + return 0; + + ms->hdev = hdev; + INIT_WORK(&ms->ff_worker, ms_ff_worker); + + ms->output_report_dmabuf = devm_kzalloc(&hdev->dev, + sizeof(struct xb1s_ff_report), + GFP_KERNEL); + if (ms->output_report_dmabuf == NULL) + return -ENOMEM; + + input_set_capability(input_dev, EV_FF, FF_RUMBLE); + return input_ff_create_memless(input_dev, NULL, ms_play_effect); +} + +static void ms_remove_ff(struct hid_device *hdev) +{ + struct ms_data *ms = hid_get_drvdata(hdev); + + if (!(ms->quirks & MS_QUIRK_FF)) + return; + + cancel_work_sync(&ms->ff_worker); +} + +static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + struct ms_data *ms; + int ret; + + ms = devm_kzalloc(&hdev->dev, sizeof(*ms), GFP_KERNEL); + if (ms == NULL) + return -ENOMEM; + + ms->quirks = quirks; + + hid_set_drvdata(hdev, ms); + + if (quirks & MS_NOGET) + hdev->quirks |= HID_QUIRK_NOGET; + + if (quirks & MS_SURFACE_DIAL) + hdev->quirks |= HID_QUIRK_INPUT_PER_APP; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? + HID_CONNECT_HIDINPUT_FORCE : 0)); + if (ret) { + hid_err(hdev, "hw start failed\n"); + goto err_free; + } + + ret = ms_init_ff(hdev); + if (ret) + hid_err(hdev, "could not initialize ff, continuing anyway"); + + return 0; +err_free: + return ret; +} + +static void ms_remove(struct hid_device *hdev) +{ + hid_hw_stop(hdev); + ms_remove_ff(hdev); +} + +static const struct hid_device_id ms_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), + .driver_data = MS_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), + .driver_data = MS_ERGONOMY | MS_RDESC }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), + .driver_data = MS_PRESENTER }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), + .driver_data = MS_NOGET }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), + .driver_data = MS_DUPLICATE_USAGES }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER), + .driver_data = MS_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD), + .driver_data = MS_ERGONOMY}, + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), + .driver_data = MS_PRESENTER }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x091B), + .driver_data = MS_SURFACE_DIAL }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER), + .driver_data = MS_QUIRK_FF }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS), + .driver_data = MS_QUIRK_FF }, + { } +}; +MODULE_DEVICE_TABLE(hid, ms_devices); + +static struct hid_driver ms_driver = { + .name = "microsoft", + .id_table = ms_devices, + .report_fixup = ms_report_fixup, + .input_mapping = ms_input_mapping, + .input_mapped = ms_input_mapped, + .event = ms_event, + .probe = ms_probe, + .remove = ms_remove, +}; +module_hid_driver(ms_driver); + +MODULE_LICENSE("GPL"); |