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HID: playstation: initial DualShock4 USB support.

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Add basic support for DualShock4 USB controller with buttons and sticks.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Roderick Colenbrander 2022-10-29 11:48:39 -07:00 committed by Jiri Kosina
parent 334fe5d3a9
commit f55b9b56ce
1 changed files with 172 additions and 2 deletions
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174
drivers/hid/hid-playstation.c
View file

@ -2,7 +2,7 @@
/*
* HID driver for Sony DualSense(TM) controller.
*
* Copyright (c) 2020 Sony Interactive Entertainment
* Copyright (c) 2020-2022 Sony Interactive Entertainment
*/
#include <linux/bits.h>
@ -283,6 +283,35 @@ struct dualsense_output_report {
struct dualsense_output_report_common *common;
};
#define DS4_INPUT_REPORT_USB 0x01
#define DS4_INPUT_REPORT_USB_SIZE 64
#define DS4_FEATURE_REPORT_PAIRING_INFO 0x12
#define DS4_FEATURE_REPORT_PAIRING_INFO_SIZE 16
struct dualshock4 {
struct ps_device base;
struct input_dev *gamepad;
};
/* Main DualShock4 input report excluding any BT/USB specific headers. */
struct dualshock4_input_report_common {
uint8_t x, y;
uint8_t rx, ry;
uint8_t buttons[3];
uint8_t z, rz;
uint8_t reserved[20];
} __packed;
static_assert(sizeof(struct dualshock4_input_report_common) == 29);
struct dualshock4_input_report_usb {
uint8_t report_id; /* 0x01 */
struct dualshock4_input_report_common common;
uint8_t reserved[34];
} __packed;
static_assert(sizeof(struct dualshock4_input_report_usb) == DS4_INPUT_REPORT_USB_SIZE);
/*
* Common gamepad buttons across DualShock 3 / 4 and DualSense.
* Note: for device with a touchpad, touchpad button is not included
@ -1465,6 +1494,135 @@ static struct ps_device *dualsense_create(struct hid_device *hdev)
return ERR_PTR(ret);
}
static int dualshock4_get_mac_address(struct dualshock4 *ds4)
{
uint8_t *buf;
int ret = 0;
buf = kzalloc(DS4_FEATURE_REPORT_PAIRING_INFO_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = ps_get_report(ds4->base.hdev, DS4_FEATURE_REPORT_PAIRING_INFO, buf,
DS4_FEATURE_REPORT_PAIRING_INFO_SIZE);
if (ret) {
hid_err(ds4->base.hdev, "Failed to retrieve DualShock4 pairing info: %d\n", ret);
goto err_free;
}
memcpy(ds4->base.mac_address, &buf[1], sizeof(ds4->base.mac_address));
err_free:
kfree(buf);
return ret;
}
static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *report,
u8 *data, int size)
{
struct hid_device *hdev = ps_dev->hdev;
struct dualshock4 *ds4 = container_of(ps_dev, struct dualshock4, base);
struct dualshock4_input_report_common *ds4_report;
uint8_t value;
/*
* DualShock4 in USB uses the full HID report for reportID 1, but
* Bluetooth uses a minimal HID report for reportID 1 and reports
* the full report using reportID 17.
*/
if (hdev->bus == BUS_USB && report->id == DS4_INPUT_REPORT_USB &&
size == DS4_INPUT_REPORT_USB_SIZE) {
struct dualshock4_input_report_usb *usb = (struct dualshock4_input_report_usb *)data;
ds4_report = &usb->common;
} else {
hid_err(hdev, "Unhandled reportID=%d\n", report->id);
return -1;
}
input_report_abs(ds4->gamepad, ABS_X, ds4_report->x);
input_report_abs(ds4->gamepad, ABS_Y, ds4_report->y);
input_report_abs(ds4->gamepad, ABS_RX, ds4_report->rx);
input_report_abs(ds4->gamepad, ABS_RY, ds4_report->ry);
input_report_abs(ds4->gamepad, ABS_Z, ds4_report->z);
input_report_abs(ds4->gamepad, ABS_RZ, ds4_report->rz);
value = ds4_report->buttons[0] & DS_BUTTONS0_HAT_SWITCH;
if (value >= ARRAY_SIZE(ps_gamepad_hat_mapping))
value = 8; /* center */
input_report_abs(ds4->gamepad, ABS_HAT0X, ps_gamepad_hat_mapping[value].x);
input_report_abs(ds4->gamepad, ABS_HAT0Y, ps_gamepad_hat_mapping[value].y);
input_report_key(ds4->gamepad, BTN_WEST, ds4_report->buttons[0] & DS_BUTTONS0_SQUARE);
input_report_key(ds4->gamepad, BTN_SOUTH, ds4_report->buttons[0] & DS_BUTTONS0_CROSS);
input_report_key(ds4->gamepad, BTN_EAST, ds4_report->buttons[0] & DS_BUTTONS0_CIRCLE);
input_report_key(ds4->gamepad, BTN_NORTH, ds4_report->buttons[0] & DS_BUTTONS0_TRIANGLE);
input_report_key(ds4->gamepad, BTN_TL, ds4_report->buttons[1] & DS_BUTTONS1_L1);
input_report_key(ds4->gamepad, BTN_TR, ds4_report->buttons[1] & DS_BUTTONS1_R1);
input_report_key(ds4->gamepad, BTN_TL2, ds4_report->buttons[1] & DS_BUTTONS1_L2);
input_report_key(ds4->gamepad, BTN_TR2, ds4_report->buttons[1] & DS_BUTTONS1_R2);
input_report_key(ds4->gamepad, BTN_SELECT, ds4_report->buttons[1] & DS_BUTTONS1_CREATE);
input_report_key(ds4->gamepad, BTN_START, ds4_report->buttons[1] & DS_BUTTONS1_OPTIONS);
input_report_key(ds4->gamepad, BTN_THUMBL, ds4_report->buttons[1] & DS_BUTTONS1_L3);
input_report_key(ds4->gamepad, BTN_THUMBR, ds4_report->buttons[1] & DS_BUTTONS1_R3);
input_report_key(ds4->gamepad, BTN_MODE, ds4_report->buttons[2] & DS_BUTTONS2_PS_HOME);
input_sync(ds4->gamepad);
return 0;
}
static struct ps_device *dualshock4_create(struct hid_device *hdev)
{
struct dualshock4 *ds4;
struct ps_device *ps_dev;
int ret;
ds4 = devm_kzalloc(&hdev->dev, sizeof(*ds4), GFP_KERNEL);
if (!ds4)
return ERR_PTR(-ENOMEM);
/*
* Patch version to allow userspace to distinguish between
* hid-generic vs hid-playstation axis and button mapping.
*/
hdev->version |= HID_PLAYSTATION_VERSION_PATCH;
ps_dev = &ds4->base;
ps_dev->hdev = hdev;
spin_lock_init(&ps_dev->lock);
ps_dev->parse_report = dualshock4_parse_report;
hid_set_drvdata(hdev, ds4);
ret = dualshock4_get_mac_address(ds4);
if (ret) {
hid_err(hdev, "Failed to get MAC address from DualShock4\n");
return ERR_PTR(ret);
}
snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds4->base.mac_address);
ret = ps_devices_list_add(ps_dev);
if (ret)
return ERR_PTR(ret);
ds4->gamepad = ps_gamepad_create(hdev, NULL);
if (IS_ERR(ds4->gamepad)) {
ret = PTR_ERR(ds4->gamepad);
goto err;
}
ret = ps_device_set_player_id(ps_dev);
if (ret) {
hid_err(hdev, "Failed to assign player id for DualShock4: %d\n", ret);
goto err;
}
return &ds4->base;
err:
ps_devices_list_remove(ps_dev);
return ERR_PTR(ret);
}
static int ps_raw_event(struct hid_device *hdev, struct hid_report *report,
u8 *data, int size)
{
@ -1499,7 +1657,15 @@ static int ps_probe(struct hid_device *hdev, const struct hid_device_id *id)
goto err_stop;
}
if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER ||
if (hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER ||
hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) {
dev = dualshock4_create(hdev);
if (IS_ERR(dev)) {
hid_err(hdev, "Failed to create dualshock4.\n");
ret = PTR_ERR(dev);
goto err_close;
}
} else if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER ||
hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) {
dev = dualsense_create(hdev);
if (IS_ERR(dev)) {
@ -1533,6 +1699,10 @@ static void ps_remove(struct hid_device *hdev)
}
static const struct hid_device_id ps_devices[] = {
/* Sony DualShock 4 controllers for PS4 */
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
/* Sony DualSense controllers for PS5 */
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) },