1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * HID driver for Sony DualSense(TM) controller. 4 * 5 * Copyright (c) 2020-2022 Sony Interactive Entertainment 6 */ 7 8#include <linux/bits.h> 9#include <linux/crc32.h> 10#include <linux/device.h> 11#include <linux/hid.h> 12#include <linux/idr.h> 13#include <linux/input/mt.h> 14#include <linux/leds.h> 15#include <linux/led-class-multicolor.h> 16#include <linux/module.h> 17 18#include <asm/unaligned.h> 19 20#include "hid-ids.h" 21 22/* List of connected playstation devices. */ 23static DEFINE_MUTEX(ps_devices_lock); 24static LIST_HEAD(ps_devices_list); 25 26static DEFINE_IDA(ps_player_id_allocator); 27 28#define HID_PLAYSTATION_VERSION_PATCH 0x8000 29 30/* Base class for playstation devices. */ 31struct ps_device { 32 struct list_head list; 33 struct hid_device *hdev; 34 spinlock_t lock; 35 36 uint32_t player_id; 37 38 struct power_supply_desc battery_desc; 39 struct power_supply *battery; 40 uint8_t battery_capacity; 41 int battery_status; 42 43 const char *input_dev_name; /* Name of primary input device. */ 44 uint8_t mac_address[6]; /* Note: stored in little endian order. */ 45 uint32_t hw_version; 46 uint32_t fw_version; 47 48 int (*parse_report)(struct ps_device *dev, struct hid_report *report, u8 *data, int size); 49 void (*remove)(struct ps_device *dev); 50}; 51 52/* Calibration data for playstation motion sensors. */ 53struct ps_calibration_data { 54 int abs_code; 55 short bias; 56 int sens_numer; 57 int sens_denom; 58}; 59 60struct ps_led_info { 61 const char *name; 62 const char *color; 63 int max_brightness; 64 enum led_brightness (*brightness_get)(struct led_classdev *cdev); 65 int (*brightness_set)(struct led_classdev *cdev, enum led_brightness); 66 int (*blink_set)(struct led_classdev *led, unsigned long *on, unsigned long *off); 67}; 68 69/* Seed values for DualShock4 / DualSense CRC32 for different report types. */ 70#define PS_INPUT_CRC32_SEED 0xA1 71#define PS_OUTPUT_CRC32_SEED 0xA2 72#define PS_FEATURE_CRC32_SEED 0xA3 73 74#define DS_INPUT_REPORT_USB 0x01 75#define DS_INPUT_REPORT_USB_SIZE 64 76#define DS_INPUT_REPORT_BT 0x31 77#define DS_INPUT_REPORT_BT_SIZE 78 78#define DS_OUTPUT_REPORT_USB 0x02 79#define DS_OUTPUT_REPORT_USB_SIZE 63 80#define DS_OUTPUT_REPORT_BT 0x31 81#define DS_OUTPUT_REPORT_BT_SIZE 78 82 83#define DS_FEATURE_REPORT_CALIBRATION 0x05 84#define DS_FEATURE_REPORT_CALIBRATION_SIZE 41 85#define DS_FEATURE_REPORT_PAIRING_INFO 0x09 86#define DS_FEATURE_REPORT_PAIRING_INFO_SIZE 20 87#define DS_FEATURE_REPORT_FIRMWARE_INFO 0x20 88#define DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE 64 89 90/* Button masks for DualSense input report. */ 91#define DS_BUTTONS0_HAT_SWITCH GENMASK(3, 0) 92#define DS_BUTTONS0_SQUARE BIT(4) 93#define DS_BUTTONS0_CROSS BIT(5) 94#define DS_BUTTONS0_CIRCLE BIT(6) 95#define DS_BUTTONS0_TRIANGLE BIT(7) 96#define DS_BUTTONS1_L1 BIT(0) 97#define DS_BUTTONS1_R1 BIT(1) 98#define DS_BUTTONS1_L2 BIT(2) 99#define DS_BUTTONS1_R2 BIT(3) 100#define DS_BUTTONS1_CREATE BIT(4) 101#define DS_BUTTONS1_OPTIONS BIT(5) 102#define DS_BUTTONS1_L3 BIT(6) 103#define DS_BUTTONS1_R3 BIT(7) 104#define DS_BUTTONS2_PS_HOME BIT(0) 105#define DS_BUTTONS2_TOUCHPAD BIT(1) 106#define DS_BUTTONS2_MIC_MUTE BIT(2) 107 108/* Status field of DualSense input report. */ 109#define DS_STATUS_BATTERY_CAPACITY GENMASK(3, 0) 110#define DS_STATUS_CHARGING GENMASK(7, 4) 111#define DS_STATUS_CHARGING_SHIFT 4 112 113/* Feature version from DualSense Firmware Info report. */ 114#define DS_FEATURE_VERSION(major, minor) ((major & 0xff) << 8 | (minor & 0xff)) 115 116/* 117 * Status of a DualSense touch point contact. 118 * Contact IDs, with highest bit set are 'inactive' 119 * and any associated data is then invalid. 120 */ 121#define DS_TOUCH_POINT_INACTIVE BIT(7) 122 123 /* Magic value required in tag field of Bluetooth output report. */ 124#define DS_OUTPUT_TAG 0x10 125/* Flags for DualSense output report. */ 126#define DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION BIT(0) 127#define DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT BIT(1) 128#define DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE BIT(0) 129#define DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE BIT(1) 130#define DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE BIT(2) 131#define DS_OUTPUT_VALID_FLAG1_RELEASE_LEDS BIT(3) 132#define DS_OUTPUT_VALID_FLAG1_PLAYER_INDICATOR_CONTROL_ENABLE BIT(4) 133#define DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE BIT(1) 134#define DS_OUTPUT_VALID_FLAG2_COMPATIBLE_VIBRATION2 BIT(2) 135#define DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE BIT(4) 136#define DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT BIT(1) 137 138/* DualSense hardware limits */ 139#define DS_ACC_RES_PER_G 8192 140#define DS_ACC_RANGE (4*DS_ACC_RES_PER_G) 141#define DS_GYRO_RES_PER_DEG_S 1024 142#define DS_GYRO_RANGE (2048*DS_GYRO_RES_PER_DEG_S) 143#define DS_TOUCHPAD_WIDTH 1920 144#define DS_TOUCHPAD_HEIGHT 1080 145 146struct dualsense { 147 struct ps_device base; 148 struct input_dev *gamepad; 149 struct input_dev *sensors; 150 struct input_dev *touchpad; 151 152 /* Update version is used as a feature/capability version. */ 153 uint16_t update_version; 154 155 /* Calibration data for accelerometer and gyroscope. */ 156 struct ps_calibration_data accel_calib_data[3]; 157 struct ps_calibration_data gyro_calib_data[3]; 158 159 /* Timestamp for sensor data */ 160 bool sensor_timestamp_initialized; 161 uint32_t prev_sensor_timestamp; 162 uint32_t sensor_timestamp_us; 163 164 /* Compatible rumble state */ 165 bool use_vibration_v2; 166 bool update_rumble; 167 uint8_t motor_left; 168 uint8_t motor_right; 169 170 /* RGB lightbar */ 171 struct led_classdev_mc lightbar; 172 bool update_lightbar; 173 uint8_t lightbar_red; 174 uint8_t lightbar_green; 175 uint8_t lightbar_blue; 176 177 /* Microphone */ 178 bool update_mic_mute; 179 bool mic_muted; 180 bool last_btn_mic_state; 181 182 /* Player leds */ 183 bool update_player_leds; 184 uint8_t player_leds_state; 185 struct led_classdev player_leds[5]; 186 187 struct work_struct output_worker; 188 bool output_worker_initialized; 189 void *output_report_dmabuf; 190 uint8_t output_seq; /* Sequence number for output report. */ 191}; 192 193struct dualsense_touch_point { 194 uint8_t contact; 195 uint8_t x_lo; 196 uint8_t x_hi:4, y_lo:4; 197 uint8_t y_hi; 198} __packed; 199static_assert(sizeof(struct dualsense_touch_point) == 4); 200 201/* Main DualSense input report excluding any BT/USB specific headers. */ 202struct dualsense_input_report { 203 uint8_t x, y; 204 uint8_t rx, ry; 205 uint8_t z, rz; 206 uint8_t seq_number; 207 uint8_t buttons[4]; 208 uint8_t reserved[4]; 209 210 /* Motion sensors */ 211 __le16 gyro[3]; /* x, y, z */ 212 __le16 accel[3]; /* x, y, z */ 213 __le32 sensor_timestamp; 214 uint8_t reserved2; 215 216 /* Touchpad */ 217 struct dualsense_touch_point points[2]; 218 219 uint8_t reserved3[12]; 220 uint8_t status; 221 uint8_t reserved4[10]; 222} __packed; 223/* Common input report size shared equals the size of the USB report minus 1 byte for ReportID. */ 224static_assert(sizeof(struct dualsense_input_report) == DS_INPUT_REPORT_USB_SIZE - 1); 225 226/* Common data between DualSense BT/USB main output report. */ 227struct dualsense_output_report_common { 228 uint8_t valid_flag0; 229 uint8_t valid_flag1; 230 231 /* For DualShock 4 compatibility mode. */ 232 uint8_t motor_right; 233 uint8_t motor_left; 234 235 /* Audio controls */ 236 uint8_t reserved[4]; 237 uint8_t mute_button_led; 238 239 uint8_t power_save_control; 240 uint8_t reserved2[28]; 241 242 /* LEDs and lightbar */ 243 uint8_t valid_flag2; 244 uint8_t reserved3[2]; 245 uint8_t lightbar_setup; 246 uint8_t led_brightness; 247 uint8_t player_leds; 248 uint8_t lightbar_red; 249 uint8_t lightbar_green; 250 uint8_t lightbar_blue; 251} __packed; 252static_assert(sizeof(struct dualsense_output_report_common) == 47); 253 254struct dualsense_output_report_bt { 255 uint8_t report_id; /* 0x31 */ 256 uint8_t seq_tag; 257 uint8_t tag; 258 struct dualsense_output_report_common common; 259 uint8_t reserved[24]; 260 __le32 crc32; 261} __packed; 262static_assert(sizeof(struct dualsense_output_report_bt) == DS_OUTPUT_REPORT_BT_SIZE); 263 264struct dualsense_output_report_usb { 265 uint8_t report_id; /* 0x02 */ 266 struct dualsense_output_report_common common; 267 uint8_t reserved[15]; 268} __packed; 269static_assert(sizeof(struct dualsense_output_report_usb) == DS_OUTPUT_REPORT_USB_SIZE); 270 271/* 272 * The DualSense has a main output report used to control most features. It is 273 * largely the same between Bluetooth and USB except for different headers and CRC. 274 * This structure hide the differences between the two to simplify sending output reports. 275 */ 276struct dualsense_output_report { 277 uint8_t *data; /* Start of data */ 278 uint8_t len; /* Size of output report */ 279 280 /* Points to Bluetooth data payload in case for a Bluetooth report else NULL. */ 281 struct dualsense_output_report_bt *bt; 282 /* Points to USB data payload in case for a USB report else NULL. */ 283 struct dualsense_output_report_usb *usb; 284 /* Points to common section of report, so past any headers. */ 285 struct dualsense_output_report_common *common; 286}; 287 288#define DS4_INPUT_REPORT_USB 0x01 289#define DS4_INPUT_REPORT_USB_SIZE 64 290#define DS4_INPUT_REPORT_BT 0x11 291#define DS4_INPUT_REPORT_BT_SIZE 78 292#define DS4_OUTPUT_REPORT_USB 0x05 293#define DS4_OUTPUT_REPORT_USB_SIZE 32 294#define DS4_OUTPUT_REPORT_BT 0x11 295#define DS4_OUTPUT_REPORT_BT_SIZE 78 296 297#define DS4_FEATURE_REPORT_CALIBRATION 0x02 298#define DS4_FEATURE_REPORT_CALIBRATION_SIZE 37 299#define DS4_FEATURE_REPORT_CALIBRATION_BT 0x05 300#define DS4_FEATURE_REPORT_CALIBRATION_BT_SIZE 41 301#define DS4_FEATURE_REPORT_FIRMWARE_INFO 0xa3 302#define DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE 49 303#define DS4_FEATURE_REPORT_PAIRING_INFO 0x12 304#define DS4_FEATURE_REPORT_PAIRING_INFO_SIZE 16 305 306/* 307 * Status of a DualShock4 touch point contact. 308 * Contact IDs, with highest bit set are 'inactive' 309 * and any associated data is then invalid. 310 */ 311#define DS4_TOUCH_POINT_INACTIVE BIT(7) 312 313/* Status field of DualShock4 input report. */ 314#define DS4_STATUS0_BATTERY_CAPACITY GENMASK(3, 0) 315#define DS4_STATUS0_CABLE_STATE BIT(4) 316/* Battery status within batery_status field. */ 317#define DS4_BATTERY_STATUS_FULL 11 318/* Status1 bit2 contains dongle connection state: 319 * 0 = connectd 320 * 1 = disconnected 321 */ 322#define DS4_STATUS1_DONGLE_STATE BIT(2) 323 324/* The lower 6 bits of hw_control of the Bluetooth main output report 325 * control the interval at which Dualshock 4 reports data: 326 * 0x00 - 1ms 327 * 0x01 - 1ms 328 * 0x02 - 2ms 329 * 0x3E - 62ms 330 * 0x3F - disabled 331 */ 332#define DS4_OUTPUT_HWCTL_BT_POLL_MASK 0x3F 333/* Default to 4ms poll interval, which is same as USB (not adjustable). */ 334#define DS4_BT_DEFAULT_POLL_INTERVAL_MS 4 335#define DS4_OUTPUT_HWCTL_CRC32 0x40 336#define DS4_OUTPUT_HWCTL_HID 0x80 337 338/* Flags for DualShock4 output report. */ 339#define DS4_OUTPUT_VALID_FLAG0_MOTOR 0x01 340#define DS4_OUTPUT_VALID_FLAG0_LED 0x02 341#define DS4_OUTPUT_VALID_FLAG0_LED_BLINK 0x04 342 343/* DualShock4 hardware limits */ 344#define DS4_ACC_RES_PER_G 8192 345#define DS4_ACC_RANGE (4*DS_ACC_RES_PER_G) 346#define DS4_GYRO_RES_PER_DEG_S 1024 347#define DS4_GYRO_RANGE (2048*DS_GYRO_RES_PER_DEG_S) 348#define DS4_LIGHTBAR_MAX_BLINK 255 /* 255 centiseconds */ 349#define DS4_TOUCHPAD_WIDTH 1920 350#define DS4_TOUCHPAD_HEIGHT 942 351 352enum dualshock4_dongle_state { 353 DONGLE_DISCONNECTED, 354 DONGLE_CALIBRATING, 355 DONGLE_CONNECTED, 356 DONGLE_DISABLED 357}; 358 359struct dualshock4 { 360 struct ps_device base; 361 struct input_dev *gamepad; 362 struct input_dev *sensors; 363 struct input_dev *touchpad; 364 365 /* Calibration data for accelerometer and gyroscope. */ 366 struct ps_calibration_data accel_calib_data[3]; 367 struct ps_calibration_data gyro_calib_data[3]; 368 369 /* Only used on dongle to track state transitions. */ 370 enum dualshock4_dongle_state dongle_state; 371 /* Used during calibration. */ 372 struct work_struct dongle_hotplug_worker; 373 374 /* Timestamp for sensor data */ 375 bool sensor_timestamp_initialized; 376 uint32_t prev_sensor_timestamp; 377 uint32_t sensor_timestamp_us; 378 379 /* Bluetooth poll interval */ 380 bool update_bt_poll_interval; 381 uint8_t bt_poll_interval; 382 383 bool update_rumble; 384 uint8_t motor_left; 385 uint8_t motor_right; 386 387 /* Lightbar leds */ 388 bool update_lightbar; 389 bool update_lightbar_blink; 390 bool lightbar_enabled; /* For use by global LED control. */ 391 uint8_t lightbar_red; 392 uint8_t lightbar_green; 393 uint8_t lightbar_blue; 394 uint8_t lightbar_blink_on; /* In increments of 10ms. */ 395 uint8_t lightbar_blink_off; /* In increments of 10ms. */ 396 struct led_classdev lightbar_leds[4]; 397 398 struct work_struct output_worker; 399 bool output_worker_initialized; 400 void *output_report_dmabuf; 401}; 402 403struct dualshock4_touch_point { 404 uint8_t contact; 405 uint8_t x_lo; 406 uint8_t x_hi:4, y_lo:4; 407 uint8_t y_hi; 408} __packed; 409static_assert(sizeof(struct dualshock4_touch_point) == 4); 410 411struct dualshock4_touch_report { 412 uint8_t timestamp; 413 struct dualshock4_touch_point points[2]; 414} __packed; 415static_assert(sizeof(struct dualshock4_touch_report) == 9); 416 417/* Main DualShock4 input report excluding any BT/USB specific headers. */ 418struct dualshock4_input_report_common { 419 uint8_t x, y; 420 uint8_t rx, ry; 421 uint8_t buttons[3]; 422 uint8_t z, rz; 423 424 /* Motion sensors */ 425 __le16 sensor_timestamp; 426 uint8_t sensor_temperature; 427 __le16 gyro[3]; /* x, y, z */ 428 __le16 accel[3]; /* x, y, z */ 429 uint8_t reserved2[5]; 430 431 uint8_t status[2]; 432 uint8_t reserved3; 433} __packed; 434static_assert(sizeof(struct dualshock4_input_report_common) == 32); 435 436struct dualshock4_input_report_usb { 437 uint8_t report_id; /* 0x01 */ 438 struct dualshock4_input_report_common common; 439 uint8_t num_touch_reports; 440 struct dualshock4_touch_report touch_reports[3]; 441 uint8_t reserved[3]; 442} __packed; 443static_assert(sizeof(struct dualshock4_input_report_usb) == DS4_INPUT_REPORT_USB_SIZE); 444 445struct dualshock4_input_report_bt { 446 uint8_t report_id; /* 0x11 */ 447 uint8_t reserved[2]; 448 struct dualshock4_input_report_common common; 449 uint8_t num_touch_reports; 450 struct dualshock4_touch_report touch_reports[4]; /* BT has 4 compared to 3 for USB */ 451 uint8_t reserved2[2]; 452 __le32 crc32; 453} __packed; 454static_assert(sizeof(struct dualshock4_input_report_bt) == DS4_INPUT_REPORT_BT_SIZE); 455 456/* Common data between Bluetooth and USB DualShock4 output reports. */ 457struct dualshock4_output_report_common { 458 uint8_t valid_flag0; 459 uint8_t valid_flag1; 460 461 uint8_t reserved; 462 463 uint8_t motor_right; 464 uint8_t motor_left; 465 466 uint8_t lightbar_red; 467 uint8_t lightbar_green; 468 uint8_t lightbar_blue; 469 uint8_t lightbar_blink_on; 470 uint8_t lightbar_blink_off; 471} __packed; 472 473struct dualshock4_output_report_usb { 474 uint8_t report_id; /* 0x5 */ 475 struct dualshock4_output_report_common common; 476 uint8_t reserved[21]; 477} __packed; 478static_assert(sizeof(struct dualshock4_output_report_usb) == DS4_OUTPUT_REPORT_USB_SIZE); 479 480struct dualshock4_output_report_bt { 481 uint8_t report_id; /* 0x11 */ 482 uint8_t hw_control; 483 uint8_t audio_control; 484 struct dualshock4_output_report_common common; 485 uint8_t reserved[61]; 486 __le32 crc32; 487} __packed; 488static_assert(sizeof(struct dualshock4_output_report_bt) == DS4_OUTPUT_REPORT_BT_SIZE); 489 490/* 491 * The DualShock4 has a main output report used to control most features. It is 492 * largely the same between Bluetooth and USB except for different headers and CRC. 493 * This structure hide the differences between the two to simplify sending output reports. 494 */ 495struct dualshock4_output_report { 496 uint8_t *data; /* Start of data */ 497 uint8_t len; /* Size of output report */ 498 499 /* Points to Bluetooth data payload in case for a Bluetooth report else NULL. */ 500 struct dualshock4_output_report_bt *bt; 501 /* Points to USB data payload in case for a USB report else NULL. */ 502 struct dualshock4_output_report_usb *usb; 503 /* Points to common section of report, so past any headers. */ 504 struct dualshock4_output_report_common *common; 505}; 506 507/* 508 * Common gamepad buttons across DualShock 3 / 4 and DualSense. 509 * Note: for device with a touchpad, touchpad button is not included 510 * as it will be part of the touchpad device. 511 */ 512static const int ps_gamepad_buttons[] = { 513 BTN_WEST, /* Square */ 514 BTN_NORTH, /* Triangle */ 515 BTN_EAST, /* Circle */ 516 BTN_SOUTH, /* Cross */ 517 BTN_TL, /* L1 */ 518 BTN_TR, /* R1 */ 519 BTN_TL2, /* L2 */ 520 BTN_TR2, /* R2 */ 521 BTN_SELECT, /* Create (PS5) / Share (PS4) */ 522 BTN_START, /* Option */ 523 BTN_THUMBL, /* L3 */ 524 BTN_THUMBR, /* R3 */ 525 BTN_MODE, /* PS Home */ 526}; 527 528static const struct {int x; int y; } ps_gamepad_hat_mapping[] = { 529 {0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1}, 530 {0, 0}, 531}; 532 533static int dualshock4_get_calibration_data(struct dualshock4 *ds4); 534static inline void dualsense_schedule_work(struct dualsense *ds); 535static inline void dualshock4_schedule_work(struct dualshock4 *ds4); 536static void dualsense_set_lightbar(struct dualsense *ds, uint8_t red, uint8_t green, uint8_t blue); 537static void dualshock4_set_default_lightbar_colors(struct dualshock4 *ds4); 538 539/* 540 * Add a new ps_device to ps_devices if it doesn't exist. 541 * Return error on duplicate device, which can happen if the same 542 * device is connected using both Bluetooth and USB. 543 */ 544static int ps_devices_list_add(struct ps_device *dev) 545{ 546 struct ps_device *entry; 547 548 mutex_lock(&ps_devices_lock); 549 list_for_each_entry(entry, &ps_devices_list, list) { 550 if (!memcmp(entry->mac_address, dev->mac_address, sizeof(dev->mac_address))) { 551 hid_err(dev->hdev, "Duplicate device found for MAC address %pMR.\n", 552 dev->mac_address); 553 mutex_unlock(&ps_devices_lock); 554 return -EEXIST; 555 } 556 } 557 558 list_add_tail(&dev->list, &ps_devices_list); 559 mutex_unlock(&ps_devices_lock); 560 return 0; 561} 562 563static int ps_devices_list_remove(struct ps_device *dev) 564{ 565 mutex_lock(&ps_devices_lock); 566 list_del(&dev->list); 567 mutex_unlock(&ps_devices_lock); 568 return 0; 569} 570 571static int ps_device_set_player_id(struct ps_device *dev) 572{ 573 int ret = ida_alloc(&ps_player_id_allocator, GFP_KERNEL); 574 575 if (ret < 0) 576 return ret; 577 578 dev->player_id = ret; 579 return 0; 580} 581 582static void ps_device_release_player_id(struct ps_device *dev) 583{ 584 ida_free(&ps_player_id_allocator, dev->player_id); 585 586 dev->player_id = U32_MAX; 587} 588 589static struct input_dev *ps_allocate_input_dev(struct hid_device *hdev, const char *name_suffix) 590{ 591 struct input_dev *input_dev; 592 593 input_dev = devm_input_allocate_device(&hdev->dev); 594 if (!input_dev) 595 return ERR_PTR(-ENOMEM); 596 597 input_dev->id.bustype = hdev->bus; 598 input_dev->id.vendor = hdev->vendor; 599 input_dev->id.product = hdev->product; 600 input_dev->id.version = hdev->version; 601 input_dev->uniq = hdev->uniq; 602 603 if (name_suffix) { 604 input_dev->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s %s", hdev->name, 605 name_suffix); 606 if (!input_dev->name) 607 return ERR_PTR(-ENOMEM); 608 } else { 609 input_dev->name = hdev->name; 610 } 611 612 input_set_drvdata(input_dev, hdev); 613 614 return input_dev; 615} 616 617static enum power_supply_property ps_power_supply_props[] = { 618 POWER_SUPPLY_PROP_STATUS, 619 POWER_SUPPLY_PROP_PRESENT, 620 POWER_SUPPLY_PROP_CAPACITY, 621 POWER_SUPPLY_PROP_SCOPE, 622}; 623 624static int ps_battery_get_property(struct power_supply *psy, 625 enum power_supply_property psp, 626 union power_supply_propval *val) 627{ 628 struct ps_device *dev = power_supply_get_drvdata(psy); 629 uint8_t battery_capacity; 630 int battery_status; 631 unsigned long flags; 632 int ret = 0; 633 634 spin_lock_irqsave(&dev->lock, flags); 635 battery_capacity = dev->battery_capacity; 636 battery_status = dev->battery_status; 637 spin_unlock_irqrestore(&dev->lock, flags); 638 639 switch (psp) { 640 case POWER_SUPPLY_PROP_STATUS: 641 val->intval = battery_status; 642 break; 643 case POWER_SUPPLY_PROP_PRESENT: 644 val->intval = 1; 645 break; 646 case POWER_SUPPLY_PROP_CAPACITY: 647 val->intval = battery_capacity; 648 break; 649 case POWER_SUPPLY_PROP_SCOPE: 650 val->intval = POWER_SUPPLY_SCOPE_DEVICE; 651 break; 652 default: 653 ret = -EINVAL; 654 break; 655 } 656 657 return ret; 658} 659 660static int ps_device_register_battery(struct ps_device *dev) 661{ 662 struct power_supply *battery; 663 struct power_supply_config battery_cfg = { .drv_data = dev }; 664 int ret; 665 666 dev->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; 667 dev->battery_desc.properties = ps_power_supply_props; 668 dev->battery_desc.num_properties = ARRAY_SIZE(ps_power_supply_props); 669 dev->battery_desc.get_property = ps_battery_get_property; 670 dev->battery_desc.name = devm_kasprintf(&dev->hdev->dev, GFP_KERNEL, 671 "ps-controller-battery-%pMR", dev->mac_address); 672 if (!dev->battery_desc.name) 673 return -ENOMEM; 674 675 battery = devm_power_supply_register(&dev->hdev->dev, &dev->battery_desc, &battery_cfg); 676 if (IS_ERR(battery)) { 677 ret = PTR_ERR(battery); 678 hid_err(dev->hdev, "Unable to register battery device: %d\n", ret); 679 return ret; 680 } 681 dev->battery = battery; 682 683 ret = power_supply_powers(dev->battery, &dev->hdev->dev); 684 if (ret) { 685 hid_err(dev->hdev, "Unable to activate battery device: %d\n", ret); 686 return ret; 687 } 688 689 return 0; 690} 691 692/* Compute crc32 of HID data and compare against expected CRC. */ 693static bool ps_check_crc32(uint8_t seed, uint8_t *data, size_t len, uint32_t report_crc) 694{ 695 uint32_t crc; 696 697 crc = crc32_le(0xFFFFFFFF, &seed, 1); 698 crc = ~crc32_le(crc, data, len); 699 700 return crc == report_crc; 701} 702 703static struct input_dev *ps_gamepad_create(struct hid_device *hdev, 704 int (*play_effect)(struct input_dev *, void *, struct ff_effect *)) 705{ 706 struct input_dev *gamepad; 707 unsigned int i; 708 int ret; 709 710 gamepad = ps_allocate_input_dev(hdev, NULL); 711 if (IS_ERR(gamepad)) 712 return ERR_CAST(gamepad); 713 714 input_set_abs_params(gamepad, ABS_X, 0, 255, 0, 0); 715 input_set_abs_params(gamepad, ABS_Y, 0, 255, 0, 0); 716 input_set_abs_params(gamepad, ABS_Z, 0, 255, 0, 0); 717 input_set_abs_params(gamepad, ABS_RX, 0, 255, 0, 0); 718 input_set_abs_params(gamepad, ABS_RY, 0, 255, 0, 0); 719 input_set_abs_params(gamepad, ABS_RZ, 0, 255, 0, 0); 720 721 input_set_abs_params(gamepad, ABS_HAT0X, -1, 1, 0, 0); 722 input_set_abs_params(gamepad, ABS_HAT0Y, -1, 1, 0, 0); 723 724 for (i = 0; i < ARRAY_SIZE(ps_gamepad_buttons); i++) 725 input_set_capability(gamepad, EV_KEY, ps_gamepad_buttons[i]); 726 727#if IS_ENABLED(CONFIG_PLAYSTATION_FF) 728 if (play_effect) { 729 input_set_capability(gamepad, EV_FF, FF_RUMBLE); 730 input_ff_create_memless(gamepad, NULL, play_effect); 731 } 732#endif 733 734 ret = input_register_device(gamepad); 735 if (ret) 736 return ERR_PTR(ret); 737 738 return gamepad; 739} 740 741static int ps_get_report(struct hid_device *hdev, uint8_t report_id, uint8_t *buf, size_t size, 742 bool check_crc) 743{ 744 int ret; 745 746 ret = hid_hw_raw_request(hdev, report_id, buf, size, HID_FEATURE_REPORT, 747 HID_REQ_GET_REPORT); 748 if (ret < 0) { 749 hid_err(hdev, "Failed to retrieve feature with reportID %d: %d\n", report_id, ret); 750 return ret; 751 } 752 753 if (ret != size) { 754 hid_err(hdev, "Invalid byte count transferred, expected %zu got %d\n", size, ret); 755 return -EINVAL; 756 } 757 758 if (buf[0] != report_id) { 759 hid_err(hdev, "Invalid reportID received, expected %d got %d\n", report_id, buf[0]); 760 return -EINVAL; 761 } 762 763 if (hdev->bus == BUS_BLUETOOTH && check_crc) { 764 /* Last 4 bytes contains crc32. */ 765 uint8_t crc_offset = size - 4; 766 uint32_t report_crc = get_unaligned_le32(&buf[crc_offset]); 767 768 if (!ps_check_crc32(PS_FEATURE_CRC32_SEED, buf, crc_offset, report_crc)) { 769 hid_err(hdev, "CRC check failed for reportID=%d\n", report_id); 770 return -EILSEQ; 771 } 772 } 773 774 return 0; 775} 776 777static int ps_led_register(struct ps_device *ps_dev, struct led_classdev *led, 778 const struct ps_led_info *led_info) 779{ 780 int ret; 781 782 if (led_info->name) { 783 led->name = devm_kasprintf(&ps_dev->hdev->dev, GFP_KERNEL, 784 "%s:%s:%s", ps_dev->input_dev_name, led_info->color, led_info->name); 785 } else { 786 /* Backwards compatible mode for hid-sony, but not compliant with LED class spec. */ 787 led->name = devm_kasprintf(&ps_dev->hdev->dev, GFP_KERNEL, 788 "%s:%s", ps_dev->input_dev_name, led_info->color); 789 } 790 791 if (!led->name) 792 return -ENOMEM; 793 794 led->brightness = 0; 795 led->max_brightness = led_info->max_brightness; 796 led->flags = LED_CORE_SUSPENDRESUME; 797 led->brightness_get = led_info->brightness_get; 798 led->brightness_set_blocking = led_info->brightness_set; 799 led->blink_set = led_info->blink_set; 800 801 ret = devm_led_classdev_register(&ps_dev->hdev->dev, led); 802 if (ret) { 803 hid_err(ps_dev->hdev, "Failed to register LED %s: %d\n", led_info->name, ret); 804 return ret; 805 } 806 807 return 0; 808} 809 810/* Register a DualSense/DualShock4 RGB lightbar represented by a multicolor LED. */ 811static int ps_lightbar_register(struct ps_device *ps_dev, struct led_classdev_mc *lightbar_mc_dev, 812 int (*brightness_set)(struct led_classdev *, enum led_brightness)) 813{ 814 struct hid_device *hdev = ps_dev->hdev; 815 struct mc_subled *mc_led_info; 816 struct led_classdev *led_cdev; 817 int ret; 818 819 mc_led_info = devm_kmalloc_array(&hdev->dev, 3, sizeof(*mc_led_info), 820 GFP_KERNEL | __GFP_ZERO); 821 if (!mc_led_info) 822 return -ENOMEM; 823 824 mc_led_info[0].color_index = LED_COLOR_ID_RED; 825 mc_led_info[1].color_index = LED_COLOR_ID_GREEN; 826 mc_led_info[2].color_index = LED_COLOR_ID_BLUE; 827 828 lightbar_mc_dev->subled_info = mc_led_info; 829 lightbar_mc_dev->num_colors = 3; 830 831 led_cdev = &lightbar_mc_dev->led_cdev; 832 led_cdev->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s:rgb:indicator", 833 ps_dev->input_dev_name); 834 if (!led_cdev->name) 835 return -ENOMEM; 836 led_cdev->brightness = 255; 837 led_cdev->max_brightness = 255; 838 led_cdev->brightness_set_blocking = brightness_set; 839 840 ret = devm_led_classdev_multicolor_register(&hdev->dev, lightbar_mc_dev); 841 if (ret < 0) { 842 hid_err(hdev, "Cannot register multicolor LED device\n"); 843 return ret; 844 } 845 846 return 0; 847} 848 849static struct input_dev *ps_sensors_create(struct hid_device *hdev, int accel_range, int accel_res, 850 int gyro_range, int gyro_res) 851{ 852 struct input_dev *sensors; 853 int ret; 854 855 sensors = ps_allocate_input_dev(hdev, "Motion Sensors"); 856 if (IS_ERR(sensors)) 857 return ERR_CAST(sensors); 858 859 __set_bit(INPUT_PROP_ACCELEROMETER, sensors->propbit); 860 __set_bit(EV_MSC, sensors->evbit); 861 __set_bit(MSC_TIMESTAMP, sensors->mscbit); 862 863 /* Accelerometer */ 864 input_set_abs_params(sensors, ABS_X, -accel_range, accel_range, 16, 0); 865 input_set_abs_params(sensors, ABS_Y, -accel_range, accel_range, 16, 0); 866 input_set_abs_params(sensors, ABS_Z, -accel_range, accel_range, 16, 0); 867 input_abs_set_res(sensors, ABS_X, accel_res); 868 input_abs_set_res(sensors, ABS_Y, accel_res); 869 input_abs_set_res(sensors, ABS_Z, accel_res); 870 871 /* Gyroscope */ 872 input_set_abs_params(sensors, ABS_RX, -gyro_range, gyro_range, 16, 0); 873 input_set_abs_params(sensors, ABS_RY, -gyro_range, gyro_range, 16, 0); 874 input_set_abs_params(sensors, ABS_RZ, -gyro_range, gyro_range, 16, 0); 875 input_abs_set_res(sensors, ABS_RX, gyro_res); 876 input_abs_set_res(sensors, ABS_RY, gyro_res); 877 input_abs_set_res(sensors, ABS_RZ, gyro_res); 878 879 ret = input_register_device(sensors); 880 if (ret) 881 return ERR_PTR(ret); 882 883 return sensors; 884} 885 886static struct input_dev *ps_touchpad_create(struct hid_device *hdev, int width, int height, 887 unsigned int num_contacts) 888{ 889 struct input_dev *touchpad; 890 int ret; 891 892 touchpad = ps_allocate_input_dev(hdev, "Touchpad"); 893 if (IS_ERR(touchpad)) 894 return ERR_CAST(touchpad); 895 896 /* Map button underneath touchpad to BTN_LEFT. */ 897 input_set_capability(touchpad, EV_KEY, BTN_LEFT); 898 __set_bit(INPUT_PROP_BUTTONPAD, touchpad->propbit); 899 900 input_set_abs_params(touchpad, ABS_MT_POSITION_X, 0, width - 1, 0, 0); 901 input_set_abs_params(touchpad, ABS_MT_POSITION_Y, 0, height - 1, 0, 0); 902 903 ret = input_mt_init_slots(touchpad, num_contacts, INPUT_MT_POINTER); 904 if (ret) 905 return ERR_PTR(ret); 906 907 ret = input_register_device(touchpad); 908 if (ret) 909 return ERR_PTR(ret); 910 911 return touchpad; 912} 913 914static ssize_t firmware_version_show(struct device *dev, 915 struct device_attribute 916 *attr, char *buf) 917{ 918 struct hid_device *hdev = to_hid_device(dev); 919 struct ps_device *ps_dev = hid_get_drvdata(hdev); 920 921 return sysfs_emit(buf, "0x%08x\n", ps_dev->fw_version); 922} 923 924static DEVICE_ATTR_RO(firmware_version); 925 926static ssize_t hardware_version_show(struct device *dev, 927 struct device_attribute 928 *attr, char *buf) 929{ 930 struct hid_device *hdev = to_hid_device(dev); 931 struct ps_device *ps_dev = hid_get_drvdata(hdev); 932 933 return sysfs_emit(buf, "0x%08x\n", ps_dev->hw_version); 934} 935 936static DEVICE_ATTR_RO(hardware_version); 937 938static struct attribute *ps_device_attrs[] = { 939 &dev_attr_firmware_version.attr, 940 &dev_attr_hardware_version.attr, 941 NULL 942}; 943ATTRIBUTE_GROUPS(ps_device); 944 945static int dualsense_get_calibration_data(struct dualsense *ds) 946{ 947 struct hid_device *hdev = ds->base.hdev; 948 short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus; 949 short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus; 950 short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus; 951 short gyro_speed_plus, gyro_speed_minus; 952 short acc_x_plus, acc_x_minus; 953 short acc_y_plus, acc_y_minus; 954 short acc_z_plus, acc_z_minus; 955 int speed_2x; 956 int range_2g; 957 int ret = 0; 958 int i; 959 uint8_t *buf; 960 961 buf = kzalloc(DS_FEATURE_REPORT_CALIBRATION_SIZE, GFP_KERNEL); 962 if (!buf) 963 return -ENOMEM; 964 965 ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_CALIBRATION, buf, 966 DS_FEATURE_REPORT_CALIBRATION_SIZE, true); 967 if (ret) { 968 hid_err(ds->base.hdev, "Failed to retrieve DualSense calibration info: %d\n", ret); 969 goto err_free; 970 } 971 972 gyro_pitch_bias = get_unaligned_le16(&buf[1]); 973 gyro_yaw_bias = get_unaligned_le16(&buf[3]); 974 gyro_roll_bias = get_unaligned_le16(&buf[5]); 975 gyro_pitch_plus = get_unaligned_le16(&buf[7]); 976 gyro_pitch_minus = get_unaligned_le16(&buf[9]); 977 gyro_yaw_plus = get_unaligned_le16(&buf[11]); 978 gyro_yaw_minus = get_unaligned_le16(&buf[13]); 979 gyro_roll_plus = get_unaligned_le16(&buf[15]); 980 gyro_roll_minus = get_unaligned_le16(&buf[17]); 981 gyro_speed_plus = get_unaligned_le16(&buf[19]); 982 gyro_speed_minus = get_unaligned_le16(&buf[21]); 983 acc_x_plus = get_unaligned_le16(&buf[23]); 984 acc_x_minus = get_unaligned_le16(&buf[25]); 985 acc_y_plus = get_unaligned_le16(&buf[27]); 986 acc_y_minus = get_unaligned_le16(&buf[29]); 987 acc_z_plus = get_unaligned_le16(&buf[31]); 988 acc_z_minus = get_unaligned_le16(&buf[33]); 989 990 /* 991 * Set gyroscope calibration and normalization parameters. 992 * Data values will be normalized to 1/DS_GYRO_RES_PER_DEG_S degree/s. 993 */ 994 speed_2x = (gyro_speed_plus + gyro_speed_minus); 995 ds->gyro_calib_data[0].abs_code = ABS_RX; 996 ds->gyro_calib_data[0].bias = 0; 997 ds->gyro_calib_data[0].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S; 998 ds->gyro_calib_data[0].sens_denom = abs(gyro_pitch_plus - gyro_pitch_bias) + 999 abs(gyro_pitch_minus - gyro_pitch_bias); 1000 1001 ds->gyro_calib_data[1].abs_code = ABS_RY; 1002 ds->gyro_calib_data[1].bias = 0; 1003 ds->gyro_calib_data[1].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S; 1004 ds->gyro_calib_data[1].sens_denom = abs(gyro_yaw_plus - gyro_yaw_bias) + 1005 abs(gyro_yaw_minus - gyro_yaw_bias); 1006 1007 ds->gyro_calib_data[2].abs_code = ABS_RZ; 1008 ds->gyro_calib_data[2].bias = 0; 1009 ds->gyro_calib_data[2].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S; 1010 ds->gyro_calib_data[2].sens_denom = abs(gyro_roll_plus - gyro_roll_bias) + 1011 abs(gyro_roll_minus - gyro_roll_bias); 1012 1013 /* 1014 * Sanity check gyro calibration data. This is needed to prevent crashes 1015 * during report handling of virtual, clone or broken devices not implementing 1016 * calibration data properly. 1017 */ 1018 for (i = 0; i < ARRAY_SIZE(ds->gyro_calib_data); i++) { 1019 if (ds->gyro_calib_data[i].sens_denom == 0) { 1020 hid_warn(hdev, "Invalid gyro calibration data for axis (%d), disabling calibration.", 1021 ds->gyro_calib_data[i].abs_code); 1022 ds->gyro_calib_data[i].bias = 0; 1023 ds->gyro_calib_data[i].sens_numer = DS_GYRO_RANGE; 1024 ds->gyro_calib_data[i].sens_denom = S16_MAX; 1025 } 1026 } 1027 1028 /* 1029 * Set accelerometer calibration and normalization parameters. 1030 * Data values will be normalized to 1/DS_ACC_RES_PER_G g. 1031 */ 1032 range_2g = acc_x_plus - acc_x_minus; 1033 ds->accel_calib_data[0].abs_code = ABS_X; 1034 ds->accel_calib_data[0].bias = acc_x_plus - range_2g / 2; 1035 ds->accel_calib_data[0].sens_numer = 2*DS_ACC_RES_PER_G; 1036 ds->accel_calib_data[0].sens_denom = range_2g; 1037 1038 range_2g = acc_y_plus - acc_y_minus; 1039 ds->accel_calib_data[1].abs_code = ABS_Y; 1040 ds->accel_calib_data[1].bias = acc_y_plus - range_2g / 2; 1041 ds->accel_calib_data[1].sens_numer = 2*DS_ACC_RES_PER_G; 1042 ds->accel_calib_data[1].sens_denom = range_2g; 1043 1044 range_2g = acc_z_plus - acc_z_minus; 1045 ds->accel_calib_data[2].abs_code = ABS_Z; 1046 ds->accel_calib_data[2].bias = acc_z_plus - range_2g / 2; 1047 ds->accel_calib_data[2].sens_numer = 2*DS_ACC_RES_PER_G; 1048 ds->accel_calib_data[2].sens_denom = range_2g; 1049 1050 /* 1051 * Sanity check accelerometer calibration data. This is needed to prevent crashes 1052 * during report handling of virtual, clone or broken devices not implementing calibration 1053 * data properly. 1054 */ 1055 for (i = 0; i < ARRAY_SIZE(ds->accel_calib_data); i++) { 1056 if (ds->accel_calib_data[i].sens_denom == 0) { 1057 hid_warn(hdev, "Invalid accelerometer calibration data for axis (%d), disabling calibration.", 1058 ds->accel_calib_data[i].abs_code); 1059 ds->accel_calib_data[i].bias = 0; 1060 ds->accel_calib_data[i].sens_numer = DS_ACC_RANGE; 1061 ds->accel_calib_data[i].sens_denom = S16_MAX; 1062 } 1063 } 1064 1065err_free: 1066 kfree(buf); 1067 return ret; 1068} 1069 1070 1071static int dualsense_get_firmware_info(struct dualsense *ds) 1072{ 1073 uint8_t *buf; 1074 int ret; 1075 1076 buf = kzalloc(DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL); 1077 if (!buf) 1078 return -ENOMEM; 1079 1080 ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_FIRMWARE_INFO, buf, 1081 DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, true); 1082 if (ret) { 1083 hid_err(ds->base.hdev, "Failed to retrieve DualSense firmware info: %d\n", ret); 1084 goto err_free; 1085 } 1086 1087 ds->base.hw_version = get_unaligned_le32(&buf[24]); 1088 ds->base.fw_version = get_unaligned_le32(&buf[28]); 1089 1090 /* Update version is some kind of feature version. It is distinct from 1091 * the firmware version as there can be many different variations of a 1092 * controller over time with the same physical shell, but with different 1093 * PCBs and other internal changes. The update version (internal name) is 1094 * used as a means to detect what features are available and change behavior. 1095 * Note: the version is different between DualSense and DualSense Edge. 1096 */ 1097 ds->update_version = get_unaligned_le16(&buf[44]); 1098 1099err_free: 1100 kfree(buf); 1101 return ret; 1102} 1103 1104static int dualsense_get_mac_address(struct dualsense *ds) 1105{ 1106 uint8_t *buf; 1107 int ret = 0; 1108 1109 buf = kzalloc(DS_FEATURE_REPORT_PAIRING_INFO_SIZE, GFP_KERNEL); 1110 if (!buf) 1111 return -ENOMEM; 1112 1113 ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_PAIRING_INFO, buf, 1114 DS_FEATURE_REPORT_PAIRING_INFO_SIZE, true); 1115 if (ret) { 1116 hid_err(ds->base.hdev, "Failed to retrieve DualSense pairing info: %d\n", ret); 1117 goto err_free; 1118 } 1119 1120 memcpy(ds->base.mac_address, &buf[1], sizeof(ds->base.mac_address)); 1121 1122err_free: 1123 kfree(buf); 1124 return ret; 1125} 1126 1127static int dualsense_lightbar_set_brightness(struct led_classdev *cdev, 1128 enum led_brightness brightness) 1129{ 1130 struct led_classdev_mc *mc_cdev = lcdev_to_mccdev(cdev); 1131 struct dualsense *ds = container_of(mc_cdev, struct dualsense, lightbar); 1132 uint8_t red, green, blue; 1133 1134 led_mc_calc_color_components(mc_cdev, brightness); 1135 red = mc_cdev->subled_info[0].brightness; 1136 green = mc_cdev->subled_info[1].brightness; 1137 blue = mc_cdev->subled_info[2].brightness; 1138 1139 dualsense_set_lightbar(ds, red, green, blue); 1140 return 0; 1141} 1142 1143static enum led_brightness dualsense_player_led_get_brightness(struct led_classdev *led) 1144{ 1145 struct hid_device *hdev = to_hid_device(led->dev->parent); 1146 struct dualsense *ds = hid_get_drvdata(hdev); 1147 1148 return !!(ds->player_leds_state & BIT(led - ds->player_leds)); 1149} 1150 1151static int dualsense_player_led_set_brightness(struct led_classdev *led, enum led_brightness value) 1152{ 1153 struct hid_device *hdev = to_hid_device(led->dev->parent); 1154 struct dualsense *ds = hid_get_drvdata(hdev); 1155 unsigned long flags; 1156 unsigned int led_index; 1157 1158 spin_lock_irqsave(&ds->base.lock, flags); 1159 1160 led_index = led - ds->player_leds; 1161 if (value == LED_OFF) 1162 ds->player_leds_state &= ~BIT(led_index); 1163 else 1164 ds->player_leds_state |= BIT(led_index); 1165 1166 ds->update_player_leds = true; 1167 spin_unlock_irqrestore(&ds->base.lock, flags); 1168 1169 dualsense_schedule_work(ds); 1170 1171 return 0; 1172} 1173 1174static void dualsense_init_output_report(struct dualsense *ds, struct dualsense_output_report *rp, 1175 void *buf) 1176{ 1177 struct hid_device *hdev = ds->base.hdev; 1178 1179 if (hdev->bus == BUS_BLUETOOTH) { 1180 struct dualsense_output_report_bt *bt = buf; 1181 1182 memset(bt, 0, sizeof(*bt)); 1183 bt->report_id = DS_OUTPUT_REPORT_BT; 1184 bt->tag = DS_OUTPUT_TAG; /* Tag must be set. Exact meaning is unclear. */ 1185 1186 /* 1187 * Highest 4-bit is a sequence number, which needs to be increased 1188 * every report. Lowest 4-bit is tag and can be zero for now. 1189 */ 1190 bt->seq_tag = (ds->output_seq << 4) | 0x0; 1191 if (++ds->output_seq == 16) 1192 ds->output_seq = 0; 1193 1194 rp->data = buf; 1195 rp->len = sizeof(*bt); 1196 rp->bt = bt; 1197 rp->usb = NULL; 1198 rp->common = &bt->common; 1199 } else { /* USB */ 1200 struct dualsense_output_report_usb *usb = buf; 1201 1202 memset(usb, 0, sizeof(*usb)); 1203 usb->report_id = DS_OUTPUT_REPORT_USB; 1204 1205 rp->data = buf; 1206 rp->len = sizeof(*usb); 1207 rp->bt = NULL; 1208 rp->usb = usb; 1209 rp->common = &usb->common; 1210 } 1211} 1212 1213static inline void dualsense_schedule_work(struct dualsense *ds) 1214{ 1215 unsigned long flags; 1216 1217 spin_lock_irqsave(&ds->base.lock, flags); 1218 if (ds->output_worker_initialized) 1219 schedule_work(&ds->output_worker); 1220 spin_unlock_irqrestore(&ds->base.lock, flags); 1221} 1222 1223/* 1224 * Helper function to send DualSense output reports. Applies a CRC at the end of a report 1225 * for Bluetooth reports. 1226 */ 1227static void dualsense_send_output_report(struct dualsense *ds, 1228 struct dualsense_output_report *report) 1229{ 1230 struct hid_device *hdev = ds->base.hdev; 1231 1232 /* Bluetooth packets need to be signed with a CRC in the last 4 bytes. */ 1233 if (report->bt) { 1234 uint32_t crc; 1235 uint8_t seed = PS_OUTPUT_CRC32_SEED; 1236 1237 crc = crc32_le(0xFFFFFFFF, &seed, 1); 1238 crc = ~crc32_le(crc, report->data, report->len - 4); 1239 1240 report->bt->crc32 = cpu_to_le32(crc); 1241 } 1242 1243 hid_hw_output_report(hdev, report->data, report->len); 1244} 1245 1246static void dualsense_output_worker(struct work_struct *work) 1247{ 1248 struct dualsense *ds = container_of(work, struct dualsense, output_worker); 1249 struct dualsense_output_report report; 1250 struct dualsense_output_report_common *common; 1251 unsigned long flags; 1252 1253 dualsense_init_output_report(ds, &report, ds->output_report_dmabuf); 1254 common = report.common; 1255 1256 spin_lock_irqsave(&ds->base.lock, flags); 1257 1258 if (ds->update_rumble) { 1259 /* Select classic rumble style haptics and enable it. */ 1260 common->valid_flag0 |= DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT; 1261 if (ds->use_vibration_v2) 1262 common->valid_flag2 |= DS_OUTPUT_VALID_FLAG2_COMPATIBLE_VIBRATION2; 1263 else 1264 common->valid_flag0 |= DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION; 1265 common->motor_left = ds->motor_left; 1266 common->motor_right = ds->motor_right; 1267 ds->update_rumble = false; 1268 } 1269 1270 if (ds->update_lightbar) { 1271 common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE; 1272 common->lightbar_red = ds->lightbar_red; 1273 common->lightbar_green = ds->lightbar_green; 1274 common->lightbar_blue = ds->lightbar_blue; 1275 1276 ds->update_lightbar = false; 1277 } 1278 1279 if (ds->update_player_leds) { 1280 common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_PLAYER_INDICATOR_CONTROL_ENABLE; 1281 common->player_leds = ds->player_leds_state; 1282 1283 ds->update_player_leds = false; 1284 } 1285 1286 if (ds->update_mic_mute) { 1287 common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE; 1288 common->mute_button_led = ds->mic_muted; 1289 1290 if (ds->mic_muted) { 1291 /* Disable microphone */ 1292 common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE; 1293 common->power_save_control |= DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE; 1294 } else { 1295 /* Enable microphone */ 1296 common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE; 1297 common->power_save_control &= ~DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE; 1298 } 1299 1300 ds->update_mic_mute = false; 1301 } 1302 1303 spin_unlock_irqrestore(&ds->base.lock, flags); 1304 1305 dualsense_send_output_report(ds, &report); 1306} 1307 1308static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *report, 1309 u8 *data, int size) 1310{ 1311 struct hid_device *hdev = ps_dev->hdev; 1312 struct dualsense *ds = container_of(ps_dev, struct dualsense, base); 1313 struct dualsense_input_report *ds_report; 1314 uint8_t battery_data, battery_capacity, charging_status, value; 1315 int battery_status; 1316 uint32_t sensor_timestamp; 1317 bool btn_mic_state; 1318 unsigned long flags; 1319 int i; 1320 1321 /* 1322 * DualSense in USB uses the full HID report for reportID 1, but 1323 * Bluetooth uses a minimal HID report for reportID 1 and reports 1324 * the full report using reportID 49. 1325 */ 1326 if (hdev->bus == BUS_USB && report->id == DS_INPUT_REPORT_USB && 1327 size == DS_INPUT_REPORT_USB_SIZE) { 1328 ds_report = (struct dualsense_input_report *)&data[1]; 1329 } else if (hdev->bus == BUS_BLUETOOTH && report->id == DS_INPUT_REPORT_BT && 1330 size == DS_INPUT_REPORT_BT_SIZE) { 1331 /* Last 4 bytes of input report contain crc32 */ 1332 uint32_t report_crc = get_unaligned_le32(&data[size - 4]); 1333 1334 if (!ps_check_crc32(PS_INPUT_CRC32_SEED, data, size - 4, report_crc)) { 1335 hid_err(hdev, "DualSense input CRC's check failed\n"); 1336 return -EILSEQ; 1337 } 1338 1339 ds_report = (struct dualsense_input_report *)&data[2]; 1340 } else { 1341 hid_err(hdev, "Unhandled reportID=%d\n", report->id); 1342 return -1; 1343 } 1344 1345 input_report_abs(ds->gamepad, ABS_X, ds_report->x); 1346 input_report_abs(ds->gamepad, ABS_Y, ds_report->y); 1347 input_report_abs(ds->gamepad, ABS_RX, ds_report->rx); 1348 input_report_abs(ds->gamepad, ABS_RY, ds_report->ry); 1349 input_report_abs(ds->gamepad, ABS_Z, ds_report->z); 1350 input_report_abs(ds->gamepad, ABS_RZ, ds_report->rz); 1351 1352 value = ds_report->buttons[0] & DS_BUTTONS0_HAT_SWITCH; 1353 if (value >= ARRAY_SIZE(ps_gamepad_hat_mapping)) 1354 value = 8; /* center */ 1355 input_report_abs(ds->gamepad, ABS_HAT0X, ps_gamepad_hat_mapping[value].x); 1356 input_report_abs(ds->gamepad, ABS_HAT0Y, ps_gamepad_hat_mapping[value].y); 1357 1358 input_report_key(ds->gamepad, BTN_WEST, ds_report->buttons[0] & DS_BUTTONS0_SQUARE); 1359 input_report_key(ds->gamepad, BTN_SOUTH, ds_report->buttons[0] & DS_BUTTONS0_CROSS); 1360 input_report_key(ds->gamepad, BTN_EAST, ds_report->buttons[0] & DS_BUTTONS0_CIRCLE); 1361 input_report_key(ds->gamepad, BTN_NORTH, ds_report->buttons[0] & DS_BUTTONS0_TRIANGLE); 1362 input_report_key(ds->gamepad, BTN_TL, ds_report->buttons[1] & DS_BUTTONS1_L1); 1363 input_report_key(ds->gamepad, BTN_TR, ds_report->buttons[1] & DS_BUTTONS1_R1); 1364 input_report_key(ds->gamepad, BTN_TL2, ds_report->buttons[1] & DS_BUTTONS1_L2); 1365 input_report_key(ds->gamepad, BTN_TR2, ds_report->buttons[1] & DS_BUTTONS1_R2); 1366 input_report_key(ds->gamepad, BTN_SELECT, ds_report->buttons[1] & DS_BUTTONS1_CREATE); 1367 input_report_key(ds->gamepad, BTN_START, ds_report->buttons[1] & DS_BUTTONS1_OPTIONS); 1368 input_report_key(ds->gamepad, BTN_THUMBL, ds_report->buttons[1] & DS_BUTTONS1_L3); 1369 input_report_key(ds->gamepad, BTN_THUMBR, ds_report->buttons[1] & DS_BUTTONS1_R3); 1370 input_report_key(ds->gamepad, BTN_MODE, ds_report->buttons[2] & DS_BUTTONS2_PS_HOME); 1371 input_sync(ds->gamepad); 1372 1373 /* 1374 * The DualSense has an internal microphone, which can be muted through a mute button 1375 * on the device. The driver is expected to read the button state and program the device 1376 * to mute/unmute audio at the hardware level. 1377 */ 1378 btn_mic_state = !!(ds_report->buttons[2] & DS_BUTTONS2_MIC_MUTE); 1379 if (btn_mic_state && !ds->last_btn_mic_state) { 1380 spin_lock_irqsave(&ps_dev->lock, flags); 1381 ds->update_mic_mute = true; 1382 ds->mic_muted = !ds->mic_muted; /* toggle */ 1383 spin_unlock_irqrestore(&ps_dev->lock, flags); 1384 1385 /* Schedule updating of microphone state at hardware level. */ 1386 dualsense_schedule_work(ds); 1387 } 1388 ds->last_btn_mic_state = btn_mic_state; 1389 1390 /* Parse and calibrate gyroscope data. */ 1391 for (i = 0; i < ARRAY_SIZE(ds_report->gyro); i++) { 1392 int raw_data = (short)le16_to_cpu(ds_report->gyro[i]); 1393 int calib_data = mult_frac(ds->gyro_calib_data[i].sens_numer, 1394 raw_data, ds->gyro_calib_data[i].sens_denom); 1395 1396 input_report_abs(ds->sensors, ds->gyro_calib_data[i].abs_code, calib_data); 1397 } 1398 1399 /* Parse and calibrate accelerometer data. */ 1400 for (i = 0; i < ARRAY_SIZE(ds_report->accel); i++) { 1401 int raw_data = (short)le16_to_cpu(ds_report->accel[i]); 1402 int calib_data = mult_frac(ds->accel_calib_data[i].sens_numer, 1403 raw_data - ds->accel_calib_data[i].bias, 1404 ds->accel_calib_data[i].sens_denom); 1405 1406 input_report_abs(ds->sensors, ds->accel_calib_data[i].abs_code, calib_data); 1407 } 1408 1409 /* Convert timestamp (in 0.33us unit) to timestamp_us */ 1410 sensor_timestamp = le32_to_cpu(ds_report->sensor_timestamp); 1411 if (!ds->sensor_timestamp_initialized) { 1412 ds->sensor_timestamp_us = DIV_ROUND_CLOSEST(sensor_timestamp, 3); 1413 ds->sensor_timestamp_initialized = true; 1414 } else { 1415 uint32_t delta; 1416 1417 if (ds->prev_sensor_timestamp > sensor_timestamp) 1418 delta = (U32_MAX - ds->prev_sensor_timestamp + sensor_timestamp + 1); 1419 else 1420 delta = sensor_timestamp - ds->prev_sensor_timestamp; 1421 ds->sensor_timestamp_us += DIV_ROUND_CLOSEST(delta, 3); 1422 } 1423 ds->prev_sensor_timestamp = sensor_timestamp; 1424 input_event(ds->sensors, EV_MSC, MSC_TIMESTAMP, ds->sensor_timestamp_us); 1425 input_sync(ds->sensors); 1426 1427 for (i = 0; i < ARRAY_SIZE(ds_report->points); i++) { 1428 struct dualsense_touch_point *point = &ds_report->points[i]; 1429 bool active = (point->contact & DS_TOUCH_POINT_INACTIVE) ? false : true; 1430 1431 input_mt_slot(ds->touchpad, i); 1432 input_mt_report_slot_state(ds->touchpad, MT_TOOL_FINGER, active); 1433 1434 if (active) { 1435 int x = (point->x_hi << 8) | point->x_lo; 1436 int y = (point->y_hi << 4) | point->y_lo; 1437 1438 input_report_abs(ds->touchpad, ABS_MT_POSITION_X, x); 1439 input_report_abs(ds->touchpad, ABS_MT_POSITION_Y, y); 1440 } 1441 } 1442 input_mt_sync_frame(ds->touchpad); 1443 input_report_key(ds->touchpad, BTN_LEFT, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD); 1444 input_sync(ds->touchpad); 1445 1446 battery_data = ds_report->status & DS_STATUS_BATTERY_CAPACITY; 1447 charging_status = (ds_report->status & DS_STATUS_CHARGING) >> DS_STATUS_CHARGING_SHIFT; 1448 1449 switch (charging_status) { 1450 case 0x0: 1451 /* 1452 * Each unit of battery data corresponds to 10% 1453 * 0 = 0-9%, 1 = 10-19%, .. and 10 = 100% 1454 */ 1455 battery_capacity = min(battery_data * 10 + 5, 100); 1456 battery_status = POWER_SUPPLY_STATUS_DISCHARGING; 1457 break; 1458 case 0x1: 1459 battery_capacity = min(battery_data * 10 + 5, 100); 1460 battery_status = POWER_SUPPLY_STATUS_CHARGING; 1461 break; 1462 case 0x2: 1463 battery_capacity = 100; 1464 battery_status = POWER_SUPPLY_STATUS_FULL; 1465 break; 1466 case 0xa: /* voltage or temperature out of range */ 1467 case 0xb: /* temperature error */ 1468 battery_capacity = 0; 1469 battery_status = POWER_SUPPLY_STATUS_NOT_CHARGING; 1470 break; 1471 case 0xf: /* charging error */ 1472 default: 1473 battery_capacity = 0; 1474 battery_status = POWER_SUPPLY_STATUS_UNKNOWN; 1475 } 1476 1477 spin_lock_irqsave(&ps_dev->lock, flags); 1478 ps_dev->battery_capacity = battery_capacity; 1479 ps_dev->battery_status = battery_status; 1480 spin_unlock_irqrestore(&ps_dev->lock, flags); 1481 1482 return 0; 1483} 1484 1485static int dualsense_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) 1486{ 1487 struct hid_device *hdev = input_get_drvdata(dev); 1488 struct dualsense *ds = hid_get_drvdata(hdev); 1489 unsigned long flags; 1490 1491 if (effect->type != FF_RUMBLE) 1492 return 0; 1493 1494 spin_lock_irqsave(&ds->base.lock, flags); 1495 ds->update_rumble = true; 1496 ds->motor_left = effect->u.rumble.strong_magnitude / 256; 1497 ds->motor_right = effect->u.rumble.weak_magnitude / 256; 1498 spin_unlock_irqrestore(&ds->base.lock, flags); 1499 1500 dualsense_schedule_work(ds); 1501 return 0; 1502} 1503 1504static void dualsense_remove(struct ps_device *ps_dev) 1505{ 1506 struct dualsense *ds = container_of(ps_dev, struct dualsense, base); 1507 unsigned long flags; 1508 1509 spin_lock_irqsave(&ds->base.lock, flags); 1510 ds->output_worker_initialized = false; 1511 spin_unlock_irqrestore(&ds->base.lock, flags); 1512 1513 cancel_work_sync(&ds->output_worker); 1514} 1515 1516static int dualsense_reset_leds(struct dualsense *ds) 1517{ 1518 struct dualsense_output_report report; 1519 uint8_t *buf; 1520 1521 buf = kzalloc(sizeof(struct dualsense_output_report_bt), GFP_KERNEL); 1522 if (!buf) 1523 return -ENOMEM; 1524 1525 dualsense_init_output_report(ds, &report, buf); 1526 /* 1527 * On Bluetooth the DualSense outputs an animation on the lightbar 1528 * during startup and maintains a color afterwards. We need to explicitly 1529 * reconfigure the lightbar before we can do any programming later on. 1530 * In USB the lightbar is not on by default, but redoing the setup there 1531 * doesn't hurt. 1532 */ 1533 report.common->valid_flag2 = DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE; 1534 report.common->lightbar_setup = DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT; /* Fade light out. */ 1535 dualsense_send_output_report(ds, &report); 1536 1537 kfree(buf); 1538 return 0; 1539} 1540 1541static void dualsense_set_lightbar(struct dualsense *ds, uint8_t red, uint8_t green, uint8_t blue) 1542{ 1543 unsigned long flags; 1544 1545 spin_lock_irqsave(&ds->base.lock, flags); 1546 ds->update_lightbar = true; 1547 ds->lightbar_red = red; 1548 ds->lightbar_green = green; 1549 ds->lightbar_blue = blue; 1550 spin_unlock_irqrestore(&ds->base.lock, flags); 1551 1552 dualsense_schedule_work(ds); 1553} 1554 1555static void dualsense_set_player_leds(struct dualsense *ds) 1556{ 1557 /* 1558 * The DualSense controller has a row of 5 LEDs used for player ids. 1559 * Behavior on the PlayStation 5 console is to center the player id 1560 * across the LEDs, so e.g. player 1 would be "--x--" with x being 'on'. 1561 * Follow a similar mapping here. 1562 */ 1563 static const int player_ids[5] = { 1564 BIT(2), 1565 BIT(3) | BIT(1), 1566 BIT(4) | BIT(2) | BIT(0), 1567 BIT(4) | BIT(3) | BIT(1) | BIT(0), 1568 BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0) 1569 }; 1570 1571 uint8_t player_id = ds->base.player_id % ARRAY_SIZE(player_ids); 1572 1573 ds->update_player_leds = true; 1574 ds->player_leds_state = player_ids[player_id]; 1575 dualsense_schedule_work(ds); 1576} 1577 1578static struct ps_device *dualsense_create(struct hid_device *hdev) 1579{ 1580 struct dualsense *ds; 1581 struct ps_device *ps_dev; 1582 uint8_t max_output_report_size; 1583 int i, ret; 1584 1585 static const struct ps_led_info player_leds_info[] = { 1586 { LED_FUNCTION_PLAYER1, "white", 1, dualsense_player_led_get_brightness, 1587 dualsense_player_led_set_brightness }, 1588 { LED_FUNCTION_PLAYER2, "white", 1, dualsense_player_led_get_brightness, 1589 dualsense_player_led_set_brightness }, 1590 { LED_FUNCTION_PLAYER3, "white", 1, dualsense_player_led_get_brightness, 1591 dualsense_player_led_set_brightness }, 1592 { LED_FUNCTION_PLAYER4, "white", 1, dualsense_player_led_get_brightness, 1593 dualsense_player_led_set_brightness }, 1594 { LED_FUNCTION_PLAYER5, "white", 1, dualsense_player_led_get_brightness, 1595 dualsense_player_led_set_brightness } 1596 }; 1597 1598 ds = devm_kzalloc(&hdev->dev, sizeof(*ds), GFP_KERNEL); 1599 if (!ds) 1600 return ERR_PTR(-ENOMEM); 1601 1602 /* 1603 * Patch version to allow userspace to distinguish between 1604 * hid-generic vs hid-playstation axis and button mapping. 1605 */ 1606 hdev->version |= HID_PLAYSTATION_VERSION_PATCH; 1607 1608 ps_dev = &ds->base; 1609 ps_dev->hdev = hdev; 1610 spin_lock_init(&ps_dev->lock); 1611 ps_dev->battery_capacity = 100; /* initial value until parse_report. */ 1612 ps_dev->battery_status = POWER_SUPPLY_STATUS_UNKNOWN; 1613 ps_dev->parse_report = dualsense_parse_report; 1614 ps_dev->remove = dualsense_remove; 1615 INIT_WORK(&ds->output_worker, dualsense_output_worker); 1616 ds->output_worker_initialized = true; 1617 hid_set_drvdata(hdev, ds); 1618 1619 max_output_report_size = sizeof(struct dualsense_output_report_bt); 1620 ds->output_report_dmabuf = devm_kzalloc(&hdev->dev, max_output_report_size, GFP_KERNEL); 1621 if (!ds->output_report_dmabuf) 1622 return ERR_PTR(-ENOMEM); 1623 1624 ret = dualsense_get_mac_address(ds); 1625 if (ret) { 1626 hid_err(hdev, "Failed to get MAC address from DualSense\n"); 1627 return ERR_PTR(ret); 1628 } 1629 snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds->base.mac_address); 1630 1631 ret = dualsense_get_firmware_info(ds); 1632 if (ret) { 1633 hid_err(hdev, "Failed to get firmware info from DualSense\n"); 1634 return ERR_PTR(ret); 1635 } 1636 1637 /* Original DualSense firmware simulated classic controller rumble through 1638 * its new haptics hardware. It felt different from classic rumble users 1639 * were used to. Since then new firmwares were introduced to change behavior 1640 * and make this new 'v2' behavior default on PlayStation and other platforms. 1641 * The original DualSense requires a new enough firmware as bundled with PS5 1642 * software released in 2021. DualSense edge supports it out of the box. 1643 * Both devices also support the old mode, but it is not really used. 1644 */ 1645 if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER) { 1646 /* Feature version 2.21 introduced new vibration method. */ 1647 ds->use_vibration_v2 = ds->update_version >= DS_FEATURE_VERSION(2, 21); 1648 } else if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) { 1649 ds->use_vibration_v2 = true; 1650 } 1651 1652 ret = ps_devices_list_add(ps_dev); 1653 if (ret) 1654 return ERR_PTR(ret); 1655 1656 ret = dualsense_get_calibration_data(ds); 1657 if (ret) { 1658 hid_err(hdev, "Failed to get calibration data from DualSense\n"); 1659 goto err; 1660 } 1661 1662 ds->gamepad = ps_gamepad_create(hdev, dualsense_play_effect); 1663 if (IS_ERR(ds->gamepad)) { 1664 ret = PTR_ERR(ds->gamepad); 1665 goto err; 1666 } 1667 /* Use gamepad input device name as primary device name for e.g. LEDs */ 1668 ps_dev->input_dev_name = dev_name(&ds->gamepad->dev); 1669 1670 ds->sensors = ps_sensors_create(hdev, DS_ACC_RANGE, DS_ACC_RES_PER_G, 1671 DS_GYRO_RANGE, DS_GYRO_RES_PER_DEG_S); 1672 if (IS_ERR(ds->sensors)) { 1673 ret = PTR_ERR(ds->sensors); 1674 goto err; 1675 } 1676 1677 ds->touchpad = ps_touchpad_create(hdev, DS_TOUCHPAD_WIDTH, DS_TOUCHPAD_HEIGHT, 2); 1678 if (IS_ERR(ds->touchpad)) { 1679 ret = PTR_ERR(ds->touchpad); 1680 goto err; 1681 } 1682 1683 ret = ps_device_register_battery(ps_dev); 1684 if (ret) 1685 goto err; 1686 1687 /* 1688 * The hardware may have control over the LEDs (e.g. in Bluetooth on startup). 1689 * Reset the LEDs (lightbar, mute, player leds), so we can control them 1690 * from software. 1691 */ 1692 ret = dualsense_reset_leds(ds); 1693 if (ret) 1694 goto err; 1695 1696 ret = ps_lightbar_register(ps_dev, &ds->lightbar, dualsense_lightbar_set_brightness); 1697 if (ret) 1698 goto err; 1699 1700 /* Set default lightbar color. */ 1701 dualsense_set_lightbar(ds, 0, 0, 128); /* blue */ 1702 1703 for (i = 0; i < ARRAY_SIZE(player_leds_info); i++) { 1704 const struct ps_led_info *led_info = &player_leds_info[i]; 1705 1706 ret = ps_led_register(ps_dev, &ds->player_leds[i], led_info); 1707 if (ret < 0) 1708 goto err; 1709 } 1710 1711 ret = ps_device_set_player_id(ps_dev); 1712 if (ret) { 1713 hid_err(hdev, "Failed to assign player id for DualSense: %d\n", ret); 1714 goto err; 1715 } 1716 1717 /* Set player LEDs to our player id. */ 1718 dualsense_set_player_leds(ds); 1719 1720 /* 1721 * Reporting hardware and firmware is important as there are frequent updates, which 1722 * can change behavior. 1723 */ 1724 hid_info(hdev, "Registered DualSense controller hw_version=0x%08x fw_version=0x%08x\n", 1725 ds->base.hw_version, ds->base.fw_version); 1726 1727 return &ds->base; 1728 1729err: 1730 ps_devices_list_remove(ps_dev); 1731 return ERR_PTR(ret); 1732} 1733 1734static void dualshock4_dongle_calibration_work(struct work_struct *work) 1735{ 1736 struct dualshock4 *ds4 = container_of(work, struct dualshock4, dongle_hotplug_worker); 1737 unsigned long flags; 1738 enum dualshock4_dongle_state dongle_state; 1739 int ret; 1740 1741 ret = dualshock4_get_calibration_data(ds4); 1742 if (ret < 0) { 1743 /* This call is very unlikely to fail for the dongle. When it 1744 * fails we are probably in a very bad state, so mark the 1745 * dongle as disabled. We will re-enable the dongle if a new 1746 * DS4 hotplug is detect from sony_raw_event as any issues 1747 * are likely resolved then (the dongle is quite stupid). 1748 */ 1749 hid_err(ds4->base.hdev, "DualShock 4 USB dongle: calibration failed, disabling device\n"); 1750 dongle_state = DONGLE_DISABLED; 1751 } else { 1752 hid_info(ds4->base.hdev, "DualShock 4 USB dongle: calibration completed\n"); 1753 dongle_state = DONGLE_CONNECTED; 1754 } 1755 1756 spin_lock_irqsave(&ds4->base.lock, flags); 1757 ds4->dongle_state = dongle_state; 1758 spin_unlock_irqrestore(&ds4->base.lock, flags); 1759} 1760 1761static int dualshock4_get_calibration_data(struct dualshock4 *ds4) 1762{ 1763 struct hid_device *hdev = ds4->base.hdev; 1764 short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus; 1765 short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus; 1766 short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus; 1767 short gyro_speed_plus, gyro_speed_minus; 1768 short acc_x_plus, acc_x_minus; 1769 short acc_y_plus, acc_y_minus; 1770 short acc_z_plus, acc_z_minus; 1771 int speed_2x; 1772 int range_2g; 1773 int ret = 0; 1774 int i; 1775 uint8_t *buf; 1776 1777 if (ds4->base.hdev->bus == BUS_USB) { 1778 int retries; 1779 1780 buf = kzalloc(DS4_FEATURE_REPORT_CALIBRATION_SIZE, GFP_KERNEL); 1781 if (!buf) 1782 return -ENOMEM; 1783 1784 /* We should normally receive the feature report data we asked 1785 * for, but hidraw applications such as Steam can issue feature 1786 * reports as well. In particular for Dongle reconnects, Steam 1787 * and this function are competing resulting in often receiving 1788 * data for a different HID report, so retry a few times. 1789 */ 1790 for (retries = 0; retries < 3; retries++) { 1791 ret = ps_get_report(hdev, DS4_FEATURE_REPORT_CALIBRATION, buf, 1792 DS4_FEATURE_REPORT_CALIBRATION_SIZE, true); 1793 if (ret) { 1794 if (retries < 2) { 1795 hid_warn(hdev, "Retrying DualShock 4 get calibration report (0x02) request\n"); 1796 continue; 1797 } 1798 1799 hid_err(hdev, "Failed to retrieve DualShock4 calibration info: %d\n", ret); 1800 ret = -EILSEQ; 1801 goto err_free; 1802 } else { 1803 break; 1804 } 1805 } 1806 } else { /* Bluetooth */ 1807 buf = kzalloc(DS4_FEATURE_REPORT_CALIBRATION_BT_SIZE, GFP_KERNEL); 1808 if (!buf) 1809 return -ENOMEM; 1810 1811 ret = ps_get_report(hdev, DS4_FEATURE_REPORT_CALIBRATION_BT, buf, 1812 DS4_FEATURE_REPORT_CALIBRATION_BT_SIZE, true); 1813 if (ret) { 1814 hid_err(hdev, "Failed to retrieve DualShock4 calibration info: %d\n", ret); 1815 goto err_free; 1816 } 1817 } 1818 1819 gyro_pitch_bias = get_unaligned_le16(&buf[1]); 1820 gyro_yaw_bias = get_unaligned_le16(&buf[3]); 1821 gyro_roll_bias = get_unaligned_le16(&buf[5]); 1822 if (ds4->base.hdev->bus == BUS_USB) { 1823 gyro_pitch_plus = get_unaligned_le16(&buf[7]); 1824 gyro_pitch_minus = get_unaligned_le16(&buf[9]); 1825 gyro_yaw_plus = get_unaligned_le16(&buf[11]); 1826 gyro_yaw_minus = get_unaligned_le16(&buf[13]); 1827 gyro_roll_plus = get_unaligned_le16(&buf[15]); 1828 gyro_roll_minus = get_unaligned_le16(&buf[17]); 1829 } else { 1830 /* BT + Dongle */ 1831 gyro_pitch_plus = get_unaligned_le16(&buf[7]); 1832 gyro_yaw_plus = get_unaligned_le16(&buf[9]); 1833 gyro_roll_plus = get_unaligned_le16(&buf[11]); 1834 gyro_pitch_minus = get_unaligned_le16(&buf[13]); 1835 gyro_yaw_minus = get_unaligned_le16(&buf[15]); 1836 gyro_roll_minus = get_unaligned_le16(&buf[17]); 1837 } 1838 gyro_speed_plus = get_unaligned_le16(&buf[19]); 1839 gyro_speed_minus = get_unaligned_le16(&buf[21]); 1840 acc_x_plus = get_unaligned_le16(&buf[23]); 1841 acc_x_minus = get_unaligned_le16(&buf[25]); 1842 acc_y_plus = get_unaligned_le16(&buf[27]); 1843 acc_y_minus = get_unaligned_le16(&buf[29]); 1844 acc_z_plus = get_unaligned_le16(&buf[31]); 1845 acc_z_minus = get_unaligned_le16(&buf[33]); 1846 1847 /* 1848 * Set gyroscope calibration and normalization parameters. 1849 * Data values will be normalized to 1/DS4_GYRO_RES_PER_DEG_S degree/s. 1850 */ 1851 speed_2x = (gyro_speed_plus + gyro_speed_minus); 1852 ds4->gyro_calib_data[0].abs_code = ABS_RX; 1853 ds4->gyro_calib_data[0].bias = 0; 1854 ds4->gyro_calib_data[0].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S; 1855 ds4->gyro_calib_data[0].sens_denom = abs(gyro_pitch_plus - gyro_pitch_bias) + 1856 abs(gyro_pitch_minus - gyro_pitch_bias); 1857 1858 ds4->gyro_calib_data[1].abs_code = ABS_RY; 1859 ds4->gyro_calib_data[1].bias = 0; 1860 ds4->gyro_calib_data[1].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S; 1861 ds4->gyro_calib_data[1].sens_denom = abs(gyro_yaw_plus - gyro_yaw_bias) + 1862 abs(gyro_yaw_minus - gyro_yaw_bias); 1863 1864 ds4->gyro_calib_data[2].abs_code = ABS_RZ; 1865 ds4->gyro_calib_data[2].bias = 0; 1866 ds4->gyro_calib_data[2].sens_numer = speed_2x*DS4_GYRO_RES_PER_DEG_S; 1867 ds4->gyro_calib_data[2].sens_denom = abs(gyro_roll_plus - gyro_roll_bias) + 1868 abs(gyro_roll_minus - gyro_roll_bias); 1869 1870 /* 1871 * Sanity check gyro calibration data. This is needed to prevent crashes 1872 * during report handling of virtual, clone or broken devices not implementing 1873 * calibration data properly. 1874 */ 1875 for (i = 0; i < ARRAY_SIZE(ds4->gyro_calib_data); i++) { 1876 if (ds4->gyro_calib_data[i].sens_denom == 0) { 1877 hid_warn(hdev, "Invalid gyro calibration data for axis (%d), disabling calibration.", 1878 ds4->gyro_calib_data[i].abs_code); 1879 ds4->gyro_calib_data[i].bias = 0; 1880 ds4->gyro_calib_data[i].sens_numer = DS4_GYRO_RANGE; 1881 ds4->gyro_calib_data[i].sens_denom = S16_MAX; 1882 } 1883 } 1884 1885 /* 1886 * Set accelerometer calibration and normalization parameters. 1887 * Data values will be normalized to 1/DS4_ACC_RES_PER_G g. 1888 */ 1889 range_2g = acc_x_plus - acc_x_minus; 1890 ds4->accel_calib_data[0].abs_code = ABS_X; 1891 ds4->accel_calib_data[0].bias = acc_x_plus - range_2g / 2; 1892 ds4->accel_calib_data[0].sens_numer = 2*DS4_ACC_RES_PER_G; 1893 ds4->accel_calib_data[0].sens_denom = range_2g; 1894 1895 range_2g = acc_y_plus - acc_y_minus; 1896 ds4->accel_calib_data[1].abs_code = ABS_Y; 1897 ds4->accel_calib_data[1].bias = acc_y_plus - range_2g / 2; 1898 ds4->accel_calib_data[1].sens_numer = 2*DS4_ACC_RES_PER_G; 1899 ds4->accel_calib_data[1].sens_denom = range_2g; 1900 1901 range_2g = acc_z_plus - acc_z_minus; 1902 ds4->accel_calib_data[2].abs_code = ABS_Z; 1903 ds4->accel_calib_data[2].bias = acc_z_plus - range_2g / 2; 1904 ds4->accel_calib_data[2].sens_numer = 2*DS4_ACC_RES_PER_G; 1905 ds4->accel_calib_data[2].sens_denom = range_2g; 1906 1907 /* 1908 * Sanity check accelerometer calibration data. This is needed to prevent crashes 1909 * during report handling of virtual, clone or broken devices not implementing calibration 1910 * data properly. 1911 */ 1912 for (i = 0; i < ARRAY_SIZE(ds4->accel_calib_data); i++) { 1913 if (ds4->accel_calib_data[i].sens_denom == 0) { 1914 hid_warn(hdev, "Invalid accelerometer calibration data for axis (%d), disabling calibration.", 1915 ds4->accel_calib_data[i].abs_code); 1916 ds4->accel_calib_data[i].bias = 0; 1917 ds4->accel_calib_data[i].sens_numer = DS4_ACC_RANGE; 1918 ds4->accel_calib_data[i].sens_denom = S16_MAX; 1919 } 1920 } 1921 1922err_free: 1923 kfree(buf); 1924 return ret; 1925} 1926 1927static int dualshock4_get_firmware_info(struct dualshock4 *ds4) 1928{ 1929 uint8_t *buf; 1930 int ret; 1931 1932 buf = kzalloc(DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL); 1933 if (!buf) 1934 return -ENOMEM; 1935 1936 /* Note USB and BT support the same feature report, but this report 1937 * lacks CRC support, so must be disabled in ps_get_report. 1938 */ 1939 ret = ps_get_report(ds4->base.hdev, DS4_FEATURE_REPORT_FIRMWARE_INFO, buf, 1940 DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE, false); 1941 if (ret) { 1942 hid_err(ds4->base.hdev, "Failed to retrieve DualShock4 firmware info: %d\n", ret); 1943 goto err_free; 1944 } 1945 1946 ds4->base.hw_version = get_unaligned_le16(&buf[35]); 1947 ds4->base.fw_version = get_unaligned_le16(&buf[41]); 1948 1949err_free: 1950 kfree(buf); 1951 return ret; 1952} 1953 1954static int dualshock4_get_mac_address(struct dualshock4 *ds4) 1955{ 1956 struct hid_device *hdev = ds4->base.hdev; 1957 uint8_t *buf; 1958 int ret = 0; 1959 1960 if (hdev->bus == BUS_USB) { 1961 buf = kzalloc(DS4_FEATURE_REPORT_PAIRING_INFO_SIZE, GFP_KERNEL); 1962 if (!buf) 1963 return -ENOMEM; 1964 1965 ret = ps_get_report(hdev, DS4_FEATURE_REPORT_PAIRING_INFO, buf, 1966 DS4_FEATURE_REPORT_PAIRING_INFO_SIZE, false); 1967 if (ret) { 1968 hid_err(hdev, "Failed to retrieve DualShock4 pairing info: %d\n", ret); 1969 goto err_free; 1970 } 1971 1972 memcpy(ds4->base.mac_address, &buf[1], sizeof(ds4->base.mac_address)); 1973 } else { 1974 /* Rely on HIDP for Bluetooth */ 1975 if (strlen(hdev->uniq) != 17) 1976 return -EINVAL; 1977 1978 ret = sscanf(hdev->uniq, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", 1979 &ds4->base.mac_address[5], &ds4->base.mac_address[4], 1980 &ds4->base.mac_address[3], &ds4->base.mac_address[2], 1981 &ds4->base.mac_address[1], &ds4->base.mac_address[0]); 1982 1983 if (ret != sizeof(ds4->base.mac_address)) 1984 return -EINVAL; 1985 1986 return 0; 1987 } 1988 1989err_free: 1990 kfree(buf); 1991 return ret; 1992} 1993 1994static enum led_brightness dualshock4_led_get_brightness(struct led_classdev *led) 1995{ 1996 struct hid_device *hdev = to_hid_device(led->dev->parent); 1997 struct dualshock4 *ds4 = hid_get_drvdata(hdev); 1998 unsigned int led_index; 1999 2000 led_index = led - ds4->lightbar_leds; 2001 switch (led_index) { 2002 case 0: 2003 return ds4->lightbar_red; 2004 case 1: 2005 return ds4->lightbar_green; 2006 case 2: 2007 return ds4->lightbar_blue; 2008 case 3: 2009 return ds4->lightbar_enabled; 2010 } 2011 2012 return -1; 2013} 2014 2015static int dualshock4_led_set_blink(struct led_classdev *led, unsigned long *delay_on, 2016 unsigned long *delay_off) 2017{ 2018 struct hid_device *hdev = to_hid_device(led->dev->parent); 2019 struct dualshock4 *ds4 = hid_get_drvdata(hdev); 2020 unsigned long flags; 2021 2022 spin_lock_irqsave(&ds4->base.lock, flags); 2023 2024 if (!*delay_on && !*delay_off) { 2025 /* Default to 1 Hz (50 centiseconds on, 50 centiseconds off). */ 2026 ds4->lightbar_blink_on = 50; 2027 ds4->lightbar_blink_off = 50; 2028 } else { 2029 /* Blink delays in centiseconds. */ 2030 ds4->lightbar_blink_on = min_t(unsigned long, *delay_on/10, DS4_LIGHTBAR_MAX_BLINK); 2031 ds4->lightbar_blink_off = min_t(unsigned long, *delay_off/10, DS4_LIGHTBAR_MAX_BLINK); 2032 } 2033 2034 ds4->update_lightbar_blink = true; 2035 2036 spin_unlock_irqrestore(&ds4->base.lock, flags); 2037 2038 dualshock4_schedule_work(ds4); 2039 2040 *delay_on = ds4->lightbar_blink_on; 2041 *delay_off = ds4->lightbar_blink_off; 2042 2043 return 0; 2044} 2045 2046static int dualshock4_led_set_brightness(struct led_classdev *led, enum led_brightness value) 2047{ 2048 struct hid_device *hdev = to_hid_device(led->dev->parent); 2049 struct dualshock4 *ds4 = hid_get_drvdata(hdev); 2050 unsigned long flags; 2051 unsigned int led_index; 2052 2053 spin_lock_irqsave(&ds4->base.lock, flags); 2054 2055 led_index = led - ds4->lightbar_leds; 2056 switch (led_index) { 2057 case 0: 2058 ds4->lightbar_red = value; 2059 break; 2060 case 1: 2061 ds4->lightbar_green = value; 2062 break; 2063 case 2: 2064 ds4->lightbar_blue = value; 2065 break; 2066 case 3: 2067 ds4->lightbar_enabled = !!value; 2068 } 2069 2070 ds4->update_lightbar = true; 2071 2072 spin_unlock_irqrestore(&ds4->base.lock, flags); 2073 2074 dualshock4_schedule_work(ds4); 2075 2076 return 0; 2077} 2078 2079static void dualshock4_init_output_report(struct dualshock4 *ds4, 2080 struct dualshock4_output_report *rp, void *buf) 2081{ 2082 struct hid_device *hdev = ds4->base.hdev; 2083 2084 if (hdev->bus == BUS_BLUETOOTH) { 2085 struct dualshock4_output_report_bt *bt = buf; 2086 2087 memset(bt, 0, sizeof(*bt)); 2088 bt->report_id = DS4_OUTPUT_REPORT_BT; 2089 2090 rp->data = buf; 2091 rp->len = sizeof(*bt); 2092 rp->bt = bt; 2093 rp->usb = NULL; 2094 rp->common = &bt->common; 2095 } else { /* USB */ 2096 struct dualshock4_output_report_usb *usb = buf; 2097 2098 memset(usb, 0, sizeof(*usb)); 2099 usb->report_id = DS4_OUTPUT_REPORT_USB; 2100 2101 rp->data = buf; 2102 rp->len = sizeof(*usb); 2103 rp->bt = NULL; 2104 rp->usb = usb; 2105 rp->common = &usb->common; 2106 } 2107} 2108 2109static void dualshock4_output_worker(struct work_struct *work) 2110{ 2111 struct dualshock4 *ds4 = container_of(work, struct dualshock4, output_worker); 2112 struct dualshock4_output_report report; 2113 struct dualshock4_output_report_common *common; 2114 unsigned long flags; 2115 2116 dualshock4_init_output_report(ds4, &report, ds4->output_report_dmabuf); 2117 common = report.common; 2118 2119 spin_lock_irqsave(&ds4->base.lock, flags); 2120 2121 if (ds4->update_rumble) { 2122 /* Select classic rumble style haptics and enable it. */ 2123 common->valid_flag0 |= DS4_OUTPUT_VALID_FLAG0_MOTOR; 2124 common->motor_left = ds4->motor_left; 2125 common->motor_right = ds4->motor_right; 2126 ds4->update_rumble = false; 2127 } 2128 2129 if (ds4->update_lightbar) { 2130 common->valid_flag0 |= DS4_OUTPUT_VALID_FLAG0_LED; 2131 /* Comptabile behavior with hid-sony, which used a dummy global LED to 2132 * allow enabling/disabling the lightbar. The global LED maps to 2133 * lightbar_enabled. 2134 */ 2135 common->lightbar_red = ds4->lightbar_enabled ? ds4->lightbar_red : 0; 2136 common->lightbar_green = ds4->lightbar_enabled ? ds4->lightbar_green : 0; 2137 common->lightbar_blue = ds4->lightbar_enabled ? ds4->lightbar_blue : 0; 2138 ds4->update_lightbar = false; 2139 } 2140 2141 if (ds4->update_lightbar_blink) { 2142 common->valid_flag0 |= DS4_OUTPUT_VALID_FLAG0_LED_BLINK; 2143 common->lightbar_blink_on = ds4->lightbar_blink_on; 2144 common->lightbar_blink_off = ds4->lightbar_blink_off; 2145 ds4->update_lightbar_blink = false; 2146 } 2147 2148 spin_unlock_irqrestore(&ds4->base.lock, flags); 2149 2150 /* Bluetooth packets need additional flags as well as a CRC in the last 4 bytes. */ 2151 if (report.bt) { 2152 uint32_t crc; 2153 uint8_t seed = PS_OUTPUT_CRC32_SEED; 2154 2155 /* Hardware control flags need to set to let the device know 2156 * there is HID data as well as CRC. 2157 */ 2158 report.bt->hw_control = DS4_OUTPUT_HWCTL_HID | DS4_OUTPUT_HWCTL_CRC32; 2159 2160 if (ds4->update_bt_poll_interval) { 2161 report.bt->hw_control |= ds4->bt_poll_interval; 2162 ds4->update_bt_poll_interval = false; 2163 } 2164 2165 crc = crc32_le(0xFFFFFFFF, &seed, 1); 2166 crc = ~crc32_le(crc, report.data, report.len - 4); 2167 2168 report.bt->crc32 = cpu_to_le32(crc); 2169 } 2170 2171 hid_hw_output_report(ds4->base.hdev, report.data, report.len); 2172} 2173 2174static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *report, 2175 u8 *data, int size) 2176{ 2177 struct hid_device *hdev = ps_dev->hdev; 2178 struct dualshock4 *ds4 = container_of(ps_dev, struct dualshock4, base); 2179 struct dualshock4_input_report_common *ds4_report; 2180 struct dualshock4_touch_report *touch_reports; 2181 uint8_t battery_capacity, num_touch_reports, value; 2182 int battery_status, i, j; 2183 uint16_t sensor_timestamp; 2184 unsigned long flags; 2185 2186 /* 2187 * DualShock4 in USB uses the full HID report for reportID 1, but 2188 * Bluetooth uses a minimal HID report for reportID 1 and reports 2189 * the full report using reportID 17. 2190 */ 2191 if (hdev->bus == BUS_USB && report->id == DS4_INPUT_REPORT_USB && 2192 size == DS4_INPUT_REPORT_USB_SIZE) { 2193 struct dualshock4_input_report_usb *usb = (struct dualshock4_input_report_usb *)data; 2194 2195 ds4_report = &usb->common; 2196 num_touch_reports = usb->num_touch_reports; 2197 touch_reports = usb->touch_reports; 2198 } else if (hdev->bus == BUS_BLUETOOTH && report->id == DS4_INPUT_REPORT_BT && 2199 size == DS4_INPUT_REPORT_BT_SIZE) { 2200 struct dualshock4_input_report_bt *bt = (struct dualshock4_input_report_bt *)data; 2201 uint32_t report_crc = get_unaligned_le32(&bt->crc32); 2202 2203 /* Last 4 bytes of input report contains CRC. */ 2204 if (!ps_check_crc32(PS_INPUT_CRC32_SEED, data, size - 4, report_crc)) { 2205 hid_err(hdev, "DualShock4 input CRC's check failed\n"); 2206 return -EILSEQ; 2207 } 2208 2209 ds4_report = &bt->common; 2210 num_touch_reports = bt->num_touch_reports; 2211 touch_reports = bt->touch_reports; 2212 } else { 2213 hid_err(hdev, "Unhandled reportID=%d\n", report->id); 2214 return -1; 2215 } 2216 2217 input_report_abs(ds4->gamepad, ABS_X, ds4_report->x); 2218 input_report_abs(ds4->gamepad, ABS_Y, ds4_report->y); 2219 input_report_abs(ds4->gamepad, ABS_RX, ds4_report->rx); 2220 input_report_abs(ds4->gamepad, ABS_RY, ds4_report->ry); 2221 input_report_abs(ds4->gamepad, ABS_Z, ds4_report->z); 2222 input_report_abs(ds4->gamepad, ABS_RZ, ds4_report->rz); 2223 2224 value = ds4_report->buttons[0] & DS_BUTTONS0_HAT_SWITCH; 2225 if (value >= ARRAY_SIZE(ps_gamepad_hat_mapping)) 2226 value = 8; /* center */ 2227 input_report_abs(ds4->gamepad, ABS_HAT0X, ps_gamepad_hat_mapping[value].x); 2228 input_report_abs(ds4->gamepad, ABS_HAT0Y, ps_gamepad_hat_mapping[value].y); 2229 2230 input_report_key(ds4->gamepad, BTN_WEST, ds4_report->buttons[0] & DS_BUTTONS0_SQUARE); 2231 input_report_key(ds4->gamepad, BTN_SOUTH, ds4_report->buttons[0] & DS_BUTTONS0_CROSS); 2232 input_report_key(ds4->gamepad, BTN_EAST, ds4_report->buttons[0] & DS_BUTTONS0_CIRCLE); 2233 input_report_key(ds4->gamepad, BTN_NORTH, ds4_report->buttons[0] & DS_BUTTONS0_TRIANGLE); 2234 input_report_key(ds4->gamepad, BTN_TL, ds4_report->buttons[1] & DS_BUTTONS1_L1); 2235 input_report_key(ds4->gamepad, BTN_TR, ds4_report->buttons[1] & DS_BUTTONS1_R1); 2236 input_report_key(ds4->gamepad, BTN_TL2, ds4_report->buttons[1] & DS_BUTTONS1_L2); 2237 input_report_key(ds4->gamepad, BTN_TR2, ds4_report->buttons[1] & DS_BUTTONS1_R2); 2238 input_report_key(ds4->gamepad, BTN_SELECT, ds4_report->buttons[1] & DS_BUTTONS1_CREATE); 2239 input_report_key(ds4->gamepad, BTN_START, ds4_report->buttons[1] & DS_BUTTONS1_OPTIONS); 2240 input_report_key(ds4->gamepad, BTN_THUMBL, ds4_report->buttons[1] & DS_BUTTONS1_L3); 2241 input_report_key(ds4->gamepad, BTN_THUMBR, ds4_report->buttons[1] & DS_BUTTONS1_R3); 2242 input_report_key(ds4->gamepad, BTN_MODE, ds4_report->buttons[2] & DS_BUTTONS2_PS_HOME); 2243 input_sync(ds4->gamepad); 2244 2245 /* Parse and calibrate gyroscope data. */ 2246 for (i = 0; i < ARRAY_SIZE(ds4_report->gyro); i++) { 2247 int raw_data = (short)le16_to_cpu(ds4_report->gyro[i]); 2248 int calib_data = mult_frac(ds4->gyro_calib_data[i].sens_numer, 2249 raw_data, ds4->gyro_calib_data[i].sens_denom); 2250 2251 input_report_abs(ds4->sensors, ds4->gyro_calib_data[i].abs_code, calib_data); 2252 } 2253 2254 /* Parse and calibrate accelerometer data. */ 2255 for (i = 0; i < ARRAY_SIZE(ds4_report->accel); i++) { 2256 int raw_data = (short)le16_to_cpu(ds4_report->accel[i]); 2257 int calib_data = mult_frac(ds4->accel_calib_data[i].sens_numer, 2258 raw_data - ds4->accel_calib_data[i].bias, 2259 ds4->accel_calib_data[i].sens_denom); 2260 2261 input_report_abs(ds4->sensors, ds4->accel_calib_data[i].abs_code, calib_data); 2262 } 2263 2264 /* Convert timestamp (in 5.33us unit) to timestamp_us */ 2265 sensor_timestamp = le16_to_cpu(ds4_report->sensor_timestamp); 2266 if (!ds4->sensor_timestamp_initialized) { 2267 ds4->sensor_timestamp_us = DIV_ROUND_CLOSEST(sensor_timestamp*16, 3); 2268 ds4->sensor_timestamp_initialized = true; 2269 } else { 2270 uint16_t delta; 2271 2272 if (ds4->prev_sensor_timestamp > sensor_timestamp) 2273 delta = (U16_MAX - ds4->prev_sensor_timestamp + sensor_timestamp + 1); 2274 else 2275 delta = sensor_timestamp - ds4->prev_sensor_timestamp; 2276 ds4->sensor_timestamp_us += DIV_ROUND_CLOSEST(delta*16, 3); 2277 } 2278 ds4->prev_sensor_timestamp = sensor_timestamp; 2279 input_event(ds4->sensors, EV_MSC, MSC_TIMESTAMP, ds4->sensor_timestamp_us); 2280 input_sync(ds4->sensors); 2281 2282 for (i = 0; i < num_touch_reports; i++) { 2283 struct dualshock4_touch_report *touch_report = &touch_reports[i]; 2284 2285 for (j = 0; j < ARRAY_SIZE(touch_report->points); j++) { 2286 struct dualshock4_touch_point *point = &touch_report->points[j]; 2287 bool active = (point->contact & DS4_TOUCH_POINT_INACTIVE) ? false : true; 2288 2289 input_mt_slot(ds4->touchpad, j); 2290 input_mt_report_slot_state(ds4->touchpad, MT_TOOL_FINGER, active); 2291 2292 if (active) { 2293 int x = (point->x_hi << 8) | point->x_lo; 2294 int y = (point->y_hi << 4) | point->y_lo; 2295 2296 input_report_abs(ds4->touchpad, ABS_MT_POSITION_X, x); 2297 input_report_abs(ds4->touchpad, ABS_MT_POSITION_Y, y); 2298 } 2299 } 2300 input_mt_sync_frame(ds4->touchpad); 2301 input_sync(ds4->touchpad); 2302 } 2303 input_report_key(ds4->touchpad, BTN_LEFT, ds4_report->buttons[2] & DS_BUTTONS2_TOUCHPAD); 2304 2305 /* 2306 * Interpretation of the battery_capacity data depends on the cable state. 2307 * When no cable is connected (bit4 is 0): 2308 * - 0:10: percentage in units of 10%. 2309 * When a cable is plugged in: 2310 * - 0-10: percentage in units of 10%. 2311 * - 11: battery is full 2312 * - 14: not charging due to Voltage or temperature error 2313 * - 15: charge error 2314 */ 2315 if (ds4_report->status[0] & DS4_STATUS0_CABLE_STATE) { 2316 uint8_t battery_data = ds4_report->status[0] & DS4_STATUS0_BATTERY_CAPACITY; 2317 2318 if (battery_data < 10) { 2319 /* Take the mid-point for each battery capacity value, 2320 * because on the hardware side 0 = 0-9%, 1=10-19%, etc. 2321 * This matches official platform behavior, which does 2322 * the same. 2323 */ 2324 battery_capacity = battery_data * 10 + 5; 2325 battery_status = POWER_SUPPLY_STATUS_CHARGING; 2326 } else if (battery_data == 10) { 2327 battery_capacity = 100; 2328 battery_status = POWER_SUPPLY_STATUS_CHARGING; 2329 } else if (battery_data == DS4_BATTERY_STATUS_FULL) { 2330 battery_capacity = 100; 2331 battery_status = POWER_SUPPLY_STATUS_FULL; 2332 } else { /* 14, 15 and undefined values */ 2333 battery_capacity = 0; 2334 battery_status = POWER_SUPPLY_STATUS_UNKNOWN; 2335 } 2336 } else { 2337 uint8_t battery_data = ds4_report->status[0] & DS4_STATUS0_BATTERY_CAPACITY; 2338 2339 if (battery_data < 10) 2340 battery_capacity = battery_data * 10 + 5; 2341 else /* 10 */ 2342 battery_capacity = 100; 2343 2344 battery_status = POWER_SUPPLY_STATUS_DISCHARGING; 2345 } 2346 2347 spin_lock_irqsave(&ps_dev->lock, flags); 2348 ps_dev->battery_capacity = battery_capacity; 2349 ps_dev->battery_status = battery_status; 2350 spin_unlock_irqrestore(&ps_dev->lock, flags); 2351 2352 return 0; 2353} 2354 2355static int dualshock4_dongle_parse_report(struct ps_device *ps_dev, struct hid_report *report, 2356 u8 *data, int size) 2357{ 2358 struct dualshock4 *ds4 = container_of(ps_dev, struct dualshock4, base); 2359 bool connected = false; 2360 2361 /* The dongle reports data using the main USB report (0x1) no matter whether a controller 2362 * is connected with mostly zeros. The report does contain dongle status, which we use to 2363 * determine if a controller is connected and if so we forward to the regular DualShock4 2364 * parsing code. 2365 */ 2366 if (data[0] == DS4_INPUT_REPORT_USB && size == DS4_INPUT_REPORT_USB_SIZE) { 2367 struct dualshock4_input_report_common *ds4_report = (struct dualshock4_input_report_common *)&data[1]; 2368 unsigned long flags; 2369 2370 connected = ds4_report->status[1] & DS4_STATUS1_DONGLE_STATE ? false : true; 2371 2372 if (ds4->dongle_state == DONGLE_DISCONNECTED && connected) { 2373 hid_info(ps_dev->hdev, "DualShock 4 USB dongle: controller connected\n"); 2374 2375 dualshock4_set_default_lightbar_colors(ds4); 2376 2377 spin_lock_irqsave(&ps_dev->lock, flags); 2378 ds4->dongle_state = DONGLE_CALIBRATING; 2379 spin_unlock_irqrestore(&ps_dev->lock, flags); 2380 2381 schedule_work(&ds4->dongle_hotplug_worker); 2382 2383 /* Don't process the report since we don't have 2384 * calibration data, but let hidraw have it anyway. 2385 */ 2386 return 0; 2387 } else if ((ds4->dongle_state == DONGLE_CONNECTED || 2388 ds4->dongle_state == DONGLE_DISABLED) && !connected) { 2389 hid_info(ps_dev->hdev, "DualShock 4 USB dongle: controller disconnected\n"); 2390 2391 spin_lock_irqsave(&ps_dev->lock, flags); 2392 ds4->dongle_state = DONGLE_DISCONNECTED; 2393 spin_unlock_irqrestore(&ps_dev->lock, flags); 2394 2395 /* Return 0, so hidraw can get the report. */ 2396 return 0; 2397 } else if (ds4->dongle_state == DONGLE_CALIBRATING || 2398 ds4->dongle_state == DONGLE_DISABLED || 2399 ds4->dongle_state == DONGLE_DISCONNECTED) { 2400 /* Return 0, so hidraw can get the report. */ 2401 return 0; 2402 } 2403 } 2404 2405 if (connected) 2406 return dualshock4_parse_report(ps_dev, report, data, size); 2407 2408 return 0; 2409} 2410 2411static int dualshock4_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) 2412{ 2413 struct hid_device *hdev = input_get_drvdata(dev); 2414 struct dualshock4 *ds4 = hid_get_drvdata(hdev); 2415 unsigned long flags; 2416 2417 if (effect->type != FF_RUMBLE) 2418 return 0; 2419 2420 spin_lock_irqsave(&ds4->base.lock, flags); 2421 ds4->update_rumble = true; 2422 ds4->motor_left = effect->u.rumble.strong_magnitude / 256; 2423 ds4->motor_right = effect->u.rumble.weak_magnitude / 256; 2424 spin_unlock_irqrestore(&ds4->base.lock, flags); 2425 2426 dualshock4_schedule_work(ds4); 2427 return 0; 2428} 2429 2430static void dualshock4_remove(struct ps_device *ps_dev) 2431{ 2432 struct dualshock4 *ds4 = container_of(ps_dev, struct dualshock4, base); 2433 unsigned long flags; 2434 2435 spin_lock_irqsave(&ds4->base.lock, flags); 2436 ds4->output_worker_initialized = false; 2437 spin_unlock_irqrestore(&ds4->base.lock, flags); 2438 2439 cancel_work_sync(&ds4->output_worker); 2440 2441 if (ps_dev->hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) 2442 cancel_work_sync(&ds4->dongle_hotplug_worker); 2443} 2444 2445static inline void dualshock4_schedule_work(struct dualshock4 *ds4) 2446{ 2447 unsigned long flags; 2448 2449 spin_lock_irqsave(&ds4->base.lock, flags); 2450 if (ds4->output_worker_initialized) 2451 schedule_work(&ds4->output_worker); 2452 spin_unlock_irqrestore(&ds4->base.lock, flags); 2453} 2454 2455static void dualshock4_set_bt_poll_interval(struct dualshock4 *ds4, uint8_t interval) 2456{ 2457 ds4->bt_poll_interval = interval; 2458 ds4->update_bt_poll_interval = true; 2459 dualshock4_schedule_work(ds4); 2460} 2461 2462/* Set default lightbar color based on player. */ 2463static void dualshock4_set_default_lightbar_colors(struct dualshock4 *ds4) 2464{ 2465 /* Use same player colors as PlayStation 4. 2466 * Array of colors is in RGB. 2467 */ 2468 static const int player_colors[4][3] = { 2469 { 0x00, 0x00, 0x40 }, /* Blue */ 2470 { 0x40, 0x00, 0x00 }, /* Red */ 2471 { 0x00, 0x40, 0x00 }, /* Green */ 2472 { 0x20, 0x00, 0x20 } /* Pink */ 2473 }; 2474 2475 uint8_t player_id = ds4->base.player_id % ARRAY_SIZE(player_colors); 2476 2477 ds4->lightbar_enabled = true; 2478 ds4->lightbar_red = player_colors[player_id][0]; 2479 ds4->lightbar_green = player_colors[player_id][1]; 2480 ds4->lightbar_blue = player_colors[player_id][2]; 2481 2482 ds4->update_lightbar = true; 2483 dualshock4_schedule_work(ds4); 2484} 2485 2486static struct ps_device *dualshock4_create(struct hid_device *hdev) 2487{ 2488 struct dualshock4 *ds4; 2489 struct ps_device *ps_dev; 2490 uint8_t max_output_report_size; 2491 int i, ret; 2492 2493 /* The DualShock4 has an RGB lightbar, which the original hid-sony driver 2494 * exposed as a set of 4 LEDs for the 3 color channels and a global control. 2495 * Ideally this should have used the multi-color LED class, which didn't exist 2496 * yet. In addition the driver used a naming scheme not compliant with the LED 2497 * naming spec by using "<mac_address>:<color>", which contained many colons. 2498 * We use a more compliant by using "<device_name>:<color>" name now. Ideally 2499 * would have been "<device_name>:<color>:indicator", but that would break 2500 * existing applications (e.g. Android). Nothing matches against MAC address. 2501 */ 2502 static const struct ps_led_info lightbar_leds_info[] = { 2503 { NULL, "red", 255, dualshock4_led_get_brightness, dualshock4_led_set_brightness }, 2504 { NULL, "green", 255, dualshock4_led_get_brightness, dualshock4_led_set_brightness }, 2505 { NULL, "blue", 255, dualshock4_led_get_brightness, dualshock4_led_set_brightness }, 2506 { NULL, "global", 1, dualshock4_led_get_brightness, dualshock4_led_set_brightness, 2507 dualshock4_led_set_blink }, 2508 }; 2509 2510 ds4 = devm_kzalloc(&hdev->dev, sizeof(*ds4), GFP_KERNEL); 2511 if (!ds4) 2512 return ERR_PTR(-ENOMEM); 2513 2514 /* 2515 * Patch version to allow userspace to distinguish between 2516 * hid-generic vs hid-playstation axis and button mapping. 2517 */ 2518 hdev->version |= HID_PLAYSTATION_VERSION_PATCH; 2519 2520 ps_dev = &ds4->base; 2521 ps_dev->hdev = hdev; 2522 spin_lock_init(&ps_dev->lock); 2523 ps_dev->battery_capacity = 100; /* initial value until parse_report. */ 2524 ps_dev->battery_status = POWER_SUPPLY_STATUS_UNKNOWN; 2525 ps_dev->parse_report = dualshock4_parse_report; 2526 ps_dev->remove = dualshock4_remove; 2527 INIT_WORK(&ds4->output_worker, dualshock4_output_worker); 2528 ds4->output_worker_initialized = true; 2529 hid_set_drvdata(hdev, ds4); 2530 2531 max_output_report_size = sizeof(struct dualshock4_output_report_bt); 2532 ds4->output_report_dmabuf = devm_kzalloc(&hdev->dev, max_output_report_size, GFP_KERNEL); 2533 if (!ds4->output_report_dmabuf) 2534 return ERR_PTR(-ENOMEM); 2535 2536 if (hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) { 2537 ds4->dongle_state = DONGLE_DISCONNECTED; 2538 INIT_WORK(&ds4->dongle_hotplug_worker, dualshock4_dongle_calibration_work); 2539 2540 /* Override parse report for dongle specific hotplug handling. */ 2541 ps_dev->parse_report = dualshock4_dongle_parse_report; 2542 } 2543 2544 ret = dualshock4_get_mac_address(ds4); 2545 if (ret) { 2546 hid_err(hdev, "Failed to get MAC address from DualShock4\n"); 2547 return ERR_PTR(ret); 2548 } 2549 snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds4->base.mac_address); 2550 2551 ret = dualshock4_get_firmware_info(ds4); 2552 if (ret) { 2553 hid_err(hdev, "Failed to get firmware info from DualShock4\n"); 2554 return ERR_PTR(ret); 2555 } 2556 2557 ret = ps_devices_list_add(ps_dev); 2558 if (ret) 2559 return ERR_PTR(ret); 2560 2561 ret = dualshock4_get_calibration_data(ds4); 2562 if (ret) { 2563 hid_err(hdev, "Failed to get calibration data from DualShock4\n"); 2564 goto err; 2565 } 2566 2567 ds4->gamepad = ps_gamepad_create(hdev, dualshock4_play_effect); 2568 if (IS_ERR(ds4->gamepad)) { 2569 ret = PTR_ERR(ds4->gamepad); 2570 goto err; 2571 } 2572 2573 /* Use gamepad input device name as primary device name for e.g. LEDs */ 2574 ps_dev->input_dev_name = dev_name(&ds4->gamepad->dev); 2575 2576 ds4->sensors = ps_sensors_create(hdev, DS4_ACC_RANGE, DS4_ACC_RES_PER_G, 2577 DS4_GYRO_RANGE, DS4_GYRO_RES_PER_DEG_S); 2578 if (IS_ERR(ds4->sensors)) { 2579 ret = PTR_ERR(ds4->sensors); 2580 goto err; 2581 } 2582 2583 ds4->touchpad = ps_touchpad_create(hdev, DS4_TOUCHPAD_WIDTH, DS4_TOUCHPAD_HEIGHT, 2); 2584 if (IS_ERR(ds4->touchpad)) { 2585 ret = PTR_ERR(ds4->touchpad); 2586 goto err; 2587 } 2588 2589 ret = ps_device_register_battery(ps_dev); 2590 if (ret) 2591 goto err; 2592 2593 for (i = 0; i < ARRAY_SIZE(lightbar_leds_info); i++) { 2594 const struct ps_led_info *led_info = &lightbar_leds_info[i]; 2595 2596 ret = ps_led_register(ps_dev, &ds4->lightbar_leds[i], led_info); 2597 if (ret < 0) 2598 goto err; 2599 } 2600 2601 dualshock4_set_bt_poll_interval(ds4, DS4_BT_DEFAULT_POLL_INTERVAL_MS); 2602 2603 ret = ps_device_set_player_id(ps_dev); 2604 if (ret) { 2605 hid_err(hdev, "Failed to assign player id for DualShock4: %d\n", ret); 2606 goto err; 2607 } 2608 2609 dualshock4_set_default_lightbar_colors(ds4); 2610 2611 /* 2612 * Reporting hardware and firmware is important as there are frequent updates, which 2613 * can change behavior. 2614 */ 2615 hid_info(hdev, "Registered DualShock4 controller hw_version=0x%08x fw_version=0x%08x\n", 2616 ds4->base.hw_version, ds4->base.fw_version); 2617 return &ds4->base; 2618 2619err: 2620 ps_devices_list_remove(ps_dev); 2621 return ERR_PTR(ret); 2622} 2623 2624static int ps_raw_event(struct hid_device *hdev, struct hid_report *report, 2625 u8 *data, int size) 2626{ 2627 struct ps_device *dev = hid_get_drvdata(hdev); 2628 2629 if (dev && dev->parse_report) 2630 return dev->parse_report(dev, report, data, size); 2631 2632 return 0; 2633} 2634 2635static int ps_probe(struct hid_device *hdev, const struct hid_device_id *id) 2636{ 2637 struct ps_device *dev; 2638 int ret; 2639 2640 ret = hid_parse(hdev); 2641 if (ret) { 2642 hid_err(hdev, "Parse failed\n"); 2643 return ret; 2644 } 2645 2646 ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); 2647 if (ret) { 2648 hid_err(hdev, "Failed to start HID device\n"); 2649 return ret; 2650 } 2651 2652 ret = hid_hw_open(hdev); 2653 if (ret) { 2654 hid_err(hdev, "Failed to open HID device\n"); 2655 goto err_stop; 2656 } 2657 2658 if (hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER || 2659 hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_2 || 2660 hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) { 2661 dev = dualshock4_create(hdev); 2662 if (IS_ERR(dev)) { 2663 hid_err(hdev, "Failed to create dualshock4.\n"); 2664 ret = PTR_ERR(dev); 2665 goto err_close; 2666 } 2667 } else if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER || 2668 hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) { 2669 dev = dualsense_create(hdev); 2670 if (IS_ERR(dev)) { 2671 hid_err(hdev, "Failed to create dualsense.\n"); 2672 ret = PTR_ERR(dev); 2673 goto err_close; 2674 } 2675 } 2676 2677 return ret; 2678 2679err_close: 2680 hid_hw_close(hdev); 2681err_stop: 2682 hid_hw_stop(hdev); 2683 return ret; 2684} 2685 2686static void ps_remove(struct hid_device *hdev) 2687{ 2688 struct ps_device *dev = hid_get_drvdata(hdev); 2689 2690 ps_devices_list_remove(dev); 2691 ps_device_release_player_id(dev); 2692 2693 if (dev->remove) 2694 dev->remove(dev); 2695 2696 hid_hw_close(hdev); 2697 hid_hw_stop(hdev); 2698} 2699 2700static const struct hid_device_id ps_devices[] = { 2701 /* Sony DualShock 4 controllers for PS4 */ 2702 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 2703 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) }, 2704 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) }, 2705 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) }, 2706 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) }, 2707 /* Sony DualSense controllers for PS5 */ 2708 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) }, 2709 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) }, 2710 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) }, 2711 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER_2) }, 2712 { } 2713}; 2714MODULE_DEVICE_TABLE(hid, ps_devices); 2715 2716static struct hid_driver ps_driver = { 2717 .name = "playstation", 2718 .id_table = ps_devices, 2719 .probe = ps_probe, 2720 .remove = ps_remove, 2721 .raw_event = ps_raw_event, 2722 .driver = { 2723 .dev_groups = ps_device_groups, 2724 }, 2725}; 2726 2727static int __init ps_init(void) 2728{ 2729 return hid_register_driver(&ps_driver); 2730} 2731 2732static void __exit ps_exit(void) 2733{ 2734 hid_unregister_driver(&ps_driver); 2735 ida_destroy(&ps_player_id_allocator); 2736} 2737 2738module_init(ps_init); 2739module_exit(ps_exit); 2740 2741MODULE_AUTHOR("Sony Interactive Entertainment"); 2742MODULE_DESCRIPTION("HID Driver for PlayStation peripherals."); 2743MODULE_LICENSE("GPL"); 2744